Injection mold capable of conveniently controlling flow speed

Abstract

The injection mold comprises an upper mold body, a spraying mechanism is arranged at the top of the upper mold body, a temperature control mechanism is installed at the bottom of the upper mold body, a clamping mechanism is arranged on the side face of the temperature control mechanism, and a flow pump is arranged at the top of the upper mold body. And one end of the flow pump is fixedly connected with an access pipe. The flow pump is placed on the top of the upper mold, one end of the flow pump is connected with the liquid injection opening in the top of the upper mold, the access pipe is arranged at the other end of the flow pump, and the access pipe is connected with injection liquid, so that during injection molding, the flow of the injection liquid is controlled through the flow pump to flow into the upper mold and the lower mold, and the injection molding efficiency is improved. The flow velocity can be effectively controlled during injection molding, so that a stable adjusting effect can be realized when the flow velocity is too fast or too slow, and the situation that the flow velocity is too fast or too slow due to the fact that the flow velocity of injection molding liquid is not effectively controlled during injection molding is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of injection molds, in particular to an injection mold capable of conveniently controlling flow rate. Background Art

[0002] For injection molds, temperature control is one of the important technical indicators of injection molds. Temperature control is also directly related to the quality of the products produced by injection molds. Specifically, an injection mold is a type of mold that heats the liquid material and injects it into the molding cavity, and then cools and solidifies the material before forming.

[0003] In the prior art, for example, the Chinese patent number CN115625860A, "An injection mold for an injection molding machine", includes two clamping plates, and the opposite surfaces of the two clamping plates are detachably connected with half mold bodies, the clamping plate at the rear end is fixedly connected to the bottom beam, and the clamping plate at the front end is slidably connected to the bottom beam, and baffles are inserted at both ends of the two clamping plates; the lower ends of the four baffles are slidably connected to the bottom beam; the lower end of the bottom beam is fixedly connected to the bottom frame, and a box body is placed on the bottom frame. It also includes a water pipe, and the inner side surfaces of the two clamping plates are embedded and fixedly connected with the water pipe.

[0004] In the prior art, although the existing injection molds realize the functions of injection molding and cooling molding, during the injection molding process, the flow rate of the injection liquid is not effectively controlled, which leads to too fast or too slow flow, interruption of flow and air entry inside the pipeline, resulting in bubbles inside the injection molded parts, affecting the quality of the injection molded parts. In addition, during the injection molding process, it is not convenient to use various control methods to heat up or cool the temperature of the mold, resulting in the problem that the injection molding production process cannot be controlled according to actual conditions. In view of the above problems, an injection mold with convenient flow rate control is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide an injection mold with convenient flow rate control, so as to solve the problem that although the injection mold realizes the functions of injection molding and cooling molding during the operation of the prior art proposed in the above background technology, the flow rate of the injection liquid is not effectively controlled during the injection molding process, which leads to the flow rate being too fast or too slow, and the flow is interrupted and air enters the pipeline, resulting in bubbles in the injection molded parts, affecting the quality of the injection molded parts. In addition, it is not convenient to use various control methods to heat up or cool the temperature of the mold during the injection molding process, resulting in the problem that the injection molding production process cannot be controlled according to actual conditions.

[0006] To achieve the above object, the present invention provides the following technical solution: an injection mold for conveniently controlling flow rate, comprising an upper mold, a spray mechanism is arranged on the top of the upper mold, a temperature control mechanism is installed on the bottom of the upper mold, a clamping mechanism is arranged on the side of the temperature control mechanism, a flow pump is arranged on the top of the upper mold, and an access pipe is fixedly connected to one end of the flow pump;

[0007] A spray box is arranged on the top of the spray mechanism, a plurality of straight pipes are evenly distributed on the bottom of the spray box and penetrate the bottom of the spray mechanism, a spray head is fixedly connected to the bottom of the straight pipe, the spray heads are evenly distributed on the bottom of the spray mechanism, and the spray heads are all arranged above the upper mold;

[0008] A temperature controller is arranged on one side of the temperature control mechanism, a refrigerator is installed on the top of the temperature controller, a heater is installed on the top of the temperature controller, and the heater is arranged on the side of the refrigerator. A plurality of temperature control rods are evenly distributed on the inner side of the temperature control mechanism, and one end of the temperature control rod passes through the side of the temperature control mechanism and is connected to the side of the temperature controller.

[0009] Preferably, an electric telescopic rod is fixedly connected to the side of the clamping mechanism, one end of the electric telescopic rod passes through one side of the temperature control mechanism, one end of the electric telescopic rod is connected to a clamping strip, and the clamping strip is movably installed on the inner side of the temperature control mechanism.

[0010] Preferably, a lower mold is provided at the bottom of the upper mold, a liquid injection port is provided through the top of the upper mold, and separation grooves are provided on both sides of the bottom of the upper mold and the top of the lower mold.

[0011] Preferably, mold closing guide rods are fixedly installed at the four corners of the top of the lower mold, and the tops of the mold closing guide rods are movably inserted through the top of the upper mold. Multiple heat dissipation holes are evenly opened on the sides of the upper mold and the lower mold.

[0012] Preferably, a connecting hose is fixedly connected to the top of the spray box, one end of the connecting hose is fixedly connected to a spray pump, and a side of the spray pump is connected to a side of the temperature control mechanism.

[0013] Preferably, two water collection ports are formed through the side surface of the temperature control mechanism, and one end of the water collection port is connected to the side surface of the spray pump.

[0014] Preferably, sliding tracks are provided on both sides of the bottom of the spray mechanism, and a support frame is movably connected to the inner side of the sliding track, a bottom plate is fixedly installed on the bottom of the support frame, the support frame is arranged on one side of the temperature control mechanism, and the temperature control mechanism is arranged on the top of the bottom plate, and two handles are fixedly installed on the top of the spray mechanism.

[0015] Preferably, a circulator is fixedly installed on the side of the temperature control mechanism, one end of the temperature control rod passes through the side of the temperature control mechanism and is connected to one side of the circulator, clamping plates are fixedly installed on both ends of the clamping strip, and multiple anti-sliding blocks are evenly distributed on the side of the clamping plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. In the present invention, a flow pump and an access pipe are provided. The flow pump is placed on the top of the upper mold, and one end is connected to the injection port on the top of the upper mold. An access pipe is provided at the other end of the flow pump. The access pipe is connected to the injected liquid. During injection molding, the flow rate of the injection liquid can be controlled by the flow pump to flow into the interior of the upper mold and the lower mold, thereby facilitating effective control of the flow rate during injection molding, so as to achieve a stable adjustment effect when the flow rate is too fast or too slow, and avoiding the problem that the injection liquid flow rate is not effectively controlled during injection molding, resulting in too fast or too slow flow, interruption of flow in the pipeline and air entering, resulting in bubbles in the injection molded part, which affects the quality of the injection molded part.

[0018] 2. In the present invention, a spray mechanism is provided, and the spray mechanism is installed above the upper mold. A spray box is installed on the top of the spray mechanism and connected to a spray pump through a connecting hose. The spray pump is installed on the side of the temperature control mechanism and connected to the inner side of the temperature control mechanism through a water collecting port. A plurality of spray heads are distributed at the bottom of the spray mechanism and connected to the bottom of the spray box. This facilitates the injection molding process. Coolant is placed inside the temperature control mechanism, and then the coolant is extracted through the spray pump and the water collecting port and transported to the spray box through a connecting hose for equal distribution. Then, the spray head is used to evenly spray the coolant on the upper mold, which is beneficial to achieve a rapid cooling effect during the molding process. The coolant after spraying is recycled by naturally flowing into the inner side of the temperature control mechanism, thereby improving the energy saving and efficient cooling effects.

[0019] 3. In the present invention, a temperature control mechanism is provided, and the temperature control mechanism is installed at the bottom of the upper mold, a temperature controller is provided on the side of the temperature control mechanism, and a refrigerator and a heater are installed on the top, a plurality of temperature control rods are evenly distributed on the inner side of the temperature control mechanism, and the bottom of the lower mold is placed on the temperature control rod, and a circulator is provided on the other side of the temperature control mechanism to communicate with the temperature control rod, so that during molding, the refrigerator and the heater can be used in conjunction with the temperature controller to cool or heat the internal liquid, and at the same time, the circulator can be used to circulate the liquid inside the temperature control rod, which is beneficial to effectively adjust the temperature according to the injection molding situation, and is beneficial to improving the molding quality and the convenience of molding operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1A three-dimensional diagram of an injection mold for conveniently controlling flow rate according to the present invention;

[0021] Figure 2 This is a schematic structural diagram from another angle of an injection mold for conveniently controlling flow rate according to the present invention;

[0022] Figure 3 This is a schematic diagram of the exploded structure of an injection mold for conveniently controlling flow rate according to the present invention;

[0023] Figure 4 This is a schematic structural diagram of a cooling spray device for an injection mold that conveniently controls flow rate according to the present invention;

[0024] Figure 5 It is a partial structural schematic diagram of a temperature control mechanism of an injection mold for conveniently controlling flow rate of the present invention;

[0025] Figure 6 The present invention is a schematic structural diagram of a clamping mechanism for an injection mold for conveniently controlling flow rate.

[0026] In the figure:

[0027] 1. Upper mold; 2. Spray mechanism; 3. Temperature control mechanism; 4. Clamping mechanism; 11. Lower mold; 12. Liquid injection port; 13. Separation groove; 14. Mold closing guide rod; 15. Heat dissipation hole; 16. Flow pump; 17. Access pipe; 21. Spray box; 22. Spray head; 23. Connecting hose; 24. Spray pump; 25. Water collection port; 26. Support frame; 27. Bottom plate; 28. Sliding track; 29. ​​Handle; 31. Temperature controller; 32. Refrigerator; 33. Heater; 34. Temperature control rod; 35. Circulator; 41. Electric telescopic rod; 42. Clamping strip; 43. Clamping plate; 44. Anti-sliding block. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Reference Figure 1-6As shown: an injection mold for conveniently controlling flow rate, comprising an upper mold 1, a spray mechanism 2 is arranged on the top of the upper mold 1, a temperature control mechanism 3 is installed at the bottom of the upper mold 1, a clamping mechanism 4 is arranged on the side of the temperature control mechanism 3, a flow pump 16 is arranged on the top of the upper mold 1, one end of the flow pump 16 is fixedly connected with an access pipe 17, by placing the flow pump 16 on the top of the upper mold 1, and one end is connected to the injection port 12 at the top of the upper mold 1, and an access pipe 17 is arranged at the other end of the flow pump 16, and the access pipe 17 is connected to the injected liquid through the access pipe 17, so that during injection molding, the flow of the injection liquid can be controlled by the flow pump 16 to flow into the interior of the upper mold 1 and the lower mold 11, thereby facilitating the effective control of the flow rate during injection molding, so as to achieve a stable adjustment effect when the flow rate is too fast or too slow, and avoiding the problem that the injection liquid flow is not effectively controlled during injection molding, thereby causing the flow rate to be too fast or too slow, the flow is interrupted inside the pipeline, and air enters, so that bubbles exist inside the injection molded part, affecting the quality of the injection molded part;

[0030] A spray box 21 is arranged on the top of the spray mechanism 2, a plurality of straight pipes are evenly distributed on the bottom of the spray box 21 and penetrate the bottom of the spray mechanism 2, a spray head 22 is fixedly connected to the bottom of the straight pipe, the spray heads 22 are evenly distributed on the bottom of the spray mechanism 2, and the spray heads 22 are arranged above the upper mold 1. By installing the spray mechanism 2 above the upper mold 1, installing the spray box 21 on the top of the spray mechanism 2 and connecting the spray pump 24 through the connecting hose 23, the spray pump 24 is installed on the side of the temperature control mechanism 3 and connected to the inner side of the temperature control mechanism 3 through the water collecting port 25, A plurality of spray heads 22 are distributed at the bottom of the shower mechanism 2 and are connected to the bottom of the spray box 21, so that during the injection molding process, by putting coolant inside the temperature control mechanism 3, the coolant is extracted through the spray pump 24 and the water collection port 25 and transported to the spray box 21 through the connecting hose 23 for even distribution, and then the spray head 22 is used to spray evenly on the upper mold 1, so as to achieve the effect of rapid cooling during the molding process. The coolant after spraying flows naturally into the inner side of the temperature control mechanism 3 for recycling, which improves the effect of energy saving and efficient cooling;

[0031] A temperature controller 31 is provided on one side of the temperature control mechanism 3, a refrigerator 32 is installed on the top of the temperature controller 31, a heater 33 is installed on the top of the temperature controller 31, and the heater 33 is arranged on the side of the refrigerator 32. A plurality of temperature control rods 34 are evenly distributed on the inner side of the temperature control mechanism 3, and one end of the temperature control rod 34 passes through the side of the temperature control mechanism 3 and is connected to the side of the temperature controller 31. By installing the temperature control mechanism 3 on the bottom of the upper mold 1, the temperature controller 31 is provided on the side of the temperature control mechanism 3 and the refrigerator 32 and the heater 33 are installed on the top, and the inner side of the temperature control mechanism 3 A plurality of temperature control rods 34 are evenly distributed on one side and the bottom of the lower mold 11 is placed on the temperature control rod 34. A circulator 35 is provided on the other side of the temperature control mechanism 3 to communicate with the temperature control rod 34, so that during molding, the refrigerator 32 and the heater 33 can be used in conjunction with the temperature controller 31 to cool or heat the internal liquid. At the same time, the circulator 35 can be used to circulate the liquid inside the temperature control rod 34, which is beneficial to effectively adjust the temperature according to the injection molding conditions, and is beneficial to improving the molding quality and the convenience of molding operations.

[0032] like Figure 6 As shown, an electric telescopic rod 41 is fixedly connected to the side of the clamping mechanism 4, one end of the electric telescopic rod 41 passes through one side of the temperature control mechanism 3, and one end of the electric telescopic rod 41 is connected to a clamping strip 42, and the clamping strip 42 is movably installed on the inner side of the temperature control mechanism 3. By installing the clamping mechanism 4 on the side of the temperature control mechanism 3 and cooperating with the electric telescopic rod 41, the clamping strip 42 is electrically controlled to clamp, which is beneficial for placing the upper mold 1 on the inner side of the temperature control mechanism 3. The clamping force of the clamping strip 42 can maintain the stability of the upper mold 1, thereby ensuring that the upper mold 1 can smoothly realize the injection molding work.

[0033] like Figure 1 - Figure 3 As shown, a lower mold 11 is provided at the bottom of the upper mold 1, a liquid injection port 12 is opened through the top of the upper mold 1, and separation grooves 13 are opened on both sides of the bottom of the upper mold 1 and the top of the lower mold 11. The upper mold 1 can be used for injection molding by cooperating with the lower mold 11, and the liquid injection port 12 can input the injection liquid into the inner side of the upper mold 1 and the lower mold 11 for molding. The separation groove 13 facilitates the separation of the molds after the injection molding is completed.

[0034] like Figure 1 - Figure 3As shown, mold closing guide rods 14 are fixedly installed at the four corners of the top of the lower mold 11, and the tops of the mold closing guide rods 14 are movable and penetrate the top of the upper mold 1. A plurality of heat dissipation holes 15 are evenly opened on the sides of the upper mold 1 and the lower mold 11. The mold closing guide rods 14 can provide a guiding function when closing the mold, so as to improve the accuracy of closing the mold and ensure the quality of injection molding. The heat dissipation holes 15 can provide a certain heat dissipation and cooling function during injection molding.

[0035] like Figure 4 and Figure 5 As shown, a connecting hose 23 is fixedly connected to the top of the spray box 21, and one end of the connecting hose 23 is fixedly connected to a spray pump 24. The side of the spray pump 24 is connected to the side of the temperature control mechanism 3. The connecting hose 23 can provide an effective connection and transportation function, and the spray pump 24 can realize the transportation of the coolant.

[0036] like Figure 5 As shown, two water collection ports 25 are provided through the side of the temperature control mechanism 3, one end of the water collection port 25 is connected to the side of the spray pump 24, and the temperature control mechanism 3 can be connected to the spray pump 24 through the water collection port 25, thereby facilitating the transportation and circulation of the coolant.

[0037] like Figure 1 - Figure 5 As shown, sliding rails 28 are provided on both sides of the bottom of the spray mechanism 2, and the inner side of the sliding rails 28 is movably connected with a support frame 26, and a bottom plate 27 is fixedly installed on the bottom of the support frame 26. The support frame 26 is arranged on one side of the temperature control mechanism 3, and the temperature control mechanism 3 is arranged on the top of the bottom plate 27. Two handles 29 are fixedly installed on the top of the spray mechanism 2. The sliding rails 28 can facilitate the sliding function by cooperating with the slider installed on the top of the support frame 26. The handles 29 can realize the sliding by manually pushing the movement of the spray mechanism 2, and the bottom plate 27 can provide installation and support for the components.

[0038] like Figure 1 - Figure 6 As shown, a circulator 35 is fixedly installed on the side of the temperature control mechanism 3, one end of the temperature control rod 34 passes through the side of the temperature control mechanism 3 and is connected to one side of the circulator 35, and clamping plates 43 are fixedly installed on both ends of the clamping strip 42. A plurality of anti-sliding blocks 44 are evenly distributed on the side of the clamping plate 43. The circulator 35 can circulate the liquid, and the clamping plate 43 cooperates with the anti-sliding block 44 to improve the stability during clamping, which is beneficial to further ensure the effect of stable injection molding.

[0039] In the present invention, when the injection mold for conveniently controlling the flow rate is used, the lower mold 11 is first used to cooperate with the upper mold 1 for injection molding, and the injection port 12 can input the injection liquid into the inner side of the upper mold 1 and the lower mold 11 for molding. The separation groove 13 facilitates the separation of the molds after the injection molding is completed. The mold closing guide rod 14 can provide a guiding effect when closing the mold, so as to improve the accuracy of the mold closing and ensure the quality of the injection molding. The heat dissipation hole 15 can provide a certain heat dissipation and cooling function during injection molding. By placing a flow pump 16 on the top of the upper mold 1, and connecting one end to the injection port 12 on the top of the upper mold 1, an access pipe 17 is provided at the other end of the flow pump 16, and the access pipe 17 is connected to the injected liquid, During injection molding, the flow rate of the injection liquid is controlled by the flow pump 16 to flow into the interior of the upper mold 1 and the lower mold 11, thereby facilitating the effective control of the flow rate during injection molding, so as to achieve a stable adjustment effect when the flow rate is too fast or too slow. The spray mechanism 2 is installed above the upper mold 1, and a spray box 21 is installed on the top of the spray mechanism 2 and connected to the spray pump 24 through a connecting hose 23. The spray pump 24 is installed on the side of the temperature control mechanism 3 and connected to the inner side of the temperature control mechanism 3 through a water collecting port 25. A plurality of spray heads 22 are distributed at the bottom of the spray mechanism 2 and are connected to the bottom of the spray box 21, thereby facilitating the injection molding process by placing coolant on the inner side of the temperature control mechanism 3 and then passing the coolant through the spray pump 24 and the water collecting port 25. The coolant is extracted and transported to the spray box 21 through the connecting hose 23 and evenly distributed, and then the spray head 22 is used to spray evenly on the upper mold 1, which is conducive to achieving a rapid cooling effect during the molding process. The coolant after spraying naturally flows into the inner side of the temperature control mechanism 3 for circulation, which improves the energy saving and efficient cooling effect. The temperature control mechanism 3 is installed at the bottom of the upper mold 1, and a temperature controller 31 is provided on the side of the temperature control mechanism 3, and a refrigerator 32 and a heater 33 are installed on the top. A plurality of temperature control rods 34 are evenly distributed on the inner side of the temperature control mechanism 3, and the bottom of the lower mold 11 is placed on the temperature control rod 34. A circulator 35 is provided on the other side of the temperature control mechanism 3 to communicate with the temperature control rod 34, so that it is convenient to pass through the refrigerator during molding. 32 and the heater 33 cooperate with the temperature controller 31 to cool or heat the internal liquid, and cooperate with the circulator 35 to circulate the liquid inside the temperature control rod 34, which is beneficial to effectively adjust the temperature according to the injection molding situation, which is beneficial to improving the molding quality and the convenience of molding operation. By installing the clamping mechanism 4 on the side of the temperature control mechanism 3 and cooperating with the electric telescopic rod 41 to realize the electric control telescopic clamping of the clamping bar 42, it is beneficial to place the upper mold 1 on the inner side of the temperature control mechanism 3. The clamping force of the clamping bar 42 can maintain the stability of the upper mold 1, thereby ensuring that the upper mold 1 can smoothly realize the injection molding work. The clamping plate 43 cooperates with the anti-sliding block 44 to improve the stability during clamping.This helps to further ensure the effect of stable injection molding.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to 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 should be included in the protection scope of the present invention.

Claims

1. An injection mold for conveniently controlling flow rate, comprising an upper mold, characterized in that: The top of the upper mold is provided with a spray mechanism, the bottom of the upper mold is installed with a temperature control mechanism, the side of the temperature control mechanism is provided with a clamping mechanism, the top of the upper mold is provided with a flow pump, and one end of the flow pump is fixedly connected with an access pipe; A spray box is arranged on the top of the spray mechanism, a plurality of straight pipes are evenly distributed on the bottom of the spray box and penetrate the bottom of the spray mechanism, a spray head is fixedly connected to the bottom of the straight pipe, the spray heads are evenly distributed on the bottom of the spray mechanism, and the spray heads are all arranged above the upper mold; A temperature controller is arranged on one side of the temperature control mechanism, a refrigerator is installed on the top of the temperature controller, a heater is installed on the top of the temperature controller, and the heater is arranged on the side of the refrigerator. A plurality of temperature control rods are evenly distributed on the inner side of the temperature control mechanism, and one end of the temperature control rod passes through the side of the temperature control mechanism and is connected to the side of the temperature controller.

2. The injection mold for convenient flow rate control according to claim 1, characterized in that: An electric telescopic rod is fixedly connected to the side of the clamping mechanism, one end of the electric telescopic rod passes through one side of the temperature control mechanism, one end of the electric telescopic rod is connected to a clamping strip, and the clamping strip is movably installed on the inner side of the temperature control mechanism.

3. The injection mold for convenient flow rate control according to claim 1, characterized in that: The bottom of the upper mold is provided with a lower mold, the top of the upper mold is penetrated with a liquid injection port, and the bottom of the upper mold and both sides of the top of the lower mold are provided with separation grooves.

4. The injection mold for convenient flow rate control according to claim 3, characterized in that: The four corners of the top of the lower mold are fixedly installed with mold closing guide rods, and the tops of the mold closing guide rods are movably penetrated through the top of the upper mold. The sides of the upper mold and the lower mold are evenly provided with a plurality of heat dissipation holes.

5. The injection mold for convenient flow rate control according to claim 1, characterized in that: The top of the spray box is fixedly connected with a connecting hose, one end of the connecting hose is fixedly connected with a spray pump, and the side of the spray pump is connected to the side of the temperature control mechanism.

6. The injection mold for convenient flow rate control according to claim 1, characterized in that: Two water collecting ports are formed through the side surface of the temperature control mechanism, and one end of the water collecting port is connected with the side surface of the spray pump.

7. The injection mold for convenient flow rate control according to claim 1, characterized in that: Sliding tracks are arranged on both sides of the bottom of the spray mechanism, a support frame is movably connected to the inner side of the sliding track, a bottom plate is fixedly installed at the bottom of the support frame, the support frame is arranged on one side of the temperature control mechanism, the temperature control mechanism is arranged on the top of the bottom plate, and two handles are fixedly installed on the top of the spray mechanism.

8. The injection mold for convenient flow rate control according to claim 2, characterized in that: A circulator is fixedly installed on the side of the temperature control mechanism, one end of the temperature control rod passes through the side of the temperature control mechanism and is connected to one side of the circulator, clamping plates are fixedly installed on both ends of the clamping strip, and multiple anti-sliding blocks are evenly distributed on the side of the clamping plate.

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