Precise injection mold cooling device

Abstract

The utility model relates to the technical field of cooling devices, and discloses a precise injection mold cooling device which comprises a main mold, an auxiliary mold is arranged on the left side of the main mold, a first water path is formed in the main mold, a second water path is formed in the auxiliary mold, and the first water path is communicated with the second water path. A first water guide pipe communicating with the output end of the first water way is arranged on the front face of the main mold, a second water guide pipe communicating with the output end of the second water way is arranged on the front face of the auxiliary mold, and a third water guide pipe communicating with the input end of the first water way is arranged on the front face of the main mold. And a fourth water guide pipe communicated with the input end of the second water path is arranged on the front surface of the auxiliary mold. The precise injection mold cooling device has the advantages of being high in cooling speed and the like, and solves the problems that due to the fact that the contact between the U-shaped water channel and the interior of the mold is small, heat taken away by the water channel is limited, and the mold cooling forming efficiency is ordinary.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling devices, in particular to a precision injection mold cooling device. Background Art

[0002] Injection molding machine is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. After injection molding, a cooling device is needed to cool the mold to accelerate the molding process.

[0003] Ordinary injection molding machines usually use U-shaped water channels to cool the mold. Since the U-shaped water channel has less contact with the inside of the mold, the heat carried away by the water channel is limited, resulting in average mold cooling and molding efficiency. Therefore, a precision injection mold cooling device is proposed to solve the above-mentioned problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a precision injection mold cooling device having the advantages of fast cooling speed, etc., and solves the problem that the heat carried away by the U-shaped water channel is limited due to less contact between the U-shaped water channel and the inside of the mold, resulting in general mold cooling and molding efficiency.

[0006] (II) Technical solution

[0007] The utility model solves the above technical problems with the following technical solutions: a precision injection mold cooling device, comprising a main mold, a sub-mold is arranged on the left side of the main mold, a first water channel is opened inside the main mold, a second water channel is opened inside the sub-mold, a first water conduit connected to the output end of the first water channel is arranged on the front of the main mold, a second water conduit connected to the output end of the second water channel is arranged on the front of the sub-mold, a third water conduit connected to the input end of the first water channel is arranged on the front of the main mold, a fourth water conduit connected to the input end of the second water channel is arranged on the front of the sub-mold, and the first water conduit and the fourth water conduit are connected to the first water channel. One end of the two water pipes away from the main mold is connected to the same first connecting pipe, one end of the third water pipe and the fourth water pipe away from the main mold is connected to the same second connecting pipe, one end of the first connecting pipe away from the main mold is connected to the first heat dissipation pipe, one end of the first heat dissipation pipe away from the first connecting pipe is fixedly connected to the water tank, one end of the second connecting pipe away from the main mold is connected to the second heat dissipation pipe, one end of the second heat dissipation pipe away from the second connecting pipe is provided with a water pump, the input end of the water pump is connected to the water tank, the outer sides of the first heat dissipation pipe and the second heat dissipation pipe are provided with heat sinks, and the front side of the heat sinks is provided with heat dissipation fans.

[0008] The beneficial effects of the utility model are as follows: the water pump transports the coolant in the water tank to the second radiating pipe, which is then transported to the second connecting pipe by the second connecting pipe, and then the coolant is transported to the third water pipe and the fourth water pipe respectively by the second connecting pipe, and then transported to the first water path and the second water path respectively by the third water pipe and the fourth water pipe, the coolant in the first water path and the second water path takes away the heat in the main mold and the auxiliary mold, the coolant is transported to the first connecting pipe by the first water pipe and the second water pipe, and then enters the first radiating pipe and then enters the water tank through the first connecting pipe to complete the circulation, during the circulation process, the heat sink absorbs the heat of the first radiating pipe and the second radiating pipe, and then the heat is blown out by the heat dissipation fan to complete the cooling.

[0009] The precision injection mold cooling device has the advantage of fast cooling speed.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the first water channel is arranged in a surrounding shape, and the second water channel is arranged in a surrounding shape.

[0012] The beneficial effect of adopting the above further solution is that the first water channel is arranged in a surrounding shape, which can increase the contact area between the coolant and the inside of the main mold and increase the speed of absorbing heat to achieve the purpose of faster cooling.

[0013] Furthermore, the first heat dissipation tube and the second heat dissipation tube are both made of pure copper, and the heat sink is made of aluminum alloy.

[0014] The beneficial effect of adopting the above further solution is that the first heat dissipation tube and the second heat dissipation tube are both made of pure copper, which can make heat transfer faster.

[0015] Furthermore, the first water conduit, the second water conduit, the third water conduit and the fourth water conduit are all configured as metal hoses, and the second heat dissipation pipe is configured as a U-shaped loop.

[0016] The beneficial effect of adopting the above further solution is that the metal hose is arranged to be easy to extend.

[0017] Furthermore, two fixing rings are fixedly connected to the bottom of the water tank and are symmetrically distributed on the left and right sides, and the interiors of the two fixing rings are fixedly connected to the outside of the water pump.

[0018] The beneficial effect of adopting the above further solution is that the fixing ring can provide a fixing effect for the water pump.

[0019] Furthermore, a water inlet valve is arranged on the right side of the water tank, and a water outlet valve is arranged on the right side of the water tank.

[0020] The beneficial effect of adopting the above further solution is that the water inlet valve facilitates the addition of coolant. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a front view of the connection structure of the heat dissipation fan and the heat sink of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the first waterway and the second waterway of the utility model;

[0024] Figure 4 This is a schematic diagram of the connection structure of the main mold and the auxiliary mold of the utility model.

[0025] In the figure: 1. main mold; 2. auxiliary mold; 3. first water channel; 4. second water channel; 5. first water pipe; 6. second water pipe; 7. third water pipe; 8. fourth water pipe; 9. first connecting pipe; 10. second connecting pipe; 11. first heat dissipation pipe; 12. water tank; 13. second heat dissipation pipe; 14. water pump; 15. heat sink; 16. cooling fan; 17. fixing ring; 18. water inlet valve; 19. water outlet valve. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the embodiment, Figure 1-4A precision injection mold cooling device is provided. The utility model comprises a main mold 1, a sub-mold 2 is arranged on the left side of the main mold 1, a first water channel 3 is opened inside the main mold 1, a second water channel 4 is opened inside the sub-mold 2, a first water conduit 5 connected to the output end of the first water channel 3 is arranged on the front of the main mold 1, a second water conduit 6 connected to the output end of the second water channel 4 is arranged on the front of the sub-mold 2, a third water conduit 7 connected to the input end of the first water channel 3 is arranged on the front of the main mold 1, a fourth water conduit 8 connected to the input end of the second water channel 4 is arranged on the front of the sub-mold 2, and the first water conduit 5 and the second water conduit 6 are both connected to the ends away from the main mold 1. The same first connecting pipe 9, the third water conduit 7 and the fourth water conduit 8 are all connected to the same second connecting pipe 10 at the ends away from the main mold 1, the first connecting pipe 9 is connected to the first heat dissipation pipe 11 at the end away from the main mold 1, and the first heat dissipation pipe 11 is fixedly connected to the water tank 12 at the end away from the first connecting pipe 9, and the second connecting pipe 10 is connected to the second heat dissipation pipe 13 at the end away from the main mold 1, and the second heat dissipation pipe 13 is provided with a water pump 14 at the end away from the second connecting pipe 10, and the input end of the water pump 14 is connected to the water tank 12, and the outer sides of the first heat dissipation pipe 11 and the second heat dissipation pipe 13 are provided with heat sinks 15, and the front of the heat sink 15 is provided with a heat dissipation fan 16.

[0028] The first water channel 3 is arranged in a surrounding shape, and the second water channel 4 is arranged in a surrounding shape.

[0029] The first water channel 3 is arranged in a circular shape to increase the contact area between the coolant and the inside of the main mold 1 and increase the speed of absorbing heat to achieve a faster cooling purpose.

[0030] The first heat dissipation tube 11 and the second heat dissipation tube 13 are both made of pure copper, and the heat sink 15 is made of aluminum alloy.

[0031] The first heat dissipation tube 11 and the second heat dissipation tube 13 are both made of pure copper to make heat transfer faster, and the heat sink 15 is made of aluminum alloy to make the heat sink 15 lighter.

[0032] The first water conduit 5, the second water conduit 6, the third water conduit 7 and the fourth water conduit 8 are all arranged as metal hoses, and the second heat dissipation pipe 13 is arranged as a U-shaped loop.

[0033] The metal hose is arranged to be easy to extend, and the second heat dissipation pipe 13 is arranged as a U-shaped loop to increase the contact area with the heat dissipation fin 15 and increase the cooling speed.

[0034] Two fixing rings 17 symmetrically distributed on the left and right are fixedly connected to the bottom of the water tank 12 , and the insides of the two fixing rings 17 are fixedly connected to the outside of the water pump 14 .

[0035] The fixing ring 17 can provide a fixing effect for the water pump 14 .

[0036] A water inlet valve 18 is provided on the right side of the water tank 12 , and a water outlet valve 19 is provided on the right side of the water tank 12 .

[0037] The water inlet valve 18 is convenient for adding coolant, and the water outlet valve 19 is convenient for replacing coolant.

[0038] Working principle:

[0039] Step 1: Add coolant to the water tank 12, start the water pump 14 to transport the coolant to the second connecting pipe 10 through the second heat dissipation pipe 13, and then transport the coolant to the first water channel 3 and the second water channel 4 through the third water pipe 7 and the fourth water pipe 8 to cool the main mold 1 and the auxiliary mold 2;

[0040] Step 2: The coolant after absorbing heat enters the first water pipe 5 and the second water pipe 6 through the first water channel 3 and the second water channel 4, then enters the first heat dissipation pipe 11 through the first connecting pipe 9, and then enters the water tank 12 through the first heat dissipation pipe 11 to complete the cycle;

[0041] Step 3: Start the cooling fan 16 to lower the temperature of the coolant through the first cooling tube 11, the second cooling tube 13 and the cooling fin 15 to complete the operation.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0043] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A precision injection mold cooling device, comprising a main mold (1), characterized in that: A secondary mold (2) is arranged on the left side of the main mold (1); a first water channel (3) is provided inside the main mold (1); a second water channel (4) is provided inside the secondary mold (2); a first water conduit (5) connected to the output end of the first water channel (3) is arranged on the front of the main mold (1); a second water conduit (6) connected to the output end of the second water channel (4) is arranged on the front of the secondary mold (2); a third water conduit (7) connected to the input end of the first water channel (3) is arranged on the front of the main mold (1); a fourth water conduit (8) connected to the input end of the second water channel (4) is arranged on the front of the secondary mold (2); the first water conduit (5) and the second water conduit (6) are both connected to the same first connecting pipe (9) at one end away from the main mold (1); the third water conduit (7) is connected to the input end of the first water channel (3); and the fourth water conduit (8) is connected to the input end of the second water channel (4). The ends of the water pipe (7) and the fourth water conduit (8) away from the main mold (1) are both connected to the same second connecting pipe (10); the ends of the first connecting pipe (9) away from the main mold (1) are connected to the first heat dissipation pipe (11); the ends of the first heat dissipation pipe (11) away from the first connecting pipe (9) are fixedly connected to the water tank (12); the ends of the second connecting pipe (10) away from the main mold (1) are connected to the second heat dissipation pipe (13); the ends of the second heat dissipation pipe (13) away from the second connecting pipe (10) are provided with a water pump (14); the input end of the water pump (14) is connected to the water tank (12); the outer sides of the first heat dissipation pipe (11) and the second heat dissipation pipe (13) are both provided with heat dissipation fins (15); the front sides of the heat dissipation fins (15) are provided with heat dissipation fans (16).

2. A precision injection mold cooling device according to claim 1, characterized in that: The first water channel (3) is arranged in a surrounding shape, and the second water channel (4) is arranged in a surrounding shape.

3. A precision injection mold cooling device according to claim 1, characterized in that: The first heat dissipation tube (11) and the second heat dissipation tube (13) are both made of pure copper, and the heat dissipation fin (15) is made of aluminum alloy.

4. A precision injection mold cooling device according to claim 1, characterized in that: The first water conduit (5), the second water conduit (6), the third water conduit (7) and the fourth water conduit (8) are all arranged in the form of metal hoses, and the second heat dissipation pipe (13) is arranged in the form of a U-shaped loop.

5. The precision injection mold cooling device according to claim 1, characterized in that: Two fixing rings (17) which are symmetrically distributed on the left and right are fixedly connected to the bottom of the water tank (12), and the interiors of the two fixing rings (17) are fixedly connected to the outside of the water pump (14).

6. A precision injection mold cooling device according to claim 1, characterized in that: A water inlet valve (18) is provided on the right side of the water tank (12), and a water outlet valve (19) is provided on the right side of the water tank (12).

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