CN215625162U - Positioning mechanism - Google Patents
Positioning mechanism Download PDFInfo
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- CN215625162U CN215625162U CN202120931852.8U CN202120931852U CN215625162U CN 215625162 U CN215625162 U CN 215625162U CN 202120931852 U CN202120931852 U CN 202120931852U CN 215625162 U CN215625162 U CN 215625162U
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- supporting plate
- positioning mechanism
- carrier
- jaw
- positioning
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Abstract
The utility model discloses a positioning mechanism, comprising: a frame; the jacking cylinder is arranged on the rack; the supporting plate is arranged above the jacking cylinder and is fixedly connected with the power output end of the jacking cylinder; the two clamping jaw components are arranged on the rack at intervals; when the jacking cylinder drives the supporting plate to lift, the supporting plate can drive the two clamping jaw components to open and close so as to clamp and position the carrier arranged on the supporting plate or loosen the carrier. The positioning mechanism can improve the positioning precision, has simple structure and reduces the cost.
Description
Technical Field
The utility model relates to the field of industrial automation, in particular to a positioning mechanism.
Background
In the field of industrial automation, the carriers are generally transported through a flow channel (assembly line or assembly line), and upon reaching a predetermined station, a blocking cylinder is required to perform a blocking operation on the carriers. The stop cylinder is not high in positioning accuracy of the carrier, a group of positioning mechanisms are often required to be added or a visual positioning technology is adopted, meanwhile, the carrier is stopped on the runner and can rub against a belt (or a synchronous belt and other conveying parts), unnecessary burden is caused to a runner motor and the like, abrasion is caused at the friction part, the service life is shortened, the friction process has the defects that noise is generated and the like, the carrier is required to be separated from the runner, a group of jacking devices are required to jack the carrier and is separated from the runner, and in the prior art, the stop mechanism, the positioning mechanisms and the jacking mechanisms are respectively independent mechanisms, the structure is complex, the cost is high, and therefore an integrated mechanism with high positioning accuracy, simple structure and low cost is required to be provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a positioning mechanism which can improve positioning accuracy, has a simple structure, and reduces cost.
In order to achieve the above object, the present invention provides a positioning mechanism comprising:
a frame;
the jacking cylinder is arranged on the rack;
the supporting plate is arranged above the jacking cylinder and is fixedly connected with the power output end of the jacking cylinder;
the two clamping jaw components are arranged on the rack at intervals;
when the jacking cylinder drives the supporting plate to lift, the supporting plate can drive the two clamping jaw components to open and close so as to clamp and position the carrier arranged on the supporting plate or loosen the carrier.
In the above positioning mechanism, the frame includes a bottom plate and two vertical plates disposed at the same side of the bottom plate at intervals, one of the clamping jaw members is pivotally connected to the top end of one of the vertical plates, and the other clamping jaw member is pivotally connected to the top end of the other vertical plate.
In the above positioning mechanism, the jaw member includes:
the pivoting part is rotatably arranged on the vertical plate through a pivot;
and the clamping claw part extends out of the pivoting part and forms a set included angle with the pivoting part, and the tail end of the clamping claw part is provided with a hook part which is matched with the supporting plate to clamp the carrier.
In the positioning mechanism, the supporting plate is arranged between the two vertical plates, two ends of the supporting plate are respectively provided with an extension arm, the extension arms are arranged opposite to the clamping claw parts, a follower facing the clamping claw parts is installed on the extension arms, and the clamping claw parts are provided with guide grooves for accommodating rollers of the follower; under the guidance of the guide groove, the supporting plate drives the clamping claw part to rotate through the follower so as to clamp and position the carrier on the supporting plate or release the carrier.
In the above positioning mechanism, each of the jaw members is provided with two of the jaw portions, and the two jaw portions are provided at an interval.
In the positioning mechanism, two ends of the supporting plate form a containing groove, the top end of one vertical plate is contained in one containing groove, and the top end of the other vertical plate is contained in the other containing groove.
In the above positioning mechanism, the guide groove includes a first movement track groove and a second movement track groove that are communicated with each other, the first movement track groove corresponds to the opening and closing movement of the two clamping jaw members, and the second movement track groove corresponds to the lifting movement of the supporting plate relative to the hook portion.
The positioning mechanism further comprises a stop component, wherein the stop component comprises a stop cylinder, a jacking block driven by the stop cylinder and a swinging block pivotally arranged on the jacking block.
In the positioning mechanism, a buffer is further arranged on the jacking block and abuts against the swinging block, and the top end of the swinging block is pivotally provided with a roller for rolling and stopping the carrier.
In the above positioning mechanism, the top surface of the supporting plate is provided with a positioning pin corresponding to the positioning hole arranged on the carrier.
In the above positioning mechanism, the frame is provided with a detection sensor for sensing whether the carrier is on the supporting plate.
By adopting the utility model, the jacking cylinder and the clamping jaw part are both arranged on the frame, thus forming an integrated mechanism, which has novel structure, simplicity, practicability and low cost.
The utility model is described in detail below with reference to the drawings and specific examples, but the utility model is not limited thereto.
Drawings
FIG. 1 is a block diagram of a positioning mechanism in an embodiment of the present invention;
FIG. 2 is a block diagram of a jaw assembly in an embodiment of the utility model;
FIG. 3 is a partial block diagram of a positioning mechanism in an embodiment of the utility model;
fig. 4 is a structural view of another perspective of the positioning mechanism in the embodiment of the present invention.
Wherein the reference numerals are as follows:
101-frame
1011-base plate
1012. 1013-vertical plate
102-gear stop cylinder
1021-jacking block
1022-swing block
1023-roller
1024-buffer
103-jacking cylinder
104-pallet
1041-extension arm
105-follower
107-positioning pin
108-detection sensor
210. 220-jaw part
211-pivot
2111-Pivot hole
212-jaw part
213-guide groove
2131 first motion track groove
2132 second motion track groove
2133 first positioning part
2134 second positioning part
Detailed Description
The following detailed description of the embodiments of the present invention with reference to the drawings and specific examples is provided for further understanding the objects, aspects and effects of the present invention, but not for limiting the scope of the appended claims.
Fig. 1 is a structural view of a positioning mechanism in an embodiment of the present invention, fig. 2 is a structural view of a jaw member in an embodiment of the present invention, and as shown in fig. 1 and 2, an embodiment of the present invention provides a positioning mechanism including:
a frame 101;
a jacking cylinder 103 arranged on the frame 101;
the supporting plate 104 is arranged above the jacking cylinder 103 and is fixedly connected with the power output end of the jacking cylinder 103;
two jaw members 210, 220 spaced apart on the frame 101;
when the jacking cylinder 103 drives the supporting plate 104 to ascend and descend, the supporting plate 104 can drive the two clamping jaw components 210 and 220 to open and close so as to clamp and position a carrier arranged on the supporting plate 104 or loosen the carrier.
In the embodiment of the utility model, the jacking cylinder 103 for jacking the carrier and the clamping jaw parts 210 and 220 for clamping the carrier are arranged on the frame 101 to form an integrated mechanism, so that the positioning precision is high, the structure is simple, and the cost is low.
Fig. 3 is a partial structural view of a positioning mechanism in an embodiment of the present invention, and referring to fig. 1 and 3, in an embodiment of the present invention, the frame 101 includes a bottom plate 1011 and two vertical plates 1012 and 1013 spaced apart on the same side of the bottom plate 1011, one of the jaw members 210 is pivotally connected to a top end of one of the vertical plates 1012, and the other jaw member 220 is pivotally connected to a top end of the other vertical plate 1013.
Referring to fig. 1 and 2, in one embodiment of the present invention, the jaw member 210 includes:
a pivot 211 having a pivot hole, pivotally mounted on the vertical plate 1012;
and the clamping claw part 212 extends from the pivot part 211 and forms a set included angle with the pivot part, and the tail end of the clamping claw part 212 is provided with a hook part which is matched with the supporting plate to clamp the carrier.
Referring to fig. 2, in an embodiment of the present invention, the claw portion 212 further includes a first positioning portion 2133 for roughly positioning the carrier before clamping the carrier, and a second positioning portion 2134 serving as a limiting end for limiting a jacking height of the carrier, so as to cooperate with the supporting plate to clamp the carrier in a vertical direction and prevent the carrier from shaking.
Fig. 4 is a structural diagram of another view angle of the positioning mechanism in an embodiment of the present invention, referring to fig. 1, fig. 2 and fig. 4, in an embodiment of the present invention, the supporting plate 104 is disposed between two vertical plates 1012 and 1013, both ends of the supporting plate 104 have extension arms 1041, the extension arms 1041 are disposed opposite to the claw portion 212, the follower 105 facing the claw portion 212 is mounted on the extension arms 1041, and the claw portion 212 has a guide groove 213 for receiving a roller of the follower 105; under the guidance of the guide groove 213, the pallet 104 drives the claw part 212 to rotate by the follower 105, so as to clamp the carrier positioned on the pallet 104 or release the carrier.
It can be seen that, during the process of lifting the supporting plate 104, the cam of the follower 105 engages and moves in the guiding groove 213, so as to drive the clamping claw portion 212, and the clamping claw portion 212 rotates around the pivot hole 2111, thereby completing the clamping action of the clamping carrier.
Referring to fig. 1 and 2, in one embodiment of the present invention, each of the jaw members 210, 220 is provided with two of the jaw portions 212, and the two jaw portions 212 are spaced apart.
Referring to fig. 1 and 4, in an embodiment of the present invention, two ends of the supporting plate 104 form an accommodating groove, a top end of one of the vertical plates is accommodated in one of the accommodating grooves, and a top end of the other of the vertical plates is accommodated in the other accommodating groove.
Referring to fig. 2, in an embodiment of the present invention, the guide groove 213 includes a first motion track groove 2131 and a second motion track groove 2132 that are communicated with each other, where the first motion track groove 2131 corresponds to the opening and closing motion of the two jaw members, and the second motion track groove 2132 corresponds to the lifting and lowering motion of the supporting plate relative to the hook portion.
As can be seen, during the ascending of the follower 105 with the pallet 104, the cam of the follower 105 is first moved in the first movement trace groove 2131 and then moved in the second movement trace groove 2132, thereby setting the rotation speed and the trace of the jaw member 210. Specifically, the first motion track groove 2131 is substantially perpendicular to the second motion track groove 2132, the first motion track groove 2131 can rapidly control the rotation of the jaw component 210 to rapidly clamp the carrier, and the second motion track groove 2132 enables the rotation speed of the jaw component 210 to be slowed down or to be kept at a constant rotation angle so as to maintain the clamping state and not damage the carrier.
Referring to fig. 1 and 3, in an embodiment of the present invention, the present invention further includes a stop member, and the stop member includes a stop cylinder 102, a lift-up block 1021 driven by the stop cylinder 102, and a swing block 1022 pivotally disposed on the lift-up block.
A buffer 1024 is further arranged on the jacking block 1021, the buffer 1024 butts against the swinging block 1022, and the top end of the swinging block 1022 is pivotally provided with a roller 1023 for rolling and stopping the carrier.
It can be seen that, in the embodiment of the present invention, when the blocking cylinder 102 is lifted, the carrier being transported is blocked, in order to prevent hard collision, the embodiment of the present invention designs a swing block 1022 and a buffer 1024, the swing block 1022 is rotatably mounted on the jacking block 1021 through a rotating shaft, and the roller 1023 is rotatably mounted on the swing block 1022 to block the carrier and reduce collision force on the carrier.
Referring to fig. 1, in an embodiment of the present invention, the rack 101 is provided with a detection sensor 108 for sensing whether the carrier is on the pallet. The top surface of the supporting plate 104 is provided with a positioning pin 107 corresponding to a positioning hole arranged on the carrier, so that the carrier is positioned in a horizontal direction with high precision.
The utility model therefore also has the following advantages:
from the above, the embodiments of the present invention have the following advantages:
1) in the jacking process, the two clamping jaw components clamp the carrier, and perform coarse positioning adjustment on the carrier to align the positioning holes on the carrier with the positioning pins on the supporting plate, so that the positioning precision is high, and the structure is stable and reliable;
2) the gear stop cylinder, the jacking cylinder and the clamping jaw mechanism are all arranged on the frame and form an integrated mechanism, and the gear stop cylinder, the jacking cylinder and the clamping jaw mechanism are novel in structure, simple and practical and low in cost.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (11)
1. A positioning mechanism, comprising:
a frame;
the jacking cylinder is arranged on the rack;
the supporting plate is arranged above the jacking cylinder and is fixedly connected with the power output end of the jacking cylinder;
the two clamping jaw components are arranged on the rack at intervals;
when the jacking cylinder drives the supporting plate to lift, the supporting plate can drive the two clamping jaw components to open and close so as to clamp and position the carrier arranged on the supporting plate or loosen the carrier.
2. The positioning mechanism as set forth in claim 1, wherein said frame includes a bottom plate and two vertical plates spaced apart on the same side of said bottom plate, one of said jaw members pivotally connected to a top end of one of said vertical plates, the other of said jaw members pivotally connected to a top end of the other of said vertical plates.
3. The positioning mechanism of claim 2, wherein said jaw members comprise:
the pivoting part is rotatably arranged on the vertical plate through a pivot;
and the clamping claw part extends out of the pivoting part and forms a set included angle with the pivoting part, and the tail end of the clamping claw part is provided with a hook part which is matched with the supporting plate to clamp the carrier.
4. The positioning mechanism according to claim 3, wherein the supporting plate is arranged between the two vertical plates, two ends of the supporting plate are respectively provided with an extension arm, the extension arms are arranged opposite to the clamping claw parts, followers facing the clamping claw parts are mounted on the extension arms, and the clamping claw parts are provided with guide grooves for accommodating rollers of the followers; under the guidance of the guide groove, the supporting plate drives the clamping claw part to rotate through the follower so as to clamp and position the carrier on the supporting plate or release the carrier.
5. A positioning mechanism according to claim 4, wherein each said jaw member is provided with two said jaw portions, the two said jaw portions being spaced apart.
6. The positioning mechanism as set forth in claim 4, wherein a receiving groove is formed at each of two ends of the supporting plate, a top end of one of the vertical plates is received in one of the receiving grooves, and a top end of the other of the vertical plates is received in the other of the receiving grooves.
7. The positioning mechanism as set forth in claim 4, wherein said guide grooves include a first movement path groove and a second movement path groove communicating with each other, said first movement path groove corresponding to the opening and closing movement of said two jaw members, and said second movement path groove corresponding to the lifting and lowering movement of said pallet relative to said hook portions.
8. The positioning mechanism of claim 1, further comprising a stop member comprising a stop cylinder, a lift block driven by the stop cylinder, and a swing block pivotally disposed on the lift block.
9. The positioning mechanism as set forth in claim 8, wherein a buffer is further disposed on the jacking block, the buffer abuts against the swinging block, and a roller for rolling and stopping the carrier is pivotally disposed at a top end of the swinging block.
10. The positioning mechanism as set forth in any one of claims 1 to 9, wherein the top surface of the supporting plate is provided with positioning pins corresponding to the positioning holes provided on the carrier.
11. The positioning mechanism as set forth in any one of claims 1 to 9, wherein a detection sensor for sensing whether the carrier is present on the pallet is provided on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120931852.8U CN215625162U (en) | 2021-04-30 | 2021-04-30 | Positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120931852.8U CN215625162U (en) | 2021-04-30 | 2021-04-30 | Positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215625162U true CN215625162U (en) | 2022-01-25 |
Family
ID=79937246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120931852.8U Active CN215625162U (en) | 2021-04-30 | 2021-04-30 | Positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215625162U (en) |
-
2021
- 2021-04-30 CN CN202120931852.8U patent/CN215625162U/en active Active
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