CN112247543A - A device and piston assembly equipment are screwed up in spacing nut material loading for producing piston assembly - Google Patents
A device and piston assembly equipment are screwed up in spacing nut material loading for producing piston assembly Download PDFInfo
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- CN112247543A CN112247543A CN202011084662.3A CN202011084662A CN112247543A CN 112247543 A CN112247543 A CN 112247543A CN 202011084662 A CN202011084662 A CN 202011084662A CN 112247543 A CN112247543 A CN 112247543A
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- 239000000463 material Substances 0.000 title abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 139
- 238000003825 pressing Methods 0.000 claims description 19
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 230000003028 elevating effect Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- 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
- B23P21/006—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 the conveying means comprising a rotating table
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
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- General Engineering & Computer Science (AREA)
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Abstract
The present invention relates to the field of piston assembly. A limiting nut feeding and screwing device for producing a piston assembly is characterized in that a limiting nut feeding mechanism comprises a limiting nut feeding rail, a limiting nut pushing cylinder, a limiting nut feeding cylinder, a limiting nut lifting cylinder and a limiting nut limiting plate; a limiting nut pushing cylinder is horizontally installed above a limiting nut feeding track, the output end of the limiting nut pushing cylinder is located at the discharge end of the limiting nut feeding track, a limiting nut feeding cylinder is horizontally installed on the lower portion of the limiting nut feeding track, a limiting nut lifting cylinder is vertically installed at the output end of the limiting nut feeding cylinder, a limiting nut limiting plate is installed at the output end of the limiting nut lifting cylinder, the limiting nut pushing cylinder pushes a limiting nut onto the limiting nut limiting plate, and a limiting nut positioning groove is formed in the limiting nut limiting plate. This patent has simplified the structure of material loading, has improved material loading efficiency.
Description
Technical Field
The invention relates to the field of piston assembly, in particular to a limiting nut feeding and screwing device for producing a piston assembly.
Background
The piston assembly is an important part in the motion executing components of the cylinder and the oil cylinder, has extremely wide application range and mainly plays a role in supporting the piston to do work. 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 a traditional nut is fed, other structures are needed to be transited between a feeding mechanism and a tightening mechanism to complete nut feeding, so that the structure is complex;
2. the positioning precision of the connecting piece is poor, so that the 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 limiting nut feeding and screwing device for producing a piston assembly, which is used for conveying a limiting nut to the lower part of a nut pressure head by a limiting nut feeding cylinder and a limiting nut lifting cylinder directly after the limiting nut enters a limiting nut limiting plate when the limiting nut is fed, and simplifies a feeding structure.
For the purpose of the invention, the following technical scheme is adopted: a limit nut feeding and screwing device for producing a piston assembly comprises a limit nut feeding mechanism, a limit nut screwing mechanism and a glue dispensing mechanism; the discharge end of the limiting nut feeding mechanism is connected with the limiting nut tightening mechanism, and the glue dispensing mechanism is positioned on one side of the limiting nut tightening mechanism; the limiting nut feeding mechanism is used for feeding a limiting nut into the limiting nut screwing mechanism, and the limiting nut screwing mechanism is used for placing the limiting nut on the mandrel and screwing the limiting nut on the mandrel; the glue dispensing mechanism is used for dispensing glue after the limiting nut is screwed down; the limiting nut feeding mechanism comprises a limiting nut feeding disc, a limiting nut feeding rail, a limiting nut vibrator, a limiting nut pushing cylinder, a limiting nut feeding cylinder, a limiting nut lifting cylinder and a limiting nut limiting plate; the discharge end of a limiting nut feeding disc is connected with the feed end of a limiting nut feeding track, a limiting nut vibrator is installed at the lower portion of the limiting nut feeding track, a limiting nut pushing cylinder is horizontally installed above the limiting nut feeding track, the output end of the limiting nut pushing cylinder is located at the discharge end of the limiting nut feeding track, a limiting nut feeding cylinder is horizontally installed at the lower portion of the limiting nut feeding track, a limiting nut lifting cylinder is vertically installed at the output end of the limiting nut feeding cylinder, a limiting nut limiting plate is installed at the output end of the limiting nut lifting cylinder, a limiting nut is pushed onto the limiting nut limiting plate by the limiting nut pushing cylinder, and a limiting nut positioning groove is formed in the limiting nut limiting plate; the limiting nut limiting plate conveys the nut to the limiting nut screwing mechanism.
Preferably, the limiting nut screwing mechanism comprises a second screwing bracket, a screwing power assembly and a screwing compression assembly; the tightening power assembly is slidably mounted at the lower part of the second tightening bracket, and the tightening and pressing assembly is mounted at the upper part of the second tightening bracket; the tightening power mechanism is used for rotating the mandrel, and the tightening clamping mechanism is used for pressing the limiting nut downwards on the mandrel when the mandrel rotates; the tightening power assembly comprises a second tightening motor, a second speed reducer, a second tightening rotating shaft, a second rotating shaft limiting plate, a second tightening lifting plate, a second adapter plate and a second tightening lifting cylinder; the output of motor is screwed up to the second reduction gear is connected to the output of second reduction gear, the pivot is screwed up to the second to the output of second reduction gear connection second, the top of pivot is screwed up to the second is equipped with screws up the lug with the second that screws up the groove and match, the middle part of pivot is screwed up to the second wears to establish in second pivot limiting plate, second pivot limiting plate fixed mounting is on the lifter plate is screwed up to the second, the lifter plate slidable mounting is screwed up in the second support lower part, the one end that the lifter plate was screwed up to the second is connected with the second keysets, the second keysets links to each other with the output that the lift cylinder was screwed up to the second, the vertical fixed mounting of lift cylinder is screwed up in the second and screws up support lower part.
Preferably, the tightening and pressing assembly comprises a tightening and pressing cylinder, a tightening and pressing lifting plate and a nut pressing head; the tightening and pressing cylinder is vertically and fixedly installed at the top of the second tightening support, the output end of the second tightening support is connected with the tightening and pressing lifting plate, the tightening and pressing lifting plate is slidably installed at the upper portion of the second tightening support, the nut pressing head is fixedly installed on the lower end face of the second tightening support, the lower end face of the nut pressing head is provided with a nut limiting groove, and the nut pressing head is used for sucking a limiting nut in the limiting nut positioning groove into the nut limiting groove and pressing the limiting nut downwards when being tightened.
A piston assembly assembling device comprises a turntable assembling device, a mandrel tightening device and a limiting nut feeding and tightening device; a mandrel tightening station and a limiting nut feeding tightening station are arranged on the turntable assembling device; the position of the mandrel tightening device is matched with the mandrel tightening station; the position of the limiting nut feeding and screwing device is matched with the limiting nut feeding and screwing station; the limiting nut feeding and screwing device for producing the piston assembly adopts the limiting nut feeding and screwing device for producing the piston assembly; the mandrel tightening device is used for vertically tightening the mandrel on the connecting piece; the limiting nut feeding and screwing device is used for feeding the limiting nut onto the mandrel and screwing the limiting nut; 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 first tightening bracket, a tightening power mechanism and a tightening clamping mechanism; the tightening power mechanism is arranged at the lower part of the first tightening bracket in a sliding manner, and the tightening clamping mechanism is arranged at the upper part of the first tightening bracket; the tightening power mechanism is used for rotating the jig, and the tightening clamping mechanism is used for clamping the upper part of the mandrel when the jig 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 first screwing support, the upper portion of the clamping lifting plate is connected to the output end of the clamping lifting cylinder, and the clamping lifting cylinder is vertically and fixedly arranged at the top of the first screwing support.
Preferably, the tightening power mechanism comprises a first tightening motor, a first speed reducer, a first tightening rotating shaft, a first rotating shaft limiting plate, a first tightening lifting plate, a first connecting plate and a first tightening lifting cylinder; first reduction gear is connected to the output of first tightening motor, first reduction gear fixed mounting is on first tightening lifter plate, first tightening pivot is connected to the output of first reduction gear, the top of first tightening pivot is equipped with the first lug of screwing up that matches with the groove of screwing up, first tightening lifter plate slidable mounting is in first tightening support lower part, the one end of first tightening lifter plate is connected with first adapter plate, first adapter plate links to each other with the output of first tightening lift cylinder, the vertical fixed mounting of first tightening lift cylinder is in first tightening support lower part.
Preferably, the middle part of the first screwing rotating shaft penetrates through the first rotating shaft limiting plate, and the first rotating shaft limiting plate is fixedly installed on the first screwing lifting plate.
In conclusion, the technical effects of the invention are as follows:
1. when the limiting nut is fed, after the limiting nut enters the limiting nut limiting plate, the limiting nut is directly conveyed to the lower part of the nut pressure head through the limiting nut feeding cylinder and the limiting nut lifting cylinder, so that the feeding structure is simplified; when the location, the second is screwed up the pivot and is pushed up in the lower part of tool mechanism, screws up the lug through the second and screws up the groove cooperation, and quick screwing up the mechanism with stop nut and tool mechanism location improves and screws up efficiency.
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, first screw up the pivot top in the lower part of tool mechanism, through first lug and the cooperation of screwing up the groove of screwing up, power unit and tool mechanism location will be screwed up to the speed is quick, improves and screws up efficiency.
Drawings
Fig. 1 is a schematic structural view of the piston assembly assembling apparatus of 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 view of the stop nut feeding and tightening device.
Fig. 10 is a schematic structural diagram of a limit nut feeding mechanism.
Detailed Description
As shown in fig. 1, a piston assembly assembling apparatus includes a turntable assembling device 1, a mandrel tightening device 2 and a limit nut feeding and tightening device 7; the turntable assembling device 1 is provided with a mandrel tightening station and a limiting nut feeding tightening station; the position of the mandrel tightening device 2 is matched with the mandrel tightening station; the position of the limiting nut feeding and screwing device 7 is matched with the limiting nut feeding and screwing station; the limit nut feeding and screwing device 7 adopts a limit nut feeding and screwing device for producing a piston assembly; the mandrel tightening device 2 is used for vertically tightening the mandrel on the connecting piece. And the limiting nut feeding and screwing device 7 is used for feeding the limiting nut to the mandrel and screwing the limiting nut.
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; 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 assembly frame mechanism 11 comprises a section bar support frame 111, a chain wheel 112, a chain 113 and an annular 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 a chain 113; the endless track 114 is located outside the chain 113; a fixing block 1212 is arranged at the rear part of the jig base plate 121, 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 rotating shaft 123 and a jig 124; a shaft sleeve 122 is fixedly installed in the center of the jig base plate 121, the rotating shaft 123 is rotatably installed in the shaft sleeve 122, a tightening groove 1231 for positioning during tightening 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 member, 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 connecting member; 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 first tightening bracket 21, a tightening power mechanism 22, and a tightening clamp mechanism 23; the tightening power mechanism 22 is slidably mounted at the lower part of the first tightening bracket 21, and the tightening clamping mechanism 23 is mounted at the upper part of the first tightening bracket 21; the tightening power mechanism 22 is used for rotating the jig 124, and the tightening clamping mechanism 23 is used for clamping the upper part of the mandrel when the jig 124 rotates; the tightening power mechanism 22 includes a first tightening motor 221, a first reducer 222, a first tightening spindle 223, a first spindle stopper plate 224, a first tightening lifting plate 225, a first adapter plate 226, and a first tightening lifting cylinder 227; the output end of the first tightening motor 221 is connected with the first speed reducer 222, the first speed reducer 222 is fixedly mounted on the first tightening lifting plate 225, the output end of the first speed reducer 222 is connected with the first tightening rotating shaft 223, the top end of the first tightening rotating shaft 223 is provided with a first tightening bump 2231 matched with the tightening groove 1231, the middle part of the first tightening rotating shaft 223 is arranged in the first rotating shaft limiting plate 224 in a penetrating manner, and the first rotating shaft limiting plate 224 is fixedly mounted on the first tightening lifting plate 225. First screw up lifter plate 225 slidable mounting is in first screw up support 21 lower part, and the one end of first screw up lifter plate 225 is connected with first adapter plate 226, and first adapter plate 226 links to each other with the output of first screw up lift cylinder 227, and the vertical fixed mounting of first screw up lift cylinder 227 is in first screw up support 21 lower part.
When the tightening power mechanism 22 acts, the first tightening lifting cylinder 227 drives the first adapter plate 226 to move up and down, so that the first tightening rotating shaft 223 on the first tightening lifting plate 225 abuts against the lower portion of the jig mechanism 12, the first tightening protrusion 2231 is matched with the tightening groove 1231, then the first tightening motor 221 acts to rotate the first tightening rotating shaft 223, and the first tightening rotating shaft 223 drives the jig 124 and the connecting piece thereon to rotate.
As shown in fig. 7 and 8, the tightening and clamping mechanism 23 includes a fixed jaw 231, a movable jaw 232, a tightening and clamping cylinder 233, a clamping pull rod 234, a clamping lift plate 235, and a clamping lift 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; 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 a 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 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 first 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 first screwing 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 first tightening bracket 21, so that the fixed jaw 231 can contact the second shaft segment 1022 of the mandrel 102, and simultaneously, the first clamping groove 2311 is attached to the second shaft segment 1022, then, the tightening and clamping cylinder 233 pulls the clamping pull rod 234, the clamping pull rod 234 pulls the movable jaw 232 to approach the fixed jaw 231, and the second clamping groove 2321 is also attached to the second shaft segment 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, first screw up pivot 223 top in the lower part of jig mechanism 12, through first screw up lug 2231 with screw 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. 8 and 9, a limit nut feeding and tightening device for producing a piston assembly includes a limit nut feeding mechanism 71, a limit nut tightening mechanism 72, and a glue dispensing mechanism 73; the discharge end of the limit nut feeding mechanism 71 is connected with the limit nut tightening mechanism 72, and the glue dispensing mechanism 73 is positioned at one side of the limit nut tightening mechanism 72; the limiting nut feeding mechanism 71 is used for feeding a limiting nut into the limiting nut screwing mechanism 72, and the limiting nut screwing mechanism 72 is used for placing the limiting nut on the mandrel and screwing the limiting nut on the mandrel; the dispensing mechanism 73 is used for dispensing after the limiting nut is screwed down; the limiting nut feeding mechanism 71 comprises a limiting nut feeding disc 711, a limiting nut feeding rail 712, a limiting nut vibrator 713, a limiting nut pushing cylinder 714, a limiting nut feeding cylinder 715, a limiting nut lifting cylinder 716 and a limiting nut limiting plate 717; the discharge end of a limit nut feeding disc 711 is connected with the feed end of a limit nut feeding rail 712, a limit nut vibrator 713 is mounted at the lower part of the limit nut feeding rail 712, a limit nut pushing cylinder 714 is horizontally mounted above the limit nut feeding rail 712, the output end of the limit nut pushing cylinder 714 is located at the discharge end of the limit nut feeding rail 712, a limit nut feeding cylinder 715 is horizontally mounted at the lower part of the limit nut feeding rail 712, a limit nut lifting cylinder 716 is vertically mounted at the output end of the limit nut feeding cylinder 715, a limit nut limiting plate 717 is mounted at the output end of the limit nut lifting cylinder 716, the limit nut pushing cylinder 714 pushes a limit nut onto the limit nut limiting plate 717, and a limit nut positioning groove 7171 is arranged on the limit nut limiting plate 717; the limit nut limiting plate 717 conveys the nut to the limit nut tightening mechanism 72;
when the limit nut feeding mechanism 71 acts, the limit nuts enter the limit nut feeding rail 712 from the limit nut feeding tray 711, the limit nuts move towards the discharge end of the limit nut feeding rail 712 under the action of the limit nut vibrator 713, the limit nut pushing cylinder 714 pushes the limit nuts to the limit nut positioning grooves 7171 on the limit nut limiting plates 717, then the limit nut feeding cylinder 715 pushes the limit nut limiting plates 717 to approach the limit nut tightening mechanism 72, the limit nut positioning grooves 7171 are located right below the nut pressure head 7233, and then the limit nut lifting cylinder 716 lifts the limit nuts upwards to enable the limit nuts to enter the nut pressure head 7233.
The limit nut tightening mechanism 72 comprises a second tightening bracket 721, a tightening power assembly 722 and a tightening compression assembly 723; the tightening power assembly 722 is slidably mounted at the lower part of the second tightening bracket 721, and the tightening and compressing assembly 723 is mounted at the upper part of the second tightening bracket 721; the tightening power mechanism 722 is used for rotating the mandrel, and the tightening clamping mechanism 723 is used for pressing the limiting nut downwards on the mandrel when the mandrel rotates; the tightening power assembly 722 includes a second tightening motor 7221, a second reducer 7222, a second tightening spindle 7223, a second spindle retainer plate 7224, a second tightening lifting plate 7225, a second adapter plate 7226, and a second tightening lifting cylinder 7227; the output end of the second screwing motor 7221 is connected with a second speed reducer 7222, the output end of the second speed reducer 7222 is connected with a second screwing rotating shaft 7223, a second screwing bump 72231 matched with the screwing groove 1231 is arranged at the top end of the second screwing rotating shaft 7223, the middle of the second screwing rotating shaft 7223 is arranged in a second rotating shaft limiting plate 7224 in a penetrating manner, the second rotating shaft limiting plate 7224 is fixedly arranged on a second screwing lifting plate 7225, the second screwing lifting plate 7225 is slidably arranged at the lower part of the second screwing support 721, one end of the second screwing lifting plate 7225 is connected with a second adapter plate 7226, the second adapter plate 7226 is connected with the output end of the second screwing lifting cylinder 7227, and the second screwing lifting cylinder 7227 is vertically and fixedly arranged at the lower part of the second screwing support 721; the tightening and compacting assembly 723 comprises a tightening and compacting cylinder 7231, a tightening and compacting lifting plate 7232 and a nut pressure head 7233; screw up the top of compressing cylinder 7231 vertical fixed mounting at the support 721 is screwed up to the second, the output of the support 721 is screwed up to the second is connected and is screwed up and compress tightly the lifter plate 7232, screw up and compress tightly the upper portion of lifter plate 7232 slidable mounting at the support 721 is screwed up to the second, fixed mounting nut pressure head 7233 on the lower terminal surface of support 721 is screwed up to the second, the lower terminal surface of nut pressure head 7233 is equipped with the nut spacing groove, nut pressure head 7233 is arranged in inhaling the nut spacing groove with the stop nut in the stop nut constant head tank 7171, and push down stop nut when screwing up.
When the limit nut tightening mechanism 72 acts, the second tightening lifting cylinder 7227 drives the second adapter plate 7226 to move upwards, the second adapter plate 7226 drives the second tightening lifting plate 7225 to slide upwards, the second tightening rotating shaft 7223 is pushed against the bottom of the jig mechanism 12, the second tightening bump 72231 extends into the tightening groove 1231, the tightening pressing cylinder 7231 presses the tightening pressing lifting plate 7232 downwards, the nut pressing head 7233 presses the limit nut on the mandrel, and the second tightening motor 7221 drives the second tightening rotating shaft 7223 to rotate, so that the mandrel rotates, and the limit nut is tightened on the mandrel.
When the limiting nut feeding and tightening device 7 acts, the limiting nut feeding mechanism 71 conveys the limiting nuts one by one to the limiting nut tightening mechanism 72, the limiting nut tightening mechanism 72 positions the jig mechanism 12, then the limiting nuts are tightened on the mandrel, and then the glue dispensing mechanism 73 dispenses glue at the joint of the limiting nuts and the mandrel.
The limiting nut feeding and screwing device 7 solves the problem that when a traditional nut is fed, nut feeding can be completed only by needing other structures to perform transition between a feeding mechanism and a screwing mechanism, so that the structure is complex, and the limiting nut feeding and screwing device 7 has the advantages that after a limiting nut enters a limiting nut limiting plate 717, the limiting nut is directly conveyed to the position below a nut pressure head 7233 by a limiting nut feeding air cylinder 715 and a limiting nut lifting air cylinder 716, so that the feeding structure is simplified; when the location, the second is screwed up pivot 7223 and is pushed up in the lower part of tool mechanism 12, screws up lug 72231 through the second and screws up the cooperation of groove 1231 with screwing up, and the quick mechanism 72 of screwing up with stop nut is fixed a position with tool mechanism 12, improves and screws up efficiency.
Claims (10)
1. A limiting nut feeding and screwing device for producing a piston assembly is characterized by comprising a limiting nut feeding mechanism (71), a limiting nut screwing mechanism (72) and a dispensing mechanism (73); the discharge end of the limiting nut feeding mechanism (71) is connected with the limiting nut screwing mechanism (72), and the dispensing mechanism (73) is positioned on one side of the limiting nut screwing mechanism (72); the limiting nut feeding mechanism (71) is used for feeding a limiting nut into the limiting nut screwing mechanism (72), and the limiting nut screwing mechanism (72) is used for placing the limiting nut on the mandrel and screwing the limiting nut on the mandrel; the glue dispensing mechanism (73) is used for dispensing glue after the limiting nut is screwed down; the limiting nut feeding mechanism (71) comprises a limiting nut feeding disc (711), a limiting nut feeding rail (712), a limiting nut vibrator (713), a limiting nut pushing cylinder (714), a limiting nut feeding cylinder (715), a limiting nut lifting cylinder (716) and a limiting nut limiting plate (717); the discharge end of a limit nut feeding disc (711) is connected with the feed end of a limit nut feeding track (712), a limit nut vibrator (713) is installed at the lower part of the limit nut feeding track (712), a limit nut pushing cylinder (714) is horizontally installed above the limit nut feeding track (712), the output end of the limit nut pushing cylinder (714) is located at the discharge end of the limit nut feeding track (712), a limit nut feeding cylinder (715) is horizontally installed at the lower part of the limit nut feeding track (712), a limit nut lifting cylinder (716) is vertically installed at the output end of the limit nut feeding cylinder (715), a limit nut limiting plate (717) is installed at the output end of the limit nut lifting cylinder (716), the limit nut pushing cylinder (714) pushes a limit nut onto the limit nut limiting plate (717), and a limit nut positioning groove (7171) is arranged on the limit nut limiting plate (717); the stop nut stop plate (717) delivers the nut to a stop nut tightening mechanism (72).
2. The stop nut feeding and tightening device for producing piston assemblies as claimed in claim 1, wherein the stop nut tightening mechanism (72) comprises a second tightening bracket (721), a tightening power assembly (722) and a tightening compression assembly (723); the tightening power assembly (722) is slidably arranged at the lower part of the second tightening bracket (721), and the tightening and pressing assembly (723) is arranged at the upper part of the second tightening bracket (721); the tightening power mechanism (722) is used for rotating the mandrel, and the tightening clamping mechanism (723) is used for pressing the limiting nut downwards on the mandrel when the mandrel rotates; the tightening power assembly (722) comprises a second tightening motor (7221), a second speed reducer (7222), a second tightening rotating shaft (7223), a second rotating shaft limiting plate (7224), a second tightening lifting plate (7225), a second adapter plate (7226) and a second tightening lifting cylinder (7227); second reduction gear (7222) is connected to the output of motor (7221) is screwed up to the second, pivot (7223) is screwed up to the second is connected to the output of second reduction gear (7222), the top of pivot (7223) is screwed up to the second is equipped with and screws up second lug (72231) that groove (1231) matches, the middle part of pivot (7223) is screwed up to the second is worn to establish in second pivot limiting plate (7224), second pivot limiting plate (7224) fixed mounting is on lifter plate (7225) is screwed up to the second, lifter plate (7225) slidable mounting is screwed up in second support (721) lower part to the second, the one end that lifter plate (7225) was screwed up to the second is connected with second keysets (7226), second keysets (7226) link to each other with the output that lifter cylinder (7227) was screwed up to the second, the vertical fixed mounting of lifter cylinder (7227) is screwed up in second support (721) lower part.
3. The stop nut feeding and tightening device for producing piston assemblies according to claim 1, characterized in that the tightening and compacting assembly (723) comprises a tightening and compacting cylinder (7231), a tightening and compacting lifting plate (7232) and a nut ram (7233); screw up the top of compressing cylinder (7231) vertical fixed mounting at support (721) is screwed up to the second, the output of support (721) is screwed up to the second is connected and is screwed up and compress tightly lifter plate (7232), screw up and compress tightly the upper portion of lifter plate (7232) slidable mounting at support (721) is screwed up to the second, fixed mounting nut pressure head (7233) on the lower terminal surface of support (721) is screwed up to the second, the lower terminal surface of nut pressure head (7233) is equipped with the nut spacing groove, nut pressure head (7233) are arranged in inhaling the nut spacing groove with the stop nut in stop nut constant head tank (7171), and push down stop nut when screwing up.
4. The piston assembly assembling equipment is characterized by comprising a turntable assembling device (1), a mandrel tightening device (2) and a limiting nut feeding and tightening device (7); a mandrel tightening station and a limiting nut 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 limiting nut feeding and screwing device (7) is matched with the limiting nut feeding and screwing station; the stop nut feeding and tightening device (7) is as defined in claim 1; the mandrel tightening device (2) is used for vertically tightening the mandrel on the connecting piece; and the limiting nut feeding and screwing device (7) is used for feeding the limiting nut to the mandrel and screwing the limiting nut.
5. Piston assembly assembling equipment according to claim 4, characterized in that the rotating disc 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.
6. The piston assembly assembling apparatus as claimed in claim 4, wherein the second positioning portion (12412) is provided at a rear portion thereof with a push hole (12413) for pushing the connector out of the positioning groove (1241).
7. Piston assembly assembling device according to claim 4, characterised in that the mounting frame means (11) comprise a profile support frame (111), a sprocket wheel (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).
8. Piston assembly assembling device according to claim 4, characterised in that the mandrel tightening means (2) comprise a first tightening bracket (21), a tightening power mechanism (22) and a tightening clamping mechanism (23); the tightening power mechanism (22) is slidably mounted at the lower part of the first tightening bracket (21), and the tightening clamping mechanism (23) is mounted at the upper part of the first tightening bracket (21); the tightening power mechanism (22) is used for rotating the jig (124), and the tightening clamping mechanism (23) is used for clamping the upper part of the mandrel when the jig (124) 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 first 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 first screwing support (21).
9. The piston assembly assembling apparatus as claimed in claim 4, wherein the tightening power mechanism (22) includes a first tightening motor (221), a first speed reducer (222), a first tightening rotation shaft (223), a first rotation shaft limiting plate (224), a first tightening elevating plate (225), a first rotation plate (226), and a first tightening elevating cylinder (227); first reduction gear (222) is connected to the output of first tightening motor (221), first reduction gear (222) fixed mounting is on first tightening lifter plate (225), first tightening pivot (223) is connected to the output of first reduction gear (222), the top of first tightening pivot (223) is equipped with the first lug (2231) of screwing up with screwing up groove (1231) matching, first tightening lifter plate (225) slidable mounting is in first tightening support (21) lower part, the one end of first tightening lifter plate (225) is connected with first adapter plate (226), first adapter plate (226) links to each other with the output of first tightening lifting cylinder (227), the vertical fixed mounting of first tightening lifting cylinder (227) is in first tightening support (21) lower part.
10. The piston assembly assembling apparatus as claimed in claim 4, wherein the first tightening rotary shaft (223) is inserted at a middle portion thereof into a first rotary shaft stopper plate (224), and the first rotary shaft stopper plate (224) is fixedly installed on the first tightening lifter plate (225).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011084662.3A CN112247543A (en) | 2020-10-12 | 2020-10-12 | A device and piston assembly equipment are screwed up in spacing nut material loading for producing piston assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011084662.3A CN112247543A (en) | 2020-10-12 | 2020-10-12 | A device and piston assembly equipment are screwed up in spacing nut material loading for producing piston assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112247543A true CN112247543A (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011084662.3A Withdrawn CN112247543A (en) | 2020-10-12 | 2020-10-12 | A device and piston assembly equipment are screwed up in spacing nut material loading for producing piston assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112247543A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113084506A (en) * | 2021-04-26 | 2021-07-09 | 余姚市银达电器有限公司 | Assembly equipment of knife rest and blade |
| CN114455258A (en) * | 2022-04-14 | 2022-05-10 | 常州铭赛机器人科技股份有限公司 | Point gum machine conveyor and have device's point gum machine |
-
2020
- 2020-10-12 CN CN202011084662.3A patent/CN112247543A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113084506A (en) * | 2021-04-26 | 2021-07-09 | 余姚市银达电器有限公司 | Assembly equipment of knife rest and blade |
| CN113084506B (en) * | 2021-04-26 | 2022-04-12 | 余姚市银达电器有限公司 | Assembly equipment of knife rest and blade |
| CN114455258A (en) * | 2022-04-14 | 2022-05-10 | 常州铭赛机器人科技股份有限公司 | Point gum machine conveyor and have device's point gum machine |
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Application publication date: 20210122 |
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