CN110842447B - Positioning fixture of cavity plate structure - Google Patents
Positioning fixture of cavity plate structure Download PDFInfo
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- CN110842447B CN110842447B CN201911180823.6A CN201911180823A CN110842447B CN 110842447 B CN110842447 B CN 110842447B CN 201911180823 A CN201911180823 A CN 201911180823A CN 110842447 B CN110842447 B CN 110842447B
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- cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a positioning fixture of a cavity plate structure, which comprises a supporting base and a multi-stage positioning clamping mechanism arranged on the supporting base, wherein the supporting base is provided with a plurality of positioning holes; the supporting base comprises a first supporting seat and a second supporting seat arranged at an interval with the first supporting seat, and the second supporting seat is used for clamping a plate beam structure with a cavity; multistage location fixture locates including locating one-level rotational positioning clamping structure on the first supporting seat second grade lift location clamping structure on the one-level rotational positioning clamping structure and locating tertiary rotational positioning clamping structure on the second grade lift location clamping structure, tertiary rotational positioning clamping structure be used for the centre gripping overlap joint board and with the second supporting seat corresponds the cooperation. The invention aims to solve the problems that in the prior art, the cavity plate structure is difficult to position, the matching precision is difficult to ensure, and the product precision is influenced.
Description
Technical Field
The invention relates to the technical field of clamps, in particular to a positioning clamp of a cavity plate structure.
Background
Some typical hollow cavity plate structures exist in the white body structure of the automobile, such as a structure formed by suspending a lap plate inside a U-shaped beam. When the lap plate is welded to the inside (inner cavity) of the U-shaped beam, it needs to be positioned first. However, the cavity plate structure is difficult to position, and the matching precision is difficult to ensure, so that the product precision is influenced.
Disclosure of Invention
Based on the positioning fixture, the invention provides a positioning fixture of a cavity plate structure, and aims to solve the problems that the cavity plate structure is difficult to position, the matching precision is difficult to ensure and the product precision is influenced in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a positioning clamp of a cavity plate structure comprises a supporting base and a multi-stage positioning clamping mechanism arranged on the supporting base;
the supporting base comprises a first supporting seat and a second supporting seat arranged at an interval with the first supporting seat, and the second supporting seat is used for clamping a plate beam structure with a cavity;
multistage location fixture locates including locating one-level rotational positioning clamping structure on the first supporting seat second grade lift location clamping structure on the one-level rotational positioning clamping structure and locating tertiary rotational positioning clamping structure on the second grade lift location clamping structure, tertiary rotational positioning clamping structure be used for the centre gripping overlap joint board and with the second supporting seat corresponds the cooperation.
Optionally, the primary rotary positioning and clamping structure comprises a primary rotary driving cylinder arranged on the first supporting seat, and a primary positioning plate structure hinged to the primary rotary driving cylinder;
the secondary lifting positioning clamping structure comprises a secondary lifting driving cylinder arranged on the primary positioning plate structure and a secondary positioning plate structure connected with the secondary lifting driving cylinder;
tertiary rotational positioning clamping structure is including locating the structural tertiary rotation of second grade locating plate drives actuating cylinder, and connect in the cavity board clamping structure of tertiary rotation drive actuating cylinder, cavity board clamping structure with second grade locating plate structure cooperation is in order to be used for the centre gripping lapping plate.
Optionally, the one-level locating plate structure includes one-level locating plate main part, locate one-level locating plate main part one end and with one-level rotation drives the articulated one-level articulated slab of actuating cylinder, and locate one-level locating plate main part other end and with the second grade goes up and down to drive the second grade cylinder fixed plate that actuating cylinder is connected.
Optionally, first supporting seat includes the first base body, and locates the one-level cylinder fixing base at first base body top, the one-level rotation drives actuating cylinder and locates the side of one-level cylinder fixing base, just the top of one-level cylinder fixing base with the bottom of one-level locating plate main part corresponds the cooperation.
Optionally, the second-stage positioning plate structure comprises a second-stage positioning plate main body connected with the second-stage lifting driving cylinder, a third-stage cylinder fixing plate arranged at the end of the second-stage positioning plate main body and connected with the third-stage rotating driving cylinder, and a cavity plate positioning structure protruding from the bottom of the third-stage cylinder fixing plate;
the cavity plate clamping structure comprises a cavity plate clamping block hinged with the second-stage positioning plate main body, one end of the cavity plate clamping block is hinged with the third-stage rotation driving cylinder, and the other end of the cavity plate clamping block is correspondingly matched with the cavity plate positioning structure to be used for clamping the lapping plate.
Optionally, the multistage positioning and clamping mechanism includes one of the three-stage cylinder fixing plates respectively disposed at two ends of the bottom of the two-stage positioning plate main body, each of the three-stage cylinder fixing plates is correspondingly provided with one of the three-stage rotational positioning and clamping structure and one of the cavity plate positioning structure, and the cavity plate clamping block of each of the three-stage rotational positioning and clamping structure is correspondingly matched with the cavity plate positioning structure.
Optionally, the cavity plate positioning structure includes a cavity plate positioning block protruding from the bottom of the third-stage cylinder fixing plate, and a cavity plate positioning pin protruding from the cavity plate positioning block, and the cavity plate positioning pin is correspondingly matched with the cavity plate clamping block.
Optionally, the first-level positioning plate structure comprises a second-level positioning limiting block protruding from the second-level cylinder fixing plate and extending to the lower portion of the bottom of the second-level positioning plate main body, and a second-level positioning limiting structure arranged at the bottom of the second-level positioning plate main body, wherein the second-level positioning limiting structure and the second-level positioning limiting block are matched with each other.
Optionally, the multistage positioning and clamping mechanism comprises a first beam plate limiting block arranged at the bottom of the second-stage positioning plate main body and a second beam plate limiting block arranged at the bottom of the third-stage cylinder fixing plate, wherein the first beam plate limiting block and the second beam plate limiting block are respectively limited on two sides of the top of the plate beam structure with the cavity.
Optionally, the second support seat includes a second base body, and a plate beam clamping block disposed at a top of the second base body, the plate beam clamping block being configured to clamp a bottom of the plate beam structure having the cavity.
In the technical scheme provided by the invention, the second supporting seat of the supporting base can support and clamp the plate-girder structure (such as a U-shaped girder) from the bottom of the plate-girder structure with a cavity structure, and the three-level rotary positioning and clamping structure of the multi-level positioning and clamping mechanism is utilized to clamp the lapping plate, so that the lapping plate is kept in the cavity of the plate-girder structure, the positioning of the lapping plate is realized, the lapping plate is conveniently welded at the cavity of the plate-girder structure, and the problem of difficult positioning of the cavity-girder structure in the prior art can be solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a three-dimensional structure of a positioning fixture (for clamping a lap plate and a plate-beam structure) of a cavity plate structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the three-dimensional structure of the positioning fixture (when opened) of the cavity plate structure according to the embodiment of the present invention;
FIG. 3 is a schematic diagram of a three-dimensional structure of a first supporting seat of a positioning fixture of a cavity plate structure according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a three-dimensional structure of a primary rotation driving cylinder of a positioning fixture of a cavity plate structure according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a three-dimensional structure of a first-stage positioning plate structure of a positioning fixture of a cavity plate structure according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a three-dimensional structure of a two-stage lifting driving cylinder of a positioning fixture of a cavity plate structure according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a three-dimensional structure of a two-stage positioning plate structure of a positioning fixture of a cavity plate structure according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a three-stage rotation driving cylinder of a positioning fixture with a cavity plate structure according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a three-dimensional structure of a cavity plate clamping structure of a positioning jig of a cavity plate structure according to an embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
20 | Lap |
| 100 | First supporting |
110 | |
| 120 | First-level |
130 | First one-stage |
| 200 | Second supporting |
210 | |
| 220 | Plate |
300 | One-stage rotary positioning and |
| 310 | One-stage |
312 | Second-level |
| 320 | One-level |
322 | First-level positioning plate |
| 324 | First-level hinged |
326 | Secondary |
| 328 | Two-stage |
400 | Two-stage lifting |
| 410 | Two-stage |
412 | Fixing plate of |
| 420 | Two-stage |
421 | Two-stage positioning plate |
| 422 | Three-stage |
423 | Cavity |
| 424 | First beam |
425 | Second beam |
| 426 | First cavity |
427 | Secondary positioning |
| 500 | Three-stage rotary positioning and |
510 | Three-stage rotary driving cylinder |
| 520 | Cavity |
522 | Cavity |
| 524 | Second cavity |
526 | Hinged transition plate |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, back, top and bottom … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a positioning fixture with a cavity plate structure, which includes a supporting base and a multi-stage positioning and clamping mechanism disposed on the supporting base. The supporting base can provide support for the multistage positioning and clamping mechanism, and can clamp a plate-beam structure (such as a U-shaped beam) with a cavity, and the multistage positioning and clamping mechanism can clamp and position a lap plate to be welded at the cavity position of the plate-beam structure, so that the lap plate is conveniently welded in the cavity of the plate-beam structure to form the cavity plate structure.
Specifically, the supporting base may include a first supporting seat 100, and a second supporting seat 200 spaced apart from the first supporting seat 100, the second supporting seat 200 being used for clamping the plate girder structure 10 having the cavity, and the multi-stage positioning clamping mechanism being disposed on the first supporting seat 100 for clamping the bridging plate 20, so that the bridging plate 20 is positioned at the cavity position of the plate girder structure 10. Furthermore, by separately providing the support bases as the first support seat 100 and the second support seat 200, the distance between the multi-stage positioning clamping mechanism and the second support seat 200 is easily pulled, so that the lap plate 20 is clamped and moved into the cavity of the plate girder structure 10.
Moreover, the multi-stage positioning and clamping mechanism may include a first-stage rotating and positioning and clamping structure 300 disposed on the first supporting seat 100, a second-stage lifting and positioning and clamping structure 400 disposed on the first-stage rotating and positioning and clamping structure 300, and a third-stage rotating and positioning and clamping structure 500 disposed on the second-stage lifting and positioning and clamping structure 400, wherein the third-stage rotating and positioning and clamping structure 500 is used for clamping the strap 20 and is correspondingly matched with the second supporting seat 200. The primary rotational positioning clamping structure 300 can perform rotational movement positioning on the secondary lifting positioning clamping structure 400, the secondary lifting positioning clamping structure 400 can perform further lifting movement positioning on the tertiary rotational positioning clamping structure 500, and the tertiary rotational positioning clamping structure 500 can clamp and move positioning the lapping plate 20 to clamp and move the lapping plate 20 into the cavity of the plate-girder structure 10 and position the lapping plate. Like this, can support the centre gripping from the plate girder structure 10 (like U type roof beam) bottom that has the cavity structure through the second supporting seat 200 that supports the base to utilize multistage location fixture's tertiary rotational positioning clamping structure 500 to grasp lapping plate 20, make lapping plate 20 keep in plate girder structure 10's cavity, in order to realize the location to lapping plate 20, conveniently weld lapping plate 20 in plate girder structure 10's cavity department, can overcome the difficult problem of cavity plate structure location in the prior art.
Further, as shown in fig. 2 to 5, the primary rotational positioning and clamping structure 300 may include a primary rotational driving cylinder 310 disposed on the first supporting base 100, and a primary positioning plate structure 320 hinged to the primary rotational driving cylinder 310. It can drive one-level locating plate structure 320 and rotate to drive through one-level rotation drive actuating cylinder 310, thereby drive second grade lift location clamping structure 400 and tertiary rotational positioning clamping structure 500 of locating on one-level locating plate structure 320 and take place to rotate, in order to realize driving the lapping plate 20 of centre gripping on tertiary rotational positioning clamping structure 500 and rotate, so that lapping plate 20 removes the position department of being close to second supporting seat 200 from the position of keeping away from second supporting seat 200, with the cavity of the plate girder construction 10 of centre gripping on with second supporting seat 200 correspond.
Furthermore, as shown in fig. 2 to 4, the first supporting base 100 may include a first base body 110 and a primary cylinder fixing base 120 disposed on the top of the first base body 110, and the primary rotation driving cylinder 310 is disposed on the primary cylinder fixing base 120. The first base body 110 can provide support for the whole multi-stage positioning and clamping mechanism, and the first-stage cylinder fixing seat 120 can provide a mounting base for the first-stage rotary driving cylinder 310. Moreover, the first-level rotation driving cylinder 310 is disposed on the side of the first-level cylinder fixing seat 120, and the top of the first-level cylinder fixing seat 120 is correspondingly matched with the bottom of the first-level positioning plate structure 320. Drive the outside of actuating cylinder 310 setting at one-level fixing base 120 through rotating one-level, can suitably reduce the mounting height that the one-level rotation drove actuating cylinder 310, and the top that combines one-level cylinder fixing base 120 corresponds with the bottom of one-level locating plate structure 320, can carry on spacingly to one-level locating plate structure 320 through the top of one-level cylinder fixing base 120, avoid one-level locating plate structure 320 and second grade lift location clamping structure 400, tertiary rotational positioning clamping structure 400 rotates excessively, and make the lapping plate 20 of tertiary rotational positioning clamping structure 500 centre gripping misaligned with the slab beam structure 10 of second supporting seat 200 centre gripping. In addition, a first primary positioning limiting block 130 can be arranged at the top of the primary cylinder fixing seat, a second primary positioning limiting block 312 can be arranged at the outer side of the primary rotation driving cylinder 310, the first primary positioning limiting block 130 and the second primary positioning limiting block 312 are respectively arranged at two sides of the primary positioning plate structure 320, and the primary positioning plate structure 320 can be limited from two sides respectively. In this embodiment, the first base 110 can be an H-shaped steel base, and the first-stage cylinder holder 120 can be an L-shaped steel base.
Furthermore, as shown in fig. 5, the first positioning plate structure 320 may include a first positioning plate main body 322, a first hinge plate 324 disposed at one end of the first positioning plate main body 322 and hinged to the first rotation driving cylinder 310, and a second cylinder fixing plate 326 disposed at the other end of the first positioning plate main body 322 and connected to the second elevation positioning clamping structure 400. The first-level hinge plate structure 320 can be hinged on the first-level rotation driving cylinder 310 through the first-level hinge plate 324, and the second-level lifting positioning clamping structure 400 can be fixed on the first-level positioning plate structure 320 through the second-level cylinder fixing plate 326, so that the first-level lifting positioning clamping structure 320 is driven to rotate by the first-level rotation driving cylinder 310, and the second-level lifting positioning clamping structure 400 is driven to rotate. Moreover, the bottom of the first-stage positioning plate main body 320 corresponds to the first primary positioning limiting block 130 at the top of the first-stage cylinder fixing seat 120, so that the first supporting seat 100 can limit the first-stage positioning plate main body 322. In addition, in this embodiment, the first-stage hinge plate 324 may be a U-shaped plate, and may be disposed on both sides of the first-stage rotation driving cylinder 310, so that the hinge connection with the first-stage rotation driving cylinder 310 is more stable and reliable.
In addition, as shown in fig. 6 to 7, the second-stage lifting/positioning clamping structure 400 may include a second-stage lifting/driving cylinder 410 disposed on the second-stage cylinder fixing plate 326 of the first-stage positioning plate structure 320, and a second-stage positioning plate structure 420 connected to the second-stage lifting/driving cylinder 410. The second-level positioning plate structure 420 can be driven to move up and down (at the cavity position of the plate-beam structure) by the second-level lifting driving cylinder 410, so that the third-level rotational positioning clamping structure 500 arranged on the second-level positioning plate structure 420 is close to the second supporting seat 200, and the lapping plate 20 clamped by the third-level rotational positioning clamping structure 500 is close to a preset position in the cavity of the plate-beam structure 10 clamped on the second supporting seat 200, so that the plate-beam structure 10 and the lapping plate 20 can be welded in the subsequent process. Moreover, the piston rod end of the secondary lifting driving cylinder 410 is further provided with a positioning plate fixing plate 412, and the secondary positioning plate structure 420 is fixed on the positioning plate fixing plate 412. Further, as shown in fig. 8 to 9, the above-mentioned tertiary rotary positioning and clamping structure 500 may include a tertiary rotary driving cylinder 510 provided on the secondary positioning plate structure 420, and a cavity plate clamping structure 520 connected to the tertiary rotary driving cylinder 510, the cavity plate clamping structure 520 cooperating with the secondary positioning plate structure 420 for clamping the strap plate 20. The third-level rotation driving cylinder 510 can drive the cavity plate clamping structure 520 to rotate, and can clamp the lapping plate 20 by matching with the second-level positioning plate structure 420. In addition, the lap plate 20 clamped by the cavity plate clamping structure 520 can be moved to the cavity position of the plate girder structure 10 by the secondary elevating driving cylinder 410.
Specifically, the second-stage positioning plate structure 420 may include a second-stage positioning plate main body 421 connected to the second-stage lifting driving cylinder 410, a third-stage cylinder fixing plate 422 disposed at an end of the second-stage positioning plate main body 422 and connected to the third-stage rotating driving cylinder 510, and a cavity plate positioning structure 423 protrudingly disposed at a bottom of the third-stage cylinder fixing plate 422. Furthermore, the cavity plate clamping structure 520 may include a cavity plate clamping block 522 hinged to the second positioning plate main body 422, one end of the cavity plate clamping block 522 is hinged to the third-stage rotation driving cylinder 510, and the other end of the cavity plate clamping block 522 is correspondingly matched to the cavity plate positioning structure 423 for clamping the lapping plate 20. The secondary lifting driving cylinder 420 can drive the secondary positioning plate main body 421 to lift so as to drive the tertiary cylinder fixing plate 422 and the tertiary rotary positioning clamping structure 423 to lift; and the three-stage rotation driving cylinder 510 can drive the cavity plate clamping block 522 to rotate, and can clamp and fix the lapping plate 20 by matching with the cavity plate positioning structure 423. Moreover, in order to facilitate the hinging of the cavity plate clamping block 522, a first cavity plate hinging seat 426 may be further disposed on the second-stage positioning plate main body 421, and a second cavity plate hinging seat 524 may be further disposed at the end of the piston rod of the third-stage rotation driving cylinder 510, so as to hinge the middle part of the cavity plate clamping block 522 on the first cavity plate hinging seat 426 through a hinging transition plate 526, and hinge one end of the cavity plate clamping block 522 on the second cavity plate hinging seat 524, and so as to correspondingly match the other end of the cavity plate clamping block 522 with the cavity plate positioning structure 423 to clamp the lapping plate 20.
Moreover, the cavity plate positioning structure 423 may include a cavity plate positioning block protruding from the bottom of the third-stage cylinder fixing plate 422, and a cavity plate positioning pin protruding from the cavity plate positioning block, and the cavity plate positioning pin is correspondingly engaged with the cavity plate clamping block 522. A clamping gap may be formed between the cavity plate alignment pin and the cavity plate clamping block 522 to clamp the strap 20 in place. Also, the cavity plate holding block 522 is rotated by the three-stage rotation driving cylinder 510, and can be rotated to the lower side of the cavity plate positioning pin to lift and position the cavity plate positioning pin from the bottom of the strap plate 20, and the cavity plate positioning pin can be abutted against the top of the strap plate 20, so that the strap plate 20 can be held and fixed from the top and the bottom. And the extension length of the cavity plate positioning pin can be adjusted to meet different clamping requirements.
Moreover, in some embodiments, the multi-stage positioning and clamping mechanism may comprise a three-stage rotary positioning and clamping structure 500 disposed on the second positioning plate structure 420. The clamping and positioning of the lapping plate 20 can be performed by a three-stage rotary positioning and clamping structure 500.
In addition, in other embodiments, the multi-stage positioning and clamping mechanism may comprise two three-stage rotary positioning and clamping structures 500 disposed on the second positioning plate structure 420. That is, the multi-stage positioning and clamping mechanism may include a three-stage cylinder fixing plate 422 respectively disposed at two ends of the bottom of the two-stage positioning plate main body 421, a three-stage rotational positioning and clamping structure 500 and a cavity plate positioning structure 423 are correspondingly disposed on each three-stage cylinder fixing plate 422, and the cavity plate clamping block 522 of the three-stage rotational positioning and clamping structure 500 at each end is correspondingly matched with the cavity plate positioning structure 423. Through respectively setting up a tertiary rotational positioning clamping structure 500 at the both ends of second grade locating plate structure 420, can follow both ends and carry out the centre gripping location to lapping plate 20, more reliable and more stable. Moreover, the three-level rotating positioning clamping structures 500 at the two ends can be arranged in a staggered mode, staggered clamping can be conducted on the lapping plate 20, stress is more uniform, and clamping on the lapping plate 20 is more stable and reliable.
In addition, in other embodiments, the multi-stage positioning and clamping mechanism may include three or more than three-stage rotating positioning and clamping structures 500 disposed on the second positioning plate structure 420. Namely, the lapping plate 20 can be clamped and positioned by a plurality of three-stage rotary positioning clamping structures 500.
In addition, the first-stage positioning plate structure 320 includes a second-stage positioning limiting block 328 protruding from the second-stage cylinder fixing plate 326 and extending to the bottom of the second-stage positioning plate main body 322, and a second-stage positioning limiting structure 427 disposed at the bottom of the second-stage positioning plate main body 422, wherein the second-stage positioning limiting structure 427 is matched with the second-stage positioning limiting block 328. Secondary location limit structure 427 and secondary location stopper 328 mutually support, can carry on spacingly to the elevating position of secondary positioning board main part 422, avoid secondary positioning board main part 422 to descend and hang down excessively to lead to tertiary rotational positioning clamping structure 500 and lapping plate 20 to descend and hang down excessively, and the lapping plate 20 location is inaccurate, even cause lapping plate 20 and plate girder structure 10 to bump and cause the damage. Moreover, the second-stage positioning limiting structure 427 can include a second-stage plate limiting block disposed at the bottom of the second-stage positioning plate main body 421 and a second-stage plate limiting pin protruding from the second-stage plate limiting block, and the second-stage plate limiting pin can be opposite to the portion of the second-stage positioning limiting block 328 located at the bottom of the second-stage positioning plate main body 421. Moreover, in this embodiment, the second-level positioning limiting block 328 may be an L-shaped limiting block, so as to facilitate the second-level plate limiting pin to correspond to the protruding end of the L-shaped limiting block.
In addition, the second supporting base 200 may include a second base body 210, and a plate girder clamping block 220 disposed at the top of the second base body 210, wherein the plate girder clamping block 220 is used for clamping the bottom of the plate girder structure 10 having a cavity. The second base body 210 can provide support for the plate girder structure 10, so that the height of the plate girder structure 10 corresponds to the height of the multi-stage positioning and clamping mechanism, and the plate girder structure 10 corresponds to the lapping plate 20 conveniently. Also, as needed, a plurality of second support seats 200 may be provided to support and clamp the plate girder structure 10 at a plurality of positions from the length direction of the plate girder structure 10.
Moreover, the multi-stage positioning and clamping mechanism may include a first beam-slab limiting block 424 disposed at the bottom of the second-stage positioning plate main body 421, and a second beam-slab limiting block 425 disposed at the bottom of the third-stage cylinder fixing plate 422, wherein the first beam-slab limiting block 424 and the second beam-slab limiting block 425 are respectively limited at two sides of the top of the plate-beam structure 10 having the cavity. That is, the first beam limiting block 424 and the second beam limiting block 425 are respectively arranged on two sides of the second-stage positioning plate structure 420, so that the plate-beam structure 10 can be limited and positioned from two sides, and the positioning of the plate-beam structure 10 and the lapping plate 20 is more stable and reliable.
According to the technical scheme provided by the invention, the problem of positioning of the suspended plate (lap plate) in the U-shaped plate beam structure is solved, and the omnibearing accurate positioning is completed in the space of a special mechanism through the clamp mechanism, so that the positioning precision is ensured, and the product quality is improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The positioning clamp of the cavity plate structure is characterized by comprising a supporting base and a multi-stage positioning clamping mechanism arranged on the supporting base;
the supporting base comprises a first supporting seat and a second supporting seat arranged at an interval with the first supporting seat, and the second supporting seat is used for clamping a plate beam structure with a cavity;
the multistage positioning and clamping mechanism comprises a first-stage rotating positioning and clamping structure arranged on the first supporting seat, a second-stage lifting positioning and clamping structure arranged on the first-stage rotating positioning and clamping structure, and a third-stage rotating positioning and clamping structure arranged on the second-stage lifting positioning and clamping structure, wherein the third-stage rotating positioning and clamping structure is used for clamping the lap joint plate and is correspondingly matched with the second supporting seat;
the primary rotary positioning and clamping structure comprises a primary rotary driving cylinder arranged on the first supporting seat and a primary positioning plate structure hinged on the primary rotary driving cylinder;
the secondary lifting positioning clamping structure comprises a secondary lifting driving cylinder arranged on the primary positioning plate structure and a secondary positioning plate structure connected with the secondary lifting driving cylinder;
the three-level rotary positioning and clamping structure comprises a three-level rotary driving cylinder arranged on the second-level positioning plate structure and a cavity plate clamping structure hinged to the three-level rotary driving cylinder, and the cavity plate clamping structure is matched with the second-level positioning plate structure to clamp the lapping plate;
the first-stage positioning plate structure comprises a first-stage positioning plate main body, a first-stage hinged plate and a second-stage cylinder fixing plate, wherein the first-stage hinged plate is arranged at one end of the first-stage positioning plate main body and is hinged with the first-stage rotation driving cylinder, and the second-stage cylinder fixing plate is arranged at the other end of the first-stage positioning plate main body and is connected with the second-stage lifting driving cylinder;
the second-stage positioning plate structure comprises a second-stage positioning plate main body connected with the second-stage lifting driving cylinder, a third-stage cylinder fixing plate arranged at the end part of the second-stage positioning plate main body and connected with the third-stage rotating driving cylinder, and a cavity plate positioning structure protruding from the bottom of the third-stage cylinder fixing plate;
the cavity plate clamping structure comprises a cavity plate clamping block hinged with the secondary positioning plate main body, one end of the cavity plate clamping block is hinged with the tertiary rotation driving cylinder, and the other end of the cavity plate clamping block is correspondingly matched with the cavity plate positioning structure to be used for clamping the lapping plate;
wherein, the one-level locating plate structure is still including outstanding the locating on the second grade cylinder fixed plate, and extend to second grade location stopper of second grade locating plate main part bottom below, and locate the second grade location limit structure of second grade locating plate main part bottom, second grade location limit structure with second grade location stopper is mutually supported.
2. The positioning fixture of cavity plate structure as claimed in claim 1, wherein said first supporting base comprises a first base body, and a first-stage cylinder fixing base disposed on the top of said first base body, said first-stage rotation driving cylinder is disposed on the side of said first-stage cylinder fixing base, and the top of said first-stage cylinder fixing base is correspondingly matched with the bottom of said first-stage positioning plate main body.
3. The positioning fixture of cavity plate structure as claimed in claim 1, wherein said multi-stage positioning and clamping mechanism comprises a third-stage cylinder fixing plate respectively disposed at two ends of the bottom of said second-stage positioning plate body, each third-stage cylinder fixing plate is correspondingly disposed with a third-stage rotational positioning and clamping structure and a cavity plate positioning structure, and the cavity plate clamping block of each third-stage rotational positioning and clamping structure is correspondingly engaged with the cavity plate positioning structure.
4. The positioning fixture of cavity plate structure as claimed in claim 1, wherein the cavity plate positioning structure comprises a cavity plate positioning block protruding from the bottom of the third stage cylinder fixing plate, and a cavity plate positioning pin protruding from the cavity plate positioning block, the cavity plate positioning pin being correspondingly engaged with the cavity plate clamping block.
5. The positioning fixture of cavity plate structure of claim 1, characterized in that said multi-stage positioning fixture comprises a first beam-slab limiting block disposed at the bottom of said second-stage positioning plate main body and a second beam-slab limiting block disposed at the bottom of said third-stage cylinder fixing plate, said first beam-slab limiting block and said second beam-slab limiting block are respectively limited at both sides of the top of said plate-slab structure having said cavity.
6. The cavity plate structure positioning jig of claim 5, wherein said second support base comprises a second base body, and a plate beam clamping block provided on top of said second base body, said plate beam clamping block being for clamping the bottom of the plate beam structure having the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| US3604886A (en) * | 1970-03-09 | 1971-09-14 | Kentucky Electronics Inc | Welding jigs for aligning mounting straps on cylindrical crt electrodes |
| CN205271821U (en) * | 2016-01-05 | 2016-06-01 | 安徽江淮汽车股份有限公司 | Fixture and anchor clamps of anchor clamps |
| CN105618942A (en) * | 2016-02-17 | 2016-06-01 | 武汉法利莱切焊系统工程有限公司 | Automatic feeding and rotating laser tailor-welding fixture |
| CN106363330A (en) * | 2016-11-29 | 2017-02-01 | 安徽江淮汽车集团股份有限公司 | Positioning mechanism |
| CN108500516A (en) * | 2018-04-04 | 2018-09-07 | 大族激光科技产业集团股份有限公司 | Welding equipment and welding method |
| CN108638089A (en) * | 2018-07-23 | 2018-10-12 | 单伟民 | A kind of removing welding slag manipulator for the workshop that is welded |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284812B (en) * | 2011-07-31 | 2014-04-23 | 长城汽车股份有限公司 | Automatic part feeding device used in welding of vehicle body |
| CN109014726A (en) * | 2018-08-30 | 2018-12-18 | 安徽江淮汽车集团股份有限公司 | A kind of welding supporting table of body assembly |
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- 2019-11-26 CN CN201911180823.6A patent/CN110842447B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3604886A (en) * | 1970-03-09 | 1971-09-14 | Kentucky Electronics Inc | Welding jigs for aligning mounting straps on cylindrical crt electrodes |
| CN205271821U (en) * | 2016-01-05 | 2016-06-01 | 安徽江淮汽车股份有限公司 | Fixture and anchor clamps of anchor clamps |
| CN105618942A (en) * | 2016-02-17 | 2016-06-01 | 武汉法利莱切焊系统工程有限公司 | Automatic feeding and rotating laser tailor-welding fixture |
| CN106363330A (en) * | 2016-11-29 | 2017-02-01 | 安徽江淮汽车集团股份有限公司 | Positioning mechanism |
| CN108500516A (en) * | 2018-04-04 | 2018-09-07 | 大族激光科技产业集团股份有限公司 | Welding equipment and welding method |
| CN108638089A (en) * | 2018-07-23 | 2018-10-12 | 单伟民 | A kind of removing welding slag manipulator for the workshop that is welded |
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| CN110842447A (en) | 2020-02-28 |
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