CN114522990A - Seamless steel tube drawing and processing equipment with adjustable clamp caliber - Google Patents
Seamless steel tube drawing and processing equipment with adjustable clamp caliber Download PDFInfo
- Publication number
- CN114522990A CN114522990A CN202210156232.0A CN202210156232A CN114522990A CN 114522990 A CN114522990 A CN 114522990A CN 202210156232 A CN202210156232 A CN 202210156232A CN 114522990 A CN114522990 A CN 114522990A
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- China
- Prior art keywords
- steel pipe
- clamping
- seamless steel
- processing equipment
- fixed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 76
- 239000010959 steel Substances 0.000 title claims abstract description 76
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims 2
- 210000002421 cell wall Anatomy 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/27—Carriages; Drives
- B21C1/28—Carriages; Connections of grippers thereto; Grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to the technical field of metal pipe fitting machining, in particular to seamless steel pipe stretching machining equipment with an adjustable clamp caliber. According to the invention, the plurality of clamping structures are arranged above the base plate, and the steel pipe main body is arranged on the clamping structures, so that the clamping columns on the clamping structures can be abutted against the inner wall of the steel pipe main body when the plurality of clamping structures are controlled to move together, and the clamping blocks can be abutted against the outer wall of the steel pipe main body when the clamping structures are controlled to move, so that the clamping columns and the clamping blocks clamp the pipe wall of the steel pipe main body, the clamping effect of the clamping structures on the steel pipe main body is increased, and the phenomenon of slipping of the steel pipe main body when the steel pipe main body is clamped is prevented.
Description
Technical Field
The invention relates to the technical field of metal pipe fitting machining, in particular to seamless steel pipe stretching machining equipment with an adjustable clamp caliber.
Background
The seamless steel pipe is formed by punching a whole round steel, the surface of the seamless steel pipe is not provided with a welding seam, the seamless steel pipe is divided into a round shape and a special shape, meanwhile, the seamless steel pipe is divided into a thick-wall seamless steel pipe and a thin-wall seamless steel pipe, and when the seamless steel pipe is processed, stretching equipment is needed to fix the first end and the last end of the produced seamless steel pipe by using a clamp and then stretch and form the seamless steel pipe. When a seamless steel pipe is clamped, a clamp capable of adjusting the clamping caliber is usually used for directly clamping the end part of the seamless steel pipe, and because the pipe wall of the seamless steel pipe is thin when the thin-walled seamless steel pipe is produced, the end part of the seamless steel pipe is easy to deform due to overlarge clamping force when the end part of the seamless steel pipe is directly clamped from the outer side of the seamless steel pipe, the clamping effect of the clamp on the end part of the seamless steel pipe is reduced, and the end part of the seamless steel pipe is easy to slip from the clamp.
Disclosure of Invention
The invention aims to provide seamless steel tube drawing and processing equipment with an adjustable clamp caliber, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a tensile processing equipment of seamless steel pipe with adjustable anchor clamps bore, includes the bedplate, a plurality of side channels have been seted up on the peripheral surface of bedplate, the sliding tray has been seted up to the tank bottom department in side channel, a plurality of centre gripping structures are installed to the preceding terminal surface position department of bedplate, the quantity of centre gripping structure with the quantity of sliding tray equals and the position one-to-one, the centre gripping structure include with the bedplate preceding terminal surface laminating the fly leaf, fix the rotation motor of bedplate side end face and install the tight structure of clamp of terminal surface position department before the fly leaf, it is a plurality of the centre gripping has the steel pipe main part between the centre gripping structure.
Preferably, the bottom of the side groove is planar, guide grooves are formed in the groove walls on the two sides of the top bottom of the sliding groove, a boss is integrally formed at the back of the movable plate, the boss extends into the sliding groove and is in sliding connection with the sliding groove, guide convex strips are integrally formed at the positions of the outer end faces on the two sides of the top bottom of the boss, and the guide convex strips extend into the guide grooves and are in sliding connection with the guide grooves.
Preferably, a base is arranged at the lower position of the seat plate, a plurality of supporting legs are fixed between the top end of the base and the bottom end of the seat plate through bolts, and rib plates are fixed between the left side end face and the right side end face of each supporting leg and the top surface of the base through bolts.
Preferably, the head of the movable plate is integrally formed with a head, and a clamping column is fixed to a front end face of the head by a bolt and can abut against an outer surface of the steel pipe body.
Preferably, an installation plate is fixed at the groove bottom of the side groove through a bolt, the rotating motor is fixed on the installation plate through a bolt, a threaded rod is keyed at the tail end of an output shaft of the rotating motor, the threaded rod extends into the sliding groove and is in sliding connection with the seat plate, a through threaded hole is formed in the side end face of the boss, and the threaded rod penetrates through the threaded hole and is in threaded connection with the threaded hole.
Preferably, the clamping structure includes a fixed seat fixedly connected to the movable plate by a bolt, a clamping block extending into the port of the steel pipe main body and abutting against the inner wall of the steel pipe main body, and an oil cylinder fixed to the side end face of the fixed seat by a bolt.
Preferably, the edges of the two sides of the top and the bottom of the root of the fixed seat are integrated into a convex plate, and the convex plate is fixedly connected with the front end face of the movable plate through a bolt.
Preferably, the tail end of the clamping block is in threaded connection with a plurality of guide rods, the fixing seat is provided with a plurality of sliding holes, the guide rods penetrate through the sliding holes and are in sliding connection with the sliding holes, the tail ends of the guide rods are integrally formed with hanging columns, and the tail end of a piston rod of the oil cylinder penetrates through the fixing seat and is in threaded connection with the clamping block.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the plurality of clamping structures are arranged above the base plate, and the steel pipe main body is arranged on the clamping structures, so that the clamping columns on the clamping structures can be abutted against the inner wall of the steel pipe main body when the plurality of clamping structures are controlled to move together, and the clamping blocks can be abutted against the outer wall of the steel pipe main body when the clamping structures are controlled to move, so that the clamping columns and the clamping blocks clamp the pipe wall of the steel pipe main body, the clamping effect of the clamping structures on the steel pipe main body is increased, and the phenomenon of slipping of the steel pipe main body when the steel pipe main body is clamped is prevented.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view showing the clamping of the steel pipe body according to the present invention;
FIG. 3 is another schematic view of the clamping of the steel pipe body according to the present invention;
FIG. 4 is an exploded view of the overall structure of the present invention;
FIG. 5 is a schematic view of the seat plate according to the present invention;
FIG. 6 is a schematic view of a clamping structure according to the present invention;
FIG. 7 is an exploded view of the clamping structure of the present invention;
fig. 8 is an exploded view of the clamping structure of the present invention.
The meaning of the individual reference symbols in the figures is:
1. a seat plate; 11. a side groove; 12. a sliding groove; 121. a guide groove; 13. a base; 131. supporting legs; 132. a rib plate; 2. a clamping structure; 21. a movable plate; 211. a boss; 2111. a guide convex strip; 2112. a threaded hole; 212. a tip; 213. a clamping post; 22. rotating the motor; 221. mounting a plate; 222. a threaded rod; 23. a clamping structure; 231. a fixed seat; 2311. a slide hole; 2312. a convex plate; 232. a clamping block; 2321. a guide bar; 2322. hanging a column; 233. an oil cylinder; 3. a steel pipe body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution:
the utility model provides a tensile processing equipment of seamless steel pipe with adjustable anchor clamps bore, includes bedplate 1, and a plurality of clamping structure 2 are installed to bedplate 1's preceding terminal surface position department, and clamping structure 2 includes the fly leaf 21 of laminating mutually with bedplate 1 preceding terminal surface, fixes the rotation motor 22 at bedplate 1 side end face and installs the clamp structure 23 of terminal surface position department before fly leaf 21, and the centre gripping has steel pipe main part 3 between a plurality of clamping structure 2.
In the invention, a plurality of side grooves 11 are formed on the peripheral surface of the seat plate 1, the groove bottoms of the side grooves 11 are planar, sliding grooves 12 are formed in the groove bottoms of the side grooves 11, and the number of the clamping structures 2 is equal to that of the sliding grooves 12, and the positions of the clamping structures are in one-to-one correspondence. The groove walls on both sides of the top and the bottom of the sliding groove 12 are respectively provided with a guide groove 121, the back surface of the movable plate 21 is integrally formed with a boss 211, the boss 211 extends into the sliding groove 12 and is slidably connected with the sliding groove 12, so that the movable plate 21 can move along the sliding groove 12 under the action of the boss 211, the outer end surfaces of both sides of the top and the bottom of the boss 211 are integrally formed with a guide convex strip 2111, the guide convex strip 2111 extends into the guide groove 121 and is slidably connected with the guide groove 121, so that the boss 211 can be limited in the sliding groove 12 by the boss 211 under the limitation of the guide convex strip 2111 to prevent the boss 211 from falling out of the sliding groove 12, so that the movable plate 21 is limited on the seat plate 1.
Specifically, a base 13 is arranged at a position below the seat plate 1, and a plurality of supporting legs 131 are fixed between the top end of the base 13 and the bottom end of the seat plate 1 through bolts, so that the seat plate 1 is fixed on the base 13 by the supporting legs 131. Ribs 132 are fixed between the end surfaces of the left side and the right side of the supporting leg 131 and the top surface of the base 13 through bolts, and the ribs 132 can strengthen the connection strength between the base 13 and the supporting leg 131.
Further, a head 212 is integrally formed at the head position of the movable plate 21, a clamping column 213 is fixed at the front end surface position of the head 212 through a bolt, the clamping column 213 can abut against the outer surface of the steel pipe main body 3, and the plurality of movable plates 21 are controlled to respectively slide outwards along the sliding grooves 12 after the steel pipe main body 3 is sleeved at the peripheries of the plurality of clamping columns 213 on the plurality of clamping structures 2, so that the plurality of clamping columns 213 abut against the inner wall of the steel pipe main body 3, and the end of the steel pipe main body 3 is clamped by the plurality of clamping columns 213 from the inner side.
In addition, the mounting plate 221 is fixed at the bottom of the side groove 11 by a bolt, the rotating motor 22 is fixed on the mounting plate 221 by a bolt, the threaded rod 222 is keyed on the end of the output shaft of the rotating motor 22, the threaded rod 222 extends into the sliding groove 12 and is connected with the seat plate 1 in a sliding manner, the through threaded hole 2112 is opened on the side end surface of the boss 211, the threaded rod 222 penetrates through the threaded hole 2112 and is connected with the threaded hole 2112 in a threaded manner, when the rotating motor 22 is connected with an external power supply, the rotating motor 22 starts to work and drives the threaded rod 222 to rotate, so that the boss 211 can move along the sliding groove 12 under the action of the threads and the limitation of the sliding groove 12, the rotating motors 22 are synchronous motors and are controlled by a control switch, so that the rotating motors 22 can work together, and the clamping columns 213 on the clamping structures 2 can move synchronously, so that the clamping columns 213 uniformly clamp the inner wall of the steel pipe body 3.
It is noted that the clamping structure 23 includes a fixed seat 231 fixedly connected with the movable plate 21 by bolts, a clamping block 232 extending into the port of the steel pipe body 3 and abutting against the inner wall of the steel pipe body 3, and an oil cylinder 233 fixed at the position of the side end face of the fixed seat 231 by bolts. The two edges of the top and bottom of the root of the fixing seat 231 are integrated into a protruding plate 2312, and the protruding plate 2312 is fixedly connected with the front end face of the movable plate 21 through a bolt, so that the fixing seat 231 is fixed on the movable plate 21 through the protruding plate 2312.
It should be noted that the tail end of the clamping block 232 is connected with a plurality of guide rods 2321 through threads, the fixing seat 231 is provided with a plurality of sliding holes 2311, the guide rods 2321 penetrate through the sliding holes 2311 and are connected with the sliding holes 2311 in a sliding manner, so that the clamping block 232 can move along the sliding holes 2311 under the action of the guide rods 2321, the tail end of the guide rods 2321 is integrally formed with a hanging column 2322, the hanging column 2322 can prevent the guide rods 2321 from coming out of the sliding holes 2311, the tail end of the piston rod of the oil cylinder 233 penetrates through the fixing seat 231 and is connected with the clamping block 232 through threads, when the oil cylinder 233 works and the piston rod is extended outwards, the oil cylinder 233 pushes the clamping block 232 through the piston rod, so that the clamping block can be attached to the outer surface of the steel pipe main body 3, so that the wall of the steel pipe body 3 can be clamped and fixed by the clamping block 232 and the clamping column 213, the end part of the steel tube main body 3 can be clamped under the clamping of the plurality of clamping structures 2, and the slipping phenomenon of the steel tube main body 3 when being stretched is prevented.
When the seamless steel tube drawing processing equipment with the adjustable caliber of the clamp is used, firstly, the rotating motor 22 is synchronously connected with an external power supply, the rotating motor 22 starts to work together, along with the work of the rotating motor 22, when the rotating motor 22 drives the lug boss 211 to move along the sliding groove 12 through the threaded rod 222 and approach each other, the clamping columns 213 on the plurality of movable plates 21 approach each other, so that the end part of the steel tube main body 3 can be sleeved on the outer sides of the plurality of clamping columns 213, then the plurality of rotating motors 22 are controlled to work together, the rotating motor 22 drives the lug boss 211 to move away from each other along the sliding groove 12 through the threaded rod 222, so that the clamping columns 213 uniformly clamp the inner wall of the steel tube main body 3, finally, the oil cylinder 233 is controlled to work, so that the oil cylinder 233 pushes the clamping block 232 through the piston rod, so that the tube wall of the steel tube main body 3 can be clamped and fixed by the clamping blocks 232 and the clamping columns 213, the steel pipe body 3 is prevented from slipping off when being stretched.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a seamless steel pipe drawing processing equipment with adjustable anchor clamps bore, includes bedplate (1), its characterized in that: the utility model discloses a clamping structure, including bedplate (1), fixed base, bedplate, base, sliding tray (12), a plurality of side channels (11) have been seted up on the peripheral surface of bedplate (1), sliding tray (12) have been seted up to the tank bottom department of side channel (11), a plurality of clamping structure (2) are installed to the preceding terminal surface position department of bedplate (1), the quantity of clamping structure (2) with the quantity of sliding tray (12) equals and the position one-to-one, clamping structure (2) include with fly leaf (21) that the terminal surface was laminated mutually before bedplate (1), fix rotation motor (22) of bedplate (1) side end face and install clamping structure (23), a plurality of the centre gripping has steel pipe main part (3) before fly leaf (21).
2. The seamless steel tube drawing processing equipment with the adjustable caliber of the clamp according to claim 1, characterized in that: the tank bottom of side groove (11) is planar, guide way (121) have all been seted up on the top bottom both sides cell wall of sliding tray (12), the back position department integrated into one piece of fly leaf (21) has boss (211), boss (211) stretch into in sliding tray (12) and with sliding tray (12) sliding connection, the outer terminal surface position department integrated into one piece of boss (211) top bottom both sides has direction sand grip (2111), direction sand grip (2111) stretch into in guide way (121) and with guide way (121) sliding connection.
3. The seamless steel tube drawing processing equipment with the adjustable caliber of the clamp according to claim 1, characterized in that: the seat plate is characterized in that a base (13) is arranged at the position below the seat plate (1), a plurality of supporting legs (131) are fixed between the top end of the base (13) and the bottom end of the seat plate (1) through bolts, and rib plates (132) are fixed between the end surfaces of the left side and the right side of each supporting leg (131) and the top surface of the base (13) through bolts.
4. The seamless steel tube drawing processing equipment with the adjustable caliber of the clamp according to claim 1, characterized in that: the head part of the movable plate (21) is integrally formed with an end head (212), the front end face of the end head (212) is fixed with a clamping column (213) through a bolt, and the clamping column (213) can abut against the outer surface of the steel pipe main body (3).
5. The seamless steel tube drawing processing equipment with the adjustable caliber of the clamp according to claim 2, characterized in that: the side groove (11) is fixed with a mounting plate (221) at the groove bottom through a bolt, the rotating motor (22) is fixed on the mounting plate (221) through a bolt, the tail end of an output shaft of the rotating motor (22) is connected with a threaded rod (222) in a key mode, the threaded rod (222) stretches into the sliding groove (12) and is in sliding connection with the seat plate (1), a through threaded hole (2112) is formed in the side end face of the boss (211), and the threaded rod (222) penetrates through the threaded hole (2112) and is in threaded connection with the threaded hole (2112).
6. The seamless steel tube drawing processing equipment with the adjustable caliber of the clamp according to claim 1, characterized in that: the clamping structure (23) comprises a fixed seat (231) fixedly connected with the movable plate (21) through a bolt, a clamping block (232) extending into the port of the steel pipe main body (3) and abutted against the inner wall of the steel pipe main body (3), and an oil cylinder (233) fixed at the position of the side end face of the fixed seat (231) through a bolt.
7. The seamless steel tube drawing processing equipment with the adjustable caliber of the clamp according to claim 6, characterized in that: the edges of the two sides of the top and the bottom of the root of the fixed seat (231) are integrated into a convex plate (2312), and the convex plate (2312) is fixedly connected with the front end face of the movable plate (21) through bolts.
8. The seamless steel tube drawing processing equipment with the adjustable caliber of the clamp according to claim 7, characterized in that: the tail end of the clamping block (232) is in threaded connection with a plurality of guide rods (2321), a plurality of sliding holes (2311) are formed in the fixing seat (231), the guide rods (2321) penetrate through the sliding holes (2311) and are in sliding connection with the sliding holes (2311), a hanging column (2322) is integrally formed at the tail end of the guide rods (2321), and the tail end of a piston rod of the oil cylinder (233) penetrates through the fixing seat (231) and is in threaded connection with the clamping block (232).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210156232.0A CN114522990A (en) | 2022-02-21 | 2022-02-21 | Seamless steel tube drawing and processing equipment with adjustable clamp caliber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210156232.0A CN114522990A (en) | 2022-02-21 | 2022-02-21 | Seamless steel tube drawing and processing equipment with adjustable clamp caliber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114522990A true CN114522990A (en) | 2022-05-24 |
Family
ID=81624344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210156232.0A Pending CN114522990A (en) | 2022-02-21 | 2022-02-21 | Seamless steel tube drawing and processing equipment with adjustable clamp caliber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114522990A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH067832A (en) * | 1992-06-26 | 1994-01-18 | Nkk Corp | Method for cold drawing round steel stock |
| CN210231034U (en) * | 2019-05-22 | 2020-04-03 | 无锡市前洲无缝钢管有限公司 | Cold drawing chuck for seamless steel tube |
| DE212020000393U1 (en) * | 2020-12-20 | 2021-02-24 | Suzhou Lemifun Electrical Technology Co., Ltd | Device for clamping and transporting household waste |
| CN213944352U (en) * | 2020-11-11 | 2021-08-13 | 杭州天志实业有限公司 | Clamping mechanism of drawbench trolley for stainless steel pipe production |
| CN113275612A (en) * | 2021-05-20 | 2021-08-20 | 高建菊 | Numerical control lathe machine tooling fixture |
| CN214538917U (en) * | 2020-12-26 | 2021-10-29 | 麻栗坡中盛建筑材料有限公司 | A test device for tensile fatigue test of steel pipe concrete member |
| CN214639172U (en) * | 2021-04-26 | 2021-11-09 | 无锡欧龙特种钢管有限公司 | Clamp of seamless steel pipe cold-drawing machine |
| CN215314764U (en) * | 2021-07-07 | 2021-12-28 | 无锡旋力材料科技有限公司 | Cold drawing device is used in processing of seamless steel pipe convenient to it is tight |
| CN215543778U (en) * | 2021-08-10 | 2022-01-18 | 浙江金航钢管科技有限公司 | Cold drawing machine for seamless steel tube |
-
2022
- 2022-02-21 CN CN202210156232.0A patent/CN114522990A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH067832A (en) * | 1992-06-26 | 1994-01-18 | Nkk Corp | Method for cold drawing round steel stock |
| CN210231034U (en) * | 2019-05-22 | 2020-04-03 | 无锡市前洲无缝钢管有限公司 | Cold drawing chuck for seamless steel tube |
| CN213944352U (en) * | 2020-11-11 | 2021-08-13 | 杭州天志实业有限公司 | Clamping mechanism of drawbench trolley for stainless steel pipe production |
| DE212020000393U1 (en) * | 2020-12-20 | 2021-02-24 | Suzhou Lemifun Electrical Technology Co., Ltd | Device for clamping and transporting household waste |
| CN214538917U (en) * | 2020-12-26 | 2021-10-29 | 麻栗坡中盛建筑材料有限公司 | A test device for tensile fatigue test of steel pipe concrete member |
| CN214639172U (en) * | 2021-04-26 | 2021-11-09 | 无锡欧龙特种钢管有限公司 | Clamp of seamless steel pipe cold-drawing machine |
| CN113275612A (en) * | 2021-05-20 | 2021-08-20 | 高建菊 | Numerical control lathe machine tooling fixture |
| CN215314764U (en) * | 2021-07-07 | 2021-12-28 | 无锡旋力材料科技有限公司 | Cold drawing device is used in processing of seamless steel pipe convenient to it is tight |
| CN215543778U (en) * | 2021-08-10 | 2022-01-18 | 浙江金航钢管科技有限公司 | Cold drawing machine for seamless steel tube |
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Application publication date: 20220524 |
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