CN106112618A - A kind of workpiece side hold down gag - Google Patents

A kind of workpiece side hold down gag Download PDF

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Publication number
CN106112618A
CN106112618A CN201610577162.0A CN201610577162A CN106112618A CN 106112618 A CN106112618 A CN 106112618A CN 201610577162 A CN201610577162 A CN 201610577162A CN 106112618 A CN106112618 A CN 106112618A
Authority
CN
China
Prior art keywords
briquetting
lever
pull bar
draw
guide pin
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.)
Pending
Application number
CN201610577162.0A
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Chinese (zh)
Inventor
邱洪波
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.)
Tongxiang Guardian Applied Technology Research Institute Co Ltd
Original Assignee
Tongxiang Guardian Applied Technology Research Institute Co Ltd
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 Tongxiang Guardian Applied Technology Research Institute Co Ltd filed Critical Tongxiang Guardian Applied Technology Research Institute Co Ltd
Priority to CN201610577162.0A priority Critical patent/CN106112618A/en
Publication of CN106112618A publication Critical patent/CN106112618A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/04Work clamping means using fluid means or a vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The present invention provides a kind of workpiece side hold down gag, belongs to Machining Technology field.It includes balanced lever, left lever, right pull bar, left briquetting, right briquetting, the piston-rod lower end driving cylinder inserts in the first draw-in groove, and it is hinged by supporting shaft and balanced lever, left briquetting can slide up and down the upper end being arranged on left lever, left stage clip is arranged between left briquetting and left boss, left briquetting can slide up and down and be arranged on left supporting guide pin bushing, left draw-in groove is inserted in the lower end of left lever and the left end by left bearing pin and balanced lever is hinged, the middle-end of right pull bar is provided with right boss, right briquetting can slide up and down the upper end being arranged on right pull bar, right stage clip is arranged between right briquetting and right boss, right briquetting can slide up and down and be arranged on right supporting guide pin bushing, right draw-in groove is inserted in the lower end of right pull bar and the right-hand member by right bearing pin and balanced lever is hinged.The present invention realizes workpiece two side compression, and both sides thrust is identical, rational in infrastructure, good reliability.

Description

A kind of workpiece side hold down gag
Technical field
The present invention relates to Machining Technology field, particularly to a kind of workpiece side hold down gag.
Background technology
Machining refers to the process being changed overall dimensions or the performance of workpiece by a kind of plant equipment.By adding Difference in work mode can be divided into machining and pressure processing.In process of production, every change produces the shape of object, chi Very little, position and character etc. so that it is the process becoming finished product or semi-finished product is referred to as technical process.It is the main portion of production process Point.Technical process can be divided into again the technical processs such as casting, forging, punching press, welding, machining, assembling, manufacturing technology mistake Journey generally refers to the machining work process of part and the summation of the assembling technology procedure of machine, and other processes are then referred to as auxiliary Process, such as transport, take care of, power supply, maintenance of equipment etc..Technical process is again by one or several tactic works Sequence composition, an operation is formed by by several work steps.In mechanical processing process, it is often required to use all kinds of fixture, fixture It is to be used for fixing processing object during machine-building, is allowed to occupy correct position, to accept construction or the device of detection.Often The both sides of workpiece are usually compressed by the workpiece work in-process seen by briquetting, but the pressure that current fixture is to workpiece both sides Differing often occurs in clamp force, and affects work pieces process.
Summary of the invention
It is an object of the invention to provide a kind of workpiece side hold down gag, it is achieved to workpiece two side compression, both sides thrust phase With, rational in infrastructure, good reliability.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of workpiece side hold down gag, it include support plinth, frame, trip bolt, driving cylinder, supporting shaft, left bearing pin, Right bearing pin, balanced lever, left lever, right pull bar, left stage clip, right stage clip, left supporting guide pin bushing, right supporting guide pin bushing, left briquetting, right pressure Block, left pressure pad, right pressure pad, described frame is arranged on support plinth by trip bolt, described driving cylinder include cylinder body and Piston rod, described cylinder body is fixed in frame, and the middle-end of described balanced lever is provided with the first draw-in groove, the two of described balanced lever End is provided with left draw-in groove and right draw-in groove, and the piston-rod lower end of described driving cylinder inserts in the first draw-in groove, and passes through supporting shaft Hinged with balanced lever, described left supporting guide pin bushing is vertically installed on the left of frame, and the middle-end of described left lever is provided with left boss, Described left briquetting can slide up and down the upper end being arranged on left lever, and described left stage clip is arranged between left briquetting and left boss, institute State the threaded upper ends of left lever to connect and have locking nut, described left briquetting to slide up and down to be arranged on left supporting guide pin bushing, described Left draw-in groove is inserted in the lower end of left lever and the left end by left bearing pin and balanced lever is hinged, and described right supporting guide pin bushing is vertically-mounted On the right side of frame, the middle-end of described right pull bar is provided with right boss, and described right briquetting can slide up and down and be arranged on right pull bar Upper end, described right stage clip is arranged between right briquetting and right boss, and the threaded upper ends of described right pull bar connects locking nut, institute State right briquetting to slide up and down and be arranged on right supporting guide pin bushing, the lower end of described right pull bar insert right draw-in groove and by right bearing pin with The right-hand member of balanced lever is hinged, and described left pressure pad is arranged on left briquetting, and described right pressure pad is arranged on right briquetting.
Further, described left supporting guide pin bushing and right supporting guide pin bushing are both provided with supporting chuck.
Further, the locking nut quantity described left lever and right pull bar connected is two.
Compared to the prior art the present invention, has the following advantages and effect: driving cylinder action, piston rod passes through balance bar Bar drives left lever and right pull bar to move downward, and left lever and right pull bar drive left briquetting and right briquetting to move downward, left pressure pad The compression to workpiece is realized with right pressure pad.When the thrust at workpiece two ends is unequal, balanced lever will turn around supporting shaft It is dynamic, until left pressure pad is identical with right pressure pad thrust.After work pieces process completes, piston rod drives balanced lever upwards to transport Dynamic, workpiece is unclamped by left pressure pad and right pressure pad.It is both provided with on left supporting guide pin bushing and right supporting guide pin bushing supporting chuck, improves a left side Supporting guide pin bushing and the stability of right supporting guide pin bushing, the most left briquetting and the upper and lower easy motion of right briquetting.Institute's pull bar and right pull bar The locking nut quantity of upper connection is two, is conducive to left briquetting and the locking of right briquetting, effective.The present invention realizes right Workpiece two side compression, both sides thrust is identical, rational in infrastructure, good reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure: 1. support plinth, 2. frame, 3. trip bolt, 4. drive cylinder, 5. supporting shaft, the most left bearing pin, the 7. right side Bearing pin, 8. balanced lever, 9. left lever, the rightest pull bar, 11. left stage clips, 12. right stage clips, 13. left supporting guide pin bushings, 14. right Hold guide pin bushing, 15. left briquettings, 16. right briquettings, 17. left pressure pads, 18. right pressure pads, 19. cylinder bodies, 20. piston rods, 21. first draw-in grooves, 22. left draw-in grooves, 23. right draw-in grooves, 24. left boss, 25. right boss, 26. supporting chuck, 27. locking nuts.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are to this Bright explanation and the invention is not limited in following example.
As it is shown in figure 1, a kind of workpiece side hold down gag, it includes support plinth 1, frame 2, trip bolt 3, drives cylinder 4, supporting shaft 5, left bearing pin 6, right bearing pin 7, balanced lever 8, left lever 9, right pull bar 10, left stage clip 11, right stage clip 12, a left side Holding guide pin bushing 13, right supporting guide pin bushing 14, left briquetting 15, right briquetting 16, left pressure pad 17, right pressure pad 18, described frame 2 is by fastening spiral shell Nail 3 is arranged on support plinth 1, and described driving cylinder 4 includes that cylinder body 19 and piston rod 20, described cylinder body 19 are fixed on frame 2 In, the middle-end of described balanced lever 8 is provided with the first draw-in groove 21, and the two ends of described balanced lever 8 are provided with left draw-in groove 22 and the right side Draw-in groove 23.Piston rod 20 lower end of described driving cylinder 4 is inserted in the first draw-in groove 21, and by supporting shaft 5 and balanced lever 8 Hinged.Described left supporting guide pin bushing 13 is vertically installed on the left of frame 2, and the middle-end of described left lever 9 is provided with left boss 24, described Left briquetting 15 can slide up and down the upper end being arranged on left lever 9, described left stage clip 11 be arranged on left briquetting 15 and left boss 24 it Between, the threaded upper ends of described left lever 9 connects to be had locking nut 27, described left briquetting 15 to slide up and down to be arranged on left supporting and lead On set 13, left draw-in groove 22 is inserted in the lower end of described left lever 9 and the left end by left bearing pin 6 and balanced lever 8 is hinged.The described right side Supporting guide pin bushing 14 is vertically installed at the right side of frame 2, and the middle-end of described right pull bar 10 is provided with right boss 25, described right briquetting 16 Can slide up and down the upper end being arranged on right pull bar 10, described right stage clip 12 is arranged between right briquetting 16 and right boss 25, described The threaded upper ends of right pull bar 10 connects has locking nut 27, described right briquetting 16 can slide up and down and be arranged on right supporting guide pin bushing 14 On, the lower end of described right pull bar 10 inserts right draw-in groove 23 and the right-hand member by right bearing pin 7 and balanced lever 8 is hinged, described left pressure Pad 17 is arranged on left briquetting 15, and described right pressure pad 18 is arranged on right briquetting 16.Described left supporting guide pin bushing 13 and right supporting are led It is both provided with on set 14 supporting chuck 26, improves left supporting guide pin bushing 13 and the stability of right supporting guide pin bushing 14, the most left pressure Block 15 and right briquetting about 16 easy motion.Locking nut 27 quantity connected on described left lever 9 and right pull bar 10 is two Individual, be conducive to left briquetting 15 and the locking of right briquetting 16, effective.
By technique scheme, when one workpiece side hold down gag of the present invention uses, drive cylinder 4 action, piston rod 20 drive left lever 9 and right pull bar 10 to move downward by balanced lever 8, and left lever 9 and right pull bar 10 drive left briquetting 15 He Right briquetting 16 moves downward, and left pressure pad 17 and right pressure pad 18 realize the compression to workpiece.When the thrust at workpiece two ends is unequal Time, balanced lever 8 will rotate around supporting shaft 5, until left pressure pad 17 is identical with right pressure pad 18 thrust.When workpiece adds After work completes, piston rod 20 drives balanced lever 8 to move upward, and workpiece is unclamped by left pressure pad 17 and right pressure pad 18.The present invention is real Now to workpiece two side compression, both sides thrust is identical, rational in infrastructure, good reliability.
Above content described in this specification is only illustration made for the present invention.Technology belonging to the present invention Described specific embodiment can be made various amendment or supplements or use similar mode by the technical staff in field Substitute, without departing from the content of description of the invention or surmount scope defined in the claims, all should be belonged to this The protection domain of invention.

Claims (3)

1. a workpiece side hold down gag, it is characterised in that: it includes support plinth, frame, trip bolt, driving cylinder, props up Consign axle, left bearing pin, right bearing pin, balanced lever, left lever, right pull bar, left stage clip, right stage clip, left supporting guide pin bushing, right supporting is led Set, left briquetting, right briquetting, left pressure pad, right pressure pad, described frame is arranged on support plinth by trip bolt, described driving Cylinder includes that cylinder body and piston rod, described cylinder body are fixed in frame, and the middle-end of described balanced lever is provided with the first draw-in groove, institute The two ends stating balanced lever are provided with left draw-in groove and right draw-in groove, and the piston-rod lower end of described driving cylinder inserts in the first draw-in groove, And hinged by supporting shaft and balanced lever, described left supporting guide pin bushing is vertically installed on the left of frame, in described left lever End is provided with left boss, and described left briquetting can slide up and down the upper end being arranged on left lever, and described left stage clip is arranged on left briquetting With between left boss, the threaded upper ends of described left lever connects has locking nut, described left briquetting can slide up and down and be arranged on a left side On supporting guide pin bushing, the lower end of described left lever inserts left draw-in groove and the left end by left bearing pin and balanced lever is hinged, the described right side Supporting guide pin bushing is vertically installed at the right side of frame, and the middle-end of described right pull bar is provided with right boss, and described right briquetting can go up downslide The dynamic upper end being arranged on right pull bar, described right stage clip is arranged between right briquetting and right boss, the threaded upper ends of described right pull bar Connecting and have locking nut, described right briquetting to slide up and down to be arranged on right supporting guide pin bushing, the right side is inserted in the lower end of described right pull bar Draw-in groove the right-hand member by right bearing pin and balanced lever are hinged, and described left pressure pad is arranged on left briquetting, and described right pressure pad is installed On right briquetting.
A kind of workpiece side hold down gag the most according to claim 1, it is characterised in that: described left supporting guide pin bushing and right supporting It is both provided with on guide pin bushing supporting chuck.
A kind of workpiece side hold down gag the most according to claim 1, it is characterised in that: connect on described left lever and right pull bar The locking nut quantity connect is two.
CN201610577162.0A 2016-07-21 2016-07-21 A kind of workpiece side hold down gag Pending CN106112618A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610577162.0A CN106112618A (en) 2016-07-21 2016-07-21 A kind of workpiece side hold down gag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610577162.0A CN106112618A (en) 2016-07-21 2016-07-21 A kind of workpiece side hold down gag

Publications (1)

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CN106112618A true CN106112618A (en) 2016-11-16

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107263168A (en) * 2017-06-27 2017-10-20 鹰普(中国)有限公司 A kind of balanced pressing device of hydraulic floating formula
CN107825195A (en) * 2017-12-15 2018-03-23 浙江青霄科技股份有限公司 Novel pneumatic fixture
CN107877225A (en) * 2017-12-15 2018-04-06 浙江青霄科技股份有限公司 Special pneumatic fixture
CN108296829A (en) * 2018-03-15 2018-07-20 合肥达因汽车空调有限公司 A kind of fixture for the processing of automobile air conditioner compressor rear cover
CN110645243A (en) * 2018-06-27 2020-01-03 大族激光科技产业集团股份有限公司 Pressing device
CN112475989A (en) * 2020-11-13 2021-03-12 任世林 Floating pressing mechanism for machining clamping workpiece
CN113021042A (en) * 2021-03-26 2021-06-25 中航飞机起落架有限责任公司 Lever balance tensioning clamp and using method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1007900A1 (en) * 1980-06-09 1983-03-30 Горьковский Автомобильный Завод Self-centering clamping device
CN203650319U (en) * 2013-11-25 2014-06-18 重庆盾铭电磁阀有限公司 Clamping device with balance arm
CN104325317A (en) * 2014-10-09 2015-02-04 常州西夏墅工具产业创业服务中心 Single-piece linkage clamping mechanism
CN105522418A (en) * 2014-09-30 2016-04-27 洛阳拖研动力科技有限公司 Groove milling clamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1007900A1 (en) * 1980-06-09 1983-03-30 Горьковский Автомобильный Завод Self-centering clamping device
CN203650319U (en) * 2013-11-25 2014-06-18 重庆盾铭电磁阀有限公司 Clamping device with balance arm
CN105522418A (en) * 2014-09-30 2016-04-27 洛阳拖研动力科技有限公司 Groove milling clamp
CN104325317A (en) * 2014-10-09 2015-02-04 常州西夏墅工具产业创业服务中心 Single-piece linkage clamping mechanism

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
何祖舜等: "《机械设计与工艺手册》", 31 October 1989 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107263168A (en) * 2017-06-27 2017-10-20 鹰普(中国)有限公司 A kind of balanced pressing device of hydraulic floating formula
CN107825195A (en) * 2017-12-15 2018-03-23 浙江青霄科技股份有限公司 Novel pneumatic fixture
CN107877225A (en) * 2017-12-15 2018-04-06 浙江青霄科技股份有限公司 Special pneumatic fixture
CN108296829A (en) * 2018-03-15 2018-07-20 合肥达因汽车空调有限公司 A kind of fixture for the processing of automobile air conditioner compressor rear cover
CN110645243A (en) * 2018-06-27 2020-01-03 大族激光科技产业集团股份有限公司 Pressing device
CN110645243B (en) * 2018-06-27 2021-10-15 大族激光科技产业集团股份有限公司 Pressing device
CN112475989A (en) * 2020-11-13 2021-03-12 任世林 Floating pressing mechanism for machining clamping workpiece
CN113021042A (en) * 2021-03-26 2021-06-25 中航飞机起落架有限责任公司 Lever balance tensioning clamp and using method thereof
CN113021042B (en) * 2021-03-26 2022-05-03 中航飞机起落架有限责任公司 Lever balance tensioning clamp and using method thereof

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Application publication date: 20161116

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