Bending device

Abstract

The utility model relates to the technical field of steel pipe bending, and discloses a bending device, which is used for bending a steel pipe of an electric heating pipe, and particularly comprises a base and a feeding mechanism, the bending mechanism is arranged on the base, a wire is transferred to the base through the feeding mechanism, and the wire is automatically bent through the bending mechanism. According to the automatic bending and feeding device, the steel pipe is placed on the base through the feeding mechanism, automatic feeding operation is completed, the steel pipe is automatically bent through the bending mechanism, then the bent steel pipe is discharged through the feeding mechanism, automatic bending, feeding and discharging of the steel pipe are achieved, manual operation is not needed, actual working efficiency is improved, and production benefits of enterprises are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe bending, in particular to a bending device. Background Art

[0002] The heating tube is made by putting electric heating wire into a steel tube, filling the gap with magnesium oxide powder with good thermal conductivity and insulation, and then shrinking the tube, and then processing it into various shapes required by users. It has the characteristics of simple structure, high thermal efficiency, good mechanical strength, and good adaptability to harsh environments. It can be used to heat various liquids and acids, alkalis, and salts, and is also suitable for heating and melting metals with low melting points. It has the advantages of small size and high power.

[0003] During the production process of heating pipes, the steel pipe part of the heating pipe needs to be bent. Currently, the workers place the steel pipe on the bending equipment for bending, and then take the steel pipe away after bending. Due to the manual loading and unloading method, the actual work efficiency is low, which is not conducive to the automated processing of steel pipe bending. Utility Model Content

[0004] In order to solve the technical problems existing in the background technology, the utility model provides a bending device.

[0005] The utility model provides a bending device for bending a steel pipe of an electric heating pipe, which specifically comprises a base and a feeding mechanism. The base is equipped with a bending mechanism, the feeding mechanism is used to transfer wires to the base, and the bending mechanism is used to automatically bend the wires.

[0006] As a further optimized solution of the utility model, the bending mechanism includes a rotating shaft, a sleeve, a positioning fixture, and a bending plate. The rotating shaft is rotatably installed on the upper end surface of the base and driven by a driving member. The sleeve is fixedly mounted on the rotating shaft, and the upper end of the rotating shaft extends to the top of the sleeve to form a step. The positioning fixture is installed on the upper end surface of the base and is used to clamp and fix one end of the wire. The bending plate is installed on the outer periphery of the sleeve and is arranged opposite to the upper end periphery of the rotating shaft to form a wire accommodating channel. The sleeve and the bending plate are driven to rotate by the rotating shaft to bend the other end of the wire in the accommodating channel.

[0007] As a further optimized solution of the utility model, the bending mechanism also includes a positioning block and a first cushion block, which are respectively arranged on opposite sides of the sleeve, and the two ends of the wire arranged in the accommodating channel are respectively placed on the positioning block and the first cushion block.

[0008] As a further optimized solution of the utility model, the positioning fixture is arranged between the sleeve and the positioning block, the upper end surface of the positioning block is provided with a groove adapted to the wire, one end of the wire is inserted into the groove and clamped and fixed by the positioning fixture.

[0009] As a further optimized solution of the utility model, the upper end surface of the sleeve, the bottom surface of the groove and the upper end surface of the first cushion block are flush.

[0010] As a further optimized solution of the utility model, the bending mechanism also includes a limiting plate, which is fixedly mounted on the upper end surface of the base and located between the bending plate and the positioning fixture. The limiting plate is arranged on the side of the sleeve and is tightly attached to the side of the wire away from the rotating shaft.

[0011] As a further optimized solution of the utility model, the bending mechanism also includes a second cushion block, which is installed on the upper end surface of the base and is located on the trajectory of the wire bending.

[0012] As a further optimized solution of the utility model, the second cushion block is in a fan-shaped ring shape and is arranged concentrically with the rotating shaft.

[0013] As a further optimized solution of the utility model, the feeding mechanism includes an electric slide rail and a picking fixture. The picking fixture is installed on the movable end of the electric slide rail and is located above the base. The height of the picking fixture is adjustable.

[0014] As a further optimized solution of the utility model, it also includes a base, the number of the base is multiple, and the multiple bases are evenly distributed on the upper end surface of the base along the running direction of the electric slide rail.

[0015] The bending device proposed in the utility model has the following beneficial effects:

[0016] (I) The utility model places the steel pipe on the base through the feeding mechanism to complete the automatic feeding operation, uses the bending mechanism to automatically bend the steel pipe, and then unloads the bent steel pipe through the feeding mechanism, thereby realizing automatic bending and unloading of the steel pipe without manual operation, improving the actual work efficiency, and benefiting the production efficiency of the enterprise;

[0017] (ii) When in use, the electric slide rail drives the picking fixture to grab the steel pipe to be bent and place it on the base, so that one end of the steel pipe is placed on the upper end surface of the first cushion block, and the other end of the steel pipe is inserted into the groove on the upper end surface of the positioning block. The middle section of the steel pipe is placed between the rotating shaft and the bending plate, and then the positioning fixture is used to clamp and fix the end of the steel pipe close to the positioning block. At this time, the driving member drives the rotating shaft and the sleeve to rotate, so that the sleeve drives the bending plate to rotate, thereby bending the steel pipe.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the top view of the bending mechanism of the utility model in the first state;

[0021] Figure 3 It is a schematic diagram of the top view of the bending mechanism of the utility model in the second state.

[0022] Description of the drawings: 1. Base; 2. Base; 3. Bending mechanism; 31. Rotating shaft; 32. Sleeve; 33. Positioning fixture; 34. Bending plate; 35. Positioning block; 36. First cushion block; 37. Limiting plate; 38. Second cushion block; 4. Electric slide rail; 5. Picking fixture; 6. Electric push rod; 7. Loading table. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0028] See also Figure 1-Figure 3 , a bending device, used for bending steel pipes of electric heating pipes, specifically comprising a base 2 and a feeding mechanism, a bending mechanism 3 is installed on the base 2, a wire is transferred to the base 2 by the feeding mechanism, and the wire is automatically bent by the bending mechanism 3; the wires here and in the following are all steel pipes of electric heating pipes;

[0029] The steel pipe is placed on the base 2 by the feeding mechanism to complete the automatic feeding operation, the steel pipe is automatically bent by the bending mechanism 3, and then the bent steel pipe is unloaded by the feeding mechanism, so that the automatic bending and unloading of the steel pipe is realized without manual operation, which improves the actual work efficiency and is beneficial to the production efficiency of the enterprise;

[0030] Specifically, Figure 2 and Figure 3 As shown, the bending mechanism 3 includes a rotating shaft 31, a sleeve 32, a positioning fixture 33, and a bending plate 34. The rotating shaft 31 is rotatably mounted on the upper end surface of the base 2 and driven by a driving member. The sleeve 32 is fixedly sleeved on the rotating shaft 31, and the upper end of the rotating shaft 31 extends to the upper side of the sleeve 32 to form a step. The positioning fixture 33 is mounted on the upper end surface of the base 2 and is used to clamp and fix one end of the wire. The bending plate 34 is mounted on the outer periphery of the sleeve 32 and is arranged opposite to the outer periphery of the upper end of the rotating shaft 31 to form a wire accommodating channel. The rotating shaft 31 drives the sleeve 32 and the bending plate 34 to rotate to bend the other end of the wire in the accommodating channel.

[0031] Furthermore, the driving member is preferably a motor, which drives the rotating shaft 31 to rotate, thereby driving the sleeve 32 and the bending plate 34 to rotate, so as to drive the steel pipe to be bent at the fulcrum of the rotating shaft 31;

[0032] Furthermore, the bending mechanism 3 also includes a positioning block 35 and a first cushion block 36, which are respectively arranged on opposite sides of the sleeve 32, and the two ends of the wire arranged in the accommodating channel are respectively placed on the positioning block 35 and the first cushion block 36, so that the feeding mechanism can pick up and place the steel pipe in the vertical direction;

[0033] Furthermore, the positioning fixture 33 is arranged between the sleeve 32 and the positioning block 35. The upper end surface of the positioning block 35 is provided with a groove adapted to the wire. One end of the wire is inserted into the groove and is clamped and fixed by the positioning fixture 33.

[0034] Furthermore, the positioning clamp 33 is a pneumatic finger, and the two clamping fingers of the positioning clamp 33 can clamp or release the steel pipe by moving them closer or farther away from each other;

[0035] Furthermore, the upper end surface of the sleeve 32, the bottom surface of the groove and the upper end surface of the first cushion block 36 are flush, so that after one end of the steel pipe is clamped and fixed, the other end of the steel pipe can be bent on the same horizontal plane without affecting the placement and loading of the steel pipe;

[0036] Furthermore, the bending mechanism 3 further includes a limiting plate 37, which is fixedly mounted on the upper end surface of the base 2 and located between the bending plate 34 and the positioning fixture 33. The limiting plate 37 is arranged on the side of the sleeve 32 and is in close contact with the side of the wire away from the rotating shaft 31;

[0037] Furthermore, the limiting plate 37 and the bending plate 34 are both straight plates, the initial position of the bending plate 34 is aligned with the limiting plate 37, the inner side surfaces of the bending plate 34 and the limiting plate 37 are flush and fit with the surface of the steel pipe in the accommodating channel, and in the actual bending process, the sleeve 32 drives the bending plate 34 to rotate in a direction away from the limiting plate 37, thereby bending the steel pipe;

[0038] Furthermore, the bending mechanism 3 also includes a second cushion block 38, which is mounted on the upper end surface of the base 2 and is located on the trajectory of the wire bending. The second cushion block 38 is arranged on the side of the sleeve 32 away from the limit plate 37, and the second cushion block 38 is fan-shaped and is concentrically arranged with the rotating shaft 31. The upper end surface of the second cushion block 38 is flush with the upper end surface of the first cushion block 36, which can improve the bending stability of the steel pipe, thereby improving the bending accuracy, which is conducive to improving the product qualification rate;

[0039] Specifically, the feeding mechanism includes an electric slide rail 4 and a pick-up fixture 5. The pick-up fixture 5 is mounted on the movable end of the electric slide rail 4 and is located above the base 2. The height of the pick-up fixture 5 is adjustable.

[0040] Furthermore, the electric slide rail 4 can also be a displacement mechanism such as a pneumatic cylinder, an oil cylinder or a rectangular coordinate robot in the prior art, and the steel pipe is picked up by the picking fixture 5, and then the picking fixture 5 is driven to move by the electric slide rail 4, thereby realizing automatic loading and unloading in the steel pipe bending operation;

[0041] Furthermore, the picking fixture 5 can be any type of automatic fixture in the prior art, such as a pneumatic finger or a robot arm, etc.;

[0042] Furthermore, the movable end of the electric slide rail 4 faces downward and is installed with an electric push rod 6, and the picking fixture 5 is installed on the movable end of the electric push rod 6 extending downward, and the picking fixture 5 is driven by the electric push rod 6 to move up and down, so as to adjust the height of the picking fixture 5, which is convenient for actual material loading and unloading;

[0043] Specifically, it also includes a base 1, a plurality of bases 2, and the plurality of bases 2 are evenly distributed on the upper end surface of the base 1 along the running direction of the electric slide rail 4. Through the arrangement of the plurality of bases 2, different bending mechanisms can be installed on each base 2, and then the electric slide rail 4 drives the picking fixture 5 to pick up the steel pipe and perform bending processing at the plurality of bending mechanisms, so as to realize multiple, multi-location and multi-angle bending of the steel pipe, thereby improving the actual bending efficiency;

[0044] Furthermore, a loading platform 7 is installed on the base 1, and the steel pipe to be bent is transferred to the loading platform 7 through a conveyor so that the feeding mechanism can pick up the steel pipe and complete the automatic feeding operation;

[0045] Similarly, a collecting container or a material unloading conveyor can be added, and the steel pipe after bending can be transferred to the collecting container or the material unloading conveyor through the feeding mechanism for automatic unloading operation.

[0046] When in use, the electric slide rail 4 drives the picking clamp 5 to grab the steel pipe to be bent and place it on the base 2, so that one end of the steel pipe is placed on the upper end surface of the first cushion block 36, and the other end of the steel pipe is inserted into the groove on the upper end surface of the positioning block 35. The middle section of the steel pipe is placed between the rotating shaft 31 and the bending plate 34, and then the positioning clamp 33 is used to clamp and fix the end of the steel pipe close to the positioning block 35. At this time, the driving member drives the rotating shaft 31 and the sleeve 32 to rotate, so that the sleeve 32 drives the bending plate 34 to rotate, thereby bending the steel pipe.

[0047] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A bending device, characterized in that: It comprises a base (2) and a feeding mechanism, wherein a bending mechanism (3) is installed on the base (2), the wire is transferred to the base (2) by the feeding mechanism, and the wire is automatically bent by the bending mechanism (3); The bending mechanism (3) comprises a rotating shaft (31), a sleeve (32), a positioning fixture (33), and a bending plate (34). The rotating shaft (31) is rotatably mounted on the upper end surface of the base (2) and driven by a driving member. The sleeve (32) is fixedly sleeved on the rotating shaft (31), and the upper end of the rotating shaft (31) extends above the sleeve (32) to form a step. The positioning fixture (33) is mounted on the upper end surface of the base (2) and is used to clamp and fix one end of the wire. The bending plate (34) is mounted on the outer periphery of the sleeve (32) and is arranged opposite to the outer periphery of the upper end of the rotating shaft (31) to form a wire accommodation channel. The rotating shaft (31) drives the sleeve (32) and the bending plate (34) to rotate to bend the other end of the wire in the accommodation channel.

2. A bending device according to claim 1, characterized in that: The bending mechanism (3) also includes a positioning block (35) and a first cushion block (36), wherein the positioning block (35) and the first cushion block (36) are respectively arranged on opposite sides of the sleeve (32), and the two ends of the wire material arranged in the accommodating channel are respectively placed on the positioning block (35) and the first cushion block (36).

3. A bending device according to claim 2, characterized in that: The positioning fixture (33) is arranged between the sleeve (32) and the positioning block (35); the upper end surface of the positioning block (35) is provided with a groove adapted to the wire; one end of the wire is inserted into the groove and is clamped and fixed by the positioning fixture (33).

4. A bending device according to claim 3, characterized in that: The upper end surface of the sleeve (32), the bottom surface of the groove and the upper end surface of the first cushion block (36) are flush.

5. A bending device according to claim 1, characterized in that: The bending mechanism (3) also includes a limit plate (37), which is fixedly mounted on the upper end surface of the base (2) and located between the bending plate (34) and the positioning fixture (33). The limit plate (37) is arranged on the side of the sleeve (32) and is in close contact with the side of the wire away from the rotating shaft (31).

6. A bending device according to claim 1, characterized in that: The bending mechanism (3) also includes a second cushion block (38), which is mounted on the upper end surface of the base (2) and is located on the trajectory of the wire bending.

7. A bending device according to claim 6, characterized in that: The second cushion block (38) is in the shape of a sector ring and is arranged concentrically with the rotating shaft (31).

8. A bending device according to claim 1, characterized in that: The feeding mechanism comprises an electric slide rail (4) and a picking fixture (5). The picking fixture (5) is mounted on the movable end of the electric slide rail (4) and is located above the base (2). The height of the picking fixture (5) is adjustable.

9. A bending device according to claim 8, characterized in that: It also includes a base (1), a plurality of bases (2), and the plurality of bases (2) are evenly distributed on the upper end surface of the base (1) along the running direction of the electric slide rail (4).

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