Three-way pipe fitting lining pouring mold

Abstract

The utility model discloses a three-way pipe fitting lining pouring mold which is used for pouring linings of a three-way pipe fitting main pipe and a three-way pipe fitting branch pipe, flange plates are arranged at the two ends of the three-way pipe fitting main pipe respectively, the three-way pipe fitting main pipe comprises a first inner mold core pipe, a second inner mold core pipe and two blind plate flanges, the first inner mold core pipe is arranged in the three-way pipe fitting main pipe, and the second inner mold core pipe is arranged in the three-way pipe fitting branch pipe. The second inner mold core pipe is arranged in a branch pipe of the three-way pipe fitting; the blind plate flanges are respectively connected with the flange plates through bolts; a bottom fixing plate is arranged above the middle of the first inner mold core pipe, an upper end fixing plate and a lower end fixing plate are arranged in the second inner mold core pipe, and the bottom fixing plate, the upper end fixing plate and the lower end fixing plate are jointly in threaded connection with a long screw rod; the blind plate flange is movably connected with the first inner mold core pipe, so that the position of the blind plate flange can be adjusted according to the lengths of main pipes of different three-way pipe fittings; and the second inner mold core pipe can be tightly connected to the first inner mold core pipe by rotating the long screw rod, so that a gap between the second inner mold core pipe and the first inner mold core pipe is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe fitting lining casting moulds, in particular to a three-way pipe fitting lining casting mould. Background Art

[0002] The tee pipe fitting is a kind of pipe fitting. In its application, it involves pouring or bonding a specific lining inside it, such as improving the anti-corrosion performance and wear resistance. For the processing of the lining of the tee pipe fitting, the lining casting mold of the tee pipe fitting is used. For the lining casting mold of the tee pipe fitting, in the prior art, after searching, the utility model patent with the Chinese patent publication number CN111750194B discloses a mold, a processing device and a method for processing the wear-resistant layer of the iron tee lining, such as Figure 1 As shown, it is mainly used on a tee pipe fitting a, comprising a first inner mold core tube, a second inner mold core tube and a connecting flange b, one end of the first inner mold core tube is provided with a first blind flange c, one end of the second inner mold core tube is provided with a second blind flange d, the first inner mold core tube is sleeved on the inner side of the tee pipe fitting main pipe, and the first blind flange c is connected to the first flange e on one side of the tee pipe fitting main pipe, the connecting flange b is connected to the second flange f on the other side of the tee pipe fitting main pipe, the second inner mold core tube is sleeved on the inner side of the tee pipe fitting branch pipe, and the second blind flange d is connected to the third flange g at the end of the tee pipe fitting branch pipe.

[0003] In the prior art, the tee pipe fitting lining casting mold similar to the above technical solution is found to have room for improvement during actual implementation: the end of the first inner mold core tube is fixedly connected to the first blind flange, the end of the second inner mold core tube is fixedly connected to the second blind flange, and the first inner mold core tube is fixed by fixing the first blind flange to the first flange on the tee pipe fitting main pipe, and the second inner mold core tube is fixed and positioned by connecting the second blind flange to the third flange of the tee pipe fitting branch pipe. Because the first blind flange and the first inner mold core tube are not adjustable, and the second blind flange and the second inner mold core tube are not adjustable, it is not only not suitable for tee pipe fittings of different lengths, resulting in a small scope of application, but also after the first inner mold core tube and the second inner mold core tube are fixed, due to factors such as length manufacturing errors, a large gap is easily formed between the first inner mold core tube and the second inner mold core tube, causing the casting material to leak into the connection gap between the first inner mold core tube and the second inner mold core tube, affecting the overall casting effect of the lining. Utility Model Content

[0004] In view of the deficiencies and defects in the prior art, the purpose of the utility model is to provide a three-way pipe lining casting mold, which solves the problem that the three-way pipe lining casting mold in the prior art is not suitable for three-way pipes of different lengths, resulting in a small scope of application; and the problem that a large gap is easily present between the first inner mold core tube and the second inner mold core tube, causing the casting material to leak into the connecting gap between the first inner mold core tube and the second inner mold core tube, affecting the overall casting effect of the lining.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a three-way pipe fitting lining casting mold, used for casting the lining of the three-way pipe fitting main pipe and the three-way pipe fitting branch pipe, wherein the two ends of the three-way pipe fitting main pipe are respectively provided with flanges, including a first inner mold core pipe, a second inner mold core pipe and two blind flanges, the first inner mold core pipe is sleeved inside the three-way pipe fitting main pipe, and a gap is provided between the outer wall of the first inner mold core pipe and the inner wall of the three-way pipe fitting main pipe, and the two ends of the first inner mold core pipe extend out of the two ends of the three-way pipe fitting main pipe, and the second inner mold core pipe is provided at the inner wall of the three-way pipe fitting main pipe. The pipe sleeve is arranged inside the three-way pipe fitting branch pipe, and a gap is arranged between the outer wall of the second inner mold core pipe and the inner wall of the three-way pipe fitting branch pipe, the two blind flanges are respectively connected with the two flange bolts, and the two blind flanges are clamped on the outside of the first inner mold core pipe; a bottom fixing plate is arranged above the middle part of the first inner mold core pipe, and an upper fixing plate and a lower fixing plate are arranged inside the second inner mold core pipe, the bottom fixing plate, the upper fixing plate and the lower fixing plate are threadedly connected with a long screw rod, and a vent hole communicating with the gap is arranged on the blind flange.

[0006] As a further improvement of the utility model, the top of the long screw extends out of the upper end of the second inner mold core tube.

[0007] As a further improvement of the present invention, a through hole groove is opened above the middle of the first inner mold core tube, and the bottom fixing plate is arranged in the through hole groove.

[0008] As a further improvement of the utility model, a nut is fixed above the upper fixing plate and the bottom fixing plate, and the nut cooperates with the long screw thread.

[0009] As a further improvement of the utility model, the upper end fixing plate and the lower end fixing plate are respectively arranged at the upper end and the lower end inside the tube of the second inner mold core tube.

[0010] As a further improvement of the utility model, the thickness of the gap is the same as the thickness of the inner lining of the tee pipe fitting.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. By setting a first inner mold core tube and a second inner mold core tube, the first inner mold core tube is inserted into the main tube of the three-way pipe fitting, the blind flange is connected to the flange plate, and the blind flange clamps the first inner mold core tube, that is, the blind flange is movably connected to the first inner mold core tube, so the position of the blind flange can be adjusted according to the length of the different main tubes of the three-way pipe fittings; and the second inner mold core tube is arranged in the three-way pipe fitting branch tube, and the upper end fixing plate and the lower end fixing plate on the second inner mold core tube are threadedly connected with the bottom fixing plate on the first inner mold core tube through a long screw rod. Therefore, when the second inner mold core tube and the first inner mold core tube are positioned and connected, the long screw rod can be rotated to tightly connect the second inner mold core tube to the first inner mold core tube, so the second inner mold core tube can be suitable for three-way pipe fitting branches of different lengths, and then can be suitable for three-way pipe fittings of different lengths;

[0013] In addition, the rotation of the long screw can adjust the connection tightness between the second inner mold core tube and the first inner mold core tube, reduce the gap between the second inner mold core tube and the first inner mold core tube, and avoid the problem that a gap is easily formed between the first inner mold core tube and the second inner mold core tube due to factors such as length manufacturing errors, causing the casting material to leak into the connection gap between the first inner mold core tube and the second inner mold core tube, affecting the overall casting effect of the lining. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings:

[0015] Figure 1 It is a structural schematic diagram of the prior art;

[0016] Figure 2 It is a structural schematic diagram of the utility model;

[0017] In the figure: 1. main pipe of tee pipe fitting; 2. branch pipe of tee pipe fitting; 3. flange; 4. first inner mold core pipe; 5. second inner mold core pipe; 6. blind flange; 7. gap; 8. bottom fixing plate; 9. upper fixing plate; 10. lower fixing plate; 11. long screw; 12. air vent; 13. through hole groove; 14. nut. DETAILED DESCRIPTION

[0018] The following is combined with Figure 2 The utility model is further described in detail. For a clearer illustration, only the structure related to the utility model is shown in the figure.

[0019] For the convenience of description, the coordinate system is defined as Figure 2 As shown, the left-right direction is the horizontal direction, the front-back direction is the longitudinal direction, and the up-down direction is the vertical direction.

[0020] The utility model embodiment discloses a three-way pipe lining casting mold. Figure 2A tee pipe lining casting mold is used for casting the lining of a tee pipe main pipe 1 and a tee pipe branch pipe 2, wherein flanges 3 are respectively provided at both ends of the tee pipe main pipe 1, including a first inner mold core tube 4, a second inner mold core tube 5 and two blind flanges 6, the first inner mold core tube 4 is sleeved inside the tee pipe main pipe 1, and a gap 7 is provided between the outer wall of the first inner mold core tube 4 and the inner wall of the tee pipe main pipe 1, and the thickness of the gap 7 is the same as the thickness of the tee pipe lining. The two ends of the first inner mold core tube 4 extend out of the two ends of the three-way pipe fitting main tube 1, the second inner mold core tube 5 is sleeved inside the three-way pipe fitting branch tube 2, and a gap 7 is provided between the outer wall of the second inner mold core tube 5 and the inner wall of the three-way pipe fitting branch tube 2, two blind plate flanges 6 are respectively bolted to the two flange plates 3, and the two blind plate flanges 6 are clamped on the outside of the first inner mold core tube 4; a bottom fixing plate 8 is provided above the middle of the first inner mold core tube 4, specifically, a through hole groove 13 is opened above the middle of the first inner mold core tube 4, and the bottom fixing plate 8 is arranged on the through hole groove 13 In the hole groove 13, an upper fixing plate 9 is provided at the upper end of the second inner mold core tube 5, and a lower fixing plate 10 is provided at the lower end of the second inner mold core tube 5. The bottom fixing plate 8, the upper fixing plate 9 and the lower fixing plate 10 are threadedly connected with a long screw 11. In addition, a nut 14 is fixed above the upper fixing plate 9 and the bottom fixing plate 8. The nut 14 is threadedly matched with the long screw 11, and the top of the long screw 11 extends out of the upper end of the second inner mold core tube 5. A vent hole 12 communicating with the gap 7 is provided on the blind plate flange 6.

[0021] When in use, the lining material is injected from the upper end of the gap 7 between the tee pipe branch 2 and the second inner mold core tube 5, and after the lining material is solidified and formed, the first inner mold core tube 4 and the second inner mold core tube 5 are pulled out.

[0022] The utility model sets a first inner mold core tube 4 and a second inner mold core tube 5, and the first inner mold core tube 4 is inserted into the three-way pipe fitting main tube 1, and the blind flange 6 is connected to the flange plate 3, and the blind flange 6 clamps the first inner mold core tube 4, that is, the blind flange 6 is movably connected to the first inner mold core tube 4, so the position of the blind flange 6 can be adjusted according to the length of different three-way pipe fitting main tubes 1; and the second inner mold core tube 5 is set in the three-way pipe fitting branch tube 2, and the upper end fixing plate 9 and the lower end fixing plate 10 on the second inner mold core tube 5 are threadedly connected with the bottom fixing plate 8 on the first inner mold core tube 4 through a long screw 11. Therefore, when the second inner mold core tube 5 and the first inner mold core tube 4 are positioned and connected, the long screw 11 can be rotated to tightly connect the second inner mold core tube 5 to the first inner mold core tube 4, so the second inner mold core tube 5 can be suitable for three-way pipe fitting branches 2 of different lengths, and then can be suitable for three-way pipe fittings of different lengths.

[0023] In addition, the rotation of the long screw 11 can adjust the connection tightness between the second inner mold core tube 5 and the first inner mold core tube 4, reduce the gap 7 between the second inner mold core tube 5 and the first inner mold core tube 4, and avoid the problem that the gap 7 between the first inner mold core tube 4 and the second inner mold core tube 5 is easily formed due to factors such as length manufacturing errors, so that the casting material infiltrates and leaks into the connection gap 7 between the first inner mold core tube 4 and the second inner mold core tube 5, affecting the overall casting effect of the lining.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. It should be understood that the specific implementation methods described herein are only used to understand the present utility model, and are not used to limit the present utility model. All other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present utility model.

Claims

1. A three-way pipe fitting lining casting mold, used for casting the lining of the three-way pipe fitting main pipe and the three-way pipe fitting branch pipe, wherein the two ends of the three-way pipe fitting main pipe are respectively provided with flanges, characterized in that: It comprises a first inner mold core tube, a second inner mold core tube and two blind plate flanges, wherein the first inner mold core tube is sleeved inside the main tube of the tee pipe fitting, and a gap is provided between the outer wall of the first inner mold core tube and the inner wall of the main tube of the tee pipe fitting, and two ends of the first inner mold core tube extend out of two ends of the main tube of the tee pipe fitting, the second inner mold core tube is sleeved inside the branch tube of the tee pipe fitting, and a gap is provided between the outer wall of the second inner mold core tube and the inner wall of the branch tube of the tee pipe fitting, the two blind plate flanges are respectively connected with two flange bolts, and the two blind plate flanges are clamped on the outer side of the first inner mold core tube; a bottom fixing plate is provided above the middle part of the first inner mold core tube, an upper fixing plate and a lower fixing plate are provided inside the tube of the second inner mold core tube, the bottom fixing plate, the upper fixing plate and the lower fixing plate are threadedly connected with a long screw rod, and a vent hole communicating with the gap is provided on the blind plate flange.

2. A three-way pipe lining casting mold according to claim 1, characterized in that: The top of the long screw extends out of the upper end of the second inner mold core tube.

3. A three-way pipe lining casting mold according to claim 1, characterized in that: A through hole groove is provided above the middle of the first inner mold core tube, and the bottom fixing plate is arranged in the through hole groove.

4. A three-way pipe lining casting mold according to claim 1, characterized in that: A nut is fixed on the upper fixing plate and the bottom fixing plate, and the nut is matched with the long screw thread.

5. The tee pipe lining casting mold according to claim 1, characterized in that: The upper end fixing plate and the lower end fixing plate are respectively arranged at the upper end and the lower end inside the tube of the second inner mold core tube.

6. A three-way pipe lining casting mold according to any one of claims 1 to 5, characterized in that: The thickness of the gap is the same as the thickness of the inner lining of the tee pipe fitting.

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