Polishing machine

Abstract

The invention relates to a polishing machine which comprises a machine body, and a sample rotating mechanism, a longitudinal polishing mechanism and a transverse polishing mechanism which are arranged on the machine body, wherein the sample rotating mechanism is used for clamping and rotating a sample, and the sample rotating mechanism can move in the X-axis direction of the lathe bed; the longitudinal polishing mechanism is used for polishing the sample surface along the longitudinal direction of the sample; the transverse polishing mechanism is used for polishing the sample surface in the transverse direction of the sample; the longitudinal polishing mechanism and the transverse polishing mechanism can move in the direction close to or away from the sample rotating mechanism. According to the polishing machine, the longitudinal polishing mechanism and the transverse polishing mechanism can polish the surface of the sample in the longitudinal direction and the transverse direction of the sample respectively, lines generated during polishing are different, different polishing mechanisms can be selected to polish the sample according to machining requirements, or the longitudinal polishing mechanism and the transverse polishing mechanism are used for polishing the sample step by step; manpower consumption can be reduced, the polishing quality is improved, and the working efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of machining equipment, and more specifically, to a polishing machine. Background Art

[0002] When measuring the mechanical properties of materials, tensile specimens are needed. The tensile specimens are installed on the testing machine to apply tension, and the deformation and fracture of the material under different loads can be measured, thereby determining the material's yield strength, tensile strength, elongation and other mechanical performance parameters.

[0003] Tensile specimens need to be polished during processing. When polishing tensile specimens, the polishing lines are generally required to be along the length of the specimen, that is, the polishing lines cannot be concentric circles. The existing method of polishing tensile specimens is usually to polish the tensile specimens manually with handheld electric polishing tools. The polishing of tensile specimens cannot guarantee the uniformity of the polishing, and the handheld polishing tools are time-consuming and laborious to polish tensile specimens. At the same time, the dust generated during polishing is also easy to cause damage to the health of workers. Summary of the invention

[0004] In view of this, an object of the present invention is to provide a polishing machine, aiming to solve the problems existing in the prior art.

[0005] According to the present invention, a polishing machine is provided, which comprises: a bed, and a sample rotating mechanism, a longitudinal polishing mechanism and a transverse polishing mechanism arranged on the bed; wherein, The sample rotating mechanism comprises a chuck and a chuck driving mechanism, wherein the chuck is used to clamp the sample, and the chuck driving mechanism is used to drive the chuck to rotate and then drive the sample to rotate; the sample rotating mechanism can move along the X-axis direction of the bed; The longitudinal polishing mechanism comprises a first polishing wheel and a first polishing wheel driving mechanism, wherein the first polishing wheel driving mechanism is used to drive the first polishing wheel to rotate so as to polish the surface of the sample along the longitudinal direction of the sample; The transverse polishing mechanism comprises a second polishing wheel and a second polishing wheel driving mechanism, wherein the second polishing wheel driving mechanism is used to drive the second polishing wheel to rotate so as to polish the surface of the sample in the transverse direction of the sample; The longitudinal polishing mechanism and the transverse polishing mechanism can both move in a direction close to or away from the sample rotating mechanism.

[0006] Preferably, a slide is provided on the top of the bed for sliding along the X-axis direction of the bed, a chuck seat is provided at one end of the slide, the chuck and the chuck drive mechanism are both provided on the chuck seat, and the chuck drive mechanism is transmission-connected to the chuck.

[0007] Preferably, the sample rotating mechanism further comprises a top mechanism; wherein, The top mechanism is arranged at the other end of the slide, and the top mechanism comprises a top seat and a pneumatic top arranged on the top seat, and the pneumatic top is used for tightening the sample.

[0008] Preferably, a slide drive mechanism is provided between the slide and the bed; wherein, The slide drive mechanism includes a transmission screw, a screw nut, a screw drive motor and a screw support seat; the screw drive motor and the screw support seat are both fixedly connected to the bed, one end of the transmission screw is fixedly connected to the power output shaft of the screw drive motor, the other end of the transmission screw is rotatably connected to the screw support seat, and the screw nut is screwed to the transmission screw; The screw nut is fixedly connected to the bottom of the slide.

[0009] Preferably, the longitudinal polishing mechanism further comprises a sliding bracket and a longitudinal polishing frame; wherein, The sliding bracket is slidably arranged on the top of the bed along the Y-axis direction of the bed, the longitudinal polishing frame is fixed on the sliding bracket, the first polishing wheel and the first polishing wheel driving mechanism are both arranged on the longitudinal polishing frame, the first polishing wheel driving mechanism is transmission-connected with the first polishing wheel, and the rotation axis of the first polishing wheel is perpendicular to the rotation axis of the sample.

[0010] Preferably, two first driving cylinders are arranged between the sliding bracket and the bed, and the two first driving cylinders are respectively arranged on both sides of the sliding bracket, the cylinder barrel of the first driving cylinder is connected to the bed, and the telescopic rod of the first driving cylinder is connected to the sliding bracket.

[0011] Preferably, the transverse polishing mechanism further comprises a fixed bracket and a transverse polishing frame; wherein, The fixed bracket is fixed on the bed, and the transverse polishing frame is slidably arranged on the fixed frame; the second polishing wheel and the second polishing wheel driving mechanism are both arranged on the transverse polishing frame, the second polishing wheel driving mechanism is transmission connected with the second polishing wheel, and the rotation axis of the second polishing wheel is parallel to the rotation axis of the sample.

[0012] Preferably, the second polishing wheel driving mechanism comprises a transverse polishing driving motor, a driving pulley, a synchronous belt and a driven pulley; wherein, The transverse polishing drive motor is fixedly connected to the rear end of the transverse polishing frame, the driving pulley is fixedly connected to the power output shaft of the transverse polishing drive motor, the driven pulley is rotatably connected to the front end of the transverse polishing frame, the synchronous belt is sleeved on the driving pulley and the driven pulley, and the second polishing wheel is connected to the driven pulley.

[0013] Preferably, a second driving cylinder is arranged between the transverse polishing frame and the fixed bracket, the cylinder barrel of the second driving cylinder is connected to the fixed bracket, and the telescopic rod of the second driving cylinder is connected to the transverse polishing frame.

[0014] Preferably, it also includes a dust removal pipe, the inlet end of the dust removal pipe is provided with a dust removal cover, the dust removal cover is located above the sample rotating mechanism, and the outlet end of the dust removal pipe is connected to a dust collector.

[0015] The polishing machine provided by the present invention is provided with a sample rotating mechanism, a longitudinal polishing mechanism and a transverse polishing mechanism. When polishing a tensile sample, the sample rotating mechanism can rotate and move the sample, and the longitudinal polishing mechanism and the transverse polishing mechanism can polish the sample surface along the longitudinal and transverse directions of the sample respectively. Different patterns are generated during polishing. Different polishing mechanisms can be selected to polish the sample according to processing needs, or the longitudinal polishing mechanism and the transverse polishing mechanism can be used for step-by-step polishing, which can reduce manpower consumption, improve polishing quality, and enhance work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and other objects, features and advantages of the present invention will become more apparent through the following description of the embodiments of the present invention with reference to the accompanying drawings.

[0017] Figure 1 A three-dimensional structural schematic diagram of a polishing machine according to an embodiment of the present invention is shown.

[0018] Figure 2 A schematic diagram of the three-dimensional structure of the polishing machine according to an embodiment of the present invention is shown after the casing and the supporting frame are hidden.

[0019] Figure 3 A schematic diagram of the side structure of the polishing machine according to an embodiment of the present invention is shown after the casing and the supporting frame are hidden.

[0020] Figure 4 A structural schematic diagram of a slide drive mechanism in a polishing machine according to an embodiment of the present invention is shown.

[0021] Figure 5 A three-dimensional structural schematic diagram of a transverse polishing mechanism in a polishing machine according to an embodiment of the present invention is shown.

[0022] Figure 6 A schematic structural diagram of a transverse polishing mechanism in a polishing machine according to an embodiment of the present invention is shown.

[0023] In the figure: 1, bed; 11, platform plate; 12, support frame; 2, specimen rotating mechanism; 21, first slide rail; 22, slide; 23, chuck; 24, chuck driving mechanism; 25, chuck seat; 26, pneumatic centering; 27, centering seat; 28, slide driving mechanism; 281, transmission screw; 282, screw nut; 283, screw driving motor; 284, screw support seat; 3, longitudinal polishing mechanism; 31, sliding bracket; 32, the first Two slide rails; 33. First driving cylinder; 34. Longitudinal polishing frame; 35. First polishing wheel; 36. First polishing wheel driving mechanism; 4. Transverse polishing mechanism; 41. Fixed bracket; 42. Transverse polishing frame; 43. Second driving cylinder; 44. Second polishing wheel; 45. Second polishing wheel driving mechanism; 451. Transverse polishing driving motor; 452. Active pulley; 453. Synchronous belt; 5. Dust removal duct; 6. Casing; 7. Tensile specimen. DETAILED DESCRIPTION

[0024] Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. In each of the accompanying drawings, the same elements are represented by the same or similar reference numerals. For the sake of clarity, the various parts in the accompanying drawings are not drawn to scale.

[0025] The present invention provides a polishing machine, referring to Figures 1 to 3 The polishing machine comprises: a bed 1, and a sample rotating mechanism 2, a longitudinal polishing mechanism 3 and a transverse polishing mechanism 4 arranged on the bed 1; wherein the sample rotating mechanism 2 comprises a chuck 23 and a chuck driving mechanism 24, the chuck 23 is used to clamp the sample, and the chuck driving mechanism 24 is used to drive the chuck 23 to rotate and then drive the sample to rotate; the sample rotating mechanism 2 can move along the X-axis direction of the bed 1; the longitudinal polishing mechanism 3 comprises a first polishing wheel 35 and a first polishing wheel driving mechanism 36, the first polishing wheel driving mechanism 36 is used to drive the first polishing wheel 35 to rotate so as to polish the sample surface along the longitudinal direction of the sample; the transverse polishing mechanism 4 comprises a second polishing wheel 44 and a second polishing wheel driving mechanism 45, the second polishing wheel driving mechanism 45 is used to drive the second polishing wheel 44 to rotate so as to polish the sample surface along the transverse direction of the sample; the longitudinal polishing mechanism 3 and the transverse polishing mechanism 4 can both move in a direction close to or away from the sample rotating mechanism 2.

[0026] Specifically, see Figure 1The bed 1 includes a support frame 12 and a platform plate 11 arranged on the top of the support frame 12. The support frame 12 is welded with steel materials. The support frame 12 includes four legs and a top rectangular frame. The four legs are used to support the ground. The platform plate 11 is made of a steel plate of a certain thickness. The platform plate 11 is rectangular and is arranged on the top frame. The length direction of the platform plate 11 is the X-axis direction of the bed 1, the width direction of the platform plate 11 is the Y-axis direction of the bed 1, and the height direction of the platform plate 11 is the Z-axis direction of the bed 1. The polishing machine can clamp and rotate the tensile sample 7 through a rotary drive mechanism, the first polishing wheel 35 of the longitudinal polishing mechanism 3 can polish the sample surface along the longitudinal direction of the sample (the direction of the sample axis), and the second polishing wheel 44 of the transverse polishing mechanism 4 can polish the sample surface along the transverse direction of the sample (the direction perpendicular to the sample axis), that is, the rotation axis of the first polishing wheel 35 and the rotation axis of the second polishing wheel 44 are set at 90 degrees, so as to produce lines in different directions when polishing the sample, and one of the polishing wheels can be selected to polish the sample as needed. Since both the longitudinal polishing mechanism 3 and the transverse polishing mechanism 4 can move in the direction close to or away from the sample rotating mechanism 2, when polishing the sample, one of the longitudinal polishing mechanism 3 and the transverse polishing mechanism 4 can be selected to approach the sample rotating mechanism 2 to polish the tensile sample 7 on the sample rotating mechanism 2. During the sample polishing process, the sample rotating mechanism 2 can move along the X-axis direction of the bed 1, so that the entire length direction range of the sample can be polished. A housing 6 is also provided on the platform plate 11, and the longitudinal polishing mechanism 3 and the transverse polishing mechanism 4 are both provided in the housing 6. An opening is provided on the front side of the housing 6, and a sample rotating mechanism 2 is provided on the platform plate 11 in front of the opening. When the tensile sample 7 on the sample rotating mechanism 2 needs to be polished, the first polishing wheel 35 at the front end of the longitudinal polishing mechanism 3 or the second polishing wheel 44 at the front end of the transverse polishing mechanism 4 moves from the opening on the front side of the housing 6 to the sample to polish the sample. A touch screen is also provided on the housing 6, and the touch screen is connected to the control unit of the polishing machine. The through-hole touch screen can input the processing parameters during polishing, so as to facilitate the polishing process of the sample.

[0027] See also Figure 1 and Figure 2A slide table 22 is provided on the top of the bed 1 for sliding along the X-axis direction of the bed 1, a chuck seat 25 is provided at one end of the slide table 22, the chuck 23 and the chuck drive mechanism 24 are both provided on the chuck seat 25, and the chuck drive mechanism 24 is transmission-connected with the chuck 23. In this embodiment, the chuck 23 is a pneumatic chuck. The sample rotating mechanism 2 also includes a top mechanism; wherein, the top mechanism is provided at the other end of the slide table 22, the top mechanism includes a top seat 27 and a pneumatic top 26 provided on the top seat 27, and the pneumatic top 26 is used to tighten the sample. By providing the top mechanism, the end of a sample with a longer length can be tightened, which can prevent the sample from bending and deforming during polishing. Specifically, in this embodiment, two first slide rails 21 are arranged at intervals on the platform plate 11, and the two first slide rails 21 are extended along the X-axis direction of the bed 1. The bottom of the slide 22 is provided with a first slide groove matching the two first slide rails 21, and the slide 22 is slidably connected to the two first slide rails 21 through the two first slide grooves, so that the slide 22 can move along the X-axis direction of the bed 1. The chuck drive mechanism 24 includes a spindle box and a chuck drive servo motor, the power output end of the chuck drive servo motor is connected to the power input end of the spindle box, and the power output end of the spindle box is connected to the chuck 23. The chuck drive servo motor can adjust the rotation speed of the sample according to the processing requirements. The polishing contact parts of the first polishing wheel 35 and the second polishing wheel 44 are both composed of flexible polishing wires, and the polishing wires have a certain toughness. During polishing, the polishing wires can be pressed onto the sample and contact the sample for polishing.

[0028] Furthermore, a slide drive mechanism 28 is provided between the slide 22 and the bed 1; wherein the slide drive mechanism 28 comprises a transmission screw 281, a screw nut 282, a screw drive motor 283 and a screw support seat 284; the screw drive motor 283 and the screw support seat 284 are both fixedly connected to the bed 1, one end of the transmission screw 281 is fixedly connected to the power output shaft of the screw drive motor, the other end of the transmission screw 281 is rotatably connected to the screw support seat 284, the screw nut 282 is screwed to the transmission screw 281; the screw nut 282 is fixedly connected to the bottom of the slide 22. The screw drive motor 283 can drive the transmission screw 281 to rotate, and the rotation of the transmission screw 281 can drive the screw nut 282 to make a linear motion along the axial direction of the transmission screw 281, thereby driving the slide 22 connected to the screw nut 282 to move. See. Figure 4In this embodiment, the slide drive mechanism 28 is arranged between the two first slide rails 21, and an installation space for the slide drive mechanism 28 is reserved between the slide 22 and the platform plate 11, so that the overall structure of the sample rotating mechanism 2 is more compact. In this embodiment, the screw drive motor 283 is a servo motor, which can adjust the rotation speed of the transmission screw 281 according to the processing requirements, and then adjust the moving speed of the sample along the X-axis direction of the bed 1.

[0029] See also Figure 2 The longitudinal polishing mechanism 3 also includes a sliding bracket 31 and a longitudinal polishing frame 34; wherein the sliding bracket 31 is slidably arranged on the top of the bed 1 along the Y-axis direction of the bed 1, the longitudinal polishing frame 34 is fixed on the sliding bracket 31, the first polishing wheel 35 and the first polishing wheel driving mechanism 36 are both arranged on the longitudinal polishing frame 34, the first polishing wheel driving mechanism 36 is transmission-connected with the first polishing wheel 35, and the rotation axis of the first polishing wheel 35 is perpendicular to the rotation axis of the sample. Specifically, two second slide rails 32 are arranged at intervals on the platform plate 11, and the two second slide rails 32 extend along the Y-axis direction of the bed 1. The sliding bracket 31 includes a top plate, a bottom plate, and a plurality of connecting columns connecting the top plate and the bottom plate. The bottom of the bottom plate is provided with a second slide groove matching the two second slide rails 32, and the sliding bracket 31 is slidably connected to the two second slide rails 32 through the two second slide grooves, so that the sliding bracket 31 can move along the Y-axis direction of the bed 1. The longitudinal polishing frame 34 is installed on the top of the sliding bracket 31, so that the first polishing wheel 35 connected to the longitudinal polishing frame 34 can be located above the tensile sample 7 clamped by the chuck 23 on the sample rotating mechanism 2, and the tensile sample 7 is polished in the longitudinal direction above the tensile sample 7. In specific implementation, the first polishing wheel driving mechanism 36 includes a longitudinal polishing driving motor, a driving wheel, a transmission belt, a driven wheel and a transmission shaft. The longitudinal polishing frame 34 is rotatably provided with a transmission shaft, the first polishing wheel 35 is fixedly connected to the first end of the transmission shaft, and the driven wheel is fixedly connected to the second end of the transmission shaft. The longitudinal polishing driving motor is installed on the longitudinal polishing frame 34, the driving wheel is fixedly connected to the power output shaft of the longitudinal polishing driving motor, and the transmission belt is sleeved on the driving wheel and the driven wheel. The longitudinal polishing driving motor drives the driving wheel to rotate, and through the transmission action of the transmission belt, drives the driven wheel and the transmission shaft to rotate, and then drives the first polishing wheel 35 connected to the transmission shaft to rotate to polish the sample.

[0030] In this embodiment, two first driving cylinders 33 are arranged between the sliding bracket 31 and the bed 1, and the two first driving cylinders 33 are respectively arranged on both sides of the sliding bracket 31, the cylinder barrel of the first driving cylinder 33 is connected to the bed 1, and the telescopic rod of the first driving cylinder 33 is connected to the sliding bracket 31. By arranging the first driving cylinder 33 between the sliding bracket 31 and the bed 1, the telescopic rod of the first driving cylinder 33 is extended, which can push the sliding bracket 31 to move to the side close to the sample rotating mechanism 2, so that the first polishing wheel 35 can polish the sample; the telescopic rod of the first driving cylinder 33 is retracted, which can pull the sliding bracket 31 to move to the side away from the sample rotating mechanism 2, so that the first polishing wheel 35 leaves the sample.

[0031] See also Figure 3 , Figure 5 and Figure 6, the transverse polishing mechanism 4 also includes a fixed bracket 41 and a transverse polishing frame 42; wherein the fixed bracket 41 is fixed on the bed 1, and the transverse polishing frame 42 is slidably arranged on the fixed frame; the second polishing wheel 44 and the second polishing wheel driving mechanism 45 are both arranged on the transverse polishing frame 42, the second polishing wheel driving mechanism 45 is transmission-connected with the second polishing wheel 44, and the rotation axis of the second polishing wheel 44 is parallel to the rotation axis of the sample. Specifically, in this embodiment, the transverse polishing mechanism 4 is located below the longitudinal polishing mechanism 3, and the second polishing wheel 44 of the transverse polishing mechanism 4 can be located below the tensile sample 7 clamped by the chuck 23 on the sample rotating mechanism 2, and the tensile sample 7 is polished in the transverse direction below the tensile sample 7. Specifically, in this embodiment, a rectangular hole is opened on the platform plate 11, the fixed bracket 41 obliquely passes through the rectangular hole on the platform plate 11 and is fixedly connected to the platform plate 11, and the transverse polishing frame 42 is slidably connected to the obliquely arranged fixed frame. When the second polishing wheel 44 is required to perform transverse polishing on the sample, the transverse polishing frame 42 moves upward along the fixed bracket 41, and when the second polishing wheel 44 completes the transverse polishing of the sample, the transverse polishing frame 42 moves downward along the fixed bracket 41, so that the second polishing wheel 44 leaves the sample. In this embodiment, the second polishing wheel driving mechanism 45 includes a transverse polishing driving motor 451, a driving pulley 452, a synchronous belt 453 and a driven pulley; wherein the transverse polishing driving motor 451 is fixedly connected to the rear end of the transverse polishing frame 42, the driving pulley 452 is fixedly connected to the power output shaft of the transverse polishing driving motor 451, the driven pulley is rotatably connected to the front end of the transverse polishing frame 42, the synchronous belt 453 is sleeved on the driving pulley 452 and the driven pulley, and the second polishing wheel 44 is connected to the driven pulley. The transverse polishing drive motor 451 drives the driving pulley 452 to rotate, and drives the driven pulley to rotate through the transmission action of the synchronous belt 453, and then drives the second polishing wheel 44 connected to the driven pulley to rotate to polish the sample.

[0032] See also Figure 5 and Figure 6In this embodiment, a second driving cylinder 43 is provided between the transverse polishing frame 42 and the fixed bracket 41, the cylinder of the second driving cylinder 43 is connected to the fixed bracket 41, and the telescopic rod of the second driving cylinder 43 is connected to the transverse polishing frame 42. By providing the second driving cylinder 43 between the transverse polishing frame 42 and the fixed bracket 41, the telescopic rod of the second driving cylinder 43 is extended to push the transverse polishing frame 42 to move toward the side close to the sample rotating mechanism 2, so that the second polishing wheel 44 can polish the sample; the telescopic rod of the second driving cylinder 43 is retracted to pull the transverse polishing frame 42 to move toward the side away from the sample rotating mechanism 2, so that the second polishing wheel 44 leaves the sample.

[0033] Furthermore, the polishing machine further comprises a dust removal pipe 5, the inlet end of the dust removal pipe 5 is provided with a dust removal cover, the dust removal cover is located above the sample rotating mechanism 2, and the outlet end of the dust removal pipe 5 is connected to the dust collector. By providing the dust removal pipe 5, the dust generated during the polishing of the sample can be removed through the dust removal pipe 5, thereby preventing the dust generated during the polishing from floating in the air and causing damage to the health of the staff.

[0034] In summary, the polishing machine provided by the present invention is provided with a sample rotation mechanism, a longitudinal polishing mechanism and a transverse polishing mechanism. When polishing a tensile sample, the sample rotation mechanism can rotate and move the sample, and the longitudinal polishing mechanism and the transverse polishing mechanism can polish the sample surface along the longitudinal and transverse directions of the sample respectively. The patterns produced during polishing are different. Different polishing mechanisms can be selected to polish the sample according to processing needs, or the longitudinal polishing mechanism and the transverse polishing mechanism can be used for step-by-step polishing, which can reduce manpower consumption, improve polishing quality, and improve work efficiency.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0036] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A polishing machine, characterized in that: include: A bed, and a sample rotating mechanism, a longitudinal polishing mechanism and a transverse polishing mechanism arranged on the bed; wherein, The sample rotating mechanism comprises a chuck and a chuck driving mechanism, wherein the chuck is used to clamp the sample, and the chuck driving mechanism is used to drive the chuck to rotate and then drive the sample to rotate; the sample rotating mechanism can move along the X-axis direction of the bed; The longitudinal polishing mechanism comprises a first polishing wheel and a first polishing wheel driving mechanism, wherein the first polishing wheel driving mechanism is used to drive the first polishing wheel to rotate so as to polish the surface of the sample along the longitudinal direction of the sample; The transverse polishing mechanism comprises a second polishing wheel and a second polishing wheel driving mechanism, wherein the second polishing wheel driving mechanism is used to drive the second polishing wheel to rotate so as to polish the surface of the sample in the transverse direction of the sample; The longitudinal polishing mechanism and the transverse polishing mechanism can both move in a direction close to or away from the sample rotating mechanism.

2. The polishing machine according to claim 1, characterized in that: A slide is provided on the top of the bed for sliding along the X-axis direction of the bed, a chuck seat is provided at one end of the slide, the chuck and the chuck driving mechanism are both provided on the chuck seat, and the chuck driving mechanism is transmission-connected to the chuck.

3. The polishing machine according to claim 2, characterized in that: The sample rotating mechanism also includes a top mechanism; wherein, The top mechanism is arranged at the other end of the slide, and the top mechanism includes a top seat and a pneumatic top arranged on the top seat, and the pneumatic top is used for tightening the sample.

4. The polishing machine according to claim 2, characterized in that: A slide drive mechanism is provided between the slide and the bed; wherein, The slide drive mechanism includes a transmission screw, a screw nut, a screw drive motor and a screw support seat; the screw drive motor and the screw support seat are both fixedly connected to the bed, one end of the transmission screw is fixedly connected to the power output shaft of the screw drive motor, the other end of the transmission screw is rotatably connected to the screw support seat, and the screw nut is screwed to the transmission screw; The screw nut is fixedly connected to the bottom of the slide.

5. The polishing machine according to claim 1, characterized in that: The longitudinal polishing mechanism also includes a sliding bracket and a longitudinal polishing frame; wherein, The sliding bracket is slidably arranged on the top of the bed along the Y-axis direction of the bed, the longitudinal polishing frame is fixed on the sliding bracket, the first polishing wheel and the first polishing wheel driving mechanism are both arranged on the longitudinal polishing frame, the first polishing wheel driving mechanism is transmission-connected with the first polishing wheel, and the rotation axis of the first polishing wheel is perpendicular to the rotation axis of the sample.

6. The polishing machine according to claim 5, characterized in that: Two first driving cylinders are arranged between the sliding bracket and the bed, and the two first driving cylinders are respectively arranged on both sides of the sliding bracket, the cylinder barrel of the first driving cylinder is connected to the bed, and the telescopic rod of the first driving cylinder is connected to the sliding bracket.

7. The polishing machine according to claim 1, characterized in that: The transverse polishing mechanism also includes a fixed bracket and a transverse polishing frame; wherein, The fixed bracket is fixed on the bed, and the transverse polishing frame is slidably arranged on the fixed frame; the second polishing wheel and the second polishing wheel driving mechanism are both arranged on the transverse polishing frame, the second polishing wheel driving mechanism is transmission connected with the second polishing wheel, and the rotation axis of the second polishing wheel is parallel to the rotation axis of the sample.

8. The polishing machine according to claim 7, characterized in that: The second polishing wheel driving mechanism includes a transverse polishing driving motor, a driving pulley, a synchronous belt and a driven pulley; wherein, The transverse polishing drive motor is fixedly connected to the rear end of the transverse polishing frame, the driving pulley is fixedly connected to the power output shaft of the transverse polishing drive motor, the driven pulley is rotatably connected to the front end of the transverse polishing frame, the synchronous belt is sleeved on the driving pulley and the driven pulley, and the second polishing wheel is connected to the driven pulley.

9. The polishing machine according to claim 7, characterized in that: A second driving cylinder is arranged between the transverse polishing frame and the fixed bracket, the cylinder barrel of the second driving cylinder is connected to the fixed bracket, and the telescopic rod of the second driving cylinder is connected to the transverse polishing frame.

10. The polishing machine according to claim 1, characterized in that: It also includes a dust removal pipeline, the inlet end of the dust removal pipeline is provided with a dust removal cover, the dust removal cover is located above the sample rotating mechanism, and the outlet end of the dust removal pipeline is connected to a dust collector.

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