CN111923340A

CN111923340A - Bottom cover mold of dish washing machine

Info

Publication number: CN111923340A
Application number: CN202010719521.8A
Authority: CN
Inventors: 庞国兵
Original assignee: Zhongshan Qingxin Intelligent Technology Co ltd
Current assignee: Zhongshan Qingxin Intelligent Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2020-11-13

Abstract

The utility model provides a dish washer bottom mould which characterized in that: the method comprises the following steps: the top die is a square plate, the middle of the front surface of the top die is arched to form a die injection cavity, an oval injection port is arranged at the top of the die injection cavity, and the injection port penetrates through the whole top die; one side of the top die is provided with a fixing strip protruding out of the top die; the back of the fixed strip is provided with a first elongated mounting groove; the other three edges of the top die except the fixing strips are provided with a plurality of groups of screw holes around the injection cavity of the die, and a plurality of first fixing holes are inserted among the screw holes; bottom die; the middle part of the bottom die is raised to form a model bulge; the shape of the model bulge is matched with that of the injection cavity of the mold; one of them limit of die block is provided with the second mounting groove that the top mould is unanimous, fixes top mould and die block through two sets of fixed modes, and the fastness between the two is changed in the body, has prevented the phenomenon of weeping.

Description

Bottom cover mold of dish washing machine

Technical Field

The invention relates to the field of casting and pressing molds, in particular to a bottom cover mold of a dish washing machine.

Background

The mold is used for producing various molds and tools for obtaining required products by injection molding, blow molding, extrusion, cast pressing or forging forming, smelting, stamping and other methods in the industrial production of molds. 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 shape of an article is realized mainly by changing the physical state of a formed material; the element has the name of "industrial mother".

The dish washer bottom of present plastics is through the cast moulding, and this shaping mode has the production efficiency height, and the melt is to the little characteristics of wearing and tearing of mould, but need make the pressure injection shaping, just need notice two aspects, and first is exactly that die block and top mould need firm locking connection during the cast moulding, can not flow out between top mould and the die block and have the space, otherwise the cast moulding's mould can appear thickness inconsistent, have the incomplete condition of limit angle to take place.

In the existing casting, a top die and a bottom die are locked by matching a plurality of groups of screws and nuts; however, this locking method has certain problems, for example, if a set of screw and nut is not locked, a side leakage phenomenon may occur. It is therefore highly desirable to improve upon existing locking aspects.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the following technical scheme:

has the advantages that: 1. a certain amount of sealing materials can be filled between the first mounting groove and the second mounting groove, so that the quantity of screws and the quantity of the second fixing holes can be reduced on the first aspect, demoulding is facilitated, and the bottom die and the top die can be sealed when the die is manufactured on the second aspect; the liquid leakage is prevented, and the liquid leakage is prevented,

2. a first fixing hole. The cooperation of second fixed orifices, the cooperation of screw in addition through two sets of different modes locking ejector die and die block, has fastened the fastness between the two, and the second fixed orifices is very convenient when dismantling and installing with first fixed orifices simultaneously, has improved the speed of installation with the dismantlement.

Drawings

The drawings are further illustrative of the invention, and the content of the drawings is not to be construed as limiting the invention in any way.

FIG. 1 is a schematic view of the structure of the back side of a top mold

FIG. 2 is a schematic structural diagram of a top mold in front;

FIG. 3 is a schematic view of a bottom die back structure;

FIG. 4 is a schematic structural view of the bottom mold;

FIG. 5 is an exploded view of a dishwasher bottom cover mold;

wherein: the mould comprises a top mould 1, a mould injection cavity 1a, an injection port 1b, a fixing strip 1c, a first installation groove 1ca, a first fixing hole 1d, a bottom mould 2, a mould bulge 2a, a second installation groove 2b, a second fixing hole 2c, an adhesive tape 3, a screw hole 4, a clamping groove 5a, a clamping bulge 5b, a long strip-shaped installation block 6a and a rectangular installation block 6 b.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode with reference to the attached drawings 1-5.

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 5, the top mold 1 is a square plate, the middle of the front surface of the top mold 1 is arched to form a mold injection cavity 1a, an elliptical injection port 1b is arranged at the top of the mold injection cavity 1a, and the injection port 1b penetrates through the whole top mold 1;

one side of the top die 1 is provided with a fixing strip 1c protruding out of the top die 1; the back of the fixed strip 1c is provided with a first elongated mounting groove 1 ca;

the rest three edges of the top die 1 except the fixing strips 1c are provided with a plurality of groups of screw holes 4 around the die injection cavity 1a, and a plurality of first fixing holes 1d are inserted among the screw holes 4;

a bottom die 2; the middle part of the bottom die 2 is raised to form a die bulge 2 a; and the shape of the model bulge 2a is matched with that of the mould injection cavity 1 a; one side of the bottom die 2 is provided with a second mounting groove 2b consistent with the top die 1.

Three edges of the bottom die 2 except the edge provided with the second mounting groove 2b are provided with a plurality of groups of screw holes 4 around the model bulge 2 a; a plurality of second fixing holes 2c are inserted among the screw holes 4; the screw holes 4 of the top die 1 correspond to the screw holes 4 of the bottom die 2 one by one; the first fixing holes 1d correspond to the second fixing holes 2c one to one.

In the embodiment, the top die 1 and the bottom die 2 are locked through the matching of screws and screw holes 4 in the prior art, but in order to prevent the two from being locked or unlocked; a first fixing hole 1d and a second fixing hole 2c are added on the original base layer; in use, a cylinder slightly larger than the first fixing hole 1d is used; inserting the column body into the first fixing hole 1d and the second fixing hole 2c, and locking the first fixing hole 1d and the second fixing hole 2c in an interference manner; the bottom die 2 and the top die 1 can be further locked in the first aspect by locking the first fixing holes 1d and the second fixing holes 2 c; secondly, the time for pulling out the column body is shorter than the time for loosening the screw during demoulding, so that the time for demoulding can be shortened.

Some sealing materials can be filled between the first mounting groove 1ca and the second mounting groove 2b, so that on the first hand, the number of screws and the second fixing holes 2c can be reduced, demoulding is facilitated, and on the second hand, the bottom mould 2 and the top mould 1 can be sealed when a mould is manufactured; preventing liquid leakage.

Preferably, the method further comprises the following steps: a strip-shaped adhesive tape 3; the adhesive tape 3 is a high-temperature resistant adhesive tape 3; the adhesive tape 3 completely adheres to the first mounting groove 1ca, and the adhesive tape 3 connects the second mounting groove 2b and the first mounting groove 1 ca.

In this embodiment, the second mounting groove 2b and the first mounting groove 1ca are filled and sealed with a high-temperature resistant adhesive tape 3. Since the injected material has a certain temperature during the casting process, a high temperature resistant object is required, and the adhesive tape 3 has a certain ductility and can be better inserted into the second mounting groove 2b and the first mounting groove 1 ca.

Preferably, the back surface of the top mold 1 is provided with a blocking groove 5a around the mold injection cavity 1a except for the fixing strip 1c, and the blocking groove 5a is positioned between the screw hole 4 and the mold injection cavity 1 a;

the front surface of the bottom die 2 except the edge provided with the second mounting groove 2b is provided with a clamping bulge 5b surrounding the model bulge 2 a; the clamping protrusion 5b is positioned between the model protrusion 2a and the screw hole 4;

and the blocking groove 5a corresponds to the blocking bulge 5 b.

If the blocking groove 5a and the protrusion are not arranged, when the injected liquid is too much, the liquid can directly flow out from the gap between the top die 1 and the top die 1; however, after the detent recesses 5a and the projections are provided, the detent recesses 5a contain the mold injection cavities 1 a; when the injected liquid is too much, the liquid flows into the clamping groove 5a firstly, but the clamping protrusion 5b is correspondingly closed with the clamping groove 5a, so that the sealing property between the top die 1 and the bottom die 2 is enhanced. If the liquid really flows out, the matching of the clamping bulges 5b and the clamping grooves 5a can also increase the path of the liquid when the liquid flows out, so that the speed of the liquid flowing out is reduced, and valuable reaction time is given to the staff to flow out.

Preferably, the front and back of the mold injection cavity 1a are provided with raised strip-shaped mounting blocks 6a around the injection port 1b, and the front of the fixing strip 1c is provided with raised rectangular mounting blocks 6b at intervals.

The long strip-shaped mounting block 6a on the front surface of the mold injection cavity 1a is used for mounting and fixing the top mold 1; the elongated mounting block 6a of the front face of the mold injection cavity 1a is in the shape for the mold. The rectangular mounting block 6b is used for mounting and fixing the top die 1.

Preferably, the thickness of the top die 1 is 4-6 cm; wherein the thickness of the injection cavity 1a of the mold is 2-3 cm.

Preferably, the thickness of the bottom die 2 is 4-6 cm.

The thicker the mold thickness, the heavier the weight will be, and the heavier the mold will be, the better the top mold 1 will be attached to the bottom mold 2 during the casting process, but the heavier the hydraulic pressure needs to be increased during the demolding process, and the higher the manufacturing cost of the mold will be. The thickness of the top die 1 and the bottom die 2 is 4-6 cm, and the top die 1 and the bottom die 2 are attached to each other in the process of casting and pressing, so that the manufacturing cost of the die can be reduced.

The using method comprises the following steps: before use, the adhesive tape 3 is pressed in the second mounting groove 2b with force, and after half of the adhesive tape 3 is placed in the second mounting groove 2b, the top die 1 is pressed, and the first mounting groove 1ca is aligned with the adhesive tape 3; when the adhesive tape 3 is also inserted into the first mounting groove 1ca, the column can be inserted into the first fixing hole 1d and the second fixing hole 2 c. In general, the column body may be a body having a shape change, such as a hard gel-like body, which is reduced in volume by cooling, is easily inserted into the first fixing hole 1d and the second fixing hole 2c, and when it is returned to normal temperature, the hard gel-like body is restored to its previous volume and is expanded against the first fixing hole 1d and the second fixing hole 2 c. The top die 1 and the bottom die 2 can be fixed only by locking the screw holes 4 with screws. The injection port 1b may be filled with a hot-melt plastic during the injection molding.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive other specific embodiments of the present invention without inventive efforts, which shall fall within the scope of the present invention.

Claims

1. The utility model provides a dish washer bottom mould which characterized in that: the method comprises the following steps:

the top die is a square plate, the middle of the front surface of the top die is arched to form a die injection cavity, an oval injection port is arranged at the top of the die injection cavity, and the injection port penetrates through the whole top die;

one side of the top die is provided with a fixing strip protruding out of the top die; the back of the fixed strip is provided with a first elongated mounting groove;

the other three edges of the top die except the fixing strips are provided with a plurality of groups of screw holes around the injection cavity of the die, and a plurality of first fixing holes are inserted among the screw holes;

bottom die; the middle part of the bottom die is raised to form a model bulge; the shape of the model bulge is matched with that of the injection cavity of the mold; one side of the bottom die is provided with a second mounting groove consistent with the top die, and a sealing element is filled between the first mounting groove and the second mounting groove;

three edges of the bottom die except the edge provided with the second mounting groove are provided with a plurality of groups of screw holes around the model bulge; a plurality of second fixing holes are inserted among the screw holes; the screw holes of the top die correspond to the screw holes of the bottom die one by one; the first fixing holes correspond to the second fixing holes one to one.

2. The dishwasher bottom cover mold according to claim 1, wherein: further comprising: the sealing element is a strip-shaped adhesive tape; the adhesive tape is a high-temperature resistant adhesive tape; the adhesive tape is completely attached to the first mounting groove, and the adhesive tape is connected with the second mounting groove and the first mounting groove.

3. The dishwasher bottom cover mold according to claim 1, wherein: a clamping groove is formed in the back surface of the top die, except the fixing strip, around the die injection cavity, and is positioned between the screw hole and the die injection cavity;

the front surface of the bottom die except the edge provided with the second mounting groove is provided with a clamping bulge around the model bulge; the clamping bulge is positioned between the model bulge and the screw hole;

and the clamping groove corresponds to the clamping bulge.

4. The dishwasher bottom cover mold according to claim 1, wherein: the front and the back of the injection cavity of the mold are externally provided with raised strip-shaped mounting blocks around the injection port, and the front of the fixed strip is provided with raised rectangular mounting blocks at intervals.

5. The dishwasher bottom cover mold according to claim 1, wherein: the thickness of the top die is 4-6 cm; wherein the thickness of the injection cavity of the mold is 2-3 cm.

6. The dishwasher bottom cover mold according to claim 1, wherein: the thickness of the bottom die is 4-6 cm.