CN215619793U

CN215619793U - Injection mold with cooling and blowing functions

Info

Publication number: CN215619793U
Application number: CN202121540384.8U
Authority: CN
Inventors: 贺庆华; 路小伍; 周正
Original assignee: Kunshan Tong Yin Industrial Electronic Making Co ltd
Current assignee: Kunshan Tong Yin Industrial Electronic Making Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-01-25
Anticipated expiration: 2031-07-07

Abstract

The utility model relates to an injection mold with cooling and blowing functions, which comprises a female mold assembly, a male mold assembly, an ejector plate assembly, a split mold core and a water spraying assembly, wherein the female mold assembly is detachably covered on the male mold assembly, the ejector plate assembly is movably arranged in the male mold assembly, an ejector rod is fixedly arranged on the ejector plate assembly, the split mold core is fixed on the ejector rod, the lower end of the water spraying assembly is arranged in the ejector plate assembly, the upper end of the water spraying assembly is communicated with the split mold core, an air inlet channel and a gap are arranged on the split mold core, external air can flow into the air inlet channel of the split mold core, and then the external air is blown to a product on the split mold core through the gap, so that the product is prevented from being adhered to the split mold core. According to the utility model, when the product is demoulded, the mold core can be cooled by cooling water, and the product can be blown into the product, so that the demoulding quality of the product is ensured.

Description

Injection mold with cooling and blowing functions

Technical Field

The utility model relates to an injection mold, in particular to an injection mold with cooling and air blowing functions.

Background

The wide application of the plastic products promotes the popularization and the application of injection molding processing. Plastic injection molding is a method for plastic products, in which molten plastic is injected into a plastic product mold by pressure, and is cooled and molded to obtain various plastic parts, and the injection mold is a common tool. The bottle caps of most of the existing plastic appliances are formed by injection molding, and the injection mold generally comprises a movable mold and a fixed mold, wherein the movable mold and the fixed mold are respectively provided with a groove and a bulge which have the same shape as the bottle caps. After the movable die and the fixed die are combined, a die cavity is formed between the groove and the bulge, and the bottle cap is processed by injection molding. But the mould condition often takes place to glue when the present bottle lid is demolded, produces the defective products easily.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides the injection mold with the cooling and air blowing functions, and the water spraying assembly and the split type mold core are arranged in the injection mold, so that the mold core can be cooled by cooling water when a product is demolded, and the product can be prevented from being stuck by blowing air into the product, thereby ensuring the demolding quality of the product.

The technical scheme adopted by the utility model for solving the technical problem is as follows:

the utility model provides an injection mold with cooling and function of blowing, includes master model subassembly, public mould subassembly, ejector plate subassembly, split type mold core and water spray assembly, the detachable lid of master model subassembly fits public mould subassembly, ejector plate subassembly set up movably in public mould subassembly, the last fixed ejector pin that is equipped with of ejector plate subassembly, split type mold core is fixed in on the ejector pin, the water spray assembly lower extreme install in the ejector plate subassembly, its upper end communicate in split type mold core, be equipped with inlet channel and gap on the split type mold core, outside gas can flow in the inlet channel of split type mold core, and then blows the product on the split type mold core through the gap, and prevents that the product from gluing in the split type mold core.

Preferably, the female die assembly comprises an upper fixed plate and a female die plate which are fixedly connected, the male die assembly comprises a male die plate, a first male die base plate, a second male die base plate, a die pin and a lower fixed plate which are sequentially arranged, a convex block is arranged on the die pin, the ejector plate assembly comprises a first upper ejector plate, a first lower ejector plate, a second upper ejector plate and a second lower ejector plate which are sequentially arranged, the ejector plate assembly is movably arranged between the second male die base plate and the lower fixed plate, and the die pin is located on two sides of the ejector plate assembly.

Preferably, first last thimble board and first thimble board fixed connection and both length the same down, thimble board and second thimble board fixed connection and both length the same down on the second, the length of first last thimble board is less than the length of thimble board on the second, lug on the moulding foot can stop in thimble board and second thimble board down on the second, first last thimble board and first thimble board down can pass through the lug smoothly.

Preferably, the water spray subassembly includes into water runner, play water runner, water inlet, delivery port, inlet tube and outlet pipe install in on the thimble board under the second, the upper end of into water runner and play water runner all communicate in split type mold core, the one end of inlet tube communicate in into water runner, the other end communicate in the water inlet, the one end intercommunication of outlet pipe play water runner, the other end communicate in the delivery port.

Preferably, the split type mold core comprises a first part and a second part which are clamped and fixed with each other, a gap is formed at the joint of the top surface of the first part and the top surface of the second part, an air inlet flow channel is arranged on the second part, and the air inlet flow channel is communicated with the gap.

Preferably, the second male die base plate is provided with an air inlet pipe, the air inlet pipe is provided with an air inlet, air inlet channels are arranged in the male die plate, the first male die base plate and the second male die base plate, and external air sequentially passes through the air inlet pipe, the air inlet channel and the gap to enter the interior of the product.

The utility model has the beneficial effects that: the mold comprises a female mold assembly, a male mold assembly, an ejector pin plate assembly, a split type mold core and a water spraying assembly, wherein an air inlet system is arranged in the male mold assembly and comprises an air inlet channel and an air inlet pipe; the water spraying assembly is fixedly arranged on the second lower ejector plate, so that when the ejector plate assembly starts to eject, the water spraying assembly also ejects out together to ensure water supply, the mold temperature of a product is effectively balanced, and the quality of the product is improved. Be equipped with water spray assembly and split type mold core in this mould, consequently not only can cool off the mold core through the cooling water when the product drawing of patterns, can also prevent the product from gluing the mould through blowing to product inside to the drawing of patterns quality of product has been guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of the split mold core of the present invention;

FIG. 3 is one of the drawing of the demolding process of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a second drawing of the demolding process of the present invention;

FIG. 6 is an enlarged view at B in FIG. 5;

FIG. 7 is a third drawing illustrating the demolding process of the present invention;

FIG. 8 is an enlarged view at C of FIG. 7;

in the figure: 10-female die assembly, 11-upper fixing plate, 12-female die plate, 20-male die assembly, 21-male die plate, 22-first male die backing plate, 23-second male die backing plate, 24-die leg, 25-lower fixing plate, 26-lug, 30-ejector pin plate assembly, 31-first upper ejector pin plate, 32-first lower ejector pin plate, 33-second upper ejector pin plate, 34-second lower ejector pin plate, 40-split die core, 41-first component, 42-second component, 43-air inlet channel, 44-gap, 50-water spray assembly, 51-water inlet channel, 52-water outlet channel, 53-water inlet, 54-water outlet, 55-water inlet pipe, 56-water outlet pipe, 61-air inlet, 62-air inlet pipe, 63-air inlet channel, 64-product.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Example (b): as shown in fig. 1 to 8, in which the direction of arrows is the direction of air flow or water flow, an injection mold with cooling and blowing functions comprises a female mold assembly 10, a male mold assembly 20, an ejector plate assembly 30, a split mold core 40 and a water spray assembly 50, the female die assembly 10 is detachably covered on the male die assembly 20, the ejector plate assembly 30 is movably arranged in the male die assembly 20, a mandril is fixedly arranged on the thimble plate component 30, the split type mold core 40 is fixed on the mandril, the lower end of the water spray component 50 is arranged in the thimble plate component 30, the upper end of the split type mold core is communicated with the split type mold core 40, the split type mold core 40 is provided with an air inlet flow passage 43 and a gap 44, external air can flow into the air inlet flow passage 43 of the split type mold core, and is blown through the slit 44 toward the product 64 on the split core to prevent the product from sticking to the split core.

The utility model is used for injection molding of bottle caps, when a female mold assembly and a male mold assembly are closed, a male mold core and a female mold core are attached to form a cavity of a molded product, an inner ring on the bottle caps is molded on a split mold core 40, when the bottle caps are demolded, the split mold core and a product 64 are ejected upwards by an ejector pin on an ejector pin plate assembly 30, and a water spraying assembly 50 is ejected together and sprays water into the split mold core when the product is ejected, thereby effectively balancing the mold temperature of the product; the external gas enters the die and enters the gas inlet channel 43 of the split type die core, and is blown to the product through the gap 44 at the top of the split type die core, so that the product can be effectively prevented from being stuck, the product demoulding quality is improved, and finally the product is separated from the split type die core through the ejector pin plate component, and the product demoulding operation is completed. Because the water spray assembly and the split type mold core are arranged, the mold core can be cooled by cooling water during product demolding, and air can be blown into the product, so that the product demolding quality is ensured. )

Female mould subassembly 10 includes fixed connection's upper fixed plate 11 and female mould 12, public mould subassembly 20 is including public template 21, first public mould backing plate 22, second public mould backing plate 23, footing 24 and the lower fixed plate 25 that arranges in proper order, be equipped with lug 26 on the footing 24, thimble board subassembly 30 is including the first thimble board 31 of going up, first thimble board 32, second thimble board 33 and second thimble board 34 down that arranges in proper order, thimble board subassembly 30 movable mounting in between second public mould backing plate 23 and the lower fixed plate 25, footing 24 is located thimble board subassembly 30's both sides. The die is sequentially provided with an upper fixing plate 11, a female die plate 12, a male die plate 21, a first male die backing plate 22, a second male die backing plate 23, die feet 24 and a lower fixing plate 25 from top to bottom, the lower end of a water spraying assembly 50 is fixed on a second lower ejector plate 34, and the upper end of the water spraying assembly sequentially penetrates through the ejector plate assembly, the second male die backing plate, the first male die backing plate and the male die plate to be inserted into a split type die core 40.

First last thimble board 31 and first thimble board 32 fixed connection and length the same between them, second go up thimble board 33 and second thimble board 34 fixed connection and length the same between them, the length of first last thimble board 31 is less than the length of second last thimble board 33, lug 26 on the mould foot can stop in second last thimble board 33 and second thimble board 34 down, first last thimble board 31 and first thimble board 32 can pass through lug 26 smoothly. The convex block 26 of the mold foot 24 is positioned in the middle of the mold foot in the height direction, so that the gap between the lower parts of the two mold feet 24 is large, all ejector plate plates can move up and down, the gap between the upper parts of the two mold feet is small, only a first upper ejector plate and a first lower ejector plate can pass through, during demolding, the ejector plate assembly moves upwards together, after the product buckle area is separated from the cavity, a second upper ejector plate is stopped by the convex block 26, so that the first upper ejector plate and the first lower ejector plate move upwards to eject the product out of the split mold core 40, and product demolding is completed.

Water spray subassembly 50 includes water inlet channel 51, water outlet channel 52, water inlet 53, delivery port 54, inlet tube 55 and outlet pipe 56 install in on the thimble board 34 under the second, water inlet channel 51 and water outlet channel 52's upper end all communicate in split type mold core 40, the one end of inlet tube 55 communicate in water inlet channel 51, the other end communicate in water inlet 53, the one end intercommunication of outlet pipe 56 water outlet channel 52, the other end communicate in delivery port 54. The water spraying assembly is fixedly arranged on the second lower ejector plate, so that when the ejector plate assembly starts to eject, the water spraying assembly also ejects out together to ensure water supply, the mold temperature of a product is effectively balanced, and the quality of the product is improved.

As shown in fig. 2, the split mold core 40 includes a first component 41 and a second component 42 that are fixed to each other by means of snap fit, a gap 44 is formed at a joint of a top surface of the first component 41 and a top surface of the second component 42, an air inlet flow channel 43 is provided on the second component 42, and the air inlet flow channel 43 and the gap 44 are communicated with each other.

The second male die backing plate 23 is provided with an air inlet pipe 62, the air inlet pipe 62 is provided with an air inlet 61, air inlet channels 63 are arranged in the male die plate 21, the first male die backing plate 22 and the second male die backing plate 23, and external air sequentially passes through the air inlet 61, the air inlet pipe 62, the air inlet channels 63, the air inlet channels 43 and the gaps 44 to enter the product 64. The air inlet system is composed of the air inlet pipe and the air inlet channel, the mold core is designed to be a split structure, a gap is formed in the joint of the first part and the second part, and the air inlet channel is formed in the second part, so that gas can be blown to a product on the upper surface of the split mold core through the air inlet system, the air inlet channel and the gap, and demolding of the product is facilitated.

The demolding process of the utility model comprises the following steps: when the mold is opened, firstly, as shown in fig. 3-4, the female mold assembly moves upwards to leave the male mold assembly, then, as shown in fig. 5-6, the ejector plate assembly 30 moves upwards, the water spray assembly 50 moves upwards together, the ejector rods eject the split mold core 40 and the product 64, simultaneously, water and air are fed into the mold, until the buckling area of the product is separated from the cavity, the second upper ejector plate 33 and the second lower ejector plate 34 stop moving, and finally, as shown in fig. 7-8, the first upper ejector plate 31 and the first lower ejector plate 32 continue to move upwards to forcibly remove the product buckle, so that the product is separated from the split mold core, and the product demoulding operation is completed.

It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides an injection mold with cooling and function of blowing which characterized in that: comprises a female die component (10), a male die component (20), an ejector plate component (30), a split type die core (40) and a water spray component (50), the female die assembly (10) is detachably covered on the male die assembly (20), the ejector pin plate assembly (30) is movably arranged in the male die assembly (20), a push rod is fixedly arranged on the ejector plate component (30), the split type mold core (40) is fixed on the push rod, the lower end of the water spray component (50) is arranged in the ejector pin plate component (30), the upper end of the split type mold core is communicated with the split type mold core (40), the split type mold core (40) is provided with an air inlet flow passage (43) and a gap (44), external air can flow into the air inlet flow passage (43) of the split type mold core, and then the product (64) is blown to the split type mold core through the gap (44) so as to prevent the product from being stuck on the split type mold core.

2. The injection mold with cooling and blowing functions as claimed in claim 1, wherein: female mould subassembly (10) are including fixed connection's upper mounting plate (11) and female mould board (12), public mould subassembly (20) are including public template (21), first public mould backing plate (22), second public mould backing plate (23), moulding foot (24) and bottom plate (25) that arrange in proper order, be equipped with lug (26) on moulding foot (24), thimble board assembly (30) are including arranging in proper order on first thimble board (31), first thimble board (32) down, thimble board (33) and second thimble board (34) down, thimble board assembly (30) movable mounting in between second public mould backing plate (23) and bottom plate (25), moulding foot (24) are located the both sides of thimble board assembly (30).

3. The injection mold with cooling and blowing functions as claimed in claim 2, wherein: first last thimble board (31) and first thimble board (32) fixed connection and length between them is the same, thimble board (33) and second thimble board (34) fixed connection and length between them is the same down on the second, the length of first last thimble board (31) is less than the length of thimble board (33) on the second, lug (26) on the mould foot can stop in thimble board (33) and second thimble board (34) down on the second, first last thimble board (31) and first thimble board (32) can pass through lug (26) smoothly.

4. The injection mold with cooling and blowing functions as claimed in claim 3, wherein: water spray subassembly (50) are including inhalant canal (51), play rivers way (52), water inlet (53), delivery port (54), inlet tube (55) and outlet pipe (56) install in on thimble board (34) under the second, inhalant canal (51) and the upper end of play rivers way (52) all communicate in split type mold core (40), the one end of inlet tube (55) communicate in inhalant canal (51), the other end communicate in water inlet (53), the one end intercommunication of outlet pipe (56) play rivers way (52), the other end communicate in delivery port (54).

5. The injection mold with cooling and blowing functions as claimed in claim 3, wherein: the split type mold core (40) comprises a first component (41) and a second component (42) which are mutually clamped and fixed, a gap (44) is formed at the joint of the top surface of the first component (41) and the top surface of the second component (42), an air inlet flow channel (43) is arranged on the second component (42), and the air inlet flow channel (43) is communicated with the gap (44).

6. The injection mold with cooling and blowing functions as claimed in claim 5, wherein: be equipped with intake pipe (62) on second public mould backing plate (23), be equipped with air inlet (61) on intake pipe (62), be equipped with inlet channel (63) in public template (21), first public mould backing plate (22) and second public mould backing plate (23), the outside gas loops through inside air inlet (61), intake pipe (62), inlet channel (63), inlet channel (43) and gap (44) get into product (64).