Plastic-lined composite steel pipe sleeving device

Abstract

The utility model discloses a lining plastic composite steel pipe sleeving device which comprises a first working frame and a second working frame which are connected with each other, two sets of pipe supporting assemblies are installed on the first working frame, a steel pipe is placed on the pipe supporting assemblies, a clamping assembly is installed on the first working frame, and a moving frame is connected to the second working frame in a sliding mode. The movable frame is controlled to move through a driving assembly installed on the second working frame, a first hydraulic cylinder is connected to the side, close to the first working frame, of the movable frame, a pull rod is connected to the telescopic end driving the first hydraulic cylinder, a clamping block is connected to the other end of the pull rod, and the pull rod is sleeved with an outer sleeve. One end of the outer sleeve is connected with the movable frame through a connecting piece, the other end of the outer sleeve is connected with a flared pipe, the end of the clamping block can be inserted into the flared pipe, and the diameter of the clamping block is smaller when the clamping block is closer to the flared pipe. The PE pipe can be driven to penetrate into the steel pipe through the clamping block and the flaring pipe, the steps of manual operation are reduced, and the machining efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of composite steel pipe processing equipment, in particular to a plastic-lined composite steel pipe casing device. Background Art

[0002] The plastic-lined steel pipe is based on galvanized pipe and welded steel pipe. After removing the weld ribs from the inner wall, a food-grade polyethylene (PE) pipe with the same diameter as the inner diameter of the galvanized pipe is inserted. Finally, it is pressurized and heated for a certain period of time to form it. It is widely used in the cold and hot water supply systems of various buildings. In the process of producing composite pipes with plastic-lined steel pipes, PE pipes need to be installed on the inner wall of the steel pipe.

[0003] In the process of producing composite pipes with PE pipe lined inside steel pipes, installing PE pipes inside steel pipes is a prerequisite for producing composite pipes.

[0004] At present, this process requires a lot of manual work, the processing efficiency is low, and the operation is complicated. Utility Model Content

[0005] The utility model aims to provide a plastic-lined composite steel pipe casing device to solve the above-mentioned problems.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The utility model discloses a plastic-lined composite steel pipe casing device, comprising two connected first working frames and a second working frame, wherein two groups of trustee assemblies are installed on the first working frame, and steel pipes are placed on the trustee assemblies, wherein a clamping assembly is installed on the first working frame, and a moving frame is slidably connected to the second working frame, and the moving frame is controlled to move by a driving assembly installed on the second working frame, and a first hydraulic cylinder is connected to the moving frame on a side close to the first working frame, and a pull rod is connected to the telescopic end of the first hydraulic cylinder, and a clamping block is connected to the other end of the pull rod, and an outer sleeve is provided on the outside of the pull rod, and one end of the outer sleeve is connected to the moving frame through a connecting piece, and the other end of the outer sleeve is connected to a flaring tube, and the end of the clamping block can be inserted into the flaring tube, and the diameter of the clamping block is smaller as it is closer to the flaring tube.

[0008] Furthermore, the hosting assembly includes a plurality of supporting wheels, the supporting wheels are connected to the first working frame via a rotating shaft and a bearing, and the steel pipe is placed on the supporting wheels.

[0009] Furthermore, the clamping assembly includes a lower clamping plate connected to the first working frame and an upper clamping plate arranged above the lower clamping plate, the upper clamping plate is controlled to rise and fall by a second hydraulic cylinder, the second hydraulic cylinder is connected to the first working frame through a mounting frame, and a plurality of semicircular clamping grooves are provided on the opposite sides of the lower clamping plate and the upper clamping plate.

[0010] Furthermore, an anti-slip layer is provided in the clamping groove.

[0011] Furthermore, a slide rail is provided on the top of the second working frame, a slide groove is provided on the bottom of the movable frame, and the movable frame is slidably connected to the slide rail via the slide groove.

[0012] Furthermore, the driving assembly includes a servo motor installed on the second working frame, the output end of the servo motor passes through the second working frame and is connected to a screw rod, the other end of the screw rod is connected to the second working frame through a bearing, a screw rod sleeve is threadedly connected to the screw rod, and the top of the screw rod sleeve is connected to the bottom of the movable frame.

[0013] Compared with the prior art, the beneficial technical effects of the utility model are:

[0014] The utility model can drive the PE pipe to penetrate into the steel pipe through the clamping block and the expanding pipe, thereby reducing the steps of manual operation and greatly improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 This is the front view of the plastic-lined composite steel pipe casing device of the utility model;

[0017] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 for Figure 1 Enlarged view of point B in the middle;

[0019] Figure 4 This is the main view of the plastic-lined composite steel pipe casing device of the utility model when in use;

[0020] Figure 5 This is a top view of the plastic-lined composite steel pipe casing device of the utility model when in use;

[0021] Figure 6 is a cross-sectional view of the second working frame;

[0022] Figure 7 Schematic diagram of the lower clamping plate and the upper clamping plate;

[0023] Explanation of the reference numerals in the accompanying drawings: 1. first working frame; 2. second working frame; 3. moving frame; 4. first hydraulic cylinder; 5. pull rod; 6. block; 7. outer sleeve; 8. connecting piece; 9. flared pipe; 10. lower clamping plate; 11. upper clamping plate; 12. second hydraulic cylinder; 13. mounting frame; 14. clamping groove; 15. anti-slip layer; 16. slide rail; 17. servo motor; 18. screw; 19. screw sleeve; 20. supporting wheel. DETAILED DESCRIPTION

[0024] like Figure 1-7 As shown, a plastic-lined composite steel pipe casing device includes two connected first working frames 1 and second working frames 2, two sets of trustee assemblies are installed on the first working frame 1, and steel pipes are placed on the trustee assemblies. The trustee assemblies include a plurality of supporting wheels 20, and the supporting wheels 20 are connected to the first working frame 1 through a rotating shaft and a bearing, and the steel pipes are placed on the supporting wheels 20.

[0025] A clamping assembly is installed on the first working frame 1, and the clamping assembly includes a lower clamping plate 10 connected to the first working frame 1 and an upper clamping plate 11 arranged above the lower clamping plate 10. The upper clamping plate 11 is controlled to rise and fall by a second hydraulic cylinder 12. The second hydraulic cylinder 12 is connected to the first working frame 1 through a mounting frame 13. A plurality of semicircular clamping grooves 14 are provided on the opposite sides of the lower clamping plate 10 and the upper clamping plate 11, and an anti-slip layer 15 is provided in the clamping groove 14.

[0026] The second working frame 2 is slidably connected to a moving frame 3 . A slide rail 16 is disposed on the top of the second working frame 2 . A slide groove is disposed on the bottom of the moving frame 3 . The moving frame 3 is slidably connected to the slide rail 16 via the slide groove.

[0027] The movement of the movable frame 3 is controlled by a driving assembly installed on the second working frame 2, and the driving assembly includes a servo motor 17 installed on the second working frame 2. The output end of the servo motor 17 passes through the second working frame 2 and is connected to a screw rod 18. The other end of the screw rod 18 is connected to the second working frame 2 through a bearing. A screw rod sleeve 19 is threadedly connected to the screw rod 18, and the top of the screw rod sleeve 19 is connected to the bottom of the movable frame 3.

[0028] The movable frame 3 is connected to a first hydraulic cylinder 4 on one side close to the first working frame 1, and a pull rod 5 is connected to the telescopic end driving the first hydraulic cylinder 4, and a clamping block 6 is connected to the other end of the pull rod 5. An outer sleeve 7 is provided on the outside of the pull rod 5, and one end of the outer sleeve 7 is connected to the movable frame 3 through a connecting piece 8, and the other end of the outer sleeve 7 is connected to a flaring tube 9, and the end of the clamping block 6 can be inserted into the flaring tube 9, and the diameter of the clamping block 6 is smaller as it is closer to the flaring tube 9.

[0029] The action process of the utility model is as follows:

[0030] When in use, the steel pipe is placed on the supporting wheel 20, and one end of the steel pipe is placed in the clamping groove 14 opened on the lower clamping plate 10, and then the second hydraulic cylinder 12 controls the upper clamping plate 11 to descend until the upper clamping plate 11 and the lower clamping plate 10 clamp the steel pipe, and then the servo motor 17 is started, and the moving frame 3 is driven to move toward the direction of the steel pipe through the screw rod 18, and the clamping block 6 and the expanded pipe 9 are placed in the steel pipe, until the clamping block 6 and the expanded pipe 9 come out from the other end of the steel pipe, and the servo motor 17 stops working, and then the first hydraulic cylinder 4 works to make The clamping block 6 and the flared tube 9 are disengaged, and then one end of the PE tube is put on the clamping block 6, and then the telescopic end of the first hydraulic cylinder 4 is retracted, so that the clamping block 6 moves with the end of the PE tube until the end of the PE tube is clamped in the clamping block 6 and the flared tube 9, and then the servo motor 17 is reversed, and the moving frame 3 drives the pull rod 5 and the outer sleeve 7 to move, thereby driving the PE tube into the steel pipe until the clamped end of the PE tube passes through the other end of the steel pipe and stops, and then the telescopic end of the first hydraulic cylinder 4 is extended, so that the clamping block 6 and the flared tube 9 no longer clamp the PE tube.

[0031] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A plastic-lined composite steel pipe casing device, characterized in that: The invention comprises two connected first working frames (1) and second working frames (2), wherein two sets of trustee assemblies are installed on the first working frame (1), steel pipes are placed on the trustee assemblies, a clamping assembly is installed on the first working frame (1), a moving frame (3) is slidably connected to the second working frame (2), the moving frame (3) is controlled to move by a driving assembly installed on the second working frame (2), and the moving frame (3) is connected to a first hydraulic cylinder ( 4), a pull rod (5) is connected to the telescopic end of the first hydraulic cylinder (4), the other end of the pull rod (5) is connected to a clamping block (6), the outer sleeve of the pull rod (5) is provided with an outer sleeve (7), one end of the outer sleeve (7) is connected to the movable frame (3) through a connecting piece (8), the other end of the outer sleeve (7) is connected to a flaring tube (9), the end of the clamping block (6) can be inserted into the flaring tube (9), and the diameter of the clamping block (6) is smaller as it is closer to the flaring tube (9).

2. The plastic-lined composite steel pipe casing device according to claim 1, characterized in that: The hosting assembly comprises a plurality of supporting wheels (20), wherein the supporting wheels (20) are connected to the first working frame (1) via rotating shafts and bearings, and the steel pipe is placed on the supporting wheels (20).

3. The plastic-lined composite steel pipe casing device according to claim 1, characterized in that: The clamping assembly comprises a lower clamping plate (10) connected to the first working frame (1) and an upper clamping plate (11) arranged above the lower clamping plate (10); the upper clamping plate (11) is controlled to rise and fall by a second hydraulic cylinder (12); the second hydraulic cylinder (12) is connected to the first working frame (1) via a mounting frame (13); and a plurality of semicircular clamping grooves (14) are provided on two opposite surfaces of the lower clamping plate (10) and the upper clamping plate (11).

4. The plastic-lined composite steel pipe casing device according to claim 3, characterized in that: An anti-slip layer (15) is provided in the clamping groove (14).

5. The plastic-lined composite steel pipe casing device according to claim 1, characterized in that: A slide rail (16) is provided on the top of the second working frame (2), a slide groove is provided on the bottom of the moving frame (3), and the moving frame (3) is slidably connected to the slide rail (16) via the slide groove.

6. The plastic-lined composite steel pipe casing device according to claim 1, characterized in that: The driving assembly comprises a servo motor (17) mounted on the second working frame (2); an output end of the servo motor (17) passes through the second working frame (2) and is connected to a screw rod (18); the other end of the screw rod (18) is connected to the second working frame (2) via a bearing; a screw rod sleeve (19) is threadedly connected to the screw rod (18); and the top of the screw rod sleeve (19) is connected to the bottom of the moving frame (3).

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