CN107457561B - Automatic clamping spring assembly device - Google Patents
Automatic clamping spring assembly device Download PDFInfo
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- CN107457561B CN107457561B CN201710858855.1A CN201710858855A CN107457561B CN 107457561 B CN107457561 B CN 107457561B CN 201710858855 A CN201710858855 A CN 201710858855A CN 107457561 B CN107457561 B CN 107457561B
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- ram
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- 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
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- 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
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention relates to the technical field of clamp spring assembly, and discloses an automatic clamp spring assembly device which comprises a rack, a material storage unit, a clamping spring assembly device and a clamping spring assembly device, wherein the material storage unit is arranged on the rack and is used for stacking clamp springs; the conveying unit comprises a conveying channel arranged on the frame, a conveying sheet and a clamp spring conveying cylinder for pushing the conveying sheet to reciprocate in the conveying channel; the conveying channel is positioned right below the stock unit, and the clamp spring can fall into the conveying channel from the stock unit and is pushed by the conveying thin plate to be separated from the conveying channel to right above the clamp spring groove; the press-fit unit is arranged on the rack and is used for pressing the clamp spring positioned right above the clamp spring groove into the clamp spring groove; the control unit, the stock unit, the conveying unit and the press fitting unit are all electrically connected to the control unit. The invention solves the problems that the structure of equipment or a device for assembling the snap spring into the inner hole is complex, the snap spring is not easy to position in the assembling process, and the working efficiency is low.
Description
Technical Field
The invention relates to the technical field of clamp spring assembly, in particular to an automatic clamp spring assembly device.
Background
The assembly of general jump ring uses some professional equipment to assemble by the manual work, and when the jump ring groove that the jump ring assembled is located the position of hole deeper, the manual degree of difficulty that assembles with jump ring pincers of manual work increases, inefficiency, and the manual assembly has the jump ring risk of neglected loading, and jump ring neglected loading can cause serious accident.
The feeding conveying mechanism of the inner hole clamp spring automatic assembly device in the prior art carries out feeding in a blowing and vibrating mode. Specifically, be provided with the jump ring passageway of carrying the jump ring on the jump ring loading board, one side of jump ring loading board is connected with material loading conveying mechanism, and material loading conveying mechanism is provided with the material loading passageway, and the material loading passageway is linked together with the jump ring passageway to set up jump ring gas conveying structure on the material loading passageway, jump ring gas conveying structure is the air cock that links to each other with the air supply, shakes the jump ring when blowing the jump ring through the air cock, realizes carrying out the material loading to the jump ring. The feeding mode is complex in structure, the clamping springs are fed by the aid of the air nozzles and vibration, the clamping springs are not easy to position, the positioning structure is required to be additionally arranged for positioning the clamping springs, and the working efficiency is low.
Disclosure of Invention
The invention aims to provide an automatic clamp spring assembly device which is used for solving the problems that equipment or a device for assembling clamp springs into inner holes is complex in structure, the clamp springs are not easy to position in the assembly process and the working efficiency is low.
To achieve the purpose, the invention adopts the following technical scheme:
the automatic clamp spring assembling device comprises a frame, a material storage unit, a clamping spring assembling mechanism and a clamping spring assembling mechanism, wherein the material storage unit is arranged on the frame and used for stacking the clamping spring; the conveying unit comprises a conveying channel arranged on the frame, a conveying sheet and a clamp spring conveying cylinder for pushing the conveying sheet to reciprocate in the conveying channel; the conveying channel is positioned right below the stock unit, and the clamp spring can fall into the conveying channel from the stock unit and is pushed by the conveying thin plate to be separated from the conveying channel to right above the clamp spring groove; the press-fit unit is arranged on the rack and is used for pressing the clamp spring positioned right above the clamp spring groove into the clamp spring groove; the control unit, the stock unit, the conveying unit and the press fitting unit are all electrically connected to the control unit.
Further, still include jump ring passageway unit, jump ring passageway unit includes:
the pressure head guide sleeve is connected with the press mounting unit, and a guide channel communicated with the conveying channel is arranged on one side of the pressure head guide sleeve, which is in contact with the conveying channel;
the pressure head guide sleeve is provided with an inner hole, the inner hole is communicated with the guide channel, and the diameter of the inner hole gradually becomes smaller from the guide channel along the direction away from the press-fit unit;
the clamping springs in the guide channels can be pushed into the inner holes by the conveying thin plates and pushed by the press-fit units, so that the clamping springs penetrate through the inner holes and enter the clamping spring grooves.
Further, at least two through holes are circumferentially formed in the outer wall of one end, close to the press mounting unit, of the press head guide sleeve, and the clamp spring channel unit further comprises an elastic inclined block, a spring and a spring fixing block which are connected with each other in sequence along the radial direction of the press head guide sleeve and far away from the center of the press head guide sleeve;
the elastic inclined block is close to the center of the pressure head guide sleeve, a first inclined surface is arranged at one end of the elastic inclined block, which is close to the press-fit unit, and the elastic inclined block can extend out of and retract into the through hole;
one end of the spring fixing block is fixed on the pressure head guide sleeve.
Further, one end of the elastic inclined block, which is far away from the fixed block, is provided with an inclined plane connected with the first inclined plane, and the inclined plane gradually inclines towards the center of the pressure head guide sleeve along the pressing-in direction of the press-in unit.
Further, an outer cylinder is arranged right below the pressure head guide sleeve, the outer cylinder is arranged on the frame, and the clamp spring groove is arranged in the outer cylinder;
the pressure head uide bushing is kept away from the one end outer wall of pressure equipment unit is provided with first ladder and second ladder, first ladder with the external diameter of second ladder all with the internal diameter looks adaptation of outer jar.
Further, the press-fitting unit comprises a clamp spring press-fitting cylinder, a first fixing plate, a guide core bar, a first elastic piece and a press head;
the clamp spring press-fitting cylinder is fixedly arranged on the frame;
opposite sides of the first fixing plate are respectively connected with the extending ends of the pressure head guide sleeve and the clamp spring press-fitting cylinder;
one end of the guide core rod is fixedly connected with a second fixing plate, and the other end of the guide core rod penetrates through the first fixing plate and the rack;
the first elastic piece is arranged between the first fixed plate and the second fixed plate and sleeved on the guide core rod;
the pressure head, the one end of pressure head set up in on the first fixed plate, and with first elastic component is located the same side of first fixed plate, the pressure head will in the hole the jump ring is impressed in the jump ring groove.
Further, the pressure head comprises a pressure head body, a pressure head end cover, a pressure head inclined block and a second elastic piece;
one end of the pressure head body is connected to the first fixing plate, and a groove is formed in the other end of the pressure head body and penetrates through the outer wall of the pressure head body;
one end of the pressure head end cover is inserted into the groove and connected with the pressure head body, and the maximum diameter of the pressure head end cover is smaller than the inner diameter of the clamp spring positioned at the position with the minimum inner hole diameter;
the second elastic piece is arranged in the groove, and two ends of the second elastic piece are respectively connected with one ends of the pressure head end cover and the pressure head inclined block;
the pressure head sloping block is arranged in the groove, and the other end of the pressure head sloping block can extend out of or retract into the outer wall of the pressure head body and can pass through the inner hole.
Further, the pressure head oblique block comprises a first pressure head block and a second pressure head block, one end of the first pressure head block is connected with the second pressure head block, one end, close to the second elastic piece, of the second pressure head block is in a circular arc shape concentric with the pressure head end cover, and the first pressure head block can extend out of or retract into the pressure head body along the groove; the second ram blocks reciprocate along the grooves and in a radial direction near or far from the center of the ram end cap, and cannot extend out of the ram body.
Further, the stock unit includes the feed cylinder, the jump ring cover in on the feed cylinder, the feed cylinder set up in the frame, the outside of feed cylinder is close to the bottom of feed cylinder is provided with the detection component, the detection component electricity is connected in the control unit.
Further, the jump ring pressure equipment cylinder is the readable cylinder of stroke, jump ring pressure equipment cylinder is provided with the sensor, the sensor electricity is connected in the control unit.
The invention has the beneficial effects that:
1. through placing a plurality of jump rings on the storage unit once, the jump ring is automatic from the last one that drops of storage unit, gets into in the conveying channel, has solved the problem through air cock and vibration to the jump ring material loading in the jump ring automatic assembly device, need not treat the jump ring of assembly and fix a position again before the pressure equipment arrives the jump ring inslot, has improved work efficiency.
2. The clamp spring is pushed into the clamp spring channel unit from the conveying channel through the conveying thin plate, the diameter of the clamp spring is gradually reduced in the process that the clamp spring is pressed down by the press-fit unit in the clamp spring channel unit, and accordingly the clamp spring enters the clamp spring groove of the outer cylinder, and the clamp spring can be accurately and stably assembled into the clamp spring groove through the clamp spring channel unit.
3. The clamp spring channel unit not only plays a role in providing a channel for downward movement of the clamp spring through the pressure head guide sleeve, but also cooperates with the outer cylinder to play a role in positioning, and further ensures the precision and accuracy of the clamp spring groove for assembling the clamp spring to the outer cylinder.
4. Through stock unit, conveying unit, pressure equipment unit and jump ring passageway unit, realized automatic blanking, pay-off, location and pressure equipment's continuous operation, guaranteed the jump ring and assembled accuracy and the continuity in the jump ring groove, also improved work efficiency simultaneously, reduced staff's working strength to the cost of labor has been reduced.
Drawings
FIG. 1 is a schematic view of an angle structure of the snap spring automatic assembly device of the present invention;
FIG. 2 is a front view of the snap spring automatic assembly device of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of another angle of the snap spring automatic assembly device of the present invention;
FIG. 5 is a schematic view of an angle of a conveying unit of the snap spring automatic assembly device of the present invention;
FIG. 6 is a schematic view of another angle of the conveying unit of the snap spring automatic assembly device of the present invention;
FIG. 7 is a schematic view of an angle of a stock unit of the snap spring automatic assembly device of the present invention;
FIG. 8 is a bottom view of the stock unit of the circlip automatic assembled device of the present invention;
FIG. 9 is a schematic view of an angle of a snap spring channel unit of the snap spring automatic assembly device of the present invention;
FIG. 10 is a front view of a snap spring channel unit of the snap spring automatic assembly device of the present invention;
FIG. 11 is a C-C cross-sectional view of FIG. 10 in accordance with the present invention;
FIG. 12 is a schematic view of the structure of an angle of the ram guide sleeve of the present invention;
FIG. 13 is an enlarged view of the invention at I of FIG. 11;
FIG. 14 is a schematic view of an angular configuration of the spring ramp of the snap spring automatic assembly device of the present invention;
FIG. 15 is a schematic view of another angular configuration of the spring ramp of the snap spring automatic assembly device of the present invention;
FIG. 16 is a schematic view of an angle of a fixed block of the snap spring automatic assembly device of the present invention;
FIG. 17 is a front view of the ram of the circlip automatic assembled device of the present invention;
FIG. 18 is a B-B cross-sectional view of FIG. 17 in accordance with the present invention;
FIG. 19 is a schematic view of an angle of a ram (excluding the ram body) of the snap spring automatic assembly device of the present invention;
FIG. 20 is a front view of a ram (excluding the ram body) of the snap spring automatic assembly device of the present invention;
FIG. 21 is a schematic view of an angle of the ram body of the snap spring automatic assembly device of the present invention;
FIG. 22 is a top view of the ram body of the circlip automatic assembled device of the present invention;
fig. 23 is a top view of a ram (excluding the ram body) of the snap spring automatic assembly device of the present invention.
In the figure:
1. a frame;
2. a stock unit; 21. clamping springs; 22. a charging barrel; 23. a detection assembly; 24. a cartridge slide block; 25. a cylinder fixing seat; 26. a cartridge floor;
3. a conveying unit; 31. a conveying channel; 32. conveying the thin plate; 33. a clamp spring conveying cylinder; 331. a conveying unit fixing plate; 34. a first conveying fixing plate; 35. a second conveying fixing plate; 36. the clamp spring conveying cylinder sliding plate; 37. a slide block; 38. a fourth conveying fixing plate; 39. a third conveying fixing plate;
4. a press-fitting unit; 41. the clamp spring is pressed and assembled with the air cylinder; 411. a displacement sensor; 42. a first fixing plate; 43. guiding the core bar; 431. a wear-resistant sleeve; 432. guide sleeve; 44. a second fixing plate; 46. a pressure head; 461. a ram body; 462. a ram end cap; 4611. a groove; 463. a pressure head sloping block; 4631. a first ram block; 46311. a second inclined surface; 46312. a curved surface; 4632. a second ram block; 464. a second elastic member; 47. a third fixing plate;
5. a clamp spring channel unit; 51. a pressure head guide sleeve; 511. a guide channel; 512. an inner bore; 513. a through hole; 514. a first step; 515. a second step; 5151. chamfering; 54. an elastic oblique block; 541. a first inclined surface; 542. an inclined plane; 55. a spring; 56. a fixed block;
6. an outer cylinder; 61. a first outer cylinder inner bore; 62. a second outer cylinder inner bore; 63. and a third outer cylinder inner hole.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 4, the embodiment provides an automatic clamp spring assembling device, which comprises a frame 1, a stock unit 2, a clamp spring assembly mechanism and a clamp spring assembly mechanism, wherein the stock unit 2 is arranged on the frame 1 and is used for stacking clamp springs 21; as shown in fig. 5 and 6, the conveying unit 3 includes a conveying passage 31 provided on the frame 1, a conveying sheet 32, and a clip spring conveying cylinder 33 that pushes the conveying sheet 32 to reciprocate in the conveying passage 31; the conveying channel 31 is positioned right below the stock unit 2, and the clamp spring 21 can fall into the conveying channel 31 from the stock unit 2 and is pushed by the conveying thin plate 32 to be separated from the conveying channel 31 to right above the clamp spring groove;
as shown in fig. 1 to 4, the press-fit unit 4 is arranged on the frame 1, and presses the clamp spring 21 positioned right above the clamp spring groove into the clamp spring groove; the control unit, the stock unit 2, the conveying unit 3 and the press fitting unit 4 are all electrically connected to the control unit. The jump ring automatic assembly device in this embodiment has solved the equipment or the device structure complicacy of assembly jump ring in the inward opening, and the difficult location of jump ring in the assembly process, problem that work efficiency is low.
Specifically, as shown in fig. 5, two first conveying fixing plates 34 are fixed on the frame 1 to form a part of a conveying channel 31, and only one clamping spring 21 can pass through the conveying channel 31 at a time; the first conveying fixing plate 34 is provided with a stepped structure, the clamping spring 21 falls from the stock unit 2 into a conveying channel 31 formed by the stepped structure, as shown in fig. 6, the stepped structure is used for supporting the clamping spring 21, and the clamping spring 21 slides along the conveying channel 31 under the action of the conveying thin plate 32 and is used for pushing the clamping spring 21 to the position right above the clamping spring groove. The clamping springs 21 in the conveying channel 31 are pushed to the upper part of the clamping spring grooves through the conveying thin plates 32, so that automatic feeding of the clamping springs 21 is realized.
As shown in fig. 5 and 6, the second conveying fixing plate 35, the clamp spring conveying cylinder sliding plate 36 and the clamp spring conveying cylinder 33 are fixedly connected in sequence below the conveying thin plate 32, a sliding groove (not shown in the drawings) is formed on the same side of the clamp spring conveying cylinder sliding plate 36 and the clamp spring conveying cylinder 33, a sliding block 37 is fixedly arranged on the clamp spring conveying cylinder 33, the extending end of the clamp spring conveying cylinder 33 is fixedly connected to the third conveying fixing plate 39, the third conveying fixing plate 39 is fixedly connected with the clamp spring conveying sliding plate 36 and is arranged below the conveying thin plate 32 and the second conveying fixing plate 35, the other end of the clamp spring conveying cylinder 33 is fixed to the fourth conveying fixing plate 38, the fourth conveying fixing plate 38 is fixed to the conveying unit fixing plate 331, and the conveying unit fixing plate 331 is fixed to the frame 1 and is located below the conveying unit 3. The clamp spring conveying cylinder 33 slides in the sliding groove through the sliding block 37, so that the clamp spring conveying cylinder sliding plate 36 drives the second conveying fixing plate 35 and the conveying thin plate 32 to slide back and forth relative to the frame 1.
The jump ring conveying cylinder 33 is located the below of jump ring conveying cylinder sliding plate 36, and the purpose of setting like this is the space-saving, makes overall structure compact, reduces jump ring automatic assembly device's volume.
As shown in fig. 5, a first displacement sensor (not shown) is provided on the fourth conveying fixed plate 38, the first displacement sensor is electrically connected to the control unit, the first displacement sensor is provided on the opposite side of the protruding end of the clamp spring conveying cylinder 33, when the clamp spring conveying cylinder sliding plate 36 moves in the direction away from the press-fitting unit 4, the first displacement sensor sends an electrical signal to the control unit when the distance between the end of the clamp spring conveying cylinder sliding plate 36 away from the protruding end of the clamp spring conveying cylinder 33 and the first displacement sensor reaches a predetermined distance, the control unit controls the protruding end of the clamp spring conveying cylinder 33 to stop retracting movement, so that the clamp spring conveying cylinder sliding plate 36 stops moving in the direction approaching the first displacement sensor, and further the conveying sheet 32 stops moving;
as shown in fig. 6, the stroke stopper 361 is disposed on the sliding plate 36 of the clamp spring conveying cylinder, the sensor fixing seat 362 is disposed on the frame 1, the second displacement sensor (not shown in the drawing) is disposed on the sensor fixing seat 362, and the second displacement sensor is electrically connected to the control unit, when the extending end of the clamp spring conveying cylinder 33 extends, the third conveying fixing plate 39, the sliding plate 36 of the clamp spring conveying cylinder, the second conveying fixing plate 35 and the conveying sheet 32 are pushed to move in the direction approaching the press-fitting unit 4, and the stroke stopper 361 is driven to move in the direction approaching the second displacement sensor, when the distance between the stroke stopper 361 and the second sensor reaches a predetermined distance, the second displacement sensor transmits a signal to the control unit, and the control unit controls the extending end of the clamp spring conveying cylinder 33 to stop extending, so that the sliding plate 36 of the clamp spring conveying cylinder is pushed to continue moving in the direction approaching the press-fitting unit 4, and the conveying sheet 32 is further stopped from moving.
Preferably, as shown in fig. 7 and 8, the stock unit 2 in this embodiment includes a cylinder 22, a clamp spring 21 is sleeved on the cylinder 22, the cylinder 22 is disposed on the frame 1, a detection assembly 23 is disposed on the outer side of the cylinder 22 near the bottom of the cylinder 22, and the detection assembly 23 is electrically connected to the control unit. Through once only add a plurality of jump ring 21 to feed cylinder 22 on, realized assembling the continuous operation of jump ring to jump ring inslot, improved work efficiency, and through the warning staff that detects subassembly 23 can be timely add jump ring 21, prevent to cause the assembly work to break or cause the jump ring neglected loading in the jump ring inslot because of jump ring 21 break.
Specifically, as shown in fig. 7, a chute 221 is disposed on the barrel 22, a barrel sliding block 24 capable of sliding up and down along the chute is disposed in the chute 221, an opening of the clamping spring 21 is disposed at the barrel sliding block 24 and sleeved on the barrel 22, the barrel sliding block 24 is connected with a barrel fixing seat 25, the barrel fixing seat 25 is fixed on a barrel bottom plate 26, the barrel bottom plate 26 is fixed on the frame 1, the barrel 22 is slidably connected with the barrel sliding block 24, a first groove in the vertical direction is disposed on the barrel 22, the barrel sliding block 24 is fixedly connected with the first groove in an adapting manner, a second groove in the vertical direction is disposed on the barrel fixing seat 25, and the opening of the clamping spring 21 is sleeved on the barrel 22 through the barrel sliding block 24 as shown in fig. 7.
As shown in fig. 7, a detecting unit 23 is provided near the bottom of the cartridge 22, and the detecting unit 23 includes a sensor holder 231 and a sensor 232 fixed to the sensor holder 231, and preferably, the sensor 232 is a photoelectric sensor. The sensor 232 is disposed near the bottom of the barrel 22 and electrically connected to the control unit, and when the residual amount of the clamp spring 22 on the barrel 22 reaches a predetermined value, the sensor 232 sends an electrical signal to the control unit to remind a worker to add the clamp spring 21 to the barrel 22 in time. As shown in fig. 8, the stock unit 2 is provided with another part of the conveying passage 31 through which the clamp spring 21 passes, and the groove and a part of the conveying passage 31 formed by the two first conveying fixing plates 34 of the conveying unit 3 in fig. 5 together form the conveying passage 31.
Preferably, as shown in fig. 9-13, the automatic clamping spring assembling device provided in this embodiment further includes a clamping spring channel unit 5, the clamping spring channel unit 5 includes a pressing head guide sleeve 51 connected to the press mounting unit 4, and a guide channel 511 communicating with the conveying channel 31 is provided on a side of the pressing head guide sleeve 51 contacting with the conveying channel 31.
As shown in fig. 11 and 12, the ram guide bush 51 is provided with an inner hole 512, the inner hole 512 being communicated with the guide passage 511, the inner hole 512 gradually becoming smaller in diameter from the guide passage 511 in a direction away from the press-fitting unit 4;
the clamping spring 21 in the guide channel 511 can be pushed into the inner hole 512 by the conveying thin plate 32, and is pushed by the press-fit unit 4, so that the clamping spring 21 passes through the inner hole 512 and enters the clamping spring groove.
As shown in fig. 1-4, an outer cylinder 6 is disposed right below the ram guide sleeve 51, the outer cylinder 6 is disposed on the frame 1, a clip spring groove is disposed in the outer cylinder 6, specifically, the outer cylinder 6 is sequentially provided with a first outer cylinder inner hole 61, a second outer cylinder inner hole 62, a third outer cylinder inner hole 63, and a clip spring groove on the third outer cylinder inner hole 63 along a direction away from the ram guide sleeve 51, where the diameters of the first outer cylinder inner hole 61, the second outer cylinder inner hole 62, and the third outer cylinder inner hole 63 are gradually reduced.
Further, as shown in fig. 12, four through holes 513 are circumferentially formed in the outer wall of the ram guide sleeve 51 near one end of the press-fitting unit 4, and the opening of the through hole 513 near one end of the inner hole 512 is smaller, specifically, as shown in fig. 12, the ram guide sleeve 51 comprises a square piece and a round piece, and each side edge of the square piece is provided with a through hole 513; as shown in fig. 13 to 16, the clip spring channel unit 5 further includes, in each through hole 513, an elastic inclined block 54, a spring 55 and a spring fixing block 56 which are connected in order along the radial direction of the ram guide bush 51;
as shown in fig. 13, 14 and 15, the elastic inclined block 54 is near the center of the ram guide bush 51, and one end near the press-fitting unit 4 is provided with a first inclined surface 541; the purpose of the first inclined surface 541 is to better receive the snap spring 21 falling into the snap spring channel unit 5 when the snap spring 21 falls into the snap spring channel unit 5 from within the conveying channel 31. Further, the end of the elastic inclined block 54 with the first inclined surface 541 is locked at the smaller end of the opening of the through hole 513, and the elastic inclined block 54 can extend and retract into the through hole 513. Preferably, an end of the elastic inclined block 54 remote from the fixed block 56 is provided with an inclined surface 542 connected to the first inclined surface 541, and the inclined surface 542 is gradually inclined toward the center of the ram guide housing 51 in the press-in direction of the press-in unit 4. As shown in fig. 9 and 16, one end of the spring fixing block 56 is fixed to the outer wall of the square of the ram guide housing 51, thereby fixing the spring 55 between the elastic inclined block 54 and the spring fixing block 56.
As shown in fig. 9-11, the outer wall of one end of the ram guide sleeve 51, which is far away from the press-fitting unit 4, is provided with a first step 514 and a second step 515, and the outer diameters of the first step 514 and the second step 515 are matched with the inner diameter of the outer cylinder 6.
When the clamp spring 21 falls on the first inclined surface 541, the ram guide sleeve 51 moves downwards to be in contact with the outer cylinder 6, the first step 514 and the second step 515 of the ram guide sleeve 51 extend into the outer cylinder 6, one end, close to the first step 514, of the second step 515 is provided with a chamfer 5151, the first step 514 enters the second outer cylinder inner hole 62, the chamfer 5151 enters the first outer cylinder inner hole 61, the height of the second step 515 is higher than that of the first outer cylinder inner hole 61, the chamfer 5151 is completely located in the first outer cylinder inner hole 61, the diameter of the first outer cylinder inner hole 61 is larger than that of the second step 515, the second outer cylinder inner hole 62 is matched with the diameter of the second step 515, and the center of the ram guide sleeve 51 is aligned with the center axis of the outer cylinder 6, so that positioning of the ram guide sleeve 51 and the outer cylinder 6 is completed.
Under the action of the press-fit assembly 4, the clamp spring 21 is pushed downwards along the inner hole 512, the diameter of the clamp spring 21 is gradually reduced in the process of pushing down the clamp spring 21, and simultaneously, the four elastic inclined blocks 54 are respectively extruded and compressed into the respective through holes 513, when the clamp spring 21 is pushed down to be in contact with the inner hole 512, the elastic inclined blocks 54 are popped up from the through holes 513 and extend into the inner hole 512 under the action of the springs 55, so that the clamp spring 21 falling from the guide channel 511 is supported again; after the clamp spring 21 contacts with the inner hole 512, the clamp spring 21 continues to move downwards along the inner wall of the inner hole 512 to the position with the minimum diameter of the inner hole 512, and the press-fit unit 4 continues to push the clamp spring 21 into the clamp spring groove of the outer cylinder 6 from the inner hole 512 of the press-head guide sleeve 51.
Further, as shown in fig. 1 to 4, the press-fitting unit 4 includes a clamp spring press-fitting cylinder 41, a first fixing plate 42, a guide core bar 43, a first elastic member, and a press head 46; the clamp spring press-fitting cylinder 41 is fixedly arranged on the frame 1; opposite sides of the first fixing plate 42 are respectively connected with the pressing head 46 and the extending end of the clamp spring press-fitting cylinder 41;
one end of the guide core bar 43 is fixedly connected with a second fixing plate 44, and the other end of the guide core bar 43 passes through the first fixing plate 42 and a third fixing plate 47; specifically, as shown in fig. 2 and fig. 4, the third fixing plate 47 is fixed on the frame 1, the clamp spring press-fitting cylinder 41 is fixed on the third fixing plate 47, the extending end of the clamp spring press-fitting cylinder 41 is fixedly connected to the first fixing plate 42, one side of the second fixing plate 44 is fixedly connected to one end of the guide core rod 43, the guide core rod 43 is provided with a wear-resistant sleeve 431, a guide sleeve 432 fixed on the frame 1, and the wear-resistant sleeve 431 slides up and down along the guide sleeve 432;
the first elastic member (not shown) is disposed between the first fixing plate 42 and the second fixing plate 44, and sleeved on the guide core rod 43; specifically, the first elastic member may be a spring or a rubber block, and preferably, the first elastic member is a spring.
As shown in fig. 1-4 and 17-18, one end of the pressing head 46 is disposed on the first fixing plate 42 and located on the same side of the first fixing plate 42 as the first elastic member, and the pressing head 46 can press the clamping spring 21 in the inner hole 512 into the clamping spring groove.
Preferably, as shown in fig. 19 and 20, the ram 46 includes a ram body 461, a ram end cap 462, a ram ramp 463, a second resilient member 464; one end of the ram body 461 is connected to the first fixing plate 42, as shown in fig. 21, the other end of the ram body 461 is provided with a groove 4611, and the groove 4611 penetrates through the outer wall of the ram body 461; the center of the ram body 461 is provided with a hole communicating with the groove 4611 in order to reduce the weight of the ram body 461.
As shown in fig. 17 and 18, one end of the ram end cap 462 is inserted into the groove 4611 and attached to the ram body 461, and the maximum diameter of the ram end cap 462 is smaller than the inner diameter of the snap spring 21 located at the position where the diameter of the inner hole 512 is the smallest; the purpose is to enable the snap spring 21 to pass through the ram end cap 462 into the snap spring slot of the outer cylinder 6; as shown in fig. 21 and 22, six threaded holes are formed in the ram body 461, as shown in fig. 23, six countersunk holes are formed in the ram end cover 462, and the ram end cover 462 is fixedly connected with the ram body 461 through socket head cap screws.
As shown in fig. 1-4, 19 and 20, the second elastic member 464 is disposed in the recess 4611, and both ends are respectively connected to one ends of the ram end cap 462 and the ram oblique block 463;
the pressure head oblique block 463 is arranged in the groove 4611, and the other end of the pressure head oblique block 463 can extend or retract to the outer wall of the pressure head body 461 and can pass through the inner hole 512; specifically, as shown in fig. 21, the opening of the groove 4611 at the outer wall of the ram body 461 becomes smaller, and after the ram block 463 contacts the clamp spring 21, the ram block 463 is radially contracted toward the center of the ram end cap 462 by the extrusion of the inner hole 512, and can pass through the inner hole 512.
Preferably, as shown in fig. 19 and 20, the ram oblique block 463 includes a first ram block 463 and a second ram block 463, one end of the first ram block 463 is connected to the second ram block 463, an end of the second ram block 463 adjacent to the second elastic member 464 is in a circular arc shape concentric with the ram end cap 462, and the first ram block 463 can extend or retract the ram body 461 along the groove 4611; the second ram block 4632 reciprocates along the groove 4611 in a radial direction toward or away from the center of the ram end cap 462 and cannot protrude outside the ram body 461.
Preferably, as shown in fig. 19 and 20, the outer side surface of the first ram block 4631 farthest from the center of the ram end cap 462 includes a second inclined surface 46311 and a curved surface 46312, and the second inclined surface 46311 is disposed near one end of the ram body 461 and is connected to the curved surface 46312; the second inclined surface 46311 is inclined towards the center away from the ram end cover 462 along the direction close to the ram guide sleeve 51, preferably, after the ram inclined block 463 enters the inner hole 512, the outer contour of the curved surface 46312 is attached to the wall surface of the inner hole 512, so that the downward pressure applied to the clamp spring 21 can be uniform and the movement is stable when the clamp spring 21 is pushed into the clamp spring groove.
Further, as shown in fig. 1-3, the jump ring press-fitting cylinder 41 is a travel readable cylinder, the jump ring press-fitting cylinder 41 is provided with a displacement sensor 411, and the displacement sensor 411 is electrically connected to the control unit. Specifically, the pressing position of the current cylinder is recorded, so that whether the clamp spring 21 is correctly pressed into the clamp spring groove or not is judged through the control unit.
The clamp spring press fitting 41 drives the press head 46 and the clamp spring guide unit 5 to move downwards together, after the press head guide sleeve 51 is positioned in contact with the outer cylinder 6, the press head guide sleeve 51 stops moving, and as a first elastic piece (not shown in the figure) is arranged between the first fixing plate 42 and the second fixing plate 44, the clamp spring press fitting cylinder 41 drives the press head 46 to move downwards relative to the second fixing plate 44 and the press head guide sleeve 51 continuously, and the clamp spring 21 is pushed to pass through the inner hole 513 by the press head oblique block 463, so that the clamp spring 21 is pushed to enter the inner hole 63 of the third outer cylinder, and then the clamp spring is pushed to the clamp spring groove.
The working process of the jump ring automatic assembly device in this embodiment is as follows:
1. initial state: the clamp spring conveying cylinder 33 and the clamp spring press-fitting cylinder 41 are in a retracted state, and the outer cylinder 6 is accurately positioned below the pressure head guide sleeve 51
2. The clamp spring conveying cylinder 33 stretches out of the conveying thin plate 32 to push one clamp spring 21 falling into the conveying channel 31 to the elastic inclined block 54;
3. the clamp spring conveying cylinder 33 drives the conveying thin plate 32 to retract;
4. the clamp spring press-fitting cylinder 41 is pressed down, and at this time, the clamp spring press-fitting cylinder 41 drives the first fixing plate 42, the press head guide sleeve 51, and the press head 46 to be pressed down together along the guide core rod 43. When the ram guide sleeve 51 contacts the outer cylinder 6, the ram guide sleeve 51 stops pressing down, and the ram 46 center is aligned with the outer cylinder 6 center by the first step 514 mating with the second outer cylinder bore 62 and the second step 515 mating with the first outer cylinder bore 61, and the chamfer 5151 being located within the first outer cylinder bore 61.
5. The ram 46 continues to press down in the inner bore 512 of the ram guide sleeve 51 under the action of the spring on the guide core bar 43, pushing the clamp spring 21 downwardly through the inner bore 512 of the ram guide sleeve 51 into the third outer cylinder bore 63 as the ram 46 contacts the clamp spring 21.
6. The ram 46 continues to descend under the action of the clamp spring press-fitting cylinder 41 until the clamp spring 21 is pressed into the clamp spring groove of the outer cylinder 6.
7. After the clamping spring 21 is pressed down in place, the stroke readable cylinder can record the pressing down position of the current stroke readable cylinder and is used for judging whether the clamping spring 21 is correctly pressed into the clamping spring groove of the outer cylinder 6.
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 (7)
1. The utility model provides a jump ring automatic assembly device, includes frame (1), its characterized in that still includes:
the material storage unit (2) is arranged on the frame (1) and is used for stacking the clamp springs (21);
the conveying unit (3) comprises a conveying channel (31) arranged on the frame (1), a conveying thin plate (32) and a clamp spring conveying cylinder (33) for pushing the conveying thin plate (32) to reciprocate in the conveying channel (31);
the conveying channel (31) is positioned right below the stock unit (2), and the clamp spring (21) can fall into the conveying channel (31) from the stock unit (2) and is pushed by the conveying thin plate (32) to be separated from the conveying channel (31) to right above the clamp spring groove;
the press-fit unit (4) is arranged on the frame (1) and presses the clamp spring (21) positioned right above the clamp spring groove into the clamp spring groove;
the material storage unit (2), the conveying unit (3) and the press mounting unit (4) are electrically connected to the control unit;
the jump ring automatic assembly device still includes jump ring passageway unit (5), jump ring passageway unit (5) include:
the pressure head guide sleeve (51) is connected to the press fitting unit (4), and a guide channel (511) communicated with the conveying channel (31) is arranged on one side, contacted with the conveying channel (31), of the pressure head guide sleeve (51);
the pressure head guide sleeve (51) is provided with an inner hole (512), the inner hole (512) is communicated with the guide channel (511), and the diameter of the inner hole (512) is gradually reduced along the direction away from the press-fit unit (4);
the clamping spring (21) in the guide channel (511) can be pushed into the inner hole (512) by the conveying thin plate (32), and is pushed by the press-fit unit (4) to enable the clamping spring (21) to penetrate through the inner hole (512) and enter the clamping spring groove;
at least two through holes (513) are circumferentially formed in the outer wall, close to one end of the press fitting unit (4), of the press head guide sleeve (51), and each through hole (513) is further provided with an elastic inclined block (54), a spring (55) and a spring fixing block (56) which are connected in sequence along the radial direction of the press head guide sleeve (51) and away from the center of the press head guide sleeve (51);
the elastic inclined block (54) is close to the center of the pressure head guide sleeve (51), a first inclined surface (541) is arranged at one end, close to the press-fit unit (4), of the elastic inclined block (54), and the elastic inclined block (54) can extend out of and retract into the through hole (513);
one end of the spring fixing block (56) is fixed on the pressure head guide sleeve (51);
the storage unit (2) comprises a charging barrel (22), the clamping spring (21) is sleeved on the charging barrel (22), the charging barrel (22) is arranged on the frame (1), a detection component (23) is arranged on the outer side of the charging barrel (22) close to the bottom of the charging barrel (22), and the detection component (23) is electrically connected to the control unit.
2. The automatic clamp spring assembling device according to claim 1, wherein an inclined surface (542) connected with the first inclined surface (541) is provided at one end of the elastic inclined block (54) away from the fixed block (56), and the inclined surface (542) is gradually inclined toward the center of the ram guide sleeve (51) along the press-in direction of the press-in unit (4).
3. The automatic clamp spring assembling device according to claim 1, wherein an outer cylinder (6) is arranged right below the pressure head guide sleeve (51), the outer cylinder (6) is arranged on the frame (1), and the clamp spring groove is arranged in the outer cylinder (6);
the pressure head uide bushing (51) keep away from the one end outer wall of pressure equipment unit (4) is provided with first ladder (514) and second ladder (515), first ladder (514) with the external diameter of second ladder (515) all with the internal diameter looks adaptation of outer jar (6).
4. The snap spring automatic assembly device according to claim 1, wherein the press-fitting unit (4) comprises a snap spring press-fitting cylinder (41), a first fixing plate (42), a guide core bar (43), a first elastic member and a press head (46);
the clamp spring press-fitting cylinder (41) is fixedly arranged on the frame (1);
opposite sides of the first fixing plate (42) are respectively connected with the pressing head (46) and the extending end of the clamp spring press-fitting cylinder (41);
one end of the guide core bar (43) is fixedly connected with a second fixing plate (44), and the other end of the guide core bar (43) penetrates through the first fixing plate (42) and the rack (1);
the first elastic piece is arranged between the first fixed plate (42) and the second fixed plate (44) and sleeved on the guide core rod (43);
one end of the pressure head (46) is arranged on the first fixing plate (42) and is located on the same side of the first fixing plate (42) with the first elastic piece, and the pressure head (46) presses the clamp spring (21) in the inner hole (512) into the clamp spring groove.
5. The snap spring automatic assembly device according to claim 4, wherein the ram (46) comprises a ram body (461), a ram end cap (462), a ram ramp (463), a second elastic member (464);
one end of the pressure head body (461) is connected to the first fixing plate (42), a groove (4611) is formed in the other end of the pressure head body (461), and the groove (4611) penetrates through the outer wall of the pressure head body (461);
one end of the pressure head end cover (462) is inserted into the groove (4611) and connected with the pressure head body (461), and the maximum diameter of the pressure head end cover (462) is smaller than the inner diameter of the clamping spring (21) positioned at the position with the minimum diameter of the inner hole (512);
the second elastic piece (464) is arranged in the groove (4611), and two ends of the second elastic piece are respectively connected with one ends of the pressure head end cover (462) and the pressure head inclined block (463);
the pressure head inclined block (463) is arranged in the groove (4611), and the other end of the pressure head inclined block (463) can extend out of or retract into the outer wall of the pressure head body (461) and can penetrate through the inner hole (512).
6. The snap spring automatic assembly device according to claim 5, wherein the ram oblique block (463) comprises a first ram block (463) and a second ram block (463), one end of the first ram block (463) is connected to the second ram block (463), one end of the second ram block (463) close to the second elastic member (464) is in a circular arc shape concentric with the ram end cover (462), and the first ram block (463) can extend or retract the ram body (461) along the groove (4611); the second ram block (4632) reciprocates along the groove (4611) and in a radial direction toward or away from the center of the ram end cap (462), and cannot protrude to the outside of the ram body (461).
7. The automatic clamp spring assembling device according to claim 4, wherein the clamp spring press-fitting cylinder (41) is a stroke readable cylinder, and the clamp spring press-fitting cylinder (41) is provided with a sensor, and the sensor is electrically connected to the control unit.
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| CN201710858855.1A CN107457561B (en) | 2017-09-21 | 2017-09-21 | Automatic clamping spring assembly device |
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| CN201710858855.1A CN107457561B (en) | 2017-09-21 | 2017-09-21 | Automatic clamping spring assembly device |
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| CN107457561A CN107457561A (en) | 2017-12-12 |
| CN107457561B true CN107457561B (en) | 2023-09-12 |
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| CN201710858855.1A Active CN107457561B (en) | 2017-09-21 | 2017-09-21 | Automatic clamping spring assembly device |
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Effective date of registration: 20230921 Address after: No. N3026, 3rd Floor, R&D Building, Building N, Artificial Intelligence Technology Park, Wuhan Economic and Technological Development Zone, Wuhan, Hubei Province, 430056 Patentee after: Wuhan Jingzhi Intelligent Manufacturing Co.,Ltd. Address before: 200433 Room 502, building 11, Chuangzhi Tiandi phase III, 303 Songhu Road, Yangpu District, Shanghai Patentee before: WUHAN LIANHANG ELECTRICAL AND MECHANICAL Co.,Ltd. |