CN112247558A - A lock nut material loading screws up device for piston assembly production - Google Patents
A lock nut material loading screws up device for piston assembly production Download PDFInfo
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- CN112247558A CN112247558A CN202011084680.1A CN202011084680A CN112247558A CN 112247558 A CN112247558 A CN 112247558A CN 202011084680 A CN202011084680 A CN 202011084680A CN 112247558 A CN112247558 A CN 112247558A
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- locking nut
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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
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
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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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- 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
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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
- B23P19/04—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 assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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Abstract
The invention relates to the field of production and assembly of hydraulic buffers. A locking nut feeding and screwing device for piston assembly production comprises a locking nut feeding mechanism; the locking nut feeding mechanism comprises a locking nut tray, a locking nut feeding rail, a locking nut vibrator, a locking nut positioning block, a positioning block mounting seat and a positioning block lifting cylinder; the discharge end of locking nut charging tray is connected with the orbital feed end of locking nut material loading, and the orbital lower part installation locking nut vibrator of locking nut material loading, the orbital discharge end of locking nut material loading links up the locking nut locating piece, is equipped with the locking nut constant head tank on the locking nut locating piece, and the one end that the locking nut constant head tank is close to the locking nut material loading track is equipped with the guide part, and the orbital one end of locking nut material loading is kept away from to the locking nut constant head tank is equipped with the closed angle. This patent is fixed a position lock nut through the closed angle, makes every nut unanimous at the form of placing of lock nut locating piece, the electric screwdriver's of being convenient for absorption.
Description
Technical Field
The invention relates to the field of production and assembly of hydraulic buffers, in particular to a locking nut feeding and screwing device for piston assembly production and hydraulic buffer piston assembly assembling equipment.
Background
The hydraulic buffer (shock absorber) buffers and decelerates the object acting on the hydraulic buffer to stop by means of hydraulic damping, and plays a certain protection role. The safety buffer device is suitable for mechanical equipment such as hoisting transportation, elevators, metallurgy, harbor machinery, railway vehicles and the like, and is used for preventing the mechanism from being damaged due to hard collision in the working process. The piston assembly is an important part of the motion executing component of the hydraulic buffer. The piston assembly comprises a connecting piece, a mandrel, a first baffle ring, a piston, a guide sleeve assembly, a second baffle ring, a limiting nut, a recovery valve and a locking nut; the right-hand member and the connecting piece threaded connection of dabber, the dabber includes first shaft segment and second shaft section, and the diameter of first shaft segment is greater than the second shaft section, and the junction of first shaft segment and second shaft section is equipped with the screw thread, and the left end of second shaft section is equipped with the screw thread, and first fender ring, piston, uide bushing subassembly and second fender ring overlap in proper order and establish on first shaft segment, and stop nut, rebound valve and lock nut are fixed the setting in proper order on the second shaft section.
In the existing piston assembly assembling equipment, for example, an automatic assembling equipment of a piston assembly disclosed in chinese patent publication No. CN109500599A, a turntable is provided on the upper surface of a table; a plurality of piston mounting jigs are fixed on the upper surface of the rotary table; the piston mounting jigs are circumferentially distributed on the turntable; the workbench is provided with a press riveting device, a material taking manipulator, a rivet jig and a directional feeding mechanism group; the workbench is provided with a press riveting device, a material taking manipulator, a rivet jig and a directional feeding mechanism group which are sequentially arranged along the circumferential direction of the turntable; the directional feeding mechanism group consists of a plurality of directional feeding mechanisms which are arranged along the circumferential direction of the rotating disc. The equipment realizes the automatic assembly of the piston assembly, greatly improves the assembly efficiency, reduces the labor intensity of the assembly and ensures that the assembly quality is more stable.
However, the above-described piston assembly assembling apparatus has the following problems:
1. when the locking nuts are used for feeding, although all the nuts are horizontally placed, included angles exist between the nuts when the nuts are fed, so that accurate suction can not be carried out on each nut, and the feeding efficiency is reduced.
2. The connecting piece positioning accuracy is poor, so that subsequent repeated assembly is needed when other parts are assembled, and the production efficiency is reduced.
3. When the connecting piece is screwed up with the dabber, the dabber can't be fixed to the accuracy to and rotary mechanism can't combine with the tool fast, lead to screwing up inefficiency.
Disclosure of Invention
In order to solve the problems of the existing piston assembly assembling equipment, the invention aims to provide a locking nut feeding and screwing device for piston assembly production, which is used for conveniently sucking an electric screwdriver and enabling the arrangement form of each nut on a locking nut positioning block to be consistent by arranging a guide part which is convenient for the locking nut to enter on a locking nut positioning groove and positioning the locking nut through a sharp corner when the locking nut is fed.
For the purpose of the invention, the following technical scheme is adopted: a locking nut feeding and screwing device for piston assembly production comprises a locking nut feeding mechanism and a locking nut feeding and screwing mechanism; the locking nut feeding mechanism comprises a locking nut tray, a locking nut feeding rail, a locking nut vibrator, a locking nut positioning block, a positioning block mounting seat and a positioning block lifting cylinder; the discharge end of the locking nut tray is connected with the feed end of the locking nut feeding track, the lower part of the locking nut feeding track is provided with a locking nut vibrator, the discharge end of the locking nut feeding track is connected with a locking nut positioning block, the locking nut positioning block is provided with a locking nut positioning groove, one end, close to the locking nut feeding track, of the locking nut positioning groove is provided with a guide part, one end, far away from the locking nut feeding track, of the locking nut positioning groove is provided with a sharp corner, the lower part of the locking nut positioning block is fixedly arranged on the positioning block mounting seat, the lower part of the positioning block mounting seat is fixedly arranged at the output end of the positioning block lifting cylinder, and the; the locking nut feeding and tightening mechanism comprises a transfer assembly and a locking nut tightening assembly; the locking nut screwing assembly is installed on the transfer assembly, the transfer assembly is used for moving the locking nut screwing assembly, and the locking nut screwing assembly is used for sucking the locking nut and screwing the locking nut on the mandrel.
Preferably, the locking nut tightening assembly comprises a vertical plate, a locking nut lifting cylinder, a pull rod, a locking nut lifting sliding plate, a locking nut lifting sliding rail and an electric screwdriver; the riser is installed on moving and carrying the subassembly, lock nut lift cylinder is vertical to be installed on the riser, the pull rod is connected to the output of lock nut lift cylinder, the lower extreme of pull rod is connected on lock nut lift slide, lock nut lift slide is T shape, the rear portion slidable mounting of lock nut lift slide is on lock nut lift slide, the vertical fixed mounting of lock nut lift slide is on the riser, the vertical installation electric screwdriver on the lock nut lift slide, electric screwdriver sucks up lock nut and screws up it to the dabber.
The hydraulic buffer piston assembly assembling equipment comprises a turntable assembling device, a mandrel tightening device and a locking nut feeding and tightening device; a mandrel tightening station and a locknut feeding tightening station are arranged on the turntable assembly device; the position of the mandrel tightening device is matched with the mandrel tightening station; the position of the locking nut feeding and screwing device is matched with the locking nut feeding and screwing station; the mandrel tightening device is used for vertically tightening the mandrel on the connecting piece; the locking nut feeding and screwing device is used for feeding the locking nut onto the mandrel and screwing the locking nut so that the recovery valve is fixed between the limiting nut and the locking nut; the locking nut feeding and screwing device for piston assembly production adopts the locking nut feeding and screwing device for piston assembly production; the turntable assembling device comprises an assembling frame mechanism and a jig mechanism; a jig mechanism for vertically fixing the connecting piece is slidably installed on the assembling frame mechanism, and the jig mechanism continuously and circularly circulates on the assembling frame mechanism; the jig mechanism comprises a jig bottom plate, a shaft sleeve, a rotating shaft and a jig; a shaft sleeve is fixedly arranged at the center of the jig base plate, a rotating shaft is rotatably arranged in the shaft sleeve, a screwing groove used for positioning during screwing is formed in the bottom of the rotating shaft, and a jig is fixedly arranged at the top of the rotating shaft; the jig is provided with a positioning groove for positioning the connecting piece, the upper part of the positioning groove is a first positioning part, the first positioning part is a straight groove on a vertical plane, the first positioning part is in an arc shape on a horizontal plane, and the first positioning part is used for positioning the upper part of the connecting piece; the lower part of the positioning groove is a second positioning part, the second positioning part is in a circular arc shape on a vertical plane, and the second positioning part is a straight groove on a horizontal plane.
Preferably, the rear part of the second positioning part is provided with a material pushing hole for pushing the connecting piece out of the positioning groove.
Preferably, the assembly frame mechanism comprises a section bar support frame, a chain wheel, a chain and an annular track; chain wheels are fixedly arranged at two ends of the section bar supporting frame and are connected through chains; the annular track is positioned on the outer side of the chain; the rear part of the jig bottom plate is provided with a fixed block which is fixedly connected to the chain; the front part of the jig bottom plate is provided with a roller which is pressed on the annular track.
Preferably, the mandrel tightening device comprises a tightening bracket, a tightening power mechanism and a tightening clamping mechanism; the tightening power mechanism is arranged at the lower part of the tightening bracket in a sliding manner, and the tightening clamping mechanism is arranged at the upper part of the tightening bracket; the tightening power mechanism is used for rotating the connecting piece, and the tightening clamping mechanism is used for clamping the upper part of the mandrel when the connecting piece rotates; the tightening and clamping mechanism comprises a fixed clamping jaw, a movable clamping jaw, a tightening and clamping cylinder, a clamping pull rod, a clamping lifting plate and a clamping lifting cylinder; the end part of the fixed clamping jaw is hinged with the end part of the movable clamping jaw, a semicircular first clamping groove is formed in the clamping end of the fixed clamping jaw, a second clamping groove matched with the first clamping groove is formed in the clamping end of the movable clamping jaw, and a connecting groove is formed in the middle of the movable clamping jaw; a tightening clamping cylinder is transversely and fixedly installed in the middle of the fixed clamping jaw, the output end of the tightening clamping cylinder is connected with a clamping pull rod, the middle of the clamping pull rod is arranged in a connecting groove of the movable clamping jaw in a penetrating mode, and the end portion of the clamping pull rod is buckled on the side face of the movable clamping jaw; the upper end face of the fixed clamping jaw is fixedly provided with a clamping lifting plate, the clamping lifting plate is sleeved on the upper portion of the tightening support, the upper portion of the clamping lifting plate is connected to the output end of a clamping lifting cylinder, and the clamping lifting cylinder is vertically and fixedly installed at the top of the tightening support.
Preferably, the tightening power mechanism comprises a tightening motor, a speed reducer, a tightening rotating shaft, a rotating shaft limiting plate, a tightening lifting plate, an adapter plate and a tightening lifting cylinder; the output end of the tightening motor is connected with the speed reducer, the speed reducer is fixedly installed on the tightening lifting plate, the output end of the speed reducer is vertically connected with the tightening rotating shaft, the top end of the tightening rotating shaft is provided with a tightening lug, and the tightening lug is matched with the tightening groove; screw up the lifter plate slidable mounting and screw up support lower part, screw up the one end of lifter plate and be connected with the keysets, the keysets links to each other with the output of screwing up lift cylinder, screws up the vertical fixed mounting of lift cylinder and screws up support lower part.
Preferably, the middle part of the tightening rotating shaft penetrates through the rotating shaft limiting plate, and the rotating shaft limiting plate is fixedly installed on the tightening lifting plate.
In conclusion, the technical effects of the invention are as follows:
1. when the anti-loosening nut is fed, the guide part which is convenient for the locking nut to enter is arranged on the locking nut positioning groove, and the locking nut is positioned through the sharp corner, so that the placing form of each nut on the locking nut positioning block is consistent, and the electric screwdriver can be conveniently sucked; the arrangement mode of the locking nut positioning block and the positioning block lifting cylinder is favorable for ensuring that the side surface of the locking nut positioning block blocks a locking nut feeding track when the locking nut positioning block moves upwards, so that the locking nut can be conveniently fed.
2. When the connecting piece is positioned, the positioning groove on the jig can effectively complete the fixation of the connecting piece, the shape of the second positioning part at the lower part of the positioning groove is matched with that of the lower part of the connecting piece, the straight groove at the innermost side of the second positioning part can be attached to the connecting piece only by pushing the connecting piece to the innermost end of the second positioning part, the positioning effect is improved, the arc at the lower part of the connecting piece is matched with the arc at the lower part of the second positioning part, and the lower part of the connecting piece is further positioned; the upper portion of connecting piece is supplementary spacing through first location portion, guarantees the holistic positioning accuracy of connecting piece.
3. When dabber and connecting piece are screwed up, earlier through fixed clamping jaw and dabber laminating, preliminary location dabber, rethread movable clamping jaw clip the dabber, make the dabber fixed completely, guarantee the location effect of dabber, screw up the pivot top in the lower part of tool mechanism, through screwing up the lug and screwing up the groove cooperation, power unit and tool mechanism location will be screwed up to the speed, improve and screw up efficiency.
Drawings
FIG. 1 is a schematic structural view of an assembling apparatus for a piston assembly of a hydraulic shock absorber according to the present invention.
Fig. 2 is a schematic structural view of the piston assembly.
Fig. 3 is a schematic structural diagram of the turntable assembly apparatus.
Fig. 4 is an exploded view of the jig mechanism.
Fig. 5 is a front view of the jig mechanism.
Fig. 6 is a cross-sectional view taken at a-a in fig. 5.
Fig. 7 is an exploded view of the mandrel tightening device.
Fig. 8 is a schematic structural view of the tightening clamp mechanism.
Fig. 9 is a schematic structural diagram of a locking nut feeding device.
Fig. 10 is a partial enlarged view of fig. 9 at B.
Detailed Description
As shown in fig. 1, a hydraulic buffer piston assembly assembling apparatus includes a turntable assembling device 1, a mandrel tightening device 2, and a lock nut feeding tightening device 9. And a mandrel screwing station and a locking nut feeding and screwing station are arranged on the turntable assembling device 1. The position of the mandrel tightening device 2 is matched with the mandrel tightening station. The position of the locking nut feeding and screwing device 9 is matched with the locking nut feeding and screwing station. The mandrel tightening device 2 is used for vertically tightening the mandrel on the connecting piece. The locking nut feeding and screwing device 9 is used for feeding the locking nut onto the mandrel and screwing the locking nut, so that the recovery valve is fixed between the limiting nut and the locking nut. The locking nut feeding and screwing device 9 is a locking nut feeding and screwing device for piston assembly production.
As shown in fig. 2, the piston assembly 10 includes a connecting member 101, a mandrel 102, a first retainer 103, a piston 104, a guide sleeve assembly 105, a second retainer 106, a limit nut 107, a reset valve 108, and a lock nut 109; the right end of the connecting piece 101 is arc-shaped and is provided with a through hole, the right end of the mandrel 102 is in threaded connection with the connecting piece 101, the mandrel 102 comprises a first shaft section 1021 and a second shaft section 1022, the diameter of the first shaft section 1021 is larger than that of the second shaft section 1022, a thread is arranged at the joint of the first shaft section 1021 and the second shaft section 1022, a thread is arranged at the left end of the second shaft section 1022, the first baffle ring 103, the piston 104, the guide sleeve assembly 105 and the second baffle ring 106 are sequentially sleeved on the first shaft section 1021, and the limit nut 107, the recovery valve 108 and the locking nut 109 are sequentially and fixedly arranged on the second shaft section 1022. The connecting member 101 and the mandrel 102 are pre-tightened manually before being tightened, the pre-tightened connecting member is placed in the turntable assembly device 1 for positioning, and then the connecting member 101 and the mandrel 102 are tightened by the mandrel tightening device 2 by using a fixed torque force.
As shown in fig. 3, the turntable assembling device 1 includes an assembling frame mechanism 11 and a jig mechanism 12. Jig mechanisms 12 for fixing the connecting pieces vertically are slidably mounted on the assembling frame mechanisms 11, and the jig mechanisms 12 circulate on the assembling frame mechanisms 11 continuously and annularly. The mounting bracket mechanism 11 includes a profile support bracket 111, a sprocket 112, a chain 113, and an endless track 114. Both ends of the section bar support frame 111 are fixedly provided with chain wheels 112, and the chain wheels 112 are connected through chains 113. The endless track 114 is located outside the chain 113. The rear part of the jig base plate 121 is provided with a fixing block 1212, and the fixing block 1212 is fixedly connected to the chain 113. The front part of the jig base plate 121 is provided with a roller 1211, and the roller 1211 presses on the annular rail 114.
As shown in fig. 4, 5 and 6, the jig mechanism 12 includes a jig base plate 121, a shaft sleeve 122, a rotation shaft 123 and a jig 124. The center of the jig base plate 121 is fixedly provided with a shaft sleeve 122, the shaft sleeve 122 is rotatably provided with a rotating shaft 123, the bottom of the rotating shaft 123 is provided with a tightening groove 1231 for positioning during tightening, and the top of the rotating shaft 123 is fixedly provided with a jig 124. The jig 124 is provided with a positioning groove 1241 for positioning the connector, the upper portion of the positioning groove 1241 is a first positioning portion 12411, on the vertical plane, the first positioning portion 12411 is a straight groove, on the horizontal plane, the first positioning portion 12411 is arc-shaped, and the first positioning portion 12411 is used for positioning the upper portion of the connector. The lower part of the positioning groove 1241 is a second positioning portion 12412, the second positioning portion 12412 is arc-shaped on a vertical plane, and the second positioning portion 12412 is a straight groove on a horizontal plane. The rear portion of the second positioning portion 12412 is provided with a material pushing hole 12413 for pushing the connector out of the positioning slot 1241.
The jig mechanism 12 solves the problems that the positioning accuracy of the connecting piece is poor, so that the connecting piece needs to be assembled repeatedly in the subsequent process of assembling other parts, and the production efficiency is reduced, the jig mechanism 12 has the advantages that the positioning groove 1241 on the jig 124 can effectively complete the fixation of the connecting piece, the shape of the second positioning part 12412 at the lower part of the positioning groove 1241 is matched with the lower part of the connecting piece, the connecting piece is pushed to the innermost end of the second positioning part 12412, the straight groove at the innermost side of the second positioning part 12412 can be attached to the connecting piece, the positioning effect is improved, the arc at the lower part of the connecting piece is matched with the arc at the lower part of the second positioning part 12412; the upper part of the connecting piece is assisted to limit through the first positioning part 12411, so that the overall positioning precision of the connecting piece is ensured.
As shown in fig. 7, the mandrel tightening device 2 includes a tightening bracket 21, a tightening power mechanism 22, and a tightening clamp mechanism 23. The tightening power mechanism 22 is slidably mounted on a lower portion of the tightening bracket 21, and the tightening clamp mechanism 23 is mounted on an upper portion of the tightening bracket 21. A tightening power mechanism 22 is used to rotate the coupling and a tightening clamp mechanism 23 is used to clamp the upper part of the mandrel as the coupling rotates. The tightening power mechanism 22 includes a tightening motor 221, a reducer 222, a tightening spindle 223, a spindle stopper plate 224, a tightening elevating plate 225, an adapter plate 226, and a tightening elevating cylinder 227. The output end of the tightening motor 221 is connected with the speed reducer 222, the speed reducer 222 is fixedly installed on the tightening lifting plate 225, the output end of the speed reducer 222 is vertically connected with the tightening rotating shaft 223, the top end of the tightening rotating shaft 223 is provided with a tightening bump 2231, and the tightening bump 2231 is matched with the tightening groove 1231. The middle part of the tightening rotating shaft 223 penetrates through the rotating shaft limiting plate 224, and the rotating shaft limiting plate 224 is fixedly installed on the tightening lifting plate 225. The tightening lifting plate 225 is slidably mounted at the lower part of the tightening support 21, one end of the tightening lifting plate 225 is connected with an adapter plate 226, the adapter plate 226 is connected with the output end of a tightening lifting cylinder 227, and the tightening lifting cylinder 227 is vertically and fixedly mounted at the lower part of the tightening support 21.
When the tightening power mechanism 22 is operated, the tightening lifting cylinder 227 drives the adapter plate 226 to move up and down, so that the tightening rotating shaft 223 on the tightening lifting plate 225 is pressed against the lower part of the jig mechanism 12, the tightening protrusion 2231 is matched with the tightening groove 1231, then the tightening motor 221 is operated to rotate the tightening rotating shaft 223, and the tightening rotating shaft 223 drives the jig 124 and the connecting piece thereon to rotate.
As shown in fig. 7 and 8, the tightening clamp mechanism 23 includes a fixed clamp jaw 231, a movable clamp jaw 232, a tightening clamp cylinder 233, a clamp pull rod 234, a clamp lift plate 235, and a clamp lift cylinder 236. The end of the fixed clamping jaw 231 is hinged to the end of the movable clamping jaw 232, a semicircular first clamping groove 2311 is formed in the clamping end of the fixed clamping jaw 231, a second clamping groove 2321 matched with the first clamping groove 2311 is formed in the clamping end of the movable clamping jaw 232, and a connecting groove 2322 is formed in the middle of the movable clamping jaw 232. The middle part of the fixed clamping jaw 231 is transversely and fixedly provided with a tightening clamping cylinder 233, the output end of the tightening clamping cylinder 233 is connected with a clamping pull rod 234, the middle part of the clamping pull rod 234 penetrates through the connecting groove 2322 of the movable clamping jaw 232, and the end part of the clamping pull rod 234 is buckled on the side surface of the movable clamping jaw 232. The upper end face of the fixed clamping jaw 231 is fixedly provided with a clamping lifting plate 235, the clamping lifting plate 235 is sleeved on the upper portion of the tightening support 21, the upper portion of the clamping lifting plate 235 is connected to the output end of a clamping lifting cylinder 236, and the clamping lifting cylinder 236 is vertically and fixedly arranged at the top of the tightening support 21.
When the tightening and clamping mechanism 23 is actuated, the clamping and lifting cylinder 236 drives the clamping and lifting plate 235 to move up and down along the tightening bracket 21, so that the fixed clamping jaw 231 can contact the second shaft section 1022 of the mandrel 102, the first clamping groove 2311 is attached to the second shaft section 1022, then the tightening and clamping cylinder 233 pulls the clamping pull rod 234, the clamping pull rod 234 pulls the movable clamping jaw 232 to approach the fixed clamping jaw 231, and the second clamping groove 2321 is also attached to the second shaft section 1022, so that the mandrel is completely fixed.
When the mandrel tightening device 2 is operated, the top of the tightening power mechanism 22 is fixed to the bottom of the rotating shaft 123, the clamping mechanism 23 is tightened to fix the upper portion of the mandrel 102, and the tightening power mechanism 22 drives the connecting member 101 to rotate, so that the connecting member 101 and the mandrel 102 are tightened with a fixed torque.
The mandrel tightening device 2 and the jig mechanism 12 are matched with each other, so that the problem of low tightening efficiency caused by the fact that a mandrel cannot be accurately fixed when a connecting piece and the mandrel are tightened and a rotating mechanism cannot be rapidly combined with the jig is solved, and the mandrel tightening device has the advantages that the mandrel is firstly attached to the mandrel through the fixed clamping jaw 231, the mandrel is preliminarily positioned, and then the mandrel is clamped through the movable clamping jaw 232, so that the mandrel is completely fixed, and the positioning effect of the mandrel is ensured; when positioning jig mechanism 12, screw up pivot 223 top in the lower part of jig mechanism 12, through screwing up lug 2231 and screwing up the cooperation of groove 1231, quick will screw up power unit 22 and fix a position with jig mechanism 12, improve and screw up efficiency.
As shown in fig. 9 and 10, a lock nut feeding and tightening device for piston assembly production includes a lock nut feeding mechanism 91 and a lock nut feeding and tightening mechanism 92. The lock nut feeding mechanism 91 comprises a lock nut tray 911, a lock nut feeding rail 912, a lock nut vibrator 913, a lock nut positioning block 914, a positioning block mounting seat 915 and a positioning block lifting cylinder 916. The feed end of lock nut material loading track 912 is connected to the discharge end of lock nut charging tray 911, lock nut material loading track 912's lower part installation lock nut vibrator 913, lock nut material loading track 912's discharge end links up lock nut locating piece 914, be equipped with lock nut constant head tank 9141 on the lock nut locating piece 914, and lock nut constant head tank 9141 is close to the one end of lock nut material loading track 912 and is equipped with guide part 9142, the one end that lock nut constant head tank 9141 kept away from lock nut material loading track 912 is equipped with closed angle 9143, the lower part fixed mounting of lock nut locating piece 914 is on locating piece mount pad 915, the lower part fixed mounting of locating piece mount pad 915 is at the output of locating piece lift cylinder 916, the vertical fixed mounting of locating piece lift cylinder 916. The lock nut feeding and tightening mechanism 92 includes a transfer assembly 921 and a lock nut tightening assembly 922. The locking nut tightening assembly 922 is installed on the transfer assembly 921, the transfer assembly 921 is used for moving the locking nut tightening assembly 922, and the locking nut tightening assembly 922 is used for absorbing the locking nut and tightening the locking nut on the mandrel. The locking nut tightening assembly 922 comprises a vertical plate 9221, a locking nut lifting cylinder 9222, a pull rod 9223, a locking nut lifting sliding plate 9224, a locking nut lifting sliding rail 9225 and an electric screwdriver 9226. The riser 9221 is installed and is moved on carrying subassembly 921, the vertical installation on riser 9221 of lock nut lift cylinder 9222, pull rod 9223 is connected to the output of lock nut lift cylinder 9222, the lower extreme of pull rod 9223 is connected on lock nut lift slide 9224, lock nut lift slide 9224 is T shape, the rear portion slidable mounting of lock nut lift slide 9224 is on lock nut lift slide 9225, the vertical fixed mounting of lock nut lift slide 9225 is on riser 9221, the vertical installation electric screwdriver 9226 on the lock nut lift slide 9224, electric screwdriver 9226 absorbs lock nut and screws up it to the dabber.
When the locking nut feeding and tightening device 9 acts, a locking nut enters the locking nut feeding rail 912 from a locking nut tray 911, under the action of a locking nut vibrator 913, the locking nut enters a locking nut positioning block 914, enters a locking nut positioning groove 9141 through a guide part 9142, and is positioned through a sharp corner 9143, then the locking nut positioning block 914 is lifted upwards by a positioning block lifting cylinder 916, so that the locking nut is sucked by an electric screwdriver 9226, then the electric screwdriver 9226 is moved to the position right above the mandrel by a transfer assembly 921, the pull rod 9223 is pushed to move downwards by a locking nut lifting cylinder 9222, the electric screwdriver 9226 moves downwards, and the locking nut is tightened on a second shaft section of the mandrel.
The locking nut feeding and screwing device 9 solves the problems that when locking nuts are fed, all the nuts are horizontally placed, but included angles exist between every two nuts when the nuts are fed, so that each nut cannot be accurately sucked, and the feeding efficiency is reduced, and has the advantages that the guide part 9142 facilitating the entry of the locking nut is arranged on the locking nut positioning groove 9141, the locking nut is positioned through the sharp corner 9143, the placing form of each nut on the locking nut positioning block 914 is consistent, and the electric screwdriver 9226 is convenient to suck; the arrangement of the lock nut positioning block 914 and the positioning block lifting cylinder 916 is beneficial to ensuring that when the lock nut positioning block 914 moves upwards, the side surface of the lock nut positioning block 914 blocks the lock nut feeding rail 912, so that the lock nut can be conveniently fed.
Claims (8)
1. A locking nut feeding and screwing device for piston assembly production is characterized by comprising a locking nut feeding mechanism (91) and a locking nut feeding and screwing mechanism (92); the locking nut feeding mechanism (91) comprises a locking nut tray (911), a locking nut feeding rail (912), a locking nut vibrator (913), a locking nut positioning block (914), a positioning block mounting seat (915) and a positioning block lifting cylinder (916); the discharge end of a locking nut tray (911) is connected with the feed end of a locking nut feeding track (912), a locking nut vibrator (913) is arranged at the lower part of the locking nut feeding track (912), the discharge end of the locking nut feeding track (912) is connected with a locking nut positioning block (914), a locking nut positioning groove (9141) is arranged on the locking nut positioning block (914), a guide part (9142) is arranged at one end, close to the locking nut feeding rail (912), of the locking nut positioning groove (9141), a sharp corner (9143) is arranged at one end, far away from the locking nut feeding rail (912), of the locking nut positioning groove (9141), the lower part of the locking nut positioning block (914) is fixedly installed on a positioning block installing seat (915), the lower part of the positioning block installing seat (915) is fixedly installed at the output end of a positioning block lifting cylinder (916), and the positioning block lifting cylinder (916) is vertically and fixedly installed; the locking nut feeding and tightening mechanism (92) comprises a transfer assembly (921) and a locking nut tightening assembly (922); locking nut screws up subassembly (922) and installs on moving and carry subassembly (921), moves and carries subassembly (921) and is used for removing locking nut and screws up subassembly (922), and locking nut screws up subassembly (922) and is used for absorbing locking nut and screws up locking nut on the dabber.
2. The lock nut feeding and tightening device for piston assembly production according to claim 1, characterized in that the lock nut tightening assembly (922) comprises a vertical plate (9221), a lock nut lifting cylinder (9222), a pull rod (9223), a lock nut lifting slide plate (9224), a lock nut lifting slide rail (9225) and an electric screwdriver (9226); riser (9221) are installed and are being moved on moving subassembly (921), vertical installation on riser (9221) of lock nut lift cylinder (9222), pull rod (9223) are connected to the output of lock nut lift cylinder (9222), the lower extreme of pull rod (9223) is connected on lock nut lift slide (9224), lock nut lift slide (9224) is T shape, the rear portion slidable mounting of lock nut lift slide (9224) is on lock nut lift slide (9225), vertical fixed mounting on riser (9221) of lock nut lift slide (9225), vertical installation electric screwdriver (9226) on lock nut lift slide (9224), electric screwdriver (9226) are sucked up lock nut and are screwed up it to the dabber.
3. The hydraulic buffer piston assembly assembling equipment is characterized by comprising a turntable assembling device (1), a mandrel tightening device (2) and a locking nut feeding and tightening device (9); a mandrel tightening station and a locknut feeding tightening station are arranged on the turntable assembling device (1); the position of the mandrel tightening device (2) is matched with the mandrel tightening station; the position of the locking nut feeding and screwing device (9) is matched with a locking nut feeding and screwing station; the mandrel tightening device (2) is used for vertically tightening the mandrel on the connecting piece; the locking nut feeding and screwing device (9) is used for feeding the locking nut onto the mandrel and screwing the locking nut so that the recovery valve is fixed between the limiting nut and the locking nut; the locking nut feeding and tightening device (9) adopts the locking nut feeding and tightening device for the piston assembly production as claimed in claim 1; the turntable assembling device (1) comprises an assembling frame mechanism (11) and a jig mechanism (12); a jig mechanism (12) for vertically fixing the connecting piece is slidably mounted on the assembling frame mechanism (11), and the jig mechanism (12) continuously and circularly circulates on the assembling frame mechanism (11); the jig mechanism (12) comprises a jig bottom plate (121), a shaft sleeve (122), a rotating shaft (123) and a jig (124); a shaft sleeve (122) is fixedly installed at the center of the jig base plate (121), a rotating shaft (123) is rotatably installed in the shaft sleeve (122), a screwing groove (1231) for positioning during screwing is formed in the bottom of the rotating shaft (123), and a jig (124) is fixedly installed at the top of the rotating shaft (123); the jig (124) is provided with a positioning groove (1241) for positioning the connecting piece, the upper part of the positioning groove (1241) is a first positioning part (12411), on a vertical plane, the first positioning part (12411) is a straight groove, on a horizontal plane, the first positioning part (12411) is arc-shaped, and the first positioning part (12411) is used for positioning the upper part of the connecting piece; the lower part of the positioning groove (1241) is provided with a second positioning part (12412), the second positioning part (12412) is in a circular arc shape on a vertical plane, and the second positioning part (12412) is a straight groove on a horizontal plane.
4. A hydraulic buffer piston assembly assembling apparatus according to claim 3, wherein the rear portion of the second positioning portion (12412) is provided with a push hole (12413) for pushing the connecting member out of the positioning groove (1241).
5. A hydraulic shock absorber piston assembly assembling apparatus according to claim 3, wherein the mounting bracket mechanism (11) comprises a profile support bracket (111), a sprocket (112), a chain (113) and an endless track (114); chain wheels (112) are fixedly arranged at two ends of the section bar supporting frame (111), and the chain wheels (112) are connected through chains (113); the annular track (114) is positioned outside the chain (113); a fixing block (1212) is arranged at the rear part of the jig bottom plate (121), and the fixing block (1212) is fixedly connected to the chain (113); the front part of the jig bottom plate (121) is provided with a roller (1211), and the roller (1211) is pressed on the annular track (114).
6. A hydraulic shock absorber piston assembly assembling apparatus according to claim 3, wherein the mandrel tightening device (2) includes a tightening bracket (21), a tightening power mechanism (22), and a tightening clamp mechanism (23); the tightening power mechanism (22) is slidably arranged at the lower part of the tightening bracket (21), and the tightening clamping mechanism (23) is arranged at the upper part of the tightening bracket (21); the tightening power mechanism (22) is used for rotating the connecting piece, and the tightening clamping mechanism (23) is used for clamping the upper part of the mandrel when the connecting piece rotates; the tightening and clamping mechanism (23) comprises a fixed clamping jaw (231), a movable clamping jaw (232), a tightening and clamping cylinder (233), a clamping pull rod (234), a clamping lifting plate (235) and a clamping lifting cylinder (236); the end part of the fixed clamping jaw (231) is hinged with the end part of the movable clamping jaw (232), a semicircular first clamping groove (2311) is formed in the clamping end of the fixed clamping jaw (231), a second clamping groove (2321) matched with the first clamping groove (2311) is formed in the clamping end of the movable clamping jaw (232), and a connecting groove (2322) is formed in the middle of the movable clamping jaw (232); a tightening clamping cylinder (233) is transversely and fixedly installed in the middle of the fixed clamping jaw (231), the output end of the tightening clamping cylinder (233) is connected with a clamping pull rod (234), the middle of the clamping pull rod (234) is arranged in a connecting groove (2322) of the movable clamping jaw (232) in a penetrating mode, and the end portion of the clamping pull rod (234) is buckled on the side face of the movable clamping jaw (232); the clamping lifting plate (235) is fixedly installed on the upper end face of the fixed clamping jaw (231), the clamping lifting plate (235) is sleeved on the upper portion of the screwing support (21), the upper portion of the clamping lifting plate (235) is connected to the output end of the clamping lifting cylinder (236), and the clamping lifting cylinder (236) is vertically and fixedly installed at the top of the screwing support (21).
7. The hydraulic buffer piston assembly assembling apparatus according to claim 6, wherein the tightening power mechanism (22) includes a tightening motor (221), a reducer (222), a tightening rotary shaft (223), a rotary shaft stopper plate (224), a tightening lifting plate (225), an adapter plate (226), and a tightening lifting cylinder (227); the output end of the tightening motor (221) is connected with the speed reducer (222), the speed reducer (222) is fixedly installed on the tightening lifting plate (225), the output end of the speed reducer (222) is vertically connected with the tightening rotating shaft (223), the top end of the tightening rotating shaft (223) is provided with a tightening convex block (2231), and the tightening convex block (2231) is matched with the tightening groove (1231); screw up lifter plate (225) slidable mounting in screwing up support (21) lower part, screw up the one end of lifter plate (225) and be connected with adapter plate (226), adapter plate (226) link to each other with the output of screwing up lift cylinder (227), screw up the vertical fixed mounting of lift cylinder (227) in the support of screwing up (21) lower part.
8. An assembling apparatus of a hydraulic buffer piston assembly according to claim 6, characterized in that the middle of the tightening rotary shaft (223) is inserted into a rotary shaft limit plate (224), and the rotary shaft limit plate (224) is fixedly installed on the tightening lifting plate (225).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011084680.1A CN112247558A (en) | 2020-10-12 | 2020-10-12 | A lock nut material loading screws up device for piston assembly production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011084680.1A CN112247558A (en) | 2020-10-12 | 2020-10-12 | A lock nut material loading screws up device for piston assembly production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112247558A true CN112247558A (en) | 2021-01-22 |
Family
ID=74242653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011084680.1A Withdrawn CN112247558A (en) | 2020-10-12 | 2020-10-12 | A lock nut material loading screws up device for piston assembly production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112247558A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113102981A (en) * | 2021-04-12 | 2021-07-13 | 大连运明自动化技术有限公司 | Machine tool integrated workpiece nut fastening device |
| CN113977241A (en) * | 2021-12-10 | 2022-01-28 | 浙江欧迪恩传动科技股份有限公司 | Automatic assembling system of fixed joint assembly |
| CN115106765A (en) * | 2021-03-19 | 2022-09-27 | 南京思来机器人有限公司 | Automatic nut locking device |
-
2020
- 2020-10-12 CN CN202011084680.1A patent/CN112247558A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106765A (en) * | 2021-03-19 | 2022-09-27 | 南京思来机器人有限公司 | Automatic nut locking device |
| CN113102981A (en) * | 2021-04-12 | 2021-07-13 | 大连运明自动化技术有限公司 | Machine tool integrated workpiece nut fastening device |
| CN113977241A (en) * | 2021-12-10 | 2022-01-28 | 浙江欧迪恩传动科技股份有限公司 | Automatic assembling system of fixed joint assembly |
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Application publication date: 20210122 |
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