Temperature control structure of mold

Abstract

The temperature control structure comprises a valve shell and an adjusting assembly arranged in a containing cavity of the valve shell, the adjusting assembly comprises a heated cylinder, a piston, an ejector rod, an elastic supporting piece and a blocking piece, the piston is arranged in the heated cylinder, the containing cavity is formed between the piston and the heated cylinder, one end of the ejector rod is fixed to the piston, and the other end of the ejector rod is fixed in the valve shell. Elastic supporting pieces connected with the inner wall of the valve shell are arranged on the outer surface of the heated barrel, blocking pieces matched with an inlet / outlet of the valve shell are arranged on the heated barrel, and a flow outlet is formed, so that a flow channel passes through a containing cavity in the outer surface of the heated barrel, directly scours the exterior of the containing cavity through water or cooling oil and exchanges heat with an expansion medium (such as paraffin) in the containing cavity. The flow outlet directly faces the containing cavity, temperature changes can be sensed rapidly, and when the temperature is reduced, the expansion medium shrinks, the flow outlet becomes small, and the flow speed is increased; when the temperature rises, the expansion medium expands, the flow outlet is enlarged, the flow speed is reduced, a virtuous cycle is formed, and the temperature control effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a temperature control structure of a mold. Background Art

[0002] Mold temperature control is a very important link in the injection molding process. It directly affects the molding quality and production efficiency of the product. Mold temperature control can be achieved in many ways, including the use of mold temperature controllers, oil temperature controllers, water temperature controllers and other equipment.

[0003] Among them, the temperature control structure of the mold is an important device for controlling the mold temperature. It is widely used in manufacturing processes such as injection molding, die casting, and blow molding. By accurately controlling the temperature of the mold, it can not only ensure the production of high-quality products, but also improve production efficiency. The temperature control valve keeps the mold within the set temperature range by adjusting the flow of cooling water or hot oil.

[0004] A complete mold temperature control system includes not only temperature control valves but also other key components such as piping systems, heat sinks, temperature sensors, and controllers. These components work together to ensure precise control of mold temperature. Controlling the flow of cooling water or hot oil is key to achieving mold temperature control. Generally speaking, mold temperature control systems often use a single external circulation method. However, for some purely mechanical mold temperature control structures, the control accuracy of water or hot oil flow may be insufficient, thus affecting the temperature control effect. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0006] In order to solve the above-mentioned problems, the present invention provides the following technical solutions: a temperature control structure of a mold includes a valve housing and;

[0007] The regulating assembly is arranged in the cavity of the valve housing;

[0008] The regulating assembly includes a heated cylinder, a piston, a push rod, an elastic support sheet and a baffle. The heated cylinder is sleeved with a piston to form an accommodating cavity between the two. One end of the push rod is arranged on the piston and the other end is arranged in the valve housing. An elastic support sheet is provided on the outer surface of the heated cylinder, and the elastic support sheet is connected to the inner wall of the valve housing. A baffle is provided on the heated cylinder to cooperate with the inlet / outlet of the valve housing to form a flow outlet so that the flow channel flows through the accommodating cavity on the outer surface of the heated cylinder.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows.

[0010] As a preferred solution of the temperature control structure of the mold of the utility model, wherein: a top groove is provided on the top of the valve housing, and the ejector rod is movably sleeved in the top groove; a limiting groove is provided on the bottom of the valve housing, and the bottom of the baffle is movably sleeved in the limiting groove.

[0011] As a preferred solution of the temperature control structure of the mold of the present invention, the top thread of the valve housing is provided with a screw, and one end of the screw is in conflict with the ejector rod.

[0012] As a preferred solution for the temperature control structure of the mold of the present invention, the inlet and outlet of the valve housing are the feed end and the discharge end respectively, and the outer surface of the baffle is in conflict with one end of the feed end and / or the discharge end.

[0013] As a preferred solution of the temperature control structure of the mold of the present invention, the valve housing, the feed end and the discharge end are combined to form a two-way valve.

[0014] As a preferred solution of the temperature control structure of the mold of the present invention, the elastic support sheet is arranged at one end of the heating cylinder away from the accommodating cavity and close to the ejector rod.

[0015] The beneficial effects of the present utility model are as follows: the temperature control valve directly flushes the outside of the accommodating chamber through water or cooling oil, and exchanges heat with the expansion medium (such as paraffin) contained therein at the first time. The flow outlet faces the accommodating chamber and can quickly sense temperature changes. When the temperature drops, the expansion medium contracts, the flow outlet becomes smaller, the flow rate increases, and the temperature further drops. When the temperature rises, the expansion medium expands, the flow outlet increases, the flow rate decreases, and the temperature further rises, forming a virtuous cycle and improving the temperature control effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0017] Figure 1 This is a schematic diagram of the initial valve of this embodiment.

[0018] Figure 2 This is a schematic diagram of the valve after being heated in this embodiment.

[0019] Figure 3 This is a cross-sectional view of the adjustment assembly of this embodiment.

[0020] Figure 4 This is a schematic diagram of the initial flow outlet and the flow outlet of the regulating component after heating in this embodiment.

[0021] Figure 5 This is a schematic diagram of the initial adjustment component of this embodiment.

[0022] Figure 6 This is a schematic diagram of the regulating component after being heated in this embodiment.

[0023] In the figure; valve housing 100, cavity 100a, top groove 100b, limit groove 100c, screw 101, feed end 102, discharge end 103;

[0024] Adjustment assembly 200, heating cylinder 201, accommodating chamber 201a, piston 202, ejector rod 203, elastic support sheet 204, baffle 205;

[0025] Flow outlet 300. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0029] Example

[0030] Reference Figures 1 to 6 , is an embodiment of the present utility model, which provides a temperature control structure of a mold, including a valve housing 100 and;

[0031] The regulating assembly 200 is disposed in the cavity 100a of the valve housing 100;

[0032] The regulating assembly 200 includes a heated tube 201, a piston 202, a push rod 203, an elastic support sheet 204 and a baffle 205. The piston 202 is sleeved inside the heated tube 201, and a accommodating chamber 201a is formed between the two. One end of the push rod 203 is set on the piston 202, and the other end is set in the valve housing 100. An elastic support sheet 204 is provided on the outer surface of the heated tube 201, and the elastic support sheet 204 is connected to the inner wall of the valve housing 100. A baffle 205 is provided on the heated tube 201, which cooperates with the inlet / outlet of the valve housing 100 to form a flow outlet 300, so that the flow channel flows through the accommodating chamber 201a on the outer surface of the heated tube 201.

[0033] Specifically, the adjustment assembly 200 is similar to a conventional temperature control valve, except that the conventional temperature control valve uses a spring as a material for restoring the original position, while the present embodiment uses an elastic support sheet 204. The conventional temperature control valve requires an additional bracket to fix the adjustment assembly 200 so that it can move as a whole, while the elastic support sheet 204 combines the functions of the spring and the bracket, thereby simplifying the structure and improving reliability.

[0034] The temperature control valve flushes the accommodating chamber 201a directly from the flow outlet 300 with water or cooling oil. The accommodating chamber 201a is filled with an expansion medium such as paraffin or other substances that are susceptible to thermal expansion. The purpose of this design is to allow the expansion medium to immediately sense the temperature changes of the water or cooling oil. The flow outlet 300 faces the accommodating chamber 201a. When the temperature of the water or cooling oil changes, the expansion medium quickly changes the size of the flow outlet 300 under the action of thermal expansion and contraction.

[0035] In detail, if the temperature of the water or cooling oil decreases, the expansion medium contracts, and the flow outlet 300 becomes smaller, resulting in an increase in the flow rate of the water or cooling oil and a further decrease in temperature when passing through the reduced flow outlet 300. Since the water or cooling oil contacts the outer surface of the heated tube 201 for the first time, the expansion medium will further cool down, thereby further reducing the flow outlet 300. On the contrary, if the temperature of the water or cooling oil increases, the outer surface of the heated tube 201 heats up rapidly, the expansion medium expands, and the flow outlet 300 increases. The larger the flow outlet 300, the lower the flow rate and the further the temperature increases, thereby achieving a benign temperature control cycle and improving the temperature control effect.

[0036] For example, Figure 1 、 Figure 4 、 Figure 5 、 Figure 6 As shown, the top of the valve housing 100 is provided with a top groove 100b, and the top rod 203 is movably sleeved in the top groove 100b. The bottom of the valve housing 100 is provided with a limiting groove 100c, and the bottom of the baffle 205 is movably sleeved in the limiting groove 100c. The top of the valve housing 100 is threaded with a screw 101, and one end of the screw 101 conflicts with the top rod 203.

[0037] By setting a screw in the top groove 100b supported by the top rod 203, the entire adjustment assembly 200 can be moved up and down by rotating the screw under the action of the screw and the elastic support plate 204 to change the size of the valve flow outlet 300 in the initial state, thereby improving the flexibility of the valve.

[0038] For example, Figure 1 、 Figure 2 As shown, the temperature control valve is specifically that the inlet and outlet of the valve housing 100 are respectively the feed end 102 and the discharge end 103, the outer surface of the baffle 205 is in conflict with one end of the feed end 102 and / or the discharge end 103, and the valve housing 100, the feed end 102 and the discharge end 103 are combined to form a two-way valve;

[0039] For example, Figure 1 、 Figure 2 As shown, the elastic support sheet 204 is arranged at one end of the heating tube 201 away from the accommodating cavity 201a and close to the top rod 203, so that water or cooling oil will not be affected by the elastic support sheet 204 when flowing in, allowing the paraffin in the accommodating cavity 201a to be heated more promptly.

[0040] It is important to note that the configuration and arrangement of the present application, as shown in various exemplary embodiments, are illustrative only. Although only a few embodiments are described in detail in this disclosure, those reading this disclosure will readily appreciate that numerous modifications are possible (e.g., variations in the size, dimensions, structure, shape, and proportions of various components, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without materially departing from the novel teachings and advantages of the subject matter described herein. For example, components shown as integrally formed may be constructed from multiple parts or components, the positions of components may be inverted or otherwise altered, and the nature, number, or position of discrete components may be modified or changed. Therefore, all such modifications are intended to be encompassed within the scope of this invention. The order or sequence of any process or method steps may be altered or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover structures described herein that perform the function described, and not only structural equivalence but also equivalent structures. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0041] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0042] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will, for those of ordinary skill having the benefit of this disclosure, be a routine undertaking of design, fabrication, and production without undue experimentation.

[0043] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A temperature control structure for a mold, characterized in that: It includes a valve housing (100) and; The regulating assembly (200) is disposed in the cavity (100a) of the valve housing (100); The regulating assembly (200) comprises a heating tube (201), a piston (202), a push rod (203), an elastic support sheet (204) and a baffle (205); the heating tube (201) is provided with a piston (202) in a sleeve, and a receiving cavity (201a) is formed between the piston (202) and the push rod (203); one end of the push rod (203) is provided on the piston (202), and the other end is provided in the valve housing (100); an elastic support sheet (204) is provided on the outer surface of the heating tube (201), and the elastic support sheet (204) is connected to the inner wall of the valve housing (100); a baffle (205) is provided on the heating tube (201), and cooperates with the inlet / outlet of the valve housing (100) to form a flow outlet (300), so that the flow channel flows through the receiving cavity (201a) on the outer surface of the heating tube (201).

2. The temperature control structure of the mold according to claim 1, characterized in that: The top of the valve housing (100) is provided with a top groove (100b), and the top rod (203) is movably sleeved in the top groove (100b). The bottom of the valve housing (100) is provided with a limiting groove (100c), and the bottom of the blocking plate (205) is movably sleeved in the limiting groove (100c).

3. The temperature control structure of the mold according to claim 2, characterized in that: The top thread of the valve housing (100) is provided with a screw rod (101), and one end of the screw rod (101) is in conflict with the top rod (203).

4. The temperature control structure of the mold according to claim 1, characterized in that: The inlet and outlet of the valve housing (100) are respectively a feed end (102) and a discharge end (103), and the outer surface of the baffle (205) is in conflict with one end of the feed end (102) and / or the discharge end (103).

5. The temperature control structure of the mold according to claim 4, characterized in that: The valve housing (100), the feed end (102) and the discharge end (103) are combined to form a two-way valve.

6. The temperature control structure of the mold according to claim 1, characterized in that: The elastic supporting piece (204) is arranged at one end of the heating cylinder (201), away from the accommodating cavity (201a) and close to the top rod (203).

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