CN112693851B - Positioning device - Google Patents
Positioning device Download PDFInfo
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- CN112693851B CN112693851B CN201911003336.2A CN201911003336A CN112693851B CN 112693851 B CN112693851 B CN 112693851B CN 201911003336 A CN201911003336 A CN 201911003336A CN 112693851 B CN112693851 B CN 112693851B
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- mounting plate
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Abstract
The invention provides a positioning device which comprises an installation plate, a clamping mechanism and a driving mechanism. The clamping mechanism comprises a sliding block, two connecting rod assemblies and two clamping pieces, the sliding block is connected with the driving mechanism, and each connecting rod assembly comprises a first connecting rod, a second connecting rod, a third connecting rod and a sliding seat. One end of each first connecting rod is pivoted with the sliding block, and the other end of each first connecting rod is pivoted with the middle part of the corresponding second connecting rod; one end of each second connecting rod is respectively pivoted with the mounting plate, and the other end of each second connecting rod is pivoted with the corresponding third connecting rod. The sliding seats are fixed on the mounting plate, and the third connecting rod can be slidably arranged in the corresponding sliding seats in a penetrating manner; the clamping piece is connected with one end, far away from the second connecting rod, of the third connecting rod. The driving mechanism can drive the sliding block to slide so as to drive the first connecting rod and the second connecting rod to rotate, and further drive the third connecting rod and the clamping pieces to slide, so that the two clamping pieces can jointly position the workpiece. The positioning device has the advantages of high response speed and high positioning efficiency.
Description
Technical Field
The invention relates to the field of machining, in particular to a positioning device.
Background
In industrial production, when using a flow line to transport products, it is often necessary to stop the product and position it to one side of the flow line, i.e. the product is positioned against the side. Traditional positioning mechanism is fixed a position for adopting two cylinders, utilizes the cylinder that is located the rear earlier to carry out the backstop with the product, and the cylinder that utilizes to be located the place ahead again pushes away the product to the side of streamline. However, this method has the disadvantages of slow response speed and low positioning efficiency.
Disclosure of Invention
In view of the above circumstances, it is desirable to provide a positioning apparatus having a high response speed and a high positioning efficiency.
The invention provides a positioning device, which comprises an installation plate, a clamping mechanism arranged on the installation plate, and a driving mechanism connected with the clamping mechanism; the clamping mechanism comprises a sliding block, two connecting rod assemblies and two clamping pieces, and the sliding block is connected with the driving mechanism; each connecting rod component comprises a first connecting rod, a second connecting rod, a third connecting rod and a sliding seat, one end of each first connecting rod is pivoted with the sliding block, and the other end of each first connecting rod is pivoted with the middle part of the corresponding second connecting rod; one end of each second connecting rod is respectively pivoted with the mounting plate, and the other end of each second connecting rod is pivoted with the corresponding third connecting rod; the sliding seats are fixed on the mounting plate, and the third connecting rods are slidably arranged in the corresponding sliding seats in a penetrating manner; the clamping piece is connected with one end, far away from the second connecting rod, of the third connecting rod; the driving mechanism can drive the sliding block to slide so as to drive the first connecting rod and the second connecting rod to rotate, and further drive the third connecting rod and the clamping pieces to slide, so that the two clamping pieces can jointly position the workpiece.
The positioning device comprises a driving mechanism and a positioning mechanism, the positioning mechanism comprises a sliding block, two connecting rod assemblies and two clamping pieces, and the driving mechanism drives the sliding block to slide so as to drive the two connecting rod assemblies to move together, so that the two clamping pieces jointly position the workpiece. Therefore, the positioning device realizes the positioning of the workpiece close to the edge, and has high response speed and high positioning efficiency.
Drawings
Fig. 1 is a schematic perspective view of a positioning device in an embodiment of the present application.
Fig. 2 is a schematic perspective view of the positioning device shown in fig. 1 from another angle.
Fig. 3 is an exploded perspective view of the positioning device shown in fig. 1.
Fig. 4 is a perspective view of a clamping mechanism in the positioning device shown in fig. 1.
Fig. 5 is a schematic view of the clamping mechanism in the positioning device shown in fig. 1 in a use state.
Description of the main elements
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, the present invention provides a positioning apparatus 100, which includes a mounting plate 10, a driving mechanism 20 and a clamping mechanism 30.
The mounting plate 10 is substantially rectangular plate-shaped, a sliding hole 11 extending in the first direction X is formed through the middle of the mounting plate 10, and the sliding hole 11 is substantially bar-shaped.
The driving mechanism 20 is disposed at one side of the mounting plate 10 and connected to the clamping mechanism 30. The driving mechanism 20 includes a driving member 21 and a shift lever 22 connected to a driving end of the driving member 21. The driving member 21 is used for driving the shift lever 22 to move along a first direction X parallel to the mounting plate 10.
In the present embodiment, the driving member 21 is a single-rod cylinder and includes a cylinder body 211 and a driving rod 212 connected to the cylinder body 211.
Preferably, the driving rod 212 is threadedly coupled to the shift lever 22. Specifically, the end of the drive rod 212 is threaded. One end of the driving lever 22 is formed with a coupling hole (not shown) having a screw thread on an inner wall thereof, and one end of the driving rod 212 is inserted into the coupling hole. Since the driving rod 212 is connected to the shift lever 22 by a screw, the shift lever 22 can limit the axial degree of freedom of the driving rod 212, and at the same time, the driving rod 212 is allowed to float in the radial direction, preventing the driver 21 from being locked.
In one embodiment, the driving mechanism 20 further includes an oil pressure damper 23, and the oil pressure damper 23 is disposed on the mounting plate 10 and opposite to the shift lever 22. The oil pressure balancer 23 and the driver 21 are respectively located on both sides of the slide hole 11.
The clamping mechanism 30 is disposed on a side of the mounting plate 10 facing away from the driving mechanism 20, and the clamping mechanism 30 includes a sliding block 31, two link assemblies 32, and two clamping members 33.
The slide block 31 is connected to the drive mechanism 20. The sliding blocks 31 are used for driving the two connecting rod assemblies 32 and the two clamping pieces 33 to move simultaneously under the driving of the driving mechanism 20. In the present embodiment, one end of the slide block 31 is slidably inserted into the slide hole 11 and connected to the shift lever 22.
Two link assemblies 32 are respectively connected to both sides of the slide block 31. Each linkage assembly 32 includes a first link 321, a second link 322, a third link 323, and a carriage 324.
Referring to fig. 4, one end of each first link 321 is pivotally connected to the sliding block 31, and the other end is pivotally connected to the middle portion of the corresponding second link 322.
In the present embodiment, one end of each first link 321 is pivotally connected to the sliding block 31 through a first pivot 325 disposed on the sliding block 31, and the other end is pivotally connected to the middle portion of the corresponding second link 322 through a second pivot 327 disposed on the second link 322. Therefore, the first link 321 can rotate the second link 322.
One end of each second link 322 is pivotally connected to the mounting plate 10, and the other end is pivotally connected to the corresponding third link 323.
In the present embodiment, since both the second links 322 are pivotally connected to the mounting plate 10 via a rotating shaft 326 provided on the mounting plate 10, the second links 322 can rotate about the rotating shaft 326. Preferably, the rotation shaft 326 is located at one side of the sliding hole 11.
Preferably, one end of the second link 322 close to the third link 323 is provided with a bar-shaped moving hole 3221, one end of the third link 323 is fixedly connected to a connecting pin 328, and the connecting pin 328 is slidably inserted into the moving hole 3221, so that the second link 322 is pivotally connected to the third link 323. Preferably, the connecting pin 328 is sleeved with a small diameter bearing 329. A third link 323 is slidably disposed through the carriage 324.
The slider 324 is fixed on the mounting plate 10, and a limiting through hole 3241 is formed in the slider 324, and the limiting through hole 3241 is inclined with respect to the first direction X. The third link 323 is slidably disposed in the limiting through hole 3241 of the sliding base 324, so that the sliding base 324 can limit the sliding direction of the third link 323.
The two clamping members 33 are respectively fixedly connected with the corresponding third connecting rod 323, and the clamping members 33 are connected to one end of the third connecting rod 323 away from the second connecting rod 322. Each of the clamping members 33 includes a first position-limiting portion 331 and a second position-limiting portion 332 connected vertically, the first position-limiting portion 331 extends along a first direction X, and the second position-limiting portion 332 extends along a second direction Y perpendicular to the first direction X. The two clamping members 33 are symmetrical in shape, so that the two clamping members 33 can jointly position the workpiece when moving towards each other.
In one embodiment, the clamping member 33 further includes a connecting portion 333 connected to the third link 323, and the connecting portion 333 is disposed at a connection portion between the first limiting portion 331 and the second limiting portion 332. It is understood that the coupling part 333 may be eliminated as long as the clamping member 33 can achieve a fixed connection with the third link 323, and for example, the clamping member 33 may be integrally formed with the third link 323.
In the positioning apparatus 100, the driving mechanism 20 can drive the sliding block 31 to slide, so as to drive the first connecting rod 321 and the second connecting rod 322 in the two connecting rod assemblies 32 to rotate, and further drive the third connecting rod 323 and the clamping member 33 to slide, so that the two clamping members 33 clamp and position the workpiece together.
Fig. 5 is a schematic view of the clamping mechanism 30 in a use state, and other structures of the positioning device are omitted. The positioning device 100 may be mounted to one side of the assembly line 200 to position the workpiece 300 along the edge of the assembly line 200. In the waiting state before positioning, the distance between the two holding members 33 is large. Referring to fig. 1 to fig. 5, when the workpiece 300 moves to the positioning area, the driving member 21 of the driving mechanism 20 drives the shift lever 22 to drive the sliding block 31 to slide along the mounting plate 10, the two first connecting rods 321 drive the corresponding second connecting rods 322 to rotate, so that the two second connecting rods 322 approach each other, and further drive the two third connecting rods 323 to slide along the axial direction thereof toward the workpiece, so that the two clamping members 33 approach each other, and the two clamping members 33 push the workpiece 300 together, so that the workpiece 300 moves to one side of the assembly line 200 and is clamped by the two clamping members 33. Therefore, the first limiting portions 331 of the two clamping members 33 limit the workpiece 300 in the first direction X, and the second limiting portions 332 of the two clamping members 33 limit the workpiece in the second direction Y, so that the side-by-side positioning of the workpiece 300 is accurately realized.
In the present embodiment, the clamping mechanism 30 is provided on the side of the mounting plate 10 away from the driving mechanism 20, but the invention is not limited thereto, and the clamping mechanism 30 may be provided on the same side of the mounting plate 10 as the driving mechanism 20. In this case, the shift lever 22 may be omitted, and the driving member 21 may directly drive the sliding block 31; the drive mechanism 20 may be provided on a base plate other than the mounting plate 10.
The positioning device comprises a driving mechanism 20 and a clamping mechanism 30, the clamping mechanism 30 comprises a sliding block 31, two connecting rod assemblies 32 and two clamping pieces 33, and the driving mechanism 20 drives the sliding block 31 to slide so as to drive the two connecting rod assemblies 32 to move together, so that the two clamping pieces 33 can position the workpiece together. Therefore, the positioning device 100 realizes the positioning of the workpiece close to the edge, and has high response speed and positioning efficiency.
The positioning device 100 has a simple structure, reduces the number of the driving mechanisms 20 and the complexity of electric control, and improves the reliability of movement. In addition, the positioning device 100 can be suitable for workpieces with various sizes, and is better in containment.
In addition, other modifications within the spirit of the invention may occur to those skilled in the art, and such modifications are, of course, included within the scope of the invention as claimed.
Claims (9)
1. The positioning device is characterized by comprising a mounting plate, a clamping mechanism arranged on the mounting plate, and a driving mechanism connected with the clamping mechanism; the clamping mechanism comprises a sliding block, two connecting rod assemblies and two clamping pieces, and the sliding block is connected with the driving mechanism; each connecting rod component comprises a first connecting rod, a second connecting rod, a third connecting rod and a sliding seat, one end of each first connecting rod is pivoted with the sliding block, and the other end of each first connecting rod is pivoted with the middle part of the corresponding second connecting rod; one end of each second connecting rod is respectively pivoted with the mounting plate, the other end of each second connecting rod is provided with a strip-shaped moving hole, one end of each third connecting rod is fixedly connected with a connecting pin, and the connecting pin is slidably arranged in the moving hole in a penetrating manner, so that the second connecting rods are pivoted with the third connecting rods; the sliding seats are fixed on the mounting plate, and the third connecting rods can be slidably arranged in the corresponding sliding seats in a penetrating manner; the clamping piece is connected with one end, far away from the second connecting rod, of the third connecting rod; the driving mechanism can drive the sliding block to slide so as to drive the first connecting rod and the second connecting rod to rotate, and further drive the third connecting rod and the clamping pieces to slide, so that the two clamping pieces can jointly position the workpiece.
2. The positioning apparatus of claim 1, wherein: the driving mechanism is arranged on the mounting plate and comprises a driving piece and a shifting rod connected with the driving piece, and the driving piece is used for driving the shifting rod to move along a first direction parallel to the mounting plate.
3. The positioning device of claim 2, wherein: the clamping mechanism is arranged on one side, deviating from the driving mechanism, of the mounting plate, a sliding hole extending along the first direction is formed in the mounting plate, and one end of the sliding block slidably penetrates through the sliding hole and is connected with the shifting rod.
4. The positioning device of claim 2, wherein: a limiting through hole is formed in the sliding seat, the limiting through hole is obliquely arranged relative to the first direction, and the third connecting rod is slidably arranged in the limiting through hole of the sliding seat in a penetrating mode.
5. The positioning device of claim 2, wherein: the driving piece comprises a cylinder body and a driving rod connected with the cylinder body, and the driving rod is connected with the shifting rod through threads.
6. The positioning device of claim 2, wherein: the driving mechanism further comprises an oil pressure buffer, and the oil pressure buffer is arranged on the mounting plate and opposite to the shifting rod.
7. The positioning device of claim 3, wherein: two the second connecting rod is all located through one rotation axis on the mounting panel with the mounting panel looks pin joint, the rotation axis is located the one end of sliding hole.
8. The positioning apparatus of claim 1, wherein: the clamping piece comprises a first limiting part and a second limiting part which are vertically connected, and the two clamping pieces are symmetrical in shape.
9. The positioning device of claim 8, wherein: the clamping piece further comprises a connecting portion connected with the third connecting rod, and the connecting portion is arranged at the joint of the first limiting portion and the second limiting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911003336.2A CN112693851B (en) | 2019-10-22 | 2019-10-22 | Positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911003336.2A CN112693851B (en) | 2019-10-22 | 2019-10-22 | Positioning device |
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| Publication Number | Publication Date |
|---|---|
| CN112693851A CN112693851A (en) | 2021-04-23 |
| CN112693851B true CN112693851B (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911003336.2A Active CN112693851B (en) | 2019-10-22 | 2019-10-22 | Positioning device |
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| CN (1) | CN112693851B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114161817A (en) * | 2021-12-03 | 2022-03-11 | 江苏学泰印务有限公司 | Automatic aligning device for laminating heat transfer film |
| CN114434788B (en) * | 2021-12-20 | 2024-02-09 | 富鼎电子科技(嘉善)有限公司 | Attaching device |
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| CN208842724U (en) * | 2018-10-09 | 2019-05-10 | 瑞光（上海）电气设备有限公司 | Product driving means |
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| US9504298B2 (en) * | 2014-06-19 | 2016-11-29 | ATLeisure LLC | Automatic tilt mechanism and an umbrella having the same |
| CN205624866U (en) * | 2016-05-19 | 2016-10-12 | 浙江永强集团股份有限公司 | Automatic with parachute kit of non -automatic combination structure that opens and shuts |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171891A (en) * | 2013-04-16 | 2013-06-26 | 北京市建筑工程研究院有限责任公司 | Non-linear line feeding mechanism |
| TWM484502U (en) * | 2014-03-20 | 2014-08-21 | Chia Ming Machinery Co Ltd | Bottle embryo holding device for bottle blower |
| CN203753934U (en) * | 2014-03-27 | 2014-08-06 | 深圳市良机自动化设备有限公司 | High-speed positioning mechanism |
| CN205310294U (en) * | 2016-02-02 | 2016-06-15 | 山东凯文科技职业学院 | Hydraulic pressure slotted grabbing device |
| CN106185284A (en) * | 2016-07-29 | 2016-12-07 | 重庆新钰立金属科技有限公司 | Batch (-type) feed arrangement |
| CN107777215A (en) * | 2017-09-29 | 2018-03-09 | 安徽江淮汽车集团股份有限公司 | Tyre conveying line stopper and tire rollgang |
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| CN208842724U (en) * | 2018-10-09 | 2019-05-10 | 瑞光（上海）电气设备有限公司 | Product driving means |
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| CN112693851A (en) | 2021-04-23 |
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