CN220863073U - A dig vertical tilting mechanism that upwards of round pin for robot welding workstation - Google Patents
A dig vertical tilting mechanism that upwards of round pin for robot welding workstation Download PDFInfo
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- CN220863073U CN220863073U CN202322457434.1U CN202322457434U CN220863073U CN 220863073 U CN220863073 U CN 220863073U CN 202322457434 U CN202322457434 U CN 202322457434U CN 220863073 U CN220863073 U CN 220863073U
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- pressing arm
- support plate
- shaped guide
- arm
- rotating shaft
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- 238000003466 welding Methods 0.000 title claims abstract description 24
- 238000003825 pressing Methods 0.000 claims abstract description 72
- 238000007789 sealing Methods 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
A planing pin vertical upward overturning mechanism for a robot welding workstation comprises a thin cylinder, a pressing arm, a left supporting plate, a right supporting plate and a positioning pin; the left support plate and the right support plate are fixedly arranged at the left side and the right side of the thin cylinder, the left support plate and the right support plate are parallel, J-shaped guide sliding grooves are formed in the plate bodies of the left support plate and the right support plate, and the J-shaped guide sliding grooves at the two positions are distributed in mirror symmetry relative to the thin cylinder; the arc section of the J-shaped guide chute is arranged at the upper part, the straight line section of the J-shaped guide chute is arranged at the lower part, and the straight line section of the J-shaped guide chute is parallel to the driving rod of the thin air cylinder; the pressing arm adopts an L-shaped structure, one end part of a supporting arm of the pressing arm is hinged with the top end of a driving rod of the thin air cylinder through a first rotating shaft, and two ends of the first rotating shaft extend into two J-shaped guide sliding grooves respectively; the middle part of a pressing arm support arm connected with the thin cylinder driving rod is provided with a second rotating shaft, and two ends of the second rotating shaft extend into two J-shaped guide sliding grooves respectively; the locating pin is arranged on the other support arm of the pressing arm.
Description
Technical Field
The utility model belongs to the technical field of automatic welding robots, and particularly relates to a planing pin vertical upward overturning mechanism for a robot welding workstation.
Background
In the welding production of automobile parts, it is often encountered that some parts can only be positioned in the form of a pin for reasons of structural specificity and welding space limitations.
At present, the pressing arm of the traditional planing pin overturning mechanism adopts a fixed-point rotation mode to move the locating pin, the moving track of the locating pin is a standard circular arc line, in order to ensure that the locating pin can smoothly penetrate into and withdraw from a locating hole of a part, the diameter of the locating pin is required to be obviously smaller than the aperture of the locating hole of the part, and the locating precision of the locating pin to the part is reduced.
Disclosure of utility model
Aiming at the problems in the prior art, the utility model provides a planing pin vertical upward overturning mechanism for a robot welding workstation, which abandons the structural form of a traditional pressing arm fixed point rotary movement positioning pin, a movable design is adopted for a pressing arm rotary point, and the moving track of the pressing arm rotary point is J-shaped, so that the moving track of the positioning pin is also synchronous to be J-shaped, the positioning pin can coaxially penetrate into and withdraw from a positioning hole of a part along a straight line, and because the mode of penetrating and withdrawing the positioning pin from the positioning hole of the part is changed, clearance fit can be adopted between the positioning pin and the positioning hole of the part, and the difference between the diameter of the positioning pin and the aperture of the positioning hole of the part can be greatly reduced, thereby effectively improving the positioning precision of the positioning pin on the part.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a planing pin vertical upward overturning mechanism for a robot welding workstation comprises a thin cylinder, a pressing arm, a left supporting plate, a right supporting plate and a positioning pin; the left support plate and the right support plate are fixedly arranged at the left side and the right side of the thin cylinder, the left support plate and the right support plate are parallel, J-shaped guide sliding grooves are formed in the plate bodies of the left support plate and the right support plate, and the J-shaped guide sliding grooves at the two positions are distributed in mirror symmetry relative to the thin cylinder; the arc section of the J-shaped guide chute is arranged at the upper part, the straight line section of the J-shaped guide chute is arranged at the lower part, and the straight line section of the J-shaped guide chute is parallel to the driving rod of the thin air cylinder; the pressing arm is of an L-shaped structure, one end part of a supporting arm of the pressing arm is hinged with the top end of a driving rod of the thin air cylinder through a first rotating shaft, and two ends of the first rotating shaft extend into two J-shaped guide sliding grooves respectively; the middle part of a pressing arm support arm connected with the thin cylinder driving rod is provided with a second rotating shaft, and two ends of the second rotating shaft extend into two J-shaped guide sliding grooves respectively; the locating pin is arranged on the other support arm of the pressing arm.
The left support plate, the right support plate and the thin cylinder are connected by bolts, and the positioning between the parts is performed by pins.
A first adapter block and a second adapter block are arranged between the positioning pin and the pressing arm, the first adapter block adopts a T-shaped structure, and the second adapter block adopts an L-shaped structure; the vertical arm of the first adapter block is fixedly connected with the other support arm of the pressing arm, one support arm of the second adapter block is fixedly connected with the horizontal arm of the first adapter block, and the locating pin is fixedly arranged on the other support arm of the second adapter block.
The pressing arm is connected with the first adapter block, the first adapter block and the second adapter block through bolts, and the pins are used for positioning the parts.
The central axis of the locating pin is parallel to the plane where the J-shaped guide chute is located.
An adjusting gasket is arranged between the first adapter block and the second adapter block.
Antifriction bearings are arranged on shaft bodies of the first rotating shaft and the second rotating shaft which are positioned in the J-shaped guide chute, and the first rotating shaft and the second rotating shaft are matched with the J-shaped guide chute in a rolling contact manner through the antifriction bearings.
And the left support plate and the right support plate on the outer side of the J-shaped guide chute are respectively provided with a groove sealing baffle, and the groove sealing baffles are respectively connected with the left support plate and the right support plate by adopting screws.
A third switching block is fixedly arranged on the left supporting plate, and a pressing arm limiting block is fixedly arranged at the top of the third switching block; and a pressing arm positioning block is fixedly arranged on a pressing arm support arm connected with the thin cylinder driving rod, and the pressing arm positioning block is in butt joint fit with the pressing arm limiting block.
The left support plate and the third adapter block are connected by bolts, and the parts are positioned by pins; and bolts are adopted to connect the parts between the pressing arm limiting block and the third adapter block and between the pressing arm positioning block and the pressing arm.
The utility model has the beneficial effects that:
According to the planing pin vertical upward overturning mechanism for the robot welding workstation, the structural form of the traditional pressing arm fixed point rotary moving positioning pin is abandoned, the movable design is adopted for the pressing arm rotary point, the moving track of the pressing arm rotary point is J-shaped, the moving track of the positioning pin is further synchronous to be J-shaped, the positioning pin can coaxially penetrate into and withdraw from a positioning hole of a part along a straight line, and because the mode of penetrating into and withdrawing from the positioning hole of the part by the positioning pin is changed, clearance fit can be adopted between the positioning pin and the positioning hole of the part, the difference value between the diameter of the positioning pin and the aperture of the positioning hole of the part can be greatly reduced, so that the positioning precision of the positioning pin on the part is effectively improved.
Drawings
Fig. 1 is a schematic structural view (view one) of a planer pin vertical upward turning mechanism (the mechanism is in an opened state, and a sealing groove baffle is in a separated state) for a robot welding workstation;
FIG. 2 is a schematic view of a planer pin vertically upward turning mechanism (mechanism in an open state) for a robotic welding station (view two) according to the present utility model;
FIG. 3 is a schematic view of a planer pin vertically upward turning mechanism (mechanism in part positioning) for a robotic welding station (view II) according to the present utility model;
In the figure, a 1-thin type air cylinder, a 2-pressing arm, a 3-left support plate, a 4-right support plate, a 5-locating pin, a 6-J-shaped guide chute, a 7-first rotating shaft, an 8-second rotating shaft, a 9-first rotating block, a 10-second rotating block, an 11-antifriction bearing, a 12-groove sealing baffle, a 13-third rotating block, a 14-pressing arm limiting block, a 15-adjusting gasket and a 16-pressing arm locating block.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1 to 3, a planer pin vertical upward turning mechanism for a robot welding workstation comprises a thin cylinder 1, a press arm 2, a left support plate 3, a right support plate 4 and a positioning pin 5; the left support plate 3 and the right support plate 4 are fixedly arranged at the left side and the right side of the thin cylinder 1, the left support plate 3 and the right support plate 4 are parallel, J-shaped guide sliding grooves 6 are formed in the plate bodies of the left support plate 3 and the right support plate 4, and the two J-shaped guide sliding grooves 6 are distributed in mirror symmetry relative to the thin cylinder 1; the arc section of the J-shaped guide chute 6 is arranged at the upper part, the straight line section of the J-shaped guide chute 6 is arranged at the lower part, and the straight line section of the J-shaped guide chute 6 is parallel to the driving rod of the thin air cylinder 1; the pressing arm 2 adopts an L-shaped structure, one end part of a support arm of the pressing arm 2 is hinged with the top end of a driving rod of the thin air cylinder 1 through a first rotating shaft 7, and two ends of the first rotating shaft 7 respectively extend into two J-shaped guide sliding grooves 6; a second rotating shaft 8 is arranged in the middle of a support arm of the pressing arm 2 connected with the driving rod of the thin air cylinder 1, and two ends of the second rotating shaft 8 extend into two J-shaped guide sliding grooves 6 respectively; the locating pin 5 is arranged on the other support arm of the pressing arm 2.
The left support plate 3, the right support plate 4 and the thin cylinder 1 are connected by bolts, and the positioning between the parts is performed by pins.
A first adapter block 9 and a second adapter block 10 are arranged between the positioning pin 5 and the pressing arm 2, the first adapter block 9 adopts a T-shaped structure, and the second adapter block 10 adopts an L-shaped structure; the vertical arm of the first adapter block 9 is fixedly connected with the other support arm of the pressing arm 2, one support arm of the second adapter block 10 is fixedly connected with the horizontal arm of the first adapter block 9, and the positioning pin 5 is fixedly arranged on the other support arm of the second adapter block 10.
The pressing arm 2 and the first adapter block 9 and the second adapter block 10 are connected by bolts, and the positioning between the parts is performed by pins.
The central axis of the locating pin 5 is parallel to the plane of the J-shaped guide chute 6.
An adjusting shim 15 is arranged between the first adapter block 9 and the second adapter block 10.
Antifriction bearings 11 are mounted on shaft bodies of the first rotating shaft 7 and the second rotating shaft 8 which are positioned in the J-shaped guide chute 6, and the first rotating shaft 7 and the second rotating shaft 8 are in rolling contact fit with the J-shaped guide chute 6 through the antifriction bearings 11.
And the left support plate 3 and the right support plate 4 outside the J-shaped guide chute 6 are respectively provided with a groove sealing baffle 12, and the groove sealing baffles 12 are respectively connected with the left support plate 3 and the right support plate 4 by adopting screws.
A third switching block 13 is fixedly arranged on the left supporting plate 3, and a pressing arm limiting block 14 is fixedly arranged at the top of the third switching block 12; and a pressing arm positioning block 16 is fixedly arranged on a supporting arm of the pressing arm 2 connected with the driving rod of the thin air cylinder 1, and the pressing arm positioning block 16 is in butt joint fit with the pressing arm limiting block 14.
The left support plate 3 and the third adapter block 13 are connected by bolts, and all the bolts are used for positioning the parts; bolts are used for connecting the pressing arm limiting block 14 and the third switching block 13 and the pressing arm positioning block 16 and the pressing arm 2.
The following describes a one-time use procedure of the present utility model with reference to the accompanying drawings:
In the initial state, the driving rod of the thin air cylinder 1 is in an upward extending state, the first rotating shaft 7 is positioned at the top end of the straight line section of the J-shaped guide chute 6, the second rotating shaft 8 is positioned at the outermost end of the arc-shaped section of the J-shaped guide chute 6, the pressing arm 2 is in an everting state, and the positioning pin 5 is far away from the part.
When the parts are required to be positioned, the driving rod of the thin air cylinder 1 is controlled to retract downwards, the driving rod pulls the first rotating shaft 7 downwards, so that the first rotating shaft 7 moves downwards along the straight line section of the J-shaped guide chute 6, and the pressing arm 2 is driven to move.
In the moving process of the pressing arm 2, the second rotating shaft 8 is limited by the arc section of the J-shaped guide chute 6, and the pressing arm 2 can only drive the second rotating shaft 8 to move along the arc section of the J-shaped guide chute 6, so that the positioning pin 5 on the pressing arm 2 can also synchronously move along with the pressing arm 2 in an arc manner.
When the second rotating shaft 8 moves to the top end of the straight line segment of the J-shaped guide chute 6, the positioning pin 5 is in a vertical state, and the positioning pin 5 is positioned right above the part positioning hole.
Along with the continuous downward retraction of the driving rod of the thin type air cylinder 1, the second rotating shaft 8 moves downwards along the straight line section of the J-shaped guide chute 6, and at the moment, the moving track of the positioning pin 5 in the vertical state also becomes vertical downwards until the pressing arm positioning block 16 of the supporting arm of the pressing arm 2 in the horizontal state falls onto the lower pressing arm limiting block 14, the driving rod of the thin type air cylinder 1 stops acting, and at the moment, the positioning pin 5 is accurately and vertically inserted into the part positioning hole, so that the accurate positioning of the part is realized.
After the part is welded, the driving rod of the thin air cylinder 1 is controlled to extend upwards in a reverse direction, so that the positioning pin 5 can be withdrawn, the pressing arm 2 can vertically upwards and reversely reset, and preparation is made for the next part positioning.
The embodiments are not intended to limit the scope of the utility model, but rather are intended to cover all equivalent implementations or modifications that can be made without departing from the scope of the utility model.
Claims (10)
1. A dig vertical tilting mechanism that upwards of round pin for robot welding workstation, its characterized in that: comprises a thin cylinder, a pressing arm, a left supporting plate, a right supporting plate and a positioning pin; the left support plate and the right support plate are fixedly arranged at the left side and the right side of the thin cylinder, the left support plate and the right support plate are parallel, J-shaped guide sliding grooves are formed in the plate bodies of the left support plate and the right support plate, and the J-shaped guide sliding grooves at the two positions are distributed in mirror symmetry relative to the thin cylinder; the arc section of the J-shaped guide chute is arranged at the upper part, the straight line section of the J-shaped guide chute is arranged at the lower part, and the straight line section of the J-shaped guide chute is parallel to the driving rod of the thin air cylinder; the pressing arm is of an L-shaped structure, one end part of a supporting arm of the pressing arm is hinged with the top end of a driving rod of the thin air cylinder through a first rotating shaft, and two ends of the first rotating shaft extend into two J-shaped guide sliding grooves respectively; the middle part of a pressing arm support arm connected with the thin cylinder driving rod is provided with a second rotating shaft, and two ends of the second rotating shaft extend into two J-shaped guide sliding grooves respectively; the locating pin is arranged on the other support arm of the pressing arm.
2. A planer vertical upward turning mechanism for a robotic welding workstation as claimed in claim 1, wherein: the left support plate, the right support plate and the thin cylinder are connected by bolts, and the positioning between the parts is performed by pins.
3. A planer vertical upward turning mechanism for a robotic welding workstation as claimed in claim 1, wherein: a first adapter block and a second adapter block are arranged between the positioning pin and the pressing arm, the first adapter block adopts a T-shaped structure, and the second adapter block adopts an L-shaped structure; the vertical arm of the first adapter block is fixedly connected with the other support arm of the pressing arm, one support arm of the second adapter block is fixedly connected with the horizontal arm of the first adapter block, and the locating pin is fixedly arranged on the other support arm of the second adapter block.
4. A planer vertical upward turning mechanism for a robotic welding workstation as claimed in claim 3, wherein: the pressing arm is connected with the first adapter block, the first adapter block and the second adapter block through bolts, and the pins are used for positioning the parts.
5. A planer vertical upward turning mechanism for a robotic welding workstation as claimed in claim 1, wherein: the central axis of the locating pin is parallel to the plane where the J-shaped guide chute is located.
6. A planer vertical upward turning mechanism for a robotic welding workstation as claimed in claim 3, wherein: an adjusting gasket is arranged between the first adapter block and the second adapter block.
7. A planer vertical upward turning mechanism for a robotic welding workstation as claimed in claim 1, wherein: antifriction bearings are arranged on shaft bodies of the first rotating shaft and the second rotating shaft which are positioned in the J-shaped guide chute, and the first rotating shaft and the second rotating shaft are matched with the J-shaped guide chute in a rolling contact manner through the antifriction bearings.
8. A planer vertical upward turning mechanism for a robotic welding workstation as claimed in claim 1, wherein: and the left support plate and the right support plate on the outer side of the J-shaped guide chute are respectively provided with a groove sealing baffle, and the groove sealing baffles are respectively connected with the left support plate and the right support plate by adopting screws.
9. A planer vertical upward turning mechanism for a robotic welding workstation as claimed in claim 1, wherein: a third switching block is fixedly arranged on the left supporting plate, and a pressing arm limiting block is fixedly arranged at the top of the third switching block; and a pressing arm positioning block is fixedly arranged on a pressing arm support arm connected with the thin cylinder driving rod, and the pressing arm positioning block is in butt joint fit with the pressing arm limiting block.
10. A planer pin vertical flip mechanism for a robotic welding workstation as claimed in claim 9 wherein: the left support plate and the third adapter block are connected by bolts, and the parts are positioned by pins; and bolts are adopted to connect the parts between the pressing arm limiting block and the third adapter block and between the pressing arm positioning block and the pressing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322457434.1U CN220863073U (en) | 2023-09-08 | 2023-09-08 | A dig vertical tilting mechanism that upwards of round pin for robot welding workstation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322457434.1U CN220863073U (en) | 2023-09-08 | 2023-09-08 | A dig vertical tilting mechanism that upwards of round pin for robot welding workstation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220863073U true CN220863073U (en) | 2024-04-30 |
Family
ID=90807903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322457434.1U Active CN220863073U (en) | 2023-09-08 | 2023-09-08 | A dig vertical tilting mechanism that upwards of round pin for robot welding workstation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220863073U (en) |
-
2023
- 2023-09-08 CN CN202322457434.1U patent/CN220863073U/en active Active
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