CN210499424U - Automatic identification rotary positioning mechanism - Google Patents
Automatic identification rotary positioning mechanism Download PDFInfo
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- CN210499424U CN210499424U CN201921273339.3U CN201921273339U CN210499424U CN 210499424 U CN210499424 U CN 210499424U CN 201921273339 U CN201921273339 U CN 201921273339U CN 210499424 U CN210499424 U CN 210499424U
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Abstract
The utility model discloses an automatic discernment rotary positioning mechanism, include: one end face of the positioning clamp is arranged opposite to one end face of the workpiece; the lifting assembly comprises a frame body, a floating shaft, a rotating motor, a clamping arm and a switch piece, wherein the floating shaft is arranged on the frame body and can float up and down relative to the frame body; when the floating shaft, the clamping arm and the workpiece float to one end face of the positioning fixture, if one end face of the workpiece is not attached to one end face of the positioning fixture, the conductive needle is contacted with the conductive seat, the switch piece is switched on, the rotating motor drives the floating shaft, the clamping arm and the workpiece to rotate until one end face of the workpiece is attached to one end face of the positioning fixture, the conductive needle is separated from the conductive seat, and the switch piece is disconnected. The utility model provides an automatic discernment rotational positioning mechanism, automatic rotational positioning work piece.
Description
Technical Field
The utility model relates to a work piece location technical field, specifically speaking relates to an automatic discernment rotary positioning mechanism.
Background
The existing writing pen product comprises a hollow rod body, wherein the bottom surface of the rod body is an inclined surface or a plane with a groove or a bulge, the orientation of the bottom surface of the rod body needs to be limited in the manufacturing process of the writing pen product, the orientation of the bottom surface of the rod body is manually rotated and positioned at present, the efficiency is low, and the manufacturing cost is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic discernment rotational positioning mechanism, the automatic rotational positioning work piece.
The utility model discloses an automatic technical scheme that the rotatory positioning mechanism of discernment adopted is:
an automatic identification rotational positioning mechanism comprising: one end face of the positioning clamp is arranged opposite to one end face of the workpiece; the lifting assembly comprises a frame body, a floating shaft, a rotating motor, a clamping arm and a switch piece, wherein the floating shaft is arranged on the frame body and can float up and down relative to the frame body; the floating shaft, the clamping arm and the workpiece float towards the positioning fixture and float to one end face of the positioning fixture, if one end face of the workpiece is not attached to one end face of the positioning fixture, the conductive pin is contacted with the conductive seat, the switch piece is switched on, the rotating motor drives the floating shaft, the clamping arm and the workpiece to rotate until one end face of the workpiece is attached to one end face of the positioning fixture, the conductive pin is separated from the conductive seat, and the switch piece is switched off.
Preferably, a protruding column body is arranged on the top surface of the positioning clamp, and the column body is opposite to a hole formed in the workpiece.
As a preferred scheme, a shaft sleeve is sleeved on the floating shaft, a strip-shaped sliding groove is formed in the inner wall of the shaft sleeve, a protrusion corresponding to the strip-shaped sliding groove is arranged on the floating shaft, and the floating shaft can slide up and down relative to the shaft sleeve; the rotary motor drives the shaft sleeve to rotate through the gear piece, and the floating shaft rotates along with the shaft sleeve.
As a preferred scheme, the frame body can be lifted relative to the positioning clamp.
Preferably, an elastic part is arranged between the frame body and the floating shaft or between the frame body and the clamping arm, and the elastic part is used for providing downward force for the floating shaft and the clamping arm.
According to the preferable scheme, the middle of the clamping arm is provided with a guide pad, the bottom surface of the guide pad is provided with a horn mouth which is large at the bottom and small at the top, and the horn mouth is opposite to the top end of the workpiece.
Preferably, the positioning clamp is mounted on a fixing plate, and a guide hole is formed in the fixing plate; the frame body comprises a guide post, the guide post penetrates through the guide hole and can float up and down relative to the guide hole.
The utility model discloses an automatic discernment rotary positioning mechanism's beneficial effect is: the clamping arm clamps the workpiece, the floating shaft, the clamping arm and the workpiece float downwards under the action of gravity until the workpiece contacts the top surface of the positioning clamp below,
if one end face of the workpiece is not attached to one end face of the positioning fixture, a gap exists between the one end face of the workpiece and the one end face of the positioning fixture, so that the height of the floating shaft is higher than the preset height, the conductive seat is contacted with the conductive pin at the moment, the switch part is switched on, the rotating motor drives the floating shaft, the clamping arm and the workpiece to rotate, the gap between the one end face of the workpiece and the one end face of the positioning fixture changes when the workpiece rotates, the floating shaft, the clamping arm and the workpiece continue to float downwards under the action of gravity, the workpiece contacts one end face of the positioning fixture below again until the one end face of the workpiece is attached to the one end face of the positioning fixture, the floating shaft floats downwards until the conductive pin is separated from. The whole process is automatically finished, and the rotating and positioning precision of the bottom surface of the workpiece is higher.
Drawings
Fig. 1 is a schematic structural view of the automatic identification rotary positioning mechanism of the present invention.
Fig. 2 is an enlarged schematic view of a part a of the automatic identification rotary positioning mechanism of the present invention.
Fig. 3 is a front view of the automatic identification rotary positioning mechanism of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
referring to fig. 1, an automatic identification rotary positioning mechanism includes a positioning fixture 10 and a lifting assembly 20.
Referring to fig. 1 and 2, the positioning jig 10 is mounted on the fixing plate 40, the top surface 11 of the positioning jig is disposed opposite to the bottom surface of the workpiece 30, the top surface 11 of the positioning jig has a protruding column 12, and the column 12 is opposite to the hole formed in the workpiece 30. The workpiece 30 is placed on the positioning jig 10 by a robot arm or a worker, and the workpiece 30 is erected on the positioning jig top surface 11 by the column 12. The top surface 11 of the positioning fixture is adapted to the bottom surface of the workpiece, when the bottom surface of the workpiece is an inclined surface, the top surface 11 of the positioning fixture is an inclined surface adapted to the inclined surface, and when the bottom surface of the workpiece is a plane with a groove, the top surface 11 of the positioning fixture is a plane with a protrusion.
The lifting assembly 20 includes a frame body 21, a floating shaft 22 provided on the frame body 21 and capable of floating up and down with respect to the frame body 21, a rotation motor 23 for driving the floating shaft 22 to rotate, a clamping arm 24 provided on the floating shaft 22 for clamping a workpiece 30, and an opening/closing member 25. The switch element 25 includes a conductive socket 252 mounted on the top end of the floating shaft 22 and a conductive pin 251 mounted on the frame body 21, the conductive socket 252 is connected when contacting the conductive pin 251, and the conductive socket 252 is disconnected when separating from the conductive pin 251.
When the floating shaft 22, the clamping arm 24 and the workpiece 30 float downward to the top surface 11 of the positioning fixture, if the bottom surface of the workpiece 30 is not attached to the top surface 11 of the positioning fixture, the top end of the floating shaft 22 is higher than a preset height, the conductive seat 252 contacts with the conductive pin 251 at the moment, the switch element 25 is turned on, the rotating motor 23 works and drives the floating shaft 22, the clamping arm 24 and the workpiece 30 to rotate until the bottom surface of the workpiece 30 is attached to the top surface 11 of the positioning fixture, the floating shaft 22 floats downward to be not higher than the preset height after the attachment, the conductive seat 252 is separated from the conductive pin 251 at the moment, and the switch element 25 is turned off.
Referring to fig. 1 and 3, a shaft sleeve 221 is sleeved on the floating shaft 22, a strip-shaped sliding groove is formed in the inner wall of the shaft sleeve 221, and a protrusion corresponding to the strip-shaped sliding groove is formed on the floating shaft 22, so that the floating shaft 22 can slide up and down relative to the shaft sleeve 221, and meanwhile, when the rotating motor 23 drives the shaft sleeve 221 to rotate through the gear 231, the floating shaft 22 also rotates along with the shaft sleeve 221.
An elastic piece is arranged between the frame body 21 and the floating shaft 22 or between the frame body 21 and the clamping arm 24, and the elastic piece is used for providing downward force for the floating shaft 22 and the clamping arm 24 so as to shorten the downward floating time and improve the efficiency.
The frame body 21 is liftable with respect to the positioning jig 10 to facilitate the placement of the workpiece 30 on the positioning jig 10. During operation, the frame body 21, the floating shaft 22, the rotating motor 23 and the clamping arm 24 integrally move downward, the clamping arm 24 clamps the workpiece 30 placed on the workpiece 30, and after the frame body 21, the floating shaft 22, the rotating motor 23 and the clamping arm 24 integrally move upward to a preset position, a positioning process of the workpiece 30 is started.
The clamping arm 24 is a clamping arm cylinder, a guide pad 241 is arranged at the middle part of the clamping arm, a horn mouth with a large lower part and a small upper part is formed in the bottom surface of the guide pad 241, and the horn mouth is opposite to the top end of the workpiece 30. Because there is the clearance between the cylinder 12 on the positioning fixture 10 and the hole of the workpiece 30, it is not ensured that the workpiece 30 is in the vertical state, and by providing the bell mouth, when the clamping arm 24 moves downwards, the bell mouth can guide the top end of the workpiece 30 so that the workpiece 30 is in the central position of the bell mouth, and then the clamping arm 24 clamps the workpiece 30 again, thereby improving the reliability of positioning the workpiece 30.
In the above scheme, the fixing plate 40 is provided with the guide hole 41, the frame body 21 includes the guide pillar 211, and the guide pillar 211 is inserted into the guide hole 41 and can float up and down relative to the guide hole 41. Specifically, the guide hole 41 is provided with a guide sleeve 42, and the guide post 211 is inserted into the guide sleeve 42 and can float up and down relative to the guide sleeve 42.
The utility model discloses an automatic discernment rotary positioning mechanism, 24 centre gripping work pieces 30 of centre gripping arm, floating shaft 22, centre gripping arm 24 and work piece 30 float downwards under the action of gravity, until the positioning fixture top surface 11 of work piece 30 contact below.
If the bottom surface of the workpiece 30 is not attached to the top surface 11 of the positioning fixture, a gap exists between the bottom surface of the workpiece 30 and the top surface 11 of the positioning fixture, so that the conductive pin 251 is in contact with the conductive seat 252, the switch 25 is turned on, the rotating motor 23 drives the floating shaft 22, the clamping arm 24 and the workpiece 30 to rotate, the workpiece 30 rotates until the gap between the bottom surface of the workpiece 30 and the top surface 11 of the positioning fixture is reduced, the floating shaft 22, the clamping arm 24 and the workpiece 30 continue to float downward under the action of gravity, the workpiece 30 contacts the top surface 11 of the positioning fixture again until the bottom surface of the workpiece 30 is attached to the top surface 11 of the positioning fixture, the conductive pin 251 is in contact with the conductive seat. The whole process is automatically completed, and the rotating positioning precision of the bottom surface of the workpiece 30 is higher.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. An automatic identification rotary positioning mechanism, comprising:
one end face of the positioning clamp is arranged opposite to one end face of the workpiece; and
the lifting assembly comprises a frame body, a floating shaft, a rotating motor, a clamping arm and a switch piece, wherein the floating shaft is arranged on the frame body and can float up and down relative to the frame body;
the floating shaft, the clamping arm and the workpiece float towards the positioning fixture and float to one end face of the positioning fixture, if one end face of the workpiece is not attached to one end face of the positioning fixture, the conductive pin is contacted with the conductive seat, the switch piece is switched on, the rotating motor drives the floating shaft, the clamping arm and the workpiece to rotate until one end face of the workpiece is attached to one end face of the positioning fixture, the conductive pin is separated from the conductive seat, and the switch piece is switched off.
2. The automatic identification rotary positioning mechanism of claim 1 wherein the positioning fixture has a protruding post on one end face, the post opposing a hole formed in one end face of the workpiece.
3. The automatic identification rotary positioning mechanism of claim 1, wherein the floating shaft is sleeved with a shaft sleeve, the inner wall of the shaft sleeve is provided with a strip-shaped chute, the floating shaft is provided with a protrusion corresponding to the strip-shaped chute, and the floating shaft can slide up and down relative to the shaft sleeve;
the rotary motor drives the shaft sleeve to rotate through the gear piece, and the floating shaft rotates along with the shaft sleeve.
4. The automatic identification rotary positioning mechanism of any one of claims 1-3, wherein the frame body is liftable with respect to the positioning fixture.
5. The automatic identification rotary positioning mechanism of claim 4, wherein an elastic member is disposed between the frame body and the floating shaft or between the frame body and the clamping arm, and the elastic member is used for providing a downward force to the floating shaft and the clamping arm.
6. The automatic identification rotary positioning mechanism of claim 4, wherein the middle of the clamping arm is provided with a guide pad, the bottom surface of the guide pad is provided with a bell mouth with a large bottom and a small top, and the bell mouth is opposite to the top end of the workpiece.
7. The automatic identification rotary positioning mechanism of claim 4, wherein the positioning fixture is mounted on a fixed plate, and a guide hole is formed on the fixed plate;
the frame body comprises a guide post, the guide post penetrates through the guide hole and can float up and down relative to the guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921273339.3U CN210499424U (en) | 2019-08-08 | 2019-08-08 | Automatic identification rotary positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921273339.3U CN210499424U (en) | 2019-08-08 | 2019-08-08 | Automatic identification rotary positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210499424U true CN210499424U (en) | 2020-05-12 |
Family
ID=70588190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921273339.3U Active CN210499424U (en) | 2019-08-08 | 2019-08-08 | Automatic identification rotary positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210499424U (en) |
-
2019
- 2019-08-08 CN CN201921273339.3U patent/CN210499424U/en active Active
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