CN211638228U

CN211638228U - Multilayer mold with accurate positioning

Info

Publication number: CN211638228U
Application number: CN201922054971.5U
Authority: CN
Inventors: 胡瑞华
Original assignee: Zhengzhou University of Industrial Technology
Current assignee: Zhengzhou University of Industrial Technology
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-10-09
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a multilayer mould that location is accurate, including last mould body, first mould, second mould, third mould, bed die body, long screw, it passes through the first mould of short screw connection to go up mould body lower extreme, be connected through the locating pin between first mould and the second mould, the fixed third mould that is provided with of second mould lower extreme, the lower extreme of third mould passes through locking screw and connects bed die body, long screw connection second mould, third mould, bed die body. Adopt the design of burst formula, through be provided with the limbers around model cavity, the limbers sets up the inside of first mould, second mould, the access & exit of limbers is provided with the threaded connection mouth, can connect the water pipe on the threaded connection mouth, carries out the water-cooling to the mould is inside, solves the not good problem of mould cooling effect.

Description

Multilayer mold with accurate positioning

Technical Field

The utility model relates to the technical field of mold, specifically be an accurate multilayer mould fixes a position.

Background

Moulds (Mule) are used for obtaining various moulds and tools of required products by injection moulding, blow moulding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother". The blank is formed into a tool with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. When the blank is closed, the blank is injected into the die cavity for forming. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, and the development level of die production is one of important marks of the mechanical manufacturing level. The mould of prior art is upper and lower structure, and the cooling effect of mould is not good.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a fix a position accurate multilayer mould has solved prior art's mould and has been the upper and lower structure, and the not good technical problem of cooling effect of mould.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a multilayer mould of location accuracy, includes mould body, first mould, second mould, third mould, bed die body, long screw, it connects first mould through short screw to go up mould body lower extreme, be connected through the locating pin between first mould and the second mould, the fixed third mould that is provided with of second mould lower extreme, the lower extreme of third mould passes through locking screw and connects the bed die body, long screw connects second mould, third mould, bed die body.

Preferably, the first die and the second die are provided with positioning holes matched with the positioning pins, and the first die and the second die are provided with rectangular grooves for positioning.

Preferably, a casting opening is fixedly arranged on the upper die body and is conical.

Preferably, a mold cavity for mold forming is formed in the middle of the first mold, the second mold and the third mold after combination, the outer dimensions of the first mold, the second mold and the third mold are the same, and the first mold, the second mold and the third mold are square.

Preferably, the number of the rectangular grooves is three, and the three rectangular grooves are arranged on three adjacent sides of the first die and the second die.

Preferably, limber holes are formed in the periphery of the model cavity, the limber holes are formed in the first mold and the second mold, and threaded connectors are arranged at the inlet and the outlet of the limber holes.

Advantageous effects

The utility model provides a fix a position accurate multilayer mould. Compared with the prior art, the method has the following beneficial effects: adopt the design of burst formula, through be provided with the limbers around model cavity, the limbers sets up the inside of first mould, second mould, the access & exit of limbers is provided with the threaded connection mouth, can connect the water pipe on the threaded connection mouth, carries out the water-cooling to the mould is inside, solves the not good problem of mould cooling effect.

Drawings

FIG. 1 is a view showing the structure of the present invention;

FIG. 2 is a bottom view of the present invention;

FIG. 3 is a first side view of the present invention;

FIG. 4 is a second side view of the present invention;

fig. 5 is a top view structural diagram of the upper die body of the present invention;

fig. 6 is a side view structural diagram of the upper die body of the present invention;

fig. 7 is a top view structural diagram of the first mold of the present invention;

fig. 8 is a side view structural diagram of the first mold of the present invention;

fig. 9 is a top view structural diagram of a second mold of the present invention;

fig. 10 is a side view structural view of a second mold of the present invention;

fig. 11 is a top view structural diagram of a third mold of the present invention;

fig. 12 is a side view structural view of a third mold of the present invention;

fig. 13 is a plan view structural view of the lower die body of the present invention;

fig. 14 is a side view structural diagram of the lower die body of the present invention.

In the figure: the casting mold comprises an upper mold body 1, a first mold 2, a second mold 3, a third mold 4, a lower mold body 5, a positioning hole 6, a positioning pin 7, a short screw 8, a long screw 9, a locking screw 10, a casting opening 101, a mold cavity 201, a rectangular groove 202, a water through hole 203 and a threaded connecting port 204.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-14, the utility model provides a multilayer mold with accurate positioning, including last mould body 1, first mould 2, second mould 3, third mould 4, bed die body 5, long screw 9, go up 1 lower extreme of mould body and pass through short screw 8 and connect first mould 2, be connected through locating pin 7 between first mould 2 and the

second mould

3, 3 lower extreme of second mould are fixed and are provided with third mould 4, the lower extreme of third mould 4 passes through locking screw 10 and connects bed die body 5, second mould 3, third mould 4, bed die body 5 are connected to long screw 9.

Further, the first die 2 and the second die 3 are provided with positioning holes 6 matched with the positioning pins 7, and the first die 2 and the second die 3 are provided with rectangular grooves 202 for positioning.

Further, a casting opening 101 is fixedly arranged on the upper die body 1, and the casting opening 101 is conical.

Further, a mold cavity 201 for mold forming is formed in the middle of the first mold 2, the second mold 3, and the third mold 4 after the first mold 2, the second mold 3, and the third mold 4 are combined, the outer dimensions of the first mold 2, the second mold 3, and the third mold 4 are the same, and the first mold 2, the second mold 3, and the third mold 4 are square.

Further, there are three rectangular grooves 202, and three rectangular grooves 202 are disposed on three adjacent sides of the first mold 2 and the second mold 3.

Furthermore, water through holes 203 are formed around the mold cavity 201, the water through holes 203 are formed inside the first mold 2 and the second mold 3, and threaded connection ports 204 are formed at the inlet and the outlet of the water through holes 203.

Example (b): adopt the design of burst formula, through be provided with limbers 203 around model cavity 201, limbers 203 sets up the inside of first mould 2, second mould 3, the access & exit of limbers 203 is provided with threaded connection mouth 204, can connect the water pipe on threaded connection mouth 204, carries out the water-cooling to the mould is inside, solves the not good problem of mould cooling effect.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multi-layer die with accurate positioning comprises an upper die body (1), a first die (2), a second die (3), a third die (4), a lower die body (5) and long screws (9), and is characterized in that the lower end of the upper die body (1) is connected with the first die (2) through short screws (8), the first die (2) is connected with the second die (3) through positioning pins (7), the lower end of the second die (3) is fixedly provided with the third die (4), the lower end of the third die (4) is connected with the lower die body (5) through locking screws (10), the long screws (9) are connected with the second die (3), the third die (4) and the lower die body (5), and a die cavity (201) for die forming is formed in the middle after the first die (2), the second die (3) and the third die (4) are combined, and water through holes (203) are formed in the periphery of the model cavity (201), the water through holes (203) are formed in the first die (2) and the second die (3), and threaded connecting ports (204) are formed in the inlet and the outlet of the water through holes (203).

2. A multilayer mould with accurate positioning according to claim 1, characterized in that the first mould (2) and the second mould (3) are provided with positioning holes (6) matched with the positioning pins (7), and the first mould (2) and the second mould (3) are provided with rectangular grooves (202) for positioning.

3. A multilayer accurately positioned mould according to claim 1, characterized in that said upper mould body (1) is fixedly provided with a casting gate (101), said casting gate (101) being tapered.

4. A positionally accurate multi-layer mold as claimed in claim 1, wherein the outer dimensions of the first, second and third molds (2, 3, 4) are identical and the first, second and third molds (2, 3, 4) are square in shape.

5. A multi-level die set with accurate positioning according to claim 2, characterized in that the number of said rectangular grooves (202) is three, and three said rectangular grooves (202) are arranged at three adjacent sides of the first die set (2) and the second die set (3).