CN105666174B - A kind of parallelogram centering clamping device - Google Patents

A kind of parallelogram centering clamping device Download PDF

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Publication number
CN105666174B
CN105666174B CN201610259933.1A CN201610259933A CN105666174B CN 105666174 B CN105666174 B CN 105666174B CN 201610259933 A CN201610259933 A CN 201610259933A CN 105666174 B CN105666174 B CN 105666174B
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CN
China
Prior art keywords
carrier bar
clamp
screw mandrel
active
change
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Active
Application number
CN201610259933.1A
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Chinese (zh)
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CN105666174A (en
Inventor
郭彩芬
董志
万长东
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Suzhou Vocational University
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Suzhou Vocational University
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Publication date
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Priority to CN201610259933.1A priority Critical patent/CN105666174B/en
Publication of CN105666174A publication Critical patent/CN105666174A/en
Application granted granted Critical
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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
    • 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

Abstract

The invention discloses a kind of parallelogram centering clamping device, including:Clamp body;The rotatable screw mandrel through clamp body both sides is provided with inside clamp body;Clamp body upper surface is provided with left carrier bar and right carrier bar;The rear end of left carrier bar and right carrier bar is rotatably connected on clamp body;A support rod is equipped with the middle part of left carrier bar and right carrier bar;The lower end of support rod is equipped with a nut;Nut is arranged on screw mandrel;Float plate is provided between the front end of left carrier bar and right carrier bar;Fixed plate is provided with clamp body between left carrier bar and the rear end of right carrier bar;Left carrier bar be arranged in parallel with right carrier bar, and length is identical;Float plate, fixed plate and screw mandrel are mutually parallel;On the same line, and straight line is parallel with screw mandrel for the rear end of left carrier bar and right carrier bar;One end of screw mandrel, which is located on the outside of clamp body, is provided with handle.By the above-mentioned means, the centering that the present invention is suitable for various workpieces shape clamps requirement, and applicable accessory size wider range;Clever structure, it is easy to operate.

Description

A kind of parallelogram centering clamping device
Technical field
The present invention relates to a kind of improvement of machinery processing apparatus, a kind of parallelogram centering clamping device is refered in particular to.
Background technology
Existing centering and clamping apparatus, generally it is used for realizing the self-centering and clamping of revolving parts, such as three-jaw certainly Centering chuck;Told triangle centering chuck is provided with three fixed claws, and three-jaw summit is in equilateral triangle;During work, three fixations The quick of the elastic positioning datum that can realize symmetrical rotary part of pawl is brought into close contact;Such as three jaw arrangement can fix one Individual circular shaft, realize positioning processing;But due to existing device to asymmetric revolution without grabbing capability, such as, align Cube can not be positioned with three-jaw;Thus existing apparatus is only used for positioning symmetrical rotary part, and can not position asymmetric The positioning processing of rotary part.
The content of the invention
One kind is provided the invention aims to overcome the deficiencies in the prior art can position symmetrical revolving parts, Available for the situation for positioning asymmetric revolving parts, and clever structure, a kind of easy to operate parallelogram centering clamp Device.
To reach above-mentioned purpose, the technical solution adopted by the present invention is:A kind of parallelogram centering clamping device, bag Include:Clamp body;The rotatable screw mandrel through clamp body both sides is provided with inside the clamp body;Set on the clamp body upper surface There are left carrier bar and right carrier bar;The rear end of the left carrier bar and right carrier bar is rotatably connected on clamp body;The left carrier bar and the right side A support rod is equipped with the middle part of carrier bar;The lower end of the support rod is equipped with a nut;The nut is arranged on screw mandrel;Institute State and be provided with float plate between the front end of left carrier bar and right carrier bar;On the clamp body between left carrier bar and the rear end of right carrier bar Provided with fixed plate;The left carrier bar be arranged in parallel with right carrier bar, and length is identical;The float plate, fixed plate and screw mandrel are homogeneous It is mutually parallel;On the same line, and straight line is parallel with screw mandrel for the rear end of the left carrier bar and right carrier bar;One end position of the screw mandrel Handle is provided with the outside of clamp body.
Preferably, the rear end lower of the left carrier bar and right carrier bar is equipped with a change;The lower end of the change is equipped with One active ring;It is provided with and ships and resell on another market between change and the active ring;The change can rotate around shipping and reselling on another market;The active ring lower end is all provided with There is an active bearing pin;The upper end of the active bearing pin is provided with circular shaft step;The active ring is arranged on the circular shaft platform of active bearing pin On rank;The active bearing pin is upper to be provided with base in the lower section of circular shaft step;The base is arranged on clamp body upper surface.
Preferably, the screw mandrel both ends are equipped with a bearing with clamp body junction;The screw mandrel is between two bearings It can be achieved to rotate.
Preferably, it is provided with pad between change and the active ring.
The beneficial effects of the invention are as follows:A kind of parallelogram centering clamping device of the present invention, is suitable for a variety of The centering of workpiece shapes, which clamps, to be required, and applicable accessory size wider range;Suitable for it is various can drill jig, fraise jig etc. will Seek the occasion of workpiece centering;Both symmetrical revolving parts processing it had been applicable to, it can also be used to the processing of asymmetric revolving parts; Clever structure, it is easy to operate.
Brief description of the drawings
Technical solution of the present invention is described further below in conjunction with the accompanying drawings:
Accompanying drawing 1 is the front view of parallelogram centering clamping device of the present invention;
Accompanying drawing 2 is the top view of parallelogram centering clamping device of the present invention;
Accompanying drawing 3 is the partial enlarged drawing of part A in accompanying drawing 2;
Accompanying drawing 4 is the partial enlarged drawing of part B in accompanying drawing 2;
Wherein:1st, clamp body;2nd, left bearing pin;3rd, left bearing;4th, screw mandrel;5th, left support rod;6th, left base;7th, left bearing pin platform Rank;8th, left active ring;9th, left pad;10th, left-hand rotation ring;11st, turn left pin;12nd, revolving parts;13rd, turn right and sell;14th, right-hand rotation ring; 15th, right pad;16th, right active ring;17th, right bearing pin step;18th, right bearing pin;19th, right base;20th, right support rod;21st, right axle Hold;22nd, handle;23rd, right handle;24th, right nut;25th, right carrier bar;26th, fixed plate;27th, float plate;28th, left carrier bar;29th, it is left Handle;30th, left nut;31st, right main change uncinus;32nd, right-hand rotation ring groove 33, left main change uncinus;34th, left-hand rotation ring is recessed Groove.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
Accompanying drawing 1-4 is a kind of parallelogram centering clamping device of the present invention, including:Clamp body 1;The fixture The inside of body 1 is provided with the rotatable screw mandrel 4 through clamp body both sides;The both ends of screw mandrel 4 are equipped with one with clamp body junction Bearing;The screw mandrel can be achieved to rotate between two bearings;The upper surface of clamp body 1 is provided with left carrier bar 28 and right carrier bar 25;The rear end of the left carrier bar 28 and right carrier bar 25 is rotatably connected on clamp body 1;The left carrier bar 28 and right carrier bar 25 Middle part is respectively provided with a support rod;The lower end of the support rod is equipped with a nut;The nut is arranged on screw mandrel;The left chain Float plate 27 is provided between the front end of plate 28 and right carrier bar 25;On the clamp body 1 after left carrier bar 28 and right carrier bar 25 Fixed plate 26 is provided between end;The left carrier bar 28 be arranged in parallel with right carrier bar 25, and length is identical;The float plate 27, consolidate Fixed board 26 is mutually parallel with screw mandrel 4;The rear end of the left carrier bar 28 and right carrier bar 25 on the same line, and straight line and screw mandrel It is parallel;One end of the screw mandrel 4 is located at the outside of clamp body 1 and is provided with handle 22.
The rear end lower of the left carrier bar 28 and right carrier bar 25 is equipped with a change;The lower end of the change is equipped with a master Rotating ring;Pad is provided between change and the active ring;It is provided with and ships and resell on another market between change and the active ring;The change can rotate Pin rotates;The active ring lower end is equipped with an active bearing pin;The upper end of the active bearing pin is provided with circular shaft step;The active Ring is arranged on the circular shaft step of active bearing pin;The active bearing pin is upper to be provided with base in the lower section of circular shaft step;The bottom Seat is arranged on clamp body upper surface.
In the present embodiment, the rear end of the left carrier bar 28 can be rotatably set on clamp body 1;After the right carrier bar 25 End can be rotatably set on clamp body 1;The middle part of the left carrier bar 28 is supported on left nut 30 by left support bar 5;It is described Left nut 30 is connected with screw mandrel 4;The rotation of the left nut 30 drives moving left and right for left carrier bar 28;In the right carrier bar 25 Portion is supported on right nut 24 by right support bar 20;The right nut 24 is connected with screw mandrel 4;The right carrier bar 25 and left carrier bar 28 It is arranged in parallel, and length is identical;The front end of the left carrier bar 28 and the front end hinge connection of right carrier bar 25 are provided with float plate 27;Institute State left carrier bar 25 and the junction of float plate 27 is provided with left handle 29, so as to realize that left carrier bar 25 and the elasticity of float plate 27 are adjusted It is whole;The right carrier bar 25 and the junction of float plate 27 are provided with right handle 23, so as to realize the pine of right carrier bar 25 and float plate 27 Tightness adjusts;Fixed plate 26 positioned at the opposite of float plate 27 is fixed on the working face of clamp body 1, and is located at the left He of carrier bar 28 Between the right pivot of carrier bar 25.
The rear end of the left carrier bar 28, which is enclosed in left main pin 2, realizes rotation;The rear end of the right carrier bar 25 is enclosed on right master Rotation is realized on bearing pin 18;The left main pin 2 and right main pin 18 are fixed on clamp body 1;The left main pin 2 and left chain The junction of plate 28 is provided with circular shaft step;The right main pin 18 is provided with circular shaft step with the right junction of carrier bar 25;The left stub The junction of axle 2 and clamp body is provided with left base 6;The right main pin 18 and the junction of clamp body are provided with right base 19;Institute State the left rear end of carrier bar 28 and include left-hand rotation ring 10 and left active ring 8;The side left-hand rotation pin 11 of the left-hand rotation ring 10 is connected to left master On the side of change 8, and left pad 9 is provided among left-hand rotation ring 10 and left main change 8;The opposite side of the left-hand rotation ring 10 is provided with a left side Change groove 34;The opposite side of the left active ring 8 is provided with left main change uncinus 33;The left main change uncinus 33 can be inserted Enter in ring groove 34, fasten left-hand rotation ring 10 and left main change 8;The right carrier bar rear end includes right-hand rotation ring 14 and right active Ring 16;The side right-hand rotation pin 13 of the right-hand rotation ring 14 is connected on the side of right main change 16, and right-hand rotation ring 14 and right master turn Right pad 15 is provided among ring 16;The opposite side of the right-hand rotation ring 14 is provided with right-hand rotation ring groove 32;The right active ring 16 it is another Side is provided with right main change uncinus 31;The right main change uncinus 31 can be inserted into right-hand rotation ring groove 32, make the He of right-hand rotation ring 14 Right main change 16 fastens.
Described one end of clamp body 1 is provided with left bearing 3;The clamp body other end is provided with right bearing 21;The screw mandrel 4 is on a left side It can be achieved to rotate between bearing 3 and right bearing 21;The screw mandrel 4 is provided with handle 22 close to one end of right bearing;During work, rotate Handle 22 rotates screw mandrel 4, drives left nut 30 and right nut 24 to move in the same direction, so as to realize left carrier bar 28 and right carrier bar 25 It is mobile in the same direction;Being adjacent to for float plate 27 and fixed plate 26 is realized by aforesaid operations, so as to realize the centering folder to rotary part Tight function.
The beneficial effects of the invention are as follows:A kind of parallelogram centering clamping device of the present invention, is suitable for a variety of The centering of workpiece shapes, which clamps, to be required, and applicable accessory size wider range;Suitable for it is various can drill jig, fraise jig etc. will Seek the occasion of workpiece centering;Both symmetrical revolving parts processing it had been applicable to, it can also be used to the processing of asymmetric revolving parts; Clever structure, it is easy to operate.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to the present invention The equivalent change or modification that Spirit Essence is made, it should all cover within the scope of the present invention.

Claims (4)

  1. A kind of 1. parallelogram centering clamping device, it is characterised in that:Including:Clamp body;It is provided with and passes through inside the clamp body Wear the rotatable screw mandrel of clamp body both sides;The clamp body upper surface is provided with left carrier bar and right carrier bar;The left carrier bar and The rear end of right carrier bar is rotatably connected on clamp body;A support rod is equipped with the middle part of the left carrier bar and right carrier bar;It is described The lower end of support rod is equipped with a nut;The nut is arranged on screw mandrel;Set between the left carrier bar and the front end of right carrier bar There is float plate;Fixed plate is provided with the clamp body between left carrier bar and the rear end of right carrier bar;The left carrier bar and right chain Plate be arranged in parallel, and length is identical;The float plate, fixed plate and screw mandrel are mutually parallel;The left carrier bar and right carrier bar On the same line, and straight line is parallel with screw mandrel for rear end;One end of the screw mandrel, which is located on the outside of clamp body, is provided with handle.
  2. A kind of 2. parallelogram centering clamping device according to claim 1, it is characterised in that:The left carrier bar and the right side The rear end lower of carrier bar is equipped with a change;The lower end of the change is equipped with an active ring;Between change and the active ring Provided with shipping and reselling on another market;The change can rotate around shipping and reselling on another market;The active ring lower end is equipped with an active bearing pin;The active bearing pin it is upper End is provided with circular shaft step;The active ring is arranged on the circular shaft step of active bearing pin;The active bearing pin is upper in circular shaft platform The lower section of rank is provided with base;The base is arranged on clamp body upper surface.
  3. A kind of 3. parallelogram centering clamping device according to claim 2, it is characterised in that:The screw mandrel both ends with Clamp body junction is equipped with a bearing;The screw mandrel can be achieved to rotate between two bearings.
  4. A kind of 4. parallelogram centering clamping device according to claim 3, it is characterised in that:The change and active Pad is provided between ring.
CN201610259933.1A 2016-04-25 2016-04-25 A kind of parallelogram centering clamping device Active CN105666174B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610259933.1A CN105666174B (en) 2016-04-25 2016-04-25 A kind of parallelogram centering clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610259933.1A CN105666174B (en) 2016-04-25 2016-04-25 A kind of parallelogram centering clamping device

Publications (2)

Publication Number Publication Date
CN105666174A CN105666174A (en) 2016-06-15
CN105666174B true CN105666174B (en) 2018-02-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610259933.1A Active CN105666174B (en) 2016-04-25 2016-04-25 A kind of parallelogram centering clamping device

Country Status (1)

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0760585A (en) * 1993-08-26 1995-03-07 Okuma Mach Works Ltd Tool pot direction turning device for magazine
CN201455372U (en) * 2009-07-29 2010-05-12 三门峡合鑫机床有限公司 Positioning and scale-dividing clamping device for milling machine work-piece with grooved shaft head
CN203610998U (en) * 2013-12-20 2014-05-28 山东华瑞丰机械有限公司 Clamp for machining back-attached reed bracket of automobile
CN203918553U (en) * 2014-05-24 2014-11-05 江苏亚星锚链股份有限公司 A kind of sawing machine bar clamping device
CN204036053U (en) * 2014-09-03 2014-12-24 湖北三江航天红阳机电有限公司 A kind of sheet material cross directional stretch cartridge device
CN205600330U (en) * 2016-04-25 2016-09-28 苏州市职业大学 Parallelogram centering clamping device

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