CN220783817U

CN220783817U - Assembling device for lifting torsion spring of automobile seat

Info

Publication number: CN220783817U
Application number: CN202322664672.XU
Authority: CN
Inventors: 黄道祝; 郑双鹏; 管锦能; 苏晴晴
Original assignee: Jujin Automotive Parts Group Co ltd
Current assignee: Jujin Automotive Parts Group Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-04-16
Anticipated expiration: 2033-09-28

Abstract

The utility model provides an assembly device of a lifting torsion spring of an automobile seat, and belongs to the technical field of automobile assembly tools. The technical problem that the existing seat torsion spring assembling device cannot safely realize lifting torsion spring assembling is solved. The assembling device of the lifting torsion spring of the automobile seat comprises a workbench, wherein a clamp used for positioning a backrest framework is arranged on the workbench, a clamping seat which is arranged on one side of the clamp and can actively approach and depart from the clamp is arranged on the workbench, a columnar chuck which can rotate around the axis of the clamp is arranged on the clamping seat, the setting direction of the chuck is consistent with the moving direction of the clamping seat, a clamping groove used for clamping the end part of the torsion spring is formed in one end of the chuck, which is close to the clamp, and the clamping groove can be opposite to the rear driving tube on the backrest framework in the axial direction along the setting direction of the chuck. The assembly device of the automobile seat lifting torsion spring can safely and efficiently realize the assembly of the automobile seat lifting torsion spring.

Description

Assembling device for lifting torsion spring of automobile seat

Technical Field

The utility model belongs to the technical field of automobile assembly tools, and relates to an assembly device of an automobile seat lifting torsion spring.

Background

The automobile seat belongs to an important part of automobile interior trim, has great influence on driving comfort, the backrest of the existing automobile seat is adjustable, the backrest is adjusted conveniently, the adjustment of the backrest is realized by matching with the resetting action of the backrest, and the torsion spring is used as a part with a simplified structure and is often used as a resetting driving part to be applied to the automobile seat. The torsion spring is installed to enable torque to be applied, so that the risk of bouncing and flying exists, the operation is laborious, and the potential safety hazard exists.

The patent with the authorized bulletin number of CN208084278U discloses a torsion spring assembly mechanism, which comprises a base plate, wherein a clamping mechanism, a pressing mechanism and a pushing rotating mechanism are arranged on the base plate, the clamping mechanism comprises a first clamping mechanism and a second clamping mechanism which are symmetrically arranged at two sides of the lower end of a backrest framework, and a third clamping mechanism which is arranged in the middle of the upper end of the backrest framework, and the first clamping mechanism, the second clamping mechanism and the third clamping mechanism are mutually matched to limit and fix the backrest framework on the base plate.

The above-mentioned device can realize the equipment of specific torsional spring and back skeleton, but as shown in fig. 1, the joint design of present lift torsional spring utilizes back drive pipe department to flatten on the back skeleton to handle, makes torsional spring one end simple bending insert back drive intraductal and card into and flatten the inner chamber, and the other end simple bending is in the torsion in advance of application of force back with the spacing joint of seat skeleton, makes torsional spring built-in and whole bending structure more retrench reliably. The assembly of such torsion springs has not been adapted to the assembly device, and still makes the assembly by means of manual work inefficient and unsafe.

Disclosure of Invention

The utility model aims at the problems existing in the prior art, and provides an assembly device of a lifting torsion spring of an automobile seat, which aims at solving the technical problems that: and the assembly efficiency and the safety of the lifting torsion spring of the seat body are improved.

The aim of the utility model can be achieved by the following technical scheme:

The utility model provides an assembly device of car seat lift torsional spring, includes the workstation, be equipped with the anchor clamps that are used for fixing a position the back skeleton on the workstation, its characterized in that, still be equipped with on the workstation arrange in one side of anchor clamps and can initiatively be close to and keep away from towards this anchor clamps grip slipper, be equipped with on the grip slipper and be columnar and can wind self axial lead autorotation chuck, the setting direction of chuck is unanimous with the direction of motion of grip slipper, and this chuck is close to the one end of anchor clamps has the draw-in groove that is used for centre gripping torsional spring tip, the setting direction of draw-in groove along the chuck can be relative with back drive tube axial on the back skeleton.

The clamp can position and clamp the backrest skeleton of the seat to enable the backrest skeleton to be stable in position and state in the assembly process, the clamping seat capable of reciprocating towards the clamp position is arranged on the workbench on one side of the clamp, the clamp head which is columnar and capable of rotating is rotationally connected on the clamping seat, the clamp head faces the clamp along the arrangement direction, a clamping groove used for positioning and clamping the end part of the torsion spring to be assembled can be opposite to a rear driving tube axially of the clamp for clamping the backrest skeleton on the clamp, one end of the torsion spring can be positioned in the clamping groove of the end part of the clamp head in advance in the assembly process, the clamp head is used for positioning and clamping the backrest skeleton, the clamping seat is controlled to move towards one side of the backrest skeleton, the other end of the torsion spring is driven to be aligned and inserted into the rear driving tube, the flat section of the torsion spring can be positioned and the torsion spring end of the torsion spring is twisted and pre-tensioned relatively to achieve final assembly by controlling the clamp head to enable operators to be assembled automatically in the whole process, and the assembly efficiency of lifting torsion spring and safety are improved.

In the assembly device of the automobile seat lifting torsion spring, the clamp comprises a supporting column, a movable pressing arm and a driving cylinder, the supporting column protrudes out of the surface of the workbench, the output end of the driving cylinder is connected with the movable pressing arm and can drive the movable pressing arm to approach or separate from the supporting column, and the driving cylinder is controlled by the same electromagnetic valve. The support column can be used for positioning the backrest framework, the sliding pressing arm can be controlled by the driving air cylinder to move towards the support column to compress the backrest framework to achieve clamping, the structure is simplified and reliable, the driving air cylinder is controlled by the same electromagnetic valve to ensure the synchronous clamping effect of the movable pressing arm, and the movable pressing arm is more efficient.

In the assembly device of the automobile seat lifting torsion spring, at least two support columns are used for clamping the rear driving tube, the top surfaces of the support columns are respectively provided with a positioning notch which is transversely penetrated and used for positioning the rear driving tube, and the positioning notches are opposite to the clamping grooves in the penetrating direction. The positioning notch is matched with a plurality of support columns to ensure that the support positioning state of the rear driving tube is more stable, and the torsion spring can be smoothly and accurately inserted into the rear driving tube to realize assembly.

In the assembly device of the lifting torsion spring of the automobile seat, the movable pressing arm is connected with an elastic pressing pad, and the elastic pressing pad can be pressed on the surface of the rear driving tube when the movable pressing arm approaches to the supporting column. The movable press arm has a certain elastic space in the clamping stroke, so that stable clamping effects can be generated for positions of different radial sizes outside the rear drive pipe, debugging-free clamping for the rear drive pipe of different types is facilitated, and the adaptability is better.

In the assembly device of the automobile seat lifting torsion spring, the workbench is provided with the translation servo motor and the horizontally arranged slide rail, the clamping seat is slidably connected to the slide rail, the bottom of the clamping seat is in transmission connection with the translation servo motor through the screw rod transmission mechanism, and the clamping seat is fixedly provided with the rotary servo motor with the output end coaxially connected with the clamping head. The screw rod transmission mechanism is an existing transmission device, can convert rotary torque into linear movement acting force, is favorable for realizing accurate control of the movement stroke of the clamping seat along the workbench, and the rotary servo motor is favorable for accurately controlling the torsion angle of the torsion spring, so that smooth assembly is ensured.

In the assembly device of the automobile seat lifting torsion spring, the workbench is further provided with a roller which is transversely suspended and can be inserted into the rear driving tube, and the roller and the clamping seat are respectively arranged on two transverse sides of the clamp. Therefore, when the clamp clamps, one end of the rear driving tube far away from the clamping head is matched with the rolling shaft, the backrest framework can be positioned in advance, the possibility of forced swing of the rear driving tube in the assembling process is avoided more effectively, and smooth assembling is ensured.

Compared with the prior art, the utility model has the following advantages:

This assembly device of car seat lift torsional spring can be with torsional spring one end advance location to the clamp inslot of chuck tip in the assembly process, make anchor clamps with back skeleton location centre gripping simultaneously, the motion of back skeleton one side is moved towards to the control grip slipper again, and then drive the other end of torsional spring and aim at inserting back actuating tube in, can make the torsional spring other end and the flat section location of back actuating tube and make torsional spring one end torsion pretension and realize final assembly through controlling the chuck rotation during, whole process operating personnel only need place torsional spring and back skeleton can assemble by oneself, improve the packaging efficiency of lift torsional spring and ensure the security.

Drawings

FIG. 1 is a schematic perspective view of a torsion spring with an assembly and a completed back frame.

Fig. 2 is a schematic perspective view of the present embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a front partial sectional view of the present embodiment.

In the figure, 1, a workbench; 11. a slide rail; 12. a screw rod transmission mechanism;

2. A clamp; 21. a support column; 211. positioning the notch; 22. a movable pressure arm; 23. a driving cylinder; 24. an elastic pressing pad;

3. A clamping seat;

4. a chuck; 41. a clamping groove;

5. a translation servo motor; 6. rotating the servo motor; 7. a roller;

8. A back rest frame; 81. a rear drive tube; 9. and (3) a torsion spring.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 2-4, the assembly device of the lifting torsion spring of the automobile seat comprises a workbench 1, wherein a clamp 2 for positioning a backrest framework 8 is arranged on the workbench 1, a clamping seat 3 which is arranged on one side of the clamp 2 and can actively approach and depart from the clamp 2 is also arranged on the workbench 1, a columnar chuck 4 which can rotate around the axis of the clamp is arranged on the clamping seat 3, the arrangement direction of the chuck 4 is consistent with the movement direction of the clamping seat 3, one end of the chuck 4, which is close to the clamp 2, is provided with a clamping groove 41 for clamping the end part of the torsion spring 9, and the clamping groove 41 can be axially opposite to a rear driving tube 81 on the backrest framework 8 along the arrangement direction of the chuck 4. The clamp 2 can position and clamp the backrest framework 8 of the seat to enable the backrest framework 8 to be stable in position and state in the assembly process, the clamping seat 3 capable of reciprocating towards the clamp 2 is arranged on the workbench 1 on one side of the clamp 2, the columnar chuck 4 capable of rotating is rotationally connected to the clamping seat 3, the chuck 4 faces the clamp 2 along the arrangement direction, the clamping groove 41 for positioning and clamping the end part of the torsion spring 9 to be assembled can be axially opposite to the rear driving tube 81 for clamping the backrest framework 8 on the clamp 2, one end of the torsion spring 9 can be positioned in the clamping groove 41 of the end part of the chuck 4 in the assembly process, the clamp 2 is used for positioning and clamping the backrest framework 8, the clamping seat 3 is controlled to move towards one side of the backrest framework 8, the other end of the torsion spring 9 is driven to be aligned and inserted into the rear driving tube 81, during the process, the flat section of the other end of the torsion spring 9 and the other end of the torsion spring 9 are enabled to be twisted and pre-tightened relatively, and final assembly is achieved, and an operator can assemble the torsion spring 9 and the backrest framework 8 can be assembled automatically only by placing the torsion spring 9 and the torsion spring 8 in the whole process, so that the assembly efficiency of lifting 9 is improved and the safety is guaranteed. Further, the fixture 2 comprises three groups of support columns 21, movable press arms 22 and driving cylinders 23 which are arranged in a triangular shape, the support columns 21 protrude out of the surface of the workbench 1, the output ends of the driving cylinders 23 are connected with the movable press arms 22 and can drive the movable press arms 22 to approach or separate from the support columns 21, and the driving cylinders 23 are controlled by the same electromagnetic valve (not shown). The electromagnetic valve is an existing component for controlling the on-off of the air path of each driving cylinder 23, and the circuit for specifically controlling the electromagnetic valve is the prior art; like this the support column 21 can be used to with back skeleton 8 location, and the slip arm is controlled by drive cylinder 23 and can compress tightly back skeleton 8 to realize the centre gripping towards support column 21 activity, and the structure is retrencied reliably, and drive cylinder 23 can ensure the synchronous centre gripping effect of activity arm 22 by same solenoid valve control, and is more efficient. The support columns 21 for clamping the rear drive tube 81 are arranged in parallel, and the top surfaces of the support columns 21 are provided with positioning notches 211 which transversely penetrate through for positioning the rear drive tube 81, and the positioning notches 211 are opposite to the clamping grooves 41 in the penetrating direction. Thus, the positioning notch 211 is matched with the support columns 21 to ensure that the support and positioning states of the rear driving tube 81 are more stable, and the torsion spring 9 can be smoothly and accurately inserted into the rear driving tube 81 to realize assembly. The two movable pressure arms 22 are connected with an elastic pressure pad 24, and when the movable pressure arms 22 approach the support column 21, the elastic pressure pad 24 can be pressed on the surface of the rear driving tube 81. The movable press arm 22 has a certain elastic space in the clamping stroke, so that stable clamping effects can be generated for different radial dimension positions outside the rear drive pipe 81, debugging-free clamping for different types of rear drive pipes 81 is facilitated, and the adaptability is better. The workbench 1 is provided with a translation servo motor 5 and a horizontally arranged slide rail 11, the clamping seat 3 is slidably connected to the slide rail 11, the bottom of the clamping seat 3 is in transmission connection with the translation servo motor 5 through a screw rod transmission mechanism 12, and the clamping seat 3 is fixedly provided with a rotary servo motor 6 with an output end coaxially connected with the clamping head 4. The screw rod transmission mechanism 12 is an existing transmission device, can convert rotary torque into linear movement acting force, is favorable for realizing accurate control of the movement stroke of the clamping seat 3 along the workbench 1, and the rotary servo motor 6 is favorable for accurately controlling the torsion angle of the torsion spring 9, so that smooth assembly is ensured, and a circuit and a controller for specifically controlling each servo motor can be existing components. The workbench 1 is also provided with a roller 7 which is transversely suspended and can be inserted into the rear driving pipe 81, and the roller 7 and the clamping seat 3 are respectively arranged on two transverse sides of the clamp 2. Therefore, when the clamp 2 clamps, one end of the rear driving tube 81 far away from the clamping head 4 is matched with the rolling shaft 7, thus the pre-positioning of the backrest framework 8 can be realized, the possibility that the rear driving tube 81 is stressed and swung in the assembling process is avoided more effectively, and the smooth assembling is ensured.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides an assembly device of car seat lift torsional spring, includes workstation (1), be equipped with anchor clamps (2) that are used for the location back skeleton on workstation (1), a serial communication port, still be equipped with on workstation (1) arrange in one side of anchor clamps (2) and can initiatively be close to and clamping seat (3) far away from towards this anchor clamps (2), be equipped with on clamping seat (3) and be column and can wind chuck (4) of self axial lead rotation, the setting direction of chuck (4) is unanimous with the direction of motion of clamping seat (3), and this chuck (4) are close to one end of anchor clamps (2) has clamp groove (41) that are used for centre gripping torsional spring tip, clamp groove (41) can be axially opposite with the back drive tube on the back skeleton along the setting direction of chuck (4).

2. The assembly device of the lifting torsion spring of the automobile seat according to claim 1, wherein the clamp (2) comprises a supporting column (21), a movable pressing arm (22) and a driving cylinder (23), the supporting column (21) protrudes out of the surface of the workbench (1), the output end of the driving cylinder (23) is connected with the movable pressing arm (22) and can drive the movable pressing arm (22) to approach or separate from the supporting column (21), and the driving cylinders (23) are all controlled by the same electromagnetic valve.

3. Assembly device for a lifting torsion spring of a car seat according to claim 2, wherein at least two support columns (21) for clamping the rear drive tube are provided, the top surfaces of the support columns (21) each having a positioning notch (211) extending transversely therethrough for positioning the rear drive tube, the positioning notches (211) being opposite to the clamping grooves (41) in the direction of the extending through.

4. An assembly device for a lifting torsion spring of a car seat according to claim 3, wherein the movable pressing arm (22) is connected with an elastic pressing pad (24), and the elastic pressing pad (24) can be pressed on the surface of the rear driving tube when the movable pressing arm (22) approaches the supporting column (21).

5. The assembly device of the lifting torsion spring of the automobile seat according to claim 1, 2, 3 or 4, wherein the workbench (1) is provided with a translation servo motor (5) and a horizontally arranged sliding rail (11), the clamping seat (3) is slidably connected to the sliding rail (11), the bottom of the clamping seat (3) is in transmission connection with the translation servo motor (5) through a screw transmission mechanism (12), and the clamping seat (3) is fixedly provided with a rotary servo motor (6) with an output end coaxially connected with the clamping head (4).

6. The assembly device of the lifting torsion spring of the automobile seat according to claim 1 or 2 or 3 or 4, wherein the workbench (1) is further provided with a roller (7) which is transversely suspended and can be inserted into the rear driving tube, and the roller (7) and the clamping seat (3) are respectively arranged on two transverse sides of the clamp (2).