CN216632588U

CN216632588U - Demoulding base structure of mould

Info

Publication number: CN216632588U
Application number: CN202123447639.9U
Authority: CN
Inventors: 严永林
Original assignee: SHAREATE TOOLS Ltd
Current assignee: SHAREATE TOOLS Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-31
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a demoulding base structure of a mould, wherein a pillar is vertically fixed in the middle of a lower bottom plate, a through hole matched with the pillar is formed in the middle of an upper top plate, the upper top plate is sleeved on the pillar and can slide along the pillar, a supporting spring is connected between the upper top plate and the lower bottom plate, a central threaded hole is formed in the top end of the pillar, a replaceable top head is T-shaped and comprises a vertical threaded part and a transverse end part, the vertical threaded part is screwed in the central threaded hole, the diameter of the transverse end part is larger than the diameter of the through hole in the upper top plate, and the replaceable top heads with different diameters can be assembled on the pillar. Can satisfy the pressed product of different diameters through the quick replacement top by the drawing of patterns, select suitable removable top to assemble on the pillar according to by drawing of patterns utensil bed die diameter size, mould bed die presses on last roof, when the press moves down, is pushed out by the pillar that has the top by the green compact of taking off and punching from top to bottom, bed die and drawing of patterns base upper plate are supported by the spring, avoid the risk that the mould is pounded by through spring buffer structure.

Description

Demoulding base structure of mould

Technical Field

The utility model relates to a demoulding base structure of a mould, belonging to the technical field of powder metallurgy compression molding equipment.

Background

At present, need use manual mould among the powder metallurgy compression molding, the product is suppressed and is demoulded the in-process and adopt the core bar that is less than the bed die diameter to put the briquetting and push out with punching from top to bottom below down usually, nevertheless needs the operator to hold the bed die at this in-process, prevents to topple over, even the phenomenon of crushing the core bar still can appear so often, the operator still has the risk that the hand is pounded, has increased mould cost and operational risk.

Therefore, it is necessary to design a mold base for a mold to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a demoulding base structure of a mould, aiming at reducing the manufacturing cost of the mould and avoiding the risk of operation accidents.

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

the demoulding base structure of the mould is characterized in that: contain the lower plate, go up roof and removable top, a fixed pillar is erect at the middle part of lower plate, the middle part of going up the roof offer be used for with pillar complex through-hole, go up the roof cover arrange in on the pillar, can follow the pillar and slide, go up and be connected with supporting spring between roof and the lower plate, the top of pillar is equipped with central screw hole, removable top is the T type, contain vertical screw thread portion and horizontal tip, vertical screw thread portion assembles in central screw hole soon, the diameter of horizontal tip is greater than the aperture of through-hole on the roof, can assemble the removable top of different diameters on the pillar.

Further, in the above demolding base structure of the mold, the graphite guide sleeve is installed in the through hole of the upper top plate, and the graphite guide sleeve is in sliding fit with the pillar.

Further, in the above mold release base structure of the mold, four of the support springs are distributed in a four-vertex manner.

Further, in the above mold-releasing base structure, the four supporting springs are distributed in a rectangular four-vertex manner, and the pillar is located at the center point of the rectangle.

Further, in the above mold release base structure, the upper end of the support spring is connected to the lower bottom surface of the upper top plate, and the lower end is connected to the upper surface of the lower bottom plate.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and is embodied in the following aspects:

the ejector is ingenious in design, the ejector can be replaced quickly to achieve the purpose that pressed products with different diameters are ejected, the replaceable ejector is selected according to the diameter of a female die of an ejected die to be assembled on a support, the female die of the die is molded on an upper top plate, when a press moves downwards, an ejected blank and upper and lower punches are ejected by the support with the ejector, the female die and an upper plate of a demolding base are supported by springs, the risk that the die is broken by smashing is avoided through a spring buffer structure, and the ejector has the advantages of being convenient to use, high in universality and the like, production efficiency is improved remarkably, operation accident risk is avoided, and die cost is reduced greatly.

Additional features and advantages of the utility model 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 utility model. The objectives and other advantages of the utility model 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 needed 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 front view of the utility model is schematic;

FIG. 2 is a schematic diagram: the top view of the present invention is schematically illustrated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention 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 figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within 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, etc. are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-2, the demoulding base structure of the mould comprises a lower base plate 1, an upper top plate 2 and a replaceable top 5, a pillar 3 is vertically fixed at the middle part of the lower base plate 1, a through hole matched with the pillar 3 is formed in the middle part of the upper top plate 2, a graphite guide sleeve is arranged in the through hole, the pillar 3 is sleeved with the upper top plate 2, the graphite guide sleeve is in sliding fit with the pillar 3, the upper top plate 2 can slide along the pillar 3, a supporting spring 4 is connected between the upper top plate 2 and the lower base plate 1, a central threaded hole is formed in the top end of the pillar 3, the replaceable top 5 is of a T shape and comprises a vertical threaded part and a transverse end part, the vertical threaded part is screwed in the central threaded hole, the diameter of the transverse end part is larger than the diameter of the through hole in the upper top plate 2, and the replaceable tops with different diameters can be assembled on the pillar 3.

During specific design, four supporting springs 4 are distributed in a rectangular four-vertex mode, and the support 3 is positioned at the center point of the rectangle; the upper end of each supporting spring 4 is connected with the lower bottom surface of the upper top plate 2, and the lower end is connected with the upper surface of the lower bottom plate 1.

During demoulding, a proper replaceable ejector head is selected according to the diameter of a female die of a demoulded die to be assembled on the pillar, the female die of the die is pressed on the upper top plate 2, when the press moves downwards, a demoulded blank and the upper punch and the lower punch are ejected by the pillar with the ejector head, and the female die and the upper plate of the demould base are supported by the spring, so that the female die is prevented from falling and being broken by smashing.

When in specific applicationThe size of the pressed product is

The first choice is to demold

The ejector is assembled on the support, a product to be demolded and a die are placed on a demolding base, the support 3 is vertically aligned with a female die, a press is started, the support 3 ejects an upper punch, a lower punch and a pressed blank from the female die, and demolding is finished;

the size of the pressed product is 100mm multiplied by 100mm, and the first choice is to demould

The ejector is assembled on the support, the demolded product and the die are placed on the demolding base, the support 3 is vertically aligned with the female die, the press is started, and the support 3 ejects the upper punch, the lower punch and the pressed compact from the female die to complete demolding.

In conclusion, the ejector is ingenious in design, the ejector can be replaced quickly to enable pressed products with different diameters to be demolded, the risk that the die is broken due to the fact that the spring buffering structure is adopted is avoided, the ejector has the advantages of being convenient to use, high in universality and the like, production efficiency is improved remarkably, operational accident risks are avoided, and die cost is reduced greatly.

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 scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and shall be covered by the 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. The drawing of patterns base structure of mould, its characterized in that: contain lower plate (1), go up roof (2) and removable top (5), a fixed pillar (3) are erect at the middle part of lower plate (1), the middle part of going up roof (2) is offered and is used for with pillar (3) complex through-hole, go up roof (2) cover and arrange in on pillar (3), can slide along pillar (3), it is connected with supporting spring (4) to go up between roof (2) and lower plate (1), the top of pillar (3) is equipped with central threaded hole, removable top (5) are the T type, contain vertical screw portion and horizontal tip, vertical screw portion revolves to be furnished with in central threaded hole, the diameter of horizontal tip is greater than the aperture of going up through-hole on roof (2), can equip the removable top of different diameters on pillar (3).

2. The knock-out base structure of a mold according to claim 1, wherein: and a graphite guide sleeve is arranged in the through hole on the upper top plate (2), and the graphite guide sleeve is in sliding fit with the support column (3).

3. The demolding seat structure of a mold according to claim 1, wherein: the number of the supporting springs (4) is four, and the supporting springs are distributed in a four-vertex mode.

4. The knock-out base structure of a mold according to claim 1 or 3, wherein: the four supporting springs (4) are distributed in a rectangular four-vertex mode, and the support column (3) is located at the center point of the rectangle.

5. The knock-out base structure of a mold according to claim 1 or 3, wherein: the upper end of the supporting spring (4) is connected with the lower bottom surface of the upper top plate (2), and the lower end is connected with the upper surface of the lower bottom plate (1).