A manufacturing and processing mold for polyethylene thermal insulation pipe

Abstract

The utility model discloses a manufacturing and processing mold for a polyethylene thermal insulation pipe, comprising a mold base, a conveying mold barrel is installed on the top of the mold base, a polyethylene thermal insulation pipe is placed inside the conveying mold barrel, two rows of movable holes are symmetrically opened on the top of the conveying mold barrel, movable rods are movably connected inside the two rows of movable holes, a long connecting rod is connected to the top of the movable rod, and a limiting spring is connected to the bottom end of the long connecting rod. The utility model supports the polyethylene thermal insulation pipe inside the conveying mold barrel by arranging a limiting ball and a pushing ball, so that the conveying of the polyethylene thermal insulation pipe is more stable, a partition block, a measuring rod, a fixing nut, a scale line and a shift rod are arranged on the top of the conveying mold barrel, and the measuring rod is pulled out and fixed by adjusting the position of the measuring rod, and can be adjusted according to the cutting length. When the polyethylene thermal insulation pipe moves, it is pressed against the shift rod to reach the cutting length, which is convenient for subsequent cutting.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation pipe manufacturing, in particular to a manufacturing and processing mold for a polyethylene thermal insulation pipe. Background Art

[0002] Insulated pipe is the abbreviation of insulated pipe. Insulated pipe is used for the transportation of liquid, gas and other media. It is used for thermal insulation of pipelines in petroleum, chemical industry, aerospace, hot spring, military, central heating, central air conditioning, municipal and other fields. Insulated pipe is suitable for transporting various media in the range of -50℃-150℃. Common polyurethane insulated pipe has three layers from inside to outside: the first layer is the working steel pipe layer, the second layer is the polyurethane insulation layer, and the third layer is the high-density polyethylene protective layer. When manufacturing and processing polyethylene pipes, the insulated pipe composed of the polyethylene protective layer needs to extrude the raw materials to form a pipe, transport it through a conveying mold, and finally cut it through a cutting mold;

[0003] However, the molds currently used in the production and processing of polyethylene insulated pipes are unable to limit and measure the pipes during transportation, resulting in instability during transportation and poor control of cutting length. Utility Model Content

[0004] The utility model provides a manufacturing and processing mold for polyethylene insulated pipes, which can effectively solve the problem proposed in the above background technology that the molds currently used in the manufacturing and processing of polyethylene insulated pipes cannot limit and measure the pipes during transportation, resulting in instability during transportation and poor control of cutting length.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a manufacturing and processing mold for polyethylene thermal insulation pipe, comprising a mold base, a conveying mold barrel is installed on the top of the mold base, a polyethylene thermal insulation pipe is placed inside the conveying mold barrel, two rows of movable holes are symmetrically opened on the top of the conveying mold barrel, movable rods are movably connected inside the two rows of movable holes, a long connecting rod is connected to the top of the movable rod, a limiting spring is connected to the bottom end of the long connecting rod, a connecting frame is connected to the bottom end of the movable rod, a plurality of connecting shafts are installed on the inner side of the connecting frame, a limiting ball is rotatably sleeved on the outside of the connecting shaft, two rows of fixed rods are symmetrically installed on the inner side of the conveying mold barrel, a fixed frame is installed on the top of the fixed rod, a plurality of fixed shafts are installed on the inside of the fixed frame, and a pushing ball is rotatably sleeved on the outside of the fixed shaft;

[0006] Fixed side blocks are installed at both ends of the top of the conveying mold barrel, and a number of partition blocks are equidistantly installed on the top of the conveying mold barrel. A measuring rod is clamped in the middle of the fixed side blocks and the partition blocks. A fixing nut is threadedly connected to one end of the measuring rod. Scale lines are etched on the outside of the measuring rod, and a gear rod is installed at the other end of the measuring rod.

[0007] Preferably, one end of the bottom of the limit spring is connected to the outside of the conveying mold cylinder, and two long connecting rods are provided, and each long connecting rod is connected to the movable rods in the same row.

[0008] Preferably, the top of the polyethylene thermal insulation pipe is in rolling contact with a limiting ball, and the bottom of the polyethylene thermal insulation pipe is in rolling contact with a pushing ball.

[0009] Preferably, the gear rod is perpendicular to the measuring rod, and the length of the gear rod is equal to the outer radius of the conveying mold cylinder.

[0010] Preferably, movable circular holes are symmetrically provided at the bottom of the mold base, a limiting thin rod is clamped inside the movable circular hole, a movable seat is installed at one end of the limiting thin rod, a movable wheel is connected to the bottom of the movable seat, and a slot is provided on the top of the movable seat.

[0011] Preferably, one end of the polyethylene insulation pipe is engaged with a slot on the top of the movable seat, and the bottom end of the movable wheel and the bottom end of the mold base are both placed on the ground.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a scientific and reasonable structure and is safe and convenient to use:

[0013] 1. By setting a limit ball and a push ball to support the polyethylene insulation pipe inside the conveying mold barrel, the conveying of the polyethylene insulation pipe is more stable. A partition block, a measuring rod, a fixing nut, a scale line and a gear rod are set on the top of the conveying mold barrel. By adjusting the position of the measuring rod, the measuring rod is pulled out and fixed, and can be adjusted according to the cutting length. When the polyethylene insulation pipe moves, it is pressed against the gear rod to reach the cutting length, which is convenient for subsequent cutting.

[0014] 2. By setting a movable circular hole, a limiting thin rod, a movable seat, a movable wheel and a slot, when the polyethylene insulation pipe moves out of the conveying mold cylinder, it is engaged with the slot position of the movable seat and pushes the movable seat to move, which can support one end of the polyethylene insulation pipe, making it difficult to sag and bend, making the length measurement more accurate and convenient for subsequent cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the installation of the fixing rod of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the long connecting rod of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the fixed frame of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the utility model limit thin rod;

[0022] Figure 6 This is a schematic diagram of the transportation of the polyethylene thermal insulation pipe of the utility model;

[0023] Numbers in the figure: 1. mold base; 2. conveying mold cylinder; 3. movable hole; 4. movable rod; 5. long connecting rod; 6. limit spring; 7. connecting frame; 8. connecting shaft; 9. limit ball; 10. fixed rod; 11. fixed frame; 12. fixed shaft; 13. pushing ball; 14. fixed side block; 15. separator block; 16. measuring rod; 17. fixing nut; 18. scale line; 19. gear lever; 20. movable round hole; 21. limit thin rod; 22. moving seat; 23. moving wheel; 24. slot; 25. polyethylene insulation pipe. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0025] Example: Figure 1-6 As shown, the utility model provides a technical solution, a polyethylene insulation pipe manufacturing and processing mold, including a mold base 1, a conveying mold barrel 2 is installed on the top of the mold base 1, a polyethylene insulation pipe 25 is placed inside the conveying mold barrel 2, two rows of movable holes 3 are symmetrically opened on the top of the conveying mold barrel 2, and movable rods 4 are movably connected inside the two rows of movable holes 3, and a long connecting rod 5 is connected to the top of the movable rod 4. The bottom end of the long connecting rod 5 is connected to a limiting spring 6, and one end of the bottom of the limiting spring 6 is connected to the outside of the conveying mold barrel 2, so that the limiting spring 6 can fix two long connecting rods 5, and each long connecting rod 5 is connected to the same row of movable rods. The movable rod 4 is connected to facilitate the connection between the long connecting rod 5 and the movable rod 4. The bottom end of the movable rod 4 is connected to a connecting frame 7. A plurality of connecting shafts 8 are installed on the inner side of the connecting frame 7. The outer side of the connecting shaft 8 is rotatably sleeved with a limiting ball 9. Two rows of fixed rods 10 are symmetrically installed on the inner side of the conveying mold cylinder 2. A fixed frame 11 is installed on the top of the fixed rod 10. A plurality of fixed shafts 12 are installed on the inner side of the fixed frame 11. A push ball 13 is rotatably sleeved on the outer side of the fixed shaft 12. The top of the polyethylene insulation pipe 25 is in rolling contact with the limiting ball 9, and the bottom of the polyethylene insulation pipe 25 is in rolling contact with the push ball 13, which is convenient for limiting the polyethylene insulation pipe 25.

[0026] Fixed side blocks 14 are installed at both ends of the top of the conveying mold barrel 2, and a number of partition blocks 15 are equidistantly installed on the top of the conveying mold barrel 2. A measuring rod 16 is clamped in the middle of the fixed side blocks 14 and the partition blocks 15. A fixing nut 17 is threadedly connected to one end of the measuring rod 16. A scale line 18 is etched on the outside of the measuring rod 16. A gear rod 19 is installed at the other end of the measuring rod 16. The gear rod 19 is perpendicular to the measuring rod 16, and the length of the gear rod 19 is equal to the outer radius of the conveying mold barrel 2. The measuring rod 16 is fixed in a suitable position, and the moving length of the polyethylene insulation pipe 25 is controlled by the gear rod 19, so as to facilitate the control of the cutting length.

[0027] A movable circular hole 20 is symmetrically provided at the bottom of the mold base 1, and a limiting thin rod 21 is clamped inside the movable circular hole 20. A movable seat 22 is installed at one end of the limiting thin rod 21. A movable wheel 23 is connected to the bottom of the movable seat 22. A slot 24 is provided at the top of the movable seat 22. One end of a polyethylene insulation pipe 25 is clamped with the slot 24 at the top of the movable seat 22 to support the polyethylene insulation pipe 25. The bottom end of the movable wheel 23 and the bottom end of the mold base 1 are both placed on the ground to facilitate the movement of the movable wheel 23.

[0028] The working principle and use process of the utility model are as follows: after the polyethylene insulation tube 25 is extruded, one end thereof enters the interior of the conveying mold barrel 2, and the long connecting rod 5 is pulled upward, so that the bottom of the polyethylene insulation tube 25 rolls and contacts with the pushing ball 13, the long connecting rod 5 is released, the movable rod 4 and the limiting ball 9 move downward, the limiting spring 6 is compressed, and the limiting ball 9 rolls and contacts with the top of the polyethylene insulation tube 25, so that the polyethylene insulation tube 25 can be conveyed stably;

[0029] When the polyethylene insulation pipe 25 is transported, the fixing nut 17 at one end of the measuring rod 16 at the top of the conveying mold barrel 2 is unscrewed, and the measuring rod 16 is moved according to the required cutting length, so that the length from the stop rod 19 at one end of the measuring rod 16 to one end of the conveying mold barrel 2 is the cutting length, and the stop rod 19 at one end of the measuring rod 16 is rotated to a vertical downward state, and then the fixing nut 17 is re-tightened with the measuring rod 16 to limit the measuring rod 16;

[0030] As the polyethylene insulation tube 25 moves, it will first pass through one end of the conveying mold barrel 2 and engage with the card slot 24 on the top of the moving seat 22, and then push the moving seat 22 to move together. The limiting thin rod 21 moves in the movable circular hole 20 as the moving seat 22 moves. Finally, the polyethylene insulation tube 25 moves to the position of the gear lever 19 and is tightly pressed against the gear lever 19. At this time, the polyethylene insulation tube 25 can be cut at the outlet end of the conveying mold barrel 2.

[0031] Through the conveying of the limiting ball 9 and the pushing ball 13, the polyethylene insulated tube 25 is made more stable. By adjusting the position of the measuring rod 16, different cutting lengths can be measured, which facilitates cutting of the polyethylene insulated tube 25 of the required length. When the polyethylene insulated tube 25 moves out of the conveying mold cylinder 2, it is engaged with the card slot 24 on the top of the movable seat 22, so as to support one end of the polyethylene insulated tube 25.

[0032] Finally, it should be noted that the above description is only a preferred example of the present utility model and is not intended to limit the present utility model. Although the present utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A mold for manufacturing and processing a polyethylene thermal insulation pipe, comprising a mold base (1), characterized in that: A conveying mold barrel (2) is installed on the top of the mold base (1), a polyethylene insulation pipe (25) is placed inside the conveying mold barrel (2), two rows of movable holes (3) are symmetrically opened on the top of the conveying mold barrel (2), movable rods (4) are movably connected inside the two rows of movable holes (3), the top of the movable rod (4) is connected to a long connecting rod (5), the bottom end of the long connecting rod (5) is connected to a limit spring (6), the bottom end of the movable rod (4) is connected to a connecting frame (7), the inner side of the connecting frame (7) is installed with a plurality of connecting shafts (8), the outer side of the connecting shaft (8) is rotatably sleeved with a limit ball (9), and two rows of fixed rods (10) are symmetrically installed on the inner side of the conveying mold barrel (2), the top of the fixed rod (10) is installed with a fixed frame (11), the inner side of the fixed frame (11) is installed with a plurality of fixed shafts (12), and the outer side of the fixed shaft (12) is rotatably sleeved with a pushing ball (13); Both ends of the top of the conveying mold barrel (2) are equipped with fixed side blocks (14), and a plurality of partition blocks (15) are equidistantly installed on the top of the conveying mold barrel (2). A measuring rod (16) is clamped in the middle of the fixed side blocks (14) and the partition blocks (15), and one end of the measuring rod (16) is threadedly connected with a fixing nut (17). The outer surface of the measuring rod (16) is etched with a scale line (18), and the other end of the measuring rod (16) is equipped with a shift rod (19).

2. The mold for manufacturing and processing a polyethylene thermal insulation pipe according to claim 1, characterized in that: One end of the bottom of the limit spring (6) is connected to the outside of the conveying mold cylinder (2), and two long connecting rods (5) are provided, and each long connecting rod (5) is connected to the movable rod (4) in the same row.

3. The mold for manufacturing and processing a polyethylene thermal insulation pipe according to claim 1, characterized in that: The top of the polyethylene thermal insulation pipe (25) is in rolling contact with the limiting ball (9), and the bottom of the polyethylene thermal insulation pipe (25) is in rolling contact with the pushing ball (13).

4. The mold for manufacturing and processing a polyethylene thermal insulation pipe according to claim 1, characterized in that: The gear rod (19) is perpendicular to the measuring rod (16), and the length of the gear rod (19) is equal to the outer radius of the conveying mold cylinder (2).

5. The mold for manufacturing and processing a polyethylene thermal insulation pipe according to claim 1, characterized in that: The bottom of the mold base (1) is symmetrically provided with movable circular holes (20), a limiting thin rod (21) is clamped inside the movable circular hole (20), one end of the limiting thin rod (21) is installed with a movable seat (22), the bottom of the movable seat (22) is connected to a movable wheel (23), and the top of the movable seat (22) is provided with a clamping groove (24).

6. The mold for manufacturing and processing a polyethylene thermal insulation pipe according to claim 5, characterized in that: One end of the polyethylene insulation pipe (25) is engaged with a slot (24) at the top of the moving seat (22), and the bottom end of the moving wheel (23) and the bottom end of the mold base (1) are both placed on the ground.

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