Automobile sheet metal part polishing device
By using a safety protection component consisting of a support outer cover and a protective inner cover in the polishing and grinding device, the problems of easy damage to the polishing and grinding disc and safety hazards are solved, thereby improving the stability and safety of the equipment and effectively handling metal debris.
Patent Information
- Application Number
- CN202520636766.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-07
AI Technical Summary
In existing polishing and grinding equipment, the polishing and grinding discs are exposed and easily damaged by bumps and knocks, posing safety hazards, affecting the lifespan of the equipment and the safety of the workers.
Design a grinding device for automotive sheet metal parts. It adopts a safety protection component consisting of a supporting outer cover and a protective inner cover to prevent the polishing grinding disc from being damaged by bumps. It also collects metal debris through centrifugal blades and drainage channels to avoid debris splashing.
It effectively prevents damage to the polishing disc and accidental injury to personnel during movement, improves equipment stability and safety, and enables effective collection and directional discharge of metal debris, thereby improving polishing accuracy and the cleanliness of the work area.
Smart Images

Figure CN223947574U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to polishing device technical field especially is involved in a kind of automobile sheet metal parts polishing device. BACKGROUND
[0002] In the automobile manufacturing process, after automobile sheet metal parts are processed by stamping, welding and other steps, burrs, welding slag and unevenness will occur on the surface, which not only affects the appearance quality of the automobile, but also may adversely affect the subsequent paint spraying process, therefore, a special polishing device is needed to polish and polish the surface of the automobile sheet metal parts to achieve a smooth and flat surface effect and meet the high quality standards of automobile manufacturing.
[0003] At present, the existing polishing device is usually designed with an exposed polishing disc for polishing and polishing the surface of the automobile sheet metal parts, which is prone to damage during movement and transportation, reducing the service life of the equipment and increasing the cost of maintenance and replacement. At the same time, the exposed polishing disc may also injure the workers during operation, posing a certain safety hazard, thereby limiting the use effect and application range of the existing polishing device to some extent.
[0004] Therefore, we propose a kind of automobile sheet metal parts polishing device to solve the above-mentioned problems. CONTENT OF THE UTILITY MODEL
[0005] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0006] Therefore, the utility model aims to provide an automobile sheet metal parts polishing device that can solve the problem of damage and injury to workers caused by the exposure of the polishing disc.
[0007] To solve the above technical problems, the utility model provides an automobile sheet metal parts polishing device, which adopts the following technical scheme: a polishing machine body is provided, one end of the polishing machine body is provided with a safety protection assembly, the bottom of the polishing machine body is connected with a holding bracket, the bottom of the holding bracket is further provided with a mistaken touch prevention assembly, one end of the polishing machine body is provided with a driving motor, one end of the driving motor is provided with a connecting screw head, the output end of the driving motor is further connected with a polishing disc.
[0008] The safety protection assembly comprises a supporting cover, and one end of the supporting cover is further provided with a protection cover.
[0009] Optionally, one end of the supporting cover is provided with a fixing screw hole, the fixing screw hole is matched with a connecting screw head structure, the fixing screw hole is threadedly connected with the connecting screw head, the inside of the supporting cover is provided with a drainage groove, and the inside of the supporting cover is further provided with an adjusting cavity around.
[0010] Optionally, two groups of flow guide holes are further provided in one side of the protection cover and the supporting cover, an annular baffle is arranged around one end of the protection cover, the annular baffle is matched with the adjusting cavity structure, and a plurality of circumferentially arranged compression springs are further connected between the annular baffle and the adjusting cavity.
[0011] Optionally, a pressing switch is arranged on one side of the holding support, and adjusting sliding grooves are arranged on both sides of the holding support.
[0012] Optionally, the mistaken touch prevention assembly comprises a shielding cover body, a strong magnetic layer is arranged on the top of the shielding cover body and the bottom of one end of the grinding machine body, adjusting sliding blocks are further arranged at both ends of the shielding cover body, the adjusting sliding blocks are matched with the adjusting sliding grooves, and the adjusting sliding blocks are slidably connected with the adjusting sliding grooves.
[0013] Optionally, a supporting disc body is arranged on one side of the polishing grinding disc, the supporting disc body is matched with the drainage groove structure, a centrifugal handle is arranged on one side of the supporting disc body, and the centrifugal handle is transitionally connected with the drainage groove.
[0014] In summary, the utility model has at least one beneficial effect as follows:
[0015] 1. The automobile sheet metal part polishing device is designed, the safety protection assembly composed of the supporting cover and the protection cover is arranged outside the polishing grinding disc, the safety protection assembly can effectively prevent the polishing grinding disc from being damaged due to collision during movement and carrying, and can also prevent the exposed polishing grinding disc from injuring the workers during operation, the protection cover is elastically limited around the opening of the supporting cover through the cooperation of the adjusting cavity, the annular baffle and the compression spring, the automobile sheet metal part to be polished can be pressed and fixed, the automobile sheet metal part is prevented from swinging during polishing, the polishing precision and quality are improved, the hard contact between the polishing grinding disc and the automobile sheet metal part is avoided through the elastic connection mode, the vibration and impact of the polishing grinding disc during work are effectively reduced, the polishing operation is stable, and the stability and reliability of the equipment are improved.
[0016] 2. The automobile sheet metal part polishing device designed in the scheme, through the drainage groove opened in the supporting outer cover, and the supporting disc body and centrifugal paddle matched with the structure of the drainage groove installed on one side of the polishing and grinding disc, the centrifugal force generated by the high-speed rotating centrifugal paddle can suck the metal chips generated by polishing and grinding into the drainage groove, realize the effective collection and preliminary treatment of the metal chips, cooperate with the two groups of flow guide holes opened through the supporting outer cover and the protective inner cover, when the protective inner cover is elastically contracted into the adjusting cavity of the supporting outer cover, the position-aligned flow guide holes can discharge the metal chips sucked into the drainage groove outward, realize the directional discharge of the metal chips, reduce the risk of sputtering of the metal chips due to flying everywhere, and keep the working area clean and safe. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0018] Figure 1 It is the overall structure schematic diagram of the present application;
[0019] Figure 2 It is the polishing machine body structure schematic diagram of the present application;
[0020] Figure 3 It is the safety protection assembly sectional view of the present application;
[0021] Figure 4 It is the drainage groove sectional view of the present application;
[0022] Figure 5 It is the holding support structure schematic diagram of the present application;
[0023] Figure 6 It is the anti-mis-touch assembly structure schematic diagram of the present application;
[0024] Figure 7 It is the polishing and grinding disc structure schematic diagram of the present application.
[0025] Explanation of reference signs: 1, polishing machine body; 2, safety protection assembly; 3, holding support; 4, anti-mis-touch assembly; 5, driving motor; 6, connecting screw head; 7, polishing and grinding disc; 8, supporting outer cover; 9, protective inner cover; 10, fixed screw hole; 11, drainage groove; 12, adjusting cavity; 13, flow guide hole; 14, annular baffle; 15, compression spring; 16, press switch; 17, adjusting sliding groove; 18, shielding cover body; 19, strong magnetic layer; 20, adjusting sliding block; 21, supporting disc body; 22, centrifugal paddle. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0027] Embodiment: refer to Figures 1 to 7 The utility model provides an embodiment, a kind of automobile sheet metal part polishing device, including polishing machine body 1, the one end of polishing machine body 1 is equipped with safety protection component 2, the bottom of polishing machine body 1 is connected with holding support 3, the bottom of holding support 3 is also provided with anti-touching component 4, the one end of polishing machine body 1 is equipped with driving motor 5, the one end of driving motor 5 is equipped with connecting screw head 6, the output end of driving motor 5 is also transmission connection has polishing disc 7, safety protection component 2 includes support cover 8, the one end of support cover 8 is also provided with protective inner cover 9, by the safety protection component 2 of polishing machine body 1 one end addition, the safety protection component 2 is made of support cover 8 and protective inner cover 9, can prevent the situation that knock damage occurs in the process of moving and carrying due to polishing disc 7 exposed, also can avoid the problem that exposed polishing disc 7 injures others in the process of operation.
[0028] The one end of support cover 8 is provided with fixed screw hole 10, fixed screw hole 10 and connecting screw head 6 structure are matched, fixed screw hole 10 and connecting screw head 6 are threadedly matched, the inside of support cover 8 is provided with drainage groove 11, the periphery of the inside of support cover 8 is also provided with adjusting cavity 12, by the fixed screw hole 10 of support cover 8 one end addition, because fixed screw hole 10 and connecting screw head 6 are threadedly matched, the polishing machine body 1 can be disassembled, connected and repaired and replaced according to use condition to safety protection component 2, two groups of flow guide holes 13 are penetrated and arranged on one side of protective inner cover 9 and support cover 8, annular baffle 14 is arranged on the one end of protective inner cover 9, annular baffle 14 and adjusting cavity 12 structure are matched, a plurality of circumferentially arrayed compression springs 15 are further connected between annular baffle 14 and adjusting cavity 12, by the annular baffle 14 of protective inner cover 9 one end periphery addition, because annular baffle 14 and adjusting cavity 12 structure are matched, protective inner cover 9 can be positioned and connected around the opening of support cover 8.
[0029] One side of the holding support 3 is provided with a press switch 16, both sides of the holding support 3 are provided with an adjusting sliding groove 17, the press switch 16 on one side of the holding support 3 is electrically connected with the driving motor 5, the press switch 16 can control the start and stop of the driving motor 5 through the press mode, the false touch prevention assembly 4 includes a shielding cover body 18, the top of the shielding cover body 18 and one end of the polishing machine body 1 are provided with a strong magnetic layer 19, both ends of the shielding cover body 18 are further provided with an adjusting sliding block 20, the adjusting sliding block 20 is matched with the adjusting sliding groove 17, the adjusting sliding block 20 and the adjusting sliding groove 17 are slidingly matched, the shielding cover body 18 is slidingly connected on one side of the holding support 3 provided with the press switch 16 through the sliding matching structure between the adjusting sliding block 20 and the adjusting sliding groove 17, the strong magnetic layer 19 provided on the top of the shielding cover body 18 and the bottom of the polishing machine body 1 can also adsorb and fix the shielding cover body 18 slidingly sleeved outside the press switch 16, so that the shielding cover body 18 cannot be loose or fall off.
[0030] One side of the polishing and grinding disc 7 is provided with a supporting disc body 21, the supporting disc body 21 is matched with the drainage groove 11, one side of the supporting disc body 21 is provided with a centrifugal paddle 22, the centrifugal paddle 22 is transitionally matched with the drainage groove 11, when the driving motor 5 drives the polishing and grinding disc 7 to rotate at high speed in the drainage groove 11, the centrifugal paddle 22 rotating at high speed can generate centrifugal force in the drainage groove 11, the centrifugal force can suck the metal debris generated by polishing and grinding into the drainage groove 11, and the two groups of flow guide holes 13 penetratingly provided on one side of the protective inner cover 9 and the supporting outer cover 8 can also discharge the metal debris sucked into the drainage groove 11, so that the metal debris generated by polishing and grinding can be discharged in a directional manner, and the risk of the metal debris being sputtered due to flying everywhere can be reduced.
[0031] Working principle: the automobile sheet metal part polishing device designed in the scheme mainly consists of a polishing machine body 1, a safety protection assembly 2, a holding support 3 and a false touch prevention assembly 4, wherein the safety protection assembly 2 includes a supporting outer cover 8 and a protective inner cover 9, the supporting outer cover 8 is sleeved and connected outside the polishing and grinding disc 7 through the fixed screw hole 10 provided on one end of the supporting outer cover 8 and the connecting screw head 6 additionally provided on one end of the driving motor 5, the fixed screw hole 10 is matched with the connecting screw head 6 in structure, and the fixed screw hole 10 is threadedly matched with the connecting screw head 6, so that the supporting outer cover 8 additionally provided with the protective inner cover 9 on one end can be sleeved and connected outside the polishing and grinding disc 7, which can effectively prevent the polishing and grinding disc 7 from being damaged due to collision during moving and carrying, and can also effectively avoid the problem that the polishing and grinding disc 7 exposed outside can injure others during operation.
[0032] The automobile sheet metal polishing device designed in the scheme can elastically limit the protective inner cover 9 around the opening of the supporting outer cover 8 through the cooperation of the adjusting cavities 12, the annular baffle 14 and the compression springs 15. The protective inner cover 9 elastically connected around the opening of the supporting outer cover 8 can play a role in pressing and fixing the automobile sheet metal to be polished, so as to prevent the automobile sheet metal from swinging back and forth during polishing, and also to avoid the hard contact between the polishing disc 7 and the automobile sheet metal, effectively reducing the vibration and impact of the polishing disc 7 during polishing.
[0033] The automobile sheet metal polishing device designed in the scheme can elastically limit the protective inner cover 9 around the opening of the supporting outer cover 8 through the cooperation of the adjusting cavities 12, the annular baffle 14 and the compression springs 15. The protective inner cover 9 elastically connected around the opening of the supporting outer cover 8 can play a role in pressing and fixing the automobile sheet metal to be polished, so as to prevent the automobile sheet metal from swinging back and forth during polishing, and also to avoid the hard contact between the polishing disc 7 and the automobile sheet metal, effectively reducing the vibration and impact of the polishing disc 7 during polishing.
[0034] The automobile sheet metal polishing device designed in the scheme can elastically limit the protective inner cover 9 around the opening of the supporting outer cover 8 through the cooperation of the adjusting cavities 12, the annular baffle 14 and the compression springs 15. The protective inner cover 9 elastically connected around the opening of the supporting outer cover 8 can play a role in pressing and fixing the automobile sheet metal to be polished, so as to prevent the automobile sheet metal from swinging back and forth during polishing, and also to avoid the hard contact between the polishing disc 7 and the automobile sheet metal, effectively reducing the vibration and impact of the polishing disc 7 during polishing.
[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. An automobile sheet metal part polishing device comprising a polishing machine body (1), characterized in that: One end of the polishing machine body (1) is provided with a safety protection assembly (2), the bottom of the polishing machine body (1) is connected with a holding support (3), the bottom of the holding support (3) is further provided with a mistaken touch prevention assembly (4), one end of the polishing machine body (1) is provided with a driving motor (5), one end of the driving motor (5) is provided with a connecting screw head (6), the output end of the driving motor (5) is further transmissionally connected with a polishing and polishing disc (7). The safety protection assembly (2) comprises a supporting cover (8), one end of the supporting cover (8) is further provided with a protection cover (9).
2. The automobile sheet metal part polishing device according to claim 1, characterized in that: One end of the supporting cover (8) is provided with a fixed screw hole (10), the fixed screw hole (10) is matched with the connecting screw head (6), the fixed screw hole (10) is threadedly matched with the connecting screw head (6), the inside of the supporting cover (8) is provided with a drainage groove (11), the inside of the supporting cover (8) is further provided with an adjusting cavity (12) around.
3. The device according to claim 2, characterized in that: The protection cover (9) and one side of the supporting cover (8) are both provided with two groups of flow guide holes (13), one end of the protection cover (9) is provided with an annular baffle (14) around, the annular baffle (14) is matched with the adjusting cavity (12), the annular baffle (14) is further connected with a plurality of circumferentially arrayed compression springs (15) between the adjusting cavity (12).
4. The device according to claim 3, characterized in that: One side of the holding support (3) is provided with a press switch (16), both sides of the holding support (3) are provided with adjusting sliding grooves (17).
5. The device according to claim 4, characterized in that: The mistaken touch prevention assembly (4) comprises a shielding cover body (18), the top of the shielding cover body (18) and one end of the bottom of the polishing machine body (1) are provided with a strong magnetic layer (19), both ends of the shielding cover body (18) are further provided with adjusting sliding blocks (20), the adjusting sliding blocks (20) are matched with the adjusting sliding grooves (17), the adjusting sliding blocks (20) are slidably matched with the adjusting sliding grooves (17).
6. The device according to claim 1, characterized in that: One side of the polishing and polishing disc (7) is provided with a supporting disc body (21), the supporting disc body (21) is matched with the drainage groove (11), one side of the supporting disc body (21) is provided with a centrifugal paddle (22), the centrifugal paddle (22) is transitionally matched with the drainage groove (11).