CN214161136U

CN214161136U - Mould for pressing conical valve core

Info

Publication number: CN214161136U
Application number: CN202023176875.7U
Authority: CN
Inventors: 金璇; 陆庆忠; 张均辉; 刘瑞坤; 王义文; 杨军; 姚望
Original assignee: Qianjiang Xinrui Carbide Tools Co ltd
Current assignee: Qianjiang Xinrui Carbide Tools Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-10
Anticipated expiration: 2030-12-25

Abstract

The utility model relates to a mould of suppression toper case contains the bed die and arranges the components of a whole that can function independently upper punch, the core bar in it, down the punch, the lower part of components of a whole that can function independently upper punch is equipped with the toper section unanimous with the appearance toper of toper case, the core bar cooperates in down the punch, the upper portion of core bar is equipped with the toper section unanimous with the inner chamber toper of toper case and the cylinder section unanimous with the frustum section, down the punch is relative with the components of a whole that can function independently upper punch, all cooperate with the bed die, the components of a whole that can function independently upper punch can be followed vertical decomposition and be 2 ~ 6. The split upper punch is longitudinally divided into a first split upper punch, a second split upper punch and a third split upper punch, when the pressing is finished, the split upper punches can be directly separated outwards after being removed from the female die, and the first split upper punch, the second split upper punch and the third split upper punch are separated from each other so as to be separated from the conical valve core blank, and the problem that a pressed blank cannot be demoulded is effectively solved; not only reduces the soft processing procedure, but also can obtain a pressed compact with better appearance.

Description

Mould for pressing conical valve core

Technical Field

The utility model relates to a mould of suppression toper case belongs to carbide production facility technical field.

Background

The structure of the hard alloy conical valve core 101 is shown in fig. 1, the whole shape is conical, the inner cavity is conical and is provided with an inner platform, and the pressing and demoulding are difficult because the straight platform section is small. The main idea of the current press forming design is to add a platform on the top of the pressed blank, and then to perform soft processing on the pressed blank to remove the redundant platform. The soft processing production procedure is added, and the production efficiency is reduced; in addition, the soft blank subjected to soft processing has poor surface smoothness and cannot meet the requirement of product appearance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects in the prior art and providing a die for pressing a conical valve core.

The purpose of the utility model is realized through the following technical scheme:

the mould for pressing the conical valve core is characterized in that: the split type upper punch comprises a female die, and a split upper punch, a core rod and a lower punch which are arranged in the female die, wherein the lower part of the split upper punch is provided with a conical section consistent with the shape and the conical shape of a conical valve core, the core rod is matched with the lower punch, the upper part of the core rod is provided with a conical section consistent with the conical shape of an inner cavity of the conical valve core and a cylindrical section consistent with a straight section, the lower punch is opposite to the split upper punch and is matched with the female die, and the split upper punch can be longitudinally decomposed into 2-6 blocks.

Further, according to the die for pressing the conical valve core, the split upper punch is uniformly decomposed into 3 blocks along the longitudinal direction.

Further, in the above die for pressing the conical valve core, the mating manner of the split upper punch and the female die is clearance fit.

Further, in the above die for pressing the conical valve core, the lower punch and the female die are in clearance fit.

Further, in the above die for pressing the conical valve core, the split upper punch and lower punch are made of cemented carbide or tool steel.

Further, in the above die for pressing the conical valve core, the material of the female die is 45# steel.

Compared with the prior art, the utility model have apparent advantage and beneficial effect, the concrete aspect that embodies is in following:

the utility model has unique design and novel structure, the split upper punch is divided into a first branch upper punch, a second branch upper punch and a third branch upper punch along the longitudinal direction, and when the pressing is finished, the conical valve core blank is wrapped in the first branch upper punch, the second branch upper punch and the third branch upper punch and is demolded successfully along with the first branch upper punch, the second branch upper punch and the third branch upper punch; after the split upper punch is separated from the female die, the split upper punch can be directly separated outwards, namely the first part upper punch, the second part upper punch and the third part upper punch are separated, so that the split upper punch is separated from a conical valve core blank, and the problem that a pressed blank cannot be demoulded is effectively solved; not only reduces the soft processing procedure, but also can obtain a pressed compact with better appearance, and improves the production efficiency and the product quality; the demoulding is convenient and safe, the production operation efficiency is high, the die can be widely applied to pressing hard alloy conical valve core blanks, and the product quality is good. Is simple and applicable, and is a new practical design.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1: the structure schematic diagram of the conical valve core;

FIG. 2: the main section schematic diagram of the die of the utility model;

FIG. 3: a main section schematic diagram of a split upper punch;

FIG. 4: a top view schematic diagram of a split upper punch.

The meanings of the reference symbols in the figures are given in the following table:

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the directional terms and the sequence terms and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

As shown in fig. 2 to 4, the die for pressing the conical valve core includes a female die 102, and a split upper punch 103, a core bar 104, and a lower punch 105 which are disposed in the female die, wherein a conical section corresponding to the outer shape of the conical valve core 101 is disposed at the lower portion of the split upper punch 103, the core bar 104 is fitted into the lower punch 105, a conical section corresponding to the inner cavity of the conical valve core 101 and a cylindrical section corresponding to the straight section are disposed at the upper portion of the core bar 104, the lower punch 105 is opposite to the split upper punch 103, the split upper punch 103 is in clearance fit with the female die 102, the lower punch 105 is in clearance fit with the female die 102, and the split upper punch 103 is uniformly divided into 3 pieces along the longitudinal direction, that is, i.e., a first split upper punch 1031, a second split upper punch 1032, and a third split upper punch 1033.

Specifically, the upper punch 103 and the lower punch 105 are made of cemented carbide or tool steel. The female die 102 is made of 45# steel.

The die can be used on a press machine to produce a hard alloy conical valve core blank, the whole conical surface of a pressed blank obtained after pressing is arranged in the split upper punch 103, and the pressed blank is not easy to fall off from the split upper punch 103. The split upper punch 103 is longitudinally divided into a first sub upper punch 1031, a second sub upper punch 1032 and a third sub upper punch 1033 by laser cutting, and when the pressing is finished, the conical valve core blank 101 is wrapped in the first sub upper punch 1031, the second sub upper punch 1032 and the third sub upper punch 1033 and is successfully demoulded along with the first sub upper punch 1031, the second sub upper punch 1032 and the third sub upper punch 1033; after the split upper punch 103 is removed from the female die 102, the split upper punch can be directly separated outwards, namely the first partial upper punch 1031, the second partial upper punch 1032 and the third partial upper punch 1033 are separated from each other, so that the split upper punch is separated from the conical valve core blank 101, and the problem that a pressed blank cannot be demoulded is effectively solved. Not only reduces the soft processing procedure, but also can obtain a pressed compact with better appearance, and improves the production efficiency and the product quality.

To sum up, the utility model relates to an uniqueness, novel structure, the drawing of patterns is not only convenient but also safe, and production operating efficiency is high, but wide application in suppression carbide toper case blank, the product quality is good.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. Mould of suppression toper case, its characterized in that: the split type upper punch comprises a female die (102), and a split upper punch (103), a core rod (104) and a lower punch (105) which are arranged in the female die, wherein a conical section consistent with the appearance conical shape of a conical valve core (101) is arranged at the lower part of the split upper punch (103), the core rod (104) is matched in the lower punch (105), a conical section consistent with the inner cavity conical shape of the conical valve core (101) and a cylindrical section consistent with a straight section are arranged at the upper part of the core rod (104), the lower punch (105) is opposite to the split upper punch (103) and is matched with the female die (102), and the split upper punch (103) can be longitudinally decomposed into 2-6 blocks.

2. The die for pressing a conical valve core according to claim 1, wherein: the split upper punch (103) is uniformly decomposed into 3 blocks along the longitudinal direction.

3. The die for pressing a conical valve core according to claim 1, wherein: the matching mode of the split upper punch (103) and the female die (102) is clearance fit.

4. The die for pressing a conical valve core according to claim 1, wherein: the lower punch (105) is matched with the female die (102) in a clearance fit mode.

5. The die for pressing a conical valve core according to claim 1, wherein: the split upper punch (103) and the split lower punch (105) are made of hard alloy or tool steel.

6. The die for pressing a conical valve core according to claim 1, wherein: the female die (102) is made of 45# steel.