Injection mold convenient for heat export

Abstract

The utility model discloses an injection mold convenient for heat conduction, and relates to the technical field of injection molding. An injection mold facilitating heat export comprises a lower mold body, an upper mold body and a cooling pipe, two filtering devices are arranged on the cooling pipe, each filtering device comprises a connecting pipe, a fixing block and two mounting blocks, the two mounting blocks are fixedly connected to the outer wall of the connecting pipe, and a sliding seat groove is formed in the outer wall of the connecting pipe; cooling water is conveyed into a cooling pipe through an external cooling device in the filtering device through a connecting pipe, and then the cooling water enters the cooling pipe after being treated through a filtering plate in the connecting pipe, so that a mold in a mold cavity is rapidly formed; and then the used cooling water is treated again through the filter plate when returning to the external cooling equipment through the other connecting pipe, so that impurities and particulate matters in the cooling water are effectively prevented from entering, the mold is protected while pipeline breakage or leakage is avoided, and the flow of the cooling water is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding technical field, in particular to a kind of injection mold convenient for heat export. BACKGROUND

[0002] Injection mold is a tool for plastic injection molding, it is by two or more mold semi-finished products, these semi-finished products are closed in injection molding machine, form a complete mold cavity, for shaping the shape and size of plastic product.

[0003] Among them, injection mold includes cavity, core, gate and cooling system, wherein cavity is part of mold, it defines the shape and size of plastic product, cavity is usually located in the fixed side of mold, gate is the channel of plastic material from the nozzle of injection molding machine into mold cavity. The design of gate has important influence on plastic flow and product forming quality.

[0004] The existing injection mold when in use, by plastic material from gate into the inside of mold cavity, then cooling water in cooling system flows in the water pipe in mold, heat exchange is carried out between water pipe wall and mold surface, make the heat in mold be transferred to cooling water, make the temperature of cooling water rise, while the temperature of mold reduces, cooling water that has absorbed heat flows out from the water outlet pipe of mold, returns to cooling tower or cooler for next use, but cooling water contains impurities and particulate matter inside after use, so directly using without treatment can lead to water flow blockage, reduce the flow of cooling water, thereby reduce cooling efficiency, simultaneously lead to pipe rupture or leakage, further damage mold. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of injection mold convenient for heat export, can solve the problem that cooling water contains impurities and particulate matter inside after use, so directly using without treatment can lead to water flow blockage, reduce the flow of cooling water, thereby reduce cooling efficiency, simultaneously lead to pipe rupture or leakage, further damage mold.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of injection mold convenient for heat export, including lower die, upper die and cooling pipe, cooling pipe is provided with two filter devices on it;

[0007] Filter device includes connecting pipe, fixed block and two mounting blocks, two mounting blocks are fixedly connected in the outer wall of connecting pipe, the outer wall of connecting pipe is equipped with sliding seat groove, sliding seat groove is arc-shaped, sliding seat groove is slidably connected with sliding seat in the inside, fixed block is fixedly connected in the outer wall of sliding seat, the upper surface of two mounting blocks is equipped with fixed block slot, the inside of two fixed block slots is equipped with first limit block slot;

[0008] The outer wall of the convex block on the two sides of the fixed block is provided with a second limiting block groove, the inside of the two second limiting block grooves is slidably connected with a limiting block, the upper surface of the fixed block is provided with a push block groove, the inside of the push block groove is slidably connected with a push block, the inner wall of the sliding seat is fixedly connected with a filter plate, the inside of the push block groove is slidably connected with a rubber limiting block, the inside of the push block groove is provided with a return spring, the cooling pipe is installed in the inside of the lower mold, and the two filter devices are bolted to the two ends of the cooling pipe through bolts.

[0009] Preferably, the outer wall of the convex block on the two sides of the fixed block is slidably connected with the inside of the corresponding fixed block groove, and the end of the two limiting blocks close to the first limiting block groove is slidably extended into the inside of the fixed block groove and in contact with the inner wall of the corresponding first limiting block groove.

[0010] Preferably, the outer wall of the convex block on the two sides of the fixed block is slidably connected with the inside of the corresponding fixed block groove, and the end of the two limiting blocks close to the first limiting block groove is slidably extended into the inside of the fixed block groove and in contact with the inner wall of the corresponding first limiting block groove.

[0011] Preferably, the end of the two push blocks close to the limiting block is slidably extended into the inside of the second limiting block groove and fixedly connected with the outer wall of the corresponding limiting block, and the outer wall of the rubber limiting block is in contact with the outer wall of the corresponding push block.

[0012] Preferably, the end of the two push blocks close to the limiting block is slidably extended into the inside of the second limiting block groove and fixedly connected with the outer wall of the corresponding limiting block, and the outer wall of the rubber limiting block is in contact with the outer wall of the corresponding push block.

[0013] Preferably, the lower surface of the upper mold is fixedly connected with four positioning columns.

[0014] Preferably, the lower surface of the upper mold is fixedly connected with four positioning columns.

[0015] Preferably, the outer wall of the four positioning columns is slidably connected with the inside of the corresponding positioning column groove.

[0016] Preferably, the lower surface of the upper mold is fixedly connected with four positioning columns.

[0017] Preferably, the lower surface of the upper mold is fixedly connected with four positioning columns.

[0018] Preferably, the lower surface of the upper mold is fixedly connected with four positioning columns.

[0019] Compared with the prior art, the utility model has the advantages of:

[0020] 1. The injection mold facilitating heat dissipation, through the external cooling device in the filtering device, cooling water is transported to the inside of the cooling pipe through the connecting pipe, then the cooling water is treated by the filtering plate in the connecting pipe and enters the inside of the cooling pipe, then the cooling water flows in the inside of the cooling pipe in the lower mold, the mold in the inside of the cavity is quickly formed, then the used cooling water is treated by the filtering plate again when returning to the external cooling device through another connecting pipe, thus impurities and particles in the cooling water are effectively avoided from entering, and the mold is protected while pipeline rupture or leakage is avoided, thereby the flow of the cooling water is increased. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model is further illustrated below in combination with the drawings and embodiments:

[0022] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0023] Figure 2 It is a structure schematic view of the upper cover plate outside of the utility model;

[0024] Figure 3 It is a structure schematic view of the cooling pipe outside of the utility model;

[0025] Figure 4 It is a structure schematic view of the utility model Figure 2 It is a structure schematic view of the enlarged view of A in the utility model.

[0026] Reference signs: 1, lower mold; 2, upper mold; 3, gate; 4, connecting pipe; 5, mounting block; 6, fixed block; 7, push block; 8, rubber limiting block; 9, sliding seat; 10, sliding seat groove; 11, core; 12, positioning column; 13, cooling pipe; 14, cavity; 15, positioning column groove; 16, push block groove; 17, first limiting block groove; 18, return spring; 19, filtering plate; 20, second limiting block groove; 21, limiting block; 22, fixed block groove. DETAILED DESCRIPTION

[0027] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0028] In the description of the utility model, need understanding, relate to the direction description, for example, the direction or positional relation of indication such as upper, lower, front, back, left, right based on the direction or positional relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not the indication or the implication of the device or the element must have the specific direction, with the specific direction structure and operation, therefore can not be understood as the restriction of the utility model.

[0029] In the description of the utility model, greater than, less than, exceed and the like are understood as not including the number, and above, below, within and the like are understood as including the number. If it is described as first and second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0030] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing and connecting should be broadly understood, and the skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0031] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a injection mold convenient for heat export, including lower mould 1, upper mould 2 and cooling pipe 13;

[0032] Two filter devices are provided on cooling pipe 13;

[0033] The filtering device comprises a connecting pipe 4, a fixing block 6 and two mounting blocks 5, both of which are fixedly connected to the outer wall of the connecting pipe 4, the outer wall of the connecting pipe 4 is provided with a sliding seat groove 10 in an arc shape, the sliding seat groove 10 is slidably connected with a sliding seat 9 inside, the fixing block 6 is fixedly connected to the outer wall of the sliding seat 9, the upper surfaces of the two mounting blocks 5 are both provided with a fixing block groove 22, the outer walls of the two side protrusions of the fixing block 6 are slidably connected with the interiors of the corresponding fixing block grooves 22, the interiors of the two fixing block grooves 22 are both provided with a first limiting block groove 17, the outer walls of the two side protrusions of the fixing block 6 are both provided with a second limiting block groove 20, the interiors of the two second limiting block grooves 20 are both slidably connected with a limiting block 21, one end of each of the two limiting blocks 21 close to the first limiting block groove 17 is slidably extended into the interior of the fixing block groove 22 and is in contact with the inner wall of the corresponding first limiting block groove 17, the upper surface of the fixing block 6 is provided with a push block groove 16, the interior of the push block groove 16 is slidably connected with a push block 7, the interiors of the two second limiting block grooves 20 are both communicated with the interior of the push block groove 16, one end of each of the two push blocks 7 close to the limiting block 21 is slidably extended into the interior of the second limiting block groove 20 and is fixedly connected with the outer wall of the corresponding limiting block 21, the inner wall of the sliding seat 9 is fixedly connected with a filter plate 19, the interior of the push block groove 16 is slidably connected with a rubber limiting block 8, the outer walls of the two side of the rubber limiting block 8 are respectively in contact with the outer walls of the corresponding push blocks 7, the interior of the push block groove 16 is provided with a return spring 18, the cooling pipe 13 is installed in the interior of the lower mold 1, the two ends of the return spring 18 are respectively fixedly connected with one side of the outer wall of the corresponding push block 7, the two ends of the cooling pipe 13 are both fixedly extended to the outside of the lower mold 1, and the two filtering devices are bolted to the two ends of the cooling pipe 13 through bolts.

[0034] The upper surface of the lower mold 1 is provided with a cavity 14, the lower surface of the upper mold 2 is provided with a core 11 matched with the interior of the cavity 14, the upper surface of the upper mold 2 is provided with a gate 3 communicated with the interior of the cavity 14, and the cooling pipe 13 is arranged in an S shape.

[0035] Further, in use of the device, by connecting external power supply to start, first two connecting pipes 4 are connected with external cooling equipment, then the positioning column 12 on the lower surface of the upper mold 2 is placed opposite to the positioning column groove 15 on the upper surface of the lower mold 1, so that the core 11 enters the inside of the cavity 14 and cooperates with the cavity 14, then the external equipment pours the material into the inside of the cavity 14 through the gate 3 on the upper mold 2, then the external cooling equipment transports the cooling water into the inside of the cooling pipe 13 through the connecting pipe 4, then the cooling water is treated by the filter plate 19 in the connecting pipe 4 and enters the inside of the cooling pipe 13, then the cooling water flows in the inside of the cooling pipe 13 in the lower mold 1, exchanges heat by the outer wall of the cooling pipe 13 and the surface of the lower mold 1, so that the mold in the inside of the cavity 14 is quickly formed, then the used cooling water is treated by the filter plate 19 again when returning to the external cooling equipment through the other connecting pipe 4, so that the impurities and particles in the cooling water are effectively avoided to enter, then when the filter plate 19 needs to be disassembled, the rubber limiting block 8 is taken out from the inside of the push block groove 16, the push block 7 is pushed to move reversely to drive the reset spring 18 to contract and drive the limiting block 21 to move reversely, then the other end of the limiting block 21 is separated from the inside of the first limiting block groove 17 by moving reversely, then the sliding seat 9 can be taken off from the connecting pipe 4.

[0036] The external cooling equipment transports the cooling water into the inside of the cooling pipe 13 through the connecting pipe 4, then the cooling water is treated by the filter plate 19 in the connecting pipe 4 and enters the inside of the cooling pipe 13, then the cooling water flows in the inside of the cooling pipe 13 in the lower mold 1, so that the mold in the inside of the cavity 14 is quickly formed, then the used cooling water is treated by the filter plate 19 again when returning to the external cooling equipment through the other connecting pipe 4, so that the impurities and particles in the cooling water are effectively avoided to enter, and the pipeline is prevented from being broken or leaking, and the mold is protected, so that the flow of the cooling water is increased, the rubber limiting block 8 is taken out from the inside of the push block groove 16, the push block 7 is pushed to move reversely to drive the reset spring 18 to contract and drive the limiting block 21 to move reversely, then the other end of the limiting block 21 is separated from the inside of the first limiting block groove 17 by moving reversely, then the sliding seat 9 can be taken off from the connecting pipe 4, so that the filter plate 19 is cleaned and maintained, the service life of the filter plate 19 is effectively improved, and the practicability and flexibility of the equipment are improved.

[0037] Working principle: firstly two connecting pipes 4 are connected with external cooling equipment, then the positioning column 12 on the lower surface of the upper mold 2 is placed opposite to the positioning column groove 15 on the upper surface of the lower mold 1, so that the core 11 enters the inside of the cavity 14 and cooperates with the cavity 14, then the external equipment pours the injection material into the inside of the cavity 14 through the sprue 3 on the upper mold 2, then the external cooling equipment transports the cooling water into the inside of the cooling pipe 13 through the connecting pipe 4, then the cooling water enters the inside of the cooling pipe 13 after being treated by the filter plate 19 in the connecting pipe 4, then the cooling water flows in the inside of the cooling pipe 13 in the lower mold 1, exchanges heat by the outer wall of the cooling pipe 13 and the surface of the lower mold 1, so that the mold in the cavity 14 is rapidly formed, then the used cooling water is returned to the external cooling equipment through another connecting pipe 4 and is treated again by the filter plate 19, so that the impurities and particles in the cooling water are effectively avoided, then when the filter plate 19 needs to be disassembled, the rubber limiting block 8 is taken out from the inside of the push block groove 16, the push block 7 is moved in the opposite direction, the reset spring 18 is retracted, and the limiting block 21 is moved in the opposite direction, then the limiting block 21 is moved in the opposite direction, so that the other end of the limiting block 21 is separated from the inside of the first limiting block groove 17, then the sliding seat 9 is pulled, so that the sliding seat 9 and the filter plate 19 are taken off from the connecting pipe 4.

[0038] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. An injection mold facilitating heat extraction, comprising a lower mold (1), an upper mold (2) and cooling pipes (13), characterized in that: Two filtering devices are arranged on the cooling pipe (13); The filtering device comprises a connecting pipe (4), a fixing block (6) and two mounting blocks (5), the two mounting blocks (5) are fixedly connected to the outer wall of the connecting pipe (4), the outer wall of the connecting pipe (4) is provided with a sliding seat groove (10), the sliding seat groove (10) is arc-shaped, the sliding seat groove (10) is slidably connected with a sliding seat (9), the fixing block (6) is fixedly connected to the outer wall of the sliding seat (9), the upper surfaces of the two mounting blocks (5) are provided with fixing block grooves (22), and the interiors of the two fixing block grooves (22) are provided with first limiting block grooves (17); The outer walls of the two protrusions on the two sides of the fixing block (6) are provided with second limiting block grooves (20), the interiors of the two second limiting block grooves (20) are slidably connected with limiting blocks (21), the upper surface of the fixing block (6) is provided with a push block groove (16), the interior of the push block groove (16) is slidably connected with a push block (7), the inner wall of the sliding seat (9) is fixedly connected with a filter plate (19), the interior of the push block groove (16) is slidably connected with a rubber limiting block (8), the interior of the push block groove (16) is provided with a reset spring (18), the cooling pipe (13) is arranged in the lower mold (1), and the two filtering devices are bolted to the two ends of the cooling pipe (13).

2. An injection mold facilitating heat extraction according to claim 1, characterized in that: The outer walls of the two protrusions on the two sides of the fixing block (6) are slidably connected with the interiors of the corresponding fixing block grooves (22), and the ends, close to the first limiting block grooves (17), of the two limiting blocks (21) are slidably extended into the interiors of the fixing block grooves (22) and are in contact with the inner walls of the corresponding first limiting block grooves (17); The interiors of the two second limiting block grooves (20) are communicated with the interior of the push block groove (16).

3. The injection mold facilitating heat dissipation of claim 1, wherein: The ends, close to the limiting blocks (21), of the two push blocks (7) are slidably extended into the interiors of the second limiting block grooves (20) and are fixedly connected with the outer walls of the corresponding limiting blocks (21), and the outer walls of the two rubber limiting blocks (8) are in contact with the outer walls of the corresponding push blocks (7); The two ends of the reset spring (18) are fixedly connected with the outer walls of the corresponding push blocks (7), and the two ends of the cooling pipe (13) are fixedly extended to the outside of the lower mold (1).

4. The injection mold facilitating heat dissipation of claim 1, wherein: The lower surface of the upper mold (2) is fixedly connected with four positioning columns (12); The upper surface of the lower mold (1) is provided with four positioning column grooves (15).

5. An injection mold facilitating heat extraction according to claim 4, characterized in that: The outer walls of the four positioning columns (12) are slidably connected with the interiors of the corresponding positioning column grooves (15). The upper surface of the lower mold (1) is provided with a cavity (14).

6. The injection mold facilitating heat dissipation of claim 1, wherein: The lower surface of the upper mold (2) is provided with a core (11), the core (11) is matched with the interior of the cavity (14), and the upper surface of the upper mold (2) is provided with a gate (3); The interior of the gate (3) is communicated with the interior of the cavity (14), and the cooling pipe (13) is arranged in an S shape.

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