CN218399253U

CN218399253U - Injection mold with cooling function

Info

Publication number: CN218399253U
Application number: CN202222813047.2U
Authority: CN
Inventors: 金维锁
Original assignee: Kunshan Chengyihe Precision Components Co ltd
Current assignee: Kunshan Chengyihe Precision Components Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-01-31
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to a technical field of moulding plastics, and disclose an injection mold with cooling function, including the mould foot, the thimble board is installed on the right side of mould foot, the left side of thimble board is provided with the second storage bag, the top of thimble board disposes first storage bag, the right side of thimble board is provided with public template, the right side of public template disposes female template, female template's right side is connected with the shrouding, the mid-mounting of going up the shrouding has the sprue. This injection mold with cooling function sets up the cavity and injects the coolant liquid in the cavity through the inside at public template, can strengthen the fashioned efficiency of moulding to through the storage bag that sets up through conveyer pipe and cavity connection in the bottom and one side at the thimble board, simultaneously through the cooperation of valve, can realize the change in turn of coolant liquid at thimble board during operation, thereby guarantee to mould a cooling shaping efficiency, improve this injection mold's production efficiency.

Description

Injection mold with cooling function

Technical Field

The utility model relates to a technical field of moulding plastics specifically is an injection mold with cooling function.

Background

The injection molding method has the advantages of high production speed, high efficiency, automation operation, various colors, shapes from simple to complex, sizes from large to small, precise product size, easy product replacement, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.

The injection mold is a tool for producing plastic products, is also a tool for endowing the plastic products with complete structures and accurate dimensions, and is used for stirring completely molten plastic materials through a screw at a certain temperature during the molding processing by utilizing the injection mold, injecting the plastic materials into a mold cavity by high pressure, and obtaining a molded product after cooling and solidification.

Injection mold mainly by movable mould and cover half two parts and the gating system, the temperature regulating system, shaping part and structure part are constituteed, wherein, gating system and shaping part need with mould plastics raw and other materials direct contact, need change along with the requirements for quality of raw and other materials and product, gating system indicates raw and other materials from penetrating the runner part before the mouth gets into the die cavity, contain the sprue, cold burden cave, sprue and runner etc, raw and other materials are poured into injection mold after the heating, come off from the mould after injection mold's cooling and compression molding, accomplish the contour machining, but in the actual course of working, injection mold cools off the mould through the refrigerant pipe of bottom tray usually, cooling rate is slow, inefficiency, thereby the shaping efficiency of the piece has been influenced, not enough to prior art, the utility model provides an injection mold with cooling function.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an injection mold with cooling function has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an injection mold with cooling function, includes the mold foot, the thimble board is installed on the right side of mold foot, the left side of thimble board is provided with the second and stores the bag, the top of thimble board disposes first storage bag, the right side of thimble board is provided with the public template, the right side of public template disposes the female template, the right side of female template is connected with the shrouding, the mid-mounting of going up the shrouding has the sprue, the outside of public template is connected with the conveyer pipe, the top of conveyer pipe is provided with the valve.

Optionally, the male mold plate is connected with the mold foot through the support plate, a cavity is formed inside the male mold plate, round holes communicated with the conveying pipe are formed in two sides of the cavity, and cooling liquid is filled inside the cavity.

Optionally, the valves are connected at the connecting part of the cavity and the delivery pipe, and there are two corresponding valves.

Optionally, the first storage bag is mounted on the mold foot, the ejector plate is not in contact with the ejector plate, and the first storage bag is communicated with the cavity through the delivery pipe and the valve, and has elasticity, and the interior of the first storage bag is filled with a cooling liquid smaller than the interior volume of the first storage bag.

Optionally, the second storage bag is mounted on the mold foot on the left side of the ejector plate, the second storage bag has elastic memory of restoring, the second storage bag is communicated with the cavity through the delivery pipe and the valve, and the cooling liquid with the volume smaller than the internal volume of the second storage bag is filled in the second storage bag.

Optionally, the mold foot is fixedly installed on the injection molding machine, and when the mold foot is installed, one side of the mold foot, on which the second storage bag is installed, is close to the ground.

The utility model provides an injection mold with cooling function possesses following beneficial effect:

1. this injection mold with cooling function sets up the cavity and injects the coolant liquid in the cavity through the inside at public template, can strengthen the fashioned efficiency of moulding to through the storage bag that sets up through conveyer pipe and cavity connection in the bottom and one side at the thimble board, simultaneously through the cooperation of valve, can realize the change in turn of coolant liquid at thimble board during operation, thereby guarantee to mould a cooling shaping efficiency, improve this injection mold's production efficiency.

2. This injection mold with cooling function sets up the cavity through the inside at public template, can realize the pouring into of coolant liquid, has increased the area of contact that the piece was moulded with the shaping to improve the cooling shaping speed of moulding, improved this injection mold when the piece is moulded in production shaping efficiency.

3. This injection mold with cooling function communicates cavity and storage bag through utilizing valve and conveyer pipe for at thimble board during operation, can realize the extrusion of storage bag, thereby realize the alternative of cooling liquid in the cavity, guaranteed the cooling effect of coolant liquid, improved this injection mold's work piece shaping efficiency.

4. In a word, this injection mold with cooling function through the cavity that sets up and the reservoir bag intercommunication in this injection mold's public template is inside to inject the coolant liquid in cavity and reservoir bag, can utilize ejector plate's removal to realize the change in turn of coolant liquid, improved the area of contact of coolant liquid with moulding, strengthened the cooling effect, also guaranteed the efficiency of coolant liquid simultaneously, improved this injection mold's cooling shaping efficiency.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic sectional structure view of the male mold plate of the present invention;

fig. 4 is a schematic view of the profile structure of the side of the core plate of the present invention.

In the figure: 1. a mould leg; 2. an ejector plate; 3. a first storage bladder; 4. a second storage bladder; 5. a male template; 51. a cavity; 6. a master template; 7. a valve; 8. an upper sealing plate; 9. a delivery pipe; 10. a main flow passage.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the cavity 51 is formed in the male template 5, two sides of the cavity 51 are communicated with the conveying pipes 9, the cavity 51 is respectively communicated with the two conveying pipes 9 through valves 7, an ejector plate 2 is installed on the right side of a mold foot 1, the ejector plate 2 can be driven by an injection molding machine to move left and right, when the injection molding machine works, an ejector rod on the right side of the ejector plate 2 is ejected out of a molded piece through an ejector rod on the right side of the ejector plate 2 due to the fact that the ejector rod moves right and the molded piece is demolded, a second storage bag 4 installed on the mold foot 1 is arranged on the left side of the ejector plate 2, a first storage bag 3 is arranged on the top of the ejector plate 2, the first storage bag 3 is not in contact with the ejector plate 2, the first storage bag 3 and the second storage bag 4 are respectively communicated with the cavity 51 through the conveying pipes 9, cooling liquid is filled in the cavity 51, the acting area of the plastic piece during cooling can be increased, and the cooling forming efficiency of the plastic piece is improved; when the ejector plate 2 moves rightwards to perform demolding of the plastic part, the second storage bag 4 and the first storage bag 3 have elasticity for recovering the natural state, the second storage bag 4 starts to recover the original state after losing the compression of the ejector plate 2, so that the volume of the second storage bag 4 is increased, the cooling liquid in the cavity 51 is sucked into the second storage bag 4, meanwhile, the cooling liquid in the first storage bag 3 enters the cavity 51, when the ejector plate 2 retracts, the second storage bag 4 is compressed under the pressure of the ejector plate 2, the cooling liquid in the second storage bag 4 reenters the cavity 51, the cooling liquid in the cavity 51 enters the first storage bag 3, the alternative replacement of the cooling liquid is realized, the cooling effect of the cooling liquid in the cavity 51 is ensured, meanwhile, the cooling of the male plate 5 is accelerated, the cooling molding efficiency of the injection mold is improved, meanwhile, through the matching of the bag 7, the flowing of the cooling liquid in the first storage bag 3, the second storage bag 4 and the cavity 51 when the ejector plate 2 does not move is avoided, the heat transmission of the cooling liquid in the cavity is ensured, and the cooling liquid can be transmitted into the cavity 51 at the maximum when the cooling liquid is exerted.

In summary, in the injection mold with cooling function, when in use, the upper sealing plate 8 moves together with the female mold plate 6 towards the male mold plate 5 under the control of the injection molding machine, after the female mold plate 6 contacts with the male mold plate 5, heated raw material is injected into a space formed by the female mold plate 6 and the male mold plate 5 from the main runner 10, the raw material is molded between the female mold plate 6 and the male mold plate 5, meanwhile, the raw material is cooled and molded by cooling liquid in the cavity 51, the upper sealing plate 8 and the female mold plate 6 leave the male mold plate 5 under the action of the injection molding machine, meanwhile, the ejector plate 2 moves towards the male mold plate 5, the ejector rod on the ejector plate 2 ejects the molded plastic piece from the male mold plate 5, so as to realize demolding, the ejector plate 2 retracts after demolding is completed, cooling liquid in the second storage bag 4 is pressurized and is sent into the cavity 51 through the delivery pipe 9 and the valve 7, and the cooling liquid in the cavity 51 is extruded into the first storage bag 3 through the delivery pipe 7 and the delivery pipe 9, so as to realize alternate replacement of the cooling liquid, and enable the male mold 5 to be rapidly molded plastic piece to wait for molding.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. 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 various 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. The utility model provides an injection mold with cooling function, includes moulding foot (1), its characterized in that: thimble board (2) are installed on the right side of mould foot (1), the left side of thimble board (2) is provided with second storage bag (4), the top of thimble board (2) disposes first storage bag (3), the right side of thimble board (2) is provided with formboard (5), the right side of formboard (5) disposes female template (6), the right side of female template (6) is connected with shrouding (8), the mid-mounting of going up shrouding (8) has sprue (10), the outside of formboard (5) is connected with conveyer pipe (9), the top of conveyer pipe (9) is provided with valve (7).

2. An injection mold with a cooling function according to claim 1, characterized in that: the male template (5) is connected with the mold foot (1) through the supporting plate, a cavity (51) is formed in the male template (5), round holes communicated with the conveying pipe (9) are formed in two sides of the cavity (51), and cooling liquid is filled in the cavity (51).

3. An injection mold having a cooling function according to claim 2, characterized in that: the valves (7) are connected at the connecting part of the cavity (51) and the delivery pipe (9), and two valves (7) are arranged correspondingly.

4. An injection mold having a cooling function according to claim 2, characterized in that: the first storage bag (3) is installed on the mold foot (1), the ejector plate (2) is not in contact with the ejector plate (2), the first storage bag (3) is communicated with the cavity (51) through the conveying pipe (9) and the valve (7), the first storage bag (3) has elasticity, and the interior of the first storage bag (3) is filled with cooling liquid smaller than the internal volume of the first storage bag (3).

5. An injection mold having a cooling function according to claim 2, characterized in that: the second storage bag (4) is installed on the mold foot (1) on the left side of the ejector plate (2), the second storage bag (4) has elastic memory of restoring, the second storage bag (4) is communicated with the cavity (51) through the conveying pipe (9) and the valve (7), and cooling liquid with the volume smaller than the internal volume of the second storage bag (4) is filled in the second storage bag (4).

6. An injection mold with a cooling function according to claim 1, characterized in that: the mold legs (1) are fixedly installed on the injection molding machine, and when the mold legs (1) are installed, one side, provided with the second storage bag (4), of each mold leg (1) is close to the ground.