CN105500081B - The self-centering clamping device of axle pipe part - Google Patents

The self-centering clamping device of axle pipe part Download PDF

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Publication number
CN105500081B
CN105500081B CN201610074067.9A CN201610074067A CN105500081B CN 105500081 B CN105500081 B CN 105500081B CN 201610074067 A CN201610074067 A CN 201610074067A CN 105500081 B CN105500081 B CN 105500081B
Authority
CN
China
Prior art keywords
cylinder
self
centering clamping
axle pipe
piston rod
Prior art date
Application number
CN201610074067.9A
Other languages
Chinese (zh)
Other versions
CN105500081A (en
Inventor
张宝
车光群
Original Assignee
合肥压力机械有限责任公司
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 合肥压力机械有限责任公司 filed Critical 合肥压力机械有限责任公司
Priority to CN201610074067.9A priority Critical patent/CN105500081B/en
Publication of CN105500081A publication Critical patent/CN105500081A/en
Application granted granted Critical
Publication of CN105500081B publication Critical patent/CN105500081B/en

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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
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B23Q3/064Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
    • 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 the self-centering clamping device of axle pipe part, first straight line guide rail is provided with the workbench, slided on the guide rail and be provided with left cylinder and right cylinder body, the left cylinder and right cylinder body are provided with left clamp jaw and right clamp jaw in a relative upper lateral part, piston rod is in left-right direction through the bottom of the left cylinder and right cylinder body, the right inferior part of the cylinder block is provided with the right passage passed through for the piston rod, the right passage forms a seal cavity after left and right ends block, piston head is fixedly installed on the right-hand member of the piston rod, the piston head is located in the seal cavity of the right cylinder body and can moved left and right in the seal cavity;The left part of the piston rod is fixedly connected with the left cylinder.Advantage of the present invention:The present invention can realize the self-centering clamping operation of axle pipe part, and whole-course automation, self-centering clamping stability is high, and clamping pressure is stable, it is small to fluctuate, and pressure-adjustable scope is big.

Description

The self-centering clamping device of axle pipe part
Technical field
The present invention relates to a kind of self-centering clamping device of axle pipe part.
Background technology
The self-centering clamping of existing axle pipe part typically has by the way of:(1) servo-type, cost are too high;(2) it is pneumatic Formula, clamping force is smaller and is limited by structure space;(3) pinion and-rack, complicated in mechanical structure, often produced during power transmission Unbalance loading.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of self-centering clamping of axle pipe part dress Put, to reach the self-centering clamping stability of axle pipe part height, pressure stability, fluctuate small, the big purpose of pressure-adjustable scope.
The present invention is achieved by the following technical solutions:
The self-centering clamping device of axle pipe part, including workbench, it is provided with the workbench and prolongs in left-right direction The first straight line guide rail stretched, slide on the guide rail and be provided with the left cylinder and right cylinder body of left and right side by side, the left cylinder and the right side Cylinder body is correspondingly arranged on left clamp jaw and right clamp jaw, the left clamp jaw and the common shape of right clamp jaw in a relative upper lateral part Into the gripping channel of clamping axle pipe part, the self-centering clamping device also includes a piston rod, and the piston rod edge is left Through the bottom of the left cylinder and right cylinder body, the right inferior part of the cylinder block is provided with the right side passed through for the piston rod and led to right direction Road, the right cylinder body are blocked by a guide sleeve and cylinder cap respectively in the left and right ends of right passage, the right passage warp A seal cavity is formed after crossing closure, is fixedly installed piston head on the right-hand member of the piston rod, the piston head is located at institute State in the seal cavity of right cylinder body and can be moved left and right in the seal cavity, the seal cavity is separated by the piston head For left chamber body and right chamber body, the right cylinder surface is provided with the first import and the second import, first import and the right chamber Body connects, and second import connects with the left chamber body;The left part of the piston rod is fixedly connected with the left cylinder;It is described The left end of workbench is provided with and spacing right baffle-plate is carried out to the left cylinder left end, and the right-hand member of the workbench is provided with to the right side Cylinder body right-hand member carries out spacing right shell body, is additionally provided with rigid block in the middle part of the workbench, the rigid block is to the left cylinder Body right-hand member and the right cylinder body left end carry out spacing.
The piston rod is provided with limited step at the position close to the left cylinder right-hand member, and the piston rod is in the left cylinder Position between body right-hand member and the limited step is arranged with pad.
The left cylinder bottom is provided with left slider, and the left cylinder passes through the left slider and the first straight line guide rail It is slidably connected.
The right cylinder base is provided with right sliding block, and the right cylinder body passes through the right sliding block and the first straight line guide rail It is slidably connected.
The left clamp jaw and right clamp jaw are provided with V-arrangement grip orifice or arc grip orifice in relative side.
The left clamp jaw and right clamp jaw are fixed by screws on the left cylinder and right cylinder body respectively.
First import is located on the cylinder cap.
Hydraulic power source is connected outside first import and the second import.
The second straight line guide rail extended along the longitudinal direction is provided with below the workbench, the workbench bottom is fixedly connected There is the second sliding block that can be slided along the second straight line guide rail.
The guide sleeve inwall is provided with the dust-proof groove for being used for placing dust ring, is provided with the dust-proof groove dust-proof Circle.
The present invention has advantages below compared with prior art:
1st, the self-centering clamping device of axle pipe part provided by the invention, piston rod movement is driven by hydraulic power source, entered And drive left cylinder and right cylinder body to do corresponding sports, so as to drive left clamp jaw and right clamp jaw first to open and clamp afterwards, realize axle The self-centering clamping operation of pipe part, whole-course automation, self-centering clamping stability is high, and clamping pressure is stable, it is small to fluctuate, can Range of regulation is big.
2nd, the self-centering clamping device of axle pipe part provided by the invention, its rigid block is arranged at middle part, with left folder The gripping channel that tight pawl and right clamp jaw are formed is corresponding, realizes the self-centering clamping to axle pipe part, and self-centering steady Qualitative height, avoid appearance and clamp the defects of eccentric.
3rd, the self-centering clamping device of axle pipe part provided by the invention, it uses hydraulic power source driving to realize self-centering folder Tight operation, driving pressure is stable, it is small to fluctuate, and pressure-adjustable scope is big, so as to ensure that the clip stability of axle pipe part is good.
4th, the self-centering clamping device of axle pipe part provided by the invention, main body are left and right cylinder body, and piston rod is worn Left and right inferior part of the cylinder block is inserted in, left and right clamp jaw is installed in the top of left and right cylinder body opposite side, simple and compact for structure, adapts to each The Space, Place of kind various kinds, manufacturing cost are low.
5th, the self-centering clamping device of axle pipe part provided by the invention, only central siphon class need to can be achieved by hydraulic power source The self-centering clamping operation of part, automaticity are high, it is not necessary to which manual operation, time saving and energy saving, operating efficiency is high.
6th, the self-centering clamping device of axle pipe part provided by the invention, lead to and change rigid block or left and right clamp jaw The clamping operation of the axle pipe part of various outer diameter can be achieved, be applicable the axle pipe part of all size, it is versatile, and pacify Adjustment examination is simple and convenient.
7th, the self-centering clamping device of axle pipe part provided by the invention, realized and slided by line slideway, each portion Part is hardly damaged.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 overlooking the structure diagram.
Label in figure:1 workbench, 2 first straight line guide rails, 3 left cylinders, 31 left clamp jaws, 32 right baffle-plates, 33 left sliders, 4 Right cylinder body, 41 right clamp jaws, 42 guide sleeves, 43 cylinder caps, 44 left chamber bodies, 45 right chamber bodies, 46 first imports, 47 second imports, 48 Right shell body, 49 right sliding blocks, 5 gripping channels, 6 piston rods, 61 piston heads, 62 pads, 7 rigid blocks, 8 second straight line guide rails, 9 Two sliding blocks, 10 dust-proof grooves.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation Example.
It is described referring to the self-centering clamping device of Fig. 1, Fig. 2, the present embodiment axle pipe part provided, including workbench 1 The first straight line guide rail 2 extended in left-right direction is provided with workbench 1, is slided on the guide rail and is provided with the left side of left and right side by side Cylinder body 3 and right cylinder body 4, the left cylinder 3 and right cylinder body 4 are correspondingly arranged on left clamp jaw 31 and right folder in a relative upper lateral part Tight pawl 41, the left clamp jaw 31 and right clamp jaw 41 are collectively forming the gripping channel 5 of clamping axle pipe part, described self-centering Clamping device also includes a piston rod 6, and the piston rod 6 runs through under the left cylinder 3 and right cylinder body 4 in left-right direction Portion, the bottom of right cylinder body 4 are provided with the right passage passed through for the piston rod 6, and the right cylinder body 4 is in the left and right ends of right passage Blocked respectively by a guide sleeve 42 and cylinder cap 43, the right passage forms a seal cavity, institute after closure State and piston head 61 be fixedly installed on the right-hand member of piston rod 6, the piston head 61 be located in the seal cavity of the right cylinder body 4 and It can be moved left and right in the seal cavity, the seal cavity is divided into left chamber body 44 and right chamber body by the piston head 61 45, the surface of right cylinder body 4 is provided with the first import 46 and the second import 47, and first import 46 connects with the right chamber body 45 Logical, second import 47 connects with the left chamber body 44;The left part of the piston rod 6 is fixedly connected with the left cylinder 3;Institute The left end for stating workbench 1 is provided with the right baffle-plate 32 spacing to the left end of left cylinder 3 progress, and the right-hand member of the workbench 1 is provided with Spacing right shell body 48 is carried out to the right-hand member of right cylinder body 4, the middle part of workbench 1 is additionally provided with rigid block 7, the rigidity gear Block 7 carries out spacing to the right-hand member of left cylinder 3 and the left end of right cylinder body 4.
The piston rod 6 is provided with limited step at the position close to the right-hand member of left cylinder 3, and the piston rod 6 is described Position between the right-hand member of left cylinder 3 and the limited step is arranged with pad 62.
The bottom of left cylinder 3 is provided with left slider 33, and the left cylinder 3 is straight by the left slider 33 and described first Line guide rail 2 is slidably connected.
The bottom of right cylinder body 4 is provided with right sliding block 49, and the right cylinder body 4 is straight by the right sliding block 49 and described first Line guide rail 2 is slidably connected.
The left clamp jaw 31 and right clamp jaw 41 are provided with V-arrangement grip orifice or arc grip orifice in relative side so that The diameter range of clamp shaft pipe part is wide.
The left clamp jaw 31 and right clamp jaw 41 are fixed by screws on the left cylinder 3 and right cylinder body 4 respectively, side Just dismantle or change.
First import 46 is located on the cylinder cap 43.Connection hydraulic pressure outside the import 47 of first import 46 and second Source.
The lower section of workbench 1 is provided with the second straight line guide rail 8 extended along the longitudinal direction, and the bottom of workbench 1 is fixed It is connected with the second sliding block 9 that can be slided along the second straight line guide rail 8.
The inwall of guide sleeve 42 is provided with the dust-proof groove 10 for being used for placing dust ring, is provided with the dust-proof groove 10 Dust ring.
This self-centering clamping device, the seal cavity both ends of its right cylinder body 4 pass through a guide sleeve 42 and cylinder cap 43 respectively Blocked, both realized the sealing function of hydraulic oil in seal cavity, guide sleeve 42 is served to piston rod 6 and led well again To effect, guide sleeve 42 can be fixedly connected with right cylinder body 4 by screw, and piston head 61 can be consolidated with piston rod 6 by holding screw Surely link together.Piston rod 6 is installed with inside left cylinder 3, passes through nut and the left cylinder 3 of pad 62 and the left part of piston rod 6 It is fixed together, to realize the linkage of left cylinder 3 and right cylinder body 4.
The operation principle for the self-centering clamping device that the present embodiment provides is as follows:
During work, hydraulic oil is squeezed into the right chamber body 45 of right cylinder body 4 by the first import 46 on cylinder cap 43 first, it is right Pressure increase in cavity 45, promote piston head 61 and piston rod 6 along seal cavity to left movement, by piston rod 6 drive with The left cylinder 3 that its left part is fixedly connected is to left movement, and left cylinder 3 moves to the left when encountering right baffle-plate 32, and right baffle-plate 32 prevents Left cylinder 3 continues, to left movement, now will reversely promote cylinder cap 43 to move right, from cylinder cap 43 drive the one of right cylinder body 4 to Right motion, until right shell body 48 prevents right cylinder body 4 from continuing to move right, so far formed by left clamp jaw 31 and right clamp jaw 41 Gripping channel 5 is opened, and the axle pipe part for needing to clamp is put into facilitate.After axle pipe part is put into, hydraulic oil is passed through into the right side The second import 47 on cylinder body 4 is squeezed into the left chamber body 44 of right cylinder body 4, in left chamber body 44 pressure increase, promote piston head 61 with Piston rod 6 moves right along seal cavity, drives the left cylinder 3 being fixedly connected with its left part to move right by piston rod 6, when Left cylinder 3 moves to stop motion when encountering rigid block 7, now will the shifting movement to the left of reverse push action-oriented set 42, so as to The right cylinder body 4 for being secured to connection is driven to stop to left movement when right cylinder body 4, which moves to, encounters rigid block 7 from guide sleeve 42 Only move, now just clamp shaft pipe part, work are completed for left clamp jaw 31 and right clamp jaw 41.When needing, clamping difference is outer The axle pipe part in footpath, rigid block 7 need to be only changed, or change left clamp jaw 31 and right clamp jaw 41, you can met different The self-centering clamping of the axle pipe part of external diameter, it is applied widely.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.

Claims (8)

1. the self-centering clamping device of axle pipe part, it is characterised in that:Including workbench, it is provided with the workbench along a left side The first straight line guide rail of right direction extension, slide on the first straight line guide rail and be provided with left and right left cylinder side by side and right cylinder Body, the left cylinder and right cylinder body are correspondingly arranged on left clamp jaw and right clamp jaw, the left clamping in a relative upper lateral part Pawl and right clamp jaw are collectively forming the gripping channel of clamping axle pipe part, and the self-centering clamping device also includes a piston Bar, the piston rod are provided with described in confession through the bottom of the left cylinder and right cylinder body, the right inferior part of the cylinder block in left-right direction The right passage that piston rod passes through, the right cylinder body are sealed by a guide sleeve and cylinder cap respectively in the left and right ends of right passage Stifled, the right passage forms a seal cavity after closure, is fixedly installed piston head on the right-hand member of the piston rod, institute Piston head is stated to be located in the seal cavity of the right cylinder body and can move left and right in the seal cavity, the seal cavity quilt The piston head is divided into left chamber body and right chamber body, and the right cylinder surface is provided with the first import and the second import, and described first Import connects with the right chamber body, and second import connects with the left chamber body;The left part of the piston rod and the left cylinder Body is fixedly connected;The left end of the workbench, which is provided with, carries out spacing right baffle-plate to the left cylinder left end, the workbench Right-hand member is provided with and spacing right shell body is carried out to the right cylinder body right-hand member, and rigid block is additionally provided with the middle part of the workbench, described firm Property block the left cylinder right-hand member and the right cylinder body left end are carried out it is spacing;The piston rod is close to the left cylinder right-hand member Position be provided with limited step, position of the piston rod between the left cylinder right-hand member and the limited step is arranged with pad Piece;The left cylinder bottom is provided with left slider, and the left cylinder is slided by the left slider and the first straight line guide rail Connection.
2. the self-centering clamping device of axle pipe part as claimed in claim 1, it is characterised in that:The right cylinder base is set Right sliding block is equipped with, the right cylinder body is slidably connected by the right sliding block and the first straight line guide rail.
3. the self-centering clamping device of axle pipe part as claimed in claim 1, it is characterised in that:The left clamp jaw and the right side Clamp jaw is provided with V-arrangement grip orifice or arc grip orifice in relative side.
4. the self-centering clamping device of axle pipe part as claimed in claim 1, it is characterised in that:The left clamp jaw and the right side Clamp jaw is fixed by screws on the left cylinder and right cylinder body respectively.
5. the self-centering clamping device of axle pipe part as claimed in claim 1, it is characterised in that:First import is located at On the cylinder cap.
6. the self-centering clamping device of axle pipe part as claimed in claim 1, it is characterised in that:First import and Hydraulic power source is connected outside two imports.
7. the self-centering clamping device of axle pipe part as claimed in claim 1, it is characterised in that:Set below the workbench There is the second straight line guide rail extended along the longitudinal direction, the workbench bottom is fixedly connected with can be along the second straight line guide rail The sliding block of slip.
8. the self-centering clamping device of axle pipe part as claimed in claim 1, it is characterised in that:The guide sleeve inwall is set There is the dust-proof groove for placing dust ring, dust ring is provided with the dust-proof groove.
CN201610074067.9A 2016-01-29 2016-01-29 The self-centering clamping device of axle pipe part CN105500081B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610074067.9A CN105500081B (en) 2016-01-29 2016-01-29 The self-centering clamping device of axle pipe part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610074067.9A CN105500081B (en) 2016-01-29 2016-01-29 The self-centering clamping device of axle pipe part

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CN105500081A CN105500081A (en) 2016-04-20
CN105500081B true CN105500081B (en) 2017-11-17

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CN107314349B (en) * 2017-07-04 2018-08-14 常州泉晋光电有限公司 A kind of LED energy-saving lamp devices
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