CN114905194A - Welding jig is assembled to high box frame - Google Patents
Welding jig is assembled to high box frame Download PDFInfo
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- CN114905194A CN114905194A CN202210457705.0A CN202210457705A CN114905194A CN 114905194 A CN114905194 A CN 114905194A CN 202210457705 A CN202210457705 A CN 202210457705A CN 114905194 A CN114905194 A CN 114905194A
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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
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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
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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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
- B23K2101/24—Frameworks
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- Engineering & Computer Science (AREA)
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a high box frame assembling and welding fixture, which belongs to the technical field of welding fixtures and comprises a base, wherein a primary clamping and adjusting mechanism is arranged on the upper end surface of the base; one-level centre gripping adjustment mechanism includes the diaphragm, diaphragm symmetry fixed connection is in the base left and right sides, the one end symmetry fixedly connected with limiting plate, the right side that the diaphragm up end was kept away from each other the right flank central point of limiting plate puts fixedly connected with one-level motor, the output shaft of one-level motor runs through limiting plate and fixedly connected with one-level lead screw, one-level lead screw left end is rotated with the left side limiting plate and is connected, and one-level lead screw front and back bilateral symmetry is equipped with the guide bar, both ends respectively with control the limiting plate fixed connection who comes both sides about the guide bar, can realize the position of automatically regulated frame, to the corresponding three-dimensional rectangular frame of different box welding, can weld planar rectangular frame moreover, improved application scope.
Description
Technical Field
The invention relates to the technical field of welding fixtures, in particular to a welding fixture for assembling a high box frame.
Background
The welding mode to high box frame among the prior art mainly has concatenation frame and welding frame two categories, and the concatenation frame adopts the section bar member to connect through the connecting piece usually, and the dismouting is comparatively convenient, but frame structural strength and wholeness are not as welding frame.
However, welding rectangular frames have higher requirements on welding quality, welding stress deformation is the main reason for generating deformation defects of the welding frames, at present, the welding of a plurality of rectangular frames adopts manual frame splicing welding, the welding error and the deformation are larger, especially, the welding of vertical upright rods is also contained in the rectangular three-dimensional frames, once the vertical upright rods have larger position deviation, the welding is often difficult to correct, the welding of the rectangular three-dimensional frames is failed, and the requirement on the operation level of welding workers is higher.
The prior patent (publication number: CN110722312A) discloses a door frame assembling and welding tool capable of automatically overturning a door frame, which comprises a fixing frame, wherein the fixing frame comprises a base, two groups of vertical plates are fixedly arranged on two sides of the surface of the base, a door frame fixing frame is rotatably arranged between the two groups of vertical plates, a motor is electrically fixed on one group of vertical plates, and an output shaft of the motor is in transmission connection with the door frame fixing frame. Under the action of the elastic force of the spring, the door frame plate clamping block tightly clamps the frame edge to fix the frame edge.
This welding frock is assembled to door frame that can overturn automatically has upset welding framework tow sides, changes the characteristics of clamping position according to not equidimension door frame, but its clamping and position control all adopt manual regulation, and the operation is loaded down with trivial details relatively, and the clamping power all adopts the spring to control, and the clamping-force can not be adjusted, and clamping stability is relatively poor, and just only to the welding of plane rectangle frame, can't realize three-dimensional rectangular frame's welding, and application scope is lower.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a welding fixture for assembling a high box body frame, which can automatically adjust the position of the frame, weld corresponding three-dimensional rectangular frames to different box bodies, weld planar rectangular frames and improve the application range.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A high box frame assembling and welding fixture comprises a base, wherein a primary clamping and adjusting mechanism is arranged on the upper end face of the base;
the primary clamping and adjusting mechanism comprises a transverse plate, the transverse plate is symmetrically and fixedly connected to the left side and the right side of the base, one end, away from each other, of the upper end surface of the transverse plate is symmetrically and fixedly connected with a limiting plate, a primary motor is fixedly connected to the center position of the right side surface of the limiting plate on the right side, an output shaft of the primary motor penetrates through the limiting plate and is fixedly connected with a primary lead screw, the left end of the primary lead screw is rotatably connected with the left limiting plate, guide rods are symmetrically arranged on the front side and the rear side of the primary lead screw, and the left end and the right end of each guide rod are fixedly connected with the limiting plates on the left side and the right side respectively;
support plates are fixedly connected to the left side and the right side of the upper end face of the base, a first-stage screw rod and a guide rod penetrate through the support plates and are rotatably connected with the support plates through bearings, first-stage support tables are symmetrically arranged on the left side and the right side of the base, three lantern rings are fixedly connected to the lower end face of each first-stage support table corresponding to the first-stage screw rod and the guide rod, the lantern rings on the front side and the rear side are connected with the guide rods in a sliding mode, and the lantern rings on the central position are in spiral transmission connection with the first-stage screw rods;
the base top is equipped with tertiary centre gripping adjustment mechanism, one-level brace table top is equipped with second grade centre gripping adjustment mechanism, through one-level centre gripping adjustment mechanism, second grade centre gripping adjustment mechanism and tertiary centre gripping adjustment mechanism mutually support can be to the different rectangular frame of box centre gripping of difference.
Further, the front side and the rear side of the base are respectively and symmetrically provided with a first-level supporting table at the positions which are flush with the first-level supporting tables at the left side and the right side, the front side and the rear side of the first-level supporting tables at the left side and the right side are respectively and fixedly connected with a frame plate, and the left side and the right side of the frame plate are provided with left and right through sliding chutes near the lower end;
the left side and the right side of the primary supporting platform are respectively and fixedly connected with a supporting rod corresponding to the sliding grooves, and the other ends of the supporting rods are respectively arranged in the sliding grooves.
Further, four the equal fixedly connected with one-level cylinder of lower terminal surface of standing groove, one side sliding connection that the standing groove is close to the base has one-level splint, and one-level splint respectively with the telescopic shaft tip fixed connection of one-level cylinder, four the equal fixedly connected with baffle in one side that the base was kept away from to one-level supporting bench up end is close to one side central point of base and is put and all sets up the one-level opening that link up the rectangular structure of splint, and both sides rotate through the pivot about the one-level opening is inside to be connected with the one-level cylinder.
Further, baffle top is equipped with second grade centre gripping adjustment mechanism, second grade centre gripping adjustment mechanism includes the second grade brace table, the second grade brace table is located four baffle upper ends respectively, and the notch that supplies the baffle to pass is seted up respectively to one side that the second grade brace table up end is close to the baffle, the second grade brace table respectively with baffle sliding connection.
Furthermore, be located the left and right sides the both sides also correspond fixedly connected with frame plate around the second grade brace table of baffle top, two around the side also corresponds fixedly connected with branch about the second grade brace table of baffle top, and the other end of branch also is located the spout of the frame plate of both sides around the second grade brace table.
Furthermore, the front side and the rear side of the outer side surface of the second-stage supporting table are fixedly connected with nuts, the nuts are connected with a second-stage screw rod in a spiral transmission mode, a second-stage motor is fixedly connected to the lower end of the outer side surface of the first-stage supporting table below the second-stage screw rod, and an output shaft of the second-stage motor is fixedly connected with the lower end of the second-stage screw rod.
Furthermore, vertical grooves are formed in the center positions of the outer side surfaces of the left baffle and the right baffle, vertical grooves are formed in the positions, to the right, of the outer side surfaces of the front baffle and the rear baffle, and two-stage air cylinders are fixedly connected to the positions, corresponding to the vertical grooves, of the outer side surfaces of the four two-stage supporting tables;
the equal fixedly connected with fixed plate in telescopic shaft upper end of second grade cylinder, the fixed plate all runs through to erecting inslot side and fixedly connected with second grade splint.
Further, second grade splint are located second grade brace table top, and second grade splint up end equidistance sets up the second grade opening that a plurality of link up second grade splint, second grade opening inboard all rotates and is connected with the second grade cylinder.
Furthermore, the three-stage clamping adjusting mechanism comprises a three-stage motor, the front side and the rear side of the upper end surface of the base are fixedly connected with a support with a U-shaped section, and the three-stage motor is fixedly connected to the center of the upper end surface of the support;
an output shaft of the three-stage motor penetrates below the bracket and is fixedly connected with a gear, the gear is positioned above the first-stage screw rod, adjusting plates are arranged on the left side and the right side of the gear in a central symmetry manner, and gear teeth meshed with the gear are uniformly distributed on the inner side surface of each adjusting plate (33);
left side the rear end of regulating plate runs through support posterior lateral plate and with rear side one-level brace table fixed connection, right side the front end of regulating plate runs through support anterior lateral plate and with front side one-level brace table fixed connection, and the regulating plate all slides with the front and back curb plate of support.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
but this scheme is adjusted through one-level centre gripping adjustment mechanism, second grade fixture and is made the corner contact position laminating of four frames of rectangular frame upside and four frames of downside inseparable with tertiary centre gripping adjustment mechanism's cooperation automatically regulated, accomplishes the centering of frame to prevent to take place the skew and influence welding quality in welding process.
Thereby this scheme is adjusted the structure through the second grade centre gripping and can is adjusted the height of upside frame and is matchd four frames all around of rectangular frame, and then reaches centre gripping three-dimensional frame's purpose.
This scheme passes through the up end of second grade splint setting at the frame of upside, prevents when centre gripping box is all around along with individual frame, and the upside frame is by ejecting second grade brace table.
This scheme is through seting up perpendicular groove on the baffle and slide from top to bottom along perpendicular groove with convenient fixed to guarantee that second grade splint form the centre gripping effect to the upside frame all the time.
Drawings
FIG. 1 is a perspective view of a rectangular frame clamped by the clamp of the present invention;
FIG. 2 is a first perspective view of the present invention;
FIG. 3 is a second perspective view of the present invention;
FIG. 4 is a third perspective view of the present invention;
FIG. 5 is a front view of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 7 is a view taken at B-B of FIG. 5 in accordance with the present invention;
FIG. 8 is a view of the present invention at C-C of FIG. 6.
The reference numbers in the figures illustrate:
1. a base; 11. a support plate; 12. a support; 2. a primary clamping adjustment mechanism; 21. a primary support table; 211. a placement groove; 22. a primary cylinder; 221. a first-stage splint; 222. a first-level port; 223. a primary drum; 23. a baffle plate; 24. a transverse plate; 241. a first-stage motor; 242. a limiting plate; 243. a first-stage screw rod; 244. a guide bar; 245. a collar; 25. a frame plate; 26. a strut; 27. a chute; 3. a third-level clamping adjusting mechanism; 31. a three-stage motor; 32. a gear; 33. an adjusting plate; 4. a secondary clamping adjusting mechanism; 41. a secondary support platform; 411. a secondary cylinder; 412. a fixing plate; 413. a secondary splint; 414. second-level connection; 415. a secondary drum; 42. a secondary motor; 421. a second-stage screw rod; 422. a nut; 43. a vertical slot.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-8, a welding jig for assembling a high box frame includes a base 1, wherein a primary clamping adjustment mechanism 2 is disposed on an upper end surface of the base 1;
the primary clamping and adjusting mechanism 2 comprises a transverse plate 24, the transverse plate 24 is symmetrically and fixedly connected to the left side and the right side of the base 1, one ends, away from each other, of the upper end surfaces of the transverse plate 24 are symmetrically and fixedly connected with limiting plates 242, a primary motor 241 is fixedly connected to the center position of the right side surface of the limiting plate 242 on the right side, an output shaft of the primary motor 241 penetrates through the limiting plates 242 and is fixedly connected with a primary lead screw 243, the left end of the primary lead screw 243 is rotatably connected with the left limiting plate 242, guide rods 244 are symmetrically arranged on the front side and the rear side of the primary lead screw 243, and the left end and the right end of each guide rod 244 are respectively and fixedly connected with the limiting plates 242 on the left side and the right side;
the left side and the right side of the upper end surface of the base 1 are fixedly connected with a support plate 11, a first-stage screw rod 243 and a guide rod 244 both penetrate through the support plate 11 and are rotatably connected with the support plate 11 through bearings, first-stage support tables 21 are symmetrically arranged on the left side and the right side of the base 1, three lantern rings 245 are fixedly connected to the lower end surfaces of the first-stage support tables 21 corresponding to the first-stage screw rod 243 and the guide rod 244, the lantern rings 245 on the front side and the rear side are connected with the guide rod 244 in a sliding mode, and the lantern ring 245 on the center position is in spiral transmission connection with the first-stage screw rod 243;
a third-stage clamping adjusting mechanism 3 is arranged above the base 1, a second-stage clamping adjusting mechanism 4 is arranged above the first-stage supporting table 21, and different rectangular frames can be clamped for different boxes through mutual matching of the first-stage clamping adjusting mechanism 2, the second-stage clamping adjusting mechanism 4 and the third-stage clamping adjusting mechanism 3;
the front side and the rear side of the base 1 are also provided with the first-level supporting tables 21 symmetrically at the front and rear positions which are flush with the first-level supporting tables 21 at the left side and the right side, the front side and the rear side of the first-level supporting tables 21 at the left side and the right side are both fixedly connected with frame plates 25, the left side and the right side of each frame plate 25 are provided with left and right through sliding grooves 27 near the lower end, the left side and the right side of the first-level supporting tables 21 at the front side and the rear side are respectively and fixedly connected with supporting rods 26 corresponding to the sliding grooves 27, and the other ends of the supporting rods 26 are respectively arranged in the sliding grooves 27;
four the standing groove 211 that rectangle groove structure was all seted up to one-level supporting bench 21 up end central point puts, and the equal fixedly connected with one-level cylinder 22 of lower terminal surface of standing groove 211, one side sliding connection that standing groove 211 is close to base 1 has one-level splint 221, and one-level splint 221 respectively with one-level cylinder 22's telescopic shaft tip fixed connection, four the equal fixedly connected with baffle 23 in one side of base 1 is kept away from to one-level supporting bench 21 up end, one-level splint 221 is close to one side central point of base 1 and puts the one-level opening 222 that all sets up the rectangle structure that link up splint, and both sides are rotated through the pivot about the one-level opening 222 is inside and are connected with one-level cylinder 223.
Firstly, four frames on the lower side of a box body frame are respectively arranged on the upper end surfaces of four first-stage supporting tables 21, four first-stage air cylinders 22 are started to respectively drive four first-stage clamping plates 221 to approach the four frames, so that the four frames are respectively tightly attached to the inner side surfaces of baffles 23 on the four first-stage supporting tables 21, then a first-stage motor 241 is started to drive a first-stage screw rod 243 to rotate, as the screw directions of the first-stage screw rod 243 positioned on the left side and the right side of a base 1 are opposite, and a sleeve ring 245 is respectively in screw transmission connection with the first-stage screw rod 243, so that the first-stage supporting tables 21 on the left side and the right side are driven to approach each other, and a third-stage clamping and adjusting mechanism 3 drives the first-stage supporting tables 21 on the front side and the rear side to approach each other, as the frames on the first-stage supporting tables 21 are not exactly positioned at the center position of the upper end surfaces of the first-stage supporting tables 21 on the left side and the right side in the process of approaching each other, because the primary roller 223 on the primary clamping plate 221 contacts with the frame when clamping the frame, the frames on the front and rear sides can move along the upper end surface of the primary supporting table 21 when being extruded by the frame plate 25, so that the frames on the front and rear sides are centered;
then, the three-stage clamping and adjusting mechanism 3 drives the first-stage supporting tables 21 on the front side and the rear side to approach each other, the supporting rods 26 on the left side and the right side of the first-stage supporting tables 21 slide along the sliding grooves 27 on the frame plates 25, so that the stability of the first-stage supporting tables 21 on the front side and the rear side is ensured, the bearing capacity of the first-stage supporting tables 21 on the front side and the rear side is improved, the left side and the right side of the frame on the first-stage supporting tables 21 on the left side and the right side can respectively touch the frames on the first-stage supporting tables 21 on the left side and the right side in the mutual approaching process of the first-stage supporting tables 21, the frames on the left side and the right side are extruded, the frames further move along the upper end faces of the first-stage supporting tables 21 on the left side and the right side until four corners of the four frames are just tightly attached, the four corners of the four frames are clamped, the four frames on the left side and the right side and the four corners of the upper end faces of the lower side are clamped by matching with the second-stage clamping and adjusting mechanism 4, the three-stage clamping and adjusting mechanism has high degree of automation and improves the processing efficiency, and not only can clamp a plane rectangular frame, the three-dimensional rectangular frame can be clamped, and the application range is improved.
As an embodiment of the present invention, referring to fig. 1 to 6, a secondary clamping adjustment mechanism 4 is disposed above the baffle 23, the secondary clamping adjustment mechanism 4 includes a secondary support platform 41, the secondary support platforms 41 are respectively located at the upper ends of the four baffles 23, and a notch for the baffle 23 to pass through is respectively formed on one side of the upper end surface of the secondary support platform 41 close to the baffle 23, and the secondary support platforms 41 are respectively connected to the baffles 23 in a sliding manner;
the outer side surface center position of the baffle 23 on the left side and the right side is provided with a vertical groove 43, the outer side surface center of the baffle 23 on the front side and the rear side is provided with a vertical groove 43 at a position deviated to the right, four positions of the outer side surface of the second-stage supporting platform 41 corresponding to the vertical groove 43 are fixedly connected with a second-stage cylinder 411, the upper end of a telescopic shaft of the second-stage cylinder 411 is fixedly connected with a fixing plate 412, the fixing plate 412 penetrates through the inner side of the vertical groove 43 and is fixedly connected with a second-stage splint 413, the second-stage splint 413 is positioned above the second-stage supporting platform 41, a plurality of second-stage through holes 414 penetrating through the second-stage splint 413 are equidistantly formed in the upper end surface of the second-stage splint 413, and a second-stage roller 415 is rotatably connected to the inner side of each second-stage through hole 414;
the outer side surface central point of both sides two-stage supporting bench 41 puts equal fixedly connected with nut 422 around, and nut 422 internal screw drive is connected with second grade lead screw 421, the one-level supporting bench 21 lateral surface lower extreme fixedly connected with second grade motor 42 of second grade lead screw 421 below, and the output shaft of second grade motor 42 and the lower extreme fixed connection of second grade lead screw 421.
The self-locking relationship between the nut 422 and the second-stage screw 421 is utilized to support the second-stage supporting platforms 41 at the front and rear sides, and the supporting rods 26 at the left and right sides of the second-stage supporting platforms 41 at the front and rear sides are respectively arranged in the sliding grooves 27 on the frame plates 25 at the front and rear sides of the second-stage supporting platforms 41 at the left and right sides, so that the second-stage supporting platforms 41 at the left and right sides are also supported, the four frames at the upper side of the box body frame are respectively arranged on the upper end surfaces of the second-stage supporting platforms 41, in the process that the first-stage motor 241 drives the first-stage screw 243 to drive the first-stage supporting platforms 21 at the left and right sides to mutually approach, because the second-stage supporting platforms 41 at the left and right sides are arranged on the baffles 23 on the first-stage supporting platforms 21 at the left and right sides, the second-stage supporting platforms 41 at the left and right sides are simultaneously driven to mutually approach, because the upper end surfaces of the second-stage clamping plates 413 are equidistantly provided with a plurality of second-stage through holes 414, and the inner sides of the second-stage through holes 414 are rotatably connected with the second-stage rollers 415, when the frame plates 25 on the front side and the rear side of the left-right two-stage supporting tables 41 extrude the frames on the front-rear two-stage supporting tables 41, the frames can slide along the two-stage clamping plates 413, so that the frames on the front-rear two-stage supporting tables 41 are centered, and the three-stage clamping and adjusting mechanism 3 drives the front-rear two-stage supporting tables 21 to mutually approach, so that the front-rear two-stage supporting tables 41 are also driven to mutually approach, so that the frames on the left-right two-stage supporting tables 41 are centered by matching with the frames on the front-rear two sides of the two-stage supporting tables 41, and four corner positions of the four frames on the upper side are tightly attached;
after the seam positions of the four frames on the upper side and the lower side are welded firmly by welding equipment, the second-stage motor 42 is started to drive the second-stage screw 421 to rotate forward or backward, the nut 422 is in screw transmission connection with the second-stage screw 421 to drive the second-stage supporting platforms 41 on the front side and the rear side to ascend or descend along the baffles 23 on the front side and the rear side, the struts 26 on the left side and the right side of the second-stage supporting platforms 41 on the front side and the rear side to respectively arrange in the chutes 27 on the frame plates 25 on the front side and the rear side of the second-stage supporting platforms 41 on the left side and the right side to simultaneously drive the second-stage supporting platforms 41 on the left side and the right side to ascend or descend together so as to clamp the four frames on the front side, the rear side, the left side, the right side, the left side, the rear side, the right side, the left side, the right side, the frame, the upper end of the fixing plate 412 is fixedly connected with the telescopic shaft of the second-stage cylinder 411, The other end runs through perpendicular groove 43 and second grade splint 413 fixed connection on the baffle 23, thereby make second grade splint 413 can rise or descend along perpendicular groove 43, remain the centre gripping to the upside frame throughout, avoid the upside frame to be carried out ejecting second grade brace table 41 when the centre gripping to four frames all around of box, guaranteed the stable centre gripping to four frames all around, can carry out the centering centre gripping to four frames of upside and four frames of downside of box simultaneously, the efficiency of box frame centre gripping centering has been improved greatly, also can carry out the centre gripping to planar rectangular frame, improve and use the flexibility.
Referring to the figure as an embodiment of the present invention, the three-stage clamping and adjusting mechanism 3 includes a three-stage motor 31, the front and rear sides of the upper end surface of the base 1 are fixedly connected with a bracket 12 having a U-shaped cross section, and the three-stage motor 31 is fixedly connected to the center position of the upper end surface of the bracket 12;
an output shaft of the three-stage motor 31 penetrates below the bracket 12 and is fixedly connected with a gear 32, the gear 32 is positioned above the first-stage screw rod 243, adjusting plates 33 are arranged at the centers of the left side and the right side of the gear 32 symmetrically, and gear teeth meshed with the gear 32 are uniformly distributed on the inner side surfaces of the adjusting plates 33;
left side the rear end of regulating plate 33 run through support 12 posterior lateral plate and with rear side one-level brace table 21 fixed connection, right side the front end of regulating plate 33 run through support 12 preceding curb plate and with front side one-level brace table 21 fixed connection, and regulating plate 33 all with support 12 around curb plate sliding connection.
After the two frames on the front and rear two-side first-stage supporting tables 21 and the two frames on the second-stage supporting tables 41 are centered by the frame plates 25 on the left and right first-stage supporting tables 21 and the second-stage supporting tables 41, the third-stage motor 31 is started to drive the gear 32 to rotate anticlockwise, thereby simultaneously driving the adjusting plates 33 on the left and right sides to contract inwards, further respectively driving the front and rear two-stage supporting tables 21 and the second-stage supporting tables 41 to approach each other to finish centering and clamping the frames on the left and right first-stage supporting tables 21 and the second-stage supporting tables 41, the adjustment is convenient, the degree of automation is high, the processing efficiency is improved, after the frame welding is finished, the first-stage cylinder 22 is started to drive the four first-stage clamping plates 221 to extend out of the placing groove 211, the second-stage cylinder 411 drives the second-stage clamping plates 413 to loosen the clamping of the upper-side frames, the third-stage motor 31 is started to drive the gear 32 to rotate clockwise, thereby driving the two adjusting plates 33 to extend outwards, and then the second-level clamping plate 413 leaves the upper side frame, at the moment, the frame loses the blocking of the first-level clamping plate 221 and the second-level clamping plate 413, and the welded frame can be taken out from the upper part of the clamp
The working principle is as follows: firstly, four frames on the lower side of a box body frame are respectively arranged on the upper end surfaces of four first-stage supporting tables 21, four first-stage air cylinders 22 are started to respectively drive four first-stage clamping plates 221 to approach the four frames, so that the four frames are respectively tightly attached to the inner side surfaces of baffles 23 on the four first-stage supporting tables 21, then a first-stage motor 241 is started to drive a first-stage screw rod 243 to rotate, as the screw directions of the first-stage screw rod 243 positioned on the left side and the right side of a base 1 are opposite, and a sleeve ring 245 is respectively in screw transmission connection with the first-stage screw rod 243, so that the first-stage supporting tables 21 on the left side and the right side are driven to approach each other, and a third-stage clamping and adjusting mechanism 3 drives the first-stage supporting tables 21 on the front side and the rear side to approach each other, as the frames on the first-stage supporting tables 21 are not exactly positioned at the center position of the upper end surfaces of the first-stage supporting tables 21 on the left side and the right side in the process of approaching each other, because the primary roller 223 on the primary clamping plate 221 contacts with the frame when clamping the frame, the frames on the front and rear sides can move along the upper end surface of the primary supporting table 21 when being extruded by the frame plate 25, so that the frames on the front and rear sides are centered;
then, the three-stage clamping and adjusting mechanism 3 drives the first-stage supporting tables 21 on the front side and the rear side to approach each other, the supporting rods 26 on the left side and the right side of the first-stage supporting tables 21 slide along the sliding grooves 27 on the frame plates 25, so that the stability of the first-stage supporting tables 21 on the front side and the rear side is ensured, the bearing capacity of the first-stage supporting tables 21 on the front side and the rear side is improved, the left side and the right side of the frame on the first-stage supporting tables 21 on the left side and the right side can respectively touch the frames on the first-stage supporting tables 21 on the left side and the right side in the mutual approaching process of the first-stage supporting tables 21, the frames on the left side and the right side are extruded, the frames further move along the upper end faces of the first-stage supporting tables 21 on the left side and the right side until four corners of the four frames are just tightly attached, the four corners of the four frames are clamped, the four frames on the left side and the right side and the four corners of the upper end faces of the lower side are clamped by matching with the second-stage clamping and adjusting mechanism 4, the three-stage clamping and adjusting mechanism has high degree of automation and improves the processing efficiency, and not only can clamp a plane rectangular frame, the three-dimensional rectangular frame can be clamped, and the application range is improved.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a welding jig is assembled to high box frame, includes base (1), its characterized in that: the upper end surface of the base (1) is provided with a primary clamping and adjusting mechanism (2);
the primary clamping and adjusting mechanism (2) comprises a transverse plate (24), the transverse plate (24) is symmetrically and fixedly connected to the left side and the right side of the base (1), one end, away from each other, of the upper end face of the transverse plate (24) is symmetrically and fixedly connected with a limiting plate (242), the right side of the limiting plate (242) is fixedly connected with a primary motor (241) in the center position, an output shaft of the primary motor (241) penetrates through the limiting plate (242) and is fixedly connected with a primary lead screw (243), the left end of the primary lead screw (243) is rotatably connected with the left limiting plate (242), guide rods (244) are symmetrically arranged on the front side and the rear side of the primary lead screw (243), and the left end and the right end of each guide rod (244) are fixedly connected with the limiting plates (242) on the left side and the right side respectively;
the left side and the right side of the upper end face of the base (1) are fixedly connected with a support plate (11), a primary screw rod (243) and a guide rod (244) penetrate through the support plate (11) and are rotatably connected with the support plate (11) through bearings, primary support tables (21) are symmetrically arranged on the left side and the right side of the base (1), the lower end face of each primary support table (21) corresponds to the primary screw rod (243) and the guide rod (244) and is fixedly connected with three lantern rings (245), lantern rings (245) on the front side and the rear side are connected with the guide rod (244) in a sliding mode, and lantern rings (245) on the center position are in spiral transmission connection with the primary screw rod (243);
base (1) top is equipped with tertiary centre gripping adjustment mechanism (3), one-level brace table (21) top is equipped with second grade centre gripping adjustment mechanism (4), through one-level centre gripping adjustment mechanism (2), second grade centre gripping adjustment mechanism (4) and tertiary centre gripping adjustment mechanism (3) mutually support can be to the different rectangular frame of box centre gripping of difference.
2. The welding jig is assembled to high box frame of claim 1, characterized in that: the front side and the rear side of the base (1) are parallel to the first-stage supporting tables (21) on the left side and the right side, the first-stage supporting tables (21) are symmetrically arranged on the front side and the rear side of the first-stage supporting tables (21) on the left side and the right side, frame plates (25) are fixedly connected to the front side and the rear side of the first-stage supporting tables (21) on the left side and the right side, and left and right through sliding grooves (27) are formed in the positions, close to the lower ends, of the left side and the right side of the frame plates (25);
the left side and the right side of the primary supporting platform (21) on the front side and the rear side are respectively fixedly connected with a supporting rod (26) corresponding to the sliding grooves (27), and the other ends of the supporting rods (26) are respectively arranged in the sliding grooves (27).
3. The welding jig is assembled to high box frame of claim 2, characterized in that: four standing groove (211) that rectangle groove structure all was seted up are put to one-level supporting bench (21) up end central point, and the equal fixedly connected with one-level cylinder (22) of lower terminal surface of standing groove (211), one side sliding connection that standing groove (211) are close to base (1) has one-level splint (221), and one-level splint (221) respectively with the telescopic shaft tip fixed connection of one-level cylinder (22), four the equal fixedly connected with baffle (23) in one side of base (1) are kept away from to one-level supporting bench (21) up end.
4. The high box frame assembling and welding fixture of claim 3, wherein: one-level splint (221) are close to one side central point of base (1) and put one-level opening (222) that all set up the rectangle structure that link up the splint, and inside upper and lower both sides of one-level opening (222) are connected with one-level cylinder (223) through the pivot rotation.
5. The high box frame assembling and welding fixture of claim 3, wherein: baffle (23) top is equipped with second grade centre gripping adjustment mechanism (4), second grade centre gripping adjustment mechanism (4) are including second grade brace table (41), second grade brace table (41) are located four baffle (23) upper ends respectively, and one side that second grade brace table (41) up end is close to baffle (23) offers the notch that supplies baffle (23) to pass respectively, second grade brace table (41) respectively with baffle (23) sliding connection.
6. The high box frame assembling and welding fixture of claim 5, wherein: the front side and the rear side of a second-stage support platform (41) above the baffle (23) correspond to fixedly connected frame plates (25), the front side and the rear side of the second-stage support platform (41) above the baffle (23) correspond to fixedly connected supporting rods (26), and the other ends of the supporting rods (26) are also located in sliding grooves (27) of the frame plates (25) on the front side and the rear side of the second-stage support platform.
7. The high box frame assembling and welding fixture of claim 6, wherein: front and back both sides the lateral surface central point of second grade brace table (41) puts equal fixedly connected with nut (422), and nut (422) internal screw drive is connected with second grade lead screw (421), one-level brace table (21) lateral surface lower extreme fixedly connected with second grade motor (42) of second grade lead screw (421) below, and the lower extreme fixed connection of the output shaft of second grade motor (42) and second grade lead screw (421).
8. The high box frame assembling and welding fixture of claim 6, wherein: the centers of the outer side surfaces of the left and right baffles (23) are provided with vertical grooves (43), the centers of the outer side surfaces of the front and rear baffles (23) are provided with vertical grooves (43) at the right side, and the positions of the outer side surfaces of the four secondary supporting platforms (41) corresponding to the vertical grooves (43) are fixedly connected with secondary cylinders (411);
the telescopic shaft upper end of second grade cylinder (411) all fixedly connected with fixed plate (412), fixed plate (412) all run through to erecting groove (43) inboard and fixedly connected with second grade splint (413).
9. The welding jig is assembled to high box frame of claim 9, characterized in that: second grade splint (413) are located second grade brace table (41) top, and second grade splint (413) up end equidistance sets up second grade opening (414) that a plurality of link up second grade splint (413), second grade opening (414) inboard all rotates and is connected with second grade cylinder (415).
10. The welding jig is assembled to high box frame of claim 1, characterized in that: the three-stage clamping adjusting mechanism (3) comprises a three-stage motor (31), the front side and the rear side of the upper end surface of the base (1) are fixedly connected with a support (12) with a U-shaped section, and the three-stage motor (31) is fixedly connected to the center of the upper end surface of the support (12);
an output shaft of the three-stage motor (31) penetrates below the bracket (12) and is fixedly connected with a gear (32), the gear (32) is positioned above the first-stage screw rod (243), adjusting plates (33) are arranged on the left side and the right side of the gear (32) in a central symmetry manner, and gear teeth meshed with the gear (32) are uniformly distributed on the inner side surfaces of the adjusting plates (33);
left side the rear end of regulating plate (33) runs through support (12) posterior lateral plate and with rear side one-level brace table (21) fixed connection, right side the front end of regulating plate (33) runs through support (12) anterior lateral plate and with front side one-level brace table (21) fixed connection, and regulating plate (33) all with support (12) anterior lateral plate sliding connection.
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| CN114905194B (en) | 2023-07-28 |
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