CN113714350A - Thin-wall metal pipe processing technology and device - Google Patents
Thin-wall metal pipe processing technology and device Download PDFInfo
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- CN113714350A CN113714350A CN202111251314.5A CN202111251314A CN113714350A CN 113714350 A CN113714350 A CN 113714350A CN 202111251314 A CN202111251314 A CN 202111251314A CN 113714350 A CN113714350 A CN 113714350A
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- 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
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
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Abstract
The invention is suitable for the field of metal tube processing, and provides a thin-wall metal tube processing device, which comprises a processing table, a vertical frame and a bottom plate, and also comprises: the upright post is fixedly arranged on the bottom plate, a plurality of supporting wheels are arranged on the upright post in a sliding and rotating manner, and an adjusting mechanism for driving the supporting wheels to move up and down simultaneously is also arranged on the bottom plate; the U-shaped frame is connected with the upright post through a connecting frame, the U-shaped frame is provided with a bending wheel, and the U-shaped frame is also provided with a first driving mechanism for driving the bending wheel to move along the U-shaped frame; the supporting plate is fixedly arranged on the processing table, a second driving mechanism is further arranged on the supporting plate, the other end of the second driving mechanism is connected with the U-shaped frame, and the second driving mechanism is used for driving the whole formed by the U-shaped frame and the connecting frame to rotate around the stand column. Also discloses a processing technique of the thin-wall metal tube. The invention is convenient for adaptive regulation and control and improves the bending quality and efficiency of the metal pipe.
Description
Technical Field
The invention belongs to the field of metal pipe processing, and particularly relates to a processing technology and a processing device for a thin-wall metal pipe.
Background
When carrying out tubular metal resonator processing, need use bending device, current bending device structure is complicated, is not convenient for carry out the adaptability regulation and control, influences the quality and the efficiency of bending of tubular metal resonator.
Therefore, in view of the above situation, there is an urgent need to develop a thin-wall metal tube processing technology and device to overcome the shortcomings in the current practical application.
Disclosure of Invention
The embodiment of the invention aims to provide a processing treatment process and a processing treatment device for a thin-wall metal pipe, and aims to solve the problems that the existing bending device is complex in structure, inconvenient to adjust and control adaptively and influences the bending quality and efficiency of the metal pipe.
The embodiment of the invention is realized in such a way that the thin-wall metal tube processing device comprises a processing table, a vertical frame and a bottom plate, wherein a plurality of vertical frames are arranged between the processing table and the bottom plate, and the thin-wall metal tube processing device also comprises: the upright post is fixedly arranged on the bottom plate, a plurality of supporting wheels are arranged on the upright post in a sliding and rotating manner, and an adjusting mechanism for driving the supporting wheels to move up and down simultaneously is also arranged on the bottom plate; the U-shaped frame is connected with the upright post through a connecting frame, the U-shaped frame is provided with a bending wheel, and the U-shaped frame is also provided with a first driving mechanism for driving the bending wheel to move along the U-shaped frame; the supporting plate is fixedly arranged on the processing table, a second driving mechanism is further arranged on the supporting plate, the other end of the second driving mechanism is connected with the U-shaped frame, and the second driving mechanism is used for driving the U-shaped frame and the connecting frame to form a whole body to rotate around the stand column.
According to the technical scheme, the supporting wheels are of disc-shaped structures, annular grooves matched with the metal pipes are formed in the outer rings of the supporting wheels, the diameters of the supporting wheels are different, and two adjacent supporting wheels are matched and fixedly connected.
According to a further technical scheme, through holes for allowing the supporting wheels to pass through are further formed in the processing table.
According to a further technical scheme, the adjusting mechanism comprises a rotating body, a sleeve and a third telescopic cylinder, the rotating body is fixedly mounted on the lower side of a supporting wheel at the lowest position, the sleeve is fixedly mounted on the lower portion of the rotating body, the rotating body and the sleeve are connected with the stand column in a sliding and rotating mode, a plurality of third telescopic cylinders are circumferentially distributed and mounted on the outer side of the sleeve, and the lower ends of the third telescopic cylinders are fixed on the bottom plate.
According to the further technical scheme, one end of the connecting frame is rotatably connected with the upright post, and the other end of the connecting frame is fixedly connected with the U-shaped frame; the U-shaped frame is characterized in that two branches of the U-shaped frame are provided with sliding openings, sliding rails are arranged on two sides of each sliding opening, a U-shaped sliding plate matched with the sliding rails is arranged on the U-shaped frame, a bending wheel is installed on the U-shaped sliding plate through a wheel shaft in a rotating mode, the wheel shaft and the stand column are arranged in parallel, the bending wheel is of a disc-shaped structure, an annular groove matched with the metal pipe is formed in the outer ring of the bending wheel, and the first driving mechanism is used for driving the whole formed by the U-shaped sliding plate, the wheel shaft and the bending wheel to move along the sliding rails of the U-shaped frame.
According to a further technical scheme, the first driving mechanism comprises a second telescopic cylinder, the second telescopic cylinder is fixedly installed at one end, far away from the connecting frame, of the U-shaped frame, and a telescopic mandrel of the second telescopic cylinder is fixedly connected with the U-shaped sliding plate.
According to a further technical scheme, the second driving mechanism comprises a first telescopic cylinder, one end of the first telescopic cylinder is hinged with the U-shaped frame, and the other end of the first telescopic cylinder is hinged with the supporting plate.
Further technical scheme, the processing bench still installs the fixed subassembly of pipe that is used for going on fixing to the tubular metal resonator, the fixed subassembly of pipe is including fourth telescoping cylinder, U-shaped seat, top board and lower fagging, the installation of U-shaped seat is fixed in the processing bench, and the processing bench of bottom is fixed with down the fagging in the U-shaped seat, and the upside of fagging is equipped with the top board down, still installs the fourth telescoping cylinder that is used for driving the relative fagging removal of top board down on the U-shaped seat, the face that top board and fagging are relative is the arc indent structure down.
According to the further technical scheme, an L-shaped support plate is further fixedly mounted at the upper end of the upright column, and the lower end of the vertical part of the L-shaped support plate is fixed on the processing table.
Another objective of the embodiments of the present invention is to provide a thin-walled metal tube processing method, which uses the thin-walled metal tube processing apparatus disclosed above for processing, and includes the following steps:
1) fixing a metal pipe to be processed through the pipe fixing assembly, and adjusting the metal pipe to a proper processing position;
2) the position of a bending wheel on a U-shaped frame is adjusted through a first driving mechanism, then a supporting wheel with a proper size is selected through an adjusting mechanism for bending, and the selected supporting wheel and the bending wheel are controlled to horizontally correspond;
3) the whole formed by the U-shaped frame and the connecting frame is controlled to rotate around the upright post through the second driving mechanism, namely, the metal pipe is bent at a specified radian by matching the bending wheel and the supporting wheel.
According to the metal pipe bending machine, the metal pipe can be bent by matching the bending wheels with the supporting wheels, the metal pipe is supported by the supporting wheels, and the whole formed by the U-shaped frame and the connecting frame is driven to rotate around the upright post by the second driving mechanism, so that the metal pipe is bent by the bending wheels, and the metal pipe bending machine is convenient and rapid.
In addition, the plurality of supporting wheels are arranged on the upright post, and the adjusting mechanism can drive the plurality of supporting wheels to move up and down simultaneously, so that the supporting wheels with different sizes can be conveniently selected for bending operation, and the bending radian of the metal pipe can be changed; still can drive the wheel of bending through first actuating mechanism and remove along the U-shaped frame to the position of the relative supporting wheel of bending is changed, and adaptability is adjusted, promotes the quality and the efficiency of bending of tubular metal resonator.
Drawings
FIG. 1 is a schematic top view of a thin-walled metal tube processing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic sectional view of a thin-walled metal tube processing apparatus according to an embodiment of the present invention;
FIG. 3 is a side cross-sectional structural view of a portion of the tube securing assembly of FIG. 1;
FIG. 4 is a schematic front view of the upper press plate and the lower support plate of the tube fixing assembly of FIG. 1;
FIG. 5 is a schematic top perspective view of a U-shaped frame of a thin-walled metal tube processing apparatus according to an embodiment of the present invention;
fig. 6 is a schematic bottom perspective view of a U-shaped frame portion of the thin-walled metal tube processing apparatus according to an embodiment of the present invention.
In the figure: 1-a processing table, 2-a support plate, 3-a first telescopic cylinder, 4-a second telescopic cylinder, 5-a U-shaped frame, 6-a bending wheel, 7-a metal pipe, 8-a through hole, 9-a support wheel, 10-an L-shaped support plate, 11-a pipe fixing component, 12-a vertical frame, 13-a bottom plate, 14-a connecting frame, 15-a rotating body, 16-a sleeve, 17-an upright post, 18-a third telescopic cylinder, 19-a fourth telescopic cylinder, 20-a U-shaped seat, 21-an upper pressing plate, 22-a lower support plate, 23-a U-shaped sliding plate, 24-a wheel shaft, 25-a sliding port and 26-a sliding rail.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1-2, a thin-wall metal pipe processing apparatus provided for an embodiment of the present invention includes a processing table 1, a stand 12, and a bottom plate 13, wherein a plurality of stands 12 are installed between the processing table 1 and the bottom plate 13, and further includes:
the upright post 17 is fixedly arranged on the bottom plate 13, the upright post 17 is provided with a plurality of supporting wheels 9 in a sliding and rotating manner, and the bottom plate 13 is also provided with an adjusting mechanism for driving the supporting wheels 9 to move up and down simultaneously;
the bending device comprises a U-shaped frame 5, wherein the U-shaped frame 5 is connected with an upright post 17 through a connecting frame 14, a bending wheel 6 is arranged on the U-shaped frame 5, and a first driving mechanism for driving the bending wheel 6 to move along the U-shaped frame 5 is further arranged on the U-shaped frame 5;
the supporting plate 2 is fixedly arranged on the processing table 1, a second driving mechanism is further arranged on the supporting plate 2, the other end of the second driving mechanism is connected with the U-shaped frame 5, and the second driving mechanism is used for driving the U-shaped frame 5 and the connecting frame 14 to form a whole to rotate around the upright post 17.
In the embodiment of the invention, the metal pipe 7 can be bent by matching the bending wheel 6 with the supporting wheel 9, the metal pipe 7 is supported by the supporting wheel 9, and the whole formed by the U-shaped frame 5 and the connecting frame 14 is driven to rotate around the upright post 17 by the second driving mechanism, so that the metal pipe 7 is bent by the bending wheel 6 conveniently and quickly. In addition, the supporting wheels 9 are arranged on the upright post 17, and the adjusting mechanism can drive the supporting wheels 9 to move up and down simultaneously, so that the supporting wheels 9 with different sizes can be conveniently selected for bending operation, and the bending radian of the metal pipe 7 can be changed; still can drive through first actuating mechanism and bend wheel 6 and remove along U-shaped frame 5 to change the position of wheel 6 relative supporting wheel 9 of bending, carry out adaptability and adjust, promote the quality and the efficiency of bending of tubular metal resonator 7.
As shown in fig. 1-2, as a preferred embodiment of the present invention, the supporting wheels 9 are all disc-shaped structures, an outer ring of the supporting wheel 9 is provided with an annular groove matched with the metal pipe 7, the diameters of the supporting wheels 9 are different, two adjacent supporting wheels 9 are matched and fixedly connected, and the processing table 1 is further provided with a through hole 8 for the supporting wheels 9 to pass through.
In the embodiment of the invention, the application range of the bending operation on the metal pipe 7 is improved by the limitation of the supporting wheels 9.
As shown in fig. 1-2, as a preferred embodiment of the present invention, the adjusting mechanism includes a rotating body 15, a sleeve 16 and a third telescopic cylinder 18, the rotating body 15 is fixedly installed below one of the lowermost supporting wheels 9, the sleeve 16 is fixedly installed below the rotating body 15, both the rotating body 15 and the sleeve 16 are connected with an upright post 17 in a sliding and rotating manner, a plurality of third telescopic cylinders 18 are circumferentially distributed and installed outside the sleeve 16, and the lower ends of the third telescopic cylinders 18 are fixed on the bottom plate 13.
In the embodiment of the present invention, the rotating body 15 includes an upper portion and a lower portion, the upper portion is rotatably connected to a lowest supporting wheel 9, and the lower portion is fixedly connected to the sleeve 16, so that the supporting wheel 9, the rotating body 15 and the sleeve 16 can be driven by the third telescopic cylinder 18 to move up and down integrally, the supporting wheel 9 and the upper portion of the rotating body 15 can also rotate around the upright post 17, and bending adaptability is improved.
As shown in fig. 1-2 and 5-6, as a preferred embodiment of the present invention, one end of the connecting frame 14 is rotatably connected to the upright post 17, and the other end of the connecting frame 14 is fixedly connected to the U-shaped frame 5; the U-shaped frame is characterized in that two branches of the U-shaped frame 5 are provided with sliding openings 25, sliding rails 26 are arranged on two sides of each sliding opening 25, a U-shaped sliding plate 23 which slides in a matched mode with the corresponding sliding rail 26 is arranged on the U-shaped frame 5, the bending wheel 6 is rotatably installed on the U-shaped sliding plate 23 through a wheel shaft 24, the wheel shaft 24 and the upright post 17 are arranged in parallel, the bending wheel 6 is of a disc-shaped structure, an annular groove matched with the metal pipe 7 is formed in the outer ring of the bending wheel 6, and the first driving mechanism is used for driving the whole formed by the U-shaped sliding plate 23, the wheel shaft 24 and the bending wheel 6 to move along the sliding rails 26 of the U-shaped frame 5.
In the embodiment of the invention, the bending wheel 6 can be stably supported by the arrangement of the slide rail 26, the U-shaped slide plate 23 and the wheel shaft 24, and the first driving mechanism is favorable for stably driving the bending wheel 6 to move.
As shown in fig. 1, as a preferred embodiment of the present invention, the first driving mechanism includes a second telescopic cylinder 4, the second telescopic cylinder 4 is installed and fixed at one end of the U-shaped frame 5 away from the connecting frame 14, and a telescopic mandrel of the second telescopic cylinder 4 is connected and fixed with the U-shaped sliding plate 23; the second driving mechanism comprises a first telescopic cylinder 3, one end of the first telescopic cylinder 3 is hinged with the U-shaped frame 5, and the other end of the first telescopic cylinder 3 is hinged with the supporting plate 2.
In the embodiment of the invention, through the arrangement of the second telescopic cylinder 4 and the first telescopic cylinder 3, the second telescopic cylinder 4 can drive the bending wheel 6 to move along the U-shaped frame 5, and the first telescopic cylinder 3 can drive the whole formed by the U-shaped frame 5 and the connecting frame 14 to rotate around the upright post 17, so that the stability is high.
As shown in fig. 1, 3 and 4, as a preferred embodiment of the present invention, a tube fixing assembly 11 for fixing a metal tube 7 is further installed on the processing table 1, the tube fixing assembly 11 includes a fourth telescopic cylinder 19, a U-shaped seat 20, an upper pressure plate 21 and a lower supporting plate 22, the U-shaped seat 20 is installed and fixed on the processing table 1, the lower supporting plate 22 is fixed on the processing table 1 at the bottom inside the U-shaped seat 20, the upper pressure plate 21 is arranged on the upper side of the lower supporting plate 22, the fourth telescopic cylinder 19 for driving the upper pressure plate 21 to move relative to the lower supporting plate 22 is further installed on the U-shaped seat 20, and the fixing reliability of the metal tube 7 can be improved by arranging the arc-shaped concave structure on the opposite surface of the upper pressure plate 21 and the lower supporting plate 22 as shown in fig. 4; when the fourth telescopic cylinder 19 drives the upper pressure plate 21 to move upwards, the position of the metal pipe 7 can be adjusted, and the operation is convenient and fast.
As shown in fig. 1-2, as a preferred embodiment of the present invention, in order to improve the stability of the upright column 17, an L-shaped support plate 10 is further mounted and fixed on the upper end of the upright column 17, and the lower end of the vertical portion of the L-shaped support plate 10 is fixed on the processing table 1.
As a preferred embodiment of the present invention, the first telescopic cylinder 3, the second telescopic cylinder 4, the third telescopic cylinder 18 and the fourth telescopic cylinder 19 may be controlled by a PLC controller disclosed in the prior art, and specific types and circuit connections of the PLC controller, the first telescopic cylinder 3, the second telescopic cylinder 4, the third telescopic cylinder 18 and the fourth telescopic cylinder 19 are not particularly limited, and may be flexibly set in actual applications.
The circuits, electronic components and modules referred to are well within the art of prior art and, needless to say, the present invention is not directed to software or process improvements.
As shown in fig. 1 to 6, an embodiment of the present invention further provides a thin-wall metal tube processing technology, which performs processing by using the thin-wall metal tube processing device disclosed above, and includes the following steps:
1) fixing the metal pipe 7 to be processed through the pipe fixing assembly 11, and adjusting the metal pipe 7 to a proper processing position;
2) the position of a bending wheel 6 on a U-shaped frame 5 is adjusted through a first driving mechanism, then a supporting wheel 9 with a proper size is selected through an adjusting mechanism for bending, and the selected supporting wheel 9 and the bending wheel 6 are controlled to horizontally correspond;
3) the U-shaped frame 5 and the connecting frame 14 are controlled by the second driving mechanism to rotate around the upright post 17, namely, the metal pipe 7 is bent by a specified radian through the matching of the bending wheel 6 and the supporting wheel 9.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a thin wall tubular metal resonator processing treatment device, includes processing platform, grudging post and bottom plate, install many grudging posts between processing platform and the bottom plate, its characterized in that still includes:
the upright post is fixedly arranged on the bottom plate, a plurality of supporting wheels are arranged on the upright post in a sliding and rotating manner, and an adjusting mechanism for driving the supporting wheels to move up and down simultaneously is also arranged on the bottom plate;
the U-shaped frame is connected with the upright post through a connecting frame, the U-shaped frame is provided with a bending wheel, and the U-shaped frame is also provided with a first driving mechanism for driving the bending wheel to move along the U-shaped frame;
the supporting plate is fixedly arranged on the processing table, a second driving mechanism is further arranged on the supporting plate, the other end of the second driving mechanism is connected with the U-shaped frame, and the second driving mechanism is used for driving the U-shaped frame and the connecting frame to form a whole body to rotate around the stand column.
2. The apparatus according to claim 1, wherein the supporting wheels are disc-shaped, the outer ring of the supporting wheel is provided with an annular groove for fitting with the metal tube, the diameters of the supporting wheels are different, and two adjacent supporting wheels are fixedly connected.
3. The thin-walled metal tube processing device according to claim 2, wherein the processing table is further provided with through holes for passing the plurality of support wheels.
4. The thin-wall metal pipe processing device according to claim 2 or 3, wherein the adjusting mechanism comprises a rotating body, a sleeve and a third telescopic cylinder, the rotating body is fixedly installed on the lower side of the lowest supporting wheel, the sleeve is fixedly installed on the lower portion of the rotating body, the rotating body and the sleeve are both in sliding and rotating connection with the upright column, a plurality of third telescopic cylinders are circumferentially distributed and installed on the outer side of the sleeve, and the lower ends of the third telescopic cylinders are fixed on the bottom plate.
5. The thin-wall metal tube processing device according to claim 1 or 2, wherein one end of the connecting frame is rotatably connected with the upright column, and the other end of the connecting frame is fixedly connected with the U-shaped frame;
the bending wheel is rotatably arranged on the U-shaped sliding plate through a wheel shaft, and the wheel shaft and the upright post are arranged in parallel;
the bending wheel is of a disc-shaped structure, and an annular groove matched with the metal pipe is formed in the outer ring of the bending wheel;
the first driving mechanism is used for driving the whole body formed by the U-shaped sliding plate, the wheel shaft and the bending wheel to move along the sliding rail of the U-shaped frame.
6. The thin-walled metal tube processing apparatus as claimed in claim 5, wherein the first driving mechanism comprises a second telescopic cylinder;
the second telescopic cylinder is fixedly arranged at one end, far away from the connecting frame, of the U-shaped frame, and a telescopic mandrel of the second telescopic cylinder is fixedly connected with the U-shaped sliding plate.
7. The thin-walled metal tube processing apparatus as claimed in claim 6, wherein the second driving mechanism comprises a first telescopic cylinder;
one end of the first telescopic cylinder is hinged with the U-shaped frame, and the other end of the first telescopic cylinder is hinged with the supporting plate.
8. The thin-walled metal tube processing apparatus according to claim 7, wherein a tube fixing member for fixing the metal tube is further installed on the processing table;
the pipe fixing assembly comprises a fourth telescopic cylinder, a U-shaped seat, an upper pressure plate and a lower supporting plate;
the U-shaped seat is fixedly arranged on the processing table, a lower supporting plate is fixed on the processing table at the bottom in the U-shaped seat, an upper pressing plate is arranged on the upper side of the lower supporting plate, and a fourth telescopic cylinder for driving the upper pressing plate to move relative to the lower supporting plate is further arranged on the U-shaped seat;
the opposite surfaces of the upper pressure plate and the lower supporting plate are of arc-shaped concave structures.
9. The thin-walled metal tube processing device according to claim 1 or 2, wherein an L-shaped support plate is further mounted and fixed on the upper end of the upright, and the lower end of the vertical part of the L-shaped support plate is fixed on the processing table.
10. A thin-walled metal tube processing treatment process for processing by using the thin-walled metal tube processing treatment apparatus disclosed in claim 8, comprising the steps of:
1) fixing a metal pipe to be processed through the pipe fixing assembly, and adjusting the metal pipe to a proper processing position;
2) the position of a bending wheel on a U-shaped frame is adjusted through a first driving mechanism, then a supporting wheel with a proper size is selected through an adjusting mechanism for bending, and the selected supporting wheel and the bending wheel are controlled to horizontally correspond;
3) the whole formed by the U-shaped frame and the connecting frame is controlled to rotate around the upright post through the second driving mechanism, namely, the metal pipe is bent at a specified radian by matching the bending wheel and the supporting wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111251314.5A CN113714350A (en) | 2021-10-27 | 2021-10-27 | Thin-wall metal pipe processing technology and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111251314.5A CN113714350A (en) | 2021-10-27 | 2021-10-27 | Thin-wall metal pipe processing technology and device |
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| Publication Number | Publication Date |
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| CN113714350A true CN113714350A (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111251314.5A Pending CN113714350A (en) | 2021-10-27 | 2021-10-27 | Thin-wall metal pipe processing technology and device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2275219A (en) * | 1993-02-20 | 1994-08-24 | Btr Plc | Bending apparatus |
| CN206588187U (en) * | 2017-03-08 | 2017-10-27 | 东莞市嘉鹏金属制品有限公司 | A kind of manual tube bender of adjustable dimension |
| CN207592501U (en) * | 2017-09-28 | 2018-07-10 | 江苏五洲管业有限公司 | A kind of hydraulic pipe bender |
| CN209255548U (en) * | 2018-11-06 | 2019-08-16 | 高邮市康胜机械有限公司 | A kind of electrician's pulley pipe bender convenient for adjusting |
| CN209363353U (en) * | 2018-10-30 | 2019-09-10 | 天津富阳新兴运动器材有限公司 | A kind of semiclosed chain guard automatic bending machine |
| CN110576087A (en) * | 2019-08-31 | 2019-12-17 | 南京视莱尔汽车电子有限公司 | pipe bending machine for machining pipe fittings for automobile production and manufacturing and using method of pipe bending machine |
| CN213826535U (en) * | 2020-12-07 | 2021-07-30 | 天津市亿派家具制造有限公司 | Pipe bending machine for office furniture |
-
2021
- 2021-10-27 CN CN202111251314.5A patent/CN113714350A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2275219A (en) * | 1993-02-20 | 1994-08-24 | Btr Plc | Bending apparatus |
| CN206588187U (en) * | 2017-03-08 | 2017-10-27 | 东莞市嘉鹏金属制品有限公司 | A kind of manual tube bender of adjustable dimension |
| CN207592501U (en) * | 2017-09-28 | 2018-07-10 | 江苏五洲管业有限公司 | A kind of hydraulic pipe bender |
| CN209363353U (en) * | 2018-10-30 | 2019-09-10 | 天津富阳新兴运动器材有限公司 | A kind of semiclosed chain guard automatic bending machine |
| CN209255548U (en) * | 2018-11-06 | 2019-08-16 | 高邮市康胜机械有限公司 | A kind of electrician's pulley pipe bender convenient for adjusting |
| CN110576087A (en) * | 2019-08-31 | 2019-12-17 | 南京视莱尔汽车电子有限公司 | pipe bending machine for machining pipe fittings for automobile production and manufacturing and using method of pipe bending machine |
| CN213826535U (en) * | 2020-12-07 | 2021-07-30 | 天津市亿派家具制造有限公司 | Pipe bending machine for office furniture |
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Application publication date: 20211130 |