CN221560890U

CN221560890U - Automatic polishing machine for handle

Info

Publication number: CN221560890U
Application number: CN202323575375.4U
Authority: CN
Inventors: 赵波
Original assignee: Taizhou Hande Engineering Plastic Products Co ltd
Current assignee: Taizhou Hande Engineering Plastic Products Co ltd
Priority date: 2023-12-26
Filing date: 2023-12-26
Publication date: 2024-08-20
Anticipated expiration: 2033-12-26

Abstract

The application provides an automatic polishing machine for a handle, which relates to the technical field of handle polishing processing and comprises a frame, wherein a feeding roller set, a first transverse polishing mechanism, a second transverse polishing mechanism, a first longitudinal polishing mechanism, a third transverse polishing mechanism, a fourth transverse polishing mechanism, a second longitudinal polishing mechanism and a blanking roller set are sequentially arranged on the frame in an arc mode, at least one group of conveying mechanisms is arranged on two sides of the first transverse polishing mechanism, the second transverse polishing mechanism, the third transverse polishing mechanism and the fourth transverse polishing mechanism, the handle is conveyed into the multiple groups of transverse polishing mechanisms and the multiple groups of longitudinal polishing mechanisms through the multiple groups of conveying mechanisms after being conveyed to the feeding roller set, and the handle is polished and then discharged to a collecting position along the blanking roller set after being polished, so that automatic handle polishing is realized, the use cost of the handle is reduced, and the polishing efficiency is improved.

Description

Automatic polishing machine for handle

Technical Field

The application relates to the technical field of handle polishing, in particular to an automatic polishing machine for a handle.

Background

In ordinary life, furniture articles such as a cabinet and a drawer are usually used, wherein a handle is arranged on the cabinet, the cabinet body is convenient to open or close, aluminum alloy is generally selected as a material for delaying the antioxidation speed of the handle and reducing the manufacturing cost, an aluminum ingot is extruded or die-cast to form when the alloy handle is manufactured, and then products formed after processes such as cutting, drilling, tapping, polishing and the like are used for improving the smoothness of the surface of the alloy handle, polishing treatment is needed after the polishing is finished, and the later use effect of the alloy handle is convenient to improve.

At present, when the workpieces of the handle type in the industry are processed and polished, a manual processing mode is generally adopted, namely, manual operation of a polishing machine is adopted, as the shape of an electric appliance handle is a rotary arc body, different polishing auxiliary materials are needed to be adopted at different polishing positions, so that the same product can be polished to obtain a finished product, and multiple people are required to simultaneously operate, so that the processing efficiency and the safety are low.

Disclosure of Invention

The embodiment of the application aims to provide an automatic polishing machine for a handle, which can solve the technical problem of integrated automatic polishing of arc-shaped handle workpieces.

The embodiment of the application provides an automatic polishing machine for a handle, which comprises a rack, wherein a feeding roller set, a first transverse polishing mechanism, a second transverse polishing mechanism, a first longitudinal polishing mechanism, a third transverse polishing mechanism, a second longitudinal polishing mechanism, a fourth transverse polishing mechanism and a discharging roller set are sequentially arranged on the rack in an arc manner;

The first transverse polishing mechanism, the second transverse polishing mechanism, the third transverse polishing mechanism and the fourth transverse polishing mechanism are provided with at least one group of conveying mechanisms on both sides.

Further, the first horizontal grinding mechanism, the second horizontal grinding mechanism, the first vertical grinding mechanism, the third horizontal grinding mechanism all includes first installation case, horizontal adjusting part and two sets of horizontal grinding part, horizontal adjusting part rotates and installs the top of first installation case, two sets of horizontal grinding part installs and sets up on the horizontal adjusting part, horizontal adjusting part drives two sets of horizontal grinding part is close to or keeps away from, still be provided with first leading wheel about still respectively on the both sides wall of first installation case.

Further, the horizontal adjusting part comprises a first sliding block, a second sliding block, a first bidirectional screw rod, a first hand wheel and a first sliding rail part, wherein the first sliding block and the second sliding block are respectively arranged in the first mounting box through the horizontal sliding of the first sliding rail part, the first bidirectional screw rod is rotatably mounted on the first mounting box, two ends of the first bidirectional screw rod are respectively connected with the first sliding block and the second sliding block through threads, and the first hand wheel is fixedly arranged at one end of the first bidirectional screw rod.

Further, two sets of horizontal polishing components set up respectively first sliding block on the second sliding block, horizontal polishing components include first motor, first synchronizing wheel, second synchronizing wheel, first hold-in range, first dwang and horizontal polishing wheel, first synchronizing wheel is fixed on the first motor, the second synchronizing wheel is fixed to be set up the top of first bull stick, horizontal polishing wheel is fixed to be set up the bottom of first bull stick, first hold-in range cover is established first synchronizing wheel and on the second synchronizing wheel.

Further, the first vertical polishing mechanism and the second vertical polishing mechanism comprise a second mounting box, a vertical adjusting component and two groups of vertical polishing components, the two groups of vertical polishing components are mounted and arranged on the side parts of the vertical adjusting component, the vertical adjusting component drives the two groups of vertical polishing components to be close to or far away from each other, and second guide wheels are further arranged on the two side walls of the second mounting box respectively.

Further, the longitudinal adjustment assembly comprises a third sliding block, a fourth sliding block, a second bidirectional screw rod, a second hand wheel and a second sliding rail assembly, wherein the third sliding block and the fourth sliding block are respectively arranged in the second mounting box in a longitudinal sliding manner through the second sliding rail assembly, the second bidirectional screw rod is rotatably mounted on the second mounting box, two ends of the second bidirectional screw rod are respectively in threaded connection with the third sliding block and the fourth sliding block, and the second hand wheel is fixedly arranged at one end of the second bidirectional screw rod.

Further, two sets of vertical polishing components set up respectively the third slider on the fourth slider, vertical polishing components include second motor, third synchronizing wheel, fourth synchronizing wheel, second hold-in range, second bull stick and vertical throwing aureola, the third synchronizing wheel is fixed on the second motor, the fourth synchronizing wheel is fixed to be set up the one end of second bull stick, vertical throwing aureola is fixed to be set up the other end of second bull stick, the second hold-in range cover is established the third synchronizing wheel with on the fourth synchronizing wheel.

Further, the conveying mechanism comprises a mounting frame, a third motor, a third rotating rod, a fourth rotating rod, a fifth sliding block, a driving gear, a driven gear, a first conveying wheel, a second conveying wheel, a screw rod and a third hand wheel, wherein the third motor is fixedly arranged on the mounting frame, the third motor drives the third rotating rod to rotate, the driving gear is fixedly arranged on the third rotating rod, the first conveying wheel is fixedly arranged at the bottom end of the third rotating rod, the fifth sliding block is slidingly arranged in the mounting frame, the screw rod is rotatably arranged in the mounting frame, the third hand wheel is fixedly arranged at one end of the screw rod, the screw rod is in threaded connection with the fifth sliding block, the fourth rotating rod is rotatably arranged on the fifth sliding block, the driven gear is fixedly arranged at the top of the fourth rotating rod, and the second conveying wheel is fixedly arranged at the bottom of the fourth rotating rod.

Further, the structure settings of the feeding roller set and the discharging roller set are the same.

Further, the feeding roller set and the discharging roller set all comprise a mounting frame, a plurality of transverse guide rollers, a plurality of longitudinal guide rollers and a plurality of mounting blocks, the transverse guide rollers are rotatably mounted on the side walls of the mounting blocks, the longitudinal guide rollers are rotatably mounted on the top walls of the mounting blocks, and the mounting blocks are fixed on the mounting frame in an arc-shaped mode.

The utility model has the beneficial effects that:

According to the automatic polishing machine for the handles, provided by the utility model, after the handles are conveyed to the feeding roller sets, the handles are conveyed into the plurality of groups of transverse polishing mechanisms and the plurality of groups of longitudinal polishing mechanisms through the plurality of groups of conveying mechanisms to be polished, and after being polished, the handles are discharged to a collecting position along the discharging roller sets, so that the automatic polishing of the handles is realized, the manual use cost is reduced, and the polishing efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of a first, second, third or fourth lateral sharpening mechanism according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a first, second, third or fourth lateral sharpening mechanism according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a first longitudinal polishing mechanism or a second longitudinal polishing mechanism according to an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of a first longitudinal polishing mechanism or a second longitudinal polishing mechanism according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a conveying mechanism according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a blanking roller set or a loading roller set according to an embodiment of the present utility model.

The reference numerals are respectively:

1. A frame; 11. a feeding roller set; 111. a mounting frame; 112. a transverse guide roller; 113. a longitudinal guide roller; 114. a mounting block; 12. a blanking roller set;

2. a first transverse grinding mechanism; 21. a first mounting box; 211. a first guide wheel; 22. a lateral adjustment assembly; 221. a first slider; 222. a second slider; 223. a first bidirectional screw rod; 224. a first hand wheel; 225. a first slide rail assembly; 23. a transverse grinding assembly; 231. a first motor; 232. a first synchronizing wheel; 233. a second synchronizing wheel; 234. a first synchronization belt; 235. a first rotating lever; 236. a transverse polishing wheel;

3. A second transverse grinding mechanism;

4. A first longitudinal grinding mechanism; 41. a second mounting box; 411. a second guide wheel; 42. a longitudinal adjustment assembly; 421. a third slider; 422. a fourth slider; 423. a second bidirectional screw rod; 424. the second hand wheel; 425. a second slide rail assembly; 43. a longitudinal sanding assembly; 431. a second motor; 432. a third synchronizing wheel; 433. a fourth synchronizing wheel; 434. a second timing belt; 435. a second rotating rod; 436. a longitudinal polishing wheel;

5. A third transverse polishing mechanism;

6. A second longitudinal grinding mechanism;

7. A fourth transverse grinding mechanism;

8. A conveying mechanism; 81. a mounting frame; 82. a third motor; 83. a third rotating rod; 84. a fourth rotating lever; 85. a fifth slip block; 86. a drive gear; 87. a driven gear; 88. a first transfer wheel; 89. a second transfer wheel; 90. screw rod, 91 third hand wheel.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product of the application, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

The embodiment of the application discloses an automatic polishing machine for a handle.

Referring to fig. 1 to 7, an automatic polishing machine for a handle comprises a frame 1, wherein a feeding roller set 11, a first transverse polishing mechanism 2, a second transverse polishing mechanism 3, a first longitudinal polishing mechanism 4, a third transverse polishing mechanism 5, a second longitudinal polishing mechanism 6, a fourth transverse polishing mechanism 7 and a discharging roller set 12 are sequentially arranged on the frame 1 in an arc manner;

at least one group of conveying mechanisms 8 are arranged on two sides of the first transverse polishing mechanism 2, the second transverse polishing mechanism 3, the third transverse polishing mechanism 5 and the fourth transverse polishing mechanism 7;

When the automatic polishing device is used, a handle to be polished is placed on the feeding roller set 11 and inserted into the conveying mechanism 8, the handle is sequentially driven by the conveying mechanism 8 to pass through the first transverse polishing mechanism 2, the second transverse polishing mechanism 3, the first longitudinal polishing mechanism 4, the third transverse polishing mechanism 5, the second longitudinal polishing mechanism 6 and the fourth transverse polishing mechanism 7 for polishing, and finally the polished handle is conveyed to the discharging roller set 12 through the last conveying mechanism 8 and is discharged to a collecting position for collection, so that automatic polishing of the handle is realized, the manual use cost is reduced, and the polishing efficiency is improved.

Referring to fig. 2-3, the first transverse polishing mechanism 2, the second transverse polishing mechanism 3, the first longitudinal polishing mechanism 4 and the third transverse polishing mechanism 5 comprise a first mounting box 21, a transverse adjusting assembly 22 and two groups of transverse polishing assemblies 23, wherein the transverse adjusting assembly 22 is rotatably mounted on the top of the first mounting box 21, the two groups of transverse polishing assemblies 23 are mounted on the transverse adjusting assembly 22, the transverse adjusting assembly 22 drives the two groups of transverse polishing assemblies 23 to approach or separate, and the two side walls of the first mounting box 21 are respectively provided with a first guide wheel 211 up and down;

More specifically, the transverse adjusting assembly 22 includes a first sliding block 221, a second sliding block 222, a first bidirectional screw rod 223, a first hand wheel 224 and a first sliding rail assembly 225, the first sliding block 221 and the second sliding block 222 are respectively arranged in the first mounting box 21 in a transverse sliding manner through the first sliding rail assembly 225, the first bidirectional screw rod 223 is rotatably mounted on the first mounting box 21, two ends of the first bidirectional screw rod 223 are respectively in threaded connection with the first sliding block 221 and the second sliding block 222, and the first hand wheel 224 is fixedly arranged at one end of the first bidirectional screw rod 223;

More specifically, the two sets of transverse polishing components 23 are respectively arranged on the first sliding block 221 and the second sliding block 222, the transverse polishing components 23 comprise a first motor 231, a first synchronous wheel 232, a second synchronous wheel 233, a first synchronous belt 234, a first rotating rod 235 and a transverse polishing wheel 236, the first synchronous wheel 232 is fixed on the first motor 231, the second synchronous wheel 233 is fixedly arranged at the top end of the first rotating rod 235, the transverse polishing wheel 236 is fixedly arranged at the bottom end of the first rotating rod 235, and the first synchronous belt 234 is sleeved on the first synchronous wheel 232 and the second synchronous wheel 233;

When the polishing device is used, the first bidirectional screw rod 223 is driven to rotate by rotating the first hand wheel 224, meanwhile, the first sliding block 221 and the second sliding block 222 are driven to transversely approach or separate from each other in the first mounting box 21, the distance between the first sliding block 221 and the second sliding block 222 is adjusted, namely, the distance between the transverse polishing wheels 236 is adjusted, the first motor 231 is driven to drive the first synchronous wheel 232 to rotate, the first synchronous belt 234 is used for driving the second synchronous wheel 233 to rotate, the first rotating rod 235 is driven to rotate, the transverse polishing wheels 236 are driven to rotate, the handles sequentially enter the first mounting box 21 through the first guide wheels 211, extend out of the first mounting box 21 through the first guide wheels 211 on the other side after the handles are polished through the transverse polishing wheels 236, and enter the next polishing station through the conveying mechanism 8.

Referring to fig. 4-5, the first longitudinal polishing mechanism 4 and the second longitudinal polishing mechanism 6 each comprise a second mounting box 41, a longitudinal adjusting assembly 42 and two sets of longitudinal polishing assemblies 43, wherein the two sets of longitudinal polishing assemblies 43 are arranged on the side parts of the longitudinal adjusting assembly 42, the longitudinal adjusting assembly 42 drives the two sets of longitudinal polishing assemblies 43 to approach or separate, and second guide wheels 411 are respectively arranged on the two side walls of the second mounting box 41.

More specifically, the longitudinal adjustment assembly 42 includes a third sliding block 421, a fourth sliding block 422, a second bidirectional screw rod 423, a second hand wheel 424 and a second sliding rail assembly 425, where the third sliding block 421 and the fourth sliding block 422 are respectively longitudinally slidably disposed in the second mounting box 41 through the second sliding rail assembly 425, the second bidirectional screw rod 423 is rotatably mounted on the second mounting box 41, and two ends of the second bidirectional screw rod 423 are respectively in threaded connection with the third sliding block 421 and the fourth sliding block 422, and the second hand wheel 424 is fixedly disposed at one end of the second bidirectional screw rod 423.

More specifically, the two sets of longitudinal polishing components 43 are respectively arranged on the third sliding block 421 and the fourth sliding block 422, the longitudinal polishing components 43 comprise a second motor 431, a third synchronizing wheel 432, a fourth synchronizing wheel 433, a second synchronizing belt 434, a second rotating rod 435 and a longitudinal polishing wheel 436, the third synchronizing wheel 432 is fixed on the second motor 431, the fourth synchronizing wheel 433 is fixedly arranged at one end of the second rotating rod 435, the longitudinal polishing wheel 436 is fixedly arranged at the other end of the second rotating rod 435, and the second synchronizing belt 434 is sleeved on the third synchronizing wheel 432 and the fourth synchronizing wheel 433;

When the polishing device is used, the second bidirectional screw rod 423 is driven to rotate by rotating the second hand wheel 424, meanwhile, the third sliding block 421 and the fourth sliding block 422 are driven to longitudinally approach or separate from each other in the second mounting box 41, the distance between the third sliding block 421 and the fourth sliding block 422 is adjusted, namely, the distance between the longitudinal polishing wheels 436 is adjusted, the second motor 431 is driven to drive the third synchronizing wheel 432 to rotate, the second synchronizing wheel 433 is driven to rotate by the second synchronizing belt 434, the second rotating rod 435 is driven to rotate, the longitudinal polishing wheels 436 rotate, the handles sequentially enter the second mounting box 41 through the second guiding wheels 411, extend out of the second mounting box 41 through the second guiding wheels 411 on the other side after the handles are polished by the longitudinal polishing wheels 436, and enter the next polishing station through the conveying mechanism 8.

Referring to fig. 6, the conveying mechanism 8 includes a mounting frame 81, a third motor 82, a third rotating rod 83, a fourth rotating rod 84, a fifth sliding block 85, a driving gear 86, a driven gear 87, a first conveying wheel 88, a second conveying wheel 89, a screw rod 90 and a third hand wheel 91, wherein the third motor 82 is fixedly arranged on the mounting frame 81, the third motor 82 drives the third rotating rod 83 to rotate, the driving gear 86 is fixedly arranged on the third rotating rod 83, the first conveying wheel 88 is fixedly arranged at the bottom end of the third rotating rod 83, the fifth sliding block 85 is slidingly arranged in the mounting frame 81, the screw rod 90 is rotatably arranged in the mounting frame 81, the third hand wheel 91 is fixedly arranged at one end of the screw rod 90, the screw rod 90 is in threaded connection with the fifth sliding block 85, the fourth rotating rod 84 is rotatably arranged on the fifth sliding block 85, the driven gear 87 is fixedly arranged at the top of the fourth rotating rod 84, and the second conveying wheel 89 is fixedly arranged at the bottom of the fourth rotating rod 84;

When the handle is used, the third hand wheel 91 rotates to enable the fifth sliding block 85 to move in the mounting frame 81, the second conveying wheel 89 below is driven to move, the distance between the second conveying wheel 89 and the first conveying wheel 88 can just abut against the handle, the driven gear 87 which can be meshed with the driving gear 86 is replaced, then the third motor 82 drives the third rotating rod 83 to rotate to drive the driving gear 86 to rotate, the driven gear 87 also rotates, and meanwhile the first conveying wheel 88 and the second conveying wheel 89 rotate to convey the handle.

Referring to fig. 7, the configuration of the loading roller set 11 and the unloading roller set 12 are the same.

More specifically, the feeding roller set 11 and the discharging roller set 12 each include a mounting frame 111, a plurality of transverse guide rollers 112, a plurality of longitudinal guide rollers 113 and a plurality of mounting blocks 114, the transverse guide rollers 112 are rotatably mounted on the side walls of the mounting blocks 114, the longitudinal guide rollers 113 are rotatably mounted on the top walls of the mounting blocks 114, and the plurality of mounting blocks 114 are fixed on the mounting frame 111 in an arc-shaped arrangement;

When the handle is used, the handle can be placed on the transverse guide roller 112 to be pushed into the conveying mechanism 8, and meanwhile, the longitudinal guide roller 113 can limit the handle in the horizontal direction, so that the handle can be more accurately aligned into the conveying mechanism 8.

The implementation principle of the automatic polishing machine for the handle provided by the embodiment of the application is as follows: the third hand wheel 91 in the adjusting and conveying mechanism 8 rotates to enable the fifth sliding block 85 to move in the mounting frame 81, the second conveying wheel 89 below is driven to move, the distance between the second conveying wheel 89 and the first conveying wheel 88 can just abut against the handle, meanwhile, the driven gear 87 which can be meshed with the driving gear 86 is well replaced to rotate, the first hand wheel 224 in the first transverse polishing mechanism 2, the second transverse polishing mechanism 3, the first longitudinal polishing mechanism 4 and the third transverse polishing mechanism 5 are adjusted to drive the first bidirectional screw 223 to rotate, the first sliding block 221 and the second sliding block 222 are driven to move in the first mounting box 21, the distance between the first sliding block 221 and the second sliding block 222 is adjusted, the distance between the transverse polishing wheels 236 is matched with the handle, the second hand wheel 424 in the first longitudinal polishing mechanism 4 and the second longitudinal polishing mechanism 6 are adjusted, the second hand wheel 424 is rotated to drive the second bidirectional screw rod 423 to rotate, meanwhile, the third sliding block 421 and the fourth sliding block 422 are driven to longitudinally approach or separate relatively in the second mounting box 41, the distance between the third sliding block 421 and the fourth sliding block 422 is adjusted to enable the distance between the longitudinal polishing wheels 436 to be matched with the handle, after adjustment, the first motor 231, the second motor 431 and the third motor 82 are started, the handle is placed on the transverse guide roller 112 to be pushed into the conveying mechanism 8, meanwhile, the longitudinal guide roller 113 can limit the handle in the horizontal direction, the handle can be more accurately aligned into the conveying mechanism 8, and the handle sequentially passes through the first transverse polishing mechanism 2, the second transverse polishing mechanism 3, the first longitudinal polishing mechanism 4 and the third transverse polishing mechanism 5 through the driving of the conveying mechanism 8, the second longitudinal polishing mechanism 6 and the fourth transverse polishing mechanism 7 perform polishing treatment, and finally, the polished handles are conveyed to the blanking roller set 12 through the final conveying mechanism 8 and discharged to a collecting place for collection.

The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automatic burnishing machine for handle, includes frame, its characterized in that: the machine frame is provided with a feeding roller set, a first transverse polishing mechanism, a second transverse polishing mechanism, a first longitudinal polishing mechanism, a third transverse polishing mechanism, a second longitudinal polishing mechanism, a fourth transverse polishing mechanism and a discharging roller set which are sequentially arranged in an arc manner;

2. The automatic polishing machine for handles according to claim 1, wherein the first transverse polishing mechanism, the second transverse polishing mechanism, the first longitudinal polishing mechanism and the third transverse polishing mechanism comprise a first mounting box, a transverse adjusting assembly and two groups of transverse polishing assemblies, the transverse adjusting assembly is rotatably mounted at the top of the first mounting box, the two groups of transverse polishing assemblies are mounted on the transverse adjusting assembly, the transverse adjusting assembly drives the two groups of transverse polishing assemblies to be close to or far away from each other, and first guide wheels are further arranged on two side walls of the first mounting box respectively.

3. The automatic polishing machine for handles according to claim 2, wherein the transverse adjusting assembly comprises a first sliding block, a second sliding block, a first bidirectional screw rod, a first hand wheel and a first sliding rail assembly, the first sliding block and the second sliding block are respectively arranged in the first mounting box in a transverse sliding manner through the first sliding rail assembly, the first bidirectional screw rod is rotatably mounted on the first mounting box, two ends of the first bidirectional screw rod are respectively in threaded connection with the first sliding block and the second sliding block, and the first hand wheel is fixedly arranged at one end of the first bidirectional screw rod.

4. The automatic polishing machine for handles according to claim 3, wherein two sets of horizontal polishing components are respectively arranged on the first sliding block and the second sliding block, each horizontal polishing component comprises a first motor, a first synchronous wheel, a second synchronous wheel, a first synchronous belt, a first rotating rod and a horizontal polishing wheel, the first synchronous wheel is fixed on the first motor, the second synchronous wheel is fixedly arranged at the top end of the first rotating rod, the horizontal polishing wheel is fixedly arranged at the bottom end of the first rotating rod, and the first synchronous belt is sleeved on the first synchronous wheel and the second synchronous wheel.

5. The automatic polishing machine for handles according to claim 1, wherein the first longitudinal polishing mechanism and the second longitudinal polishing mechanism comprise a second mounting box, a longitudinal adjusting assembly and two sets of longitudinal polishing assemblies, the two sets of longitudinal polishing assemblies are mounted on the side parts of the longitudinal adjusting assembly, the longitudinal adjusting assembly drives the two sets of longitudinal polishing assemblies to be close to or far away from each other, and second guide wheels are respectively arranged on two side walls of the second mounting box up and down.

6. The automatic polishing machine for handles according to claim 5, wherein the longitudinal adjustment assembly comprises a third sliding block, a fourth sliding block, a second bidirectional screw rod, a second hand wheel and a second sliding rail assembly, the third sliding block and the fourth sliding block are respectively longitudinally arranged in the second mounting box in a sliding manner through the second sliding rail assembly, the second bidirectional screw rod is rotatably mounted on the second mounting box, two ends of the second bidirectional screw rod are respectively in threaded connection with the third sliding block and the fourth sliding block, and the second hand wheel is fixedly arranged at one end of the second bidirectional screw rod.

7. The automatic polishing machine for handles according to claim 6, wherein two sets of the longitudinal polishing components are respectively arranged on the third sliding block and the fourth sliding block, the longitudinal polishing components comprise a second motor, a third synchronous wheel, a fourth synchronous wheel, a second synchronous belt, a second rotating rod and a longitudinal polishing wheel, the third synchronous wheel is fixed on the second motor, the fourth synchronous wheel is fixedly arranged at one end of the second rotating rod, the longitudinal polishing wheel is fixedly arranged at the other end of the second rotating rod, and the second synchronous belt is sleeved on the third synchronous wheel and the fourth synchronous wheel.

8. The automatic polishing machine for handles according to claim 1, wherein the conveying mechanism comprises a mounting frame, a third motor, a third rotating rod, a fourth rotating rod, a fifth sliding block, a driving gear, a driven gear, a first conveying wheel, a second conveying wheel, a screw rod and a third hand wheel, the third motor is fixedly arranged on the mounting frame, the third motor drives the third rotating rod to rotate, the driving gear is fixedly arranged on the third rotating rod, the first conveying wheel is fixedly arranged at the bottom end of the third rotating rod, the fifth sliding block is slidingly arranged in the mounting frame, the screw rod is rotatably arranged in the mounting frame, the third hand wheel is fixedly arranged at one end of the screw rod, the screw rod is in threaded connection with the fifth sliding block, the fourth rotating rod is rotatably arranged on the fifth sliding block, the driven gear is fixedly arranged at the top of the fourth rotating rod, and the second conveying wheel is fixedly arranged at the bottom of the fourth rotating rod.

9. The automatic polishing machine for handles as recited in claim 1, wherein the structure settings of said feeding roller set and said discharging roller set are the same.

10. The automatic polishing machine for handles according to claim 9, wherein the feeding roller set and the discharging roller set each comprise a mounting frame, a plurality of transverse guide rollers, a plurality of longitudinal guide rollers and a plurality of mounting blocks, the transverse guide rollers are rotatably mounted on the side walls of the mounting blocks, the longitudinal guide rollers are rotatably mounted on the top walls of the mounting blocks, and the plurality of mounting blocks are fixed on the mounting frame in an arc-shaped arrangement.