CN114453724A - Rotary welding machine - Google Patents
Rotary welding machine Download PDFInfo
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- CN114453724A CN114453724A CN202210242528.4A CN202210242528A CN114453724A CN 114453724 A CN114453724 A CN 114453724A CN 202210242528 A CN202210242528 A CN 202210242528A CN 114453724 A CN114453724 A CN 114453724A
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- 238000003466 welding Methods 0.000 title claims abstract description 69
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 13
- 238000009434 installation Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
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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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
Abstract
The invention provides a rotary welding machine, and belongs to the technical field of welding machines. It has solved the higher problem of welding cost of current spin welding machine. This spin welding machine, the test platform comprises a support, move the clamp splice, the removal cylinder of setting on the frame and the fixed clamp splice of setting on the frame, it is located the top of fixing the clamp splice to move the clamp splice, be equipped with the locating piece on the frame and can vertical removal's stopper, this spin welding machine still includes the motor base of being connected with the piston rod of removal cylinder and sets up the rotating electrical machines on the motor base, the motor shaft of rotating electrical machines with move the clamp splice rigid coupling and drive and move the clamp splice and rotate, the lower extreme of motor base has the spacing wall that can support with the stopper and lean on, the motor base has the setting element that can support with the upper end of locating piece and lean on, spacing wall and the stopper when supporting of motor base have the interval between setting element and the locating piece, the setting element can support and lean on the locating piece when the stopper descends. The rotary welding machine can reduce the cost of the whole rotary welding machine.
Description
Technical Field
The invention belongs to the technical field of welding machines, and relates to a rotary welding machine.
Background
When the existing plastic needs to be welded and melted after production, a rotary welding machine is generally adopted to weld the plastic, and the rotary welding machine is widely applied to the field of processing of metal and plastic products, and parts of the products are subjected to rotation and high-temperature friction to soften and melt contact parts and are processed into a whole through high pressure. The working process of the rotary welding machine is as follows: when pressure is applied to the contact surfaces of the two products, one of the products is driven to rotate by the rotating motor and a possibly used coaxial speed reducer, so that the two products relatively rotate under the applied pressure, the contact surfaces of the two products generate a large amount of heat through friction, the contact parts of the two products are melted, then the rotation is stopped, cooling is carried out for a certain time under the state of keeping the pressure, and finally the welding of the two products is finished.
For example, the chinese patent application No. CN206394040U discloses a multi-station full-automatic rotary welding machine with precise positioning, which comprises a machine base, a lower cover conveyor belt, an upper cover conveyor belt, and a blanking conveyor belt, wherein the machine base is provided with an index plate, a lower cover taking mechanism, a lower cover automatic positioning mechanism, an upper cover taking mechanism, a rotary welding mechanism, a tension testing mechanism, and a blanking mechanism, the rotary welding mechanism comprises a rotary component and a third motor, the third motor drives the rotary component to move in the vertical direction, the rotary component comprises a rotary upper cover mechanism, a second connecting piece and a second motor, the second connecting piece is connected with the second motor through a coupler, the rotary upper cover mechanism is arranged below the second connecting piece, the second motor drives the rotary upper cover mechanism to rotate through the second connecting piece, when the rotary welding work is performed, the rotary upper cover mechanism clamps the upper cover conveyed by the second manipulator to move downwards towards the lower cover on the tool position and rotate, thereby welding the upper cover and the lower cover to form the bottle cap.
Above-mentioned spin welding mechanism has realized the fusion welding to the goods through the cooperation of second motor and third motor, and the second motor drives rotatory upper cover mechanism and rotates, and the steerable rotating assembly of third motor moves and fixes a position in vertical direction, and consequently what the third motor adopted is servo motor, but because servo motor's cost is too high, has increased the welding cost of goods.
Disclosure of Invention
The invention aims to provide a rotary welding machine aiming at the problems in the prior art, and the invention aims to solve the technical problems that: how to solve the problem that the welding cost of the existing rotary welding machine is higher.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a spin welding machine, includes the frame, moves the clamp splice, sets up the removal cylinder on the frame and sets up the clamp splice of deciding on the frame, it is located the top of deciding the clamp splice to move the clamp splice, a serial communication port, be equipped with the locating piece on the frame and can the stopper of vertical removal, this spin welding machine still includes the motor base of being connected with the piston rod of removal cylinder and sets up the rotating electrical machines on the motor base, the motor shaft of rotating electrical machines with move the clamp splice rigid coupling and drive and move the clamp splice and rotate, the lower extreme of motor base has the spacing wall that can support with the stopper and lean on, the motor base has the setting element that can offset and lean on with the upper end of locating piece, has the interval when the spacing wall of motor base supports with the stopper and leans on between setting element and the locating piece, the setting element can support and lean on the locating piece when the stopper descends.
The working principle is as follows: placing products to be welded on a fixed clamping block and a movable clamping block, driving the movable clamping block to move to a product on the movable clamping block to be contacted with the product on the fixed clamping block through a movable air cylinder, wherein the lower end of a motor base is provided with a limiting wall capable of abutting against a limiting block, the motor base can be vertically limited through the limiting block, simultaneously, the rotating motor drives the product on the movable clamping block to rotate, so that the product on the movable clamping block is contacted with the product on the fixed clamping block and generates a large amount of heat through friction, a contact part of two products is melted, then, the rotating motor is stopped, the movable air cylinder continues to drive the movable clamping block to move downwards, the limiting block moves downwards to be positioned below a positioning block, the motor base moves downwards along with the movable air cylinder to abut against the positioning block, cooling is carried out for a certain time under the state of keeping pressure, welding of the two products is finally completed, and through the arrangement of the positioning block and the limiting block, the movable cylinder can timely position the motor base in the process of continuously moving downwards, so that the multi-section positioning of the movable clamping block is realized, the purpose of friction fusion welding of two products is achieved by adopting the common movable cylinder and the positioning block and the limiting block in a matched mode, the product welding quality is guaranteed, and meanwhile the cost of the whole rotary welding machine is reduced.
In foretell spin welding machine, the setting element is the spacing pipe that links firmly with the piston rod of the mobile cylinder, be connected with the locating lever on the frame, the locating piece cup joints on the locating lever, spacing pipe cup joints on the locating lever and can lean on with the locating piece counterbalance along the diapire of locating lever vertical migration to spacing pipe.
The locating lever can lead the vertical movement of the motor base, and cup joints the locating piece on the locating lever, so that the motor base can stably support the locating wall against the locating piece after vertical movement, and the stability of vertical sliding and locating of the motor base is improved.
The limiting pipe is arranged on the motor base in a penetrating mode.
In the rotary welding machine, the positioning rod is provided with an external thread, the positioning rod is in threaded connection with a positioning nut, and the positioning block is positioned above the positioning nut and can abut against the positioning nut.
The locating piece can slide on the locating lever to fix a position the locating piece through rotatory set nut, avoid the locating piece to move down, because the position on the locating lever on the locating piece is adjustable, consequently can adjust the position of locating piece according to specific goods requirement, and fixed through set nut, further promotion the convenience that the spin welding machine used.
In foretell spin welding machine, still be connected with the adjusting lever that is located locating lever one side on the frame, the mounting panel that can supply the moving cylinder installation has been cup jointed on the adjusting lever, rotate on the mounting panel and be connected with the adjusting nut with adjusting lever threaded connection, and the mounting panel can be along the vertical removal of adjusting lever and fix a position through adjusting nut.
The position of the mounting plate on the adjusting rod is also adjustable, and the mounting plate is in threaded connection with the adjusting rod through the adjusting nut, so that the mounting plate is convenient to mount, the position of the mounting plate can be adjusted quickly, and the use convenience of the rotary welding machine is further improved.
In foretell spin welding machine, be equipped with the spacing cylinder that can drive the piston rod along vertical movement on the frame, the external screw thread has on the lateral wall of the piston rod of spacing cylinder, threaded connection has stop nut on the piston rod of spacing cylinder, the tip at the piston rod of spacing cylinder is established to the stopper cover, stop nut is located the below of stopper.
The relative position of stopper and piston rod can the screw thread be adjusted to set for spacing cylinder, make the removal of stopper more convenient, and the accessible spacing bolt fixes a position, because the goods melts the back and need certain pressure to compress tightly the cooling with two goods and fuse, so need the stopper to provide a stable holding power, and can promote the holding power of whole stopper through spacing cylinder, avoided the stopper to slide down after spacing, further improvement the stability of spin welding machine.
In the above-mentioned spin welding machine, the locating piece and the fixed clamping block are respectively located on both sides of the limiting block.
Set up the stopper between the locating piece and deciding the clamp splice, because the welding machine is fixed a position through the stopper earlier, motor base is great to the pressure of stopper when fixing a position through the stopper, and because it is when two goods friction production are hot greatly when fixing a position through the stopper, therefore motor base can swing, so need the distance of locating piece and motor base to be nearer, can not take place to swing by a wide margin when using in order to keep motor base, thereby reach and not influence motor base's use when can be spacing to motor base, and motor base supports when leaning on with the locating piece, pressure is less, consequently decide the clamp splice with keeping away from of locating piece setting, make the use of locating piece more stable.
In foretell spin welding machine, the motor base includes the installation department that can supply the rotating electrical machines installation and the location portion of being connected with spacing union coupling, the lower terminal surface of installation department is above-mentioned spacing wall, the installation department upwards the arch form with the end connection's of location portion connecting portion, the thickness of connecting portion is crescent from the one end that is close to location portion to the one end of keeping away from location portion.
Set up connecting portion between installation department and location portion for location portion is more stable with being connected of installation department, and location portion, installation department and connecting portion integrated into one piece promote whole motor base's intensity, have avoided motor base to take place to fracture in the use.
In the above-mentioned spin welding machine, the diapire and the spacing wall of spacing pipe are the plane, the terminal surface of stopper and the terminal surface of locating piece are the plane.
The setting of this structure for motor base can be more stable fix a position through stopper and locating piece, further promotion the stability that spin welding machine used.
In the rotary welding machine, the mounting plate is provided with a first electromagnetic valve for controlling the start and stop of the movable cylinder, and the base is provided with a second electromagnetic valve for controlling the start and stop of the limiting cylinder and a water-gas separator which is connected with the first electromagnetic valve and the second electromagnetic valve.
The water vapor in the high-pressure gas is adsorbed by the water vapor separator to obtain dry high-pressure gas, the high-pressure gas passes through the first electromagnetic valve and the second electromagnetic valve, the first electromagnetic valve controls the moving cylinder to execute the downward sliding action of the limiting rod, the second electromagnetic valve controls the limiting cylinder to execute the upward pushing action of the limiting block and keep a certain time, meanwhile, the motor is synchronously started to drive the movable clamping block to rotate at a high speed, and the whole rotary welding machine is more convenient and simpler to use.
Compared with the prior art, this spin welding machine has the advantage:
1. through the setting of locating piece and stopper, the in-process that removes the cylinder constantly moves down can in time fix a position the motor base to realized fixing a position the multistage of moving the clamp splice, and can use the purpose that has reached two goods friction fusion welding through the cooperation that adopts ordinary removal cylinder and locating piece and stopper, reduced the cost of whole spin welding machine when guaranteeing goods welding quality.
2. The locating lever can lead motor base's vertical removal, and cup joints the locating piece on the locating lever for motor base can be stable after vertical removal with the diapire of spacing pipe and the upper end counterbalance of locating piece lean on, promote motor base vertical gliding stability and the stability of location.
Drawings
FIG. 1 is a schematic view of a partial structure of the present rotary welding machine.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
FIG. 3 is a schematic view of the structure of the motor base in the spin welder.
In the figure, 1, a machine base; 11. positioning a rod; 11a, a positioning nut; 2. a movable clamping block; 3. a moving cylinder; 4. fixing the clamping block; 5. positioning blocks; 6. a limiting block; 7. a motor base; 71. a rotating electric machine; 72. a positioning member; 73. a limiting wall; 75. an installation part; 76. a positioning part; 77. a connecting portion; 8. an adjusting lever; 81. mounting a plate; 82. adjusting the nut; 9. a limiting cylinder; 91. a limit nut; 10. a first electromagnetic valve; 101. a second electromagnetic valve; 102. and (4) a water-gas separator.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in figure 1, the rotary welding machine comprises a machine base 1, a movable clamping block 2, a movable air cylinder 3 which is arranged on the machine base 1 and can drive the movable clamping block 2 to vertically move, and a fixed clamping block 4 arranged on the machine base 1, wherein the movable clamping block 2 is positioned above the fixed clamping block 4.
Specifically, as shown in fig. 1-3, a positioning block 5 and a limiting block 6 capable of moving vertically are disposed on the machine base 1, the welding machine further includes a motor base 7 connected to a piston rod of the moving cylinder 3 and a rotating motor 71 disposed on the motor base 7, a motor shaft of the rotating motor 71 is fixedly connected to the movable clamping block 2 and drives the movable clamping block 2 to rotate, a limiting wall 73 capable of abutting against the limiting block 6 is disposed at a lower end of the motor base 7, the motor base 7 has a positioning member 72 capable of abutting against an upper end of the positioning block, a space is disposed between the positioning member 72 and the positioning block 5 when the limiting wall 73 of the motor base 7 abuts against the limiting block 6, and the positioning member 72 can abut against the positioning block 5 when the limiting block 6 descends.
The working principle is as follows: placing products to be welded on a fixed clamping block 4 and a movable clamping block 2, driving the movable clamping block 2 to move to a product on the movable clamping block 2 to be contacted with the product on the fixed clamping block 4 through a movable air cylinder 3, wherein the lower end of a motor base 7 is provided with a limiting wall 73 capable of abutting against a limiting block 6, the motor base 7 can be vertically limited through the limiting block 6, simultaneously, a rotating motor 71 drives the product on the movable clamping block 2 to rotate, so that the product on the movable clamping block 2 is contacted with the product on the fixed clamping block 4 and generates a large amount of heat through friction, the contact parts of the two products are melted, then, the rotating motor 71 is stopped, the movable air cylinder 3 continues to drive the movable clamping block 2 to move downwards, meanwhile, the limiting block 6 moves downwards to be positioned below a positioning block 5, the motor base 7 moves downwards along with the movable air cylinder 3 to abut against the positioning block 5, and cooling is carried out for a certain time under the state of keeping pressure, the welding of two goods is finally accomplished, through the setting of locating piece 5 and stopper 6, the in-process that removes the cylinder 3 constantly moves down can in time fix a position motor base 7 to realized moving the multistage location of clamp splice 2, and can use the purpose that has reached two goods friction fusion welding through the cooperation that adopts ordinary cylinder 3 and locating piece 5 and stopper 6, reduced the cost of whole spin welding machine when guaranteeing goods welding quality.
As shown in fig. 1-3, the positioning element 72 is a limiting tube fixedly connected to a piston rod of the moving cylinder 3, the base 1 is connected to the positioning rod 11, the positioning block 5 is sleeved on the positioning rod 11, the limiting tube is sleeved on the positioning rod 11 and can vertically move along the positioning rod 11 to the bottom wall of the limiting tube to abut against the positioning block 5, the positioning rod 11 is provided with an external thread, the positioning rod 11 is connected to a positioning nut 11a in a threaded manner, and the positioning block 5 is located above the positioning nut 11a and can abut against the positioning nut 11 a.
As shown in fig. 1 and 2, the machine base 1 is further connected with an adjusting rod 8 located on one side of the positioning rod 11, the adjusting rod 8 is sleeved with a mounting plate 81 on which the movable cylinder 3 can be mounted, the mounting plate 81 is rotatably connected with an adjusting nut 82 in threaded connection with the adjusting rod 8, and the mounting plate 81 can vertically move along the adjusting rod 8 and is positioned through the adjusting nut 82.
As shown in fig. 1 and fig. 2, the base 1 is provided with a limiting cylinder 9 capable of driving the piston rod to move vertically, an external thread is arranged on the outer side wall of the piston rod of the limiting cylinder 9, a limiting nut 91 is connected to the piston rod of the limiting cylinder 9 through a thread, the end of the piston rod of the limiting cylinder 9 is sleeved with the limiting block 6, the limiting nut 91 is located below the limiting block 6, and the positioning block 4 and the positioning block 5 are respectively located on two sides of the limiting block 6.
As shown in fig. 3, the motor base 7 includes a mounting portion 75 for mounting the rotating motor 71 and a positioning portion 76 connected to the positioning tube, the lower end surface of the mounting portion 75 is the above-mentioned limiting wall 73, the mounting portion 75 protrudes upward to form a connecting portion 77 connected to the end portion of the positioning portion 76, the thickness of the connecting portion 77 gradually increases from the end close to the positioning portion 76 to the end far from the positioning portion 76, the bottom wall of the positioning member 72 and the limiting wall 73 are both flat surfaces, and the end surface of the limiting block 6 and the end surface of the positioning block 5 are both flat surfaces.
As shown in fig. 1, a first electromagnetic valve 10 for controlling the start and stop of the moving cylinder 3 is arranged on the mounting plate 81, and a second electromagnetic valve 101 for controlling the start and stop of the limiting cylinder 9 and a water-gas separator 102 connected with the first electromagnetic valve 10 and the second electromagnetic valve 101 are arranged on the base 1.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. A rotary welding machine comprises a machine base (1), a movable clamping block (2), a movable air cylinder (3) arranged on the machine base (1) and a fixed clamping block (4) arranged on the machine base (1), wherein the movable clamping block (2) is arranged above the fixed clamping block (4), the rotary welding machine is characterized in that a positioning block (5) and a limiting block (6) capable of moving vertically are arranged on the machine base (1), the rotary welding machine further comprises a motor base (7) connected with a piston rod of the movable air cylinder (3) and a rotary motor (71) arranged on the motor base (7), a motor shaft of the rotary motor (71) is fixedly connected with the movable clamping block (2) and drives the movable clamping block (2) to rotate, the lower end of the motor base (7) is provided with a limiting wall (73) capable of abutting against the limiting block (6), the motor base (7) is provided with a positioning part (72) capable of abutting against the upper end of the positioning block (5), when the limiting wall (73) of the motor base (7) abuts against the limiting block (6), a space is reserved between the positioning piece (72) and the positioning block (5), and when the limiting block (6) descends, the positioning piece (72) can abut against the positioning block (5).
2. The rotating welding machine according to claim 1, wherein the positioning member (72) is a limiting pipe fixedly connected with a piston rod of the moving cylinder (3), the machine base (1) is connected with a positioning rod (11), the positioning block (5) is sleeved on the positioning rod (11), and the limiting pipe is sleeved on the positioning rod (11) and can vertically move along the positioning rod (11) to the bottom wall of the limiting pipe to abut against the positioning block (5).
3. The rotating welding machine according to claim 2, wherein the positioning rod (11) is provided with an external thread, the positioning rod (11) is connected with a positioning nut (11a) in a threaded manner, and the positioning block (5) is located above the positioning nut (11a) and can abut against the positioning nut (11 a).
4. The spin welding machine according to claim 2 or 3, characterized in that the machine base (1) is further connected with an adjusting rod (8) located on one side of the positioning rod (11), the adjusting rod (8) is sleeved with a mounting plate (81) on which the movable cylinder (3) can be mounted, the mounting plate (81) is rotatably connected with an adjusting nut (82) in threaded connection with the adjusting rod (8), and the mounting plate (81) can vertically move along the adjusting rod (8) and is positioned through the adjusting nut (82).
5. The spin welding machine according to claim 4, wherein a limiting cylinder (9) capable of driving a piston rod to move vertically is arranged on the machine base (1), an external thread is arranged on the outer side wall of the piston rod of the limiting cylinder (9), a limiting nut (91) is connected to the piston rod of the limiting cylinder (9) in a threaded mode, the limiting block (6) is sleeved on the end portion of the piston rod of the limiting cylinder (9), and the limiting nut (91) is located below the limiting block (6).
6. The rotary welding machine according to claim 1, 2 or 3, characterized in that the positioning block (5) and the clamping block (4) are respectively located on both sides of the limiting block (6).
7. The spin welding machine according to claim 2 or 3, wherein the motor base (7) comprises a mounting portion (75) for mounting the spin motor (71) and a positioning portion (76) connected with the limiting pipe, the lower end surface of the mounting portion (75) is the limiting wall (73), the mounting portion (75) protrudes upwards to form a connecting portion (77) connected with the end portion of the positioning portion (76), and the thickness of the connecting portion (77) gradually increases from one end close to the positioning portion (76) to one end far away from the positioning portion (76).
8. The rotating welding machine according to claim 1, 2 or 3, characterized in that the bottom wall and the limiting wall (73) of the positioning element (72) are both planar, and the end surface of the limiting block (6) and the end surface of the positioning block (5) are both planar.
9. The spin welding machine according to claim 5, wherein a first electromagnetic valve (10) for controlling the moving cylinder (3) to start and stop is arranged on the mounting plate (81), and a second electromagnetic valve (101) for controlling the limiting cylinder (9) to start and stop and a water-gas separator (102) connected with the first electromagnetic valve (10) and the second electromagnetic valve (101) are arranged on the machine base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210242528.4A CN114453724A (en) | 2022-03-11 | 2022-03-11 | Rotary welding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210242528.4A CN114453724A (en) | 2022-03-11 | 2022-03-11 | Rotary welding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070192A (en) * | 2022-07-08 | 2022-09-20 | 上海隧道工程有限公司 | Rotary positioning structure of short reinforcing steel bar |
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| CN212682772U (en) * | 2020-06-29 | 2021-03-12 | 上海又力光电科技有限公司 | Pneumatic welding head device |
| WO2022001110A1 (en) * | 2020-06-29 | 2022-01-06 | 浙江佛尔泰智能设备有限公司 | Transmission shaft production line |
| CN112207423A (en) * | 2020-09-14 | 2021-01-12 | 湖南坤鼎数控科技有限公司 | Thin-walled tube friction welding anti-pinch flat supporting piece convenient to adjust |
| CN113695807A (en) * | 2021-10-26 | 2021-11-26 | 江苏德邦流体控制有限公司 | Automatic pipeline welding equipment and welding method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115070192A (en) * | 2022-07-08 | 2022-09-20 | 上海隧道工程有限公司 | Rotary positioning structure of short reinforcing steel bar |
| CN115070192B (en) * | 2022-07-08 | 2024-02-13 | 上海隧道工程有限公司 | Rotary positioning structure of short steel bar |
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