Housing Press Pin Mechanism for Seat Belt Retractor
Claims
- The shell pressing pin mechanism of the seat belt retractor is characterized in that: it comprises a base, a lower placing plate is arranged on the base, and a clamping slot is arranged on the lower placing plate, and a lower placing plate is arranged on the lower placing plate. A first lifting seat is arranged below the bottom plate, a pressure pin thimble is arranged on the first lifting seat, and the first lifting seat cooperates with the first lifting drive assembly for transmission. The first through hole passed through, a pressing plate is arranged above the lower placing plate, the pressing plate is connected with the piston rod of the second cylinder, the base is provided with positioning assemblies on both sides of the lower placing plate, and the positioning assemblies include A hinged frame, a swinging arm is hinged on the hinged frame, the swinging arm is hinged with one end of the transmission arm, the other end of the transmission arm is hinged with the positioning pin, the base is provided with a positioning block, and the positioning block is A second through hole is provided for the positioning plug to pass through, and the side wall of the lower placing plate is provided with an insertion hole for the positioning plug to be inserted.
- The housing pressing pin mechanism of the seat belt retractor according to claim 1 , wherein the first lifting drive assembly comprises a first air cylinder, and the cylinder body of the first air cylinder is arranged on the first mounting plate. , the first mounting plate is fixedly connected with the base, the piston rod of the first air cylinder is connected with a push head, and the push head can push the first lift base to rise.
- The housing pressing pin mechanism of the seat belt retractor according to claim 1 or 2, wherein the first lifting seat comprises a first connecting plate and a second connecting plate arranged up and down, the first and second A connecting column is pierced between the connecting plates, a first abutting block is installed at the bottom of the connecting column, the first abutting block is abutted against the bottom of the second connecting plate, and a fastening bolt is also included. The screw rod passes through the abdication hole on the lower placement plate and is screwed with the top of the connecting column, the lower placement plate is provided with an abutment step at the outer edge of the escape hole, and the head of the fastening bolt can be connected to the top of the connecting column. Abut against the steps described above.
Summary of instruction
The utility model discloses a housing pressing pin mechanism of a seat belt retractor. A lower placing plate is arranged on the base of the lower placing plate, a clip-release groove is arranged on the lower placing plate, a first lifting seat is arranged below the lower placing plate, and a second A lifting seat is provided with a pressing pin thimble, the first lifting seat cooperates with the first lifting driving assembly for transmission, the lower placing plate is provided with a first through hole through which the pressing pin thimble passes, and a pressing plate is arranged above the lower placing plate, The pressing plate is connected with the piston rod of the second cylinder, the base is provided with a hinge frame on both sides of the lower placing plate, the hinge frame is hinged with a swing arm, the swing arm is hinged with one end of the transmission arm, the other end of the transmission arm is hinged with the positioning pin, the base A positioning block is arranged on the upper part, a second through hole for the positioning pin to pass through is arranged on the positioning block, and an insertion hole for the positioning pin to be inserted is provided on the side wall of the lower placing plate. The utility model has the advantages of simple structure and reasonable design, can ensure the positioning components of the equipment, and can conveniently realize the automatic pin pressing operation of the retractor.
Manual
Housing press pin mechanism for seat belt retractor
Technical field
The utility model relates to a retractor processing equipment, in particular to a shell pressing pin mechanism of a safety belt retractor.
Background technique
Seat belt retractors are mainly used for retracting and locking seat belts. The retractor mainly includes a left casing and a right casing. A winding shaft is drivably arranged between the left and right casings, and a reset coil spring is connected to the winding shaft. During the production process of the retractor, it is necessary to The pins pass through the left and right housings to achieve their positioning and assembly. At present, the structure of the pressing pin mechanism on the market is generally complicated, and the precision of production and assembly is low, and the pressing pin may not be in place or even staggered, and the actual use effect is poor.
SUMMARY OF THE INVENTION
In view of the deficiencies of the background technology, the technical problem to be solved by the present utility model is to provide a safety belt retractor spring wrapping and pin pressing machine with simple structure and reasonable design, which can easily realize the automatic spring wrapping and pin pressing operation of the retractor. .
For this reason, the utility model adopts the following scheme to realize:
The shell pressing pin mechanism of the seat belt retractor is characterized in that: it comprises a base, a lower placing plate is arranged on the base, and a clamping slot is arranged on the lower placing plate, below the lower placing plate A first lifting seat is provided, a pressure pin thimble is arranged on the first lifting seat, the first lifting seat cooperates with the first lifting driving assembly for transmission, and the lower placing plate is provided with a pressure pin thimble passing through. The first through hole is provided with a pressing plate above the lower placing plate, the pressing plate is connected with the piston rod of the second cylinder, the base is provided with positioning assemblies on both sides of the lower placing plate, and the positioning assemblies include a hinge frame , a swing arm is hinged on the hinge frame, the swing arm is hinged with one end of the transmission arm, the other end of the transmission arm is hinged with a positioning pin, a positioning block is provided on the base, and a positioning block is provided on the positioning block A second through hole for the positioning plug to pass through, and the side wall of the lower placing plate is provided with an insertion hole for the positioning plug to be inserted.
The first lift drive assembly includes a first air cylinder, the cylinder body of the first air cylinder is arranged on a first installation plate, the first installation plate is fixedly connected with the base, and the piston rod of the first air cylinder is connected to the push head connected, the pushing head can push the first lifting base to rise.
The first lifting seat includes a first connecting plate and a second connecting plate arranged up and down, a connecting column is pierced between the first and second connecting plates, and a first abutting block is installed at the bottom of the connecting column. The first abutting block is abutted against the bottom of the second connecting plate, and also includes a fastening bolt, the screw rod of the fastening bolt passes through the abdication hole on the lower placing plate and is screwed with the top of the connecting column, and the lower placing plate An abutment step is provided at the outer edge of the escape hole, and the head of the fastening bolt can abut against the abutment step.
By adopting the above technical scheme, the utility model has the advantages of simple structure and reasonable design, which can realize large-scale production; can effectively realize the precise positioning and assembly of the pressing pin mechanism, and ensure the accuracy and stability of the pressing pin.
Description of drawings
The utility model has the following accompanying drawings:
Fig. 1 is the structural representation of the utility model;
Fig. 2 is a partial enlarged view of the point where A points in Fig. 1;
Fig. 3 is the view after removing the hinge seat in Fig. 1;
Fig. 4 is a partial enlarged view of the point where B points in Fig. 3;
Figure 5 is a view from the bottom perspective of Figure 1;
Fig. 6 is the structural diagram of the lower placing plate of the present invention;
FIG. 7 is a structural diagram of the first lift seat of the present invention.
Detailed ways
As shown in the figure, the housing depressing mechanism of the seat belt retractor disclosed by the present utility model includes a base 6, a lower placing plate 4 is arranged on the base 6, and a clamping slot 5 is arranged on the lower placing plate 4 for supplying One side of the outer casing is positioned and clamped, and a first lifting seat is arranged below the lower placing plate 4. The first lifting seat is provided with a pressing pin thimble 22. The first lifting seat cooperates with the first lifting drive assembly for transmission. Specifically , the first lifting seat includes a first connecting plate 20 and a second connecting plate 17 arranged up and down, a connecting column 21 is penetrated between the first and second connecting plates, and a first abutting block 19 is installed at the bottom of the connecting column 21, The first abutting block 19 abuts against the bottom of the second connecting plate 17, and also includes a tightening bolt 23. The screw rod of the tightening bolt 23 passes through the abdication hole 16 on the lower placing plate 4 and is screwed with the top of the connecting column 21, The lower placing plate 4 is provided with an abutment step 15 at the outer edge of the escape hole 16 , and the head of the fastening bolt 23 can abut against the abutment step 15 . The first lift drive assembly includes a first cylinder 8, the cylinder body of the first cylinder 8 is arranged on the first mounting plate 7, the first mounting plate 7 is fixedly connected with the base 6, and the piston rod of the first cylinder 8 is connected with the push head 18 , the pushing head 18 can push the first lifting seat to rise. The lower placing plate 4 is provided with a first through hole 14 for the pressing pin thimble 22 to pass through, a pressing plate 3 is arranged above the lower placing plate 4, the pressing plate 3 is connected with the piston rod of the second air cylinder 1, and the base 6 is on the lower placing plate. There are positioning assemblies on both sides, the positioning assemblies include a hinge frame 9, a swing arm 10 is hinged on the hinge frame 9, the swing arm 10 is hinged with one end of the transmission arm 12, the other end of the transmission arm 12 is hinged with the positioning pin 13, and the base 6 is hinged. A positioning block 11 is provided, the positioning block 11 is provided with a second through hole through which the positioning plug 13 passes, and the side wall of the lower placing plate 4 is provided with an insertion hole 24 for the positioning plug 13 to be inserted. By setting the positioning blocks 11 on the left and right, the left and right of the lower placing plate 4 are positioned, and at the same time, by pulling the swing arm 10, the positioning pins 13 are inserted into the insertion holes 24 on the lower placing plate 4, and the front and rear of the lower placing plate 4 are adjusted. The positioning realizes the precise positioning and installation of the lower placing plate, thereby ensuring the stability of the pressing pin operation.
The working principle of the utility model is as follows: the rewinding shaft of the retractor has been rotatably connected to the left and right casings, and then the right casing is positioned and mounted on the lower placing plate 4, and the right casing has been pierced at this time. There is a pin, and at the same time, the second cylinder 1 drives the pressure plate 3 to descend, and the retractor is pressed between the pressure plate 3 and the lower placing plate 4, and then the second cylinder 8 drives the first lifting seat to rise, so that the pin thimble 22 rises and will The pin on the right casing is pushed into the left casing to realize interference insertion, and when the second cylinder 8 drives the first lifting seat to lower and return, the push head 18 is separated from the first lifting seat, and the bolts are fastened. The head of 23 is in contact with the abutting step 15 on the lower placing plate 4 to prevent the first lifting seat from continuing to descend, to ensure that the pin thimble can be partially inserted into the first through hole 14 on the lower placing plate 4 to ensure the next time The positioning pin operation.
The safety belt retractor wrapping pin pressing machine of the utility model has the advantages of simple structure and reasonable design, which can realize large-scale production; can effectively realize the precise positioning and assembly of the pressing pin mechanism, and ensure the precision and stability of the pressing pin.
