CN103008941B - Positioning clamping device for workpiece with cavity and positioning hole - Google Patents
Positioning clamping device for workpiece with cavity and positioning hole Download PDFInfo
- Publication number
- CN103008941B CN103008941B CN201210188623.7A CN201210188623A CN103008941B CN 103008941 B CN103008941 B CN 103008941B CN 201210188623 A CN201210188623 A CN 201210188623A CN 103008941 B CN103008941 B CN 103008941B
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- hollow cylinder
- clamp arm
- workpiece
- cavity
- guide finger
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Abstract
The invention relates to a positioning clamping device for a workpiece with a cavity and a positioning hole. The positioning clamping device comprises a hollow cylinder, a clamping arm, a positioning pin and a driving mechanism, wherein the positioning pin is connected with the hollow cylinder; the positioning pin is exposed on the top surface of the hollow cylinder; a lateral slot is arranged in a side surface of the positioning pin; the lateral slot is communicated with an inner cavity of the hollow cylinder; the clamping arm is arranged in the hollow cylinder and is connected with the driving mechanism located outside the hollow cylinder; the top end of the clamping arm stretches out of the top surface of the hollow cylinder along the lateral slot of the positioning pin; and a pressing head is arranged at the top end of the clamping arm. The positioning clamping device has a simple structure, is convenient to operate and occupies a small space; the workpiece having the structure of the cavity and the positioning hole is effectively clamped; the positioning clamping device is also suitable for the clamping of parts with bigger structures or more complex structures; a welding channel is not plugged; and the subsequent technology, such as welding, and the like, can be smoothly and normally performed.
Description
Technical field
The present invention relates to a kind of fixture, particularly relate to a kind of positioning clamping device with the workpiece of cavity and locating hole.
Background technology
In the manufacturing process of automobile, automotive welding production line will use a large amount of Pneumatic welding clamps, in numerous locate modes, all based on 3-2-1 locate mode, that is: using two alignment pins as setting element, by 3 frees degree of the first datum level restriction workpiece, limit 2 frees degree by the second datum level, limit 1 free degree by the 3rd datum level.Normally mutually perpendicular between three datum levels, between each alignment pin and locating surface relatively far apart.This locate mode is feasible, reliable for most of parts, but for larger assembly or the more complicated parts of structure, this locate mode is irrational.Such as concerning automobile frame welding assembly, because detent mechanism is more, a lot of soldering turret access way is blocked.Sometimes this locate mode or even cannot realize, such as, for most automobile rear floor welding assembly, owing to defining cavity body structure between rear floor skirt beam and rear floor, the briquetting of Pneumatic welding clamp cannot compress rear floor welded assembly at all.
Summary of the invention
The present invention mainly solves the technical problem that original Pneumatic welding clamp cannot clamp the parts of cavity body structure; There is provided a kind of positioning clamping device with the workpiece of cavity and locating hole, its structure is simple, easy to operate, effectively can clamp the parts of cavity body structure.
The present invention solves original Pneumatic welding clamp simultaneously can block a lot of weld pass when the parts that clamping structure is comparatively large or structure is more complicated, and the technical problem of carrying out smoothly is welded in impact; There is provided a kind of positioning clamping device with the workpiece of cavity and locating hole, its structure is simple, and institute takes up space little, can not block weld pass, guarantee that the subsequent techniques such as welding can carry out smoothly.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: the present invention includes hollow cylinder, clamp arm, alignment pin and driving mechanism, alignment pin is connected with hollow cylinder and alignment pin is exposed to the end face of hollow cylinder, the side of alignment pin is provided with a side fluting, the inner space of side fluting and hollow cylinder, described clamp arm to be located in hollow cylinder and to be connected with the driving mechanism be positioned at outside hollow cylinder, the top of clamp arm stretches out in the end face of hollow cylinder along the side fluting of alignment pin, and the top of clamp arm is provided with a pressure head.By the control of driving mechanism, clamp arm can move up and down and can swing, and moves to a certain position, and the top of clamp arm can be concealed in the side fluting of alignment pin, moves to another location, and side fluting is stretched out on the top of clamp arm and its pressure head can press down.First controlling driving mechanism makes the top of clamp arm be concealed in the side fluting of alignment pin, then will the workpiece (this workpiece has cavity and locating hole) of clamping be needed to be put on the end face of hollow cylinder, alignment pin is through the locating hole on workpiece, the locating surface of workpiece and the end face of hollow cylinder are close to, controlling driving mechanism again makes the top of clamp arm stretch out side fluting, and the pressure head of clamp arm is pressed in the peripheral part in Workpiece fixing hole tightly, thus realize, to the clamping of the workpiece with cavity and locating hole, being convenient to normally carrying out of the techniques such as follow-up welding.Structure of the present invention is simple, easy to operate, and institute takes up space little, can not block weld pass, effectively can clamp the parts of cavity and locating hole structure, is also applicable to the parts that clamping structure is comparatively large or structure is more complicated.
As preferably, described driving mechanism comprises handle, drive block and upper guide finger, middle guide finger and lower guide finger, drive block is made up of two briquettings and the contiguous block be connected between two briquettings, described handle is connected with described contiguous block, two briquettings are clipped in a left side for hollow cylinder, right side, briquetting, clamp arm and hollow cylinder are equipped with gathering sill, described is upper, in, lower guide finger is all through clamp arm, upper guide finger is located in the gathering sill of clamp arm and is also connected with hollow cylinder, middle guide finger is through hollow cylinder and two terminations of middle guide finger are located in the gathering sill of briquetting, two terminations of lower guide finger are located in the gathering sill of hollow cylinder, two briquettings are pressed in the both sides of lower guide finger respectively, elastomer is provided with in described hollow cylinder, elastomer and clamp arm offset.Upper handle or press down handle, lower guide finger can move in the gathering sill of hollow cylinder, and elastomer makes stretching motion, and middle guide finger moves in the gathering sill of briquetting, and upper guide finger moves in the gathering sill of clamp arm.Because upper, middle guide finger is fixedly connected with hollow cylinder, therefore real motion is briquetting and clamp arm, briquetting under the control of handle along in guide finger rotate.Depress guide finger under briquetting, clamp arm stretches out side fluting and moves down, and the pressure head on it tightly pushes down caught workpiece, now elastomer compression; Briquetting revolution time, lower guide finger under elastomeric elastic force effect on move, clamp arm moves and be stowed to side fluting in.
As preferably, the termination of described briquetting is curved, and the gathering sill on briquetting is mounting hole; Gathering sill on described hollow cylinder is the mounting hole that vertical direction is arranged; Gathering sill on described clamp arm is connected by two mounting holes and forms, and the angle of these two mounting holes is obtuse angle.The tip shapes of the shape of three gathering sills and setting position and briquetting matches, and the movement locus according to briquetting is determined.Meet briquetting when moving downwardly to ultimate attainment, pressure head is exposed to outside the side fluting of alignment pin to side, and is pressed in the end face of hollow cylinder; When briquetting moves up to ultimate attainment, pressure head shrinks, and pressure head can all be reduced in the side fluting of alignment pin.
As preferably, described a kind of positioning clamping device with the workpiece of cavity and locating hole comprises bearing, and described hollow cylinder is located on described bearing.The workpiece making structure larger or complicated has larger convolution space when being clamped, be convenient to make clamp operation to large workpiece, also more laborsaving during clamping.
As preferably, described a kind of positioning clamping device with the workpiece of cavity and locating hole comprises bearing, described hollow cylinder is located on described bearing, described elastomer is spring, the bottom of spring is positioned at bearing, the top of spring be positioned at hollow cylinder and and the bottom of clamp arm offset.Hollow cylinder is connected by screw with bearing, and the installation of spring is more firm, operates more laborsaving.
As preferably, the pressure head of described clamp arm is lower curved coupler body.Clamping force is stronger, clamps more firm.
As preferably, described a kind of positioning clamping device with the workpiece of cavity and locating hole comprises locating piece, locating piece is located on the end face of described hollow cylinder, described alignment pin is located on locating piece, locating piece is provided with strip through hole, strip through hole is communicated with the side fluting on described alignment pin, and the top of described clamp arm stretches out in the end face of hollow cylinder through strip through hole and along the side fluting of alignment pin.Locating piece is connected by screw with hollow cylinder, and alignment pin is connected by screw with locating piece, installs more convenient, connects more firm.Strip through hole plays position-limiting action to clamp arm, more steady when clamp arm is swung.
As preferably, described clamp arm is flat, and bottom is wide, top is narrow.Top is narrow, is convenient to be stowed in the side fluting of alignment pin, and bottom is wide, is convenient to offset with spring, stressed more stable, makes clamp arm very stably move up and down and to swing.
The invention has the beneficial effects as follows: structure is simple, easy to operate, institute takes up space little, effectively can clamp the workpiece of cavity and locating hole structure, also be applicable to the parts that clamping structure is comparatively large or structure is more complicated, can not block weld pass, being convenient to the subsequent techniques such as welding can normally carry out smoothly.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the present invention.
Fig. 2 is a kind of perspective structure schematic diagram of the present invention.
Fig. 3 is a kind of syndeton schematic diagram of driving mechanism and clamp arm in the present invention.
Fig. 4 is a kind of syndeton schematic diagram of alignment pin and locating piece in the present invention.
1. hollow cylinders, 2. clamp arm, 3. alignment pin in figure, 4. side fluting, 5. pressure head, 6. handle, 7. go up guide finger, and guide finger 8., 9. descends guide finger, 10. briquetting, 11. contiguous blocks, 12. gathering sills, 13. bearings, 14. springs, 15. locating pieces, 16. strip through holes.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: a kind of positioning clamping device with the workpiece of cavity and locating hole of the present embodiment, as shown in Figure 1, comprises bearing 13, hollow cylinder 1, alignment pin 3, locating piece 15, clamp arm 2 and driving mechanism.Bearing 13 is in inverted " L " type, and the bottom of bearing 13 is connected with chassis, has a narrow chamber in the end face of bearing, is provided with a spring 14 in narrow chamber.Hollow cylinder 1 is fixed by screws in the end face of bearing, the top of spring 14 is positioned at hollow cylinder 1, inner position block 15 is fixed by screws on the end face of hollow cylinder 1, alignment pin 3 to be fixed by screws on locating piece 15 and to protrude from the end face of locating piece upward, as shown in Figure 4, locating piece 15 has a strip through hole 16, there is a side fluting 4 side of alignment pin 3, and inner chamber, the strip through hole 16 of hollow cylinder 1 are all communicated with side fluting 4.As shown in Figure 2, clamp arm 2 is positioned at hollow cylinder 1 and is connected with the driving mechanism be positioned at outside hollow cylinder 1, and the top of clamp arm 2 stretches out in the end face of locating piece through strip through hole 16 and along the side fluting 4 of alignment pin 3.Clamp arm 2 is in flat, and bottom is wide, top is narrow, and there is a pressure head 5 on the top of clamp arm 2, and pressure head 5 is lower curved coupler body, and the bottom of clamp arm and the top of spring 14 offset.
As shown in Figure 3, driving mechanism comprises curved obtuse-angulate handle 6, drive block and upper guide finger 7, middle guide finger 8 and lower guide finger 9, drive block is made up of two briquettings 10 and the contiguous block 11 be connected between two briquettings 10, one end of handle 6 is connected with contiguous block 11, the other end of handle is connected with a bulb, two briquettings 10 are clipped in the left and right side of hollow cylinder 1, and the termination of briquetting 10 is curved.As shown in Figure 1 and Figure 2, briquetting 10, clamp arm 2 and hollow cylinder 1 all have gathering sill 12, gathering sill on briquetting 10 is mounting hole, and this gathering sill is near the side of briquetting, gathering sill on hollow cylinder 1 is the mounting hole that vertical direction is arranged, and this gathering sill is near the bottom of hollow cylinder, and the gathering sill on clamp arm 2 is connected by two mounting holes and forms, the angle of these two mounting holes is obtuse angle, and the opening at this obtuse angle is towards handle.Upper, middle and lower guide finger is all through clamp arm 2, upper guide finger 7 is through in the gathering sill of clamp arm 2 and its two ends and is connected with hollow cylinder 1, the two ends of middle guide finger 8 are connected with the side of hollow cylinder 1 and two terminations of middle guide finger 8 are through in the gathering sill of briquetting 10, two terminations of lower guide finger 9 are through in the gathering sill of hollow cylinder 1 both sides, and two briquettings 10 are pressed in the both sides of lower guide finger 9 respectively.
The course of work: first go up pushing handle, the arced terminus of briquetting down, under the elastic force effect of spring, lower guide finger moves, clamp arm is driven to move along on the gathering sill on clamp arm, the top of clamp arm is stowed in the side fluting of alignment pin simultaneously, then will the workpiece (this workpiece has cavity and locating hole) of clamping be needed to be put on the end face of locating piece, and alignment pin is through the locating hole on workpiece, alignment pin stretches in the cavity of workpiece, the locating surface of workpiece and the end face of locating piece are close to, descend handle again, briquetting with middle guide finger for axle rotates, slide along lower guide finger in the termination of briquetting, and lower pressure guide finger, spring is compressed, clamp arm is driven to move down along the gathering sill on clamp arm, side fluting is stretched out on the top of clamp arm, its pressure head is pressed in the peripheral part in Workpiece fixing hole tightly, complete the clamp operation to the workpiece with cavity and locating hole.
Structure of the present invention is simple, easy to operate, and institute takes up space little, weld pass can not be blocked, be convenient to the subsequent techniques such as welding can normally carry out smoothly, effectively can clamp the parts of cavity and locating hole structure, be also applicable to the parts that clamping structure is comparatively large or structure is more complicated.
Claims (7)
1. one kind has the positioning clamping device of the workpiece of cavity and locating hole, it is characterized in that comprising hollow cylinder (1), clamp arm (2), alignment pin (3) and driving mechanism, alignment pin (3) is connected with hollow cylinder (1) and alignment pin (3) is exposed to the end face of hollow cylinder (1), the side of alignment pin (3) is provided with side fluting (4), the inner space of side fluting (4) and hollow cylinder (1), described clamp arm (2) to be located in hollow cylinder (1) and be positioned at hollow cylinder (1) driving mechanism outward and be connected, the top of clamp arm (2) stretches out in the end face of hollow cylinder (1) along side fluting (4) of alignment pin (3), the top of clamp arm (2) is provided with a pressure head (5), described driving mechanism comprises handle (6), drive block and upper guide finger (7), middle guide finger (8) and lower guide finger (9), drive block is made up of two briquettings (10) and the contiguous block (11) be connected between two briquettings (10), described handle (6) is connected with described contiguous block (11), two briquettings (10) are clipped in a left side for hollow cylinder (1), right side, briquetting (10), clamp arm (2) and hollow cylinder (1) are equipped with gathering sill (12), described is upper, in, lower guide finger is all through clamp arm (2), upper guide finger (7) is located in the gathering sill of clamp arm (2) and is also connected with hollow cylinder (1), middle guide finger (8) is through hollow cylinder (1) and two terminations of middle guide finger (8) are located in the gathering sill of briquetting (10), two terminations of lower guide finger (9) are located in the gathering sill of hollow cylinder (1), two briquettings (10) are pressed in the both sides of lower guide finger (9) respectively, elastomer is provided with in described hollow cylinder (1), elastomer and clamp arm (2) offset.
2. a kind of positioning clamping device with the workpiece of cavity and locating hole according to claim 1, it is characterized in that the termination of described briquetting (10) is curved, the gathering sill (12) on briquetting (10) is mounting hole; The mounting hole that gathering sill (12) on described hollow cylinder (1) is arranged for vertical direction; Gathering sill (12) on described clamp arm (2) is connected by two mounting holes and forms, and the angle of these two mounting holes is obtuse angle.
3. a kind of positioning clamping device with the workpiece of cavity and locating hole according to claim 1, is characterized in that comprising bearing (13), and described hollow cylinder (1) is located on described bearing (13).
4. a kind of positioning clamping device with the workpiece of cavity and locating hole according to claim 1 and 2, it is characterized in that comprising bearing (13), described hollow cylinder (1) is located on described bearing (13), described elastomer is spring (14), the bottom of spring (14) is positioned at bearing (13), the top of spring (14) be positioned at hollow cylinder (1) and and the bottom of clamp arm (2) offset.
5. a kind of positioning clamping device with the workpiece of cavity and locating hole according to claim 1 and 2, is characterized in that the pressure head (5) of described clamp arm (2) is for lower curved coupler body.
6. a kind of positioning clamping device with the workpiece of cavity and locating hole according to claim 1 or 2 or 3, it is characterized in that comprising locating piece (15), locating piece (15) is located on the end face of described hollow cylinder (1), described alignment pin (3) is located on locating piece (15), locating piece (15) is provided with strip through hole (16), strip through hole (16) is communicated with side fluting (4) on described alignment pin (3), the top of described clamp arm (2) stretches out in the end face of hollow cylinder (1) through strip through hole (16) and along side fluting (4) of alignment pin (3).
7. a kind of positioning clamping device with the workpiece of cavity and locating hole according to claim 1 or 2 or 3, it is characterized in that described clamp arm (2) is in flat, and bottom is wide, top is narrow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210188623.7A CN103008941B (en) | 2012-06-08 | 2012-06-08 | Positioning clamping device for workpiece with cavity and positioning hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210188623.7A CN103008941B (en) | 2012-06-08 | 2012-06-08 | Positioning clamping device for workpiece with cavity and positioning hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103008941A CN103008941A (en) | 2013-04-03 |
| CN103008941B true CN103008941B (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210188623.7A Expired - Fee Related CN103008941B (en) | 2012-06-08 | 2012-06-08 | Positioning clamping device for workpiece with cavity and positioning hole |
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| CN (1) | CN103008941B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753078A (en) * | 2013-12-16 | 2014-04-30 | 柳州恒耀汽车零部件有限公司 | Clamping workpiece with white magnets |
| CN103801884A (en) * | 2014-03-04 | 2014-05-21 | 安徽江淮汽车股份有限公司 | Clamping positioning tool and welding equipment |
| CN105364363A (en) * | 2014-08-28 | 2016-03-02 | 上海安莱德汽车零部件有限公司 | Pin welding clamp for car body trial-manufacturing |
| CN104309580B (en) * | 2014-09-29 | 2017-01-25 | 中通客车控股股份有限公司 | Rotary positioning mechanism of vehicle wiper sleeve |
| CN106392440B (en) * | 2016-12-13 | 2019-02-15 | 大连扬天科技有限公司 | A kind of pneumatic positioning and locking pin hook mechanism |
| CN106695612A (en) * | 2016-12-26 | 2017-05-24 | 安徽瑞祥工业有限公司 | Positioning clamp |
| CN112536559B (en) * | 2020-10-29 | 2022-04-26 | 中车石家庄车辆有限公司 | Transport vechicle attachs floor equipment frock |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101244504A (en) * | 2008-03-31 | 2008-08-20 | 重庆长安汽车股份有限公司 | Positioning and clamping mechanism of soldering product line |
| CN102658531A (en) * | 2012-03-06 | 2012-09-12 | 山东迈赫自动化装备股份有限公司 | Manual positioning and clamping pin mechanism |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3707050B2 (en) * | 2001-04-12 | 2005-10-19 | ダイハツ工業株式会社 | Clamping device |
| JP2003260626A (en) * | 2002-03-06 | 2003-09-16 | Koganei Corp | Positioning clamp device |
| JP4951405B2 (en) * | 2007-05-11 | 2012-06-13 | 株式会社コガネイ | Positioning clamp device |
| JP5212830B2 (en) * | 2009-05-28 | 2013-06-19 | Ｓｍｃ株式会社 | Clamping device |
-
2012
- 2012-06-08 CN CN201210188623.7A patent/CN103008941B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101244504A (en) * | 2008-03-31 | 2008-08-20 | 重庆长安汽车股份有限公司 | Positioning and clamping mechanism of soldering product line |
| CN102658531A (en) * | 2012-03-06 | 2012-09-12 | 山东迈赫自动化装备股份有限公司 | Manual positioning and clamping pin mechanism |
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| CN103008941A (en) | 2013-04-03 |
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Granted publication date: 20141224 Termination date: 20170608 |
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