CN108637637B - Progressive knocking device for interference assembly - Google Patents
Progressive knocking device for interference assembly Download PDFInfo
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- CN108637637B CN108637637B CN201810464200.0A CN201810464200A CN108637637B CN 108637637 B CN108637637 B CN 108637637B CN 201810464200 A CN201810464200 A CN 201810464200A CN 108637637 B CN108637637 B CN 108637637B
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- device body
- rotatably connected
- fixedly connected
- worm
- screw rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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Abstract
The invention discloses a progressive knocking device for interference assembly, wherein the left side of a driving motor is rotatably connected with a worm, the worm is meshed with a worm wheel, the worm wheel is fixedly connected with a cam, a rotating wheel is attached to the lower part of the cam, the rotating wheel is rotatably connected with the upper surface of a swinging arm, the lower surface of the swinging arm is rotatably connected with the upper end of a telescopic rod, the lower part of the telescopic rod is sleeved on the upper part of a sleeve, the lower end of the sleeve is rotatably connected with a device body, the lower surface of the left end of the swinging arm is fixedly connected with a hammer head, the bottom surface. The device drives runner and the reciprocal luffing motion of swing arm through the cam, and the swing arm drives the reciprocal strike axle piece upper end of tup and makes in the axle piece gets into the hole piece, and worm gear drive moment is big, guarantees to strike the dynamics, and initiative lead screw and driven lead screw drive workstation and axle piece and hole piece constantly shift up when the tup strikes, realize knocking the assembly in succession, and device body bottom still is equipped with damper simultaneously.
Description
Technical Field
The invention relates to a mechanical assembly device, in particular to a progressive knocking device for interference assembly.
Background
An interference fit is a fit having an interference where the tolerance band of the bore is below the tolerance band of the shaft. In the machining and manufacturing processes, the fitting state of two or more parts can be roughly classified into a clearance fit, a transition fit, and an interference fit. The interference assembly means that the shaft diameter matched with the shaft diameter is larger than the bore diameter, a special tool is required to be extruded in, or the bore diameter is heated by utilizing the characteristics of expansion with heat and contraction with cold, the bore diameter is expanded while the bore diameter is rapidly sleeved on the shaft, and the two parts are tightly matched into a whole after being cooled and contracted.
The mode that adopts to strike when present shaft part and hole spare interference cold assembly mostly makes the shaft part extrusion get into in the hole spare, and current interference fit mostly still relies on the manual work to accomplish, and degree of automation is low, need consume a large amount of labours and time, is unfavorable for improving work efficiency.
Disclosure of Invention
The invention aims to provide a progressive knocking device for interference assembly, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
A progressive knocking device for interference assembly comprises a device body, a worm wheel, a driving screw rod, a workbench, a clamping device, a swing arm and a sleeve, wherein a driving motor is arranged on the right side of the upper end of the device body; the worm is meshed with a worm wheel which is fixedly connected with a cam, the worm wheel and the cam are rotatably connected with the lower end of a supporting rod, the upper end of the supporting rod is fixedly connected with a device body, a rotating wheel is attached to the lower portion of the cam, the rotating wheel is rotatably connected with the upper surface of a swinging arm, and the right end of the swinging arm is rotatably connected with the side wall of the device body; the lower surface of the swing arm is rotatably connected with the upper end of the telescopic rod, the lower part of the telescopic rod is sleeved on the upper part of the sleeve, the lower end of the sleeve is rotatably connected with the device body, the lower surface of the left end of the swing arm is fixedly connected with the hammer head, the bottom surface inside the sleeve is provided with a spring, and the upper end of the spring is abutted against the lower end of the; the left side of the worm is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly connected with the upper end of a driving screw rod, and a bearing at the lower end of the driving screw rod is rotatably connected with a device body; the lower part of the driving screw rod is connected with the left end of the synchronous belt in a rolling way, the right end of the synchronous belt is connected with the lower part of the driven screw rod in a rolling way, and a bearing at the lower end of the driven screw rod is rotatably connected with the device body; the driving screw rod and the driven screw rod are respectively in threaded connection with the left side and the right side of the workbench, and a clamping device is arranged on the upper surface of the workbench; clamping device includes pneumatic cylinder and grip ring, the sealed sliding connection piston rod in pneumatic cylinder left side, and both sides rotate respectively around the piston rod left end and connect the grip ring, and grip ring outer wall middle part rotates and connects the connecting rod left end, and the connecting rod right-hand member rotates and connects the pneumatic cylinder left side, and the inside circumference equidistance of grip ring is equipped with a plurality of ball grooves, and the ball groove embedded joint has the ball.
As a further scheme of the invention: the device body lower extreme both sides are fixed connection spring telescopic link upper end respectively, and spring telescopic link lower extreme fixed connection bottom plate, and device body lower extreme central authorities fixed connection leaf spring upper end, and the link block is rotated respectively to leaf spring both sides lower extreme, slider sliding connection spout, and the bottom plate both sides are located to the spout.
As a still further scheme of the invention: the two ends of the workbench are respectively provided with a support leg which is in sliding connection with a guide rail, and the guide rail is arranged on the side wall of the lower part of the device body.
As a still further scheme of the invention: the upper part of the driving screw rod is rotatably connected with the sleeve, and the left end of the sleeve is fixedly connected with the connecting device body.
As a still further scheme of the invention: the bearing at the upper end of the driven screw rod is rotatably connected with the transverse plate, and the transverse plate is fixedly connected with the device body.
As a still further scheme of the invention: the driving motor is a forward and reverse rotating motor.
As a still further scheme of the invention: the driving motor is connected with the power supply and the switch through wires.
Compared with the prior art, the invention has the beneficial effects that: the device passes through the reciprocal luffing motion of cam drive runner and swing arm, the swing arm drives the reciprocal strike axle spare upper end of tup and makes in the axle spare gets into the hole spare, worm gear drive moment is big, guarantee the dynamics of strikeing, and initiative lead screw and driven lead screw drive workstation and axle spare and hole spare constantly shift up when the tup is strikeed, realize the assembly of strikeing in succession, device body bottom still is equipped with damper simultaneously, the shock resistance of device has been improved greatly, be favorable to increase of service life, the noise reduction. The device structural design is reasonable suitable for, and degree of automation is high, has improved interference fit's work efficiency greatly.
Drawings
Fig. 1 is a schematic structural diagram of a progressive knocking device for interference fit.
Fig. 2 is an enlarged view of a holding device in the interference fit progressive rapping device.
Fig. 3 is a top view of a retainer device in a progressive rapping device for interference fit.
Fig. 4 is a schematic structural view of a telescopic rod and a sleeve in the progressive knocking device for interference assembly.
in the figure: 1-the device body; 2-driving the motor; 3-a motor base; 4-a worm; 5-a worm gear; 6-a cam; 7-a support bar; 8-a first bevel gear; 9-a second bevel gear; 10-active screw rod; 11-a sleeve; 12-a work bench; 13-a guide rail; 14-a clamping device; 15-synchronous belt; 16-a driven screw rod; 17-a swing arm; 18-a wheel; 19-a telescopic rod; 20-a cannula; 21-a spring telescopic rod; 22-leaf spring; 23-a slide block; 24-a hydraulic cylinder; 25-a piston rod; 26-a connecting rod; 27-a clamping ring; 28-a ball bearing; 29-hammer head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in the embodiment of the present invention, a progressive knocking device for interference fit includes a device body 1, a worm 4, a worm wheel 5, a driving screw rod 10, a workbench 12, a clamping device 14, a swing arm 17, and a sleeve 20; the right side of the upper end of the device body 1 is provided with a driving motor 2, the upper part of the driving motor 2 is fixedly connected with a motor base 3, the motor base 3 is fixedly connected with the device body 1 through bolts, a lead of the driving motor 2 is connected with a power supply and a switch, the left side of the driving motor 2 is rotatably connected with a worm 4, a left end bearing of the worm 4 is rotatably connected with the device body 1, the driving motor 2 is a forward and reverse rotation motor, and the switch is pressed in the forward direction to enable the driving motor 2 to work to drive the worm 4; the worm 4 is meshed with a worm wheel 5, the worm wheel 5 is fixedly connected with a cam 6, the worm wheel 5 and the cam 6 are rotatably connected with the lower end of a supporting rod 7, the upper end of the supporting rod 7 is fixedly connected with the device body 1, a rotating wheel 18 is attached to the lower portion of the cam 6, the rotating wheel 18 is rotatably connected with the upper surface of a swinging arm 17, and the right end of the swinging arm 17 is rotatably connected with the side wall of the device body 1; the lower surface of the swing arm 17 is rotatably connected with the upper end of a telescopic rod 19, the lower part of the telescopic rod 19 is sleeved on the upper part of a sleeve 20, the lower end of the sleeve 20 is rotatably connected with a connecting device body 1, the lower surface of the left end of the swing arm 17 is fixedly connected with a hammer 29, the bottom surface inside the sleeve 20 is provided with a spring, the upper end of the spring is abutted to the lower end of the telescopic rod 19, the spring is always in a compression state, the rotating worm 4 drives a worm wheel 5 and a cam 6 to rotate, the rotating wheel 18 is always attached to the cam 6 under the spring action in the sleeve 20, the telescopic rod 19 and the sleeve 20, the rotating cam 6 drives the rotating wheel 18 and the swing arm 17 to swing up and down in a.
The left side of the worm 4 is fixedly connected with a first bevel gear 8, the first bevel gear 8 is meshed with a second bevel gear 9, the second bevel gear 9 is fixedly connected with the upper end of a driving screw rod 10, the upper part of the driving screw rod 10 is rotatably connected with a sleeve 11, the left end of the sleeve 11 is fixedly connected with a device body 1, and a bearing at the lower end of the driving screw rod 10 is rotatably connected with the device body 1; the lower part of the driving screw rod 10 is connected with the left end of a synchronous belt 15 in a rolling way, the right end of the synchronous belt 15 is connected with the lower part of a driven screw rod 16 in a rolling way, a bearing at the lower end of the driven screw rod 16 is rotatably connected with a device body 1, a bearing at the upper end of the driven screw rod 16 is rotatably connected with a transverse plate, the transverse plate is fixedly connected with the device body 1, a rotating worm 4 drives the driving screw rod 10 to rotate through a first bevel gear 8 and a second bevel gear 9, and the driving screw rod 10 drives; the driving screw rod 10 and the driven screw rod 16 are respectively in threaded connection with the left side and the right side of the workbench 12, supporting legs are respectively arranged at two ends of the workbench 12 and are in sliding connection with guide rails 13, the guide rails 13 are arranged on the side wall of the lower portion of the device body 1, a clamping device 14 is arranged on the upper surface of the workbench 12, and the workbench 12 is driven by the driving screw rod 10 and the driven screw rod 16 to move upwards in a rotating mode.
Clamping device 14 includes pneumatic cylinder 24 and grip ring 27, pneumatic cylinder 24 left side sealing sliding connection piston rod 25, both sides rotate respectively around the piston rod 25 left end and connect grip ring 27, and grip ring 27 outer wall middle part rotates and connects the connecting rod 26 left end, connecting rod 26 right-hand member rotates and connects pneumatic cylinder 24 left side, grip ring 27 inboard circumference equidistance is equipped with a plurality of ball grooves, the ball 28 has been inlayed and has been connect in the ball groove, hammer 29 and grip ring 27 are located same vertical axis when swing arm 17 is in horizontal position, it is flexible and then drive grip ring 27 switching clamping shaft spare through the interior hydraulic pressure area of control pneumatic cylinder 24 and keep vertical, ball 28 can reduce the resistance when axle spare whereabouts.
The device body 1 lower extreme both sides are the fixed connection spring telescopic link 21 upper end respectively, and spring telescopic link 21 lower extreme fixed connection bottom plate, and the device body 1 lower extreme central authorities fixed connection leaf spring 22 upper end, and leaf spring 22 both sides lower extreme rotates respectively and connects slider 23, and slider 23 sliding connection spout, bottom plate both sides are located to the spout, carry out the shock attenuation through spring telescopic link 21 and leaf spring 22 to device body 1 during operation.
The working principle of the invention is as follows: the positive pressing switch enables the driving motor 2 to work by electrifying to drive the worm 4 to rotate positively, the rotating worm 4 drives the driving screw rod 10 to rotate by the first bevel gear 8 and the second bevel gear 9, the driving screw rod 10 drives the driven screw rod 16 to rotate synchronously by the synchronous belt 15, the rotating driving screw rod 10 and the driven screw rod 16 drive the workbench 12 to move upwards, the switch is closed after the workbench 12 is in a proper position to enable the driving motor 2 to stop working by power failure, a hole piece to be assembled is placed on the workbench 12, the piston rod 25 is driven to stretch by controlling the oil pressure in the hydraulic cylinder 24 to drive the clamping ring 27 to open and close the clamping shaft piece to keep vertical, the lower end of the shaft piece is aligned with the upper part of the hole piece, the positive pressing switch is performed again, the rotating worm 4 drives the worm wheel 5 and the cam 6 to rotate, the rotating wheel 18 is enabled to be always attached to the cam 6 under the, the rotating cam 6 drives the rotating wheel 18 and the swing arm 17 to swing up and down in a reciprocating mode, the swing arm 17 drives the hammer 29 to knock the upper end of the shaft in a reciprocating mode, so that the shaft enters the hole piece, the shaft falls down continuously under the knocking action of the hammer 29, the rotating driving screw rod 10 and the rotating driven screw rod 16 drive the workbench 12, the hole piece and the shaft to move upwards continuously, the upper end of the shaft can be always knocked by the hammer 29, after the assembly is completed, the oil pressure in the hydraulic cylinder 24 is reduced, the clamping ring 27 is opened, the assembled shaft and hole piece are taken out, the switch is pressed reversely, so that the driving motor 2 drives the worm 4 to rotate, and the workbench 12 moves downwards, and the next use is facilitated.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A progressive knocking device for interference assembly comprises a device body (1), a worm (4), a worm wheel (5), a driving screw rod (10), a workbench (12), a clamping device (14), a swing arm (17) and a sleeve (20), and is characterized in that a driving motor (2) is arranged on the right side of the upper end of the device body (1), the upper portion of the driving motor (2) is fixedly connected with a motor base (3), the motor base (3) is fixedly connected with the device body (1) through a bolt, the left side of the driving motor (2) is rotatably connected with the worm (4), and a bearing at the left end of the worm (4) is rotatably connected with the device body (1); the worm (4) is meshed with the worm wheel (5), the worm wheel (5) is fixedly connected with the cam (6), the worm wheel (5) and the cam (6) are rotatably connected with the lower end of the supporting rod (7), the upper end of the supporting rod (7) is fixedly connected with the device body (1), the lower part of the cam (6) is attached to the rotating wheel (18), the rotating wheel (18) is rotatably connected with the upper surface of the swinging arm (17), and the right end of the swinging arm (17) is rotatably connected with the side wall of the device body (1); the lower surface of the swing arm (17) is rotatably connected with the upper end of a telescopic rod (19), the lower part of the telescopic rod (19) is sleeved on the upper part of a sleeve (20), the lower end of the sleeve (20) is rotatably connected with the device body (1), the lower surface of the left end of the swing arm (17) is fixedly connected with a hammer head (29), a spring is arranged on the bottom surface inside the sleeve (20), and the upper end of the spring is abutted against the lower end of the telescopic rod (19); the left side of the worm (4) is fixedly connected with a first bevel gear (8), the first bevel gear (8) is meshed with a second bevel gear (9), the second bevel gear (9) is fixedly connected with the upper end of a driving screw rod (10), and a bearing at the lower end of the driving screw rod (10) is rotatably connected with the device body (1); the lower part of the driving screw rod (10) is connected with the left end of a synchronous belt (15) in a rolling way, the right end of the synchronous belt (15) is connected with the lower part of a driven screw rod (16) in a rolling way, and a bearing at the lower end of the driven screw rod (16) is rotatably connected with the device body (1); the driving screw rod (10) and the driven screw rod (16) are respectively in threaded connection with the left side and the right side of the workbench (12), and a clamping device (14) is arranged on the upper surface of the workbench (12); clamping device (14) include pneumatic cylinder (24) and grip ring (27), pneumatic cylinder (24) left side sealing sliding connection piston rod (25), both sides rotate respectively around piston rod (25) left end and connect grip ring (27), and grip ring (27) outer wall middle part rotates and connects connecting rod (26) left end, and connecting rod (26) right-hand member rotates and connects pneumatic cylinder (24) left side, and grip ring (27) inboard circumference equidistance is equipped with a plurality of ball grooves, and ball groove embedded has ball (28).
2. The progressive knocking device for the interference assembly according to claim 1, wherein two sides of the lower end of the device body (1) are fixedly connected with the upper end of a spring telescopic rod (21) respectively, the lower end of the spring telescopic rod (21) is fixedly connected with a bottom plate, the center of the lower end of the device body (1) is fixedly connected with the upper end of a plate spring (22), the lower ends of two sides of the plate spring (22) are rotatably connected with sliding blocks (23) respectively, the sliding blocks (23) are slidably connected with sliding grooves, and the sliding grooves are formed in two sides of the bottom plate.
3. The progressive knocking device for interference fit according to claim 1, wherein support legs are respectively arranged at two ends of the workbench (12), the support legs are slidably connected with guide rails (13), and the guide rails (13) are arranged on the side wall of the lower portion of the device body (1).
4. The progressive knocking device for interference fit according to claim 1, characterized in that the upper part of the driving screw rod (10) is rotatably connected with a sleeve (11), and the left end of the sleeve (11) is fixedly connected with the device body (1).
5. The progressive knocking device for interference fit is characterized in that a bearing at the upper end of the driven screw rod (16) is rotatably connected with a transverse plate, and the transverse plate is fixedly connected with the device body (1).
6. A progressive knocking device for interference fit according to claim 1, characterised in that said driving motor (2) is a counter-rotating motor.
7. A progressive knocking device for interference fit according to claim 1, characterised in that said driving motor (2) is wired to a power source and to a switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810464200.0A CN108637637B (en) | 2018-05-15 | 2018-05-15 | Progressive knocking device for interference assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810464200.0A CN108637637B (en) | 2018-05-15 | 2018-05-15 | Progressive knocking device for interference assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108637637A CN108637637A (en) | 2018-10-12 |
| CN108637637B true CN108637637B (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810464200.0A Active CN108637637B (en) | 2018-05-15 | 2018-05-15 | Progressive knocking device for interference assembly |
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| CN (1) | CN108637637B (en) |
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| CN111843430A (en) * | 2020-07-20 | 2020-10-30 | 王冬梅 | A strike equipment tight for instrument hammer equipment |
| CN111975686A (en) * | 2020-09-05 | 2020-11-24 | 刘婷婷 | Gearbox body machining system and method |
| CN112318416B (en) * | 2020-10-15 | 2022-05-03 | 友达光电（苏州）有限公司 | Disassembling equipment and method for disassembling display screen and cover plate |
| CN112845835A (en) * | 2021-01-04 | 2021-05-28 | 陈玉冰 | Surface knocking device for mechanical parts of construction equipment |
| CN113414740A (en) * | 2021-07-09 | 2021-09-21 | 济南轩玥昇家具有限公司 | Horizontal anti-inclination knocking device for furniture assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3092777B2 (en) * | 1994-11-17 | 2000-09-25 | キヤノン株式会社 | Press-fitting method |
| CN100534704C (en) * | 2007-12-10 | 2009-09-02 | 广州市嘉特斯机电制造有限公司 | Bearing press-in device and method of use thereof |
| CN201271797Y (en) * | 2008-08-29 | 2009-07-15 | 天津长芦汉沽盐场有限责任公司 | Hydraulic screw extractor |
| CN201295897Y (en) * | 2008-10-31 | 2009-08-26 | 江苏罡阳股份有限公司 | Holddown device used for pressing fittings onto the elongated shaft end |
| CN201970072U (en) * | 2010-12-22 | 2011-09-14 | 浙江银轮机械股份有限公司 | Assembly machine for fixed connecting sleeve of exhaust gas recirculation (EGR) cooler core |
| CN202200248U (en) * | 2011-06-14 | 2012-04-25 | 苏州怡丰工业设备有限公司 | Online type lamination machine of door seal |
| CN205310292U (en) * | 2016-01-26 | 2016-06-15 | 杨伟峰 | Mechanical arm |
| CN206951289U (en) * | 2017-03-30 | 2018-02-02 | 四川华洁嘉业环保科技有限责任公司 | A kind of solid waste efficiency crushing equipment |
| CN107348620A (en) * | 2017-06-27 | 2017-11-17 | 刘同海 | The pressure bottom efficient knocking device in splicing face is glued in a kind of shoemaking |
| CN107398466A (en) * | 2017-08-14 | 2017-11-28 | 侯添有 | A kind of discarded Motor Stator Assembly component classification recovery servicing unit for building |
| CN107837860A (en) * | 2017-12-15 | 2018-03-27 | 郑州仁宏医药科技有限公司 | A kind of Chinese herbal medicine movable type mashing device |
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2018
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Effective date of registration: 20191126 Address after: 224000 No. 29 East Central Road, Yancheng Economic Development Zone, Jiangsu Province Applicant after: Jiangsu Zhongzhan Cheliang Peijian Co., Ltd. Address before: 310000 508, 5 building, 1 Silicon Valley, Fuchun Silicon Valley, 398 Fuyang Avenue, Fuyang District, Yunnan Province, China Applicant before: Sheng Liangke |
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