CN118492813A - Welding tool for robot of elevator bracket without machine room - Google Patents
Welding tool for robot of elevator bracket without machine room Download PDFInfo
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- CN118492813A CN118492813A CN202410774710.3A CN202410774710A CN118492813A CN 118492813 A CN118492813 A CN 118492813A CN 202410774710 A CN202410774710 A CN 202410774710A CN 118492813 A CN118492813 A CN 118492813A
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- 238000003466 welding Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 63
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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Abstract
The invention discloses a robot welding tool for a bracket of an elevator without a machine room, which comprises a clamping assembly, wherein the clamping assembly comprises a clamping mechanism, the clamping mechanism comprises a clamping seat, a clamping rod, a side clamping block and an upper clamping block, a lower cushion block is arranged at the upper part of the clamping seat, a hinging part is fixedly connected with the middle section of the clamping rod, the lower side of the hinging part is rotationally connected with the clamping seat, the clamping rod comprises a first end and a second end, the first end and the second end are respectively positioned at two ends of the hinging part, and the second end is close to one side of the lower cushion block; the side clamping block is fixedly connected to the second end of the clamping rod, and a side cushion block is arranged on one side, facing the lower cushion block, of the side clamping block. According to the invention, the first slide rail and the second slide rail are adopted, so that the clamping mechanism can be guided, the position of the clamping mechanism can be adaptively adjusted, the clamping mechanism can be displaced in two directions X, Y, the position adjustment is convenient to realize, and the tooling equipment can be suitable for elevator brackets with different sizes.
Description
Technical Field
The invention relates to the technical field of elevator production equipment, in particular to a robot welding tool for a bracket of an elevator without a machine room.
Background
Along with the continuous and new construction, the transformation and maintenance of old elevators and the introduction of additional elevators in China, the requirements for elevators are also increasing, so that in order to improve the market competitiveness of enterprises, the production efficiency of products and the quality of the products are required to be improved.
The elevator bracket without the machine room is one of important parts in an elevator, adopts a frame type structure, is mainly formed by splicing a plurality of square steel bars, is usually fixed by clamping each workpiece in a clamp frame in the production process, and is then installed to a station of a robot welding machine together with a tool and the assembled workpiece, and is welded and fixed between the steel bars by the robot.
When the workpiece of the elevator bracket is clamped by the existing tooling equipment, the workpiece is usually clamped by only acting forces in the upper direction and the lower direction, namely, the parts are clamped by upper pressure and lower pressure, the positioning and clamping effects in the horizontal direction are poor, so that errors in the horizontal direction are easily generated on the workpiece, and the welding precision of the elevator bracket is affected.
There is therefore a need to propose a new solution to this problem.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a robot welding tool for a bracket of an elevator without a machine room, which can improve the stability of clamping equipment on bracket products.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the robot welding tool for the elevator bracket without the machine room comprises a clamping assembly, wherein the clamping assembly comprises a clamping mechanism, the clamping mechanism comprises a clamping seat, a clamping rod, a side clamping block and an upper clamping block, a lower cushion block is arranged on the upper portion of the clamping seat, a hinging portion is fixedly connected to the middle section of the clamping rod, the lower side of the hinging portion is rotationally connected with the clamping seat, the clamping rod comprises a first end and a second end, the first end and the second end are respectively positioned at two ends of the hinging portion, and the second end is close to one side of the lower cushion block; the side clamping block is fixedly connected to the second end of the clamping rod, a side cushion block is arranged on one side of the side clamping block, facing the lower cushion block, of the side clamping block, the upper clamping block is connected to the upper end of the side clamping block, one side of the upper clamping block extends towards the direction of the lower cushion block, and an upper cushion block is arranged on the lower side of the upper clamping block; the upper cushion block, the lower cushion block and the side cushion blocks are respectively positioned on the periphery of the workpiece, and can prop against the workpiece from the up-down direction and the side direction to clamp the workpiece.
The telescopic driving device is arranged on the clamping seat and comprises a driving end which can stretch out and draw back, and the driving end acts on the second end of the clamping rod and is used for driving the clamping rod to rotate; the side clamping blocks and the upper clamping blocks can be linked with the clamping rods and used for clamping workpieces.
The invention is further arranged that the upper clamping block is fixedly connected to the upper part of the side clamping block, and the upper clamping block is mutually perpendicular to the side clamping block; the driving end of the telescopic driver is rotationally connected with the second end of the clamping rod.
The invention is further characterized in that an elastic support piece is arranged at the upper part of the clamping seat, a counter bore is formed at the upper part of the clamping seat, the lower end of the elastic support piece extends into the counter bore and can be adjusted in a vertical sliding mode, a first spring is elastically pressed between the bottom of the counter bore and the lower end of the elastic support piece, and the upper end part of the elastic support piece extends out of the counter bore; the elastic supporting piece is positioned at the lower part of the second end of the clamping rod and is used for elastically supporting the clamping rod.
The invention is further arranged that the middle part of the upper clamping block is rotationally connected with the upper clamping block through a rotating shaft, one end of the upper clamping block extends to the upper side of the lower cushion block, and the other end extends towards the direction back to the lower cushion block and is fixedly connected with an extension rod; the upper clamping block and the side clamping block can rotate relatively, and the relative angle of the upper cushion block and the side cushion block can rotate.
The invention further provides that the extension rod is of an L-shaped structure and comprises a vertical part and a cross rod part, wherein the upper end of the vertical part is fixedly connected with the upper clamping block, one end of the cross rod part is fixedly connected with the lower end of the vertical part, and the other end of the cross rod part extends back to the direction of the lower cushion block.
The invention is further arranged that the cross rod part is connected with the driving end of the telescopic driver through a linkage mechanism, the linkage mechanism comprises a linkage block, the linkage block is rotationally connected with the driving end through a linkage shaft, the upper part of the linkage block is fixedly connected with a connecting block, the lower side of the cross rod part is provided with a connecting hole, the lower end of the connecting hole is open, and the upper end of the connecting hole is provided with a closed bottom surface; the upper part of the connecting block stretches into the connecting hole and can be connected in a vertical sliding way in the connecting hole; and a second spring is elastically pressed between the upper end of the connecting block and the bottom surface of the connecting hole.
The invention is further arranged that the upper side periphery of the connecting block is fixedly connected with a first limiting protrusion, the lower end periphery of the connecting hole is fixedly connected with a second limiting protrusion, and the first limiting protrusion and the second limiting protrusion are matched with each other and used for limiting the sliding stroke of the connecting block and the connecting hole.
The invention is further characterized in that a first limiting block is fixedly connected to the lower side of the cross rod part, a transverse limiting hole is formed in the first limiting block, the linkage mechanism further comprises a steel wire, one end of the steel wire is fixedly connected to the first end of the clamping rod, the other end of the steel wire penetrates through the limiting hole and is fixedly connected with a second limiting block, a third spring is elastically pressed between the first limiting block and the second limiting block, and the third spring is sleeved outside the steel wire.
The invention is further arranged that the connecting block is provided with a transverse through hole, the through hole is positioned at the upper side of the linkage block, and the steel wire bypasses the upper side of the linkage block and penetrates through the through hole; the linkage block can be displaced upwards, the upper side face of the linkage block can be propped against the lower side of the cross rod, and the steel wire clamp is fixed between the linkage block and the cross rod part.
The invention further provides a support frame, wherein two opposite sides of the support frame are fixedly connected with a positioner connecting end, and the upper side of the support frame is provided with three assembly clamp assemblies which are used for clamping a workpiece and fixing the workpiece on the support frame; the distance between the left and right assembly clamp assemblies and the middle clamping assembly can be slidably adjusted, and the left and right assembly clamp assemblies are locked at the position through the limiting pin; the clamping assembly comprises two assembly clamping mechanisms, and the two assembly clamping mechanisms can be relatively slidably adjusted and locked in position through limiting pins.
In summary, the invention has the following beneficial effects:
the clamping mechanism can clamp the workpiece from the upper side, the lower side and the side direction, can press and position the workpiece in the horizontal direction, and can clamp and fix the workpiece in the upper and lower directions, so that the clamping stability of the workpiece can be maintained, and the workpiece can be in a relatively determined state after clamping.
Through adopting slide rail one and slide rail two, can lead clamping machine constructs for clamping machine constructs the position and can carry out adaptability adjustment, makes it can be in X, Y displacement of two directions, is convenient for realize position adjustment, makes this frock equipment can be applicable to not unidimensional elevator bracket and is suitable for.
Drawings
Fig. 1 is a schematic structural diagram of a robot welding tool for a bracket of an elevator without machine room in the embodiment;
Fig. 2 is a schematic view of a first structure of the clamping mechanism in the present embodiment;
FIG. 3 is a schematic view of the structure of the elastic support member in the present embodiment;
fig. 4 is a second structural schematic diagram of the clamping mechanism in the present embodiment, so as to show a clamping state;
Fig. 5 is a schematic view of a part of the structure of the clamping mechanism in the present embodiment;
FIG. 6 is an enlarged view of a portion of FIG. 5;
Fig. 7 is a schematic view of a second structure of the clamping mechanism in this embodiment, so as to show an open state.
Reference numerals: 100. a workpiece; 1. a support frame; 2. the connecting end of the positioner; 3. clamping the assembly; 31. clamping a first mechanism; 32. clamping mechanism II; 33. a first slide rail; 34. a support base; 35. a second slide rail; 36. a support plate; 30. clamping mechanism; 4. clamping base; 41. a lower cushion block; 42. an elastic support; 421. countersink; 422. a first spring; 5. clamping rods; 51. a hinge part; 52. a first end; 53. a second end; 54. a side clamping block is arranged; 541. a side pad; 55. mounting a clamping block; 551. an upper cushion block; 552. a rotating shaft; 6. a telescopic drive; 61. a driving end; 7. an extension rod; 71. a vertical portion; 72. a cross bar portion; 8. a linkage mechanism; 81. a linkage block; 8101. a linkage shaft; 82. a connecting block; 83. the first limit bulge is arranged; 84. a connection hole; 85. a second limiting protrusion; 86. a second spring; 87. a bottom surface; 88. a through hole; 89. a steel wire; 810. a first limiting block; 811. a limiting hole; 812. a third spring; 813. and a second limiting block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment discloses no computer lab elevator bracket robot welding frock is applicable to the welding effect of elevator bracket, and the elevator bracket is square frame construction roughly, mainly has a plurality of cross-sections to splice for square steel and forms, square frame construction. Each steel is clamped and fixed through the welding tool during welding, and then the workpiece 100 which is assembled together with the tool is installed at a station of a robot welding machine, and the robot is used for welding and fixing the steel.
Referring to fig. 1, the welding fixture for the elevator bracket robot without machine room comprises a support frame 1 and three assembly clamp assemblies 3, wherein two sides of the support frame 1 are fixedly connected with a positioner connecting end 2 respectively, and the welding fixture can be directly connected with a positioner through the positioner connecting end 2, so that the position and the angle of the fixture can be adjusted in the welding process.
The upper side of support frame 1 is provided with three equipment clamp assemblies 3, and in three equipment clamp work piece 100, the clamping work piece 100 of middle group is located the upper portion centre of support frame 1, and two subassembly clamping assemblies 3 about can slide relatively for two clamping assemblies 3 about can realize sliding adjustment, can lock fixedly through the spacer pin after the regulation is accomplished.
Specifically, the bottom of the clamping assembly 3 is supported by a supporting seat 34, wherein the supporting seat 34 of the middle clamping assembly 3 is fixedly arranged on the supporting frame 1; in the clamping assemblies 3 on the left side and the right side, the supporting seat 34 is slidably connected with the supporting frame 1 by adopting the first sliding rail 33, so that the supporting seat 34 and the clamping assembly 3 arranged on the upper portion of the supporting seat 34 can synchronously slide along the first sliding rail 33. A plurality of corresponding holes are formed on the support frame 1 and the support seat 34, so that the matching locking can be realized at the corresponding positions.
The three assembly clamp assemblies 3 jointly play a role in clamping the workpieces 100 of the elevator bracket, and clamp and fix each workpiece 100 on the support frame 1.
In each assembly clip assembly 3, two assembly clip mechanisms 30 are included, wherein the two assembly clip mechanisms 30 are respectively located at two ends of the supporting seat 34, one assembly clip mechanism 30 is fixedly installed on the supporting seat 34, and the other assembly clip mechanism 30 is slidably connected to the supporting seat 34 through a sliding rail. Specifically, the second slide rail 35 is fixedly installed on the supporting seat 34, and the direction of the second slide rail 35 is perpendicular to the first slide rail 33, so that the first slide rail 33 and the second slide rail 35 can respectively form displacement in two directions X, Y, and position adjustment is convenient to achieve. The second slide rail 35 is provided with a support plate 36 in a sliding manner, and the reorganization clamping mechanism 30 is arranged on the support plate 36, so that sliding adjustment can be realized.
Holes can be formed at corresponding positions between the support plate 36 and the support seat 34, so that position locking can be realized through a limiting pin.
The clamping assembly 3 is provided with a plurality of groups of clamping mechanisms 30, so that the clamping assembly can clamp metal, wherein most of the clamping mechanisms 30 are in an up-and-down clamping mode, and the clamping assembly can clamp the upper plane and the lower plane of the workpiece 100. In addition, there is a part of the clamping mechanism 30 capable of clamping the workpiece 100 from the upper, lower and side directions, and is used for clamping the end of the rod-shaped workpiece 100. The clamping in the upper side and the lower side can fix the workpiece 100, and the clamping in the side direction mainly plays a role in positioning, so that the position of the rod-shaped workpiece 100 can be in a relatively determined state.
Referring to fig. 2, a clamping assembly 3 is disclosed in this embodiment, and referring to fig. 2, the clamping assembly 3 includes a clamping mechanism 30, and the clamping mechanism 30 can position the workpiece 100 from three directions, i.e., an upper side, a lower side and a side. The clamping mechanism 30 comprises a clamping seat 4, a clamping rod 5, a side clamping block 54 and an upper clamping block 55, wherein the upper part of the clamping seat 4 is provided with a lower cushion block 41, the middle section of the clamping rod 5 is fixedly connected with a hinge part 51, and the lower side of the hinge part 51 is rotationally connected with the clamping seat 4. The clamping rod 5 comprises a first end 52 and a second end 53, the first end 52 and the second end 53 are respectively located at two ends of the hinge portion 51, the second end 53 is close to one side of the lower cushion block 41, and the hinge point of the hinge portion 51 is taken as the center, so that the first end 52 and the second end 53 of the clamping rod 5 can realize rotation adjustment.
The side clamping block 54 is fixedly connected to the second end 53 of the clamping rod 5, a side cushion block 541 is arranged on one side of the side clamping block 54, facing the lower cushion block 41, and the side clamping block 54 and the side cushion block 541 are approximately in a vertical state, so that the side clamping block 54 and the side cushion block 541 play a role in pressing and limiting the end part of the workpiece 100. The upper clamping block 55 is connected to the upper end of the side clamping block 54, one side of the upper clamping block 55 extends toward the direction of the lower cushion block 41, and an upper cushion block 551 is provided at the lower side of the upper clamping block 55. The upper pad 551, the lower pad 41, and the side pad 541 can form a three-sided surrounding structure, and are respectively located at the outer periphery of the workpiece 100 in the clamping process, so that the workpiece 100 can be clamped against the workpiece 100 in the vertical direction and the lateral direction.
In addition, the clamping mechanism 30 further comprises a telescopic driver 6, the telescopic driver 6 can adopt an air cylinder or other telescopic mechanisms, and the telescopic driver 6 is installed on the clamping seat 4 and comprises a driving end 61 capable of stretching. The drive end 61 is capable of acting on the second end 53 of the clamping bar 5 to rotate the clamping bar 5 during extension and retraction of the drive end 61. In addition, the side clamping blocks 54 and the upper clamping blocks 55 can also be linked with the clamping rod 5 to jointly play a role in clamping the workpiece 100.
Specifically, referring to fig. 2, an upper clamping block 55 is fixedly coupled to an upper portion of the side clamping block 54, and the upper clamping block 55 is perpendicular to the side clamping block 54. The clamping rod 5, the upper clamping block 55 and the side clamping block 54 adopt an integrated fixing structure, the driving end 61 of the telescopic driver 6 is rotationally connected with the second end 53 of the clamping rod 5, the upper clamping block 55 and the side clamping block 54 can be driven to rotate simultaneously through the telescopic action of the telescopic driver 6, and the side cushion blocks 541 and the upper cushion block 551 are propped against the workpiece 100 simultaneously.
Referring to fig. 3, in order to prevent the clamping bar 5 from being rotated too much during the rotation, an elastic support 42 may be provided between the clamping base 4 and the clamping bar 5. Specifically, a counter bore 421 is formed at the upper portion of the clamping seat 4, and the lower end of the elastic support member 42 extends into the counter bore 421 and can be adjusted in a vertically sliding manner. A first spring 422 is elastically pressed between the bottom of the counter bore 421 and the lower end of the elastic support piece 42, and the upper end part of the elastic support piece 42 extends out of the counter bore 421; the elastic supporting member 42 is located below the second end 53 of the clamping rod 5, and can elastically support the second end 53 of the clamping rod 5 by using the elastic force of the first spring 422, so as to avoid excessive impact collision between the side cushion 541 and the workpiece 100.
When clamping the rod-shaped workpiece 100, two end parts of the workpiece 100 are respectively clamped and fixed by the two assembly clamping mechanisms 30, the two assembly clamping mechanisms 30 are respectively positioned at two end positions of the workpiece 100, the positions of the lower cushion block 41, the upper cushion block 551 and the side cushion block 541 are respectively matched with the shapes of the two end parts of the workpiece 100, and the two end parts are respectively supported by the side cushion blocks 541 in the two assembly clamping mechanisms 30 in a propping manner. In theory, the two side pads 541 can be abutted against the two ends of the workpiece 100 during clamping, and the two upper pads 551 can be abutted against the upper side of the workpiece 100, so as to clamp and fix the two ends of the workpiece 100. However, in the actual production process, there is a certain deviation in the size of the workpiece 100, so that the clamping mechanism 30 is easy to deviate in the clamping process.
When the left end of the workpiece 100 is clamped first, the workpiece 100 is not fixed, the left end, the right end and the upper side, the lower side and the end of the left end of the workpiece 100 can be adjusted in a self-adaptive manner, the upper cushion block 551, the lower cushion block 41 and the side cushion block 541 can be pressed and fixed respectively, and the upper cushion block 551, the lower cushion block 41 and the side cushion block 541 can be attached to the workpiece 100 smoothly; then, the right end of the workpiece 100 is clamped, and the position of the workpiece 100 is fixed by the left clamping mechanism 30, so that the length and the position size of the workpiece 100 need to be suitable for the right clamping mechanism 30. When the length of the workpiece 100 is slightly longer or shorter than the standard length, the upper pad 551 cannot be smoothly attached to the surface of the workpiece 100 when the side pad 541 in the clamping mechanism 30 on the right abuts against the right end of the workpiece 100, and a gap and unstable clamping are likely to occur. In addition, there is a slight deviation in the thickness dimension of the workpiece 100, and there will be a similar situation in which the clamping is unstable. Therefore, in this embodiment, the structure of the chuck 30 is further designed in a complementary manner.
In this embodiment, another clamping assembly 3 is disclosed, and referring to fig. 4 to 7, the clamping assembly 3 includes a clamping mechanism 30, and the clamping mechanism 30 can position the workpiece 100 from three directions of an upper side, a lower side and a side. The clamping mechanism 30 comprises a clamping seat 4, a clamping rod 5, a side clamping block 54 and an upper clamping block 55, wherein the upper part of the clamping seat 4 is provided with a lower cushion block 41, the middle section of the clamping rod 5 is fixedly connected with a hinge part 51, and the lower side of the hinge part 51 is rotationally connected with the clamping seat 4. The clamping rod 5 comprises a first end 52 and a second end 53, the first end 52 and the second end 53 are respectively located at two ends of the hinge portion 51, the second end 53 is close to one side of the lower cushion block 41, and the hinge point of the hinge portion 51 is taken as the center, so that the first end 52 and the second end 53 of the clamping rod 5 can realize rotation adjustment.
The side clamping block 54 is fixedly connected to the second end 53 of the clamping rod 5, a side cushion block 541 is arranged on one side of the side clamping block 54, facing the lower cushion block 41, and the side clamping block 54 and the side cushion block 541 are approximately in a vertical state, so that the side clamping block 54 and the side cushion block 541 play a role in pressing and limiting the end part of the workpiece 100. The upper clamping block 55 is connected to the upper end of the side clamping block 54, one side of the upper clamping block 55 extends toward the direction of the lower cushion block 41, and an upper cushion block 551 is provided at the lower side of the upper clamping block 55. The upper pad 551, the lower pad 41, and the side pad 541 can form a three-sided surrounding structure, and are respectively located at the outer periphery of the workpiece 100 in the clamping process, so that the workpiece 100 can be clamped against the workpiece 100 in the vertical direction and the lateral direction.
In addition, the clamping mechanism 30 further comprises a telescopic driver 6, the telescopic driver 6 can adopt an air cylinder or other telescopic mechanisms, and the telescopic driver 6 is installed on the clamping seat 4 and comprises a driving end 61 capable of stretching. The drive end 61 is capable of acting on the second end 53 of the clamping bar 5 to rotate the clamping bar 5 during extension and retraction of the drive end 61. In addition, the side clamping blocks 54 and the upper clamping blocks 55 can also be linked with the clamping rod 5 to jointly play a role in clamping the workpiece 100.
Specifically, the middle part of the upper clamping block 55 is rotatably connected to the upper clamping block 55 through a rotating shaft 552, one end of the upper clamping block 55 extends to the upper side of the lower cushion block 41, and the other end extends towards the direction opposite to the lower cushion block 41 and is fixedly connected with an extension rod 7; the upper clamping block 55 and the side clamping block 54 can rotate relatively, and the relative angle of the upper cushion block 551 and the side cushion block 541 can rotate. Through the angle adjustment between the upper clamping block 55 and the side clamping block 54, the error between the upper clamping block and the workpiece 100 can be suitable, the requirement on the precision of the workpiece 100 is reduced, and the workpiece 100 can be clamped and fixed relatively stably.
The extension rod 7 is of an L-shaped structure and comprises a vertical portion 71 and a cross rod portion 72, the upper end of the vertical portion 71 is fixedly connected with the upper clamping block 55, one end of the cross rod portion 72 is fixedly connected with the lower end of the vertical portion 71, and the other end of the cross rod portion 72 extends back to the direction of the lower cushion block 41. The telescopic driver 6 is linked with the cross bar 72, and then drives the clamping action of the upper clamping block 55.
Referring to fig. 5 and 6, the cross bar 72 is connected to the driving end 61 of the telescopic actuator 6 by a link mechanism 8, the link mechanism 8 includes a link block 81, the link block 81 is rotatably connected to the driving end 61 by a link shaft 8101, and a connection block 82 is fixedly connected to the upper portion of the link block 81. The lower side of the cross bar 72 is provided with a connecting hole 84, the lower end of the connecting hole 84 is open, and the upper end of the connecting hole 84 is provided with a closed bottom surface 87. The upper portion of the connection block 82 extends into the connection hole 84, and can be connected in a vertically sliding manner in the connection hole 84, specifically, a guiding groove and a protrusion can be formed between the connection block 82 and the connection hole 84, so that sliding guiding action of the connection block 82 is realized.
In addition, a first limit protrusion 83 is fixedly connected to the upper outer periphery of the connection block 82, a second limit protrusion 85 is fixedly connected to the inner periphery of the lower end of the connection hole 84, and the first limit protrusion 83 and the second limit protrusion 85 are matched with each other, so that the sliding stroke of the connection block 82 and the connection hole 84 can be limited.
A second spring 86 is elastically pressed between the upper end of the connection block 82 and the bottom surface 87 of the connection hole 84, and the second spring 86 can realize elastic support between the connection block 82 and the cross bar 72. In a state where the workpiece 100 is not clamped, the second spring 86 can push the connection block 82 downward so that a gap is formed between the upper side of the linkage block 81 and the lower side of the cross bar 72, and a certain distance is provided, and the state shown in fig. 7 is referred to.
In addition, a first stopper 810 is fixedly connected to the lower side of the cross bar 72, and the first stopper 810 is provided with a transverse stopper hole 811. The link mechanism 8 further includes a wire 89, and the wire 89 can act between the first end 52 of the clamp lever 5 and the cross bar 72 to perform a link function.
One end of the steel wire 89 is fixedly connected to the first end 52 of the clamping rod 5, and the other end of the steel wire 89 penetrates through the limiting hole 811 and is fixedly connected with a second limiting block 813. A third spring 812 is elastically pressed between the first limit block 810 and the second limit block 813, and the third spring 812 is sleeved on the periphery of the steel wire 89, so that the steel wire 89 can apply linkage tension between the first end 52 of the clamping rod 5 and the cross rod 72.
The connection block 82 is provided with a transverse through hole 88, the through hole 88 is located on the upper side of the link block 81, and the wire 89 passes around the upper side of the link block 81 and penetrates the through hole 88. When the linkage block 81 is displaced upwards, the upper side surface of the linkage block 81 can prop against the lower side of the cross rod, the steel wire 89 is fixed between the linkage block 81 and the cross rod part 72, and the steel wire 89 applies a tensile force between the first end 52 of the clamping rod 5 and the cross rod part 72, so that the linkage between the side clamping block 54 and the upper clamping block 55 is realized.
Before clamping, the clamping mechanism 30 is in a state as shown in fig. 7, the driving end 61 of the telescopic driver 6 is in a contracted state, and the driving end 61 drives the cross rod part 72 to swing downwards, so that the upper clamping block 55 can swing upwards; at the same time, the cross bar 72 can abut against the first end 52 of the clamping bar 5, so that the side clamping blocks 54 can swing away from the workpiece 100, and the side clamping blocks 54 and the upper clamping blocks 55 are in an open state.
During clamping, the driving end 61 of the telescopic driver 6 stretches, the driving end 61 is ejected upwards, and the cross rod part 72 is driven to swing upwards; in the upward swinging process of the cross rod 72, a force is applied between the first limit block 810 and the second limit block 813 through the third spring 812, the steel wire 89 is driven to be pulled upwards, the first end 52 of the clamping rod 5 can be driven to swing upwards through the force of the steel wire 89, and the side clamping block 54 is firstly abutted against the end part of the workpiece 100. Then, the driving end 61 continues to be ejected upwards, the linkage block 81 continues to move upwards, and the upper clamping block 55 abuts against the upper side face of the workpiece 100, so that the workpiece 100 can be clamped and fixed.
Then, the connecting block 82 on the upper portion of the linkage block 81 is pushed upwards, the connecting block 82 pushes the second spring 86 upwards until the upper side of the linkage block 81 abuts against the lower side of the cross rod 72, the steel wire 89 is clamped by the linkage block 81 and the cross rod 72, at this time, the steel wire 89 is in a tightening state, the clamping rod 5 and the cross rod 72 are kept in a relatively stable state, the telescopic driver 6 continues to apply pressure, the pressure of the upper clamping block 55 and the side clamping block 54 on the workpiece 100 can be increased, and then the stability of clamping the workpiece 100 is kept.
Further, this embodiment discloses another machine-roomless elevator bracket robot welding tool, which is substantially the same as the machine-roomless elevator bracket robot welding tool in the above embodiment, and is different in that an assembly clamping mechanism 30 is respectively disposed at two ends of the clamping component 3 of the machine-roomless elevator bracket robot welding tool, wherein the clamping mechanism 30 on one side adopts a clamping structure (the first clamping mechanism 30) as shown in fig. 2, and the clamping mechanism 30 on the other side adopts a clamping mechanism 30 (the second clamping mechanism 30) as shown in fig. 4-7, so that the workpiece 100 can be stably and reliably clamped and fixed.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (10)
1. The utility model provides a no computer lab elevator bracket robot welding frock, its characterized in that, including clamping subassembly (3), clamping subassembly (3) include clamping mechanism (30), clamping mechanism (30) are including clamping seat (4), clamping pole (5), side clamping piece (54) and last clamping piece (55), the upper portion of clamping seat (4) is provided with down cushion (41), the middle section fixedly connected with hinge (51) of clamping pole (5), the downside and the clamping seat (4) of hinge (51) rotate to be connected, clamping pole (5) include first end (52) and second end (53), first end (52) and second end (53) are located the both ends of hinge (51) respectively, second end (53) are close to one side of lower cushion (41); the side clamping block (54) is fixedly connected to the second end (53) of the clamping rod (5), a side cushion block (541) is arranged on one side, facing the lower cushion block (41), of the side clamping block (54), the upper clamping block (55) is connected to the upper end of the side clamping block (54), one side, facing the lower cushion block (41), of the upper clamping block (55) extends, and an upper cushion block (551) is arranged on the lower side of the upper clamping block (55); the upper cushion block (551), the lower cushion block (41) and the side cushion blocks (541) are respectively positioned on the periphery of the workpiece (100), and can support the workpiece (100) from the up-down direction and the side direction to clamp the workpiece (100).
2. The machine-room-less elevator bracket robot welding tool according to claim 1, further comprising a telescopic driver (6), wherein the telescopic driver (6) is arranged on the clamping seat (4) and comprises a telescopic driving end (61), and the driving end (61) acts on the second end (53) of the clamping rod (5) and is used for driving the clamping rod (5) to rotate; the side clamping blocks (54) and the upper clamping blocks (55) can be linked with the clamping rods (5) and are used for clamping the workpiece (100).
3. The machine-room-less elevator bracket robot welding fixture according to claim 2, wherein the upper clamping block (55) is fixedly connected to the upper part of the side clamping block (54), and the upper clamping block (55) is perpendicular to the side clamping block (54); the driving end (61) of the telescopic driver (6) is rotatably connected with the second end (53) of the clamping rod (5).
4. The machine-room-less elevator bracket robot welding fixture according to claim 2, wherein the middle part of the upper clamping block (55) is rotatably connected to the upper clamping block (55) through a rotating shaft (552), one end of the upper clamping block (55) extends to the upper side of the lower cushion block (41), and the other end extends towards the direction away from the lower cushion block (41) and is fixedly connected with an extension rod (7); the upper clamping block (55) and the side clamping block (54) can rotate relatively, and the relative angle of the upper cushion block (551) and the side cushion block (541) can rotate.
5. The machine-room-less elevator bracket robot welding tool according to claim 4, wherein the extension rod (7) is of an L-shaped structure and comprises a vertical portion (71) and a cross rod portion (72), the upper end of the vertical portion (71) is fixedly connected with the upper clamping block (55), one end of the cross rod portion (72) is fixedly connected with the lower end of the vertical portion (71), and the other end of the cross rod portion (72) extends back to the direction of the lower cushion block (41).
6. The machine-room-less elevator bracket robot welding tool according to claim 5, wherein the cross rod part (72) is connected with the driving end (61) of the telescopic driver (6) through a linkage mechanism (8), the linkage mechanism (8) comprises a linkage block (81), the linkage block (81) is rotationally connected with the driving end (61) through a linkage shaft (8101), the upper part of the linkage block (81) is fixedly connected with a connecting block (82), the lower side of the cross rod part (72) is provided with a connecting hole (84), the lower end of the connecting hole (84) is open, and the upper end of the connecting hole (84) is provided with a closed bottom surface (87); the upper part of the connecting block (82) extends into the connecting hole (84) and can be connected in an up-and-down sliding way in the connecting hole (84); a second spring (86) is elastically pressed between the upper end of the connecting block (82) and the bottom surface (87) of the connecting hole (84).
7. The welding fixture for the elevator bracket robot without machine room of claim 6, wherein a first limiting protrusion (83) is fixedly connected to the outer periphery of the upper side of the connecting block (82), a second limiting protrusion (85) is fixedly connected to the inner periphery of the lower end of the connecting hole (84), and the first limiting protrusion (83) and the second limiting protrusion (85) are mutually matched and used for limiting the sliding stroke of the connecting block (82) and the connecting hole (84).
8. The machine-room-less elevator bracket robot welding tool according to claim 6, wherein a first limiting block (810) is fixedly connected to the lower side of the cross rod portion (72), a transverse limiting hole (811) is formed in the first limiting block (810), the linkage mechanism (8) further comprises a steel wire (89), one end of the steel wire (89) is fixedly connected to the first end (52) of the clamping rod (5), the other end of the steel wire (89) penetrates through the limiting hole (811) and is fixedly connected with a second limiting block (813), a third spring (812) is elastically pressed between the first limiting block (810) and the second limiting block (813), and the third spring (812) is sleeved outside the steel wire (89).
9. The machine-room-less elevator bracket robot welding fixture according to claim 8, wherein the connecting block (82) is provided with a transverse through hole (88), the through hole (88) is positioned on the upper side of the linkage block (81), and the steel wire (89) bypasses the upper side of the linkage block (81) and penetrates through the through hole (88); the linkage block (81) can be displaced upwards, the upper side surface of the linkage block (81) can be propped against the lower side of the cross rod, and the steel wire (89) clamp is fixed between the linkage block (81) and the cross rod part (72).
10. The machine room-less elevator bracket robot welding fixture according to any one of claims 1-9, further comprising a support frame (1), wherein two opposite sides of the support frame (1) are fixedly connected with a positioner connecting end (2), a three-assembly clamping assembly (3) is arranged on the upper side of the support frame (1), and the clamping assembly (3) is used for clamping a workpiece (100) to fix the workpiece (100) to the support frame (1); the distance between the left and right assembly clamp assemblies (3) and the middle clamping assembly (3) can be slidably adjusted, and the left and right assembly clamp assemblies are locked at the positions through limiting pins; the clamping assembly (3) comprises two assembly clamping mechanisms (30), and the two assembly clamping mechanisms (30) can be relatively slidably adjusted and locked in position through limiting pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410774710.3A CN118492813A (en) | 2024-06-17 | 2024-06-17 | Welding tool for robot of elevator bracket without machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410774710.3A CN118492813A (en) | 2024-06-17 | 2024-06-17 | Welding tool for robot of elevator bracket without machine room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118492813A true CN118492813A (en) | 2024-08-16 |
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ID=92238479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410774710.3A Pending CN118492813A (en) | 2024-06-17 | 2024-06-17 | Welding tool for robot of elevator bracket without machine room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118492813A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117644307A (en) * | 2023-12-19 | 2024-03-05 | 浙江梅轮电梯股份有限公司 | Bracket welding tool for elevator with machine room |
-
2024
- 2024-06-17 CN CN202410774710.3A patent/CN118492813A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117644307A (en) * | 2023-12-19 | 2024-03-05 | 浙江梅轮电梯股份有限公司 | Bracket welding tool for elevator with machine room |
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