CN112025196A - Robot welding quick change frock - Google Patents
Robot welding quick change frock Download PDFInfo
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- CN112025196A CN112025196A CN202010997993.XA CN202010997993A CN112025196A CN 112025196 A CN112025196 A CN 112025196A CN 202010997993 A CN202010997993 A CN 202010997993A CN 112025196 A CN112025196 A CN 112025196A
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- 238000003466 welding Methods 0.000 title claims abstract description 46
- 230000007704 transition Effects 0.000 claims abstract description 74
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000007634 remodeling Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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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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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention provides a robot welding quick-change tool which comprises a transition disc assembly, a tool bottom plate, a first rotating pressure plate assembly, a second rotating pressure plate assembly, a first quick-change pressure plate, a second quick-change pressure plate and a hook-shaped pressure plate. The transition disc assembly is connected with the positioner base and the bottom plate of the robot, a workpiece is fixed on the bottom plate, and the bottom plate is enlarged and thickened, so that the clamping range of the positioner base can be enlarged; the rotary pressing plate assembly, the quick-change pressing plate and the hook-shaped pressing plate are adopted, so that the workpiece can be quickly reshaped; the second rotary pressing plate assembly is matched with the positioning block, and clamping and positioning integrated operation of the workpiece can be achieved. The invention can solve the problems that the robot is displaced, the base is small, and the size of a welding part is limited, and through reasonable positioning and clamping, the rapid clamping and dismounting of a workpiece are implemented by adopting the rapid-changing pressing plate, and the welding quality is ensured and the welding efficiency is improved by combining advanced welding equipment.
Description
Technical Field
The invention belongs to the technical field of welding, and particularly relates to a robot welding quick-change tool.
Background
The appearance quality of a welding seam obtained by manual welding is poor, the position of a workpiece needs to be changed continuously, and the welding is completed by the aid of hoisting equipment, so that the operation is inconvenient, and the welding efficiency is low. When the robot is used for welding, a tool with reasonable design is needed, the tool requirement accords with the characteristics of a workpiece, and the robot can be connected with a robot base to facilitate welding. The robot base carousel that uses at present is little, can not adapt to the welding of major part, needs the quick change frock of robot welding of development.
Disclosure of Invention
Technical problem to be solved
The invention provides a robot welding quick-change tool, which aims to solve the technical problem that a turntable of a robot base is small and cannot adapt to large-piece welding.
(II) technical scheme
In order to solve the technical problem, the invention provides a robot welding quick-change tool which comprises a transition disc assembly, a tool bottom plate, a first rotating pressure plate assembly, a second rotating pressure plate assembly, a first quick-change pressure plate, a second quick-change pressure plate and a hook-shaped pressure plate; wherein the content of the first and second substances,
the transition disc assembly comprises a transition disc top plate, a transition disc bottom plate, a circular cylinder and a reinforcing rib plate; the transition disc top plate is connected with the transition disc bottom plate through a circular cylinder and a plurality of reinforcing rib plates; the central position of the circular cylinder is aligned with the central positions of the transition disc top plate and the transition disc bottom plate and is used for connecting the transition disc top plate and the transition disc bottom plate; a plurality of reinforcing rib plates are connected between the transition disc top plate and the transition disc bottom plate, and the reinforcing rib plates, the circular cylinder, the transition disc top plate and the transition disc bottom plate jointly form a transition disc assembly; the lower surface of the transition disc bottom plate is provided with an excircle boss which is used for being matched with a positioning spigot of a robot positioner base; a plurality of unthreaded holes are formed in the bottom plate of the transition disc and are connected and fastened with threaded holes of a base of the robot positioner through a connecting assembly;
a plurality of unthreaded holes are formed in the tool bottom plate and are fixedly connected with threaded holes of the transition disc top plate through the connecting assembly; the tool bottom plate is provided with a first rotating pressure plate assembly, a second rotating pressure plate assembly, a first quick-change pressure plate, a second quick-change pressure plate and a hook-shaped pressure plate; wherein the content of the first and second substances,
according to the appearance of the welding part and the arrangement of the pressing points, the first rotating pressing plate assembly and the second rotating pressing plate assembly are respectively positioned in the X direction and the Y direction corresponding to the coordinates of the welding positioner, and the rotating arms of the rotating pressing plates of the first rotating pressing plate assembly and the second rotating pressing plate assembly are different in length; the first rotating pressing plate assembly and the second rotating pressing plate assembly respectively comprise a rotating pressing plate bottom plate, a positioning shaft, a spacer bush, a rotating pressing plate, a pressing screw and a pressing block; the positioning shaft is fixedly connected with the rotary pressing plate bottom plate, the rotary pressing plate bottom plate is fixedly connected with the tool bottom plate through a hinged hole bolt, and the rotary pressing plate bottom plate is positioned and pressed through the hinged hole bolt and a gasket; the rotating pressing plate bottom plate positions the bottom edge of the workpiece through the positioning edge; a connecting thread is processed on the positioning shaft; a shaft sleeve sleeved on the positioning shaft is welded at the fixed end of the rotating arm of the rotating pressure plate, and the shaft sleeve and the positioning shaft are in clearance fit, so that the rotating pressure plate can rotate around the positioning shaft; the top of the positioning shaft is provided with a gasket and a nut which are used for fixing and loosening the rotation of the rotating pressing plate; a threaded sleeve is welded at the movable end of the rotating arm of the rotating pressure plate, and a compression screw is screwed into the threaded sleeve through threads on the side part; the head of the compression screw is screwed into the pressing block through the threads by rotating the compression screw in the threaded sleeve, and the pressing block is propped against the pressing block through the compression screw and the end surface of the inner groove of the pressing block so as to compress the workpiece;
the first quick-change pressure plate and the second quick-change pressure plate are respectively arranged at the positions, provided with round holes or square holes, of the tooling bottom plate; the first quick-change pressing plate is oblong, a first long groove is formed in the first quick-change pressing plate, a first hole is formed in the tail end of the first long groove, and the aperture of the first hole is larger than the width of the first long groove and larger than the overall dimension of the hexagon nut, so that the first quick-change pressing plate can be conveniently and quickly disassembled; the equal-length stud penetrates through a first long groove of the first quick-change press plate, one end of the equal-length stud is fixedly connected with the tool bottom plate through a hexagon nut, and the other end of the equal-length stud fixes the first quick-change press plate through two hexagon thin nuts, so that the first quick-change press plate can press a workpiece; the two hexagonal thin nuts are loosened, the first quick-change pressing plate is moved, and the first quick-change pressing plate can be directly installed and disassembled through the first hole, so that quick type change is realized; the second quick-change pressing plate is rectangular, a second long groove is formed in the second quick-change pressing plate, a second hole is formed in the tail end of the second long groove, and the aperture of the second hole is larger than the overall dimension of the hexagon head bolt; the hexagonal head bolt penetrates through a second long groove of the second quick-change pressing plate, and the hexagonal head bolt is directly connected with the tool bottom plate through threads, so that the second quick-change pressing plate can press a workpiece, the hexagonal head bolt is loosened, the second quick-change pressing plate is moved, and the second quick-change pressing plate can be directly installed and detached through the second hole, and quick remodeling is realized;
the hook-shaped pressing plate is used for pressing an inner side bottom plate of a workpiece which has a closed shape and is not suitable for being clamped from the outer side; the main body of the hook-shaped pressure plate is provided with a hook-shaped structure, the lower part of the main body is provided with a threaded screw, and the threaded screw penetrates through a through hole in the tool bottom plate and is fastened from the back of the tool bottom plate through a nut, so that the main body can compress a workpiece; the handle is arranged on the back of the tool bottom plate, is connected with the screw rod of the hook-shaped pressing plate and is used for rotating the main body of the hook-shaped pressing plate.
Furthermore, the circular cylinder body is connected with the top plate and the bottom plate of the transition disc in a welding mode.
Furthermore, a plurality of reinforcing rib plates are uniformly distributed around the circular cylinder.
Further, the diameter of the top plate of the transition disc is larger than that of the bottom plate of the transition disc.
Further, the thickness and the diameter of the tooling bottom plate are both larger than those of the transition disc top plate.
Furthermore, a positioning block is further arranged on the tool bottom plate, is arranged on one side corresponding to the arc edge of the workpiece and is matched with the rotary pressing plate assembly for use, and is used for positioning the workpiece.
Furthermore, the positioning shaft and the rotating pressing plate bottom plate are integrated in a welding mode.
(III) advantageous effects
The invention provides a robot welding quick-change tool which comprises a transition disc assembly, a tool bottom plate, a first rotating pressure plate assembly, a second rotating pressure plate assembly, a first quick-change pressure plate, a second quick-change pressure plate and a hook-shaped pressure plate. The transition disc assembly is connected with the positioner base and the bottom plate of the robot, a workpiece is fixed on the bottom plate, and the bottom plate is enlarged and thickened, so that the clamping range of the positioner base can be enlarged; the rotary pressing plate assembly, the quick-change pressing plate and the hook-shaped pressing plate are adopted, so that the workpiece can be quickly reshaped; the second rotary pressing plate assembly is matched with the positioning block, and clamping and positioning integrated operation of the workpiece can be achieved. The invention can solve the problems that the robot is displaced, the base is small, and the size of a welding part is limited, and through reasonable positioning and clamping, the rapid clamping and dismounting of a workpiece are implemented by adopting the rapid-changing pressing plate, and the welding quality is ensured and the welding efficiency is improved by combining advanced welding equipment.
Drawings
Fig. 1 is a schematic view of an overall structure of a robot welding quick-change tool in an embodiment of the invention: (a) front view, (B) top view, (c) view a-a, (d) view B-B;
FIG. 2 is a schematic structural diagram of a transition disk assembly according to an embodiment of the present invention: (a) front view, (b) top view, (c) bottom view;
FIG. 3 is a schematic structural view of a rotating platen assembly according to an embodiment of the present invention: (a) front view, (b) view a-a, (c) side view;
fig. 4 is a schematic structural view of a first quick-change pressure plate in the embodiment of the present invention: (a) a front view, (b) a top view;
fig. 5 is a schematic view of the installation of the first quick-change pressure plate in the embodiment of the present invention: (a) a front view, (b) a top view;
fig. 6 is a schematic structural view of a second quick-change pressure plate in the embodiment of the present invention: (a) a front view, (b) a top view;
fig. 7 is a schematic view of the installation of a second quick-change pressure plate in the embodiment of the present invention: (a) a front view, (b) a top view;
FIG. 8 is a schematic view of a hook-shaped press plate according to an embodiment of the present invention: (a) front view, (b) top view.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
The present embodiment provides a robot welding quick-change tool, which has a structure as shown in fig. 1, and mainly includes a transition plate assembly 1, a tool bottom plate 5, first and second rotating platen assemblies 6 and 21, first and second quick- change platens 15 and 16, a hook-shaped platen 18, and a positioning block 24.
As shown in figure 2, the transition disc assembly 1 comprises a transition disc top plate 1-1, a transition disc bottom plate 1-2, a circular cylinder 1-3 and reinforcing rib plates 1-4. Wherein, the transition disc top plate 1-1 is connected with the transition disc bottom plate 1-2 through a circular cylinder 1-3 and four reinforcing rib plates 1-4. The center position of the circular cylinder 1-3 is aligned with the center positions of the transition disc top plate 1-1 and the transition disc bottom plate 1-2, and is used for connecting the transition disc top plate 1-1 and the transition disc bottom plate 1-2, and the circular cylinder 1-3, the transition disc top plate 1-1 and the transition disc bottom plate 1-2 are integrally formed in a welding mode. Four reinforcing rib plates 1-4 are connected between the transition disc top plate 1-1 and the transition disc bottom plate 1-2 and are uniformly distributed around the circular cylinder 1-3 to play a role in supporting and reinforcing. The reinforcing rib plates 1-4, the circular cylinder bodies 1-3, the transition disc top plate 1-1 and the transition disc bottom plate 1-2 form a transition disc assembly 1 together in a welding mode. The lower surface of the transition disc bottom plate 1-2 is provided with an excircle boss with the diameter of D, and the excircle boss is used for being matched with a positioning spigot of a robot positioner base. A plurality of unthreaded holes are formed in the transition disc base plate 1-2 and are connected and fastened with a threaded hole of a robot positioner base through a first connecting assembly (comprising an inner hexagon screw 2, a flat washer 3 and a spring washer 4). The diameter of the transition disc top plate 1-1 is larger than that of the transition disc bottom plate 1-2, and the clamping range of the robot positioner base can be expanded by using the transition disc top plate 1-1 with the increased diameter.
The tool bottom plate 5 is provided with a plurality of unthreaded holes, and the unthreaded holes are tightly connected with threaded holes of the transition disc top plate 1-1 through a second connecting assembly (comprising an inner hexagonal countersunk head screw 7, an outer hexagonal bolt 8, an outer hexagonal bolt 9, a flat washer 10 and a spring washer 11). The thickness and the diameter of the tool bottom plate 5 are both larger than those of the transition disc top plate 1-1. The tool bottom plate 5 is provided with a first rotating platen assembly 6, a second rotating platen assembly 21, a first quick-change platen 15, a second quick-change platen 16 and a hook-shaped platen 18. Wherein the first and second rotary platen assemblies 6 and 21 are respectively positioned in the X and Y directions corresponding to the coordinates of the welding positioner according to the shape of the welded part. The first quick-change pressure plate 15 and the second quick-change pressure plate 16 are respectively arranged at the positions, provided with the round holes or the square holes, of the tooling bottom plate 5. The hook-shaped pressing plate 18 is used for pressing a workpiece having a closed shape and not suitable for being clamped from the outside, and pressing an inner bottom plate of the workpiece having the closed shape. Furthermore, the method is simple. The tool bottom plate 5 is further provided with a positioning block 24, and the positioning block 24 is arranged on one side corresponding to the arc edge of the workpiece, is matched with the second rotary pressing plate assembly 21 for use, and is used for positioning the workpiece in the X direction. The positioning block 24 is fixed on the tool bottom plate 5 through a hinge hole bolt 22 and a washer 23.
As shown in FIG. 3, the first rotary platen assembly 6 and the second rotary platen assembly 21 each include a rotary platen base plate 6-1, a positioning shaft 6-2, a spacer 6-3, a rotary platen 6-4, a compression screw 6-5, and a pressing block 6-6. The positioning shaft 6-2 and the rotating pressing plate bottom plate 6-1 are integrated in a welding mode, the rotating pressing plate bottom plate 6-1 and the tool bottom plate 5 are fixedly connected through the hexagonal head hinged hole bolt 22, and the rotating pressing plate bottom plate 6-1 is positioned and pressed through the hexagonal head hinged hole bolt 22 and the gasket 23. The rotary press plate bottom plate 6-1 positions the bottom edge of the workpiece through the positioning edge. The positioning shaft 6-2 is provided with a connecting thread. A shaft sleeve sleeved on the positioning shaft 6-2 is welded at the fixed end of the rotating arm of the rotating pressure plate 6-4, and the shaft sleeve is in clearance fit with the positioning shaft 6-2, so that the rotating pressure plate 6-4 can rotate around the positioning shaft 6-2. The top of the positioning shaft 6-2 is provided with a gasket 6-7 and a nut 6-8 for fixing and loosening the rotation of the rotating pressing plate 6-4. The movable end of the rotating arm of the rotating pressure plate 6-4 is welded with a threaded sleeve, and the compression screw 6-5 is screwed into the threaded sleeve through threads on the side part. When the pressing device is used, the pressing screw 6-5 rotates in the threaded sleeve, the head of the pressing screw 6-5 is screwed into the pressing block 6-6 through threads, and the pressing screw 6-5 and the end face of the inner groove of the pressing block 6-6 support against the pressing block 6-6 to press a workpiece. The rotary pressing plate 6-4 can rotate, and through the tightness of the nut 6-8 and the rotation of the rotary pressing plate 6-4, a workpiece can be quickly clamped and loosened by utilizing the compression screw 6-5 and the pressing block 6-6, so that the quick model change is realized.
The rotating arms of the rotating platens of the first rotating platen assembly 6 and the second rotating platen assembly 21 are different lengths depending on the profile of the welded components and the arrangement of the pinch points. The rotary pressing plate has a positioning and clamping integrated function, and the second rotary pressing plate assembly 21 positions the workpiece in the Y direction through the bottom edge of the second rotary pressing plate assembly.
The first quick-change pressure plate 15 and the second quick-change pressure plate 16 are respectively arranged at the positions, provided with round holes or square holes, of the tooling bottom plate 5. As shown in fig. 4, the first quick-change pressing plate 15 is oblong, a first long groove with a width b1 is formed on the first quick-change pressing plate, a first hole is formed at the tail end of the first long groove, and an aperture d1 of the first hole is larger than the width of the first long groove and larger than the external dimension of the hexagon nut 13, so that the first quick-change pressing plate 15 can be quickly disassembled and assembled.
As shown in fig. 5, the equal-length stud 12 passes through the first long slot of the first quick-change press plate 15, one end of the equal-length stud 12 is fixedly connected with the tool bottom plate 5 through a hexagon nut 13, and the other end of the equal-length stud 12 fixes the first quick-change press plate 15 through two hexagon thin nuts 14, so that the first quick-change press plate 15 can press the workpiece. Two hexagonal thin nuts 14 are loosened, the first quick-change pressing plate 15 is moved, and the first quick-change pressing plate 15 can be directly installed and detached through the first hole, so that quick model change is realized.
As shown in fig. 6, the second quick-change press plate 16 is rectangular, and has a long groove with a width b2, the end of the long groove is provided with a second hole, and the diameter d2 of the second hole is larger than the external dimension of the hexagon head bolt 17.
As shown in fig. 7, the hexagon head bolt 17 passes through the long slot of the second quick-change press plate 16, and the hexagon head bolt 17 is directly connected with the tool bottom plate 5 through threads, so that the second quick-change press plate 16 can press the workpiece. And the hexagon head bolt 17 is loosened, the second quick-change pressing plate 16 is moved, and the second quick-change pressing plate 16 can be directly installed and detached through the second hole, so that the quick model change is realized.
As shown in fig. 8, the hook-shaped pressing plate 18 has a hook-shaped body, the lower part of the body is a threaded rod, and the threaded rod passes through a through hole on the tool bottom plate 5 and is fastened from the back of the tool bottom plate 5 through a nut 19, so that the body can press a workpiece. The handle 20 is arranged on the back of the tool bottom plate 5, is connected with the screw rod of the hook-shaped pressing plate 18 and is used for rotating the main body of the hook-shaped pressing plate 18. The hook-shaped pressure plate 18 is specially constructed to facilitate operation from the lower portion of the tool bottom plate 5, and is suitable for structures that cannot be operated from the front due to structural limitations of workpieces and need to be screwed from the lower portion, such as rapid compression and removal of parts having a closed profile.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A robot welding quick-change tool is characterized by comprising a transition disc assembly, a tool bottom plate, a first rotating pressure plate assembly, a second rotating pressure plate assembly, a first quick-change pressure plate, a second quick-change pressure plate and a hook-shaped pressure plate; wherein the content of the first and second substances,
the transition disc assembly comprises a transition disc top plate, a transition disc bottom plate, a circular cylinder and reinforcing rib plates; the transition disc top plate is connected with the transition disc bottom plate through a circular cylinder and a plurality of reinforcing rib plates; the central position of the circular cylinder is aligned with the central positions of the transition disc top plate and the transition disc bottom plate and is used for connecting the transition disc top plate and the transition disc bottom plate; a plurality of reinforcing rib plates are connected between the transition disc top plate and the transition disc bottom plate, and the reinforcing rib plates, the circular cylinder, the transition disc top plate and the transition disc bottom plate jointly form a transition disc assembly; the lower surface of the transition disc bottom plate is provided with an excircle boss which is used for being matched with a positioning spigot of a robot positioner base; a plurality of unthreaded holes are formed in the bottom plate of the transition disc and are connected and fastened with threaded holes of a base of the robot positioner through a connecting assembly;
the tool bottom plate is provided with a plurality of unthreaded holes and is fixedly connected with the threaded holes of the transition disc top plate through the connecting assembly; the tool bottom plate is provided with a first rotating pressure plate assembly, a second rotating pressure plate assembly, a first quick-change pressure plate, a second quick-change pressure plate and a hook-shaped pressure plate; wherein the content of the first and second substances,
according to the appearance of the welding part and the arrangement of the pressing points, the first rotating pressing plate assembly and the second rotating pressing plate assembly are respectively positioned in the X direction and the Y direction corresponding to the coordinates of the welding positioner, and the rotating arms of the rotating pressing plates of the first rotating pressing plate assembly and the second rotating pressing plate assembly are different in length; the first rotating pressing plate assembly and the second rotating pressing plate assembly respectively comprise a rotating pressing plate bottom plate, a positioning shaft, a spacer bush, a rotating pressing plate, a pressing screw and a pressing block; the positioning shaft is fixedly connected with the rotary pressing plate bottom plate, the rotary pressing plate bottom plate is fixedly connected with the tool bottom plate through a hinged hole bolt, and the rotary pressing plate bottom plate is positioned and pressed through the hinged hole bolt and a gasket; the rotary pressing plate bottom plate positions the bottom edge of the workpiece through the positioning edge; a connecting thread is processed on the positioning shaft; a shaft sleeve sleeved on the positioning shaft is welded at the fixed end of the rotating arm of the rotating pressure plate, and the shaft sleeve and the positioning shaft are in clearance fit, so that the rotating pressure plate can rotate around the positioning shaft; the top of the positioning shaft is provided with a gasket and a nut which are used for fixing and loosening the rotation of the rotating pressing plate; a threaded sleeve is welded at the movable end of the rotating arm of the rotating pressure plate, and the compression screw is screwed into the threaded sleeve through threads on the side part; the head of the compression screw is screwed into the pressing block through the threads by rotating the compression screw in the threaded sleeve, and the pressing block is propped against the pressing block through the compression screw and the end surface of the inner groove of the pressing block so as to compress the workpiece;
the first quick-change pressure plate and the second quick-change pressure plate are respectively arranged at the positions, provided with round holes or square holes, of the tool bottom plate; the first quick-change pressing plate is oblong, a first long groove is formed in the first quick-change pressing plate, a first hole is formed in the tail end of the first long groove, and the aperture of the first hole is larger than the width of the first long groove and larger than the overall dimension of the hexagon nut, so that the first quick-change pressing plate can be conveniently and quickly disassembled; the equal-length stud penetrates through a first long groove of the first quick-change press plate, one end of the equal-length stud is fixedly connected with the tool bottom plate through a hexagon nut, and the other end of the equal-length stud fixes the first quick-change press plate through two hexagon thin nuts, so that the first quick-change press plate can press a workpiece; the two hexagonal thin nuts are loosened, the first quick-change pressing plate is moved, and the first quick-change pressing plate can be directly installed and disassembled through the first hole, so that quick type change is realized; the second quick-change pressure plate is rectangular, a second long groove is formed in the second quick-change pressure plate, a second hole is formed in the tail end of the second long groove, and the aperture of the second hole is larger than the overall dimension of the hexagon head bolt; the hexagonal head bolt penetrates through a second long groove of the second quick-change pressing plate, and the hexagonal head bolt is directly connected with the tool bottom plate through threads, so that the second quick-change pressing plate can press a workpiece, the hexagonal head bolt is loosened, the second quick-change pressing plate is moved, and the second quick-change pressing plate can be directly installed and detached through the second hole, and quick remodeling is realized;
the hook-shaped pressing plate is used for pressing an inner side bottom plate of a workpiece which has a closed shape and is not suitable for being clamped from the outer side; the main body of the hook-shaped pressure plate is provided with a hook-shaped structure, the lower part of the main body is provided with a threaded screw, and the threaded screw penetrates through a through hole in the tool bottom plate and is fastened from the back of the tool bottom plate through a nut, so that the main body can compress a workpiece; the handle is arranged on the back of the tool bottom plate, is connected with the screw rod of the hook-shaped pressing plate and is used for rotating the main body of the hook-shaped pressing plate.
2. The robot welding quick-change tool according to claim 1, wherein the circular cylinder is connected with the transition disc top plate and the transition disc bottom plate in a welding mode.
3. The robot welding quick-change tool according to claim 1, wherein the plurality of reinforcing rib plates are uniformly distributed around the circular cylinder.
4. The robot welding quick change tooling of claim 1, wherein the diameter of the top plate of the transition disc is larger than the diameter of the bottom plate of the transition disc.
5. The robot welding quick-change tool according to claim 1, wherein the thickness and the diameter of the tool bottom plate are larger than those of the transition disc top plate.
6. The robot welding quick-change tool according to claim 1, wherein a positioning block is further arranged on the tool bottom plate, and the positioning block is arranged on one side corresponding to the arc edge of the workpiece and is matched with the rotary pressing plate assembly for positioning the workpiece.
7. The robot welding quick-change tool according to claim 1, wherein the positioning shaft and the rotating pressing plate bottom plate are integrated in a welding mode.
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| CN202010997993.XA CN112025196B (en) | 2020-09-21 | 2020-09-21 | Robot welding quick change frock |
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| CN201168885Y (en) * | 2008-04-08 | 2008-12-24 | 宁波跃进汽车前桥有限公司 | Rapid screw compressing apparatus |
| CN202006354U (en) * | 2011-03-21 | 2011-10-12 | 南京雷尔伟新技术有限公司 | Traction-bolster slow welding fixture |
| CN106541243A (en) * | 2016-12-07 | 2017-03-29 | 北京北方车辆集团有限公司 | Seat assembly welds position-changing clamp |
| CN108422145A (en) * | 2018-04-19 | 2018-08-21 | 北京石油化工学院 | A kind of large size adjustable frame structure welding fixture |
| CN208450949U (en) * | 2018-05-06 | 2019-02-01 | 海克力斯（上海）自动化设备有限公司 | A kind of intercooler welding tooling |
| CN212599984U (en) * | 2020-09-21 | 2021-02-26 | 北京北方车辆集团有限公司 | Robot welding quick change frock |
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| CN112025196B (en) | 2024-06-11 |
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