CN103008941A - Positioning clamping device for workpiece with cavity and positioning hole - Google Patents
Positioning clamping device for workpiece with cavity and positioning hole Download PDFInfo
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- CN103008941A CN103008941A CN2012101886237A CN201210188623A CN103008941A CN 103008941 A CN103008941 A CN 103008941A CN 2012101886237 A CN2012101886237 A CN 2012101886237A CN 201210188623 A CN201210188623 A CN 201210188623A CN 103008941 A CN103008941 A CN 103008941A
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- cavity
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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 anchor clamps, relate in particular to a kind of positioning clamping device with workpiece of cavity and locating hole.
Background technology
In the manufacturing process of automobile, to use a large amount of Pneumatic welding clamps on the automotive welding production line, in numerous locate modes, all take the 3-2-1 locate mode as the basis, that is: with two alignment pins as setting element, by 3 frees degree of the first datum level restriction workpiece, by 2 frees degree of the second datum level restriction, by 1 free degree of the 3rd datum level restriction.Normally mutually perpendicular between three datum levels, between each alignment pin and the locating surface relatively far apart.This locate mode is feasible, reliable for most of parts, but for larger assembly or the complicated parts of structure, this locate mode is irrational.For example concerning automobile frame welding assembly, because detent mechanism is more, a lot of soldering turret access ways are blocked.Sometimes this locate mode or even can't realize that for example for most automobile rear floors welding assemblies, owing to formed cavity body structure between rear floor skirt beam and the rear floor, the briquetting of Pneumatic welding clamp can't compress rear floor welded assembly at all.
Summary of the invention
The present invention mainly solves the technical problem that original Pneumatic welding clamp can't clamp the parts of cavity body structure; A kind of positioning clamping device with workpiece of cavity and locating hole is provided, and it is simple in structure, and is easy to operate, can effectively clamp the parts of cavity body structure.
The present invention can stop up a lot of weld passes when solving simultaneously the parts that original Pneumatic welding clamp is large at clamping structure or structure is complicated, the technical problem that the impact welding is carried out smoothly; A kind of positioning clamping device with workpiece of cavity and locating hole is provided, and it is simple in structure, and institute takes up space little, can not stop up the weld pass, guarantees that welding waits subsequent technique to 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 links to each other 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 chamber of side fluting and hollow cylinder is communicated with, described clamp arm is located in the hollow cylinder and the driving mechanism outer with being positioned at hollow cylinder links to each other, slot along the side of alignment pin and stretch out in the end face of hollow cylinder in the top of clamp arm, the top of clamp arm is provided with a pressure head.Be subjected to 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 the another location, and the side fluting is stretched out on the top of clamp arm and its pressure head can press down.Controlling first the top that driving mechanism makes clamp arm is concealed in the side fluting of alignment pin, the workpiece (this workpiece has cavity and locating hole) that then will need to clamp is put on the end face of hollow cylinder, alignment pin passes the locating hole on the workpiece, the locating surface of workpiece and the end face of hollow cylinder are close to, control again the top that driving mechanism makes clamp arm and stretch out the side fluting, and the pressure head of clamp arm is pressed in the peripheral part of workpiece locating hole tightly, thereby realize the clamping to the workpiece with cavity and locating hole, be convenient to normally carrying out of the technique such as follow-up welding.The present invention is simple in structure, and is easy to operate, and institute takes up space little, can not stop up the weld pass, can effectively clamp the parts of cavity and locating hole structure, also is fit to the parts that clamping structure is large or structure is complicated.
As preferably, described driving mechanism comprises handle, drive block and upper guide finger, middle guide finger and lower guide finger, drive block is by two briquettings and be connected in two contiguous blocks between briquetting and consist of, described handle links to each other with described contiguous block, two briquettings are clipped in the left side of hollow cylinder, the right side, briquetting, be equipped with gathering sill on clamp arm and the hollow cylinder, on described, in, lower guide finger all passes clamp arm, upper guide finger is located in the gathering sill of clamp arm and links to each other with hollow cylinder, two terminations that middle guide finger passes hollow cylinder and 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 respectively the both sides of lower guide finger, be provided with elastomer in the 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 is made stretching motion, and middle guide finger is mobile in the gathering sill of briquetting, and upper guide finger is mobile 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 the briquetting, clamp arm stretches out the side fluting and moves down, and the pressure head on it is tightly pushed down caught workpiece, elastomer compression this moment; During the briquetting revolution, lower guide finger moves under elastomeric elastic force effect, moves on the clamp arm and is stowed in the side fluting.
As preferably, the termination of described briquetting is curved, and the gathering sill on the briquetting is mounting hole; Gathering sill on the described hollow cylinder is the mounting hole that vertical direction arranges; Gathering sill on the described clamp arm is linked to each other by two mounting holes and consists of, and the angle of these two mounting holes is the obtuse angle.The termination shape of the shape of three gathering sills and setting position and briquetting is complementary, and determines according to the movement locus of briquetting.Satisfy briquetting and move downward when ultimate attainment, pressure head and is pressed in the end face of hollow cylinder outside the side is exposed to the side fluting of alignment pin; Briquetting moves up to when ultimate attainment, and 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 workpiece of cavity and locating hole comprises bearing, and described hollow cylinder is located on the described bearing.When making the larger or complicated workpiece of structure clamped larger convolution space is arranged, be convenient to large workpiece is made clamp operation, also more laborsaving during clamping.
As preferably, described a kind of positioning clamping device with workpiece of cavity and locating hole comprises bearing, described hollow cylinder is located on the described bearing, described elastomer is spring, the bottom of spring is positioned at bearing, and the top of spring is positioned at hollow cylinder also and the bottom of clamp arm offsets.Hollow cylinder links to each other 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 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 the locating piece, locating piece is provided with the strip through hole, side fluting on strip through hole and the described alignment pin is communicated with, and the top of described clamp arm is passed the strip through hole and stretched out in the end face of hollow cylinder along the side fluting of alignment pin.Locating piece links to each other by screw with hollow cylinder, and alignment pin links to each other by screw with locating piece, installs more conveniently, connects more firm.The strip through hole plays position-limiting action to clamp arm, and is more steady when clamp arm is swung.
As preferably, described clamp arm is flat, and the bottom is wide, the top is narrow.The top is narrow, is convenient to be stowed in the side fluting of alignment pin, and the bottom is wide, is convenient to offset with spring, and is stressed more stable, and clamp arm can very stably be moved up and down and swing.
The invention has the beneficial effects as follows: simple in structure, easy to operate, institute takes up space little, can effectively clamp the workpiece of cavity and locating hole structure, also be fit to the parts that clamping structure is large or structure is complicated, can not stop up the weld pass, be convenient to welding and wait subsequent technique normally to carry out smoothly.
Description of drawings
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 among the present invention.
Fig. 4 is a kind of syndeton schematic diagram of alignment pin and locating piece among the present invention.
1. hollow cylinders among the figure, 2. clamp arm, 3. alignment pin, 4. side fluting, 5. pressure head, 6. handle is 7. gone up guide finger, 8. in guide finger, 9. descend guide finger, 10. briquetting, 11. contiguous blocks, 12. gathering sills, 13. bearings, 14. springs, 15. locating pieces, 16. strip through holes.
The specific embodiment
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 workpiece of cavity and locating hole of 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 inverted " L " type, and the bottom of bearing 13 is connected with the chassis, and a narrow chamber is arranged in the end face of bearing, and a spring 14 is installed in the 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, interior locating piece 15 is fixed by screws on the end face of hollow cylinder 1, alignment pin 3 is fixed by screws on the locating piece 15 and protrudes from the end face of locating piece up, as shown in Figure 4, one strip through hole 16 is arranged on the locating piece 15, and there is a side fluting 4 side of alignment pin 3, and the inner chamber of hollow cylinder 1, strip through hole 16 and side fluting 4 all are communicated with.As shown in Figure 2, clamp arm 2 is positioned at hollow cylinder 1 and the driving mechanism outer with being positioned at hollow cylinder 1 links to each other, and strip through hole 16 is passed and along the side of alignment pin 34 end faces that stretch out in locating piece of slotting in the top of clamp arm 2.Clamp arm 2 is flat, and the bottom is wide, the 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 top of the bottom of clamp arm and spring 14 offsets.
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 of two briquettings 10 and the contiguous block 11 that is connected in 10 of two briquettings, one end of handle 6 links to each other 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, all have gathering sill 12 on briquetting 10, clamp arm 2 and the hollow cylinder 1, gathering sill on the briquetting 10 is mounting hole, and this gathering sill is near a side of briquetting, gathering sill on the hollow cylinder 1 is the mounting hole that vertical direction arranges, and the bottom of the close hollow cylinder of this gathering sill, and the gathering sill on the clamp arm 2 is linked to each other by two mounting holes and consists of, the angle of these two mounting holes is the obtuse angle, and the opening at this obtuse angle is towards handle.The upper, middle and lower guide finger all passes clamp arm 2, upper guide finger 7 is through in the gathering sill of clamp arm 2 and its two ends link to each other with hollow cylinder 1, the side of the two ends of middle guide finger 8 and hollow cylinder 1 links to each other 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 respectively the both sides of lower guide finger 9.
The course of work: go up first pushing handle, the arced terminus of briquetting down, under the elastic force effect of spring, move on the lower guide finger, drive clamp arm along moving on the gathering sill on the clamp arm, the top of clamp arm is stowed in the side fluting of alignment pin simultaneously, the workpiece (this workpiece has cavity and locating hole) that then will need to clamp is put on the end face of locating piece, and alignment pin passes the locating hole on the 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, briquetting rotates take middle guide finger as axle again, slides along lower guide finger in the termination of briquetting, and under depress guide finger, spring is compressed, drives clamp arm and moves down along the gathering sill on the clamp arm, and the side fluting is stretched out on the top of clamp arm, its pressure head is pressed in the peripheral part of workpiece locating hole tightly, finishes the clamp operation to the workpiece with cavity and locating hole.
The present invention is simple in structure, and is easy to operate, and institute takes up space little, can not stop up the weld pass, be convenient to welding and wait subsequent technique normally to carry out smoothly, can effectively clamp the parts of cavity and locating hole structure, also be fit to the parts that clamping structure is large or structure is complicated.
Claims (8)
1. positioning clamping device with 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) links to each other 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 a side fluting (4), the inner chamber of side fluting (4) and hollow cylinder (1) is communicated with, described clamp arm (2) is located in the hollow cylinder (1) and the driving mechanism outer with being positioned at hollow cylinder (1) links to each other, the top of clamp arm (2) stretches out in the end face of hollow cylinder (1) along the side of alignment pin (3) fluting (4), and the top of clamp arm (2) is provided with a pressure head (5).
2. a kind of positioning clamping device with workpiece of cavity and locating hole according to claim 1, it is characterized in that 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 of two briquettings (10) and the contiguous block (11) that is connected between two briquettings (10), described handle (6) links to each other with described contiguous block (11), two briquettings (10) are clipped in the left side of hollow cylinder (1), the right side, briquetting (10), be equipped with gathering sill (12) on clamp arm (2) and the hollow cylinder (1), on described, in, lower guide finger all passes clamp arm (2), upper guide finger (7) is located in the gathering sill of clamp arm (2) and links to each other with hollow cylinder (1), two terminations that middle guide finger (8) passes hollow cylinder (1) and 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 respectively the both sides of lower guide finger (9), described hollow cylinder is provided with elastomer in (1), and elastomer and clamp arm (2) offset.
3. a kind of positioning clamping device with workpiece of cavity and locating hole according to claim 2 is characterized in that the termination of described briquetting (10) is curved, and the gathering sill (12) on the briquetting (10) is mounting hole; The mounting hole that gathering sill (12) on the described hollow cylinder (1) arranges for vertical direction; Gathering sill (12) on the described clamp arm (2) is linked to each other by two mounting holes and consists of, and the angle of these two mounting holes is the obtuse angle.
4. a kind of positioning clamping device with 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 the described bearing (13).
5. according to claim 2 or 3 described a kind of positioning clamping devices with workpiece of cavity and locating hole, it is characterized in that comprising bearing (13), described hollow cylinder (1) is located on the described bearing (13), described elastomer is spring (14), the bottom of spring (14) is positioned at bearing (13), and the top of spring (14) is positioned at hollow cylinder (1) also and the bottom of clamp arm (2) offsets.
6. according to claim 1 and 2 or 3 described a kind of positioning clamping devices with workpiece of cavity and locating hole, the pressure head (5) that it is characterized in that described clamp arm (2) is lower curved coupler body.
7. according to claim 1 and 2 or 3 or 4 described a kind of positioning clamping devices with workpiece of cavity and locating hole, 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 the locating piece (15), locating piece (15) is provided with strip through hole (16), side fluting (4) on strip through hole (16) and the described alignment pin (3) is communicated with, and the top of described clamp arm (2) is passed strip through hole (16) and stretched out in the end face of hollow cylinder (1) along the side fluting (4) of alignment pin (3).
8. according to claim 1 and 2 or 3 or 4 described a kind of positioning clamping devices with workpiece of cavity and locating hole, it is characterized in that described clamp arm (2) is flat, and the bottom is wide, the 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 true CN103008941A (en) | 2013-04-03 |
| CN103008941B CN103008941B (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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) |
Cited By (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 |
| CN104309580A (en) * | 2014-09-29 | 2015-01-28 | 中通客车控股股份有限公司 | Rotary positioning mechanism of vehicle wiper sleeve |
| 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 |
| CN106392440A (en) * | 2016-12-13 | 2017-02-15 | 大连扬天科技有限公司 | 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 |
| CN112536559A (en) * | 2020-10-29 | 2021-03-23 | 中车石家庄车辆有限公司 | Transport vechicle attachs floor equipment frock |
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| JP2008279554A (en) * | 2007-05-11 | 2008-11-20 | Koganei Corp | Positioning clamping device |
| JP2010274368A (en) * | 2009-05-28 | 2010-12-09 | Smc Corp | Clamping device |
| 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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2012
- 2012-06-08 CN CN201210188623.7A patent/CN103008941B/en not_active Expired - Fee Related
Patent Citations (6)
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| JP2002307256A (en) * | 2001-04-12 | 2002-10-23 | Daihatsu Motor Co Ltd | Clamp device |
| JP2003260626A (en) * | 2002-03-06 | 2003-09-16 | Koganei Corp | Positioning clamp device |
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Cited By (8)
| 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 |
| CN104309580A (en) * | 2014-09-29 | 2015-01-28 | 中通客车控股股份有限公司 | Rotary positioning mechanism of vehicle wiper sleeve |
| CN106392440A (en) * | 2016-12-13 | 2017-02-15 | 大连扬天科技有限公司 | 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 |
| CN112536559A (en) * | 2020-10-29 | 2021-03-23 | 中车石家庄车辆有限公司 | Transport vechicle attachs floor equipment frock |
| 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 |
Also Published As
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|---|---|
| CN103008941B (en) | 2014-12-24 |
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Granted publication date: 20141224 Termination date: 20170608 |