CN114633059A - Cabinet body frame welding jig for robot automatic weld - Google Patents
Cabinet body frame welding jig for robot automatic weld Download PDFInfo
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- CN114633059A CN114633059A CN202210132448.3A CN202210132448A CN114633059A CN 114633059 A CN114633059 A CN 114633059A CN 202210132448 A CN202210132448 A CN 202210132448A CN 114633059 A CN114633059 A CN 114633059A
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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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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the technical field of manufacturing equipment, in particular to a cabinet frame welding fixture for automatic robot welding, which comprises a base, an upper cantilever system, a lower cantilever system, a left cantilever system and a right cantilever system, wherein the base is of a frame structure, rotary flanges for driving the welding fixture to integrally rotate are arranged at the left end and the right end of the base, positioning and clamping devices for clamping and positioning all welding parts are arranged at the left end and the right end of the base, the left cantilever system and the right cantilever system are slidably arranged on the front side surface of the base, the positioning and clamping devices are separated from vertical beams vertically arranged at the left end and the right end of the cabinet frame when the left cantilever system and the right cantilever system respectively move towards the left side and the right side, the upper cantilever system and the lower cantilever system are fixedly arranged on the front side surface of the base, the welding gun avoiding space is large, the loading and unloading operation are convenient, the labor load of an operator is low, the production efficiency is high, and the clamping rigidity is strong, the welding deformation is prevented, the welding quality is effectively guaranteed, the welding device is suitable for welding products of various specifications, and the use cost is low.
Description
Technical Field
The invention relates to the technical field of manufacturing equipment, in particular to a cabinet frame welding clamp for automatic robot welding.
Background
The size of a certain model switch board cabinet body is great, quality and outward appearance requirement are high, the frame intensity of its inside support, the required precision is high, need pinpoint to carry out the welding of multiple spot position, requirement for welding jig intensity is high, firm clamping to welding spare part, deformation in the welding process is avoided, simultaneously because the product is great in batches, welding spare part is heavier, conventional welding method clamping work needs four-person cooperation, clamping inefficiency, work load is big, can not stably guarantee clamping positioning accuracy, can not satisfy the robot automatic weld demand. Part welding spot is located cabinet body frame inside, and welder is difficult to get into.
As shown in fig. 1 to 5, the cabinet frame 9 is a cubic frame structure, and includes two parallel side panels: go up lateral plate 97 and lower lateral plate 98, and left front vertical beam 91, left middle vertical beam 92, left back vertical beam 93, rear side vertical beam 94, right front vertical beam 95 and right back vertical beam 96, each vertical beam is connected with two lateral plates are perpendicular, and its both ends are as much as possible with lateral plate butt department solder joint in order to ensure firm welding, go up lateral plate 97 and be equipped with second crossbeam 972 and first crossbeam 971, lower lateral plate 98 is equipped with fourth crossbeam 982 and third crossbeam 981. A weld 99 is located at the junction of the welded components.
Disclosure of Invention
In order to overcome the defects of the existing problems, the invention provides a cabinet frame welding clamp for automatic robot welding.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a cabinet body frame welding jig for automatic welding of robot, includes base, last cantilever system, lower cantilever system, left cantilever system and right cantilever system, the base is frame construction, and both ends all are equipped with the rotary flange that is used for driving the whole gyration of welding jig about it, it is cantilever structure to go up cantilever system, lower cantilever system, left cantilever system and right cantilever system, and all are equipped with the positioning and clamping device who is used for each welding spare part clamping location, left cantilever system and right cantilever system slidable mounting are on the leading flank of base, its positioning and clamping device breaks away from the perpendicular roof beam that sets up about cabinet body frame both ends when left cantilever system and right cantilever system move to the left and right sides respectively, it installs on the leading flank of base to go up cantilever system and lower cantilever system fixed mounting.
It is specific, through setting up frame construction's base and a plurality of cantilever structure's positioning and clamping device, welder dodges the space big, make welder easily contact or get into each side and the inside of cabinet body frame, all can set up the solder joint inside and outside the junction, provide abundant location and firm clamping support for every welding spare part, through setting up the gyration flange, make cabinet body frame can 360 degrees upsets, make things convenient for the handling operation, be convenient for select suitable welding angle, through setting up slidable mounting's left cantilever system and right cantilever system, make things convenient for welding spare part and cabinet body frame finished product handling operation, operator low in labor load, high in production efficiency.
According to another embodiment of the invention, the upper cantilever system comprises an upper cantilever, a first positioning block, a first top column, a first pressing plate, a second positioning block, a second top column, a second pressing plate and a first end face positioning part, wherein the upper cantilever, the first positioning block, the first top column, the first pressing plate, the second positioning block, the second top column, the second pressing plate and the first end face positioning part are symmetrically arranged on the left side and the right side;
the lower cantilever system comprises a lower cantilever, a third positioning block, a third top column, a third pressing plate, a fourth positioning block, a fourth top column, a fourth pressing plate and a second end positioning part, wherein the lower cantilever, the third positioning block, the third top column, the third pressing plate, the fourth positioning block, the fourth pressing plate and the second end positioning part are symmetrically arranged on the left side and the right side;
and the top surfaces of the first positioning block, the second positioning block, the third positioning block and the fourth positioning block are used for coarse positioning. Through setting up special clamping mode, make things convenient for welding spare part and cabinet body frame finished product loading and unloading operation, reduce the manual assembly requirement.
According to another embodiment of the present invention, the left cantilever system further comprises a left cantilever, and a left front positioning groove, a left front pressing plate, a left middle positioning groove, a left middle pressing plate, a left rear positioning groove and a left rear pressing plate which are arranged in an up-down symmetrical manner, the left front positioning groove abuts against the front side surface and the rear side surface of the left front vertical beam, the left front pressing plate abuts against the opposite inner side surface of the left front vertical beam, the left middle positioning groove abuts against the front side surface and the rear side surface of the left middle vertical beam, the left middle pressing plate abuts against the right side surface of the left middle vertical beam, the left rear positioning groove abuts against the front side surface and the rear side surface of the left rear vertical beam, and the left rear pressing plate abuts against the opposite inner side surface of the left rear vertical beam.
According to another embodiment of the present invention, the left cantilever system further comprises a left front pillar and a left rear pillar, which are symmetrically disposed up and down, wherein the left front pillar abuts against an opposite inner side surface of a front side surface of the left front vertical beam, and the left rear pillar abuts against an opposite inner side surface of a left side surface of the left rear vertical beam. Through setting up the clamping mode of location, improve the clamping rigidity of each welding spare part of cabinet body frame, have certain orthopedic effect, improve finished product welding quality.
According to another embodiment of the present invention, the right cantilever system further comprises a right cantilever, and a right front positioning groove, a right front pressing plate, a right rear positioning groove, a right rear pressing plate, a rear positioning groove and a rear pressing plate which are arranged in an up-down symmetrical manner, wherein the right front positioning groove abuts against the front side surface and the rear side surface of the right front vertical beam, the right front pressing plate abuts against the opposite inner side surface of the right front vertical beam, the right rear positioning groove abuts against the left side surface and the rear side surface of the right rear vertical beam, the right rear pressing plate abuts against the opposite inner side surface of the rear side surface of the right rear vertical beam, the rear positioning groove abuts against the left side surface and the rear side surface of the rear vertical beam, and the rear pressing plate abuts against the opposite inner side surface of the rear vertical beam.
According to another embodiment of the invention, the right cantilever system further comprises a right front top pillar which is arranged symmetrically up and down, and the right front top pillar is abutted against the opposite inner side surface of the front side surface of the right front vertical beam.
According to another embodiment of the invention, the positioning and clamping device arranged on the front side of the upper cantilever system, the lower cantilever system, the left cantilever system and the right cantilever system is installed in a sliding mode along the front-back direction. Through setting up slidable mounting's positioning and clamping device, can adjust positioning and clamping device's relative position according to different width product demands, reduce welding jig's use cost, improve product remodeling production efficiency.
According to another embodiment of the invention, the cabinet further comprises a lifting platform for driving the cabinet frame to be lifted integrally to be separated from the upper cantilever system and the lower cantilever system. Through setting up the elevating platform, after accomplishing cabinet body frame finished product welding, can hold up cabinet body frame finished product, make things convenient for the operator to take off the finished product from welding jig.
According to another embodiment of the present invention, the lifting platform further comprises a plurality of lifting cylinders and a sliding rod, the sliding rod is arranged along the front-back direction and fixed at the output end of the lifting cylinders, and the top surface of the sliding rod abuts against the bottom surface of the lower side piece or the upper side piece.
According to another embodiment of the present invention, the upper cantilever system further comprises an upper cantilever, a first positioning block, a first pressing plate, a second positioning block, a second pressing plate and a first end positioning portion, wherein the upper cantilever, the first positioning block, the second pressing plate and the first end positioning portion are symmetrically arranged on the left side and the right side, the first positioning block abuts against the bottom surface and the rear side surface of the second cross beam, the first pressing plate presses the top surface of the second cross beam, the second positioning block abuts against the bottom surface and the front side surface of the first cross beam, the second pressing plate presses the top surface of the first cross beam, and the first end positioning portions respectively abut against the end surfaces of the left end and the right end of the upper side plate;
the lower cantilever system comprises a lower cantilever, a third positioning block, a third pressing plate, a fourth positioning block, a fourth pressing plate and a second end face positioning portion, the left side and the right side of the lower cantilever are symmetrically arranged, the third positioning block is abutted to the bottom face and the rear side face of the fourth cross beam, the third pressing plate is abutted to the top face of the fourth cross beam, the fourth positioning block is abutted to the bottom face of the third cross beam, the fourth pressing plate is pressed against the top face of the third cross beam, and the second end face positioning portion is respectively abutted to the left end face and the right end face of the lower side piece. Through multi-point supporting, positioning and pressing, the clamping rigidity of each welding part of the cabinet body frame is improved, welding deformation is prevented, and welding quality is effectively guaranteed. The pressing points of the pressing blocks are opposite to or close to the supporting points of the positioning blocks, so that the deformation of welding parts caused by clamping force is avoided.
The invention has the advantages that by arranging the base of the frame structure and the positioning and clamping devices of the cantilever structures, the welding gun has large avoiding space, so that the welding gun can easily contact or enter each side surface and the inside of the cabinet body frame, welding spots can be arranged inside and outside the joint, sufficient positioning and stable clamping are provided for each welding part, the cabinet body frame can turn over by 360 degrees by arranging the rotary flange, the assembly and disassembly operation are convenient, the proper welding angle is convenient to select, the assembly and disassembly operation of the welding parts and the cabinet body frame finished product are convenient by arranging the left cantilever system and the right cantilever system which are installed in a sliding way, the labor load of an operator is low, the production efficiency is high, the clamping rigidity is strong, the welding deformation is prevented, the welding quality is effectively ensured, the welding machine can adapt to the welding of products with various specifications, and the use cost is low.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a cabinet frame;
FIG. 2 is another schematic view of the cabinet frame;
FIG. 3 is an enlarged view at O in FIG. 2;
FIG. 4 is an enlarged view at P of FIG. 2;
FIG. 5 is an enlarged view at Q of FIG. 2;
FIG. 6 is a schematic view of the overall structure of the present invention;
FIG. 7 is an enlarged view at A in FIG. 6;
FIG. 8 is an enlarged view at B in FIG. 6;
FIG. 9 is an enlarged view at C of FIG. 6;
FIG. 10 is an enlarged view at D of FIG. 6;
FIG. 11 is another overall structural schematic of the present invention;
FIG. 12 is an enlarged view at E of FIG. 11;
FIG. 13 is an enlarged view at F of FIG. 11;
FIG. 14 is an enlarged view at G of FIG. 11;
FIG. 15 is a schematic view of the right side of the upper boom system;
FIG. 16 is a schematic view of the left side of the upper boom system;
FIG. 17 is a schematic view of the right side of the lower boom system;
FIG. 18 is a schematic view of the left side of the lower boom system;
FIG. 19 is an enlarged view at H of FIG. 18;
FIG. 20 is a schematic view of a portion of the structure of the present invention;
FIG. 21 is an enlarged view at I of FIG. 20;
FIG. 22 is an enlarged view at J of FIG. 20;
FIG. 23 is a schematic view of another embodiment of the present invention;
FIG. 24 is an enlarged view at K of FIG. 23;
fig. 25 is an enlarged view at L in fig. 23.
In the figure, a base 1, an upper cantilever system 2, a lower cantilever system 3, a left cantilever system 4, a right cantilever system 5, a lifting platform 6, a control valve assembly 7, a cabinet body frame 9,
the assembly of the swivel flange 11, the mounting plate 12,
an upper cantilever 21, a first positioning block 22, a first pressing plate 23, a second positioning block 24, a second pressing plate 25, a first end surface positioning part 26, a rear side positioning surface 261, an escape groove 262, a first top column 27, a second top column 28, a sliding plate 29,
a lower cantilever 31, a third positioning block 32, a third pressing plate 33, a third side positioning surface 331, a third upper positioning surface 322, a fourth positioning block 34, a fourth pressing plate 35, a second end surface positioning part 36, a third top column 37, a fourth top column 38,
a left cantilever 41, a left front positioning groove 42, a left front press plate 43, a left middle positioning groove 44, a left middle press plate 45, a left rear positioning groove 46, a left rear press plate 47, a left front top post 48, a left rear top post 49,
a right cantilever 51, a right front positioning groove 52, a right front pressing plate 53, a right rear positioning groove 54, a right rear pressing plate 55, a rear positioning groove 56, a rear pressing plate 57, a right front top post 58,
the lifting cylinder 61, the slide rod 62,
the beam comprises a left front vertical beam 91, a left middle vertical beam 92, a left rear vertical beam 93, a rear vertical beam 94, a right front vertical beam 95, a right rear vertical beam 96, an upper side sheet 97, a first cross beam 971, a second cross beam 972, a lower side sheet 98, a third cross beam 981, a fourth cross beam 982 and a welding line 99.
Detailed Description
As shown in fig. 6-25, which are schematic structural diagrams of the present invention, a cabinet frame welding fixture for automatic robot welding comprises a base 1, an upper cantilever system 2, a lower cantilever system 3, a left cantilever system 4 and a right cantilever system 5, wherein the base 1 is a frame structure, and the left and right ends of the welding fixture are respectively provided with a rotary flange 11 for driving the welding fixture to integrally rotate, the upper cantilever system 2, the lower cantilever system 3, the left cantilever system 4 and the right cantilever system 5 are all in cantilever structures, and are provided with positioning and clamping devices for clamping and positioning all welding parts, the left cantilever system 4 and the right cantilever system 5 are arranged on the front side surface of the base 1 in a sliding way, when the left cantilever system 4 and the right cantilever system 5 move to the left and the right respectively, the positioning and clamping devices thereof are separated from the vertical beams vertically arranged at the left and the right ends of the cabinet body frame 9, and the upper cantilever system 2 and the lower cantilever system 3 are fixedly arranged on the front side surface of the base 1.
As shown in fig. 6, a plurality of mounting plates 12 are fixed on the base 1, a plurality of threaded holes are formed in the mounting plates 12, and the upper cantilever system 2, the lower cantilever system 3, the left cantilever system 4 and the right cantilever system 5 are mounted on the mounting plates 12 through bolts. The left cantilever system 4 and the right cantilever system 5 can be slidably mounted on the mounting plate 12 through the guide rail slider unit and are both driven by the air cylinder, and the mounting plate 12 is further provided with a limiting block so that the left cantilever system 4 and the right cantilever system 5 can be accurately positioned and stopped. The positioning and clamping device generally comprises a positioning block and a pressing plate or a top column which can movably press and release the workpiece.
And neutral positions are arranged between the rotary flange 11 and the left cantilever system 4 and between the rotary flange and the right cantilever system 5, so that an operator can conveniently approach a workpiece and a clamp when the welded part is assembled and disassembled, and the assembling and disassembling operation is convenient.
Preferably, as shown in fig. 15 to 19, the upper cantilever system 2 includes an upper cantilever 21, a first positioning block 22, a first top column 27, a first pressing plate 23, a second positioning block 24, a second top column 28, a second pressing plate 25 and a first end positioning portion 26, which are symmetrically arranged on the left and right sides, the first positioning block 22 abuts against the rear side surface of the second cross beam 972, the first pressing plate 23 presses the opposite inner side surface and the top surface of the rear side surface of the second cross beam 972 tightly, the first top column 27 abuts against the bottom surface of the second cross beam 972, the second positioning block 24 abuts against the rear side surface of the first cross beam 971, the second pressing plate 25 presses the opposite inner side surface and the top surface of the rear side surface of the first cross beam 971 tightly, the second top column 28 abuts against the bottom surface of the first cross beam 971, and the first end positioning portion 26 abuts against the left and right end surfaces of the upper side sheet 97 respectively;
the lower cantilever system 3 comprises a lower cantilever 31, a third positioning block 32, a third top column 37, a third pressing plate 33, a fourth positioning block 34, a fourth top column 38, a fourth pressing plate 35 and a second end positioning part 36 which are symmetrically arranged on the left side and the right side, the third positioning block 32 is abutted against the rear side surface of the fourth cross beam 982, the third pressing plate 33 is abutted against the opposite inner side surface and the top surface of the rear side surface of the fourth cross beam 982, the third top column 37 is abutted against the bottom surface of the fourth cross beam 982, the fourth positioning block 34 is abutted against the bottom surface of the third cross beam 981, the fourth pressing plate 35 is tightly pressed against the opposite inner side surface and the top surface of the rear side surface of the third cross beam 981, the fourth top column 38 is abutted against the bottom surface of the third cross beam 981, and the second end positioning part 36 is respectively abutted against the left end surface and the right end surface of the lower side piece 98;
the top surfaces of the first positioning block 22, the second positioning block 24, the third positioning block 32 and the fourth positioning block 34 are used for coarse positioning.
The rear limiting and lower coarse positioning of the upper side piece 97 are realized through the first positioning block 22 and the second positioning block 24, the front compressing and upper limiting of the upper side piece 97 are realized through the first pressing plate 23 and the second pressing plate 25, and the lower compressing of the upper side piece 97 is realized through the first top pillar 27 and the second top pillar 28;
spacing behind lower lateral plate 98 and the coarse positioning of below are realized through third locating piece 32, fourth locating piece 34, realize compressing tightly in the place ahead of lower lateral plate 98 and spacing of top through third clamp plate 33, fourth clamp plate 35, realize compressing tightly below lower lateral plate 98 through third fore-set 37, fourth fore-set 38.
The second positioning block 24 and the fourth positioning block 34 are both square positioning blocks.
Preferably, as shown in fig. 20, 21, 23, and 24, the left cantilever system 4 includes a left cantilever 41, and a left front positioning groove 42, a left front pressing plate 43, a left middle positioning groove 44, a left middle pressing plate 45, a left rear positioning groove 46, and a left rear pressing plate 47 that are symmetrically arranged in an up-down manner, where the left front positioning groove 42 abuts against a front-rear side surface and a left side surface of the left front vertical beam 91, the left front pressing plate 43 abuts against a relative inner side surface of the left front vertical beam 91, the left middle positioning groove 44 abuts against a front-rear side surface and a left side surface of the left middle vertical beam 92, the left middle pressing plate 45 abuts against a right side surface of the left middle vertical beam 92, the left rear positioning groove 46 abuts against a front-rear side surface and a left side surface of the left rear vertical beam 93, and the left rear pressing plate 47 abuts against a relative inner side surface of the left rear vertical beam 93.
The cross section of the left front vertical beam 91 and the left rear vertical beam 93 is groove-shaped, positioning grooves are formed in the left front positioning groove 42, the left middle positioning groove 44 and the left rear positioning groove 46 in a manner of being matched with the corresponding vertical beams, the left front pressing plate 43 is abutted to the groove of the left front vertical beam 91, and the left rear pressing plate 47 is abutted to the groove of the left rear vertical beam 93.
Preferably, the left cantilever system 4 further includes a left front top pillar 48 and a left rear top pillar 49 which are arranged in an up-down symmetry manner, the left front top pillar 48 abuts against a relative inner side surface of the front side surface of the left front vertical beam 91, and the left rear top pillar 49 abuts against a relative inner side surface of the left rear vertical beam 93.
The leading flank of perpendicular roof beam 91 before a left side and the left side broad of perpendicular roof beam 93 after a left side, through the locating surface of the corresponding constant head tank of extension and increase the fore-set and compress tightly, strengthen the positioning accuracy of perpendicular roof beam 91 before a left side and perpendicular roof beam 93 after a left side to realize certain correction effect, guarantee welding accuracy.
Preferably, as shown in fig. 20, 22, 23 and 25, the right cantilever system 5 includes a right cantilever 51, and a right front positioning groove 52, a right front pressing plate 53, a right rear positioning groove 54, a right rear pressing plate 55, a rear positioning groove 56 and a rear pressing plate 57 which are arranged vertically symmetrically, the right front positioning groove 52 abuts against the front, rear and right side surfaces of the right front vertical beam 95, the right front pressing plate 53 abuts against the opposite inner side surface of the right front vertical beam 95, the right rear positioning groove 54 abuts against the left, right and rear side surfaces of the right rear vertical beam 96, the right rear pressing plate 55 abuts against the opposite inner side surface of the rear side surface of the right rear vertical beam 96, the rear positioning groove 56 abuts against the left, right and rear side surfaces of the rear vertical beam 94, and the rear pressing plate 57 abuts against the opposite inner side surface of the rear vertical beam 94.
The cross sections of the right front vertical beam 95, the right rear vertical beam 96 and the rear vertical beam 94 are groove-shaped, the right front positioning groove 52, the right rear positioning groove 54 and the rear positioning groove 56 are provided with positioning grooves matched with the corresponding vertical beams, and the right front pressing plate 53, the right rear pressing plate 55 and the rear pressing plate 57 are abutted to corresponding grooves.
Preferably, the right cantilever system 5 further comprises right front top pillars 58 symmetrically arranged up and down, and the right front top pillars 58 abut against the opposite inner side surfaces of the front side surfaces of the right front vertical beams 95.
The front surface broad of right front perpendicular roof beam 95 compresses tightly through the locating surface of the corresponding constant head tank of extension and increase fore-set, strengthens right front perpendicular roof beam 95's positioning accuracy to realize micro-correction effect, guarantee welding accuracy.
Preferably, the positioning and clamping device arranged on the front side of the upper cantilever system 2, the lower cantilever system 3, the left cantilever system 4 and the right cantilever system 5 is installed in a sliding manner along the front-back direction.
And the positioning and clamping devices arranged on the front sides of the upper cantilever system 2, the lower cantilever system 3, the left cantilever system 4 and the right cantilever system 5 are slidably arranged on the cantilevers through guide rail sliding block units. So as to adapt to different types of cabinet frames 9 with different front and back widths.
As shown in fig. 15 to 16, in the above suspension system 2, a guide rail is fixed to the front end of the upper suspension arm 21 in the front-rear direction, the upper suspension system 2 is provided with a slide plate 29, a slider is provided below the slide plate 29, and the second positioning block 24, the second jack-post 28, the second presser plate 25, and the first end surface positioning portion 26 are fixed to the slide plate 29. After the position is adjusted, the sliding plate 29 is fixed on the upper cantilever 21 through bolts, and positioning blocks are arranged on the upper cantilever 21 and positioned on the front side and the rear side of the sliding plate 29.
The positions of the positioning and clamping devices arranged on the front sides of the upper cantilever system 2, the lower cantilever system 3, the left cantilever system 4 and the right cantilever system 5 can be adjusted by arranging a plurality of mounting positions at the front end of each cantilever, and the positioning and the locking are realized through pins and screws. So as to adapt to different types of cabinet frames 9 with different front and back widths.
Preferably, as shown in fig. 6, a lifting platform 6 is provided for lifting the cabinet frame 9 integrally to disengage the upper and lower boom systems 2 and 3.
The lifting platform 6 can be fixed on the base 1, the upper boom system 2 or the lower boom system 3.
The lifting platform 6 is a platform capable of moving up and down. Through using elevating platform 6, can drive cabinet body frame 9 wholly to rise in order to break away from or fall into upper cantilever system 2 and lower cantilever system 3 and restrict the location of cabinet body frame 9 in the front and back direction, make things convenient for operating personnel to pull out cabinet body frame 9 outwards along the front and back direction on elevating platform 6.
Preferably, as shown in fig. 17 to 18, the lifting table 6 includes a plurality of lifting cylinders 61 and a sliding rod 62, the sliding rod 62 is disposed along the front-back direction and fixed at the output end of the lifting cylinder 61, and the top surface of the sliding rod 62 abuts against the bottom surface of the lower side piece 98 or the upper side piece 97.
The sliding rod 62 may be a long rod or a rectangular block, and at least one sliding rod is disposed on each of the left and right sides. And the front side and the rear side of the sliding rod 62 are respectively provided with a lifting cylinder 61.
Preferably, as shown in fig. 15 to 19, the upper cantilever system 2 includes an upper cantilever 21, a first positioning block 22, a first pressing plate 23, a second positioning block 24, a second pressing plate 25, and a first end surface positioning portion 26, which are symmetrically disposed on the left and right sides, the first positioning block 22 abuts against the bottom surface and the rear side surface of the second cross beam 972, the first pressing plate 23 presses the top surface of the second cross beam 972, the second positioning block 24 abuts against the bottom surface and the front side surface of the first cross beam 971, the second pressing plate 25 presses the top surface of the first cross beam 971, and the first end surface positioning portion 26 abuts against the left and right end surfaces of the upper side plate 97, respectively;
the lower cantilever system 3 includes a lower cantilever 31, a third positioning block 32, a third pressing plate 33, a fourth positioning block 34, a fourth pressing plate 35 and a second end positioning portion 36, which are symmetrically arranged on the left and right sides, the third positioning block 32 is abutted against the bottom surface and the rear side surface of the fourth cross beam 982, the third pressing plate 33 is abutted against the top surface of the fourth cross beam 982, the fourth positioning block 34 is abutted against the bottom surface of the third cross beam 981, the fourth pressing plate 35 is pressed against the top surface of the third cross beam 981, and the second end positioning portion 36 is respectively abutted against the left and right end surfaces of the lower side piece 98.
As shown in fig. 8 and 22, the first positioning block 22 and the first end surface positioning portion 26 may be provided separately from the upper arm 21 and fixed separately to the front surface of the base 1. The first end surface positioning portion 26 may be provided with a rear side positioning surface 261 abutting against the rear side surface of the second cross member 972 to increase the positioning surface. The first end face locator 26 may be provided with an avoidance slot 262 to avoid the position of the weld 99.
The front and back directions and the lower part of the upper side piece 97 are limited by the first positioning block 22 and the second positioning block 24, and the upper part of the upper side piece 97 is pressed by the first pressing plate 23 and the second pressing plate 25; the limit of the lower side piece 98 in the front-back direction and below is realized through the third positioning block 32 and the fourth positioning block 34, and the compression above the lower side piece 98 is realized through the third pressing plate 33 and the fourth pressing plate 35.
The second positioning block 24 and the fourth positioning block 34 are both L-shaped positioning blocks with shoulder surfaces.
The first pressure plate 23, the second pressure plate 25, the third pressure plate 33 and the fourth pressure plate 35 can be respectively a JCK type strong welding clamping cylinder of the brand of Sudoku or other cylinders of the same brand. The pressing block of each forced welding clamping cylinder is provided with two positioning surfaces which form an angle of 90 degrees, such as the third pressing plate 33 in fig. 19 as an example, which comprises a third side positioning surface 331 and a third upper positioning surface 322.
The lifting cylinder 61, the first top pillar 27, the second top pillar 28, the third top pillar 37 and the fourth top pillar 38 can be ACQ type ultra-thin cylinders of the Sudoku brand or other same type cylinders.
The left middle pressure plate 45, the right front pressure plate 53, the right back pressure plate 55 and the back pressure plate 57 can be QCK type rotary clamping cylinders of the Suideke brand or other cylinders of the same brand.
The left front pressure plate 43 and the left rear pressure plate 47 can be ALC type lever air cylinders of the brand of Suddo or other air cylinders of the same type of the brand.
As shown in fig. 6, the cylinders of the positioning and clamping devices of each cantilever system can be manually controlled by a control valve assembly 7, and the control valve assembly 7 comprises a plurality of groups of control valves, so that the cylinders at each position can be controlled step by step. The control valve assembly 7 may be mounted on the upper boom system 2 or the lower boom system 3.
In use, the lower side pieces 98 are first placed on the lower cantilever system 3 by two persons in cooperation.
To the welding jig who is equipped with elevating platform 6, go up the both sides in front and back of lateral plate 97 and lower lateral plate 98 and all have the locating piece location, through the 90 upsets of third clamp plate 33 and fourth clamp plate 35, compress tightly lower lateral plate 98 from the top. After the welding is completed, the lifting platform 6 is lifted and integrally supports the cabinet frame 9, and an operator can directly pull out the cabinet frame 9 to the outside and take down the cabinet frame 9.
To the welding jig that does not have elevating platform 6, the locating piece does not have the location to the leading flank of lower lateral plate 98, through the 90 upsets of third clamp plate 33 and fourth clamp plate 35, the side locating surface butt of each clamp plate is on the side of lower lateral plate 98, the third crossbeam 981 and the fourth crossbeam 982 of lower lateral plate 98 are fixed totally in the front and back direction, there is little clearance on the last locating surface of each clamp plate and the top surface of lower lateral plate 98, then start lift cylinder 61, the bottom surface of its output butt lower lateral plate 98, jack-up lower lateral plate 98, make its top surface butt the last locating surface of each clamp plate, accomplish the location and the locking of lower lateral plate 98.
Then, the left cantilever system 4 and the right cantilever system 5 are moved to a clamping position, a left front vertical beam 91, a left middle vertical beam 92, a left rear vertical beam 93, a rear vertical beam 94, a right front vertical beam 95 and a right rear vertical beam 96 are sequentially placed on the left side and the right side, the lower end of each vertical beam abuts against the top surface of the lower side plate 98, then the corresponding air cylinder is started, the left middle pressure plate 45, the right front pressure plate 53, the right rear pressure plate 55 and the rear pressure plate 57 rotate by 90 degrees and then press each vertical beam, and the first top pillar 27, the second top pillar 28, the third top pillar 37 and the fourth top pillar 38 are respectively pressed for the second time.
The upper side plate 97 is clamped in the same manner as the lower side plate 98.
By using the welding fixture, the loading and unloading work finished by the cooperation of four persons for about five minutes can be finished easily by only two persons about thirty seconds, so that the production cost is greatly reduced, and the production efficiency is improved. And the welding deformation is small, and the welding quality is stable. The automatic welding robot is suitable for automatic welding production lines of large-batch cabinet body frames.
The contact surfaces of the positioning blocks, the pressing blocks, the top columns and the like and the cabinet body frame 9 can be provided with wear-resisting plates, so that the use wear is delayed, and the positioning and pressing reliability is ensured.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A cabinet frame welding fixture for automatic robot welding is characterized by comprising a base (1), an upper cantilever system (2), a lower cantilever system (3), a left cantilever system (4) and a right cantilever system (5), wherein the base (1) is of a frame structure, rotary flanges (11) for driving the welding fixture to integrally rotate are arranged at the left end and the right end of the base, the upper cantilever system (2), the lower cantilever system (3), the left cantilever system (4) and the right cantilever system (5) are of cantilever structures and are provided with positioning and clamping devices for clamping and positioning welding parts, the left cantilever system (4) and the right cantilever system (5) are slidably mounted on the front side surface of the base (1), and the positioning and clamping devices are separated from vertical beams arranged at the left end and the right end of a cabinet frame (9) when the left cantilever system (4) and the right cantilever system (5) move towards the left side and the right side respectively, the upper cantilever system (2) and the lower cantilever system (3) are fixedly arranged on the front side surface of the base (1).
2. The cabinet frame welding fixture for the automatic robot welding according to claim 1, wherein the upper cantilever system (2) comprises an upper cantilever (21), a first positioning block (22), a first top column (27), a first pressing plate (23), a second positioning block (24), a second top column (28), a second pressing plate (25) and a first end positioning part (26), the upper cantilever and the lower cantilever are symmetrically arranged on the left side and the right side, the first positioning block (22) abuts against the rear side surface of the second cross beam (972), the first pressing plate (23) presses the opposite inner side surface and the top surface of the rear side surface of the second cross beam (972), the first top column (27) abuts against the bottom surface of the second cross beam (972), the second positioning block (24) abuts against the rear side surface of the first cross beam (971), the second pressing plate (25) presses the opposite inner side surface and the top surface of the rear side surface of the first cross beam (971), the second top column (28) is abutted against the bottom surface of the first cross beam (971), and the first end surface positioning parts (26) are respectively abutted against the left end surface and the right end surface of the upper side sheet (97);
the lower cantilever system (3) comprises a lower cantilever (31), a third positioning block (32), a third top column (37), a third pressing plate (33), a fourth positioning block (34), a fourth top column (38), a fourth pressing plate (35) and a second end surface positioning part (36) which are symmetrically arranged on the left side and the right side, the third positioning block (32) is abutted against the rear side surface of the fourth beam (982), the third pressure plate (33) is abutted against the opposite inner side surface and the top surface of the rear side surface of the fourth beam (982), the third top column (37) is abutted against the bottom surface of the fourth beam (982), the fourth positioning block (34) is abutted against the bottom surface of the third beam (981), the fourth pressing plate (35) presses the opposite inner side surface and the top surface of the rear side surface of the third beam (981), the fourth top column (38) is abutted against the bottom surface of the third cross beam (981), and the second end surface positioning parts (36) are respectively abutted against the left end surface and the right end surface of the lower side sheet (98);
the top surfaces of the first positioning block (22), the second positioning block (24), the third positioning block (32) and the fourth positioning block (34) are used for coarse positioning.
3. The welding jig for the frame of the cabinet for the automatic welding by the robot as set forth in claim 1, the left cantilever system (4) comprises a left cantilever (41), a left front positioning groove (42), a left front pressing plate (43), a left middle positioning groove (44), a left middle pressing plate (45), a left rear positioning groove (46) and a left rear pressing plate (47) which are arranged in an up-and-down symmetrical manner, the left front positioning groove (42) is abutted against the front side surface, the rear side surface and the left side surface of the left front vertical beam (91), the left front pressure plate (43) is abutted against the opposite inner side surface of the left front vertical beam (91), the left middle positioning groove (44) is abutted against the front side surface, the rear side surface and the left side surface of the left middle vertical beam (92), the left middle pressure plate (45) is abutted against the right side surface of the left middle vertical beam (92), the left rear positioning groove (46) is abutted against the front side surface, the rear side surface and the left side surface of the left rear vertical beam (93), the left rear pressing plate (47) is abutted to the opposite inner side face of the left rear vertical beam (93).
4. The welding jig for the cabinet frame for the automatic welding by the robot according to claim 3, wherein the left cantilever system (4) further comprises a left front top pillar (48) and a left rear top pillar (49) which are arranged in an up-down symmetrical manner, the left front top pillar (48) abuts against the opposite inner side surface of the front side surface of the left front vertical beam (91), and the left rear top pillar (49) abuts against the opposite inner side surface of the left rear vertical beam (93).
5. The welding jig for the frame of the cabinet for the automatic welding by the robot as set forth in claim 1, the right cantilever system (5) comprises a right cantilever (51), a right front positioning groove (52), a right front pressing plate (53), a right rear positioning groove (54), a right rear pressing plate (55), a rear positioning groove (56) and a rear pressing plate (57) which are arranged in an up-down symmetrical manner, the right front positioning groove (52) is abutted against the front and back side surfaces and the right side surface of the right front vertical beam (95), the right front pressure plate (53) is abutted against the opposite inner side surface of the right front vertical beam (95), the right rear positioning groove (54) is abutted against the left and right side surfaces and the rear side surface of the right rear vertical beam (96), the right rear pressure plate (55) is abutted against the opposite inner side surface of the rear side surface of the right rear vertical beam (96), the rear positioning groove (56) is abutted against the left and right side surfaces and the rear side surface of the rear vertical beam (94), the rear side pressing plate (57) is abutted against the opposite inner side surface of the rear side vertical beam (94).
6. The cabinet frame welding fixture for automatic robot welding according to claim 5, wherein the right cantilever system (5) further comprises right front top pillars (58) symmetrically arranged up and down, and the right front top pillars (58) abut against opposite inner side surfaces of the front side surfaces of the right front vertical beams (95).
7. The welding fixture for the cabinet frame for the robot automatic welding according to claim 1, wherein the positioning and clamping devices arranged at the front sides of the upper cantilever system (2), the lower cantilever system (3), the left cantilever system (4) and the right cantilever system (5) are installed in a sliding manner along the front-back direction.
8. The welding fixture for the cabinet frame for the automatic robot welding according to claim 1, wherein a lifting platform (6) is provided for driving the cabinet frame (9) to be lifted integrally to be separated from the upper cantilever system (2) and the lower cantilever system (3).
9. The cabinet frame welding fixture for the robot automatic welding according to claim 8, wherein the lifting table (6) comprises a plurality of lifting cylinders (61) and sliding rods (62), the sliding rods (62) are arranged in the front-back direction and fixed at the output ends of the lifting cylinders (61), and the top surfaces of the sliding rods (62) abut against the bottom surfaces of the lower side pieces (98) or the upper side pieces (97).
10. The welding fixture for the cabinet frame for the automatic robot welding according to claim 8, wherein the upper cantilever system (2) comprises an upper cantilever (21), a first positioning block (22), a first pressing plate (23), a second positioning block (24), a second pressing plate (25) and a first end surface positioning portion (26), the upper cantilever (21), the first positioning block (22), the first pressing plate (23), the second positioning block (24), the second pressing plate (25) and the first end surface positioning portion (26) are symmetrically arranged on the left side and the right side, the first positioning block (22) abuts against the bottom surface and the rear side of the second cross beam (972), the first pressing plate (23) presses the top surface of the second cross beam (972), the second positioning block (24) abuts against the bottom surface and the front side of the first cross beam (971), the second pressing plate (25) presses the top surface of the first cross beam (971), and the first end surface positioning portion (26) abuts against the left end surface and the right end surface of the upper side sheet (97) respectively;
lower cantilever system (3) includes lower cantilever (31), third locating piece (32), third clamp plate (33), fourth locating piece (34), fourth clamp plate (35) and second terminal surface location portion (36) that left and right sides symmetry set up, bottom surface and the trailing flank of third locating piece (32) butt fourth crossbeam (982), the top surface of third clamp plate (33) butt fourth crossbeam (982), the bottom surface of fourth locating piece (34) butt third crossbeam (981), fourth clamp plate (35) compress tightly the top surface of third crossbeam (981), both ends terminal surface about second terminal surface location portion (36) butt lower lateral piece (98) respectively.
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| CN202210132448.3A CN114633059B (en) | 2022-02-14 | 2022-02-14 | Cabinet frame welding fixture for robot automatic welding |
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| CN202210132448.3A CN114633059B (en) | 2022-02-14 | 2022-02-14 | Cabinet frame welding fixture for robot automatic welding |
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| CN114633059B CN114633059B (en) | 2023-10-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115740844A (en) * | 2022-10-13 | 2023-03-07 | 上海国防科技开发总公司 | High-efficient hurdle weldment work station |
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| CN115740844A (en) * | 2022-10-13 | 2023-03-07 | 上海国防科技开发总公司 | High-efficient hurdle weldment work station |
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| CN114633059B (en) | 2023-10-13 |
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