CN204355676U - Workpiece conveying small rail car - Google Patents

Workpiece conveying small rail car Download PDF

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Publication number
CN204355676U
CN204355676U CN201420825622.3U CN201420825622U CN204355676U CN 204355676 U CN204355676 U CN 204355676U CN 201420825622 U CN201420825622 U CN 201420825622U CN 204355676 U CN204355676 U CN 204355676U
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China
Prior art keywords
dolly
carriage frame
workpiece conveying
track
angle
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Active
Application number
CN201420825622.3U
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Chinese (zh)
Inventor
郑永佳
叶海丹
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Shanghai Xin Yanlong Motor Vehicle Equipment Manufacturing Co Ltd
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Shanghai Xin Yanlong Motor Vehicle Equipment Manufacturing Co Ltd
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Priority to CN201420825622.3U priority Critical patent/CN204355676U/en
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Abstract

The utility model discloses a kind of workpiece conveying small rail car, comprise workpiece conveying dolly and dolly dragging track, the side of the carriage frame of workpiece conveying dolly is provided with at least two obtuse angle grooved rollers, and opposite side is provided with at least two right angle grooved rollers; The side of carriage frame is provided with an X to locating piece, and two sides are respectively provided with at least two Y-direction locating pieces, and the bottom of both sides is respectively provided with some Z-direction locating pieces; Dolly dragging track has a right angle track, and the right angle grooved roller for carriage frame is placed on it and slides, and has an obtuse angle track in addition, and with right angle parallel track, the obtuse angle grooved roller for carriage frame is placed on it and slides.In the practical application of high-speed production lines, the utility model can reduce the inaccurate probability of dolly off-position greatly, reduces the probability that automatic production line is shut down; And owing to himself having certain floatability, at the dolly of the compatible different batches of same position, can effectively reduce the cost of investment of manufacturing line.

Description

Workpiece conveying small rail car
Technical field
The utility model belongs to car equipment manufacturing technology field, is specifically related to a kind of workpiece conveying small rail car.
Background technology
Along with progressively popularizing of high automation rate manufacturing line, traditional manual operation is progressively replaced by industrial robot automated production.And to guarantee that robot can accurately pick and place workpiece, with regard to needing, the dolly of conveying workpieces is accurately located.Tradition accurately positioning trolley, in order to ensure that in-placing precision often adopts the mode of dolly being installed line slide rail, all keeps high precision in dolly whole service process.After transmission puts in place, insert locating dowel pin, guarantee stop bit precision.And this mode drops into high, maintenance cost is high, also very high to process and assemble commissioning requirements, cannot meet the requirement of leaning manufacturing.
Utility model content
Therefore, the utility model needs to keep high precision for workpiece conveying dolly in prior art in operational process, thus makes the technical matters that maintenance and processing and debugging cost remain high, and object is to provide a kind of workpiece conveying small rail car.
Workpiece conveying small rail car of the present utility model comprises a workpiece conveying dolly and a dolly dragging track, wherein,
Described workpiece conveying dolly comprises a carriage frame, and the side of described carriage frame is provided with at least two obtuse angle grooved rollers, and opposite side is provided with at least two right angle grooved rollers; The side of described carriage frame is provided with an X to locating piece, and two sides are respectively provided with at least two Y-direction locating pieces, and the bottom of both sides is respectively provided with some Z-direction locating pieces;
Described dolly dragging track has a right angle track, and the right angle grooved roller for described carriage frame is placed on it and slides, and has an obtuse angle track in addition, and with described right angle parallel track, the obtuse angle grooved roller for described carriage frame is placed on it and slides.
Described X is positioned at the side being provided with at least two obtuse angle grooved rollers of described carriage frame to locating piece.
The bottom of the both sides of described carriage frame is respectively provided with three pieces of Z-direction locating pieces shifted to install in Y-direction.
Described X have on locating piece an X to locating surface and one with described X to locating surface back to X to clamping surface.
Workpiece conveying small rail car of the present utility model revolutionizes original location thinking, reduce the accuracy requirement in dolly transmitting procedure, line slideway is replaced to common running roller and track, only accurately location is carried out to the dolly after putting in place and meet the demand that robot picks and places part.The utility model has abandoned traditional locating dowel pin location thinking, change and located by reference plane, heavy-duty bearing guidepost is used to limit X, the Y of dolly, Z-direction, reduce dolly running roller and path wear to the impact of precision by dolly lifting is departed from orbit simultaneously, reduce the processing setting accuracy requirement of track and running roller.And Y-direction float positioning unit can processing between the different dolly of effective compensation or assembly error, same position fixing system accurately can be located different dollies, promotes economic benefit.
Positive progressive effect of the present utility model is: when workpiece conveying dolly at a high speed sails automatic pick-and-place workpiece area on dolly dragging track, Z-direction positioning unit and the Z-direction locating piece effect in trolley body, by dolly jack-up disengaging dragging track.Meanwhile, Y-direction floats positioning unit by stuck for dolly left and right directions, and wherein 2 Y-direction floating clamping mechanism parts are designed to relocatable form, is used for compensating the width error of different dolly.And X is to nip part nips dolly, guarantee that the off-position of dolly fore-and-aft direction is accurate.In high-speed production lines practical application; greatly reduce the probability that dolly off-position is inaccurate, reduce the probability that automatic production line is shut down, and owing to himself having certain floatability; at the dolly of the compatible different batches of same position, the investment of manufacturing line can be effectively reduced.The utility model has the features such as location is reliable, precision is high, reproducible, noise is little, can be widely used in various automatic production line.Because whole dolly is depart from its orbit under positioning states, thus track and running roller can be avoided to wear and tear the impact caused precision, and provide a relocation mechanism due to Y-direction, can compensation trolley width error, make whole system very obvious relative to traditional positioning trolley cost advantage.
Accompanying drawing explanation
Fig. 1 is the perspective exploded view of workpiece conveying dolly of the present utility model and float positioning device and dragging track;
Fig. 2 is the inverse layer structure schematic diagram of workpiece conveying dolly of the present utility model;
Fig. 3 is the obtuse angle running roller of workpiece conveying dolly of the present utility model and the situation schematic diagram of obtuse angle rail contact;
Fig. 4 A is the using state schematic diagram of X of the present utility model to clamping unit;
Fig. 4 B is X of the present utility model another using state schematic diagram to clamping unit;
Fig. 5 A is the combination of side view of workpiece conveying dolly of the present utility model and float positioning device and dragging track;
Fig. 5 B is the combination birds-eye view of workpiece conveying dolly of the present utility model and float positioning device and dragging track;
Fig. 6 A is the schematic enlarged-scale view of Y-direction positioning datum of the present utility model;
Fig. 6 B is the schematic enlarged-scale view of Y-direction floating clamping mechanism part of the present utility model;
Fig. 7 is the action principle schematic diagram of Y-direction floating clamping mechanism part of the present utility model;
Fig. 8 A is the Z-direction locating piece of workpiece conveying dolly of the present utility model and the using state partial schematic diagram of Z-direction positioning unit effect;
Fig. 8 B is the Z-direction locating piece of workpiece conveying dolly of the present utility model and the using state close-up schematic view of Z-direction positioning unit effect.
Detailed description of the invention
As shown in Figure 1, be the perspective exploded view of workpiece conveying dolly of the present utility model and float positioning device and dragging track.As shown in Figure 2, for workpiece conveying dolly 10 of the present utility model comprises a carriage frame 16, the side of carriage frame 16 is provided with two obtuse angle grooved rollers 14 (as shown in Figure 3), and opposite side is provided with two right angle grooved rollers 15.The side that carriage frame 16 is provided with two obtuse angle grooved rollers 14 is provided with an X to locating piece 11, it has an X to locating surface 112 and an X to clamping surface 111, X to locating surface 112 with X to clamping surface 111 back to.The two side faces of carriage frame 16 is provided with Y-direction locating piece 12, right angle grooved roller 15 side be the first Y-direction locating piece 121,122, obtuse angle grooved roller 14 side be the second Y-direction locating piece 123,124.The bottom of carriage frame 16 both sides is respectively provided with three pieces of Z-direction locating pieces 13 shifted to install in Y-direction, right angle grooved roller 15 side be the first Z-direction locating piece 131,132,133, obtuse angle grooved roller 14 side be the second Z-direction locating piece 134,135,136.
As shown in Fig. 1, Fig. 4 A and 4B, float positioning device of the present utility model comprises: X act on to locating piece 11 with the X of the side of carriage frame 16 has an X that can automatically dig and can automatically to dig with one and with X to the symmetrical clamping mechanism 22 be connected of positioning datum 21 to positioning datum 21 to clamping unit 20, X to clamping unit 20.X has one first cylinder 210 and to positioning datum 21 and is connected to references 212 on the first cylinder 210, drives references 212 to carry out rotating the X on references 212 is fitted in X to the X on locating piece 11 on locating surface 112 to positioning reference plane 211 by the first cylinder 210; Clamping mechanism 22 has one second cylinder 220 and and is connected to clamping element 222 on the second cylinder, drive clamping element 222 to carry out rotating by the second cylinder 220 and be clamped in X to the X on locating piece 11 on clamping surface 111, further that the X on references 212 is seamless applying in X to the X on locating piece 11 on locating surface 112 to positioning reference plane 211;
As shown in Fig. 5 A, 5B, one Y-direction acted on the Y-direction locating piece 12 of the two sides of carriage frame 16 is floated positioning unit 30, Y-direction floats positioning unit 30 containing the Y-direction positioning datum 31,32 that can contact with the second Y-direction locating piece 123,124 of a side of carriage frame 16, as shown in Figure 6A, Y-direction positioning datum 31,32 has the first pedestal 310,320 and is located at the Y-direction positioning datum conflict block 311,321 on the first pedestal 310,320, can contact with the second Y-direction locating piece 123,124 of carriage frame 16, with can with the first Y-direction locating piece 121 of carriage frame 16, the Y-direction floating clamping mechanism part 33 of 122 contacts, 34, as shown in Fig. 6 B and Fig. 7, Y-direction floating clamping mechanism part 33, 34 have one second pedestal 330, 340, one is located at the second pedestal 330, rotating shaft 333 on 340, 343, one is located at the second pedestal 330, the spring clamp device 334 of side on 340, 344 spring clamp devices 330 relative to, 340 are fixedly connected with but can around rotating shaft 333, the 343 Y-direction clamps 331 rotated, 341, by spring clamp device 334, the elastic reaction of 344 rotates Y-direction clamp 331, 341 around rotating shaft 333, the rotation of 343 regulates Y-direction clamp 331, 341 with the first Y-direction locating piece 121 of carriage frame 16, 122 contacts meet Y-direction tolerance,
As shown in Figure 5 B, with a Z-direction positioning unit 40 acted on the Z-direction locating piece 13 of the bottom of the both sides of carriage frame 16, Z-direction positioning unit 40 is made up of with the first Z-direction positioning datum 44,45,46 also correspondingly shifted to install in Y-direction that can contact with the first Z-direction locating piece 131,132,133 of carriage frame 16 the second Z-direction positioning datum 41,42,43 also correspondingly shifted to install in Y-direction that can contact with the second Z-direction locating piece 134,135,136 of carriage frame 16, for being lifted by dolly.First Z-direction positioning datum 44,45,46 and second Z-direction positioning datum 41,42,43 parallel to each other.
Dolly dragging track 50 of the present utility model, have a right angle track 52, the right angle grooved roller 15 for carriage frame 16 is placed on it and slides, and has an obtuse angle track 51 in addition, parallel with right angle track 52, the obtuse angle grooved roller 14 for carriage frame 16 is placed on it and slides.
Workpiece conveying dolly of the present utility model and float positioning device thereof and dragging track, in an initial condition, trolley body 10 directly does sliding horizontal motion on dolly dragging track 50.Obtuse angle grooved roller 14 above trolley body 10 is fitted with the obtuse angle track 51 above dolly dragging track 50, as shown in Figure 3, dolly Z-direction and Y-direction size fluctuation can be made to be stabilized in certain scope.When dolly slips into float positioning device region, first Z-direction locating piece 131,132,133 and second Z-direction locating piece 134,135,136 of the Z-direction locating piece 13 in trolley body 10 can contact with the second Z-direction positioning datum 41,42,43 with the first Z-direction positioning datum 44,45,46 on Z-direction positioning unit 40 simultaneously, and overall for dolly Z-direction is raised 2mm, it is made to depart from dolly dragging track 50, as shown in figs. 8 a and 8b.Now because dolly is come by jack-up, therefore Z-direction precision is determined by the first Z-direction positioning datum 44,45,46 and second Z-direction positioning datum 41,42,43 above Z-direction positioning unit 40, have nothing to do, so can reduce the requirement of dragging track 50, reduced cost with dragging track 50.
While Z-direction positioning unit 40 works, the first Y-direction locating piece 121,122 on the Y-direction locating piece 12 of trolley body 10 can contact with the Y-direction floating clamping mechanism part 33,34 on Y-direction positioning unit 30, and the second Y-direction locating piece 123,124 can contact with Y-direction positioning datum 31,32.Now, the Y-direction positioning datum conflict block 311,321 of the Y-direction positioning datum 31,32 of Y-direction positioning unit 30 is fixed end.Y-direction clamp 331,341 on Y-direction floating clamping mechanism unit 33,34 is with float function, play clamping action, owing to comprising rotating shaft 333,343 and spring clamp device 334,344 in Y-direction floating clamping mechanism unit 33,34, therefore dolly push-tight can be leaned against on the Y-direction positioning datum conflict block 311,321 of Y-direction positioning unit 30 fixed end, ensure its Y-direction precision.The dolly simultaneously width dimensions fluctuated to some extent, spring clamp device 334,344 can correspondingly be compressed, Y-direction clamp 331,341 on Y-direction floating clamping mechanism unit 33,34 suitably can be rotated around rotating shaft 333,343, and sloping portion as shown in Figure 7, guarantees enough ranges of tolerable variance.
After whole trolley body 10 stops, X can dig to the X on clamping unit 20 automatically to positioning datum 21, and X is fitted to positioning reference plane 211 and the X above trolley body 10 to locating surface 112.Then X digs automatically to the clamping mechanism 22 on clamping unit 20, by the clamping of 111 above trolley body 10, guarantee between X is to the positioning reference plane 211 on clamping unit 20 and the X above trolley body 10 to locating surface 112 very close to each other, to ensure that its X is to positioning precision.
After whole trolley body 10 stops, X to the X on clamping unit 20 to positioning datum 21 above the first cylinder 210 can ventilate, and automatically dig, X above the references 212 that drive is connected with the first cylinder 210 rotates motion to positioning reference plane 211, so that fit to locating surface 112 with the X above trolley body 10.Then X also can ventilate to the second cylinder 220 above the clamping mechanism 22 on clamping unit 20 and automatically dig, clamping element face 221 on the drive clamping element 222 that drive is connected with the second cylinder 220 rotates motion, X in trolley body 10 is clamped to clamping surface 111, guarantee between X is to the positioning reference plane 211 on clamping unit 20 and the X above trolley body 10 to locating surface 112 very close to each other, to ensure that its X is to positioning precision.
By above step, X, Y, Z tri-directions of trolley body 10 are all accurately positioned, and can meet the requirement of automated production, because its structure is simple, compatible high, significantly can reduce cost payout.

Claims (4)

1. a workpiece conveying small rail car, comprises a workpiece conveying dolly and a dolly dragging track, it is characterized in that:
Described workpiece conveying dolly comprises a carriage frame, and the side of described carriage frame is provided with at least two obtuse angle grooved rollers, and opposite side is provided with at least two right angle grooved rollers; The side of described carriage frame is provided with an X to locating piece, and two sides are respectively provided with at least two Y-direction locating pieces, and the bottom of both sides is respectively provided with some Z-direction locating pieces;
Described dolly dragging track has a right angle track, and the right angle grooved roller for described carriage frame is placed on it and slides, and has an obtuse angle track in addition, and with described right angle parallel track, the obtuse angle grooved roller for described carriage frame is placed on it and slides.
2. workpiece conveying small rail car as claimed in claim 1, is characterized in that described X is positioned at the side being provided with at least two obtuse angle grooved rollers of described carriage frame to locating piece.
3. workpiece conveying small rail car as claimed in claim 1, is characterized in that the bottom of the both sides of described carriage frame is respectively provided with three pieces of Z-direction locating pieces shifted to install in Y-direction.
4. workpiece conveying small rail car as claimed in claim 1, it is characterized in that described X have on locating piece an X to locating surface and one with described X to locating surface back to X to clamping surface.
CN201420825622.3U 2014-12-19 2014-12-19 Workpiece conveying small rail car Active CN204355676U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420825622.3U CN204355676U (en) 2014-12-19 2014-12-19 Workpiece conveying small rail car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420825622.3U CN204355676U (en) 2014-12-19 2014-12-19 Workpiece conveying small rail car

Publications (1)

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CN204355676U true CN204355676U (en) 2015-05-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108453453A (en) * 2018-03-05 2018-08-28 东风柳州汽车有限公司 Fine positioning head cover alignment table

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108453453A (en) * 2018-03-05 2018-08-28 东风柳州汽车有限公司 Fine positioning head cover alignment table

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