CN105690157A - Multipurpose hydraulic flat tongs and working method thereof - Google Patents
Multipurpose hydraulic flat tongs and working method thereof Download PDFInfo
- Publication number
- CN105690157A CN105690157A CN201610236207.8A CN201610236207A CN105690157A CN 105690157 A CN105690157 A CN 105690157A CN 201610236207 A CN201610236207 A CN 201610236207A CN 105690157 A CN105690157 A CN 105690157A
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- China
- Prior art keywords
- clamping screw
- assembly
- flat tongs
- hydraulic flat
- movable vise
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses multipurpose hydraulic flat tongs. The multipurpose hydraulic flat tongs comprise a fixed tong body, a movable tong body assembly, a central plunger pump assembly, a pre-clamping screw and a clamping screw. The pre-clamping screw and the clamping screw push the movable tong body assembly to move on the fixed tong body through rotation of the pre-clamping screw and the clamping screw, and a workpiece is clamped through the central plunger pump assembly. According to a working method of the multipurpose hydraulic flat tongs, the movable tong body moves forwards by rotating the pre-clamping screw; and after force is increased, pawl pins press down a spring, the clamping screw continues rotating, a central plunger pump plunger is pushed to generate high pressure oil, therefore two workpiece clamping piston rods are pushed to move, and the workpiece is clamped. Meanwhile, the multipurpose hydraulic flat tongs and the working method thereof also have the advantages that the design is reasonable, and the structure is simple and compact; the service life is long; the application range is wide; the production, operation and maintaining cost is low; and the multipurpose hydraulic flat tongs are convenient to apply and popularize.
Description
Technical field
The present invention relates to Machining Technology field, be specially a kind of multiplex hydraulic flat tongs and method of work thereof。
Background technology
Flat-nose pliers has another name called machine vice, is a kind of universal fixturing, is usually used in installing miniature workpiece, and it is the random adnexa of milling machine, drilling machine, is fixed on platen, is used for clamping workpiece and carries out machining。In machining, when boring, milling, Cutter Body Processing with Machining Center part, conventional flat-nose pliers clamping workpiece, but the depth of parallelism of clamped workpiece is required higher by common flat-nose pliers, often can only be fixedly clamped comparatively regular workpiece, but when two faces of workpiece are not parallel (namely what is often called shaped piece), clamping workpiece is built on the sand, thus affecting machining accuracy, even can not process or producing security incident。
Chinese patent, application number is: CN204053832U, a kind of hydraulic vice of settling sth. according to policy or law；This patent makes rubber sleeve expand to clamp tubing by injecting hydraulic oil in hollow rubber in overlapping, regulate hydraulic cylinder travel band movable slider and clamp common part, realize clamping owing to expanding mainly through rubber sleeve, cause that clamping force is little, and can only clamping the object of smooth surface, range of application is less。
Chinese patent, application number is: CN203566522U, discloses a kind of production electric power pylon dedicated hydraulic vice；This patent is a kind of production electric power pylon dedicated hydraulic vice, and this vice is fixed on the support of connection, it is impossible to mobile, structure is complex, is not suitable for machine tooling and uses。
Summary of the invention
The purpose of invention: in order to overcome above deficiency, a kind of multiplex hydraulic flat tongs of disclosure, have reasonable in design, simple and compact for structure, clamp speeds is fast, long service life, and the clamping being suitable for multiple shaped piece is fixed。
Technical scheme: in order to realize object above, the invention discloses a kind of multiplex hydraulic flat tongs, including fixing vice body, movable vise body assembly, center assembly of the plunger pump, pre-clamping screw；It is provided with guide rail with described fixation clamps；One end of described fixing vice body is provided with screw, and the other end is provided with baffle plate；Described movable vise body assembly can move with fixation clamps along guide rail；Described movable vise body assembly includes the movable vise body and the movable vise body main body that are fixed together；Described center assembly of the plunger pump is positioned at movable vise body component internal；Described center assembly of the plunger pump includes: is located at the folder piston rod within movable vise body and is located at the center plungers pump plunger of movable vise body body interior；The end of described folder piston rod is provided with hanging feet assembly；Described pre-clamping screw is arranged on fixation clamps by screw；The inside of described pre-clamping screw has been threaded connection clamping screw；One end of described clamping screw is fixing with the center plungers pump plunger being located at movable vise body body interior to be connected；Described clamping screw be radially provided with double; two detent pin mechanism；Described clamping screw can pass through double; two detent pin mechanism and drive pre-clamping screw to rotate in screw。The present invention is reasonable in design, simple and compact for structure, and by rotating pre-clamping screw, movable vise body moves forward；Power becomes after greatly, detent pin dead spring, and clamping screw continues to rotate, and promotes center plungers pump plunger to produce high-pressure oily, thus promoting two folder piston rod movements, it is achieved the clamping of workpiece；Meanwhile, the present invention also has long service life, applied widely, produces, runs and maintenance cost is low, it is simple to the advantage such as promotes the use of。
Further, the multiplex hydraulic flat tongs of above-mentioned one, described folder piston rod is provided with dovetail groove, and described hanging feet assembly is provided with corresponding dovetails。Be fixedly connected by structure self, and then realize the purpose that hanging feet is interchangeable, when workpiece in the horizontal direction special-shaped too large in size time, the hanging feet of replaceable different length reaches shaped piece clamping requirement。
Further, the multiplex hydraulic flat tongs of above-mentioned one, described folder piston rod is provided with two, and is left and right symmetrically arranged。Ensure the stress balance of workpiece, and then reach the purpose of fixation。
Further, the multiplex hydraulic flat tongs of above-mentioned one, described hanging feet assembly includes: hanging feet and presser feet；Described presser feet is connected with hanging feet by straight pin。It is attached by straight pin, and then satisfied two folder piston rods clamp special-shaped workpiece in the horizontal direction；Hanging feet links clamping shaped piece in the vertical direction, it is ensured that the clamping of bow and arrow is firm。
Further, the multiplex hydraulic flat tongs of above-mentioned one, the inwall of described pre-clamping screw is provided with the embedded groove of symmetry。
Further, the multiplex hydraulic flat tongs of above-mentioned one, described double; two detent pin mechanisms include: two symmetrical detent pin and spring positioned there between。By the double; two detent pin mechanisms with spring, it is possible to realize driving automatically controlling of pre-clamping screw rotation, can also pass through to increase packing ring under spring simultaneously and adjust elastic force。
Further, the multiplex hydraulic flat tongs of above-mentioned one, the outboard head portion of described clamping screw is polyhedral structure。Convenient to clamping screw applying active force, drive pre-clamping screw to rotate。
Meanwhile, present invention also offers the method for work of a kind of multiplex hydraulic flat tongs, be specially following steps: during the work of described hydraulic flat tongs, first install hanging feet assembly as required, then by workpiece by being placed on baffle plate place；Rotating clamping screw, described clamping screw is radially equipped with double; two detent pin mechanisms, and detent pin embeds in the embedded groove in pre-clamping screw, drives pre-clamping screw to rotate, and under the effect of screw mechanism, movable vise body assembly moves forward；When workpiece encountered by hanging feet assembly, resistance becomes after greatly, and described detent pin overcomes in the hole of spring force press-in clamping screw, makes pre-clamping screw no longer rotate；When continuing to rotate clamping screw, clamping screw promotes center plungers pump plunger motion, promotes two folder piston rod movements under the effect of hydraulic coupling, forces two hanging feet clamping workpiece。
Technique scheme is it can be seen that the multiplex hydraulic flat tongs of one of the present invention and method of work thereof have the advantages that
1) rotating pre-clamping screw, movable vise body moves forward；Power becomes after greatly, detent pin dead spring, and clamping screw continues to rotate, and promotes center plunger displacement pump to produce high-pressure oily, thus promoting two folder piston rod movements, it is achieved the clamping of workpiece。
2) two folder piston rods clamp special-shaped workpiece in the horizontal direction；Hanging feet links clamping shaped piece in the vertical direction, it is ensured that the clamping of workpiece is firm。
3) hanging feet is interchangeable, when workpiece in the horizontal direction special-shaped too large in size time, the hanging feet of replaceable different length reaches shaped piece clamping requirement。
4) double; two detent pin mechanisms, can automatically control the pre-clamping screw of drive and rotate, and can pass through to increase packing ring under spring simultaneously and adjust elastic force。
5) reasonable in design, simple and compact for structure, clamp speeds is fast, and long service life is applied widely, and production, operation and maintenance cost are low, are easy to promote the use of。
Accompanying drawing explanation
Fig. 1 is the axonometric chart of multiplex hydraulic flat tongs of the present invention；
Fig. 2 is the structural blast figure of multiplex hydraulic flat tongs of the present invention；
Fig. 3 is the component home connection diagram of described pre-clamping screw；
Fig. 4 is the structural representation of described hanging feet assembly；
Fig. 5 is the radial cross-section of described pre-clamping screw；
In figure: 1-movable vise body, 11-guide rail, 12-screw, 13-baffle plate, 2-movable vise body assembly, 21-movable vise body, 22-movable vise body body, 3-center assembly of the plunger pump, 31-folder piston rod, 32-center plungers pump plunger, the pre-clamping screw of 4-, 41-embedded groove, 5-clamping screw, 6-hanging feet assembly, 61-hanging feet, 62-presser feet, 63-straight pin, 7-double; two detent pin mechanism, 71-detent pin, 72-spring。
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the invention being described in detail, example is only limited to the explanation present invention, is not intended to limit the scope of the present invention。
Embodiment
The multiplex hydraulic flat tongs of one of the present invention, as shown in Fig. 1 to Fig. 5, including fixing vice body 1, movable vise body assembly 2, center assembly of the plunger pump 3, pre-clamping screw 4；Shown fixing vice body 1 is provided with the parallel guide rail of two rows 11；Being provided with one in one end of fixing vice body 1 and connect otic placode, otic placode is provided with screw 12, and the other end is provided with the baffle plate 13 of vertical feet, is wherein blank structure between two row's guide rails；Movable vise body assembly 2 can move on fixing vice body 1 along guide rail 13；Wherein movable vise body assembly 2 includes the movable vise body 21 and the movable vise body main body 22 that are fixed together；It is internal that described center assembly of the plunger pump 3 is positioned at movable vise body assembly 2；Described center assembly of the plunger pump 3 includes: be located at movable vise body 21 internal, and be left and right symmetrically arranged two folder piston rods 31 and be located at the center plungers pump plunger 32 within movable vise body main body 22, wherein the chamber within folder piston rod 31, center plungers pump plunger 32 and movable vise body assembly 2 constitutes hydraulic system；The end of folder piston rod 31 as shown in Figure 2 is provided with hanging feet assembly 6；Pre-clamping screw 4 is arranged on fixing vice body 1 by screw 12；The inside of pre-clamping screw 4 has been threaded connection clamping screw 5；One end of described clamping screw 5 is fixing with the center plungers pump plunger 32 being located within movable vise body main body 22 to be connected；Described clamping screw 5 be radially provided with double; two detent pin mechanism 7；Wherein the inwall of pre-clamping screw 4 is provided with the embedded groove 41 of symmetry。Shown clamping screw 5 can be embedded in the embedded groove 41 pre-clamping screw 4 of internal drive by double; two detent pin mechanisms 7 and rotate in screw 12。As shown in Figure 3, double; two detent pin mechanisms 7 include: two symmetrical detent pin 71 and spring 72 positioned there between, this kind of design can pass through the double; two detent pin mechanisms with spring, it is capable of driving what pre-clamping screw rotated to automatically control, can also pass through to increase packing ring under spring simultaneously and adjust elastic force。
Preferably, the multiplex hydraulic flat tongs of above-mentioned one, hanging feet assembly 6 as shown in Figure 4 is provided with dovetails, corresponding on folder piston rod 31, it is provided with dovetail groove, it is fixedly connected by structure self, and then realize the purpose that hanging feet is interchangeable, when workpiece in the horizontal direction special-shaped too large in size time, the hanging feet of replaceable different length reaches shaped piece clamping requirement。Wherein hanging feet assembly 6 includes: hanging feet 61 and presser feet 62；Described presser feet 62 is connected with hanging feet 61 by straight pin 63；Shown presser feet 62 is crescent shape, free to rotate by straight pin 63, it is achieved the clamping of different azimuth。
Preferably, the multiplex hydraulic flat tongs of above-mentioned one, the outboard head portion of clamping screw 5 as shown in Figure 3 is positive tetrahedron structure, can be realized the pretension of clamping screw 5 by spanner or driving mechanism。
It addition, the method for work of above-mentioned a kind of multiplex hydraulic flat tongs is: when the multiplex hydraulic flat tongs of one as shown in Figure 1 works, first install hanging feet assembly 6 as required, then by workpiece by being placed on baffle plate 13 place；Rotating clamping screw 5, described clamping screw 5 is radially equipped with double; two detent pin mechanisms 7, and detent pin 71 embeds in the embedded groove 41 in pre-clamping screw 4, drives pre-clamping screw 4 to rotate, and under the effect of screw mechanism, movable vise body assembly 2 moves forward；When workpiece encountered by hanging feet assembly 6, resistance becomes after greatly, and described detent pin 71 overcomes in the hole of spring 72 power press-in clamping screw 5, makes pre-clamping screw 4 no longer rotate；When continuing to rotate clamping screw 5, clamping screw 5 promotes center plungers pump plunger 32 to move, two folder piston rods 31 are promoted to move under the effect of hydraulic coupling, based on pascal's principle in confined space, hydraulic coupling is equal everywhere, no matter whether workpiece is special-shaped in the horizontal direction, two hanging feets can contact workpiece, thus by Workpiece clamping。
Preferably, the multiplex hydraulic flat tongs of above-mentioned one, when workpiece has abnormity in the vertical direction, then it is connected the linkage clamping realizing vertical direction with the pin of presser feet by hanging feet。
Preferably, the multiplex hydraulic flat tongs of above-mentioned one, when all there is abnormity with vertical direction in workpiece level direction, two folder piston rod movements are promoted under the effect of hydraulic coupling, realize the horizontal-clamping of workpiece, hanging feet is connected the linkage clamping realizing vertical direction with the pin of presser feet, so that workpiece level direction and vertical direction all clamp。
The above is only the preferred embodiment of the present invention, it is noted that for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to make some improvement, and these improvement also should be regarded as protection scope of the present invention。
Claims (8)
1. a multiplex hydraulic flat tongs, it is characterised in that: including: fixing vice body (1), movable vise body assembly (2), center assembly of the plunger pump (3), pre-clamping screw (4)；Described fixing vice body (1) is provided with guide rail (11)；One end of described fixing vice body (1) is provided with screw (12), and the other end is provided with baffle plate (13)；Described movable vise body assembly (2) can be upper mobile at fixing vice body (1) along guide rail (13)；Described movable vise body assembly (2) includes the movable vise body (21) and the movable vise body main body (22) that are fixed together；It is internal that described center assembly of the plunger pump (3) is positioned at movable vise body assembly (2)；Described center assembly of the plunger pump (3) including: is located at the internal folder piston rod (31) of movable vise body (21) and is located at the center plungers pump plunger (32) that movable vise body main body (22) is internal；The end of described folder piston rod (31) is provided with hanging feet assembly (6)；Described pre-clamping screw (4) is arranged on fixing vice body (1) by screw (12)；The inside of described pre-clamping screw (4) has been threaded connection clamping screw (5)；One end of described clamping screw (5) is fixing with the center plungers pump plunger (32) being located at movable vise body main body (22) inside to be connected；Described clamping screw (5) be radially provided with double; two detent pin mechanism (7)；Described clamping screw (5) can pass through double; two detent pin mechanism (7) and drive pre-clamping screw (4) to rotate in screw (12)。
2. the multiplex hydraulic flat tongs of one according to claim 1, it is characterised in that: described folder piston rod (31) is provided with dovetail groove, and described hanging feet assembly (6) is provided with corresponding dovetails。
3. the multiplex hydraulic flat tongs of one according to claim 1, it is characterised in that: described folder piston rod (31) is provided with two, and is left and right symmetrically arranged。
4. the multiplex hydraulic flat tongs of one according to claim 1, it is characterised in that: described hanging feet assembly (6) including: hanging feet (61) and presser feet (62)；Described presser feet (62) is connected with hanging feet (61) by straight pin (63)。
5. the multiplex hydraulic flat tongs of one according to claim 1, it is characterised in that: the inwall of described pre-clamping screw (4) is provided with the embedded groove (41) of symmetry。
6. the multiplex hydraulic flat tongs of one according to claim 1, it is characterised in that: described pair of detent pin mechanism (7) including: two symmetrical detent pin (71) and spring (72) positioned there between。
7. the multiplex hydraulic flat tongs of one according to claim 1, it is characterised in that: the outboard head portion of described clamping screw (5) is polyhedral structure。
8. the method for work of a multiplex hydraulic flat tongs, it is characterised in that: during the work of described hydraulic flat tongs, first install hanging feet assembly (6) as required, then by workpiece by being placed on baffle plate (13) place；Rotate clamping screw (5), described clamping screw (5) is radially equipped with double; two detent pin mechanisms (7), detent pin (71) embeds in the embedded groove (41) in pre-clamping screw (4), pre-clamping screw (4) is driven to rotate, under the effect of screw mechanism, movable vise body assembly (2) moves forward；When workpiece encountered by hanging feet assembly (6), resistance becomes after greatly, and described detent pin (71) overcomes in the hole of spring (72) power press-in clamping screw (5), makes pre-clamping screw (4) no longer rotate；When continuing to rotate clamping screw (5), clamping screw (5) promotes center plungers pump plunger (32) motion, promotes two folder piston rod (31) motions under the effect of hydraulic coupling, forces two hanging feet (61) clamping workpiece。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610236207.8A CN105690157B (en) | 2016-04-18 | 2016-04-18 | A kind of multi-purpose hydraulic flat tongs and its method of work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610236207.8A CN105690157B (en) | 2016-04-18 | 2016-04-18 | A kind of multi-purpose hydraulic flat tongs and its method of work |
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| Publication Number | Publication Date |
|---|---|
| CN105690157A true CN105690157A (en) | 2016-06-22 |
| CN105690157B CN105690157B (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610236207.8A Active CN105690157B (en) | 2016-04-18 | 2016-04-18 | A kind of multi-purpose hydraulic flat tongs and its method of work |
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Citations (5)
| 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 |
-
2016
- 2016-04-18 CN CN201610236207.8A patent/CN105690157B/en active Active
Patent Citations (5)
| 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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| Publication number | Publication date |
|---|---|
| CN105690157B (en) | 2018-01-09 |
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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 Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. Effective date of registration: 20230809 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: 215411 No. 1, Xueyuan Road, science and education new town, Taicang City, Suzhou City, Jiangsu Province Patentee before: SUZHOU CHIEN-SHIUNG INSTITUTE OF TECHNOLOGY |
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