CN219358506U - Positioning and clamping device for frame welding positioner - Google Patents
Positioning and clamping device for frame welding positioner Download PDFInfo
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- CN219358506U CN219358506U CN202223350331.7U CN202223350331U CN219358506U CN 219358506 U CN219358506 U CN 219358506U CN 202223350331 U CN202223350331 U CN 202223350331U CN 219358506 U CN219358506 U CN 219358506U
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- servo motor
- clamping mechanism
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Abstract
The utility model discloses a positioning and clamping device for a frame welding positioner, which comprises a connecting frame and a connecting platform, wherein the connecting frame is respectively fixed at two ends of the connecting platform, the two sides of the connecting platform are symmetrically provided with first straight-line tracks, the positioning and clamping device also comprises a first transmission structure, a first positioning and clamping mechanism and a second positioning and clamping mechanism, the first positioning and clamping mechanism is arranged on the first straight-line tracks at the two sides of the connecting platform, the second positioning and clamping mechanism is fixed at the central position of the connecting platform, the first transmission structure penetrates through the bottom of the second positioning and clamping mechanism, and the two ends of the first transmission structure are fixed on the first positioning and clamping mechanism. The fixture solves the problem that the fixture of the welding positioner for the vehicle frame in the prior art can not meet the welding use requirements of various types and small batches of vehicle frames.
Description
Technical Field
The utility model relates to a frame welding positioner, in particular to a positioning and clamping device for the frame welding positioner.
Background
The frame is used as an important component of the hoisting machinery, and all welding seams on the frame are welded in the welding process of the frame, so that a positioner is used for overturning and shifting the frame structure, and the welding seams are adjusted to be suitable for welding. In the prior art, the automatic welding robot is matched with a turnover positioner to replace manual welding, so that automatic welding production is realized. The welding mode is an important link for connecting the frame and the positioner to realize automatic production, so that a specific tool is required to clamp the frame on the positioner, but the frames of different models have the problems of changeable forms and large size and weight difference, and the specific tool lacks flexibility and cannot meet the welding use requirements of frames of various models and small batches.
Disclosure of Invention
The utility model aims to: the utility model aims to provide a positioning and clamping device for a frame welding positioner, which can be used for fixing, automatically aligning and clamping frames of various models.
The technical scheme is as follows: in order to achieve the above purpose, the positioning and clamping device for the frame welding positioner comprises a connecting frame and a connecting platform, wherein the connecting frame is respectively fixed at two ends of the connecting platform, two sides of the connecting platform are symmetrically provided with first straight-line tracks, the positioning and clamping device also comprises a first transmission structure, a first positioning and clamping mechanism and a second positioning and clamping mechanism, the first positioning and clamping mechanism is arranged on the first straight-line tracks at two sides of the connecting platform, the second positioning and clamping mechanism is fixed at the central position of the connecting platform, the first transmission structure penetrates through the bottom of the second positioning and clamping mechanism, and two ends of the first transmission structure are fixed on the first positioning and clamping mechanism.
The first transmission structure comprises: the outer ends of the first transmission screw and the second transmission screw are respectively fixed on the first positioning clamping mechanisms at two sides of the connecting frame, the inner ends of the first transmission screw and the second transmission screw are fixed at two ends of the first servo motor, and the first servo motor is fixed on the connecting frame.
The first positioning and clamping mechanism comprises: the first support, first support both sides are equipped with second straight line track, clamping structure, are equipped with the direction location axle on the second straight line track, and direction location axle upper surface is fixed with first supporting platform, is equipped with second transmission structure between the direction location axle, still is equipped with the compression electric jar on the clamping structure.
The second transmission structure comprises: the outer ends of the third transmission screw rod and the fourth transmission screw rod are respectively fixed on the guiding positioning shafts on two sides of the first bracket, the inner ends of the third transmission screw rod and the fourth transmission screw rod are fixed at two ends of the second servo motor, and the second servo motor is fixed on the first bracket.
The center position of the first bracket is provided with a third linear guide rail perpendicular to the direction of the second linear rail, the third linear guide rail is provided with a positioning platform, and a third transmission structure is arranged below the positioning platform.
The third transmission structure comprises: and one end of the fifth transmission screw is provided with a third servo motor, the other end of the fifth transmission screw is fixed on the support of the third linear guide rail, and the third servo motor is fixed at the other end of the support of the third linear guide rail.
The second positioning and clamping mechanism comprises: the second support, second support both sides are equipped with the third straight line track, are equipped with the second supporting platform on the third straight line track, all are equipped with two sets of location clamp splice on the second supporting platform of both sides, and the lower surface is equipped with fourth transmission structure between the second supporting platform.
The fourth transmission structure comprises: the outer ends of the sixth transmission screw rod and the seventh transmission screw rod are respectively fixed on the lower surfaces of the second supporting platforms at two sides, the inner ends of the sixth transmission screw rod and the seventh transmission screw rod are fixed at two ends of the fourth servo motor, and the fourth servo motor is fixed on the second bracket.
The beneficial effects are that: the utility model has the following advantages: 1. the first positioning and clamping mechanisms which are symmetrically arranged and the second positioning and clamping mechanisms which are arranged in the middle are adopted, so that the clamping device is applicable to more frame workpieces, can meet the clamping of the same frame workpiece in one-pass and two-pass states, has higher flexibility, reduces the number of tool clamps, and reduces the management and storage difficulty of the tool clamps;
2. the servo motor drives the transmission screw rod to enable the clamping mechanism to move along the linear track, and meanwhile, the pressing electric cylinder is used for pressing and fixing the frame workpiece, so that the centering alignment and clamping work at any position can be automatically adjusted, and the problem of manual adjustment is solved;
3. the corresponding centering and clamping positions can be preset according to the structure and the size of the clamped frame workpiece, and when the clamping device is in actual use, the servo motor and the program setting of the pressing electric cylinder are directly selected, so that the same workpiece is avoided, the positions are repeatedly adjusted, and the degree of automation is high.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a first positioning and clamping mechanism according to the present utility model;
FIG. 3 is a schematic view of a second positioning and clamping mechanism according to the present utility model;
fig. 4 is a schematic diagram of the device for centering and clamping a frame.
Detailed Description
The technical scheme of the present utility model will be described in detail with reference to the following examples and the accompanying drawings.
As shown in fig. 1, the positioning and clamping device for the frame welding positioner comprises a connecting frame 1, a connecting platform 2, a first transmission structure, a first positioning and clamping mechanism 4 and a second positioning and clamping mechanism 5, wherein the connecting frame 1 is respectively fixed at two ends of the connecting platform 2, the two sides of the connecting platform 2 are symmetrically provided with first linear rails 3, the first positioning and clamping mechanism 4 is arranged on the first linear rails 3 at two sides of the connecting platform 2, the second positioning and clamping mechanism 5 is fixed at the central position of the connecting platform 2, the first transmission structure penetrates through the bottom of the second positioning and clamping mechanism 5, and the two ends of the first positioning and clamping mechanism 4 are fixed on the first positioning and clamping mechanism 4.
According to the preset program of different model frame structural members, the first transmission structure is provided with the first positioning and clamping mechanism 4 to linearly move along the first linear track 3, and meanwhile, the first positioning and clamping mechanism 4 and the second positioning and clamping mechanism 5 coordinate to act, so that the position changing machine is connected with the frame and positioned and clamped, and the frame is driven to perform overturning action to cooperate with welding.
The first transmission structure includes: the outer ends of the first transmission lead screw 6 and the second transmission lead screw 7 are respectively fixed on the first positioning clamping mechanisms 4 on two sides of the connecting frame 1, the inner ends of the first transmission lead screw 6 and the second transmission lead screw 7 are fixed on two ends of the first servo motor 8, and the first servo motor 7 is fixed on the connecting frame 1.
As shown in fig. 2, the first positioning and clamping mechanism 4 includes: the first support 41, the first support 41 both sides are equipped with second straight line track 42, clamping structure 43, are equipped with the direction location axle 421 on the second straight line track 42, are fixed with first supporting platform 422 to location axle 421 upper surface, are equipped with the second transmission structure between the direction location axle 421, still are equipped with the clamp cylinder 431 on the clamping structure 43.
The second transmission structure comprises: the outer ends of the third transmission screw 423 and the fourth transmission screw 424 are respectively fixed on the guiding and positioning shafts 421 at two sides of the bracket 41, the inner ends of the third transmission screw 423 and the fourth transmission screw 424 are fixed at two ends of the second servo motor 425, and the second servo motor 425 is fixed on the first bracket 41.
The second servo motor 425 drives the third transmission screw 423 and the fourth transmission screw 424 to drive the guiding and positioning shaft 421 to linearly move along the second linear rail 42 so as to adjust the position of the positioning frame, and the pressing electric cylinder 431 drives the clamping structure 43 to press the frame.
A third linear guide rail 44 is arranged in the direction perpendicular to the second linear rail 42 in the center of the bracket 41, a positioning platform 441 is arranged on the third linear guide rail 44, and a third transmission structure is arranged below the positioning platform 441.
The third transmission structure includes: the fifth driving screw 442, one end of the fifth driving screw 442 is provided with a third servo motor 443, the other end is fixed on the bracket of the third linear guide 44, and the third servo motor 443 is fixed on the other end of the bracket of the third linear guide 44.
The third servo motor 443 drives the fifth driving screw 442 to drive the positioning platform 441 to move linearly along the third linear guide 44.
As shown in fig. 3, the second positioning and clamping mechanism 5 includes: the second support 51, the second support 51 both sides are equipped with the third straight line track 52, are equipped with the second supporting platform 521 on the third straight line track 52, are equipped with two sets of location clamp splice 522 on both sides second supporting platform 521, and the lower surface is equipped with fourth transmission structure between the second supporting platform 521.
The fourth transmission structure includes: the outer ends of the sixth transmission screw 523 and the seventh transmission screw 524 are respectively fixed on the lower surfaces of the second supporting platforms 521 at the two sides, the inner ends of the sixth transmission screw 523 and the seventh transmission screw 524 are fixed at the two ends of the fourth servo motor 525, and the fourth servo motor 525 is fixed on the second bracket 51.
As shown in fig. 4, the device can establish a database of the positioning and clamping positions of the sizes of different frame structural members through data stored by a servo motor and a pressing electric cylinder 431, an operator selects a corresponding positioning and clamping position program according to the model of the frame structural member, one-key operation is performed, each mechanism is controlled by the servo motor to move to a preset position along a linear guide rail, a safety space of the frame structural member in a positioner is reserved, the first positioning and clamping mechanism 4 and the second positioning and clamping mechanism 5 are all opened to the maximum positions, the frame structural member is hoisted in the device, one-key operation is performed, the alignment frame structural member is regulated through a guide positioning shaft 421, a positioning platform 441 and a positioning clamping block 522, and after the frame structural member is driven to move to the preset position, each pressing mechanism is clamped and fixed. The positioner can turn over along with the frame structure, and the cooperation welding is welded, and after the welding is finished, the positioner resets, and location closing device reverse action leaves the frame structure and hangs away the safe distance of device, and the frame structure withdraws from, and whole location closing device finishes work, and this device can dispose pressure sensor, detects the pinch point pressure state, ensures that each pinch point compresses tightly, avoids the potential safety hazard.
Claims (8)
1. A positioning and clamping device for frame welding positioner, including link (1), connection platform (2), link (1) are fixed respectively at the both ends of connection platform (2), and connection platform (2) bilateral symmetry is equipped with first straight line track (3), its characterized in that: still include first transmission structure, first location clamping mechanism (4), second location clamping mechanism (5), first location clamping mechanism (4) are installed on first straight line track (3) of connecting platform (2) both sides, and second location clamping mechanism (5) are fixed in the central point of connecting platform (2), and first transmission structure passes the bottom of second location clamping mechanism (5), and both ends are fixed on first location clamping mechanism (4).
2. The positioning and clamping device for a frame welding positioner according to claim 1, wherein: the first transmission structure comprises: the device comprises a first transmission screw (6), a second transmission screw (7) and a first servo motor (8), wherein the outer ends of the first transmission screw (6) and the second transmission screw (7) are respectively fixed on first positioning clamping mechanisms (4) on two sides of a connecting frame (1), the inner ends of the first transmission screw and the second transmission screw are fixed on two ends of the first servo motor (8), and the first servo motor (8) is fixed on the connecting frame (1).
3. The positioning and clamping device for a frame welding positioner according to claim 1, wherein: the first positioning and clamping mechanism (4) comprises: the device comprises a first support (41), second linear rails (42) and clamping structures (43) are arranged on two sides of the first support (41), guide positioning shafts (421) are arranged on the second linear rails (42), first supporting platforms (422) are fixed on the upper surfaces of the guide positioning shafts (421), second transmission structures are arranged between the guide positioning shafts (421), and pressing electric cylinders (431) are further arranged on the clamping structures (43).
4. A positioning and clamping device for a frame welding positioner according to claim 3, wherein: the second transmission structure comprises: the outer ends of the third transmission screw rod (423) and the fourth transmission screw rod (424) are respectively fixed on guide positioning shafts (421) on two sides of the first bracket (41), the inner ends of the third transmission screw rod (423) and the fourth transmission screw rod (424) are fixed on two ends of the second servo motor (425), and the second servo motor (425) is fixed on the first bracket (41).
5. A positioning and clamping device for a frame welding positioner according to claim 3, wherein: the center position of the first bracket (41) is provided with a third linear guide rail (44) perpendicular to the direction of the second linear rail (42), the third linear guide rail (44) is provided with a positioning platform (441), and a third transmission structure is arranged below the positioning platform (441).
6. The positioning and clamping device for a frame welding positioner according to claim 5, wherein: the third transmission structure comprises: and one end of the fifth transmission screw (442) is provided with a third servo motor (443), the other end of the fifth transmission screw (442) is fixed on the bracket of the third linear guide rail (44), and the third servo motor (443) is fixed at the other end of the bracket of the third linear guide rail (44).
7. The positioning and clamping device for a frame welding positioner according to claim 1, wherein: the second positioning and clamping mechanism (5) comprises: the second support (51), second support (51) both sides are equipped with third straight line track (52), are equipped with second supporting platform (521) on third straight line track (52), all are equipped with two sets of location clamp splice (522) on both sides second supporting platform (521), and the lower surface is equipped with fourth transmission structure between second supporting platform (521).
8. The positioning and clamping device for a frame welding positioner according to claim 7, wherein: the fourth transmission structure comprises: the six transmission lead screw (523), the seventh transmission lead screw (524) and the fourth servo motor (525), wherein the outer ends of the six transmission lead screw (523) and the seventh transmission lead screw (524) are respectively fixed on the lower surfaces of the second supporting platforms (521) on the two sides, the inner ends of the six transmission lead screw and the seventh transmission lead screw are fixed on the two ends of the fourth servo motor (525), and the fourth servo motor (525) is fixed on the second bracket (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223350331.7U CN219358506U (en) | 2022-12-14 | 2022-12-14 | Positioning and clamping device for frame welding positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223350331.7U CN219358506U (en) | 2022-12-14 | 2022-12-14 | Positioning and clamping device for frame welding positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219358506U true CN219358506U (en) | 2023-07-18 |
Family
ID=87146348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223350331.7U Active CN219358506U (en) | 2022-12-14 | 2022-12-14 | Positioning and clamping device for frame welding positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219358506U (en) |
-
2022
- 2022-12-14 CN CN202223350331.7U patent/CN219358506U/en active Active
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