Bending device for high-strength corrosion-resistant stainless steel pipe

Abstract

The utility model belongs to the technical field of stainless steel pipe machining, and particularly discloses a bending device for a high-strength corrosion-resistant stainless steel pipe, a lifting type bending structure is arranged on the outer side of the corrosion-resistant stainless steel pipe, a threaded rod A is located in the middle of a machining base and integrally fixed with the machining base, and a threaded hole is formed in the bottom of a positioning roller. An integrally-fixed fixing shaft is arranged at the top of the positioning roller, an integrally-fixed chuck B is arranged at the top of the bending rod, and one end of the chuck B is arranged on the outer side of the fixing shaft in a sleeving mode and rotationally connected with the positioning roller. A guide groove B is formed in the machining base, a guide groove A is formed in the machining base, the side faces of the anti-corrosion stainless steel pipe abut against the outer side of the limiting rod and the outer side of the positioning roller respectively, the lifting type bending structure has two bending modes, a spiral steel pipe can be bent, and a conventional bent pipe can also be bent.

Description

TECHNICAL FIELD

[0001] The utility model relates to stainless steel pipe processing technical field, concretely to a kind of bending device for high-strength corrosion-resistant stainless steel pipe. BACKGROUND

[0002] Rust steel pipe is a kind of hollow long strip round steel, mainly widely used in petroleum, chemical industry, medical treatment, food, light industry, mechanical instrument etc. industrial conveying pipeline and mechanical structural component etc., and for some special workpiece supply, steel pipe needs to be bent, and different stainless steel pipe uses scene is different, spiral stainless steel pipe and conventional bending stainless steel pipe need to be bent using two different bending devices, and conventional bending device is difficult to bend two different stainless steel elbow pipe. SUMMARY

[0003] The utility model discloses a kind of bending device for high-strength corrosion-resistant stainless steel pipe, to solve the above problem.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of bending device for high-strength corrosion-resistant stainless steel pipe, including;

[0005] Corrosion type stainless steel pipe, corrosion type stainless steel pipe outside is provided with lifting type bending structure, lifting type bending structure includes processing base, threaded rod A, positioning stick, bending rod, limit rod;

[0006] Threaded rod A is located in the middle of processing base and is integrally fixed with processing base, the bottom of positioning stick is provided with threaded hole, positioning stick is sleeved on the top of threaded rod A and is connected with threaded rod A by screw thread, the top of positioning stick is provided with integrally fixed fixed shaft, and the top of bending rod has integrally fixed chuck B, and one end of chuck B is sleeved on the outside of fixed shaft and is rotatably connected with positioning stick;

[0007] Processing base is provided with guide groove B, and guide groove B is circular arc, guide groove B is at the same axis with positioning stick, the bottom of bending rod has integrally fixed limit block, and limit block passes through guide groove B and is slidably connected with processing base;

[0008] Processing base is provided with guide groove A, and the bottom of limit rod has integrally fixed connecting piece, the bottom of connecting piece passes through guide groove A and is slidably connected with processing base, and the side surface of corrosion type stainless steel pipe is respectively abutted on the outside of limit rod and positioning stick.

[0009] Preferably, the top of fixed shaft has integrally fixed chuck A, chuck A is attached to the top of chuck B, and one end of chuck A is provided with limit pin, and the bottom of limit pin extends to the bottom of chuck B through chuck A and chuck B.

[0010] Preferably, a plurality of limiting grooves are formed on the positioning rod, and the diameters of the limiting grooves are sequentially arranged from large to small.

[0011] Preferably, the bending rod is provided with a pull rod fixedly arranged at a middle position of the bending rod, the pull rod is perpendicular to the bending rod, the outer side of the pull rod is provided with a handle, and the top and the bottom of the bending rod are provided with height adjustment mechanisms.

[0012] Preferably, the top of the processing base is provided with a scale groove on the inner side of the guide groove B, and the bending rod is limited in the bending angle when the bending rod is slid to a specified distance on the top of the guide groove B.

[0013] Preferably, the bottom of the processing base is provided with two symmetrical positioning frames, the bottom of the connecting piece is provided with a threaded sleeve, the threaded sleeve is provided with a threaded rod B sleeved in the threaded sleeve, and the two ends of the threaded rod B are rotatably connected to the positioning frames.

[0014] Compared with the prior art, the bending device has the following beneficial effects:

[0015] 1. The corrosion-resistant stainless steel pipe to be bent is abutted with the limiting rod and the positioning rod, the handle is pushed to make the bending rod rotate around the fixed shaft and abut against the outer side of the corrosion-resistant stainless steel pipe, the threaded rod B is rotated to make the connecting piece horizontally move on the threaded rod B, the corrosion-resistant stainless steel pipe is clamped by the threaded rod A, the bending rod and the limiting rod, the corrosion-resistant stainless steel pipe is limited and fixed, the handle is continuously pulled to make the limiting block slide in the guide groove B, and the end of the corrosion-resistant stainless steel pipe is bent by the bending rod.

[0016] 2. When the corrosion-resistant stainless steel pipe needs to be overlapped and bent, the limiting pin is passed through the chuck A and the chuck B, the positioning rod is synchronously rotated when the bending rod is rotated, the positioning rod is lifted when the positioning rod is rotated, the bending part of the corrosion-resistant stainless steel pipe is provided with a distance difference, and then the special-shaped bending structure is formed. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a bottom view of the utility model;

[0018] Figure 2 It is a top view of the utility model;

[0019] Figure 3 It is an exploded view of the utility model;

[0020] Figure 4 It is a structure diagram of the bending rod of the utility model.

[0021] In the figure: 100, processing base; 101, guide groove A; 102, guide groove B; 103, scale groove; 200, threaded rod A; 201, positioning stick; 202, limiting groove; 203, fixed shaft; 204, chuck A; 205, limiting pin; 300, bending rod; 301, pull rod; 302, handle; 303, chuck B; 304, limiting block; 400, anticorrosive stainless steel pipe; 500, limiting rod; 501, connecting piece; 600, threaded rod B; 601, positioning frame. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "vertical", "upper", "lower", "horizontal" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0024] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Please refer to Figures 1-4 The present application provides a technical scheme: a bending device for high-strength corrosion-resistant stainless steel pipe, comprising;

[0026] The anticorrosive stainless steel pipe 400 is provided with a lifting type bending structure on the outer side, and the lifting type bending structure comprises a processing base 100, a threaded rod A 200, a positioning stick 201, a bending rod 300 and a limiting rod 500.

[0027] The threaded rod A200 is located in the middle of the processing base 100 and is integrally fixed with the processing base 100. The bottom of the positioning rod 201 is provided with a threaded hole. The positioning rod 201 is sleeved on the top of the threaded rod A200 and is threadedly connected with the threaded rod A200. The top of the positioning rod 201 is provided with an integrally fixed fixing shaft 203. The top of the bending rod 300 is provided with an integrally fixed chuck B303. One end of the chuck B303 is sleeved on the outside of the fixing shaft 203 and is rotationally connected with the positioning rod 201.

[0028] The processing base 100 is provided with a guide groove B102. The guide groove B102 is arc-shaped. The guide groove B102 is located on the same axis as the positioning rod 201. The bottom of the bending rod 300 is provided with an integrally fixed limiting block 304. The limiting block 304 passes through the guide groove B102 and is slidingly connected with the processing base 100.

[0029] The processing base 100 is provided with a guide groove A101. The bottom of the limiting rod 500 is provided with an integrally fixed connecting piece 501. The bottom of the connecting piece 501 passes through the guide groove A101 and is slidingly connected with the processing base 100. The side surface of the corrosion-resistant stainless steel pipe 400 abuts against the outside of the limiting rod 500 and the positioning rod 201.

[0030] Further, the top of the fixing shaft 203 is provided with an integrally fixed chuck A204. The chuck A204 is attached to the top of the chuck B303. One end of the chuck A204 is provided with a limiting pin 205. The bottom of the limiting pin 205 extends to the bottom of the chuck B303 through the chuck A204 and the chuck B303.

[0031] Further, the positioning rod 201 is provided with a plurality of limiting grooves 202. The diameters of each limiting groove 202 are sequentially arranged from large to small. Different sizes of limiting grooves can bend steel pipes with different radii.

[0032] Further, the central position of the bending rod 300 is provided with an integrally fixed pull rod 301. The pull rod 301 is perpendicular to the bending rod 300. The outside of the pull rod 301 has a handle 302. The top and bottom of the bending rod 300 can be adjusted in height, so that the positioning rod 201 can be lifted and the bending rod 300 can be lifted synchronously.

[0033] Further, the top of the processing base 100 has a scale groove 103 inside the guide groove B102. The bending rod 300 can be limited in bending angle when it is slid to a specified distance on the top of the guide groove B102.

[0034] Further, the bottom of the processing base 100 has two symmetrical positioning frames 601. The bottom of the connecting piece 501 has a threaded sleeve. The inside of the threaded sleeve is sleeved with a threaded rod B600. The two ends of the threaded rod B600 pass through the two positioning frames 601 and are rotationally connected with the positioning frames 601.

[0035] Working principle: when using, the anticorrosive stainless steel pipe 400 to be bent is respectively abutted with the limiting rod 500 and the positioning rod 201, the bending rod 300 is rotated around the fixed shaft 203 to abut against the outer side of the anticorrosive stainless steel pipe 400 by pushing the handle 302, finally the connecting piece 501 is horizontally moved on the threaded rod B600 by rotating the threaded rod B600, the anticorrosive stainless steel pipe 400 is clamped by the threaded rod A200, the bending rod 300 and the limiting rod 500 as three points, so that the anticorrosive stainless steel pipe 400 is limited and fixed, the staff continuously pulls the handle 302, the limiting block 304 slides in the guide groove B102, the end of the anticorrosive stainless steel pipe 400 is forced by the bending rod 300 to bend, and the top of the processing base 100 has the scale groove 103 in the inside of the guide groove B102, the bending rod 300 slides to the specified distance on the top of the guide groove B102, so that the bending angle can be limited;

[0036] Further, when the anticorrosive stainless steel pipe 400 needs to be overlapped and bent, the limiting pin 205 is passed through the chuck A204 and the chuck B303, so that the positioning rod 201 rotates synchronously when the bending rod 300 rotates, the positioning rod 201 rises when rotating, the distance difference of the bent part of the anticorrosive stainless steel pipe 400 appears, and then the special-shaped bending structure is formed.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-strength, corrosion-resistant stainless steel pipe bending device, characterized by: include; An anti-corrosion stainless steel pipe (400), wherein a lifting bending structure is provided on the outside of the anti-corrosion stainless steel pipe (400), and the lifting bending structure comprises a processing base (100), a threaded rod A (200), a positioning rod (201), a bending rod (300), and a limiting rod (500); The threaded rod A (200) is located in the middle of the processing base (100) and is fixed to the processing base (100). A threaded hole is provided at the bottom of the positioning rod (201). The positioning rod (201) is sleeved on the top of the threaded rod A (200) and is threadedly connected to the threaded rod A (200). The top of the positioning rod (201) is provided with an integrally fixed fixed shaft (203). The top of the bending rod (300) is provided with an integrally fixed chuck B (303). One end of the chuck B (303) is sleeved on the outside of the fixed shaft (203) and is rotatably connected to the positioning rod (201). The processing base (100) is provided with a guide groove B (102), which is arc-shaped. The guide groove B (102) and the positioning rod (201) are coaxial. The bottom of the bending rod (300) is provided with an integral fixed limit block (304), which passes through the guide groove B (102) and is slidably connected to the processing base (100). The processing base (100) is provided with a guide groove A (101), the bottom of the limiting rod (500) has an integrally fixed connecting piece (501), the bottom of the connecting piece (501) passes through the guide groove A (101) and is slidably connected to the processing base (100), and the side surfaces of the anti-corrosion stainless steel pipe (400) are respectively in contact with the outer sides of the limiting rod (500) and the positioning rod (201).

2. A high-strength, corrosion-resistant stainless steel pipe bending device according to claim 1, characterized in that: The top of the fixed shaft (203) has an integrally fixed chuck A (204), which is fitted on the top of the chuck B (303), and a limiting pin (205) is provided at one end of the chuck A (204), the bottom of which passes through the chuck A (204) and the chuck B (303) and extends to the bottom of the chuck B (303).

3. The high-strength, corrosion-resistant stainless steel pipe bending device according to claim 1, characterized in that: The positioning rod (201) is provided with a plurality of limiting grooves (202), and the diameters of the limiting grooves (202) are arranged in descending order.

4. The high-strength, corrosion-resistant stainless steel pipe bending device according to claim 1, characterized in that: The bending rod (300) has an integrally fixed pull rod (301) at the center thereof. The pull rod (301) is perpendicular to the bending rod (300), and a handle (302) is provided on the outside of the pull rod (301).

5. The high-strength, corrosion-resistant stainless steel pipe bending device according to claim 1, characterized in that: The top of the processing base (100) is located inside the guide groove B (102) and has a scale groove (103).

6. The high-strength, corrosion-resistant stainless steel pipe bending device according to claim 1, characterized in that: The bottom of the processing base (100) is provided with two symmetrical positioning frames (601), the bottom of the connecting piece (501) is provided with a threaded pipe sleeve, the interior of the threaded pipe sleeve is provided with a threaded rod B (600), and the two ends of the threaded rod B (600) pass through the two positioning frames (601) and are rotatably connected to the positioning frames (601).

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