CN113681418A

CN113681418A - Ornamental material polishing equipment that factor of safety is high

Info

Publication number: CN113681418A
Application number: CN202110922620.0A
Authority: CN
Inventors: 黄健
Original assignee: Guangzhou Tuokang Decoration Material Co ltd
Current assignee: Gunagzhou Weibai Musical Instrument Manufacturing Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2021-11-23
Anticipated expiration: 2041-08-12
Also published as: CN113681418B

Abstract

The invention relates to a high-safety-factor decorative material polishing device, which comprises a shell, a supporting tube, a polishing sheet, a transmission shaft and a first bearing, wherein the shell is provided with a through hole, the transmission shaft penetrates through the through hole, the transmission shaft is in sliding and sealing connection with the inner wall of the through hole, the polishing sheet is positioned outside the shell, the polishing sheet is arranged at one end of the transmission shaft, an inner ring of the first bearing is arranged on the transmission shaft, an outer ring of the first bearing is connected with the shell, the axis of the supporting tube is vertical to and intersected with the axis of the transmission shaft, one end of the supporting tube is arranged on the shell, the other end of the supporting tube is positioned outside the shell, the supporting tube is communicated with the shell, the shell is provided with a driving mechanism and an auxiliary mechanism, and the high-safety-factor decorative material polishing device realizes the function of driving the polishing sheet to rotate through the driving mechanism, moreover, the function of reducing sweat on the hand of the user is realized through the auxiliary mechanism, and the sweat is prevented from slipping.

Description

Ornamental material polishing equipment that factor of safety is high

Technical Field

The invention relates to the field of decorative material processing, in particular to a decorative material polishing device with high safety coefficient.

Background

The polishing machine is one kind of decorating material processing equipment, and has sponge or wool polishing disc driven by motor to rotate at high speed for the polishing disc to rub with the surface to be polished to eliminate paint surface pollution, oxide layer and shallow mark.

When the existing handheld polishing machine is used for a long time, a large amount of sweat can be generated on the hand of a user, the sweat easily enables the hand of the user to slip, the practicability is reduced, moreover, after the polishing machine is used, the polishing machine is forgotten to be closed due to negligence, the polishing piece in a rotating state easily causes harm to the human body, and the safety is reduced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the decorative material polishing equipment with high safety coefficient is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an ornamental material polishing equipment that factor of safety is high, includes casing, stay tube, polishing piece, transmission shaft and first bearing, be equipped with the through-hole on the casing, the transmission shaft passes the through-hole, the inner wall of transmission shaft and through-hole slides and sealing connection, polishing piece is located the outside of casing, polishing piece installs the one end at the transmission shaft, the inner circle of first bearing is installed on the transmission shaft, the outer lane and the casing of first bearing are connected, the axis of stay tube is perpendicular and crossing with the axis of transmission shaft, the one end setting of stay tube is on the casing, the other end of stay tube is located the outside of casing, stay tube and casing intercommunication, be equipped with actuating mechanism and complementary unit on the casing, actuating mechanism is connected with the transmission shaft transmission;

the auxiliary mechanism comprises a first one-way valve, a second one-way valve, a filter screen and a pressure regulating assembly, an air outlet is formed in one side of the shell, which is far away from the support tube, the air outlet is communicated with the inner wall of the shell, the first one-way valve is installed in the air outlet, the second one-way valve and the filter screen are both installed in the support tube, the pressure regulating assembly is arranged on the transmission shaft, and the pressure regulating assembly drives the air pressure in the shell to reciprocate;

the driving mechanism comprises a driven bevel gear, a movable plate, a movable rod, a fixed block, a spring, a push plate, a driving assembly and at least two pushing assemblies, the driven bevel gear is arranged at one end of a transmission shaft, which is far away from the polishing sheet, the push plate is arranged in the supporting pipe, a gap is arranged between the push plate and the inner wall of the supporting pipe, the movable rod is coaxially arranged with the supporting pipe, the movable rod is positioned between the transmission shaft and the push plate, one end of the movable rod is arranged on the push plate, the movable plate is arranged at the other end of the movable rod, the fixed block is arranged on the inner wall of the shell, a round hole is arranged on the fixed block, the movable rod penetrates through the round hole, the movable rod is in sliding connection with the inner wall of the round hole, the movable plate is abutted against the fixed block, the spring is positioned between the push plate and the fixed block, the fixed block is connected with the push plate through the spring, and the pushing assemblies are circumferentially and uniformly distributed on one side of the push plate, which is far away from the movable rod, with the axis of the supporting pipe as the center, the driving assembly is positioned between the transmission shaft and the moving plate and arranged in the shell;

the driving assembly comprises a driving motor, a driving shaft, a driving bevel gear and a second bearing, the driving motor is arranged on the moving plate, the driving shaft and the supporting tube are coaxially arranged, the driving motor is in transmission connection with one end, close to the moving plate, of the driving shaft, the driving bevel gear is arranged at the other end of the driving shaft, a gap is formed between the driving bevel gear and the driven bevel gear, the inner ring of the second bearing is arranged on the driving shaft, and the outer ring of the second bearing is connected with the moving plate;

the pushing assembly comprises an extrusion rod and a pushing unit, the extrusion rod is parallel to the supporting tube and located outside the supporting tube, a gap is formed between the extrusion rod and the supporting tube, and the middle end of the extrusion rod is connected with the pushing plate through the pushing unit.

As preferred, in order to realize the change of the air pressure in the shell, the pressure regulating component comprises an eccentric wheel, a ball, a pressure regulating rod, a conduit and a mounting hole, the mounting hole is arranged on one side of the shell, which is far away from the supporting tube, the conduit is parallel to the supporting tube, the conduit passes through the mounting hole, the conduit is hermetically connected with the inner wall of the mounting hole, the conduit, the pressure regulating rod and the ball are all arranged on one side of the transmission shaft, which is far away from the supporting tube, the eccentric wheel is arranged on the transmission shaft, the periphery of the eccentric wheel is provided with an annular groove, the spherical center of the ball is arranged in the annular groove, the ball is matched with the annular groove, the ball is slidably connected with the inner wall of the annular groove, the spherical diameter of the ball is larger than the width of the notch of the annular groove, the pressure regulating rod and the conduit are coaxially arranged, one end of the pressure regulating rod is inserted into the conduit, and the ball is arranged at the other end of the pressure regulating rod, the pressure regulating rod is connected with the inner wall of the conduit in a sliding and sealing manner.

Preferably, both ends of the conduit are chamfered to facilitate installation of the conduit.

Preferably, in order to realize the movement of the push plate, the push unit includes a connecting rod, a connecting rod and an assembly hole, the assembly hole is disposed on the support tube, an axis of the connecting rod is perpendicular to and intersects with an axis of the support tube, the connecting rod passes through the assembly hole, the connecting rod slides and is hermetically connected to an inner wall of the assembly hole, the connecting rod is disposed on one side of the push plate, which is away from the moving rod, the connecting rod is obliquely disposed between the connecting rod and the push plate, the connecting rod is disposed in the support tube, one end of the connecting rod is disposed at a middle end of the extrusion rod, the other end of the connecting rod is hinged to the push plate through the connecting rod, and a distance between one end of the connecting rod, which is close to the push plate, and an axis of the support tube is smaller than a distance between the other end of the connecting rod and the axis of the support tube.

Preferably, in order to increase the friction between the hand of the user and the support tube, the outer wall of the support tube is provided with anti-slip threads.

The decorative material polishing equipment with the high safety coefficient has the advantages that the function of driving the polishing sheet to rotate is realized through the driving mechanism, compared with the existing driving mechanism, the driving mechanism can also have the function of automatically stopping the rotation of the polishing sheet, the polishing sheet in a rotating state is prevented from hurting people, the safety is improved, in addition, the function of reducing sweat on the hand of a user is realized through the auxiliary mechanism, the sweat is prevented from skidding, compared with the existing auxiliary mechanism, the auxiliary mechanism can also improve the heat dissipation effect of the driving motor through the flowing of air in the shell, and the practicability is stronger.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view showing the construction of a high-safety polishing apparatus for a finishing material according to the present invention;

FIG. 2 is a schematic structural view of a driving mechanism of the high-safety-factor finishing material polishing apparatus of the present invention;

FIG. 3 is a schematic view showing the construction of a driving assembly of the high-safety finishing material polishing apparatus according to the present invention;

FIG. 4 is a schematic view showing the construction of a pressure regulating assembly of the high-safety polishing apparatus for decorating materials according to the present invention;

in the figure: 1. the automatic polishing device comprises a shell, 2. a support pipe, 3. a polishing sheet, 4. a transmission shaft, 5. a first bearing, 6. a first one-way valve, 7. a second one-way valve, 8. a filter screen, 9. a driven bevel gear, 10. a moving plate, 11. a moving rod, 12. a fixed block, 13. a spring, 14. a push plate, 15. a driving motor, 16. a driving shaft, 17. a driving bevel gear, 18. a second bearing, 19. an extrusion rod, 20. an eccentric wheel, 21. a ball, 22. a pressure regulating rod, 23. a guide pipe, 24. a connecting rod and 25. a connecting rod.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in figure 1, the decorating material polishing device with high safety factor comprises a shell 1, a supporting pipe 2, a polishing sheet 3, a transmission shaft 4 and a first bearing 5, the shell 1 is provided with a through hole, the transmission shaft 4 penetrates through the through hole, the transmission shaft 4 is connected with the inner wall of the through hole in a sliding and sealing way, the polishing sheet 3 is positioned outside the shell 1, the polishing sheet 3 is arranged at one end of the transmission shaft 4, the inner ring of the first bearing 5 is arranged on the transmission shaft 4, the outer ring of the first bearing 5 is connected with the shell 1, the axis of the support tube 2 is perpendicular to and intersects with the axis of the transmission shaft 4, one end of the support tube 2 is arranged on the shell 1, the other end of the support pipe 2 is positioned outside the shell 1, the support pipe 2 is communicated with the shell 1, the shell 1 is provided with a driving mechanism and an auxiliary mechanism, and the driving mechanism is in transmission connection with the transmission shaft 4;

the auxiliary mechanism comprises a first one-way valve 6, a second one-way valve 7, a filter screen 8 and a pressure regulating assembly, an air outlet hole is formed in one side, far away from the supporting tube 2, of the shell 1, the air outlet hole is communicated with the inner wall of the shell 1, the first one-way valve 6 is installed in the air outlet hole, the second one-way valve 7 and the filter screen 8 are installed in the supporting tube 2, the pressure regulating assembly is arranged on the transmission shaft 4, and the pressure regulating assembly drives the air pressure in the shell 1 to reciprocate;

during the use of the equipment, a user holds the support tube 2 by hand, the drive mechanism can enable the drive shaft 4 to rotate under the support effect of the first bearing 5, the rotation of the drive shaft 4 drives the polishing sheet 3 to rotate, namely, the polishing sheet 3 can polish the decorative material, the rotation of the drive shaft 4 enables the air pressure in the shell 1 to reciprocate through the pressure regulating component, when the air pressure in the shell 1 is increased, the air in the shell 1 cannot be conveyed into the support tube 2 and can only be discharged from the air outlet hole through the one-way characteristic of the second one-way valve 7, when the air pressure in the shell 1 is reduced, the air outside the shell 1 cannot be conveyed into the shell 1 from the air outlet hole and can only be conveyed into the shell 1 from the support tube 2 through the one-way characteristic of the first one-way valve 6, and the impurity in the air can be intercepted through the filter screen 8, meanwhile, heat generated by the hands of the user can be conveyed to the air in the supporting tube 2 through the supporting tube 2, and the supporting tube 2 can be cooled through the flowing of the air, so that sweat on the hands of the user is reduced, and the phenomenon that the sweat on the hands of the user is excessive and slips is prevented.

As shown in fig. 2-3, the driving mechanism includes a driven bevel gear 9, a moving plate 10, a moving rod 11, a fixed block 12, a spring 13, a pushing plate 14, a driving assembly, and at least two pushing assemblies, the driven bevel gear 9 is installed at one end of the transmission shaft 4 far away from the polishing sheet 3, the pushing plate 14 is disposed in the support tube 2, a gap is formed between the pushing plate 14 and the inner wall of the support tube 2, the moving rod 11 is coaxially disposed with the support tube 2, the moving rod 11 is located between the transmission shaft 4 and the pushing plate 14, one end of the moving rod 11 is disposed on the pushing plate 14, the moving plate 10 is disposed at the other end of the moving rod 11, the fixed block 12 is disposed on the inner wall of the housing 1, a circular hole is disposed on the fixed block 12, the moving rod 11 passes through the circular hole, the moving rod 11 is slidably connected with the inner wall of the circular hole of the moving plate, and the moving plate 10 abuts against the fixed block 12, the spring 13 is positioned between the push plate 14 and the fixed block 12, the fixed block 12 is connected with the push plate 14 through the spring 13, each pushing component is circumferentially and uniformly distributed on one side of the push plate 14 away from the moving rod 11 by taking the axis of the support tube 2 as a center, the driving component is positioned between the transmission shaft 4 and the moving plate 10, and the driving component is arranged in the shell 1;

the driving assembly comprises a driving motor 15, a driving shaft 16, a driving bevel gear 17 and a second bearing 18, wherein the driving motor 15 is arranged on the moving plate 10, the driving shaft 16 is coaxially arranged with the supporting tube 2, the driving motor 15 is in transmission connection with one end, close to the moving plate 10, of the driving shaft 16, the driving bevel gear 17 is installed at the other end of the driving shaft 16, a gap is formed between the driving bevel gear 17 and the driven bevel gear 9, the inner ring of the second bearing 18 is installed on the driving shaft 16, and the outer ring of the second bearing 18 is connected with the moving plate 10;

the pushing assembly comprises an extrusion rod 19 and a pushing unit, the extrusion rod 19 is parallel to the support tube 2, the extrusion rod 19 is located outside the support tube 2, a gap is formed between the extrusion rod 19 and the support tube 2, and the middle end of the extrusion rod 19 is connected with the push plate 14 through the pushing unit.

When the device is used, during the period that a user holds the handle by hand, the user can push the extrusion rod 19 to move towards the direction close to the support tube 2, and make the extrusion rod 19 abut against the support tube 2, while the movement of the extrusion rod 19 makes the push plate 14 move towards the direction close to the transmission shaft 4 through the pushing unit, the movement of the push plate 14 drives the moving rod 11 to synchronously move on the fixed block 12, and makes the spring 13 generate deformation, the movement of the moving rod 11 drives the moving plate 10 to synchronously move, the movement of the moving plate 10 drives the driving shaft 16 to synchronously move through the second bearing 18, the movement of the driving shaft 16 can drive the driving bevel gear 17 to be meshed with the driven bevel gear 9, and the driving motor 15 is started, so that the driving shaft 16 rotates under the supporting action of the second bearing 18, the rotation of the driving shaft 16 drives the driven bevel gear 9 to rotate through the driving bevel gear 17, the rotation of the driven bevel gear 9 can drive the transmission shaft 4 to rotate, this equipment finishes using the back, user's hand unclamps stay tube 2, at this moment, elastic action through spring 13 then can make push pedal 14 reverse movement, push pedal 14's reverse movement makes the 19 reverse movements of extrusion pole realize reseing through promoting the unit, and push pedal 14's reverse movement still drives movable plate 10 reverse movement through carriage release lever 11, can make drive bevel gear 17 and driven bevel gear 9 mesh promptly, thereby can make polished section 3 stall, prevent that the polished section 3 of rotation state from causing the injury to the human body, the security has been improved.

As shown in fig. 4, the pressure regulating assembly includes an eccentric wheel 20, a ball 21, a pressure regulating rod 22, a conduit 23 and a mounting hole, the mounting hole is disposed on one side of the housing 1 far away from the support tube 2, the conduit 23 is parallel to the support tube 2, the conduit 23 passes through the mounting hole, the conduit 23 is connected with the inner wall of the mounting hole in a sealing manner, the conduit 23, the pressure regulating rod 22 and the ball 21 are all located on one side of the transmission shaft 4 far away from the support tube 2, the eccentric wheel 20 is mounted on the transmission shaft 4, an annular groove is disposed on the periphery of the eccentric wheel 20, the center of the ball 21 is disposed in the annular groove, the ball 21 is matched with the annular groove, the ball 21 is connected with the inner wall of the annular groove in a sliding manner, the spherical diameter of the ball 21 is greater than the width of the notch of the annular groove, the pressure regulating rod 22 is disposed coaxially with the conduit 23, one end of the pressure regulating rod 22 is inserted into the conduit 23, the ball 21 is disposed at the other end of the pressure regulating rod 22, the pressure regulating rod 22 is connected with the inner wall of the conduit 23 in a sliding and sealing manner.

The rotation of the transmission shaft 4 drives the eccentric wheel 20 to rotate, the rotation of the eccentric wheel 20 can enable the pressure regulating rod 22 to reciprocate in the guide pipe 23 through the ball 21, when the pressure regulating rod 22 moves towards the direction far away from the supporting pipe 2, the air pressure in the shell 1 can be reduced, when the pressure regulating rod 22 moves in the reverse direction, the air pressure in the shell 1 can be increased, and the cycle is repeated.

Preferably, in order to facilitate the installation of the guide tube 23, both ends of the guide tube 23 are chamfered.

The chamfer serves to reduce the diameter of the conduit 23 as it passes through the mounting hole, providing an easy to install effect.

Preferably, in order to realize the movement of the push plate 14, the pushing unit includes a connecting rod 24, a connecting rod 25 and a fitting hole, the fitting hole is provided on the support tube 2, an axis of the connecting rod 25 is perpendicular to and intersects with an axis of the support tube 2, the connecting rod 25 passes through the fitting hole, the connecting rod 25 is slidably and hermetically connected with an inner wall of the fitting hole, the connecting rod 25 is located on a side of the push plate 14 away from the moving rod 11, the connecting rod 24 is obliquely provided between the connecting rod 25 and the push plate 14, the connecting rod 24 is located in the support tube 2, one end of the connecting rod 25 is provided at a middle end of the pressing rod 19, the other end of the connecting rod 25 is hinged to the push plate 14 through the connecting rod 24, and a distance between one end of the connecting rod 24 close to the push plate 14 and an axis of the support tube 2 is smaller than a distance between the other end of the connecting rod 24 and an axis of the support tube 2.

When the extrusion rod 19 moves towards the direction close to the support tube 2, the connecting rod 25 is driven to move synchronously, the connecting rod 25 moves to drive the push plate 14 to move towards the direction close to the fixed block 12 through the connecting rod 24, and when the push plate 14 moves towards the direction far away from the fixed block 12, the connecting rod 25 can drive the extrusion rod 19 to move reversely through the connecting rod 24 to realize resetting.

Preferably, in order to increase the friction between the user's hand and the support tube 2, the outer wall of the support tube 2 is provided with anti-slip threads.

The anti-slip lines are used for improving the friction force between the hands of a user and the support tube 2 and preventing slipping.

When the device is used, during the period that a user holds the handle by hand, the user can push the extrusion rod 19 to move towards the direction close to the support tube 2, and make the extrusion rod 19 abut against the support tube 2, while the movement of the extrusion rod 19 makes the push plate 14 move towards the direction close to the transmission shaft 4 through the pushing unit, the movement of the push plate 14 drives the moving rod 11 to synchronously move on the fixed block 12, and makes the spring 13 generate deformation, the movement of the moving rod 11 drives the moving plate 10 to synchronously move, the movement of the moving plate 10 drives the driving shaft 16 to synchronously move through the second bearing 18, the movement of the driving shaft 16 can drive the driving bevel gear 17 to be meshed with the driven bevel gear 9, and the driving motor 15 is started, so that the driving shaft 16 rotates under the supporting action of the second bearing 18, the rotation of the driving shaft 16 drives the driven bevel gear 9 to rotate through the driving bevel gear 17, the rotation of the driven bevel gear 9 can drive the transmission shaft 4 to rotate under the supporting action of the first bearing 5, the rotation of the transmission shaft 4 drives the polishing sheet 3 to rotate, namely, the polishing sheet 3 can polish decorative materials, the rotation of the transmission shaft 4 enables the air pressure in the shell 1 to reciprocate through the pressure regulating component, when the air pressure in the shell 1 is increased, the air in the shell 1 cannot be conveyed into the supporting tube 2 through the one-way characteristic of the second one-way valve 7, and only the air can be discharged from the air outlet hole, when the air pressure in the shell 1 is reduced, the air outside the shell 1 cannot be conveyed into the shell 1 through the air outlet hole through the one-way characteristic of the first one-way valve 6, and only the air outside the shell 1 can be conveyed into the shell 1 through the supporting tube 2, and the impurity in the air can be intercepted through the filter screen 8, meanwhile, the heat generated by the hand of a user can be conveyed into the air in the supporting tube 2 through the supporting tube 2, and the cooling of the supporting tube 2 can be realized through the flowing of the air, reduce the sweat of user's hand, prevent that user's hand sweat is too much and skid, this equipment back that finishes using, user's hand loosens stay tube 2, at this moment, elastic action through spring 13 then can make push pedal 14 reverse movement, push pedal 14's reverse movement makes the 19 reverse movement of stripper bar realize reseing through the promotion unit, and push pedal 14's reverse movement still drives movable plate 10 reverse movement through carriage release lever 11, can make drive bevel gear 17 and driven bevel gear 9 mesh promptly, thereby can make polished section 3 stall, prevent that the polished section 3 of rotation state from causing the injury to the human body, the security has been improved.

Compared with the prior art, this ornamental material polishing equipment that factor of safety is high has realized the drive through actuating mechanism and has polished piece 3 pivoted function, compare with current actuating mechanism, this actuating mechanism can also play automatic stop polished piece 3 pivoted functions, prevent that rotation state's polished piece 3 from hindering the people, the security has been improved, moreover, still realized the function that reduces user's hand sweat through complementary unit, prevent that the sweat from leading to skidding, compare with current complementary unit, this complementary unit passes through the flow of the air in the casing 1, can also promote driving motor 15's radiating effect, the practicality is stronger.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an ornamental material polishing equipment that factor of safety is high, includes casing (1), stay tube (2), polishing piece (3), transmission shaft (4) and first bearing (5), be equipped with the through-hole on casing (1), transmission shaft (4) pass the through-hole, the inner wall of transmission shaft (4) and through-hole slides and sealing connection, polishing piece (3) are located the outside of casing (1), the one end at transmission shaft (4) is installed in polishing piece (3), the inner circle of first bearing (5) is installed on transmission shaft (4), the outer lane and the casing (1) of first bearing (5) are connected, the axis of stay tube (2) is perpendicular and crossing with the axis of transmission shaft (4), the one end setting of stay tube (2) is on casing (1), the other end of stay tube (2) is located the outside of casing (1), the supporting tube (2) is communicated with the shell (1), and is characterized in that the shell (1) is provided with a driving mechanism and an auxiliary mechanism, and the driving mechanism is in transmission connection with the transmission shaft (4);

the auxiliary mechanism comprises a first one-way valve (6), a second one-way valve (7), a filter screen (8) and a pressure regulating assembly, an air outlet hole is formed in one side, far away from the supporting tube (2), of the shell (1), the air outlet hole is communicated with the inner wall of the shell (1), the first one-way valve (6) is installed in the air outlet hole, the second one-way valve (7) and the filter screen (8) are installed in the supporting tube (2), the pressure regulating assembly is arranged on the transmission shaft (4), and the pressure regulating assembly drives air pressure in the shell (1) to reciprocate;

the driving mechanism comprises a driven bevel gear (9), a moving plate (10), a moving rod (11), a fixed block (12), a spring (13), a push plate (14), a driving component and at least two pushing components, wherein the driven bevel gear (9) is installed at one end of a transmission shaft (4) far away from a polishing sheet (3), the push plate (14) is arranged in a support pipe (2), a gap is formed between the push plate (14) and the inner wall of the support pipe (2), the moving rod (11) and the support pipe (2) are coaxially arranged, the moving rod (11) is positioned between the transmission shaft (4) and the push plate (14), one end of the moving rod (11) is arranged on the push plate (14), the moving plate (10) is arranged at the other end of the moving rod (11), the fixed block (12) is arranged on the inner wall of the shell (1), and a round hole is formed in the fixed block (12), the movable rod (11) penetrates through the round hole, the movable rod (11) is connected with the inner wall of the round hole in a sliding mode, the movable plate (10) abuts against the fixed block (12), the spring (13) is located between the push plate (14) and the fixed block (12), the fixed block (12) is connected with the push plate (14) through the spring (13), each pushing assembly is circumferentially and uniformly distributed on one side, far away from the movable rod (11), of the push plate (14) by taking the axis of the supporting tube (2) as the center, the driving assembly is located between the transmission shaft (4) and the movable plate (10), and the driving assembly is arranged in the shell (1);

the driving assembly comprises a driving motor (15), a driving shaft (16), a driving bevel gear (17) and a second bearing (18), the driving motor (15) is arranged on the moving plate (10), the driving shaft (16) and the supporting tube (2) are coaxially arranged, the driving motor (15) is in transmission connection with one end, close to the moving plate (10), of the driving shaft (16), the driving bevel gear (17) is installed at the other end of the driving shaft (16), a gap is formed between the driving bevel gear (17) and the driven bevel gear (9), the inner ring of the second bearing (18) is installed on the driving shaft (16), and the outer ring of the second bearing (18) is connected with the moving plate (10);

the pushing assembly comprises an extrusion rod (19) and a pushing unit, the extrusion rod (19) is parallel to the supporting tube (2), the extrusion rod (19) is located outside the supporting tube (2), a gap is formed between the extrusion rod (19) and the supporting tube (2), and the middle end of the extrusion rod (19) is connected with the push plate (14) through the pushing unit.

2. The high-safety-factor decorating material polishing device according to claim 1, wherein the pressure regulating assembly comprises an eccentric wheel (20), a ball (21), a pressure regulating rod (22), a conduit (23) and a mounting hole, the mounting hole is formed in one side, far away from the supporting pipe (2), of the shell (1), the conduit (23) is parallel to the supporting pipe (2), the conduit (23) penetrates through the mounting hole, the conduit (23) is connected with the inner wall of the mounting hole in a sealing mode, the conduit (23), the pressure regulating rod (22) and the ball (21) are all located on one side, far away from the supporting pipe (2), of the transmission shaft (4), the eccentric wheel (20) is installed on the transmission shaft (4), an annular groove is formed in the periphery of the eccentric wheel (20), the center of the ball (21) is arranged in the annular groove, the ball (21) is matched with the annular groove, and the ball (21) is connected with the inner wall of the annular groove in a sliding mode, the ball diameter of ball (21) is greater than the notch width of ring channel, pressure regulating rod (22) and pipe (23) coaxial setting, the one end of pressure regulating rod (22) is inserted in pipe (23), ball (21) set up the other end at pressure regulating rod (22), pressure regulating rod (22) and the inner wall of pipe (23) slide and sealing connection.

3. The high-safety trim material polishing apparatus according to claim 2, wherein both ends of the guide tube (23) are chamfered.

4. The high-safety finishing material polishing apparatus as set forth in claim 1, wherein the pushing unit comprises a connecting rod (24), a connecting rod (25) and an assembly hole, the assembly hole is provided on the support tube (2), an axis of the connecting rod (25) is perpendicular to and intersects with an axis of the support tube (2), the connecting rod (25) passes through the assembly hole, the connecting rod (25) is slidably and sealingly connected with an inner wall of the assembly hole, the connecting rod (25) is located at a side of the push plate (14) away from the moving rod (11), the connecting rod (24) is obliquely disposed between the connecting rod (25) and the push plate (14), the connecting rod (24) is located inside the support tube (2), one end of the connecting rod (25) is disposed at a middle end of the pressing rod (19), and the other end of the connecting rod (25) is hinged to the push plate (14) through the connecting rod (24), the distance between one end of the connecting rod (24) close to the push plate (14) and the axis of the support tube (2) is smaller than the distance between the other end of the connecting rod (24) and the axis of the support tube (2).

5. The high-safety trim material polishing device according to claim 1, wherein the outer wall of the support tube (2) is provided with anti-slip threads.