Injection mold with rapid cooling function

Abstract

The utility model relates to the technical field of injection molds, in particular to a quick-cooling injection mold, which is characterized in that a right mold is movably inserted into a cooling tank, a cooling area is arranged on the inner wall of the cooling tank, an opening is arranged on the front side wall of the cooling tank, and the opening is communicated with the cooling area; two ends of the plurality of reset springs are respectively connected with the inner wall of the cooling tank and the right mold; the oil storage pipe is of a hollow cylinder structure with openings in the front side and the rear side, the oil storage pipe is arranged at the opening, and threads are arranged on the outer wall of the oil storage pipe; the adjusting sleeve is in threaded connection with the outer wall of the oil storage pipe, and the outer wall of the adjusting sleeve is fixedly sleeved with a gear; and the piston rod can conveniently inject cooling oil into the cooling area through the matching effect of the gear and the rack, so that the right mold is rapidly cooled through heat absorption by means of the property of the cooling oil, and the production efficiency of products is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a fast-cooling injection mold. Background Art

[0002] An injection mold is a tool for producing plastic products and also a tool for giving plastic products a complete structure and precise dimensions. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, it refers to the process of injecting heated and melted plastic into a mold cavity under high pressure by an injection molding machine, and obtaining a molded product after cooling and solidification. Due to the long cooling time available, the production efficiency of the product is affected. Therefore, a fast-cooling injection mold is urgently needed to solve the above problem. Utility Model Content

[0003] The purpose of the utility model is to provide a rationally designed rapid cooling injection mold in view of the defects and shortcomings of the prior art, which can solve the technical problems in the above-mentioned background technology.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: it comprises: a mold body; the mold body is divided into a left mold and a right mold, and the left mold is connected to the hydraulic rod;

[0005] It also contains:

[0006] A cooling trough, wherein the cooling trough is a box-type structure with an opening on the left side, the right mold is movably inserted in the cooling trough, a cooling zone is opened on the inner wall of the cooling trough, an opening is opened on the front side wall of the cooling trough, and the opening is connected with the cooling zone;

[0007] There are several return springs, and both ends of the return springs are respectively connected to the inner wall of the cooling groove and the right mold;

[0008] The oil storage pipe is a hollow cylindrical structure with openings on both sides, and the oil storage pipe is arranged at the opening, and the outer wall of the oil storage pipe is provided with threads;

[0009] An adjusting sleeve, wherein the adjusting sleeve is threadedly connected to the outer wall of the oil storage pipe, and a gear is fixedly mounted on the outer wall of the adjusting sleeve;

[0010] A piston rod, wherein the left end of the piston rod is fixedly connected to the inner wall of the adjustment sleeve, and the right end of the piston rod is movably inserted in the oil storage pipe, and the peripheral wall of the right end of the piston rod abuts against the inner wall of the oil storage pipe;

[0011] The left end of the rack is connected to the left mold, and the rack is meshed with the gear.

[0012] Preferably, a cooling pipe is provided on the rear side of the cooling groove, and the end of the cooling pipe is through-connected with the cooling zone, the other end of the cooling pipe is through-connected with the piston tube, the heat sink is fixedly arranged on the side wall of the cooling groove at equal intervals, and the side wall of the cooling pipe is movably contacted with the heat sink, a plurality of heat dissipation holes are through-opened on the heat sink, the heat dissipation fan is fixedly arranged on the rear side wall of the cooling groove, and the heat dissipation fan is connected to an external power supply.

[0013] Preferably, an interception net is provided between the plurality of heat dissipation plates.

[0014] Preferably, a plurality of heat dissipation plates are each provided with a drainage plate.

[0015] Preferably, an oil filling hole is formed through the front end of the piston rod.

[0016] Compared with the prior art, the beneficial effect of the utility model is that the rapid cooling injection mold described in the utility model utilizes the cooperation of the gear and the rack to facilitate the piston rod to inject cooling oil into the cooling zone, thereby utilizing the properties of the cooling oil to rapidly absorb heat and cool the right mold, thereby improving the production efficiency of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the cooling tank and the oil storage pipe in the utility model.

[0019] Figure 3 It is a structural schematic diagram of the oil storage pipe and the regulating sleeve in the utility model.

[0020] Figure 4 It is a structural schematic diagram of the cooling trough, cooling pipe and heat dissipation plate in the utility model.

[0021] Figure 5 It is a structural schematic diagram of the cooling pipe in the utility model.

[0022] Description of reference numerals:

[0023] Mold body 1, left mold 2, right mold 3, cooling groove 4, cooling zone 5, return spring 6, oil storage pipe 7, adjustment sleeve 8, gear 9, piston rod 10, rack 11, cooling pipe 12, heat sink 13, heat dissipation hole 14, cooling fan 15, interception net 16, guide plate 17, oil filling hole 18. DETAILED DESCRIPTION

[0024] 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.

[0025] like Figure 1 -- Figure 5 As shown, this specific implementation adopts the following technical solutions:

[0026] It comprises: a mold body 1; the mold body 1 is divided into a left mold 2 and a right mold 3, and the left mold 2 is connected to a hydraulic rod;

[0027] It also contains:

[0028] The cooling groove 4 is a box-type structure with an opening on the left side. The right mold 3 is movably inserted in the cooling groove 4. A cooling zone 5 is provided on the inner wall of the cooling groove 4. An opening is provided on the front side wall of the cooling groove 4. The opening is connected to the cooling zone 5. By inserting the right mold 3 in the cooling groove 4, the right mold 3 can be quickly cooled.

[0029] The return spring 6 is a plurality of return springs 6, and the two ends of the plurality of return springs 6 are respectively connected to the inner wall of the cooling groove 4 and the right mold 3, and the elastic force of the return spring 6 is used to facilitate the movement of the right mold 3 in the cooling groove 4;

[0030] The oil storage pipe 7 is a hollow cylindrical structure with openings on both sides, and the oil storage pipe 7 is arranged at the opening, and the outer wall of the oil storage pipe 7 is provided with threads, and cooling oil is injected into the oil storage pipe 7, and the cooling effect of the cooling tank 4 is improved by utilizing the cooling oil;

[0031] The adjusting sleeve 8 is threadedly connected to the outer wall of the oil storage pipe 7, and a gear 9 is fixedly sleeved on the outer wall of the adjusting sleeve 8. The gear 9 cooperates with the adjusting sleeve 8 to facilitate the movement of the adjusting sleeve 8 on the oil storage pipe 7;

[0032] The piston rod 10, the left end of the piston rod 10 is fixedly connected to the inner wall of the adjustment sleeve 8, and the right end of the piston rod 10 is movably inserted in the oil storage tube 7, the right end peripheral wall of the piston rod 10 abuts against the inner wall of the oil storage tube 7, and the piston rod 10 is used to squeeze the cooling oil into the cooling zone 5, so as to cool the right mold 3. The front end of the piston rod 10 is provided with an oil filling hole 18, which is convenient for the operator to fill the cooling oil into the oil storage tube 7 through the oil filling hole 18;

[0033] A rack 11, the left end of which is connected to the left mold 2, and the rack 11 is meshed with the gear 9, and the gear 9 is driven to rotate by the rack 11, thereby driving the adjustment sleeve 8 to move on the oil storage pipe 7;

[0034] A cooling pipe 12 is provided at the rear side of the cooling groove 4, and the end of the cooling pipe 12 is connected to the cooling zone 5, and the other end of the cooling pipe 12 is connected to the piston tube, and the heat sink 13 is fixedly arranged on the side wall of the cooling groove 4 at equal intervals, and the side wall of the cooling pipe 12 is movably opposed to the heat sink 13, and a plurality of heat dissipation holes 14 are opened on the heat sink 13, and a heat dissipation fan 15 is fixedly arranged on the rear side wall of the cooling groove 4, and the heat dissipation fan 15 is connected to an external power supply, and when the cooling oil is squeezed into the cooling zone 5 by the piston rod 10, the cooling oil in the cooling zone 5 is moved to the cooling pipe 12, and the cooling oil in the cooling zone 5 is moved to the cooling pipe 12 through the heat sink 13 absorbs and diffuses the heat of the cooling oil in the cooling pipe 12, and turns on the cooling fan 15 to reduce the temperature of the cooling pipe 12 and the heat sink 13, so as to cool the cooling oil and ensure the cooling effect of the cooling tank 4. An interception net 16 is provided between several heat sinks 13. The limiting effect of the interception net 16 is utilized to limit the cooling pipe 12 between the heat sinks 13 to prevent the cooling pipe 12 from falling between the heat sinks 13. Drainage plates 17 are provided on several heat sinks 13 to facilitate the drainage of the flowing air generated by the cooling fan 15 to the heat sink 13 and the cooling pipe 12 through the drainage plates 17.

[0035] When the utility model is used, when the left mold 2 is inserted into the right mold 3 by the hydraulic rod for the injection molding process, the right mold 3 is movably inserted into the cooling tank 4, and the left mold 2 drives the rack 11 to move, and the rack 11 drives the gear 9 to rotate by the cooperation of the rack 11 and the gear 9, and the gear 9 drives the adjusting sleeve 8 to rotate, and then the adjusting sleeve 8 moves in the direction of the right mold 3 by the effect of the thread, and the adjusting sleeve 8 drives the piston rod 10 to move, so that the piston rod 10 pushes the cooling oil in the oil storage pipe 7 into the cooling zone 5, so that the cooling oil circulates in the cooling zone 5 and in the cooling pipe 12, and the cooling oil in the cooling pipe 12 is cooled by the heat sink 13, and the right mold 3 in the cooling tank 4 is cooled by the cooling oil, so that the right mold 3 is cooled quickly, and at the same time, the cooling fan 15 is turned on, and the cooling pipe 12 and the heat sink 13 are cooled by the flowing air, so that the cooling oil is cooled;

[0036] When the injection molding is completed, the left mold 2 is separated from the right mold 3, and the right mold 3 is moved out of the cooling groove 4 by utilizing the action of the return spring 6, so that the cooled cooling oil is sucked into the cooling zone 5 through the piston rod 10, thereby cooling the cooling groove 4 to ensure that the cooling groove 4 can quickly cool down the right mold 3.

[0037] After adopting the above structure, the beneficial effects of this specific implementation are as follows:

[0038] 1. An oil storage pipe 7 is provided, and the cooperation of the rack 11 and the gear 9 is utilized to facilitate the movement of the adjusting sleeve 8 on the oil storage pipe 7, and at the same time drive the piston rod 10 to move, so as to facilitate pushing the cooling oil into the cooling zone 5, so as to facilitate the cooling groove 4 to quickly cool down the right mold 3;

[0039] 2. A heat sink 13 and a heat sink fan 15 are provided. The heat sink fan 15 and the heat sink 13 are used to cool down the cooling oil in the cooling pipe 12 to ensure the cooling effect of the cooling tank 4.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rapid cooling injection mold, comprising: a mold body (1); the mold body (1) is divided into a left mold (2) and a right mold (3); the left mold (2) is connected to a hydraulic rod; It is characterized in that It also contains: A cooling trough (4), wherein the cooling trough (4) is a box-type structure with an opening on the left side, the right mold (3) is movably inserted into the cooling trough (4), a cooling zone (5) is provided on the inner wall of the cooling trough (4), an opening is provided on the front side wall of the cooling trough (4), and the opening is connected to the cooling zone (5); A return spring (6), wherein there are a plurality of return springs (6), and the two ends of the plurality of return springs (6) are respectively connected to the inner wall of the cooling groove (4) and the right mold (3); An oil storage pipe (7), the oil storage pipe (7) being a hollow cylindrical structure with openings on both sides, and the oil storage pipe (7) being arranged at the opening, and the outer wall of the oil storage pipe (7) being provided with threads; An adjusting sleeve (8), wherein the adjusting sleeve (8) is threadedly connected to the outer wall of the oil storage pipe (7), and a gear (9) is fixedly mounted on the outer wall of the adjusting sleeve (8); A piston rod (10), wherein the left end of the piston rod (10) is fixedly connected to the inner wall of the adjustment sleeve (8), and the right end of the piston rod (10) is movably inserted into the oil storage pipe (7), and the peripheral wall of the right end of the piston rod (10) abuts against the inner wall of the oil storage pipe (7); A rack (11), wherein the left end of the rack (11) is connected to the left mold (2), and the rack (11) is meshed with the gear (9).

2. A rapid cooling injection mold according to claim 1, characterized in that: A cooling pipe (12) is provided on the rear side of the cooling groove (4), and the end of the cooling pipe (12) is connected to the cooling zone (5), and the other end of the cooling pipe (12) is connected to the piston tube, and the heat sink (13) is fixedly arranged on the side wall of the cooling groove (4) at equal intervals, and the side wall of the cooling pipe (12) is movably abutted against the heat sink (13), and a plurality of heat dissipation holes (14) are opened on the heat sink (13), and a heat dissipation fan (15) is fixedly arranged on the rear side wall of the cooling groove (4), and the heat dissipation fan (15) is connected to an external power supply.

3. A rapid cooling injection mold according to claim 2, characterized in that: An interception net (16) is provided between the plurality of heat dissipation plates (13).

4. A rapid cooling injection mold according to claim 2, characterized in that: A flow guide plate (17) is provided on each of the plurality of heat dissipation plates (13).

5. A rapid cooling injection mold according to claim 1, characterized in that: An oil filling hole (18) is formed through the front end of the piston rod (10).

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