CN108381147B

CN108381147B - Automatic pressing machine for framework oil seal

Info

Publication number: CN108381147B
Application number: CN201810198667.5A
Authority: CN
Inventors: 闵凡阁; 张连敬; 郭恒博; 刘成江
Original assignee: Shandong Lingong Construction Machinery Co Ltd
Current assignee: Shandong Lingong Construction Machinery Co Ltd
Priority date: 2018-03-12
Filing date: 2018-03-12
Publication date: 2020-03-24
Anticipated expiration: 2038-03-12
Also published as: CN108381147A

Abstract

The invention discloses an automatic pressing machine for a framework oil seal, and belongs to the technical field of framework oil seal pressing. The problem of prior art work efficiency low, pressure equipment quality uniformity is poor is solved, it includes the frame, be equipped with pressure equipment station quick change device, actuating mechanism, direction closing device and the axial positioning device of mutually supporting in the frame, pressure equipment station quick change device passes through linear guide II to be fixed in the frame, and pressure equipment station quick change device includes horizontal fixed cylinder I and horizontal activity cylinder II, and I piston rod of horizontal fixed cylinder passes through first connecting plate and is connected with the fixed plate, and horizontal activity cylinder II is fixed on the fixed plate, and horizontal activity cylinder piston rod II is connected with the second connecting plate, and linear guide II slides can be followed to the fixed plate. The invention is mainly used for the press fitting operation of the framework oil seal and the sealing cover.

Description

Automatic pressing machine for framework oil seal

Technical Field

The invention relates to an automatic pressing machine for a framework oil seal, and belongs to the technical field of framework oil seal pressing.

Background

The loader drive axle main drive seal lid needs to be partly adorned in advance before assembling with two skeleton oil seals, then wholly assembles to the main drive assembly, plays sealed effect. At present, the framework oil seal and the sealing cover are assembled by knocking a pressure plate and a copper bar, so that the labor intensity of an operator is high, the assembly efficiency is low, the knocking noise on site is high, and the hearing of the operator is damaged to a certain extent; the installation of the skeleton oil blanket of two oil blanket structures in sealed lid is in the suspension state, and it is inhomogeneous because of the pressure disk atress during manual strike assembly, is difficult to guarantee the perpendicular of oil blanket and impresses, and has impact many times and strong vibrations in the assembling process, and the oil blanket that has assembled also can produce the dislocation because of shaking, causes the oil blanket to assemble the back slope, and then causes the oil blanket oil leak that became invalid. In recent years, some framework oil seal press-fitting devices are also available in the industry, for example, chinese patent 201420845677.0 discloses a framework oil seal pneumatic press-fitting machine, most of the press-fitting devices adopt an air cylinder or an air-supported oil cylinder for press-fitting, the press-fitting pressure fluctuation is large, the press-fitting quality fluctuation is caused, most of the press-fitting devices can only press-fit oil seals of a single variety, the assembly positions of various oil seals cannot be ensured, the press-fitting discs need to be replaced when the varieties are switched, and the work efficiency is not obviously improved.

Disclosure of Invention

The invention aims to overcome the defects and provide the automatic pressing machine for the framework oil seal, which has high automation degree and high oil seal assembly efficiency.

The automatic pressure equipment machine of skeleton oil blanket, which comprises a frame, be equipped with pressure equipment station quick change device, actuating mechanism, direction closing device and the axial positioner who mutually supports in the frame, pressure equipment station quick change device passes through linear guide II to be fixed in the frame, pressure equipment station quick change device includes horizontal fixed cylinder I and horizontal activity cylinder II, I piston rod of horizontal fixed cylinder is connected with the fixed plate through first connecting plate, horizontal activity cylinder II is fixed on the fixed plate, horizontal activity cylinder piston rod II is connected with the second connecting plate, the fixed plate can be followed linear guide II and slided.

Furthermore, the actuating mechanism comprises a power press-fitting device, a fixing seat and a limiting block, the power press-fitting device and the limiting block are respectively fixed on the fixing seat, a detachable pressure head is arranged below the power press-fitting device, an inductive switch fixing plate is arranged below the fixing seat, a return inductive switch is arranged on the inductive switch fixing plate, and the fixing seat is fixedly connected with the second connecting plate.

Furthermore, the actuating mechanism further comprises a linear guide rail I, and the fixed seat can slide on the linear guide rail I.

Furthermore, the power press device is a servo electric cylinder, and limit position safety induction switches are respectively arranged on the upper side and the lower side of the servo electric cylinder.

Furthermore, the frame includes fixed connection's upper bracket assembly, base, hoisting screw and the limit stop of both sides.

Further, the direction closing device includes three direction hold-down mechanism, the direction closing mechanism is including compressing tightly cylinder, uide bushing, spring, guiding axle, adjusting device and axial stop device well, adjusts the device well and inlays downthehole on the guiding axle, and the spring assembly is between uide bushing and guiding axle, and axial stop device passes through lock nut to be fixed on the guiding axle, compresses tightly cylinder, uide bushing and upper bracket assembly fixed connection.

Furthermore, a pressing block I, a pressing block II and a pressing block III are respectively connected to the lower portions of piston rods of the pressing cylinders in the three guiding and pressing mechanisms.

Furthermore, a press mounting disc I, a press mounting disc II and a press mounting disc III are respectively arranged below the guide shafts in the three guide pressing mechanisms.

Furthermore, the axial positioning device comprises a positioning disk mounting seat, wherein a positioning disk I, a positioning disk II and a positioning disk III are respectively mounted on the positioning disk mounting seat, and the positioning disk mounting seat is fixedly connected with the base.

Further, the automatic framework oil seal press-fitting machine can be used for press-fitting 30-type sealing covers, 40-type sealing covers, 50-type sealing covers, 916-type sealing covers, 956-type sealing covers, 958-type sealing covers and 968-type sealing covers.

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

the invention relates to a multi-station, multi-variety and universal framework oil seal press-fitting machine which is compact in structure, high in automation degree and high in oil seal assembly efficiency, can realize automatic press-fitting of 12 oil seals of 6 varieties at 3 stations, improves the consistency of oil seal assembly quality, and ensures the product quality. The design of universalization pressure equipment dish and positioning disk can be according to product model automatic switch pressure equipment station when the variety switches, need not the retooling, and the frock retooling time when having practiced thrift the variety and switching, labour saving and time saving.

According to the invention, through the control of the servo electric cylinder, multipoint accurate positioning control is realized, the assembly positions of two oil seals of the same product are accurate and controllable, and the product quality is ensured.

Drawings

FIG. 1 is a schematic structural view of an automatic press-fitting machine for framework oil seals of the present invention;

FIG. 2 is a schematic structural view of the frame;

fig. 3 is a schematic structural view of the press-fitting station quick-change device;

FIG. 4 is a schematic structural diagram of the actuator;

fig. 5 is a schematic structural view of the guiding press-fitting device;

FIG. 6 is a schematic structural view of the axial positioning device;

FIG. 7 is a schematic structural diagram of the gas circuit system of the present invention;

FIG. 8 is a schematic diagram of a control module according to the present invention.

Wherein, 1, a frame; 2. an actuator; 3. a quick-change device for press-mounting stations; 4. a guiding and pressing device; 5. an axial positioning device; 6. transversely fixing the cylinder I; 7. a first connecting plate; 8. a fixing plate; 9. a transverse movable cylinder II; 10. a second connecting plate; 11. a power press-fitting device; 12. a limiting block; 13. a pressure head; 14. a fixed seat; 15. a linear guide rail I; 16. pressing a disc I; 17. locking the nut; 18. a pressing cylinder; 19. a guide sleeve; 20. a spring; 21. a guide shaft; 22. an alignment device; 23. a press-mounting plate II; 24. pressing a disc III; 25. a positioning plate mounting seat; 26. a positioning plate I; 27. a positioning plate II; 28. a positioning plate III; 29. a linear guide rail II; 30. pressing a block I; 31. an axial limiting device; 32. pressing blocks II; 33. pressing a block III; 34. an inductive switch fixing plate; 35. a base; 36. a limit stop block; 37. an upper bracket assembly; 38. hoisting screws; 39. a return stroke inductive switch; 40. a gas source; 41. an air handler; 42. an electromagnetic valve A; 43. a solenoid valve B; 44 solenoid valve C; 45 solenoid valve D; 46. and a solenoid valve E.

Detailed Description

The present invention is further illustrated by the following specific examples.

Example 1

Automatic pressure equipment machine of skeleton oil blanket, including frame 1, be equipped with pressure equipment station quick change device 3, actuating mechanism 2, direction closing device 4 and axial positioner 5 of mutually supporting in the frame 1, pressure equipment station quick change device 3 fixes in the frame through linear guide II 29, pressure equipment station quick change device 3 includes horizontal fixed cylinder I6 and horizontal activity cylinder II 9, and the piston rod of horizontal fixed cylinder I6 is connected with fixed plate 8 through first connecting plate 7, and horizontal activity cylinder II 9 is fixed on fixed plate 8, and horizontal activity cylinder II 9 piston rod is connected with second connecting plate 10, and fixed plate 8 can be followed linear guide II 29 and slided.

Example 2

The actuating mechanism 2 comprises a power press-fitting device 11, a fixed seat 14 and a limiting block 12, the power press-fitting device 11 and the limiting block 12 are respectively fixed on the fixed seat 14, a detachable pressure head 13 is arranged below the power press-fitting device 11, an inductive switch fixing plate 34 is arranged below the fixed seat 14, a return inductive switch 39 is arranged on the inductive switch fixing plate 34, and the fixed seat 14 is fixedly connected with the second connecting plate 10. The actuating mechanism 2 further comprises a linear guide rail I15, and the fixed seat 14 can slide on the linear guide rail I15. The power press-mounting device 11 is a servo electric cylinder, and limit position safety induction switches are respectively arranged on the upper side and the lower side of the servo electric cylinder.

The frame 1 comprises an upper bracket assembly 37, a base 35, a hoisting screw 38 and limit stops 36 at two sides, which are fixedly connected.

The guide pressing device 4 comprises three guide pressing mechanisms, each guide pressing mechanism comprises a pressing air cylinder 18, a guide sleeve 19, a spring 20, a guide shaft 21, a centering device 22 and an axial limiting device 31, the centering device 22 is embedded in an upper side hole of the guide shaft 21, the spring 20 is assembled between the guide sleeve 19 and the guide shaft 21, the axial limiting device 31 is fixed on the guide shaft 21 through a locking nut 17, and the pressing air cylinder 18, the guide sleeve 19 and an upper support assembly 37 are fixedly connected.

Example 3

Furthermore, a pressing block I30, a pressing block II 32 and a pressing block III 33 are respectively connected to the lower portions of piston rods of the pressing cylinders 18 in the three guiding and pressing mechanisms.

Further, a press-mounting disc I16, a press-mounting disc II 23 and a press-mounting disc III 24 are respectively arranged below the guide shaft 21 in the three guide pressing mechanisms.

Further, the axial positioning device 5 comprises a positioning disk mounting seat 25, a positioning disk I26, a positioning disk II 27 and a positioning disk III 28 are respectively mounted on the positioning disk mounting seat 25, and the positioning disk mounting seat 25 is fixedly connected with the base 35.

The following is further described with reference to the accompanying drawings.

As shown in fig. 1, the automatic pressing machine for framework oil seal comprises a frame 1, wherein a pressing station quick-change device 3, an actuating mechanism 2, a guiding and pressing device 4 and an axial positioning device 5 which are matched with each other are arranged on the frame 1.

As shown in fig. 3 and 4, the press-fitting station quick-change device 3 comprises a transverse fixed cylinder I6 and a transverse movable cylinder II 9, a piston rod of the transverse fixed cylinder I6 is connected with a fixing plate 8 through a first connecting plate 7, the transverse movable cylinder II 9 is fixed on the fixing plate 8, and a piston rod of the transverse movable cylinder II 9 is connected with a second connecting plate 10. After the machine is started, the transverse fixed air cylinder I6 and the transverse movable air cylinder II 9 automatically reset, the piston rods are in a retracting state, and the piston rods are positioned at a press-mounting station II at the moment, so that 4 oil seals of two products of a first type and a second type can be pressed; a piston rod of the transverse fixed cylinder I6 extends out to push the fixed plate 8 and the transverse movable cylinder II 9 to move to the left side along the linear guide rail II 29, the piston rod of the transverse movable cylinder II 9 is in a retraction state, a second connecting plate 10 connected with the piston rod of the transverse movable cylinder II 9 drives the fixed seat 14 to move to the left side along the linear guide rail I15, and at the moment, the piston rod is positioned at a first press-mounting station, and 4 oil seals of two products of a second type can be pressed; the piston rod of the transverse fixed cylinder I6 retracts, the fixed plate 8 is pushed, the transverse movable cylinder II 9 moves towards the middle along the linear guide rail II 29, meanwhile, the second connecting plate 10 connected with the piston rod of the transverse movable cylinder II 9 drives the fixing seat 14 to move towards the middle along the linear guide rail II 29, the power press-mounting device 11 on the fixing seat 14 returns to the press-mounting station II, then the piston rod of the transverse fixed cylinder I6 is kept in a retracting state, the piston rod of the transverse movable cylinder II 9 extends out, the second connecting plate 10 connected with the piston rod of the transverse movable cylinder II 9 drives the fixing seat 14 to move towards the right side along the linear guide rail, the power press-mounting device 11 on the fixing seat 14 is located at the press-mounting station III, press-mounting of 4 oil seals of two products of.

As shown in fig. 4 and 5, the press fitting device comprises a power press fitting device 11, a fixed seat 14 and a limiting block 12, wherein the power press fitting device 11 and the limiting block 12 are respectively fixed on the fixed seat 14, a detachable pressure head 13 is arranged below the power press fitting device 11, an inductive switch fixing plate 34 is arranged below the fixed seat 14, a return inductive switch 39 is arranged on the inductive switch fixing plate 34, and the fixed seat 14 is fixedly connected with the second connecting plate 10. When the press fitting device works, the power press fitting device 11 receives press fitting signals to drive the press head 13 to move downwards, the press head 13 presses the alignment device 22 to move downwards, pressing force is uniformly distributed on the guide shaft 21 through the alignment device 22, pressure is maintained for 5s after the framework oil seal is pressed in place, a screw rod of the power press fitting device 11 automatically returns, the press fitting of the first oil seal is completed after the return stroke induction switch 39 senses in place, the start button is pressed again, and the actions are repeated to complete the press fitting of the second oil seal.

As shown in fig. 1 and 5, the guiding and pressing device 4 includes three guiding and pressing mechanisms, the guiding and pressing mechanism includes a pressing cylinder 18, a guiding sleeve 19, a spring 20, a guiding shaft 21, an aligning device 22 and an axial limiting device 31, the aligning device 22 is embedded in an upper side hole of the guiding shaft 21, the spring 20 is assembled between the guiding sleeve 19 and the guiding shaft 21, the axial limiting device 31 is fixed on the guiding shaft 21 through a lock nut 17, and the pressing cylinder 18, the guiding sleeve 19 and an upper bracket assembly 37 are fixedly connected. And a pressing block I30, a pressing block II 32 and a pressing block III 33 are respectively connected below the piston rods of the pressing cylinders 18 in the three guiding and pressing mechanisms. And a press mounting disc I16, a press mounting disc II 23 and a press mounting disc III 24 are respectively arranged below the guide shaft 21 in the three guide pressing mechanisms. The pressing blocks and the pressing disc sequentially correspond in type number, during operation, the framework oil seal is firstly assembled on the corresponding pressing disc, the guide shaft 21 moves downwards along the guide sleeve 19 under the action of the power pressing device 11 to complete pressing of the framework oil seal, and after pressing is completed, the guide shaft 21 moves upwards along the guide sleeve 19 under the action of the spring 20 until the axial limiting device 31 rises to the transverse plate of the upper support assembly 37.

As shown in fig. 6, the axial positioning device 5 includes a positioning plate mounting seat 25, a positioning plate i 26, a positioning plate ii 27, and a positioning plate iii 28 are respectively mounted on the positioning plate mounting seat 25, and the positioning plate mounting seat 25 is fixedly connected to the base 35. During operation, the sealing cover is placed on the positioning plate with the corresponding model.

The working principle of the gas circuit system of the invention is as follows: as shown in fig. 7, the control device controls the mechanical components through the air path system, and includes an air source 40, an air processor 41, a solenoid valve a42, a solenoid valve B43, a solenoid valve C44, a solenoid valve D45, a solenoid valve E46, a transverse fixed cylinder i 6, a transverse movable cylinder ii 9, and a pressing cylinder 18. When the first press-fitting station works, the piston rod of the transverse fixed cylinder I6 is controlled to extend by the electromagnetic valve B43, and the piston rod of the transverse movable cylinder II 9 is controlled to retract by the electromagnetic valve A42; when the press fitting station II works, the piston rod of the transverse fixed cylinder I6 is controlled to retract by the electromagnetic valve B43, and the piston rod of the transverse movable cylinder II 9 is controlled to retract by the electromagnetic valve A42; when the press-fitting station III works, the piston rod of the transverse fixed cylinder I6 is controlled to retract by the electromagnetic valve B43, and the piston rod of the transverse movable cylinder II 9 is controlled to extend by the electromagnetic valve A42. After pressing the starting button, the solenoid valve C44, the solenoid valve D45 and the solenoid valve E46 of the pressing station where the actuating mechanism 2 is located control the piston rods of the two pressing cylinders 18 of the pressing station to extend out, and the solenoid valves of the other two pressing stations do not work; after the framework oil seal is pressed and assembled, piston rods of two pressing cylinders 18 of the pressing station are controlled to retract by an electromagnetic valve C44, an electromagnetic valve D45 and an electromagnetic valve E46.

The working principle of the circuit system of the invention is as follows: the control system is divided into an automatic control system and a manual control system, the PLC mainly controls the action, controls the switching of the press mounting stations and the pressing action of the sealing covers, and the servo control system mainly controls the movement speed and the positioning points of the power press mounting device 11 accurately.

Claims

1. The utility model provides an automatic pressure equipment machine of skeleton oil blanket, includes frame (1), its characterized in that: the press mounting station quick-change device (3), the actuating mechanism (2), the guide pressing device (4) and the axial positioning device (5) are arranged on the rack (1) and matched with each other, the press mounting station quick-change device (3) is fixed on the rack through a linear guide rail II (29), the press mounting station quick-change device (3) comprises a transverse fixed cylinder I (6) and a transverse movable cylinder II (9), a piston rod of the transverse fixed cylinder I (6) is connected with a fixing plate (8) through a first connecting plate (7), the transverse movable cylinder II (9) is fixed on the fixing plate (8), a piston rod of the transverse movable cylinder II (9) is connected with a second connecting plate (10), and the fixing plate (8) can slide along the linear guide rail II (29); guide compressing device (4) include three direction hold-down mechanism, direction hold-down mechanism is including compressing tightly cylinder (18), uide bushing (19), spring (20), guiding axle (21), adjusting device (22) and axial stop device (31) well, it inlays downthehole at guiding axle (21) side to adjust device (22) well, spring (20) assembly is between guiding bushing (19) and guiding axle (21), axial stop device (31) are fixed on guiding axle (21) through lock nut (17), compress tightly cylinder (18), uide bushing (19) and upper bracket assembly (37) fixed connection.

2. The automatic pressing machine for the framework oil seal as claimed in claim 1, wherein: actuating mechanism (2) are including power pressure equipment device (11), fixing base (14), stopper (12), and power pressure equipment device (11) and stopper (12) are fixed respectively on fixing base (14), and power pressure equipment device (11) below is equipped with detachable pressure head (13), and fixing base (14) below is equipped with inductive switch fixed plate (34), is equipped with return stroke inductive switch (39) on inductive switch fixed plate (34), fixing base (14) and second connecting plate (10) fixed connection.

3. The automatic pressing machine for the framework oil seal as claimed in claim 2, wherein: actuating mechanism (2) still include linear guide I (15), and fixing base (14) can slide on linear guide I (15).

4. The automatic pressing machine for the framework oil seal as claimed in claim 3, wherein: the power press-fitting device (11) is a servo electric cylinder, and limit position safety induction switches are respectively arranged on the upper side and the lower side of the servo electric cylinder.

5. The automatic pressing machine for the framework oil seal as claimed in claim 4, wherein: the frame (1) comprises an upper bracket assembly (37), a base (35), hoisting screws (38) and limit stops (36) on two sides, wherein the upper bracket assembly, the base and the hoisting screws are fixedly connected.

6. The automatic pressing machine for the framework oil seal as claimed in claim 5, wherein: and a pressing block I (30), a pressing block II (32) and a pressing block III (33) are respectively connected below piston rods of the pressing cylinders (18) in the three guiding and pressing mechanisms.

7. The automatic pressing machine for the framework oil seal as claimed in claim 6, wherein: and a press mounting disc I (16), a press mounting disc II (23) and a press mounting disc III (24) are respectively arranged below the guide shaft (21) in the three guide pressing mechanisms.

8. The automatic pressing machine for the framework oil seal as claimed in claim 7, wherein: axial positioner (5) are including positioning disk mount pad (25), install positioning disk I (26), positioning disk II (27), positioning disk III (28) on positioning disk mount pad (25) respectively, positioning disk mount pad (25) and base (35) fixed connection.

9. The automatic press-fitting machine for framework oil seals according to any one of claims 1 to 8, which is characterized in that: can be used for press-fitting 30 type seal cap, 40 type seal cap, 50 type seal cap, 916 type seal cap, 956 type seal cap, 958 type seal cap, and 968 type seal cap.