CN111037427A

CN111037427A - Polishing machine

Info

Publication number: CN111037427A
Application number: CN201911414264.0A
Authority: CN
Inventors: 朱莎莎
Original assignee: Hunan Renhua Intelligent Technology Co Ltd
Current assignee: Hunan Renhua Intelligent Technology Co Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-04-21
Anticipated expiration: 2039-12-27
Also published as: CN111037427B

Abstract

The invention relates to a polishing machine, which comprises a shell, a rack, a workbench, a feeding device, a clamping device, a moving device, a grinding wheel device, an abrasive belt polishing device and a control device, wherein a chip removal port is formed in the workbench, a discharge chute is formed below the shell, when the polishing machine works, a workpiece is placed on the feeding device, then the control device controls the clamping device to clamp the front part of the workpiece and then horizontally place the workpiece, then the moving device clamps the back part of the horizontally placed workpiece, the workpiece is moved to the grinding wheel device to polish the upper surface and the lower surface of the workpiece, then the abrasive belt polishing device is moved to polish the front surface and the side surface of the workpiece, the workpiece is moved to the middle part to polish the front end surface and the handle arc through an arc-shaped grinding wheel, after polishing is finished, the workpiece is moved to a blanking chute through the moving device to enable the workpiece to fall down, and chip generated by the grinding wheel device and the abrasive, therefore, the polishing effect of the workpiece can be guaranteed, the workpiece is prevented from cracking, and the polishing efficiency is effectively improved.

Description

Polishing machine

Technical Field

The invention relates to the technical field of hardware pliers processing equipment, in particular to a polishing machine.

Background

At present, the processing procedures of hardware pliers workpieces (hereinafter referred to as workpieces) comprise casting, grinding, polishing and the like, and in the polishing operation, automatic polishing is mostly adopted along with the development of the prior art so as to facilitate production; however, when the general automatic polishing machine is used for processing, the circular operation is not convenient, the work efficiency is not improved, the clamp body is not convenient to stably fix, and the rapid production is not facilitated.

In the prior art, a special tool for polishing hardware pincers is provided, but the polishing equipment in the prior art generally fixes a polishing machine, clamps a workpiece through a clamping device, moves the clamping device and the workpiece to the polishing machine through a transmission device, polishes the workpiece through the polishing machine, only replaces manual polishing through a machine, and when polishing is performed through the polishing machine, the workpiece is in rigid contact with the polishing machine when in contact with the polishing machine, and the cast workpiece is fragile, so that the workpiece is cracked when the polishing machine polishes the workpiece, and the workpiece is discarded.

Disclosure of Invention

The invention aims to provide a polishing machine which has the characteristics of ensuring the polishing effect of workpieces, avoiding cracking and effectively improving the polishing efficiency.

In order to solve the technical problem, the invention is solved by the following technical scheme:

a frame is arranged at the lower portion in the shell, a workbench is arranged at the upper end of the frame, a feeding device and a clamping device which are connected with the shell are arranged on one side of the front portion of the workbench, a moving device is arranged at the rear portion of the workbench, the front portion of the workbench corresponds to the moving device and is provided with a grinding wheel device and an abrasive belt grinding device, a control device connected with the clamping device, the moving device, the grinding wheel device and the abrasive belt grinding device is connected onto the frame, a chip removal port is formed in the workbench between the abrasive belt grinding device and the moving device, and a discharge chute is formed below the shell corresponding to the clamping device.

Further preferably, the feeding device comprises a sliding feeding frame, one end of the sliding feeding frame is connected to the shell, the sliding feeding frame comprises a connecting seat connected with the shell, a base plate is arranged on the connecting seat, an inclined plane and a horizontal plane are arranged at the upper end of the base plate, a supporting plate capable of being disassembled and replaced is arranged on the inclined plane, and a stop block is connected to the horizontal plane.

Further preferably, the clamping device comprises a transverse guide rail connected with the side surface of the shell, a transverse connecting plate with a transverse guide groove is arranged on the transverse guide rail in a matching way, one side of the transverse connecting plate is connected with a transverse cylinder, the front end of the transverse connecting plate is provided with a vertical sliding rail which is matched with a vertical connecting plate with a vertical guide groove, the bottom end of the vertical connecting plate is connected with a vertical cylinder, the front end of the vertical connecting plate is connected with a rotating cylinder, the rotating cylinder is connected with a material clamping cylinder through a rotating seat, the output end of the material clamping cylinder is provided with two material clamping blocks, the output ends of the two material clamping blocks are provided with a supporting seat, a backing plate is arranged at the upper end of the supporting seat, a connecting frame is connected with one side of the supporting seat, a pressing cylinder is connected with the top end of the connecting frame, and a piston rod of the pressing cylinder is connected with a pressing block which is matched with the backing plate to clamp a workpiece.

Preferably, the moving device comprises a fixed seat arranged at the upper end of the workbench, a transverse moving guide rail is arranged at the upper end of the fixed seat, a transverse moving seat with a moving chute is arranged on the fixed seat in a matching manner, a transverse moving motor is connected to one end of the fixed seat, an output shaft of the transverse moving motor is connected with the transverse moving seat, a longitudinal moving guide rail is arranged on the transverse moving seat, a longitudinal moving seat with a longitudinal moving guide groove is arranged on the transverse moving seat in a matching manner, a longitudinal connecting seat is connected to the rear end of the longitudinal moving seat, a longitudinal moving motor parallel to the longitudinal connecting seat is arranged on one side of the longitudinal connecting seat, an output shaft of the longitudinal moving motor is connected with a longitudinal moving driving shaft for driving the longitudinal moving seat to move through a belt, a vertical support is connected to the upper end of the longitudinal moving seat, a clamping seat is connected, the front end of the clamping seat is provided with a clamping cylinder connected with an output shaft of the clamping driving motor, and the output end of the clamping cylinder is provided with two clamping blocks.

Further preferably, the grinding wheel device comprises a grinding carriage arranged at the upper end of the workbench, two groups of grinding machines which are arranged oppositely are connected to the grinding carriage, grinding wheel driving motors which drive the two groups of grinding machines to move up and down are respectively arranged at two ends of the grinding carriage, the grinding machines comprise grinding wheel seats on the grinding carriage, grinding wheel motors on the grinding wheel seats, and output shafts of the grinding wheel motors are connected with first grinding wheels.

Preferably, the abrasive belt polishing device comprises a base frame, two groups of abrasive belt devices are oppositely arranged on the base frame, abrasive belt polishing motors for respectively controlling the two groups of abrasive belt devices are respectively arranged at two ends of the base frame, the abrasive belt device comprises an abrasive belt polishing seat arranged on the base frame, a rotating seat is arranged on the abrasive belt polishing seat, a rotating motor for driving the rotating seat to rotate is arranged at one side of the abrasive belt polishing seat, an abrasive belt frame is arranged at the upper end of the rotating seat, a first driving wheel, a first driven wheel and a tension wheel are arranged at the front end of the abrasive belt frame, an abrasive belt driving motor which is in shaft connection with the first driving wheel is arranged at the rear end of the abrasive belt frame, the first driving wheel, the first driven wheel and the tension wheel are connected through an abrasive belt, a top belt device which is convenient for polishing a workpiece and an abrasive belt under stress is arranged at one side of the middle part of the abrasive belt frame of one group, the abrasive belt driving motor and the first driving wheel of one group of abrasive belt devices are arranged at the upper part of the abrasive belt frame, and the abrasive belt driving motor and the first driving wheel of the other group of abrasive belt devices are arranged at the lower part of the abrasive belt frame.

Further preferably, the top belt device comprises a top belt seat, a top belt block is connected to the top belt seat through a screw rod, a spring penetrating through the screw rod is arranged between the top belt block and the top belt seat, and a top belt cylinder capable of driving the top belt seat to move is connected to the back of the sand belt frame.

Further preferably, the arc-shaped grinding wheel assembly comprises a second driving wheel, a second driven wheel and an arc-shaped grinding wheel, the second driving wheel is coaxially connected with the first driving wheel, the second driven wheel is coaxially connected with the first driven wheel, the arc-shaped grinding wheel is arranged in the middle of the abrasive belt frame, the second driving wheel, the second driven wheel and the arc-shaped grinding wheel are connected through a belt, the arc-shaped grinding wheel is connected with the abrasive belt frame through an arc-shaped grinding wheel seat, and the back of the abrasive belt frame is connected with an arc-shaped grinding wheel cylinder capable of driving the.

Further preferably, the clamping block comprises a first connecting block connected with the clamping cylinder, a clamping main body is arranged at one end of the first connecting block, an arc-shaped clamping groove convenient for placing the protruding position of the head of the workpiece is formed in the middle of the clamping main body, and clamping teeth used for matching with the front end of the head of the workpiece are arranged at the front end of the clamping main body.

Further preferably, the clamping block comprises a second connecting block connected with the clamping cylinder, a clamping body is arranged at one end of the second connecting block, a device groove is formed in the inner wall of the clamping body, and an arc-shaped clamping block convenient for clamping a handle part of a workpiece is detachably connected in the device groove.

The invention has the beneficial effects that: the automatic chip removing machine comprises a shell, a rack is arranged at the lower part in the shell, a workbench is arranged at the upper end of the rack, a feeding device and a clamping device which are connected with the shell are arranged at one side of the front part of the workbench, a moving device is arranged at the rear part of the workbench, a grinding wheel device and a sand belt polishing device are arranged at the front part of the workbench corresponding to the moving device, a control device connected with the clamping device, the moving device, the grinding wheel device and the sand belt polishing device is connected with the rack, a chip removing port is formed in the workbench between the sand belt polishing device and the moving device, a discharge chute is arranged below the shell corresponding to the clamping device, when the automatic chip removing machine works, a workpiece is firstly placed on the feeding device, then the clamping device is controlled by the control device to clamp the front part of the workpiece and then horizontally place the workpiece, then the horizontally placed rear part of the workpiece is clamped, then, the front and the side of the workpiece are polished by moving the abrasive belt polishing device, the front end face and the handle arc of the workpiece are polished by moving the workpiece to the middle part through the arc-shaped grinding wheel, after the polishing is finished, the workpiece is moved to the blanking groove through the moving device to drop the workpiece, and scraps generated by the abrasive belt polishing device and the abrasive belt polishing device are discharged through the scrap discharge port, so that the polishing effect of the workpiece can be ensured, the workpiece is prevented from cracking, and the polishing efficiency is effectively improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural diagram of the hidden housing of the present invention.

Fig. 3 is another structural schematic diagram of the hidden housing of the present invention.

FIG. 4 is a schematic view of the structure of the feeding device of the present invention.

Fig. 5 is a schematic structural view of the material clamping device of the present invention.

FIG. 6 is another schematic view of the material clamping device of the present invention.

Fig. 7 is a schematic structural diagram of a mobile device according to the present invention.

FIG. 8 is a schematic view showing the structure of the grinding wheel unit of the present invention.

Fig. 9 is a schematic view of the structure of the abrasive belt abrasive device of the present invention.

Fig. 10 is another schematic view of the abrasive belt abrasive device of the present invention.

FIG. 11 is a schematic view of the structure of the clamp block of the present invention.

FIG. 12 is a schematic view of the construction of the clamping block of the present invention.

Reference numerals

1. The device comprises a shell, 2, a rack, 3, a workbench, 4, a feeding device, 5, a clamping device, 6, a moving device, 7, a grinding wheel device, 8, a sand belt device, 9, a control device, 10, a chip removal port, 11, a discharge chute, 41, a connecting seat, 42, a base plate, 43, an inclined plane, 44, a horizontal plane, 45, a supporting plate, 46, a stop block, 51, a transverse guide rail, 52, a transverse connecting plate, 53, a transverse cylinder, 54, a vertical connecting plate, 55, a vertical cylinder, 56, a rotating cylinder, 57, a clamping cylinder, 58, a clamping block, 59, a supporting seat, 510, a backing plate, 511, a connecting frame, 512, a pressing cylinder, 513, a pressing block, 61, a fixing seat, 62, a transverse guide rail, 63, a transverse moving seat, 64, a transverse moving motor, 66, a longitudinal moving seat, 67, a longitudinal connecting seat, 68, a longitudinal moving cylinder, 69, a vertical support, 610, a clamping seat, clamping drive motor, 612, clamping cylinder, 613, clamping block, 71, grinding carriage, 72, grinding machine, 73, grinding wheel drive motor, 74, grinding wheel holder, 75, grinding wheel motor, 76, first grinding wheel, 81, base frame, 82, belt sander, 83, belt sanding holder, 84, rotating holder, 85, rotating motor, 86, belt holder, 87, first drive wheel, 88, first driven wheel, 89, tensioning wheel, 810, belt, 811, belt holder, 812, belt top block, 813, belt top cylinder, 814, second drive wheel, 815, second driven wheel, 816, arc grinding wheel, 817, arc grinding wheel holder, 818, arc grinding wheel cylinder, 819, belt drive motor, 581, first connecting plate, 582, clamping body, 583, arc clamping groove, 584, clamping tooth, 6131, second connecting plate, 6132, clamping body, 6133, arc clamping block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1-3, a polishing machine comprises a housing 1, a frame 2 is disposed at the lower portion of the housing 1, a worktable 3 is disposed at the upper end of the frame 2, a feeding device 4 and a clamping device 5 connected to the housing 1 are disposed at one side of the front portion of the worktable 3, a moving device 6 is disposed at the rear portion of the worktable 3, a grinding wheel device 7 and an abrasive belt 810 polishing device 8 are disposed at the front portion of the worktable 3 corresponding to the moving device 6, a control device 9 connected to the clamping device 5, the moving device 6, the grinding wheel device 7 and the abrasive belt 810 polishing device 8 is connected to the frame 2, a chip removal opening 10 is disposed on the worktable 3 between the abrasive belt 810 polishing device 8 and the moving device 6, a discharge chute 11 is disposed below the clamping device 5 corresponding to the housing 1, when in operation, a workpiece is first placed on the feeding device 4, the control device 9 controls the material clamping device 5 to clamp the front part of the workpiece and then horizontally place the workpiece, the moving device 6 clamps the rear part of the horizontally placed workpiece, the workpiece is moved to the grinding wheel device 7 to polish the upper and lower surfaces of the workpiece, the abrasive belt 810 grinding device 8 is moved to polish the side surface of the workpiece, after polishing is finished, the workpiece is moved to the blanking groove through the moving device 6 to enable the workpiece to fall down, and chip dust generated by chip grinding workpieces of the grinding wheel device 7 and the abrasive belt 810 grinding device 8 is discharged through the chip discharge port 10, so that the polishing effect of the workpiece can be guaranteed, cracking is avoided, and the polishing efficiency is effectively improved.

As shown in fig. 4, in this embodiment, the feeding device 4 includes a sliding feeding rack with one end connected to the housing 1, the sliding feeding rack includes a connecting seat 41 connected to the housing 1, a base plate 42 is disposed on the connecting seat 41, an inclined surface 43 and a horizontal surface 44 are disposed at the upper end of the base plate 42, a detachable and replaceable supporting plate 45 is disposed on the inclined surface 43, and a stopper 46 is connected to the horizontal surface 44, so that when the feeding device is used, a workpiece is placed on the inclined surface 43 of the base plate 42, and slides down between the inclined surface 43 and the stopper under the self-weight of the workpiece under the cooperation of the supporting plate 45, and the device 5.

As shown in fig. 5 and 6, in this embodiment, the clamping device 5 includes a transverse guide rail 51 connected to a side surface of the housing 1, a transverse connecting plate 52 with a transverse guide groove is cooperatively arranged on the transverse guide rail 51, a transverse cylinder 53 is connected to one side of the transverse connecting plate 52, a vertical slide rail is arranged at a front end of the transverse connecting plate 52, a vertical connecting plate 54 with a vertical guide groove is cooperatively arranged on the vertical slide rail, a vertical cylinder 55 is connected to a bottom end of the vertical connecting plate 54, a rotating cylinder 56 is connected to a front end of the vertical connecting plate 54, the rotating cylinder 56 is connected to a clamping cylinder 57 through a rotating seat 84, two clamping blocks 58 are arranged at an output end of the clamping cylinder 57, a supporting seat 59 is arranged at an output end of the two clamping blocks 58, a backing plate 510 is arranged at an upper end of the supporting seat 59, a connecting frame 511 is connected to one side, the piston rod of the lower pressing cylinder 512 is connected with a lower pressing block 513 which is matched with the base plate 510 to clamp a workpiece, when the device is used, the transverse connecting plate 52, the vertical cylinder 55, the rotating cylinder 56 and the clamping cylinder 57 are controlled by the transverse cylinder 53 to move to the position above the workpiece, the clamping cylinder 57 is controlled by the rotating cylinder 56 to rotate to a position parallel to the workpiece, then the vertical cylinder 55 drives the rotating cylinder 56 and the clamping cylinder 57 to move downwards to enable the two clamping blocks 58 to be positioned at two sides of the front part of the workpiece, the workpiece is clamped by controlling the two clamping blocks 58 by the clamping cylinder 57, then the vertical cylinder 55 drives the rotating cylinder 56, the clamping cylinder 57 and the workpiece to move upwards to avoid the stop block 46, then the rotating cylinder 56 controls the clamping cylinder 57 and the workpiece to rotate 90 degrees, and finally the transverse cylinder 53 controls the transverse connecting plate 52, the vertical cylinder 55, the rotating cylinder 56, the clamping, and the workpiece is placed on the pad 510.

As shown in fig. 7, in this embodiment, the moving device 6 includes a fixed base 61 disposed at the upper end of the working table 3, a traverse guide 62 is disposed at the upper end of the fixed base 61, a traverse base 63 with a traverse chute is disposed on the fixed base 61 in a matching manner, a traverse motor 64 is connected to one end of the fixed base 61, an output shaft of the traverse motor 64 is connected to the traverse base 63, a longitudinal guide rail is disposed on the traverse base 63, a longitudinal moving base 66 with a longitudinal guide slot is disposed on the traverse base 63 in a matching manner, a longitudinal connecting base 67 is connected to the rear end of the longitudinal moving base 66, a longitudinal moving motor 68 disposed in parallel with the longitudinal connecting base 67 is disposed at one side of the longitudinal connecting base 67, an output shaft of the longitudinal moving motor 68 is connected to a longitudinal driving shaft for driving the longitudinal moving base 66 to move through a belt, a vertical support 69 is, the vertical support 69 is connected with a clamping seat 610, the rear end of the clamping seat 610 is connected with a clamping driving motor 611, the front end of the clamping seat 610 is provided with a clamping cylinder 612 connected with an output shaft of the clamping driving motor 611, the output end of the clamping cylinder 612 is provided with two clamping blocks 613, when the clamping device is used, the transverse moving seat 63, the longitudinal moving seat 66, the longitudinal connecting seat 67, the longitudinal moving motor 68, the vertical support 69, the clamping seat 610, the clamping driving motor 611, the clamping cylinder 612 and the two clamping blocks 613 are driven by the transverse moving motor 64 to move towards the support seat 59 with a horizontal workpiece, the longitudinal connecting seat 67, the longitudinal moving motor 68, the vertical support 69, the clamping seat 610, the clamping driving motor 611, the clamping cylinder 612 and the two clamping blocks 613 are driven by the longitudinal moving motor 68 to move forwards, and then the clamping seat 610, the clamping cylinder 612 and the two clamping blocks 613 are driven by the clamping driving motor 611, two clamping blocks 613 are moved to two sides of the rear part of the workpiece, then the clamping cylinders 612 drive the two clamping blocks 613 to clamp the rear part of the workpiece, finally the transverse moving motor 64 drives the transverse moving seat 63, the longitudinal moving seat 66, the longitudinal connecting seat 67, the longitudinal moving motor 68, the vertical support 69, the clamping seat 610, the clamping driving motor 611, the clamping cylinders 612, the two clamping blocks 613 and the workpiece to be sequentially moved to the grinding wheel device 7 to polish the upper and lower surfaces of the workpiece, then the workpiece is moved to the abrasive belt 810 grinding device 8 to polish the side surface of the workpiece, or the workpiece is moved to the abrasive belt 810 grinding device 8 to polish the side surface of the workpiece, then the workpiece is moved to the grinding wheel device 7 to polish the upper and lower surfaces of the workpiece, and after the polishing is finished, the workpiece is moved to the blanking groove to.

As shown in fig. 8, in this embodiment, the grinding wheel device 7 includes a grinding carriage 71 disposed at the upper end of the table 3, two sets of grinding wheels 72 disposed oppositely are connected to the grinding carriage 71, grinding wheel driving motors 73 for driving the two sets of grinding wheels 72 to move up and down are respectively disposed at two ends of the grinding carriage 71, the grinding wheels 72 include a grinding wheel base 74 on the grinding carriage 71, a grinding wheel motor 75 on the grinding wheel base 74, a first grinding wheel 76 is connected to an output shaft of the grinding wheel motor 75, when the clamping cylinder 612 and the two clamping blocks 613 clamp the workpiece, the workpiece is sent between the two sets of grinding wheels 72 through the longitudinal movement motor 68, the distance between the two sets of grinding wheels 72 is controlled through the grinding wheel driving motor 73, and the two first grinding wheels 76 are driven by the grinding wheel motor 75 to rotate simultaneously to polish the upper and lower.

As shown in fig. 9 and 10, in this embodiment, the belt 810 grinding device 8 includes a chassis 81, two belt devices are oppositely disposed on the chassis 81, belt grinding motors 82 for respectively controlling the two belt devices are disposed at two ends of the chassis 81, the belt device includes a belt grinding seat 83 disposed on the chassis 81, a rotation seat 84 is disposed on the belt grinding seat 83, a rotation motor 85 for driving the rotation seat 84 to rotate is disposed at one side of the belt grinding seat 83, a belt frame 86 is disposed at an upper end of the rotation seat 84, a first driving wheel 87, a first driven wheel 88 and a tension wheel 89 are disposed at a front end of the belt frame 86, a belt driving motor 819 coupled to the first driving wheel 87 is disposed at a rear end of the belt frame 86, the first driving wheel 87, the first driven wheel 88 and the tension wheel 89 are connected through a belt 810, a top belt device for facilitating force-driven polishing of a workpiece and the belt 810 is disposed at one side of a middle portion of the belt frame 86, wherein, an arc-shaped grinding wheel 816 component is arranged at one side of the middle part of a belt frame 86 of one group of belt devices opposite to the top belt device, a belt driving motor 819 and a first driving wheel 87 of one group of belt devices are arranged at the upper part of the belt frame 86, a belt driving motor 819 and a first driving wheel 87 of the other group of belt devices are arranged at the lower part of the belt frame 86, the top belt device comprises a top belt seat 811, a top belt block 812 is connected on the top belt seat 811 through a screw rod, a spring penetrating out of the screw rod is arranged between the top belt block 812 and the top belt seat 811, a top belt cylinder 813 capable of driving the top belt seat 811 to move is connected at the back of the belt frame 86, the arc-shaped grinding wheel 816 component comprises a second driving wheel 814 coaxially connected with the first driving wheel 87, a second driven wheel 815 coaxially connected with the first driven wheel 88, and an arc-shaped grinding wheel 816 arranged at the middle part of the belt frame 86, when the clamping cylinder 612 and the two clamping blocks 613 clamp a workpiece and then send the workpiece to a position between two groups of belt ejecting devices through the longitudinal moving motor 68, the two groups of belt ejecting devices simultaneously eject the abrasive belt 810, the abrasive belt driving motors 819 of the two groups of arc-shaped abrasive wheel 816 respectively drive the first driving wheel 87 to rotate, the first driving wheel 87 drives the first driven wheel 88 and the tension wheel 89 to rotate, so that the front and side chamfer positions of the front part of the workpiece are polished, the second driving wheel 814 rotates along with the first driving wheel 87 while the abrasive belt driving motors 819 respectively drive the first driving wheel 87 to rotate, and the second driving wheel 814 drives the second driven wheel 815, the arc-shaped abrasive wheel 816 is connected with the abrasive wheel carrier 71 through belts, the arc-shaped abrasive wheel 816 is connected with the abrasive wheel carrier 71 through the arc-shaped abrasive wheel carrier 817, and when the workpiece is clamped by the clamping cylinder 612 and the two clamping blocks 613 and then sent to the two, The arc-shaped grinding wheel 816 rotates to polish the front end face of the workpiece and the arc of the handle.

As shown in fig. 11, in this embodiment, the material clamping block 58 includes a first connecting block 581 connected to the material clamping cylinder 57, one end of the first connecting block 581 is provided with a material clamping body 582, an arc-shaped clamping groove 583 convenient for placing a protruding position of a head of a workpiece is formed in the middle of the material clamping body 582, and a clamping tooth 584 used for clamping the front end of the head of the workpiece is provided at the front end of the material clamping body 582, so that in use, the front of the workpiece is clamped through the cooperation of the arc-shaped clamping groove 583 and the clamping tooth 584.

As shown in fig. 12, in this embodiment, the clamping block 613 includes a second connecting block 6131 connected to the clamping cylinder 612, a clamping body 6132 is disposed at one end of the second connecting block 6131, an installation groove is disposed on an inner wall of the clamping body 6132, an arc-shaped clamping block 6133 convenient for clamping a handle portion of a workpiece is detachably connected in the installation groove, when the clamping device is used, the rear portion of the workpiece is clamped through cooperation between the arc-shaped clamping block 6133 and the installation groove, and in addition, the corresponding arc-shaped clamping block 6133 can be replaced according to rear structures of different workpieces.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. A polishing machine is characterized in that: the abrasive belt grinding device comprises a shell, a rack is arranged at the lower part in the shell, a workbench is arranged at the upper end of the rack, a feeding device and a clamping device which are connected with the shell are arranged on one side of the front part of the workbench, a moving device is arranged at the rear part of the workbench, a grinding wheel device and an abrasive belt grinding device are arranged on the front part of the workbench corresponding to the moving device, a control device connected with the clamping device, the moving device, the grinding wheel device and the abrasive belt grinding device is connected onto the rack, a scrap discharging port is formed in the workbench between the abrasive belt grinding device and the moving device, and a discharge chute is formed below the shell corresponding to the clamping device.

2. A polishing machine according to claim 1, wherein: the feeding device comprises a sliding feeding frame, one end of the sliding feeding frame is connected to the shell, the sliding feeding frame comprises a connecting seat connected with the shell, a base plate is arranged on the connecting seat, an inclined plane and a horizontal plane are arranged at the upper end of the base plate, a supporting plate capable of being disassembled and replaced is arranged on the inclined plane, and a stop block is connected to the horizontal plane.

3. A polishing machine according to claim 1, wherein: the material clamping device comprises a transverse guide rail connected with the side surface of the shell, a transverse connecting plate with a transverse guide groove is arranged on the transverse guide rail in a matching way, one side of the transverse connecting plate is connected with a transverse cylinder, the front end of the transverse connecting plate is provided with a vertical slide rail, the vertical slide rail is provided with a vertical connecting plate with a vertical guide groove in a matching way, the bottom end of the vertical connecting plate is connected with a vertical cylinder, the front end of the vertical connecting plate is connected with a rotating cylinder, the rotating cylinder is connected with a material clamping cylinder through a rotating seat, the output end of the material clamping cylinder is provided with two material clamping blocks, the output ends of the two material clamping blocks are provided with supporting seats, a backing plate is arranged at the upper end of the supporting seat, a connecting frame is connected with one side of the supporting seat, a pressing cylinder is connected with the top end of the connecting frame, and a piston rod of the pressing cylinder is connected with a pressing block which is matched with the backing plate to clamp a workpiece.

4. A polishing machine according to claim 1, wherein: the moving device comprises a fixed seat arranged at the upper end of the workbench, a transverse moving guide rail is arranged at the upper end of the fixed seat, a transverse moving seat with a moving chute is arranged on the fixed seat in a matching way, one end of the fixed seat is connected with a transverse moving motor, an output shaft of the transverse moving motor is connected with the transverse moving seat, a longitudinal moving guide rail is arranged on the transverse moving seat, a longitudinal moving seat with a longitudinal moving guide groove is arranged on the transverse moving seat in a matching way, the rear end of the longitudinal moving seat is connected with a longitudinal connecting seat, one side of the longitudinal connecting seat is provided with a longitudinal moving motor arranged in parallel with the longitudinal connecting seat, an output shaft of the longitudinal moving motor is connected with a longitudinal moving driving shaft for driving the longitudinal moving seat to move through a belt, the upper end of the longitudinal moving seat is connected with a vertical support, the front end of the clamping seat is provided with a clamping cylinder connected with an output shaft of the clamping driving motor, and the output end of the clamping cylinder is provided with two clamping blocks.

5. A polishing machine according to claim 1, wherein: the grinding wheel device comprises a grinding wheel frame arranged at the upper end of a workbench, two groups of grinding machines which are arranged oppositely are connected onto the grinding wheel frame, grinding wheel driving motors for driving the two groups of grinding machines to move up and down are arranged at two ends of the grinding wheel frame respectively, the grinding machines comprise grinding wheel seats on the grinding wheel frame, grinding wheel motors on the grinding wheel seats, and output shafts of the grinding wheel motors are connected with first grinding wheels.

6. A polishing machine according to claim 1, wherein: the abrasive belt polishing device comprises an underframe, two groups of abrasive belt devices are oppositely arranged on the underframe, abrasive belt polishing motors for respectively controlling the two groups of abrasive belt devices are respectively arranged at two ends of the underframe, each abrasive belt device comprises an abrasive belt polishing seat arranged on the underframe, a rotating seat is arranged on the abrasive belt polishing seat, a rotating motor for driving the rotating seat to rotate is arranged at one side of the abrasive belt polishing seat, an abrasive belt frame is arranged at the upper end of the rotating seat, a first driving wheel, a first driven wheel and a tensioning wheel are arranged at the front end of the abrasive belt frame, an abrasive belt driving motor in shaft connection with the first driving wheel is arranged at the rear end of the abrasive belt frame, the first driving wheel, the first driven wheel and the tensioning wheel are connected through an abrasive belt, a top belt device convenient for force polishing of a workpiece and an abrasive belt is arranged at one side of the middle part of the abrasive belt frame, and an arc-shaped abrasive wheel, the abrasive belt driving motor and the first driving wheel of one group of abrasive belt devices are arranged at the upper part of the abrasive belt frame, and the abrasive belt driving motor and the first driving wheel of the other group of abrasive belt devices are arranged at the lower part of the abrasive belt frame.

7. A polishing machine according to claim 6, characterised in that: the top belt device comprises a top belt seat, a top belt block is connected to the top belt seat through a screw rod, a spring penetrating through the screw rod is arranged between the top belt block and the top belt seat, and a top belt cylinder capable of driving the top belt seat to move is connected to the back of the sand belt frame.

8. A polishing machine according to claim 6, characterised in that: the arc-shaped grinding wheel assembly comprises a second driving wheel, a second driven wheel and an arc-shaped grinding wheel, wherein the second driving wheel is coaxially connected with the first driving wheel, the second driven wheel is coaxially connected with the first driven wheel, the arc-shaped grinding wheel is arranged in the middle of the abrasive belt frame, the second driving wheel, the second driven wheel and the arc-shaped grinding wheel are connected through a belt, the arc-shaped grinding wheel is connected with the abrasive belt frame through an arc-shaped grinding wheel seat, and the back of the abrasive belt frame is connected with an arc-shaped grinding wheel cylinder capable.

9. A polishing machine according to claim 3, characterised in that: the clamping block comprises a first connecting block connected with the clamping cylinder, a clamping main body is arranged at one end of the first connecting block, an arc-shaped clamping groove convenient for placing the head of the workpiece at the protruding position is formed in the middle of the clamping main body, and clamping teeth used for matching with the front end of the head of the workpiece are arranged at the front end of the clamping main body.

10. A polishing machine according to claim 4, characterized in that: the clamping block comprises a second connecting block connected with the clamping cylinder, a clamping main body is arranged at one end of the second connecting block, a device groove is formed in the inner wall of the clamping main body, and an arc-shaped clamping block convenient for clamping a handle part of a workpiece is detachably connected in the device groove.