Trimming device for piston ball of safety belt retractor

Abstract

The utility model discloses a safety belt retractor piston ball trimming device which comprises a machine body, a vibration disc, a material guide rail and a trimming box which are sequentially connected are arranged on the machine body, a limiting clamp is arranged on the side of the trimming box in a penetrating mode, and an attaching cutter is arranged on the side, adjacent to the limiting clamp, of the trimming box in a penetrating mode. The trimming device is used for trimming the piston ball; a material collecting assembly is arranged at the bottom of the edge removing box and comprises a material collecting hopper connected with the edge removing box in a penetrating mode, a collecting box is arranged on the horizontal side of the material collecting hopper and used for regular discharging of piston balls, a positioning seat is arranged on the side, close to the cleaning groove, in the edge removing box, and the positioning seat and a limiting clamp are oppositely distributed; and a correlation sensor is arranged on the positioning seat and is used for in-place detection of the piston ball. According to the trimming device for the piston ball of the safety belt retractor, automatic feeding and discharging and trimming can be achieved, the production efficiency is improved, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a retractor processing equipment, especially a safety belt retractor piston ball flash cutting device. BACKGROUND

[0002] The retractor is an emergency locking retractor (ELR), which is the core component of the automobile safety belt, and realizes functions including spring recovery, vehicle inclination sensing, vehicle sudden acceleration and deceleration sensing, and belt acceleration sensing. A set of spiral springs are arranged on one side of the retractor for connecting the rotating shaft to retract and release the safety belt, and a piston ball mechanism is arranged at the other end of the retractor. When the automobile encounters sudden braking or suffers a violent impact, the piston ball is guided to move forward by the inertia of the automobile. When the piston ball fails to block the upper teeth, the engagement will automatically lift up to lock the safety belt. During the production and processing of the retractor, the quality of the piston ball is particularly important.

[0003] At present, the piston ball of the safety belt retractor needs to be fed to the processing table one by one after vulcanization by using a vibrating disc, and the piston ball is ground by manual single operation. The labor cost is high, the quality of the piston ball processed by manual operation is difficult to control, and it is difficult to ensure the processing quality of the piston ball by using only the control of hand feeling. Therefore, it is difficult to improve the production efficiency and reduce the production cost. Based on the above reasons, it is necessary to design a piston ball flash cutting device which can automatically feed and discharge and improve the production efficiency and reduce the production cost. SUMMARY

[0004] In view of the above problems existing in the prior art, the utility model aims at providing a safety belt retractor piston ball flash cutting device, which can automatically feed and discharge and improve the production efficiency and reduce the production cost.

[0005] To achieve the above purpose, the utility model technical scheme is as follows:

[0006] A safety belt retractor piston ball flash cutting device, comprising a machine body, a vibrating disc, a guide rail and a flash cutting box are sequentially connected on the machine body, a limiting clamp is arranged through the side of the flash cutting box, a matching cutter is arranged through the side adjacent to the limiting clamp on the flash cutting box for edge removal of the piston ball;

[0007] A material collecting assembly is arranged at the bottom of the flash cutting box, the material collecting assembly comprises a material collecting hopper which is connected with the flash cutting box, a collecting box is arranged at the horizontal side of the material collecting hopper for regular discharge of the piston ball.

[0008] Preferably, the edge removal box is provided with a moving groove matched with the movement of the limiting clip and a cleaning groove for facilitating the penetration of the fitting knife.

[0009] Preferably, the edge removal box is provided with a positioning seat on the side close to the cleaning groove, the positioning seat is oppositely distributed with the limiting clip, and the positioning seat is provided with a pair of sensors for detecting the position of the piston ball.

[0010] Preferably, the limiting clip comprises a moving seat provided on the machine body, the moving seat comprises left and right guide rails and front and rear guide rails, the top of the moving seat is provided with a rotating unit, and the driving end of the rotating unit is provided with an insertion clip.

[0011] Preferably, the fitting knife comprises left and right adjusting plates connected with the machine body, the top of the left and right adjusting plates is provided with an up and down adjusting seat, the top of the up and down adjusting seat is rotatably provided with an angle adjusting seat, and the top of the angle adjusting seat is provided with a knife blade penetrating the edge removal box.

[0012] Preferably, a guide end is provided between the material collecting hopper and the collecting box, a guide plate is rotatably provided on the side of the material collecting hopper away from the limiting clip, the guide plate is elastically arranged on the material collecting hopper, and a dustproof sheet is arranged between the material collecting hopper and the guide end and is fitted with the guide plate.

[0013] Preferably, the guide plate is obliquely arranged in the material collecting hopper, and a plurality of oblique elastic members and vertical elastic members are arranged between the guide plate and the material collecting hopper.

[0014] Compared with the prior art, the safety belt retractor piston ball flash removal device can automatically feed and remove flash, improve production efficiency, and reduce production cost. The vibration disc, the guide rail, and the edge removal box are throughly arranged, the limiting clip is used to move the movable plug in the guide rail to the positioning seat, the pair of sensors are used to determine the position of the piston ball, the fitting knife is used to fit the piston ball, the rotating unit is used to rotate the piston ball, the outer surface of the piston ball can be automatically deburred, the insertion clip is reset by the moving seat, the processed piston ball is fed to the material collecting assembly through the edge removal box, the automatic deburring of the piston ball is completed, the piston ball with the same quality is produced, the labor cost is reduced, and the processing efficiency is improved.

[0015] Moreover, the guide plate and the dustproof sheet rotatably arranged in the material collecting assembly can uniformly and regularly collect the processed piston ball into the collecting box, the waste material cleaned from the piston ball can be isolated, the cleanliness of the device is improved, the operation steps are reduced, and the production efficiency is improved.

[0016] It should be understood that the general description and the details herein are only exemplary and illustrative, rather than for limiting the disclosure.

[0017] This application provides various implementations or exemplary summaries of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the safety belt retractor piston ball cutting flash device of the utility model;

[0019] Figure 2 It is a structure schematic view of the guide rail, limiting clamp, edge removing box and fitting knife in the safety belt retractor piston ball cutting flash device of the utility model;

[0020] Figure 3 It is a structure schematic view of the limiting clamp and edge removing box in the safety belt retractor piston ball cutting flash device of the utility model;

[0021] Figure 4 It is a structure schematic view of the fitting knife in the safety belt retractor piston ball cutting flash device of the utility model;

[0022] Figure 5 It is an explosion view of the material collecting assembly in the safety belt retractor piston ball cutting flash device of the utility model;

[0023] Figure 6 It is a local structure schematic view of the material collecting hopper and guide plate in the safety belt retractor piston ball cutting flash device of the utility model.

[0024] Main reference signs:

[0025] 1, machine body; 11, vibration disc; 12, guide rail; 2, edge removing box; 21, moving groove; 22, cleaning groove; 23, positioning seat; 24, opposite emission sensor; 3, limiting clamp; 31, moving seat; 32, rotating unit; 33, insertion clamp; 4, fitting knife; 41, left and right adjusting plate; 42, up and down adjusting seat; 43, angle adjusting seat; 44, blade; 5, material collecting assembly; 51, material collecting hopper; 511, guide end; 512, guide plate; 513, oblique elastic member; 514, vertical elastic member; 515, dustproof sheet; 52, collecting box. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present disclosure clearer, the embodiments of the present disclosure are described in more detail below with reference to the drawings. Note that the described embodiments are part of the embodiments of the present disclosure, not all embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present disclosure.

[0027] As shown in the accompanying Figure 1 to the accompanying Figure 6 The embodiment of the utility model provides a safety belt retractor piston ball flash cutting device for the automatic edge removal of the outside of the piston ball, which can automatically feed and discharge, reduce labor cost and improve production efficiency. In the production of the piston ball, the vibration disc 11 is used to feed the piston ball in sequence, the vibration disc 11 is sequentially connected with the material guide rail 12 and the edge removal box 2, the piston ball fed in sequence is conveniently and uniformly transmitted to the edge removal box 2 by using the material guide rail 12, the automatic edge removal of the piston ball is realized by using the limiting clamp 3 and the matching knife 4, the processed piston ball is regularly collected through the material collecting assembly 5 provided at the lower end of the edge removal box 2, the discharging and loading work of the piston ball is reduced, the labor cost is reduced, and the production efficiency is improved. The edge removal device is provided with the limiting clamp 3 on the side of the edge removal box 2, the limiting clamp 3 penetrates the edge removal box 2, the matching knife 4 is provided on the side adjacent to the limiting clamp 3 of the edge removal box 2, the flash on the outside of the piston ball can be removed; and the limiting clamp 3 is a limiting structure of the piston ball, when in use, the limiting clamp 3 is moved to the discharging end of the material guide rail 12, the piston ball is inserted by pushing the piston ball through the limiting end of the limiting clamp 3, the piston ball is matched with the knife edge of the matching knife 4 by moving the limiting clamp 3 to the matching knife 4, the rotation of the piston ball is driven by the limiting clamp 3, and the edge removal work is performed on the outer surface of the piston ball.

[0028] Then the material collecting assembly 5 is provided at the bottom of the edge removal box 2, the material collecting assembly 5 includes the material collecting hopper 51 which is connected with the edge removal box 2, the collecting box 52 is provided on the horizontal side of the material collecting hopper 51, the processed piston ball is collected by the reset of the limiting clamp 3, the piston is ejected by using the limiting of the edge removal box 2, the piston ball is regularly discharged by using the material collecting assembly 5, and the rapid output of the piston ball is facilitated.

[0029] Among them, it is worth mentioning that, as Figure 2 and 3 As shown, the edge removal box 2 is provided with the moving groove 21 for the movement of the limiting clamp 3, the cleaning groove 22 for the penetration of the matching knife 4 is provided on the edge removal box 2, and the cleaning groove 22 is provided opposite to the material guide rail 12, which provides favorable conditions for the smooth edge removal of the piston ball.

[0030] In order to make the removed piston ball more accurately cooperate with the matching cutter 4 by the limiting clip 3, a positioning seat 23 can be arranged on one side of the edge removal box 2 close to the cleaning groove 22, and the positioning seat 23 is distributed opposite to the limiting clip 3, and a reflection sensor 24 is arranged on the positioning seat 23. The alignment state detection of the existing photoelectric sensing device is applied, the transmitter is installed on the positioning seat 23, and the receiver is installed on the limiting clip 3. When the reflection signal of the transmitter is received by the receiver, it indicates that the position of the piston ball is standard. The reflection sensor 24 can indicate the in-place state of the piston ball, realize the in-place state detection of the piston ball, and provide favorable conditions for the driving of the rotating unit 32 and the matching of the matching cutter 4 and the piston ball.

[0031] In some embodiments, the position of the piston ball can be moved using a limiting structure with a rotating function, and conditions are provided for the flash cleaning of the surface of the piston ball, such as Figure 3 As shown, it is worth mentioning that the bottom of the limiting clip 3 can be arranged with a moving seat 31 between the machine body 1. By applying the existing linear driving technology of the machine body 1 to the object, linear driving structures such as linear guide rails and ball screws can be used to provide kinetic energy for the position movement of the moving seat 31 in front and back and left and right. The moving seat 31 and the machine body 1 can use left and right guide rails and front and back guide rails as driving structures. Through the driving of the left and right guide rails, the limiting clip 3 is used to move the piston ball in the guide rail 12 to the matching cutter 4, realizing the feeding of the piston ball. Through the driving of the front and back guide rails, the clamping end of the limiting clip 3 is inserted into the piston ball or through the discharging of the edge removal box 2. Then, the rotating unit 32 is arranged on the top of the moving seat 31, the insertion clip 33 is arranged on the driving end of the rotating unit 32, when the piston ball is edge-removed, the insertion clip 33 is distributed opposite to the positioning seat 23, the piston ball is located between the positioning seat 23 and the insertion clip 33, and the rotating unit 32 can use a motor as a driving structure. By applying the existing rotating driving technology of the motor, the insertion clip 33 and the piston ball can be rotated, and the matching cutter 4 can clean the circumferential side of the piston ball.

[0032] In some embodiments, in order to use the device to remove the flash of various specifications of piston balls, as shown in Figure 4 As shown, the adjustable structure of the matching cutter 4 can be increased, the left and right adjusting plates 41 connected with the machine body 1 are arranged at the bottom of the matching cutter 4, the up and down adjusting seats 42 are arranged at the top of the left and right adjusting plates 41, the angle adjusting seat 43 is rotatably arranged at the top of the up and down adjusting seats 42, and the blade 44 penetrating the edge removal box 2 is arranged at the top of the angle adjusting seat 43. Among them, the left and right adjusting plates, the up and down adjusting seats 42 and the angle adjusting seat 43 can be connected or screwed by penetrating the bolt and the nut, realizing the adjustment of the left and right, up and down and angle of the blade 44, providing convenience for the edge removal of the piston ball, and in the process of removing the flash, the device can use the dust collector to suck out the cleaned debris and dust.

[0033] In some embodiments, the material collecting assembly 5 can be set as a one-way sealed structure, a material guiding end 511 is arranged through the material collecting hopper 51 and the collecting box 52, as a piston ball conveying end, buffering the piston ball discharging inertia, then a material guiding plate 512 is arranged on the side of the material collecting hopper 51 away from the limiting clamp 3, before the material collecting, the abutting end of the material guiding plate 512 and the material collecting hopper 51 is upwardly inclined, avoiding the debris remaining on the material guiding plate 512, and the material guiding plate 512 is elastically arranged on the material collecting hopper 51, when the piston ball discharges, the material guiding plate 512 can be pressed to open the material collecting hopper 51, realizing the transfer of the piston ball, in order to reduce the neatness of the collected material, a dustproof sheet 515 abutting with the material guiding plate 512 can be arranged between the material collecting hopper 51 and the material guiding end 511, reducing the impurities falling in, the cooperation of the vibration disc 11, the material guiding rail 12, the edge removing box 2, the limiting clamp 3, the abutting knife 4 and the material collecting assembly constructs a product system of automatic clamping, conveying, positioning, grinding and discharging.

[0034] It is worth noting that, as shown in Figure 6 the material guiding plate 512 is inclinedly arranged in the material collecting hopper 51, the low end of the material guiding plate 512 is outwardly arranged, then a plurality of inclined elastic members 513 and vertical elastic members 514 are arranged between the material guiding plate 512 and the material collecting hopper 51, by the cooperation of the spring, rubber pad and damping pad arranged between the inclined elastic members 513 and the vertical elastic members 514, the elastic characteristics of the material guiding plate 512 can be increased, providing favorable conditions for the continuous material guiding of the material guiding plate 512, the processed piston ball is removed from the insertion clamp 33 by the limiting of the edge removing box 2 and the retraction of the limiting clamp 3, and falls on the material guiding plate 512 by gravity, through the compression and reset of the inclined elastic members 513 and the vertical elastic members 514, the piston ball can pass through the material guiding plate 512 and the dustproof sheet 515 to enter the material guiding end 511, and roll into the collecting box 52 according to the sequence to be collected, completing the discharging work of the piston ball in order, realizing the automatic discharging and collecting of the piston ball, and improving the processing efficiency of the device.

[0035] Of course, the above is the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, which are also considered within the scope of protection of the present application.

Claims

1. A seatbelt retractor piston ball trimming device, comprising a body (1), characterized in that: The machine body (1) is provided with a vibratory plate (11), a guide rail (12) and a de-edge box (2) connected in sequence. A limit clamp (3) is provided through the side of the de-edge box (2). A bonding knife (4) is provided through the side of the de-edge box (2) adjacent to the limit clamp (3) for de-edge treatment of piston balls. The bottom of the edge removal box (2) is provided with a material receiving component (5), which includes a material receiving hopper (51) that is connected through the edge removal box (2). A collection box (52) is provided on the horizontal side of the material receiving hopper (51) for the orderly feeding of piston balls.

2. The seatbelt retractor piston ball flash trimming device as described in claim 1, characterized in that, The edge removal box (2) is provided with a moving groove (21) that moves in conjunction with the limiting clamp (3) and a cleaning groove (22) that facilitates the penetration of the bonding knife (4). The cleaning groove (22) is arranged opposite to the guide rail (12).

3. The seatbelt retractor piston ball flash trimming device as described in claim 2, characterized in that, A positioning seat (23) is provided on the side of the edge removal box (2) near the cleaning groove (22). The positioning seat (23) is distributed opposite to the limiting clamp (3). A through-beam sensor (24) is provided on the positioning seat (23) for detecting the position of the piston ball.

4. The seatbelt retractor piston ball flash trimming device as described in claim 1, characterized in that, The limiting clamp (3) includes a movable seat (31) disposed on the body (1). The movable seat (31) includes left and right guide rails and front and rear guide rails. A rotating unit (32) is disposed on the top of the movable seat (31). An insertion clamp (33) is disposed on the driving end of the rotating unit (32).

5. The seatbelt retractor piston ball flash trimming device as described in claim 1, characterized in that, The bonding knife (4) includes a left and right adjustment plate (41) connected to the machine body (1). The top of the left and right adjustment plate (41) is provided with an up and down adjustment seat (42). The top of the up and down adjustment seat (42) is rotatably provided with an angle adjustment seat (43). The top of the angle adjustment seat (43) is provided with a blade (44) that penetrates the edge removal box (2).

6. The seatbelt retractor piston ball flash trimming device as described in claim 1, characterized in that, A guide end (511) is provided through between the receiving hopper (51) and the collecting box (52). A guide plate (512) is rotatably provided on the side of the receiving hopper (51) away from the limiting clamp (3), and the guide plate (512) is elastically provided on the receiving hopper (51). A dustproof sheet (515) that fits against the guide plate (512) is provided between the receiving hopper (51) and the guide end (511).

7. The seatbelt retractor piston ball flash trimming device as described in claim 6, characterized in that, The guide plate (512) is inclinedly arranged in the receiving hopper (51), and a plurality of inclined elastic elements (513) and vertical elastic elements (514) are provided between the guide plate (512) and the receiving hopper (51).

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