Self-adaptive pressure regulating valve of high-pressure hot spinning machine

Abstract

The utility model discloses a self-adaptive high-pressure hot spinning machine pressure regulating valve which comprises a valve body, a feeding pipe and a discharging pipe are fixedly connected to the two ends of the valve body respectively, a valve seat is connected to the interior of the valve body in a threaded mode, a valve deck is connected to the outer side wall of the valve body in a threaded mode, and a diaphragm is arranged between the valve body and the valve deck jointly. A valve element is arranged at the center of the bottom of the diaphragm, a through hole is formed in the valve element, a top cover is in threaded connection with the top of the valve cover, and an adjusting plate is arranged in the valve cover. The valve body, the valve core, the through holes and the diaphragm are matched with one another, so that when the pressure in the valve body changes, the diaphragm deforms to drive the valve core to move, more through holes are added into a passage in the valve body, the pressure of fluid in the valve body is conveniently balanced, the pressure of the through holes is shared, the abrasion of the through holes is conveniently reduced, and the service life of the valve body is prolonged. And meanwhile, the device adopts an independent valve core design, and the valve core can be quickly replaced, so that the device can be better put into use.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure regulating valves, in particular to a pressure regulating valve for an adaptive high-pressure hot spinning machine. Background Technique

[0002] A hot spinning machine is a mechanical device used for metal processing. It is particularly suitable for materials that need to be spun after heating. This machine has a double-spinning wheel structure, and the actuator is a high-precision digital oil cylinder, which can process a variety of materials, such as copper, aluminum, steel, stainless steel, titanium alloy, etc. The working principle of the hot spinning machine is to heat the metal blank and then plastically deform it during the spinning process to produce various shaped metal parts. This technology is suitable for making rotary cylindrical parts or dish-shaped parts and is widely used in the production of plate spinning, forging blank spinning, cylinder sleeves, cones, cylinders, disc parts, etc.

[0003] The regulating valve of the high-pressure hot spinning machine is mainly used to regulate the pressure and flow rate of fluids (such as air, water, steam, etc.) to ensure the stable flow of fluids in the high-pressure hot spinning machine. During the use of the regulating valve, since the valve core is often directly impacted by the fluid pressure, it is more vulnerable than other parts. When the valve core is damaged, it is easy to affect the pressure regulation of the regulating valve. Therefore, we propose to design a pressure regulating valve for an adaptive high-pressure hot spinning machine. Content of the Utility Model

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part, as well as in the abstract of the specification and the title of the utility model of this application, to avoid obscuring the purpose of this part, the abstract of the specification, and the title of the utility model. However, such simplifications or omissions shall not be used to limit the scope of the utility model.

[0005] To solve the above technical problems, according to one aspect of the utility model, the following technical solutions are provided by the utility model:

[0006] A pressure regulating valve for an adaptive high-pressure hot spinning machine includes a valve body. Feed pipes and discharge pipes are respectively fixedly connected to both ends of the valve body. A valve seat is threadedly connected inside the valve body. A valve cover is threadedly connected to the outer side wall of the valve body. A diaphragm is jointly arranged between the valve body and the valve cover. A valve core is arranged at the center of the bottom of the diaphragm. A through hole is opened inside the valve core. A top cover is threadedly connected to the top of the valve cover. An adjusting plate is arranged inside the valve cover. An adjusting rod is rotatably connected to the top of the adjusting plate. A spring is jointly fixedly connected between the bottom of the adjusting plate and the diaphragm.

[0007] As a preferred embodiment of the pressure regulating valve of the self - adaptive high - pressure hot spinning machine of the present utility model, a threaded rod is fixedly connected to the center of the bottom of the diaphragm, and the threaded rod is threadedly connected to the top of the valve core, which is convenient for disassembling and assembling the valve core.

[0008] As a preferred embodiment of the pressure regulating valve of the self - adaptive high - pressure hot spinning machine of the present utility model, a valve hole is opened at the top of the valve seat. The inner wall of the valve hole is smoothly and correspondingly attached to the outer wall of the valve core. A through - hole is opened at the bottom of the valve core, and the through - hole is connected to the through - hole. The bottom of the through - hole is connected to the inside of the valve hole, which is convenient for forming a fluid passage of valve seat - valve hole - through - hole - through - hole. The more the number of through - holes extending out of the valve seat, the more convenient it is for the feed pipe to convey fluid to the discharge pipe.

[0009] As a preferred embodiment of the pressure regulating valve of the self - adaptive high - pressure hot spinning machine of the present utility model, a plurality of through - holes are provided, and the distance between adjacent two through - holes decreases successively from top to bottom. For example, if the distance between the top - most through - hole and its adjacent bottom - most through - hole is 5 mm, then the distance between the bottom - most through - hole and the even more bottom - most through - hole is 8 mm, and so on. The specific setting of the distance needs to be set according to the deformation degree of the diaphragm and other specific conditions. By setting a plurality of non - equidistant through - holes, it is convenient to automatically open more through - holes to balance the pressure when the pressure of the feed pipe changes, ensuring the stable pressure at the output end, that is, the discharge pipe.

[0010] As a preferred embodiment of the pressure regulating valve of the self - adaptive high - pressure hot spinning machine of the present utility model, the adjusting rod is threadedly connected to the top cover. The top of the adjusting rod penetrates through the top cover and is fixedly connected with an anti - slip knob. By turning the knob to drive the adjusting rod to rotate, it is convenient to drive the adjusting plate to press down and compress the spring, which is convenient for restricting the movement of the diaphragm and protecting the valve core to work within a safe range.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] Through the mutual cooperation among the valve body, the valve core, the through - holes and the diaphragm of the present utility model, when the pressure in the valve body changes, the movement of the valve core is driven by the deformation of the diaphragm, so that more through - holes are added to the internal passage of the valve body, which is convenient for balancing the fluid pressure inside the valve body, and sharing the pressure of the through - holes, which is convenient for reducing the wear of the through - holes. At the same time, the device adopts an independent valve core design, and the valve core can be quickly replaced, so as to be better put into use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will describe the present utility model in detail in conjunction with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. Among them:

[0014] Figure 1 It is a schematic external view of a pressure regulating valve of an adaptive high-pressure hot spinning machine of the present utility model;

[0015] Figure 2 It is a schematic structural view of a pressure regulating valve of an adaptive high-pressure hot spinning machine of the present utility model;

[0016] Figure 3 It is a schematic structural view of the valve core of a pressure regulating valve of an adaptive high-pressure hot spinning machine of the present utility model.

[0017] Legend description: 1. Valve body; 2. Feed pipe; 3. Discharge pipe; 4. Valve seat; 401. Valve hole; 5. Valve cover; 6. Diaphragm; 601. Threaded rod; 7. Valve core; 701. Through hole; 8. Penetrating hole; 9. Top cover; 10. Adjusting plate; 11. Adjusting rod; 12. Spring. Specific embodiments

[0018] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will describe the specific embodiments of the present utility model in detail in conjunction with the drawings.

[0019] Secondly, the present utility model is described in detail in combination with the schematic diagrams. When detailing the embodiments of the present utility model, for the convenience of description, the cross-sectional views showing the device structure will be enlarged locally out of the general proportion, and the schematic diagrams are only examples, which should not limit the protection scope of the present utility model here. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.

[0020] To make the purpose, technical solutions, and advantages of the present utility model clearer, the following will further describe the embodiments of the present utility model in detail in conjunction with the drawings.

[0021] Please refer to Figures 1-3 , the present utility model provides a pressure regulating valve for an adaptive high-pressure hot spinning machine, including a valve body 1, with a feed pipe 2 and a discharge pipe 3 fixedly connected to both ends of the valve body 1 respectively. A valve seat 4 is threadedly connected inside the valve body 1, and a valve cover 5 is threadedly connected to the outer side wall of the valve body 1. A diaphragm 6 is jointly arranged between the valve body 1 and the valve cover 5. A valve core 7 is arranged at the center of the bottom of the diaphragm 6, and a penetrating hole 8 is opened inside the valve core 7.

[0022] Among them, a threaded rod 601 is fixedly connected to the center of the bottom of the diaphragm 6, and the threaded rod 601 is threadedly connected to the top of the valve core 7, which is convenient for disassembling and assembling the valve core 7.

[0023] A valve hole 401 is formed at the top of the valve seat 4. The inner wall of the valve hole 401 is smoothly fitted with the outer wall of the valve core 7 correspondingly. A through hole 701 is formed at the bottom of the valve core 7, and the through hole 701 is connected to the through hole 8. The bottom of the through hole 701 is connected to the inside of the valve hole 401, which is convenient for forming a fluid passage of the valve seat 4-valve hole 401-through hole 701-through hole 8. The more the number of through holes 8 extending out of the valve seat 4, the more convenient it is for the feed pipe 2 to convey fluid to the discharge pipe 3.

[0024] In this embodiment, a plurality of through holes 8 are provided, and the distance between adjacent two through holes 8 decreases successively from top to bottom. For example, if the distance between the topmost through hole 8 and its adjacent bottom through hole 8 is 5 mm, then the distance between the bottom through hole 8 and the lower bottom through hole 8 is 8 mm, and so on. The specific setting of the distance needs to be specifically set according to the deformation degree of the diaphragm 6, etc. By setting a plurality of non-equidistant through holes 8, it is convenient to automatically open more through holes 8 to balance the pressure when the pressure of the feed pipe 2 changes, and ensure the pressure stability of the output end, that is, the discharge pipe 3.

[0025] A top cover 9 is threadedly connected to the top of the valve cover 5. An adjusting plate 10 is arranged inside the valve cover 5. An adjusting rod 11 is rotatably connected to the top of the adjusting plate 10. A spring 12 is fixedly connected between the bottom of the adjusting plate 10 and the diaphragm 6. A stop plate is arranged at the bottom of the spring 12. The adjusting rod 11 is threadedly connected to the top cover 9. The top of the adjusting rod 11 penetrates through the top cover 9 and is fixedly connected with an anti-slip knob. By turning the knob to drive the adjusting rod 11 to rotate, it is convenient to drive the adjusting plate 10 to press down, compress the spring 12, and limit the movement of the diaphragm 6, so as to protect the valve core 7 to work within a safe range.

[0026] During use, the fluid enters the valve body 1 through the feed pipe 2. After entering the valve seat 4 and passing through the valve hole 401, it enters the valve core 7 through the through hole 701, and is discharged through the through hole 8, enters the chamber of the valve body 1, and finally is discharged through the discharge pipe 3.

[0027] When the pressure or flow rate in the feed pipe 2 increases, the internal pressure of the valve body 1 increases, and gradually pushes up the diaphragm 6. At this time, the valve core 7 gradually extends out of the valve hole 401 along with the deformation of the middle part of the diaphragm 6.

[0028] If only one group of through holes 8 is added to the fluid passage of the valve seat 4-valve hole 401-through hole 701-through hole 8 in the initial state, then after the valve core 7 gradually extends out of the valve hole 401, two or even three groups of through holes 8 will be added to the passage. At this time, it is convenient to increase the flow rate of the valve body 1 and reduce the pressure in the valve body 1, so as to keep the pressure of the discharge pipe 3 within a certain range.

[0029] Therefore, when the subsequent pressure changes, more through holes 8 are connected to the passage, which facilitates the balance of the fluid pressure inside the valve body 1 and at the same time shares the pressure of the upper through holes 8, thereby reducing the wear on the common through holes 8. At the same time, the independent valve core 7 design is adopted in this device, and only by opening the valve cover 5, the valve core 7 can be quickly replaced.

[0030] Although the present invention has been described above with reference to the embodiments, various modifications can be made thereto and components thereof can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the disclosed embodiments of the present invention can be combined with each other in any way, and the exhaustive description of these combinations is omitted in this specification only for the sake of saving space and resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An adaptive high-pressure hot spinning machine pressure regulating valve, comprising a valve body (1), characterized in that, Both ends of the valve body (1) are fixedly connected with a feed pipe (2) and a discharge pipe (3) respectively. A valve seat (4) is threadedly connected inside the valve body (1). A valve cover (5) is threadedly connected to the outer side wall of the valve body (1). A diaphragm (6) is jointly arranged between the valve body (1) and the valve cover (5). A valve core (7) is arranged at the center of the bottom of the diaphragm (6). A through hole (8) is formed inside the valve core (7). A top cover (9) is threadedly connected to the top of the valve cover (5). An adjusting plate (10) is arranged inside the valve cover (5). An adjusting rod (11) is rotatably connected to the top of the adjusting plate (10). A spring (12) is jointly fixedly connected between the bottom of the adjusting plate (10) and the diaphragm (6).

2. The pressure regulating valve of an adaptive high-pressure hot spinning machine according to claim 1, wherein A threaded rod (601) is fixedly connected to the center of the bottom of the diaphragm (6). The threaded rod (601) is threadedly connected to the top of the valve core (7).

3. The pressure regulating valve of an adaptive high-pressure hot spinning machine according to claim 1, wherein A valve hole (401) is formed at the top of the valve seat (4). The inner wall of the valve hole (401) is smoothly and correspondingly attached to the outer side wall of the valve core (7). A through hole (701) is formed at the bottom of the valve core (7). The through hole (701) is communicated with the through hole (8). The bottom of the through hole (701) is communicated with the inside of the valve hole (401).

4. An adaptive high-pressure hot spinning machine pressure regulating valve according to claim 1, characterized in that, A plurality of through holes (8) are provided, and the distance between two adjacent through holes (8) decreases sequentially from top to bottom.

5. An adaptive high-pressure hot spinning machine pressure regulating valve according to claim 1, characterized in that, The adjusting rod (11) is threadedly connected to the top cover (9). The top of the adjusting rod (11) penetrates through the top cover (9) and is fixedly connected with an anti-slip knob.

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