CN111774452A - High-efficient tubular metal resonator bending device - Google Patents
High-efficient tubular metal resonator bending device Download PDFInfo
- Publication number
- CN111774452A CN111774452A CN202010661763.6A CN202010661763A CN111774452A CN 111774452 A CN111774452 A CN 111774452A CN 202010661763 A CN202010661763 A CN 202010661763A CN 111774452 A CN111774452 A CN 111774452A
- Authority
- CN
- China
- Prior art keywords
- plate
- bottom plate
- splint
- clamping
- metal pipe
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a high-efficiency metal pipe bending device which comprises a bottom plate and a top plate, wherein the top plate is arranged above the bottom plate, connecting rods are arranged at four corners of the top of the bottom plate, loop bars are arranged at four corners of the bottom of the top plate, and the loop bars are sleeved outside the corresponding connecting rods; the middle part of the top plate is connected with a first screw rod through a bearing, the top of the top plate is provided with a motor, the output end of the motor is connected with the first screw rod, the middle part of the bottom plate is provided with a fixed thread sleeve, and the first screw rod is in threaded connection with the fixed thread sleeve; the two sides of the bottom end of the top plate are symmetrically provided with lower pressing plates, and the two sides of the top end of the bottom plate are symmetrically provided with clamping devices. According to the invention, through the structure, two metal pipes can be bent at the same time, so that the bending speed of the metal pipes is improved, and the overall production efficiency is improved.
Description
Technical Field
The invention relates to metal tube processing equipment, in particular to a high-efficiency metal tube bending device.
Background
The pipe is a material for manufacturing the pipe fitting, different pipe fittings need different pipe fittings, the quality of the pipe fitting is directly determined by the quality of the pipe fitting, the pipe fitting is a material necessary for building engineering, and a water supply pipe, a water discharge pipe, a gas pipe, a heating pipe, an electric wire conduit, a rainwater pipe and the like are commonly used; with the development of science and technology, the pipes used in home decoration also go through several stages, such as common cast iron pipes, cement pipes, nodular cast iron pipes or galvanized steel pipes, plastic pipes and aluminum-plastic composite pipes, and according to the building requirements, the pipes are usually required to be specially treated, so that the construction and application are more convenient.
However, in the use process of the existing metal pipe bending device, only one metal pipe can be bent at the same time, and a part of the metal pipe bending device is not provided with a clamping device capable of accurately fixing the metal pipe, so that the bending position of the metal pipe is not accurate enough, and the processing quality is affected.
Disclosure of Invention
The invention aims to provide an efficient metal pipe bending device. The bending device can bend two metal pipes simultaneously, and improves the bending speed of the metal pipes, thereby improving the overall production efficiency.
The technical scheme of the invention is as follows: a high-efficiency metal pipe bending device comprises a bottom plate and a top plate, wherein the top plate is arranged above the bottom plate, connecting rods are arranged at four corners of the top of the bottom plate, loop bars are arranged at four corners of the bottom of the top plate, and the loop bars are sleeved outside the corresponding connecting rods; the middle part of the top plate is connected with a first screw rod through a bearing, the top of the top plate is provided with a motor, the output end of the motor is connected with the first screw rod, the middle part of the bottom plate is provided with a fixed thread sleeve, and the first screw rod is in threaded connection with the fixed thread sleeve; the two sides of the bottom end of the top plate are symmetrically provided with lower pressing plates, and the two sides of the top end of the bottom plate are symmetrically provided with clamping devices.
According to the efficient metal pipe bending device, the side of the lower pressing plate is provided with the third clamping groove.
Aforementioned high-efficient tubular metal resonator bending device, clamping device is including being fixed in the anchor clamps seat at bottom plate top, one side of anchor clamps seat is equipped with second screw rod and first splint, one side of first splint is connected with rotatory thread bush through the bearing, the second screw rod alternates first splint and rotatory thread bush fit connection, the opposite side of anchor clamps seat is equipped with horizontal guide arm and second splint, horizontal guide arm alternates the second splint, the both sides of anchor clamps seat all are equipped with the guide arm that resets, the guide arm that resets of both sides alternates first splint and second splint respectively, the outside cover of the guide arm that resets is equipped with first spring, the one end of first spring and the end connection who resets the guide arm, the other end and first splint or the second splint of first spring are connected.
According to the efficient metal pipe bending device, the first clamping groove is formed in the tops of the first clamping plate and the second clamping plate.
In the efficient metal pipe bending device, the clamp seat is U-shaped, the two sides of the clamp seat are provided with the rotating blocks, the middle of the clamp seat is provided with the groove, the groove is internally provided with the lifting plate, the bottom of the lifting plate is provided with the longitudinal guide rod, and the longitudinal guide rod penetrates through the bottom plate; the corresponding position in the bottom plate is provided with a cavity, the middle part of the longitudinal guide rod is provided with a limiting block, the limiting block is arranged in the cavity, a second spring is further arranged in the cavity, and the second spring is sleeved on the longitudinal guide rod.
According to the efficient metal pipe bending device, the rotating block is cylindrical, the rotating block is rotatably connected with the clamp seat through the axis of the rotating block, and the middle of the rotating block is provided with the annular groove.
In the efficient metal pipe bending device, the lower pressing plate is located right above the corresponding groove, and the shape of the lower pressing plate is matched with the groove.
According to the efficient metal pipe bending device, the second clamping groove is formed in the middle of the lifting plate.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention is provided with a bottom plate and a top plate, the top plate is arranged above the bottom plate, connecting rods are arranged at four corners of the top of the bottom plate, loop rods are arranged at four corners of the bottom of the top plate and are sleeved outside the corresponding connecting rods, the middle part of the top plate is connected with a first screw rod through a bearing, a motor is arranged at the top of the top plate, the output end of the motor is connected with the first screw rod, a fixed thread sleeve is arranged at the middle part of the bottom plate, the first screw rod is in threaded connection with the fixed thread sleeve, lower pressing plates are symmetrically arranged at two sides of the bottom end of the top plate, clamping devices are symmetrically arranged at two sides of the top end of the bottom plate, a metal pipe is arranged in the clamping devices to be fixed, the motor is started, the motor, can buckle two tubular metals simultaneously, improve the tubular metal resonator speed of buckling to improve whole production efficiency.
2. The invention is provided with a clamping device, the clamping device comprises a clamp seat fixed on the top of a bottom plate, one side of the clamp seat is provided with a second screw and a first clamping plate, one side of the first clamping plate is connected with a rotary threaded sleeve through a bearing, the second screw penetrates through the first clamping plate and is matched and connected with the rotary threaded sleeve, the other side of the clamp seat is provided with a transverse guide rod and a second clamping plate, the transverse guide rod penetrates through the second clamping plate, two sides of the clamp seat are respectively provided with a reset guide rod, the reset guide rods on the two sides respectively penetrate through the first clamping plate and the second clamping plate, the outer part of the reset guide rod is sleeved with a first spring, one end of the first spring is connected with the end part of the reset guide rod, the other end of the first spring is connected with the first clamping plate or the second clamping plate, the tops of the first clamping plate and the second clamping plate are respectively provided with a first clamping groove, when, one end of the metal pipe is clamped on the first clamping plate through the first clamping groove, then the second clamping plate is shifted outwards, the other end of the metal pipe is clamped on the second clamping plate, the metal pipe is clamped under the resilience effect of the first spring, and the clamping device can accurately adjust the clamping position of the metal pipe, so that the bending position of the metal pipe is controlled, and the processing quality is improved.
3. The metal pipe bending device is provided with the clamp seat, the clamp seat is U-shaped, the two sides of the clamp seat are provided with the rotating blocks, the rotating blocks are cylindrical, the rotating blocks are rotatably connected with the clamp seat through the axes of the rotating blocks, the middle of each rotating block is provided with the annular groove, the middle of the clamp seat is provided with the groove, the rotating blocks are used as bending supporting points when the lower pressing plate is pressed downwards, and the friction force between the metal pipe and the rotating blocks can be reduced and the abrasion degree of the metal pipe can be reduced through the structural arrangement of the rotating blocks.
4. The lifting plate is arranged in the groove, the second clamping groove is formed in the middle of the lifting plate, the longitudinal guide rod is arranged at the bottom of the lifting plate and penetrates through the bottom plate, the cavity is formed in the corresponding position in the bottom plate, the limiting block is arranged in the middle of the longitudinal guide rod and is arranged in the cavity, the second spring is further arranged in the cavity and is sleeved on the longitudinal guide rod, the longitudinal guide rod pushes the lifting plate to be lifted to the highest position under the action of the second spring in a normal state, the second clamping groove can increase the stability of the metal pipe when the metal pipe is clamped, the lifting plate descends along with the downward pressing of the lower pressing plate when the metal pipe is bent, the metal pipe is fixed all the time in the process, the metal pipe is prevented from sliding, and the accuracy of bending of the metal pipe is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the top and bottom plate connection of the present invention;
FIG. 3 is a schematic cross-sectional structure of the present invention;
FIG. 4 is a schematic view of the structure of the clamping device of the present invention;
fig. 5 is a schematic cross-sectional structure of the base plate and the clamping device of the present invention.
The labels in the figures are: 1-bottom plate, 2-top plate, 3-connecting rod, 4-loop bar, 5-motor, 6-first screw, 7-fixed thread sleeve, 8-lower pressing plate, 9-clamping device, 10-clamp seat, 11-second screw, 12-first clamping plate, 13-rotary thread sleeve, 14-transverse guide bar, 15-second clamping plate, 16-reset guide bar, 17-first spring, 18-rotary block, 19-groove, 20-lifting plate, 21-cavity, 22-longitudinal guide bar, 23-limiting block, 24-second spring, 25-first clamping groove, 26-second clamping groove and 27-third clamping groove.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Example (b): a high-efficient tubular metal resonator bending device constitutes as shown in fig. 1-2, and includes bottom plate 1 and roof 2, and roof 2 locates the top of bottom plate 1, and the four corners at bottom of bottom plate 1 is equipped with connecting rod 3, and the four corners of roof 2 bottom is equipped with loop bar 4, and the outside of corresponding connecting rod 3 is located to loop bar 4 cover, and connecting rod 3 can slide from top to bottom along loop bar 4. The middle part of roof 2 is connected with first screw rod 6 through the bearing, and the top of roof 2 is equipped with motor 5, and motor 5's output is connected with first screw rod 6, and the middle part of bottom plate 1 is equipped with fixed thread bush 7, and first screw rod 6 and fixed thread bush 7 threaded connection through the mating reaction of motor 5 with first screw rod 6, steerable bottom plate 1's lift. The bilateral symmetry of roof 2 bottom is equipped with holding down plate 8, the avris of holding down plate 8 is equipped with third draw-in groove 27, and the bilateral symmetry on bottom plate 1 top is equipped with clamping device 9. As shown in fig. 3-4, the clamping device 9 includes a clamp base 10 fixed on the top of the bottom plate 1, one side of the clamp base 10 is provided with a second screw 11 and a first clamp 12, one side of the first clamp 12 is connected with a rotary threaded sleeve 13 through a bearing, the second screw 11 is inserted through the first clamp 12 and is connected with the rotary threaded sleeve 13 in a matching manner, the other side of the clamp base 10 is provided with a transverse guide rod 14 and a second clamp 15, the transverse guide rod 14 is inserted through the second clamp 15, both sides of the clamp base 10 are provided with a reset guide rod 16, the reset guide rods 16 on both sides are respectively inserted through the first clamp 12 and the second clamp 15, the outer portion of the reset guide rod 16 is provided with a first spring 17, one end of the first spring 17 is connected with the end portion of the reset guide rod 16, the other end of the first spring 17 is connected with the first clamp 12 or the second clamp 15, and the clamping position of the. The top of the first clamping plate 12 and the top of the second clamping plate 15 are both provided with a first clamping groove 25, so that metal pipes can be conveniently clamped in a matching manner. The fixture seat 10 is U-shaped, the two sides of the fixture seat 10 are provided with the rotating blocks 18, the rotating blocks 18 are cylindrical, the rotating blocks 18 are rotatably connected with the fixture seat 10 through the axes of the rotating blocks, the friction force of the rotating blocks 18 when the metal pipe is bent is reduced, and the middle of each rotating block 18 is provided with an annular groove which plays a limiting role in limiting the metal pipe. The middle part of the clamp seat 10 is provided with a groove 19, the lower pressing plate 8 is positioned right above the corresponding groove 19, the appearance of the lower pressing plate 8 is matched with the groove 19, and the metal pipe can be bent by matching the lower pressing plate 8 and the groove 19. The lifting plate 20 is arranged in the groove 19, as shown in fig. 5, a longitudinal guide rod 22 is arranged at the bottom of the lifting plate 20, the longitudinal guide rod 22 penetrates through the bottom plate 1, a cavity 21 is arranged at a corresponding position in the bottom plate 1, a limiting block 23 is arranged in the middle of the longitudinal guide rod 22, the limiting block 23 is arranged in the cavity 21, a second spring 24 is further arranged in the cavity 21, the second spring 24 is sleeved on the longitudinal guide rod 22, and the lifting plate 20 can lift under the action of the lower pressing plate 8 under the action of the longitudinal guide rod 22 and the second spring 24. Here, when stopper 23 moved to the top of cavity 21, lifter plate 20 moved to the top of recess 19, when lifter plate 20 moved to the bottommost of recess 19 under the effect of holding down plate 8, stopper 23 had certain clearance with the bottom of cavity 21, avoided second spring 24 to be excessively extruded and influence its elasticity. The middle part of the lifting plate 20 is provided with a second clamping groove 26, so that the metal pipe can be fixed all the time in the bending process of the metal pipe, and the processing precision of the metal pipe is increased.
The working principle is as follows: when the metal pipe clamping device starts to work, the rotary threaded sleeve 13 is rotated, the position of the first clamping plate 12 on the second screw rod 11 is adjusted, one end of the metal pipe is clamped on the first clamping plate 12 through the first clamping groove 25, then the second clamping plate 15 is pulled outwards, the other end of the metal pipe is clamped on the second clamping plate 15, and the metal pipe is clamped under the resilience action of the first spring 17. Subsequently, the motor 5 is started, the motor 5 drives the first screw rod 6 to rotate, the bottom plate 1 ascends along with the first screw rod until the lower pressing plate 8 contacts the metal pipe, the third clamping groove 27 is clamped with the metal pipe, the lower pressing plate 8 continues to press downwards, the metal pipe bends, the lifting plate 20 descends along with the pressing of the lower pressing plate 8, the longitudinal guide rod 22 moves downwards, the limiting block 23 compresses the second spring 24 until the lifting plate 20 moves to the bottommost end of the groove 19, and the metal pipe is bent.
Claims (6)
1. The utility model provides a high-efficient tubular metal resonator bending device which characterized in that: the device comprises a bottom plate (1) and a top plate (2), wherein the top plate (2) is arranged above the bottom plate (1), connecting rods (3) are arranged at four corners of the top of the bottom plate (1), loop bars (4) are arranged at four corners of the bottom of the top plate (2), and the loop bars (4) are sleeved outside the corresponding connecting rods (3); the middle part of the top plate (2) is connected with a first screw (6) through a bearing, the top of the top plate (2) is provided with a motor (5), the output end of the motor (5) is connected with the first screw (6), the middle part of the bottom plate (1) is provided with a fixed thread sleeve (7), and the first screw (6) is in threaded connection with the fixed thread sleeve (7); lower pressing plates (8) are symmetrically arranged on two sides of the bottom end of the top plate (2), clamping devices (9) are symmetrically arranged on two sides of the top end of the bottom plate (1), and the first screw (6) is arranged between the two clamping devices (9); a third clamping groove (27) is formed in the side of the lower pressing plate (8); clamping device (9) is including being fixed in anchor clamps seat (10) at bottom plate (1) top, one side of anchor clamps seat (10) is equipped with second screw rod (11) and first splint (12), one side of first splint (12) is connected with rotatory thread bush (13) through the bearing, second screw rod (11) are passed through first splint (12) and are connected with rotatory thread bush (13) cooperation, the opposite side of anchor clamps seat (10) is equipped with horizontal guide arm (14) and second splint (15), horizontal guide arm (14) are passed through second splint (15), the both sides of anchor clamps seat (10) all are equipped with reset guide arm (16), reset guide arm (16) of both sides are passed through first splint (12) and second splint (15) respectively, the outside cover of reset guide arm (16) is equipped with first spring (17), the one end and the end connection of reset guide arm (16) of first spring (17), the other end and first splint (12) or second splint (15) of first spring (17) are connected.
2. The efficient metal pipe bending device according to claim 1, wherein: the top of the first clamping plate (12) and the top of the second clamping plate (15) are both provided with a first clamping groove (25).
3. The efficient metal pipe bending device according to claim 1, wherein: the clamp seat (10) is U-shaped, the two sides of the clamp seat (10) are provided with rotating blocks (18), the middle of the clamp seat (10) is provided with a groove (19), a lifting plate (20) is arranged in the groove (19), the bottom of the lifting plate (20) is provided with a longitudinal guide rod (22), and the longitudinal guide rod (22) penetrates through the bottom plate (1); the corresponding position in the bottom plate (1) is provided with a cavity (21), the middle part of the longitudinal guide rod (22) is provided with a limiting block (23), the limiting block (23) is arranged in the cavity (21), a second spring (24) is further arranged in the cavity (21), and the longitudinal guide rod (22) is sleeved with the second spring (24).
4. The efficient metal pipe bending apparatus according to claim 3, wherein: the rotary block (18) is cylindrical, the rotary block (18) is rotatably connected with the clamp seat (10) through the axis of the rotary block, and an annular groove is formed in the middle of the rotary block (18).
5. The efficient metal pipe bending apparatus according to claim 3, wherein: the lower pressing plate (8) is positioned right above the corresponding groove (19), and the shape of the lower pressing plate (8) is matched with the groove (19).
6. The efficient metal pipe bending apparatus according to claim 3, wherein: and a second clamping groove (26) is formed in the middle of the lifting plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010661763.6A CN111774452A (en) | 2020-07-10 | 2020-07-10 | High-efficient tubular metal resonator bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010661763.6A CN111774452A (en) | 2020-07-10 | 2020-07-10 | High-efficient tubular metal resonator bending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111774452A true CN111774452A (en) | 2020-10-16 |
Family
ID=72768278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010661763.6A Pending CN111774452A (en) | 2020-07-10 | 2020-07-10 | High-efficient tubular metal resonator bending device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111774452A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732130A (en) * | 2021-09-09 | 2021-12-03 | 兰州工业学院 | Special die for stamping titanium alloy pipe fitting |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208321927U (en) * | 2018-04-03 | 2019-01-04 | 青岛即墨市索具有限公司 | A kind of bending punching machine of positioning stablity |
| CN209174644U (en) * | 2018-11-26 | 2019-07-30 | 惠州市诚业家具有限公司 | Blanking device and metal tube double end bending machine |
| CN111167967A (en) * | 2019-12-27 | 2020-05-19 | 无锡市舒洋模具有限公司 | Car door lock catch steel bar forming die |
| CN111215490A (en) * | 2018-11-26 | 2020-06-02 | 惠州市诚业家具有限公司 | Double-head bending machine for metal pipes |
| CN210907541U (en) * | 2019-10-18 | 2020-07-03 | 苏州迪飞金属制品有限公司 | Metal pipeline processing is with device of buckling |
-
2020
- 2020-07-10 CN CN202010661763.6A patent/CN111774452A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208321927U (en) * | 2018-04-03 | 2019-01-04 | 青岛即墨市索具有限公司 | A kind of bending punching machine of positioning stablity |
| CN209174644U (en) * | 2018-11-26 | 2019-07-30 | 惠州市诚业家具有限公司 | Blanking device and metal tube double end bending machine |
| CN111215490A (en) * | 2018-11-26 | 2020-06-02 | 惠州市诚业家具有限公司 | Double-head bending machine for metal pipes |
| CN210907541U (en) * | 2019-10-18 | 2020-07-03 | 苏州迪飞金属制品有限公司 | Metal pipeline processing is with device of buckling |
| CN111167967A (en) * | 2019-12-27 | 2020-05-19 | 无锡市舒洋模具有限公司 | Car door lock catch steel bar forming die |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732130A (en) * | 2021-09-09 | 2021-12-03 | 兰州工业学院 | Special die for stamping titanium alloy pipe fitting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209502647U (en) | A kind of lengthening workbench of multi-machine interaction numerical-control hydraulic sheet metal tubulation molding machine | |
| CN111774452A (en) | High-efficient tubular metal resonator bending device | |
| CN212703816U (en) | Metal pipe bending device | |
| CN220196001U (en) | Folding copper bar bending machine | |
| CN217596368U (en) | Bending device pipe for water outlet pipe machining | |
| CN208321707U (en) | A kind of automatic pipe reshaping machine structure of metal thin-wall bending machine | |
| CN2049565U (en) | Small bending radius u form pipe bender | |
| CN211740865U (en) | Pipe pressure test board | |
| CN215089931U (en) | Outward appearance piece primary and secondary side bending device | |
| CN201552220U (en) | Deformation-tracking bending die for rectangular thin-wall tube | |
| CN2815543Y (en) | Small bend radius elbow manufacturing device | |
| CN201201005Y (en) | One-shot forming machine of ring shaped winding pipe of instrument | |
| CN217018335U (en) | Reinforcing bar bending device is used in civil engineering construction | |
| CN219130401U (en) | Pipe fitting fixing device for pipe fitting correction | |
| CN218984580U (en) | Elbow clamp tool | |
| CN218532393U (en) | Auxiliary device for bending | |
| CN110681745A (en) | Pipe bending equipment capable of conducting multidirectional bending | |
| CN218437408U (en) | Embedded pipeline positioning fixture with spherical nut | |
| CN219169298U (en) | Multi-head pipe bending machine pipeline clamping mechanism | |
| CN205519309U (en) | Tubular metal resonator anchor clamps of bending | |
| CN219357679U (en) | Bending device is used in processing of fixed effectual steel pipe | |
| CN218873388U (en) | Manual pipe bending device | |
| CN118143148B (en) | Forming tool for thin-wall stainless steel water pipe connecting piece | |
| CN219005279U (en) | Auxiliary fitting and brake system rocker arm machining device | |
| CN220112156U (en) | Pipe bending machine for building engineering construction |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201016 |
|
| RJ01 | Rejection of invention patent application after publication |