Seamless steel tube pushing machine

Abstract

The utility model relates to the technical field of seamless steel pipe production devices, and provides a seamless steel pipe pushing machine which comprises an equipment frame, a supporting seat and a bending center rod, the supporting seat is fixed on the surface of the equipment frame, the bending center rod is arranged in the supporting seat, a limiting material pushing assembly is arranged on the equipment frame, and an electric heating coil is installed on the equipment frame. The supporting conveying assembly is arranged on the supporting base and the equipment frame, the side plates are fixed to the two ends of the surface of the equipment frame, limiting hydraulic cylinders are arranged on the side surfaces of the side plates and fixed to the side surfaces of the side plates, and the output ends of the limiting hydraulic cylinders are connected with a movable frame. According to the technical scheme, the problem that in the prior art, when the guide rod is sleeved with the steel pipe in use, the push plate pushed by the hydraulic rod cannot be limited, and danger is brought to operation of workers is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless steel pipe production devices, in particular to a seamless steel pipe pushing machine. Background Art

[0002] In large-scale projects, pipelines are used more and more widely. Elbows are one of the important components in pipelines. Their quality and curvature determine the overall quality of the pipeline. At present, elbows are generally processed by elbow pushers. Pushers have fast processing speed and good molding effect, which greatly improves production efficiency. However, due to the large size of pushers, workers are often injured during the production process because the pushers are not stopped, which brings serious consequences.

[0003] To this end, the patent with application number CN202461234U discloses an elbow pushing machine, including a frame, a medium frequency heater, and a hydraulic system. The fixed platform is fixed at the rear end of the frame, and there is a hole in the center of the fixed platform. The cylinder is fixed on the fixed platform. The rod chamber and the rodless chamber of the cylinder are respectively connected to the hydraulic system through pipelines. The pusher head is connected and fixed to the cylinder rods of each cylinder, and there is a hole in the center of the pusher head. The medium frequency heater is connected to the heating coil by a wire. The core rod with a wedge hole at the rear passes through the hole in the center of the heating coil and the pusher head and the center hole of the fixed platform. The wedge is inserted into the wedge hole of the core rod. The movable semicircular pallet is composed of upper and lower semicircular pallets. The upper and lower semicircular pallets of the interactive semicircular pallet are both installed on the front surface of the pusher head and are simultaneously sleeved on the core rod and leave a gap with the core rod.

[0004] However, the above solution has a defect in use: when the steel pipe is put on the guide rod, the push plate pushed by the hydraulic rod cannot be limited, which brings danger to workers during operation.

[0005] Therefore, improvements are made to address the above problems. Utility Model Content

[0006] The utility model provides a seamless steel pipe pushing machine, which solves the problem in the related art that when the steel pipe is sleeved on the guide rod, the push plate pushed by the hydraulic rod cannot be limited, which brings danger to workers during operation.

[0007] The technical solution of the utility model is as follows:

[0008] An equipment frame, a support seat and a bent center rod, wherein the support seat is fixed to the surface of the equipment frame, and the bent center rod is arranged in the support seat;

[0009] A position-limiting material pushing component, wherein the position-limiting material pushing component is arranged on the equipment frame;

[0010] An electric heating coil, wherein the electric heating coil is mounted on the equipment rack;

[0011] A support conveying assembly, wherein the support conveying assembly is arranged on the support seat and the equipment frame;

[0012] The limiting pushing assembly includes a pair of side plates, which are fixed at both ends of the equipment frame surface. The side surfaces of the side plates are provided with limiting hydraulic cylinders, which are fixed on the side surfaces of the side plates, and the output ends of the limiting hydraulic cylinders are connected to the moving frame.

[0013] As a further technical solution, bottom grooves are opened on both sides of the support seat, and a pushing hydraulic cylinder is fixedly connected to the movable frame. The pushing hydraulic cylinder is located in the bottom groove and is provided with a limiting sleeve.

[0014] As a further technical solution, the supporting and conveying assembly includes a plurality of rectangular grooves, which are opened in the supporting seat. A first telescopic cylinder is arranged in the rectangular groove, and a supporting wheel is connected to the output end of the first telescopic cylinder. A pair of circular grooves are opened in the supporting seat.

[0015] As a further technical solution, the circular groove is opened in the support seat, a second telescopic cylinder is arranged in the circular groove, the output end of the second telescopic cylinder is connected to the clamping seat, and a support roller is arranged on the surface of the equipment frame, and the support roller is located on one side of the electric heating coil.

[0016] As a further technical solution, a notch is provided at one end of the equipment frame, and the notch is located directly below the bent center rod.

[0017] As a further technical solution, the surface of the support roller is an inclined structural surface with a concave structure.

[0018] As a further technical solution, the movable frame is connected to both ends of the limit hydraulic cylinder, and the bottom surface of the movable frame is slidably fitted with the surface of the equipment frame.

[0019] As a further technical solution, side grooves are provided on both side surfaces of the equipment rack, and the side grooves are located between the support seat and the electric heating coil.

[0020] The working principle and beneficial effects of the utility model are:

[0021] The utility model is provided with a limited pushing assembly. Through the interaction of structures such as the side plates, the limited hydraulic cylinder, the moving frame, the bottom trough, the pushing hydraulic cylinder and the limited sleeve frame, the steel pipe can be clamped between the two limited sleeve frames. With the telescopic function of the pushing hydraulic cylinder, the steel pipe can be pushed to move and bend smoothly, and can be stopped at any time. The processing effect is stable and safe, and it has good use effect and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 It is a cross-sectional view of the utility model;

[0025] Figure 3 For the utility model Figure 2 A partial enlarged view of part A;

[0026] In the figure: 1. Equipment frame; 2. Support seat; 3. Bending center rod; 4. Electric heating coil; 5. Limit pusher assembly; 5-1. Side plate; 5-2. Limit hydraulic cylinder; 5-3. Mobile frame; 5-4. Bottom groove; 5-5. Pusher hydraulic cylinder; 5-6. Limit sleeve; 6. Support and conveyor assembly; 6-1. Rectangular groove; 6-2. First telescopic cylinder; 6-3. Support wheel; 6-4. Circular groove; 6-5. Second telescopic cylinder; 6-6. Clamping seat; 6-7. Support roller; 7. Notch; 8. Side groove. DETAILED DESCRIPTION

[0027] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figure 1~Figure 3 As shown, this embodiment provides a seamless steel pipe pushing machine, comprising

[0029] Equipment frame 1, support base 2 and bending center rod 3, the support base 2 is fixed on the surface of the equipment frame 1, and the bending center rod 3 is arranged in the support base 2;

[0030] A position limiting and pushing component 5, which is arranged on the equipment frame 1;

[0031] The electric heating coil 4 is installed on the equipment frame 1;

[0032] A support conveying assembly 6, wherein the support conveying assembly 6 is arranged on the support seat 2 and the equipment frame 1;

[0033] The limiting pushing assembly 5 includes a pair of side plates 5-1, the side plates 5-1 are fixed at both ends of the surface of the equipment frame 1, the side surfaces of the side plates 5-1 are provided with limiting hydraulic cylinders 5-2, the limiting hydraulic cylinders 5-2 are fixed on the side surfaces of the side plates 5-1, the output end of the limiting hydraulic cylinder 5-2 is connected to a moving frame 5-3, bottom grooves 5-4 are provided on both sides of the support seat 2, a pushing hydraulic cylinder 5-5 is fixedly connected to the moving frame 5-3, the pushing hydraulic cylinder 5-5 is located in the bottom groove 5-4, and a limiting sleeve 5-6 is provided on the pushing hydraulic cylinder 5-5.

[0034] In this embodiment, in order to achieve the effect of limiting the position and maintaining the pushing of the steel pipe, a limit pushing assembly 5 is designed. Two side plates 5-1 are fixedly connected to the surface of the equipment frame 1. A limit hydraulic cylinder 5-2 is arranged on the side surface of the side plate 5-1. The output end of the limit hydraulic cylinder 5-2 is connected to a moving frame 5-3. A pushing hydraulic cylinder 5-5 is fixedly connected inside the moving frame 5-3. A limit sleeve 5-6 is arranged at the output end of the pushing hydraulic cylinder 5-5. The limit sleeve 5-6 can be controlled by the limit hydraulic cylinder 5-2 to move laterally and clamp the steel pipe when loading, and is pushed by the pushing hydraulic cylinder 5-5 for forming.

[0035] Furthermore, the supporting and conveying assembly 6 includes a plurality of rectangular grooves 6-1, which are opened in the supporting seat 2. A first telescopic cylinder 6-2 is arranged in the rectangular groove 6-1, and an output end of the first telescopic cylinder 6-2 is connected to a supporting wheel 6-3. A pair of circular grooves 6-4 are opened in the supporting seat 2. The circular groove 6-4 is opened in the supporting seat 2. A second telescopic cylinder 6-5 is arranged in the circular groove 6-4, and an output end of the second telescopic cylinder 6-5 is connected to a clamping seat 6-6. A supporting roller 6-7 is arranged on the surface of the equipment frame 1, and the supporting roller 6-7 is located on one side of the electric heating coil 4.

[0036] In this embodiment, in order to achieve the supporting effect when the auxiliary support steel pipe is pushed, a supporting and conveying assembly 6 is designed, and a plurality of rectangular grooves 6-1 are opened in the supporting seat 2, and a first telescopic cylinder 6-2 is installed in the rectangular groove 6-1. The output end of the first telescopic cylinder 6-2 is connected to a supporting wheel 6-3, which is tightened on the outside of the bending center rod 3 and the steel pipe through the supporting wheel 6-3. A circular groove 6-4 is also opened, and a second telescopic cylinder 6-5 is arranged in the circular groove 6-4. The output end of the second telescopic cylinder 6-5 is connected to a clamping seat 6-6, which can be used to clamp and fix the bending center rod 3.

[0037] Furthermore, a notch 7 is provided at one end of the equipment frame 1 , and the notch 7 is located directly below the bent center rod 3 .

[0038] In this embodiment, the notch 7 is provided to avoid the lower end of the bending center rod 3 so that the steel pipe can slide downward after being bent.

[0039] Furthermore, the surface of the support rollers 6-7 is an inclined structural surface with a concave structure.

[0040] In this embodiment, the molded center rod can be kept in the middle position through the concave inclined structure.

[0041] Furthermore, the moving frame 5 - 3 is connected to both ends of the limiting hydraulic cylinder 5 - 2 , and the bottom surface of the moving frame 5 - 3 is slidably fitted with the surface of the equipment frame 1 .

[0042] In this embodiment, the moving frame 5 - 3 is slidably fitted with the surface of the equipment frame 1 , making the movement more stable.

[0043] Furthermore, side grooves 8 are provided on both side surfaces of the equipment frame 1 , and the side grooves 8 are located between the support seat 2 and the electric heating coil 4 .

[0044] In this embodiment, the side grooves 8 are provided so that the center position is convenient for workers to operate at close range.

[0045] When processing is required, the steel pipe is inserted into the bending center rod 3, and after passing through the support seat 2, the second telescopic cylinder 6-5 is started to make the clamping seat 6-6 fix the bending center rod 3, and then the limiting hydraulic cylinder 5-2 is started to push the moving frame 5-3, so that the limiting sleeve frame 5-6 at the output end of the pushing hydraulic cylinder 5-5 clamps the steel pipe, and then the pushing hydraulic cylinder 5-5 is started to push the steel pipe and start the electric heating coil 4 to start heating, pushing the steel pipe to move slowly, and after forming, it falls downward at the notch 7, and then the loading is repeated.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Seamless steel pipe pushing machine, characterized in that: include An equipment frame (1), a support base (2) and a bent center rod (3), wherein the support base (2) is fixed on the surface of the equipment frame (1), and the bent center rod (3) is arranged inside the support base (2); A position-limiting and pushing assembly (5), wherein the position-limiting and pushing assembly (5) is arranged on the equipment frame (1); An electric heating coil (4), wherein the electric heating coil (4) is mounted on the equipment frame (1); A support conveying assembly (6), wherein the support conveying assembly (6) is arranged on the support seat (2) and the equipment frame (1); The limiting pushing assembly (5) comprises a pair of side plates (5-1), the side plates (5-1) being fixed at both ends of the surface of the equipment frame (1), the side surfaces of the side plates (5-1) being provided with limiting hydraulic cylinders (5-2), the limiting hydraulic cylinders (5-2) being fixed on the side surfaces of the side plates (5-1), and the output ends of the limiting hydraulic cylinders (5-2) being connected to the moving frame (5-3).

2. The seamless steel pipe pushing machine according to claim 1, characterized in that: Bottom grooves (5-4) are provided on both sides of the support seat (2); a pusher hydraulic cylinder (5-5) is fixedly connected inside the movable frame (5-3); the pusher hydraulic cylinder (5-5) is located inside the bottom groove (5-4); and a limiting sleeve frame (5-6) is provided on the pusher hydraulic cylinder (5-5).

3. The seamless steel pipe pushing machine according to claim 1, characterized in that: The support conveying assembly (6) comprises a plurality of rectangular grooves (6-1), wherein the rectangular grooves (6-1) are provided in the support seat (2), a first telescopic cylinder (6-2) is provided in the rectangular groove (6-1), an output end of the first telescopic cylinder (6-2) is connected to a support wheel (6-3), and a pair of circular grooves (6-4) are provided in the support seat (2).

4. The seamless steel pipe pushing machine according to claim 3, characterized in that: The circular groove (6-4) is opened in the support seat (2), a second telescopic cylinder (6-5) is arranged in the circular groove (6-4), an output end of the second telescopic cylinder (6-5) is connected to a clamping seat (6-6), a support roller (6-7) is arranged on the surface of the equipment frame (1), and the support roller (6-7) is located on one side of the electric heating coil (4).

5. The seamless steel pipe pushing machine according to claim 1, characterized in that: A notch (7) is provided at one end of the equipment frame (1), and the notch (7) is located directly below the bent center rod (3).

6. The seamless steel pipe pushing machine according to claim 4, characterized in that: The surface of the supporting roller (6-7) is an inclined structural surface with a concave structure.

7. The seamless steel pipe pushing machine according to claim 1, characterized in that: The movable frame (5-3) is connected to both ends of the limit hydraulic cylinder (5-2), and the bottom surface of the movable frame (5-3) is slidably fitted with the surface of the equipment frame (1).

8. The seamless steel pipe pushing machine according to claim 1, characterized in that: Side grooves (8) are provided on both side surfaces of the equipment frame (1), and the side grooves (8) are located between the support seat (2) and the electric heating coil (4).

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