CN116900936A - Polishing device for automobile accessory machining - Google Patents

Abstract

The application relates to the technical field of polishing devices, in particular to a polishing device for processing automobile accessories, which comprises a workbench, wherein a mounting groove with a U-shaped cross section is formed in the middle of the workbench, a supporting device for supporting the automobile accessories is arranged in the mounting groove in a sliding manner, pressing devices for pressing the automobile accessories are respectively arranged in the mounting groove and positioned at two sides of the supporting device, and end plates are arranged on the workbench and positioned at two ends of the mounting groove; the polishing mechanism is arranged on the workbench and positioned on one side face of the mounting groove, and can clamp, fix and polish the automobile parts with irregular shapes.

Description

A grinding device for auto parts processing

Technical field

The present invention relates to the technical field of grinding devices, and in particular to a grinding device used for processing automobile parts.

Background technique

With the increasingly fierce competition in the auto parts processing market, the concept of environmental protection is deeply rooted in the hearts of the people, and the continuous upgrading and application of technology, there are many types of auto parts. Nowadays, there are more and more brands of cars and more and more types of cars. When processing automobiles, it is often necessary to perform various processes such as welding and grinding on automobile parts. During the processes of welding and grinding automobile parts, it is often necessary to fix the automobile parts.

During grinding in the prior art, due to the irregular shape of the auto parts, irregular-shaped auto parts cannot be fixed very well. They are usually fixed by manual support. Although this fixing method can Completing the grinding work, however, requires a lot of manpower. Therefore, there is an urgent need for a grinding device for automobile parts processing.

Contents of the invention

(1) Technical problems solved

In view of the shortcomings of the existing technology, the present invention provides a grinding device for processing automobile parts, which can clamp, fix and grind irregularly shaped automobile parts.

(2) Technical solutions

In order to achieve the above object, an embodiment of the present application provides a grinding device for automobile parts processing, which includes a workbench. A mounting groove with a U-shaped cross-section is formed in the middle of the workbench, and a pair of pairs are slidably provided in the mounting groove. A support device for supporting auto parts. A compression device for compressing auto parts is provided in the installation slot and on both sides of the support device. The workbench is located on both sides of the installation slot. An end plate is installed at one end; a grinding mechanism for grinding the fixed automobile parts is provided on the workbench and on one side of the installation groove.

Preferably, the grinding mechanism includes a manipulator fixed on the workbench and located on one side of the installation slot. A working motor is fixedly connected to the working section of the manipulator, and a grinding tool is provided on the output shaft of the working motor.

Preferably, the support device is provided with two groups slidably spaced apart, including a U-shaped frame slidably provided in the installation groove, and a first fixing structure for fixing the U-shaped frame is provided on both sides of the installation groove. ; A support platform is provided directly above the U-shaped frame, and a vertical support plate is fixedly provided on one side of the support platform close to the U-shaped frame. Two sets of vertical support plates are arranged in parallel at intervals, so The vertical support plate is in contact with the U-shaped frame and can slide in the vertical direction along the U-shaped frame; a lifting cylinder is fixedly installed on the inside of the U-shaped frame, and the lifting end of the lifting cylinder is connected The support platform.

Preferably, a plurality of support blocks are fixed at intervals on the support platform, and communication holes are provided in the support blocks. The communication holes are arranged vertically and penetrate the support platform; on the vertical support plate A precision support component is fixedly provided, and the support section of the precision support component passes through the communication hole and supports the auto parts above the support block.

Preferably, the precision support assembly includes a horizontal support plate fixed on the upper side of the vertical support plate. An electric cylinder is fixed on a side of the horizontal support plate close to the support platform. The piston end of the electric cylinder A support column is fixed, the support column passes through the communication hole, and one end extending out of the communication hole is threadedly connected with a spherical foot or a flat foot.

Preferably, first vertical chutes are provided on both vertical sides of the U-shaped frame, and two groups of first vertical chutes are provided at intervals on each vertical side; on the vertical support A sliding bar is fixed on the side of the plate away from the lifting cylinder. The sliding bars are arranged vertically, and two groups are arranged at intervals along the horizontal direction. The sliding bars are embedded in the first vertical chute.

Preferably, the first fixed structure is provided with a group on both sides of the installation slot; the first fixed structure includes a slide rail fixed on the workbench, and the slide rail is parallel to the length of the installation slot. direction, a horizontal chute with a T-shaped cross section is provided on the upper side of the slide rail, and a horizontal first positioning plate is integrally formed on the vertical side of the U-shaped frame. The first positioning plate extends horizontally to On the upper side of the slide rail, a T-shaped block is integrally formed on the side of the positioning plate close to the horizontal chute. The T-shaped block is embedded in the horizontal chute and extends along the length of the horizontal chute. sliding in the direction; a first locking plate is formed on the end of the first positioning plate away from the U-shaped frame, and the first locking plate is located on the side of the first positioning plate close to the slide rail. A first threaded hole is provided on the first locking plate, and a first locking screw is threadedly connected to the first threaded hole. When the first locking screw slides into the first threaded hole, it can resist the first locking screw. The outer wall of the slide rail.

Preferably, the pressing device includes a rectangular support frame, with an isolation plate fixed in the vertical direction in the middle of the support frame, and two lifting frames are formed in the support frame and on both sides of the isolation plate. ; A set of lifting assemblies are provided in both lifting frames. A swing arm is connected to the lifting end of the lifting assembly along a vertical axis. One end of the swing arm is away from the support frame and is located on the support frame. On the upper side of the device; one end of the swing arm located on the upper side of the support device is provided with a pressing assembly; and the workbench is provided with a second fixing structure for fixing the support frame.

Preferably, the lifting assembly includes a sliding block. Second vertical chute are respectively provided on both vertical sides of the lifting frame. Slide blocks are integrally formed at both ends of the sliding block. The sliding blocks are embedded in the In the second vertical chute, and sliding vertically along the second vertical chute; a penetrating installation cavity is opened in the horizontal direction on the sliding block, and a vertical installation cavity is formed in the middle of the installation cavity. A straight mounting post, one end of the swing arm is sleeved on the mounting post and swings around the mounting post; a second threaded hole extending through the mounting post is provided on the sliding block in the vertical direction. , the lifting frame is provided with a lifting screw, the lifting screw passes through the second threaded hole and is threadedly connected to the second threaded hole, the upper end of the lifting screw is located outside the lifting frame, and There is a first handwheel attached.

Preferably, a third threaded hole is opened at one end of the swing arm away from the sliding block, the third threaded hole is arranged vertically, and the pressing assembly includes a pressure screw threadedly connected in the third threaded hole. , One end of the pressure screw is located below the swing arm and is connected to a pressure plate, and the other end of the pressure screw is located above the swing arm and is connected to a second handwheel.

Preferably, the second fixing structure includes a limiting plate fixed on the side of the slide rail close to the installation groove, and the limiting plate is located on the side of the first positioning plate close to the workbench, so A limiting groove is formed between the limiting plate and the workbench, and a limiting block is integrally formed on one side of the support frame close to the limiting groove, and the limiting block is slidably connected in the limiting groove; An L-shaped plate is integrally formed on one side of the support frame close to the slide rail. The L-shaped plate crosses the slide rail and fits with the side of the slide rail away from the installation groove. The L-shaped plate A fourth threaded hole is provided on the vertical side of the shaped plate, and a second locking screw is threadedly connected to the fourth threaded hole. The second locking screw can abut the slide when moving into the fourth threaded hole. the outer wall of the rail.

(3) Beneficial effects

The invention provides a grinding device for processing auto parts. When processing auto parts, the auto parts are supported by a supporting device, and the upper side is pressed by a pressing device to form a fixed , on the support device, through the lifting cylinder and the sliding U-shaped frame, when supporting the accessories, the support device can be moved, and the height of the support platform can be adjusted. After adjusting the height, The precision support components provided can support accessories of different shapes, and allow the upper surface of the accessory to be horizontal. It can realize the fixation of accessories with different shapes and regularities, and make the upper end surface form a relatively horizontal plane, which is convenient for grinding and processing.

The invention provides two sets of supporting devices. During processing, the distance between the two sets of supporting devices can be adjusted according to the size of the accessories, thereby enabling clamping and fixing of accessories of different sizes. At the same time, one set of supporting devices can be removed, and the accessories can be fixed through one set of supporting devices and two sets of pressing devices. Specifically, when fixing, different fixing methods can be selected according to the size and shape of the accessories. A set of clamps can be used to fix a variety of accessories of different shapes, which greatly saves the cost of the clamps.

Description of the drawings

Figure 1 is a schematic structural diagram of a grinding device used for automobile parts processing according to the present invention;

Figure 2 is a schematic diagram of a protruding grinding mechanism in a grinding device used for automobile parts processing according to the present invention;

Figure 3 is a schematic structural diagram of a grinding device used for automobile parts processing according to the present invention;

Figure 4 is a schematic diagram of a protruding support device in a grinding device used for automobile parts processing according to the present invention;

Figure 5 is a schematic diagram of a protruding U-shaped frame in a grinding device used for automobile parts processing according to the present invention;

Figure 6 is a schematic diagram of the cooperation between the protruding support platform and the precision support assembly in a grinding device for auto parts processing according to the present invention;

Figure 7 is a schematic diagram of a protruding pressing device in a grinding device used for auto parts processing according to the present invention;

Figure 8 is a cross-sectional view of a protruding pressing device in a grinding device used for automobile parts processing according to the present invention;

Figure 9 is a schematic diagram of a protruding slider in a grinding device used for auto parts processing according to the present invention;

Figure 10 is a schematic diagram of a protruding pressing assembly in a grinding device used for processing automobile parts according to the present invention.

Markings in the attached picture:

100. Workbench; 110. Installation slot; 200. Support device; 210. U-shaped frame; 211. First vertical chute; 220. First fixed structure; 221. Slide rail; 2211. Horizontal chute; 222. First positioning plate; 223, T-shaped block; 224, first locking plate; 225, first threaded hole; 226, first locking screw; 230, support platform; 231, support block; 232, communication hole; 240, vertical Straight support plate; 241, sliding bar; 250, lifting cylinder; 260, precision support component; 261, horizontal support plate; 262, electric cylinder; 263, support column; 264, spherical feet or flat feet; 300, pressing device; 310. Support frame; 311. Isolation plate; 312. Lifting frame; 3121. Second vertical chute; 320. Lifting component; 321. Sliding block; 3211. Installation cavity; 3212. Installation column; 3213. Second threaded hole ; 322. Slider; 323. First handwheel; 324. Lifting screw; 330. Swing arm; 331. Third threaded hole; 340. Pressing component; 341. Pressure screw; 342. Pressure plate; 343. Second Handwheel; 350, second fixed structure; 351, limit plate; 352, limit groove; 353, limit block; 354, L-shaped plate; 3541, fourth threaded hole; 355, second locking screw; 400, End plate; 500, grinding mechanism; 510, manipulator; 520, working motor; 530, grinding tool.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Example 1

The present invention provides a grinding device for automobile parts processing. Refer to Figures 1 to 10. It includes a workbench 100. A mounting groove 110 with a U-shaped cross section is formed in the middle of the workbench 100. A pair of pairs of pairs are slidably provided in the mounting groove 110. The support device 200 for supporting auto parts is provided with a compression device 300 for compressing the auto parts in the installation slot 110 and located on both sides of the support device 200. The support device 300 is installed on the workbench 100 and is located at both ends of the installation slot 110. There are end plates 400.

A grinding mechanism 500 for grinding fixed automobile parts is provided on the workbench 100 and located on one side of the mounting groove 110 . The grinding mechanism 500 includes a manipulator 510 fixed on the workbench 100 and located on one side of the installation groove 110. A working motor 520 is fixedly connected to the working section of the manipulator 510, and a grinding tool 530 is provided on the output shaft of the working motor 520.

When the auto parts need to be polished, the auto parts to be processed are placed on the upper side of the support device 200, and the processed auto parts are pressed by the pressing device 300. After pressing, the grinding tool 530 is controlled by the manipulator 510. Perform sanding.

The support device 200 has two groups slidably arranged at intervals, including a U-shaped frame 210 slidably arranged in the installation groove 110 . A first fixing structure 220 for fixing the U-shaped frame 210 is provided on both sides of the installation groove 110 . During use, after sliding the U-shaped frame 210 to a set position, the U-shaped frame 210 is fixed through the first fixing structure 220 .

A support platform 230 is provided directly above the U-shaped frame 210. A vertical support plate 240 is fixedly provided on one side of the support platform 230 close to the U-shaped frame 210. Two sets of vertical support plates 240 are arranged in parallel at intervals. The vertical support plates 240 is in contact with the U-shaped frame 210 and can slide along the U-shaped frame 210 in the vertical direction.

A lifting cylinder 250 is fixedly installed inside the U-shaped frame 210 , and the lifting end of the lifting cylinder 250 is connected to the support platform 230 . During operation, the lifting cylinder 250 drives the support platform 230 to rise and fall in the vertical direction, so that the support platform 230 can support automobile accessories with different shapes.

A plurality of support blocks 231 are fixed at intervals on the support platform 230. A communication hole 232 is provided in the support block 231. The communication hole 232 is arranged vertically and penetrates the support platform 230; a precision support assembly is fixed on the vertical support plate 240. 260, the support section of the precision support assembly 260 passes through the communication hole 232 and supports the automobile accessories above the support block 231.

The precision support assembly 260 includes a horizontal support plate 261 fixed on the upper side of the vertical support plate 240. An electric cylinder 262 is fixed on one side of the horizontal support plate 261 close to the support platform 230. A support column 263 is fixed on the piston end of the electric cylinder 262. The support column 263 passes through the communication hole 232, and one end extending out of the communication hole 232 is threadedly connected with a spherical leg or a flat leg 264. Through the precision support assembly 260 provided, when supporting auto parts of different shapes, the electric cylinder 262 can be used to control the support column 263 to protrude from the communication hole 232, and the distance of the protrusion can be different, that is, the height of the protrusion can be controlled to suit the auto parts. Different positions can better support different shapes and uneven auto parts.

First vertical chute 211 is provided on both vertical sides of the U-shaped frame 210, and two groups of first vertical chute 211 are provided at intervals on each vertical side. A sliding bar 241 is fixed on the side of the vertical support plate 240 away from the lifting cylinder 250. The sliding bars 241 are arranged vertically, and two groups are arranged at intervals along the horizontal direction. The sliding bars 241 are fitted into the first vertical chute 211. Inside.

A set of first fixing structures 220 are respectively provided on both sides of the mounting groove 110 .

The first fixed structure 220 includes a slide rail 221 fixed on the workbench 100. The slide rail 221 is parallel to the length direction of the installation groove 110. A horizontal slide groove 2211 with a T-shaped cross section is provided on the upper side of the slide rail 221. The U-shaped frame 210 A horizontal first positioning plate 222 is integrally formed on the vertical sides of the positioning plate. The first positioning plate 222 extends horizontally to the upper side of the slide rail 221. A T-shaped block 223 is integrally formed on the side of the positioning plate close to the horizontal slide groove 2211. The T-shaped The block 223 is fitted in the horizontal chute 2211 and slides along the length direction of the horizontal chute 2211 . Through the cooperation of the provided T-shaped horizontal chute 2211 and the T-shaped block 223, the vertical side of the U-shaped frame 210 can be limited, so that the U-shaped frame 210 can only move in the horizontal direction.

A first locking plate 224 is formed on the first positioning plate 222 at one end away from the U-shaped frame 210 . The first locking plate 224 is located on the side of the first positioning plate 222 close to the slide rail 221 . There is a first threaded hole 225, and a first locking screw 226 is threadedly connected to the first threaded hole 225. When the first locking screw 226 slides into the first threaded hole 225, it can press against the outer wall of the slide rail 221. When the U-shaped frame 210 needs to be fixed, the first locking screw 226 is rotated into the first threaded hole 225 so that the first locking screw 226 is pressed against the outer wall of the slide rail 221 , thereby realizing the U-shaped frame 210 . fixed.

The pressing device 300 includes a rectangular support frame 310. An isolation plate 311 is fixed in the middle of the support frame 310 along the vertical direction. Two lifting frames 312 are formed in the support frame 310 and on both sides of the isolation plate 311. A set of lifting components 320 are provided in both lifting frames 312. A swing arm 330 is connected to the lifting end of the lifting component 320 along a vertical axis. One end of the swing arm 330 is away from the support frame 310 and is located on the upper side of the support device 200. The swing arm 330 is provided with a pressing assembly 340 at one end located on the upper side of the supporting device 200 . A second fixing structure 350 for fixing the support frame 310 is provided on the workbench 100 . During operation, the support frame 310 is first controlled to move to a set position in the horizontal direction, and then the support frame 310 is fixed through the second fixing structure 350. After being fixed, the lifting assembly 320 drives the pressing assembly 340 to move in the vertical direction. , until the auto parts are pressed.

The lifting assembly 320 includes a sliding block 321. A second vertical chute 3121 is provided on both vertical sides of the lifting frame 312. A sliding block 322 is integrally formed at both ends of the sliding block 321. The sliding block 322 is embedded in the second vertical sliding block 321. In the chute 3121, and slide vertically along the second vertical chute 3121.

A penetrating installation cavity 3211 is opened in the horizontal direction on the sliding block 321. A vertical installation column 3212 is formed in the middle of the installation cavity 3211. One end of the swing arm 330 is sleeved on the installation column 3212 and swings around the installation column 3212. . The sliding block 321 is provided with a second threaded hole 3213 that penetrates the mounting column 3212 in the vertical direction. The lifting frame 312 is provided with a lifting screw 324 . The lifting screw 324 passes through the second threaded hole 3213 and is connected with the second threaded hole 3213 Threaded connection, the upper end of the lifting screw 324 is located outside the lifting frame 312, and is connected to the first hand wheel 323. When fixing the auto parts, the two sets of swing arms 330 can be rotated to appropriate positions to fix the auto parts. When compressing auto parts, you can choose a relatively flat surface for compression.

A third threaded hole 331 is formed on the end of the swing arm 330 away from the sliding block 321, and the third threaded hole 331 is arranged vertically.

The pressing assembly 340 includes a pressure screw 341 threadedly connected in the third threaded hole 331. One end of the pressure screw 341 is located below the swing arm 330 and is connected to the pressure plate 342. The other end of the pressure screw 341 is located above the swing arm 330, and A second hand wheel 343 is connected. By rotating the second handwheel 343, the pressing screw can be controlled to move in the vertical direction, thereby controlling the pressure plate 342 to press the auto parts.

The second fixed structure 350 includes a limiting plate 351 fixed on the side of the slide rail 221 close to the installation groove 110. The limiting plate 351 is located on the side of the first positioning plate 222 close to the workbench 100. The limiter plate 351 and the workbench 100 A limiting groove 352 is formed therebetween, and a limiting block 353 is integrally formed on one side of the support frame 310 close to the limiting groove 352. The limiting block 353 is slidably connected in the limiting groove 352. Through the formed limiting grooves 352 and limiting blocks 353, the supporting frame 310 can be limited, so that the supporting frame 310 can remain stable during movement in the horizontal direction.

An L-shaped plate 354 is integrally formed on a side of the support frame 310 close to the slide rail 221. The L-shaped plate 354 crosses over the slide rail 221 and fits with the side of the slide rail 221 away from the installation groove 110. The vertical side of the L-shaped plate 354 A fourth threaded hole 3541 is provided, and a second locking screw 355 is threadedly connected to the fourth threaded hole 3541. The second locking screw 355 can contact the outer wall of the slide rail 221 when moving into the fourth threaded hole 3541. When the support frame 310 needs to be fixed, the second locking screw 355 is tightened so that the second locking screw 355 moves into the fourth threaded hole 3541 until it abuts the slide rail 221 .

The invention provides a grinding device for processing auto parts. When processing auto parts, the auto parts are supported by the supporting device 200 provided, and the auto parts are pressed by the pressing device 300 on the upper side, and then the auto parts are pressed. It is fixed on the support device 200 through the lifting cylinder 250 and the sliding U-shaped frame 210. When supporting the accessories, the support device 200 can be moved and the height of the support platform 230 can be adjusted. , after adjusting the height, through the precision support assembly 260 provided, accessories of different shapes can be supported, and the upper surface of the accessory can be made horizontal. It can realize the fixation of accessories with different shapes and regularities, and make the upper end surface form a relatively horizontal plane, which is convenient for grinding and processing.

The present invention provides two sets of supporting devices 200. During processing, the distance between the two sets of supporting devices 200 can be adjusted according to the size of the accessories, thereby enabling clamping and fixing of accessories of different sizes. At the same time, one set of supporting devices 200 can be removed, and the accessories can be fixed through one set of supporting devices 200 and two sets of pressing devices 300 . Specifically, when fixing, different fixing methods can be selected according to the size and shape of the accessories. A set of clamps can be used to fix a variety of accessories of different shapes, which greatly saves the cost of the clamps.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", The orientation or positional relationship indicated by "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have Specific orientations, construction and operation in specific orientations and therefore are not to be construed as limitations of the invention. Furthermore, the terms “first”, “second” and “third” are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Connection, or integral connection, may be a mechanical connection or an electrical connection, may be a direct connection, or may be an indirect connection through an intermediate medium, or may be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis. The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

The above-mentioned embodiments only express the implementation of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the patent scope of the present invention. It should be noted that, for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the patent of the present invention should be determined by the appended claims.

Claims (10)

1. A grinding device for automobile parts processing, characterized by: including a workbench (100), a mounting groove (110) with a U-shaped cross section formed in the middle of the workbench (100), and in the mounting groove (100) A support device (200) is slidably provided in the 110) to support the auto parts. In the mounting groove (110) and on both sides of the support device (200), there are presses for compressing the auto parts. Tightening device (300), end plates (400) are installed on the workbench (100) and located at both ends of the installation slot (110); A grinding mechanism (500) for grinding fixed automobile parts is provided on the workbench (100) and located on one side of the mounting groove (110). 2. A grinding device for automobile parts processing according to claim 1, characterized in that: the grinding mechanism (500) includes a The manipulator (510) on the side has a working motor (520) fixedly connected to the working section of the manipulator (510), and a grinding tool (530) is provided on the output shaft of the working motor (520). 3. A grinding device for automobile parts processing according to claim 2, characterized in that: the support device (200) is provided with two groups slidingly spaced apart, including slidingly provided in the installation groove (110). A U-shaped frame (210), with first fixing structures (220) for fixing the U-shaped frame (210) provided on both sides of the mounting groove (110); A support platform (230) is provided directly above the U-shaped frame (210), and a vertical support plate (240) is fixedly provided on one side of the support platform (230) close to the U-shaped frame (210). Two groups of vertical support plates (240) are arranged in parallel at intervals. The vertical support plates (240) are in contact with the U-shaped frame (210) and can be moved vertically along the U-shaped frame (210). Slide in straight direction; A lifting cylinder (250) is fixedly installed inside the U-shaped frame (210), and the lifting end of the lifting cylinder (250) is connected to the support platform (230). 4. A grinding device for automobile parts processing according to claim 3, characterized in that: a plurality of support blocks (231) are fixed at intervals on the support platform (230), and the support blocks (231) ) is provided with a communication hole (232), the communication hole (232) is arranged vertically and penetrates the support platform (230); A precision support component (260) is fixedly provided on the vertical support plate (240). The support section of the precision support component (260) passes through the communication hole (232) and is opposite to the support block (231). Car accessories above for support; The precision support assembly (260) includes a horizontal support plate (261) fixed on the upper side of the vertical support plate (240), on a side of the horizontal support plate (261) close to the support platform (230) An electric cylinder (262) is fixed, and a support column (263) is fixed at the piston end of the electric cylinder (262). The support column (263) passes through the communication hole (232) and extends out of the communication hole. One end of (232) is threadedly connected with spherical feet or flat feet (264). 5. A grinding device for automobile parts processing according to claim 3, characterized in that: first vertical chute (211) is provided on both vertical sides of the U-shaped frame (210), The first vertical chute (211) is provided with two groups at intervals on each vertical side; A sliding bar (241) is fixed on the side of the vertical support plate (240) away from the lifting cylinder (250). The sliding bar (241) is installed vertically, and two groups are spaced apart along the horizontal direction. , the sliding bar (241) is embedded in the first vertical slide groove (211). 6. A grinding device for automobile parts processing according to claim 3, characterized in that: the first fixed structure (220) is provided with a group on both sides of the mounting groove (110); The first fixed structure (220) includes a slide rail (221) fixed on the workbench (100). The slide rail (221) is parallel to the length direction of the installation groove (110). (221) A horizontal chute (2211) with a T-shaped cross section is provided on the upper side, and a horizontal first positioning plate (222) is integrally formed on the vertical side of the U-shaped frame (210). The positioning plate (222) extends horizontally to the upper side of the slide rail (221). A T-shaped block (223) is integrally formed on the side of the positioning plate close to the horizontal slide (2211). The T-shaped block (223) 223) Fit into the horizontal chute (2211) and slide along the length direction of the horizontal chute (2211); A first locking plate (224) is formed on the first positioning plate (222) and at one end away from the U-shaped frame (210). The first locking plate (224) is located on the first positioning plate (210). 222) On the side close to the slide rail (221), a first threaded hole (225) is opened on the first locking plate (224), and the first threaded hole (225) is internally threadedly connected with a first threaded hole (225). Locking screw (226), when the first locking screw (226) slides into the first threaded hole (225), it can press against the outer wall of the slide rail (221). 7. A grinding device for automobile parts processing according to claim 6, characterized in that: the pressing device (300) includes a rectangular support frame (310), and the support frame (310) An isolation plate (311) is fixedly installed in the middle along the vertical direction, and two lifting frames (312) are formed in the support frame (310) and on both sides of the isolation plate (311); A set of lifting assemblies (320) are provided in both lifting frames (312). A swing arm (330) is rotatably connected to the lifting end of the lifting assembly (320) along the vertical axis. The swing arm (330) is 330) One end is away from the support frame (310) and located on the upper side of the support device (200); A pressing assembly (340) is provided at one end of the swing arm (330) located on the upper side of the supporting device (200); The workbench (100) is provided with a second fixing structure (350) for fixing the support frame (310). 8. A grinding device for automobile parts processing according to claim 7, characterized in that: the lifting assembly (320) includes a sliding block (321), and the vertical sides of the lifting frame (312) A second vertical chute (3121) is provided respectively. A slide block (322) is integrally formed at both ends of the sliding block (321). The slide block (322) is embedded in the second vertical chute. (3121), and slide vertically along the second vertical chute (3121); A penetrating installation cavity (3211) is opened in the horizontal direction on the sliding block (321), and a vertical installation column (3212) is formed in the middle of the installation cavity (3211). The swing arm (330) One end is sleeved on the mounting post (3212) and swings around the mounting post (3212); A second threaded hole (3213) extending through the mounting post (3212) is opened in the vertical direction on the sliding block (321); The lifting frame (312) is provided with a lifting screw (324). The lifting screw (324) passes through the second threaded hole (3213) and is threadedly connected to the second threaded hole (3213). The upper end of the lifting screw (324) is located outside the lifting frame (312) and is connected to a first handwheel (323). 9. A grinding device for automobile parts processing according to claim 8, characterized in that a third threaded hole (331) is opened at one end of the swing arm (330) away from the sliding block (321). , the third threaded hole (331) is arranged vertically, the pressing assembly (340) includes a pressure screw (341) threadedly connected in the third threaded hole (331), the pressure screw (341) One end of the pressure screw (341) is located below the swing arm (330) and is connected to a pressure plate (342). The other end of the pressure screw (341) is located above the swing arm (330) and is connected to a second handwheel (343). ). 10. A grinding device for automobile parts processing according to claim 7, characterized in that: the second fixing structure (350) includes a component fixed on the slide rail (221) close to the installation groove (110). ), the limiting plate (351) is located on the side of the first positioning plate (222) close to the workbench (100), the limiting plate (351) and A limiting groove (352) is formed between the worktables (100), and a limiting block (353) is integrally formed on one side of the supporting frame (310) close to the limiting groove (352). (353) is slidingly connected in the limiting groove (352); An L-shaped plate (354) is integrally formed on one side of the support frame (310) close to the slide rail (221). The L-shaped plate (354) crosses the slide rail (221) and is connected with the slide rail (221). The rail (221) fits on the side away from the installation groove (110). A fourth threaded hole (3541) is provided on the vertical side of the L-shaped plate (354). The fourth threaded hole (3541) A second locking screw (355) is threadedly connected, and the second locking screw (355) can abut the outer wall of the slide rail (221) when moving into the fourth threaded hole (3541).