CN111013832A

CN111013832A - Automatic deoiling device for bolt deoiling

Info

Publication number: CN111013832A
Application number: CN201911377201.2A
Authority: CN
Inventors: 杨荣德
Original assignee: Zhejiang Cowin Fastech Co ltd
Current assignee: Zhejiang Cowin Fastech Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-04-17

Abstract

The invention discloses an automatic deoiling device for bolt deoiling, which comprises a shell and a workbench, wherein the shell is of a cylindrical structure, a cover plate is movably arranged on the shell through a rotating shaft, four fixing columns are fixedly arranged below the shell, the fixing columns are all fixed on the workbench, a side column is fixedly arranged at one end of the workbench, a first hinged support is fixedly arranged at the upper end of the side column, an electric telescopic rod is hinged in the first hinged support, a second hinged support is fixedly arranged on the cover plate, and one end, far away from the first hinged support, of the electric telescopic rod is hinged with the second hinged support. Has the advantages that: can follow the casing with centrifugal cylinder and take out to can directly pour out the bolt after the deoiling, thereby can make things convenient for the unloading, and can utilize the cooperation of second spring and energy-absorbing material to play absorbing effect, thereby can play shock attenuation protection's effect to the deoiling subassembly, and can reduce the noise that the vibration produced.

Description

Automatic deoiling device for bolt deoiling

Technical Field

The invention relates to the technical field of bolt deoiling, in particular to an automatic deoiling device for bolt deoiling.

Background

The bolt is a mechanical part and is a cylindrical threaded fastener matched with a nut. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. The cold header is the main equipment for mass production of bolts. The cold forging equipment is required to cool the cold forging product in the production and processing process, and the bolt is required to be deoiled based on the repeated utilization of cooling machine oil and the clean requirement of the cold forging product.

The deoiling method in the prior production process is to separately arrange a centrifugal deoiling machine. The centrifugal deoiling machine is generally vertical, an deoiling cylinder is arranged at the upper part of a rack, then a cold forging product with oil is placed into an oil filter screen, a motor is started to enable the oil filter screen to rotate at a high speed for deoiling, the motor is stopped after deoiling is completed, but a bolt after deoiling is difficult to take out, time and labor are wasted, the existing vertical centrifugal deoiling machine is not provided with a damping device, vibration is easy to generate during starting and stopping of the deoiling machine, a deoiling assembly rotates in a vibration state, the service life of the deoiling assembly is shortened, and meanwhile, noise of rotary vibration is brought.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

The invention aims to provide an automatic deoiling device for bolt deoiling, which solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic deoiling device for bolt deoiling comprises a shell and a workbench, wherein the shell is of a cylindrical structure, a cover plate is movably arranged on the shell through a rotating shaft, four fixing columns are fixedly arranged below the shell, the fixing columns are all fixed on the workbench, a side column is fixedly arranged at one end of the workbench, a first hinge seat is fixedly arranged at the upper end of the side column, an electric telescopic rod is hinged in the first hinge seat, a second hinge seat is fixedly arranged on the cover plate, one end, away from the first hinge seat, of the electric telescopic rod is hinged with the second hinge seat, a control device is arranged on the inner wall of the middle part of the side column, a PLC (programmable logic controller) is fixedly arranged on the workbench, first sliding rods are fixedly arranged below four corners of the workbench, sliding cylinders are arranged below the first sliding rods, second sliding rods are arranged below the sliding cylinders, a first sliding sleeve and a second sliding sleeve are fixedly embedded at the upper end and the lower end of each sliding cylinder respectively, the first sliding rod penetrates through the first sliding sleeve and extends into the sliding cylinder, the second sliding rod penetrates through the second sliding sleeve and extends into the sliding cylinder, a second spring is arranged between the first sliding rod and the second sliding rod, the upper end of the second spring is fixedly sleeved on the outer wall of the first sliding rod, the lower end of the second spring is fixedly sleeved on the outer wall of the second sliding rod, energy-absorbing materials are fixedly arranged at the lower end of the first sliding rod and the upper end of the second sliding rod, a pressurizing device is arranged below the cover plate, a first bearing is fixedly arranged in the middle of the inner wall of the bottom end of the shell, a first transmission shaft is fixedly arranged in the first bearing and penetrates through the bottom of the shell and extends out of the shell, a driving device is arranged below the first transmission shaft, and the driving device, the control device and the electric telescopic rod are electrically connected with the PLC controller, the fixed carousel that is equipped with in the first transmission shaft, the equidistant fixed spacing post that is equipped with along the circumferencial direction on the carousel, the centrifuge bowl has been placed on the carousel, a plurality of perforation have been seted up to the centrifuge bowl outer wall, the centrifuge bowl about both ends outer wall all fixed be equipped with quantity be four and with spacing post assorted spacing ring, the fixed metal pole that is equipped with between the centrifuge bowl upper end both sides inner wall, the casing is fixed to be equipped with down and arranges oil pipe and runs through the workstation, arrange oil pipe mid-mounting and have the valve.

Further, the energy-absorbing material is ACF artificial cartilage foam.

Furthermore, the pressurizing device comprises a second bearing, a second transmission shaft is fixedly arranged in the second bearing, a first circular plate is fixedly arranged below the second transmission shaft, the second circular plate is connected with the first circular plate through a plurality of first springs, and a rubber pad is fixedly arranged below the second circular plate.

Further, drive arrangement includes motor, first belt pulley, second belt pulley and V belt, the motor is fixed on the workstation, the fixed cover of pivot outer wall of motor is equipped with first belt pulley, the fixed cover of lower extreme outer wall of first transmission shaft is equipped with the second belt pulley, first belt pulley with through the V belt transmission between the second belt pulley, the motor with PLC controller electric connection.

Further, controlling means includes timing knob, speed governing knob, cover opening button and mounting panel, timing knob the speed governing knob with cover opening button all fixes on the mounting panel, the mounting panel is fixed lateral pole middle part inner wall, timing knob the speed governing knob with cover opening button all with PLC controller electric connection.

Furthermore, the outer wall of the joint of the first transmission shaft and the shell is sleeved with a rotating shaft sealing ring, and the rotating shaft sealing ring is fixedly embedded at the bottom of the shell.

Furthermore, the outer wall of the middle part of the metal rod is fixedly sleeved with an anti-skid rubber sleeve.

Furthermore, the upper end of the limiting column is provided with a conical structure.

Furthermore, a collecting box is placed under the workbench and located under the oil discharge pipe, handles are fixedly arranged on the outer walls of two sides of the collecting box, and a visible window is arranged on the front side of the collecting box.

Further, a bottom plate is fixedly arranged below the second sliding rod, and mounting holes are formed in four corners of the bottom plate.

Compared with the prior art, the invention has the following beneficial effects:

(1) according to the invention, the centrifugal cylinder can be taken out of the shell, so that the deoiled bolt can be directly poured out, the blanking can be facilitated, and the damping effect can be realized by utilizing the matching of the second spring and the energy absorption material, so that the damping protection effect can be realized on the deoiling assembly, and the noise generated by vibration can be reduced.

(2) According to the centrifugal cylinder, the second bearing, the second transmission shaft, the first circular plate, the first spring, the second circular plate and the rubber pad are arranged, so that the centrifugal cylinder can be pressed downwards, and the vertical movement of the centrifugal cylinder in the deoiling process can be limited.

(3) The motor, the first belt pulley, the second belt pulley and the triangular belt are arranged, so that the motor can be used for driving the first transmission shaft to rotate at a high speed, and the rotary table and the centrifugal cylinder are driven to rotate to deoil.

(4) According to the invention, by arranging the timing knob, the speed regulation knob and the cover opening button, the motor can be turned on by using the timing knob and the working time of the motor can be controlled, the rotating speed of the motor can be regulated by using the speed regulation knob, and the opening and closing of the cover plate can be controlled by using the cover opening button.

(5) The rotary shaft sealing ring is arranged, so that the first transmission shaft and the shell can be in rotatable sealing connection.

(6) The centrifugal cylinder is provided with the anti-slip rubber sleeve, so that the anti-slip performance of the middle part of the metal rod can be improved, and the centrifugal cylinder is convenient to lift.

(7) The oil collection device comprises a shell, a collection box, a handle and a visible window, wherein the shell is provided with a liquid level meter, the visible window is arranged on the shell, and the visible window is arranged on the shell and can be used for conveniently observing the liquid level in the collection box.

(8) The second sliding rod can be fixed on the ground by arranging the bottom plate and the mounting hole.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an automatic deoiling device for bolt deoiling according to an embodiment of the present invention;

fig. 2 is an enlarged view of the structure at a in fig. 1:

fig. 3 is a schematic structural view of a housing in an automatic deoiling apparatus for bolt deoiling according to an embodiment of the present invention;

FIG. 4 is a top view of a centrifuge bowl in an automatic deoiling apparatus for bolt deoiling according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a first slide bar and a second slide bar in an automatic deoiling apparatus for bolt deoiling according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a pressurizing device in an automatic deoiling device for bolt deoiling according to an embodiment of the present invention.

Reference numerals:

1. a housing; 2. a work table; 3. a cover plate; 4. fixing a column; 5. a side post; 6. a first hinge base; 7. an electric telescopic rod; 8. a second hinge base; 9. a PLC controller; 10. a first slide bar; 11. a slide cylinder; 12. a second slide bar; 13. a first sliding sleeve; 14. a second sliding sleeve; 15. a second spring; 16. an energy absorbing material; 17. a first bearing; 18. a first drive shaft; 19. a turntable; 20. a limiting column; 21. a centrifugal cylinder; 22. a limiting ring; 23. a metal rod; 24. an oil discharge pipe; 25. a valve; 26. a second bearing; 27. a second drive shaft; 28. a first circular plate; 29. a first spring; 30. a second circular plate; 31. a rubber pad; 32. a motor; 33. a first pulley; 34. a second pulley; 35. a V-belt; 36. a timing knob; 37. a speed regulation knob; 38. a cover opening button; 39. mounting a plate; 40. a rotating shaft seal ring; 41. an anti-slip rubber sleeve; 42. a collection box; 43. a base plate.

Detailed Description

The invention is further described with reference to the following drawings and detailed description:

the first embodiment is as follows:

referring to fig. 1-6, an automatic deoiling device for bolt deoiling according to an embodiment of the present invention includes a housing 1 and a workbench 2, the housing 1 is a cylindrical structure, a cover plate 3 is movably disposed on the housing 1 through a rotating shaft, four fixing columns 4 are fixedly disposed below the housing 1, the fixing columns 4 are all fixed on the workbench 2, a side column 5 is fixedly disposed at one end of the workbench 2, a first hinge base 6 is fixedly disposed at an upper end of the side column 5, an electric telescopic rod 7 is hinged in the first hinge base 6, a second hinge base 8 is fixedly disposed on the cover plate 3, one end of the electric telescopic rod 7 far from the first hinge base 6 is hinged with the second hinge base 8, a control device is disposed on an inner wall of a middle portion of the side column 5, a PLC controller 9 is fixedly disposed on the workbench 2, a first slide bar 10 is fixedly disposed at four corners of the workbench 2, a sliding barrel 11 is arranged below the first sliding rod 10, a second sliding rod 12 is arranged below the sliding barrel 11, a first sliding sleeve 13 and a second sliding sleeve 14 are fixedly embedded at the upper end and the lower end of the sliding barrel 11 respectively, the first sliding rod 10 penetrates through the first sliding sleeve 13 and extends into the sliding barrel 11, the second sliding rod 12 penetrates through the second sliding sleeve 14 and extends into the sliding barrel 11, a second spring 15 is arranged between the first sliding rod 10 and the second sliding rod 12, the upper end of the second spring 15 is fixedly sleeved on the outer wall of the first sliding rod 10, the lower end of the second spring 15 is fixedly sleeved on the outer wall of the second sliding rod 12, the lower end of the first sliding rod 10 and the upper end of the second sliding rod 12 are both fixedly provided with a material 16, a pressurizing device is arranged below the cover plate 3, a first bearing 17 is fixedly arranged in the middle of the inner wall at the bottom end of the shell 1, a first transmission shaft 18 is fixedly arranged in the first bearing 17, and the first transmission shaft 18 penetrates through the bottom of the shell 1, first transmission shaft 18 has drive arrangement, drive arrangement control arrangement with electric telescopic handle 7 all with 9 electric connection of PLC controller, the fixed carousel 19 that is equipped with on the first transmission shaft 18, the equidistant fixed spacing post 20 that is equipped with of circumferencial direction on the carousel 19, centrifuge tube 21 has been placed on the carousel 19, a plurality of perforation have been seted up to centrifuge tube 21 outer wall, centrifuge tube 21 upper and lower both ends outer wall all fixed be equipped with quantity be four and with spacing post 20 assorted spacing ring 22, the fixed metal pole 23 that is equipped with between centrifuge tube 21 upper end both sides inner wall, casing 1 is fixed to be equipped with down and to run through oil drain pipe 24 workstation 2, oil drain pipe 24 mid-mounting has valve 25.

According to the scheme of the invention, the centrifugal cylinder 21 can be taken out of the shell 1, so that the deoiled bolt can be directly poured out, the blanking can be facilitated, the damping effect can be realized by the matching of the second spring 15 and the energy-absorbing material 16, the damping protection effect can be realized on the deoiling assembly, and the noise generated by vibration can be reduced.

Example two:

referring to fig. 1, 5 and 6, for the energy absorbing material 16, the energy absorbing material 16 is an ACF artificial cartilage foam; for the pressurizing device, the pressurizing device comprises a second bearing 26, a second transmission shaft 27 is fixedly arranged in the second bearing 26, a first circular plate 28 is fixedly arranged below the second transmission shaft 27, a second circular plate 30 is connected below the first circular plate 28 through a plurality of first springs 29, and a rubber pad 31 is fixedly arranged below the second circular plate 30; for drive arrangement, drive arrangement includes motor 32, first belt pulley 33, second belt pulley 34 and V belt 35, motor 32 fixes on the workstation 2, the fixed cover of pivot outer wall of motor 32 is equipped with first belt pulley 33, the fixed cover of lower extreme outer wall of first transmission shaft 18 is equipped with second belt pulley 34, first belt pulley 33 with through the transmission of V belt 35 between the second belt pulley 34, motor 32 with PLC controller 9 electric connection.

Through the scheme of the invention, the centrifugal cylinder 21 can be pressed downwards, so that the vertical movement of the centrifugal cylinder 21 in the deoiling process can be limited, the first transmission shaft 18 can be driven by the motor 32 to rotate at a high speed, and the rotary disc 19 and the centrifugal cylinder 21 are driven to rotate for deoiling.

Example three:

referring to fig. 1 and 2, for the control device, the control device includes a timing knob 36, a speed regulation knob 37, a lid opening button 38 and a mounting plate 39, the timing knob 36, the speed regulation knob 37 and the lid opening button 38 are all fixed on the mounting plate 39, the mounting plate 39 is fixed on the inner wall of the middle part of the side pillar 5, and the timing knob 36, the speed regulation knob 37 and the lid opening button 38 are all electrically connected with the PLC controller 9; for the first transmission shaft 18, a rotation shaft sealing ring 40 is sleeved on the outer wall of the joint of the first transmission shaft 18 and the casing 1, and the rotation shaft sealing ring 40 is fixedly embedded at the bottom of the casing 1.

Through the scheme of the invention, the motor 32 can be turned on by using the timing knob 36 and the working time of the motor 32 can be controlled, the rotating speed of the motor 32 can be adjusted by using the speed adjusting knob 37, the opening and closing of the cover plate 3 can be controlled by using the cover opening button 38, and the first transmission shaft 18 can be rotatably and hermetically connected with the shell 1 by using the rotating shaft sealing ring 40.

Example four:

referring to fig. 1 and 4, for the metal rod 23, an anti-slip rubber sleeve 41 is fixedly sleeved on the outer wall of the middle part of the metal rod 23; for the limiting column 20, the upper end of the limiting column 20 is provided with a conical structure; for the workbench 2, a collecting box 42 is arranged below the workbench 2, the collecting box 42 is positioned under the oil discharge pipe 24, handles are fixedly arranged on the outer walls of two sides of the collecting box 42, and a visible window is arranged on the front surface of the collecting box 42; for the second sliding rod 12, a bottom plate 43 is fixedly arranged below the second sliding rod 12, and four corners of the bottom plate 43 are provided with mounting holes.

Through the scheme of the invention, the anti-skid rubber sleeve 41 can increase the anti-skid performance of the middle part of the metal rod 23, the centrifugal cylinder 21 is convenient to lift, the collection box 42 can collect oil in the shell 1, the visible window can facilitate observation of the liquid level in the collection box 42, and the bottom plate 43 and the mounting hole can be used for fixing the second slide bar 12 on the ground.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, firstly, a proper amount of bolts are added into the centrifugal cylinder 21, then the cover opening button 38 is pressed down, after the PLC 9 receives a signal of the cover opening button 38, the PLC 9 controls the electric telescopic rod 7 to contract so as to drive the cover plate 3 to open, then the centrifugal cylinder 21 is placed on the rotary table 19, the limiting rings 22 are respectively sleeved on the outer walls of the corresponding limiting columns 20, then the cover opening button 38 is pressed down again, the PLC 9 controls the electric telescopic rod 7 to extend so as to drive the cover plate 3 to close, then the timing knob 36 is rotated, a proper oil removing time is selected, the motor 32 drives the first transmission shaft 18 and the rotary table 19 to rotate at high speed through the V-belt 35 so as to drive the centrifugal cylinder 21 and the bolts therein to rotate at high speed for oil removal, and the PLC 9 controls the speed of the motor 32 to slowly increase and stop so as to reduce damages to the bolts and the centrifugal cylinder 21 during starting and stopping, after the deoiling is finished, the cover opening button 38 is pressed, the PLC 9 controls the electric telescopic rod 7 to contract to open the cover plate 3, then the centrifugal cylinder 21 is lifted out by holding the anti-skid rubber sleeve 41, so that the bolt in the centrifugal cylinder 21 can be poured out, so that the blanking can be convenient, the energy of vibration can be absorbed and consumed by utilizing the matching of the second spring 15 and the energy absorption material 16, the vibration absorption effect is realized, the vibration absorption and protection effect can be realized on the deoiling component, the noise generated by the vibration can be reduced, the centrifugal cylinder 21 can be pressed downwards by the pressing device, the vertical movement of the centrifugal cylinder 21 in the deoiling process can be limited, the motor 32 can be utilized to drive the first transmission shaft 18 to rotate at a high speed, so that the rotary disc 19 and the centrifugal cylinder 21 are driven to rotate for deoiling, the anti-skid performance of the middle part of the metal rod 23 can be increased by the anti-skid rubber sleeve 41, the collection tank 42 can collect oil within the housing 1 and the viewing window can facilitate viewing of the liquid level within the collection tank 42, the base plate 43 and mounting holes can be used to secure the second slide bar 12 to the ground.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The automatic deoiling device for bolt deoiling is characterized by comprising a shell (1) and a workbench (2), wherein the shell (1) is of a cylindrical structure, a cover plate (3) is movably arranged on the shell (1) through a rotating shaft, four fixing columns (4) are fixedly arranged below the shell (1), the fixing columns (4) are all fixed on the workbench (2), one end of the workbench (2) is fixedly provided with a side column (5), the upper end of the side column (5) is fixedly provided with a first hinged support (6), an electric telescopic rod (7) is hinged in the first hinged support (6), a second hinged support (8) is fixedly arranged on the cover plate (3), one end, far away from the first hinged support (6), of the electric telescopic rod (7) is hinged with the second hinged support (8), and a control device is arranged on the inner wall in the middle of the side column (5), the automatic feeding device is characterized in that a PLC (programmable logic controller) (9) is fixedly arranged on the workbench (2), first sliding rods (10) are fixedly arranged at four corners of the workbench (2), sliding cylinders (11) are arranged under the first sliding rods (10), second sliding rods (12) are arranged under the sliding cylinders (11), first sliding sleeves (13) and second sliding sleeves (14) are fixedly embedded at the upper ends and the lower ends of the sliding cylinders (11) respectively, the first sliding rods (10) penetrate through the first sliding sleeves (13) and stretch into the sliding cylinders (11), the second sliding rods (12) penetrate through the second sliding sleeves (14) and stretch into the sliding cylinders (11), second springs (15) are arranged between the first sliding rods (10) and the second sliding rods (12), the upper ends of the second springs (15) are fixedly arranged on the outer walls of the first sliding rods (10), and the lower ends of the second springs (15) are fixedly arranged on the outer walls of the second sliding rods (12), the energy-absorbing material (16) is fixedly arranged at the lower end of the first sliding rod (10) and the upper end of the second sliding rod (12), a pressurizing device is arranged under the cover plate (3), a first bearing (17) is fixedly arranged in the middle of the inner wall of the bottom end of the shell (1), a first transmission shaft (18) is fixedly arranged in the first bearing (17), the first transmission shaft (18) penetrates through the bottom of the shell (1) to extend out of the shell (1), a driving device is arranged under the first transmission shaft (18), the driving device, the control device and the electric telescopic rod (7) are electrically connected with the PLC (9), a rotary table (19) is fixedly arranged on the first transmission shaft (18), limiting columns (20) are fixedly arranged on the rotary table (19) at equal intervals along the circumferential direction, a centrifugal cylinder (21) is placed on the rotary table (19), and a plurality of through holes are formed in the outer wall of the centrifugal cylinder (21), the utility model discloses a centrifugal pump, including centrifugal cylinder (21), fixed be equipped with about both ends outer wall all be four and with spacing post (20) assorted spacing ring (22), fixed be equipped with between centrifugal cylinder (21) upper end both sides inner wall metal pole (23), casing (1) is fixed down to be equipped with oil extraction pipe (24) and runs through workstation (2), oil extraction pipe (24) mid-mounting has valve (25).

2. The automatic deoiling device for bolt deoiling according to claim 1, characterized in that said energy absorbing material (16) is ACF artificial cartilage foam.

3. The automatic deoiling device for bolt deoiling according to claim 1, characterized in that said pressurizing device comprises a second bearing (26), a second transmission shaft (27) is fixedly arranged in said second bearing (26), a first circular plate (28) is fixedly arranged under said second transmission shaft (27), a second circular plate (30) is connected under said first circular plate (28) through a plurality of first springs (29), and a rubber pad (31) is fixedly arranged under said second circular plate (30).

4. The automatic deoiling device for bolt deoiling of claim 1, wherein said driving device comprises a motor (32), a first belt pulley (33), a second belt pulley (34) and a triangular belt (35), said motor (32) is fixed on said working table (2), said rotating shaft outer wall of said motor (32) is fixedly sleeved with said first belt pulley (33), said lower end outer wall of said first transmission shaft (18) is fixedly sleeved with said second belt pulley (34), said first belt pulley (33) and said second belt pulley (34) are transmitted by said triangular belt (35), said motor (32) is electrically connected with said PLC (9).

5. The automatic deoiling device for bolt deoiling of claim 1, characterized in that said control device comprises a timing knob (36), a speed regulating knob (37), a cover opening button (38) and a mounting plate (39), said timing knob (36), said speed regulating knob (37) and said cover opening button (38) are all fixed on said mounting plate (39), said mounting plate (39) is fixed on the inner wall of the middle part of said side pillar (5), said timing knob (36), said speed regulating knob (37) and said cover opening button (38) are all electrically connected with said PLC controller (9).

6. The automatic deoiling device for bolt deoiling of claim 1, characterized in that a rotating shaft sealing ring (40) is sleeved on the outer wall of the joint of the first transmission shaft (18) and the shell (1), and the rotating shaft sealing ring (40) is fixedly embedded at the bottom of the shell (1).

7. The automatic deoiling device for bolt deoiling of claim 1, wherein the outer wall of the middle part of the metal rod (23) is fixedly sleeved with an anti-slip rubber sleeve (41).

8. The automatic deoiling device for bolt deoiling of claim 1, wherein the upper end of said limit column (20) is provided with a conical structure.

9. The automatic deoiling device for bolt deoiling of claim 1, characterized in that a collecting box (42) is placed under said working table (2) and said collecting box (42) is positioned under said oil drain pipe (24), handles are fixedly arranged on the outer walls of both sides of said collecting box (42), and a visible window is arranged on the front surface of said collecting box (42).

10. The automatic deoiling device for bolt deoiling of claim 1, characterized in that a bottom plate (43) is fixedly arranged under said second sliding rod (12), and four corners of said bottom plate (43) are provided with mounting holes.