Mirror polishing equipment for surfaces of plastic mechanical parts

Abstract

The invention discloses plastic machine part surface mirror polishing equipment, and relates to the technical field of plastic machine part surface polishing, the plastic machine part surface mirror polishing equipment comprises a connecting frame and a built-in plate, the front side surface of the connecting frame is provided with a second polishing assembly used for preliminary polishing, and one side of the interior of the connecting frame is provided with a lead screw. According to the plastic machine part surface mirror polishing equipment, after polishing is conducted through a first polishing assembly and a second polishing assembly, through continuous rotation of a lead screw and interruption design of a guide rod, rotation can be generated when a sliding base moves to the outer portion of a connecting frame, and meanwhile a movable working frame connected with the sliding base moves along with the sliding base; furthermore, when the movable working frame is transferred to the interior of the cleaning frame, the movable working frame can rotate, and the plastic mechanical parts subjected to mirror polishing can extend into the cleaning frame in which cleaning water is stored in cooperation with the design of a first air rod; and through the design of cleaning frame water, polishing dust attached to the surfaces of the plastic mechanical parts subjected to mirror polishing can be cleaned.

Description

Technical Field

[0001] The invention relates to the technical field of surface polishing of plastic machinery parts, in particular to a device for mirror polishing the surface of plastic machinery parts. Background Art

[0002] Before assembling plastic machinery parts, they need to be processed, usually by cutting, mirror polishing or other treatments, so that the shape and external smoothness of the plastic machinery parts meet the requirements of assembly.

[0003] Currently, after the surface polishing equipment of plastic machinery parts polishes the plastic machinery parts, a lot of polishing dust adheres to the surface of the plastic machinery parts, making it difficult to clean the surface of the plastic machinery parts and store them after cleaning, which affects the storage of the plastic machinery parts.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a mirror polishing device for the surface of plastic machinery parts is proposed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a device for mirror polishing the surface of plastic machinery parts, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a surface mirror polishing device for plastic machinery accessories, comprising a connecting frame and a built-in plate, a polishing component 2 for preliminary polishing is arranged on the front surface of the connecting frame, a screw is installed on one side of the interior of the connecting frame, and a driving motor is arranged on the end of the screw, a sliding seat is threadedly installed on the outer surface of the screw, and a guide rod is slidingly arranged inside the sliding seat, a cleaning frame is arranged on the end of the screw, and a collecting frame is installed on the bottom of the connecting frame, weighing sensors are arranged at the four corners of the collecting frame, the built-in plate is arranged at the end of the weighing sensor, a moving working frame is installed on one side of the outer surface of the sliding seat, and a gas rod 1 is arranged on one side of the interior of the moving working frame, a positioning component for limiting the rate mechanical accessories is installed on the output end of the gas rod 1, and the positioning component comprises a connecting platform, a gas rod 2 and a limiting plate, gas rod 2 is installed on both sides of the outer surface of the connecting platform, and a limiting plate is installed on the output end of the gas rod 2.

[0007] Furthermore, the polishing component 2 includes a connecting frame, an oilstone, a positioning plate and a mounting plate, and the oilstone is arranged in the middle of the connecting frame, positioning plates are installed on both sides of the outer surface of the oilstone, and a positioning plate is arranged on the outer surface of the positioning plate, and the positioning plate is fixed to the connecting frame by bolts.

[0008] Furthermore, a second fixing plate is provided on a side of the outer surface of the connection frame away from the second polishing component, and two groups of the second fixing plates are provided.

[0009] Furthermore, a polishing component 1 for further polishing the surface of the plastic machinery accessories is arranged between the two groups of the second fixed plates, and the polishing component 1 includes sandpaper, connecting shaft 1, bottom shaft and connecting shaft 2. Connecting shaft 1 is arranged on the surface of the sandpaper, and the bottom shaft is installed below the connecting shaft 1, and connecting shaft 2 is arranged on the upper side of the bottom shaft.

[0010] Furthermore, one end of the connecting shaft 1 and the connecting shaft 2 is provided with a servo motor, and a side cover is installed outside the servo motor.

[0011] Furthermore, a first fixing plate is provided on one side of the outer surface of the connection frame close to the second fixing plate, and a polishing component 1 for further polishing the surface of the plastic mechanical parts is provided on one side of the first fixing plate and the second fixing plate.

[0012] Furthermore, the side cover is clamped on one side outer surface of the first fixing plate and the second fixing plate, and the first fixing plate and the second fixing plate are fixedly arranged on the outer surface of the connection frame.

[0013] Furthermore, a support plate is provided at the bottom of the connection frame, and two groups of support plates are installed, and a collection frame is installed between the two groups of support plates.

[0014] Furthermore, the length of the screw rod is greater than the length of the guide rod, and the length of the guide rod is the same as the inner length of the connection frame.

[0015] Furthermore, the movable working frame is slidably arranged inside the connecting frame, and a connecting frame is fixedly installed on the outer surface of one side of the connecting frame.

[0016] The present invention provides a device for mirror polishing the surface of plastic machinery parts, which has the following beneficial effects:

[0017] 1. The mirror polishing device for the surface of plastic machinery parts can drive the screw to rotate through the design of the driving motor. By driving the rotation of the screw and the limited sliding cooperation of the guide rod, the slide seat threadedly mounted on the outer surface of the screw and the movable working frame connected to the slide seat can be horizontally limited and moved inside the connecting frame, so that the plastic machinery parts after being limited in the movable working frame can reciprocate through the polishing component one and the polishing component two, so that the polishing component one and the polishing component two are used for polishing, so that the surface of the plastic machinery parts is mirror polished.

[0018] 2. The mirror polishing device for the surface of plastic machinery parts, after being polished by polishing components one and two, continuously rotates the screw rod and is designed to interrupt the guide rod, so that when the slide moves to the outside of the connecting frame, it will rotate, and at the same time, the moving working frame connected to the slide moves with it, so that when the moving working frame is transferred to the inside of the cleaning frame, the moving working frame will rotate, and the design of the gas rod one can make the plastic machinery parts after mirror polishing extend into the cleaning frame where cleaning water is stored, and the design of the cleaning frame water can clean the polishing dust attached to the surface of the plastic machinery parts after mirror polishing, and after cleaning, the gas rod one is contracted to make the plastic machinery parts after mirror polishing after cleaning stay away from the cleaning water, and at the same time, the cleaning water remaining when the surface of the plastic machinery parts is cleaned can be thrown out by continuously rotating the screw rod clockwise and counterclockwise.

[0019] 3. The mirror polishing device for the surface of plastic machinery parts, when the screw rod rotates counterclockwise to drive the slide to move toward the connecting frame, it will return to the position state when the slide is away from the connecting frame, and then the mobile working frame connected to the slide will be transferred to the top of the collection frame. A baffle is installed on the top of the collection frame for sliding. The baffle can be slid during collection to transfer the plastic machinery parts after the stop limit to the inside of the collection frame. When the collection reaches the preset weight, the weighing sensor will cooperate with the alarm to sound the alarm, so that the user can collect the plastic machinery parts after mirror polishing and cleaning in a unified manner. Through the design of the polishing component one, the coarse sandpaper on the outside of the connecting shaft one can be attached to the outside of the bottom shaft and the preliminary polishing. After the surface of the plastic machinery parts is polished again, the worn coarse sandpaper is rolled up by the rotation of the connecting shaft two, so that the coarse sandpaper can maintain a good grinding and polishing effect on the plastic machinery parts, and another set of servo motors can be used to drive the connecting shafts one and two to rotate, so that the fine sandpaper on the outside of the connecting shaft one can be attached to the outside of the bottom shaft and polish the surface of the plastic machinery parts after the second polishing, so that the surface of the plastic machinery parts can achieve a mirror polishing effect, and the worn fine sandpaper can be rolled up by the rotation design of the connecting shaft two, so that the grinding area of ​​the outer surface of the bottom shaft and the surface of the plastic machinery parts can be replaced to maintain a good mirror polishing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a mirror polishing device for the surface of a plastic machinery part of the present invention;

[0021] Figure 2 This is a schematic diagram of the distribution structure of sandpaper and servo motor of a plastic machinery parts surface mirror polishing device of the present invention;

[0022] Figure 3 This is a schematic diagram of the internal structure of a connection frame of a plastic machinery parts surface mirror polishing device of the present invention;

[0023] Figure 4 This is a structural schematic diagram of a second polishing component of a plastic machinery parts surface mirror polishing device of the present invention;

[0024] Figure 5 This is a schematic diagram of the structure of a positioning component of a plastic machinery parts surface mirror polishing device of the present invention;

[0025] Figure 6 This is a schematic diagram of the expanded structure of a collection frame of a plastic machinery parts surface mirror polishing device of the present invention.

[0026] In the figure: 1. connecting frame; 2. supporting plate; 3. cleaning frame; 4. screw rod; 5. first fixed plate; 6. second fixed plate; 7. side cover; 8. polishing component one; 801. sandpaper; 802. connecting shaft one; 803. bottom shaft; 804. connecting shaft two; 9. servo motor; 10. moving working frame; 11. polishing component two; 1101. connecting frame; 1102. oilstone; 1103. positioning plate; 1104. mounting plate; 12. gas rod one; 13. positioning component; 1301. connecting platform; 1302. gas rod two; 1303. limit plate; 14. collecting frame; 15. built-in plate; 16. weighing sensor; 17. driving motor; 18. slide seat; 19. guide rod. DETAILED DESCRIPTION

[0027] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0028] like Figure 1-Figure 6As shown, the present invention provides a technical solution: a mirror polishing device for the surface of plastic machinery parts, including a connecting frame 1, a support plate 2, a cleaning frame 3, a screw 4, a first fixing plate 5, a second fixing plate 6, a side cover 7, a polishing component 1 8, sandpaper 801, a connecting shaft 1 802, a bottom shaft 803, a connecting shaft 2 804, a servo motor 9, a mobile working frame 10, a polishing component 2 11, a connecting frame 1101, an oilstone 1102, a positioning plate 1103, a mounting plate 1104, a gas rod 12, a positioning component 13, a connecting platform 1301, a gas rod 2 1302, a limit plate 1303, a collecting frame 14, a built-in plate 15, a weighing sensor 16, a driving motor 17, a slide seat 18 and a guide rod 19, and the front side surface of the connecting frame 1 is provided with a A polishing assembly 11 for step polishing, a support plate 2 is provided at the bottom of the connecting frame 1, and two groups of support plates 2 are installed, a collecting frame 14 is installed between the two groups of support plates 2, a second fixing plate 6 is provided on the side of the outer surface of the connecting frame 1 away from the polishing assembly 11, and two groups of second fixing plates 6 are provided, a screw rod 4 is installed on one side of the inside of the connecting frame 1, and a driving motor 17 is provided at the end of the screw rod 4, the length of the screw rod 4 is greater than the length of the guide rod 19, and the length of the guide rod 19 is the same as the length of the inner side of the connecting frame 1, a sliding seat 18 is threadedly installed on the outer surface of the screw rod 4, and a guide rod 19 is slidably provided inside the sliding seat 18, a cleaning frame 3 is provided at the end of the screw rod 4, and a collecting frame 14 is installed at the bottom of the connecting frame 1, and the four corners of the inside of the collecting frame 14 are provided There is a weighing sensor 16, a built-in plate 15 is arranged at the end of the weighing sensor 16, a mobile working frame 10 is installed on one side of the outer surface of the slide 18, and a gas rod 12 is arranged on the inner side of the mobile working frame 10, the mobile working frame 10 is slidably arranged inside the connecting frame 1, and a connecting frame 1101 is fixedly installed on the outer surface of one side of the connecting frame 1, and a positioning component 13 for limiting the speed mechanical accessories is installed at the output end of the gas rod 12, and the positioning component 13 includes a connecting platform 1301, a gas rod 1302 and a limiting plate 1303, gas rods 1302 are installed on both sides of the outer surface of the connecting platform 1301, and the output end of the gas rod 1302 is installed with a limiting plate 1303, and the plastic mechanical accessories to be polished are placed on the connecting platform The surface of the platform 1301 can be driven to move the position of the limit plate 1303 through the design of the gas rod 1302, and the gas rod 1302 and the limit plate 1303 are provided with two groups, so that the position movement of the limit plate 1303 can limit and fix the plastic machinery parts placed between the two groups of limit plates 1303, so as to avoid the movement of the position of the plastic machinery parts when the surface of the plastic machinery parts is photographed, thereby affecting the mirror polishing effect of the surface of the plastic machinery parts. The design of the driving motor 17 can drive the screw rod 4 to rotate, and the rotation of the driving screw rod 4 and the limited sliding cooperation of the guide rod 19 make the slide seat 18 threadedly installed on the outer surface of the screw rod 4, and the movable working frame 10 connected to the slide seat 18 can be horizontally limited and moved inside the connecting frame 1,The plastic machinery parts after being limited in the mobile working frame 10 can reciprocate through the polishing component 18 and the polishing component 2 11, so that the surface of the plastic machinery parts is mirror polished. After polishing by the polishing component 18 and the polishing component 2 11, the continuous rotation of the screw rod 4 and the interruption design of the guide rod 19 will cause the slide 18 to rotate when it moves to the outside of the connecting frame 1, and the mobile working frame 10 connected to the slide 18 will move with it, so that when the mobile working frame 10 is transferred to the inside of the cleaning frame 3, the mobile working frame 10 will rotate. The design of the gas rod 12 can make the plastic machinery parts after mirror polishing extend into the cleaning frame 3 where cleaning water is stored. The design of the cleaning frame 3 water can be used to clean the surface of the plastic machinery parts after mirror polishing. The polishing dust is cleaned, and after cleaning, the air rod 12 is contracted to keep the mirror-polished plastic machinery parts away from the cleaning water. At the same time, the cleaning water remaining when the surface of the plastic machinery parts is cleaned can be thrown out by continuously rotating the screw rod 4 clockwise and counterclockwise. When the screw rod 4 rotates counterclockwise to drive the slide 18 to move into the connecting frame 1, it will return to the position when the slide 18 is away from the connecting frame 1, and then the mobile working frame 10 connected to the slide 18 will be transferred to the top of the collection frame 14. A baffle is installed on the top of the collection frame 14. The baffle can be slid during collection so that the plastic machinery parts after the stop limit are transferred to the inside of the collection frame 14. When the preset weight is collected, the weighing sensor 16 will cooperate with the alarm to sound an alarm, which is convenient for users to collect the mirror-polished and cleaned plastic machinery parts in a unified manner.

[0029] like Figure 1 , Figure 3 and Figure 4 As shown, polishing component 2 11 includes a connecting frame 1101, an oilstone 1102, a positioning plate 1103 and a mounting plate 1104, and an oilstone 1102 is arranged in the middle of the connecting frame 1101, positioning plates 1103 are installed on both sides of the outer surface of the oilstone 1102, and the outer surface of the positioning plate 1103 is arranged with a positioning plate 1103, and the positioning plate 1103 is fixed to the connecting frame 1101 by bolts. When the driving motor 17 drives the screw rod 4 to rotate and drives the mobile working frame 10 to move reciprocatingly, the plastic machinery parts after limiting will continuously contact and rub against the bottom outer surface of the oilstone 1102, so that the surface of the plastic machinery parts can be preliminarily polished. In addition, the oilstone 1102 is fixed by the design of the positioning plate 1103, the mounting plate 1104 and the bolts, which is convenient for users to replace oilstones 1102 of different shapes, and is conducive to polishing plastic machinery parts of different shapes through the design of oilstones 1102 of different shapes and positions.

[0030] like Figure 1 and Figure 2As shown, a polishing assembly 8 for further polishing the surface of the plastic machinery parts is arranged between the two sets of second fixing plates 6, and the polishing assembly 8 includes sandpaper 801, a connecting shaft 802, a bottom shaft 803 and a connecting shaft 804. The surface of the sandpaper 801 is provided with a connecting shaft 802, and the bottom shaft 803 is installed below the connecting shaft 802, and the connecting shaft 804 is arranged on one side above the bottom shaft 803. A servo motor 9 is arranged at one end of the connecting shaft 802 and the connecting shaft 804, and a side cover 7 is installed outside the servo motor 9. The outer surface of the connecting frame 1 is close to A first fixing plate 5 is provided on one side of the second fixing plate 6, and a polishing assembly 8 for further polishing the surface of the plastic mechanical parts is provided on one side of the first fixing plate 5 and the second fixing plate 6. A side cover 7 is clamped on the outer surface of one side of the first fixing plate 5 and the second fixing plate 6, and the first fixing plate 5 and the second fixing plate 6 are fixedly provided on the outer surface of the connecting frame 1. The design of the side cover 7 can protect the servo motor 9 from the outside of the first fixing plate 5 and the second fixing plate 6, and can polish the plastic mechanical parts by rotating the screw 4 after polishing the plastic mechanical parts with the oilstone 1102. When the movable working frame 10 moves between the two sets of first fixed plates 5, the design of one set of servo motors 9 can be used to drive the connecting shaft 1 802 and the connecting shaft 2 804 to rotate, so that the coarse grinding sandpaper on the outside of the connecting shaft 1 802 can be attached to the outside of the bottom shaft 803 and the surface of the plastic machinery parts after preliminary polishing. After polishing again, the worn coarse grinding sandpaper can be rolled up by the rotation of the connecting shaft 2 804, so that the coarse grinding sandpaper can maintain a good grinding and polishing effect on the plastic machinery parts. In addition, with the continuous rotation of the screw rod 4, the plastic machinery parts after the secondary grinding and polishing are It will be accurately transferred to between the two groups of second fixed plates 6, and can use the design of another group of servo motors 9 to drive the connection shaft 1 802 and the connection shaft 2 804 to rotate, so that the fine grinding sandpaper on the outside of the connection shaft 1 802 can be attached to the outside of the bottom shaft 803 and the surface of the plastic machinery parts after the second polishing can be polished again, so that the surface of the plastic machinery parts can achieve a mirror polishing effect, and the worn fine grinding sandpaper can be rolled up by the rotation design of the connection shaft 2 804, which is convenient for replacing the polishing area of ​​the outer surface of the bottom shaft 803 and the surface of the plastic machinery parts, thereby maintaining a good mirror polishing effect.

[0031] In summary, if Figure 1-Figure 6As shown, the mirror polishing device for the surface of plastic machinery parts, when in use, can drive the position of the limit plate 1303 to move through the design of the second gas rod 1302, and the second gas rod 1302 and the limit plate 1303 are provided with two groups, so that the position movement of the limit plate 1303 can limit and fix the plastic machinery parts placed between the two groups of limit plates 1303, so as to avoid the position movement of the plastic machinery parts when the surface of the plastic machinery parts is photographed, thereby affecting the mirror polishing effect of the surface of the plastic machinery parts, and the design of the driving motor 17 can drive the screw rod 4 to rotate, and through the rotation of the driving screw rod 4 and the limited sliding cooperation of the guide rod 19, the slide seat 18 threadedly installed on the outer surface of the screw rod 4, and the movable working frame 10 connected to the slide seat 18 are engaged. It can be horizontally limited and moved inside the connecting frame 1, so that the plastic machinery parts after being limited in the mobile working frame 10 can reciprocate through the polishing component 1 8 and the polishing component 2 11, which is convenient for polishing by using the polishing component 1 8 and the polishing component 2 11, so that the surface of the plastic machinery parts is mirror polished. After polishing by using the polishing component 1 8 and the polishing component 2 11, the driving motor 17 drives the screw rod 4 to rotate and drive the mobile working frame 10 to move reciprocatingly. The plastic machinery parts after being limited will continuously contact and rub against the bottom outer surface of the oil stone 1102, so that the surface of the plastic machinery parts can be preliminarily polished. In addition, the oil stone 1102 is fixed by the design of the positioning plate 1103, the mounting plate 1104 and the bolts, which is convenient for the user to polish more Replacing the oilstone 1102 with different shapes is conducive to polishing plastic machinery parts of different shapes through the design of oilstones 1102 with different shapes and positions. Then, after polishing the plastic machinery parts with the oilstone 1102, when the movable working frame 10 is moved between the two groups of first fixed plates 5 by rotating the screw rod 4, the design of one group of servo motors 9 can be used to drive the connecting shaft 1 802 and the connecting shaft 2 804 to rotate, so that the coarse grinding sandpaper on the outside of the connecting shaft 1 802 can be attached to the outside of the bottom shaft 803 and the surface of the plastic machinery parts after preliminary polishing. After polishing again, the worn coarse grinding sandpaper can be rolled up by rotating the connecting shaft 2 804, so that the coarse grinding sandpaper can maintain good grinding and polishing of the plastic machinery parts. Light effect, in addition, with the continuous rotation of the screw rod 4, the plastic machinery parts after the secondary grinding and polishing will be accurately transferred between the two sets of second fixed plates 6, and another set of servo motors 9 can be used to drive the connection shaft 1 802 and the connection shaft 2 804 to rotate, so that the fine grinding sandpaper on the outside of the connection shaft 1 802 can be attached to the outside of the bottom shaft 803 and the surface of the plastic machinery parts after the secondary polishing, so that the surface of the plastic machinery parts can achieve a mirror polishing effect, and the worn fine grinding sandpaper can be rolled up by the rotation design of the connecting shaft 2 804, which is convenient for replacing the outer surface of the bottom shaft 803 and the surface grinding area of ​​the plastic machinery parts to maintain a good mirror polishing effect, and then through the continuous rotation of the screw rod 4 and the interruption design of the guide rod 19,Therefore, when the slide 18 moves to the outside of the connecting frame 1, it will rotate, and at the same time, the mobile working frame 10 connected to the slide 18 will move with it, and then when the mobile working frame 10 is transferred to the inside of the cleaning frame 3, the mobile working frame 10 will rotate. The design of the gas rod 12 can make the plastic machinery parts after mirror polishing extend into the cleaning frame 3 where cleaning water is stored. The design of the cleaning frame 3 water can clean the polishing dust attached to the surface of the plastic machinery parts after mirror polishing. After cleaning, the gas rod 12 is contracted to make the plastic machinery parts after mirror polishing stay away from the cleaning water. At the same time, the screw rod 4 is continuously tightened. Clockwise and counterclockwise rotation can throw out the residual cleaning water when cleaning the surface of plastic machinery parts, so that when the screw rod 4 rotates counterclockwise to drive the slide 18 to move into the connecting frame 1, it will return to the position when the slide 18 is away from the connecting frame 1, and then the mobile working frame 10 connected to the slide 18 will be transferred to the top of the collection frame 14. The top of the collection frame 14 is slidably installed with a baffle, which can slide during collection to transfer the plastic machinery parts after the stop limit to the inside of the collection frame 14. When the collection reaches the preset weight, the weighing sensor 16 will cooperate with the alarm to sound an alarm, which is convenient for users to collect the plastic machinery parts after mirror polishing and cleaning.

[0032] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A device for mirror polishing the surface of a plastic machinery part, comprising a connection frame (1) and a built-in plate (15), characterized in that: The front surface of the connecting frame (1) is provided with a polishing assembly 2 (11) for preliminary polishing, a screw rod (4) is installed on one side of the interior of the connecting frame (1), and a driving motor (17) is installed at the end of the screw rod (4), a sliding seat (18) is threadedly installed on the outer surface of the screw rod (4), and a guide rod (19) is slidably arranged inside the sliding seat (18), a cleaning frame (3) is arranged at the end of the screw rod (4), and a collecting frame (14) is installed at the bottom of the connecting frame (1), and weighing sensors (16) are arranged at the four corners of the interior of the collecting frame (14), and the built-in plate (15) is arranged on the weighing The end of the weight sensor (16), a movable working frame (10) is installed on one side of the outer surface of the slide seat (18), and a gas rod 1 (12) is arranged on the inner side of the movable working frame (10), and a positioning component (13) for limiting the speed mechanical accessories is installed at the output end of the gas rod 1 (12), and the positioning component (13) includes a connecting platform (1301), a gas rod 2 (1302) and a limiting plate (1303), gas rod 2 (1302) is installed on both sides of the outer surface of the connecting platform (1301), and a limiting plate (1303) is installed at the output end of the gas rod 2 (1302).

2. The surface mirror polishing equipment for plastic machinery parts according to claim 1, characterized in that: The polishing assembly 2 (11) comprises a connecting frame (1101), an oil stone (1102), a positioning plate (1103) and a mounting plate (1104), wherein the connecting frame (1101) is provided with an oil stone (1102) in the middle, positioning plates (1103) are installed on both sides of the outer surface of the oil stone (1102), and the outer surface of the positioning plate (1103) is provided with a positioning plate (1103), and the positioning plate (1103) is fixedly mounted on the connecting frame (1101) by bolts.

3. The mirror polishing equipment for the surface of plastic machinery parts according to claim 1, characterized in that: A second fixing plate (6) is provided on a side of the outer surface of the connection frame (1) away from the second polishing assembly (11), and two groups of the second fixing plates (6) are provided.

4. The surface mirror polishing equipment for plastic machinery parts according to claim 3, characterized in that: A polishing assembly (8) for further polishing the surface of the plastic machinery parts is arranged between the two groups of the second fixing plates (6), and the polishing assembly (8) comprises sandpaper (801), a connecting shaft (802), a bottom shaft (803) and a connecting shaft (804). The surface of the sandpaper (801) is provided with the connecting shaft (802), and the bottom shaft (803) is installed below the connecting shaft (802), and the connecting shaft (804) is arranged on the upper side of the bottom shaft (803).

5. The surface mirror polishing equipment for plastic machinery parts according to claim 4, characterized in that: A servo motor (9) is disposed at one end of the connecting shaft 1 (802) and the connecting shaft 2 (804), and a side cover (7) is installed outside the servo motor (9).

6. The device for mirror polishing the surface of plastic machinery parts according to claim 5, characterized in that: A first fixing plate (5) is arranged on one side of the outer surface of the connection frame (1) close to the second fixing plate (6), and a polishing assembly (8) for further polishing the surface of the plastic machinery parts is arranged on one side of the first fixing plate (5) and the second fixing plate (6).

7. The mirror polishing device for the surface of plastic machinery parts according to claim 6, characterized in that: The side cover (7) is snap-fitted to one side outer surface of the first fixing plate (5) and the second fixing plate (6), and the first fixing plate (5) and the second fixing plate (6) are fixedly arranged on the outer surface of the connection frame (1).

8. The surface mirror polishing equipment for plastic machinery parts according to claim 1, characterized in that: A support plate (2) is provided at the bottom of the connection frame (1), and two groups of support plates (2) are installed, and a collection frame (14) is installed between the two groups of support plates (2).

9. The mirror polishing device for the surface of plastic machinery parts according to claim 1, characterized in that: The length of the screw rod (4) is greater than the length of the guide rod (19), and the length of the guide rod (19) is the same as the length of the inner side of the connection frame (1).

10. The surface mirror polishing equipment for plastic machinery parts according to claim 1, characterized in that: The movable working frame (10) is slidably arranged inside the connecting frame (1), and a connecting frame (1101) is fixedly mounted on the outer surface of one side of the connecting frame (1).

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