CN107443050B - Automatic assembly device for shaft retainer ring - Google Patents

Automatic assembly device for shaft retainer ring Download PDF

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Publication number
CN107443050B
CN107443050B CN201710856644.4A CN201710856644A CN107443050B CN 107443050 B CN107443050 B CN 107443050B CN 201710856644 A CN201710856644 A CN 201710856644A CN 107443050 B CN107443050 B CN 107443050B
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CN
China
Prior art keywords
unit
press
pushing
retainer ring
fixed plate
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CN201710856644.4A
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Chinese (zh)
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CN107443050A (en
Inventor
毛宜升
徐华杰
何明
汪伟
魏杰
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Wuhan Lianhang Electrical And Mechanical Co ltd
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Wuhan Lianhang Electrical And Mechanical Co ltd
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Priority to CN201710856644.4A priority Critical patent/CN107443050B/en
Publication of CN107443050A publication Critical patent/CN107443050A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/001—Article feeders for assembling machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/001—Article feeders for assembling machines
    • B23P19/004—Feeding the articles from hoppers to machines or dispensers
    • B23P19/005—Feeding the articles from hoppers to machines or dispensers by using flowing gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/001—Article feeders for assembling machines
    • B23P19/006—Holding or positioning the article in front of the applying tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention discloses an automatic assembly device for a check ring for a shaft, which comprises a rack and a workbench, wherein the workbench is used for placing parts to be assembled; the fixed plate is arranged above the workbench and is provided with a conveying channel; the jacking cylinder is fixed on the frame and positioned below the workbench and used for driving the fixing plate and the workbench to reciprocate relatively; the material storage unit is arranged on the fixed plate, and the retainer ring is sleeved on the material storage unit; the pressing unit is arranged on the fixed plate, and a guide unit and a check ring groove are sequentially arranged below the pressing unit; the pushing unit is arranged on the fixed plate and pushes the check ring to the guide unit, and the press-fit unit pushes the check ring of the guide unit into the check ring groove; the control unit, the stock unit, the pushing unit and the press fitting unit are all electrically connected to the control unit. The invention solves the problems of labor consumption, low efficiency, high labor intensity, high cost and easy missing of the assembly of the human tool in the prior art.

Description

Automatic assembly device for shaft retainer ring
Technical Field
The invention relates to the technical field of automatic assembly, in particular to an automatic assembly device for a check ring for a shaft.
Background
The check ring has the function of preventing other parts assembled on the shaft from axial movement, and the check ring for the shaft is assembled by manual assistance by auxiliary tools.
The quick assembly device for the check ring in the prior art is used for assembling the check ring on a bolt journal, and comprises a guide sleeve and a pushing cylinder, wherein one end of the guide sleeve is provided with a guide cone, the other end of the guide sleeve is provided with a central groove, and the check ring is manually installed on the guide cone until the check ring is manually pushed;
the guide sleeve penetrates through the pushing cylinder, when the retainer ring is not pushed up on the guide cone, the retainer ring is pushed by the pushing cylinder in the direction away from the guide cone until the retainer ring is pushed to the position 3-5mm away from the other end of the guide sleeve, the pushing cylinder is stopped temporarily, one threaded end of the bolt extends out of the central groove, the bolt head is manually held by one hand, and the retainer ring is continuously pushed onto the bolt neck by the pushing cylinder by the other hand. The method can realize assembly by using both hands of a worker to work simultaneously, and has the advantages of long assembly time, low efficiency, easy occurrence of neglected loading in manual assembly, high labor intensity of workers and high personnel cost.
Disclosure of Invention
The invention aims to provide an automatic assembly device for a shaft check ring, which is used for solving the problems of low efficiency, high labor intensity of personnel, high cost and easy missing of assembly in the prior art when the assembly of the personnel is finished.
To achieve the purpose, the invention adopts the following technical scheme:
the automatic assembly device for the check ring for the shaft comprises a rack and a workbench, wherein the workbench is used for placing parts to be assembled; the fixed plate is arranged above the workbench, and a conveying channel is arranged on the fixed plate; the jacking cylinder is fixed on the frame, positioned below the workbench and used for driving the fixing plate and the workbench to reciprocate relatively; the material storage unit is arranged on the fixed plate, and the retainer ring is sleeved on the material storage unit; the pressing unit is arranged on the fixed plate, and a guide unit and a check ring groove are sequentially arranged below the pressing unit;
the pushing unit comprises a first pushing sheet arranged in the conveying channel and below the stock unit, and a first pushing cylinder for driving the first pushing sheet to reciprocate relative to the fixed plate in the conveying channel, wherein the first pushing sheet pushes the retainer ring to the guide unit, and the press-fitting unit pushes the retainer ring of the guide unit into a retainer ring groove;
the control unit, stock unit, push unit with press-fit unit all electricity connect in the control unit.
Further, the workbench is fixed on the frame, the extending end of the jacking cylinder is connected with the fixing plate, and the fixing plate, the stock unit, the press-fit unit and the pushing unit are driven to reciprocate relative to the frame along the direction approaching to or departing from the workbench. When the workbench is fixed on the rack, the part to be assembled is placed on the workbench, and the lifting cylinder drives the fixing plate to move up and down relative to the rack, so that the up-and-down movement of the stock unit, the press mounting unit and the pushing unit relative to the part to be assembled is realized, and the guide unit is overlapped with the center of the part to be assembled, so that the part to be assembled is positioned.
Further, the extending end of the jacking cylinder is fixed on the workbench, the workbench can reciprocate along the direction close to or far away from the fixing plate, and the fixing plate, the stock unit, the press-fitting unit, the guiding unit and the pushing unit are fixed on the frame. The technical scheme is that a fixing plate is fixed on a frame, the fixing plate, a material storage unit, a press mounting unit and a pushing unit are all fixed on the frame, a lifting air cylinder pushes a workbench to reciprocate, so that a part to be assembled placed on the workbench can reciprocate up and down relative to the frame, and further the part to be assembled on the workbench can coincide with the center of a guide unit, and the part to be assembled is positioned.
Further, the pushing unit further comprises a second pushing sheet, which is arranged below the first pushing sheet, and is used for supporting the retainer ring in the conveying channel and conveying the retainer ring to the position right above the retainer ring groove;
the second pushing cylinder is arranged on the fixed plate and drives the second pushing thin plate to reciprocate relative to the fixed plate along the conveying channel, and the second pushing cylinder is electrically connected with the control unit.
Further, the guiding unit comprises a conical guide sleeve, and is arranged on the fixing plate;
the conical guide sleeve comprises a round table, the diameter of the round table along the direction close to the check ring groove gradually becomes larger, the round table is used for bearing the check ring pushed by the conveying channel, one end of the large diameter of the round table is connected with a cylinder with the same diameter as the large diameter of the round table, and the diameter of the cylinder is larger than the outer diameter of the check ring groove.
The conical guide sleeve comprises a round table and a cylinder, and aims to enable a retainer ring falling from a guide channel to move along the outer walls of the round table and the cylinder, so that the inner diameter of the retainer ring is gradually expanded and enlarged, and the retainer ring smoothly enters a retainer ring groove.
Further, the press-fitting unit comprises a press-fitting air cylinder which is arranged on the fixed plate, the extending end of the press-fitting air cylinder is connected with a pressure head assembly, and the press-fitting air cylinder is electrically connected with the control unit;
the pressure head assembly comprises an external pressure head, a fork-shaped pressure head and a spring;
one end of the external pressure head is connected to the extending end of the press-fit cylinder, and a first groove is formed in the center of the other end of the external pressure head; the two ends of the spring are respectively connected with the bottom of the first groove and one end of the fork-shaped pressure head, and when the fork-shaped pressure head is not contacted with the retainer ring, the other end of the fork-shaped pressure head protrudes out of the external pressure head;
the round table is provided with a second groove matched with the fork-shaped pressure head, and the fork-shaped pressure head slides back and forth in the second groove relative to the external pressure head;
the outer ram is capable of reciprocating relative to the fork ram in a direction toward or away from the retainer ring groove.
The retaining ring falls onto the round platform of the conical guide sleeve from the conveying channel, slides in the second groove towards the direction close to the retaining ring groove through the forked pressure head, meanwhile, the top end of the forked pressure head pushes the retaining ring to slide towards the outer wall of the cylinder along the outer wall of the round platform, after the retaining ring slides to the outer wall of the cylinder, the retaining ring is continuously pressed down into the retaining ring groove through the external pressure head, the process realizes automatic expansion of the diameter of the retaining ring and is assembled into the retaining ring groove, manual assembly is avoided, the working efficiency is improved, and the retaining ring is safe and reliable.
Further, a strip-shaped hole is formed in the outer pressing head, a threaded hole matched with the strip-shaped hole is formed in the fork-shaped pressing head, a screw penetrating through the strip-shaped hole and the fork-shaped pressing head is arranged in the threaded hole, and the screw moves back and forth along the strip-shaped hole.
Further, a third groove is formed in one end, connected with the press-fit cylinder, of the external pressure head, and the press-fit unit further comprises;
the fixing piece is embedded between the external pressure head and the press-fitting cylinder, one end of the fixing piece is embedded into the third groove of the external pressure head, and the other end of the fixing piece is connected with the output end of the press-fitting cylinder;
the first through hole penetrates through the external pressure head and the fixing piece, and a detachable first bolt is arranged in the first through hole.
Further, the guide unit further comprises a guide sleeve mounting seat which is fixedly arranged on the fixed plate;
the two ends of the guide sleeve fixing block are respectively connected with the side wall of the conical guide sleeve and the guide sleeve mounting seat;
the second through hole penetrates through the guide sleeve mounting seat and the guide sleeve fixing block, and a detachable second bolt is arranged in the second through hole in a matching mode.
Further, the stock unit comprises a charging barrel, and the retainer ring is sleeved on the charging barrel;
the charging barrel fixing seat is fixedly arranged on the fixing plate, and the charging barrel is connected with the charging barrel fixing seat;
the third through hole penetrates through the charging barrel and the charging barrel fixing seat, and a detachable third bolt is arranged in the third through hole in a matching mode;
the outside of stock unit just is close to stock unit lower extreme is provided with the detection component, the detection component electricity connect in the control unit.
The invention has the beneficial effects that: the clamping springs falling from the stock unit are pushed to the guide unit through the conveying unit, and then the clamping springs are pushed to the clamping spring groove through the press-fitting unit, so that the automatic assembly of the clamping springs is realized, the working efficiency is improved, the manual operation interference is not needed in the assembly process, the safety and reliability are realized, the labor cost is reduced, the automatic assembly work can be realized only by manually loading the check rings into the stock unit, and the work safety coefficient of workers is improved.
Drawings
FIG. 1 is a schematic view of an angle configuration of an automatic assembly device (excluding a frame) for a retainer ring for a shaft according to the present invention;
FIG. 2 is a front view of the automatic assembly device for a shaft retainer ring of the present invention;
FIG. 3 is a front view of the automatic assembly device (excluding the frame) for a shaft retainer ring of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic view of an angle of the automatic assembly device (excluding the frame and the jacking cylinder) for the shaft retainer ring of the present invention;
FIG. 6 is a schematic view of another angle configuration of the automatic assembly device (excluding the frame, the jacking cylinder) for the shaft retainer ring of the present invention;
fig. 7 is a schematic view of the structure of the pushing unit of the present invention at an angle;
fig. 8 is a front view of the pushing unit of the present invention;
FIG. 9 is a schematic view of the structure of the stock unit of the present invention at an angle;
FIG. 10 is a schematic view of another angle configuration of the stock unit of the present invention;
FIG. 11 is a schematic view of the structure of the cartridge of the present invention at an angle;
FIG. 12 is a schematic view of an angle configuration of the guide unit of the present invention;
fig. 13 is a schematic view of another angle structure of the guide unit of the present invention;
FIG. 14 is an elevation view of a tapered guide sleeve of the guide unit of the present invention;
FIG. 15 is a D-D cross-sectional view of FIG. 14 in accordance with the present invention;
FIG. 16 is a schematic view of the structure of the ram assembly of the present invention at an angle;
FIG. 17 is an elevational view of the ram assembly of the present invention;
FIG. 18 is a C-C cross-sectional view of FIG. 17 in accordance with the present invention;
FIG. 19 is a schematic view of the structure of an angle of the fork ram of the present invention;
FIG. 20 is a schematic view of an angular configuration of the press-fit unit of the present invention;
fig. 21 is a front view of the press-fitting unit of the present invention;
fig. 22 is a B-B view of fig. 21 in accordance with the present invention.
In the figure:
1. a frame; 2. a work table; 3. a fixing plate; 31. a conveying channel; 33. a fixed block; 4. jacking the air cylinder;
5. a stock unit; 51. a charging barrel; 52. a cylinder fixing seat; 521. a third through hole; 53. a third latch; 54. a detection assembly; 55. balancing weight; 56. a material storage unit fixing seat;
6. a press-fitting unit; 61. a cylinder is pressed and assembled; 62. a ram assembly; 621. an external ram; 6211. a first groove; 6212. a bar-shaped hole; 6213. a third groove; 622. a fork-shaped pressure head; 6221. a threaded hole; 623. a spring; 63. a fixing member; 631. a first through hole; 64. a first latch; 65. a pressure head jacket; 651. sleeving the strip-shaped holes;
7. a guide unit; 71. a conical guide sleeve; 711. round bench; 7111. a second groove; 712. a cylinder; 713. a fourth through hole; 714. a small round table; 715. a center; 72. a guide sleeve mounting seat; 721. a second through hole; 73. a guide sleeve fixing block; 74. a second latch;
8. a retainer ring; 80. a retainer ring groove;
9. a pushing unit; 91. a first pushing sheet; 92. a first pushing cylinder; 93. a second pushing sheet; 94. a second pushing cylinder; 95. and a second pushing cylinder fixing plate.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4 and fig. 7, the embodiment provides an automatic assembly device for a check ring for a shaft, which comprises a frame 1, and also comprises a workbench 2 fixed on the frame 1 and used for placing parts to be assembled, as shown in fig. 1; a fixed plate 3 disposed above the table 2, the fixed plate 3 being provided with a conveying passage 31; the jacking air cylinder 4 is fixed on the frame 1 and positioned below the workbench 2, and the extending end of the jacking air cylinder 4 is connected with the fixed plate 3 and is used for driving the fixed plate 3 to reciprocate relatively to the workbench 2;
as shown in fig. 5 and 6, the stock unit 5 is arranged on the fixed plate 3, and the retainer ring 8 is sleeved on the stock unit 5; the press-fit unit 6 is arranged on the fixed plate 3, and a guide unit 7 and a check ring groove 80 are sequentially arranged below the press-fit unit 6;
as shown in fig. 7 and 8, the pushing unit 9 includes a first pushing sheet 91 provided in the conveying passage 31 and below the stock unit 5, and a first pushing cylinder 92 driving the first pushing sheet 91 to reciprocate in the conveying passage 31 with respect to the fixed plate 3, the first pushing sheet 91 pushing the retainer ring 8 to the guide unit 7, and the press-fitting unit 6 pushing the retainer ring 8 of the guide unit 7 into the retainer ring groove 80;
the control unit, the stock unit 5, the pushing unit 9 and the press fitting unit 6 are all electrically connected to the control unit.
The jacking cylinder 4 drives the fixing plate 3, the stock unit 5, the press-fitting unit 6, and the pushing unit 9 to reciprocate relative to the frame 1 in a direction approaching or separating from the table 2.
As shown in fig. 1-4, the extending end of the jacking cylinder 4 is fixedly connected with a jacking fixed plate 41, the jacking fixed plate 41 is fixedly connected with one end of a guide post 42, a guide sleeve 43 is arranged on the workbench 2, the guide post 42 passes through the guide sleeve 43 and can slide relative to the workbench 2, and the other end of the guide post 42 is fixedly connected with the fixed plate 3.
Further, as shown in fig. 7 and 8, the pushing unit 9 further includes a second pushing sheet 93 disposed below the first pushing sheet 91, and the second pushing sheet 93 is used for supporting the retainer ring 8 in the conveying channel 31 and conveying the retainer ring 8 to a position directly above the retainer ring groove 80;
the second pushing cylinder 94 is disposed on the fixed plate 3, and drives the second pushing sheet 93 to reciprocate along the conveying channel 31 relative to the fixed plate 3, and the second pushing cylinder 94 is electrically connected to the control unit. The conveying passage 31 of the fixed plate 3 includes a blanking hole 311 located right above the guide unit 7, and a conveying groove 312 communicating with the blanking hole 311, and the first and second push thin plates 91 and 93 reciprocate in the conveying groove 312. One end of the first pushing sheet 91 is connected to the first pushing cylinder 92, and the other end of the first pushing sheet is provided with a V-shaped opening for pushing the retainer ring 8 to move towards the direction approaching the blanking hole 311; one end of the second pushing sheet 93 is connected to the extending end of the second pushing cylinder 94, and the other end of the second pushing sheet 93 is provided with a "U" shaped opening for supporting the retainer ring 8, and the other end of the second pushing sheet 93 may not be provided with any structure and may also play a role in supporting the retainer ring 8. Preferably, the other end of the second pushing sheet 93 is provided with a "U" shaped opening for weight reduction of the second pushing sheet 93.
When the first push sheet 91 and the second push sheet 93 push the retainer ring 8 to move in the direction approaching the blanking hole 311 in the conveying groove 312, the first push sheet 91 and the second push sheet 93 move in the direction approaching the blanking hole 311 at the same time, and the second push sheet 93 may move in advance of the first push sheet 91; when the first push sheet 91 and the second push sheet 93 move in a direction away from the blanking hole 311, the second push sheet 93 needs to move in a direction away from the blanking hole 311 before the first push sheet 91 or simultaneously move in a direction away from the blanking hole 311 with the first push sheet 91, and when the first push sheet 91 and the second push sheet 93 drive the retainer ring 8 to be located directly above the blanking hole 311, in order to make the retainer ring 8 smoothly drop onto the guide unit 7, the second push sheet 93 needs to restrict the retainer ring 8 by using a "V" shaped opening when the second push sheet 93 moves in a direction away from the blanking hole 311, and the retainer ring 8 is placed along with the second push sheet 93. The first pushing sheet 91 pushes the retainer ring 8 on the second pushing sheet 93 into the blanking hole 311 by means of the relative movement of the two, and drops onto the guide unit 7. The second pushing cylinder 94 is disposed below the fixing plate 3 and the second pushing sheet 93, an extending end of the second pushing cylinder 94 is connected with one end of the second pushing sheet 93, and the other end of the second pushing cylinder 94 is fixedly connected with the fixing plate 3 through a second pushing cylinder fixing plate 95. The first pushing cylinder 91 is disposed above the fixed plate 3 and is fixed with the fixed plate 3 by the fixed block 33.
Preferably, as shown in fig. 9-11, the stock unit 5 in this embodiment includes a barrel 51, and a retainer ring 8 is sleeved on the barrel 51; the charging barrel fixing seat 52 is fixedly arranged on the fixing plate 3, and the charging barrel 51 is detachably connected with the charging barrel fixing seat 52.
As shown in fig. 9, the retainer ring 8 is sleeved on the charging barrel 51, the balancing weight 55 is arranged on the retainer ring 8, and the purpose of the balancing weight 55 is to enable the retainer ring 8 sleeved on the charging barrel 51 to slide into the conveying channel 31 along the charging barrel 51 by means of self gravity and the gravity of the balancing weight 55. The cartridge holder 52 is fixed with the fixing plate 3 by the stock unit holder 56, and the stock unit holder 56 is disposed right above the conveying passage 31 and fixedly connected with the fixing plate 3.
As shown in fig. 9, a third through hole 521 penetrates through the cartridge 51 and the cartridge holder 52, and a detachable third plug 53 is disposed in the third through hole 521 in a matching manner.
As shown in fig. 11, the cartridge 51 is provided with a protruding structure along the outer wall of the cartridge 51, the cartridge holder 52 is provided with a fourth groove matching with the protruding structure, the protruding structure is inserted into the fourth groove, the third through hole 521 penetrates through the protruding structure and the fourth groove, and the third through hole 521 is provided with a detachable third plug 53. The purpose of the third bolt 53 is to remove the balancing weight 55 on the cylinder 51 that has used the balancing weight 8 after the retainer 8 sleeved on the cylinder 2 is used, and to quickly replace the balancing weight 55 on the other cylinder 51 by the third bolt 53, and then to install the balancing weight 55 on the other cylinder 51 so as to continue the operation.
As shown in fig. 9 and 10, a detection component 54 is disposed on the outer side of the stock unit 5 and near the lower end of the stock unit 5, and the detection component 54 is electrically connected to the control unit. Specifically, the detecting component 54 is a sensor installed at the position of the charging barrel 51 near the bottom, and when the check ring 8 is used up, the sensor sends a signal to the control unit, and the control unit reminds the staff to add the check ring 8 in time.
Further, as shown in fig. 12 and 13, the guiding unit 7 includes a tapered guide sleeve 71, a guide sleeve mounting seat 72 and a guide sleeve fixing block 73, wherein, the side wall of the tapered guide sleeve 71 is fixedly connected with the guide sleeve fixing block 73, as shown in fig. 14 and 15, a fourth through hole 713 is formed in the tapered guide sleeve 71, the tapered guide sleeve 71 passes through the fourth through hole 713 to be fixedly connected with the guide sleeve fixing block 73 by a screw, the guide sleeve fixing block 73 is fixedly connected with the guide sleeve mounting seat 72, and the fixing mounting seat 72 is fixed on the fixing plate 3;
as shown in fig. 14, the tapered guide sleeve 71 includes a circular truncated cone 711, the circular truncated cone 711 has a diameter gradually increasing in a direction approaching the retainer groove 80, the circular truncated cone 711 is used for receiving the retainer 8 pushed from the conveying channel 31, one end of the circular truncated cone 711 having a large diameter is connected with a cylinder 712 having the same large diameter as the circular truncated cone 711, and the diameter of the cylinder 712 is larger than the outer diameter of the retainer groove 80. Specifically, as shown in fig. 14, a small circular truncated cone 714 is provided at one end of the circular truncated cone 711 away from the cylinder 712, and the small circular truncated cone 714 is inclined to a greater extent in a direction approaching the retainer groove 80 and in a direction away from the center of the retainer groove 80 than the circular truncated cone 711; the small round table 714 is used for receiving the retainer ring 8 which falls from the conveying passage 31. The end of the cylinder 712 near the retainer groove 80 is provided with a tip 715, so that when the workbench 2 drives the shaft part to be assembled to move toward the end near the tapered guide sleeve 71, the tip 715 is matched and positioned with a pit at the end of the shaft part with assembly, thereby aligning the center of the guide unit 7 with the center of the retainer groove 80.
As shown in fig. 12 and 13, the guide unit 7 in the present embodiment is further provided with a second through hole 721, and the second through hole 721 penetrates the guide sleeve mount 72 and the guide sleeve fixing block 73, and a detachable second plug 74 is disposed in the second through hole 721 in a matching manner. The tapered guide sleeve 71 and the guide sleeve fixing block 73 can be replaced quickly by the second pin 74.
Preferably, as shown in fig. 16-18, the press-fitting unit 6 in this embodiment includes a press-fitting cylinder 61 disposed on the fixed plate 3, the protruding end of the press-fitting cylinder 61 is connected with a ram assembly 62, and the press-fitting cylinder 61 is electrically connected to the control unit.
As shown in fig. 16-19, ram assembly 62 includes an external ram 621, a fork ram 622, and a spring 623;
one end of the external pressure head 621 is connected to the extending end of the press-fitting cylinder 61, and a first groove 6211 is formed in the center of the other end of the external pressure head 621; two ends of the spring 623 are respectively connected with the bottom of the first groove 6211 and one end of the forked pressure head 622, and when the forked pressure head 622 is not contacted with the retainer ring 8, the other end of the forked pressure head 622 protrudes out of the external pressure head 621;
the circular table 711 is provided with a second groove 7111 matched with the fork-shaped pressure head 622, and the fork-shaped pressure head 622 slides reciprocally in the second groove 7111 relative to the external pressure head 621;
the outer ram 621 is capable of reciprocating relative to the fork ram 622 in a direction toward or away from the retainer groove 80.
The retainer ring 8 falls onto the round table 711 of the conical guide sleeve 71 from the conveying channel 31, slides in the direction close to the retainer ring groove 80 in the second groove 7111 through the forked pressure head 622, meanwhile, the top end of the forked pressure head 622 pushes the retainer ring 8 to slide towards the outer wall of the cylinder 712 along the outer wall of the round table 711, after the retainer ring 8 slides to the outer wall of the cylinder 712, the retainer ring 8 is continuously pressed down into the retainer ring groove 80 through the external pressure head 621, the process realizes automatic expansion of the diameter of the retainer ring 8 and is assembled into the retainer ring groove 80, manual assembly is avoided, the working efficiency is improved, and the retainer ring is safe and reliable.
Further, as shown in fig. 16 and 17, the external ram 621 is provided with a bar-shaped hole 6212, as shown in fig. 16, the fork-shaped ram 622 is provided with a threaded hole 6221 matching the bar-shaped hole 6212, and a screw passing through the bar-shaped hole 6212 and the fork-shaped ram 622 is provided in the threaded hole 6221 and reciprocates along the bar-shaped hole 6212.
Further, as shown in fig. 17 and 18, the press-fitting unit 6 further includes a third recess 6213 provided at one end of the external press head 621 connected to the press-fitting cylinder 61;
the fixing piece 63 is embedded between the external pressure head 621 and the press-fitting cylinder 61, one end of the fixing piece 63 is embedded in the third groove 6213 of the external pressure head 621, and the other end of the fixing piece 63 is connected with the output end of the press-fitting cylinder 61;
the first through hole 631 penetrates the outer pressing head 621 and the fixing member 63, and a detachable first latch 64 is provided in the first through hole 631.
As shown in fig. 20 to 22, the press-fitting unit 6 in this embodiment further includes a press-fitting housing 65, two ends of the press-fitting housing 65 are fixedly connected to the press-fitting cylinder 61 and the fixing plate 3, respectively, and the press-fitting assembly 62 is disposed inside the press-fitting housing 65 and is capable of reciprocating in a direction approaching or separating from the guide unit 7 with respect to the press-fitting assembly 62. The outer wall of the ram jacket 65 is provided with a jacket strip hole 651 which is matched with the first bolt 64, the first bolt 64 reciprocates in the jacket strip hole 651, the screw can reciprocate in the jacket strip hole 651, and the jacket strip hole 651 has a limiting function on the screw. The fixing block 33 is fixed to the sidewall of the ram housing 65 for facilitating the installation of the first pushing cylinder 92.
The specific working process of the automatic assembly device for the shaft retainer ring of the embodiment is as follows:
1. on the part placement workbench 2 to be assembled, a check ring groove 80 is arranged on the shaft of the part to be assembled, the jacking cylinder 4 drives the fixed plate 3, the stock unit 5, the press-fit unit 6 and the guide unit 7 to move towards the direction close to the workbench 2, and after the center 715 is tightly propped against the shaft end of the part to be assembled, the center positioning of the guide unit 7 and the check ring groove 80 is realized.
2. The check ring 8 on the stock unit 5 falls into the conveying channel 31 one at a time under the action of the balancing weight 55 and self gravity;
3. the first pushing sheet 91 is pushed by the first pushing cylinder 92, the second pushing cylinder 94 pushes the second pushing sheet 93, and the retainer ring 8 of the aline delivery passage 31 is pushed onto the tapered guide sleeve 71 by the cooperation of the first pushing sheet 91 and the second pushing sheet 93.
4. Under the action of the press-fitting cylinder 61, the forked pressing head 622 slides in the second groove 7111 on the conical guide sleeve 71 to a position close to the check ring groove 80, so that the check ring 8 is pushed onto the cylinder 712 from the round table 711, and then the outer pressing head 621 continues to press down, so that the check ring 8 is pushed into the check ring groove 80 from the cylinder 712.
5. The jacking air cylinder 4 pushes the fixing plate 3 upwards, so that the material storage unit 5, the press-fitting unit 6 and the guide unit 7 are driven to move in a direction away from the workbench 2, and the assembled parts are taken away.
Example two
On the basis of the first embodiment described above, this embodiment is different from the first embodiment in that the projecting end of the jacking cylinder 4 in the automatic shaft retainer ring assembling apparatus of this embodiment is fixed to the table 2, and the table 2 can reciprocate in the direction approaching or departing from the fixed plate 3, and the fixed plate 3, the stock unit 5, the press-fitting unit 6, the guide unit 7, and the pushing unit 9 are fixed to the frame 1.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (9)

1. An automatic assembly device for a check ring for a shaft comprises a frame (1), and is characterized by further comprising
A workbench (2) for placing parts to be assembled;
a fixed plate (3) arranged above the workbench (2), wherein a conveying channel (31) is arranged on the fixed plate (3);
the jacking air cylinder (4) is fixed on the frame (1) and is positioned below the workbench (2) and used for driving the fixing plate (3) to reciprocate relative to the workbench (2), the jacking fixing plate (41) is fixedly connected to the extending end of the jacking air cylinder (4), a guide pillar (42) is fixed to one end of the jacking fixing plate (41), a guide sleeve (43) is arranged on the connecting workbench (2), the guide pillar (42) penetrates through the guide sleeve (43) and can slide relative to the workbench (2), and the other end of the guide pillar (42) is fixedly connected to the fixing plate (3);
the material storage unit (5) is arranged on the fixed plate (3), and the retainer ring (8) is sleeved on the material storage unit (5);
the press-fit unit (6) is arranged on the fixed plate (3), and a guide unit (7) and a check ring groove (80) are sequentially arranged below the press-fit unit (6);
a pushing unit (9) comprising a storage unit arranged in the conveying channel (31)(5) A first pushing sheet (91) below, and a first pushing cylinder (92) driving the first pushing sheet (91) to reciprocate in the conveying passage (31) with respect to the fixed plate (3), the first pushing sheet (91) pushing the retainer ring (8) to the guide unit (7) ， The press-fit unit (6) pushes the retainer ring (8) of the guide unit (7) into a retainer ring groove (80);
the material storage unit (5), the pushing unit (9) and the press mounting unit (6) are electrically connected to the control unit;
the pushing unit (9) further comprises
A second pushing sheet (93) disposed below the first pushing sheet (91), the second pushing sheet (93) being configured to support a retainer ring (8) in the conveying path (31) and convey the retainer ring (8) to a position directly above the retainer ring groove (80);
and the second pushing cylinder (94) is arranged on the fixed plate (3) and drives the second pushing thin plate (93) to reciprocate relative to the fixed plate (3) along the conveying channel (31), and the second pushing cylinder (94) is electrically connected with the control unit.
2. The automatic assembly device for the shaft retainer ring according to claim 1, wherein the workbench (2) is fixed on the frame (1), the protruding end of the jacking cylinder (4) is connected to the fixed plate (3), and the fixed plate (3), the stock unit (5), the press-fitting unit (6) and the pushing unit (9) are driven to reciprocate relative to the frame (1) in a direction approaching or separating from the workbench (2).
3. The automatic assembly device for the shaft retainer ring according to claim 1, wherein the protruding end of the jacking cylinder (4) is fixed on the workbench (2), the workbench (2) can reciprocate in a direction approaching or separating from the fixed plate (3), and the fixed plate (3), the stock unit (5), the press-fitting unit (6), the guide unit (7) and the pushing unit (9) are fixed on the frame (1).
4. An automatic assembly device for a shaft collar according to claim 2 or 3, characterized in that the guiding unit (7) comprises a conical guide sleeve (71) arranged on the fixed plate (3);
the conical guide sleeve (71) comprises a round table (711), the diameter of the round table (711) gradually becomes larger along the direction close to the check ring groove (80), the round table (711) is used for bearing the check ring (8) pushed by the conveying channel (31), one end of the large diameter of the round table (711) is connected with a cylinder (712) with the same large diameter as the round table (711), and the diameter of the cylinder (712) is larger than the outer diameter of the check ring groove (80).
5. The automatic assembly device for a shaft retainer ring according to claim 4, wherein the press-fitting unit (6) includes
The press-fit air cylinder (61) is arranged on the fixed plate (3), the extending end of the press-fit air cylinder (61) is connected with a pressure head assembly (62), and the press-fit air cylinder (61) is electrically connected with the control unit;
the ram assembly (62) includes an external ram (621), a fork ram (622) and a spring (623);
one end of the external pressure head (621) is connected to the extending end of the press-fitting cylinder (61), and a first groove (6211) is formed in the center of the other end of the external pressure head (621); two ends of the spring (623) are respectively connected with the bottom of the first groove (6211) and one end of the forked pressure head (622), and when the forked pressure head (622) is not contacted with the retainer ring (8), the other end of the forked pressure head (622) protrudes out of the external pressure head (621);
a second groove (7111) matched with the fork-shaped pressure head (622) is formed in the round table (711), and the fork-shaped pressure head (622) slides back and forth relative to the external pressure head (621) in the second groove (7111);
the outer ram (621) is reciprocally movable relative to the fork ram (622) in a direction toward or away from the retainer ring groove (80).
6. The automatic assembly device for a shaft retainer ring according to claim 5, wherein a bar-shaped hole (6212) is provided on the outer ram (621), a threaded hole (6221) matched with the bar-shaped hole (6212) is provided on the fork-shaped ram (622), and a screw passing through the bar-shaped hole (6212) and the fork-shaped ram (622) is provided in the threaded hole (6221), and reciprocates along the bar-shaped hole (6212).
7. The automatic assembly device for a shaft retainer ring according to claim 5, wherein a third groove (6213) is provided at one end of the external press head (621) connected to the press-fitting cylinder (61); the press-fitting unit (6) further comprises
The fixing piece (63) is embedded between the external pressure head (621) and the press-fitting cylinder (61), one end of the fixing piece (63) is embedded into the third groove (6213) of the external pressure head (621), and the other end of the fixing piece is connected with the output end of the press-fitting cylinder (61);
the first through hole (631) penetrates through the external pressure head (621) and the fixing piece (63), and a detachable first plug pin (64) is arranged in the first through hole (631).
8. An automatic assembly device for a shaft collar according to claim 4, characterized in that said guiding unit (7) further comprises
The guide sleeve mounting seat (72) is fixedly arranged on the fixed plate (3);
the two ends of the guide sleeve fixing block (73) are respectively connected with the side wall of the conical guide sleeve (71) and the guide sleeve mounting seat (72);
and a second through hole (721) penetrates through the guide sleeve mounting seat (72) and the guide sleeve fixing block (73), and a detachable second bolt (74) is arranged in the second through hole (721) in a matching way.
9. An automatic assembly device for a shaft collar according to claim 2 or 3, characterized in that said stock unit (5) comprises
The retaining ring (8) is sleeved on the charging barrel (51);
the charging barrel fixing seat (52) is fixedly arranged on the fixing plate (3), and the charging barrel (51) is connected with the charging barrel fixing seat (52);
a third through hole (521) penetrating through the charging barrel (51) and the charging barrel fixing seat (52), wherein a detachable third bolt (53) is arranged in the third through hole (521) in a matching way;
the automatic feeding device is characterized in that a detection assembly (54) is arranged on the outer side of the storage unit (5) and close to the lower end of the storage unit (5), and the detection assembly (54) is electrically connected to the control unit.
CN201710856644.4A 2017-09-21 2017-09-21 Automatic assembly device for shaft retainer ring Active CN107443050B (en)

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