CN206779893U - A kind of gantry machining structure of heavy duty machine tools - Google Patents

A kind of gantry machining structure of heavy duty machine tools Download PDF

Info

Publication number
CN206779893U
CN206779893U CN201720365718.XU CN201720365718U CN206779893U CN 206779893 U CN206779893 U CN 206779893U CN 201720365718 U CN201720365718 U CN 201720365718U CN 206779893 U CN206779893 U CN 206779893U
Authority
CN
China
Prior art keywords
axis
slide block
axis slide
lifting slider
heavy duty
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720365718.XU
Other languages
Chinese (zh)
Inventor
龚创宁
张松涛
张传敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHUHAI KUNSON PRECISION MACHINERY CO Ltd
Zhuhai College of Jilin University
Original Assignee
ZHUHAI KUNSON PRECISION MACHINERY CO Ltd
Zhuhai College of Jilin University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHUHAI KUNSON PRECISION MACHINERY CO Ltd, Zhuhai College of Jilin University filed Critical ZHUHAI KUNSON PRECISION MACHINERY CO Ltd
Priority to CN201720365718.XU priority Critical patent/CN206779893U/en
Application granted granted Critical
Publication of CN206779893U publication Critical patent/CN206779893U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Machine Tool Units (AREA)

Abstract

The utility model discloses a kind of gantry machining structure of heavy duty machine tools, including Y-axis mobile device, and it includes base and the workbench being arranged on base;X-axis mobile device includes U-shaped portal frame and X-axis slide block, and portal frame is fixed on workbench, and X-axis slide block level is slidably connected to the top of portal frame;Z axis lowering or hoisting gear includes the lifting slider that vertical sliding is connected in X-axis slide block, is respectively fixed with hydraulic means on the both sides of X-axis slide block, drive end is fixedly connected on lifting slider and drives lifting slider to be slided up and down along X-axis slide block.The utility model, hydraulic counterweight device, pressure counterweight and the Z axis similar weight of hydraulic means are provided with the both sides of X-axis slide block casting hollow out, the controller of pressure sensor and machine connects, pressure sensor detects signal output hydraulic coupling when Z axis moves, and mitigates motor load, reduces power consumption.Secondly X-axis slide block and Z axis lowering or hoisting gear are connected, improve the rigidity and stability of overall Z axis carriage.

Description

A kind of gantry machining structure of heavy duty machine tools
Technical field
It the utility model is related to Large-Scale Equipment manufacturing industry, and in particular to a kind of gantry machining structure of heavy duty machine tools.
Background technology
, will to the technical performance of large-sized gantry machining center with the fast development of the equipment manufactures such as Chinese large-sized lathe Ask and also improve constantly, home products machining accuracy is relatively low and unstable at present.Large-sized gantry machining center is because volume is big, weight Weight, so it is difficult to ensure that the high rigidity of lathe, high accuracy in design process.
Big to solve large-sized gantry machining center volume, the problem of weight weight, prior art is typically to turn round head with big Square servomotor drives plus the belt pulley set of big ratio, also has setting balancing weight, makes head consistent with the weight of balancing weight, machine Head is connected by some counterweight driving chains being driven again with balancing weight, then is connected by counterweight driving chain and leading block Connect.Also some Z axles carriages of the prior art are slided using hard rail, but the frictional force of hard rail is big, causes Z axis horse The load reached is big, and movement velocity is slow, and the guide pass of hard rail can wear, and fraction time is grown, and precision can slowly lose, and this is The drawbacks of maximum.
In summary, need a kind of movement velocity high at present, stability is good, and machine is in processing or moving process middle fuselage knot Structure will not deform, the high new gantry machining structure of machining accuracy.
Utility model content
Technical problem to be solved in the utility model be existing large-sized gantry machining center because volume is big, weight Weight, it is difficult to ensure that the high rigidity of lathe, high-precision problem.
In order to solve the above-mentioned technical problem, technical scheme is to provide a kind of dragon of heavy duty machine tools used by the utility model Door processing structure, including:
Y-axis mobile device, it includes base and the workbench being arranged on the base, and the driving water is smoothly dynamic to be connected It is connected on the base;
X-axis mobile device, it includes U-shaped portal frame and X-axis slide block, and the top of the portal frame is in crossbeam shape, institute State portal frame to be fixed on the workbench, the X-axis slide block level is slidably connected to the top of the portal frame, and the X The moving direction of axle sliding block and the workbench is mutually perpendicular to;
Z axis lowering or hoisting gear, it includes the lifting slider that vertical sliding is connected in the X-axis slide block, the X-axis slide block Hydraulic means is respectively fixed with both sides, vertical sliding is provided with drive end on the hydraulic means, and the drive end is fixedly connected In on the lifting slider and driving the lifting slider to be slided up and down along the X-axis slide block.
In such scheme, Z axis motor, output end and the hydraulic pressure of the Z axis motor are fixed with the X-axis slide block The drive end connection of device, the lower end of the lifting slider are vertically arranged with main shaft, and the Z axis motor connects rotation with main shaft simultaneously It is connected respectively with control system.
In such scheme, the both sides of the lifting slider are fixed with the linear slide rail arranged vertically, the X-axis respectively Sliding block is provided with the sliding groove being adapted to the linear slide rail, and the lifting slider is slideably positioned in institute by the linear slide rail State in X-axis slide block.
It is horizontal on the base to be provided with first straight line guide rail, the bottom clamping of the workbench and cunning in such scheme It is dynamic to be arranged on the first straight line guide rail.
In such scheme, second straight line guide rail, the X axles sliding block card are disposed with along the top horizontal of the portal frame Connect and be slideably positioned on the second straight line guide rail.
In such scheme, hydraulic support, the both sides of the hydraulic support are fixedly connected with the top of the lifting slider The upper end of a hydraulic pressure fixed seat is individually fixed in, the lower end of two hydraulic pressure fixed seats is individually fixed in the X-axis slide block Both sides.
In such scheme, 3 guide rail dollies, the guide rail dolly are provided with along being slided respectively on linear slide rail every described It is fixedly connected respectively with the X-axis slide block, the X-axis slide block is provided with 3 U type fixed blocks, and the lifting slider is arranged in institute State in the space that U-shaped fixed block is enclosed with the X-axis slide block.
In such scheme, the workbench, the X-axis slide block and the lifting slider pass through rolling lead screw and servo Motor drive connection.
In such scheme, the counterweight of the hydraulic means and the similar weight of the lifting slider, the hydraulic means It is interior to detect the output hydraulic pressure power of the hydraulic means provided with the pressure sensor being connected with control system, the pressure sensor, And adjust the movement velocity of the lifting slider.
The utility model in order to be mitigate Z axis servomotor load and improve Z axis movement velocity.Engraved in X axle sliding block casting Empty both sides are provided with hydraulic counterweight device, pressure counterweight and the Z axis similar weight of hydraulic means, the control of pressure sensor and machine Device connection processed, pressure sensor detects signal output hydraulic coupling when Z axis moves, and mitigates motor load, reduces power consumption, accelerates Z The movement velocity of axle.Secondly X axles sliding block and Z axis lowering or hoisting gear are connected, improve overall Z axis carriage rigidity and Stability, machine will not deform in processing or moving process middle fuselage structure, and machining accuracy will not change.
Brief description of the drawings
Fig. 1 is appearance schematic diagram of the present utility model;
Fig. 2 is the structural representation of X-axis mobile device in Fig. 1;
Fig. 3 is the structural representation of Y-axis mobile device in Fig. 1;
Fig. 4 is the structural representation of Z axis mobile device in Fig. 1;
Fig. 5 be Fig. 1 in Z axis mobile device combined with X-axis slide block after structural representation.
Embodiment
The utility model is described in detail with reference to Figure of description.
As shown in Figures 1 to 5, the gantry machining structure of a kind of heavy duty machine tools provided by the utility model, includes successively:Y Shaft moving device 1, X-axis mobile device 2 and Z axis lowering or hoisting gear 3.
Y-axis mobile device 1 includes base 101 and the workbench 102 that is arranged on base 101 respectively, horizontal on base 101 First straight line guide rail 103 is fixed with, the bottom clamping of workbench 102 is simultaneously slideably positioned on first straight line guide rail 103, work The motion of platform 102 is Y-axis motion.
X-axis mobile device 2 includes U-shaped portal frame 4 and X-axis slide block 5 respectively, and the top of portal frame 4 is in crossbeam shape, dragon Door frame 4 is fixed on workbench 102, and second straight line guide rail 201, the clamping of X-axis slide block 5 are disposed with along the top horizontal of portal frame 4 And be slideably positioned on second straight line guide rail 201, and the moving direction of X-axis slide block 5 and workbench 102 is mutually perpendicular to arrange, X-axis The motion of sliding block 5 is X-axis motion;
Z axis lowering or hoisting gear 3 includes vertical sliding and is connected to lifting slider 7 in X-axis slide block 5 respectively, and the two of lifting slider 7 Side is fixed with the linear slide rail 6 arranged vertically respectively, and X-axis slide block 5 is provided with the sliding groove being adapted to linear slide rail 6, lifting Sliding block 7 is slideably positioned in X-axis slide block 5 by linear slide rail 6.The top of lifting slider 7 is fixedly connected with hydraulic support 10, liquid The both sides of pressure support 10 are individually fixed in the upper end of a hydraulic pressure fixed seat 9, and the lower end of two hydraulic pressure fixed seats 9 is individually fixed in The both sides of X-axis slide block 5.Slided respectively along every linear slide rail 6 and be provided with 3 guide rail dollies, guide rail dolly respectively with X-axis slide block 5 are fixedly connected, and X-axis slide block 5 is provided with 3 U-shaped fixed blocks 12, and lifting slider 7 is arranged in U-shaped fixed block 12 and X-axis slide block 5 In the space enclosed.X axles sliding block and Z axis lowering or hoisting gear are connected.Improve the integral rigidity of Z axis lowering or hoisting gear and steady Qualitative, machine will not deform in processing or moving process middle fuselage structure, and machining accuracy will not change.
It is further preferred that hydraulic means 8 is respectively fixed with the both sides of X-axis slide block 5, vertical sliding on hydraulic means 8 Provided with drive end, drive end is fixedly connected on lifting slider 7 and drives lifting slider 7 to be slided up and down along X-axis slide block 5.X-axis Z axis motor 11 is fixed with sliding block 5, the output end of Z axis motor 11 is connected with the drive end of hydraulic means 8, lifting slider 7 Lower end is vertically arranged with main shaft 13, and Z axis motor 11 and the connection of main shaft 13 are rotated and be connected respectively with control system.
The counterweight of hydraulic means 8 in the utility model and the similar weight of lifting slider 7, be provided with hydraulic means 8 with The pressure sensor of control system connection, pressure sensor detects the output hydraulic pressure power of hydraulic means 8, and accordingly regulation lifting is slided The movement velocity of block 7, mitigate motor load, reduce power consumption.Workbench 102, X-axis slide block 5 and lifting slider 7 are by rolling silk Bar is connected with servo motor driven.
When the rapid increase of Z axis lifting slider 7 and decline, hydraulic means 8 is synchronous with it, and quick response, hydraulic pressure dress Put 8 to be controlled as hydraulic flow by the use of variable displacement motor and variable pump, connected with the closed-loop control system with feedback function.
The utility model in order to be mitigate Z axis servomotor load and improve Z axis movement velocity.Engraved in X axle sliding block casting Empty both sides are provided with hydraulic counterweight device, pressure counterweight and the Z axis similar weight of hydraulic means, the control of pressure sensor and machine Device connection processed, pressure sensor detects signal output hydraulic coupling when Z axis moves, and mitigates motor load, reduces power consumption, accelerates Z The movement velocity of axle.Secondly X axles sliding block and Z axis lowering or hoisting gear are connected, improve overall Z axis carriage rigidity and Stability, machine will not deform in processing or moving process middle fuselage structure, and machining accuracy will not change.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn that under enlightenment of the present utility model The structure change made, it is every that there is same or like technical scheme with the utility model, each fall within guarantor of the present utility model Within the scope of shield.

Claims (9)

  1. A kind of 1. gantry machining structure of heavy duty machine tools, it is characterised in that including:
    Y-axis mobile device, it includes base and the workbench being arranged on the base, and the driving water is flat to be slidably connected to On the base;
    X-axis mobile device, it includes U-shaped portal frame and X-axis slide block, and the top of the portal frame is in crossbeam shape, the dragon Door frame is fixed on the workbench, and the X-axis slide block level is slidably connected to the top of the portal frame, and the X-axis is slided The moving direction of block and the workbench is mutually perpendicular to;
    Z axis lowering or hoisting gear, it includes the lifting slider that vertical sliding is connected in the X-axis slide block, the both sides of the X-axis slide block On be respectively fixed with hydraulic means, vertical sliding is provided with drive end on the hydraulic means, and the drive end is fixedly connected on institute State on lifting slider and drive the lifting slider to be slided up and down along the X-axis slide block.
  2. 2. the gantry machining structure of heavy duty machine tools as claimed in claim 1, it is characterised in that be fixed with Z in the X-axis slide block Spindle motor, the output end of the Z axis motor are connected with the drive end of the hydraulic means, and the lower end of the lifting slider is set vertically Main shaft is equipped with, Z axis motor and the main shaft connection is rotated and is connected respectively with control system.
  3. 3. the gantry machining structure of heavy duty machine tools as claimed in claim 1, it is characterised in that the both sides of the lifting slider point The linear slide rail arranged vertically is not fixed with, and the X-axis slide block is provided with the sliding groove being adapted to the linear slide rail, described Lifting slider is slideably positioned in the X-axis slide block by the linear slide rail.
  4. 4. the gantry machining structure of heavy duty machine tools as claimed in claim 1, it is characterised in that horizontal on the base to be provided with the One line slideway, the bottom clamping of the workbench are simultaneously slideably positioned on the first straight line guide rail.
  5. 5. the gantry machining structure of heavy duty machine tools as claimed in claim 1, it is characterised in that along the top water of the portal frame Plain cloth is equipped with second straight line guide rail, and the X-axis slide block clamping is simultaneously slideably positioned on the second straight line guide rail.
  6. 6. the gantry machining structure of heavy duty machine tools as claimed in claim 1, it is characterised in that the top of the lifting slider is consolidated Surely hydraulic support is connected with, the both sides of the hydraulic support are individually fixed in the upper end of a hydraulic pressure fixed seat, two liquid The lower end of pressure fixed seat is individually fixed in the both sides of the X-axis slide block.
  7. 7. the gantry machining structure of heavy duty machine tools as claimed in claim 3, it is characterised in that along every described on linear slide rail Slide respectively and be provided with 3 guide rail dollies, the guide rail dolly is fixedly connected with the X-axis slide block, set in the X-axis slide block respectively There are 3 U-shaped fixed blocks, the lifting slider is arranged in the space that the U-shaped fixed block is enclosed with the X-axis slide block.
  8. 8. the gantry machining structure of heavy duty machine tools as claimed in claim 1, it is characterised in that the workbench, the X-axis are slided Block and the lifting slider are connected by rolling lead screw with servo motor driven.
  9. 9. the gantry machining structure of heavy duty machine tools as claimed in claim 1, it is characterised in that the counterweight of the hydraulic means with The similar weight of the lifting slider, the hydraulic means is interior to be provided with the pressure sensor being connected with control system, the pressure Sensor detects the output hydraulic pressure power of the hydraulic means, and adjusts the movement velocity of the lifting slider.
CN201720365718.XU 2017-04-07 2017-04-07 A kind of gantry machining structure of heavy duty machine tools Expired - Fee Related CN206779893U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720365718.XU CN206779893U (en) 2017-04-07 2017-04-07 A kind of gantry machining structure of heavy duty machine tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720365718.XU CN206779893U (en) 2017-04-07 2017-04-07 A kind of gantry machining structure of heavy duty machine tools

Publications (1)

Publication Number Publication Date
CN206779893U true CN206779893U (en) 2017-12-22

Family

ID=60706811

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720365718.XU Expired - Fee Related CN206779893U (en) 2017-04-07 2017-04-07 A kind of gantry machining structure of heavy duty machine tools

Country Status (1)

Country Link
CN (1) CN206779893U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110281029A (en) * 2019-07-24 2019-09-27 珠海市康信精密机械有限公司 The Z axis structure of gantry machining center

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110281029A (en) * 2019-07-24 2019-09-27 珠海市康信精密机械有限公司 The Z axis structure of gantry machining center

Similar Documents

Publication Publication Date Title
CN203955950U (en) The four axle stamping machine manipulators that arm load capacity is strong
CN201871792U (en) Nitrogen balancing system of numerical-control planer type milling machine
CN105834495B (en) A kind of weight balance device based on servomotor Synchronization Control
CN203236214U (en) Gantry-movable multifunctional numerically controlled drilling and milling machine
CN206241269U (en) Rapid chamfering device
CN206779893U (en) A kind of gantry machining structure of heavy duty machine tools
CN107671335A (en) Double independent driving gantry numerical control milling machines
CN107775362A (en) Hard rail formula gantry numerical control milling machine
CN206597930U (en) A kind of wave filter perforating device
CN206500871U (en) A kind of assembly system for cart walking mechanism chassis
CN210359055U (en) Nickel alloy steel plate forging machine tool
CN104875078A (en) Crossbeam-fixed type high-precision numerical control gantry machining center
CN208584341U (en) A kind of stone material continuous polishing machine
CN206241466U (en) A kind of laser engraving and dual-purpose engraving machine of drawing
CN203944883U (en) Large-scale three dimensional drilling machine three-dimensional adjustment platform mechanism
CN201565776U (en) Floor type milling-boring machine with planing bench
CN103978242B (en) Large three-dimensional drilling machine
CN103978253B (en) Large-scale three dimensional drilling machine three-dimensional adjustment platform mechanism
CN212240326U (en) Inner hole polishing machine tool
CN203875372U (en) Large-sized three-dimensional drilling machine
CN103406597B (en) Assembling and scraping method of spindle box square hole assembling and scraping device
CN208147801U (en) Parallel adjustable self-powered platform
CN207290730U (en) A kind of die changing mechanism
CN206484681U (en) A kind of numerically controlled lathe of lifting device for saw table of woodworking machine tool
CN211992232U (en) Guide bar type guide rail grinding machine with strong tensile stress

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171222

Termination date: 20180407

CF01 Termination of patent right due to non-payment of annual fee