CN118218901A - Frock clamp for steel pipe welding - Google Patents
Frock clamp for steel pipe welding Download PDFInfo
- Publication number
- CN118218901A CN118218901A CN202410560579.0A CN202410560579A CN118218901A CN 118218901 A CN118218901 A CN 118218901A CN 202410560579 A CN202410560579 A CN 202410560579A CN 118218901 A CN118218901 A CN 118218901A
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- Prior art keywords
- fixedly connected
- rod
- steel pipes
- plate
- pipe
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 79
- 239000010959 steel Substances 0.000 title claims abstract description 79
- 238000003466 welding Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000003014 reinforcing effect Effects 0.000 claims description 22
- 238000003860 storage Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 10
- 210000001503 joint Anatomy 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001502 supplementing effect 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 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
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0531—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor internal pipe alignment clamps
-
- 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
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
-
- 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
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0538—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor for rotating tubes, e.g. rollers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a tooling clamp for welding steel pipes, and belongs to the technical field of welding tooling clamps. This frock clamp for steel pipe welding includes: the device comprises a placing table, a double-head screw rod, a first motor fixedly connected to the placing table, a threaded sleeve in threaded connection with the double-head screw rod, a first conical gear meshed with the output shaft of the first motor and the surface of the double-head screw rod, a clamping mechanism and a clamping force adjusting mechanism, wherein the clamping mechanism is arranged on the threaded sleeve; according to the invention, the clamping mechanism utilizes the contact parts to simultaneously carry out multipoint positioning on the inside of the steel pipe, so that the steel pipe and the clamping mechanism are in a connection state, meanwhile, under the action of gravity of the steel pipe, the height of the steel pipe can be automatically adjusted, the steel pipe can be stably placed on the bearing plate, and under the action of the two mounting rings with the same horizontal height and the bearing plate, the two steel pipes to be welded are adjusted to be in a concentric and unbiased state, the difficulty of butt joint of the steel pipes is reduced, and the accuracy of butt joint of the steel pipes is improved.
Description
Technical Field
The invention relates to the technical field of welding tool clamps, in particular to a tool clamp for welding steel pipes.
Background
The steel pipes have a hollow cross section and a length greater than their diameter, and can be used for transporting liquids and powdery solids, and in addition, the steel pipes can also be used for manufacturing building frameworks, support columns and mechanical supports, sometimes requiring welding of two steel pipes when they are used. The steel pipe welding fixture is used for fixing and processing the steel pipe so as to keep a stable position until the welding operation is completed. At present, a plurality of clamping plates which are distributed in an annular mode and end clamping plates are matched with each other in the prior art, the outer wall and the end of the steel pipe are positioned and clamped, stability of the steel pipe during welding is guaranteed, the steel pipe is affected by the shape of the pipeline, positioning points and contact areas are small, meanwhile, when two steel pipes are in butt joint, operators are required to assist in butt joint, the two steel pipes can be guaranteed to be in concentric centers and unbiased states, and operation difficulty of clamping the steel pipes is increased.
Disclosure of Invention
Based on the problems, it is necessary to provide a fixture for welding steel pipes, which aims at the problems of the butt joint accuracy and the clamping stability of two steel pipes.
A tooling clamp for welding steel pipes, comprising:
The device comprises a placing table, a double-head screw rod, a first motor fixedly connected to the placing table, a threaded sleeve in threaded connection with the double-head screw rod, a first conical gear meshed with the output shaft of the first motor and the surface of the double-head screw rod, a clamping mechanism and a clamping force adjusting mechanism, wherein the clamping mechanism is arranged on the threaded sleeve;
The clamping mechanism comprises a mounting frame connected to a threaded sleeve, a first spring is connected to the inner bottom wall of the mounting frame, an air storage cylinder is fixedly connected to the other end of the first spring, a lifting rod is inserted onto a fixing rod, the lower end of the lifting rod penetrates through the fixing rod and is fixedly connected with the air storage cylinder, the upper end of the lifting rod is fixedly connected with a mounting ring, the inner edge of the lifting rod is rotationally connected with a circular plate through a bearing, one side of the circular plate is fixedly connected with the fixing ring, the other side of the circular plate is rotationally connected with a circular rod, the circular rod penetrates through the circular plate and is fixedly connected with a third conical gear, a plurality of fourth conical gears are meshed on the third conical gear in an annular mode, a first threaded pipe rotating with the fixing ring is connected to the end portion of the fourth conical gear in a fixed mode, a first screw rod is connected to the other end of the first threaded pipe in a threaded mode, a contact portion is arranged at the other end of the first screw rod, a five-way pipe is arranged between the four contact portions, one remaining interface penetrates through the third conical gear and the circular rod, the other side of the circular plate is fixedly connected with a second motor, and the circular rod is fixedly connected with a meshed second conical gear;
Four first cylinders are embedded in the outer wall of each air cylinder, the second springs are fixedly connected to the inner walls of the first cylinders, the first piston rods are fixedly connected to the other ends of the second springs, the first piston rods penetrate out of the first cylinders and are connected with locking blocks, and a first three-way pipe is arranged between each two air cylinders and one end of each five-way pipe.
In one embodiment, the clamping mechanism further comprises four second cylinders which are connected to one side of the circular plate in an annular mode, a third spring is connected in each second cylinder, the other end of each third spring is connected with a second piston rod, one end of each second piston rod penetrates through each second cylinder and is provided with a reinforcing plate, air pipes are arranged between the four second cylinders and the five-way pipe, and the reinforcing plates correspond to the contact positions.
In one embodiment, the clamping force adjusting mechanism comprises an adjusting cylinder connected to the placing table, a second three-way pipe communicated between the two first three-way pipes and a piston plate positioned in the adjusting cylinder, a fourth spring is connected to the piston plate, a moving plate is fixedly connected to the top end of the fourth spring, a second threaded pipe is rotatably connected to the adjusting cylinder through a bearing, a second screw rod is connected to the end portion of the second threaded pipe through threads, the other end of the second screw rod is rotatably connected with the moving plate, two exhaust holes are formed in the adjusting cylinder, and the two exhaust holes are positioned at the same level and are positioned on two sides of the adjusting cylinder respectively.
In one embodiment, the second three-way pipe is provided with an electromagnetic valve, the second threaded pipe is provided with a resistance increasing sleeve, and the resistance increasing sleeve is in a convex shape.
In one embodiment, the contact part is internally provided with a gas storage area and is communicated with the five-way pipe, and the contact part and the reinforcing plate are both rubber material components.
In one embodiment, a groove is formed in the fixing rod, and a protruding block matched with the groove is arranged on the outer side of the locking block.
In one embodiment, a sealing bearing is arranged at the end part of the first three-way pipe, and the inner edge of the sealing bearing is fixedly connected with the surface of the remaining end of the five-way pipe.
In one embodiment, a third motor is embedded in the side face of the mounting ring, an output shaft of the third motor is fixedly connected with a circular gear, and a gear ring meshed with the circular gear is fixedly connected to the other side of the circular plate.
In one embodiment, the placing table is provided with a supporting plate, the upper opening of the supporting plate is arc-shaped, and the middle of the top end of the supporting plate is provided with a reserved groove which divides the upper opening of the supporting plate into two parts.
In one embodiment, two telescopic rods are arranged between the mounting frames, each telescopic rod comprises a middle rod, connecting rods are inserted into two ends of each middle rod, and the other ends of the connecting rods are connected with the mounting frames.
The clamping mechanism utilizes the contact parts to simultaneously carry out multi-point positioning on the steel pipes, so that the steel pipes and the clamping mechanism are in a connection state, simultaneously under the action of gravity of the steel pipes, the height of the steel pipes can be automatically adjusted, the steel pipes can be stably placed on the bearing plates, under the action of the two mounting rings and the bearing plates with the same horizontal heights, the two steel pipes to be welded are adjusted to be concentric and unbiased, the butting difficulty of the steel pipes is reduced, the butting accuracy of the steel pipes is improved, the reinforcing plates are clamped on the outer walls of the steel pipes in the automatic operation process of the steel pipes, the contact parts in the reinforcing plates are matched with each other, the clamping stability of the reinforcing plates is improved, the locking blocks can automatically carry out locking operation on the inner walls of the fixing rods, the connection relation between the fixing rods and the lifting rods is not changed after the concentric maintenance of the two steel pipes, the stability of the two steel pipes in the subsequent welding process is increased, and the clamping force adjusting mechanism can regulate and control the air pressure values inside the first cylinder and the second cylinder to assist the control of the locking force and the clamping force of the reinforcing plates.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, a brief description will be given below of the drawings used in the embodiments or the description of the prior art, it being obvious that the drawings in the following description are some embodiments of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the connection of the first screw, clamping mechanism and clamping force adjusting mechanism of the present invention;
FIG. 3 is a schematic diagram of the connection of a first motor and a first wire rod according to the present invention;
FIG. 4 is a schematic view of a part of the clamping mechanism according to the present invention;
FIG. 5 is a schematic diagram of the operation structure of the clamping mechanism of the present invention;
FIG. 6 is an exploded view of the mounting ring and circular plate of the present invention;
FIG. 7 is a schematic illustration of the connection of a round bar and a first threaded tube according to the present invention;
FIG. 8 is an enlarged view of the invention at A in FIG. 7;
FIG. 9 is a schematic illustration of the connection of a first threaded pipe and a contact portion of the present invention;
FIG. 10 is a cross-sectional view of the connection of the first cylinder and the reinforcement plate of the present invention;
FIG. 11 is a cross-sectional view of a securing lever of the present invention;
FIG. 12 is an exploded view of the mounting rod and air reservoir of the present invention;
fig. 13 is a schematic structural view of the clamping force adjusting mechanism of the present invention.
Reference numerals:
100. A placement table; 200. double-end screw rod; 300. a first motor; 400. a first bevel gear; 500. a thread sleeve; 600. a clamping mechanism; 610. a mounting frame; 620. a fixed rod; 621. a first spring; 622. a lifting rod; 623. a mounting ring; 630. a circular plate; 631. a gear ring; 632. a third motor; 633. a circular gear; 640. a fixing ring; 641. a round bar; 642. a second bevel gear; 643. a third bevel gear; 644. a first threaded pipe; 645. a fourth bevel gear; 646. a first screw rod; 647. a contact portion; 648. a five-way pipe; 649. a second motor; 650. a second cylinder; 651. a third spring; 652. a second piston rod; 653. a reinforcing plate; 654. an air pipe; 660. an air cylinder; 661. a first cylinder; 662. a second spring; 663. a first piston rod; 664. a first tee; 665. sealing the bearing; 666. a locking block; 700. a clamping force adjusting mechanism; 710. an adjustment cylinder; 720. a second threaded tube; 730. a second screw rod; 740. a fourth spring; 750. a piston plate; 760. an exhaust hole; 770. a second tee; 771. an electromagnetic valve; 780. and (3) moving the plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. 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.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and the like are used in the description of the present invention for the purpose of illustration only and do not represent the only embodiment.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" on a second feature may be that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through intermedial media. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.
Unless defined otherwise, all technical and scientific terms used in the specification of the present invention have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used in the description of the present invention includes any and all combinations of one or more of the associated listed items.
The tooling clamp for welding the steel pipe of the present invention will be described with reference to fig. 1 to 13.
In one embodiment, a tooling clamp for welding steel pipes comprises:
The device comprises a placing table 100, a first motor 300 fixedly connected to the placing table 100, a double-head screw rod 200 rotationally connected to the top end of the placing table 100, two threaded sleeves 500 connected to two ends of the surface of the double-head screw rod 200 in a threaded manner, a first conical gear 400 meshed with the output shaft of the first motor 300 and the surface of the double-head screw rod 200 in a fixed manner, a clamping mechanism 600 and a clamping force adjusting mechanism 700, wherein the clamping mechanism 600 is arranged on the threaded sleeves 500;
The clamping mechanism 600 comprises a mounting frame 610, a first spring 621 and an air storage cylinder 660 which are connected to a threaded sleeve 500, one end of the first spring 621 is connected to the inner bottom wall of the mounting frame 610, the other end of the first spring 621 is fixedly connected with the air storage cylinder 660, a lifting rod 622 is inserted into the fixed rod 620, the lower end of the lifting rod 622 penetrates through the fixed rod 620 and is fixedly connected with the air storage cylinder 660, the upper end of the lifting rod 622 is fixedly connected with a mounting ring 623, the inner edge of the lifting rod is rotatably connected with a circular plate 630 through a bearing, one side of the circular plate 630 is fixedly connected with a fixed ring 640, the other side of the circular plate 630 is rotatably connected with a round rod 641, the round rod 641 penetrates through the circular plate 630 and is fixedly connected with a third conical gear 643, a plurality of fourth conical gears 645 are meshed on the third conical gear 643 in a ring mode, the end of the fourth conical gear 645 is fixedly connected with a first threaded pipe 644 which rotates with the fixed ring 640, the other end of the first threaded pipe 644 is connected with a first lead screw 646 in a threaded mode, the other end of the first lead 646 is provided with a contact part 647, five-way 648 is arranged between the four contact parts 647, the other side of the five-way joint pipe 648 penetrates through the third conical gear 6443 and the second conical gear 649, and is fixedly connected with the third conical gear 6443, and the third conical gear 649, and the fourth conical gear 6443 is fixedly connected with the fourth conical gear 649, and the fourth conical gear is fixedly connected with the fourth conical gear and the fourth conical gear 649;
Four first cylinders 661 are embedded in the outer wall of the air storage cylinder 660, the inner wall of the first cylinder 661 is fixedly connected with a second spring 662, the other end of the second spring 662 is fixedly connected with a first piston rod 663, the first piston rod 663 penetrates out of the first cylinder 661 and is connected with a locking block 666, and a first three-way pipe 664 is arranged between the two air storage cylinders 660 and one end of the five-way pipe 648.
As shown in fig. 2, 4, 5, 7, 8, 10 and 12, the clamping mechanism 600 further includes four second cylinders 650 annularly connected to one sides of the circular plate 630, a third spring 651 is connected in the second cylinders 650, the other ends of the third springs 651 are connected with second piston rods 652, one ends of the second piston rods 652 penetrate the second cylinders 650 and are provided with reinforcing plates 653, air pipes 654 are provided between the four second cylinders 650 and the five-way pipes 648, and the reinforcing plates 653 correspond to the contact portions 647 in position.
In this embodiment, when the contact portion 647 is pressed, the gas inside the contact portion 647 is sequentially inputted into the second cylinder 650 from the five-way pipe 648 and the gas pipe 654, and the reinforcing plate 653 reinforces the outer wall of the steel pipe at the position corresponding to the contact portion 647, and the two mutually cooperate to realize multi-point positioning and clamping.
The contact portion 647 is formed with a gas storage area therein and communicates with the five-way pipe 648, and the contact portion 647 and the reinforcing plate 653 are rubber material members.
A groove is arranged in the fixing rod 620, and a convex block matched with the groove is arranged on the outer side of the locking block 666.
In this embodiment, the friction between the locking block 666 and the inner wall of the fixing rod 620 can be increased, and the locking stability between the two can be improved.
The end of the first tee 664 is provided with a sealing bearing 665, and the inner edge of the sealing bearing 665 is fixedly connected with the surface of the remaining end of the five-way pipe 648.
In this embodiment, when the five-way tube 648 rotates along with the circular plate 630 under the action of the seal bearing 665, the first three-way tube 664 is not affected by the rotation, and the protection effect is provided for the first three-way tube 664.
As shown in fig. 1, 2 and 6, a third motor 632 is embedded in the side surface of the mounting ring 623, an output shaft of the third motor 632 is fixedly connected with a circular gear 633, and a gear ring 631 meshed with the circular gear 633 is fixedly connected with the other side of the circular plate 630.
In this embodiment, when two steel pipes are welded by using the existing welding machine, the third motor 632 is started, under the cooperation of the circular gear 633 and the gear ring 631, the two clamped steel pipes can rotate simultaneously, and the welding is performed at a position where no movement is required, so that the difficulty of welding the steel pipes is reduced.
The placing table 100 is provided with a supporting plate, the upper opening of the supporting plate is arc-shaped, and the middle part of the top end of the supporting plate is provided with a reserved groove which divides the upper opening of the supporting plate into two parts.
Two telescopic rods are arranged between the two mounting frames 610, each telescopic rod comprises a middle rod, connecting rods are inserted into two ends of each middle rod, and the other ends of the connecting rods are connected with the mounting frames 610.
In this embodiment, the telescopic rod can ensure that the two mounting frames 610 are at the same horizontal height, and the telescopic rod needs to be kept parallel to the support bracket when being arranged, and when the clamping mechanism 600 operates, the inserted middle rod and connecting rod can automatically adjust the length of the connecting rod, so that the clamping operation is not affected.
As shown in fig. 2, 5, 7 and 13, the clamping force adjusting mechanism 700 includes an adjusting cylinder 710 connected to the placing table 100, a second tee pipe 770 connected between the two first tee pipes 664, and a piston plate 750 located in the adjusting cylinder 710, a fourth spring 740 is connected to the piston plate 750, a moving plate 780 is fixedly connected to the top end of the fourth spring 740, a second threaded pipe 720 is rotatably connected to the adjusting cylinder 710 by means of a bearing, a second screw rod 730 is screwed to an end portion of the second threaded pipe 720, the other end of the second screw rod 730 is rotatably connected to the moving plate 780, two exhaust holes 760 are provided in the adjusting cylinder 710, and the two exhaust holes 760 are located at the same level and are located at two sides of the adjusting cylinder 710.
The second tee 770 is provided with an electromagnetic valve 771, the second threaded tube 720 is provided with a resistance increasing sleeve, and the resistance increasing sleeve is in a convex shape.
In this embodiment, the second screw rod 730 is used to drive the moving plate 780 to move in the adjusting cylinder 710, so as to achieve the purpose of adjusting the fourth spring 740, and to adjust the pressure value of the piston plate 750, the gas entering from the second tee pipe 770 enters from the bottom of the adjusting cylinder 710, extrudes the piston plate 750 to move upwards, and when moving to the preset position, the gas in the adjusting cylinder 710 is discharged from the exhaust hole 760, the electromagnetic valve 771 is set, and the air supplementing operation can be performed in time when the later device is reset and the internal gas is unbalanced.
The clamping mechanism 600 uses the multiple contact portions 647 to simultaneously perform multi-point positioning on the steel pipes, so that the steel pipes and the clamping mechanism 600 are in a connection state, meanwhile, under the action of gravity of the steel pipes, the steel pipes can be stably placed on the supporting plate, under the action of the two mounting rings 623 with the same horizontal heights and the supporting plate, the two steel pipes to be welded are adjusted to be concentric and have no deviation, the difficulty of butt joint of the steel pipes is reduced, the accuracy of butt joint of the steel pipes is improved, in the process of automatic operation of the clamping mechanism, the multiple reinforcing plates 653 are clamped on the outer walls of the steel pipes, the contact portions 647 in the reinforcing plates are mutually matched, the clamping stability of the reinforcing plates is improved, the locking blocks 666 can automatically perform locking operation on the inner walls of the fixing rods 620, after the concentric maintenance of the two steel pipes is ensured, the connection relation between the fixing rods 620 and the lifting rods 622 is not changed any more, the stability of the two steel pipes in the subsequent welding process is increased, and the clamping force adjusting mechanism 700 can regulate and control the air pressure values inside the first cylinder 661 and the second cylinder 650, so that the clamping force and the clamping force of the reinforcing plates 653 are controlled.
Working principle: placing two steel pipes to be welded on a bearing plate, starting a first motor 300, under the action of two first bevel gears 400, rotating a double-head screw rod 200, driving two installation racks 610 by using a thread sleeve 500 to move inwards simultaneously, enabling a contact part 647 to enter into the steel pipe, reinforcing a plate 653 outside the steel pipe until a circular plate 630 contacts with the end part of the steel pipe, restarting a second motor 649, under the action of two second bevel gears 642, enabling a third bevel gear 643 to rotate, driving a contact part 647 to be attached to the inner wall of the steel pipe by using the action of a first thread pipe 644 and a first screw rod 646, completing positioning clamping, simultaneously realizing self-adjusting of the height of a mounting ring 623, enabling gas inside the contact part 647 to be sequentially input into a second cylinder 650 from a five-way pipe 648 and a gas pipe 654, reinforcing the reinforcing plate 653 at the corresponding position of the outer wall of the steel pipe until the circular plate 630 contacts with the end part of the steel pipe, enabling partial gas in the five-way 648 to synchronously enter into a cylinder 661 and a first cylinder 661, driving a block 620 to attach to the inner wall of the steel pipe, and enabling the gas in the same position to be adjacent to the inner wall of the steel pipe, and enabling the gas to be adjacent to be completely welded from the inner wall of the steel pipe, thereby achieving the same position of the three-way, and enabling the gas to be completely adjusted to be adjacent to the inner wall of the steel pipe to be completely adjacent to the gas cylinder to the inner wall of the steel pipe to be welded, and the steel pipe to be completely when the steel pipe is completely required to be completely welded, and the gas is completely when the gas is required to be completely welded, and completely well when the gas is required to be welded.
It should be noted that, in the above description, the first motor, the second motor, the third motor, the electromagnetic valve and the like are relatively mature devices in the prior art, the specific model can be selected according to actual needs, meanwhile, the power supply of the first motor, the second motor, the third motor and the electromagnetic valve can be the power supply of a built-in power supply, the power supply of the commercial power, and the specific power supply mode is optionally selected, and is not repeated here
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples merely represent a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present invention. It should be noted that it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention, which are within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (10)
1. A tooling clamp for welding steel pipes, comprising:
The device is characterized by further comprising a clamping mechanism (600) and a clamping force adjusting mechanism (700), wherein the clamping mechanism (600) is arranged on the threaded sleeve (500);
Wherein the clamping mechanism (600) comprises a mounting frame (610) connected to a threaded sleeve (500), a first spring (621) is connected to the inner bottom wall of the mounting frame (610), the other end of the first spring (621) is fixedly connected with an air storage cylinder (660), a lifting rod (622) is inserted onto the fixing rod (620), the lower end of the lifting rod (622) penetrates through the fixing rod (620) and is fixedly connected with the air storage cylinder (660), the upper end of the lifting rod (622) is fixedly connected with a mounting ring (623), the inner edge of the lifting rod is rotatably connected with a circular plate (630) through a bearing, one side of the circular plate (630) is fixedly connected with a fixing ring (640), the other side of the circular plate (630) is rotatably connected with a circular rod (641), the circular rod (641) penetrates through the circular plate (630) and is fixedly connected with a third conical gear (643), a plurality of fourth conical gears (645) are annularly meshed on the third conical gears (643), the end of the fourth conical gears (645) is fixedly connected with a first threaded pipe (644) which rotates with the fixing ring (640), the other end of the first threaded pipe (644) is rotatably connected with a first screw thread (640), one end of the first threaded pipe (646) is fixedly connected with a first screw rod (647), the other end of the first screw rod (646) is provided with a contact five screw rod part (646), the remaining interface of the five-way pipe (648) penetrates through the third bevel gear (643) and the round rod (641), a second motor (649) is fixedly connected to the other side of the round plate (630), and the second motor (649) and the round rod (641) are fixedly connected with meshed second bevel gears (642);
Four first drums (661) are embedded in the outer wall of the air storage cylinder (660), the second springs (662) are fixedly connected to the inner wall of the first drums (661), the first piston rods (663) are fixedly connected to the other ends of the second springs (662), the first piston rods (663) penetrate through the first drums (661) and are connected with locking blocks (666), and a first three-way pipe (664) is arranged between the two air storage cylinders (660) and one end of the five-way pipe (648).
2. The fixture for welding steel pipes according to claim 1, wherein the clamping mechanism (600) further comprises four second cylinders (650) which are connected to one side of the circular plate (630) in a ring shape, a third spring (651) is connected to the second cylinders (650), a second piston rod (652) is connected to the other ends of the third springs (651), one ends of the second piston rods (652) penetrate through the second cylinders (650) and are provided with reinforcing plates (653), air pipes (654) are arranged between the four second cylinders (650) and the five-way pipes (648), and the reinforcing plates (653) correspond to the positions of the contact portions (647).
3. The fixture for welding steel pipes according to claim 1, wherein the clamping force adjusting mechanism (700) comprises an adjusting cylinder (710) connected to the placing table (100), a second tee pipe (770) communicated between the two first tee pipes (664) and a piston plate (750) positioned in the adjusting cylinder (710), a fourth spring (740) is connected to the piston plate (750), a moving plate (780) is fixedly connected to the top end of the fourth spring (740), a second threaded pipe (720) is rotatably connected to the adjusting cylinder (710) through a bearing, a second screw rod (730) is rotatably connected to the end portion of the second threaded pipe (720), the other end of the second screw rod (730) is rotatably connected to the moving plate (780), two exhaust holes (760) are formed in the adjusting cylinder (710), and the two exhaust holes (760) are positioned at the same horizontal height and are respectively positioned on two sides of the adjusting cylinder (710).
4. A tooling clamp for welding steel pipes according to claim 3, characterized in that the second tee pipe (770) is provided with an electromagnetic valve (771), the second threaded pipe (720) is provided with a resistance increasing sleeve, and the resistance increasing sleeve is in a convex shape.
5. A tooling clamp for welding steel pipes according to claim 2, characterized in that the contact part (647) forms a gas storage area and is communicated with the five-way pipe (648), and the contact part (647) and the reinforcing plate (653) are both rubber material components.
6. The fixture for welding steel pipes according to claim 1, wherein the fixing rod (620) is provided with a groove, and the outer side of the locking block (666) is provided with a protruding block matched with the groove.
7. The tooling clamp for welding steel pipes according to claim 1, wherein a sealing bearing (665) is arranged at the end part of the first three-way pipe (664), and the inner edge of the sealing bearing (665) is fixedly connected with the surface of the remaining end of the five-way pipe (648).
8. The fixture for welding steel pipes according to claim 1, wherein a third motor (632) is embedded in the side face of the mounting ring (623), an output shaft of the third motor (632) is fixedly connected with a circular gear (633), and a gear ring (631) meshed with the circular gear (633) is fixedly connected to the other side of the circular plate (630).
9. A tooling clamp for welding steel pipes according to claim 1, characterized in that the placing table (100) is provided with a supporting plate, the upper opening of the supporting plate is arc-shaped, and the middle part of the top end of the supporting plate is provided with a reserved groove which divides the upper opening of the supporting plate into two parts.
10. The tooling clamp for welding steel pipes according to claim 1, wherein two telescopic rods are arranged between the two mounting frames (610), each telescopic rod comprises a middle rod, connecting rods are inserted into two ends of each middle rod, and the other ends of the connecting rods are connected with the mounting frames (610).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410560579.0A CN118218901B (en) | 2024-05-08 | 2024-05-08 | Frock clamp for steel pipe welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410560579.0A CN118218901B (en) | 2024-05-08 | 2024-05-08 | Frock clamp for steel pipe welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118218901A true CN118218901A (en) | 2024-06-21 |
| CN118218901B CN118218901B (en) | 2024-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410560579.0A Active CN118218901B (en) | 2024-05-08 | 2024-05-08 | Frock clamp for steel pipe welding |
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| Country | Link |
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| CN (1) | CN118218901B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2676758A1 (en) * | 2005-05-03 | 2006-11-09 | Noetic Engineering Inc. | Gripping tool |
| CN216326208U (en) * | 2021-11-03 | 2022-04-19 | 李君� | Positioning tool for welding pressure vessel |
| CN115534285A (en) * | 2022-08-31 | 2022-12-30 | 贵溪市富泰防水科技有限公司 | Bellows production is with tensile shaping device |
| CN115815952A (en) * | 2022-12-05 | 2023-03-21 | 上上德盛集团股份有限公司 | Efficient double-gun welding equipment for stainless steel seamless steel pipe |
| CN220830259U (en) * | 2023-09-11 | 2024-04-23 | 国华能源投资有限公司 | Cable fixing device of wind driven generator and wind driven generator |
-
2024
- 2024-05-08 CN CN202410560579.0A patent/CN118218901B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2676758A1 (en) * | 2005-05-03 | 2006-11-09 | Noetic Engineering Inc. | Gripping tool |
| CN216326208U (en) * | 2021-11-03 | 2022-04-19 | 李君� | Positioning tool for welding pressure vessel |
| CN115534285A (en) * | 2022-08-31 | 2022-12-30 | 贵溪市富泰防水科技有限公司 | Bellows production is with tensile shaping device |
| CN115815952A (en) * | 2022-12-05 | 2023-03-21 | 上上德盛集团股份有限公司 | Efficient double-gun welding equipment for stainless steel seamless steel pipe |
| CN220830259U (en) * | 2023-09-11 | 2024-04-23 | 国华能源投资有限公司 | Cable fixing device of wind driven generator and wind driven generator |
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| Publication number | Publication date |
|---|---|
| CN118218901B (en) | 2024-09-24 |
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