CN209971362U

CN209971362U - Mould with automatic form removal function

Info

Publication number: CN209971362U
Application number: CN201920339098.1U
Authority: CN
Inventors: 陶世兵
Original assignee: Anhui Shixuan Machinery Technology Co Ltd
Current assignee: Anhui Shixuan Machinery Technology Co Ltd
Priority date: 2019-03-15
Filing date: 2019-03-15
Publication date: 2020-01-21
Anticipated expiration: 2029-03-15

Abstract

The utility model discloses a mould with automatic form removal function, include: go up the mould and include: the device comprises a pressing part, a glue injection part, an extension part and a material guide area, wherein the material guide area is arranged on the pressing part, the extension part is annularly arranged at the bottom of the pressing part, the extension part is arranged at the bottom of the glue injection part, and the size of the extension part is smaller than that of the glue injection part; the pressing part and the glue injection part are provided with communicated glue injection through holes; the middle mold comprises a first mold half and a second mold half; the lower die comprises a die shell, a die core placing area and a material guiding flowing area, wherein the material guiding flowing area is positioned at the bottom of the die core placing area, and the die core placing area is positioned in the inner space of the die shell; the device that demolishes of mould includes: the controller is connected with the air cylinder, and the air cylinder is respectively connected with the first connecting rod, the second connecting rod and the third connecting rod; the first connecting rod is connected with the upper die, the second connecting rod is connected with the first half die, and the third connecting rod is connected with the second half die. Adopt the utility model discloses an embodiment can be convenient for carry out the drawing of patterns after the mould is fashioned.

Description

Mould with automatic form removal function

Technical Field

The utility model relates to a structural improvement technical field of mould with automatic form removal function especially relates to a mould with automatic form removal function.

Background

The glue injection molding is that glue is heated and melted in a heating charging barrel of a glue injection machine, then enters a mold cavity through a nozzle and a pouring system of the mold under the pushing of a screw rod or a piston of the glue injection machine, and finally is hardened and molded in the mold cavity. This is a simple process of injection molding, and the mold used for injection molding is called mold. The glue injection mold is mainly used for molding glue products, but is more and more used for molding thermosetting glue in recent years. The glue injection molding occupies a great proportion in the molding of the sizing material products, so that the glue injection mold is mostly used in the production of the sizing material molding mold. However, most of the original rubber vulcanization molding adopts a compression molding process, an injection molding mold is limited by the process and a sizing material flow channel, the number of the obtained molds is small, the product qualification rate is not high, and the productivity is low.

Particularly, for some rubber products, such as sealing parts used for automobile water pumps and the like, the shape is complex and the size requirement is high, due to special requirements on performance, the Mooney viscosity of rubber materials is high, the fluidity is poor, the structure of the existing injection molding die, the injection direction and the direction of a rubber material framework are consistent, the rubber injection part deforms during the vulcanization process of rubber products due to overlarge pressure, and the demolding is difficult.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a mould with automatic form removal function, mould shaping is through mould, fixed lower mould in the activity and go up the mould and form jointly, drives the cylinder action through the controller during the drawing of patterns, realizes the pulling drawing of patterns to the first half module of well mould and second half module to and the drawing of patterns to last mould, realize automatic drawing of patterns. The specific technical scheme is as follows:

in order to achieve the above object, an embodiment of the present invention provides a mold with automatic form removal function, including: an upper die, a middle die and a lower die;

the upper die comprises: the material guide area is arranged on the compressing part, the extending part is arranged at the bottom of the compressing part in a surrounding manner, the extending part is arranged at the bottom of the glue injecting part, and the size of the extending part is smaller than that of the glue injecting part; the pressing part and the glue injection part are provided with communicated glue injection through holes;

the middle mold comprises a first mold half and a second mold half, and the first mold half and the second mold half are detachably connected;

the lower die comprises a die shell, a die core placing area and a material guiding flowing area, wherein the material guiding flowing area is positioned at the bottom of the die core placing area, and the die core placing area is positioned in the inner space of the die shell;

the top of going up the mould includes the form removal device, the form removal device includes: the device comprises a controller, a cylinder, a first connecting rod, a second connecting rod and a third connecting rod; the controller is connected with the air cylinder, and the air cylinder is respectively connected with the first connecting rod, the second connecting rod and the third connecting rod;

the first connecting rod is connected with the upper die, the second connecting rod is connected with the first half die, and the third connecting rod is connected with the second half die.

In a preferred embodiment of the present invention, the form removing device includes: a connecting rod, the connecting rod comprising: the fixed end is connected with the upper die, the second through hole is parallel to the third through hole, and the second connecting rod is connected with the first half die through the second through hole; the third connecting rod is connected with the second half die through the third through hole.

In a preferred embodiment of the present invention, the mold housing includes a bottom mold and a base;

the bottom die is provided with a plurality of heating zones, each heating zone is perpendicular to the plane where the bottom die is located, the heating zones are provided with electric heating tubes, the heating zones are uniformly distributed around the material injection zone, and the bottom of the bottom die is provided with a second groove;

the base is provided with a wire hole and a first groove, the wire hole is communicated with each heating area space, the first groove and the second groove are matched to form a placing hole during installation, a thermocouple is transversely placed in the placing hole, and the thermocouple is connected with a temperature control meter.

In a preferred embodiment of the present invention, the bottom mold includes: the inclined plane extends towards the direction where the bottom die is located, and a lead placing area is formed at the joint of the plane and the inclined plane.

In the preferred embodiment of the present invention, the distance between the inner surface of each heating zone and the outer surface of the electric heating tube is 4mm-9 mm.

The utility model discloses an among the preferred embodiment, be provided with on the bottom plane of die block a plurality ofly with the zone of heating assorted recess, form the L type zone of heating for place L type electrothermal tube.

In the preferred embodiment of the present invention, the L-shaped heating zones are distributed in two rows, and along the straight line where the thermocouple is located, the L-shaped heating zones are symmetrically distributed.

Use the embodiment of the utility model provides a pair of mould with automatic tear-off function, mould shaping is through the mould in the activity, fixed lower mould and last mould form jointly, drive the cylinder action through the controller during the drawing of patterns, realize the pulling drawing of the first half mould and the second half mould to well mould, and to the drawing of patterns of last mould, realize automatic drawing of patterns, through the notes gluey portion, the extension carries out the injecting glue that evenly flows in the guide flow district in to the lower mould and flows the district then stretch the mold core and place the district and carry out the injecting glue through the guide of lower mould, it is inhomogeneous to avoid the injecting glue, therefore, can realize evenly carrying out the injecting glue in the mould, improve the injecting glue effect.

Drawings

Fig. 1 is a first structural schematic diagram of a mold with an automatic mold stripping function according to the present invention;

fig. 2 is a second structural schematic diagram of the mold with automatic mold stripping function according to the present invention;

fig. 3 is a third structural schematic diagram of the mold with automatic mold stripping function according to the present invention;

fig. 4 is a fourth structural schematic diagram of the mold with automatic mold stripping function according to the present invention.

Fig. 5 is a fifth structural schematic diagram of the mold with automatic mold stripping function according to the present invention;

fig. 6 is a sixth structural schematic diagram of the mold with automatic mold stripping function according to the present invention;

fig. 7 is a seventh structural schematic diagram of the mold with automatic form removal function of the present invention.

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.

Referring to fig. 1, an embodiment of the present invention provides a mold with an automatic form removal function, including: an upper die 21, a middle die 22 and a lower die 23. When the device is installed and used, the upper die 21, the middle die 22 and the lower die 23 are sequentially installed and placed.

Specifically, the upper die 21 includes: the material guide device comprises a pressing part 211, an injection part 212, an extension part 213 and a material guide area 214, wherein the material guide area 214 is arranged on the pressing part 211, the extension part 213 is annularly arranged at the bottom of the pressing part 211, the extension part 213 is arranged at the bottom of the injection part 212, and the size of the extension part 213 is smaller than that of the injection part 212; the pressing portion 211 and the glue injection portion 212 are provided with communicated glue injection through holes.

It should be noted that the pressing portion 211 is used for pressing the mold, the glue injection portion is used for filling glue inwards, and the glue flows downwards through the glue injection portion 212 after being melted, and then flows into the extending portion 213 and then flows into the material guiding region 214. The utility model discloses in set up extension 213 and be narrower than the entry for the export, be convenient for control injecting glue speed, the material flow homogeneity is guaranteed.

The middle mold 22 is located below the upper mold 21, and comprises a first mold half 221 and a second mold half 222, and the first mold half 221 and the second mold half 222 are detachably connected; the first half mold 221 and the second half mold 222 can be pulled apart to perform the mold stripping operation. In the present invention, the first half mold 221 and the second half mold 222 may be two half molds with symmetrical structures, or may be asymmetrical. When the half-mould is mechanically disassembled, the arrangement is usually symmetrical, so that the mechanical application of the pulling force is facilitated.

The lower mold 23 is located below the middle mold 22, and includes a mold housing 231, a mold core placement area 232, and a material guiding flow area 233, wherein the material guiding flow area 233 is located at the bottom of the mold core placement area 232, and the mold core placement area 232 is located in an inner space of the mold housing 231.

It can be understood that the glue injection liquid flowing downwards from the glue injection part flows downwards through the gap of the mold core placing area 232, so that the glue injection liquid flowing from the bottom area in sequence is formed, the mold core placing area 232 is surrounded in sequence until glue injection is completed, and the problems of hollowness or poor glue injection and the like are avoided.

The glue injection part 212 and the extension part 213 are used for injecting glue to the material guide flowing area 233 in the lower die 23 in a uniform flowing manner, the glue flows through the material guide flowing area 233 of the lower die 23 and then spreads the die core placing area 232 for injecting glue, and uneven glue injection is avoided, so that glue injection can be uniformly performed in the die, and the glue injection effect is improved.

As shown in fig. 2, the top of the upper mold includes a mold removing device, which includes: a controller 31, a cylinder 32, a first connecting rod 33, a second connecting rod 34, and a third connecting rod 35; the controller 31 is connected with the cylinder 32, and the cylinder 32 is respectively connected with the first connecting rod 33, the second connecting rod 34 and the third connecting rod 35; the first link 33 is connected to the upper mold 21, the second link 34 is connected to the first mold half 221, and the third link 35 is connected to the second mold half 222.

It should be noted that, during demolding, the controller drives the cylinder to act, so as to realize pulling demolding of the first half mold and the second half mold of the middle mold, and demolding of the upper mold, and matching with the structure of the mold itself, so that a mold and demolding device integrated structure which is simple in structure and easy to realize is provided, and automatic demolding is realized.

As shown in fig. 3, the form removing apparatus includes: a connecting rod 36, the connecting rod 36 comprising: a fixed end 361, a first through hole 362, a second through hole 363, and a third through hole 364, wherein the fixed end 361 is connected to the upper mold 21, the second through hole 363 is parallel to the third through hole 364, and the second link 34 is connected to the first half mold 221 through the second through hole 363; the third link 35 is connected to the second mold half 222 through the third through hole 364.

The upper die 21 is fixed by the connecting rod 36. In addition, in a specific implementation manner, the first link 33, the second link 34, and the third link 35 may be separated from one connecting sleeve and then connected to the first mold half 221 and the second mold half 222 at the second through hole 363 and the third through hole 364, respectively, and then the first link 33 is connected to the upper mold 21 from the first through hole 362, so that the integral connection structure is realized, and the structure is simple.

A bottom die 11 and a base 12; the bottom die 11 is provided with a plurality of heating zones 111, each heating zone 111 is perpendicular to the plane of the bottom die 11, the heating zones 111 are provided with electric heating tubes, and the heating zones are uniformly distributed around the material injection zone; be provided with line hole 121, first recess 122 on the base 12, line hole 121 and each zone of heating space intercommunication, the bottom die 11's bottom is provided with second recess 112, during the installation, first recess 122 with second recess 112 phase-match forms places the hole, it has transversely put the thermocouple to place downthehole, the thermocouple is connected with the control by temperature change table.

It should be noted that the material injection region 1 is a place for temporarily storing or circulating the liquid material to be injected, and the liquid material is injected at a high temperature through the material injection region 1 and then is formed. So the embodiment of the utility model provides an in the zone of heating in order to carry out even heating, so be evenly distributed around annotating the material district.

The existing mode is that heating is carried out through a horizontal heating rod, so that the heating area can be relatively close to, and energy conservation is facilitated, but the actual effect shows that the heating effect is not ideal, and the problem of rapid rising can cause uneven heating.

In the embodiment of the present invention, as shown in fig. 4, it is the bottom view of the bottom die 11 or the sectional effect drawing, in the utility model, through the plane where each heating zone 111 is perpendicular and the bottom die 11 is located, that is to say, the heating zone is to annotating the material district and carry out the vertical heating, the realization is to annotating the even heating in material district.

On the other hand, because the zone of heating 111 is vertical heating, so the trend of electrothermal tube is also vertical, will relate to the line problem of walking of circuit like this, the utility model discloses in, in order to guarantee to walk line safety, through being provided with line hole 121 on base 12, through line hole and each zone of heating space intercommunication UNICOM, realize that the wire in the line hole is connected with the electrothermal tube of each zone of heating. On the other hand, in order to determine the heating temperature and avoid overhigh temperature, the temperature is measured through a thermocouple, and the thermocouple is connected with a temperature control meter to realize automatic protection of overhigh temperature. Then, in order to realize the arrangement of the whole structure, a placement hole is formed by matching the first groove 122 with the second groove 112, and is used for accommodating a thermocouple, so that the arrangement is orderly.

On the other hand, the L-shaped heating zones are distributed in two rows and are symmetrically distributed along the straight line where the thermocouples are located. The thermocouples can evenly sense the heating effect of the heating areas in the two rows.

As shown in fig. 5 and 6, in an implementation manner of the present invention, the base 12 includes: a plane 123 and a slope 124, the slope 124 extends toward the bottom die 11, and a wire placing area is formed at the junction of the plane 123 and the slope 124. The bottom die is provided with the inclined plane matched with the inclined plane, so that deviation is generated when the die is sleeved, splicing can be easily performed through the inclined plane, and splicing efficiency is improved.

In one implementation of the present invention, the distance between the inner surface of each heating zone and the outer surface of the electric heating tube is 4mm-9 mm. According to the expansion with heat and contraction with cold nature of object, avoid electric heating pipe inflation and wall body collision when generating heat.

As shown in fig. 7, in an implementation manner of the present invention, a plurality of grooves 125 matched with the heating zone are provided on the bottom plane of the base 12 to form an L-shaped heating zone for placing an L-shaped electric heating tube.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. A mold with an automatic mold removing function is characterized by comprising: an upper die, a middle die and a lower die;

2. The mold with automatic mold stripping function according to claim 1, wherein the mold stripping device comprises: a connecting rod, the connecting rod comprising: the fixed end is connected with the upper die, the second through hole is parallel to the third through hole, and the second connecting rod is connected with the first half die through the second through hole; the third connecting rod is connected with the second half die through the third through hole.

3. The mold with the automatic form removing function according to claim 1 or 2, wherein the mold housing comprises a bottom mold and a base;

4. The mold with automatic form removal function according to claim 3, wherein the bottom mold comprises: the inclined plane extends towards the direction where the bottom die is located, and a lead placing area is formed at the joint of the plane and the inclined plane.

5. The mold with automatic die removing function as claimed in claim 4, wherein the distance between the inner surface of each heating zone and the outer surface of the electric heating tube is 4mm-9 mm.

6. The mold with the automatic form removing function according to claim 5, wherein the bottom plane of the bottom mold is provided with a plurality of grooves matching with the heating zone to form an L-shaped heating zone for accommodating the L-shaped electric heating tube.

7. The mold with the automatic demolding function as claimed in claim 6, wherein the L-shaped heating zones are distributed in two rows and are symmetrically distributed along a straight line where the thermocouples are located.