CN219425339U - Pipe bending tool - Google Patents
Pipe bending tool Download PDFInfo
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- CN219425339U CN219425339U CN202223127014.9U CN202223127014U CN219425339U CN 219425339 U CN219425339 U CN 219425339U CN 202223127014 U CN202223127014 U CN 202223127014U CN 219425339 U CN219425339 U CN 219425339U
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- pressing plate
- tube
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Abstract
The utility model discloses a pipe bending tool, which comprises a pipe bending plate and a pipe pressing plate which are oppositely arranged; one side of the tube bending plate facing the tube pressing plate is provided with a wheel-shaped tube bending plate and a tube bending positioning rod with an adjustable position; a tube pressing plate positioning rod and a wheel-shaped tube pressing plate are arranged on one side of the tube pressing plate, which faces the bent tube plate; the pipe bending plate is provided with a pipe bending plate fixing rod, the pipe bending plate fixing rod is a hollow pipe, and the center of the wheel-shaped pipe bending plate is provided with a through hole for the pipe bending plate fixing rod to pass through. The utility model provides a novel instrument stainless steel pipe bending tool, which can simultaneously meet the cold bending requirements of stainless steel pipes with various specifications, can meet the cold bending requirements of the stainless steel pipes with various specifications and dimensions by simply replacing a plurality of parts, is convenient to apply and saves materials and manpower.
Description
Technical Field
The utility model relates to the field of pipeline construction of automatic control systems and the like, in particular to a tool capable of simultaneously performing cold bending on a plurality of specifications of stainless steel pipelines.
Background
In modern automatic control systems such as wind, oil and water, various stainless steel pipelines are used in large quantities as media for transportation. In order to meet the control requirement, the stainless steel pipeline is often required to be bent, or is connected by adopting connectors such as a clamping sleeve. The cutting ferrule is adopted to connect a plurality of sealing points, the cost is high, and leakage is not economical and easy to occur, so that the method for cold bending the stainless steel pipeline is generally adopted in industry.
At present, cold bending of the stainless steel pipe is generally carried out by adopting special pipe bending equipment or tools, but common pipe bending equipment (such as a hydraulic pipe bender) is very heavy and inconvenient to use on site; common cold bending tools such as handheld pipe bending devices often lead to the fact that a type of pipe bending device can only cold bend stainless steel pipes with one specification, for example, the pipe bending device needs to carry multiple pipe bending devices when cold bending of pipes with different specifications and sizes is needed on an operation site, and therefore operation is inconvenient, cost is high, and efficiency is low.
The utility model comprises the following steps:
in order to overcome the defects of the background technology, the utility model provides the novel instrument stainless steel pipe bending tool, which can simultaneously meet the requirements of cold bending of stainless steel pipes with various specifications, can meet the requirements of cold bending of the stainless steel pipes with various specifications and dimensions by simply replacing a plurality of parts, is convenient to use, and saves materials and manpower.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a tool for bending pipe comprises a pipe bending plate and a pipe pressing plate which are oppositely arranged; one side of the tube bending plate facing the tube pressing plate is provided with a wheel-shaped tube bending plate and a tube bending positioning rod with an adjustable position; a tube pressing plate positioning rod and a wheel-shaped tube pressing plate are arranged on one side of the tube pressing plate, which faces the bent tube plate; the pipe bending plate is provided with a pipe bending plate fixing rod, the pipe bending plate fixing rod is a hollow pipe, and the center of the wheel-shaped pipe bending plate is provided with a through hole for the pipe bending plate fixing rod to pass through.
Preferably, the outer peripheral surface of the wheel-shaped elbow plate is provided with an arc-shaped die groove.
Preferably, the two ends of the fixing rod of the elbow plate are provided with external threads, one end of the fixing rod passes through the through hole on the elbow plate and is fastened and connected through the fastening nut, and the other end of the fixing rod passes through the wheel-shaped elbow plate and is fastened and connected through the fastening nut;
preferably, the distance between the external threads on two sides of the pipe bending plate fixing rod and the edge of one side of the pipe bending plate fixing rod, which is close to the center of the pipe bending plate fixing rod, is larger than the sum of the thicknesses of the pipe bending plate and the wheel-shaped pipe bending plate.
Preferably, the device further comprises an elbow positioning rod, and an elbow positioning rod adjusting groove for enabling the elbow positioning rod to slide is formed in the elbow plate.
Preferably, one end of the tube pressing plate positioning rod provided with external threads passes through the through hole on the tube pressing plate and then is connected with the tube pressing plate by a fastening nut; the diameter of the tube pressing plate positioning rod is smaller than that of the hollow part of the tube bending plate fixing rod, and the tube pressing plate positioning rod can be inserted into the hollow part of the tube bending plate fixing rod.
Preferably, the pipe pressing plate further comprises a pipe pressing plate fixing rod, the pipe pressing plate is provided with a rectangular pipe pressing plate fixing rod adjusting groove, one end of the pipe pressing plate fixing rod passes through the pipe pressing plate fixing rod adjusting groove and then is connected through a fastening nut, and the other end of the pipe pressing plate fixing rod passes through a central hole of the wheel-shaped pipe pressing plate.
Preferably, the distance between the external threads on two sides of the pipe pressing plate fixing rod and the edge of one side of the pipe pressing plate fixing rod is larger than the sum of the thicknesses of the pipe pressing plate and the wheel-shaped pipe pressing plate.
Preferably, the bending device comprises a plurality of wheel-shaped bending plates for replacement, wherein the bending radius of an arc-shaped die groove of each wheel-shaped bending plate is different, and the diameter of the through hole of each wheel-shaped bending plate is the same.
Preferably, the device further comprises an extension handle detachably connected with the tube pressing plate.
The utility model has the beneficial effects that: the utility model comprises a replaceable wheel-shaped bent pipe disc and a position-adjustable bent pipe positioning rod; the tube pressing plate comprises a handle positioning rod and a replaceable and position-adjustable wheel-shaped tube pressing plate.
Firstly, selecting and installing a corresponding wheel-shaped bent pipe disc on a bent pipe plate according to the outer diameter of a stainless steel pipe which is required to be subjected to cold bending, and adjusting the relative position of a bent pipe positioning rod, so that the stainless steel pipe can be conveniently fixed between the wheel-shaped bent pipe disc and the bent pipe positioning rod.
Secondly, a wheel-shaped tube pressing plate corresponding to the outer diameter of the stainless steel tube to be cold-bent is also selected and installed on the tube pressing plate, after the wheel-shaped tube pressing plate is adjusted to a proper position, a tube pressing plate positioning rod on the tube pressing plate is inserted into the bent tube plate positioning rod, so that the bent stainless steel tube is positioned between the bent tube positioning rod, the wheel-shaped bent tube plate and the wheel-shaped tube pressing plate, the tube pressing plate is pushed to rotate by taking the tube pressing plate positioning rod as an axis, and the bent stainless steel tube is bent to a required angle.
Drawings
Figure 1 is a schematic diagram of the main structure of an embodiment of the present utility model,
figure 2 is a schematic view of the structure of a wheel-shaped elbow plate according to the embodiment of the utility model,
figure 3 is a schematic view of the combination structure of the bending plate and the fixing rod of the bending plate according to the embodiment of the utility model,
figure 4 is a schematic diagram of the front structure of the bent pipe locating rod according to the embodiment of the utility model,
figure 5 is a schematic side view of a bent pipe locating rod according to an embodiment of the utility model,
FIG. 6 is a schematic cross-sectional view of a lower threaded section of an elbow locating lever according to an embodiment of the present utility model;
figure 7 is a schematic side view of a wheel-shaped elbow tray, an adjustable elbow positioning rod and an adjusting groove according to an embodiment of the utility model,
figure 8 is a top view of a wheel-shaped elbow tray, an adjustable elbow positioning rod and an adjusting groove according to an embodiment of the utility model,
figure 9 is a schematic diagram of a tube pressing plate positioning rod and a tube bending plate fixing rod combination according to an embodiment of the utility model,
figure 10 is a schematic view of a replaceable wheel-shaped pipe pressing disc structure according to an embodiment of the utility model,
figure 11 is a schematic side view of a replaceable wheel-shaped tube pressing plate and tube pressing plate according to an embodiment of the utility model,
figure 12 is a top view of a replaceable wheel-like tube platen and tube platen according to an embodiment of the present utility model,
figure 13 is a schematic view of the overall structure and working state of the bend plate and tube pressing plate according to the embodiment of the present utility model,
FIG. 14 is a schematic diagram showing the overall structure and the working state of the elbow plate and the tube pressing plate according to the embodiment of the utility model.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
As shown in fig. 1, the novel instrument stainless steel tube bending tool according to the embodiment comprises two independent units, namely a tube bending plate 1 and a tube pressing plate 5. The tube bending plate 1 is designed with a replaceable wheel-shaped tube bending plate 2 and a position-adjustable tube bending positioning rod 3, and the other side of the tube bending plate 1 is welded with a tube bending plate fixing rod 4 for fixing and using a tube bending tool on site. The tube pressing plate 5 comprises a tube pressing plate positioning rod 6 and a replaceable and position-adjustable wheel-shaped tube pressing plate 7, and a detachable extension handle 8 is further designed on the tube pressing plate 5 for saving labor.
In order to meet the pipe bending requirements of pipes with different diameters, the pipe bending tool is provided with corresponding special wheel-shaped pipe bending disks 2 aiming at the pipe types with different diameters, as shown in fig. 2, the edge of each wheel-shaped pipe bending disk 2 is provided with an arc-shaped die groove 9 corresponding to the pipe types with different diameters, and meanwhile, the center of each wheel-shaped pipe bending disk 2 is provided with a through hole 10 with the same size, and the diameter of each through hole is R1. In order to ensure the quality of the bent pipe, the extension bending radius suggestion of the wheel-shaped bent pipe disc 2 meets the requirement that R1 is more than or equal to four times of R2, R1 is the extension bending radius, and R2 is the nominal diameter of the bent pipe.
As shown in fig. 3, the fixing rod 12 of the elbow tray of the present embodiment is a hollow tube, and has an outer diameter R3 and a hollow diameter R4. The embodiment R3 is slightly smaller than R1 to facilitate removal and replacement of the wheel disc 2 from disc holder 12. The pipe bending plate fixing rod 12 adopts a double-head external thread design, the installation external thread at one end of the pipe bending plate fixing rod passes through the pipe bending plate 1 and then is tightly connected with the pipe bending plate fixing rod 12 by adopting the fastening nut 16, the installation external thread at the other end is long enough to sleeve the wheel-shaped pipe bending plate 2 on the pipe bending plate fixing rod 12, and the residual height L1 after the fastening nut 16 is locked is slightly longer than the thickness L2 of the wheel-shaped pipe bending plate 2, so that the wheel-shaped pipe bending plate 2 can freely rotate by taking the pipe bending plate fixing rod 12 as an axle center after the fastening nut 16 is installed.
The bent pipe locating rod 3 is designed on the bent pipe plate 1, as shown in fig. 4-6, the upper part of the bent pipe locating rod 3 is a metal solid cylinder, the lower part is provided with an external thread section, two opposite sides of the thread section are circular arcs, the other two opposite sides are arranged in parallel, the radial section width is L7, the longest radial section length is equal to the diameter R5 of the bent pipe locating rod, and the single-head external thread length L3 is required to be installed with a fastening gasket 15 and a fastening nut 16 after passing through the bent pipe locating rod adjusting groove 13.
The bent pipe plate 1 is provided with a bent pipe positioning rod adjusting groove 13, as shown in figures 7-8. The bent pipe positioning rod adjusting groove 13 is positioned on the axial center extension line of the bent pipe disc fixing rod 12, and the width L5 of the bent pipe positioning rod adjusting groove 13 is slightly larger than the radial section width L7 of the external thread section of the bent pipe positioning rod 3, so that the bent pipe positioning rod 3 can conveniently move in the bent pipe positioning rod adjusting groove 13, and the requirement of matching with wheel-shaped bent pipe discs 2 with different sizes for bending pipes can be met.
As shown in fig. 9, a tube pressing plate positioning rod 6 is designed on one side of the tube pressing plate 5, and is a single-thread metal solid cylinder, and a thread end penetrates through the tube pressing plate 5 and is fixed with the tube pressing plate 5 into a whole by a fastening nut 16. The diameter of the tube pressing plate positioning rod 6 is R6, and R6 is slightly smaller than the hollow diameter R4 of the tube bending plate fixing rod 12, so that the tube pressing plate positioning rod 6 can be conveniently inserted into the tube bending plate fixing rod 12.
As shown in fig. 10, a replaceable wheel-shaped pipe pressing disc 7 is designed, and the diameters of different wheel-shaped pipe pressing discs 7 are identical, wherein the edge of each wheel-shaped pipe pressing disc 7 is provided with an arc-shaped die groove 9 corresponding to the pipe type with different diameter, and meanwhile, the center of each different wheel-shaped pipe pressing disc 7 is provided with a through hole 10 with the same size, and the diameter of the through hole is R7.
As shown in fig. 11, the tube pressing plate 5 is designed with a tube pressing plate fixing rod 20, the tube pressing plate fixing rod 20 is designed with double-head external threads, one end of the tube pressing plate fixing rod 20 is provided with external threads which pass through the tube pressing plate 5 and then are tightly connected by adopting a fastening nut 16, and the other end of the tube pressing plate fixing rod is provided with external threads with the length of the external threads so as to cover the tube pressing plate 7 on the tube pressing plate fixing rod 20, and the height L8 of the tube pressing plate 7 after the fastening nut 16 is locked is slightly longer than the thickness L4 of the tube pressing plate 7, so that the tube pressing plate 7 can freely rotate by taking the tube pressing plate fixing rod 20 as an axle center after the fastening nut 16 is installed.
As shown in fig. 12, a rectangular tube pressing plate fixing rod adjusting groove 21 is also designed on the tube pressing plate 5, the tube pressing plate fixing rod adjusting groove 21 is positioned on the axial center extension line of the tube pressing plate positioning rod 6, the width L6 of the tube pressing plate fixing rod adjusting groove 21 is slightly larger than the outer diameter R8 of the tube pressing plate fixing rod 20, and the length of the tube pressing plate fixing rod adjusting groove 21 is so as to meet the requirement of moving the tube pressing plate fixing rod 20 and the wheel-shaped tube pressing plate 7 fixed on the tube pressing plate fixing rod in the groove to match with the wheel-shaped tube pressing plate 2 with different sizes for bending.
Before the use, according to the external diameter of the stainless steel pipe which is required to be cold-bent, a wheel-shaped pipe bending plate 2 with a corresponding arc-shaped mould groove 9 at the fixed edge is selectively arranged on the pipe bending plate 1, and after the fixing, the relative position of the pipe bending positioning rod 3 is adjusted along the pipe bending positioning rod adjusting groove 13, so that the stainless steel pipe can be conveniently fixed between the wheel-shaped pipe bending plate 2 and the pipe bending positioning rod 3.
The wheel-shaped tube pressing plate 7 with the same arc-shaped die groove 9 corresponding to the outer diameter of the stainless steel tube to be cold-bent is also selected on the tube pressing plate 5, and the wheel-shaped tube pressing plate 7 is adjusted along the tube pressing plate fixing rod adjusting groove 21, so that when the wheel-shaped tube pressing plate 7 and the wheel-shaped tube pressing plate 2 rotate to the same axis, the gap between the arc-shaped die grooves 9 on the wheel-shaped tube pressing plate 7 and the wheel-shaped tube pressing plate 2 is the same as the outer diameter of the stainless steel tube. When the stainless steel pipe bending machine is used, the bent pipe plate 1 can be fixed on a construction site by using the cross steel pipe fastener on the bent pipe plate fixing rod 4, the pipe pressing plate locating rod 6 on the pipe pressing plate 5 is inserted into the bent pipe plate fixing rod 12, so that a bent stainless steel pipe is positioned between the bent pipe locating rod 3, the wheel-shaped bent pipe plate 2 and the wheel-shaped pipe pressing plate 7, the pipe pressing plate 5 is pushed to rotate by taking the pipe pressing plate locating rod 6 as an axis, and the stainless steel pipe is bent to a required angle.
The embodiment is provided with the wheel-shaped bent pipe disc 2 and the wheel-shaped pipe pressing disc 7 which are provided with different specification sizes and have different arc-shaped section grooves 9 and correspond to the outer diameter of the stainless steel pipe which is required to be subjected to cold bending, and can be suitable for places where the stainless steel pipe with the different specification sizes is required to be subjected to cold bending;
the bent pipe plate 1 is provided with the bent pipe plate fixing rod 4, so that the bent pipe plate 1 is conveniently fixed on a construction site;
the bent pipe positioning rod adjusting groove 13 and the pipe pressing disc fixing rod adjusting groove 21 are respectively designed on the bent pipe plate 1 and the pipe pressing plate 5, so that the bent pipe positioning rod 3 and the wheel-shaped pipe pressing disc 7 can be conveniently adjusted to meet the requirements of cold bending stainless steel pipes with different specifications and sizes;
the pipe bending plate fixing rod 12 is designed into a hollow pipe type, the diameter R6 of the pipe pressing plate locating rod 6 is slightly smaller than the hollow diameter R4 of the pipe bending plate fixing rod 12, so that the pipe pressing plate locating rod 6 can be conveniently inserted into the pipe bending plate fixing rod 12 and rotate by taking the pipe bending plate fixing rod 12 as the circle center, and the pipe bending is completed;
the single-head external thread of the bent pipe positioning rod 3 is designed into a rectangle, so that the bent pipe can conveniently move in the bent pipe positioning rod adjusting groove 13 according to the bent pipe needs of stainless steel pipes with different specifications and sizes, and can be tightly fixed with the bent pipe plate 1 through the locking and fastening nut 16;
the detachable extension handle 8 is also designed on the tube pressing plate 5 to realize time and force saving.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (10)
1. A pipe bending tool, characterized in that: comprises a bent tube plate (1) and a tube pressing plate (5) which are arranged oppositely; one side of the elbow plate (1) facing the tube pressing plate (5) is provided with a wheel-shaped elbow plate (2) and an elbow positioning rod (3) with an adjustable position; a tube pressing plate positioning rod (6) and a wheel-shaped tube pressing plate (7) are arranged on one side of the tube pressing plate (5) facing the bent tube plate (1); the pipe bending plate is provided with a pipe bending plate fixing rod (12), the pipe bending plate fixing rod (12) is a hollow pipe, and a through hole (10) for the pipe bending plate fixing rod (12) to penetrate is formed in the center of the wheel-shaped pipe bending plate (2).
2. A tool for bending tubing as defined in claim 1, wherein: the outer peripheral surface of the wheel-shaped bent pipe disc (2) is provided with an arc-shaped die groove (9).
3. A tool for bending tubing as defined in claim 2, wherein: external threads are arranged at two ends of the elbow plate fixing rod (12), one end of the elbow plate fixing rod penetrates through the through hole in the elbow plate (1) and is in fastening connection through the fastening nut (16), and the other end of the elbow plate fixing rod penetrates through the wheel-shaped elbow plate (2) and is in fastening connection through the fastening nut (16).
4. A tool for pipe bending according to claim 3, wherein: the distance between the external threads on the two sides of the pipe bending plate fixing rod (12) and the edges of the two sides, which are close to the center side of the pipe bending plate fixing rod (12), is larger than the sum of the thicknesses of the pipe bending plate (1) and the wheel-shaped pipe bending plate (2).
5. A tool for bending tubing as defined in claim 4, wherein: the pipe bending device further comprises a pipe bending positioning rod (3), and a pipe bending positioning rod adjusting groove (13) for enabling the pipe bending positioning rod (3) to slide is formed in the pipe bending plate (1).
6. A tool for bending tubing as defined in claim 5, wherein: one end of the tube pressing plate positioning rod (6) provided with external threads penetrates through the through hole in the tube pressing plate (5) and then is connected with the tube pressing plate (5) through a fastening nut (16); the diameter of the tube pressing plate positioning rod (6) is smaller than that of the hollow part of the tube bending plate fixing rod (12), and the tube pressing plate positioning rod (6) can be inserted into the hollow part of the tube bending plate fixing rod (12).
7. A tool for bending tubing as defined in claim 6, wherein: still include and press pipe dish dead lever (20), be equipped with rectangle pressure pipe dish dead lever adjustment groove (21) on pressing pipe board (5), the installation of pressing the one end of pipe dish dead lever (20) is passed behind pipe dish dead lever adjustment groove (21) through fastening nut (16) connection, the other end of pressing pipe dish dead lever (20) is passed the centre bore of wheel pressure pipe dish (7).
8. A tool for bending tubing as defined in claim 7, wherein: the distance between the external threads on the two sides of the pipe pressing plate fixing rod (20) and the edges of the pipe pressing plate fixing rod (20) on one side close to the center is larger than the sum of the thicknesses of the pipe pressing plate (5) and the wheel-shaped pipe pressing plate (7).
9. A tool for bending tubing as defined in claim 2, wherein: the device comprises a plurality of wheel-shaped bending plates (2) for replacement, wherein the bending radiuses of arc-shaped mould grooves (9) of the wheel-shaped bending plates (2) are different, and the diameters of through holes (10) of the wheel-shaped bending plates (2) are the same.
10. A tool for bending tubing as defined in claim 1, wherein: the device also comprises an extension handle (8) which is detachably connected with the tube pressing plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223127014.9U CN219425339U (en) | 2022-11-24 | 2022-11-24 | Pipe bending tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223127014.9U CN219425339U (en) | 2022-11-24 | 2022-11-24 | Pipe bending tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219425339U true CN219425339U (en) | 2023-07-28 |
Family
ID=87332809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223127014.9U Active CN219425339U (en) | 2022-11-24 | 2022-11-24 | Pipe bending tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219425339U (en) |
-
2022
- 2022-11-24 CN CN202223127014.9U patent/CN219425339U/en active Active
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