CN106903474B - Clamping assembly of welding tool - Google Patents
Clamping assembly of welding tool Download PDFInfo
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- CN106903474B CN106903474B CN201710199598.5A CN201710199598A CN106903474B CN 106903474 B CN106903474 B CN 106903474B CN 201710199598 A CN201710199598 A CN 201710199598A CN 106903474 B CN106903474 B CN 106903474B
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- 238000003466 welding Methods 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 230000009194 climbing Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a clamping assembly of a welding tool, which comprises a cross type clamping device, wherein the cross type clamping device comprises two swing arm clamping mechanisms, each swing arm clamping mechanism comprises a clamping block, the two swing arm clamping mechanisms are in scissor type cross rotatable connection, and the clamping blocks on the two swing arm clamping mechanisms are arranged in an angle mode. In the clamping assembly of the welding tool, the clamping blocks of the two swing arm clamping mechanisms of the cross type clamping device can clamp workpieces from different directions, and the cross type clamping device can be suitable for clamping and positioning different workpieces and is convenient to clamp.
Description
Technical Field
The invention relates to the technical field of product machining, in particular to a clamping assembly of a welding tool.
Background
For products with special shapes, welding tools are generally needed during welding. The welding frock is the frock that needs the design according to the welding of spare part, fixes a position, presss from both sides tightly to the product through the welding frock, is convenient for realize the welding, lets the position tolerance of welded product little simultaneously, and some welding frock can not adjust according to the size of product at present, have restricted application range.
Disclosure of Invention
Accordingly, there is a need for a clamping assembly for a welding tool that is adaptable to a variety of products of different sizes.
The utility model provides a centre gripping subassembly of welding frock, includes crossing clamping device, crossing clamping device includes two swing arm clamping mechanism, every swing arm clamping mechanism is including pressing from both sides tight piece, two swing arm clamping mechanism is scissors formula cross rotation and connects, two on the swing arm clamping mechanism it is angle setting to press from both sides tight piece.
In the clamping assembly of the welding tool, the clamping blocks of the two swing arm clamping mechanisms of the cross type clamping device can clamp workpieces from different directions, and the cross type clamping device can be suitable for clamping and positioning different workpieces and is convenient to clamp.
In one embodiment, the clamping assembly of the welding tool further comprises a base and a platform, the platform is arranged on the base and used for placing a workpiece, and the cross-type clamping device is arranged on the base and used for clamping the workpiece.
In one embodiment, the clamping block comprises a plate body, front ribs arranged at intervals on one side of the plate body and rear ribs arranged at intervals on the other side of the plate body; and the clamping block is provided with an adsorption piece to apply adsorption force to the workpiece.
In one embodiment, the cross-type clamping device further comprises a cross-type clamping base, the swing arm clamping mechanism is arranged on the cross-type clamping base, and the cross-type clamping base is arranged on the base in a sliding manner along a first direction, so that the cross-type clamping device is driven to slide along the first direction; the crossed clamping base comprises a crossed clamping base frame, a bottom plate arranged on the crossed clamping base frame, a supporting frame fixed on the bottom plate and a first transverse guide rail arranged at the bottom of the crossed clamping base frame, and the first transverse guide rail is matched with the base; the cross clamping device further comprises a first driving system for driving the cross clamping base to slide along the first direction relative to the base.
In one embodiment, the first driving system includes a first bearing seat, a first lead screw, a first nut, a first speed reducer, and a first driving motor, the first bearing seat is fixed on the base, the first lead screw is mounted on the first bearing seat through a bearing, the first nut is matched with the first lead screw, the first nut is further connected with the bottom plate of the cross clamping base, the first lead screw is connected with the first driving motor through the first speed reducer, and the first driving motor drives the first lead screw to rotate, so as to drive the first nut to move linearly, thereby driving the bottom plate of the cross clamping base to move along the first direction.
In one embodiment, the cross clamping device further comprises a stand column, the stand column is arranged on the cross clamping base, and the swing arm clamping mechanism is rotatably arranged on the stand column; the stand includes flange, stand body and axle sleeve, flange fixed connection in the crossing presss from both sides tight base the bottom plate, this body coupling of stand in flange, the axle sleeve cover is located on the stand body and relative the stand body rotates, swing arm clamping mechanism cover is located on the axle sleeve.
In one embodiment, the swing arm clamping mechanism further comprises a swing arm and a vertical arm connected to the swing arm, the swing arm is sleeved on the shaft sleeve, the two vertical arms are respectively located on two sides of the joint of the swing arm and the shaft sleeve, and the clamping block is arranged on the vertical arm.
In one embodiment, the vertical arm is provided with an upper sliding block, the swing arm clamping mechanism further comprises a second driving system, the clamping block is provided with an upper guide rail matched with the upper sliding block, the second driving system drives the clamping block to slide along a third direction relative to the vertical arm, and the third direction is perpendicular to the rotation axis of the swing arm clamping mechanism.
In one embodiment, the cross-type clamping device further comprises a cross-type clamping slide seat and a third driving system, the cross-type clamping slide seat comprises a cross-type clamping seat and two connecting rods hinged to the cross-type clamping seat, the two connecting rods are respectively connected to the two swing arm clamping mechanisms, and the connecting rods rotate to drive the swing arm clamping mechanisms to rotate, so that the positions of the two swing arm clamping mechanisms are adjusted.
In one embodiment, the crossed clamping sliding seat further comprises a turret seat, a turret shaft and two rotating sleeves, the turret seat is arranged on the crossed clamping seat, the turret shaft is arranged on the turret seat, the two rotating sleeves are respectively sleeved on the turret shaft, and the two connecting rods are respectively connected to the two rotating sleeves; the connecting rod comprises a fixing rod, an adjusting nut, an adjusting rod and a hinged seat, one end of the fixing rod is fixed on the rotating sleeve, the adjusting nut is fixed at the other end of the fixing rod, one end of the adjusting rod is matched with the adjusting nut, the other end of the adjusting rod is hinged to the hinged seat, and the hinged seat is fixedly connected to the swing arm clamping mechanism.
Drawings
FIG. 1 is an assembly view of a welding tool according to one embodiment;
FIG. 2 is an exploded view of the welding tool of FIG. 1;
FIG. 3 is an exploded view of a base of the welding fixture of FIG. 1;
FIG. 4 is an assembly view of a lateral clamping device of the welding fixture of FIG. 1;
FIG. 5 is an exploded view of the lateral clamp shown in FIG. 4;
FIG. 6 is an assembly view of a first side clamping device of the welding fixture of FIG. 1;
FIG. 7 is an exploded view of the first side clamping device shown in FIG. 6;
FIG. 8 is an exploded view of the first side clamping device of FIG. 6 from another perspective;
FIG. 9 is an assembly view of a second side clamping device of the welding fixture of FIG. 1;
FIG. 10 is an exploded view of the second side clamping device shown in FIG. 9;
FIG. 11 is an assembly view of the cross clamp assembly of the welding fixture of FIG. 1;
FIG. 12 is an assembly view of the cross-clamp apparatus of FIG. 11 from another perspective;
FIG. 13 is an exploded view of the cross clamp assembly shown in FIG. 11; and
fig. 14 is an exploded view of another perspective of the cross-clamp apparatus shown in fig. 11.
Detailed Description
Reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings, but which can be embodied in many different forms and varied in the manner defined and covered by the claims.
Referring to fig. 1 and 2, a welding tool according to an embodiment includes a base 1, a platform 2, a transverse clamping device 3, a first side clamping device 4, a second side clamping device 5, and a cross clamping device 6, where the platform 2 is disposed on the base 1 and is used for placing a workpiece, the transverse clamping device 3, the first side clamping device 4, the second side clamping device 5, and the cross clamping device 6 are disposed on the base 1, and a portion of the transverse clamping device 3, the first side clamping device 4, the second side clamping device 5, and the cross clamping device 6 can move relative to the platform 2. Specifically, a part of the lateral clamp 3 may be movable in a first direction with respect to the base 1, the first side clamp 4 may be movable in a second direction and the first direction with respect to the base 1, the second side clamp 5 may be movable in the second direction with respect to the base 1, the cross clamp 6 may be movable in the first direction and the third direction with respect to the base 1, and the cross clamp 6 may also be rotatable with respect to the base 1 to adjust a clamping angle thereof. Wherein the first direction is perpendicular to the second direction.
In the welding tool, as the parts of the transverse clamping device 3, the first side clamping device 4, the second side clamping device 5 and the cross clamping device 6 move relative to the platform 2 respectively, the workpiece can be positioned and clamped in multiple directions, and the welding tool can adapt to workpieces of various shapes and sizes.
In this embodiment, referring to fig. 2 and 3, the base 1 includes an under-frame 11, a bottom plate 13 and a supporting pad 14, the bottom plate 13 is connected to one side of the under-frame 11, the supporting pad 14 is disposed on the other side of the bottom plate 13 opposite to the under-frame 11 to support the base 1 on a supporting surface (e.g., a surface of a machine), and the under-frame 11 is a frame structure. Because chassis 11 is frame construction, consequently the intensity of base 1 is higher, and the stability in placement of welding frock can be improved in the setting of supporting pad 14. Specifically, the underframe 11 comprises a plurality of cross beams 111 and a plurality of longitudinal beams 112, the cross beams 111 are arranged in parallel at intervals, the longitudinal beams 112 are arranged in parallel at intervals, and each longitudinal beam 112 is connected with the cross beams 111 to form the underframe 11 of the frame structure. The supporting pad 14 is provided with a mounting hole 141 for fixing the welding tool to the bearing surface. The base plate 13 is provided with a plurality of fixing holes 131 for mounting the platform 2, the lateral clamp 3, the first side clamp 4, the second side clamp 5 and the cross clamp 6.
In this embodiment, the platform 2 includes a platform frame 21, a platform plate 22 and supporting legs 23, the platform plate 22 is disposed on one side of the platform frame 21 for placing a workpiece, and the supporting legs 23 are disposed on the other side for supporting the platform 2 on the base 1. The platform frame 21 is provided between the platform plate 22 and the support legs 23, so that the supporting strength of the platform 2 can be improved. Specifically, the deck plate 22 and the support legs 23 are welded to the deck frame 21, respectively. Further, the platform 2 further comprises a platform inclined supporting plate 24, and the platform inclined supporting plate 24 is respectively connected to the platform frame 21 and the supporting leg 23 to improve the supporting strength of the platform 2.
In this embodiment, referring to fig. 1 and fig. 2, an adsorbing member mounting hole 220 is formed on a platform plate 22 of the platform 1, and a first adsorbing member 200 is disposed on the platform plate 22 at the adsorbing member mounting hole 220 to adsorb the workpiece, so as to improve the clamping force on the workpiece. Specifically, the first suction device 200 may be an electromagnet, and the electromagnet may be powered on to adsorb the workpiece, and it is understood that the first suction device 200 may also be adsorbed by other methods such as vacuum adsorption.
In this embodiment, install jacking seat 71 on the base 1, be equipped with climbing mechanism on jacking seat 71, be equipped with kicking block 73 on the climbing mechanism, kicking block 73 connects in platform 2, and climbing mechanism drive kicking block 73 goes up and down. After the workpiece is welded, the jacking mechanism can be started to jack the workpiece through the jacking block 73, so that the workpiece can be conveniently taken out of the welding tool.
In this embodiment, referring to fig. 4 and 5, the transverse clamping device 3 includes a transverse clamping base 31, a transverse clamping slide 32, a transverse driving device 33, and a transverse clamping mechanism 34, the transverse clamping base 31 is fixed to the base 1, the transverse clamping slide 32 is slidably disposed on the transverse clamping base 31 along a first direction and is driven by the transverse driving device 33 to slide, and the transverse clamping mechanism 34 is connected to the transverse clamping slide 32 to move with the transverse clamping slide 32 relative to the transverse clamping base 31.
Specifically, the lateral clamping base 31 includes two spaced-apart lateral bearing blocks 311 and a lateral bearing plate 313 connecting the two lateral bearing blocks 311, the lateral bearing block 311 includes a lateral bearing base plate 3111, a lateral bearing top plate 3112 and a lateral bearing plate 3113, and the lateral bearing base plate 3111 and the lateral bearing top plate 3112 are respectively connected to both ends of the lateral bearing plate 3113. Further, a transverse support rib plate 3114 connected to the transverse support plate 3113 is provided between the transverse support base plate 3111 and the transverse support top plate 3112 to enhance the strength of the transverse clamping base 31. Specifically, the lateral support top plate 3112 is provided with lateral guide rails 3115.
Specifically, the lateral clamping shoe 32 includes a lateral clamping shoe frame 321, a lateral support plate 322, and a lateral slider assembly 323, the lateral support plate 322 is disposed on the lateral clamping shoe frame 321, the lateral slider assembly 323 is disposed at the bottom of the lateral clamping shoe frame 321, and the lateral slider assembly 323 is slidably disposed on the lateral guide rail 3115 of the lateral clamping base 31. In particular, the lateral clamping carriage frame 321 is a frame structure to improve the strength of the lateral clamping carriage 32, and more particularly, the lateral clamping carriage frame 321 is formed by connecting cross beams and longitudinal beams, which are welded. Specifically, the transverse sliding block assembly 323 comprises a transverse plate 3231, a retaining plate 3232 arranged on the transverse plate 3231, and a transverse sliding block 3233 arranged at the bottom of the transverse plate 3231, and the retaining plate 3232 retains a transverse beam and/or a longitudinal beam of the transverse clamping sliding base frame 321, so as to increase the stressed area and improve the connection strength. The transverse slide block 3233 is provided with a transverse slide slot 32332 to cooperate with the transverse guide rail 3115.
In this embodiment, one end of the transverse support plate 322 is provided with an inclined surface, and the inclined surface forms a certain angle with the first direction. Specifically, one end of the lateral support plate 322 is provided with two intersecting inclined surfaces, and more specifically, the two inclined surfaces are symmetrically disposed. Further, a lateral clamping mechanism base 326 is provided on the lateral support plate 322, and the lateral clamping mechanism base 326 is provided along the edge of the inclined surface.
In this embodiment, the transverse driving system 33 includes two transverse driving supporting seats 331, two transverse driving bearing seats 332 disposed on the transverse driving supporting seats 331, a transverse driving screw rod 333, a transverse driving nut 334, a transverse driving speed reducer 335, and a transverse driving motor 336, the transverse driving supporting seats 331 are disposed on the base 1, the transverse driving screw rod 333 is mounted on the transverse driving bearing seats 332 through a bearing, the transverse driving nut 334 is engaged with the transverse driving screw rod 333, the transverse driving screw rod 333 is connected with the transverse driving motor 336 through the transverse driving speed reducer 335 and is driven by the transverse driving motor 336 to rotate, so as to drive the transverse driving nut 334 to move linearly along the transverse driving screw rod 333, and the transverse driving nut 334 is connected with the transverse plate 3231 of the transverse clamping sliding seat 32 to drive the transverse clamping sliding seat 32 to slide.
In this embodiment, the lateral clamp mechanism 34 is provided on the lateral clamp mechanism base 326 of the lateral clamp slide 32 in the direction along the inclination of the inclined surface of the lateral support plate 322, so that the lateral clamp mechanism 34 can clamp the deformed workpiece during the movement of the lateral clamp slide 32 in the first direction.
Specifically, the lateral clamping mechanism 34 includes a lateral clamping base 341, a lateral clamping plate 342, and a lateral driving mechanism 343, the lateral clamping base 341 being connected to the lateral clamping mechanism base 326, the lateral driving mechanism 343 being provided on the lateral clamping base 341 and being connected to the lateral clamping plate 342 to drive the lateral clamping plate 342 to move relative to the lateral clamping base 341 in a direction perpendicular to the inclined surface. Thus, the lateral driving mechanism 343 can drive the lateral clamping plate 342 to move, thereby achieving fine adjustment of clamping for better clamping of the workpiece. Specifically, the transverse driving mechanism 343 is a mechanism that can perform linear driving, such as an oil cylinder or an air cylinder. Specifically, the lateral clamp device 3 includes a plurality of lateral clamp mechanisms 34, and the plurality of lateral clamp mechanisms 34 are provided along the inclined surface.
Further, the lateral clamping mechanism further includes a lateral guide 344 and a lateral guide sleeve 345, the lateral guide sleeve 345 is disposed on the lateral clamping base 341, and the lateral guide 344 passes through the lateral guide sleeve 345 and is connected to the lateral clamping plate 342. The movement of the lateral clamping plate 342 is guided by the lateral guide rods 344, so that the movement of the lateral clamping plate 342 is smooth and accurate.
Referring to fig. 6 to 8, the first side clamping device 4 includes a first side clamping base 41, a first side clamping slide 42, a first side clamping plate 43, a first side clamping longitudinal driving system 44 for driving the first side clamping slide 42 to slide along a second direction perpendicular to the first direction, and a first side clamping transverse driving system 45 for driving the first side clamping plate 43 to slide along the first direction. Specifically, a first side clamping slider 42 is attached to the first side clamping base 41, and a first side clamping plate 43 is attached to the first side clamping slider 42.
Specifically, the welding tool includes two first side clamping devices 4, and the two first side clamping devices 4 are respectively located on two opposite sides of the platform 2.
In this embodiment, the first side clamping base 41 includes a first side clamping bottom plate 411, a first side clamping top plate 412, a first side clamping lower bearing seat 413 and a first side clamping upper bearing seat 414, the first side clamping lower bearing seat 413 is connected between the first side clamping bottom plate 411 and the first side clamping top plate 412, the first side clamping upper bearing seat 414 is connected to a side of the first side clamping top plate 412 far away from the first side clamping bottom plate 411, and a first side longitudinal rail 415 is arranged on the first side clamping upper bearing seat 414.
In this embodiment, the first side clamping slider 42 includes a first side clamping seat 421 and a first side longitudinal slider 422 disposed at the bottom of the first side clamping seat 421, and the first side longitudinal slider 422 is slidably engaged with the first side longitudinal rail 415 of the first side clamping base 41, so that the first side clamping slider 42 slides along the second direction.
In this embodiment, the first lateral clamping slider 42 further includes a first lateral transverse rail 423 disposed on one side of the first lateral clamping seat 421, and the first lateral clamping plate 43 is provided with a first lateral transverse slider 431, and the first lateral transverse slider 431 is engaged with the first lateral transverse rail 423 to enable the first lateral clamping plate 43 to slide along the first direction.
In this embodiment, the first side clamping longitudinal driving system 44 includes a first side longitudinal bearing seat 441, a first side longitudinal screw 442, a first side longitudinal nut 443, a first side longitudinal reducer 444 and a first side longitudinal driving motor 445, the first side longitudinal bearing seat 441 is disposed on the first side clamping top plate 412, the first side longitudinal screw 442 is mounted on the first side longitudinal bearing seat 441 through a bearing, the first side longitudinal nut 443 is engaged with the first side longitudinal screw 442, the first side longitudinal screw 442 is connected with the first side longitudinal driving motor 445 through the first side longitudinal reducer 444 and is driven to rotate by the first side longitudinal driving motor 445, thereby driving the first side longitudinal nut 443 to linearly move along the first side longitudinal screw 442, and the first side longitudinal nut 443 is connected to the first side longitudinal slider 422 of the first side longitudinal clamping slider 42 to slide the first side longitudinal clamping slider 42 in the second direction. Therefore, the longitudinal movement of the first side clamping device 4 can be realized, the workpiece can be conveniently positioned and clamped, and the clamping device can be suitable for clamping and positioning different workpieces.
In this embodiment, the first lateral clamping lateral driving system 45 includes a first lateral driving member, which is disposed on the first lateral clamping seat 421 of the first lateral clamping slide 42 and connected to the first lateral clamping plate 43 to drive the first lateral clamping plate 43 to move along the first direction relative to the first lateral clamping slide 42. Specifically, the first lateral driving member is an air cylinder or an oil cylinder, the cylinder body is fixed on the first lateral clamping seat 421, and the piston rod is hinged on the first lateral clamping plate 43. The position of the first side clamping plate 43 in the first direction can be adjusted by the first side clamping transverse driving system 45, so that the workpiece can be conveniently positioned and clamped, and the workpiece clamping device can be suitable for clamping and positioning different workpieces.
In this embodiment, the first side clamping plate 43 is provided with a second suction member 46 to apply a suction force to the workpiece, thereby improving the clamping force to the workpiece. Specifically, the second adsorption member 46 may be an electromagnet, and the electromagnet may adsorb the workpiece after being electrified, and it is understood that the adsorption member 46 may also be adsorbed by other methods such as vacuum adsorption.
In this embodiment, the welding tool may include two second side clamping devices 5, the two second side clamping devices 5 are respectively located on two opposite sides of the platform 2, and in the first direction, the first side clamping device 4 is located between the second side clamping device 5 and the transverse clamping device 3.
In this embodiment, referring to fig. 9 and 10, the second side clamping device 5 includes a second side clamping base 51, a second side clamping slide 52, a second side clamping column 53, a second side clamping mechanism 54, and a second side clamping driving system 55, the second side clamping base 51 is fixed to the base 1, the second side clamping column 53 is connected between the second side clamping slide 52 and the second side clamping mechanism 54, and the second side clamping driving system 55 can drive the second side clamping slide 52 to slide relative to the second side clamping base 51 along the second direction, so as to drive the second side clamping mechanism 54 to move in the second direction. Specifically, the second side clamping mechanism 54 includes a second side clamping plate 542, the second side clamping plate 542 is used for clamping the workpiece, and the second side clamping plate 542 is disposed away from the transverse clamping plate 342 of the transverse clamping device 3, and the second side clamping plate 542 of the second side clamping mechanism 54 is inclined at an angle with respect to the second direction. More specifically, the second side clamping plate 542 of one second side clamping device 5 is parallel to the lateral clamping plate 342 of a part of the lateral clamping mechanism 34, and the second side clamping plate 542 of the other second side clamping device 5 is parallel to the lateral clamping plate 342 of the other lateral clamping mechanism 34.
In this embodiment, the second side clamping base 51 includes a second side clamping bottom plate 511, a second side clamping top plate 512, a second side clamping lower supporting base 513 and a second side clamping upper supporting base 514, the second side clamping lower supporting base 513 is connected between the second side clamping bottom plate 511 and the second side clamping top plate 512, the second side clamping upper supporting base 514 is connected to a side of the second side clamping top plate 512 away from the second side clamping bottom plate 511, and a second side guide 515 is disposed on the second side clamping upper supporting base 514.
In this embodiment, the second side clamping slide 52 includes a second side clamping seat 521 and a second side slide block 522 disposed at the bottom of the second side clamping seat 521, and the second side slide block 522 slidably cooperates with the second side guide rail 515 of the second side clamping base 51 to slide the second side clamping slide 52 in the second direction.
In this embodiment, the second side clamping mechanism 54 further includes a transverse clamping base 541 and a second side driving mechanism 543, the second side clamping base 541 is connected to the second side clamping column 53, the second side driving mechanism 543 is disposed on the second side clamping base 541 and is connected to the second side clamping plate 542 to drive the second side clamping plate 542 to move relative to the second side clamping base 541, and the moving direction is perpendicular to the arrangement direction of the second side clamping plate 542. Therefore, the second side driving mechanism 543 can drive the second side clamping plate 542 to move, so that fine adjustment of clamping is realized, and the workpiece is clamped better. Specifically, the second side driving mechanism 543 is a mechanism that can implement linear driving, such as an oil cylinder or an air cylinder.
In this embodiment, the second side clamping driving system 55 includes a second side bearing block 551, a second side screw 552, a second side nut 553, a second side reducer 554 and a second side driving motor 555, the second side bearing block 551 is disposed on the second side clamping top plate 512, the second side screw 552 is mounted on the second side bearing block 551 through a bearing, the second side nut 553 is matched with the second side screw 552, the second side screw 552 is connected with the second side driving motor 555 through the second side reducer 554 and is driven to rotate by the second side driving motor 555, so as to drive the second side driving nut 553 to move linearly along the second side screw 552, and the second side nut 553 is connected with the second side slider 522 of the second side clamping slide 52 to drive the second side clamping slide 52 to slide in the second direction. Therefore, the longitudinal movement of the second side clamping device 5 can be realized, the workpiece can be conveniently positioned and clamped, and the clamping device can be suitable for clamping and positioning different workpieces.
In this embodiment, referring to fig. 11 to 14, the cross type clamping device 6 includes two swing arm clamping mechanisms 64, each swing arm clamping mechanism 64 includes a clamping block 643, the two swing arm clamping mechanisms 64 are rotatably connected in a scissors-type cross manner, and the clamping blocks 643 on the two swing arm clamping mechanisms 64 are disposed at an angle. Thus, the clamping blocks 643 of the two swing arm clamping mechanisms 64 can clamp workpieces from different directions, and are suitable for clamping and positioning different workpieces, and the clamping is convenient. Specifically, the axis of rotation of the swing arm clamping mechanism 64 is perpendicular to the platform 2. Specifically, the grip surface of the grip block 643 is disposed toward one side of the lateral grip device 3.
Specifically, the clamping block 643 includes a plate body 6431, front ribs 6432 disposed at intervals on one side of the plate body 6431, and rear ribs 6433 disposed at intervals on the other side of the plate body 6431. The clamping block 643 with the structure has higher strength, clamps the workpiece through the front ribs 6432, has small clamping force bearing area, and is easy to clamp the workpiece. Further, the third suction member 600 is provided on the clamp block 643 to apply a suction force to the workpiece, thereby improving a clamping force to the workpiece. Specifically, the third adsorbing member 600 may be an electromagnet, and the electromagnet may adsorb the workpiece after being electrified, and it can be understood that the adsorbing member 600 may also be adsorbed by other methods such as vacuum adsorption.
In this embodiment, the cross clamping device 6 further includes a cross clamping base 61, the swing arm clamping mechanism 64 is disposed on the cross clamping base 61, and the cross clamping base 61 is slidably disposed on the base 1 along the first direction, so as to drive the whole cross clamping device 6 to slide along the first direction.
In this embodiment, the cross clamping base 61 includes a cross clamping base frame 611, a bottom plate 612 disposed on the cross clamping base frame 611, a supporting frame 613 fixed on the bottom plate 612, and a first cross rail 614 disposed at the bottom of the cross clamping base frame 611, the first cross rail 614 is engaged with the base 1; cross clamp 6 further includes a first drive system 65 to drive cross clamp base 61 to slide in a first direction relative to base 1.
Specifically, the first driving system 65 includes a first bearing seat 651, a first lead screw 652, a first nut 653, a first speed reducer 654 and a first driving motor 655, the first bearing seat 651 is fixed on the base 1, the first lead screw 652 is mounted on the first bearing seat 651 through a bearing, the first nut 653 is matched with the first lead screw 652, the first nut 653 is further connected with the bottom plate 612 of the cross clamping base 61, the first lead screw 652 is connected with the first driving motor 655 through the first speed reducer 654, and the first driving motor 655 drives the first lead screw 652 to rotate, so as to drive the first nut 653 to move linearly, thereby driving the bottom plate 612 of the cross clamping base 61 to move along the first direction.
In this embodiment, the cross clamping device 6 further includes a column 63, the column 63 is disposed on the cross clamping base 61, and the swing arm clamping mechanism 64 is rotatably disposed on the column 63.
Specifically, the upright 63 includes a connecting flange 631, an upright body (not shown), and a shaft sleeve 635, the connecting flange 631 is fixedly connected to the bottom plate 612 of the cross-type clamping base 61, the upright body is connected to the connecting flange 631, the shaft sleeve 635 is sleeved on the upright body and can rotate relative to the upright body, and the swing arm clamping mechanism 64 is sleeved on the shaft sleeve 635. Further, an oil groove 634 may be formed in the column body to store oil, so as to ensure good lubrication and less wear between the shaft sleeve 635 and the column body. More specifically, the pillar body includes a first portion 632 and a second portion 633 connected to each other, the first portion 632 is connected between the second portion 633 and the connecting flange 631, the size of the second portion 633 is smaller than that of the first portion 632, and the bushing 635 is sleeved on the second portion 633.
In this embodiment, the swing arm clamping mechanism 64 further includes a swing arm 641 and an upright arm 642 connected to the swing arm 641, the swing arm 641 is sleeved on the bushing 635, the two upright arms 642 are respectively located at two sides of a connection portion between the swing arm 641 and the bushing 635, and the clamping block 643 is disposed on the upright arm 642. In this embodiment, the swing arm 641 and the bushing 635 are in an interference fit. Specifically, upright arm 642 includes a lower arm 6421 and an upper arm 6422 connected to each other, and both lower arm 6421 and upper arm 6422 are hollow housings to reduce weight.
In this embodiment, the vertical arm 642 is provided with an upper sliding block 645, the swing arm clamping mechanism 64 further includes a second driving system 644, the clamping block 643 is provided with an upper guide rail 646 which is matched with the upper sliding block 645, and the second driving system 644 drives the clamping block 643 to slide along a third direction which is perpendicular to the rotation axis of the swing arm clamping mechanism 64 relative to the vertical arm 642. The clamping block 643 slides along the third direction, so that the workpiece can be conveniently positioned and clamped, and the clamping block 643 can be suitable for clamping and positioning different workpieces.
In this embodiment, the cross clamping device 6 further includes a cross clamping slide 62 and a third driving system 66, the cross clamping slide 62 includes a cross clamping seat 621 and two connecting rods 625 hinged to the cross clamping seat 621, the two connecting rods 625 are respectively connected to the two swing arm clamping mechanisms 64, and the rotation of the connecting rods 625 can drive the swing arm clamping mechanisms 64 to rotate, so as to adjust the positions of the two swing arm clamping mechanisms 64.
Specifically, the cross clamping slide 62 further includes a turret seat 622, a turret shaft 623 and two rotating sleeves 624, the turret seat 622 is disposed on the cross clamping seat 621, the turret shaft 623 is disposed on the turret seat 622, the two rotating sleeves 624 are respectively sleeved on the turret shaft 623, and the two connecting rods 625 are respectively connected to the two rotating sleeves 624.
More specifically, the connecting rod 625 comprises a fixed rod 6251, an adjusting nut 6252, an adjusting rod 6253 and a hinged seat 6254, one end of the fixed rod 6251 is fixed on the rotating sleeve 624, the adjusting nut 6252 is fixed on the other end of the fixed rod 6251, one end of the adjusting rod 6253 is matched with the adjusting nut 6252, the other end of the adjusting rod 6253 is hinged on the hinged seat 6254, and the hinged seat 6254 is fixedly connected to the upright arm 642 of the swing arm clamping mechanism 64.
In the welding tool, the transverse clamping device 3 can move in the first direction, the first side clamping device 4 can move in the second direction and move in the first direction, the second side clamping device 5 can move in the second direction, the cross type clamping device 6 can move in the first direction, move in the third direction and adjust the clamping angle of the clamping block 643, and the transverse clamping device 3 and the second side clamping device 5 can achieve fine adjustment in the direction inclined relative to the first direction and the second direction so as to better clamp workpieces.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The clamping assembly of the welding tool is characterized by comprising a crossed clamping device, wherein the crossed clamping device comprises two swing arm clamping mechanisms, a crossed clamping sliding seat and a third driving system, each swing arm clamping mechanism comprises a clamping block, a swing arm, an upright arm connected with the swing arm and a second driving system, the swing arm is sleeved on a shaft sleeve, the two upright arms are respectively positioned at two sides of the joint of the swing arm and the shaft sleeve, the clamping block is arranged on the upright arm, an upper sliding block is arranged on the upright arm, an upper guide rail matched with the upper sliding block is arranged on the clamping block, the two swing arm clamping mechanisms are in scissor-type crossed rotation connection, the clamping blocks on the two swing arm clamping mechanisms are in angle setting, the second driving system drives the clamping blocks to be opposite to the upright arm to slide along a third direction, and the third direction is perpendicular to the rotation axis of the swing arm clamping mechanisms, the crossed clamping sliding seat comprises a crossed clamping seat, two connecting rods hinged to the clamping seat, a rotating tower shaft and two rotating sleeves, the two connecting rods are respectively connected to the two swing arm clamping mechanisms, the connecting rods rotate to drive the swing arm clamping mechanisms to rotate, the rotating tower seat is arranged on the crossed clamping seat, the rotating tower shaft is arranged on the rotating tower seat, the two rotating sleeves are respectively sleeved on the rotating tower shaft, and the two connecting rods are respectively connected to the two rotating sleeves; the clamping assembly of the welding tool further comprises a base and a platform, the platform is arranged on the base and used for placing a workpiece, and the crossed clamping device is arranged on the base and used for clamping the workpiece; the jacking platform is characterized in that a jacking seat is installed on the base, a jacking mechanism is arranged on the jacking seat, a jacking block is arranged on the jacking mechanism, the jacking block is connected to the platform, and the jacking mechanism drives the jacking block to lift.
2. The clamping assembly of the welding tool according to claim 1, wherein the clamping block comprises a plate body, front ribs arranged at intervals on one side of the plate body, and rear ribs arranged at intervals on the other side of the plate body; and the clamping block is provided with an adsorption piece to apply adsorption force to the workpiece.
3. The clamping assembly of the welding tool of claim 2, wherein the cross clamping device further comprises a cross clamping base, the swing arm clamping mechanism is disposed on the cross clamping base, and the cross clamping base is slidably disposed on the base along a first direction, so as to drive the cross clamping device to slide along the first direction.
4. The clamping assembly of the welding fixture of claim 3, wherein the cross clamp base includes a cross clamp base frame, a base plate disposed on the cross clamp base frame, a support frame secured to the base plate, and a first cross rail disposed at a bottom of the cross clamp base frame, the first cross rail cooperating with the base.
5. The clamping assembly of the welding tool of claim 4, wherein the cross clamp further comprises a first drive system to drive the cross clamp base to slide relative to the base in the first direction.
6. The clamping assembly of the welding tool according to claim 5, wherein the first driving system comprises a first bearing seat, a first lead screw, a first nut, a first speed reducer and a first driving motor, the first bearing seat is fixed on the base, the first lead screw is mounted on the first bearing seat through a bearing, the first nut is matched with the first lead screw, the first nut is further connected with the bottom plate of the cross clamping base, the first lead screw is connected with the first driving motor through the first speed reducer, and the first driving motor drives the first lead screw to rotate so as to drive the first nut to move linearly, so that the bottom plate of the cross clamping base is driven to move along the first direction.
7. The clamping assembly of the welding fixture of claim 6, wherein the cross clamp further comprises a post, the post is disposed on the cross clamp base, and the swing arm clamp is rotatably disposed on the post.
8. The clamping assembly of the welding tool of claim 7, wherein the column includes a connecting flange, a column body, and the shaft sleeve, the connecting flange is fixedly connected to the bottom plate of the cross clamping base, the column body is connected to the connecting flange, the shaft sleeve is sleeved on the column body and rotates relative to the column body, and the swing arm clamping mechanism is sleeved on the shaft sleeve.
9. The clamping assembly of the welding tool of claim 1, wherein the connecting rod comprises a fixing rod, an adjusting nut, an adjusting rod and a hinged seat, one end of the fixing rod is fixed on the rotating sleeve, the adjusting nut is fixed at the other end of the fixing rod, one end of the adjusting rod is matched with the adjusting nut, the other end of the adjusting rod is hinged to the hinged seat, and the hinged seat is fixedly connected to the vertical arm of the swing arm clamping mechanism.
10. The clamping assembly of the welding tool of any one of claims 1 to 9, further comprising a lateral clamping device, a first lateral clamping device and a second lateral clamping device disposed on the base, the lateral clamping device moving in a first direction of the base, the first lateral clamping device moving in a first direction and a second direction of the base, the second lateral clamping device moving in a second direction of the base, the first direction being perpendicular to the second direction.
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| CN201710199598.5A CN106903474B (en) | 2017-03-29 | 2017-03-29 | Clamping assembly of welding tool |
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| CN201710199598.5A CN106903474B (en) | 2017-03-29 | 2017-03-29 | Clamping assembly of welding tool |
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| CN106903474A CN106903474A (en) | 2017-06-30 |
| CN106903474B true CN106903474B (en) | 2021-01-01 |
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| CN201710199598.5A Expired - Fee Related CN106903474B (en) | 2017-03-29 | 2017-03-29 | Clamping assembly of welding tool |
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| CN110919560B (en) * | 2018-09-19 | 2021-06-08 | 漳浦比速光电科技有限公司 | Clamping device for processing photoelectric component and clamping method thereof |
| CN110102948B (en) * | 2019-06-17 | 2020-10-02 | 安徽机电职业技术学院 | Full-automatic tube plate welding tool platform |
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| CN111163901B (en) * | 2019-12-16 | 2022-03-08 | 苏州信运比尔精密机械有限公司 | Automatic positioning jig |
| CN112621070A (en) * | 2020-12-18 | 2021-04-09 | 南京亭上雪科技有限公司 | Splicing device before steel plate welding |
| CN113182759A (en) * | 2021-07-01 | 2021-07-30 | 南通新丰威机械科技有限公司 | Welding device for metal parts |
| CN114871664B (en) * | 2022-02-22 | 2024-08-06 | 衡阳晨峰钢结构有限公司 | Multifunctional welding tool |
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