A parts polishing device with a clamping structure for producing semi-trailers

Abstract

The present invention discloses a parts polishing device with a clamping structure for producing semi-trailers, comprising a polishing workbench, wherein the top of the polishing workbench is fixedly connected to an upper polishing component, the top of the polishing workbench is fixedly connected to a profiling guide channel, and the inside of the profiling guide channel is slidably connected to a side polishing module, and five inner clamping modules are provided above the polishing workbench and located on the inner side of the profiling guide channel. In the present invention, the clamping seat and the transverse clamping head are tightly clamped together, so as to realize the positioning combination of the inner and outer splints, and the positions of the inner and outer splints can be changed by the operation of the cylinder, and the inner and outer splints are adjusted to positions suitable for the size of the saddle body top cover plate, thereby achieving the effect of flexibly changing the positions of the inner and outer splints and the shapes formed by the matching. The five inner clamping modules and the five outer clamping modules cooperate to achieve the effect of simultaneously clamping and fixing different areas of the saddle body top cover plate from the inside and the outside.

Description

Technical Field

[0001] The invention relates to the technical field of semi-trailer parts processing, in particular to a parts polishing device with a clamping structure used for producing semi-trailers. Background Art

[0002] Semi-trailers are used to transport large-volume cargo. There is a semi-trailer saddle in the front area of ​​the semi-trailer. The semi-trailer saddle is a key component used to connect the tractor to the semi-trailer. The semi-trailer saddle consists of a saddle body, a bracket, a pull rod, an inclined iron and a lock hook. During the production process of the semi-trailer, the top cover of the saddle body will be polished to ensure the smooth use of the semi-trailer saddle body. When polishing the saddle body top cover, the operator will use a clamp to clamp the side of the saddle body top cover from the outside, first fix the saddle body top cover on the top of the polishing table, and then operate the polishing mechanism to Polish the surface and side edges of the saddle top cover plate. The structure of the saddle top cover plate is similar to a horseshoe shape, and the side edges of the saddle top cover plate are curved. The fixing effect of the saddle top cover plate by only clamping it from the outside is insufficient. The saddle top cover plate is clamped and fixed in the fixture. The saddle top cover plate is positioned at a specified position in the fixture. The clamping part of the fixture will block the side edges of the saddle top cover plate, which will hinder the operator from operating the grinding and polishing mechanism to polish the side edges and bottom corners of the saddle top cover plate, affecting the smoothness of the operator's operation of the grinding and polishing mechanism to grind and polish the side edges and bottom corners of the saddle top cover plate. Summary of the Invention

[0003] The purpose of the present invention is to provide a component polishing device with a clamping structure for producing semi-trailers, so as to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A polishing device for parts with a clamping structure for producing semi-trailers, comprising a polishing workbench, the top of which is fixedly connected to an upper polishing component, the top of which is fixedly connected to a profiling guide channel, the inside of which is slidably connected to a side polishing module, five inner clamping modules located inside the profiling guide channel are provided above the polishing workbench, a combination plate for connecting the inner clamping modules is provided on the top of the polishing workbench, the bottom surface of the polishing workbench is fixedly connected to a lifting drive member, the output end of the lifting drive member is fixedly connected to the bottom of the combination plate, and the top of the polishing workbench is slidably connected to five outer clamping modules corresponding to the inner clamping modules; the side polishing module comprises a self-propelled movable seat, a drive motor, a grinding and polishing vertical roller and a grinding and polishing chassis, the self-propelled movable seat slides Connected to the inside of the contoured guide channel, the driving motor is fixedly connected to the top of the self-propelled moving seat, the grinding and polishing vertical roller is fixedly connected to the output end of the driving motor, and the grinding and polishing chassis is fixedly connected to the bottom end of the grinding and polishing vertical roller; the inner clamping module includes a cylinder, an inner clamping plate and a holder, the cylinder is fixedly connected to the top of the combination plate, the inner clamping plate is fixedly connected to the output end of the cylinder, the outer clamping module includes a connecting plate, an outer clamping plate, a T-shaped moving block and a transverse clamping head, the connecting plate is slidably connected to the top of the polishing workbench, the outer clamping plate is fixedly connected to the top of the connecting plate, the holder is fixedly connected to the bottom of the inner clamping plate, the transverse clamping head is fixedly connected to one end of the connecting plate close to the inner clamping module and is used to connect the holder, and the transverse clamping head is engaged with the holder.

[0006] Furthermore: the five inner clamping modules are distributed in a pentagonal shape, the grinding and polishing vertical roller, the inner clamping plate and the outer clamping plate are all located on the inner side of the contoured guide channel, and the grinding and polishing chassis is located above the outer clamping plate.

[0007] Furthermore: the interior of the contoured guide channel is fixedly connected to an inner guide rail, the self-propelled movable seat is slidably connected to the outside of the inner guide rail, an upper through groove is provided at the top of the contoured guide channel, and a lower through groove is provided at the bottom of the contoured guide channel, which is located directly below the upper through groove.

[0008] Furthermore: five T-shaped guide grooves corresponding to the five inner clamping modules are opened on the top of the polishing workbench, the T-shaped moving block is fixedly connected to the bottom of the connecting plate, and the T-shaped moving block is slidably connected to the inside of the corresponding T-shaped guide groove.

[0009] Furthermore: a guide block is fixedly connected to the bottom of the card holder, and the guide block is slidably connected to the inside of the corresponding T-shaped guide groove. The head end of the guide block is flush with the inner groove wall of the card holder, and the tail end of the guide block is located below the combination plate.

[0010] Furthermore: a contact sensing module is fixedly connected to the top of the inner splint, and the top of the contact sensing module is flush with the top of the inner splint.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. The present invention provides five combined inner clamping modules to press against the inner wall of the saddle top cover plate from the inner side of the saddle top cover plate, and the five outer clamping modules corresponding to the inner clamping modules can press against the outer wall of the saddle top cover plate from the outer side of the saddle top cover plate, and the clamping seat and the transverse clamping head are tightly engaged together, so as to realize the positioning combination of the inner and outer splints. The positions of the inner and outer splints can be changed by the operation of the cylinder, and the inner and outer splints can be adjusted to positions suitable for the size of the saddle top cover plate, thereby achieving the effect of flexibly changing the positions of the inner and outer splints and the shapes formed by the combination. The five inner clamping modules and the five outer clamping modules cooperate to achieve the effect of clamping and fixing different areas of the saddle top cover plate from the inside and the outside at the same time, which can enhance the clamping and fixing effect of the saddle top cover plate.

[0013] 2. The present invention provides a contoured guide channel fixed on the top of the polishing workbench, which can guide and drive the side polishing module to move along the edge contour of the saddle top cover plate after clamping and fixing the side of the saddle top cover plate. The grinding and polishing vertical roller and the grinding and polishing chassis above the outer clamping plate rotate and move along the side of the saddle top cover plate, thereby achieving the grinding and polishing of the upper half of the side of the saddle top cover plate. After the side polishing module moves one round, the lifting drive member at the bottom of the polishing workbench operates to make the combined plate and the five inner clamping plates move smoothly. The module rises, and the five inner clamps can push up the lower half of the side of the saddle top cover plate to the grinding and polishing vertical roller, so as to achieve the effect of lifting and re-clamping the saddle top cover plate. The grinding and polishing vertical roller and the grinding and polishing chassis cooperate to achieve the effect of accurately and effectively grinding and polishing the side and bottom corners of the saddle top cover plate. The operation is highly convenient, and can eliminate the obstruction when grinding and polishing the side and bottom corners of the saddle top cover plate, thereby improving the smoothness of the grinding and polishing operation of the side and bottom corners of the saddle top cover plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments, the drawings in the embodiments are briefly introduced below.

[0015] Figure 1 This is a schematic diagram of the structure of a component polishing device with a clamping structure for producing semi-trailers;

[0016] Figure 2 for Figure 1 Structural diagram from another perspective;

[0017] Figure 3This is a schematic cross-sectional view of a component polishing device with a clamping structure for producing semi-trailers;

[0018] Figure 4 This is a schematic diagram of the structure of a polishing workbench in a parts polishing device with a clamping structure for producing semi-trailers;

[0019] Figure 5 This is a structural schematic diagram of a contoured guide channel, an inner clamping module, and an outer clamping module in a parts polishing device with a clamping structure for producing semi-trailers;

[0020] In the figure: 1. Polishing workbench; 11. Upper polishing part; 12. T-shaped guide groove; 13. Lifting drive member; 2. Contour guide channel; 21. Inner guide rail; 22. Upper through groove; 23. Lower through groove; 3. Side polishing module; 31. Self-propelled moving seat; 32. Drive motor; 33. Grinding and polishing vertical roller; 34. Grinding and polishing chassis; 4. Inner clamping module; 41. Cylinder; 42. Inner clamping plate; 43. Clamping seat; 431. Guide block; 5. Combination plate; 6. Outer clamping module; 61. Connecting plate; 62. Outer clamping plate; 63. T-shaped moving block; 64. Horizontal clamping head; 7. Contact sensing module. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Figures 1 to 5 The detailed description of the structure will clearly show that the structural contents mentioned in the following embodiments are all based on the accompanying drawings.

[0022] See also Figures 1 to 5In an embodiment of the present invention, a polishing device for parts with a clamping structure for producing semi-trailers includes a polishing workbench 1, an upper polishing component 11 is fixedly connected to the top of the polishing workbench 1, a profiling guide channel 2 is fixedly connected to the top of the polishing workbench 1, a side polishing module 3 is slidably connected to the inside of the profiling guide channel 2, five inner clamping modules 4 are provided above the polishing workbench 1 and are located on the inner side of the profiling guide channel 2, a combination plate 5 for connecting the inner clamping modules 4 is provided on the top of the polishing workbench 1, a lifting drive member 13 is fixedly connected to the bottom surface of the polishing workbench 1, the output end of the lifting drive member 13 is fixedly connected to the bottom of the combination plate 5, five outer clamping modules 6 corresponding to the inner clamping modules 4 are slidably connected to the top of the polishing workbench 1, and the side polishing module 3 includes a self-propelled moving seat 31, a drive motor 32, a grinding and polishing vertical roller 33 and a grinding and polishing chassis 34, a self-propelled moving seat 31 is slidably connected inside the contour guide channel 2, the driving motor 32 is fixedly connected to the top of the self-propelled moving seat 31, the grinding and polishing vertical roller 33 is fixedly connected to the output end of the driving motor 32, and the grinding and polishing chassis 34 is fixedly connected to the bottom end of the grinding and polishing vertical roller 33. The inner clamping module 4 includes a cylinder 41, an inner splint 42 and a holder 43. The cylinder 41 is fixedly connected to the top of the combination plate 5, and the inner splint 42 is fixedly connected to the output end of the cylinder 41. The outer clamping module 6 includes a connecting plate 61, an outer splint 62, a T-shaped moving block 63 and a transverse clamping head 64. The connecting plate 61 is slidably connected to the top of the polishing workbench 1, the outer splint 62 is fixedly connected to the top of the connecting plate 61, the holder 43 is fixedly connected to the bottom of the inner splint 42, and the transverse clamping head 64 is fixedly connected to one end of the connecting plate 61 close to the inner clamping module 4 and is used to connect the holder 43. The transverse clamping head 64 is engaged with the holder 43.

[0023] Example

[0024] The polishing workbench 1 serves to connect other parts of the device. The polishing workbench 1 stands steadily on the ground. The top of the polishing workbench 1 is used to place the saddle top cover to be polished. The top of the polishing workbench 1 is fixedly connected to the upper polishing component 11, and the upper polishing component 11 is used to grind and polish the upper surface of the saddle top cover. Five inner clamping modules 4 located on the inner side of the contoured guide channel 2 are arranged above the polishing workbench 1. The five inner clamping modules 4 are distributed in a pentagonal shape. A combination plate 5 is provided on the top of the polishing workbench 1. The combination plate 5 is located below the inner clamping module 4. The combination plate 5 is used to connect the five inner clamping modules 4. The bottom surface of the polishing workbench 1 is fixedly connected to a lifting drive member 13, and the output end of the lifting drive member 13 is fixedly connected to the combination plate 5, realizes the connection combination of the combination plate 5 and the polishing workbench 1, and the combination plate 5 can be lifted and lowered above the polishing workbench 1 under the action of the lifting drive member 13, thereby achieving the effect of lifting and adjusting the combination plate 5 and the five inner clamping modules 4. The inner clamping module 4 includes a cylinder 41, an inner clamping plate 42 and a holder 43. The cylinder 41 is fixedly connected to the top of the combination plate 5, the inner clamping plate 42 is fixedly connected to the output end of the cylinder 41, and the holder 43 is fixedly connected to the bottom of the inner clamping plate 42, thereby achieving the effect of stably connecting the combined inner clamping module 4 and the combination plate 5. The cylinder 41 changes the position of the inner clamping plate 42 so that the inner clamping plate 42 can be pressed against the inner side wall of the saddle top cover plate from the inner side of the saddle top cover plate, thereby achieving the tightening of the saddle top cover plate from the inside.

[0025] The top of the polishing workbench 1 is slidably connected to five outer clamping modules 6 corresponding to the inner clamping modules 4. The outer clamping module 6 includes a connecting plate 61, an outer clamping plate 62, a T-shaped moving block 63 and a transverse clamping head 64. The connecting plate 61 is slidably connected to the top of the polishing workbench 1, the outer clamping plate 62 is fixedly connected to the top of the connecting plate 61, and the transverse clamping head 64 is fixedly connected to one end of the connecting plate 61 close to the inner clamping module 4. The top of the polishing workbench 1 is provided with five T-shaped guide grooves 12 corresponding to the five inner clamping modules 4. The T-shaped moving block 63 is fixedly connected to the bottom of the connecting plate 61, and the T-shaped moving block 63 is slidably connected to the corresponding T-shaped guide groove 12, realizing the sliding connection between the outer clamping module 6 and the polishing workbench 1, and the transverse clamping head 64 is used to connect the card seat 43. The transverse clamping head 64 and the card seat 43 are connected in a card-engaging manner. The card seat 43 and the transverse clamping head 64 are tightly clamped together, and the cooperation between the transverse clamping head 64 and the card seat 43 can The inner clamping module 4 is connected to realize the positioning combination of the inner clamping plate 42 and the outer clamping plate 62. The five outer clamping plates 62 are pressed against the outer wall of the saddle body top cover plate from the outside, realizing the clamping of the saddle body top cover plate from the outside. The clamping positioning area of ​​the saddle body top cover plate is clamped in the clamping space between the designated inner clamping plate 42 and the outer clamping plate 62, achieving the effect of clamping and fixing the saddle body top cover plate. The outer clamping module 6 is connected to the corresponding inner clamping module 4, and the operation of the cylinder 41 can change the The positions of the inner and outer splints 42 and 62 are adjusted to positions that match the size of the saddle top cover plate, achieving the effect of flexibly changing the positions of the inner and outer splints 42 and 62 and the shapes of the matching components. The five inner clamping modules 4 and the five outer clamping modules 6 cooperate with each other to clamp and fix different areas of the side of the saddle top cover plate, achieving the effect of clamping and fixing different areas of the saddle top cover plate from the inside and outside at the same time, which can enhance the clamping and fixing effect of the saddle top cover plate.

[0026] The top of the polishing workbench 1 is fixedly connected to the profiling guide channel 2, and the side polishing module 3 is slidably connected inside the profiling guide channel 2. The side polishing module 3 includes a self-propelled movable seat 31, a drive motor 32, a grinding and polishing vertical roller 33 and a grinding and polishing chassis 34. The self-propelled movable seat 31 is slidably connected to the inside of the profiling guide channel 2, the drive motor 32 is fixedly connected to the top of the self-propelled movable seat 31, the grinding and polishing vertical roller 33 is fixedly connected to the output end of the drive motor 32, and the grinding and polishing chassis 34 is fixedly connected to the bottom end of the grinding and polishing vertical roller 33, realizing the sliding connection between the side polishing module 3 and the profiling guide channel 2, the profiling guide channel 2 is fixedly connected to the inner guide rail 21, and the self-propelled movable seat 31 is slidably connected to the outside of the inner guide rail 21 The inner guide rail 21 can guide the self-propelled movable seat 31 to move inside the profiling guide channel 2. The polishing vertical roller 33, the inner splint 42 and the outer splint 62 are all located on the inner side of the profiling guide channel 2. The polishing chassis 34 is located above the outer splint 62. The side polishing module 3 can move along the edge contour of the saddle top cover plate on the side of the clamped and fixed saddle. The self-propelled movable seat 31 guided to move inside the profiling guide channel 2 moves together with the driving motor 32 and the polishing vertical roller 33. The polishing vertical roller 33 and the polishing chassis 34 move along the side of the saddle top cover plate on the inner side of the profiling guide channel 2. The polishing vertical roller 33 and the polishing chassis 34 rotate and move along the side of the saddle top cover plate. , the grinding and polishing of the upper half of the side edge of the saddle top cover plate is realized, the side polishing module 3 stops working after moving one round, the cylinder 41 operates to make the inner splint 42 move inward and separate from the inner side wall of the saddle top cover plate, and the lifting drive 13 fixed on the bottom surface of the polishing workbench 1 can operate to make the combined plate 5 and the five inner clamping modules 4 make an upward movement, the clamping seat 43 can be separated from the horizontal clamping head 64, to ensure that the inner clamping module 4 can smoothly make an upward movement together with the combined plate 5 without affecting the subsequent use of the inner clamping module 4, the five inner splints 42 rise on the inner side of the saddle top cover plate, and the top of the five inner splints 42 can push the saddle top cover plate after contacting the top inner wall of the saddle top cover plate, and lift the lower half of the side of the saddle top cover plate to the grinding and polishing vertical roller. At 33, the cylinder 41 works again to make the inner clamping plate 42 tighten and fix the saddle body top cover plate again, achieving the effect of lifting and re-clamping and fixing the saddle body top cover plate, and the side polishing module 3 moves along the edge contour of the saddle body top cover plate, and the polishing vertical roller 33 polishes the lower half of the side of the saddle body top cover plate, and the polishing chassis 34 polishes the bottom side corners of the saddle body top cover plate. The polishing vertical roller 33 and the polishing chassis 34 realize the polishing of the lower half of the side of the saddle body top cover plate and the bottom side corners, and the operation is convenient, achieving the effect of accurately and effectively polishing the side and bottom side corners of the saddle body top cover plate, and can eliminate the obstacles encountered when polishing the side and bottom side corners of the saddle body top cover plate.To improve the smoothness of grinding and polishing the side and bottom corners of the saddle body top cover, an upper through groove 22 is opened at the top of the profiling guide channel 2, and a lower through groove 23 is opened at the bottom of the profiling guide channel 2, which is located directly below the upper through groove 22, so that the side polishing module 3 can move smoothly along the edge contour of the saddle body top cover.

[0027] A guide block 431 is fixedly connected to the bottom of the base 43, and the guide block 431 is slidably connected to the inside of the corresponding T-shaped guide groove 12. The guide block 431 can be smoothly separated from the inside of the T-shaped guide groove 12 to ensure that the inner clamping module 4 can smoothly make an upward movement together with the combination plate 5. The head end of the guide block 431 is flush with the inner groove wall of the base 43 and will not affect the connection combination of the horizontal clamping head 64 and the base 43. The tail end of the guide block 431 is located below the combination plate 5. When the inner splint 42 moves, the guide block 431 will move along the bottom of the combination plate 5, thereby achieving the effect of improving the movement stability of the inner splint 42.

[0028] A contact sensing module 7 is fixedly connected to the top of the inner splint 42. The top of the contact sensing module 7 is flush with the top of the inner splint 42. The contact sensing module 7 rises together with the inner splint 42. When the top of the inner splint 42 contacts the inner wall of the top of the saddle body top cover, the contact sensing module 7 receives tactile feedback. After the contact sensing modules 7 on the tops of the five inner splints 42 all contact the inner wall of the top of the saddle body top cover and receive tactile feedback, the cylinder 41 operates again to tighten and fix the inner splint 42 to the saddle body top cover again, which can improve the stability of the subsequent lifting of the saddle body top cover.

[0029] The working principle of the present invention is as follows: the inner plywood 42 and the outer plywood 62 move outward to a position adapted to the size of the saddle top cover plate, and the clamping positioning area of ​​the saddle top cover plate is stuck in the clamping space between the specified inner plywood 42 and the outer plywood 62, and the outer plywood 62 clamps the outer wall of the saddle top cover plate from the outside of the saddle top cover plate, and the cylinder 41 operates to make the inner plywood 42 press against the inner side wall of the saddle top cover plate from the inside of the saddle top cover plate, clamping and fixing the saddle top cover plate on the inner side of the contoured guide channel 2, and the side polishing module 3 moves along the edge contour of the saddle top cover plate after being clamped and fixed, and the polishing vertical roller 33 and the polishing chassis 34 rotate and move along the side of the saddle top cover plate to polish the upper half of the side of the saddle top cover plate, and the side polishing module 3 stops working after moving one round, and the cylinder 41 operates to make the inner plywood 42 move inward and close to the saddle top cover plate The inner side wall of the saddle body is separated, and the lifting drive part 13 operates to make the combined plate 5 and the five inner clamping modules 4 make an ascending action, and the clamping seat 43 is separated from the horizontal clamping head 64. After the top of the five inner splints 42 contacts the top inner wall of the saddle body top cover plate, the cylinder 41 operates again to make the inner splint 42 tighten and fix the saddle body top cover plate again, and the five inner splints 42 continue to rise to push the saddle body top cover plate, and lift the lower half of the side of the saddle body top cover plate to the grinding and polishing vertical roller 33. The side polishing module 3 moves along the edge contour of the saddle body top cover plate, and the grinding and polishing vertical roller 33 grinds and polishes the lower half of the side of the saddle body top cover plate, and the grinding and polishing chassis 34 grinds and polishes the bottom side corners of the saddle body top cover plate. The upper polishing component 11 operates to grind and polish the upper surface of the saddle body top cover plate, completing the grinding and polishing operations on the upper surface, side and bottom side corners of the saddle body top cover plate.

[0030] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A polishing device for parts with a clamping structure for producing semi-trailers, comprising a polishing workbench (1), wherein an upper polishing component (11) is fixedly connected to the top of the polishing workbench (1), characterized in that: The top of the polishing table (1) is fixedly connected to a profiling guide channel (2), and the inside of the profiling guide channel (2) is slidably connected to a side polishing module (3). Five inner clamping modules (4) located inside the profiling guide channel (2) are provided above the polishing table (1). A combination plate (5) for connecting the inner clamping modules (4) is provided on the top of the polishing table (1). A lifting drive member (13) is fixedly connected to the bottom surface of the polishing table (1), and the output end of the lifting drive member (13) is fixedly connected to the bottom of the combination plate (5). Five outer clamping modules (6) corresponding to the inner clamping modules (4) are slidably connected to the top of the polishing table (1); The side polishing module (3) comprises a self-propelled movable seat (31), a driving motor (32), a grinding and polishing vertical roller (33) and a grinding and polishing chassis (34); the self-propelled movable seat (31) is slidably connected to the inside of the contoured guide channel (2); the driving motor (32) is fixedly connected to the top of the self-propelled movable seat (31); the grinding and polishing vertical roller (33) is fixedly connected to the output end of the driving motor (32); and the grinding and polishing chassis (34) is fixedly connected to the bottom end of the grinding and polishing vertical roller (33); The inner clamping module (4) comprises a cylinder (41), an inner clamping plate (42) and a clamping seat (43), wherein the cylinder (41) is fixedly connected to the top of the combined plate (5), and the inner clamping plate (42) is fixedly connected to the output end of the cylinder (41). The outer clamping module (6) comprises a connecting plate (61), an outer clamping plate (62), a T-shaped moving block (63) and a transverse clamping head (64), wherein the connecting plate (61) is slidably connected to the top of the polishing workbench (1), the outer clamping plate (62) is fixedly connected to the top of the connecting plate (61), the clamping seat (43) is fixedly connected to the bottom of the inner clamping plate (42), the transverse clamping head (64) is fixedly connected to one end of the connecting plate (61) close to the inner clamping module (4) and is used to connect the clamping seat (43), and the transverse clamping head (64) is engaged with the clamping seat (43).

2. A component polishing device with a clamping structure for producing a semi-trailer according to claim 1, characterized in that: The five inner clamping modules (4) are distributed in a pentagonal shape, the grinding and polishing vertical roller (33), the inner clamping plate (42) and the outer clamping plate (62) are all located inside the contoured guide channel (2), and the grinding and polishing chassis (34) is located above the outer clamping plate (62).

3. The polishing device for parts with a clamping structure for producing semi-trailers according to claim 1, characterized in that: The contoured guide channel (2) is fixedly connected to an inner guide rail (21), the self-propelled movable seat (31) is slidably connected to the outside of the inner guide rail (21), an upper through groove (22) is provided at the top of the contoured guide channel (2), and a lower through groove (23) located directly below the upper through groove (22) is provided at the bottom of the contoured guide channel (2).

4. The polishing device for parts with a clamping structure for producing semi-trailers according to claim 1, characterized in that: The top of the polishing workbench (1) is provided with five T-shaped guide grooves (12) corresponding to the five inner clamping modules (4), and the T-shaped moving block (63) is fixedly connected to the bottom of the connecting plate (61), and the T-shaped moving block (63) is slidably connected to the inside of the corresponding T-shaped guide grooves (12).

5. The polishing device for parts with a clamping structure for producing semi-trailers according to claim 4, characterized in that: A guide block (431) is fixedly connected to the bottom of the card seat (43), and the guide block (431) is slidably connected to the inside of the corresponding T-shaped guide groove (12). The head end of the guide block (431) is flush with the inner groove wall of the card seat (43), and the tail end of the guide block (431) is located below the combined plate (5).

6. The polishing device for parts with a clamping structure for producing semi-trailers according to claim 1, characterized in that: A contact sensing module (7) is fixedly connected to the top of the inner clamping plate (42), and the top of the contact sensing module (7) is flush with the top of the inner clamping plate (42).

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