CN105690157B - A kind of multi-purpose hydraulic flat tongs and its method of work - Google Patents

A kind of multi-purpose hydraulic flat tongs and its method of work Download PDF

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Publication number
CN105690157B
CN105690157B CN201610236207.8A CN201610236207A CN105690157B CN 105690157 B CN105690157 B CN 105690157B CN 201610236207 A CN201610236207 A CN 201610236207A CN 105690157 B CN105690157 B CN 105690157B
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China
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clamping screw
movable vise
screw
component
clamping
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CN105690157A (en
Inventor
王稳
郑勇
刘红月
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Dragon Totem Technology Hefei Co ltd
Hunan Yimou Intelligent Technology Co.,Ltd.
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Suzhou Chien Shiung Institute of Technology
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    • 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
    • B23Q3/082Work-clamping means other than mechanically-actuated hydraulically actuated

Abstract

The invention discloses a kind of multi-purpose hydraulic flat tongs, including fixed vice body, movable vise body component, center assembly of the plunger pump, pre- clamping screw and clamping screw;Described pre- clamping screw and clamping screw is moved by the rotation forces movable vise body component of itself with grips pincers, and the clamping of workpiece is realized by center assembly of the plunger pump.The method of work of multi-purpose hydraulic flat tongs of the present invention, by rotating pre- clamping screw, movable vise body reach;After power becomes big, detent pin dead spring, clamping screw continues to rotate, and promotes center plungers pump plunger to produce high-pressure oil, so as to promote two folder piston rod movements, realizes the clamping of workpiece;Meanwhile the present invention also has reasonable in design, simple and compact for structure, service life length, applied widely, production, operation are low with maintenance cost, the advantages that being easy to promote the use of.

Description

A kind of multi-purpose hydraulic flat tongs and its method of work
Technical field
The present invention relates to machining technology field, specially a kind of multi-purpose hydraulic flat tongs and its method of work.
Background technology
Flat-nose pliers also known as machine vice, it is a kind of universal fixturing, is usually used in that miniature workpiece is installed, it is milling machine, drilling machine Random annex, is fixed on platen, and machining is carried out for clamping workpiece.In machining, drilling, milling Cut, Cutter Body Processing with Machining Center part when, commonly use flat-nose pliers and clamp workpiece, but common flat-nose pliers will to the depth of parallelism of clamped workpiece Ask higher, can only often be fixedly clamped more regular workpiece, but when two faces of workpiece are not parallel(Namely what is often called abnormity Part), clamp workpiece built on the sand, so as to influence machining accuracy, or even can not process or produce security incident.
Chinese patent, Application No.:CN204053832U, a kind of hydraulic vice of settling sth. according to policy or law;The patent passes through in hollow rubber Hydraulic oil is injected in set makes rubber sleeve expansion to clamp tubing, and regulation hydraulic cylinder travel band movable slider clamps common part, due to master To be clamped by rubber sleeve expansion to realize, cause clamping force small, and the object of smooth surface can only be clamped, application compared with It is small.
Chinese patent, Application No.:CN203566522U, disclose a kind of production electric power pylon dedicated hydraulic vice;Should Patent is a kind of production electric power pylon dedicated hydraulic vice, on the support that the vice is fixedly connected, it is impossible to which mobile, structure is more multiple It is miscellaneous, be not suitable for machine tooling and use.
The content of the invention
The purpose of invention:In order to overcome the above insufficient, the present invention discloses a kind of multi-purpose hydraulic flat tongs, and there is design to close Reason, simple and compact for structure, clamp speeds are fast, service life length, and the clamping for being applicable a variety of shaped pieces is fixed.
Technical scheme:In order to realize the above object the invention discloses a kind of multi-purpose hydraulic flat tongs, including grips pincers Body, movable vise body component, center assembly of the plunger pump, pre- clamping screw;Guide rail is provided with the grips pincers;The fixed vice body One end be provided with screw, the other end is provided with baffle plate;The movable vise body component can move along guide rail with grips pincers;The work Dynamic vice body component includes the movable vise body and movable vise body main body being fixed together;The center assembly of the plunger pump is positioned at work Dynamic vice body component internal;The center assembly of the plunger pump includes:It is located at folder piston rod inside movable vise body and is located at activity The center plungers pump plunger of vice body body interior;The end of the folder piston rod is provided with hanging feet component;The pre- clamping screw It is arranged on by screw with grips pincers;The inside of the pre- clamping screw has been connected through a screw thread clamping screw;The clamping One end of screw rod is fixedly connected with being located at the center plungers pump plunger of movable vise body body interior;The clamping screw is radially Provided with double ratchet pin mechanisms;The clamping screw can drive pre- clamping screw in screw internal rotation by double ratchet pin mechanisms.This Invent it is reasonable in design, simple and compact for structure, by rotating pre- clamping screw, movable vise body reach;After power becomes big, detent pin pressure Lower spring, clamping screw continue to rotate, and promote center plungers pump plunger to produce high-pressure oil, so as to promote two folder pistons Bar moves, and realizes the clamping of workpiece;It is applied widely meanwhile the present invention also has service life length, production, run and safeguard Cost is low, the advantages that being easy to promote the use of.
Further, a kind of above-mentioned multi-purpose hydraulic flat tongs, described folder piston rod are provided with dovetail groove, the extension Pin component is provided with corresponding dovetails.It is fixedly connected by structure itself, and then realizes the interchangeable purpose of hanging feet, When special-shaped size is too big in the horizontal direction for workpiece, the hanging feet of replaceable different length reaches shaped piece clamping requirement.
Further, above-mentioned a kind of multi-purpose hydraulic flat tongs, described folder piston rod is provided with two, and left and right is right Claim installation.Ensure the stress balance of workpiece, and then the purpose of fixation.
Further, a kind of above-mentioned multi-purpose hydraulic flat tongs, described hanging feet component include:Hanging feet and presser feet;It is described Presser feet is connected by straight pin with hanging feet.It is attached by straight pin, and then meets two folder piston rods in the horizontal direction Clamp special-shaped workpiece;Hanging feet links in vertical direction and clamps shaped piece, ensures that the clamping of bow and arrow is firm.
Further, above-mentioned a kind of multi-purpose hydraulic flat tongs, the inwall of described pre- clamping screw are provided with symmetrically Embedded groove.
Further, above-mentioned a kind of multi-purpose hydraulic flat tongs, described double ratchet pin mechanisms include:Symmetrical two spine Pawl pin and spring positioned there between.By double ratchet pin mechanisms with spring, it can realize and drive pre- clamping screw rotation Automatically control, while can also pass through under spring increase packing ring adjust elastic force.
Further, above-mentioned a kind of multi-purpose hydraulic flat tongs, the outboard head portion of described clamping screw is polyhedron knot Structure.It is convenient that active force is applied to clamping screw, drive pre- clamping screw to rotate.
Meanwhile present invention also offers a kind of method of work of multi-purpose hydraulic flat tongs, specially following steps:The liquid When flattening brank work, hanging feet component is first installed as needed, then by workpiece by being placed at baffle plate;Rotate clamping screw, Radially equipped with double ratchet pin mechanisms, detent pin is embedded in the embedded groove in pre- clamping screw the clamping screw, drives pre- folder Tight screw rod rotation, in the presence of screw mechanism, movable vise body component moves forward;When hanging feet component encounters workpiece, resistance becomes After big, the detent pin is overcome in the hole of spring force press-in clamping screw, pre- clamping screw is no longer rotated;When continuation rotating clamp During tight screw rod, clamping screw promotes the motion of center plungers pump plunger, and two folder piston rod fortune are promoted in the presence of hydraulic coupling It is dynamic, force two hanging feets to clamp workpiece.
Above-mentioned technical proposal, which can be seen that a kind of multi-purpose hydraulic flat tongs of the present invention and its method of work, to be had such as Lower beneficial effect:
1)Rotate pre- clamping screw, movable vise body reach;After power becomes big, detent pin dead spring, clamping screw continues to revolve Turn, promote center plunger pump to produce high-pressure oil, so as to promote two folder piston rod movements, realize the clamping of workpiece.
2)Two folder piston rods clamp special-shaped workpiece in the horizontal direction;Hanging feet links in vertical direction and clamps shaped piece, Ensure that the clamping of workpiece is firm.
3)Hanging feet is interchangeable, and when special-shaped size is too big in the horizontal direction for workpiece, the hanging feet of replaceable different length reaches different Shape part clamping requirement.
4)Double ratchet pin mechanisms, it can automatically control and drive pre- clamping screw rotation, while can be by increasing under spring Packing ring adjusts elastic force.
5)Reasonable in design, simple and compact for structure, clamp speeds are fast, service life length, it is applied widely, production, operation and Maintenance cost is low, is easy to promote the use of.
Brief description of the drawings
Fig. 1 is the stereogram of multi-purpose hydraulic flat tongs of the present invention;
Fig. 2 is the Structure explosion diagram of multi-purpose hydraulic flat tongs of the present invention;
Fig. 3 is the component home connection diagram of the pre- clamping screw;
Fig. 4 is the structural representation of the hanging feet component;
Fig. 5 is the radial cross-section of the pre- clamping screw;
In figure:1- movable vise bodies, 12- screws, 13- guide rails, 14- baffle plates, 2- movable vise bodies component, 21- movable vise bodies, 22- movable vise bodies body, 3- centers assembly of the plunger pump, 31- folders piston rod, 32- centers plungers pump plunger, 4- clamp spiral shell in advance The double ratchet pin mechanisms of bar, 41- embedded grooves, 5- clamping screws, 6- hanging feets component, 61- hanging feets, 62- presser feets, 63- straight pins, 7-, 71- detent pins, 72- springs.
Embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the invention is described in detail, example is only limited to explain this Invention, is not intended to limit the scope of the present invention.
Embodiment
A kind of multi-purpose hydraulic flat tongs of the present invention, as shown in Fig. 1 to Fig. 5, including fixed vice body 1, movable vise body Component 2, center assembly of the plunger pump 3, pre- clamping screw 4;Shown fixation vice body 1 is provided with the parallel guide rail 13 of two rows;Solid The one end for determining vice body 1 is provided with a connection otic placode, and otic placode is provided with screw 12, and the other end is provided with the baffle plate 14 of vertical feet, its In be hollow structure between two row's guide rails;Movable vise body component 2 can move along guide rail 13 on fixed vice body 1;Wherein adjustable clamp Body component 2 includes the movable vise body 21 and movable vise body main body 22 being fixed together;The center assembly of the plunger pump 3 is located at Inside movable vise body component 2;The center assembly of the plunger pump 3 includes:It is located inside movable vise body 21, and be left and right symmetrically arranged Two folder piston rods 31 and the center plungers pump plunger 32 being located inside movable vise body main body 22, wherein folder piston rod 31, Chamber inside center plungers pump plunger 32 and movable vise body component 2 constitutes hydraulic system;Folder piston rod as shown in Figure 2 31 end is provided with hanging feet component 6;Pre- clamping screw 4 is arranged on fixed vice body 1 by screw 12;Pre- clamping screw 4 it is interior Portion has been connected through a screw thread clamping screw 5;One end of the clamping screw 5 and the newel being located inside movable vise body main body 22 Plug pump plunger 32 is fixedly connected;The clamping screw 5 is radially provided with double ratchet pin mechanisms 7;Wherein pre- clamping screw 4 it is interior Wall is provided with symmetrical embedded groove 41.Shown clamping screw 5 can be driven by double ratchet pin mechanisms 7 embedded in the inside of embedded groove 41 Pre- clamping screw 4 is in the internal rotation of screw 12.As shown in figure 3, double ratchet pin mechanisms 7 include:Symmetrical two detent pins 71 and position In spring 72 therebetween, such a design can be realized that drive is pre- and be clamped by double ratchet pin mechanisms with spring Screw rod rotation automatically controls, while can also adjust elastic force by increasing packing ring under spring.
Preferably, a kind of above-mentioned multi-purpose hydraulic flat tongs, hanging feet component 6 as shown in Figure 4 are provided with dovetails, therewith It is corresponding that dovetail groove is provided with folder piston rod 31, it is fixedly connected by structure itself, and then realize that hanging feet is interchangeable Purpose, when special-shaped size is too big in the horizontal direction for workpiece, the hanging feet of replaceable different length reaches shaped piece clamping requirement.Its Middle hanging feet component 6 includes:Hanging feet 61 and presser feet 62;The presser feet 62 is connected by straight pin 63 with hanging feet 61;Shown presser feet 62 be crescent shape, free to rotate by straight pin 63, realizes the clamping of different azimuth.
Preferably, above-mentioned a kind of multi-purpose hydraulic flat tongs, the outboard head portion of clamping screw 5 as shown in Figure 3 is positive four Face body structure, the pretension of clamping screw 5 can be realized by spanner or drive mechanism.
In addition, a kind of method of work of above-mentioned multi-purpose hydraulic flat tongs is:A kind of multi-purpose hydraulic pressure flat mouth as shown in Figure 1 When pincers worker is made, hanging feet component 6 is first installed as needed, then by workpiece by being placed at baffle plate 14;Rotate clamping screw 5, institute Clamping screw 5 is stated radially equipped with double ratchet pin mechanisms 7, and detent pin 71 is embedded in the embedded groove 41 in pre- clamping screw 4, is driven Pre- clamping screw 4 rotates, and in the presence of screw mechanism, movable vise body component 2 moves forward;When hanging feet component 6 encounters workpiece, After resistance becomes big, the detent pin 71 is overcome in the hole of the power of spring 72 press-in clamping screw 5, pre- clamping screw 4 is no longer rotated; When continuing to rotate clamping screw 5, clamping screw 5 promotes center plungers pump plunger 32 to move, and is promoted in the presence of hydraulic coupling Two folder piston rods 31 move, and based on pascal's principle in confined space, hydraulic coupling is equal everywhere, no matter workpiece is in level Whether direction is special-shaped, and two hanging feets can contact workpiece, so as to by Workpiece clamping.
Preferably, above-mentioned a kind of multi-purpose hydraulic flat tongs, when workpiece has abnormity in vertical direction, then by hanging feet with The pin connection of presser feet realizes that the linkage of vertical direction clamps.
Preferably, above-mentioned a kind of multi-purpose hydraulic flat tongs, when workpiece level direction and vertical direction all have special-shaped, Two folder piston rod movements are promoted in the presence of hydraulic coupling, realize the pin connection of the horizontal-clamping of workpiece, hanging feet and presser feet Realize that the linkage of vertical direction clamps, so that workpiece level direction and vertical direction all clamp.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvement can also be made, these improvement also should be regarded as the present invention's Protection domain.

Claims (3)

  1. A kind of 1. multi-purpose hydraulic flat tongs, it is characterised in that:Including:Fixed vice body(1), movable vise body component(2), center plunger Pump group part(3), pre- clamping screw(4);The fixed vice body(1)It is provided with guide rail(13);The fixed vice body(1)One end set There is screw(12), the other end is provided with baffle plate(14);The movable vise body component(2)Can be along guide rail(13)In fixed vice body(1)On It is mobile;The movable vise body component(2)Including the movable vise body being fixed together(21)With movable vise body main body(22);Institute State center assembly of the plunger pump(3)Positioned at movable vise body component(2)It is internal;The center assembly of the plunger pump(3)Including:It is located at activity Vice body(21)Internal folder piston rod(31)Be located at movable vise body main body(22)Internal center plungers pump plunger(32);Institute State folder piston rod(31)End be provided with hanging feet component(6);The folder piston rod(31)It is provided with dovetail groove, the hanging feet Component(6)It is provided with corresponding dovetails;The hanging feet component(6)Including:Hanging feet(61)And presser feet(62);The presser feet (62)Pass through straight pin(63)With hanging feet(61)Connection;The pre- clamping screw(4)Pass through screw(12)Installed in fixed vice body (1)On;The pre- clamping screw(4)Inside be connected through a screw thread clamping screw(5);The pre- clamping screw(4)It is interior Wall is provided with symmetrical embedded groove(41);The clamping screw(5)One end and be located at movable vise body main body(22)In internal Heart plungers pump plunger(32)It is fixedly connected;The clamping screw(5)Be radially provided with double ratchet pin mechanisms(7);The clamping Screw rod(5)Double ratchet pin mechanisms can be passed through(7)Drive pre- clamping screw(4)In screw(12)Internal rotation;Double detent pin machines Structure(7)Including:Symmetrical two detent pins(71)With spring positioned there between(72);
    During the hydraulic flat tongs work, hanging feet component is first installed as needed(6), then by workpiece by being placed on baffle plate(14) Place;Rotate clamping screw(5), the clamping screw(5)Radially equipped with double ratchet pin mechanisms(7), detent pin(71)It is embedded pre- Clamping screw(4)Interior embedded groove(41)It is interior, drive pre- clamping screw(4)Rotation, in the presence of screw mechanism, movable vise body Component(2)Move forward;When hanging feet component(6)Encounter workpiece, after resistance becomes big, the detent pin(71)Overcome spring(72)Power It is pressed into clamping screw(5)Hole in, make pre- clamping screw(4)No longer rotate;When continue rotate clamping screw(5)When, clamp spiral shell Bar(5)Promotion center plungers pump plunger(32)Motion, two folder piston rods are promoted in the presence of hydraulic coupling(31)Motion, compel Make two hanging feets(61)Clamp workpiece.
  2. A kind of 2. multi-purpose hydraulic flat tongs according to claim 1, it is characterised in that:The folder piston rod(31)Set There are two, and be left and right symmetrically arranged.
  3. A kind of 3. multi-purpose hydraulic flat tongs according to claim 1, it is characterised in that:The clamping screw(5)Outside Head is polyhedral structure.
CN201610236207.8A 2016-04-18 2016-04-18 A kind of multi-purpose hydraulic flat tongs and its method of work Active CN105690157B (en)

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Application Number Priority Date Filing Date Title
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CN105690157B true CN105690157B (en) 2018-01-09

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB563735A (en) * 1943-04-23 1944-08-28 William Charles Pallant Improvements in vices
CN2109912U (en) * 1991-12-05 1992-07-15 潍坊机床附件厂 Hydraulic reinforcement flat-nose pliers
CN2203638Y (en) * 1994-04-29 1995-07-19 张家港和丰机械制造有限公司 Hand and semi-automatic two-purpose clamp
CN201147907Y (en) * 2008-01-25 2008-11-12 北京石油化工学院 Hydraulic force amplifier having oil-liquid automatic compensation apparatus
CN201158008Y (en) * 2008-03-14 2008-12-03 南京工业职业技术学院 Self-adjusting hinged pipe vise

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB563735A (en) * 1943-04-23 1944-08-28 William Charles Pallant Improvements in vices
CN2109912U (en) * 1991-12-05 1992-07-15 潍坊机床附件厂 Hydraulic reinforcement flat-nose pliers
CN2203638Y (en) * 1994-04-29 1995-07-19 张家港和丰机械制造有限公司 Hand and semi-automatic two-purpose clamp
CN201147907Y (en) * 2008-01-25 2008-11-12 北京石油化工学院 Hydraulic force amplifier having oil-liquid automatic compensation apparatus
CN201158008Y (en) * 2008-03-14 2008-12-03 南京工业职业技术学院 Self-adjusting hinged pipe vise

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Effective date of registration: 20230809

Address after: No. 113, Wanjiangtang Group, Yinlong Village, Huanghua Town, Changsha County, Changsha City, Hunan Province, 410000

Patentee after: Hunan Yimou Intelligent Technology Co.,Ltd.

Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province

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Patentee before: SUZHOU CHIEN-SHIUNG INSTITUTE OF TECHNOLOGY

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