CN101879674A - Frame part welding hold-down gear - Google Patents
Frame part welding hold-down gear Download PDFInfo
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- CN101879674A CN101879674A CN2010102139608A CN201010213960A CN101879674A CN 101879674 A CN101879674 A CN 101879674A CN 2010102139608 A CN2010102139608 A CN 2010102139608A CN 201010213960 A CN201010213960 A CN 201010213960A CN 101879674 A CN101879674 A CN 101879674A
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- pressing tongs
- slide block
- force rod
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- rear end
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Abstract
The invention discloses a frame part welding hold-down gear which comprises a base, a workpiece locating mechanism, a thrust mechanism and a pressure clamp clamping mechanism, wherein the workpiece locating mechanism, the thrust mechanism and the pressure clamp clamping mechanism are arranged on the upper end of the base; the workpiece locating mechanism comprises a locating seat and a locating pin; the thrust mechanism comprises a cylinder which is opposite to the locating seat, and the expansion link of the cylinder is connected with the back end of the locating pin and provided with a slide block of which the two sides have a forward taper; the pressure clamp clamping mechanism comprises two long pressure clamps which are symmetrically arranged at two sides of the expansion link; the middle part of each pressure clamp is hinged on the base; the front end of each pressure clamp is respectively positioned at two sides of the locating surface on the locating seat and has a tip which relatively bends inwards; the back end of each pressure clamp is provided with a transverse stressed rod; and the inward end of the stressed rod abuts against the lateral side of the taper of the slide block. The invention has the advantages of simple structure, low cost, good clamping effect and space saving, can clamp and locate the part to be welded from the lateral side, and is beneficial to welding.
Description
Technical field
The present invention relates to automobile, motorcycle manufacturing field, can compress the device of location when especially a kind of automobile, motorcycle welding parts.
Background technology
At present, automobile, motorcycle welding assembly have developed into typical all-welded structure.Satisfy product requirement in order to ensure the weldment size, can implement welding after must compressing the location to important parts with weld jig, the common hold-down mechanism of weld jig has manual hold-down mechanism, spiral hold-down mechanism, the eccentric hold-down mechanism of circle and lever-hinge hold-down mechanism.Described manual hold-down mechanism is to be power source with the manpower, by handle or pedal, is used to adorn the mechanism of weldering operation by manually-operated.It is simple in structure, has self-locking and expands the power performance, and operating efficiency is lower, and labour intensity is bigger.Described spiral hold-down mechanism is to expand power with screw pair, directly or indirectly clamps the hold-down mechanism of weldment, because of inefficiency, only uses in single-piece and small lot welding production.The eccentric hold-down mechanism of described circle clamps agility, makes easily, but the expansion force rate is little, clamps stable not enough.Described lever-hinge hold-down mechanism is the composite pressing mechanism that is hinged and is formed by lever, flap and bearing.Above-mentioned hold-down mechanism all when compressing, need exert pressure (described dead ahead is meant vehicle frame place direction) in the dead ahead of workpiece, be that the tight mechanism of finger pressure need exert pressure to workpiece at the gap location between workpiece and the vehicle frame and compresses, so need workpiece between welding position and the vehicle frame bigger space will not arranged, once workpiece not between welding position and the vehicle frame space too small, just can not use above-mentioned hold-down mechanism.
So less because of the space of assembling in order to solve individual part, hold-down mechanism commonly used can't be to its problem that compresses, so be badly in need of wanting a kind of device that can enforcement compresses to workpiece in limited space.
Summary of the invention
Technical problem to be solved by this invention is, in order to overcome above-mentioned the deficiencies in the prior art, and provide a kind of frame part welding hold-down gear that can under the very little situation in gap between workpiece and the vehicle frame, compress to workpiece, conserve space, be beneficial to welding, and then also make it possess simple in structure, with low cost, clamping good effectiveness.
In order to solve the problems of the technologies described above, adopted following technical scheme among the present invention:
A kind of frame part welding hold-down gear, its characteristics be, comprises base and be arranged at workpiece detent mechanism, thrust mechanism and the pressure clamp clamping of base upper end; Described workpiece detent mechanism comprises positioning seat and alignment pin, and described positioning seat has a vertical plane that is positioned at the outside as locating surface, and horizontally disposed alignment pin front end vertically runs through the locating surface of positioning seat; Described thrust mechanism comprises the cylinder that is oppositely arranged with positioning seat, the expansion link of cylinder is connected with the alignment pin rear end and can drives the alignment pin front end and stretches out from the positioning seat locating surface and withdraw, and the expansion link of cylinder is provided with two sides and has the slide block of tapering forward; Described pressure clamp clamping comprises two strip pressing tongs that are symmetricly set in the expansion link both sides, the middle part of pressing tongs is articulated on the base, the front end of pressing tongs is positioned on the positioning seat locating surface both sides and has an aduncate relatively tip, the pressing tongs rear end respectively has the force rod of a horizontally set, the inside end of described force rod is connected on the slide block tapering side, pressure clamp clamping also comprises two stage clips, and described two stage clips are connected between two pressing tongs rear ends and the base and force pressing tongs rear end force rod and slide block tapering side pushes against.Wherein said positioning seat place direction is a front end, and cylinder place direction is the rear end, and the direction between two pressing tongs is inboard, and the direction outside the pressing tongs is the outside.
When it uses, workpiece is positioned over the positioning seat end face, control cylinder is vertically released the expansion link of cylinder forward, and alignment pin stretches out the positioning seat end face accurately locatees workpiece, guarantees fitted position.Simultaneously, the both sides profile of slider part is a conical design forward, so can in the proal process, utilize the range difference of conical sliding block front end and rear end with expansion link at slide block, forces the force rod of pressing tongs rear end to move laterally; And then force the pressing tongs front end to turn to the inside and it is compressed from the workpiece both sides by lever principle.After weld job was finished, the control cylinder expansion link was return, and the pressing tongs rear end is travelling backwards to the inside under the stage clip effect, and the pressing tongs front end is opened laterally, was convenient to the workpiece inloading part.
As optimization, the place of offseting, tapering side with slide block on the force rod of described pressing tongs rear end is provided with roller, and pressing tongs rear end force rod connects by the tapering side of roller and slide block.Sliding friction can be converted into rolling friction like this, avoid slide block to be stuck, rolling friction simultaneously is beneficial to the conversion and the transmission of power more, makes mechanism's whole efficiency higher, reacts sensitiveer.
As further optimization, described alignment pin is provided with three, and three alignment pin rear ends are connected with the cylinder expansion link by a contiguous block.Like this, by three-point fix, can make the workpiece location more accurately, reliably.
As further optimization, on the described base, two pressing tongs rear end correspondences are provided with two blocks; On the force rod of described pressing tongs rear end, an end opposite with the slide block direction passes this block rear thread adjusting nut that spins.Like this,, can regulate position, the force rod left and right sides, and then make that the rotating angular dimension of pressing tongs front end can adjusted and control by the rotation adjusting nut.
As further optimization, also be provided with the support ring of a circle projection on the described force rod, described stage clip is helical form and is socketed between the support ring and the block on the base on the force rod.Like this, have advantages such as simple in structure, that assembling is convenient.
In sum, than prior art, the present invention has the following advantages:
1, among the present invention, because pressing tongs compresses from the two sides of workpiece, the most advanced and sophisticated institute of pressing tongs takes up space little, so as long as between the dead ahead and vehicle frame of workpiece, there is not the gap greater than the pressing tongs tip welding position, can compress workpiece, particularly, only need gap above about 5mm, just can workpiece pressing.Solved in the prior art unsolvedly always, when the gap is too small between workpiece to be welded and the vehicle frame, be difficult to a difficult problem Work-sheet pressing.
2, among the present invention, carry out the conversion of power dexterously by pressure clamp clamping, so making only needs a cylinder can compress the location to the clamping force that workpiece produces on former and later two directions as the thrust source, so not only simple in structurely tightly play, low cost of manufacture, and control is convenient, stable, high efficiency, greatly reduces labor strength.
3, among the present invention, because force transmission mechanism has adopted spring, select the spring specification for use according to the size of thrust, pressing tongs and workpiece are Elastic Contact, have improved the service life of pressing tongs.
4, pressure clamp clamping of the present invention adopts the bi-directional symmetrical structural design, and the pressing tongs front end compresses two points of left and right sides of workpiece simultaneously, and the installation of workpiece and compress has all very convenient, fastly reduced working strength of workers effectively, has saved the operating time.
5, the present invention not only can position but also workpiece had been compressed workpiece, and collecting two kinds of functions is one, and adopted cylinder as power source, so the location is quick, compressed reliably, had saving of work and time, the advantage that automaticity is high.
Description of drawings
Fig. 1 is the structural representation of the present invention when overlooking.
The specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
During concrete enforcement, as shown in Figure 1, a kind of frame part welding hold-down gear comprises base 1 and is arranged at the conplane workpiece detent mechanism in base 1 upper end, thrust mechanism and pressure clamp clamping; Described workpiece detent mechanism comprises positioning seat 2 and alignment pin 3, and described positioning seat 2 has a vertical plane that is positioned at the outside as locating surface, and horizontally disposed alignment pin 3 front ends vertically run through the locating surface of positioning seat 2; Described thrust mechanism comprises the cylinder 4 that is oppositely arranged with positioning seat 2, the expansion link 5 of cylinder 4 is connected with alignment pin 3 rear ends and can drives alignment pin 3 front ends and stretches out from positioning seat 2 locating surfaces and withdraw, and the expansion link 5 of cylinder is provided with two sides and has the slide block 6 of tapering forward; Described pressure clamp clamping comprises two strip pressing tongs 7 that are symmetricly set in expansion link 5 both sides, the middle part of pressing tongs 7 is articulated on the base 1, the front end of pressing tongs 7 is positioned on the positioning seat 2 the locating surface both sides and has one aduncate relatively most advanced and sophisticated 8, pressing tongs 7 rear ends respectively have the force rod 9 of a horizontally set, described force rod 9 inside ends are connected on the slide block 6 tapering sides, pressure clamp clamping also comprises two stage clips 10, and described two stage clips 10 are connected between two pressing tongs rear ends and the base and force pressing tongs rear end force rod 9 and slide block 6 tapering sides to push against.Specifically, the place of offseting, tapering side with slide block 6 on the force rod 9 of described pressing tongs rear end is provided with roller 11, and pressing tongs rear end force rod 9 connects by the tapering side of roller 11 with slide block 6.Wherein, described alignment pin 3 is provided with three, and three alignment pin 3 rear ends are connected with cylinder expansion link 5 by a contiguous block 12.On the described base 1, two pressing tongs, 7 rear end force rods, 9 position correspondences are provided with two blocks 13; On the force rod 9 of described pressing tongs rear end, an end opposite with slide block 6 directions passes these block 13 rear threads adjusting nut 14 that spins; Also be provided with the support ring 15 of a circle projection on the described force rod 9, described stage clip 10 is crimped between the support ring 15 and the block 13 on the base 1 on the force rod 9 for helical form and suit.
During concrete enforcement, the structure of described positioning seat 2 and alignment pin 3 can basis, the difference of concrete part to be welded and adjusting, particularly the quantity of alignment pin 3, distributing position, pointed shape all can be adjusted according to concrete part situation, can firmly part to be welded be fastened fixing getting final product after making it and pressing tongs cooperating.
Claims (5)
1. a frame part welding hold-down gear is characterized in that, comprises base and is arranged at workpiece detent mechanism, thrust mechanism and the pressure clamp clamping of base upper end; Described workpiece detent mechanism comprises positioning seat and alignment pin, and described positioning seat has a vertical plane that is positioned at the outside as locating surface, and horizontally disposed alignment pin front end vertically runs through the locating surface of positioning seat; Described thrust mechanism comprises the cylinder that is oppositely arranged with positioning seat, the expansion link of cylinder is connected with the alignment pin rear end and can drives the alignment pin front end and stretches out from the positioning seat locating surface and withdraw, and the expansion link of cylinder is provided with two sides and has the slide block of tapering forward; Described pressure clamp clamping comprises two strip pressing tongs that are symmetricly set in the expansion link both sides, the middle part of pressing tongs is articulated on the base, the front end of pressing tongs is positioned on the positioning seat locating surface both sides and has an aduncate relatively tip, the pressing tongs rear end respectively has the force rod of a horizontally set, the inside end of described force rod is connected on the slide block tapering side, pressure clamp clamping also comprises two stage clips, and described two stage clips are connected between two pressing tongs rear ends and the base and force pressing tongs rear end force rod and slide block tapering side pushes against.
2. frame part welding hold-down gear as claimed in claim 1 is characterized in that, the place of offseting, tapering side with slide block on the force rod of described pressing tongs rear end is provided with roller, and pressing tongs rear end force rod connects by the tapering side of roller and slide block.
3. frame part welding hold-down gear as claimed in claim 1 is characterized in that, described alignment pin is provided with three, and three alignment pin rear ends are connected with the cylinder expansion link by a contiguous block.
4. frame part welding hold-down gear as claimed in claim 1 is characterized in that, on the described base, two pressing tongs rear end correspondences are provided with two blocks; On the force rod of described pressing tongs rear end, an end opposite with the slide block direction passes this block rear thread adjusting nut that spins.
5. frame part welding hold-down gear as claimed in claim 4 is characterized in that, also is provided with the support ring of a circle projection on the described force rod, and described stage clip is helical form and is socketed between the support ring and the block on the base on the force rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010213960.8A CN101879674B (en) | 2010-06-30 | 2010-06-30 | Frame part welding hold-down gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010213960.8A CN101879674B (en) | 2010-06-30 | 2010-06-30 | Frame part welding hold-down gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101879674A true CN101879674A (en) | 2010-11-10 |
| CN101879674B CN101879674B (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010213960.8A Expired - Fee Related CN101879674B (en) | 2010-06-30 | 2010-06-30 | Frame part welding hold-down gear |
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| CN (1) | CN101879674B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179780A (en) * | 2010-12-28 | 2011-09-14 | 苏州新区科兴威尔电子有限公司 | Assembly jig |
| CN102721433A (en) * | 2012-06-20 | 2012-10-10 | 无锡市麦希恩机械制造有限公司 | Positioning compressing structure |
| CN103056694A (en) * | 2012-12-13 | 2013-04-24 | 唐山轨道客车有限责任公司 | Combination clamp |
| CN105141083A (en) * | 2015-08-19 | 2015-12-09 | 苏州市圣玛特电机设备制造有限公司 | Coil inserting apparatus locating mechanism |
| CN105927637A (en) * | 2016-06-15 | 2016-09-07 | 宁波方太厨具有限公司 | Positioning assembly mechanism enabling tolerance to be uniformly divided on two sides |
| CN106216918A (en) * | 2016-08-31 | 2016-12-14 | 宁波新州焊接设备有限公司 | Workpiece fixation device in automatic spot welding equipment |
| CN108906907A (en) * | 2018-08-20 | 2018-11-30 | 佛山市三水区诺尔贝机器人研究院有限公司 | A kind of grasping mechanism and its grasping method for profile traction |
| CN108927419A (en) * | 2018-08-20 | 2018-12-04 | 佛山市三水区诺尔贝机器人研究院有限公司 | A kind of vertical section tractor device people |
| CN110405666A (en) * | 2019-08-27 | 2019-11-05 | 苏州工业职业技术学院 | A kind of limit clamp with positioning clamping function |
| CN112548390A (en) * | 2020-12-09 | 2021-03-26 | 南京思达捷信息科技有限公司 | Automatic spot welding device for hardware |
| CN114670151A (en) * | 2022-05-26 | 2022-06-28 | 苏州联讯仪器有限公司 | Temperature control clamping device, crimping box and error code testing device |
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| CN201342549Y (en) * | 2008-08-07 | 2009-11-11 | 天津北科精工自动化科技发展有限责任公司 | Coil varnished wire head clamping and resistance welding device |
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| JP2000086144A (en) * | 1998-09-14 | 2000-03-28 | Mitsuboshi Belting Ltd | Chucking device |
| JP2000084883A (en) * | 1998-09-16 | 2000-03-28 | N Ke Kk | Chucking device |
| JP2001150378A (en) * | 1999-11-24 | 2001-06-05 | Olympus Optical Co Ltd | Lens centering and holding device |
| CN2516324Y (en) * | 2001-11-07 | 2002-10-16 | 舒良 | Manipulator |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179780A (en) * | 2010-12-28 | 2011-09-14 | 苏州新区科兴威尔电子有限公司 | Assembly jig |
| CN102721433A (en) * | 2012-06-20 | 2012-10-10 | 无锡市麦希恩机械制造有限公司 | Positioning compressing structure |
| CN103056694A (en) * | 2012-12-13 | 2013-04-24 | 唐山轨道客车有限责任公司 | Combination clamp |
| CN105141083A (en) * | 2015-08-19 | 2015-12-09 | 苏州市圣玛特电机设备制造有限公司 | Coil inserting apparatus locating mechanism |
| CN105927637B (en) * | 2016-06-15 | 2018-03-13 | 宁波方太厨具有限公司 | The positioning assemble mechanism for dividing equally tolerance both sides |
| CN105927637A (en) * | 2016-06-15 | 2016-09-07 | 宁波方太厨具有限公司 | Positioning assembly mechanism enabling tolerance to be uniformly divided on two sides |
| CN106216918A (en) * | 2016-08-31 | 2016-12-14 | 宁波新州焊接设备有限公司 | Workpiece fixation device in automatic spot welding equipment |
| CN108906907A (en) * | 2018-08-20 | 2018-11-30 | 佛山市三水区诺尔贝机器人研究院有限公司 | A kind of grasping mechanism and its grasping method for profile traction |
| CN108927419A (en) * | 2018-08-20 | 2018-12-04 | 佛山市三水区诺尔贝机器人研究院有限公司 | A kind of vertical section tractor device people |
| CN108927419B (en) * | 2018-08-20 | 2024-05-24 | 广东省智行机器人科技有限公司 | Vertical section bar traction robot |
| CN110405666A (en) * | 2019-08-27 | 2019-11-05 | 苏州工业职业技术学院 | A kind of limit clamp with positioning clamping function |
| CN112548390A (en) * | 2020-12-09 | 2021-03-26 | 南京思达捷信息科技有限公司 | Automatic spot welding device for hardware |
| CN114670151A (en) * | 2022-05-26 | 2022-06-28 | 苏州联讯仪器有限公司 | Temperature control clamping device, crimping box and error code testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101879674B (en) | 2015-08-19 |
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Effective date of registration: 20151204 Address after: 400054 Banan District, Chongqing building Avenue, No. 2, building 1 Patentee after: CHONGQING CONSTRUCTION ELECTROMECHANICAL CO., LTD. Address before: 400054 Huaxi Industrial Park, Banan District, Chongqing Road, No. 1 Patentee before: Chongqing Jianshe Motorcycle Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20190630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |