CN105834722B - A kind of assembly machine - Google Patents

A kind of assembly machine Download PDF

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Publication number
CN105834722B
CN105834722B CN201610264598.4A CN201610264598A CN105834722B CN 105834722 B CN105834722 B CN 105834722B CN 201610264598 A CN201610264598 A CN 201610264598A CN 105834722 B CN105834722 B CN 105834722B
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CN
China
Prior art keywords
hydraulic
fixedly mounted
beaming
hydraulic cylinder
axis
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CN201610264598.4A
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Chinese (zh)
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CN105834722A (en
Inventor
高瑞祥
肖宇
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TIANJIN TONGGUANG GROUP SPECIAL EQUIPMENT CO Ltd
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TIANJIN TONGGUANG GROUP SPECIAL EQUIPMENT CO Ltd
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Priority to CN201610264598.4A priority Critical patent/CN105834722B/en
Publication of CN105834722A publication Critical patent/CN105834722A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines 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
    • B23P19/02Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B23P19/027Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines 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
    • B23P19/001Article feeders for assembling machines

Abstract

The invention discloses a kind of assembly machine, including base, it is characterized in that, the base is fixedly mounted on the ground, hydraulic beaming is provided with above the base, auxiliary hydraulic cylinder is provided between described hydraulic beaming lower surface one end and base upper surface, feed mechanism is provided between the hydraulic beaming lower surface other end and base upper surface, the hydraulic beaming center press-fits hydraulic cylinder provided with being installed with equipment master, the equipment master, which press-fits the telescopic end of hydraulic cylinder and press-fits hydraulic cylinder mounting hole by equipment master, to be extended downwardly from below hydraulic beaming, the equipment master press-fits the end face at hydraulic cylinder extension end provided with replaceable assembling mould, the hydraulic beaming outer surface is provided with subsidiary mechanism, the chassis outer side surface is provided with controller, the controller respectively with auxiliary hydraulic cylinder, feed mechanism, auxiliary feeding mechanism, equipment master press-fits hydraulic cylinder, subsidiary mechanism is electrically connected with.The beneficial effects of the invention are as follows, it is simple in construction, it is practical.

Description

A kind of assembly machine
Technical field
The present invention relates to make-up machinery equipment, particularly a kind of assembly machine.
Background technology
The work press-fited is manually much carried in assembling now, using the very inconvenient operation of hanging device in carrying, and liquid Also unsafe condition is had in pressure, the turnover of assembling main body, which becomes simple and convenient, makes each face workpiece of assembling easily operated.
The content of the invention
The invention aims to solve the above problems, a kind of assembly machine is devised.Realize the above-mentioned purpose present invention's Technical scheme is, a kind of assembly machine, including base, and the base is fixedly mounted on the ground, and hydraulic pressure is provided with above the base Upper beam, is provided with auxiliary hydraulic cylinder, the hydraulic beaming lower surface between described hydraulic beaming lower surface one end and base upper surface Feed mechanism is provided between the other end and base upper surface, the feed mechanism is by being opened on hydraulic beaming and insertion hydraulic beaming Upper and lower surface lift cylinder mounting hole, it is fixedly mounted on hydraulic beaming and its telescopic end is inserted into lift cylinder mounting hole Lift cylinder, the erection & lift frame for being fixedly set in lift cylinder telescopic end, the Z axis time for being fixedly mounted on erection & lift frame lower end Rotation mechanism, the mounting post being fixedly connected with Z axis slew gear round end, be fixedly mounted in mounting post and with mounting post mutually hang down Straight X-axis travel mechanism, the X-axis installing frame being fixedly mounted on X-axis travel mechanism telescopic end, it is fixedly mounted on X-axis installing frame The Y-axis electric rotating machine of one end, the Y-axis rotary disk being fixedly mounted on Y-axis electric rotating machine round end end face are collectively formed, described Base upper surface is provided with auxiliary feeding mechanism, and the hydraulic beaming center press-fits hydraulic cylinder mounting hole provided with equipment master, described Hydraulic beaming center press-fits hydraulic cylinder provided with being installed with equipment master, and the equipment master press-fits the telescopic end of hydraulic cylinder by setting Standby master press-fits hydraulic cylinder mounting hole and extended downwardly from below hydraulic beaming, and the equipment master press-fits to be set on the end face at hydraulic cylinder extension end There is replaceable assembling mould, the hydraulic beaming outer surface is provided with subsidiary mechanism, the chassis outer side surface and set Have a controller, the controller press-fit respectively with auxiliary hydraulic cylinder, feed mechanism, auxiliary feeding mechanism, equipment master hydraulic cylinder, Subsidiary mechanism is electrically connected with.
The base is fixedly mounted on the ground by foundation bolt.
The auxiliary feeding mechanism by be fixedly mounted on base and with base upper surface is orthogonal links post, fixation Both-end synchronous rotation motor, one end installed in link post upper end are fixedly connected with two round ends of both-end synchronous rotation motor Free revoliving arm, positioned at the free revoliving arm other end and with the orthogonal hydraulic cylinder of free revoliving arm, be fixedly mounted on liquid Support plate on cylinder pressure telescopic end, it is fixedly mounted on what the locking device of hydraulic cylinder upper surface was collectively formed.
The Y-axis revolution panel surface is provided with multiple installation pin-and-holes.
Each pin-and-hole of installing is provided with the dowel special matched with it.
The Y-axis revolution panel surface is embedded equipped with installation alignment sensor.
The subsidiary mechanism is fixedly mounted on measurement casing on hydraulic beaming side surface, fixation by an outer surface Flexible linear electric motors, the infrared survey being fixedly mounted on the flexible linear electric motors telescopic end of measurement are measured in measurement casing Amount device is collectively formed.
The Z axis slew gear is rotation driving servomotor.
The X-axis travel mechanism is linear drives servomotor.
PLC control system is provided with the controller, the controller outer surface is switched provided with capacitance touch screen and master control.
The title made using technical scheme, the existing hanging device of solution is dumb, and workpiece turns in assembling Turn positioning and delivering to and press-fit that position is more convenient more easily to be operated, make the workpiece uniformity of assembling more preferably, this equipment application is in Small pressure is assembled, and multiple degrees of freedom, which is accurately positioned, to be press-fited, and the only upset of assembling main body four sides is installed, and the zero of weight is carried for artificial Part can be carried out being carried to installation site with auxiliary body, and miniature parts can carry out pressure assembling by small-sized aux. pressure machine, There is large increase for the uniformity of product, reduce the labor intensity of assembler, have large increase for production efficiency.
Brief description of the drawings
Fig. 1 is a kind of structural representation of assembly machine of the present invention;
Fig. 2 is a kind of auxiliary feeding mechanism structure diagram of assembly machine of the present invention;
Fig. 3 is the movement of each axle and the rotating mechanism structure diagram of a kind of assembly machine of the present invention;
In figure, 1, base;2nd, hydraulic beaming;3rd, auxiliary hydraulic cylinder;4th, lift cylinder mounting hole;5th, lift cylinder;6th, carry Rise installing frame;7th, Z axis slew gear;8th, mounting post;9th, X-axis travel mechanism;10th, X-axis installing frame;11st, Y-axis electric rotating machine;12、 Y-axis turntable;13rd, equipment master press-fits hydraulic cylinder mounting hole;14th, the professional cylinder pressure of the main pressure of equipment;15th, mould is alternatively assembled;16、 Controller;17th, foundation bolt;18th, post is linked;19th, both-end synchronous rotation motor;20th, free revoliving arm;21st, hydraulic cylinder;22、 Support plate;23rd, locking device;The 24th, pin-and-hole is installed;25th, dowel special;26th, alignment sensor;27th, casing is measured;28th, measure Flexible linear electric motors;29th, Infrared measuring devices;30th, PLC control system;31st, capacitance touch screen;32nd, master control is switched.
Embodiment
The present invention is specifically described below in conjunction with the accompanying drawings, as Figure 1-3, a kind of assembly machine, including base (1), The base (1) is fixedly mounted on the ground, is provided with above the base (1) under hydraulic beaming (2), the hydraulic beaming (2) Auxiliary hydraulic cylinder (3), hydraulic beaming (2) the lower surface other end and bottom are provided between surface one end and base (1) upper surface Feed mechanism is provided between seat (1) upper surface, the feed mechanism is by being opened on hydraulic beaming (2) and insertion hydraulic beaming (2) Upper and lower surface lift cylinder mounting hole (4), be fixedly mounted on hydraulic beaming (2) and its telescopic end be inserted into lift cylinder installation Lift cylinder (5) in hole (4), the erection & lift frame (6) of lift cylinder (5) telescopic end is fixedly set in, is fixedly mounted on and carries Rise installing frame (6) lower end Z axis slew gear (7), be fixedly connected with Z axis slew gear (7) round end mounting post (8), consolidate Dingan County in the mounting post (8) and with the orthogonal X-axis travel mechanism of mounting post (8) (9), be fixedly mounted on X-axis moving machine It is X-axis installing frame (10) on structure (9) telescopic end, the Y-axis electric rotating machine (11) for being fixedly mounted on X-axis installing frame (10) one end, solid Y-axis rotary disk (12) of the Dingan County on Y-axis electric rotating machine (11) round end end face is collectively formed, base (1) upper table Face is provided with auxiliary feeding mechanism, and hydraulic beaming (2) center press-fits hydraulic cylinder mounting hole (13), the liquid provided with equipment master Pressure upper beam (2) center press-fits hydraulic cylinder (14) provided with being installed with equipment master, and the equipment master press-fits stretching for hydraulic cylinder (14) Contracting end press-fits hydraulic cylinder mounting hole (13) by equipment master and extended downwardly from below hydraulic beaming (2), and the equipment master press-fits hydraulic pressure The end face of cylinder (14) telescopic end is provided with replaceable assembling mould (15), and hydraulic beaming (2) outer surface is provided with auxiliary Measuring mechanism, base (1) outer surface be provided with controller (16), the controller (16) respectively with auxiliary hydraulic cylinder (3), feed mechanism, auxiliary feeding mechanism, equipment master press-fit hydraulic cylinder (14), subsidiary mechanism and are electrically connected with;The base (1) it is fixedly mounted on the ground by foundation bolt (17);The auxiliary feeding mechanism by be fixedly mounted on base (1) and with The orthogonal link post (18) in base (1) upper surface, the both-end synchronous rotation motor for being fixedly mounted on link post (18) upper end (19) free revoliving arm (20) that, one end is fixedly connected with two round ends of both-end synchronous rotation motor (19), positioned at freedom Revoliving arm (20) other end and with free revoliving arm (20) orthogonal hydraulic cylinder (21), be fixedly mounted on hydraulic cylinder (21) and stretch Support plate (22) on contracting end, it is fixedly mounted on what the locking device (23) of hydraulic cylinder (21) upper surface was collectively formed;The Y-axis Rotary disk (12) surface is provided with multiple installation pin-and-holes (24);It is described it is each install pin-and-hole (24) be provided with its match it is special Pin (25);Installation alignment sensor (26) is embedded with Y-axis rotary disk (12) surface;The subsidiary mechanism is by one Measurement casing (27) that outer surface is fixedly mounted on hydraulic beaming (2) side surface, it is fixedly mounted in measurement casing (27) Measurement stretch linear electric motors (28), the Infrared measuring devices that are fixedly mounted on flexible linear electric motors (28) telescopic end of measurement (29) collectively form;The Z axis slew gear (7) is rotation driving servomotor;The X-axis travel mechanism (9) is straight line Drive servomotor;PLC control system (30) is provided with the controller (16), controller (16) outer surface is provided with electric capacity Touch-screen (31) and master control switch (32).
The characteristics of the present embodiment is, a kind of assembly machine, including base, and base is fixedly mounted on the ground, above base Provided with hydraulic beaming, auxiliary hydraulic cylinder, hydraulic beaming lower surface are provided between hydraulic beaming lower surface one end and base upper surface Feed mechanism is provided between the other end and base upper surface, feed mechanism is by being opened on hydraulic beaming and above and below insertion hydraulic beaming Surfaced lift oil cylinder mounting hole, it is fixedly mounted on hydraulic beaming and its telescopic end is inserted into lifting in lift cylinder mounting hole Oil cylinder, the erection & lift frame for being fixedly set in lift cylinder telescopic end, the Z axis revolution for being fixedly mounted on erection & lift frame lower end Mechanism, the mounting post being fixedly connected with Z axis slew gear round end, it is fixedly mounted in mounting post and is mutually perpendicular to mounting post X-axis travel mechanism, be fixedly mounted on X-axis travel mechanism telescopic end X-axis installing frame, be fixedly mounted on X-axis installing frame one The Y-axis electric rotating machine at end, the Y-axis rotary disk being fixedly mounted on Y-axis electric rotating machine round end end face are collectively formed, on base Surface is provided with auxiliary feeding mechanism, and hydraulic beaming center press-fits hydraulic cylinder mounting hole provided with equipment master, and hydraulic beaming center is set It is installed with equipment master and press-fits hydraulic cylinder, the telescopic end that equipment master press-fits hydraulic cylinder press-fits hydraulic cylinder installation by equipment master Hole is extended downwardly from below hydraulic beaming, and equipment master press-fits the end face at hydraulic cylinder extension end provided with replaceable assembling mould, hydraulic pressure Upper beam outer surface be provided with subsidiary mechanism, chassis outer side surface be provided with controller, controller respectively with auxiliary hydraulic pressure Cylinder, feed mechanism, auxiliary feeding mechanism, equipment master press-fit hydraulic cylinder, subsidiary mechanism and are electrically connected with.Existing lifting is solved to set Standby dumb, the upset positioning of workpiece and delivering to press-fits that position is more convenient more easily to be operated in assembling, makes the workpiece one of assembling Cause property more preferably, in middle-size and small-size pressure assembled, and multiple degrees of freedom, which is accurately positioned, to be press-fited by this equipment application, and assembling main body four sides is only overturn Install, can be carried out being carried to installation site with auxiliary body for the artificial part for carrying weight, miniature parts can be by small-sized Aux. pressure machine carries out pressure assembling, has large increase for the uniformity of product, reduces the labor intensity of assembler, right There is large increase in production efficiency.
In the present embodiment, this assembly machine completes big portion using the post of two beam two as agent structure with main press Partial pressure component works, and outfit elevating mechanism of living alone enables workpiece body effectively freely up and down to be moved in Z axis, rises simultaneously Descending mechanism can be rotated along Z axis, and workpiece is moved to work by the slew gear installed in Z axis by carrying out the movement of X-direction Position, being in the rotary disk of Y-axis makes workpiece freely four sides assembling, and accurately positioning, and main press and operator is completed assembling Work, operator will need the body assembled to be arranged on Y-axis rotary disk, and plug dowel special, can be true by sensor Determine whether body firmly installs, wherein rotary disk can be with lift cylinder, and workpiece, which is promoted to, needs height, relatively accurate Regulation also can complete fine setting by programme-control raised position.Wherein lifting device, can be according to the workpiece mounting surface to be assembled The position that revolution is moved to needs is carried out, workpiece is placed on auxiliary by big part (artificial to carry what is had any problem) with crane gear in this way Feed mechanism is helped, the part that will be filled by auxiliary feeding mechanism delivers to installation site, needs height is promoted to again and by returning The position for preparing assembling is gone to, the lifting device slew gear of Z axis, mechanism last time rotating disk extend out to setting and press-fits position, and X-axis is stretched The press-loading apparatus of the replaceable setting of upper push-down head gone out in mechanism, can adjust hoisting mechanism and fall after rise to the specified altitude assignment of needs, When main cylinder pressure contacts workpiece, lift cylinder is driven to press-fiting position, and master cylinder, which continues traveling downwardly completion and press-fits more than workpiece, to work Can be by setting program to be produced in batches.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art Some of which part may be made some variation embodies the present invention principle, belong to protection scope of the present invention it It is interior.

Claims (10)

1. a kind of assembly machine, including base (1), it is characterised in that the base (1) is fixedly mounted on the ground, the base (1) top is provided between hydraulic beaming (2), described hydraulic beaming (2) lower surface one end and base (1) upper surface provided with auxiliary liquid Cylinder pressure (3), is provided with feed mechanism, the feeder between hydraulic beaming (2) the lower surface other end and base (1) upper surface Structure by be opened on hydraulic beaming (2) and insertion hydraulic beaming (2) upper and lower surface lift cylinder mounting hole (4), be fixedly mounted on On hydraulic beaming (2) and lift cylinder (5) that its telescopic end is inserted into lift cylinder mounting hole (4), it is fixedly set in lifting The erection & lift frame (6) of oil cylinder (5) telescopic end, the Z axis slew gear (7) and Z for being fixedly mounted on erection & lift frame (6) lower end Mounting post (8) that axle slew gear (7) round end is fixedly connected, be fixedly mounted in mounting post (8) and with mounting post (8) mutually Vertical X-axis travel mechanism (9), the X-axis installing frame (10) being fixedly mounted on X-axis travel mechanism (9) telescopic end, it is fixedly mounted Y-axis electric rotating machine (11) in X-axis installing frame (10) one end, the Y being fixedly mounted on Y-axis electric rotating machine (11) round end end face Axle rotary disk (12) is collectively formed, and base (1) upper surface is provided with auxiliary feeding mechanism, hydraulic beaming (2) center Place press-fits hydraulic cylinder mounting hole (13) provided with equipment master, and hydraulic beaming (2) center, which is provided with, to be installed with equipment master and press-fit Hydraulic cylinder (14), the telescopic end that the equipment master press-fits hydraulic cylinder (14) press-fits hydraulic cylinder mounting hole (13) downwards by equipment master Stretch out below hydraulic beaming (2), the equipment master press-fits the end face of hydraulic cylinder (14) telescopic end provided with replaceable assembling mould (15), hydraulic beaming (2) outer surface is provided with subsidiary mechanism, and base (1) outer surface is provided with control Device (16), the controller (16) press-fits hydraulic pressure with auxiliary hydraulic cylinder (3), feed mechanism, auxiliary feeding mechanism, equipment master respectively Cylinder (14), subsidiary mechanism are electrically connected with.
2. a kind of assembly machine according to claim 1, it is characterised in that the base (1) is solid by foundation bolt (17) Dingan County is filled on the ground.
3. a kind of assembly machine according to claim 1, it is characterised in that the auxiliary feeding mechanism is by being fixedly mounted on bottom Seat (1) on and with base (1) upper surface it is orthogonal link post (18), be fixedly mounted on link post (18) upper end both-end it is same The free revoliving arm that step electric rotating machine (19), one end are fixedly connected with two round ends of both-end synchronous rotation motor (19) (20), positioned at free revoliving arm (20) other end and with free revoliving arm (20) orthogonal hydraulic cylinder (21), be fixedly mounted Support plate (22) on hydraulic cylinder (21) telescopic end, the locking device (23) for being fixedly mounted on hydraulic cylinder (21) upper surface are common Constitute.
4. a kind of assembly machine according to claim 1, it is characterised in that Y-axis rotary disk (12) surface is provided with more Individual installation pin-and-hole (24).
5. a kind of assembly machine according to claim 4, it is characterised in that each installation pin-and-hole (24) is provided with and its phase The dowel special (25) of matching.
6. a kind of assembly machine according to claim 1, it is characterised in that be embedded with Y-axis rotary disk (12) surface Alignment sensor (26) is installed.
7. a kind of assembly machine according to claim 1, it is characterised in that the subsidiary mechanism is consolidated by an outer surface Dingan County is mounted in the measurement casing (27) on hydraulic beaming (2) side surface, the measurement being fixedly mounted in measurement casing (27) and stretched Linear electric motors (28), the Infrared measuring devices (29) being fixedly mounted on flexible linear electric motors (28) telescopic end of measurement are collectively formed 's.
8. a kind of assembly machine according to claim 1, it is characterised in that the Z axis slew gear (7) is watched for rotation driving Take motor.
9. a kind of assembly machine according to claim 1, it is characterised in that the X-axis travel mechanism (9) is watched for linear drives Take motor.
10. a kind of assembly machine according to claim 1, it is characterised in that control system provided with PLC in the controller (16) Unite (30), controller (16) outer surface is provided with capacitance touch screen (31) and master control switch (32).
CN201610264598.4A 2016-04-27 2016-04-27 A kind of assembly machine Active CN105834722B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610264598.4A CN105834722B (en) 2016-04-27 2016-04-27 A kind of assembly machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610264598.4A CN105834722B (en) 2016-04-27 2016-04-27 A kind of assembly machine

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CN105834722A CN105834722A (en) 2016-08-10
CN105834722B true CN105834722B (en) 2017-10-10

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109333037B (en) * 2018-11-09 2024-03-22 安徽好运机械有限公司 High-efficient pressure equipment device of fork truck transaxle
CN110549102B (en) * 2019-09-11 2020-11-03 荆州市水韵水务设备有限公司 Automatic assembly device for wet water meter

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0326868A3 (en) * 1988-01-30 1991-03-13 Umformtechnik ERFURT GmbH Hydraulic press
CN201026561Y (en) * 2007-03-20 2008-02-27 永城煤电集团有限责任公司 Hydraulic pressure type bearing disassembly and assembly machine for maintaining supporting roller
CN201565763U (en) * 2009-11-06 2010-09-01 湖北汽车工业学院 Multi-head parallel press-mounting machine for footstep bearing or shaft sleeve
CN202129611U (en) * 2011-06-24 2012-02-01 浙江金刚汽车有限公司 Bearing press mounting machine
CN102581592A (en) * 2012-03-26 2012-07-18 无锡华联科技集团有限公司 Girder displacement adjusting device for longitudinals installation machine
CN103276508A (en) * 2013-06-19 2013-09-04 镇江东艺机械有限公司 Water-jet loom nozzle cluster net disassembly machine
CN104028999A (en) * 2014-06-30 2014-09-10 长城汽车股份有限公司 Pressing machine for liner
CN105382518A (en) * 2015-12-24 2016-03-09 成都铁马机车车辆实业有限公司 Electric full-suspension wheel set force-transfer pin disassembling device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0326868A3 (en) * 1988-01-30 1991-03-13 Umformtechnik ERFURT GmbH Hydraulic press
CN201026561Y (en) * 2007-03-20 2008-02-27 永城煤电集团有限责任公司 Hydraulic pressure type bearing disassembly and assembly machine for maintaining supporting roller
CN201565763U (en) * 2009-11-06 2010-09-01 湖北汽车工业学院 Multi-head parallel press-mounting machine for footstep bearing or shaft sleeve
CN202129611U (en) * 2011-06-24 2012-02-01 浙江金刚汽车有限公司 Bearing press mounting machine
CN102581592A (en) * 2012-03-26 2012-07-18 无锡华联科技集团有限公司 Girder displacement adjusting device for longitudinals installation machine
CN103276508A (en) * 2013-06-19 2013-09-04 镇江东艺机械有限公司 Water-jet loom nozzle cluster net disassembly machine
CN104028999A (en) * 2014-06-30 2014-09-10 长城汽车股份有限公司 Pressing machine for liner
CN105382518A (en) * 2015-12-24 2016-03-09 成都铁马机车车辆实业有限公司 Electric full-suspension wheel set force-transfer pin disassembling device

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