CN107865484B

CN107865484B - Automatic grinding machine

Info

Publication number: CN107865484B
Application number: CN201711241190.6A
Authority: CN
Inventors: 胡勇杰; 高军
Original assignee: Dongguan Hengyu Instrument Co ltd
Current assignee: Dongguan Hengyu Instrument Co ltd
Priority date: 2017-11-30
Filing date: 2017-11-30
Publication date: 2024-01-05
Anticipated expiration: 2037-11-30
Also published as: CN107865484A

Abstract

The invention relates to the technical field of shoemaking equipment, in particular to an automatic leveling machine which comprises a fixing mechanism for fixing external materials, a movable driving mechanism for driving the fixing mechanism to move, a lifting driving mechanism for driving the fixing mechanism to lift and a leveling mechanism for leveling the fixed external materials. The automatic sole polishing machine is simple and compact in structure and reasonable in design, realizes automatic sole polishing, improves sole polishing efficiency, ensures sole polishing quality, improves the qualification rate of sole processing, and reduces the sole production cost.

Description

Automatic grinding machine

Technical Field

The invention relates to the technical field of shoemaking equipment, in particular to an automatic leveling machine.

Background

Shoes are one of the necessities of daily life of people, and the shoe making industry is an important manufacturing and export industry in China and plays an important role in the economic production of the national people in China. In a general shoemaking workshop, a polishing work of a sole mainly comprises the steps of manually holding an upper by a worker to move the sole back and forth and make knife sharpening contact with a polisher, polishing the sole smoothly along a grinding wheel rotating at a high speed according to the shape of the sole, but the polishing mode is low in efficiency, high in defective rate and low in efficiency, and polishing quality mainly depends on the skill of a polishing technology worker, so that the polishing quality of the sole is difficult to ensure.

Disclosure of Invention

The invention aims to solve the technical problem of providing an automatic polishing machine applicable to sole polishing, which has a simple and compact structure and reasonable design, realizes automatic sole polishing, improves the sole polishing efficiency, ensures the sole polishing quality, improves the sole processing yield and reduces the sole production cost.

In order to solve the technical problems, the invention adopts the following technical scheme:

an automatic leveling machine comprises a fixing mechanism for fixing an external material, a movable driving mechanism for driving the fixing mechanism to move, a lifting driving mechanism for driving the fixing mechanism to lift and a leveling mechanism for leveling the fixed external material.

Further, the grinding mechanism comprises a machine table, a rotating shaft arranged on the machine table in a rotating mode, a grinding wheel arranged on the rotating shaft and a grinding driving assembly used for driving the rotating shaft to rotate, wherein the grinding driving assembly is arranged on the machine table, and the grinding wheel is located above the fixing mechanism.

Further, the fixed establishment is including being used for placing the blowing board of external material, rotate the mounting that sets up in the blowing board and be used for driving the mounting and be fixed in the fixed drive assembly of blowing board with external material, lift actuating mechanism and removal actuating mechanism all are connected with the blowing board.

Further, fixed drive assembly includes fixing base, cam, connecting rod, fixed cylinder and is used for driving the setting piece that resets, the fixing base is provided with brace table and supporting seat, the middle part of setting piece articulates in the brace table, the cam rotates and connects in the supporting seat, the cam is connected to the one end of connecting rod, and the other end of connecting rod articulates in fixed cylinder's output, fixed cylinder installs in the fixing base, the one end of setting piece is contradicted the cam, and the other end of setting piece is used for contradicting external material so that the material is fixed in the flitch, the fixing base is connected with the flitch.

Further, the reset piece is arranged at one end of the fixing piece far away from the cam, the reset piece comprises a guide rod arranged on the fixing seat and a reset spring sleeved on the guide rod, one end of the reset spring abuts against the fixing seat, the other end of the reset spring abuts against the fixing piece, and the fixing piece is in sliding connection with the guide rod.

Further, the lifting driving mechanism comprises a lifting guide rod connected to the machine table in a sliding manner, a first lifting plate connected to one end of the lifting guide rod, a second lifting plate connected to the other end of the lifting guide rod, a lifting nut arranged on the second lifting plate, a screw rod connected to the lifting nut in a threaded manner and a lifting motor used for driving the screw rod to rotate, wherein the screw rod is rotatably arranged in the machine table, and the first lifting plate is in sliding connection with the discharging plate.

Further, the movable driving mechanism comprises a rack arranged on the discharging plate, a gear meshed with the rack, a rotating shaft connected with the gear and a movable motor used for driving the rotating shaft to rotate, the rotating shaft is rotatably arranged on the first lifting plate or/and the second lifting plate, and the movable motor is arranged on the second lifting plate.

Further, the automatic grinding machine further comprises a positioning mechanism for positioning the external materials, the positioning mechanism comprises a positioning seat arranged on the machine table, a rotating piece arranged on the positioning seat in a rotating mode, a positioning piece connected to one end of the rotating piece, an elastic piece for driving the positioning piece to reset, a positioning cylinder for driving the rotating piece to rotate and a lifting cylinder for driving the positioning seat to lift, and the output end of the positioning cylinder is used for driving the other end of the rotating piece.

Further, the locating piece includes sliding connection in the sliding part of locating seat and connects in the locating part of sliding part, the sliding part is provided with the conflict shoulder that is used for conflicting the lateral wall of locating seat, the locating seat is provided with and is used for supplying the locating part to stretch out the dodging groove outside the locating seat.

Further, the grinding mechanism further comprises a quick-release assembly for locking the grinding wheel on the rotating shaft, the quick-release assembly comprises a buckle body, a buckle handle, a screw rod, a safety buckle, a rotating rod and a safety pin, the buckle body is provided with an opening, the buckle body is provided with a nut, one end of the screw rod penetrates through the opening and is in threaded connection with the nut, the other end of the screw rod is rotationally connected with the buckle handle, one opening end of the buckle body is rotationally connected with the safety buckle through the rotating rod, and the other opening end of the buckle body is buckled with the safety buckle through the safety pin.

The invention has the beneficial effects that: the sole is fixed by the fixing mechanism, the lifting driving mechanism drives the fixing mechanism to be close to the polishing mechanism, so that the sole is in contact with the polishing mechanism, the polishing mechanism polishes the sole, and in the polishing process, the moving driving mechanism drives the fixing mechanism to move back and forth, so that the sole is polished; the automatic polishing machine has the advantages of simple and compact structure and reasonable design, realizes automatic polishing of soles, improves the polishing efficiency of the soles, ensures the polishing quality of the soles, improves the qualification rate of sole processing, and reduces the production cost of the soles.

Drawings

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

Fig. 2 is a schematic perspective view of the hidden protective cover of the present invention.

FIG. 3 is a cross-sectional view of the present invention after concealing the protective covering, securing member and securing the drive assembly.

Fig. 4 is a schematic perspective view of the fixing member and the fixing driving assembly of the present invention.

Fig. 5 is a schematic perspective view of a positioning mechanism according to the present invention.

Fig. 6 is a schematic perspective view of a quick release assembly according to the present invention.

Reference numerals illustrate:

1. a fixing mechanism; 11. a discharging plate; 12. a fixing member; 121. a bar-shaped hole; 13. a fixed drive assembly;

131. a fixing seat; 1311. a support table; 1312. a support base; 132. a cam; 133. a connecting rod; 134. a fixed cylinder;

135. a reset member; 1351. a guide rod; 1352. a return spring; 2. a movement driving mechanism; 21. a rack; 22. a gear;

23. a rotating shaft; 24. a moving motor; 3. a lifting driving mechanism; 31. lifting guide rods; 32. a first lifting plate;

33. a second lifting plate; 34. lifting the nut; 35. a screw rod; 36. a lifting motor; 4. a grinding mechanism; 41. a machine table;

42. a rotating shaft; 43. grinding wheel; 44. grinding the driving assembly; 441. grinding the motor; 442. a driving wheel;

443. driven wheel; 444. a transmission belt; 5. a positioning mechanism; 51. a positioning seat; 511. an avoidance groove; 52. a rotating member;

53. a positioning piece; 531. a sliding part; 5311. a contact shoulder; 532. a positioning part; 54. an elastic member; 55. positioning a cylinder;

56. a lifting cylinder; 6. a quick release assembly; 61. a buckle body; 611. an opening; 62. a buckling handle; 63. a screw;

64. a safety buckle; 65. a rotating rod; 66. a safety pin; 67. a nut; 7. a protective cover; 8. and a control panel.

Detailed Description

The invention will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the invention.

As shown in fig. 1 to 6, the present invention provides an automatic leveling machine, which includes a fixing mechanism 1 for fixing an external material, a moving driving mechanism 2 for driving the fixing mechanism 1 to move, a lifting driving mechanism 3 for driving the fixing mechanism 1 to lift, and a leveling mechanism 4 for leveling the fixed external material. In this embodiment, the outer material is illustrated as a sole.

When the sole polishing machine works actually, the fixing mechanism 1 is used for fixing the sole, the lifting driving mechanism 3 is used for driving the fixing mechanism 1 to be close to the polishing mechanism 4, so that the sole is in contact with the polishing mechanism 4, the polishing mechanism 4 is used for polishing the sole, and in the polishing process, the movable driving mechanism 2 is used for driving the fixing mechanism 1 to move back and forth, so that the sole is polished; the automatic polishing machine has the advantages of simple and compact structure and reasonable design, realizes automatic polishing of soles, improves the polishing efficiency of the soles, ensures the polishing quality of the soles, improves the qualification rate of sole processing, and reduces the production cost of the soles.

As shown in fig. 1 and 2, in the present embodiment, the grinding mechanism 4 includes a machine 41, a rotating shaft 42 rotatably disposed on the machine 41, a grinding wheel 43 mounted on the rotating shaft 42, and a grinding driving assembly 44 for driving the rotating shaft 42 to rotate, wherein the grinding driving assembly 44 is mounted on the machine 41, and the grinding wheel 43 is located above the fixing mechanism 1; specifically, the grinding driving assembly 44 includes a grinding motor 441 mounted on the machine 41, a driving wheel 442 mounted on an output end of the grinding motor 441, a driven wheel 443 mounted on the rotating shaft 42, and a driving belt 444 wound around the driving wheel 442 and the driven wheel 443.

During actual operation, the grinding motor 441 drives the driving wheel 442 to rotate, the driving wheel 442 drives the driven wheel 443 and the transmission belt 444 to rotate, the driven wheel 443 drives the rotating shaft 42 to rotate, the rotating shaft 42 drives the grinding wheel 43 to rotate, and the rotating grinding wheel 43 polishes soles on the fixing mechanism 1, so that the structure is simple, the grinding wheel 43 rotates stably, and the quality of polishing soles is improved.

As shown in fig. 2 and fig. 4, in this embodiment, the fixing mechanism 1 includes a discharging plate 11 for placing an external material, a fixing member 12 rotatably disposed on the discharging plate 11, and a fixing driving assembly 13 for driving the fixing member 12 to fix the external material on the discharging plate 11, where the lifting driving mechanism 3 and the moving driving mechanism 2 are both in driving connection with the discharging plate 11; specifically, the fixed driving assembly 13 includes a fixing base 131, a cam 132, a connecting rod 133, a fixed cylinder 134, and a reset member 135 for driving the fixed member 12 to reset, where the fixing base 131 is provided with a support table 1311 and a support seat 1312, the middle part of the fixed member 12 is hinged to the support table 1311, the cam 132 is rotatably connected to the support seat 1312, one end of the connecting rod 133 is connected with the cam 132, the other end of the connecting rod 133 is hinged to the output end of the fixed cylinder 134, the fixed cylinder 134 is mounted on the fixing base 131, one end of the fixed member 12 abuts against the cam 132, and the other end of the fixed member 12 is used for abutting against an external material to fix the material on the discharge plate, and the fixing base 131 is connected with the discharge plate 11; the restoring member 135 is disposed at one end of the fixing member 12 away from the cam 132, the restoring member 135 includes a guide rod 1351 disposed on the fixing base 131 and a restoring spring 1352 sleeved on the guide rod 1351, one end of the restoring spring 1352 abuts against the fixing base 131, the other end of the restoring spring 1352 abuts against the fixing member 12, and the fixing member 12 is slidably connected with the guide rod 1351.

When the sole grinding machine works practically, the sole is placed on the discharging plate 11, the sole is positioned between the fixing piece 12 and the discharging plate 11, the fixing piece 12 is driven by the fixing driving component 13 to fix the sole on the discharging plate 11, the stability of the sole is ensured, the sole is convenient to be ground by the grinding mechanism 4, and the sole grinding quality of the grinding mechanism 4 is improved; in specific operation, the output end of the fixed cylinder 134 pushes the connecting rod 133 upwards, the connecting rod 133 drives the cam 132 to rotate clockwise around the rotation connection point, the radius of the side, where the cam 132 contacts with the fixing piece 12, is increased, the cam 132 upwards abuts against one end of the fixing piece 12, so that one end, far away from the discharging plate 11, of the fixing piece 12 swings upwards, the middle part of the fixing piece 12 is hinged to the supporting table 1311, one end, close to the discharging plate 11, of the fixing piece 12 swings downwards, and the return spring 1352 is compressed, so that the fixing piece 12 fixes the sole on the discharging plate 11; the output end of the fixed cylinder 134 pulls the connecting rod 133 downwards, the connecting rod 133 drives the cam 132 to rotate anticlockwise around the rotating connection point, the radius of one side, contacted with the fixed piece 12, of the cam 132 is reduced, so that the fixed piece 12 and the cam 132 have no interaction force, the reset spring 1352 pushes the fixed piece 12 to be close to one end of the discharging plate 11 upwards, the fixed piece 12 swings anticlockwise around the hinging point in the middle, and the fixed piece 12 loosens the sole; the fixing mechanism 1 is reasonable in structural design, the action of fixing the sole is quick, and after the sole is fixed by the fixing piece 12, the cam 132 realizes self-locking, so that the stability of the sole fixed by the fixing piece 12 is ensured.

Specifically, the middle part of mounting 12 is provided with bar hole 121, and bar hole 121 has realized that the position of mounting 12 is adjustable to cooperate cam 132 better, mounting 12 articulates with supporting bench 1311 through bar hole 121, the surface that mounting 12 and cam 132 contradict is equipped with the wearing layer, and the one end that mounting 12 kept away from blowing board 11 contacts and frequently rubs with cam 132, and the wearing layer can prolong the life of mounting 12 and cam 132.

As shown in fig. 2 and 3, in this embodiment, the lifting driving mechanism 3 includes a lifting guide rod 31 slidably connected to the machine 41, a first lifting plate 32 connected to one end of the lifting guide rod 31, a second lifting plate 33 connected to the other end of the lifting guide rod 31, a lifting nut 34 mounted on the second lifting plate 33, a screw rod 35 screwed to the lifting nut 34, and a lifting motor 36 for driving the screw rod 35 to rotate, where the screw rod 35 is rotatably disposed on the machine 41, and the first lifting plate 32 is slidably connected to the discharging plate 11.

In actual operation, the lifting motor 36 drives the screw rod 35 to rotate, the lifting nut 34 moves along the screw rod 35 in a lifting manner, the lifting nut 34 drives the second lifting plate 33 to move in a lifting manner, the second lifting plate 33 drives the lifting guide rod 31 to move in a lifting manner, the lifting guide rod 31 drives the first lifting plate 32 to move in a lifting manner, the first lifting plate 32 drives the discharging plate 11 to move in a lifting manner, the discharging plate 11 drives the sole to move in a lifting manner, the work is stable and reliable, the control precision is high, and the sole polishing mechanism 4 is convenient to polish the sole.

As shown in fig. 2 and 3, in the present embodiment, the moving driving mechanism 2 includes a rack 21 mounted on the discharging plate 11, a gear 22 meshed with the rack 21, a rotation shaft 23 connected to the gear 22, and a moving motor 24 for driving the rotation shaft 23 to rotate, wherein the rotation shaft 23 is rotatably disposed on the first lifting plate 32 or/and the second lifting plate 33, and the moving motor 24 is mounted on the second lifting plate 33.

When the grinding wheel 43 polishes the sole, the movable motor 24 drives the rotating shaft 23 to rotate, the rotating shaft 23 drives the gear 22 to rotate, the gear 22 is meshed with the gear 22, the rack 21 moves back and forth, the discharging plate 11 is driven by the rack 21 to move back and forth, the grinding wheel 43 is convenient to polish the sole, the grinding wheel 43 polishes the sole uniformly, and the quality of polishing the sole by the grinding wheel 43 is improved.

As shown in fig. 2 and 5, in this embodiment, the automatic leveling machine further includes a positioning mechanism 5 for positioning an external material, where the positioning mechanism 5 includes a positioning seat 51 installed on the machine 41, a rotating member 52 rotatably disposed on the positioning seat 51, a positioning member 53 connected to one end of the rotating member 52, an elastic member 54 for driving the positioning member 53 to reset, a positioning cylinder 55 for driving the rotating member 52 to rotate, and a lifting cylinder 56 for driving the positioning seat 51 to lift, the lifting cylinder 56 is installed on the machine 41, the positioning cylinder 55 is installed on the positioning seat 51, and an output end of the positioning cylinder 55 is used for driving the other end of the rotating member 52; specifically, the elastic member 54 is a positioning spring, one end of the positioning spring abuts against the positioning member 53, and the other end of the positioning spring abuts against the positioning seat 51. Preferably, the two ends of the discharging plate 11 are provided with positioning mechanisms 5.

When the sole is placed on the discharging plate 11, the output end of the positioning air cylinder 55 pushes the rotating piece 52 upwards to be far away from one end of the positioning piece 53, the rotating piece 52 rotates anticlockwise around the hinging point, the other end of the rotating piece 52 pushes the positioning piece 53 to move, one end of the positioning piece 53 protrudes out of the positioning seat 51, one side of the positioning piece 53 abuts against the sole and positions the sole, the position precision of the sole on the discharging plate 11 is improved, and the stability of the sole polishing mechanism 4 in polishing is further guaranteed; when the sole is polished by the polishing mechanism 4, the output end of the positioning air cylinder 55 pulls the rotating piece 52 downwards to be far away from one end of the positioning piece 53, the rotating piece 52 rotates clockwise around the hinging point, the other end of the rotating piece 52 pulls the positioning piece 53 to move, and the positioning piece 53 compresses the positioning spring and moves into the positioning seat 51, so that an operator can conveniently take and put the sole; wherein, the positioning spring plays the effect of buffering at the in-process that the setting element 53 removed for the setting element 53 can remove steadily, and lift cylinder 56 can replace setting seat 51 lift removal, is convenient for adjust the position of setting element 53, is fit for fixing a position the sole of different thickness, and the practicality is strong.

As shown in fig. 5, in the present embodiment, the positioning member 53 includes a sliding portion 531 slidably connected to the positioning seat 51 and a positioning portion 532 connected to the sliding portion 531, the sliding portion 531 is provided with a collision shoulder 5311 configured to abut against a sidewall of the positioning seat 51, and the positioning seat 51 is provided with a recess 511 configured to allow the positioning portion 532 to protrude out of the positioning seat 51.

When the locating piece 53 locates the sole, the locating part 532 moves along the avoiding groove 511, the sliding part 531 is in sliding connection with the locating seat 51, one end of the locating part 532 protrudes out of the locating seat 51 and locates the sole, when the locating part 532 moves to a set position, the abutting shoulder 5311 of the sliding part 531 abuts against the inner side wall of the locating seat 51, the abutting shoulder 5311 plays a limiting role on the movement of the sliding part 531 and the locating part 532, the locating piece 53 is ensured to move in a set stroke, the position accuracy of the movement of the locating piece 53 is ensured, and the stability of the movement of the locating piece 53 is improved.

As shown in fig. 2 and 6, in this embodiment, the grinding mechanism 4 further includes a quick-release assembly 6 for locking the grinding wheel 43 to the rotating shaft 42, the quick-release assembly 6 includes a buckle body 61, a buckle handle 62, a screw 63, a safety buckle 64, a rotating rod 65, and a safety pin 66, the buckle body 61 is provided with an opening 611, the buckle body 61 is provided with a nut 67, one end of the screw 63 penetrates through the opening 611 and is in threaded connection with the nut 67, the other end of the screw 63 is rotationally connected to the buckle handle 62, one opening 611 end of the buckle body 61 is rotationally connected with the safety buckle 64 through the rotating rod 65, and the other opening 611 end of the buckle body 61 is buckled with the safety buckle 64 through the safety pin 66; in a normal state, the buckling handle 62 is buckled on the buckling body 61, so that the buckling body 61 locks the grinding wheel 43 on the rotating shaft 42; when the position of the grinding wheel 43 needs to be disassembled or adjusted, the buckling handle 62 is broken off, the buckling handle 62 is opened relative to the buckling body 61, then the buckling handle 62 is rotated, the buckling handle 62 drives the screw 63 to be in threaded connection with the nut 67, the screw 63 moves along the nut 67, the opening 611 of the buckling body 61 is enlarged, the buckling body 61 is enabled to loosen the grinding wheel 43 and the rotating shaft 42, and the grinding wheel 43 is convenient to disassemble or the position of the grinding wheel 43 is convenient to adjust; the quick detach subassembly 6 can firmly lock the emery wheel 43 in pivot 42 in, and this quick detach subassembly 6's simple structure, the dismouting is convenient, is convenient for change emery wheel 43, has improved the assembly efficiency of emery wheel 43 and pivot 42, and through being provided with safety catch 64 and shear pin 66, has improved the security performance of quick detach subassembly 6, reduces the probability of unexpected emergence.

As shown in fig. 1, in this embodiment, the machine 41 is provided with a protection cover 7 and a control panel 8, the protection cover 7 protects the internal structure of the grinding machine, the service life of the grinding machine is prolonged, and the control panel 8 is convenient for adjusting grinding parameters such as the rotation speed of the grinding wheel 43.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present invention, and in addition, the present invention may be implemented in other ways, and any obvious substitution is within the scope of the present invention without departing from the concept of the present invention.

Claims

1. An automatic grinding machine, which is characterized in that: the device comprises a fixing mechanism for fixing external materials, a movable driving mechanism for driving the fixing mechanism to move, a lifting driving mechanism for driving the fixing mechanism to lift and a leveling mechanism for leveling the fixed external materials;

the grinding mechanism comprises a machine table, a rotating shaft, a grinding wheel and a grinding driving assembly, wherein the rotating shaft is rotatably arranged on the machine table, the grinding wheel is arranged on the rotating shaft, the grinding driving assembly is used for driving the rotating shaft to rotate, the grinding driving assembly is arranged on the machine table, and the grinding wheel is positioned above the fixing mechanism;

the fixing mechanism comprises a discharging plate for placing external materials, a fixing piece rotatably arranged on the discharging plate and a fixing driving assembly for driving the fixing piece to fix the external materials on the discharging plate, and the lifting driving mechanism and the moving driving mechanism are connected with the discharging plate;

the fixed driving assembly comprises a fixed seat, a cam, a connecting rod, a fixed cylinder and a reset piece for driving the fixed piece to reset, wherein the fixed seat is provided with a supporting table and a supporting seat, the middle part of the fixed piece is hinged to the supporting table, the cam is rotationally connected to the supporting seat, one end of the connecting rod is connected with the cam, the other end of the connecting rod is hinged to the output end of the fixed cylinder, the fixed cylinder is arranged on the fixed seat, one end of the fixed piece is abutted against the cam, and the other end of the fixed piece is used for abutting against an external material to enable the material to be fixed on a discharging plate, and the fixed seat is connected with the discharging plate;

the lifting driving mechanism comprises a lifting guide rod, a first lifting plate, a second lifting plate, a lifting nut, a screw rod and a lifting motor, wherein the lifting guide rod is connected to the machine in a sliding mode, the first lifting plate is connected to one end of the lifting guide rod, the second lifting plate is connected to the other end of the lifting guide rod, the lifting nut is arranged on the second lifting plate, the screw rod is connected to the lifting nut in a threaded mode, the lifting motor is used for driving the screw rod to rotate, the screw rod is rotatably arranged on the machine, and the first lifting plate is in sliding connection with the discharging plate;

the automatic leveling machine further comprises a positioning mechanism for positioning external materials, the positioning mechanism comprises a positioning seat arranged on the machine table, a rotating piece arranged on the positioning seat in a rotating mode, a positioning piece connected to one end of the rotating piece, an elastic piece used for driving the positioning piece to reset, a positioning cylinder used for driving the rotating piece to rotate and a lifting cylinder used for driving the positioning seat to lift, and the output end of the positioning cylinder is used for driving the other end of the rotating piece.

2. An automatic leveling machine in accordance with claim 1 wherein: the reset piece is arranged at one end of the fixing piece far away from the cam, the reset piece comprises a guide rod arranged on the fixing seat and a reset spring sleeved on the guide rod, one end of the reset spring abuts against the fixing seat, the other end of the reset spring abuts against the fixing piece, and the fixing piece is in sliding connection with the guide rod.

3. An automatic leveling machine in accordance with claim 1 wherein: the movable driving mechanism comprises a rack arranged on the discharging plate, a gear meshed with the rack, a rotating shaft connected with the gear and a movable motor used for driving the rotating shaft to rotate, the rotating shaft is rotatably arranged on the first lifting plate or/and the second lifting plate, and the movable motor is arranged on the second lifting plate.

4. An automatic leveling machine in accordance with claim 1 wherein: the locating piece includes sliding connection in the sliding part of locating seat and connects in the locating part of sliding part, the sliding part is provided with the conflict shoulder that is used for the lateral wall of conflict locating seat, the locating seat is provided with and is used for supplying the locating part to stretch to the outside dodging groove of locating seat.

5. An automatic leveling machine in accordance with claim 1 wherein: the grinding mechanism further comprises a quick-release assembly used for locking the grinding wheel on the rotating shaft, the quick-release assembly comprises a buckle body, a buckle handle, a screw rod, a safety buckle, a rotating rod and a safety pin, the buckle body is provided with an opening, the buckle body is provided with a nut, one end of the screw rod penetrates through the opening and is in threaded connection with the nut, the other end of the screw rod is rotationally connected with the buckle handle, one opening end of the buckle body is rotationally connected with the safety buckle through the rotating rod, and the other opening end of the buckle body is buckled with the safety buckle through the safety pin.