Valve fluorine lining mold

Abstract

The utility model discloses a valve fluorine lining die which comprises a valve body, a middle cavity penetrating up and down is formed in the center of the valve body, flow channels communicated with the middle cavity are formed in the two ends of the valve body, the valve fluorine lining die further comprises a first die body, a second die body and a third die body, the first die body is inserted into the middle cavity from bottom to top, and the second die body abuts against the upper end face of the middle cavity of the valve body. A first gap is formed among the first mold, the second mold and the valve body, the third mold is inserted into and abuts against the first mold through runners at the two ends of the valve body, and a second gap communicated with the first gap is formed among the first mold, the third mold and the valve body. The extrusion forming device has the advantages that direct extrusion forming can be achieved, and the extrusion forming device is simpler, more convenient and more efficient.

Description

Technical Field

[0001] The utility model relates to the field of valve fluorine lining processing, and more specifically, it relates to a valve fluorine lining mold. Background Technique

[0002] In today's valve industry, corrosion-resistant valves have always been a very important type. However, the price of special alloy materials for corrosion resistance is very expensive, and the number of suppliers with corresponding qualifications is not large. Lined valves have great market advantages due to their low cost and good effects.

[0003] Now, many valve manufacturers have developed lined valve varieties. However, in the actual production process, affected by factors such as materials, processes, environment, and personnel technical levels, the production efficiency and finished product rate vary. The process is not convenient enough, which directly affects the competitive advantage of the enterprise's products in the same industry and further affects the enterprise's benefits. Content of the Utility Model

[0004] The utility model provides a valve fluorine lining mold, aiming to solve the problem of inconvenient production in the prior art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A valve fluorine lining mold includes a valve body. A central cavity penetrating up and down is formed in the center of the valve body, and flow channels communicating with the central cavity are formed at both ends. The feature is that it further includes a first mold, a second mold, and a third mold. The first mold is inserted into the central cavity from bottom to top. The second mold abuts against the upper end face of the central cavity of the valve body, and a first gap is formed between the first mold, the second mold, and the valve body. The third mold is inserted into the valve body from the flow channels at both ends until it abuts against the first mold, and a second gap communicating with the first gap is formed between the first mold, the third mold, and the valve body.

[0006] The utility model is further: The first mold includes a first base, a first sleeve, and a first end cover that are inserted and matched with each other. The first base includes a first bottom end and a first support rod. The first support rod is fixed to the first bottom end. A limiting ring sleeving the first support rod is formed at the first bottom end. A locking gap for inserting the first sleeve is formed between the first support rod and the limiting ring. The first sleeve is sleeved on the first support rod, and the first end cover is clamped to the first sleeve.

[0007] The utility model is further: The first sleeve is provided with a clamping block, and a matching clamping groove is recessed on the first end cover.

[0008] The utility model is further: A connecting portion is further extended on the first end cover.

[0009] The present utility model further provides that: the second mold includes a second base, the second base includes a second end face abutting against the valve body and a second mold rod extending from the second end face, and the second base is formed with a second hole.

[0010] The present utility model further provides that: the second mold includes a second plug rod, the second plug rod is inserted into the second hole, and one end of the second plug rod is provided with a second end portion.

[0011] The present utility model further provides that: the third mold includes a third fixing portion cooperating with the flange of the valve body and a third extending portion extending into the flow channel.

[0012] The present utility model further provides that: a third sealing block protrudes from the third fixing portion.

[0013] The present utility model has the following effects: three molds are provided. During the fluorine lining process of the fluorine-lined plug valve, the fluoroplastics are first heated at a high temperature to reach a molten state, and then by extrusion, they are extruded according to the molds to fill the inner cavity of the molds, and then cooled and shaped, and finally demolded. Description of the Drawings

[0014] Figure 1 is the structural diagram of the embodiment of the present utility model;

[0015] Figure 2 is the structural diagram of the first mold insertion of the embodiment of the present utility model;

[0016] Figure 3 is the cross-sectional view of the third mold insertion of the present utility model;

[0017] Figure 4 is the side view of the third mold insertion of the present utility model;

[0018] Figure 5 is the enlarged view of part A;

[0019] Figure 6 is the cross-sectional view of the second base of the present utility model;

[0020] Figure 7 is the structural diagram of the second base of the present utility model;

[0021] Figure 8 is the top view of the second base of the present utility model;

[0022] Figure 9 is the cross-sectional view of the second plug rod of the present utility model;

[0023] Figure 10 is the three-dimensional view of the first base of the present utility model;

[0024] Figure 11 is the side view of the first base of the present utility model;

[0025] Figure 12 This is the structural diagram of the first mold of the present utility model;

[0026] Figure 13 This is the structural diagram of the first end cap of the present utility model;

[0027] Figure 14 This is the structural diagram of the first sleeve of the present utility model.

[0028] In the figure: 1. The first mold; 12. The first base; 122. The first bottom end; 123. The first support rod; 134. The limiting ring; 13. The first sleeve; 132. The clamping block; 133. The clamping groove; 141. The connecting part; 14. The first end cap; 2. The second mold; 22. The second end face; 23. The second mold rod; 24. The second insertion rod; 25. The second end part; 3. The third mold; 31. The third fixing part; 32. The third extension part; 33. The third sealing part; 41. The first gap; 42. The second gap; 11. The valve body. Specific embodiments

[0029] Next, the technical solutions of the present utility model will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0030] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0031] Refer to Figures 1 to 3 for further description of the embodiments of the present utility model.

[0032] A fluorine-lined valve mold includes a valve body 11. A middle cavity penetrating up and down is formed in the center of the valve body 11, and flow channels communicating with the middle cavity are formed at both ends. Its characteristics are: it also includes a first mold 1, a second mold 2 and a third mold 3. The first mold 1 is inserted into the middle cavity from bottom to top. The second mold 2 abuts against the upper end face of the middle cavity of the valve body 11, and a first gap 41 is formed between the first mold 1, the second mold 2 and the valve body 11. The third mold 3 is inserted into the valve body 11 from the flow channels at both ends until it abuts against the first mold 1, and a second gap 42 communicating with the first gap 41 is formed between the first mold 1, the third mold 3 and the valve body 11.

[0033] The first mold 1 includes a first base 12, a first sleeve 13 and a first end cover 14 that are inserted and matched with each other. The first base 12 includes a first bottom end 122 and a first support rod 123. The first support rod 123 is fixed to the first bottom end 122. A limiting ring 134 sleeving the first support rod 123 is formed on the first bottom end 122. A locking gap for inserting the first sleeve 13 is formed between the first support rod 123 and the limiting ring 134. The first sleeve 13 is sleeved on the first support rod 123, and the first end cover 14 is snap-connected to the first sleeve 13. A clamping block 132 is arranged on the first sleeve 13, and a matching clamping groove 133 is recessed on the first end cover 14. A connecting portion 141 also extends on the first end cover 14.

[0034] During use, the first base 12 sleeved with the first sleeve 13 forms the first mold 1 when the first end cover 14 is installed, and then the first mold 1 can be inserted and used.

[0035] The second mold 2 includes a second base. The second base includes a second end face 22 abutting against the valve body 11 and a second mold rod 23 extending from the second end face 22. A second hole is formed in the second base. The second mold 2 includes a second insertion rod 24 inserted into the second hole. One end of the second insertion rod 24 is provided with a second end portion 25. During use, the second base is abutted against the valve body 11, and then the second insertion rod 24 is inserted into the second base for easy extrusion.

[0036] The third mold 3 includes a third fixing portion 31 matched with the flange of the valve body 11 and a third extension extending into the flow channel. A third sealing block protrudes on the third fixing portion 31.

[0037] Three molds are provided. During the fluorine lining process of the fluorine-lined plug valve, the fluoroplastics are first heated at a high temperature to reach a molten state, and then through an extrusion method, they are extruded according to the molds to fill the inner cavity of the molds, and then through cooling and shaping, and finally demolded.

[0038] This specific embodiment is only an interpretation of the present utility model and does not limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without creative contributions as needed, but as long as it is within the scope of the claims of the present utility model, it is protected by the patent law.

Claims

1. A fluorine-lined valve mold, comprising a valve body, a middle cavity penetrating up and down is formed in the center of the valve body, and flow channels communicating with the middle cavity are formed at both ends, and the characteristics are as follows: It further includes a first mold, a second mold and a third mold. The first mold is inserted into the middle cavity from bottom to top. The second mold abuts against the upper end face of the middle cavity of the valve body, and a first gap is formed between the first mold, the second mold and the valve body. The third mold is inserted into the valve body from the flow channels at both ends of the valve body until it abuts against the first mold, and a second gap communicating with the first gap is formed between the first mold, the third mold and the valve body.

2. The valve fluorine-lined mold according to claim 1, characterized in that: The first mold includes a first base, a first sleeve and a first end cap that are inserted and matched with each other. The first base includes a first bottom end and a first support rod. The first support rod is fixed to the first bottom end. A limiting ring sleeving the first support rod is formed on the first bottom end. A locking gap for inserting the first sleeve is formed between the first support rod and the limiting ring. The first sleeve is sleeved on the first support rod, and the first end cap is snap-fitted to the first sleeve.

3. The valve fluorine-lined mold according to claim 2, characterized in that: A clamping block is arranged on the first sleeve, and a matching clamping groove is recessed on the first end cap.

4. The valve fluorine-lined mold according to claim 3, characterized in that: A connecting portion also extends from the first end cap.

5. The valve fluorine-lined mold according to claim 1, characterized in that: The second mold includes a second base. The second base includes a second end face abutting against the valve body and a second mold rod extending from the second end face. A second hole is formed in the second base.

6. The valve fluorine-lined mold according to claim 5, characterized in that: The second mold includes a second insertion rod. The second insertion rod is inserted into the second hole, and a second end portion is arranged at one end of the second insertion rod.

7. A fluorine-lined valve mold according to claim 1, characterized in that: The third mold includes a third fixing portion cooperating with the flange of the valve body and a third extending portion extending into the flow channel.

8. The valve fluorine-lined mold according to claim 7, characterized in that: A third sealing block protrudes from the third fixing portion.

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