CN201970065U - Self-locking welding, assembling and positioning clamper - Google Patents

Self-locking welding, assembling and positioning clamper Download PDF

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Publication number
CN201970065U
CN201970065U CN2010206612634U CN201020661263U CN201970065U CN 201970065 U CN201970065 U CN 201970065U CN 2010206612634 U CN2010206612634 U CN 2010206612634U CN 201020661263 U CN201020661263 U CN 201020661263U CN 201970065 U CN201970065 U CN 201970065U
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CN
China
Prior art keywords
self
locking
clamping
arm
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010206612634U
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Chinese (zh)
Inventor
王元勋
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Huazhong University of Science and Technology
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Huazhong University of Science and Technology
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Publication date
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Priority to CN2010206612634U priority Critical patent/CN201970065U/en
Application granted granted Critical
Publication of CN201970065U publication Critical patent/CN201970065U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a self-locking welding assembling and positioning clamper, comprising a bearer, a connection plate, a compaction arm, a positioning block, a press block, a clamping cylinder, a position limit block, a self-locking mechanism, an adjustment gasket and a handle, wherein the connection plate is connected with the bearer, the positioning block is fixed on the connection plate, the press block is fixed on the compaction arm, the compaction arm is connected with the connection plate by a pin axle and a fixation support arm, the clamping cylinder is connected with the connection plate by the pin axle, the self-locking mechanism is arranged between the clamping cylinder and the compaction arm and driven by the clamping cylinder to drive the rotation of the compaction arm, thus the compaction arm is compacted or opened and the movement of the self-locking mechanism is limited by the position limit block. The self-locking mechanism is designed on the self-locking welding, assembling and positioning clamper, so as to ensure reliable and safe clamping of the clamper when accident power failure and gas failure or under other external force action.

Description

A kind of self-locking positioning fixture that is welded
Technical field
The utility model relates to the metal solder field, and particularly a kind of metal solder positioning clamping device is used for fixing, locate or clamping of welding work pieces.
Background technology
The body of a motor car parts are in the process of being welded, need special soldering cramping apparatus to come the relative position of part or assembly is positioned, and it clamp is fitted, soldering cramping apparatus plays location, clamping, reduce the part welding deformation, guarantee the important function of part welding precision.The location of soldering cramping apparatus is made of the location and the two big factors of clamping, and feasible soldering cramping apparatus must guarantee accurate positioning, keeps good stickiness with parts.
Patent documentation CN101053933A discloses the integral type binding clasp in a kind of automobile welding and assembling clamp, comprise limited block, contiguous block, forked type spare, piston, piston rod, return pin, reinforcement steel disc, sensing chip, piston rod is connected with sensing chip, forked type spare, strengthens steel disc, contiguous block and return pin.Adopt the design of " linkage " principle, produce very big clamping force with less relatively operating air pressure; Can be automatically locked at clamped position, safe in utilization; The modular construction of employing standard, the output torque value is fixed, and makes things convenient for jig Design and model to select; Also can realize automatic control.
Patent documentation CN201316885Y discloses a kind of location hold-down mechanism of automobile welding and assembling clamp, comprise the alignment pin that is connected with template, described alignment pin has the through slot by axis, two briquettings and briquetting that alignment pin below is provided with briquetting seat with endoporus, cut the shape motion draw extension means in, it is little to take up room, avoided compressing the sheet metal component distortion that causes, can improve the welding precision of automobile body-in-white by the power transmission.
Prior art does not relate to suddenly dies or the safeguard protection and reliable use of other external force effect lower clamps, or too immobilization of structure, is not easy to actual use flexibly, and cost is too high.But die suddenly sometimes in producing or be subjected to the effect of other unexpected external force to make the anchor clamps mistake open or not have clamping action, so not only can not guarantee welding production reliably, also be easy to generate danger.
Summary of the invention
The purpose of this utility model is to propose a kind of self-locking positioning fixture that is welded, and has the clamping auto-lock function, can solve to die suddenly in the production or be subjected to the effect of other unexpected external force to make the anchor clamps mistake open or not have the problem of clamping action.
As follows for realizing the concrete technical scheme that the purpose of this utility model adopted:
A kind of self-locking positioning fixture that is welded, comprise bearing, connecting plate, clamping arm, locating piece, briquetting, clamping cylinder, limited block, self-locking mechanism, adjustment pad and handle, described bearing is used for whole anchor clamps are fixed to workbench, described connecting plate is connected with bearing, described locating piece is fixed on the connecting plate, described briquetting is fixed on the clamping arm, workpiece is compressed, described clamping arm links to each other with connecting plate by bearing pin and fixed support arm, and described clamping cylinder links to each other with connecting plate by bearing pin; It is characterized in that, be provided with self-locking mechanism between described clamping cylinder and the clamping arm, the described self-locking mechanism of this clamping air cylinder driven drives clamping arm and rotates around bearing pin, clamping arm is compressed or opens, and the described limited block that moves through of described self-locking mechanism limits.
Described self-locking mechanism comprises support arm, linking arm and connecting rod, described support arm is fixed by screw and connecting plate, be connected with clamping arm by bearing pin, described linking arm is connected with support arm by bearing pin, be connected with the clamping cylinder by bearing pin, described connecting rod is connected with clamping arm with linking arm respectively by bearing pin.
Connecting plate will be located clamping part by screw and pin and will be connected with bearing, locating piece is fixed on the connecting plate, workpiece is played the support positioning action, briquetting is fixed on the clamping arm, and workpiece is compressed, and clamping arm links to each other with connecting plate by bearing pin and fixed support arm, clamping cylinder links to each other with connecting plate by bearing pin, clamp between cylinder and the clamping arm and be provided with self-locking mechanism, drive clamping arm by self-locking mechanism and rotate, the movement position of limited block restriction self-locking mechanism connecting rod around bearing pin.Bearing is fixed to whole anchor clamps on the workbench, and handle is used to realize manual clamping.Clamping cylinder compresses or opens by changing ventilation path driving clamping arm.When clamping cylinder and make clamping arm be in compacted position, the clamping force, self-locking mechanism that clamps cylinder and connecting plate and clamping arm connect fulcrum power, to reach the clamping arm upper holder block parallel to the thrust of welding work pieces, the self-locking mechanism self-locking.Do not apply the power of opening downwards as long as clamp cylinder, briquetting can be all the time workpiece pressing tightly, guarantee that anchor clamps die or other external force effect lower clamp reliable clamping safety suddenly.When the clamping cylinder applied the power of opening downwards, self-locking mechanism drove clamping arm and opens anchor clamps.
This self-locking be welded positioning fixture shape, structure and in conjunction with on the total necessary technology of immediate prior art be: anchor clamps adopt bearing and connecting plate connected mode, by the pneumatic pinch air cylinder driven, realize to the automatic clamping of workpiece with open.This self-locking is welded positioning fixture in shape, structure and combination thereof, the feature that is different from immediate prior art is: increase self-locking mechanism, guarantee that anchor clamps die suddenly or other external force effect lower clamp reliable clamping, safety, guarantee the soldering cramping apparatus accurate positioning, keep good stickiness with parts.
This self-locking positioning fixture that is welded is applicable to body of a motor car parts welding location, also can be applicable to the welding location of general sheet member etc.Self-locking mechanism guarantees that anchor clamps die suddenly or other external force effect lower clamp reliable clamping, and safety is guaranteed the soldering cramping apparatus accurate positioning, keeps good stickiness with parts.
Description of drawings
Fig. 1 forms structure chart for the self-locking soldering cramping apparatus;
Fig. 2 forms structure chart for self-locking mechanism.
The specific embodiment
The self-locking positioning fixture that is welded is described further to the utility model below in conjunction with the drawings and specific embodiments.
As Fig. 1-shown in Figure 2, self-locking of the present utility model be welded positioning fixture by bearing 1, connecting plate 2, clamping arm 3, locating piece 4, briquetting 5, clamp cylinder 6, limited block 7, self-locking mechanism 8, adjust pad 9, handle 10 is formed.
Wherein, described connecting plate 2 is connected with bearing 1 by the screw of 4 M10 and the pin of two Ф 10, and pin guarantees the relative accuracy of connecting plate 2 and bearing 1; Locating piece 4 is fixed on the connecting plate 2, and workpiece is played the support positioning action, by the relative accuracy of pin or spacing assurance itself and connecting plate 2; Briquetting 5 is fixed on the clamping arm 3, workpiece is compressed, by the relative accuracy of pin or spacing assurance itself and clamping arm 3; Clamping arm 3 links to each other with connecting plate 2 by bearing pin and fixed support arm, clamping cylinder 6 links to each other with connecting plate 2 by bearing pin, clamp between cylinder 6 and the clamping arm 3 and be provided with self-locking mechanism 8, drive clamping arm 3 by self-locking mechanism 8 and rotate, the movement position of limited block 7 restriction self-locking mechanisms 8 connecting rods around bearing pin.Bearing 1 is fixed to whole anchor clamps on the workbench, and handle 10 is used to realize manual clamping.
Clamping cylinder 6 makes clamping arm 3 compress or open by changing ventilation path driving self-locking mechanism 8.
Self-locking mechanism 8 comprises support arm 81, linking arm 82 and connecting rod 83, described support arm 81 is fixing by screw and connecting plate 2, be connected with clamping arm 3 by bearing pin 85, described linking arm 82 is connected with support arm 81 by bearing pin 84, be connected with clamping cylinder 6 by bearing pin 86, described connecting rod 83 is connected with clamping arm 3 with linking arm 82 respectively by bearing pin 87,88.
When clamping cylinder 6 driving self-locking mechanisms 8 make clamping arm 3 be in compacted position, clamp cylinder 6 acts on self-locking mechanism 8 linking arms 82 by bearing pin 86 clamping force, connecting rod 83 by bearing pin 88 act on thrust on the anchor clamps clamping arm 3, and clamping arm 3 on the thrust of 5 pairs of welding work pieces of briquetting parallel, self-locking mechanism 8 self-lockings.Like this, do not apply the power of opening downwards as long as clamp cylinder 6, briquetting 5 is understood all the time workpiece pressing tightly, and the assurance anchor clamps are died or other external force effect lower clamp reliable clamping safety suddenly.When clamping cylinder 6 applied the power of opening downwards, self-locking mechanism 8 drove clamping arms 3 and opens anchor clamps.

Claims (2)

1. self-locking positioning fixture that is welded, comprise bearing (1), connecting plate (2), clamping arm (3), locating piece (4), briquetting (5), clamp cylinder (6), limited block (7), self-locking mechanism (8), adjust pad (9) and handle (10), described bearing (1) is used for whole anchor clamps are fixed to workbench, described connecting plate (2) is connected with bearing (1), described locating piece (4) is fixed on the connecting plate (2), described briquetting (5) is fixed on the clamping arm (3), workpiece is compressed, described clamping arm (3) links to each other with connecting plate (2) by bearing pin and fixed support arm, and described clamping cylinder (6) links to each other with connecting plate (2) by bearing pin; It is characterized in that, be provided with self-locking mechanism (8) between described clamping cylinder (6) and the clamping arm (3), this clamping cylinder (6) drives described self-locking mechanism (8) drive clamping arm (3) and rotates around bearing pin, make clamping arm (3) compress or open, the described limited block (7) that moves through of described self-locking mechanism (8) limits.
2. anchor clamps according to claim 1, it is characterized in that, described self-locking mechanism (8) comprises support arm (81), linking arm (82) and connecting rod (83), described support arm (81) is fixing by screw and connecting plate (2), be connected with clamping arm (3) by bearing pin (85), described linking arm (82) is connected with support arm (81) by bearing pin (84), be connected with clamping cylinder (6) by bearing pin (86), described connecting rod (83) is connected with clamping arm (3) with linking arm (82) respectively by bearing pin (87,88).
CN2010206612634U 2010-12-15 2010-12-15 Self-locking welding, assembling and positioning clamper Expired - Fee Related CN201970065U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206612634U CN201970065U (en) 2010-12-15 2010-12-15 Self-locking welding, assembling and positioning clamper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206612634U CN201970065U (en) 2010-12-15 2010-12-15 Self-locking welding, assembling and positioning clamper

Publications (1)

Publication Number Publication Date
CN201970065U true CN201970065U (en) 2011-09-14

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102407422A (en) * 2011-12-05 2012-04-11 安徽省芜湖仪器仪表研究所 Pneumatic clamping and self-locking device and method for clamping workpieces by using same
CN103157940A (en) * 2011-12-13 2013-06-19 奇昊汽车系统(苏州)有限公司 Positioning tool capable of preventing welding deformation of automotive instrument panel support
CN103170930A (en) * 2013-03-20 2013-06-26 大连奥托股份有限公司 Movable handle mechanism of manual air cylinder of clamp
CN103921042A (en) * 2014-03-31 2014-07-16 大连奥托股份有限公司 Support clamping structure with positioning blocks capable of being opened after welding to bring convenience for fetching workpieces
CN104722999A (en) * 2015-04-03 2015-06-24 安徽江淮汽车股份有限公司 Tooling fixture
CN106425245A (en) * 2016-12-14 2017-02-22 安徽江淮汽车集团股份有限公司 U-shaped beam compacting mechanism
CN108168477A (en) * 2017-12-20 2018-06-15 昆山威特亿模具有限公司 Sheet metal component hole locating device
CN110587644A (en) * 2019-10-23 2019-12-20 烟台宇信科技有限公司 Self-locking positioning pressing mechanism for workpiece carrying

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102407422A (en) * 2011-12-05 2012-04-11 安徽省芜湖仪器仪表研究所 Pneumatic clamping and self-locking device and method for clamping workpieces by using same
CN103157940A (en) * 2011-12-13 2013-06-19 奇昊汽车系统(苏州)有限公司 Positioning tool capable of preventing welding deformation of automotive instrument panel support
CN103170930A (en) * 2013-03-20 2013-06-26 大连奥托股份有限公司 Movable handle mechanism of manual air cylinder of clamp
CN103921042A (en) * 2014-03-31 2014-07-16 大连奥托股份有限公司 Support clamping structure with positioning blocks capable of being opened after welding to bring convenience for fetching workpieces
CN104722999A (en) * 2015-04-03 2015-06-24 安徽江淮汽车股份有限公司 Tooling fixture
CN106425245A (en) * 2016-12-14 2017-02-22 安徽江淮汽车集团股份有限公司 U-shaped beam compacting mechanism
CN108168477A (en) * 2017-12-20 2018-06-15 昆山威特亿模具有限公司 Sheet metal component hole locating device
CN110587644A (en) * 2019-10-23 2019-12-20 烟台宇信科技有限公司 Self-locking positioning pressing mechanism for workpiece carrying

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110914

Termination date: 20111215