Limiting device for machining automobile door trim

By introducing a flip-up C-shaped clamp and worm gear drive into the automotive door trim panel processing device, the problem of the fixed device being unable to flip is solved, enabling rapid double-sided processing of automotive door trim panels and improving processing efficiency and precision.

CN224012260UActive Publication Date: 2026-03-20昆山市奇工精密机械有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

In the existing technology, the fixing device for automotive door trim panels cannot be flipped, which requires flipping it separately when processing both sides, affecting processing efficiency.

Method used

It adopts a C-shaped clamping structure that can be flipped synchronously, combined with a hydraulically driven clamping system and a worm gear transmission mechanism, to achieve rapid clamping and 180° precise flipping of automotive door trim panels. Combined with a T-shaped slider and screw transmission adjustment mechanism, it can adapt to door trim panels of different sizes.

Benefits of technology

It improves the efficiency and precision of double-sided processing of automotive door trim panels, and enhances the versatility of the equipment and the stability and safety of the processing process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224012260U_ABST
    Figure CN224012260U_ABST
Patent Text Reader

Abstract

The utility model discloses a limiting device for machining an automobile door trim, relates to the field of automobile door trim machining, and aims to solve the problems that in the prior art, an automobile door trim cannot be turned over after being fixed by a fixing device, so that the automobile door trim needs to be turned over and then fixed by the fixing device when two sides of the automobile door trim need to be machined; and the machining efficiency of the automobile door trim is affected. T-shaped limiting sliding grooves are formed in the two sides of the middle of the upper end face of the supporting table correspondingly, supporting columns are arranged at the upper ends of the two T-shaped limiting sliding grooves correspondingly, C-shaped clamping bases are rotationally connected to the upper ends of the inner sides of the two supporting columns correspondingly, and a plurality of hydraulic rods are fixedly connected to the upper end face and the lower end face of each C-shaped clamping base at equal intervals; the telescopic end of each hydraulic rod extends to the inner side of the corresponding C-shaped clamping seat and is fixedly connected with a clamping piece, and the C-shaped clamping seat structure capable of synchronously overturning is arranged and matched with a hydraulic drive clamping system, so that rapid clamping and 180-degree accurate overturning of the automobile door trim are achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile door trim processing, specifically is the limiting device for automobile door trim processing. BACKGROUND

[0002] The automobile door trim is a decorative functional component installed on the inner side of the door, mainly used for beautifying the interior, improving the driving comfort and integrating the practical function. It is usually made of plastic (such as ABS, PP), leather, fabric or soft foam material, and is divided into upper trim, middle trim and lower trim modules. Modern door trim also pays attention to environmental protection and lightweight design, such as using recycled fibers or thermoplastic composites, which have both beauty and engineering practicality. The automobile door trim needs to be fixed and limited by a fixing device during processing.

[0003] For example, the authorized announcement number CN210937866U, a kind of automobile door plate welding fixing device, it is related to the field of automobile parts processing, the device includes base;Fixed on the upper end of base around edge's vertical plate;Fixed on the upper end of base and transversely arranged transverse slide;Second recess is arranged on the side surface of transverse slide;Four vertical slides are fixed on the base and vertically arranged, two vertical slides are fixed on the side of transverse slide, and the other two vertical slides are fixed on the other side of transverse slide;First recess is arranged on the side surface of vertical slide;Limiting block is fixed in the front end of vertical slide;Clamp support is slidably installed on the upper end of vertical slide and the upper end of transverse slide;Automobile door plate clamp is fixed on the upper end of clamp support.The clamp support can slide on the slide, the position is adjustable, the automobile door plate is clamped by using automobile door plate clamp, the final sheet metal processing is realized, it is suitable for different sizes of automobile door plate, has certain universality, is suitable for promotion and use in automobile manufacturing.

[0004] But the fixing device in the above-mentioned technology cannot be turned over after fixing the automobile door trim, which leads to the need to turn over again before fixing by the fixing device when double-sided processing of the automobile door trim is needed, which is more troublesome and affects the processing efficiency of the automobile door trim. Therefore, there is an urgent need to develop a limiting device for automobile door trim processing to help people solve the existing problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a limiting device for automobile door trim processing to solve the problem that the fixing device in the prior art cannot be turned over after fixing the automobile door trim, which leads to the need to turn over again before fixing by the fixing device when double-sided processing of the automobile door trim is needed, which is more troublesome and affects the processing efficiency of the automobile door trim.

[0006] To achieve the above object, the utility model provides the following technical scheme: Car door trim processing is with spacing device, including support platform, both sides of the middle part of support platform upper end surface all are provided with T type spacing sliding slot, two T type spacing sliding slot upper end all are provided with support column, two support column inner side upper end all are rotatably connected with C type clamping seat, the upper and lower two end surfaces of C type clamping seat all are fixedly connected with a plurality of hydraulic rod at equal intervals, and each hydraulic rod telescopic end all extends to C type clamping seat inner side and is fixedly connected with the clamping piece.

[0007] Preferably, two support columns are fixedly connected with T-shaped sliding blocks at the lower ends, and the T-shaped sliding blocks at the lower ends of the two support columns are respectively slid into the interiors of the two T-shaped spacing sliding slots.

[0008] Preferably, the T-shaped spacing sliding slot is fixedly connected with guide rods at the front and rear ends in the interior, a screw rod is rotatably connected with the middle part in the interior of the T-shaped spacing sliding slot, guide holes are formed at the front and rear ends in the interior of the T-shaped sliding block, the two guide rods respectively pass through the interiors of the two guide holes in the T-shaped sliding block, and the screw rod passes through the middle part of the T-shaped sliding block and is threadedly connected with the T-shaped sliding block.

[0009] Preferably, first driving devices are fixedly connected with the middle parts of the two sides of the support platform, drive motors are fixedly arranged in the interiors of the first driving devices, and one end of each of the two screw rods extends to the interior of each of the two first driving devices and is connected with the output end of the drive motor through a shaft coupling.

[0010] Preferably, second driving devices are fixedly connected with the upper ends of the outer sides of the two support columns, servo motors are fixedly arranged in the interiors of the second driving devices, and a worm is fixedly connected with the output shaft of the servo motor.

[0011] Preferably, limiting tubes are fixedly connected with the upper ends in the interiors of the two support columns, rotating shafts are fixedly connected with the middle parts of the outer sides of the two C-shaped clamping seats, and a worm wheel is fixedly connected with one end of the rotating shaft, which extends to the interior of the second driving device through the limiting tube.

[0012] Preferably, the worm on the output shaft of the servo motor is meshingly connected with the worm wheel tooth portion on the rotating shaft.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] (1) In the utility model, the C-shaped clamping seat structure that can be synchronously turned over is arranged, the hydraulic drive clamping system is matched, the quick clamping and 180° accurate turning over of the car door trim are realized, and the problem that the traditional fixing device cannot be turned over and leads to the low efficiency of double-sided processing is solved.

[0015] (2) The utility model discloses, adopt T type sliding block and screw rod drive cooperation guide rod's adjusting mechanism with the support column spacing, can according to different size door trim electrically accurate adjustment, greatly improve the versatility and adaptability of equipment.

[0016] (3) The utility model discloses, innovatively adopt worm gear drive mechanism to realize the overturning of clamping workpiece, both guarantee the stability and accuracy of overturning, and utilize the self-locking characteristics of worm gear and worm to ensure the stable position of workpiece in the processing, improve the machining precision and safety. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view of the limiting device for automobile door trim machining of the utility model;

[0018] Figure 2 It is the main sectional view of the utility model;

[0019] Figure 3 It is the support column side sectional view of the utility model;

[0020] Figure 4 It is the second drive device side sectional view of the utility model.

[0021] In the drawing: 1, support table;101, T type limit sliding groove;102, guide rod;103, screw;2, first drive device;201, drive motor;3, support column;301, T type sliding block;302, guide hole;303, limit tube;4, C type clamping seat;401, rotating shaft;402, worm wheel;403, hydraulic rod;404, clamping piece;5, second drive device;501, servo motor;502, worm. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1-4The utility model provides a kind of embodiment: car door trim processing is limited to device, including support table 1, support table 1 upper end surface middle part both sides are provided with T type limit sliding slot 101, two T type limit sliding slot 101 upper end are provided with support column 3, two support column 3 inner side upper end are rotatably connected with C type clamp holder 4, C type clamp holder 4 upper and lower end surfaces are equally spaced fixedly connected with multiple hydraulic rods 403, and the telescopic end of each hydraulic rod 403 is extended to C type clamp holder 4 inner side and is fixedly connected with clamping piece 404, two support column 3 outer side upper end are fixedly connected with second driving device 5, and second driving device 5 inside is fixedly provided with servo motor 501, and servo motor 501 output shaft is fixedly connected with worm 502, two support column 3 inside upper end are fixedly connected with limit tube 303, two C type clamp holders 4 outer side middle part are fixedly connected with rotating shaft 401, and rotating shaft 401 one end passes through limit tube 303 and extends to second driving device 5 inside and is fixedly connected with worm wheel 402, and servo motor 501 output shaft worm 502 and rotating shaft 401 on worm wheel 402 tooth part meshing connection, by inserting the both sides of car door trim respectively into two C type clamp holders 4 inner side, and make multiple hydraulic rods 403 on the upper and lower ends of C type clamp holder 4 synchronous extension, the clamping piece 404 on the upper and lower ends of hydraulic rod 403 is respectively clamped to the upper and lower ends of car door trim, the clamping of car door trim is realized, when needing to process double-sided car door trim, two servo motors 501 are driven to rotate respectively by two rotating shafts 401, and then two rotating shafts 401 drive two C type clamp holders 4 to rotate synchronously, so that two C type clamp holders 4 drive car door trim to overturn, facilitate double-sided processing of car door trim.

[0024] Please refer to Figure 2 and Figure 3The lower end of each support column 3 is fixedly connected with a T-shaped sliding block 301, the T-shaped sliding block 301 at the lower end of each support column 3 is respectively slid into the inside of two T-shaped limiting sliding grooves 101, the front and rear ends of the inside of each T-shaped limiting sliding groove 101 are fixedly connected with a guide rod 102, a screw rod 103 is rotationally connected to the middle of the inside of each T-shaped limiting sliding groove 101, the front and rear ends of the inside of each T-shaped sliding block 301 are provided with a guide hole 302, the two guide rods 102 are respectively inserted into the inside of the two guide holes 302 of each T-shaped sliding block 301, the screw rod 103 is inserted into the middle of each T-shaped sliding block 301 and is threadedly connected with the T-shaped sliding block 301, the middle of the two sides of the support table 1 is fixedly connected with a first driving device 2, a driving motor 201 is fixedly arranged in the inside of the first driving device 2, one end of each screw rod 103 is respectively extended into the inside of the two first driving devices 2 and is connected with the output end of the driving motor 201 through a shaft coupling, the two driving motors 201 drive the two screw rods 103 to rotate, the two screw rods 103 drive the two T-shaped sliding blocks 301 to slide along the inside of the two T-shaped limiting sliding grooves 101, and the two T-shaped sliding blocks 301 drive the two support columns 3 to horizontally move and adjust the positions, so that the different size automobile door trim plates are conveniently limited and clamped, the T-shaped sliding block 301 moves along the guide hole 302 through the guide rod 102 to guide and ensure the stability of the movement of the T-shaped sliding block 301.

[0025] Working principle: in use, first, the distance between the two support columns 3 is adjusted according to the size of the automobile door trim plate to be processed: the driving motor 201 in the first driving device 2 is started to drive the screw rod 103 to rotate through the shaft coupling, the T-shaped sliding block 301 is in threaded pair cooperation with the screw rod 103, and the T-shaped sliding block 301 moves along the T-shaped limiting sliding groove 101 under the linear guidance and constraint of the guide rod 102 and the guide hole 302, so that the support column 3 is synchronously moved to the adaptive position. After the door trim plate is transversely inserted into the clamping space of the two C-shaped clamping seats 4, the hydraulic rod 403 is started to push the clamping pieces 404 symmetrically distributed upward and downward to synchronously clamp the edge of the door trim plate, and the workpiece is stably fixed and has no risk of deformation through uniform force applied at multiple points. When double-sided processing is needed, the servo motor 501 of the second driving device 5 drives the worm 502 to rotate, the rotating shaft 401 is driven to accurately rotate through the transmission pair of the worm wheel 402 and the worm 502, and the C-shaped clamping seat 4 together with the clamped door trim plate is synchronously flipped by 180°, the limiting tube 303 radially supports the rotating shaft 401 in the flipping process to ensure the stability of rotation.

[0026] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A limiting device for processing automotive door trim panels, comprising a support platform (1), characterized in that: The support platform (1) has T-shaped limiting grooves (101) on both sides of the middle of the upper end face. The two T-shaped limiting grooves (101) are each provided with a support column (3). The upper inner side of the two support columns (3) is rotatably connected to a C-shaped clamp (4). The upper and lower end faces of the C-shaped clamp (4) are each fixedly connected with multiple hydraulic rods (403) at equal intervals. The telescopic end of each hydraulic rod (403) extends to the inner side of the C-shaped clamp (4) and is fixedly connected with a clamping piece (404).

2. The limiting device for processing automotive door trim panels according to claim 1, characterized in that: The lower ends of the two support columns (3) are fixedly connected with T-shaped sliders (301), and the T-shaped sliders (301) at the lower ends of the two support columns (3) slide into the two T-shaped limiting grooves (101) respectively.

3. The limiting device for processing automotive door trim panels according to claim 2, characterized in that: The T-shaped limiting slide groove (101) has guide rods (102) fixedly connected to both the front and rear ends inside. The T-shaped limiting slide groove (101) has a screw (103) rotatably connected to the middle part inside. The T-shaped slider (301) has guide holes (302) at both the front and rear ends inside. The two guide rods (102) pass through the two guide holes (302) on the T-shaped slider (301) respectively. The screw (103) passes through the middle part of the T-shaped slider (301) and is threadedly connected to the T-shaped slider (301).

4. The limiting device for processing automotive door trim panels according to claim 3, characterized in that: The support platform (1) is fixedly connected to the middle of both sides of the first drive device (2). The first drive device (2) is fixedly equipped with a drive motor (201). One end of each of the two screws (103) extends into the two first drive devices (2) and is connected to the output end of the drive motor (201) through a coupling.

5. The limiting device for processing automotive door trim panels according to claim 1, characterized in that: The upper outer sides of the two support columns (3) are fixedly connected to a second drive device (5), and a servo motor (501) is fixedly installed inside the second drive device (5). A worm gear (502) is fixedly connected to the output shaft of the servo motor (501).

6. The limiting device for processing automotive door trim panels according to claim 5, characterized in that: The upper ends of the two support columns (3) are fixedly connected to limit tubes (303), and the middle of the outer sides of the two C-shaped clamps (4) are fixedly connected to rotating shafts (401). One end of the rotating shaft (401) passes through the limit tube (303) and extends into the second drive device (5) and is fixedly connected to a worm gear (402).

7. The limiting device for processing automotive door trim panels according to claim 6, characterized in that: The worm gear (502) on the output shaft of the servo motor (501) is meshed with the worm wheel (402) on the rotating shaft (401).