CN219055154U

CN219055154U - Injection mold convenient to even cooling

Info

Publication number: CN219055154U
Application number: CN202223106952.0U
Authority: CN
Inventors: 何少辉; 曾志平; 韦娓; 李周英
Original assignee: Shenzhen City Baileda Precision Mold Co ltd
Current assignee: Shenzhen City Baileda Precision Mold Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-05-23
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses an injection mold convenient for uniform cooling, which comprises a mold main body, wherein the mold main body comprises an upper mold and a lower mold, one side surfaces of the upper mold and the lower mold are respectively and penetratingly connected with a liquid inlet pipe and a liquid outlet pipe, and cooling pipes A are uniformly arranged in the lower mold. According to the utility model, the cooling pipe A, the cooling pipe B and the cooling circulating pump are arranged, so that the cooling uniformity of the injection mold is effectively improved, the cooling pipe A and the cooling pipe B are connected with the cooling circulating pump through the outer parts of the liquid outlet pipe and the liquid inlet pipe, so that the cooling liquid in the pipeline can be circularly cooled for use, the flowing cooling liquid in the cooling pipe A and the cooling pipe B is ensured to be kept in a low-temperature state, the cooling pipe A and the cooling pipe B are uniformly arranged in the upper mold and the lower mold, the low temperature is uniformly transferred to the inner wall of the injection mold cavity, and the injection molding part is ensured to be uniformly cooled in all parts in the injection mold cavity.

Description

Injection mold convenient to even cooling

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold convenient for uniform cooling.

Background

In vehicle automobile production, parts of many automobiles all need to be processed and manufactured, traditional processing mode is through machining, for example lathe work is processed out, machining time is long generally, forming efficiency is low, therefore, the injection molding processing of mould is adopted in the automobile parts of many now, the injection mold in the present market mainly adopts the forced air cooling mode in the use, the inhomogeneous condition of cooling appears easily, product part surface is in the same place with the inner wall adhesion of mould easily, follow-up drawing of patterns operation of being inconvenient for, the improper operation leads to the wearing and tearing of finished product easily, influence the quality of product.

The existing injection mold has the following defects:

patent document CN210758944U discloses a stable injection mold, which comprises a mold body, wherein the mold body comprises an upper mold and a lower mold, and further comprises a bottom plate, wherein the bottom surface of the lower mold is fixedly provided with a mounting block, the top surface of the bottom plate is provided with a mounting groove, two symmetrically distributed clamping blocks are arranged in the mounting groove, and a driving assembly is further arranged in the mounting groove; a left side plate is arranged on the left side of the top surface of the bottom plate, a movable top plate is movably arranged above the surface of the left side plate, and a hydraulic cylinder is also arranged on the surface of the left side plate; after the upper die and the lower die are matched, the hydraulic cylinder can be used for driving the stable extrusion plate to move downwards, so that the upper die is further stabilized, the die matching stability of the upper die and the lower die is ensured, and the quality of a plastic part is ensured; the manual adjusting assembly is utilized to finely adjust the position of the upper die after die assembly, so that the die assembly accuracy of the upper die and the lower die is ensured; the lower die is fixed through the mounting block and the clamping block which is movably arranged, and the dismounting is convenient.

However, the injection mold disclosed in the above publication mainly considers the problem of how to improve the mold closing accuracy and stability of the upper mold and the lower mold, and the injection mold is inconvenient to improve the uniform cooling effect of the injection mold, and when the mold is released, the surface of the product part is easy to adhere to the inner wall of the mold, so that the subsequent mold releasing operation is affected.

Therefore, it is necessary to develop an injection mold which is convenient for uniform cooling, and further can improve the uniform cooling effect of the injection mold.

Disclosure of Invention

The utility model aims to provide an injection mold convenient for uniform cooling, so as to solve the problem that the injection mold provided in the background art is inconvenient to improve the uniform cooling effect of the injection mold.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold convenient to even cooling, includes the mould main part, the mould main part is including last mould and bed die, go up the mould with one side surface of bed die is all through-connection has feed liquor pipe and drain pipe, cooling pipe A is installed to the inside even range of bed die, and cooling pipe A's both ends respectively with bed die surface mounting's feed liquor pipe and drain pipe through-connection, go up the inside even range of mould and install cooling pipe B, and cooling pipe B's both ends respectively with last mould surface mounting's feed liquor pipe and drain pipe through-connection, cooling pipe A with cooling pipe B inside all is filled with the coolant liquid, cooling circulating pump is installed to one side of mould main part, and feed liquor pipe and drain pipe are connected with cooling circulating pump's output and input through the hose respectively, and cooling circulating pump drives cooling liquid circulation flow inside cooling pipe A and cooling pipe B, and inside the cooling pipe inflow pipeline, with low temperature transfer to the lower mould, to go up mould and down the injection cavity inner wall that mould group formed everywhere cooling.

Preferably, the lower mould is including the mould body, accomodate chamber and base, and the mould body is with accomodating chamber swing joint, and the bottom of the mould body is located the inside of accomodating the chamber, accomodates the bottom of chamber and is connected with the top of base, accomodates the chamber and provides the displacement space for the mould body with the part separation of moulding plastics.

Preferably, the base is located the top of accomodating the intracavity portion and is connected with fixing bolt through the screw thread symmetry, and fixing bolt's surface is connected with electric telescopic handle through the screw thread penetration, and fixing bolt fixes electric telescopic handle and base's connection effect.

Preferably, the top of the electric telescopic rod is symmetrically connected with a connecting plate A, the surfaces of the two groups of connecting plates A are jointly penetrated and provided with pin shafts, and the pin shafts are fixedly arranged at the top of the electric telescopic rod by the connecting plate A.

Preferably, the bottom of the die body is connected with a connecting plate B, the pin shafts are arranged on the surface of the surface connecting plate B between the two groups of connecting plates to be connected in a penetrating manner, and the connecting plate B is fixedly connected with the connecting plate A through the pin shafts.

Preferably, the bottom of the die body is connected with a rubber sheet, the side face of the rubber sheet is movably connected with the inner wall of the storage cavity, and the rubber sheet is arranged at the bottom of the die body and effectively blocks injection molding solution from penetrating into the storage cavity.

Preferably, the sealing ring is installed at the top of the rubber sheet, and is filled and installed in the gap between the inner wall of the storage cavity and the die body, and the joint of the sealing ring and the inner wall of the storage cavity is filled with the sealing ring, so that the surface of the injection molding part is kept flat.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the cooling pipe A, the cooling pipe B and the cooling circulating pump are arranged, so that the cooling uniformity of the injection mold is effectively improved, the cooling pipe A and the cooling pipe B are connected with the cooling circulating pump through the outer parts of the liquid outlet pipe and the liquid inlet pipe, so that the cooling liquid in the pipeline can be circularly cooled for use, the flowing cooling liquid in the cooling pipe A and the cooling pipe B is ensured to be kept in a low-temperature state, the cooling pipe A and the cooling pipe B are uniformly arranged in the upper mold and the lower mold, the low temperature is uniformly transmitted to all parts of the inner wall of the injection mold cavity, and the injection molding part is ensured to be uniformly cooled all the parts in the injection mold cavity;

2. according to the utility model, the storage cavity and the electric telescopic rod are arranged, so that the injection molding part and the injection molding die are conveniently separated, the storage cavity provides a movable space for the displacement of the die body, the electric telescopic rod provides kinetic energy for the separation of the die body and the injection molding part, and the injection molding part has a certain thickness, so that the edge surface of the injection molding part is connected with the top of the storage cavity, the top of the storage cavity limits the displacement of the injection molding part, and the injection molding part is effectively prevented from moving along with the die body, so that the separation effect of the injection molding part and the die body is realized.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of an electric telescopic rod according to the present utility model;

FIG. 3 is a schematic view of the rubber sheet structure of the present utility model;

FIG. 4 is a schematic view of a liquid outlet pipe according to the present utility model;

FIG. 5 is a schematic view of a structure of a connecting plate B according to the present utility model;

FIG. 6 is a schematic view of a seal ring according to the present utility model;

FIG. 7 is a schematic view of a cooling tube B according to the present utility model;

FIG. 8 is a schematic view of the lower mold structure of the present utility model

Fig. 9 is a schematic view of a housing cavity according to the present utility model.

In the figure: 1. a mold body; 2. an upper die; 3. a lower die; 4. a liquid inlet pipe; 5. a liquid outlet pipe; 6. a cooling pipe A; 7. a cooling pipe B; 8. a cooling circulation pump; 9. a die body; 10. a storage chamber; 11. a base; 12. a fixing bolt; 13. an electric telescopic rod; 14. a connecting plate A; 15. a pin shaft; 16. a connecting plate B; 17. a rubber sheet; 18. and (3) sealing rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 7 and fig. 8, an injection mold convenient for uniform cooling according to an embodiment of the present utility model includes a mold main body 1, the mold main body 1 includes an upper mold 2 and a lower mold 3, one side surfaces of the upper mold 2 and the lower mold 3 are all connected with a liquid inlet pipe 4 and a liquid outlet pipe 5 in a penetrating manner, a cooling pipe A6 is uniformly arranged in the lower mold 3, two ends of the cooling pipe A6 are respectively connected with the liquid inlet pipe 4 and the liquid outlet pipe 5 mounted on the surface of the lower mold 3 in a penetrating manner, a cooling pipe B7 is uniformly arranged in the upper mold 2, two ends of the cooling pipe B7 are respectively connected with the liquid inlet pipe 4 and the liquid outlet pipe 5 mounted on the surface of the upper mold 2 in a penetrating manner, cooling pipes A6 and the cooling pipe B7 are both filled with cooling liquid, a cooling circulation pump 8 is mounted on one side of the mold main body 1, and the liquid inlet pipe 4 and the liquid outlet pipe 5 are respectively connected with an output end and an input end of the cooling circulation pump 8 through hoses.

Further, when using, at the in-process of moulding plastics auto parts, use outside fixed knot to construct and go up mould 2 and bed die 3 fixed connection, open the injection molding device and pour into the injection molding cavity of mould main part 1 inside with the injection molding solution, start cooling circulation pump 8, cooling circulation pump 8 drives cooling tube A6 and the inside coolant liquid circulation flow of cooling tube B7, inside the low temperature coolant liquid inflow pipeline, transfer the low temperature to mould 2 and bed die 3 inside, to last mould 2 and bed die 3 the injection molding cavity inner wall everywhere that constitutes cooling down.

Referring to fig. 1-6, the lower mold 3 includes a mold body 9, a storage cavity 10 and a base 11, the mold body 9 is movably connected with the storage cavity 10, the bottom end of the mold body 9 is located inside the storage cavity 10, the bottom of the storage cavity 10 is connected with the top of the base 11, the top of the base 11 is located inside the storage cavity 10 and is symmetrically connected with a fixing bolt 12 through threads, the surface of the fixing bolt 12 is in threaded through connection with an electric telescopic rod 13, the top of the electric telescopic rod 13 is symmetrically connected with a connecting plate a14, the surfaces of the two groups of connecting plates a14 are jointly penetrated and installed with a pin shaft 15, the bottom of the mold body 9 is connected with a connecting plate B16, the pin shaft 15 is located between the two groups of connecting plates, the bottom of the mold body 9 is connected with a rubber sheet 17, the side surface of the rubber sheet 17 is movably connected with the inner wall of the storage cavity 10, the top of the rubber sheet 17 is provided with a sealing ring 18, and the sealing ring 18 is filled in a gap between the inner wall of the storage cavity 10 and the mold body 9.

Further, after injection molding of the injection molding part in the mold main body 1, the electric telescopic rod 13 drives the pin shaft 15 through the connecting plate A, the pin shaft 15 drives the mold body 9 to shrink towards the inside of the storage cavity 10 through the connecting plate B16, at this time, the surface of the mold body 9 is connected with the inner wall of the storage cavity 10 in a fitting way through the sealing ring 18, the edge surface of the injection molding part is connected with the top of the storage cavity 10, and the top of the storage cavity 10 can prevent the injection molding part from moving along with the mold body 9 so as to separate the mold body 9 from the injection molding part.

Working principle: in the process of injection molding of automobile parts, an upper die 2 and a lower die 3 are fixedly connected by using an external fixing structure, an injection molding device is started to inject injection molding solution into an injection molding cavity in a die body 1, a cooling circulating pump 8 is started, the cooling circulating pump 8 drives cooling liquid in a cooling pipe A6 and a cooling pipe B7 to circulate, low-temperature cooling liquid flows into a pipeline, the low-temperature cooling liquid is transferred into the upper die 2 and the lower die 3, the injection molding cavity inner wall formed by combining the upper die 2 and the lower die 3 is cooled everywhere, after the injection molding part is injection molded in the die body 1, an electric telescopic rod 13 drives a pin shaft 15 through a connecting plate A, the pin shaft 15 drives a die body 9 to shrink into a storage cavity 10 through a connecting plate B16, at this time, the surface of the die body 9 is connected with the inner wall of the storage cavity 10 in a fitting way, and the edge surface of the injection molding part is connected with the top of the storage cavity 10, so that the injection molding part can be blocked from moving along with the die body 9, and the injection molding part 9 is separated.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Injection mold convenient to even cooling, including mould main part (1), mould main part (1) are including last mould (2) and bed die (3), its characterized in that: the cooling device comprises an upper die (2) and a lower die (3), wherein a liquid inlet pipe (4) and a liquid outlet pipe (5) are respectively and penetratingly connected to one side surface of the upper die and one side surface of the lower die (3), cooling pipes A (6) are uniformly arranged and installed in the lower die (3), and two ends of each cooling pipe A (6) are respectively and penetratingly connected with the liquid inlet pipe (4) and the liquid outlet pipe (5) which are respectively and penetratingly installed on the surface of the lower die (3);

the inside of the upper die (2) is uniformly provided with cooling pipes B (7), two ends of the cooling pipes B (7) are respectively connected with a liquid inlet pipe (4) and a liquid outlet pipe (5) which are arranged on the surface of the upper die (2) in a penetrating way, and cooling liquid is filled in the cooling pipes A (6) and the cooling pipes B (7);

and one side of the die main body (1) is provided with a cooling circulating pump (8), and the liquid inlet pipe (4) and the liquid outlet pipe (5) are respectively connected with the output end and the input end of the cooling circulating pump (8) through hoses.

2. The injection mold convenient for uniform cooling according to claim 1, wherein: the lower die (3) comprises a die body (9), a containing cavity (10) and a base (11), wherein the die body (9) is movably connected with the containing cavity (10), the bottom end of the die body (9) is located inside the containing cavity (10), and the bottom of the containing cavity (10) is connected with the top of the base (11).

3. The injection mold convenient for uniform cooling according to claim 2, wherein: the base (11) is located the inside top of accomodating chamber (10) and is connected with fixing bolt (12) through screw thread symmetry, and the surface of fixing bolt (12) is connected with electric telescopic handle (13) through screw thread penetration.

4. An injection mold convenient for uniform cooling according to claim 3, wherein: the top of the electric telescopic rod (13) is symmetrically connected with a connecting plate A (14), and the surfaces of the two groups of connecting plates A (14) are jointly penetrated and provided with a pin shaft (15).

5. The injection mold convenient for uniform cooling according to claim 2, wherein: the bottom of the die body (9) is connected with a connecting plate B (16), and the pin shaft (15) is positioned between the two groups of connecting plates and connected with the surface of the surface connecting plate B (16) in a penetrating way.

6. The injection mold convenient for uniform cooling according to claim 5, wherein: the bottom of the die body (9) is connected with a rubber sheet (17), and the side surface of the rubber sheet (17) is movably connected with the inner wall of the accommodating cavity (10).

7. The injection mold convenient for uniform cooling according to claim 6, wherein: the top of the rubber sheet (17) is provided with a sealing ring (18), and the sealing ring (18) is filled and arranged in a gap between the inner wall of the accommodating cavity (10) and the die body (9).