CN1572682A - Workpiece clamping apparatus - Google Patents
Workpiece clamping apparatus Download PDFInfo
- Publication number
- CN1572682A CN1572682A CN 200410063175 CN200410063175A CN1572682A CN 1572682 A CN1572682 A CN 1572682A CN 200410063175 CN200410063175 CN 200410063175 CN 200410063175 A CN200410063175 A CN 200410063175A CN 1572682 A CN1572682 A CN 1572682A
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- CN
- China
- Prior art keywords
- pivot shaft
- clamping
- hole
- clamping limbs
- lifter 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.)
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Abstract
The invention provides a work gripping device which positions and grips the work by using supporting shafts protrusively provided on both side surfaces of the work. The work gripping device is protrusively provided with the supporting shafts on both side surfaces, and grips the work. A pair of gripping arms 12 is attached to a device frame 1 so as to be opened/closed. Arm actuating means capable of opening/closing these gripping arms 12 are provided. At a end portion the gripping arm 12, a large diameter hole 24 in which the supporting shaft 10 is loosely inserted, and a positioning hole 25 communicating to a lower part of the large diameter hole 24 and applicable to the supporting shaft 10 are provided. After both gripping arms 12 are closed while the supporting shaft 10 is gradually inserted in the large diameter hole 24, if both gripping arms 12 are raised up, the supporting shaft 10 is moved from the large diameter hole 24 to the positioning holes 24, 25.
Description
Technical field
The present invention relates to clamping, promote workpiece and with the workpiece transfer employed work holder during to assigned position, relate in particular to a kind of the utilization and protrude the pivot shaft that is arranged on the workpiece two sides and determine that location of workpiece ground carries out the work holder of clamping.
Background technology
In clamping, promote workpiece and with the workpiece transfer during to assigned position, the relative position between workpiece and the clamping limb must be certain.Thereby in the prior art, as described in following patent document 1, when utilizing the holding device holding workpiece, the locating dowel pin that is arranged on the holding device is embedded in the knock hole on the workpiece.
Patent document 1
Te Kaiping 10-120146 communique
But, do not having on the workpiece of knock hole, can not use above-mentioned existing holding device.
The present invention in view of the above problems, its objective is provides a kind of can the utilization to protrude the work holder that the pivot shaft be arranged on the workpiece two sides is determined the clamping of location of workpiece ground.
Summary of the invention
To achieve these goals, work holder of the present invention, be to be clamped in to protrude the work holder that is provided with the workpiece of pivot shaft and promotes this workpiece on the two sides, as the 1st feature: with a pair of clamping limb, with make open between the leading section of this clamping limb than the distance between the front end of described pivot shaft big open position and making close between described leading section than the little off position of described distance between mode movably, be installed in can the device frame of up-and-down movement on, and, the arm movement device that can carry out these clamping limb on-off actions is connected with described two clamping limbs, leading section at described clamping limb, be provided with through hole that described pivot shaft can slowly insert and the knock hole that is communicated with and described pivot shaft is fit to the location with the bottom of this through hole, on one side described pivot shaft is inserted in these through holes, closed described two clamping limbs in one side, when these two clamping limbs were raise, described pivot shaft moved to knock hole from described through hole then.
In addition, above-mentioned arm acting device is corresponding to the lifter plate in the embodiment of the invention described below 20, actuator 21 and cam mechanism 23.
According to the 1st feature, by on one side workpiece supporting is inserted in the through hole on a pair of clamping limb, closed a pair of clamping limb and with its rising on one side, above-mentioned pivot shaft is moved in the knock hole of two clamping limbs, by this very shirtsleeve operation, can position workpiece with respect to two clamping limbs, can holding workpiece, not be used in special knock hole and locating dowel pin are set between device frame and the workpiece.
Except the 1st feature, the 2nd feature of the present invention is, utilize pivot that described clamping limb can be installed on the described device frame respectively with freely swinging, and by liftably be supported on lifter plate on the described device frame, be arranged on the described device frame and lifting drive this lifter plate actuator, be set between described lifter plate and described two clamping limbs and by the lifting of this lifter plate open and close these two clamping limbs cam mechanism, constitute described arm movement device.
In above-mentioned the 2nd feature, be hinged on the device frame swingably and utilize cam mechanism, the lifting of lifter plate is transformed into on-off action and passes to two clamping limbs by two clamping limbs, with this, can simply successfully carry out the switching of two clamping limbs.
And then except the 1st or 2 features, the 3rd feature of the present invention is, described pivot shaft is polygon bolt head and polygon nut, and the bottom of described knock hole is formed slightly semicircle.
According to above-mentioned the 3rd feature, even pivot shaft is polygon bolt head and polygon nut, these polygon bolt heads and polygon nut also reliably aligning to the half-round of knock hole.And the knock hole that can have half-round easily with high-precision processing, so can obtain clamping limb at an easy rate.
Description of drawings
Fig. 1 is the front view of the work holder of the present invention the 1st embodiment.
Fig. 2 is the same birds-eye view.
Fig. 3 is the enlarged front view of the main portion of Fig. 1.
Fig. 4 is the lateral plan of Fig. 3.
Fig. 5 is the enlarged drawing along direction shown in the arrow among Fig. 45.
Fig. 6 is the Action Specification figure corresponding to Fig. 4.
Fig. 7 is the enlarged drawing along direction shown in the arrow among Fig. 67.
Fig. 8 is expression the present invention corresponding diagram the 2nd embodiment, Fig. 7.
Among the figure: A-off position, B-open position, distance between the S-workpiece supporting leading section, WL, WR-workpiece, 1-work holder, 10-workpiece supporting, the 12-clamping limb, the 15-pivot, 20-lifter plate, 21-actuator, the 23-cam mechanism, the 24-through hole, 25-knock hole, 20,21,23-arm movement device.
The specific embodiment
Below, based on most preferred embodiment of the present invention shown in the accompanying drawing embodiments of the present invention are described.
Fig. 1 is the front view of the work holder of the present invention the 1st embodiment, Fig. 2 is the birds-eye view with Fig. 1, Fig. 3 is the enlarged front view of the main portion of Fig. 1, Fig. 4 is the lateral plan of Fig. 3, Fig. 5 is the enlarged drawing along direction shown in the arrow among Fig. 45, Fig. 6 is the Action Specification figure corresponding to Fig. 4, and Fig. 7 is the enlarged drawing along direction shown in the arrow among Fig. 67, and Fig. 8 is expression the present invention corresponding diagram the 2nd embodiment, Fig. 7.
At first, introduce the 1st embodiment of the present invention shown in Fig. 1～7.
In Fig. 1 and 2, work holder 1, be self-propelled vehicle pair of right and left suspension fabricate block WL, WR as workpiece, with them for example from suspension combined station employed device when the suspension installation station transfer that suspension fabricate block WL, WR is installed on the car body.
The positioning fixture J that is used for left and right sides suspension fabricate block WL, WR is set in above-mentioned suspension combined station or the suspension installation station, that is, and and by at public pedestal J
0A plurality of, 2 groups of supporting seat J of a plurality of positions of upper support left and right sides suspension fabricate block WL, WR
1～J
3Constitute.
Work holder 1, pair of right and left suspension fabricate block WL, WR on the positioning fixture of the clamping simultaneously J, its structure is with respect to left and right sides suspension fabricate block WL, WR left-right symmetric, at the central portion of the device frame 2 of this device 1 the work jibs R of transfer with manipulator is installed.
Below, only the work holder 1 to suspension fabricate block WL one side is elaborated.
Shown in Fig. 3 and 4, on device frame 2, the a pair of 2 groups of clamping limbs 12,12 of the 1st～the 3rd hold-down arm 6～8 and front and back with underarm 3, slave arm 4 and upper arm 5 of supporting suspension fabricate block WL respectively, described clamping limb 12,12, clamping protrude pivot shaft 10,10 on the two sides, joint arm 9 front and back be arranged on suspension fabricate block WL top '.As shown in the figure, a side of above-mentioned pivot shaft is the head of hexagon bolt, the opposing party's pivot shaft 10 ' on be hexagonal nut.
The the 1st and the 2nd hold-down arm 6,7 is formed the hook-type of upwards fishing for underarm 3 and slave arm 4.And upper arm 5 is subjected to the rubber pad elastic force of its cardinal extremity and is pressed towards rotation, and the 3rd hold-down arm 8 resists above-mentioned elastic force ground pushing upper arm 5 and makes its lifting by the cylinder 13 that is installed on the device frame 2.
A pair of clamping limb 12,12, be installed on the carrier frame plate 14 that is fixedly installed on the vertical direction on device frame 2 end faces by front and back pair of pivot 15,15, and make the mutually approaching off position A (with reference to figure 4) in bottom and make the bottom mutually away from open position B (with reference to figure 6) between swing.
On the above-below direction pars intermedia of each clamping limb 12,12, form the lug 16,16 that protrudes to the inboard of two clamping limbs 12,12, the pilot pin 17,17 parallel with pivot 15,15 protruded to be arranged on the described lug 16,16.
In addition, the guide rail 18 of Yan Shening along the vertical direction, be fixedly installed on the above-mentioned carrier frame plate 14, lifter plate 20 with the slide unit 19 that combines with guide rail 18, liftably opposed with carrier frame plate 14, be used to drive this lifter plate 20 of lifting and, be set on the upper end of carrier frame plate 14 by the actuator 21 that cylinder is formed.
Pair of cams plate 20a, 20b are welded on lifter plate 20 bottoms, these lobe plates 20a, 20b are provided with cam path 22a, the 22b that a pair of and above-mentioned a pair of pilot pin 17,17 combines, two cam path 22a, 22b are set to, and the interval between them narrows down upward.At the lowering position of lifter plate 20, pilot pin 17,17 arrives at the upper end of cam path 22a, 22b, and two clamping limbs 12,12 are maintained in its closed position on the A.In case lifter plate 20 moves to hoisting position, 17,17 of pilot pins descend in cam path 22a, 22b relatively, and by two cam path 22a, 22b, pilot pin 17,17 is pushed open about remotely mutually, like this, two clamping limbs 12,12 are swung to open position B.Thereby above-mentioned pilot pin 17,17 and cam path 22a, 22b constitute the cam mechanism that utilizes the lifting of lifter plate 20 and open and close two clamping limbs 12,12.
As shown in Figure 6, open position B at two clamping limbs 12,12, interval between two clamping limb 12,12 bottoms is wideer than the interval S of above-mentioned two pivot shafts 10,10 ' leading section, at off position A, the interval between two clamping limb 12,12 bottoms is narrower than the interval S of above-mentioned two pivot shafts 10,10 ' leading section.Shown in Fig. 5 and 7, bottom at these clamping limbs 12,12, be respectively arranged with through hole 24,24 and knock hole 25,25, above-mentioned pivot shaft 10,10 ' can pass described through hole 24,24 lentamente, and knock hole 25,25 links to each other with these through hole 24,24 bottoms and to above-mentioned pivot shaft 10,10 ' be fit to location.Through hole 24,24 can be circular hole, polygonal hole etc., and regardless of its shape, but as shown in the figure, knock hole 25,25 lower part at least roughly is a circular hole.
Below, the effect of this embodiment is described.
When will be when suspension combined station stack-mounted suspension fabricate block WL transfer be to suspension installation station, handle the work jibs R of transfer with manipulator, underarm 3 with suspension fabricate block WL, slave arm 4 and upper arm 5 relatively are provided with the 1st～the 3rd hold-down arm 6～8, utilize actuator 21 that lifter plate 20 is risen, make a pair of clamping limb 12 that remains on open position B, 12 with the pivot shaft 10 of upper joints arm 9,10 ' two ends relatively to (with reference to figure 6), at two clamping limbs 12,12 through hole 24,24 with pivot shaft 10,10 ' the position that meets, position, utilize actuator 21 that lifter plate 21 is descended, in case make two clamping limbs 12,12 swing to off position A, pivot shaft 10,10 ' then enter two clamping limbs 12 respectively, 12 through hole 24, in 24 (with reference to figure 7).
Then, utilize the work jibs R of manipulator, bont framework 2, the rising of two clamping limbs 12,12 by being in closure state, pivot shaft 10,10 ' move (with reference to Figure 4 and 5) to knock hole 25,25 from through hole 24,24.Thereby pivot shaft 10, the 10 ' automatic aligning to be adapted to knock hole 25,25 is automatically determined the relative position of the regulation of the suspension fabricate block WL relative with clamping limb 12,12.
Especially because knock hole 25,25 bottoms are semicircles, though therefore pivot shaft 10,10 ' be hexagon bolt head and hexagonal nut, the head of hexagonal bar iron 10 and hexagonal nut 10 also reliably aligning to the half-round of knock hole 25,25.And because can be easily and the knock hole 25,25 of processing with half-round accurately, therefore can obtain clamping limb 12,12 at an easy rate.
On the other hand, along with the rising of device frame 2, the 1st and the 2nd hold-down arm 6,7 hooks underarm 3, slave arm 4 raises, and the 3rd hold-down arm 8 pushing upper arm 5 rotate upward.
Thereby, utilize 1 pair of suspension fabricate block of work holder WL to position clamping, and utilize the work jibs R of transfer with manipulator, with device frame 2 suspension fabricate block WL is moved to suspension installation station, drop to assigned position.This moment, clamping limb 12,12 and suspension fabricate block WL were in the position relation of regulation, by work jibs R is moved to assigned position, suspension fabricate block WL can be put into the assigned position of suspension installation station.At this moment, break away from, utilize actuator 21, lifter plate 20 is risen, make two clamping limbs 12,12 be in opening from two clamping limbs of pivot shaft 10,10 ' make 12,12.
Make on one side the pivot shaft 10,10 of suspension fabricate block WL ' enter in the through hole 24,24 of a pair of clamping limb 12,12, the closed described a pair of clamping limb 12,12 in one side, and by upwards raising, make pivot shaft 10,10 ' move to the knock hole 25,25 of two clamping limbs 12,12, by so very shirtsleeve operation, suspension fabricate block WL is positioned with respect to two clamping limbs 12,12, can clamping suspension fabricate block, between device frame 2 and suspension fabricate block WL, special knock hole and locating dowel pin need not be set.
And, be hinged on the carrier frame plate 14 swingably and utilize cam mechanism 23 conversion on-off actions and, can simply successfully carry out the switching of two clamping limbs 12,12 by two clamping limbs 12,12 to the lifting that two clamping limbs 12,12 transmit lifter plates 20.
Below, introduce the 2nd embodiment of the present invention in conjunction with Fig. 8.
In the 2nd embodiment, the through hole of each clamping limb 12 is a square hole 124, the bottom surface of knock hole 125 is formed vee shape, in addition, workpiece supporting 10a, 10b are square shaft, other structure is same as the previously described embodiments, therefore represents components identical with identical Reference numeral in Fig. 8, omits the explanation to it.
The present invention is not limited to the foregoing description, in not breaking away from the spirit scope of invention, can carry out various design modifications.
For example in cam mechanism 23, pair of cams plate 20a, 20b can form as one with lifter plate 20, and be in contrast with the previous embodiment in addition, can cam path 22a, 22b be set in two clamping limbs, 12,12 sides, in lifter plate 20 sides pilot pin 17,17 is set.In the present invention, workpiece supporting 10a, 10b also can use circular shaft.
(invention effect)
As mentioned above, according to the 1st embodiment of the present invention, be a kind of be clamped on the two sides protrude the work holder that is provided with the workpiece of pivot shaft and promotes this workpiece, with a pair of clamping limb open between this clamping limb leading section than above-mentioned pivot shaft front end between the big open position of distance, and be closed between the above-mentioned leading section than be installed in movably between the little off position of above-mentioned distance can the device frame of up-and-down movement on, and the arm movement device that allows to carry out these clamping limb on-off actions is connected with above-mentioned two clamping limbs, leading section at above-mentioned clamping limb, through hole that above-mentioned pivot shaft can slowly insert and the knock hole that is communicated with and above-mentioned pivot shaft is fit to the location with this through hole bottom are set, above-mentioned pivot shaft is inserted these through holes on one side, closed above-mentioned two clamping limbs in one side, then, when above-mentioned two clamping limbs are raise, above-mentioned pivot shaft moves to above-mentioned knock hole from above-mentioned through hole, so, pivot shaft with workpiece inserts these through holes on one side, the closed a pair of clamping limb in one side, raise then, like this, above-mentioned pivot shaft is moved in the knock hole of two clamping limbs, by so very shirtsleeve operation, can carry out location with respect to the workpiece of two clamping limbs, thereby can holding workpiece, between device frame and workpiece, special knock hole and locating dowel pin can be set.
In addition, the 2nd embodiment according to the present invention, except the feature of the 1st embodiment, also utilize pivot that above-mentioned clamping limb can be installed on the said apparatus framework respectively with freely swinging, by the lifter plate that liftably is supported on the said apparatus framework, by on the said apparatus framework and lifting drive the actuator of this lifter plate, be arranged between above-mentioned lifter plate and two clamping limbs and open and close the cam mechanism of described two clamping limbs by the lifting of this lifter plate, constitute above-mentioned arm movement device, so, be hinged on the device frame swingably and utilize cam mechanism conversion on-off action and, can simply successfully carry out the switching of two clamping limbs by two clamping limbs to the lifting that two clamping limbs transmit lifter plates.
According to the 3rd embodiment of the present invention, except the feature of the 1st or 2 embodiment, above-mentioned pivot shaft has polygon bolt head and polygon nut head, the bottom of above-mentioned knock hole roughly is formed semicircle, therefore, even pivot shaft has polygon bolt head and polygon nut head, described polygon bolt head and polygon nut head also reliably aligning to the half-round of knock hole.Owing to can the knock hole with half-round be carried out easily and high-precision processing, so can obtain clamping limb at an easy rate.
Claims (3)
1. work holder, be clamped in protrude on the two sides be provided with pivot shaft (10a, workpiece 10b) (WL WR) and promote the work holder of this workpiece, is characterized in that:
With a pair of clamping limb (12,12), to make this clamping limb (12, open than described pivot shaft (10a between leading section 12), the open position (B) that distance between front end 10b) (S) is big and making is closed than mode movably between the little off position (A) of described distance (S) between described leading section, be installed on the device frame moving up and down (2), and, make and to carry out these clamping limbs (12,12) the arm movement device (20 of on-off action, 21,23) with described two clamping limbs (12,12) connect, at described clamping limb (12,12) leading section, be provided with described pivot shaft (10a, 10b) the through hole that can slowly insert (24,24) and be communicated with the bottom of this through hole (24,24) and to described pivot shaft (10a, 10b) be fit to the location knock hole (25,25), on one side (10a 10b) inserts these through holes (24 with described pivot shaft, 24) in, closed described two clamping limbs (12 in one side, 12), then when these two clamping limbs (12,12) are raise, described pivot shaft (10a, 10b) move to knock hole (25,25) from described through hole (24,24).
2 holding devices as claimed in claim 1, it is characterized in that: utilize pivot (15,15) with described clamping limb (12,12) can be installed on the described device frame (2) respectively with freely swinging, and by the lifter plate (20) that liftably is supported on the described device frame (2), be arranged on that described device frame (2) is gone up and lifting drives the actuator (21) of this lifter plate (20), be set at described lifter plate (20) and described two clamping limbs (12,12) between and open and close the cam mechanism (23) of two clamping limbs (12,12) by the lifting of this lifter plate (20), constitute described arm movement device.
3 holding devices as claimed in claim 1 or 2 is characterized in that: described pivot shaft is polygon bolt head (10a) and polygon nut (10b), and the bottom of described knock hole (25,25) is formed slightly semicircle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003146335A JP3854246B2 (en) | 2003-05-23 | 2003-05-23 | Workpiece transfer device |
| JP2003146335 | 2003-05-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1572682A true CN1572682A (en) | 2005-02-02 |
| CN1289369C CN1289369C (en) | 2006-12-13 |
Family
ID=33533211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410063175 Expired - Fee Related CN1289369C (en) | 2003-05-23 | 2004-05-19 | Workpiece clamping apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3854246B2 (en) |
| CN (1) | CN1289369C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100528499C (en) * | 2005-11-26 | 2009-08-19 | 鸿富锦精密工业（深圳）有限公司 | Clamping apparatus |
| CN101962122A (en) * | 2010-09-30 | 2011-02-02 | 天津理工大学 | Controllable feeding machine for arrangement and sorting of spheral materials |
| CN101164848B (en) * | 2006-10-17 | 2012-03-07 | 起亚自动车株式会社 | Jig for gripping panel |
| CN110550376A (en) * | 2019-08-14 | 2019-12-10 | 昆山睿力得自动化技术有限公司 | Artifical grabbing device of PCBA board |
| CN112722119A (en) * | 2020-11-23 | 2021-04-30 | 重庆铁马工业集团有限公司 | Armored vehicle wheel edge gripping device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151781A (en) * | 2015-09-07 | 2015-12-16 | 苏州莱测检测科技有限公司 | Movable clamping jig for packing case |
| CN106695482B (en) * | 2017-01-10 | 2018-09-21 | 安溪县智睿电子商务有限公司 | A kind of efficient grinding apparatus of auto parts machinery processing |
| CN107139002B (en) * | 2017-06-20 | 2019-11-05 | 广东天机工业智能系统有限公司 | Feeding device |
| CN114084650B (en) * | 2021-11-22 | 2024-01-12 | 广东智造二零四九科技有限公司 | Automatic interval feeding machine |
-
2003
- 2003-05-23 JP JP2003146335A patent/JP3854246B2/en not_active Expired - Fee Related
-
2004
- 2004-05-19 CN CN 200410063175 patent/CN1289369C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100528499C (en) * | 2005-11-26 | 2009-08-19 | 鸿富锦精密工业（深圳）有限公司 | Clamping apparatus |
| CN101164848B (en) * | 2006-10-17 | 2012-03-07 | 起亚自动车株式会社 | Jig for gripping panel |
| CN101962122A (en) * | 2010-09-30 | 2011-02-02 | 天津理工大学 | Controllable feeding machine for arrangement and sorting of spheral materials |
| CN110550376A (en) * | 2019-08-14 | 2019-12-10 | 昆山睿力得自动化技术有限公司 | Artifical grabbing device of PCBA board |
| CN112722119A (en) * | 2020-11-23 | 2021-04-30 | 重庆铁马工业集团有限公司 | Armored vehicle wheel edge gripping device |
| CN112722119B (en) * | 2020-11-23 | 2022-11-15 | 重庆铁马工业集团有限公司 | Armored vehicle wheel edge gripping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1289369C (en) | 2006-12-13 |
| JP3854246B2 (en) | 2006-12-06 |
| JP2004345047A (en) | 2004-12-09 |
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| PB01 | Publication | ||
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Granted publication date: 20061213 Termination date: 20100519 |