CN114833201A - Rearmounted dolly of puncher for seamless steel pipe production - Google Patents
Rearmounted dolly of puncher for seamless steel pipe production Download PDFInfo
- Publication number
- CN114833201A CN114833201A CN202210504250.3A CN202210504250A CN114833201A CN 114833201 A CN114833201 A CN 114833201A CN 202210504250 A CN202210504250 A CN 202210504250A CN 114833201 A CN114833201 A CN 114833201A
- Authority
- CN
- China
- Prior art keywords
- rod
- seamless steel
- sliding
- baffle
- vehicle body
- Prior art date
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 32
- 239000010959 steel Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 230000001681 protective effect Effects 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
- B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses a rear trolley of a perforating machine for producing seamless steel pipes, which comprises: the supporting frame comprises a supporting seat and a vehicle body, wherein a baffle is mounted at the top of the supporting seat, the other side of the baffle is connected with a sliding rod, a sliding block is sleeved on the outer side of the sliding rod, the vehicle body is mounted at the top of the sliding block, a mounting seat is mounted on one side of the vehicle body, a positive and negative threaded rod is arranged in the mounting seat, and a threaded sleeve is sleeved on the outer side of the positive and negative threaded rod; the rear trolley of the perforating machine for producing the seamless steel pipes has the beneficial effects that: the steel pipe can be placed in the middle of the clamping plate before work, then the positive and negative threaded rod on one side of the mounting seat can be rotated, the positive and negative threaded rod can drive the threaded sleeve sleeved on the outer side to move, the thread directions of the two ends are opposite, so that the clamping plate connected to the other side of the threaded sleeve can move in the opposite direction, the workpiece in the middle can be fixed at the moment, and the rear trolley of the perforating machine for seamless steel pipe production is characterized in that.
Description
Technical Field
The invention relates to the technical field of rear trolleys, in particular to a rear trolley of a perforating machine for producing seamless steel pipes.
Background
The rear trolley of the perforating machine is required to be used in the production process of the seamless steel tube, and the ejector rod is driven by the rear trolley of the perforating machine to complete processing of the blank of the seamless steel tube, so that the rear trolley of the perforating machine plays an important role in the whole processing process of the seamless steel tube, and qualified seamless steel tubes can be produced only by ensuring the normal work of the rear trolley of the perforating machine.
The rear trolley used at present often cannot have the function of clamping workpieces in the using process, so that the workpiece is easy to fall off in the working process, meanwhile, the trolley cannot be buffered, the trolley is damaged by long-time use, and the using requirements of people cannot be met, so that the problems are required to be improved.
Disclosure of Invention
The invention aims to provide a rear trolley of a perforating machine for producing seamless steel pipes, and aims to solve the problems that the conventional rear trolley cannot clamp a workpiece in the using process, so that the workpiece is easy to fall off in the working process, and cannot play a role in buffering the trolley, so that the trolley is damaged after being used for a long time, and the using requirements of people cannot be met.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a rearmounted dolly of puncher for seamless steel pipe production, includes: the supporting seat is mounted at the top of the supporting seat, a baffle is mounted at the other side of the baffle and is connected with a sliding rod, a sliding block is sleeved on the outer side of the sliding rod, and the vehicle body is mounted at the top of the sliding block;
the mounting seat is installed to one side of automobile body, and the inside of mounting seat is provided with positive and negative threaded rod, the thread bush has been cup jointed in the outside of positive and negative threaded rod, and the opposite side of thread bush is connected with splint.
Preferably, the vehicle body forms a sliding structure through the sliding blocks and the sliding rods, and the sliding rods are symmetrically distributed about a central axis of the supporting seat.
Preferably, splint constitute the revolution mechanic along between thread bush and the positive and negative threaded rod, and the one end of positive and negative threaded rod passes through the bearing and connects the inside at the mount pad, and the steel pipe that the user will need processing is placed in two splint, because positive and negative threaded rod direction is different, rotates the threaded rod this moment and will drive the splint of one side to opposite direction motion through the thread bush, just can step up fixedly this moment to the steel pipe in the middle of, and the person of facilitating the use fixes the work piece.
Preferably, the vehicle body includes:
the ejector rod is installed on the other side of the vehicle body, the clamping sleeve is installed on the other side of the baffle, a top plate is arranged inside the clamping sleeve, and a movable spring is connected between the clamping sleeve and the top plate.
Preferably, the horizontal axis of ejector pin and the horizontal axis of cutting ferrule coincide each other, and the ejector pin is about the axis symmetric distribution of automobile body, and the dolly moves through the slide bar of both sides, in the cutting ferrule is docked through one side ejector pin in the motion process china, then the roof in the cutting ferrule will cause the extrusion to the live spring to play the effect of buffering, avoid the automobile body speed to cause the damage to the automobile body at the excessive speed, and can not influence user's normal use.
Preferably, the baffle further comprises:
the protection plate is installed one side of baffle, the spout has been seted up on the surface of protection plate, and the inside of spout is provided with the slide, the kelly is installed to one side of slide, and the recess gomphosis is passed through in the inside of baffle to the one end of kelly, the surface mounting of slide has the plush copper, be connected with coupling spring through the through hole between plush copper and the slide, the pivot is installed to one side of baffle, and the opposite side of pivot is connected with the movable rod, and the inside of movable rod runs through and has seted up the spacing groove.
Preferably, the clamping rod forms a movable structure through the sliding plate and the sliding groove, and the sliding groove and the protection plate are integrally formed.
Preferably, the movable rod passes through to constitute the block structure between spacing groove and the plush copper, and the plush copper is about connecting spring's axis symmetric distribution, thereby the person of facilitating the use maintains, through the plush copper of pressing the slide both sides, make the plush copper shrink, just can rotate the movable rod this moment, open the guard plate, thereby facilitate the use this to inside maintenance, reverse operation, the plush copper is to the inside spacing groove of movable rod after, the effort that receives connecting spring rebounds, thereby block the movable rod, play the effect of fixed guard plate.
Compared with the prior art, the rear trolley of the perforating machine for seamless steel tube production has the beneficial effects that: before work, a steel pipe can be placed in the middle of the clamping plate, then the positive and negative threaded rods on one side of the mounting seat can be rotated, the positive and negative threaded rods can drive the threaded sleeves sleeved on the outer sides to move, and due to the fact that the directions of threads on two ends are opposite, the clamping plate connected to the other side of the threaded sleeves can move in the opposite direction, and at the moment, a workpiece in the middle can be fixed; the rear trolley of the perforating machine for producing the seamless steel pipes is characterized by comprising a trolley body.
1. The steel pipe that the user will need to process is placed in two splint, because positive and negative threaded rod direction is different, rotates the threaded rod this moment and will drive the splint of one side to the opposite direction motion through the thread bush, just can step up fixedly this moment to middle steel pipe, and the person of facilitating the use fixes the work piece.
2. The dolly moves through the slide bar of both sides, and in the motion process china docks the cutting ferrule through one side ejector pin, then the roof in the cutting ferrule will cause the extrusion to the floating spring to play the effect of buffering, avoid automobile body speed to cause the damage to the automobile body at the excessive speed, and can not influence user's normal use.
3. Whole device can be through the plush copper of pressing the slide both sides when needs are maintained inside for the plush copper contracts, just can rotate the movable rod this moment, opens the guard plate, thereby facilitates the use this to inside maintenance, reverse operation, and the plush copper is to the inside spacing groove of movable rod after, receives connecting spring's effort to kick-back, thereby blocks the movable rod, plays the effect of fixed guard plate.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the part guard of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic side view of the present invention;
FIG. 5 is a schematic view of the internal structure of the parts mounting base according to the present invention;
FIG. 6 is a schematic view of a part clamping bar mounting structure of the present invention;
FIG. 7 is an enlarged view of the structure at A of the present invention.
In the figure: 1. a supporting seat; 2. a baffle plate; 3. a slide bar; 4. a slider; 5. a vehicle body; 6. a mounting seat; 7. a positive and negative threaded rod; 8. a threaded sleeve; 9. a splint; 10. a top rod; 11. a card sleeve; 12. a top plate; 13. a movable spring; 14. a protection plate; 15. a chute; 16. a slide plate; 17. a clamping rod; 18. a raised head; 19. a connecting spring; 20. a rotating shaft; 21. a movable rod; 22. a limiting groove.
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.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a rearmounted dolly of puncher for seamless steel pipe production, includes: the supporting frame comprises a supporting seat 1 and a vehicle body 5, wherein a baffle 2 is installed at the top of the supporting seat 1, the other side of the baffle 2 is connected with a sliding rod 3, a sliding block 4 is sleeved on the outer side of the sliding rod 3, and the vehicle body 5 is installed at the top of the sliding block 4;
a mounting seat 6 is arranged on one side of the vehicle body 5, a positive and negative threaded rod 7 is arranged inside the mounting seat 6, a threaded sleeve 8 is sleeved on the outer side of the positive and negative threaded rod 7, and the other side of the threaded sleeve 8 is connected with a clamping plate 9, the vehicle body 5 forms a sliding structure with the sliding rod 3 through the sliding block 4, the slide bars 3 are symmetrically distributed about the central axis of the supporting seat 1, the clamping plate 9 forms a movable structure along the space between the threaded sleeve 8 and the positive and negative threaded rod 7, one end of the positive and negative threaded rod 7 is connected with the inside of the mounting seat 6 through a bearing, the whole device can rotate the positive and negative threaded rod 7 before working, so that the thread bushing 8 sleeved outside the positive and negative threaded rod 7 drives the clamping plate 9 connected on one side to move, the two chucks can move oppositely due to the opposite thread directions at the two ends of the positive and negative threaded rod 7, so that the middle workpiece of the clamping plate 9 is clamped;
the vehicle body 5 includes: the push rod 10 is mounted on the other side of the vehicle body 5, the clamping sleeve 11 is mounted on the other side of the baffle plate 2, the top plate 12 is arranged inside the clamping sleeve 11, the movable spring 13 is connected between the clamping sleeve 11 and the top plate 12, the transverse central axis of the push rod 10 and the transverse central axis of the clamping sleeve 11 are mutually overlapped, the push rod 10 is symmetrically distributed about the central axis of the vehicle body 5, meanwhile, the whole device can be butted into the clamping sleeve 11 of the baffle plate 2 through the push rod 10 on the other side of the vehicle body 5 in the moving process, the movable spring 13 is extruded through the top plate 12, and at the moment, the action force of the movable spring 13 can play a role in buffering the vehicle body 5, so that the impact of the vehicle body 5 on the baffle plate 2 is effectively avoided;
the baffle 2 further comprises: the protective plate comprises a protective plate 14, a sliding groove 15 is formed in the surface of the protective plate 14, a sliding plate 16 is arranged inside the sliding groove 15, a clamping rod 17 is arranged on one side of the sliding plate 16, one end of the clamping rod 17 is embedded inside the protective plate 2 through a groove, a raised head 18 is arranged on the surface of the sliding plate 16, a connecting spring 19 is connected between the raised head 18 and the sliding plate 16 through a through hole, a rotating shaft 20 is arranged on one side of the protective plate 2, a movable rod 21 is connected to the other side of the rotating shaft 20, a limiting groove 22 is formed in the movable rod 21 in a penetrating mode, a movable structure is formed between the clamping rod 17 and the sliding groove 15 through the sliding plate 16, the sliding groove 15 and the protective plate 14 are integrally constructed, a clamping structure is formed between the movable rod 21 and the raised head 18 through the limiting groove 22, and the raised heads 18 are symmetrically distributed about the central axis of the connecting spring 19, when the interior of the device needs to be maintained, the raised heads 18 on the two sides of the sliding plate 16 can be pressed, so that the raised heads 18 are inwards contracted through the connecting springs 19 in the device, the movable rod 21 on the other side of the baffle plate 2 is rotated at the moment, the raised heads 18 come out of the limiting grooves 22 in the movable rod 21, then the sliding plate 16 can be pulled to one side through the sliding grooves 15, the sliding plate 16 comes out of the baffle plate 2, the protection plate 14 can be opened at the moment, and a user can conveniently maintain the interior.
To sum up: when the rear trolley of the perforating machine for producing seamless steel pipes is used, the whole device can be placed on a vehicle body 5 through a steel pipe needing perforation, a positive and negative threaded rod 7 at the front end of the vehicle body 5 can be rotated before work, so that a threaded sleeve 8 sleeved on the outer side of the positive and negative threaded rod 7 drives a clamping plate 9 connected with one side to move, two clamping heads can move oppositely due to opposite thread directions at two ends of the positive and negative threaded rod 7, a clamping effect is achieved on a middle workpiece of the clamping plate 9, and meanwhile, a top trolley is driven to move through a driving screw rod; meanwhile, the whole device can be butted into a clamping sleeve 11 of the baffle 2 through an ejector rod 10 on the other side of the vehicle body 5 in the moving process, and a movable spring 13 is extruded through a top plate 12, so that the action force of the movable spring 13 can play a role in buffering the vehicle body 5, and the impact of the vehicle body 5 on the baffle 2 is effectively avoided; meanwhile, the raised heads 18 on the two sides of the sliding plate 16 can be pressed, so that the raised heads 18 are retracted inwards through the internal connecting springs 19, at the moment, the movable rod 21 on the other side of the baffle plate 2 can be rotated through the rotating shaft 20, the raised heads 18 are led out of the limiting grooves 22 in the movable rod 21, then the sliding plate 16 can be pulled towards one side through the sliding groove 15, so that the sliding plate 16 is led out of the baffle plate 2, at the moment, the protection plate 14 can be opened, the internal maintenance is convenient for a user, and the rear trolley of the perforating machine for producing seamless steel pipes is characterized in that the details are not described in the description, and belongs to the prior art which is well known by technical personnel in the field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a rearmounted dolly of puncher for seamless steel pipe production, includes: the supporting seat is characterized in that a baffle (2) is mounted at the top of the supporting seat (1), a sliding rod (3) is connected to the other side of the baffle (2), a sliding block (4) is sleeved on the outer side of the sliding rod (3), and the vehicle body (5) is mounted at the top of the sliding block (4);
the mounting seat (6) is installed to one side of automobile body (5), and the inside of mounting seat (6) is provided with positive and negative threaded rod (7), thread bush (8) has been cup jointed in the outside of positive and negative threaded rod (7), and the opposite side of thread bush (8) is connected with splint (9).
2. The rear trolley of the perforating machine for producing the seamless steel tube as claimed in claim 1, wherein: the vehicle body (5) forms a sliding structure through the sliding block (4) and the sliding rod (3), and the sliding rods (3) are symmetrically distributed about the central axis of the supporting seat (1).
3. The rear trolley of the perforating machine for producing the seamless steel tube as claimed in claim 1, wherein: the clamping plate (9) forms a movable structure between the threaded sleeve (8) and the positive and negative threaded rod (7), and one end of the positive and negative threaded rod (7) is connected to the inside of the mounting seat (6) through a bearing.
4. The rear trolley of the perforating machine for producing the seamless steel tube as claimed in claim 1, wherein: the vehicle body (5) includes:
the push rod (10) is mounted on the other side of the vehicle body (5), the clamping sleeve (11) is mounted on the other side of the baffle (2), the top plate (12) is arranged inside the clamping sleeve (11), and the movable spring (13) is connected between the clamping sleeve (11) and the top plate (12).
5. The rear trolley of the perforating machine for producing the seamless steel tube as claimed in claim 4, wherein: the transverse central axis of the ejector rod (10) is superposed with the transverse central axis of the clamping sleeve (11), and the ejector rod (10) is symmetrically distributed about the central axis of the vehicle body (5).
6. The rear trolley of the perforating machine for producing the seamless steel tube as claimed in claim 1, wherein: the baffle (2) further comprises:
protection plate (14), install one side of baffle (2), spout (15) have been seted up on the surface of protection plate (14), and the inside of spout (15) is provided with slide (16), kelly (17) are installed to one side of slide (16), and the one end of kelly (17) passes through the inside of recess gomphosis at baffle (2), the surface mounting of slide (16) has plush copper (18), be connected with connecting spring (19) through the through-hole between plush copper (18) and slide (16), pivot (20) are installed to one side of baffle (2), and the opposite side of pivot (20) is connected with movable rod (21), and the inside of movable rod (21) runs through and has seted up spacing groove (22).
7. The rear trolley of the perforating machine for producing the seamless steel tube as claimed in claim 6, wherein: the clamping rod (17) forms a movable structure with the sliding groove (15) through the sliding plate (16), and the sliding groove (15) and the protection plate (14) are of an integrated structure.
8. The rear trolley of the perforating machine for producing the seamless steel tube as claimed in claim 6, wherein: the movable rod (21) and the raised head (18) form a clamping structure through the limiting groove (22), and the raised head (18) is symmetrically distributed about the central axis of the connecting spring (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210504250.3A CN114833201A (en) | 2022-05-10 | 2022-05-10 | Rearmounted dolly of puncher for seamless steel pipe production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210504250.3A CN114833201A (en) | 2022-05-10 | 2022-05-10 | Rearmounted dolly of puncher for seamless steel pipe production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114833201A true CN114833201A (en) | 2022-08-02 |
Family
ID=82568788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210504250.3A Pending CN114833201A (en) | 2022-05-10 | 2022-05-10 | Rearmounted dolly of puncher for seamless steel pipe production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114833201A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0119154A2 (en) * | 1983-03-10 | 1984-09-19 | MANNESMANN Aktiengesellschaft | Rolling mill arrangement for the production of seamless steel pipes |
| JP2002035812A (en) * | 2000-07-31 | 2002-02-05 | Kawasaki Steel Corp | Method for rolling raw tube for seamless steel tube manufacture |
| CN101234402A (en) * | 2007-12-21 | 2008-08-06 | 浙江格洛斯无缝钢管有限公司 | Processing method of thin-wall seamless steel tube |
| CN103624082A (en) * | 2013-12-03 | 2014-03-12 | 中冶东方工程技术有限公司 | Top-rod separating device for perforating seamless steel pipe |
| CN209109838U (en) * | 2018-11-15 | 2019-07-16 | 江苏三耐特种设备制造有限公司 | A kind of punch mandrel positioning device |
| CN210918613U (en) * | 2019-09-26 | 2020-07-03 | 杭州余杭宇彬五金加工有限公司 | Convenient quick detachable movable bolt for hydrant |
| CN210966370U (en) * | 2019-11-11 | 2020-07-10 | 河南汇丰管业有限公司 | Damping device for mandril trolley of perforating machine |
-
2022
- 2022-05-10 CN CN202210504250.3A patent/CN114833201A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0119154A2 (en) * | 1983-03-10 | 1984-09-19 | MANNESMANN Aktiengesellschaft | Rolling mill arrangement for the production of seamless steel pipes |
| JP2002035812A (en) * | 2000-07-31 | 2002-02-05 | Kawasaki Steel Corp | Method for rolling raw tube for seamless steel tube manufacture |
| CN101234402A (en) * | 2007-12-21 | 2008-08-06 | 浙江格洛斯无缝钢管有限公司 | Processing method of thin-wall seamless steel tube |
| CN103624082A (en) * | 2013-12-03 | 2014-03-12 | 中冶东方工程技术有限公司 | Top-rod separating device for perforating seamless steel pipe |
| CN209109838U (en) * | 2018-11-15 | 2019-07-16 | 江苏三耐特种设备制造有限公司 | A kind of punch mandrel positioning device |
| CN210918613U (en) * | 2019-09-26 | 2020-07-03 | 杭州余杭宇彬五金加工有限公司 | Convenient quick detachable movable bolt for hydrant |
| CN210966370U (en) * | 2019-11-11 | 2020-07-10 | 河南汇丰管业有限公司 | Damping device for mandril trolley of perforating machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219292558U (en) | Reamer for high specific volume electrode foil | |
| CN113084024A (en) | Stamping fixing device for machining | |
| CN209811765U (en) | Lathe quick clamping device | |
| CN114833201A (en) | Rearmounted dolly of puncher for seamless steel pipe production | |
| CN118046229B (en) | Grooving device for aluminum veneer curtain wall | |
| CN212470601U (en) | Novel automobile part tool clamp | |
| CN210497965U (en) | Bending die applied to rail transit vehicle body processing | |
| CN219131575U (en) | Universal lifting table milling machine is with adding mechanism of holding | |
| CN108274461A (en) | A kind of Reed type grabbing device | |
| CN213617880U (en) | Deburring device for plastic processing | |
| CN210413464U (en) | Novel traceless threading machine | |
| CN211680513U (en) | Laser vision welding tracking three-axis gantry laser welding machine | |
| CN215657125U (en) | Traction equipment is used in aluminum alloy ex-trusions processing | |
| CN219987340U (en) | Effectual automobile parts clamping device of centre gripping | |
| CN215966974U (en) | Tail material holding device of laser pipe cutting machine | |
| CN221473393U (en) | Sleeve thread rolling device | |
| CN214556468U (en) | Marine four-roller plate bending machine | |
| CN213889881U (en) | Rotary worktable convenient to adjust | |
| CN211990447U (en) | Servo control spinning-lathe | |
| CN222001455U (en) | High-speed spinning device of aluminum alloy lamp pole | |
| CN221790597U (en) | Extrusion equipment manipulator | |
| CN221185179U (en) | Positioning mechanism of engraving machine for wrench machining | |
| CN221818178U (en) | Mould deckle edge grinding device | |
| CN220992600U (en) | Diameter reducing equipment for round bar steel | |
| CN217316848U (en) | Drilling and milling machine processingequipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |