CN209867681U - Vehicle frame positioning device - Google Patents
Vehicle frame positioning device Download PDFInfo
- Publication number
- CN209867681U CN209867681U CN201920636189.1U CN201920636189U CN209867681U CN 209867681 U CN209867681 U CN 209867681U CN 201920636189 U CN201920636189 U CN 201920636189U CN 209867681 U CN209867681 U CN 209867681U
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- frame
- swing arm
- lifting plate
- base
- positioning
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Abstract
The utility model relates to a frame positioner, including the moving mechanism that is used for the bearing frame, be used for fixing a position the second positioning mechanism of frame X axle direction and at least one location frame Y axle direction and Z axle direction, second positioning mechanism includes first base, lift portion and is used for fixing a position the first subassembly in pair of frame Y axle direction, the subassembly sets up in the lift portion in first pair, lift portion sets up on first base to can drive the first subassembly in pair and go up and down. The frame is conveyed to the positioning part through the moving mechanism, then the X-axis direction of the frame is positioned through the first positioning mechanism, and then the Y-axis direction and the Z-axis direction of the frame are positioned through the second positioning mechanism, so that the frame is accurately positioned, and the laser welding yield is greatly improved.
Description
Technical Field
The utility model relates to a frame welding technology field, especially a frame positioner.
Background
At present, the frame welding mode of large trucks is mainly manual stitch welding, and if the laser stitch welding mode is adopted, the labor cost can be greatly saved, the energy can be saved, the emission can be reduced, and the production efficiency can be improved. However, the laser welding has high requirements on the positioning accuracy of the vehicle frame, and if the vehicle frame is not accurately positioned, the laser is easy to deviate, so that poor welding is caused. As the frame of the truck is generally dozens of meters long and weighs about three tons, the manual positioning is very troublesome, and a frame positioning device is needed to accurately position the frame.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in that, a frame positioner that can accurate positioning frame is provided.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a frame positioner, including the moving mechanism that is used for bearing frame, the second positioning mechanism that is used for fixing a position the first positioning mechanism of frame X axle direction and at least one location frame Y axle direction and Z axle direction, second positioning mechanism includes first base, lift portion and is used for fixing a position the first subassembly in a pair of frame Y axle direction, the subassembly sets up in the lift portion in first in a pair, lift portion sets up on first base to can drive the first subassembly in a pair and go up and down.
Further, the first centering assembly comprises a first lifting plate, a centering cylinder, a left baffle, a right baffle and a transmission assembly, the left baffle and the right baffle are connected through the transmission assembly, the centering cylinder is installed on the first lifting plate and drives the left baffle and the right baffle to be close to or far away from each other synchronously, the first lifting plate is arranged on a lifting part, and the lifting part drives the first lifting plate to lift.
Further, the transmission assembly comprises a left rack, a right rack and a synchronizing gear, the synchronizing gear is meshed with the left rack and the right rack respectively, the moving directions of the left rack and the right rack are opposite, the left rack is connected with the left baffle, and the right rack is connected with the right baffle.
Furthermore, the left baffle and the right baffle are both provided with supporting wheels used for abutting against the frame.
Further, the second positioning mechanism further comprises a first swing arm and a first power portion, the first swing arm is rotatably mounted on the first base, the lifting portion is mounted on the first swing arm, and the first power portion can drive the first swing arm and the first centering assembly to rotate.
Furthermore, the first positioning mechanism comprises a second base, a lifter, a second lifting plate, a second swing arm, a second power part and a tensioning assembly for tensioning the frame, wherein one end of the second swing arm is rotatably mounted on the second lifting plate, the tensioning assembly is arranged at the free end of the second swing arm, and the second power part is arranged on the second lifting plate and can drive the second swing arm to rotate; the second lifting plate is arranged on the lifter, and the lifter is arranged on the second base and can drive the second lifting plate to lift.
Furthermore, the tensioning assembly comprises a tensioning cylinder and a pull rod, the pull rod is rotatably arranged on the second swing arm, and one end of the pull rod is connected with the tensioning cylinder; the tensioning cylinder is arranged on the second swing arm and can drive the pull rod to realize tensioning action.
Further, the first positioning mechanism comprises a hydraulic buffer, and the hydraulic buffer is installed on the second swing arm.
Furthermore, the frame positioning device further comprises a third positioning mechanism for positioning the frame in the Y-axis direction and the Z-axis direction, the third positioning mechanism comprises a third base, a third lifting plate, a lifting mechanism, a third power part, a slide rail and a second centering assembly for positioning the frame in the Y-axis direction, the second centering assembly is arranged on the third lifting plate, and the lifting mechanism is arranged on the third base and can drive the third lifting plate to lift; the third base is arranged on the sliding rail in a sliding mode, and the third power portion is arranged on the third base and can drive the third base to move along the sliding rail.
Further, the third positioning mechanism comprises a third swing arm and a fourth power part, the third swing arm is rotatably installed on the third lifting plate, and the fourth power part is installed on the third lifting plate and can drive the third swing arm and the second centering assembly to rotate.
Compared with the prior art, the utility model provides a pair of frame positioner transports the frame to location department through moving mechanism earlier, then through the X axle direction of first positioning mechanism location frame, and the Y axle direction and the Z axle direction of rethread second positioning mechanism location frame realize improving laser welding's yields to the accurate location of frame greatly.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a perspective view of a prior art vehicle frame;
FIG. 2 is a schematic view of the carriage of FIG. 1 positioned by a positioning device;
FIG. 3 is a schematic view of a portion of the frame alignment device of FIG. 2;
FIG. 4 is a schematic structural view of the second positioning mechanism of FIG. 3;
FIG. 5 is a schematic top view of the first centering assembly of FIG. 4;
fig. 6 is a schematic view of the first swing arm of fig. 4 rotated by 90 °;
FIG. 7 is a schematic structural view of the first positioning mechanism of FIG. 3;
fig. 8 is a schematic view of the second swing arm of fig. 7 rotated by 90 °;
fig. 9 is a schematic structural view of the third positioning mechanism in fig. 3.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the positioning device of the present invention is mainly used for positioning a vehicle frame, wherein the vehicle frame 1 comprises a main body 2, a longitudinal frame beam 3, a gooseneck 4 and a tail end 5. Particularly, the frame of the truck is generally ten meters long and weighs about three tons, and manual positioning is very troublesome.
As shown in fig. 2 to 4, the utility model provides a frame positioning device, including the moving mechanism 10 that is used for bearing frame 1, the second positioning mechanism 30 that is used for the first positioning mechanism 20 and at least one location frame Y axle orientation and the Z axle orientation of location frame X axle orientation. The second positioning mechanism 30 includes a first base 31, a lifting portion 32, and a first centering assembly 33 for positioning the Y-axis direction of the carriage, the first centering assembly 33 is disposed on the lifting portion 32, and the lifting portion 32 is disposed on the first base 31 and can drive the first centering assembly 33 to lift. Transport the frame to location department through moving mechanism 10 earlier, then through the X axle direction of first positioning mechanism 20 location frame, Y axle direction and the Z axle direction of rethread second positioning mechanism 30 location frame realize improving laser welding's yields greatly to frame accurate location.
In this embodiment, the moving mechanism 10 is a two-wheeled moving cart, which is mainly used to facilitate the transportation of the cart frame 1. The ground is provided with a guide rail 6 matched with the moving trolley. The elevating unit 32 is an elevating cylinder.
The first centering assembly 33 includes a first lifting plate 331, a centering cylinder 332, a left baffle 333, a right baffle 334, and a transmission assembly. The left baffle 333 and the right baffle 334 are connected through a transmission component, and the centering cylinder 332 is installed on the first lifting plate 331 and drives the left baffle 333 and the right baffle 334 to synchronously move close to or away from each other. The first lifting plate 331 is arranged on the lifting portion 32, and the lifting portion 32 drives the first lifting plate 331 to lift so as to adjust the height of the frame 1 and ensure the Z-direction positioning accuracy of the frame 1.
As shown in fig. 5, the transmission assembly includes a left rack 335, a right rack 336 and a synchronizing gear 337, and the synchronizing gear 337 is engaged with the left rack 335 and the right rack 336, respectively, so that the moving directions of the left rack 335 and the right rack 336 are opposite. The left rack 335 is connected with the left baffle 333, and the right rack 336 is connected with the right baffle 334, so that the left baffle 333 and the right baffle 334 can reversely and synchronously move. When the lifting device is used, the lifting part 32 drives the first lifting plate 331 to ascend, so that the left baffle plate 333 and the right baffle plate 334 are positioned between the two frame longitudinal beams 3, then the centering cylinder 332 drives the left baffle plate 333 to extend out, so that the left baffle plate 333 and the right baffle plate 334 are mutually far away, the two frame longitudinal beams 3 are completely unfolded from the inside to the outside, the central line of the frame 1 is always fixed, and the Y-direction positioning accuracy of the frame 1 can be guaranteed.
Because the left baffle 333, the right baffle 334 and the bracket 1 can generate relative movement, the left baffle 333 and the right baffle 334 are both provided with support wheels 338 for abutting against the frame. The lifting unit 32 drives the first lifting plate 331 to rise, so that the two sets of support wheels 338 support two frame carlings 3 respectively, and when the left baffle 333, the right baffle 334 and the bracket 1 move relatively, the frame carlings 3 slide on the support wheels 338, so that friction is greatly reduced, and smooth sliding is ensured.
To facilitate avoidance of the vehicle frame 1, the second positioning mechanism 30 includes a first swing arm 34 and a first power portion 35. During vertical state, there are two sets of spacing cylinder assembly promotion spacer pins and stretch out, and it is fixed with first swing arm 34, prevent that first swing arm 34 from receiving and falling down when great inclination carries. The first swing arm 34 is rotatably mounted on the first base 31, the lifting unit 32 is mounted on the first swing arm 34, and the first power unit 35 can drive the first swing arm 34 and the first centering assembly 33 to rotate. When the moving mechanism 10 carries the vehicle frame 1 to enter and exit the positioning station, the limit pin retracts, and the first power part 35 can drive the first swing arm 34 and the first centering assembly 33 to rotate 90 degrees, so that the first centering assembly 33 is far away from the vehicle frame 1, and the transportation of the vehicle frame 1 is prevented from being hindered (as shown in fig. 6).
In this embodiment, the first power unit 35 is a servo motor, and the first swing arm 34 is n-shaped and rotates around the Y axis. Since the vehicle body frame 1 is heavy, four lifting units 32 are provided, and the four lifting units 32 are mounted on the first swing arm 34 and drive the first lifting plate 331 to lift. The elevating unit 32 is an elevating cylinder.
As shown in fig. 7, the first positioning mechanism 20 includes a second base 21, a lifter 22, a second lifting plate 23, a second swing arm 24, a second power part 25, and a tensioning assembly 26 for tensioning the frame. One end of the second swing arm 24 is rotatably mounted on the second lifting plate 23, the tensioning assembly 26 is disposed at the free end of the second swing arm 24, and the second power portion 25 is disposed on the second lifting plate 23 and can drive the second swing arm 24 to rotate, specifically, about the Z-axis by 90 °. The second lifting plate 23 is arranged on the lifter 22, and the lifter 22 is arranged on the second base 21 and can drive the second lifting plate 23 to lift so as to adapt to the carriages with different heights.
Specifically, because the width of the frame is large, the number of the first positioning mechanisms 20 is two, and the frame 1 enters the positioning station from between the two first positioning mechanisms 20. When the vehicle frame needs to enter, the second power part 25 can drive the second swing arm 24 to rotate 90 degrees (as shown in fig. 8). The second power portion 25 is a cylinder.
In this embodiment, the tensioning assembly 26 includes a tensioning cylinder 261 and a pull rod 262, and the pull rod 262 is rotatably mounted on the second swing arm 24 and has one end connected to the tensioning cylinder 261. The tensioning cylinder 261 is disposed on the second swing arm 24, and can drive the pull rod 262 to perform tensioning action.
The first positioning mechanism 20 further comprises a hydraulic buffer 27 and a proximity switch 28, and the hydraulic buffer 27 and the proximity switch 28 are both mounted on the second swing arm 24. When the proximity switch 28 detects that the tail end 5 of the frame is attached to the swing arm 3 of the swing arm mechanism 3, the tensioning cylinder 261 drives the pull rod 262 to firmly hook the tail end 5 of the frame with the swing arm 3, thereby completing the positioning of the frame in the X direction. Wherein, the hydraulic buffer 27 mainly plays a role of buffering to avoid the collision between the frame and the second swing arm 24.
As shown in fig. 9, the vehicle frame positioning device further includes a third positioning mechanism 40 for positioning the Y-axis direction and the Z-axis direction of the vehicle frame, and the third positioning mechanism 40 includes a third base 41, a third lifting plate 42, a lifting mechanism 43, a third power portion 44, a slide rail 45, and a second centering assembly 46 for positioning the Y-axis direction of the vehicle frame. The second centering assembly 46 is disposed on the third lifting plate 42, and the lifting mechanism 43 is disposed on the third base 41 and can drive the third lifting plate 42 to lift and lower to adapt to the vehicle frames with different heights. The third base is slidably disposed on the slide rail 45, and the third power portion 44 is disposed on the third base, and can drive the third base 41 to move along the slide rail 45, so as to adapt to vehicle frames with different lengths.
Specifically, the lifting mechanisms 43 are screw rod lifters, which share four screw rod lifters and can jack up a relatively heavy frame. The third power part 44 is a servo motor, a gear is arranged on the servo motor, and a rack matched with the gear is arranged on the sliding rail 45, so that the third base 41 can move to adapt to frames with different lengths. In addition, the structure and function of the second centering component 46 is the same as the first centering component 33 and will not be described again here.
In the present embodiment, the third positioning mechanism 40 includes a third swing arm 47 and a fourth power unit 48, and the third swing arm 47 is rotatably mounted on the third lifting plate 42. The fourth power part 48 is installed on the third lifting plate 42 and can drive the third swing arm 47 and the second centering assembly 46 to rotate by 90 degrees, so that the vehicle frame can conveniently get in and out. The third power unit 44 is a servo motor and is connected to the third swing arm 47 through a speed reducer.
It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations should fall within the scope of the appended claims.
Claims (10)
1. The utility model provides a frame positioner, its characterized in that, is including the moving mechanism that is used for bearing frame, the second positioning mechanism that is used for fixing a position the first positioning mechanism of frame X axle direction and at least one location frame Y axle direction and Z axle direction, second positioning mechanism includes first base, lift portion and is used for fixing a position the first subassembly in pair of frame Y axle direction, the subassembly sets up in the lift portion in first pair, lift portion sets up on first base to can drive the first subassembly in pair and go up and down.
2. The frame positioning device according to claim 1, wherein the first centering assembly comprises a first lifting plate, a centering cylinder, a left baffle, a right baffle and a transmission assembly, the left baffle and the right baffle are connected through the transmission assembly, the centering cylinder is mounted on the first lifting plate and drives the left baffle and the right baffle to synchronously approach or separate from each other, the first lifting plate is disposed on a lifting portion, and the lifting portion drives the first lifting plate to lift.
3. The frame positioning device according to claim 2, wherein the transmission assembly comprises a left rack, a right rack and a synchronizing gear, the synchronizing gear is meshed with the left rack and the right rack respectively, so that the moving directions of the left rack and the right rack are opposite, the left rack is connected with the left baffle, and the right rack is connected with the right baffle.
4. The frame positioning device of claim 3, wherein the left and right fenders are each provided with a support wheel for abutting against the frame.
5. The frame positioning apparatus of any of claims 1-4, wherein the second positioning mechanism further comprises a first swing arm rotatably mounted on the first base and a first power portion mounted on the first swing arm, the first power portion driving the first swing arm and the first centering assembly to rotate.
6. The frame positioning device according to claim 1, wherein the first positioning mechanism comprises a second base, a lifter, a second lifting plate, a second swing arm, a second power part and a tensioning assembly for tensioning the frame, one end of the second swing arm is rotatably mounted on the second lifting plate, the tensioning assembly is arranged at the free end of the second swing arm, and the second power part is arranged on the second lifting plate and can drive the second swing arm to rotate; the second lifting plate is arranged on the lifter, and the lifter is arranged on the second base and can drive the second lifting plate to lift.
7. The frame positioning device of claim 6, wherein the tension assembly comprises a tension cylinder and a pull rod, the pull rod is rotatably mounted on the second swing arm, and one end of the pull rod is connected with the tension cylinder; the tensioning cylinder is arranged on the second swing arm and can drive the pull rod to realize tensioning action.
8. The frame positioning apparatus of claim 7, wherein the first positioning mechanism includes a hydraulic damper mounted on the second swing arm.
9. The frame positioning device according to claim 1, further comprising a third positioning mechanism for positioning the Y-axis direction and the Z-axis direction of the frame, wherein the third positioning mechanism comprises a third base, a third lifting plate, a lifting mechanism, a third power part, a slide rail, and a second centering assembly for positioning the Y-axis direction of the frame, the second centering assembly is disposed on the third lifting plate, and the lifting mechanism is disposed on the third base and can drive the third lifting plate to lift and lower; the third base is arranged on the sliding rail in a sliding mode, and the third power portion is arranged on the third base and can drive the third base to move along the sliding rail.
10. The frame positioning apparatus of claim 9, wherein the third positioning mechanism comprises a third swing arm rotatably mounted on the third lifting plate and a fourth power portion rotatably mounted on the third lifting plate and driving the third swing arm and the second centering assembly to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920636189.1U CN209867681U (en) | 2019-05-06 | 2019-05-06 | Vehicle frame positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920636189.1U CN209867681U (en) | 2019-05-06 | 2019-05-06 | Vehicle frame positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209867681U true CN209867681U (en) | 2019-12-31 |
Family
ID=68963934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920636189.1U Active CN209867681U (en) | 2019-05-06 | 2019-05-06 | Vehicle frame positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209867681U (en) |
-
2019
- 2019-05-06 CN CN201920636189.1U patent/CN209867681U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210907 Address after: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong Patentee after: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Patentee after: Nantong Han's Intelligent Equipment Technology Co.,Ltd. Address before: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Patentee before: HAN'S LASER SMART EQUIPMENT GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong Patentee after: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Patentee after: Jiangsu Han's Intelligent Welding Equipment Group Co., Ltd Address before: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Patentee before: Nantong Han's Intelligent Equipment Technology Co., Ltd |
|
| CP01 | Change in the name or title of a patent holder |