Burr trimming device for automotive upholstery

By designing a grinding head device that allows for quick replacement and adjustment, the problems of slow grinding head replacement and unnatural operating posture in existing technologies have been solved, thereby improving the production efficiency and operating comfort of interior parts.

CN224027199UActive Publication Date: 2026-03-24ANHUI LIDE AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing deburring devices for automotive interior parts cannot quickly change the grinding head, resulting in unstable grinding effects, affecting surface quality, and causing muscle fatigue and safety hazards due to unnatural operating posture.

Method used

A device was designed that includes a grinding gun body, an internal hexagonal sleeve, a hexagonal shaft, a hollow sleeve, and a fixing component. The grinding head is rotated by the rotation of the internal hexagonal sleeve and the hexagonal shaft, and the grinding head distance can be quickly disassembled and adjusted by the fixing component to adapt to different workpieces and operator body shapes.

Benefits of technology

It enables quick replacement of grinding heads and distance adjustment, improves work efficiency, reduces fatigue and safety risks, and ensures operational comfort and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a burr trimming device for automotive upholstery, which relates to the technical field of burr trimming and comprises a polishing gun body, an inner hexagonal sleeve shaft is arranged inside the polishing gun body, one end of the inner hexagonal sleeve shaft is connected with an output shaft inside the polishing gun body, and a hexagonal shaft is slidably connected inside the inner hexagonal sleeve shaft. A hollow sleeve is arranged at the end, away from the inner hexagonal sleeve shaft, of the hexagonal shaft, a connecting shaft is arranged in the hollow sleeve, a polishing head is arranged at the end, away from the hollow sleeve, of the connecting shaft, a fixing assembly for fixing the connecting shaft is arranged on the hollow sleeve, and an adjusting assembly for adjusting the hexagonal shaft is arranged at the bottom of the polishing gun body. Through the arrangement of the fixing assembly, the effect of quickly disassembling and fixing the grinding head is achieved, different types of grinding heads may need to be used for different workpieces, materials or grinding stages, the replacement process can be simplified through the quick disassembling function, a large amount of time is saved, tools or complex steps are not needed, and the working efficiency is improved. Therefore, the working efficiency is obviously improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to burr trimming technical field, concretely is a kind of automobile interior part burr trimming device. BACKGROUND

[0002] Automobile interior part, for example, instrument panel, door panel, center console etc., usually adopt injection molding, pressure casting process manufacturing, in these process, due to mould, material or process control etc., some small, irregular protrusions will inevitably be produced in part edge or surface, this is burr, automobile interior part burr trimming device, as its name implies, it is a kind of equipment for removing burr produced in the production process of automobile interior part.

[0003] The patent document with the authorized announcement number CN222114597U records a kind of automobile interior part burr trimming device, wherein the scheme recorded through handle main body, hollow shaft, polishing head, luminous ring, conductive slip ring and connecting wire cooperation, luminous ring can be connected with power supply by connecting wire and conductive slip ring located in hollow shaft and one end of hollow shaft, power supply is achieved by conductive slip ring, the electric connection of luminous ring can be ensured when hollow shaft rotates, polishing head rotates under the driving of hollow shaft, luminous ring is circular table piece, polishing head is conical head, conical head will not block the light ring emitted by luminous ring. Light ring emitted by luminous ring can fully illuminate burr position, facilitate observing burr position in burr trimming process.

[0004] The above-mentioned technology has the problem of being unable to quickly replace the polishing head, if the polishing head is severely worn, continued use will lead to unstable polishing effect, burrs cannot be completely removed, affect the surface quality of interior part, and the slow replacement of the polishing head will prolong the entire production rhythm, leading to slow production speed, and the above-mentioned technology also has the problem of being unable to adjust the distance between the polishing head and the hand, the operator may need to maintain an unnatural posture for a long time in order to reach the appropriate polishing position, such as excessive stretching, bending or twisting the body, which will cause muscle fatigue and joint pain, and if the operator stretches the body excessively in order to reach the difficult-to-reach area, may lose balance, leading to falling or being scratched by the polishing head. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of automobile interior part burr trimming device to solve the problem of being unable to quickly replace the polishing head in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of automobile interior part burr trimming device, comprising polishing gun body;

[0008] The polishing assembly for polishing the interior trim of the automobile comprises an internal hex sleeve shaft, the internal hex sleeve shaft is rotationally connected inside the polishing gun body, one end of the internal hex sleeve shaft is connected with an output shaft inside the polishing gun body, a six-rib shaft is slidably connected inside the internal hex sleeve shaft, a hollow sleeve is arranged on the end of the six-rib shaft away from the internal hex sleeve shaft, a connecting shaft is arranged inside the hollow sleeve, a polishing head is arranged on the end of the connecting shaft away from the hollow sleeve, and a fixing assembly for fixing the connecting shaft is arranged on the hollow sleeve.

[0009] The bottom of the polishing gun body is provided with an adjusting assembly for adjusting the six-rib shaft.

[0010] On the basis of the above technical scheme, the utility model further provides the following optional technical schemes.

[0011] In an optional scheme, the fixing assembly comprises two receiving grooves, the two receiving grooves are arranged on the two ends inside the hollow sleeve respectively, the two receiving grooves are slidably connected with limiting blocks inside respectively, springs are arranged between the two limiting blocks and the two receiving grooves, first limiting holes matched with the limiting blocks are arranged on the two ends of the connecting shaft, the two limiting blocks are slidably connected inside the two first limiting holes respectively, connecting rods are arranged on the ends of the two limiting blocks away from the first limiting holes, and the two connecting rods penetrate through the receiving grooves and the hollow sleeve.

[0012] In an optional scheme, the adjusting assembly comprises a supporting frame, the supporting frame is arranged at the bottom of the polishing gun body, a supporting plate is slidably connected inside the supporting frame, a limiting frame is arranged on one end of the top of the supporting plate, a rotating disc is fixedly connected to the outer surface of the six-rib shaft, the rotating disc is rotationally connected inside the limiting frame, and a limiting assembly for limiting the supporting plate is arranged inside the supporting frame.

[0013] In an optional scheme, the limiting assembly comprises a fixed plate, the fixed plate is fixedly connected to one end of the supporting plate, supporting strips are arranged at the two ends of the bottom of the fixed plate, limiting clamping columns are arranged on one end of the two supporting strips, a plurality of second limiting holes matched with the limiting clamping columns are arranged on the two sides of the supporting frame, and the limiting clamping columns are slidably connected inside the second limiting holes.

[0014] In an optional scheme, the two supporting strips are elastic members.

[0015] In an optional scheme, the ends of the two connecting rods away from each other are provided with pull rings.

[0016] In an optional scheme, the end of the hollow sleeve away from the six-rib shaft is provided with a dust cover.

[0017] In an optional scheme, the handle portion of the polishing gun body is provided with an anti-skid coating.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] 1、The utility model discloses a fixed assembly that is arranged on the hollow sleeve reaches the effect of quick disassembly and fixed of polishing head, different workpieces, materials or polishing stages can need to use different types of polishing head, and the quick disassembly function can simplify the replacement process, save a large amount of time, need not use the tool or complex step, thereby significantly improve work efficiency.

[0020] 2、The utility model discloses an adjusting assembly that is arranged on the polishing gun body reaches the effect of the distance between polishing head and hand, for the workpiece of very big size difference, adjusting distance helps more conveniently carry out polishing operation, and for different polishing tasks and the body shape of operator, adjusting distance can help find more comfortable, more ergonomic operation posture, reduce fatigue feeling, improve operating efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structural schematic diagram of the utility model.

[0022] Figure 2 It is the hollow sleeve structure cutaway drawing of the utility model.

[0023] Figure 3 It is the support frame structure cutaway drawing of the utility model.

[0024] Figure 4 It is the structural schematic diagram of the utility model Figure 2 A place in the utility model.

[0025] Among them: 100, polishing gun body;201, inner hexagonal sleeve shaft;202, six edge shaft;203, hollow sleeve;204, connecting shaft;205, polishing head;301, storage groove;302, limit block;303, spring;304, first limit hole;305, connecting rod;401, support frame;402, support plate;403, limit frame;404, turntable;501, fixed plate;502, support strip;503, limit clamping column;504, second limit hole. DETAILED DESCRIPTION

[0026] In order to make the utility model's purpose, technical scheme and advantage more clearly clear, the following is combined with the drawings and example, and the utility model is further detailed.

[0027] In one embodiment, as Figures 1-4As shown in the figure, a kind of automobile interior part burr trimming device, including: polishing gun body 100 and polishing assembly, the polishing assembly includes internal hex sleeve shaft 201, the internal hex sleeve shaft 201 is rotatably connected in polishing gun body 100 interior, and one end of the internal hex sleeve shaft 201 is connected with the output shaft in polishing gun body 100 interior, six prism shaft 202 is slidably connected in the internal hex sleeve shaft 201, hollow sleeve 203 is equipped on the end of six prism shaft 202 away from internal hex sleeve shaft 201, connecting shaft 204 is equipped in the hollow sleeve 203, polishing head 205 is equipped on the end of connecting shaft 204 away from hollow sleeve 203, fixed assembly for connecting shaft 204 is equipped on the hollow sleeve 203, the adjusting assembly for six prism shaft 202 is equipped in the bottom of polishing gun body 100, by controlling the output shaft in polishing gun body 100 interior, it drives internal hex sleeve shaft 201 and six prism shaft 202 to rotate, then hollow sleeve 203 and connecting shaft 204 are rotated, so as to drive polishing head 205 to rotate, and the automobile interior part is polished and trimmed burr.

[0028] In one embodiment, as shown in Figure 2 And Figure 4 The fixed assembly includes two receiving grooves 301, two receiving grooves 301 are respectively formed on both ends of the hollow sleeve 203, two limit blocks 302 are slidably connected in two receiving grooves 301, springs 303 are arranged between two limit blocks 302 and two receiving grooves 301, first limit holes 304 are formed on both ends of connecting shaft 204, and two limit blocks 302 are respectively slidably connected in two first limit holes 304, connecting rods 305 are arranged on the ends of two limit blocks 302 away from first limit holes 304, and two connecting rods 305 penetrate receiving grooves 301 and hollow sleeve 203, by pulling connecting rod 305, it drives limit block 302 to extrude spring 303, then connecting shaft 204 is placed in hollow sleeve 203, then the pulling force of connecting rod 305 is cancelled, then under the action of spring 303, it drives limit block 302 to reach the inside of first limit hole 304, so as to fix connecting shaft 204.

[0029] In one embodiment, as shown in Figure 1 And Figure 3As shown, the adjusting assembly comprises a support frame 401 provided at the bottom of the grinding gun body 100, a support plate 402 slidingly connected inside the support frame 401, a limiting frame 403 provided at one end of the top of the support plate 402, a rotating disc 404 fixedly connected to the outer surface of the six-rib shaft 202 and rotatingly connected inside the limiting frame 403, and a limiting assembly provided inside the support frame 401 for limiting the support plate 402. By pushing the support plate 402, the limiting frame 403 and the rotating disc 404 are driven to move, so that the six-rib shaft 202 is driven to move inside the inner hexagonal sleeve shaft 201.

[0030] In one embodiment, as shown in Figure 1 and Figure 3 As shown, the limiting assembly comprises a fixed plate 501 fixedly connected to one end of the support plate 402, support bars 502 provided at both ends of the bottom of the fixed plate 501, limiting clamping columns 503 provided at one end of each of the two support bars 502, second limiting holes 504 provided at the two sides of the support frame 401 and adapted to the limiting clamping columns 503, and the limiting clamping columns 503 slidingly connected to the second limiting holes 504. By pressing the two support bars 502 close to each other, the two limiting clamping columns 503 are separated from the second limiting holes 504, so that the support plate 402 can be moved. After moving to the appropriate position, the force applied to the support bars 502 is removed, and then the support bars 502 drive the limiting clamping columns 503 to reset, so as to reach the inside of the second limiting holes 504, thereby limiting the support plate 402.

[0031] In one embodiment, as shown in Figure 1 and Figure 3 As shown, the two support bars 502 are elastic members, facilitating the pressing of the support bars 502.

[0032] In one embodiment, as shown in Figure 1 and Figure 2 As shown, the two connecting rods 305 are provided with pull rings at the ends away from each other, facilitating the pulling of the connecting rods 305.

[0033] In one embodiment, as shown in Figure 1 As shown, the hollow sleeve 203 is provided with a dust cover at the end away from the six-rib shaft 202, which can block the dust and debris generated during grinding.

[0034] In one embodiment, as shown in Figure 1 As shown, the handle portion of the grinding gun body 100 is provided with an anti-slip coating to prevent the grinding gun body 100 from sliding off the hand.

[0035] The above-mentioned embodiment discloses a burr trimming device for an automotive interior part, wherein the output shaft inside the polishing gun body 100 is controlled to drive the inner hexagonal sleeve shaft 201 and the six-rib shaft 202 to rotate, then drive the hollow sleeve 203 and the connecting shaft 204 to rotate, so as to drive the polishing head 205 to rotate and polish the burrs of the automotive interior part. The position of the polishing head 205 can be adjusted according to actual needs. The two support bars 502 can be squeezed close to each other, so that the two limiting clamping columns 503 are separated from the second limiting hole 504, so that the support plate 402 can move. Then push the support plate 402 to drive the limiting frame 403 and the turntable 404 to move, so as to drive the six-rib shaft 202 to move inside the inner hexagonal sleeve shaft 201. After moving to the appropriate position, the force applied to the support bar 502 is cancelled, then the support bar 502 drives the limiting clamping column 503 to reset, so as to reach inside the second limiting hole 504, so as to limit the support plate 402. When it is necessary to replace the polishing head 205, the connecting rod 305 can be pulled to drive the limiting block 302 to squeeze the spring 303 and move away from the first limiting hole 304. Then pull the polishing head 205 to drive the connecting shaft 204 to separate from the hollow sleeve 203. Place a new connecting shaft 204 inside the hollow sleeve 203, and the connecting shaft 204 and the polishing head 205 are matched. Then cancel the pulling force of the connecting rod 305. Then under the action of the spring 303, drive the limiting block 302 to reach inside the first limiting hole 304, so as to fix the connecting shaft 204 and the polishing head 205.

[0036] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A burr trimming device for automotive interior parts, comprising: Polishing gun body (100); The invention is characterized by further including a polishing assembly for polishing automotive interior trim, the polishing assembly including an internal hexagonal sleeve shaft (201), the internal hexagonal sleeve shaft (201) being rotatably connected to the inside of a polishing gun body (100), and one end of the internal hexagonal sleeve shaft (201) being connected to an output shaft inside the polishing gun body (100), a hexagonal shaft (202) being slidably connected inside the internal hexagonal sleeve shaft (201), a hollow sleeve (203) being provided on the end of the hexagonal shaft (202) away from the internal hexagonal sleeve shaft (201), a connecting shaft (204) being provided inside the hollow sleeve (203), a polishing head (205) being provided on the end of the connecting shaft (204) away from the hollow sleeve (203), and a fixing assembly for fixing the connecting shaft (204) being provided on the hollow sleeve (203); The grinding gun body (100) has an adjustment component at the bottom for adjusting the hexagonal shaft (202).

2. The deburring device for automotive interior parts according to claim 1, characterized in that, The fixing component includes two storage slots (301), which are respectively opened at both ends inside the hollow sleeve (203). Each of the two storage slots (301) is slidably connected to a limiting block (302). A spring (303) is provided between the two limiting blocks (302) and the two storage slots (301). Each end of the connecting shaft (204) is provided with a first limiting hole (304) that is adapted to the limiting block (302). The two limiting blocks (302) are slidably connected inside the two first limiting holes (304). Each end of the two limiting blocks (302) away from the first limiting hole (304) is provided with a connecting rod (305). Both connecting rods (305) pass through the storage slot (301) and the hollow sleeve (203).

3. The deburring device for automotive interior parts according to claim 1, characterized in that, The adjustment component includes a support frame (401) located at the bottom of the grinding gun body (100). A support plate (402) is slidably connected inside the support frame (401). A limiting frame (403) is provided on one end of the top of the support plate (402). A turntable (404) is fixedly connected to the outer surface of the hexagonal shaft (202), and the turntable (404) is rotatably connected inside the limiting frame (403). A limiting component for limiting the support plate (402) is provided inside the support frame (401).

4. The deburring device for automotive interior parts according to claim 3, characterized in that, The limiting component includes a fixing plate (501), which is fixedly connected to one end of a support plate (402). Both ends of the bottom of the fixing plate (501) are provided with support strips (502), and one end of each of the two support strips (502) is provided with a limiting pin (503). Both sides of the support frame (401) are provided with a plurality of second limiting holes (504) that are adapted to the limiting pins (503), and the limiting pins (503) are slidably connected in the second limiting holes (504).

5. The deburring device for automotive interior parts according to claim 4, characterized in that, Both of the support bars (502) are elastic elements.

6. The deburring device for automotive interior parts according to claim 2, characterized in that, Each of the two connecting rods (305) has a pull ring at one end that is far apart from the other.

7. The deburring device for automotive interior parts according to claim 1, characterized in that, A dust cover is provided on the end of the hollow sleeve (203) away from the hexagonal shaft (202).

8. The deburring device for automotive interior parts according to claim 1, characterized in that, The handle of the grinding gun body (100) is provided with an anti-slip coating.

Citation Information

Patent Citations

  • Burr trimming device for automotive upholstery

    CN222114597U