CN210305200U - Steel pipe bending machine - Google Patents
Steel pipe bending machine Download PDFInfo
- Publication number
- CN210305200U CN210305200U CN201921400718.4U CN201921400718U CN210305200U CN 210305200 U CN210305200 U CN 210305200U CN 201921400718 U CN201921400718 U CN 201921400718U CN 210305200 U CN210305200 U CN 210305200U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- block
- connecting plate
- motor
- sliding
- 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.)
- Active
Links
Images
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses a steel pipe bender, including the workstation, the top of workstation is equipped with fixed stop, half slot, stand, rotating baffle and first half round fluting, and the middle part of half slot is equipped with adjustable pivot, the bottom of workstation still is equipped with the second slide rail, still is equipped with the second slider on the second slide rail, and the round hole has been seted up at the middle part of second slider, and the round bar alternates first half round fluting, second half round fluting and round hole, and the round bar is connected with the second slider through the bearing, and one side of second slider is equipped with first motor, and the output of first motor is equipped with the gear, one side of second slide rail is equipped with the gear rail, and the gear is connected with the gear rail meshing. The utility model discloses an overall structure's setting makes its bending that is applicable to different pipe diameter steel pipes, causes to be difficult for taking place distortion and uncontrollable deformation at the steel pipe in-process of bending, improves work piece machining efficiency, and reduces the extrusion force that each part of steel pipe bender bore, improves its life.
Description
Technical Field
The utility model relates to a steel pipe processingequipment, especially a steel pipe bender.
Background
The steel pipe is a very common pipeline connecting piece, the elbow formed by bending the steel pipe is connected with the elbow adopting a finished product, the processing speed is high, the number of joints can be reduced, and leakage is prevented, but the commercially available steel pipe is generally a straight steel pipe, in the actual production process, the steel pipe is often required to be bent, at present, bending is generally performed manually by means of a tool (such as a bending pliers), although the bending mode can meet the bending requirements of small steel pipes, a large number of defects exist, for example, because the arm force of a user is limited, a large steel pipe is difficult to bend, the bending part is easy to deviate from the body of the straight steel pipe, namely, the whole bent steel pipe is not in the same plane, and some steel pipe bending machines in the market generally have the following defects:
1. the bending roller is fixed with the workbench and cannot be adjusted, so that the bending roller is not suitable for bending steel pipes with different pipe diameters.
2. The area of contact between the general and the steel pipe of drive power of bending is less, causes the steel pipe to take place distortion and uncontrollable deformation in the in-process of bending easily, leads to machining efficiency low.
3. The moment of the bending driving force is short, and each part of the steel pipe bending machine bears large extrusion force, so that parts are easily damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel pipe bender. The bending device is suitable for bending steel pipes with different pipe diameters, causes the steel pipes to be difficult to distort and uncontrollable deform in the bending process, improves the machining efficiency of workpieces, reduces the extrusion force born by each part of the steel pipe bending machine, and prolongs the service life of the steel pipe bending machine.
The technical scheme of the utility model: a steel pipe bending machine comprises a workbench, wherein a fixed baffle, a semicircular groove, an upright post and a rotary baffle are arranged at the top end of the workbench, the semicircular groove is formed in the middle of the top end of the workbench, and an adjustable rotating shaft is arranged in the middle of the semicircular groove; the adjustable rotating shaft comprises a central shaft penetrating through the workbench, a first connecting plate is arranged at the top of the central shaft, a second connecting plate and a sleeve are arranged in the middle of the central shaft, the second connecting plate and the sleeve are connected with the central shaft through a bearing, a third connecting plate is arranged at the bottom of the central shaft, and connecting grooves are formed in one sides of the first connecting plate, the second connecting plate and the third connecting plate; the upright post is arranged on one side of the top end of the workbench, a first connecting block is arranged at the top of the upright post, a connecting groove is arranged on one side of the first connecting block, a screw hole is formed in the bottom of the connecting groove, a screw is arranged in the screw hole, and the first connecting plate is connected with the first connecting block through the screw; the rotary baffle is arranged between the adjustable rotating shaft and the upright column, one end of the rotary baffle is provided with a second connecting block, the second connecting block is connected with a second connecting plate through a screw, the bottom end of the workbench is provided with a third connecting block, and the third connecting block is connected with the third connecting plate through a screw; a first slide rail is arranged on one side of the rotary baffle, a first slide block is arranged on the first slide rail, a round rod is arranged at the bottom end of the first slide block, a second slide rail is further arranged at the bottom end of the workbench, a second semicircular slot is formed in the middle of the second slide rail, a second slide block is further arranged on the second slide rail, a round hole is formed in the middle of the second slide block, a first semicircular slot is formed in the middle of the workbench, the round rod penetrates through the first semicircular slot, the second semicircular slot and the round hole, and the round rod is connected with the second slide block through a bearing; a first motor is arranged on one side of the second sliding block, a gear is arranged at the output end of the first motor, a gear rail is arranged on one side of the second sliding rail, and the gear is in meshed connection with the gear rail; the fixed baffle is arranged at one end of the rotary baffle, and a steel pipe fixing device is arranged at one end of the fixed baffle.
In the steel pipe bending machine, the steel pipe fixing device comprises a supporting block which is fixed at one end of the fixed baffle and is in an L shape, first slide rail grooves are formed in the inner side of the short edge of the supporting block and one side of the fixed baffle, a clamping block is arranged between the short edge of the supporting block and the fixed baffle, third slide blocks are arranged on two sides of the clamping block and are in sliding connection with the first slide rail grooves; the top end of the long edge of the supporting block is provided with two motor fixing plates, the inner sides of the motor fixing plates are provided with second slide rail grooves, a second motor is arranged between the two motor fixing plates, and the two sides of the second motor are provided with fourth slide blocks which are connected with the second slide rail grooves in a sliding manner; the output end of the second motor is provided with a threaded rod, the middle of the long edge of the supporting block is provided with a threaded hole matched with the threaded rod, the threaded rod penetrates through the threaded hole, and the end part of the threaded rod is connected with the top end of the clamping block.
In the steel pipe bending machine, the first connecting plate and the connecting groove have the same size.
In the steel pipe bending machine, the bottom end of the first connecting plate and the top end of the connecting groove are provided with matched anti-slip lines.
According to the steel pipe bending machine, the depth of the semicircular groove is the same as the height of the second connecting block.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a set up the stand, set up first connecting block on the stand, set up the spread groove on the first connecting block, set up the screw hole in the spread groove, screw hole female connection screw, the fixed first connecting plate in center pin top slides in the spread groove, and the screw has alternated to connect the fluting, the workstation bottom is equipped with the third connecting block, the center pin bottom sets up the third connecting plate, third connecting block and third connecting plate are connected to same mode for last, the adjustment of center pin position can be carried out, adjust the center pin position after, screw up the screw, fixed center pin can, the center pin position through this kind of connected mode is adjustable, make the steel pipe bender be applicable to bending of different pipe diameter steel pipes.
2. The utility model discloses a set up fixed stop and steel pipe fixing device and fix the steel pipe of bending point one side, set up rotating barrier, and set up second connecting plate and second connecting block, make rotating barrier and center pin rotate to be connected, through the bearing connecting sleeve on the center pin, and it uses the center pin to rotate as the axle center to set up first motor drive rotating barrier, the steel pipe uses the sleeve to be the bending roll, rotating barrier promotes the opposite side rotation of steel pipe, the steel pipe takes place to buckle, in the process, the area of drive power and steel pipe contact is the area of rotating barrier and steel pipe contact promptly, for general steel pipe bender, the area of drive power and steel pipe contact improves greatly, the probability that distortion and uncontrollable deformation take place for the steel pipe has been reduced, steel pipe machining efficiency is improved.
3. The utility model discloses a set up second slide rail and gear rail in the workstation bottom, set up the second slider on the second slide rail, set up first motor on the second slider, the output of first motor sets up the gear, and gear rail meshing, can drive the second slider and slide along the second slide rail through first motor, set up first slide rail on the whirl baffle side, set up first slider on the first slide rail, set up the round bar in the first slider bottom, the round bar alternates first semicircle fluting and second semicircle fluting and is connected with the second slider through the bearing, in the process that first motor drive second slider slides along the second slide rail, drive first slider and slide along first slide rail, and promote whirl baffle to rotate along the center pin, the bending force that produces the steel pipe in this process is the distance between first slider and the center pin, for general steel pipe, the moment of the drive power of bending has been improved, the extrusion force born by each component is reduced, and the service life of the composite material is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the back of the present invention;
FIG. 3 is one of the enlarged partial schematic views of FIG. 1;
FIG. 4 is a second enlarged partial schematic view of FIG. 1;
FIG. 5 is a schematic structural view of an adjustable spindle;
FIG. 6 is a schematic structural diagram of a first connecting block;
FIG. 7 is an enlarged partial schematic view of FIG. 2;
FIG. 8 is a schematic side view of the rotating baffle;
fig. 9 is a schematic structural view of the steel pipe fixing device.
The labels in the figures are: 1-a table, 2-a fixed baffle, 3-a semicircular groove, 4-an adjustable rotating shaft, 5-a central shaft, 6-a first connecting plate, 7-a second connecting plate, 8-a third connecting plate, 9-a sleeve, 10-a connecting groove, 11-a column, 12-a first connecting block, 13-a connecting groove, 14-a screw hole, 15-a second connecting block, 16-a rotating baffle, 17-a third connecting block, 18-a first semicircular groove, 19-a first slide rail, 20-a first slide block, 21-a round bar, 22-a second slide rail, 23-a second semicircular groove, 24-a second slide block, 25-a round hole, 26-a first motor, 27-a gear, 28-a gear rail, 29-a supporting block, 30-a first slide rail groove, 31-a clamping block, 32-a third sliding block, 33-a motor fixing plate, 34-a second sliding rail groove, 35-a second motor, 36-a fourth sliding block, 37-a threaded rod and 38-a steel pipe fixing device.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Example (b): the utility model provides a steel pipe bender, constitutes as shown in figure 1, includes workstation 1, and the top of workstation 1 is equipped with fixed stop 2, half slot 3, stand 11 and rotating damper 16, and half slot 3 sets up in the middle part on workstation 1 top, and the middle part of half slot 3 is equipped with adjustable pivot 4. As shown in fig. 5, the adjustable rotating shaft 4 includes a central shaft 5 penetrating through the workbench 1, a first connecting plate 6 is arranged at the top of the central shaft 5, a second connecting plate 7 and a sleeve 9 are arranged at the middle of the central shaft 5, the bending part of the steel pipe is deformed when the steel pipe is bent, friction is generated between the steel pipe and the central shaft 5, and the sleeve 9 can reduce friction between the steel pipe and the central shaft 5. Second connecting plate 7 and sleeve 9 are connected with center pin 5 through the bearing, and the bottom of center pin 5 is equipped with third connecting plate 8, and first connecting plate 6, second connecting plate 7 and one side of third connecting plate 8 all are equipped with and connect fluting 10, and first connecting plate 6, second connecting plate 7 and third connecting plate 8's structure is the same completely, and fluting 10 on first connecting plate 6 and the second connecting plate 7 upwards sets up, and fluting 10 of third connecting plate 8 sets up downwards. As shown in fig. 3, the stand 11 is disposed on one side of the top end of the workbench 1, the top of the stand 11 is provided with a first connecting block 12, as shown in fig. 6, one side of the first connecting block 12 is provided with a connecting groove 13, the bottom of the connecting groove 13 is provided with a screw hole 14, a screw is disposed in the screw hole 14, the first connecting plate 6 is connected with the first connecting block 12 through the screw, the rotary baffle 16 is disposed between the adjustable rotating shaft 4 and the stand 11, one end of the rotary baffle 16 is provided with a second connecting block 15, and the second connecting block 15 is connected with the second connecting plate 7 through the screw in the same connecting mode. As shown in fig. 2, a third connecting block 17 is arranged at the bottom end of the workbench 1, the third connecting block 17 is connected with a third connecting plate through a screw in the same connecting mode, the first connecting block 12, the second connecting block 15 and the third connecting block 17 have the same structure, the connecting grooves 13 of the first connecting block 12 and the second connecting block 15 are arranged upwards, and the connecting grooves 13 of the third connecting block 17 are arranged downwards. As shown in fig. 8, one side of the rotating baffle 16 is provided with a first slide rail 19, the first slide rail 19 is provided with a first slider 20, the bottom end of the first slider 20 is provided with a round bar 21, the bottom end of the workbench 1 is further provided with a second slide rail 22, the middle of the second slide rail 22 is provided with a second semicircular slot 23, the second slide rail 22 is further provided with a second slider 24, the middle of the second slider 24 is provided with a round hole 25, the middle of the workbench 1 is provided with a first semicircular slot 18, the round bar 21 penetrates through the first semicircular slot 18, the second semicircular slot 23 and the round hole 25, and the round bar 21 is connected with the second slider 24 through a bearing. A first motor 26 is arranged on one side of the second sliding block 24, as shown in fig. 7, a gear 27 is arranged at the output end of the first motor 26, a gear rail 28 is arranged on one side of the second sliding rail 22, and the gear 27 is engaged with the gear rail 28. The fixed baffle 2 is arranged at one end of the rotary baffle 16, and a steel pipe fixing device 38 is arranged at one end of the fixed baffle 2 to fix the steel pipe.
As shown in fig. 9, the steel pipe fixing device 38 includes a supporting block 29 fixed at one end of the fixed baffle 2 in an L shape, first slide rail grooves 30 are respectively formed on the inner sides of the short edges of the supporting block 29 and one side of the fixed baffle 2, a clamping block 31 is arranged between the short edge of the supporting block 29 and the fixed baffle 2, third slide blocks 32 are arranged on two sides of the clamping block 31, and the third slide blocks 32 are slidably connected with the first slide rail grooves 30; two motor fixing plates 33 are arranged at the top ends of the long sides of the supporting blocks 29, a second slide rail groove 34 is arranged on the inner side of each motor fixing plate 33, a second motor 35 is arranged between the two motor fixing plates 33, fourth slide blocks 36 are arranged on two sides of each second motor 35, and the fourth slide blocks 36 are in sliding connection with the second slide rail grooves 34; the output end of the second motor 35 is provided with a threaded rod 37, the middle part of the long edge of the supporting block 29 is provided with a threaded hole matched with the threaded rod 37, the threaded rod 37 penetrates through the threaded hole, the end part of the threaded rod is connected with the top end of the clamping block 31, the threaded rod 37 is driven to rotate by the second motor 35, the threaded rod 37 moves up and down, the clamping block 31 is pushed to move up and down along the first slide rail groove 30, the steel pipe is clamped, and meanwhile, the second motor 35 moves up and down along the second slide rail groove 34.
The first connecting plate 6 and the connecting groove 13 have the same size, so that the connection between the first connecting plate 6 and the first connecting block 12 is facilitated.
The bottom of first connecting plate 6 and the top of spread groove 13 are equipped with matched with antiskid line, increase the frictional force between first connecting plate 6 and the spread groove 13, prevent to produce between first connecting plate 6 and the spread groove 13 and slide.
The depth of the semicircular groove 3 is the same as the height of the second connecting block 15, so that the protruding part of the second connecting block 15 can prevent the steel pipe from being placed unstably when the steel pipe is placed on the workbench 1.
The working principle is as follows: the utility model discloses a when starting to work, at first, carry out the position adjustment of adjustable pivot 4 to the pipe diameter of steel pipe. Loosening the screws on the first connecting block 12, the second connecting block 15 and the third connecting block 17, placing the steel pipe fitting fixed baffle 2 and the rotating baffle 16, keeping the rotating baffle 16 and the fixed baffle 2 in the same straight line due to the fact that the position of the rotating baffle 16 is not fixed at the moment, pushing the adjustable rotating shaft 4, enabling the first connecting plate 6 to move along the connecting groove 13 until the distance between the sleeve 9 and the rotating baffle 16 is equal to the pipe diameter of the steel pipe, and then screwing the screws. Then, the steel pipe to be bent is moved to the sleeve 9, the second motor 35 is driven, the second motor 35 drives the threaded rod 37 to rotate, the threaded rod 37 moves downwards, the clamping block 31 is pushed to move downwards along the first slide rail groove 30 to clamp the steel pipe, and meanwhile, the second motor 35 moves upwards and downwards along the second slide rail groove 34. Then, the first motor 26 is driven, the first motor 26 drives the gear 27 to rotate, the gear 27 advances along the gear rail 28 when rotating, the driving force enables the second slider 24 to slide along the second slide rail 22, the first slider 20 is driven to slide along the first slide rail 19 through the transmission action of the round rod 21, and the rotary baffle 16 is pushed to rotate along the central shaft 5, so that the steel pipe is bent. And finally, driving the second motor 35 to rotate reversely, so that the clamping block 31 moves upwards along the first slide rail groove 30, and taking down the bent steel pipe.
Claims (5)
1. The utility model provides a steel pipe bender which characterized in that: the automatic lifting device comprises a workbench (1), wherein a fixed baffle (2), a semicircular groove (3), an upright post (11) and a rotary baffle (16) are arranged at the top end of the workbench (1), the semicircular groove (3) is arranged in the middle of the top end of the workbench (1), and an adjustable rotating shaft (4) is arranged in the middle of the semicircular groove (3); the adjustable rotating shaft (4) comprises a central shaft (5) penetrating through the workbench (1), a first connecting plate (6) is arranged at the top of the central shaft (5), a second connecting plate (7) and a sleeve (9) are arranged in the middle of the central shaft (5), the second connecting plate (7) and the sleeve (9) are connected with the central shaft (5) through bearings, a third connecting plate (8) is arranged at the bottom of the central shaft (5), and connecting grooves (10) are formed in one sides of the first connecting plate (6), the second connecting plate (7) and the third connecting plate (8); the vertical column (11) is arranged on one side of the top end of the workbench (1), a first connecting block (12) is arranged at the top of the vertical column (11), a connecting groove (13) is arranged on one side of the first connecting block (12), a screw hole (14) is arranged at the bottom of the connecting groove (13), a screw is arranged in the screw hole (14), and the first connecting plate (6) is connected with the first connecting block (12) through the screw; the rotary baffle (16) is arranged between the adjustable rotating shaft (4) and the upright post (11), one end of the rotary baffle (16) is provided with a second connecting block (15), the second connecting block (15) is connected with the second connecting plate (7) through a screw, the bottom end of the workbench (1) is provided with a third connecting block (17), and the third connecting block (17) is connected with the third connecting plate through a screw; a first sliding rail (19) is arranged on one side of the rotating baffle (16), a first sliding block (20) is arranged on the first sliding rail (19), a round rod (21) is arranged at the bottom end of the first sliding block (20), a second sliding rail (22) is further arranged at the bottom end of the workbench (1), a second semicircular slot (23) is formed in the middle of the second sliding rail (22), a second sliding block (24) is further arranged on the second sliding rail (22), a round hole (25) is formed in the middle of the second sliding block (24), a first semicircular slot (18) is formed in the middle of the workbench (1), the round rod (21) penetrates through the first semicircular slot (18), the second semicircular slot (23) and the round hole (25), and the round rod (21) is connected with the second sliding block (24) through a bearing; a first motor (26) is arranged on one side of the second sliding block (24), a gear (27) is arranged at the output end of the first motor (26), a gear rail (28) is arranged on one side of the second sliding rail (22), and the gear (27) is meshed with the gear rail (28); the fixed baffle (2) is arranged at one end of the rotary baffle (16), and a steel pipe fixing device (38) is arranged at one end of the fixed baffle (2).
2. Steel pipe bending machine according to claim 1, characterized in that: the steel pipe fixing device (38) comprises a supporting block (29) which is fixed at one end of the fixed baffle (2) and is L-shaped, first slide rail grooves (30) are formed in the inner side of the short edge of the supporting block (29) and one side of the fixed baffle (2), a clamping block (31) is arranged between the short edge of the supporting block (29) and the fixed baffle (2), third slide blocks (32) are arranged on two sides of the clamping block (31), and the third slide blocks (32) are in sliding connection with the first slide rail grooves (30); two motor fixing plates (33) are arranged at the top ends of the long sides of the supporting blocks (29), a second slide rail groove (34) is formed in the inner side of each motor fixing plate (33), a second motor (35) is arranged between the two motor fixing plates (33), fourth sliding blocks (36) are arranged on two sides of each second motor (35), and the fourth sliding blocks (36) are connected with the second slide rail grooves (34) in a sliding mode; the output end of the second motor (35) is provided with a threaded rod (37), the middle of the long edge of the supporting block (29) is provided with a threaded hole matched with the threaded rod (37), and the threaded rod (37) penetrates through the threaded hole and the end part of the threaded rod is connected with the top end of the clamping block (31).
3. Steel pipe bending machine according to claim 1, characterized in that: the first connecting plate (6) and the connecting groove (13) are the same in size.
4. Steel pipe bending machine according to claim 1, characterized in that: the bottom end of the first connecting plate (6) and the top end of the connecting groove (13) are provided with matched anti-slip threads.
5. Steel pipe bending machine according to claim 1, characterized in that: the depth of the semicircular groove (3) is the same as the height of the second connecting block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921400718.4U CN210305200U (en) | 2019-08-27 | 2019-08-27 | Steel pipe bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921400718.4U CN210305200U (en) | 2019-08-27 | 2019-08-27 | Steel pipe bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210305200U true CN210305200U (en) | 2020-04-14 |
Family
ID=70131432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921400718.4U Active CN210305200U (en) | 2019-08-27 | 2019-08-27 | Steel pipe bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210305200U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355243A (en) * | 2019-08-27 | 2019-10-22 | 海盐汇通智能家居股份有限公司 | A kind of steel tube bending machine |
| CN113546999A (en) * | 2021-05-31 | 2021-10-26 | 扬州市扬子钣金制造有限公司 | Bending device for accessories for engineering machinery cab and using method |
-
2019
- 2019-08-27 CN CN201921400718.4U patent/CN210305200U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355243A (en) * | 2019-08-27 | 2019-10-22 | 海盐汇通智能家居股份有限公司 | A kind of steel tube bending machine |
| CN113546999A (en) * | 2021-05-31 | 2021-10-26 | 扬州市扬子钣金制造有限公司 | Bending device for accessories for engineering machinery cab and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210305200U (en) | Steel pipe bending machine | |
| CN106238635B (en) | Pipe external screw thread rolling and processing method, module and equipment and pipe external screw thread production line | |
| US11273483B2 (en) | Threading method, rolling head, apparatus, module and production line for pipe thread, and products thereof | |
| CN108555134B (en) | Cold-formed keel machine for thin-wall light steel processing | |
| CN107985991B (en) | Rotatable workbench for mechanical automation equipment | |
| CN116441394B (en) | Adjustable stamping equipment is used in digit control machine tool processing | |
| CN220005562U (en) | Stamping equipment is used in section bar production | |
| CN2900014Y (en) | Tube mouth reducing device for lathe device | |
| CN203292254U (en) | Pipe bender | |
| CN208099001U (en) | Roll edge fold forming machine structure | |
| CN202239856U (en) | Section bar milling device arranged on lathe | |
| CN113878258B (en) | Multi-branch T-shaped petroleum pipeline multi-station automatic welding device | |
| CN211539058U (en) | Cold heading processing straightening material feeding unit | |
| CN211589205U (en) | Efficient bending scoring machine | |
| CN112338057B (en) | Flange production facility | |
| CN113399522A (en) | Multilateral bender | |
| CN213495823U (en) | Novel pipe fitting clod wash mould | |
| CN201950400U (en) | Automatic profiling welder of circumference of elbow | |
| CN203092146U (en) | Idler wheel support used for turning of drill collar threads | |
| CN217289933U (en) | Avoid effective bender of pipe diameter change | |
| CN202028665U (en) | Automatic slot rolling device of processed pipe fitting | |
| CN215785930U (en) | Horizontal pipe bending device | |
| CN211360105U (en) | Novel metalworking drawbench presss from both sides tightly device | |
| CN105013858A (en) | Steel-plate tube coiling machine | |
| CN216729023U (en) | Guide rail feeding composite type multi-spinning-wheel mechanism for spinning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |