CN219465872U - Polishing machine fixture driving mechanism and polishing machine - Google Patents

Abstract

The utility model relates to the technical field of polishing, in particular to a clamp driving mechanism of a polishing machine and the polishing machine, wherein the clamp driving mechanism is assembled on a rotating frame and used for clamping a workpiece, the driving mechanism is assembled on the rotating frame and used for driving the clamp mechanism, the movable end of a motor is connected with a driving wheel, the driving wheel and a driven wheel are rotationally assembled on the rotating frame, the clamp mechanism is connected with the driven wheel, and a belt is sleeved on the outer annular wall of the driving wheel and the outer annular wall of the driven wheel, and the polishing machine has the advantages that: when the belt is worn out with the driven wheel and the driving wheel, the belt is a main wearing part, when the polishing machine is maintained, only the worn main part belt is required to be replaced, and through the driving mechanism provided with the belt transmission, the replacement frequency of the driven wheel and the driving wheel on the clamp driving mechanism of the polishing machine is reduced, the maintenance step of the clamp driving mechanism of the polishing machine is simplified, the labor cost and the material cost of the maintenance polishing machine are reduced, and therefore the profit of a product is improved.

Description

Polishing machine fixture driving mechanism and polishing machine

Technical Field

The utility model relates to the technical field of polishing, in particular to a polishing machine clamp driving mechanism and a polishing machine.

Background

The fixture driving mechanism of the existing polishing machine usually adopts gear transmission, the fixture driving mechanism adopting the gear transmission is quick in response and high in efficiency, but all parts in the gear transmission are hard connected, after a certain number of times of use, abrasion can occur between gears, the abrasion between the gears causes inconsistent gaps between teeth of the gears, the transmission precision of the gear transmission is low, and the transmission synchronism among the parts in the fixture driving mechanism is influenced.

Secondly, the buffering and damping effects among hard-connected parts in gear transmission are poor, abrasion among gears is increased, gaps among teeth of the gears are increased, shaking among the gears is increased, transmission accuracy of the gear transmission is further affected, transmission synchronism among parts in a clamp driving mechanism is further affected, and processing quality of workpieces on the clamp driving mechanism is affected.

Furthermore, when maintaining clamp driving mechanism, need carry out holistic change to the gear pair that has unable normal operating on the clamp driving mechanism, the step of changing the gear pair is comparatively loaded down with trivial details, consuming time useless, and on the clamp driving mechanism that needs the gear pair tooth number more, has increased clamp driving mechanism's maintenance frequency more, causes required material cost and cost of labor great, has increased the cost of maintaining the burnishing machine.

Disclosure of Invention

The utility model aims to provide a polishing machine clamp driving mechanism and a polishing machine, which are designed for solving at least one technical problem in the background art.

In order to achieve the above purpose, the present utility model adopts the following scheme: the utility model provides a polishing machine fixture driving mechanism, includes the rotation frame, assembles fixture mechanism, the assembly that is used for pressing from both sides tight work piece in the rotation frame are in be used for the drive in the rotation frame fixture mechanism's actuating mechanism, actuating mechanism includes motor, action wheel, follow driving wheel, belt, the stiff end of motor with the rotation frame is connected, the loose end of motor with the action wheel is connected, the action wheel with follow the driving wheel rotation assembly is in the rotation frame, fixture mechanism with follow the driving wheel and be connected, the belt cover is established the outer rampart of action wheel with on the outer rampart of follow driving wheel.

The belt tensioner comprises a rotating frame, and is characterized by further comprising a tensioning mechanism, wherein the tensioning mechanism comprises a tensioning wheel, the tensioning wheel is connected to the rotating frame, and the outer annular wall of the tensioning wheel is at least partially abutted to the belt.

The driven wheels are one or more groups, the tensioning wheels are provided with a plurality of groups, and the tensioning wheels are arranged on two sides of the driven wheels and/or the driving wheels.

The tensioning mechanism further comprises an adjusting plate and an adjusting bolt, wherein a strip-shaped through hole is formed in the adjusting plate, a first screw hole corresponding to the strip-shaped through hole is formed in the rotating frame, the outer wall of the adjusting bolt is arranged in a matched mode with the inner wall of the first screw hole, the tensioning wheel is rotationally connected to the adjusting plate, an external thread of the adjusting bolt penetrates through the strip-shaped through hole and is in threaded connection with an internal thread of the first screw hole, and the adjusting plate is detachably connected to the rotating frame.

The tensioning mechanism comprises a jacking bolt and a fixing plate, wherein the fixing plate is fixedly connected with the rotating frame, a second screw hole matched with the external thread of the jacking bolt is formed in the fixing plate, the second screw hole penetrates through the top wall of the fixing plate towards the top wall of the adjusting plate, the external thread of the jacking bolt is in threaded connection with the internal thread of the second screw hole, and one end of the jacking bolt is in contact with the adjusting plate.

The adjusting plate is provided with a limiting hole, the inner wall of the limiting hole is matched with the outer wall of the jacking bolt, and at least part of the jacking bolt is exposed out of the adjusting plate and is in contact with the bottom wall of the limiting hole.

The fixed plate is positioned above the adjusting plate and is fixedly connected to the rotating frame.

The anti-drop wheel is connected to the rotating frame in a rotating mode, and the belt is in contact with the upper side of the anti-drop wheel.

The outer ring wall ring of the anti-drop wheel is provided with a ring groove, the ring groove is arranged from the outer ring wall of the anti-drop wheel towards the anti-drop wheel in a sunken mode, and the belt is in contact with the inner surface of the ring groove.

The utility model provides a polishing machine, includes fixed frame, movable assembly in be used for polishing the polishing mechanism of work piece in the fixed frame, still include polishing machine anchor clamps actuating mechanism, the rotation frame rotates the assembly in the fixed frame, polishing machine anchor clamps actuating mechanism with polishing mechanism is corresponding the setting, polishing mechanism orientation anchor clamps mechanism round trip movement.

The clamp driving mechanism has the advantages that the clamp driving mechanism adopts belt transmission, parts driven by the belt are in soft connection, and the belt plays a role in buffering and damping in transmission, so that the influence caused by vibration among the parts in transmission is reduced, the abrasion degree among the parts is reduced, the transmission precision among the parts is improved, and the transmission synchronism among the parts in the clamp driving mechanism is improved.

When parts in the clamp driving mechanism adopting belt transmission are worn, the belt is a main worn part, and when the clamp driving mechanism is maintained, only the main worn part belt is required to be detected and replaced, and the step of replacing the belt is more convenient.

Drawings

FIG. 1 is a front view of a polisher;

FIG. 2 is an enlarged partial view of area A of FIG. 1;

FIG. 3 is a perspective view of a polisher;

FIG. 4 is an enlarged partial view of region B of FIG. 3;

FIG. 5 is a schematic view of a polishing machine;

fig. 6 is a partial cross-sectional view of the adjustment plate.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so as to provide an intuitive and visual understanding of each technical feature and overall solution of the present utility model, but are not to be construed as limiting the scope of the present utility model.

In the description of the present utility model, if an orientation description such as "upper", "lower", "front", "rear", "left", "right", etc. is referred to, it is merely for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model. When a feature is referred to as being "disposed," "secured" or "connected" to another feature, it can be directly disposed, secured or connected to the other feature or it can be indirectly disposed, secured or connected to the other feature.

In the description of the present utility model, if "a number" is referred to, it means one or more, if "a number" is referred to, it means two or more, if "greater than", "less than", "exceeding" is referred to, it is to be understood that the number is not included, and if "above", "below", "within" is referred to, it is understood that the number is included. If reference is made to "first", "second" it is to be understood as being used for distinguishing technical features and not as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

Example 1: as shown in fig. 1-6, a polishing machine fixture driving mechanism comprises a rotating frame 159, a fixture mechanism assembled on the rotating frame 159 and used for clamping a workpiece, and a driving mechanism assembled on the rotating frame 159 and used for driving the fixture mechanism, wherein the driving mechanism comprises a motor, a driving wheel 101, a driven wheel 102 and a belt 103, a fixed end of the motor is connected with the rotating frame 159, a movable end of the motor is connected with the driving wheel 101, the driving wheel 101 and the driven wheel 102 are rotatably assembled on the rotating frame 159, the fixture mechanism is connected with the driven wheel 102, the belt 103 is sleeved on an outer annular wall of the driving wheel 101 and an outer annular wall of the driven wheel 102, the belt is matched with the driving wheel and the driven wheel, the belt is respectively meshed with the driving wheel and the driven wheel, the motor drives the driving wheel and the driving wheel to rotate, thereby the belt drives the fixture mechanism clamping the workpiece, the belt has the function of buffering and damping in transmission, the influence of each part caused by vibration, the driven wheels of the belt drive multiple groups are driven wheels, the synchronism of rotation among the driven wheels of the multiple groups is improved, the belt and the driven wheels and the main driven wheels are worn and the belt is worn or worn by the driven wheels is reduced, and the wear is reduced relatively simply, and the wear degree is reduced relatively by the steps is reduced, and the wear is required to be replaced.

The belt tensioning device further comprises a tensioning mechanism, the tensioning mechanism comprises a tensioning wheel 111, the tensioning wheel 111 is connected to the rotating frame 159, at least a part of the outer annular wall of the tensioning wheel 111 is abutted to the belt 103, the belt is tensioned through the outer annular wall of the tensioning wheel when the belt runs, the tensioning force of the belt is increased through the tensioning wheel, and therefore friction force and meshing force between the belt and the driving wheel and between the belt and the driven wheel are increased, and accuracy and stability of the driving mechanism in running are improved.

The driven wheels 102 are one or more groups, the tensioning wheels 111 are provided with a plurality of groups, the tensioning wheels 111 and the tensioning wheels 111 are arranged on two sides of the driven wheels 102 and/or the driving wheels 101, the tensioning wheels respectively tension the belt on two sides of the driven wheels and the driving wheels, friction force between the belt and the driving wheels and friction force between the belt and the driven wheels are increased, so that stress on meshing parts of the belt and the driving wheels and the driven wheels are more uniform, and further stability of meshing of the belt and the driving wheels and the driven wheels is improved.

The tensioning mechanism further comprises an adjusting plate 112 and an adjusting bolt 171, a strip-shaped through hole 114 is formed in the adjusting plate 112, a first screw hole corresponding to the strip-shaped through hole 114 is formed in the rotating frame 159, the outer wall of the adjusting bolt 171 is arranged in a matched mode with the inner wall of the first screw hole, the tensioning wheel 111 is rotationally connected to the adjusting plate 112, external threads of the adjusting bolt 171 penetrate through the strip-shaped through hole 114 and internal threads of the first screw hole to be in threaded connection, the adjusting plate 112 is detachably connected to the rotating frame 159, the position of the adjusting plate in the rotating frame is adjusted, the position relation between the tensioning wheel and a belt is adjusted, accordingly, the tensioning force of the belt is adjusted, when the meshing force between the belt and a driving wheel and a driven wheel is small, the tensioning force of the belt is adjusted through the position relation between the adjusting plate and the belt, the friction force between the belt and the driving wheel and the driven wheel is further increased, the stability of belt transmission is improved, and the service life of the belt is prolonged.

The tensioning mechanism comprises a jacking bolt 172 and a fixing plate 116, the fixing plate 116 is fixedly connected with the rotating frame 159, a second screw hole matched with external threads of the jacking bolt 172 is formed in the fixing plate 116, the second screw hole penetrates through the top wall of the fixing plate 116 towards the top wall of the adjusting plate 112, the external threads of the jacking bolt 172 are in threaded connection with the internal threads of the second screw hole, one end of the jacking bolt 172 is in contact with the adjusting plate 112, the jacking bolt is rotated to press the adjusting plate, so that the position relation between the tensioning wheel on the adjusting plate and the belt is adjusted, the belt tensioning force of the tensioning wheel is adjusted, the adjusting bolt is slightly loosened, the position relation between the tensioning wheel on the adjusting plate and the belt is adjusted through the pressing of the jacking bolt, and therefore convenience of the tensioning wheel is improved.

The axial direction of the second screw hole is parallel to the length direction of the strip-shaped through hole 114, and the distance that the adjusting plate moves along the length direction of the strip-shaped through hole is equal to the distance that the adjusting plate moves towards or away from the fixed plate, so that the efficiency of adjusting the position of the adjusting plate on the rotating frame is improved.

The adjusting plate 112 is provided with a limiting hole 119, the inner wall of the limiting hole 119 is matched with the outer wall of the jacking bolt 172, at least part of the jacking bolt 172 is exposed out of the adjusting plate 112 and contacts with the bottom wall of the limiting hole 119, the radius of the outer wall of the jacking bolt 172 is equal to or tends to be equal to the radius of the inner wall of the limiting hole 119, the limiting hole limits the contact position of the jacking bolt and the adjusting plate, so that the radial movement of the adjusting plate in the jacking bolt is limited, the deviation of the contact position of the jacking bolt and the adjusting plate is reduced, the inclined force of the jacking bolt to the fixing plate and the adjusting plate is reduced, and the deviation of the adjusting plate relative to the fixing plate is reduced.

The fixed plate 116 is located above the adjusting plate 112, the fixed plate 116 is fixedly connected to the rotating frame 159, and the jacking bolts are operated above the fixed plate, so that convenience in manually operating the jacking bolts is improved.

The belt 103 contacts with the upper side of the anti-drop wheel 160 when the belt contacts with the upper side of the anti-drop wheel 160, the belt moves through the upper side of the anti-drop wheel to lift the engagement area of the belt at the lower side of the driven wheel, the risk of belt drop caused by too small friction force between the belt and the driven wheel is reduced, the stability of belt transmission is improved, the anti-drop wheel can counteract the gravity effect of the belt, and the degree of belt slackening caused by gravity effect is reduced.

The outer ring wall ring of the anti-drop wheel 160 is provided with a ring groove 161, the ring groove 161 is arranged from the outer ring wall of the anti-drop wheel 160 towards the anti-drop wheel 160 in a recessed mode, the belt 103 is in contact with the inner surface of the ring groove 161, and displacement of the belt in the axial direction of the anti-drop wheel is reduced by arranging the ring groove, so that displacement of the belt in the axial direction of the driving wheel and in the axial direction of the anti-drop wheel is reduced, the risk that the belt drops from the driving wheel and the driven wheel is reduced, and the meshing stability of the belt, the driving wheel and the driven wheel is further improved.

The distance between the tensioning wheels 111 arranged between the driven wheels 102 and the distance between the driven wheels 102 on two sides are equal, and the tensioning wheels are arranged in the middle positions of the adjacent driven wheels, so that the number of the engaged teeth of the driven wheels and the belt is equal or tends to be equal, the stability of the engagement between the belt and the driven wheels is improved, the friction between the belt and the driven wheels is increased, and the synchronous rotation precision between the driven wheels is improved.

The height of the tensioning wheel 111 is smaller than or equal to that of the driven wheel 102, the belt passes through the lower side of the tensioning wheel, the number of teeth of the adjacent driven wheels of the tensioning wheel, which are meshed with the belt, is further increased, friction between the belt and the driven wheels is further increased, and the stability of belt transmission is further improved.

The anti-drop wheels 160 are arranged in multiple groups, the belt 103 passes through the ring grooves 161 of the anti-drop wheels 160 in multiple groups, the displacement of the belt is limited by the ring grooves of the multiple groups, the displacement of the belt in the axial direction of the anti-drop wheel is reduced, the friction force between the belt and the driven wheel as well as between the belt and the driving wheel is increased, the risk that the belt drops from the driving wheel and the driven wheel is reduced, the stability of belt transmission is further increased, and the loosening degree of the belt due to the action of gravity is further reduced.

The multiple groups of anti-drop wheels 160 are located below the driven wheel 102, the multiple groups of anti-drop wheels 160 are evenly distributed between the driving wheel 101 and the driven wheel 102 which is farthest from the driving wheel 101, the belt passes through the upper side of the anti-drop wheels and is located in the annular groove, and therefore the displacement of the belt in the axial direction of the anti-drop wheel is evenly limited, vibration of the belt in the transmission process is reduced, the risks of dropping of the driving wheel and the driven wheel of the belt are further reduced, and the stability of belt transmission is further improved.

The strip through holes 114 are arranged in multiple groups, the multiple groups of strip through holes 114 are arranged in parallel or tend to be arranged in parallel, the first screw holes are arranged in multiple groups, the multiple groups of first screw holes correspond to the multiple groups of strip through holes 114 respectively, and when the adjusting plate is adjusted, the adjusting plate can be adjusted through the multiple groups of strip through holes and the first screw holes according to the angles required by the adjusting plate.

The clamping mechanism comprises a clamping plate 121 and a clamping air cylinder 122, the clamping plate 121 is connected to the driven wheel 102, the clamping air cylinder 122 is assembled on the clamping plate 121, the movable end of the clamping air cylinder 122 faces the clamping plate 121, one end of a workpiece to be processed is clamped on the clamping mechanism through the clamping air cylinder and the clamping plate, the driven wheel drives the clamping mechanism to rotate, and the clamping mechanism drives the workpiece to rotate, so that different surfaces of the workpiece are processed.

The belt 103 is a synchronous belt, and the driving wheel 101 and the driven wheel 102 are synchronous pulleys matched with the belt 103, so that the stability of belt transmission is further improved, and the transmission precision of the belt transmission is improved.

Example 2: as shown in fig. 1-6, a polishing machine comprises a fixed frame 152, a polishing mechanism movably assembled on the fixed frame 152 and used for polishing workpieces, and further comprises an embodiment 1, wherein a polishing machine clamp driving mechanism is rotatably assembled on the fixed frame 152, the polishing machine clamp driving mechanism and the polishing mechanism are correspondingly arranged, the polishing mechanism moves back and forth towards the clamp mechanism, and the polishing machine clamp driving mechanism is applied to the polishing machine, so that the abrasion degree of a driving wheel and a driven wheel on the polishing machine is reduced, the replacement frequency of the driving wheel and the driven wheel is further reduced, the convenience of maintaining the polishing machine is also improved, the labor cost and the material cost of the polishing machine are reduced, and the produced product profit is further improved.

The polishing mechanism comprises a polishing motor, a polishing belt, a polishing driving wheel 132 and a polishing driven wheel 133, wherein the polishing belt is positioned above the buffer mechanism, the polishing motor drives the polishing driving wheel 132, the polishing driving wheel 132 drives the polishing belt, the polishing belt drives the polishing driven wheel 133, and the polishing clamp driving mechanism adjusts the position of a workpiece on the polishing mechanism, so that the polishing mechanism can polish the workpiece more accurately.

The clamping mechanism comprises a clamping plate 121 and a clamping air cylinder 122, the clamping plate 121 is connected to the driven wheel 102, the clamping air cylinder 122 is assembled on the clamping plate 121, the movable end of the clamping air cylinder 122 faces the clamping plate 121, one end of a workpiece to be processed is clamped on the clamping mechanism through the clamping air cylinder and the clamping plate, the driven wheel drives the clamping mechanism to rotate, and the clamping mechanism drives the workpiece to rotate, so that different surfaces of the workpiece are processed.

The buffer mechanism comprises a rebound piece and a bearing part 142, the bearing part 142 corresponds to the clamp mechanism, one end of the rebound piece is connected to the fixed frame 152, the bearing part 142 is connected to the other end of the rebound piece, the other end of a workpiece clamped on the clamp mechanism is placed on the bearing part, when the clamp mechanism rotates to drive one end of the workpiece to rotate towards the bearing part through rotation of the rotating frame, the rebound piece connected with the bearing part corresponds to the rotation of the workpiece to shrink and rebound, the effect that the bearing part also corresponds to the workpiece with different rotation angles is achieved, and the buffer mechanism plays a role in bearing and buffering the processed workpiece through the arrangement of the buffer mechanism.

The polishing machine further comprises a rotating cylinder 151, the fixed end of the rotating cylinder 151 is connected to the fixed frame 152, the movable end of the rotating cylinder 151 is connected to one end of the rotating frame 159, the other end of the rotating frame 159 is rotationally connected to the fixed frame 152, a connecting plate 153 is arranged at the joint of the rotating cylinder 151 and the rotating frame 159, a yielding through groove 154 corresponding to the belt 103 is formed in the connecting plate 153, the yielding through groove 154 is arranged in a matching mode with the belt 103, the rotating cylinder drives the rotating frame to rotate, the movable end of the rotating cylinder is rotationally connected with the rotating frame through the connecting plate, and a yielding through groove for avoiding the belt is formed in the connecting plate, so that the space utilization rate of the polishing machine is improved.

The rotating cylinders 151 and the connecting plates 153 are arranged in multiple groups, the rotating cylinders 151 are arranged in parallel, the connecting plates 153 are respectively corresponding to the rotating cylinders 151, and the rotating cylinders of the multiple groups drive the rotating frame through the connecting plates, so that the rotating efficiency of the rotating frame is improved.

The position detection device comprises a first inductor 155, the first inductor 155 is connected to the rotating frame 159, the first inductor 155 is used for detecting the rotating angle of the rotating frame 159 relative to the rotating angle of the fixed frame 152, the first inductor is used for detecting the rotating angle of the rotating frame, and the rotating angle of the rotating frame can be detected and adjusted in real time through the arrangement of the first inductor.

The rotating rack 159 is provided with a mounting plate 156, the mounting plate 156 is provided with a strip-shaped hole 157, the first inductor 155 is detachably connected in the strip-shaped hole 157, and the position of the first inductor in the strip-shaped hole is adjusted according to the required rotating angle or rotating precision of the rotating rack, so that the adaptation range of the first inductor to different rotating angles and rotating precision is improved.

The second sensor 158 is disposed on the rotating frame 159, the second sensor 158 is configured to detect a positional relationship between the rotating frame 159 and the receiving portion 142, the first sensor disposed on the rotating frame is configured to detect a rotation angle of the rotating frame, and the data detected by the first sensor and the second sensor is used to better adjust the rotation angle of the rotating frame and a position of the buffer mechanism according to the detected data, so that the rotating frame and the buffer mechanism have better positional accuracy.

The polishing mechanism further comprises a correction wheel 134, the correction wheel 134 is located below the polishing belt, the polishing belt is at least partially in contact with the correction wheel 134, the correction wheels are horizontally arranged in multiple groups, the polishing belt is located on the upper side of the correction wheels, and the levelness of the polishing belt is improved through the arrangement of the multiple groups of horizontal correction wheels, so that the polishing precision of the polishing mechanism is improved.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a polishing machine fixture driving mechanism, includes rotation frame (159), assembles fixture mechanism that is used for pressing from both sides tight work piece on rotation frame (159), assembles on rotation frame (159) be used for the drive fixture mechanism's actuating mechanism, a serial communication port, actuating mechanism includes motor, action wheel (101), from driving wheel (102), belt (103), the stiff end of motor with rotation frame (159) are connected, the active end of motor with action wheel (101) are connected, action wheel (101) with from driving wheel (102) rotation assembly is in on rotation frame (159), fixture mechanism with from driving wheel (102) are connected, belt (103) cover is established on the outer rampart of action wheel (101) with from driving wheel (102).

2. The polisher fixture drive mechanism of claim 1, further comprising a tensioning mechanism including a tensioning wheel (111), the tensioning wheel (111) being connected to the rotating frame (159), an outer annular wall of the tensioning wheel (111) being at least partially in abutment with the belt (103).

3. A polishing machine clamp driving mechanism according to claim 2, characterized in that the driven wheels (102) are one or more groups, the tensioning wheels (111) are provided with a plurality of groups, and the tensioning wheels (111) are arranged on two sides of the driven wheels (102) and/or the driving wheels (101).

4. The polishing machine clamp driving mechanism according to claim 3, wherein the tensioning mechanism further comprises an adjusting plate (112) and an adjusting bolt (171), a strip-shaped through hole (114) is formed in the adjusting plate (112), a first screw hole corresponding to the strip-shaped through hole (114) is formed in the rotating frame (159), the outer wall of the adjusting bolt (171) is arranged in a matched mode with the inner wall of the first screw hole, the tensioning wheel (111) is rotatably connected to the adjusting plate (112), external threads of the adjusting bolt (171) penetrate through the strip-shaped through hole (114) and internal threads of the first screw hole to be in threaded connection, and the adjusting plate (112) is detachably connected to the rotating frame (159).

5. The polishing machine clamp driving mechanism according to claim 4, wherein the tensioning mechanism comprises a jacking bolt (172) and a fixing plate (116), the fixing plate (116) is fixedly connected with the rotating frame (159), a second screw hole matched with external threads of the jacking bolt (172) is formed in the fixing plate (116), the second screw hole penetrates through the top wall of the fixing plate (116) towards the top wall of the adjusting plate (112), the external threads of the jacking bolt (172) are in threaded connection with the internal threads of the second screw hole, and one end of the jacking bolt (172) is in contact with the adjusting plate (112).

6. The polishing machine clamp driving mechanism according to claim 5, wherein the adjusting plate (112) is provided with a limiting hole (119), the inner wall of the limiting hole (119) is adapted to the outer wall of the jacking bolt (172), and at least part of the jacking bolt (172) is exposed out of the adjusting plate (112) and contacts with the bottom wall of the limiting hole (119).

7. The polisher fixture drive mechanism of claim 5, wherein the fixed plate (116) is located above the adjustment plate (112), the fixed plate (116) being fixedly attached to the rotating frame (159).

8. The polisher fixture driving mechanism according to claim 1, further comprising a drop-off prevention wheel (160), wherein the drop-off prevention wheel (160) is rotatably connected to the rotating frame (159), and the belt (103) is in contact with an upper side of the drop-off prevention wheel (160).

9. The polishing machine fixture driving mechanism according to claim 8, wherein an outer ring wall of the drop-off preventing wheel (160) is provided with a ring groove (161), the ring groove (161) is concavely arranged from an outer ring wall of the drop-off preventing wheel (160) toward the drop-off preventing wheel (160), and the belt (103) is in contact with an inner surface of the ring groove (161).

10. The polishing machine comprises a fixed frame (152) and a polishing mechanism movably assembled on the fixed frame (152) and used for polishing a workpiece, and is characterized by further comprising the polishing machine clamp driving mechanism according to any one of claims 1-9, wherein the rotating frame (159) is rotatably assembled on the fixed frame (152), the polishing machine clamp driving mechanism and the polishing mechanism are correspondingly arranged, and the polishing mechanism moves back and forth towards the clamp mechanism.