CN216175573U - U-shaped metal tube forming device - Google Patents
U-shaped metal tube forming device Download PDFInfo
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- CN216175573U CN216175573U CN202122590633.0U CN202122590633U CN216175573U CN 216175573 U CN216175573 U CN 216175573U CN 202122590633 U CN202122590633 U CN 202122590633U CN 216175573 U CN216175573 U CN 216175573U
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Abstract
The utility model relates to a U-shaped metal tube forming device. The pipe bending device comprises a first pipe bending component and a second pipe bending component which are symmetrically arranged, wherein a pipe clamping component is arranged on the pipe bending component; the device also comprises a distance adjusting component, and a scale is arranged on the distance adjusting component; the first elbow component comprises an elbow mounting plate fixedly connected with the distance adjusting component, a fixed elbow wheel and a swing wheel seat are connected to the elbow mounting plate through mounting bolts, a feeding strip-shaped hole extending along the radial direction of the fixed elbow wheel is formed in the swing wheel seat, an adjusting mandrel penetrates through the feeding strip-shaped hole, and an adjusting nut is screwed on the adjusting mandrel; the adjusting mandrel is connected with a movable pipe bending wheel which is arranged corresponding to the fixed pipe bending wheel; the system also comprises a wheel guide assembly for guiding the movable elbow wheel. The bending device can synchronously bend two ends of the metal pipe, has simple and rapid operation process, high working efficiency and high bending precision, can change the linear distance between the two bent ends according to different production requirements, and has strong universality.
Description
Technical Field
The utility model belongs to the technical field of machining equipment, and particularly relates to a U-shaped metal pipe forming device.
Background
The metal pipes such as steel pipes belong to one of the materials commonly used in the fields of construction, industry and the like, and the steel pipes are often required to be bent into U-shaped structures according to actual use requirements so as to achieve the purpose of reasonable use.
In the actual working process, a large pipe is usually bent into a U-shaped pipe by large hydraulic or pneumatic pipe bending equipment, and for small pipe is bent into a U-shaped pipe, a plurality of factory workshops respectively design some simple and easy manually-operated pipe bending machines, the structures of the manually-operated pipe bending machines are generally consistent, the pipe bending machines mainly comprise fixed wheels and movable wheels (or plates) with variable positions, and the pipe is inserted between the fixed wheels and the movable wheels (or plates); the driving wheel (or the plate) can do circumferential motion around the axis of the fixed wheel, and the end part of the pipe can be bent by the driving wheel (or the plate) doing circumferential motion.
When the manually operated pipe bending machine is used for pipe bending, one end of a pipe is inserted between the fixed wheel and the movable wheel (or the plate), one end of the pipe is bent by the fixed wheel and the movable wheel (or the plate), then the pipe is taken out, and the other end of the pipe is inserted between the fixed wheel and the movable wheel (or the plate) for bending.
SUMMERY OF THE UTILITY MODEL
The utility model provides a U-shaped metal tube forming device which is high in bending precision, simple and fast to operate and high in working efficiency, and aims to solve the technical problems in the prior art.
The technical scheme adopted by the utility model for solving the technical problems in the prior art is as follows: a U-shaped metal pipe forming device comprises a first bent pipe assembly and a second bent pipe assembly which are symmetrically arranged, wherein a pipe clamping assembly for clamping a metal pipe is arranged on the bent pipe assembly; the device also comprises a distance adjusting component used for adjusting the distance between the first elbow pipe component and the second elbow pipe component, and a scale used for displaying the distance between the first elbow pipe component and the second elbow pipe component is arranged on the distance adjusting component; the first elbow component comprises an elbow mounting plate fixedly connected with the distance adjusting component, a fixed elbow wheel and a swing wheel seat are connected to the elbow mounting plate through mounting bolts, a feeding strip-shaped hole extending along the radial direction of the fixed elbow wheel is formed in the swing wheel seat, an adjusting mandrel penetrates through the feeding strip-shaped hole, and an adjusting nut is screwed on the adjusting mandrel; the adjusting mandrel is connected with a movable pipe bending wheel which is arranged corresponding to the fixed pipe bending wheel; the system also comprises a wheel guide assembly for guiding the movable elbow wheel.
The utility model has the advantages and positive effects that: the utility model provides a U-shaped metal pipe forming device, which can bend two ends of a metal pipe simultaneously by arranging a first bent pipe assembly and a second bent pipe assembly, simplifies forming steps and improves production efficiency; the metal pipe can be clamped by arranging the pipe clamping assembly, so that the metal pipe is prevented from deviating during bending forming, and the forming quality is improved; the distance between the two groups of bent pipe assemblies can be adjusted by arranging the distance adjusting assemblies, so that the linear distance between the bending sections of the U-shaped metal pipes is changed, the U-shaped metal pipes with different specifications can be prepared, the universality of the forming device is improved, and the bending precision of the forming device is improved; through setting up the adjustable regulation dabber in position for the radial distance between movable return bend wheel and the fixed return bend wheel can change, need not the staff and carries out the material loading to well, makes things convenient for operating personnel to carry out the material loading operation, has improved work efficiency. The bending device can synchronously bend two ends of the metal pipe, has simple and rapid operation process, high working efficiency and high bending precision, can change the linear distance between the two bent ends according to different production requirements, and has strong universality.
Preferably: the wheel guide assembly comprises a bent pipe wheel guide groove formed in the bent pipe mounting plate, a guide bearing is sleeved on the adjusting mandrel and arranged in the bent pipe wheel guide groove and connected with the bent pipe wheel guide groove in a sliding mode.
Preferably: the pipe bending wheel guide groove comprises a first arc-shaped section, a second arc-shaped section and a straight section, wherein the inner side wall of the first arc-shaped section is tangent to the inner side wall of the second arc-shaped section, the first arc-shaped section uses the axis of the mounting bolt as the circle center, and the straight section is arranged corresponding to the feeding strip-shaped hole.
Preferably: the first elbow assembly and the second elbow assembly are identical in structure.
Preferably: the pipe clamping assembly comprises a pipe clamping bottom plate, an L-shaped pipe clamping top plate is fixedly connected to the top of the pipe clamping bottom plate, a strip-shaped hole is formed in the pipe clamping top plate, a pipe clamping bolt penetrating through the pipe clamping bottom plate penetrates through the strip-shaped hole, and a pipe clamping nut is screwed on the pipe clamping bolt; the tube clamping bottom plate is provided with a tube clamping notch matched with the metal tube.
Preferably: the distance adjusting assembly comprises a distance adjusting base, a left-right screw rod which is transversely arranged is rotatably connected to the distance adjusting base, a first sliding seat and a second sliding seat which are symmetrically arranged are connected to the left-right screw rod through nuts, and a first bent pipe assembly and a second bent pipe assembly are fixedly connected with the first sliding seat and the second sliding seat respectively; the first sliding seat and the second sliding seat are both connected with the distance adjusting guide rail in a sliding manner through a sliding block; the left-right screw rod is driven to rotate by the left-right screw rod.
Preferably: the first bent pipe assembly and the second bent pipe assembly are respectively connected with a first limiting column and a second limiting column which are used for limiting and blocking the bending end of the metal pipe.
Preferably: and a pointer piece pointing to the scale is arranged on the bent pipe component.
Preferably: the swing wheel seat is of a Y-shaped structure, and the bent pipe mounting plate is arranged between two side walls of the swing wheel seat; the outer end part of the swinging wheel seat is provided with a bent pipe handle.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a first elbow assembly of the present invention;
FIG. 3 is a top schematic view of the elbow mounting plate of the present invention;
FIG. 4 is a perspective view of the pitch assembly of the present invention;
fig. 5 is a perspective view of the tube clamping assembly of the present invention.
In the figure: 1. a distance adjusting component; 1-1, adjusting distance base; 1-2, a distance adjusting hand wheel; 1-3, left-right screw rod; 1-4, a first sliding seat; 1-5, a second sliding seat; 1-6, adjusting distance guide rail; 2. a scale; 3. a pointer member; 4. a first elbow assembly; 4-1, bending a pipe mounting plate; 4-2, a pipe bending wheel guide groove; 4-2-1, a first arc segment; 4-2-2, a second arc segment; 4-2-3, a straight section; 4-3, a guide bearing; 4-4, a movable pipe bending wheel; 4-5, fixing a pipe bending wheel; 4-6, mounting bolts; 4-7, feeding strip-shaped holes; 4-8, adjusting the mandrel; 4-9, adjusting nuts; 4-10, a swinging wheel seat; 4-11, bending a pipe handle; 5. a tube clamping assembly; 5-1, clamping a tube bottom plate; 5-2, clamping a pipe notch; 5-3, clamping a pipe top plate; 5-4, clamping a pipe nut; 5-5, clamping a pipe bolt; 6. a first limit post; 7. a metal tube; 8. a second limit post; 9. a second elbow assembly.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail as follows:
referring to fig. 1, the forming apparatus for U-shaped metal tubes of the present invention includes a first tube bending assembly 4 and a second tube bending assembly 9, which are symmetrically disposed, and compared with a manually operated tube bending machine in the prior art, the present embodiment has two tube bending assemblies, which can bend two ends of a tube synchronously, so as to obtain a desired U-shaped tube. In the actual working process, wear to establish metal pipe 7 between first return bend subassembly 4 and second return bend subassembly 9, and first return bend subassembly 4 of manual operation and second return bend subassembly 9 again can carry out synchronous buckling to the both ends of pipe fitting, and then obtain the U type pipe that needs.
In this embodiment, the first elbow assembly 4 and the second elbow assembly 9 are structurally identical. With further reference to FIG. 2, in the present embodiment, the first elbow assembly 4 includes an elbow mounting plate 4-1, and a fixed elbow wheel 4-5 and a swinging wheel seat 4-10 are connected to the elbow mounting plate 4-1 via mounting bolts 4-6; the swing wheel seat 4-10 is of a Y-shaped structure, and the bent pipe mounting plate 4-1 is arranged between two side walls of the swing wheel seat 4-10; the fixed elbow wheel 4-5 is arranged between the top surface of the elbow mounting plate 4-1 and the side wall of the swing wheel seat 4-10, a through hole is arranged at the end part of the side wall of the swing wheel seat 4-10, and a bolt hole arranged corresponding to the through hole is arranged on the elbow mounting plate 4-1; the fixed elbow wheel 4-5 is rotatably connected with the elbow mounting plate 4-1 and the swinging wheel seat 4-10 through the mounting bolt 4-6 penetrating through the through hole and the bolt hole. In order to facilitate the worker to push the swing wheel seat 4-10 to rotate for a certain angle around the axis of the mounting bolt 4-6, the outer end part of the swing wheel seat 4-10 is provided with a bent pipe handle 4-11 which is convenient to operate. In addition, in order to avoid the elbow mounting plate 4-1 from obstructing the rotation of the swing wheel seat 4-10, the outer side surface of the elbow mounting plate 4-1 is provided with a round angle in the embodiment.
As shown in figure 2, a feeding strip-shaped hole 4-7 extending along the radial direction of the fixed pipe bending wheel 4-5 is formed in the swing wheel seat 4-10, and similarly, the feeding strip-shaped hole 4-7 extends along the length direction of the swing wheel seat 4-10. An adjusting mandrel 4-8 penetrates through the feeding strip-shaped hole 4-7, the adjusting mandrel 4-8 can slide along the feeding strip-shaped hole 4-7, an adjusting nut 4-9 is screwed at the upper end part of the adjusting mandrel 4-8, in the embodiment, a butterfly nut is adopted as the adjusting nut 4-9, and a movable pipe bending wheel 4-4 which is arranged corresponding to the fixed pipe bending wheel 4-5 is connected to the adjusting mandrel 4-8. Through the arrangement, the adjusting mandrel 4-8 can freely move in the feeding strip-shaped hole 4-7, so that the movable pipe bending wheel 4-4 can move towards/away from the fixed pipe bending wheel 4-5 within the length range of the feeding strip-shaped hole 4-7, and the position of the movable pipe bending wheel is locked after the movable pipe bending wheel moves.
In prior art manually operated bending machines, the radial distance between the fixed and movable wheels for bending is fixed. The arrangement is inconvenient for feeding operation, and workers can insert the pipe fitting between the fixed wheel and the movable wheel in a centering way only by carefully observing; compared with the prior art, the radial distance between the movable pipe bending wheel 4-4 and the fixed pipe bending wheel 4-5 in the embodiment is variable, and through the arrangement, the pipe fitting can be inserted between the movable pipe bending wheel 4-4 and the fixed pipe bending wheel 4-5 without the need of middle feeding of workers, so that the workers can conveniently perform feeding operation.
In addition, in order to guide the moving track of the movable bending wheel 4-4 and improve the stability of the operation process, the embodiment further comprises a wheel guide assembly for guiding the movable bending wheel 4-4. As shown in fig. 2, in the present embodiment, the wheel guide assembly includes an elbow wheel guide groove 4-2 formed on the elbow mounting plate 4-1, and a guide bearing 4-3 is sleeved on the adjusting spindle 4-8, wherein the guide bearing 4-3 is a rolling bearing, the guide bearing 4-3 is disposed in the elbow wheel guide groove 4-2, and an outer ring thereof is slidably connected to the elbow wheel guide groove 4-2. Referring further to fig. 3, in the present embodiment, the elbow wheel guide groove 4-2 includes a first arc-shaped section 4-2-1, a second arc-shaped section 4-2-2 and a straight section 4-2-3 with inner side walls tangent to each other, and both end portions of the elbow wheel guide groove 4-2 are in a semicircular arc shape adapted to the outer ring of the guide bearing 4-3. In the embodiment, the first arc-shaped section 4-2-1 is bent towards the mounting bolt 4-6, the axis of the mounting bolt 4-6 is taken as the center of a circle, the bending direction of the second arc-shaped section 4-2 is opposite to the mounting bolt 4-6, and when the swinging wheel seat 4-10 is at the initial position, the straight section 4-2-3 and the feeding strip-shaped hole 4-7 are arranged in an up-and-down corresponding manner; additionally, in an embodiment, the angle of the second arcuate segment 4-2-2 is 66 degrees and the angular portion of the first arcuate segment 4-2-1 is less than 66 degrees.
The first elbow pipe component 4 has the following working principle: and loosening the adjusting nut 4-9 to enable the adjusting mandrel 4-8 to freely move in the feeding strip-shaped hole 4-7, manually pulling the elbow pipe handle 4-11 to swing the wheel seat 4-10 to enable the guide bearing 4-3 to move into the straight section 4-2-3 of the elbow pipe wheel guide groove 4-2, further increasing the radial distance between the movable elbow pipe wheel 4-4 and the fixed elbow pipe wheel 4-5, and completing the reset operation of the movable elbow pipe wheel 4-4. Under the condition, a worker can quickly insert the metal pipe 7 between the movable pipe bending wheel 4-4 and the fixed pipe bending wheel 4-5 so as to realize the feeding operation; after the feeding operation is finished, manually pushing the adjusting mandrel 4-8 to the end part of the feeding strip-shaped hole 4-7 towards the mounting bolt 4-6, and then screwing the adjusting nut 4-9 to lock the position of the adjusting mandrel 4-8, so that the movable pipe bending wheel 4-4 is positioned at a station to be bent; at the moment, the outer ring of the guide bearing 4-3 enters the second arc-shaped section 4-2-2 from the straight section 4-2-3 of the pipe bending wheel guide groove 4-2; after the operation is finished, the elbow pipe handle 4-11 needs to be pushed outwards manually, so that the outer ring of the guide bearing 4-3 enters the preset position of the first arc-shaped section 4-2-1 from the second arc-shaped section 4-2-2, and then the bending of one end of the metal pipe 7 can be realized.
In order to improve the bending precision and avoid the metal tube 7 from deviating in the bending process, the present embodiment further includes a tube clamping assembly 5 disposed on the tube bending assembly and used for clamping the metal tube 7. Further referring to fig. 5, in the present embodiment, the pipe clamping assembly 5 includes a pipe clamping bottom plate 5-1, the pipe clamping bottom plate 5-1 is fixedly connected to the pipe bending installation plate through a bolt, and a pipe clamping notch 5-2 adapted to the metal pipe 7 is formed at an end of a top surface of the pipe clamping bottom plate 5-1; the top of the pipe clamping bottom plate 5-1 is fixedly connected with an L-shaped pipe clamping top plate 5-3 through a bolt, the pipe clamping top plate 5-3 has certain elasticity, a strip-shaped hole is formed in the pipe clamping top plate 5-3, a pipe clamping bolt 5-5 penetrating through the pipe clamping bottom plate 5-1 penetrates through the strip-shaped hole, a pipe clamping nut 5-4 is screwed on the upper end of the pipe clamping bolt 5-5, in the embodiment, the pipe clamping nut 5-4 is a butterfly nut, and when the pipe clamping nut 5-4 is screwed downwards, the pipe clamping top plate 5-3 can be pressed downwards, so that a metal pipe 7 placed between the pipe clamping bottom plate 5-1 and the pipe clamping top plate 5-3 is clamped.
In the actual production process, U-shaped metal pipes of different specifications are required, that is, the straight pipe sections of the U-shaped metal pipes are different in length, so that the U-shaped metal pipes of different specifications can be bent in the embodiment in order to improve the universality of the embodiment. As shown in fig. 1, the present embodiment further includes a distance adjusting assembly 1 for adjusting distance, the first elbow assembly 4 and the second elbow assembly 9 are respectively fixedly connected to two moving ends of the distance adjusting assembly 1, and a scale 2 for displaying a distance between the first elbow assembly 4 and the second elbow assembly 9 is disposed on the distance adjusting assembly 1.
Further referring to fig. 4, the distance adjusting assembly 1 includes a distance adjusting base 1-1, a left-right screw 1-3 transversely disposed is rotatably connected to the distance adjusting base 1-1, a first sliding seat 1-4 and a second sliding seat 1-5 symmetrically disposed are connected to the left-right screw 1-3 through nuts, a first elbow assembly 4 and a second elbow assembly 9 are fixedly connected to the first sliding seat 1-4 and the second sliding seat 1-5, respectively, wherein an elbow mounting plate in the elbow assembly is fixedly connected to the sliding seats. The distance adjusting assembly 1 further comprises a distance adjusting guide rail 1-6 which is fixedly connected to the distance adjusting base 1-1 and is arranged in parallel with the left-right screw 1-3, and the first sliding seat 1-4 and the second sliding seat 1-5 are connected with the distance adjusting guide rail 1-6 in a sliding mode through sliding blocks; the left-right rotating lead screw driving device further comprises a distance adjusting hand wheel 1-2 used for driving the left-right rotating lead screw 1-3 to rotate. The scale 2 is connected with the side wall of the distance adjusting base 1-1, a pointer piece 3 used for pointing to the scale 2 is fixedly connected to a bent pipe mounting plate of the bent pipe assembly, and the distance between the two pointer pieces 3 is the length of a straight pipe section in the U-shaped metal pipe.
The left-right screw rod 1-3 can be driven to rotate by manually rotating the distance adjusting hand wheel 1-2, and the rotated left-right screw rod 1-3 can drive two nuts connected thereon to move in an opposite/opposite direction so as to drive the first bent pipe assembly 4 and the second bent pipe assembly 9 to move in an opposite/opposite direction along the distance adjusting guide rail 1-6; through the arrangement, the linear distance between the first elbow component 4 and the second elbow component 9 can be adjusted, and further the universality of the embodiment is improved, so that U-shaped metal pipes with different specifications (different lengths of straight pipe sections) can be bent out in the embodiment.
As shown in fig. 1, in the present embodiment, a first bent pipe assembly 4 and a second bent pipe assembly 9 are respectively connected with a first limiting column 6 and a second limiting column 8 for limiting and blocking the bending end of the metal pipe 7; the bending degree of the bending section of the U-shaped metal pipe can be limited by arranging the limiting column, so that excessive bending is avoided.
The working process is as follows:
(1) manually rotating a distance-adjusting hand wheel 1-2, and adjusting the distance between a first sliding seat 1-4 and a second sliding seat 1-5 to ensure that the distance between two pointer pieces 3 is the length of a straight pipe section of the U-shaped metal pipe;
(2) loosening the adjusting nuts in the first pipe bending assembly 4 and the second pipe bending assembly 9 respectively, and swinging each swinging wheel seat inwards to enable the movable pipe bending wheels in the first pipe bending assembly 4 and the second pipe bending assembly 9 to reset; then, the metal pipe 7 sequentially passes through the first pipe bending component 4, the two groups of pipe clamping components 5 and the second pipe bending component 9, and the metal pipe 7 is clamped by the pipe clamping components 5;
(3) pushing an adjusting mandrel 4-8 in the pipe bending assembly to enable a movable pipe bending wheel 4-4 to enter a station to be bent, and locking the position of the adjusting mandrel 4-8 relative to a feeding strip-shaped hole 4-7 in China;
(4) after the movable pipe bending wheel 4-4 enters a station to be bent, the pipe bending handle is pulled outwards, so that the swing wheel seats of the first pipe bending component 4 and the second pipe bending component 9 swing outwards to preset positions, and then the end parts of the metal pipe 7 are bent;
(5) after the bending operation is finished, the clamping of the straight pipe section of the U-shaped metal pipe by the pipe clamping assembly 5 is released, and the U-shaped metal pipe can be taken down and processed in the subsequent process.
Claims (9)
1. The utility model provides a U type tubular metal resonator forming device which characterized by: the pipe bending device comprises a first pipe bending component (4) and a second pipe bending component (9) which are symmetrically arranged, wherein a pipe clamping component (5) used for clamping a metal pipe (7) is arranged on the pipe bending component; the device is characterized by also comprising a distance adjusting assembly (1) used for adjusting the distance between the first bent pipe assembly (4) and the second bent pipe assembly (9), wherein a scale (2) used for displaying the distance between the first bent pipe assembly (4) and the second bent pipe assembly (9) is arranged on the distance adjusting assembly (1);
the first elbow component (4) comprises an elbow mounting plate (4-1) fixedly connected with the distance adjusting component (1), a fixed elbow wheel (4-5) and a swing wheel seat (4-10) are connected to the elbow mounting plate (4-1) through a mounting bolt (4-6), a feeding strip-shaped hole (4-7) extending along the radial direction of the fixed elbow wheel (4-5) is formed in the swing wheel seat (4-10), an adjusting mandrel (4-8) penetrates through the feeding strip-shaped hole (4-7), and an adjusting nut (4-9) is screwed on the adjusting mandrel (4-8); a movable pipe bending wheel (4-4) which is arranged corresponding to the fixed pipe bending wheel (4-5) is connected to the adjusting mandrel (4-8); also comprises a wheel guide assembly for guiding the movable elbow wheel (4-4).
2. The U-shaped metal tube forming apparatus as claimed in claim 1, wherein: the wheel guide assembly comprises a bent pipe wheel guide groove (4-2) formed in a bent pipe mounting plate (4-1), a guide bearing (4-3) is sleeved on an adjusting mandrel (4-8), and the guide bearing (4-3) is arranged in the bent pipe wheel guide groove (4-2) and is in sliding connection with the bent pipe wheel guide groove.
3. The U-shaped metal tube forming apparatus as claimed in claim 2, wherein: the pipe bending wheel guide groove (4-2) comprises a first arc-shaped section (4-2-1), a second arc-shaped section (4-2-2) and a straight section (4-2-3), wherein the inner side walls of the first arc-shaped section (4-2-1) and the second arc-shaped section are tangent, the axis of the mounting bolt (4-6) is used as the circle center of the first arc-shaped section (4-2-1), and the straight section (4-2-3) and the feeding strip-shaped hole (4-7) are correspondingly arranged.
4. The U-shaped metal pipe forming apparatus as claimed in any one of claims 1 to 3, wherein: the first elbow component (4) and the second elbow component (9) are consistent in structure.
5. The U-shaped metal tube forming apparatus as claimed in claim 1, wherein: the pipe clamping assembly (5) comprises a pipe clamping bottom plate (5-1), an L-shaped pipe clamping top plate (5-3) is fixedly connected to the top of the pipe clamping bottom plate (5-1), a strip-shaped hole is formed in the pipe clamping top plate (5-3), a pipe clamping bolt (5-5) penetrating through the pipe clamping bottom plate (5-1) penetrates through the strip-shaped hole, and a pipe clamping nut (5-4) is screwed on the pipe clamping bolt (5-5); a pipe clamping notch (5-2) matched with the metal pipe (7) is arranged on the pipe clamping bottom plate (5-1).
6. The U-shaped metal tube forming apparatus as claimed in claim 1, wherein: the distance adjusting assembly (1) comprises a distance adjusting base (1-1), a left-right rotating lead screw (1-3) transversely arranged is rotatably connected to the distance adjusting base (1-1), a first sliding seat (1-4) and a second sliding seat (1-5) which are symmetrically arranged are connected to the left-right rotating lead screw (1-3) through nuts, and a first bent pipe assembly (4) and a second bent pipe assembly (9) are fixedly connected with the first sliding seat (1-4) and the second sliding seat (1-5) respectively; the device also comprises a distance adjusting guide rail (1-6) which is fixedly connected to the distance adjusting base (1-1) and arranged in parallel with the left-right screw rod (1-3), and the first sliding seat (1-4) and the second sliding seat (1-5) are in sliding connection with the distance adjusting guide rail (1-6) through sliding blocks; the left-right screw rod mechanism further comprises a distance adjusting hand wheel (1-2) used for driving the left-right screw rod (1-3) to rotate.
7. The U-shaped metal tube forming apparatus as claimed in claim 1, wherein: the first bent pipe assembly (4) and the second bent pipe assembly (9) are respectively connected with a first limiting column (6) and a second limiting column (8) which are used for limiting and blocking the bending end of the metal pipe (7).
8. The U-shaped metal tube forming apparatus as claimed in claim 1, wherein: and a pointer piece (3) pointing to the scale (2) is arranged on the elbow component.
9. The U-shaped metal tube forming apparatus as claimed in claim 4, wherein: the swing wheel seat (4-10) is of a Y-shaped structure, and the bent pipe mounting plate (4-1) is arranged between two side walls of the swing wheel seat (4-10); the outer end part of the swinging wheel seat (4-10) is provided with a bent pipe handle (4-11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122590633.0U CN216175573U (en) | 2021-10-26 | 2021-10-26 | U-shaped metal tube forming device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122590633.0U CN216175573U (en) | 2021-10-26 | 2021-10-26 | U-shaped metal tube forming device |
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| CN216175573U true CN216175573U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122590633.0U Active CN216175573U (en) | 2021-10-26 | 2021-10-26 | U-shaped metal tube forming device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115673053A (en) * | 2022-11-01 | 2023-02-03 | 广州华茂机械模具有限公司 | Portable three-dimensional manual pipe bender |
-
2021
- 2021-10-26 CN CN202122590633.0U patent/CN216175573U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115673053A (en) * | 2022-11-01 | 2023-02-03 | 广州华茂机械模具有限公司 | Portable three-dimensional manual pipe bender |
| CN115673053B (en) * | 2022-11-01 | 2023-04-28 | 广州华茂机械模具有限公司 | Portable three-dimensional manual pipe bending machine |
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