Valve base mold convenient to demold

Abstract

The utility model discloses a valve base mould convenient to demould, which comprises a side mould, a bottom mould, an upper mould and a limit support mould, a mould cavity is arranged in the limit support mould, the bottom mould is arranged at the bottom of the mould cavity in a matching way, the inner wall of the mould cavity is tightly attached to the outer side of the side mould, the side mould is of a metal annular structure, and the bottom of the side mould is tightly attached to the edge of the bottom mould. A feeding port is formed in the upper end of the side edge of the side edge die, an upper die is arranged over the side edge die in a matched mode, the edge of the upper die is connected with the limiting supporting die through a bolt, and a through air outlet is formed in the upper die. Combination of the dies can be achieved through the arranged side dies, the bottom die, the upper die and the limiting supporting die, excessive plug pin structures do not need to be adopted in the combination process, and relative fixation of the whole structure is guaranteed through the mutual direct combination structures and external bolts. Meanwhile, due to the fact that different positioning positions of the bolts are selected, rapid demolding under external mechanical tension can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve base machining technical field, especially valve base mould convenient to demould. BACKGROUND

[0002] Valve is used to open and close pipeline, controls the pipeline accessory of flow direction, valve and pipeline are directly connected and install, special circumstances, such as the support effect of pipeline to valve is not good, or when valve is bigger, need to give valve separately equipped base, and valve and valve base are connected through bolt.

[0003] But the existing valve base mould has great difficulty when demolding the formed workpiece, the workpiece and the inner wall of the mold cavity are tightly connected and have certain adhesion, and it is difficult to remove the material, although part of the mould pushes the workpiece out by the ejector, but this way the thrust is too large, and it is easy to cause scratch between the workpiece and the inner wall of the mold cavity, so as to cause scratch between the workpiece and the inner wall of the mold cavity, and the use demand of people cannot be met well, and technical innovation is carried out on the basis of the existing installation structure.In the utility model patent (CN215845652U) disclosed a kind of valve base manufacturing mould convenient to demould, impact force is generated by demolding knocking mechanism, impact force is transmitted to workpiece by demolding ejector, workpiece is evenly knocked by impact force, facilitate workpiece demolding, prevent between workpiece and mold cavity by strong force pushing and produce scratch, cause scratch between workpiece and mold cavity inner wall, cooling water is injected into cooling water cavity by water inlet pipe, workpiece is cooled, and processing efficiency is improved.But the fine components involved therein are too complicated, and the structure of the mold is too fine when pouring high-temperature metal liquid, which is easy to be damaged, so it does not have practicality. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of valve base mould convenient to demould to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of valve base mould convenient to demould, including side edge mould, bottom die, upper die and limit support mould, the inside of limit support mould is provided with mold cavity, the bottom of mold cavity is cooperatively provided with bottom die, the inner wall of mold cavity is tightly attached with the outside of side edge mould, the side edge mould is metal annular structure, and the bottom of side edge mould is tightly attached with the edge of bottom die, the upper end of side edge mould side edge is provided with feed inlet, the top of side edge mould is cooperatively provided with upper die, and the edge of upper die is connected with limit support mould by bolt, and the upper die is provided with a through gas outlet.

[0006] Preferably, a limiting ring is arranged outside the side mold, the limiting ring is integrally formed with the side mold, the limiting ring is a right-angled triangle with the slope upward in cross section, and the lower surface of the limiting ring is in close contact with the top outer ring of the limiting support mold.

[0007] Preferably, a connecting ring is arranged at the top outside of the side mold, a plurality of bolt holes are arranged on the connecting ring, and the bolts connecting the upper mold and the limiting support mold can penetrate the bolt holes.

[0008] Preferably, a step-shaped clamping groove A recessed downward is arranged at the edge of the upper surface of the bottom mold, and the width of the clamping groove A is equal to the thickness of the outer wall of the side mold.

[0009] Preferably, a step-shaped clamping groove B recessed downward is arranged at the edge of the lower surface of the upper mold, and the width of the clamping groove B is equal to the thickness of the outer wall of the side mold.

[0010] Preferably, a plurality of connecting blocks are arranged at the lower edge outside of the limiting support mold, and the connecting blocks are integrally formed with the limiting support mold.

[0011] Preferably, the top of the bolt is a circular ring, and the outside of the bolt is wrapped with a heat insulation layer.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] 1. The utility model provides a valve base mold convenient for demolding, the combination of the mold can be realized through the side mold, the bottom mold, the upper mold and the limiting support mold, too many bolt structures are not needed in the combination process, the relative fixation of the overall structure is ensured through the direct combination structure and the external bolt, and quick demolding under the external mechanical tension can be realized due to the selection of different positioning positions of the bolt.

[0014] 2. The limiting ring arranged outside the side mold can play a limiting role, and whether the mold body is assembled in place can be judged when the mold is assembled.

[0015] 3. The connecting ring arranged outside the side mold can not only play a limiting role through the bolt, but also can be connected to the side mold position through the bolt during demolding, and then demolding is carried out, so that the demolding process is accelerated and the work efficiency is improved.

[0016] 4. The plurality of connecting blocks arranged at the lower edge outside of the limiting support mold can be used for positioning the mold as a whole on the workbench during demolding, so that the demolding work is further conveniently and reasonably carried out. DETAILED DESCRIPTION

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. Other related drawings can also be obtained by those skilled in the art without creative labor on the premise of not paying.

[0018] Figure 1 The present application is a structural schematic diagram.

[0019] Figure 2 The present application is a bolt structure schematic diagram.

[0020] In the figure: 1, side die; 2, bottom die; 3, upper die; 4, limit support die; 5, die cavity; 6, feed port; 7, bolt; 8, gas outlet; 9, limit ring; 10, connecting ring; 11, bolt hole; 12, clamping groove A; 13, clamping groove B; 14, connecting block; 15, thermal insulation layer. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs; the terminology used in the specification of the application is only for the purpose of describing specific embodiments and is not intended to limit the present application; the terms "include" and "have" and any variations thereof in the specification and claims of the present application and the drawings description are intended to cover non-exclusive inclusion.

[0023] In this paper, the "embodiment" means that the specific features, structures or characteristics described in combination with the embodiment can be included in at least one embodiment of the present application. The phrase "embodiment" appears at various places in the specification does not necessarily refer to the same embodiment, nor is it independent or alternative to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0024] The positional words appearing in the following description are the directions shown in the drawings, and are not intended to limit the specific structure of the present application. For example, in the description of the present application, the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only intended to facilitate the description of the present application and simplify the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] In addition, the expressions of the indicated directions for describing the operation and structure of each component of the present embodiment, such as the X direction, the Y direction and the Z direction, are not absolute but relative, and although these indications are appropriate when each component is in the position shown in the drawings, these directions should be interpreted differently to correspond to the changes when these positions change.

[0026] In addition, the terms "first", "second" and the like in the description and claims of the present application or the above drawings are used to distinguish different objects, and are not intended to describe a particular order, and can explicitly or implicitly include one or more of the features.

[0027] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, the "connecting" or "connecting" of the mechanical structure can mean physical connection, for example, the physical connection can be fixed connection, for example, fixed connection by fixing member, for example, fixed connection by screw, bolt or other fixing member; the physical connection can also be detachable connection, for example, mutual clamping or clamping connection; the physical connection can also be integrally connected, for example, welding, bonding or integrally formed connection for connection. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings.

[0029] The present application provides Figure 1The valve seat mold shown in the application is convenient to demold, which comprises a side mold 1, a bottom mold 2, an upper mold 3 and a limiting support mold 4, the inside of the limiting support mold 4 is provided with a mold cavity 5, the bottom of the mold cavity 5 is provided with the bottom mold 2 in a matched mode, the inner wall of the mold cavity 5 is tightly attached to the outside of the side mold 1, the side mold 1 is a metal ring structure, the bottom of the side mold 1 is tightly attached to the edge of the bottom mold 2, the upper end of the side of the side mold 1 is provided with a feeding port 6, the upper mold 3 is provided above the side mold 1 in a matched mode, the edge of the upper mold 3 is connected to the limiting support mold 4 through a bolt 7, and the upper mold 3 is provided with a penetrating air outlet 8. The side mold 1, the bottom mold 2, the upper mold 3 and the limiting support mold 4 can realize the combination of the mold, the mold does not need to adopt too many bolt structures in the combination process, the direct combination structure and the external bolt 7 are used to ensure the relative fixation of the overall structure, and the different positioning positions of the bolt 7 can realize the quick demolding under the external mechanical tension. The scheme is closer to the actual production, the equipment cost is low, and the scheme has extremely high economic value.

[0030] The outside of the side mold 1 is provided with a limiting ring 9, the limiting ring 9 is integrally formed with the side mold 1, the cross section of the limiting ring 9 is a right-angled triangle with an upward slope, and the lower surface of the limiting ring 9 is tightly attached to the top outer ring of the limiting support mold 4. The top of the outside of the side mold 1 is provided with a connecting ring 10, a plurality of bolt holes 11 are formed in the connecting ring 10, and the bolt 7 connecting the upper mold 3 and the limiting support mold 4 can penetrate the bolt holes 11. The limiting ring 9 arranged on the outside of the side mold 1 can play a limiting role, and the assembly of the mold body can be judged when the mold is assembled. The overall structure not only can play a limiting role through the bolt 7, but also can only connect the bolt 7 to the side mold 1 position when demolding, thereby accelerating the demolding process and improving the work efficiency.

[0031] In addition, the upper surface edge of the bottom mold 2 is provided with a downwardly recessed step-shaped clamping groove A12, and the width of the clamping groove A12 is equal to the thickness of the outer wall of the side mold 1. At the same time, the lower surface edge of the upper mold 3 is provided with a downwardly recessed step-shaped clamping groove B13, and the width of the clamping groove B13 is equal to the thickness of the outer wall of the side mold 1. The lower edge of the outside of the limiting support mold 4 is provided with a plurality of connecting blocks 14, and the connecting blocks 14 are integrally formed with the limiting support mold 4. The overall mold can be positioned on the workbench when demolding, and the demolding work can be further conveniently and reasonably carried out.

[0032] As shown in the whole mold, Figure 2 The top of the bolt 7 is a circular ring, and the outside of the bolt 7 is wrapped with a heat insulation layer 15. The mold can effectively avoid the accelerated aging of the bolt 7 in a high-temperature environment, thereby affecting the separation of the mold.

[0033] Working principle: in the mold preparation process, first with the tool can be pressed to the bottom die 2 limit support die 4 die cavity 5 bottom, and then set on the bottom die 2 matched side die 1, upper die 3, finally using bolt 7 will be the overall mold positioning, reinforcement. Through the inlet 6 pouring metal liquid, after the whole valve seat forming, limit support die 4 fixed on the workbench after, bolt 7 loose to the upper die 3 connection, can be separated by mechanical equipment, after the bolt 7 fixed on the side die 1 and by mechanical equipment, the side die 1 is separated, at this time the valve seat has been exposed, can be directly manual demoulding.

[0034] The above is only the preferred embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A valve base mold facilitating demolding, characterized by: The device includes a side mold (1), a bottom mold (2), an upper mold (3), and a limiting support mold (4). The limiting support mold (4) has a mold cavity (5) inside. The bottom mold (2) is fitted at the bottom of the mold cavity (5). The inner wall of the mold cavity (5) is in close contact with the outer side of the side mold (1). The side mold (1) is a metal ring structure. The bottom of the side mold (1) is in close contact with the edge of the bottom mold (2). The upper side of the side mold (1) has a feed port (6). The upper mold (3) is fitted directly above the side mold (1). The edge of the upper mold (3) is connected to the limiting support mold (4) by bolts (7). The upper mold (3) has a through air outlet (8).

2. A valve base mold facilitating demolding according to claim 1, characterized in that: A limiting ring (9) is provided on the outer side of the side mold (1). The limiting ring (9) is integrally formed with the side mold (1). The cross section of the limiting ring (9) is a right triangle with the inclined surface facing upward. The lower surface of the limiting ring (9) is in close contact with the top outer ring of the limiting support mold (4).

3. A valve base mold facilitating demolding according to claim 1, characterized in that: A connecting ring (10) is provided on the top of the outer side of the side mold (1). The connecting ring (10) has several bolt holes (11). The bolts (7) connecting the upper mold (3) and the limiting support mold (4) can pass through the bolt holes (11).

4. A valve base mold facilitating demolding according to claim 1, characterized in that: The bottom mold (2) has a stepped groove A (12) that is recessed downwards at the edge of its upper surface. The width of the groove A (12) is equal to the thickness of the outer wall of the side mold (1).

5. A valve base mold facilitating demolding according to claim 1, characterized in that: The lower surface edge of the upper mold (3) is provided with a stepped groove B (13) that is recessed downwards, and the width of the groove B (13) is equal to the outer wall thickness of the side mold (1).

6. A valve base mold for easy demolding according to claim 1, characterized in that: The lower outer edge of the limiting support mold (4) is provided with several connecting blocks (14), and the connecting blocks (14) are integrally formed with the limiting support mold (4).

7. A valve base mold for easy demolding according to claim 1, characterized in that: The top of the bolt (7) is annular, and the outside of the bolt (7) is covered with a heat insulation layer (15).

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