CN215588273U - Positioning mechanism and positioning device - Google Patents
Positioning mechanism and positioning device Download PDFInfo
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- CN215588273U CN215588273U CN202023183889.1U CN202023183889U CN215588273U CN 215588273 U CN215588273 U CN 215588273U CN 202023183889 U CN202023183889 U CN 202023183889U CN 215588273 U CN215588273 U CN 215588273U
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Abstract
The application discloses positioning mechanism and positioner. The positioning mechanism comprises a fixed seat, positioning pieces, a connecting rod and pushing pieces, wherein two sides of the fixed seat are respectively provided with an accommodating groove, a positioning piece is arranged in each accommodating groove in a sliding manner, and the positioning pieces can move along a first direction or a second direction opposite to the first direction; each positioning piece is provided with a pressing part for pressing the workpiece, and the pressing part is matched with the fixed seat to press or loosen the corresponding workpiece; one end of the connecting rod is movably connected with the positioning piece, and the other end of the connecting rod is fixedly connected with the pushing piece so as to move along a third direction or a fourth direction which is vertical to the first direction under the driving of the pushing piece and drive the positioning piece to move along the first direction or the second direction, thereby compressing or loosening the corresponding workpiece. The connecting rod and the pushing piece can simultaneously compress or loosen two workpieces, effective movement of the positioning piece is guaranteed, and positioning accuracy is high.
Description
Technical Field
The application relates to the technical field of machining devices, in particular to a positioning mechanism and a positioning device.
Background
In a welding operation, it is often necessary to position the workpieces to be welded. In the prior art, the correcting push block is usually pressed downwards through the inclined block to move so that the correcting push block presses the workpiece.
However, after long-term use, the elastic force of the inclined block is insufficient and the correction push block cannot be pushed to move, so that the positioning accuracy is low.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, the present application provides a positioning mechanism and a positioning device to solve the above problems.
The application provides a positioning mechanism, which comprises a fixed seat, a positioning piece, a connecting rod and a pushing piece,
two sides of the fixed seat are respectively provided with an accommodating groove, a positioning piece is arranged in each accommodating groove in a sliding manner, and the positioning piece can move along a first direction or a second direction opposite to the first direction;
each positioning piece is provided with a pressing part for pressing a workpiece, and the pressing part is matched with the fixed seat to press or release the corresponding workpiece;
one end of the connecting rod is movably connected with the positioning piece, and the other end of the connecting rod is fixedly connected with the pushing piece so as to move along a third direction or a fourth direction perpendicular to the first direction under the driving of the pushing piece and drive the positioning piece to move along the first direction or the second direction, so that the corresponding workpiece is pressed or loosened.
In some embodiments, the positioning device further includes a first elastic member disposed in the accommodating slot, one end of the first elastic member abuts against one end of the positioning member close to the connecting rod, and the other end abuts against a slot wall of the accommodating slot.
In some embodiments, a kidney-shaped hole inclined with respect to the first direction and the third direction is formed in one end of the connecting rod close to the positioning element, and a positioning pin is disposed at one end of the positioning element close to the connecting rod and movably disposed in the kidney-shaped hole.
In some embodiments, the angle of inclination of the kidney holes of the two links is the same, and the directions of inclination are opposite; the width of the waist-shaped hole is equivalent to the diameter of the positioning pin, and the length of the waist-shaped hole is larger than the diameter of the positioning pin.
In some embodiments, the positioning mechanism further includes a lateral positioning member, which is slidably disposed on a pushing member through a second elastic member, and presses the workpiece in the third direction when the pushing member moves to the third direction.
The embodiment of the application also provides a positioning device, which comprises a substrate, a power part and a plurality of positioning mechanisms;
a plurality of positioning mechanisms are arranged on the substrate at intervals along the third direction,
the power part is respectively connected with the pushing parts of the plurality of positioning mechanisms so as to drive the pushing parts to move along the third direction or the fourth direction.
In some embodiments, the positioning device further includes a plurality of third elastic members, one end of each third elastic member abuts against the pushing member of one of the positioning mechanisms, and the other end abuts against the fixing seat of another adjacent positioning mechanism.
In some embodiments, the positioning device further includes a holding member rotatably disposed on the base plate and connected to the power member, and the holding member, when rotated, drives the power member to move along the third direction or the fourth direction.
In some embodiments, the positioning device further includes a cover plate and a plurality of fourth elastic members, the cover plate is covered on one side of the fixing plate, an accommodating groove is formed in a position of the cover plate corresponding to the positioning mechanism, one end of each fourth elastic member abuts against the fixing seat, and the other end of each fourth elastic member abuts against a groove bottom of the accommodating groove of the cover plate.
In some embodiments, the positioning device further comprises a fastener disposed on the base plate for fastening the base plate and the cover plate together.
The positioning mechanism and the positioning device push the connecting rod to move along the third direction or the fourth direction through the pushing piece, so that the positioning pieces in the positioning grooves on two sides are driven to move along the first direction or the second direction respectively, and the corresponding workpieces are pressed or loosened. Compared with the prior art, the connecting rod and the pushing piece can simultaneously compress or release two workpieces, effective movement of the positioning piece is guaranteed, and positioning accuracy is high.
Drawings
Fig. 1 is a schematic perspective view of a positioning mechanism according to an embodiment of the present application.
Fig. 2 is an exploded view of the positioning mechanism of fig. 1.
Fig. 3 is an exploded schematic structural diagram of a positioning device according to an embodiment of the present application.
Description of the main elements
Fixed seat 11
Pressing part 121
Positioning pin 122
Connecting rod 13
Waist-shaped hole 131
Urging member 14
Limiting hole 142
First elastic member 15
Second elastic member 17
Third elastic member 40
Accommodating groove 61
Fourth elastic member 70
Fastener 80
The following detailed description will further illustrate the present application in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
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 application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. 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, the present application provides a positioning mechanism 10 for positioning a workpiece (not shown), wherein the positioning mechanism 10 can be used for positioning two parts at the same time, so as to fix the relative positions of the two parts, thereby facilitating the subsequent processes, such as welding the two parts. The positioning mechanism 10 includes a fixing seat 11, a positioning member 12, a connecting rod 13 and a pushing member 14.
Referring to fig. 2, the fixing base 11 is substantially rectangular plate-shaped. Two receiving grooves 111 are formed on one surface of the fixing base 11 along the X-axis direction at intervals.
The positioning member 12 is a block-shaped structure. The number of the positioning members 12 is two, and each positioning member 12 is slidably disposed in the corresponding receiving slot 111 and can move along a first direction or a second direction opposite to the first direction. Each positioning member 12 is provided with a pressing portion 121 for pressing a workpiece, and the pressing portion 121 is matched with the fixing seat 11 to press or release the corresponding workpiece. For convenience of understanding, the first direction is defined as a positive X-axis direction, and the second direction is defined as a negative X-axis direction.
When clamping a workpiece, placing the workpiece on both left and right sides, moving the left positioning element 12 in the left accommodating groove 111 along the negative direction of the X axis until the pressing part 121 corresponding to the left positioning element 12 presses the workpiece on the fixed seat 11; meanwhile, the right positioning member 12 moves in the right accommodating groove 111 in the positive X-axis direction until the pressing portion 121 corresponding to the right positioning member 12 presses another workpiece against the fixed seat 11.
When a clamped workpiece needs to be loosened, the left positioning piece 12 moves in the left accommodating groove 111 along the positive direction of the X axis, and the workpiece pressed by the left pressing part 121 is loosened; at the same time, the right positioning member 12 moves in the negative X-axis direction in the right accommodating groove 111, and the right pressing portion 121 releases the other workpiece pressed by the right pressing portion.
In one embodiment, at least one of the two workpieces is an elongated workpiece, the elongated workpiece has a fixing portion, the fixing portion is located between the pressing portion 121 and the fixing seat 11 for fixing, and the other workpiece is fixed by using the other pressing portion 121 and the fixing seat 11. The body of the elongated member may be extended at least to the location of and in contact with another workpiece to facilitate welding the two workpieces together after the two workpieces are secured using the positioning mechanism 10. Of course, the shapes of the two workpieces are merely illustrative, and in other embodiments, the two workpieces may be identical or not elongated, so long as they can be simultaneously secured using the positioning mechanism 10 of the present application.
The link 13 is substantially an L-shaped plate-like structure. The connecting rod 13 is arranged on one side of the fixed seat 11, one end of the connecting rod 13 is movably connected with the positioning part 12, and the other end of the connecting rod 13 is fixedly connected with the pushing part 14 in a bolt connection mode so as to move along a third direction or a fourth direction perpendicular to the first direction under the driving of the pushing part 14 and drive the positioning part 12 to move along the first direction or the second direction, thereby compressing or loosening the corresponding workpiece.
For convenience of understanding, the third direction is defined as a positive Y-axis direction, and the fourth direction is defined as a negative Y-axis direction.
One end of the connecting rod 13 close to the positioning member 12 is provided with a slotted hole 131 inclined relative to the first direction and the third direction, one end of the positioning member 12 close to the connecting rod 13 is provided with a positioning pin 122, and the positioning pin 122 is movably arranged in the slotted hole 131. The angle of inclination of the slotted holes of the two connecting rods 13 is the same, the direction of inclination is opposite, the width of the slotted hole 131 is equivalent to the diameter of the positioning pin 122, the length of the slotted hole 131 is larger than the diameter of the positioning pin 122, that is, the moving directions of the two positioning members 12 are opposite. In this embodiment, an angle between the length direction of the left waist-shaped hole 131 and the positive X-axis direction is 45 degrees, and an angle between the length direction of the right waist-shaped hole 131 and the negative X-axis direction is 45 degrees. It is understood that, in other embodiments, the angle between the length direction of the left waist-shaped hole 131 and the positive direction of the X-axis may be 30 degrees, and the angle between the length direction of the right waist-shaped hole 131 and the negative direction of the X-axis may be 30 degrees, but is not limited thereto.
The positioning mechanism 10 further includes a first elastic member 15 and a lateral positioning member 16.
The first elastic member 15 is disposed in the receiving groove 111. One end of the first elastic member 15 abuts against one end of the positioning member 12 away from the link 13, and the other end of the first elastic member 15 abuts against a groove wall of the accommodating groove 111. In the present embodiment, the first elastic member 15 is a spring, and it is understood that in other embodiments, the first elastic member 15 is rubber.
The lateral positioning piece 16 is arranged on the pushing piece 14 in a sliding mode through a second elastic piece 17, and the pushing piece 14 presses the workpiece in the fourth direction when moving towards the fourth direction.
In the present embodiment, the number of the lateral positioning elements 16 is one, and the lateral positioning elements correspond to one of the two positioning elements 12, so as to fix the corresponding workpiece in the third direction. Lateral positioning member 16 includes a lateral positioning block 161 and a positioning post 162. The pushing member 14 has a sliding cavity 141 formed therein and penetrating opposite side surfaces thereof, and the sliding cavity 141 extends in the Y-axis direction. The lateral positioning block 161 is slidably disposed in the sliding cavity 141 and located at one side of the fixing base 11, and one end of the lateral positioning block 161 close to the fixing base 11 is U-shaped; the positioning column 162 is arranged at the top of the lateral positioning block 161, a position of the pushing member 14 corresponding to the positioning column 162 is provided with a limiting hole 142, the limiting hole 142 is a strip-shaped hole, the width of the limiting hole is equivalent to the diameter of the positioning column 162, the length of the limiting hole extends along the Y-axis direction, and the positioning column 162 is arranged in the limiting hole 142 and can move along the Y-axis direction relative to the limiting hole; one end of the second elastic element 17 abuts against one end of the lateral positioning block 161 away from the fixing base 11, so that the lateral positioning block 161 elastically abuts against the outer sidewall of the fixing base 11. A notch 112 adjacent to the lateral positioning block 161 is formed on the sidewall of the accommodating slot 111 corresponding to the lateral positioning element 16, a portion of the pressing portion 121 extends out of the notch 112, and after the lateral positioning block 161 elastically presses the workpiece against the outer sidewall of the fixing base 11 in the third direction, the pressing portion 121 moves along the second direction to further press the workpiece, so as to accurately position the workpiece.
For the other accommodating slot 111, the lateral positioning element 16 is not disposed due to the difference of the workpieces, and the pressing portion 121 can move along the first direction to press the workpiece between the pressing portion 121 and the fixing base 11.
In this embodiment, the second elastic member 17 is a spring. In other embodiments, the second elastic member 17 may also be rubber.
It is understood that the receiving groove 111 may be configured in different shapes, such as a rectangle, or a shape after the rectangle and the circle are connected, and may be specifically configured according to actual needs, and is not limited specifically herein.
Referring to fig. 3, the embodiment of the present application further provides a positioning apparatus 100, which includes a plurality of positioning mechanisms 10, a base plate 20, and a power member 30.
The plurality of positioning mechanisms 10 are provided at intervals in the third direction on the substrate 20.
The power member 30 is rod-shaped. The power members 30 are respectively connected with the pushing members 14 of the plurality of positioning mechanisms 10 to drive the plurality of pushing members 14 to move in the third direction or the fourth direction simultaneously. Specifically, the power member 30 is inserted between the two receiving slots 111 of each positioning mechanism 10, and the other end of the second elastic member 17 abuts against one side of the fixing seat 11 of the other positioning mechanism 10. The power part 30 can realize linkage of a plurality of positioning mechanisms 10, and the workpieces can be pressed or loosened by all the positioning mechanisms 10 only by controlling the power part 30 to move along the third direction or the fourth direction.
The positioning device 100 further includes a plurality of third elastic members 40, one end of each third elastic member 40 abuts against the pushing member 14 of one positioning mechanism 10, and the other end of each third elastic member 40 abuts against the fixing seat 11 of another adjacent positioning mechanism. Third elastic member 40 can make pushing member 14 abut against fixing seat 11 of positioning mechanism 10, so as to prevent it from shaking.
In this embodiment, the third elastic member 40 is a spring. In other embodiments, the third elastic member 40 may also be rubber.
The positioning device 100 further includes a holding member 50, the holding member 50 is rotatably disposed on the base plate 20 and connected to the power member 30, and the holding member 50 can drive the power member 30 to move along the third direction or the fourth direction when rotating. In the present embodiment, the holder 50 is a handle.
In the present embodiment, the fourth elastic member 70 is a spring, and it is understood that in other embodiments, the fourth elastic member 70 is rubber. The fourth elastic member 70 and the receiving groove can prevent the fixing base 11 and the cover plate 60 from shaking relatively, and facilitate opening the cover plate 60.
The positioning device 100 further comprises a fastener 80, wherein the fastener 80 is disposed on the substrate 20 and is used for fastening the substrate 20 and the cover plate 60 together.
The positioning mechanism 10 and the positioning device 100 push the connecting rod 13 to move along the third direction or the fourth direction through the pushing member 14, so as to drive the positioning members 12 in the receiving grooves 111 on both sides to move along the first direction or the second direction, respectively, and press or release the corresponding workpieces. Compared with the prior art, the connecting rod 13 and the pushing piece 14 can simultaneously compress or release two workpieces, effective movement of the positioning piece is guaranteed, and positioning accuracy is high.
In addition, other changes may be made by those skilled in the art within the spirit of the application, and such changes are, of course, encompassed within the scope of the invention as claimed.
Claims (10)
1. A positioning mechanism is characterized in that the mechanism comprises a fixed seat, a positioning piece, a connecting rod and a pushing piece,
two sides of the fixed seat are respectively provided with an accommodating groove, a positioning piece is arranged in each accommodating groove in a sliding manner, and the positioning piece can move along a first direction or a second direction opposite to the first direction;
each positioning piece is provided with a pressing part for pressing a workpiece, and the pressing part is matched with the fixed seat to press or release the corresponding workpiece;
one end of the connecting rod is movably connected with the positioning piece, and the other end of the connecting rod is fixedly connected with the pushing piece so as to move along a third direction or a fourth direction perpendicular to the first direction under the driving of the pushing piece and drive the positioning piece to move along the first direction or the second direction, so that the corresponding workpiece is pressed or loosened.
2. The positioning mechanism as claimed in claim 1, further comprising a first elastic member disposed in the receiving slot, wherein one end of the first elastic member abuts against one end of the positioning member close to the link, and the other end abuts against a slot wall of the receiving slot.
3. The positioning mechanism according to claim 2, wherein a kidney-shaped hole inclined with respect to the first direction and the third direction is formed at an end of the link rod close to the positioning member, and a positioning pin is formed at an end of the positioning member close to the link rod and movably disposed in the kidney-shaped hole.
4. The positioning mechanism according to claim 3, wherein the angle of inclination of the kidney holes of the two links is the same, and the directions of inclination are opposite; the width of the waist-shaped hole is equivalent to the diameter of the positioning pin, and the length of the waist-shaped hole is larger than the diameter of the positioning pin.
5. The positioning mechanism according to claim 3, further comprising a lateral positioning member slidably disposed on the pushing member via a second elastic member for pressing the workpiece in the third direction when the pushing member moves in the third direction; the pusher releases the workpiece when moving in the fourth direction.
6. A positioning device comprising a base plate, a power member, and a plurality of positioning mechanisms according to any of claims 1-5,
a plurality of positioning mechanisms are arranged on the substrate at intervals along the third direction,
the power part is respectively connected with the pushing parts of the plurality of positioning mechanisms so as to drive the pushing parts to move along the third direction or the fourth direction.
7. The positioning device according to claim 6, further comprising a plurality of third elastic members, each of which has one end abutting the pushing member of one of the positioning mechanisms and the other end abutting the fixing seat of another adjacent one of the positioning mechanisms.
8. The positioning device as set forth in claim 6, further comprising a holding member rotatably disposed on the base plate and connected to the power member, wherein the holding member rotates to drive the power member to move in the third direction or the fourth direction.
9. The positioning device according to claim 6, further comprising a cover plate and a plurality of fourth elastic members, wherein the cover plate is covered on a side of the positioning mechanism away from the base plate, the cover plate is provided with a receiving slot corresponding to the positioning mechanism, one end of each of the fourth elastic members abuts against the fixing seat, and the other end of each of the fourth elastic members abuts against a bottom of the receiving slot of the cover plate.
10. The positioning device of claim 9, further comprising a fastener disposed on the base plate for fastening the base plate and the cover plate together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023183889.1U CN215588273U (en) | 2020-12-25 | 2020-12-25 | Positioning mechanism and positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023183889.1U CN215588273U (en) | 2020-12-25 | 2020-12-25 | Positioning mechanism and positioning device |
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| Publication Number | Publication Date |
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| CN215588273U true CN215588273U (en) | 2022-01-21 |
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| CN202023183889.1U Active CN215588273U (en) | 2020-12-25 | 2020-12-25 | Positioning mechanism and positioning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024113560A1 (en) * | 2022-11-28 | 2024-06-06 | 宁德时代新能源科技股份有限公司 | Positioning mechanism and tool carrier |
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2020
- 2020-12-25 CN CN202023183889.1U patent/CN215588273U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024113560A1 (en) * | 2022-11-28 | 2024-06-06 | 宁德时代新能源科技股份有限公司 | Positioning mechanism and tool carrier |
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Address after: 451162 the second and third floors of building B07, zone B, comprehensive bonded zone, east side of Zhenxing Road, Hangkong District, Zhengzhou City, Henan Province Patentee after: Fulian Yuzhan Technology (Henan) Co.,Ltd. Address before: 451162 the second and third floors of building B07, zone B, comprehensive bonded zone, east side of Zhenxing Road, Hangkong District, Zhengzhou City, Henan Province Patentee before: HENAN YUZHAN PRECISION TECHNOLOGY Co.,Ltd. |