An electric pipe bender

Abstract

The present application relates to the technical field of pipe processing, and discloses an electric pipe bender, which comprises a shell provided with a pipe inlet and a pipe outlet; a pipe conveying mechanism is arranged in the shell and is used for transferring a pipe from the pipe inlet to the pipe outlet; the pipe bending mechanism comprises a first pipe bending assembly rotatably arranged at the pipe outlet and a second pipe bending assembly rotatably arranged on the first pipe bending assembly; the first pipe bending assembly rotates around the center of the pipe outlet; and the second pipe bending assembly rotates around the radial direction of the pipe outlet; the pipe bender comprises a pair of symmetrically arranged flared pipes, the large-diameter ends of the flared pipes are opposite to each other, and the pipe bender is arranged on the second pipe bending assembly; the present application can process various special-shaped pipes such as annular pipes, right-angle pipes and spring-shaped pipes, and can ensure that the pipe is subjected to uniform stress.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipe processing, in particular to an electric pipe bender. BACKGROUND

[0002] The pipe bender is a machine for bending and forming pipe, mainly applied in the fields of power construction, railway construction, boiler, bridge and ship.

[0003] The existing pipe bender usually has the problems of simple bending mode, uneven stress of pipe and unguaranteed inner diameter of pipe. SUMMARY

[0004] The present application aims to provide an electric pipe bender, which aims to solve or improve at least one of the above technical problems.

[0005] To achieve the above-mentioned purpose, the present application provides the following scheme: the present application provides an electric pipe bender, comprising:

[0006] A housing is provided with a pipe inlet and a pipe outlet;

[0007] A pipe feeding mechanism is arranged in the housing, and the pipe feeding mechanism is used to transfer the pipe from the pipe inlet to the pipe outlet;

[0008] A pipe bending mechanism comprises a first pipe bending assembly rotatably arranged at the pipe outlet and a second pipe bending assembly rotatably arranged on the first pipe bending assembly, the first pipe bending assembly rotates around the center of the pipe outlet, and the second pipe bending assembly rotates around the radial direction of the pipe outlet;

[0009] A pipe bender comprises a pair of symmetrically arranged flared pipes, the large diameter ends of the pair of flared pipes are opposite to each other, and the pipe bender is arranged on the second pipe bending assembly.

[0010] Optionally, the first pipe bending assembly comprises:

[0011] A sliding through-hole is formed in the side wall of the housing;

[0012] A rack groove is formed in the side wall of the sliding through-hole;

[0013] An installation strip is slidably arranged on the side wall of the pipe outlet, and the second pipe bending assembly is rotatably arranged on the installation strip;

[0014] A double-shaft motor is slidably arranged in the sliding through-hole, the double-shaft motor is fixedly connected with the installation strip, one output end of the double-shaft motor is connected with a first gear, and the first gear is engaged with the rack groove.

[0015] Optionally, the second elbow assembly comprises:

[0016] A support shaft is rotatably arranged on the mounting strip, and the support shaft is connected with the elbow bender;

[0017] A second gear is fixedly connected to the other output shaft of the double-shaft motor;

[0018] A third gear is connected with the support shaft, and the third gear is engaged with the second gear.

[0019] Optionally, the sidewall at the center of the elbow bender is connected with the support shaft.

[0020] Optionally, the pipe feeding mechanism comprises:

[0021] A plurality of rubber rollers are arranged in the housing;

[0022] A third driving member is used to drive the plurality of rubber rollers to rotate;

[0023] A guide cover is arranged in the housing, and the guide cover corresponds to the plurality of rubber rollers up and down.

[0024] Optionally, the elbow bender is provided with a deviation correction disc at one end thereof facing the elbow inlet.

[0025] The present application discloses the following technical effects:

[0026] 1. The pipe is inserted into the housing through the elbow inlet and is led out by the elbow bender at the elbow outlet, the pipe is driven to move by the pipe feeding mechanism, the elbow bender is driven to move in two directions by arranging the first elbow assembly and the second elbow assembly which can rotate in two directions at the elbow outlet, so that various special-shaped pipes such as annular type, right-angle bend and spring type can be processed.

[0027] 2. The elbow bender composed of a pair of flared pipes is arranged, so that the force on the pipe is only in the middle of the elbow bender, and the force on the pipe is uniform. BRIEF DESCRIPTION OF DRAWINGS

[0028] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of the present application illustrated in the drawings and their descriptions are used to explain the present application and are not used to limit the present application. In the drawings:

[0029] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0030] Figure 2 It is a schematic diagram of the pipe feeding mechanism structure of the present application;

[0031] Figure 3 It is a schematic diagram of the elbow mechanism structure of the present application;

[0032] Figure 4 The schematic diagram of the rack groove structure of the present application.

[0033] In the figure: 1, housing; 11, elbow inlet; 12, elbow outlet; 2, elbow mechanism; 201, double-shaft motor; 202, first gear; 203, second gear; 204, third gear; 205, rack groove; 206, deviation correction disc; 207, elbow device; 208, mounting strip; 209, support shaft; 3, pipe conveying mechanism; 301, rubber roller; 302, third driving member; 303, guide cover. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be described clearly and completely 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 of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0035] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0036] With reference to Figures 1-4 The present application provides an electric elbow bender, comprising:

[0037] A housing 1 is provided with an elbow inlet 11 and an elbow outlet 12;

[0038] A pipe conveying mechanism 3 is arranged in the housing 1, and the pipe conveying mechanism 3 is used to transfer the pipe from the elbow inlet 11 to the elbow outlet 12;

[0039] An elbow mechanism 2 comprises a first elbow assembly rotatably arranged at the elbow outlet 12 and a second elbow assembly rotatably arranged on the first elbow assembly, the first elbow assembly rotates around the center of the elbow outlet 12, and the second elbow assembly rotates around the radial direction of the elbow outlet 12;

[0040] An elbow device 207 comprises a pair of symmetrically arranged flared pipes, the large-diameter ends of the pair of flared pipes are opposite to each other, and the elbow device 207 is arranged on the second elbow assembly.

[0041] The pipe is inserted into the shell 1 through the elbow inlet 11 and is guided out by the elbow guide 207 at the elbow outlet 12, the pipe is driven to move by the pipe feeding mechanism 3, the elbow guide 207 is driven to move in two directions by setting the first elbow assembly and the second elbow assembly which can rotate in two directions at the elbow outlet 12, so that the pipe can be processed into various special-shaped pipes such as annular type, right angle, spring type and the like, and the elbow guide 207 is set by a pair of flared pipes, so that the force on the pipe is only in the middle of the elbow guide 207, and the force on the pipe is uniform.

[0042] In an embodiment of the present application, the first elbow assembly comprises:

[0043] The sliding through hole is arranged on the side wall of the shell 1;

[0044] The rack groove 205 is arranged on the side wall of the sliding through hole;

[0045] The mounting strip 208 is slidably arranged on the side wall of the elbow outlet 12, and the second elbow assembly is rotatably arranged on the mounting strip 208;

[0046] The double-shaft motor 201 is slidably arranged in the sliding through hole, the double-shaft motor 201 is fixedly connected with the mounting strip 208, one output end of the double-shaft motor 201 is connected with the first gear 202, and the first gear 202 is engaged with the rack groove 205.

[0047] The first gear 202 is driven to rotate by the double-shaft motor 201, the double-shaft motor 201 is driven to slide along the sliding through hole by the cooperation between the first gear 202 and the rack groove 205, at the same time, the mounting strip 208 is driven to slide along the elbow outlet 12 by the double-shaft motor 201, so that the mounting strip 208 can drive the second elbow assembly to rotate around the center of the elbow outlet 12.

[0048] In an embodiment of the present application, the second elbow assembly comprises:

[0049] The support shaft 209 is rotatably arranged on the mounting strip 208, and the support shaft 209 is connected with the elbow guide 207;

[0050] The second gear 203 is fixedly connected to the other output shaft of the double-shaft motor 201;

[0051] The third gear 204 is connected with the support shaft 209, and the third gear 204 is engaged with the second gear 203.

[0052] The second gear 203 is driven to rotate by the double-shaft motor 201, the third gear 204 is driven to rotate by the second gear 203, and the support shaft 209 is driven to rotate by the third gear 204, so that the support shaft 209 drives the elbow guide 207 to rotate around the radial direction of the elbow outlet 12.

[0053] By setting the bender 207 on the support shaft 209, the bender 207 can rotate around the radial direction of the bender outlet 12 and around the center of the bender outlet 12, and the two directions of rotation can be matched to process various complex pipe fittings of various angles.

[0054] In one embodiment of the present application, the sidewall at the center of the bender 207 is connected with the support shaft 209.

[0055] The uniformity of the force applied to the bender 207 is effectively improved.

[0056] Further, the support shaft 209 includes a pair of shaft rods, which are fixedly connected on the two sides of the bender 207 in a symmetrical manner, and the pair of shaft rods are fixedly connected with the mounting strip 208 and the third gear 204, respectively.

[0057] In one embodiment of the present application, the pipe feeding mechanism 3 includes:

[0058] A plurality of rubber rollers 301 are arranged in the housing 1.

[0059] A third driving member 302 is arranged in the housing 1, and is used to drive the plurality of rubber rollers 301 to rotate.

[0060] A guide cover 303 is arranged in the housing 1, and the guide cover 303 corresponds to the plurality of rubber rollers 301 in an up-down manner.

[0061] The plurality of rubber rollers 301 are driven to rotate by the third driving member 302, and the pipe fitting is driven to displace by the plurality of rubber rollers 301. The plurality of rubber rollers 301 can adapt to the bending processing operation of pipe fittings of various diameters or variable diameters. The guide cover 303 prevents the pipe fitting from being displaced in other directions after entering the housing 1.

[0062] In one embodiment of the present application, the bender 207 is provided with a deviation correction disc 206 at one end thereof facing the bender inlet 11, and the deviation correction disc 206 can enable the pipe fitting to be accurately inserted into the bender 207.

[0063] Further, the maximum size of the housing 1 in length, width and height is only 0.4 m, and the bending range of the pipe fitting with a large diameter in the range of 3-6 cm in diameter.

[0064] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element 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.

[0065] The above-described embodiments are merely intended to describe the preferred modes of the present application, and are not intended to limit the scope of the present application. Various modifications and improvements of the present application made by those skilled in the art based on the above-described embodiments should fall within the scope of the present application defined by the claims.

Claims

1. An electric pipe bender characterized by comprising: The utility model relates to a pipe bending device, which comprises: a housing (1) provided with a pipe inlet (11) and a pipe outlet (12); a pipe conveying mechanism (3) arranged in the housing (1) and used for transferring a pipe from the pipe inlet (11) to the pipe outlet (12); a pipe bending mechanism (2) comprising a first pipe bending assembly rotatably arranged at the pipe outlet (12) and a second pipe bending assembly rotatably arranged on the first pipe bending assembly, the first pipe bending assembly being rotatable about the center of the pipe outlet (12), and the second pipe bending assembly being rotatable about the radial direction of the pipe outlet (12); a pipe bender (207) comprising a pair of symmetrically arranged flared pipes, the large-diameter ends of the flared pipes being opposite to each other, and the pipe bender (207) being arranged on the second pipe bending assembly; the first pipe bending assembly comprises: a sliding through hole formed in the side wall of the housing (1); a rack groove (205) formed in the side wall of the sliding through hole; a mounting strip (208) slidably arranged on the side wall of the pipe outlet (12), and the second pipe bending assembly being rotatably arranged on the mounting strip (208); a double-shaft motor (201) slidably arranged in the sliding through hole, the double-shaft motor (201) being fixedly connected with the mounting strip (208), one output shaft of the double-shaft motor (201) being connected with a first gear (202), and the first gear (202) being engaged with the rack groove (205); the second pipe bending assembly comprises: a support shaft (209) rotatably arranged on the mounting strip (208) and connected with the pipe bender (207); a second gear (203) fixedly connected with the other output shaft of the double-shaft motor (201); a third gear (204) connected with the support shaft (209) and engaged with the second gear (203).

2. An electric pipe bender according to claim 1, characterized in that the side wall at the center of the pipe bender (207) is connected with the support shaft (209).

3. An electric pipe bender according to claim 1, wherein the pipe conveying mechanism (3) comprises: a plurality of rubber rollers (301) arranged in the housing (1); a third driving member (302) used for driving the plurality of rubber rollers (301) to rotate; a guide cover (303) arranged in the housing (1) and corresponding to the plurality of rubber rollers (301) in an up-down manner.

4. An electric pipe bender according to claim 1, wherein one end of the pipe bender (207) facing the pipe inlet (11) is provided with a deviation correction disc (206).

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