Pipe bending machine

Abstract

The utility model provides a pipe bending machine, and relates to the technical field of pipe bending machines. Two first electric cylinders are fixed to the top end face of the base, one ends of the upper portions of the two first electric cylinders are welded to the bottom end face of a bearing base, and a containing groove of a V-shaped structure used for containing a pipe fitting is formed in the top end face of the bearing base. A second electric cylinder is fixed to the mounting arm, a pushing plate is fixed to the extending end of the second electric cylinder, and the pushing plate is located above the bearing base. According to the pipe fitting limiting device, through the arrangement of the sliding rod, the second connecting block, the third electric cylinder and the fourth electric cylinder, on one hand, limiting of the pipe fitting can be achieved through a blocking rod on the third electric cylinder, and the position of the pipe fitting does not need to be repeatedly adjusted; and on the other hand, when the front-back position of the blocking rod is adjusted, the electric cylinder is controlled to stretch out and draw back, compared with an existing device, the device can achieve limiting of the pipe fitting, the limiting position is adjustable, and the bending efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe benders, and more specifically, particularly relates to a pipe bender. Background Technique

[0002] At present, when processing the working pipe of the insulated overhead steam pipeline, a pipe bender is required to bend the pipe fittings.

[0003] Due to the large diameter and heavy weight of the insulated overhead steam pipeline, it is not convenient during loading, and the insulated overhead steam pipeline cannot be quickly inserted into the bending position, delaying the overall bending efficiency; when the existing device bends the pipe, the position of the pipe fitting needs to be adjusted repeatedly, delaying the bending efficiency. Content of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides a pipe bender to solve the problem that due to the large diameter and heavy weight of the insulated overhead steam pipeline, it is not convenient during loading, and the insulated overhead steam pipeline cannot be quickly inserted into the bending position, delaying the overall bending efficiency; when the existing device bends the pipe, the position of the pipe fitting needs to be adjusted repeatedly, delaying the bending efficiency.

[0005] The purpose and effect of a pipe bender of the utility model are achieved by the following specific technical means:

[0006] A pipe bender includes a base; two first electric cylinders are fixed on the top surface of the base, and one end above the two first electric cylinders is welded to the bottom surface of a receiving seat. A V-shaped placement groove for placing pipe fittings is provided on the top surface of the receiving seat; a second electric cylinder is fixed on an installation arm, and a pushing plate is fixed at the extending end of the second electric cylinder. The pushing plate is located above the receiving seat.

[0007] Further, an installation arm is fixed on the top surface of the base. The installation arm is of a concave structure, and a stress seat is fixed on the installation arm; a rotating shaft rotates on the installation arm. The rotating shaft passes through the stress seat, and a bending seat is welded on the rotating shaft. A pipe fitting is inserted between the stress seat and the bending seat.

[0008] Further, a worm gear is welded on the rotating shaft, a worm rotates on the installation arm, the worm meshes with the worm gear, and a motor is fixed on the installation arm. The output shaft of the motor is fixed on the worm.

[0009] Further, a sliding rod slides on the installation arm, and a second connecting block is welded at the front end of the sliding rod.

[0010] Further, the second connecting block is of a rectangular block structure. A third electric cylinder is fixed to the bottom end face of the second connecting block. A blocking rod in the shape of a cylindrical rod is fixed to the extending end of the third electric cylinder. The outer wall of the blocking rod contacts the rear end of the pipe fitting.

[0011] Further, a fourth electric cylinder is fixed to the rear end face of the mounting arm. The extending end of the fourth electric cylinder is fixed to the second connecting block.

[0012] Further, the motor, the first electric cylinder, the second electric cylinder, the third electric cylinder and the fourth electric cylinder are all electrically connected to an external control switch.

[0013] Further, the mounting relationship between the mounting arm and the base is that they are first inserted and then bolted.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In this application, through the settings of the first electric cylinder, the receiving seat, the second electric cylinder and the pushing plate, when loading the pipe fitting, the pipe is placed on the receiving seat in a suspended manner. Control the second electric cylinder to contract. The second electric cylinder drives the pushing plate to move backward, and the pushing plate pushes the pipe fitting for feeding; during use, control the two first electric cylinders to expand and contract to adjust the height of the pipe fitting on the receiving seat to ensure that the pipe fitting can be aligned with the force receiving seat. Compared with the existing device, this device is more convenient and fast during feeding, and can be adjusted according to pipe fittings with different diameters, and has high adjustability.

[0016] In this application, through the settings of the sliding rod, the second connecting block, the third electric cylinder and the fourth electric cylinder, on the one hand, the pipe fitting can be limited by the blocking rod on the third electric cylinder, and there is no need to repeatedly adjust the position of the pipe fitting; on the other hand, when adjusting the front and rear positions of the blocking rod, control the electric cylinder to expand and contract. Compared with the existing device, this device can limit the pipe fitting, and the limiting position is adjustable, improving the bending efficiency.

[0017] In this application, the connection relationship between the mounting arm and the base is improved. Since the mounting relationship between the mounting arm and the base is first inserted and then bolted, during use, the stability of the mounting arm can be ensured, and the fixing screw of the mounting arm is prevented from breaking due to excessive force during the bending process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is an axonometric structural view of the pipe bender of the utility model.

[0019] Figure 2 is a front view structural view of the pipe bender of the utility model.

[0020] Figure 3It is a schematic right - view structure diagram of the pipe bender of the present utility model.

[0021] Figure 4 It is a schematic right - view structure diagram of the pipe bender of the present utility model.

[0022] Figure 5 It is a schematic axonometric structure diagram of the first electric cylinder, the receiving seat, the second electric cylinder and the pushing plate of the present utility model.

[0023] Figure 6 It is a schematic axonometric structure diagram of the base and the mounting arm of the present utility model after disassembly.

[0024] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0025] 1. Base; 201. Mounting arm; 202. Stress seat; 203. Rotating shaft; 204. Bending seat; 205. Worm gear; 206. Motor; 207. Worm; 301. First electric cylinder; 302. Receiving seat; 303. Second electric cylinder; 304. Pushing plate; 401. Sliding rod; 402. Second connecting block; 403. Third electric cylinder; 404. Fourth electric cylinder; 5. Pipe fitting. Detailed implementation manners

[0026] In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] Unless otherwise defined, the technical terms or scientific terms used herein shall have the ordinary meanings as understood by those of ordinary skill in the art to which the present utility model belongs. The words such as "a", "an" or "the" used in the specification and claims of the patent application of the present utility model do not indicate a limitation in quantity, but rather indicate the existence of at least one. Words such as "comprising" or "including" mean that the elements or objects appearing before this word cover the elements or objects listed after this word and their equivalents. "Connection" or "connected" and other similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Upper", "lower", "left", "right", etc. are only used to represent relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0028] The following further describes the implementation manners of the present utility model in detail with reference to the drawings and embodiments.

[0029] Embodiment 1:

[0030] As shown in the attached Figure 1 to the attached Figure 6 figure:

[0031] The present utility model provides a pipe bender, which includes a base 1; two first electric cylinders 301 are fixed on the top surface of the base 1, and one end above the two first electric cylinders 301 is welded to the bottom surface of the receiving seat 302. A placement groove with a V-shaped structure for placing the pipe fitting 5 is provided on the top surface of the receiving seat 302.

[0032] Among them, a second electric cylinder 303 is fixed on the mounting arm 201, and a push plate 304 is fixed at the extending end of the second electric cylinder 303. The push plate 304 is located above the receiving seat 302. When loading the pipe fitting 5, the pipe is placed on the receiving seat 302 in a suspended manner, the second electric cylinder 303 is controlled to contract, the second electric cylinder 303 drives the push plate 304 to move backward, and the push plate 304 pushes the pipe fitting 5 for loading; during use, the two first electric cylinders 301 are controlled to expand and contract, and the height of the pipe fitting 5 on the receiving seat 302 can be adjusted to ensure that the pipe fitting 5 can be aligned with the force receiving seat 202.

[0033] Among them, a mounting arm 201 is fixed on the top surface of the base 1. The mounting arm 201 has a concave structure, and a force receiving seat 2 by welding. A rotating shaft 203 is rotatably mounted on the mounting arm 201. The rotating shaft 203 passes through the force receiving seat 202, and a bending seat 204 is welded on the rotating shaft 203. A pipe fitting 5 is inserted between the force receiving seat 202 and the bending seat 204.

[0034] Among them, a worm gear 205 is welded on the rotating shaft 203, a worm 207 is rotatably mounted on the mounting arm 201, the worm 207 meshes with the worm gear 205, and a motor 206 is fixed on the mounting arm 201. The output shaft of the motor 206 is fixed on the worm 207. When bending the pipe fitting 5, the motor 206 is controlled to rotate. Under the meshing transmission of the worm 207 and the worm gear 205, the bending seat 204 rotates following the rotating shaft 203, and at this time, the bending of the pipe fitting 5 can be realized.

[0035] Among them, a sliding rod 401 is slidably mounted on the mounting arm 201, and a second connecting block 402 is welded at the front end of the sliding rod 401.

[0036] Among them, the second connecting block 402 has a rectangular block structure, a third electric cylinder 403 is fixed on the bottom surface of the second connecting block 402, and a blocking rod with a cylindrical rod structure is fixed at the extending end of the third electric cylinder 403. The outer wall of the blocking rod contacts the rear end of the pipe fitting 5.

[0037] Among them, a fourth electric cylinder 404 is fixed to the rear end face of the installation arm 201, and the extending end of the fourth electric cylinder 404 is fixed to the second connection block 402. When the pushing plate 304 pushes the pipe fitting 5 to move rightward, it moves until one end at the rear side of the pipe fitting 5 contacts the blocking rod, and then bending is performed. When adjusting the front and rear positions of the blocking rod, control the telescoping of the fourth electric cylinder 404.

[0038] Among them, the installation relationship between the installation arm 201 and the base 1 is first plugging and then bolt fixing, which can ensure the stability of the installation arm 201 during use.

[0039] Embodiment 2:

[0040] On the basis of Embodiment 1, the motor 206, the first electric cylinder 301, the second electric cylinder 303, the third electric cylinder 403, and the fourth electric cylinder 404 are all electrically connected to an external control switch. During use, pressing the external switch can control the operation and stop of the motor 206 and the fourth electric cylinder 404.

[0041] Working principle: When loading the pipe fitting 5, place the pipe in a suspended manner on the receiving seat 302, control the second electric cylinder 303 to contract, the second electric cylinder 303 drives the pushing plate 304 to move backward, and the pushing plate 304 pushes the pipe fitting 5 for loading until one end at the rear side of the pipe fitting 5 contacts the blocking rod. During use, control the telescoping of the two first electric cylinders 301 to adjust the height of the pipe fitting 5 on the receiving seat 302 to ensure that the pipe fitting 5 can be aligned with the force receiving seat 202. When bending, control the motor 206 to rotate. Under the meshing transmission of the worm 207 and the worm wheel 205, the bending seat 204 rotates following the rotating shaft 203, and at this time, the bending of the pipe fitting 5 can be realized. When adjusting the front and rear positions of the blocking rod, control the telescoping of the fourth electric cylinder 404.

[0042] Although the present application has been described with reference to the above embodiments, those skilled in the art will understand that various changes can be made without departing from the concept and scope of the present application as defined by the appended claims. Although this specification contains many details of specific implementation manners, these should not be construed as limitations on the scope claimed by the present application, but rather as descriptions of features specific to particular embodiments. The scope of the present application is defined by the appended claims and their equivalents, and is not limited to the embodiments described above.

Claims

1. A pipe bender, comprising a base (1); two first electric cylinders (301) are fixed on the top end surface of the base (1), and it is characterized in that: One end of the upper part of each of the two first electric cylinders (301) is welded to the bottom end face of the receiving seat (302). A placement groove with a V-shaped structure for placing the pipe fitting (5) is provided on the top end face of the receiving seat (302). A second electric cylinder (303) is fixed on the mounting arm (201). A pushing plate (304) is fixed to the extending end of the second electric cylinder (303), and the pushing plate (304) is located above the receiving seat (302).

2. The tube bender according to claim 1, wherein: A mounting arm (201) is fixed to the top end face of the base (1). The mounting arm (201) has a concave structure. A stress seat (202) is fixed on the mounting arm (201). A rotating shaft (203) rotates on the mounting arm (201). The rotating shaft (203) passes through the stress seat (202). A bent seat (204) is welded to the rotating shaft (203). A pipe fitting (5) is inserted between the stress seat (202) and the bent seat (204).

3. The pipe bender according to claim 2, characterized in that: A worm gear (205) is welded to the rotating shaft (203). A worm (207) rotates on the mounting arm (201). The worm (207) meshes with the worm gear (205). A motor (206) is fixed on the mounting arm (201). The output shaft of the motor (206) is fixed to the worm (207).

4. The pipe bender according to claim 3, wherein: A sliding rod (401) slides on the mounting arm (201). One end of the front side of the sliding rod (401) is welded with a second connecting block (402).

5. The tube bender according to claim 4, wherein: The second connecting block (402) has a rectangular block structure. A third electric cylinder (403) is fixed to the bottom end face of the second connecting block (402). A blocking rod with a cylindrical rod structure is fixed to the extending end of the third electric cylinder (403). The outer wall of the blocking rod contacts one end of the rear side of the pipe fitting (5).

6. The pipe bender according to claim 5, wherein: A fourth electric cylinder (404) is fixed to the rear end face of the mounting arm (201). The extending end of the fourth electric cylinder (404) is fixed to the second connecting block (402).

7. The pipe bender according to claim 6, wherein: The motor (206), the first electric cylinder (301), the second electric cylinder (303), the third electric cylinder (403) and the fourth electric cylinder (404) are all electrically connected to an external control switch.

8. The pipe bender according to claim 7, wherein: The mounting relationship between the mounting arm (201) and the base (1) is first insertion and then bolt fixation.

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