Surface polishing device for mold manufacturing

By designing a surface polishing device for mold manufacturing including a polishing mechanism, a clamping mechanism and an adjustment mechanism, the problem of rapid adjustment of the polishing equipment in the prior art is solved, efficient polishing and dust collection for molds of different lengths is realized, and working efficiency is improved.

CN119550208AInactive Publication Date: 2025-03-04KUNMING SHANKENG MACHINERY CO LTD
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Patent Information

Application Number
CN202411745425.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-03-04
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing surface polishing device cannot quickly and conveniently adjust the position of the polishing equipment, resulting in the inability to polish and polish the mold quickly and easily, reducing work efficiency.

Method used

A surface polishing device for mold manufacturing is designed, including a polishing mechanism, a clamping mechanism and an adjustment mechanism. The polishing mechanism realizes rapid adjustment of the polishing equipment through the combination of a motor, a threaded rod and a moving plate; the clamping mechanism realizes rapid clamping and adjustment of the mold by placing the plate, a guide rod and a bidirectional threaded rod; the adjustment mechanism realizes rapid adjustment of the placement of the plate through the motor, a threaded rod and a sliding plate.

Benefits of technology

The rapid adjustment of the polishing equipment is achieved, and it can better polish molds of different lengths can improve work efficiency. Through the design of the vacuum cleaner and filter net, dust and impurities can be quickly collected, further improving the use effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of mold manufacturing, in particular to a surface polishing device for mold manufacturing, which comprises a working box and a bottom plate, a polishing structure is arranged above the working box, and the polishing structure comprises a polishing mechanism, a clamping mechanism and an adjusting mechanism; and the polishing mechanism comprises a protective cover, a mounting plate, a first motor, a first threaded rod and a first moving plate, and the inner wall of the protective cover is connected with one side of the mounting plate. According to the surface polishing device for mold manufacturing, the position of polishing equipment can be rapidly and conveniently adjusted, and dust generated in the grinding and polishing process can be collected; according to the surface polishing device, the problems that when a mold is polished through polishing equipment, due to the fact that the polishing equipment is fixedly installed on surface polishing equipment, the position of the polishing equipment cannot be adjusted rapidly and conveniently, and then the mold cannot be polished and ground rapidly and conveniently are solved, and the working efficiency of the surface polishing device is improved.
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Description

Technical Field

[0001] The invention relates to the technical field of mold manufacturing, in particular to a surface polishing device for mold manufacturing. Background Art

[0002] For molds, the last key process in production and maintenance is polishing. The smoothness of the mold surface directly affects the surface quality of the product, so surface polishing equipment is needed to produce and process the mold.

[0003] When using the existing surface polishing device, the mold is usually placed on the surface polishing device for clamping and fixing before polishing. However, in actual use, the mold is polished by the polishing device. Since the polishing device is fixedly installed on the surface polishing device, it is impossible to quickly and conveniently adjust the position of the polishing device, which in turn makes it impossible to quickly and conveniently polish and grind the mold, thereby reducing the working efficiency of the surface polishing device. Summary of the invention

[0004] The object of the present invention is to provide a surface polishing device for mold manufacturing to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a surface polishing device for mold manufacturing, comprising a working box and a bottom plate, wherein a polishing structure is arranged above the working box;

[0006] The polishing structure includes a polishing mechanism, a clamping mechanism and an adjusting mechanism;

[0007] The polishing mechanism includes a protective cover, a mounting plate, a motor, a threaded rod, and a movable plate. The inner wall of the protective cover is connected to one side of the mounting plate, one end of the mounting plate is connected to one end of the motor, the output end of the motor is connected to one end of the threaded rod, the outer wall of the threaded rod is threadedly connected to the inner wall of the movable plate, one end of the movable plate is fixedly installed with a fixed plate, an electric telescopic rod is fixedly installed on the top of the fixed plate, a connecting plate is fixedly installed on the bottom of the electric telescopic rod, a telescopic rod is fixedly installed on the top of the connecting plate, a fixed plate two is fixedly installed on the top of the telescopic rod, a polishing device is fixedly installed on the bottom of the connecting plate, a support plate is fixedly installed on the inner wall of the working box, a dust collector is fixedly installed on one end of the support plate, a material guide pipe is connected to the top of the dust collector, a dust hood is connected to one end of the material guide pipe, a connecting plate two is fixedly installed on the top of the dust hood, and a filter is fixedly installed on the inner side of the bottom plate.

[0008] Preferably, a movable groove is provided on one side of the mounting plate, one end of the movable plate is slidably connected to the inner wall of the movable groove, there are two telescopic rods, and the telescopic rods are symmetrically distributed on the top of the connecting plate, and a filter element is provided inside the vacuum cleaner, so that the position of the polishing equipment can be adjusted quickly and conveniently, thereby better grinding and polishing molds of different lengths.

[0009] Preferably, there are two material guide pipes, which are symmetrically distributed on the top of the vacuum cleaner. The material of the material guide pipe is a retractable hose. There are two dust hoods, which are symmetrically distributed on both sides of the polishing equipment. The shape of the connecting plate 2 is L-shaped, so that the dust generated during the grinding and polishing process can be quickly and conveniently collected, thereby better grinding and polishing the mold.

[0010] Preferably, the clamping mechanism includes a placement plate, a guide rod one, a movable plate two, an extrusion plate, and a bidirectional threaded rod. The inner side of the placement plate is connected to both ends of the guide rod one, the outer wall of the guide rod one is slidably connected to the inner wall of the movable plate two, the top of the movable plate two is connected to the bottom of the extrusion plate, the inner wall of the extrusion plate is rotatably connected to one end of the bidirectional threaded rod, the outer wall of the bidirectional threaded rod is threadedly connected to the movable plate three, and the clamping plate is fixedly installed on one end of the movable plate three.

[0011] Preferably, the number of the placement plates is two, and the placement plates are symmetrically distributed on the inner wall of the working box. A movable groove II is opened on the top of the placement plate, and the bottom of the movable plate II is slidably connected to the inner wall of the movable groove II. A spring is fixedly installed between one side of the movable plate II and the inner wall of the movable groove II. The number of the clamping plates is eight, and the clamping plates are symmetrically distributed on one side of the four extrusion plates, so that the mold can be clamped and fixed quickly and conveniently, and the position of the clamping plate can be quickly and conveniently adjusted, so that molds of different lengths can be clamped and fixed.

[0012] Preferably, the adjustment mechanism includes motor 2, a threaded rod, a sliding plate, guide rod 2, and a connecting rod. The output end of motor 2 is interconnected with one end of the threaded rod, the outer wall of the threaded rod is threadedly connected to the inner wall of the sliding plate, the inner wall of the sliding plate is slidably connected to the outer wall of guide rod 2, one side of the sliding plate is interconnected with one end of the connecting rod, and a cleaning plate is fixedly installed on the bottom of the sliding plate.

[0013] Preferably, the number of the sliding plates is two, and the sliding plates are symmetrically distributed at the bottom of the two placement plates. The shape of the sliding plates is T-shaped. The number of the guide rods is two, and the guide rods are symmetrically distributed on the inner walls of the two sliding plates. The number of the cleaning plates is two, and the cleaning plates are symmetrically distributed at the bottom of the two sliding plates, so that the positions of the two placement plates can be adjusted quickly and conveniently, thereby enabling better grinding and polishing of the mold, and scraping off impurities on the bottom plate and the top of the filter net for better use.

[0014] Preferably, the top of the working box is interconnected with the bottom of the base plate, the top of the base plate is interconnected with the bottom of the protective cover, one end of the connecting plate 2 is interconnected with one side of the connecting plate 1, a placement plate is provided inside the protective cover, the bottom of the placement plate is interconnected with the top of the sliding plate, and one side of the protective cover is interconnected with one end of the motor 2.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The surface polishing device for mold manufacturing can quickly and conveniently adjust the position of the polishing equipment through the polishing mechanism, so that molds of different lengths can be better polished and polished, and the dust generated during the polishing process can be collected, so that they can be better used. The problem of polishing the mold by the polishing equipment is solved. Since the polishing equipment is fixedly installed on the surface polishing equipment, the position of the polishing equipment cannot be quickly and conveniently adjusted, and the problem of polishing and grinding the mold cannot be quickly and conveniently is improved. The working efficiency of the surface polishing device is improved.

[0017] 2. The surface polishing device for mold manufacturing can quickly and conveniently clamp and fix the mold through the clamping mechanism, and can quickly and conveniently adjust the position of the clamping plate, so that molds of different lengths can be quickly and conveniently clamped and fixed, which makes it more convenient for operators to use and further improves the working efficiency of the surface polishing device.

[0018] 3. The surface polishing device for mold manufacturing can quickly and conveniently adjust the positions of the two placement plates through the adjustment mechanism, so that the mold can be better polished. One mold can be polished while the other mold is disassembled and assembled, thereby further improving the working efficiency of the surface polishing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative labor.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0021] Figure 2 It is a cross-sectional structural schematic diagram of the present invention;

[0022] Figure 3 The structure of the polishing mechanism of the present invention is shown in FIG. Figure 1 ;

[0023] Figure 4 The structure of the polishing mechanism of the present invention is shown in FIG. Figure 2 ;

[0024] Figure 5 The structure diagram of the clamping mechanism of the present invention is shown in FIG. Figure 1 ;

[0025] Figure 6 The structure diagram of the clamping mechanism of the present invention is shown in FIG. Figure 2 ;

[0026] Figure 7 The structure diagram of the clamping mechanism of the present invention is shown in FIG. Figure 3 ;

[0027] Figure 8 It is a structural schematic diagram of the regulating mechanism of the present invention.

[0028] In the figure: 1, working box; 2, bottom plate; 3, polishing mechanism; 301, protective cover; 302, mounting plate; 303, motor 1; 304, threaded rod 1; 305, moving plate 1; 306, fixed plate 1; 307, electric telescopic rod; 308, connecting plate 1; 309, telescopic rod; 310, fixed plate 2; 311, polishing equipment; 312, support plate; 313, vacuum cleaner; 314, guide pipe; 315 , dust hood; 316, connecting plate two; 317, filter; 4, clamping mechanism; 401, placement plate; 402, guide rod one; 403, moving plate two; 404, extrusion plate; 405, two-way threaded rod; 406, moving plate three; 407, clamping plate; 5, adjustment mechanism; 501, motor two; 502, threaded rod; 503, sliding plate; 504, guide rod two; 505, connecting rod; 506, cleaning plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] Embodiment 1:

[0032] See also Figure 1-Figure 8 , the present invention provides a technical solution: a surface polishing device for mold manufacturing, comprising a working box 1 and a bottom plate 2, a polishing structure is arranged above the working box 1;

[0033] The polishing structure includes a polishing mechanism 3, a clamping mechanism 4 and an adjusting mechanism 5;

[0034] The polishing mechanism 3 includes a protective cover 301, a mounting plate 302, a motor 303, a threaded rod 304, and a movable plate 305. The inner wall of the protective cover 301 is connected to one side of the mounting plate 302, one end of the mounting plate 302 is connected to one end of the motor 303, the output end of the motor 303 is connected to one end of the threaded rod 304, the outer wall of the threaded rod 304 is threadedly connected to the inner wall of the movable plate 305, one end of the movable plate 305 is fixedly installed with a fixed plate 306, the top of the fixed plate 306 is fixedly installed with an electric telescopic rod 307, and the bottom of the electric telescopic rod 307 is fixedly installed with a fixed plate 306. A connecting plate 1 308 is fixedly installed, a telescopic rod 309 is fixedly installed on the top of the connecting plate 1 308, a fixed plate 2 310 is fixedly installed on the top of the telescopic rod 309, a polishing device 311 is fixedly installed on the bottom of the connecting plate 1 308, a support plate 312 is fixedly installed on the inner wall of the working box 1, a dust collector 313 is fixedly installed on one end of the support plate 312, a material guide pipe 314 is connected to the top of the dust collector 313, a dust cover 315 is connected to one end of the material guide pipe 314, a connecting plate 2 316 is fixedly installed on the top of the dust cover 315, and a filter screen 317 is fixedly installed on the inner side of the bottom plate 2;

[0035] In this embodiment, a movable groove 1 is provided on one side of the mounting plate 302, one end of the movable plate 1 305 is slidably connected to the inner wall of the movable groove 1, there are two telescopic rods 309, and the telescopic rods 309 are symmetrically distributed on the top of the connecting plate 1 308, and a filter element is provided inside the vacuum cleaner 313, so that the position of the polishing device 311 can be adjusted quickly and conveniently, and molds of different lengths can be polished better;

[0036] Furthermore, there are two guide pipes 314, which are symmetrically distributed on the top of the vacuum cleaner 313. The guide pipes 314 are made of a retractable hose. There are two dust hoods 315, which are symmetrically distributed on both sides of the polishing device 311. The second connecting plate 316 is L-shaped, so that dust in the grinding and polishing process can be quickly and conveniently collected, so that the mold can be better ground and polished.

[0037] Furthermore, the top of the working box 1 is interconnected with the bottom of the base plate 2, the top of the base plate 2 is interconnected with the bottom of the protective cover 301, one end of the connecting plate 2 316 is interconnected with one side of the connecting plate 1 308, a placing plate 401 is provided inside the protective cover 301, the bottom of the placing plate 401 is interconnected with the top of the sliding plate 503, and one side of the protective cover 301 is interconnected with one end of the motor 2 501.

[0038] When the mold surface needs to be polished, the operator opens the movable door installed on the front of the protective cover 301, places the mold on the placement plate 401, clamps and fixes the mold through the clamping mechanism 4, and starts the motor 303 to drive the threaded rod 304 to rotate, and the movable plate 305 is driven to move by the rotation of the threaded rod 304, and the fixed plate 306 is driven to move by the movement of the movable plate 305, and the polishing device 311 is indirectly driven to move by the movement of the fixed plate 306, so that the left and right positions of the polishing device 311 can be adjusted. At this time, the connecting plate 308 is driven to move by starting the electric telescopic rod 307, and the telescopic rod 309 is extended and retracted by the movement of the connecting plate 308, so that the stability of the connecting plate 308 when moving can be increased. The movement drives the polishing device 311 to move, so that the height of the polishing device 311 can be adjusted, and the polishing device 311 can be brought into contact with the mold surface. By starting the polishing device 311, the mold can be polished. The movement of the connecting plate 1 308 can drive the connecting plate 2 316 to move, and the movement of the connecting plate 2 316 can drive the dust hood 315 to move. At this time, by starting the vacuum cleaner 313, the dust generated during the polishing can be collected, so that the dust can be transported to the working box 1 through the dust hood 315 and the material guide pipe 314 for storage, and the debris generated during the polishing process can be filtered and collected through the filter net 317, so that the polishing work can be better performed and dust and debris can be collected.

[0039] Embodiment 2:

[0040] On the basis of the first embodiment, the clamping mechanism 4 includes a placement plate 401, a guide rod 1 402, a movable plate 2 403, an extrusion plate 404, and a bidirectional threaded rod 405. The inner side of the placement plate 401 is connected to both ends of the guide rod 1 402, the outer wall of the guide rod 1 402 is slidably connected to the inner wall of the movable plate 2 403, the top of the movable plate 2 403 is connected to the bottom of the extrusion plate 404, the inner wall of the extrusion plate 404 is rotatably connected to one end of the bidirectional threaded rod 405, the outer wall of the bidirectional threaded rod 405 is threadedly connected to the movable plate 3 406, and the clamping plate 407 is fixedly installed at one end of the movable plate 3 406;

[0041] In this embodiment, there are two placement plates 401, which are symmetrically distributed on the inner wall of the working box 1. A movable groove 2 is opened on the top of the placement plate 401. The bottom of the movable plate 2 403 is slidably connected to the inner wall of the movable groove 2. A spring is fixedly installed between one side of the movable plate 2 403 and the inner wall of the movable groove 2. There are eight clamping plates 407, which are symmetrically distributed on one side of the four extrusion plates 404, so that the mold can be clamped and fixed quickly and conveniently, and the position of the clamping plate 407 can be quickly and conveniently adjusted, so that molds of different lengths can be clamped and fixed.

[0042] When it is necessary to polish the mold surface, the operator opens the movable door installed on the front side of the protective cover 301, pulls the extrusion plate 404 to move the movable plate 2 403 to slide on the guide rod 1 402, slides the extrusion spring through the movable plate 2 403, and then places the mold on the placement plate 401, releases the extrusion plate 404, and resets the extrusion plate 404 through the elastic force of the spring, so that the mold can be clamped and fixed, and at this time, the movable plate 3 406 is driven to move by rotating the two-way threaded rod 405, and the clamping plate 407 is driven to move by the movement of the movable plate 3 406, and the clamping plate 407 is moved by the movement of the clamping plate 407 to contact one side of the mold, so that the mold can be further clamped and fixed, and molds of different lengths can be clamped and fixed, so that the grinding and polishing work can be better performed, and the mold can be quickly and conveniently ground and polished by starting the polishing mechanism 3.

[0043] Embodiment three:

[0044] On the basis of the first embodiment, the adjustment mechanism 5 includes a second motor 501, a threaded rod 502, a sliding plate 503, a second guide rod 504, and a connecting rod 505. The output end of the second motor 501 is connected to one end of the threaded rod 502, the outer wall of the threaded rod 502 is threadedly connected to the inner wall of the sliding plate 503, the inner wall of the sliding plate 503 is slidably connected to the outer wall of the second guide rod 504, one side of the sliding plate 503 is connected to one end of the connecting rod 505, and a cleaning plate 506 is fixedly installed at the bottom of the sliding plate 503;

[0045] In this embodiment, there are two sliding plates 503, which are symmetrically distributed at the bottom of the two placement plates 401, and the shape of the sliding plates 503 is T-shaped. There are two guide rods 504, which are symmetrically distributed at the inner walls of the two sliding plates 503. There are two cleaning plates 506, which are symmetrically distributed at the bottom of the two sliding plates 503, so that the positions of the two placement plates 401 can be adjusted quickly and conveniently, thereby better grinding and polishing the mold, and impurities on the bottom plate 2 and the top of the filter screen 317 can be scraped off for better use.

[0046] When it is necessary to polish the surface of the mold, the operator opens the movable door installed on the front side of the protective cover 301, places the mold on the placement plate 401, clamps and fixes the mold through the clamping mechanism 4, and starts the polishing mechanism 3 to quickly and conveniently grind and polish the mold. Since there are two placement plates 401, there are two workstations. When the grinding and polishing of the mold on one placement plate 401 is completed, the threaded rod 502 is driven to rotate by starting the motor 2 501, and the sliding plate 503 is driven to slide on the guide rod 2 504 by the rotation of the threaded rod 502, and the sliding of the sliding plate 503 drives the connecting rod 503 to slide on the guide rod 2 504. The connecting rod 505 moves, so that the two placement plates 401 can move at the same time, so that one placement plate 401 can be moved away from the processing station and the other placement plate 401 can enter the processing station, so that the mold on one placement plate 401 can be ground and polished, and the mold on the other placement plate 401 can be disassembled and assembled, which makes it more convenient for operators to use and further improves the working efficiency of the polishing device. The movement of the sliding plate 503 can drive the cleaning plate 506 to move, and the movement of the cleaning plate 506 can clean the impurities on the top of the bottom plate 2 and the top of the filter screen 317, so that they can be better processed.

[0047] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A surface polishing device for mold manufacturing, comprising a working box (1) and a base plate (2), characterized in that: A polishing structure is provided above the working box (1); The polishing structure comprises a polishing mechanism (3), a clamping mechanism (4) and an adjusting mechanism (5); The polishing mechanism (3) comprises a protective cover (301), a mounting plate (302), a motor (303), a threaded rod (304), and a movable plate (305); the inner wall of the protective cover (301) is connected to one side of the mounting plate (302); one end of the mounting plate (302) is connected to one end of the motor (303); the output end of the motor (303) is connected to one end of the threaded rod (304); the outer wall of the threaded rod (304) is threadedly connected to the inner wall of the movable plate (305); a fixed plate (306) is fixedly mounted on one end of the movable plate (305); an electric telescopic rod (307) is fixedly mounted on the top of the fixed plate (306); and the bottom of the electric telescopic rod (307) is fixedly mounted. A connecting plate (308) is fixedly installed, a telescopic rod (309) is fixedly installed on the top of the connecting plate (308), a fixing plate (310) is fixedly installed on the top of the telescopic rod (309), a polishing device (311) is fixedly installed on the bottom of the connecting plate (308), a supporting plate (312) is fixedly installed on the inner wall of the working box (1), a dust collector (313) is fixedly installed on one end of the supporting plate (312), a material guide pipe (314) is connected to the top of the dust collector (313), a dust hood (315) is connected to one end of the material guide pipe (314), a connecting plate (316) is fixedly installed on the top of the dust hood (315), and a filter screen (317) is fixedly installed on the inner side of the bottom plate (2).

2. A surface polishing device for mold manufacturing according to claim 1, characterized in that: A movable groove 1 is provided on one side of the mounting plate (302), one end of the movable plate 1 (305) is slidably connected to the inner wall of the movable groove 1, the number of the telescopic rods (309) is two, and the telescopic rods (309) are symmetrically distributed on the top of the connecting plate 1 (308), and a filter element is arranged inside the vacuum cleaner (313).

3. A surface polishing device for mold manufacturing according to claim 1, characterized in that: The number of the material guide pipes (314) is two, and the material guide pipes (314) are symmetrically distributed on the top of the vacuum cleaner (313). The material of the material guide pipe (314) is a retractable hose. The number of the dust hoods (315) is two, and the dust hoods (315) are symmetrically distributed on both sides of the polishing device (311). The shape of the second connecting plate (316) is L-shaped.

4. A surface polishing device for mold manufacturing according to claim 1, characterized in that: The clamping mechanism (4) comprises a placement plate (401), a guide rod 1 (402), a movable plate 2 (403), an extrusion plate (404), and a bidirectional threaded rod (405); the inner side of the placement plate (401) is connected to both ends of the guide rod 1 (402); the outer wall of the guide rod 1 (402) is slidably connected to the inner wall of the movable plate 2 (403); the top of the movable plate 2 (403) is connected to the bottom of the extrusion plate (404); the inner wall of the extrusion plate (404) is rotatably connected to one end of the bidirectional threaded rod (405); the outer wall of the bidirectional threaded rod (405) is threadedly connected to the movable plate 3 (406); and a clamping plate (407) is fixedly installed on one end of the movable plate 3 (406).

5. A surface polishing device for mold manufacturing according to claim 4, characterized in that: The number of the placement plates (401) is two, and the placement plates (401) are symmetrically distributed on the inner wall of the working box (1). A movable groove 2 is opened on the top of the placement plate (401), and the bottom of the movable plate 2 (403) is slidably connected to the inner wall of the movable groove 2. A spring is fixedly installed between one side of the movable plate 2 (403) and the inner wall of the movable groove 2. The number of the clamping plates (407) is eight, and the clamping plates (407) are symmetrically distributed on one side of the four extrusion plates (404).

6. A surface polishing device for mold manufacturing according to claim 1, characterized in that: The regulating mechanism (5) comprises a second motor (501), a threaded rod (502), a sliding plate (503), a second guide rod (504), and a connecting rod (505); the output end of the second motor (501) is connected to one end of the threaded rod (502); the outer wall of the threaded rod (502) is threadedly connected to the inner wall of the sliding plate (503); the inner wall of the sliding plate (503) is slidably connected to the outer wall of the second guide rod (504); one side of the sliding plate (503) is connected to one end of the connecting rod (505); and a cleaning plate (506) is fixedly mounted on the bottom of the sliding plate (503).

7. A surface polishing device for mold manufacturing according to claim 6, characterized in that: The number of the sliding plates (503) is two, and the sliding plates (503) are symmetrically distributed at the bottom of the two placement plates (401). The shape of the sliding plate (503) is T-shaped. The number of the guide rods (504) is two, and the guide rods (504) are symmetrically distributed on the inner walls of the two sliding plates (503). The number of the cleaning plates (506) is two, and the cleaning plates (506) are symmetrically distributed at the bottom of the two sliding plates (503).

8. A surface polishing device for mold manufacturing according to claim 1, characterized in that: The top of the working box (1) is connected to the bottom of the base plate (2), the top of the base plate (2) is connected to the bottom of the protective cover (301), one end of the second connecting plate (316) is connected to one side of the first connecting plate (308), a placement plate (401) is provided inside the protective cover (301), the bottom of the placement plate (401) is connected to the top of the sliding plate (503), and one side of the protective cover (301) is connected to one end of the second motor (501).