CN115673014B - Metal tube type fine drawing rib sleeving device - Google Patents
Metal tube type fine drawing rib sleeving deviceInfo
- Publication number
- CN115673014B CN115673014B CN202211149072.3A CN202211149072A CN115673014B CN 115673014 B CN115673014 B CN 115673014B CN 202211149072 A CN202211149072 A CN 202211149072A CN 115673014 B CN115673014 B CN 115673014B
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- receiving rod
- lifting
- cylinder
- metal tube
- sleeve
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Abstract
The invention discloses a metal tube precision drawing and rib sleeving device, which belongs to the technical field of metal tube cold drawing precision drawing and comprises a rib sleeving frame, wherein a receiving rod, a bearing mechanism for horizontally bearing the receiving rod, a lifting mechanism capable of lifting one end of the receiving rod, which is close to a precision drawing device, to a discharge end of a feeding device, a drawing mechanism capable of drawing the receiving rod before lifting and enabling the receiving rod to be far away from the precision drawing device along the axial direction, and an elastic reset mechanism capable of resetting the lowered receiving rod in the releasing process of the drawing mechanism are arranged on the receiving rod, and a limiting push head capable of pushing the metal tube to the precision drawing position of the precision drawing device in the resetting process is arranged on one end of the receiving rod, which is far away from the precision drawing device. The automatic rib sleeving of the metal pipe can be completed, the metal pipe can be automatically and effectively conveyed to the fine drawing position of the fine drawing equipment for fine drawing after the rib sleeving is completed, the receiving rod is lifted in advance to be aligned with the discharge end of the feeding device, the metal pipe can be ensured to be accurately sleeved into the receiving rod, and the problem that the metal pipe and the receiving rod fall off in a staggered mode is avoided.
Description
Technical Field
The invention relates to the technical field of cold drawing and fine drawing of metal pipes, in particular to a metal pipe type fine drawing and rib sleeving device.
Background
Fine drawing is also known as cold extrusion, which is an important component in precision plastic volume forming technology. Cold extrusion refers to placing a metal blank in a mold cavity of a mold in a cold state, and forcing the metal to extrude from the mold cavity under the action of strong pressure and a certain speed, thereby obtaining an extrusion with a required shape and size and certain mechanical properties. The cold extrusion technology is an advanced production technology with high precision, high efficiency, high quality and low consumption, and compared with hot forging and warm forging technologies, the cold extrusion technology can save materials by 30% -50%, save energy by 40% -80%, improve the quality of forgings and improve the working environment. In the existing fine drawing process, the metal pipe material is usually manually taken from the material rack, the metal pipe material is manually sleeved into the lacing wire, the metal pipe is usually more than 4 meters, and the metal pipe needs to be repeatedly grasped, so that the metal pipe is continuously sleeved into the lacing wire from the head of the metal pipe. Because the internal mold assembled by the tie bar head is tightly contacted with the inner wall of the metal tube, lubricating grease is arranged outside the metal tube, and the hand is easy to slide during grabbing, the metal tube is needed to be grabbed by a large force during tube penetrating operation, so that the metal tube is completely sleeved into the tie bar, and a large amount of physical force is consumed by an operator in the process, so that the labor intensity of the operator is high, and the speed and the efficiency are low.
For this reason, the patent is "201120319773.8", and the patent name is "a tube drawing machine" discloses a tube drawing equipment that can overlap muscle automatically, including frame, die holder, tensile dolly and drive arrangement, still including the loading attachment who sets up in the frame, loading attachment includes storage rack, dialling glassware, conveyer and is located the material loading bracket of tube drawing machine feeding department, and wherein, conveyer is including the silo that is arranged in holding processing tubular product and the transfer wheel by motor drive who places in the silo. The processing pipe stored on the storage rack can be shifted to the conveying device through the shifting device and conveyed to the feeding bracket through the conveying wheel driven by the motor, and finally can be sleeved into a core rod (lacing wire) of the pipe pulling machine, so that automatic lacing wire on the processing pipe is realized, the working efficiency is improved, and the labor intensity is reduced. However, the above patent can only realize automatic rib sleeving, and the metal tube cannot be automatically conveyed into a drawing die of the fine drawing device after rib sleeving, meanwhile, the mode that the metal tube freely slides down on the feeding bracket to be sleeved into the core rod is relied on when the rib sleeving is performed, so that the accuracy is low, and once the metal tube deviates in the sliding process, the metal tube can fall off from the core rod in a staggered manner.
Disclosure of Invention
The invention aims to solve the technical problems, and provides the metal pipe precision drawing and rib sleeving device, which can not only complete automatic rib sleeving of a metal pipe, but also automatically and effectively convey the metal pipe to a precision drawing position of precision drawing equipment for precision drawing after the rib sleeving is completed, and the receiving rod is lifted in advance to be aligned with the discharge end of the feeding device, so that the metal pipe can be accurately sleeved in the receiving rod, and the problem that the metal pipe and the receiving rod fall off in a staggered manner is avoided.
The invention provides a scheme that the metal tube precision drawing rib sleeving device comprises a rib sleeving frame, wherein a receiving rod, a supporting mechanism for horizontally supporting the receiving rod, a lifting mechanism capable of lifting one end of the receiving rod, which is close to a precision drawing device, to a discharge end of a feeding device, a drawing mechanism capable of drawing the receiving rod before lifting and enabling the receiving rod to be far away from the precision drawing device in the axial direction, and an elastic reset mechanism capable of resetting the receiving rod after being lowered in the process of releasing the drawing mechanism are arranged on the rib sleeving frame, and a limiting push head capable of pushing the metal tube to the precision drawing position of the precision drawing device in the resetting process is arranged at one end, which is far away from the precision drawing device, of the receiving rod.
Preferably, the bearing mechanism comprises a supporting roller and a guide sleeve sleeved on the bearing rod, the guide sleeve is fixed on the rib sleeving frame close to the limiting push head, and the supporting roller is close to the fine drawing device.
Preferably, the lifting mechanism comprises a plurality of lifting cylinders which are arranged along the axial direction of the bearing rod, the lifting cylinders are fixed on the rib sleeving frame, and a supporting ring sleeved outside the bearing rod is fixed on the cylinder shaft of the lifting cylinders.
Preferably, the bearing ring is provided with a bearing roller.
Preferably, the wheel surfaces of the bearing roller and the supporting roller are V-shaped wheel surfaces.
Preferably, the lifting cylinder is fixed on the rib sleeving frame through a cylinder mounting plate, guide posts positioned on two sides of the lifting cylinder are connected to the cylinder mounting plate in a sliding mode, lifting blocks fixedly connected to cylinder shafts of the lifting cylinder are arranged at the tops of the guide posts, and the supporting rings are fixed on the lifting blocks.
Preferably, the elastic reset mechanism comprises reset tension springs which are respectively arranged at two sides of the bearing rod, one end of each reset tension spring is fixedly connected with the corresponding rib sleeving frame, and the other end of each reset tension spring is fixedly connected with the corresponding limiting push head.
Preferably, the pulling mechanism comprises a mounting frame fixed on the rib sleeving frame, a telescopic mechanism arranged along the axis of the guide sleeve is arranged on the mounting frame, and a buckling upright post capable of pulling the reset tension spring is fixed at the telescopic end of the telescopic mechanism.
Preferably, the telescopic mechanism comprises a telescopic cylinder fixed on the mounting frame, and a cylinder shaft of the telescopic cylinder is fixedly connected with the buckling upright post.
Preferably, the mounting frame is provided with guide rods positioned on two sides of a cylinder shaft of the telescopic cylinder, the guide rods are parallel to the axis of the guide sleeve, the end head of the cylinder shaft of the telescopic cylinder is fixedly provided with a guide sliding block which is connected to the guide rods in a sliding manner, the buckling upright post is vertically fixed to the guide sliding block, and the end head of the buckling upright post is positioned between the reset tension spring and the bearing rod.
Compared with the prior art, the invention has the following technical effects:
1. the metal pipe precision drawing and rib sleeving device comprises a rib sleeving frame, wherein a receiving rod, a supporting mechanism, a lifting mechanism, a pulling mechanism and an elastic reset mechanism are arranged on the rib sleeving frame, the receiving rod can be kept in a horizontal state under the action of the supporting mechanism, then the receiving rod is far away from the precision drawing device under the action of the pulling mechanism, one end of the receiving rod, which is close to the precision drawing device, is lifted to the feeding device under the action of the lifting mechanism, the metal pipe automatically sleeves the receiving rod after coming out of the discharging end of the feeding device, so that the rib sleeving effect is achieved, after the receiving rod is lowered by the lifting mechanism, in the process of releasing the receiving rod by the pulling mechanism, the elastic reset mechanism can provide an elastic reset force of a limiting push head, and after the receiving rod is reset in place under the driving of the limiting push head, the metal pipe is pushed to the precision drawing position of the precision drawing device, so that the feeding precision drawing effect is achieved, the purpose of automatic rib sleeving is achieved, the purpose of feeding precision is achieved after the receiving rod is lifted to the discharging end of the feeding device in advance, the discharging end of the feeding device is ensured, and the receiving rod is accurately aligned with the metal pipe and the receiving rod is prevented from being staggered with the metal pipe.
2. The bearing mechanism comprises the supporting roller and the guide sleeve, can bear the two ends of the bearing rod, ensures that the bearing rod can stably keep a horizontal state and simultaneously can stably move axially.
3. According to the lifting cylinder, the bearing ring is fixed on the cylinder shaft of the lifting cylinder, so that the bearing effect is improved through the bearing ring and the supporting roller and the guide sleeve when the bearing rod is not lifted, and the bearing rod can be lifted when the cylinder shaft of the lifting cylinder extends.
4. According to the elastic reset mechanism, the two reset tension springs are respectively arranged at two sides of the receiving rod, the reset tension springs are lengthened and accumulated with elastic potential energy when the pulling mechanism pulls the receiving rod backwards, and then the elastic potential energy is shortened and released when the pulling mechanism is released, so that reset elasticity is provided for the receiving rod, and the reset tension springs are simple, direct and effective.
5. The pulling mechanism comprises a mode that the cylinder shaft of the telescopic cylinder is matched with the buckling upright post, the cylinder shaft of the telescopic cylinder is contracted, the buckling upright post stretches out and draws back the tension spring, the cylinder shaft of the telescopic cylinder stretches out and the tension spring shortens, and the pulling mode is simple and effective.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a metal tube type fine drawing rib sleeving device;
FIG. 2 is a front view of a metal tube type fine extraction rib sleeving device;
FIG. 3 is a schematic diagram of a front perspective structure of a metal pipe type fine drawing and rib sleeving device with a drawing mechanism;
FIG. 4 is a schematic view of a back perspective structure of a metal tube type fine drawing and rib sleeving device provided with a drawing mechanism;
fig. 5 is a schematic perspective view of a metal tube type fine drawing rib sleeving device near one end of the fine drawing device.
The numerical control device comprises a rib sleeving frame 1, a connecting rod 2, a limit pushing head 3, a supporting ring 4, a guide sleeve 5, a supporting roller 6, a lifting cylinder 7, a guide post 8, a lifting block 9, a reset tension spring 10, a reset tension spring 11, a mounting frame 12, a buckling position upright post 13, a telescopic cylinder 14, a guide rod 15, a guide sliding block 16, a clamping vehicle 17, a fine drawing frame 18, a drawing die 19, a drawing port 20, a feeding device 21, a supporting inner die 22, a connecting frame 23 and a supporting roller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment provides a metal pipe fine drawing rib sleeving device, which comprises a rib sleeving frame 1, wherein the rib sleeving frame 1 is provided with a receiving rod 2, a supporting mechanism, a lifting mechanism, a pulling mechanism and an elastic resetting mechanism, the supporting mechanism is used for supporting the receiving rod 2, the receiving rod 2 can be kept in a horizontal state when placed on the supporting mechanism, the pulling mechanism is used for pulling the receiving rod 2 to enable the receiving rod 2 to move towards a direction away from a fine drawing device, the lifting mechanism is used for lifting one end, away from the fine drawing device, of the receiving rod 2 close to the fine drawing device and lifting the end to a discharging end of a feeding device 20, used for receiving a metal pipe conveyed by the feeding device 20, and is sleeved with the receiving rod 2 provided with the metal pipe after the receiving rod is received, the receiving rod 2 is placed onto the supporting mechanism together with the metal pipe, the elastic resetting mechanism is used for supporting the receiving rod 2 after the receiving rod 2 is lowered, an elastic resetting force is provided for the receiving rod 2 in a pulling mechanism releasing process, one end, away from the fine drawing device, of the receiving rod 2 is provided with a limit push head 3, and the limit push head 3 can be used for preventing the metal pipe from being pulled out of the receiving pipe after the metal pipe is completely reset when the receiving the metal pipe is completely pulled out from the receiving device. Preferably, the end of the receiving rod 2 close to the fine drawing device is provided with a supporting internal mold 21, and when the metal pipe is sleeved on the receiving rod 2, the supporting internal mold 21 can be attached to the inner wall of the metal pipe so as to ensure that the metal pipe is coaxial with the receiving rod 2.
The fine drawing device generally comprises a fine drawing frame 17, a biting vehicle 16 is slidably connected to the fine drawing frame 17, a drawing die 18 is arranged at one end, close to the rib sleeving frame 1, of the fine drawing frame 17, a drawing opening 19 is arranged on the drawing die 18, the biting vehicle 16 is located at one side, far away from the rib sleeving frame 1, of the drawing opening 19, a receiving rod 2 is located at the other side of the drawing opening 19, and when the receiving rod 2 is placed on a supporting mechanism, the receiving rod 2 and the drawing opening 19 are arranged approximately coaxially. The feeding device 20 is located above the fine suction device.
Working principle:
Firstly, starting a pulling mechanism, enabling a receiving rod 2 horizontally placed on a bearing mechanism to be far away from a drawing port 19 along the axial direction of the receiving rod, stopping moving after moving in place, and enabling an elastic reset mechanism to generate elastic potential energy; then, the feeding device 20 is started, the discharging end of the feeding device 20 is fed out of a metal pipe and sleeved into the end of the receiving rod 2, the metal pipe is continuously sleeved into the receiving rod 2 under continuous conveying, the feeding device 20 is stopped after complete sleeved, the sheathing rib is completed, then, the lifting mechanism is lowered, the receiving rod 2 and the metal pipe are lowered onto the supporting mechanism, the pulling mechanism is started to gradually release the receiving rod 2, the elastic reset mechanism releases elastic potential energy, elastic force is provided to enable the receiving rod 2 to coaxially move towards the direction of the drawing port 19, the metal pipe is pushed by the limiting push head 3 to move towards the drawing port 19, after the receiving rod 2 is completely reset, the end of the metal pipe also penetrates through the drawing port 19 and is snapped by the facing material-gripping vehicle 16, the diameter of the diameter-reducing section is 10cm, the diameter of the diameter-reducing section is smaller than the diameter of the drawing port 19, the diameter-reducing section can be pulled out of the material-gripping vehicle 16 in advance, and finally, the diameter-reducing section can be pulled by the diameter-reducing section is enabled to pass through the drawing port 19, and the diameter-reducing section can be pulled far away from the drawing port 19, and the diameter-reducing material-gripping vehicle 16 is enabled to be pulled far away from the drawing port 19, and the diameter-reducing material-gripping device is pulled by the diameter-reducing material is pulled by the diameter-reducing section 19.
In this embodiment, as shown in fig. 1 to 5, the bearing mechanism includes a supporting roller 23 and a guiding sleeve 5, the guiding sleeve 5 is fixed on the rib sleeving frame 1 near the limit pushing head 3, the supporting roller 23 is near the fine drawing device and fixed on the rib sleeving frame 1, one end of the receiving rod 2 extends into the guiding sleeve 5, the other end is placed on the supporting roller 23, and the guiding sleeve 5 has a sufficient diameter to allow the receiving rod 2 to be lifted upwards.
In this embodiment, as shown in fig. 1 to 5, the lifting mechanism includes a plurality of lifting cylinders 7, the lifting cylinders 7 are fixed on the rib sleeving frame 1 and are located between the guide sleeve 5 and the supporting roller 23, the plurality of lifting cylinders 7 are sequentially arranged along the axial direction of the bearing rod 2, the bearing rings 4 are fixed on the cylinder shafts of the lifting cylinders 7, the bearing rings 4 are sleeved on the bearing rod 2, the cylinder shafts of the lifting cylinders 7 are elongated, and the bearing rings 4 lift the bearing rod 2 to realize lifting. During lifting, the lifting cylinders 7 are lifted at the same time, and the bearing rod 2 can form an inclined angle by giving different lifts to cylinder shaft equipment of the lifting cylinders 7. Preferably, at least three lifting cylinders 7 are provided, avoiding bending of the receiving rod 2, because the length of the receiving rod 2 is long.
Further, in this embodiment, in order to facilitate the metal tube to be smoothly sleeved on the support rod 2 when sliding to the support ring 4 during the rib sleeving, as shown in fig. 1 to 5, a support roller 6 for supporting the support rod 2 is provided in the support ring 4, and the support roller 6 rolls to facilitate the metal tube to continuously slide through the support ring 4.
Further, in this embodiment, as shown in fig. 1 to 5, the bearing roller 6 and the supporting roller 23 have V-shaped roller surfaces, and the V-shaped roller surfaces can limit the positions of the bearing roller 6 and the supporting roller 23 in the radial direction to a certain extent, so as to prevent the bearing rod 2 and the metal tube from shaking left and right when moving in the axial direction.
In this embodiment, as shown in fig. 1 to 5, the lifting cylinder 7 is fixed on the rib sleeving frame 1 through a cylinder mounting plate, two guide posts 8 are slidably connected on the cylinder mounting plate, the two guide posts 8 are located on two sides of the lifting cylinder 7, a lifting block 9 is fixed on the top of the guide post 8, the lifting block 9 is fixedly connected on a cylinder shaft of the lifting cylinder 7, and the supporting ring 4 is fixed on the lifting block 9. When the cylinder shaft of the lifting cylinder 7 stretches, the lifting block 9 is jacked up, and then the supporting ring 4 is jacked up, so that the supporting ring 4 can lift the supporting rod 2. In the lifting process of the lifting block 9, the two guide posts 8 can ensure the stability of the vertical extension of the cylinder shaft, and the problem of left and right shaking cannot occur.
In this embodiment, as shown in fig. 1 to 5, the elastic reset mechanism includes two reset tension springs 10, the two reset tension springs 10 are separately disposed at two sides of the receiving rod 2, one end of the reset tension spring 10 is fixed with the rib sleeving frame 1, and the other end is connected with the limiting push head 3. When the pulling mechanism pulls the receiving rod 2 back (moves away from the pulling opening 19), the restoring tension spring 10 is lengthened, elastic potential energy is accumulated, when the pulling mechanism gradually releases the receiving rod 2 forward, the restoring tension spring 10 is shortened, the elastic potential energy is released, an elastic restoring force is provided for the limiting push head 3, and the limiting push head 3 pushes the receiving rod 2 to move forward together with the metal tube. Of course, a reset pressure spring can also be adopted, one end of the reset pressure spring is fixed on the limiting push head 3, the other end of the reset pressure spring is arranged on the rib sleeving frame 1 behind the limiting push head 3, when the pulling mechanism pulls the bearing rod 2 backwards, the reset pressure spring can be compressed, elastic potential energy is accumulated, and when the pulling mechanism releases forwards, the reset pressure spring extends to release the elastic potential energy. Of course, other elastic reset members and corresponding arrangement modes in the market can be adopted, and the description is omitted herein, so long as the above functions can be realized.
In this embodiment, as shown in fig. 1 to 5, the pulling mechanism includes a mounting frame 11 fixed on the rib sleeving frame 1, a telescopic mechanism arranged along the axis of the guide sleeve 5 is arranged on the mounting frame 11, and a buckling upright 12 capable of pulling the reset tension spring 10 is fixed at the telescopic end of the telescopic mechanism. The limiting push head 3 fixedly connected with the reset tension spring 10 can be pulled by pulling the reset tension spring 10 through the buckling upright post 12.
Further, in this embodiment, as shown in fig. 1 to 5, the telescopic mechanism includes a telescopic cylinder 13 fixed on a mounting frame 11, and a cylinder shaft of the telescopic cylinder 13 is fixedly connected with a buckling column 12.
Further, in this embodiment, as shown in fig. 1 to 5, guide rods 14 located at two sides of the cylinder shaft of the telescopic cylinder 13 are separately arranged on the mounting frame 11, the guide rods 14 are parallel to the axis of the guide sleeve 5, the end of the cylinder shaft of the telescopic cylinder 13 is fixed with a guide slide block 15, the guide slide block 15 is slidably connected to the guide rods 14, the buckling upright post 12 is vertically fixed on the guide slide block 15, and the end of the buckling upright post 12 is located between the reset tension spring 10 and the receiving rod 2. Preferably, the top of the buckling upright 12 is fixedly connected with the guide sliding block 15, the bottom of the buckling upright 12 is fixedly connected with the guide rod 14 through the connecting frame 22, the guide rod 14, the connecting frame 22 and the buckling upright 12 form a ring-shaped mechanism, the reset tension spring 10 is arranged in the ring-shaped mechanism, and the reset tension spring 10 is prevented from being separated from the buckling upright 12 and cannot be pulled. Preferably, two buckling upright posts 12 are arranged, and the two buckling upright posts 12 respectively encircle the two reset tension springs 10.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided herein to facilitate understanding of the principles and embodiments of the present invention and to provide further advantages and practical applications for those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211149072.3A CN115673014B (en) | 2022-09-21 | 2022-09-21 | Metal tube type fine drawing rib sleeving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211149072.3A CN115673014B (en) | 2022-09-21 | 2022-09-21 | Metal tube type fine drawing rib sleeving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115673014A CN115673014A (en) | 2023-02-03 |
| CN115673014B true CN115673014B (en) | 2025-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211149072.3A Active CN115673014B (en) | 2022-09-21 | 2022-09-21 | Metal tube type fine drawing rib sleeving device |
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| CN101837382A (en) * | 2009-03-20 | 2010-09-22 | 周晓辉 | Production method and device of copper tube used by conductive nozzle |
| CN102527757A (en) * | 2011-12-07 | 2012-07-04 | 浙江伦宝金属管业有限公司 | Automatic material distributing and conveying device of cold-drawn steel tubes |
| CN202621601U (en) * | 2012-06-19 | 2012-12-26 | 嘉兴市新纪元钢管制造有限公司 | Automatic pipe embedding device |
| CN205926633U (en) * | 2016-08-22 | 2017-02-08 | 绍兴上虞正达管业有限公司 | Automatic positioning pay -off drawbench suitable for multiple pipe diameter |
| CN219560945U (en) * | 2022-09-21 | 2023-08-22 | 中山市曙光铝业有限公司 | Metal tube type fine drawing rib sleeving device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112371740A (en) * | 2020-11-02 | 2021-02-19 | 谢娟 | Drawing extension production device for steel pipe |
| CN216126330U (en) * | 2021-11-14 | 2022-03-25 | 江苏熊火机械制造有限公司 | Pulling machine is with moving core-piercing, material feeding unit |
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2022
- 2022-09-21 CN CN202211149072.3A patent/CN115673014B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837382A (en) * | 2009-03-20 | 2010-09-22 | 周晓辉 | Production method and device of copper tube used by conductive nozzle |
| CN102527757A (en) * | 2011-12-07 | 2012-07-04 | 浙江伦宝金属管业有限公司 | Automatic material distributing and conveying device of cold-drawn steel tubes |
| CN202621601U (en) * | 2012-06-19 | 2012-12-26 | 嘉兴市新纪元钢管制造有限公司 | Automatic pipe embedding device |
| CN205926633U (en) * | 2016-08-22 | 2017-02-08 | 绍兴上虞正达管业有限公司 | Automatic positioning pay -off drawbench suitable for multiple pipe diameter |
| CN219560945U (en) * | 2022-09-21 | 2023-08-22 | 中山市曙光铝业有限公司 | Metal tube type fine drawing rib sleeving device |
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| CN115673014A (en) | 2023-02-03 |
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