Automobile engine valve chamber cover forming equipment

Abstract

The invention discloses automobile engine valve chamber cover forming equipment which comprises a frame body, a mold assembly, an injection molding assembly and a heat circulation mechanism. A die driving assembly is installed on the frame body, and the output end of the die driving assembly and the die assembly are installed. An injection molding head of the injection molding assembly is connected with the mold assembly, a material storage barrel is arranged at the material input end of the injection molding assembly, and the outer ring of the material storage barrel is sleeved with a preheating barrel; the heat circulation mechanism comprises a heat exchange chamber, a heat control chamber and outer cooling fins installed on the outer wall of the heat exchange chamber, and a heat reverse pushing strip is installed between the movable heat exchange block and the first heat exchange head. When the mold assembly is cooled, raw materials in the material storage barrel can be dried through the high temperature in the initial stage, heat transfer with the first heat exchange head is relieved when the temperature is gradually reduced, utilization of the temperatures of the mold assembly in different stages is achieved, the raw material drying effect is improved, and heat loss is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of injection molding, and particularly relates to a forming device for an automobile engine valve cover. Background Art

[0002] The cylinder head cover is usually called the valve cover. Its function is to seal components such as the valve train to prevent dust from contaminating the engine oil or entering, and to accelerate the wear of the components of the valve train. Most of the engine covers play a role in dust prevention and waterproofing, and the engine cover is formed by injection molding. In injection molding, first, the controller starts the cooperation of the hydraulic cylinder and the hydraulic rod to move the moving mold and the fixed mold. Then, the moving mold and the fixed mold are assembled. Then, injection molding is carried out into the combined cavity of the moving mold and the fixed mold through the injection port. After cooling is completed, the controller starts the cooperation of the hydraulic cylinder and the hydraulic rod to separate the moving mold and the fixed mold and remove the formed part. In order to improve product quality and injection efficiency, the plastic raw material used in injection molding needs to be preheated to reduce the moisture in the raw material, which is convenient for the injection molding equipment to better melt the plastic raw material.

[0003] In the prior art, a Chinese patent with the publication number CN117484806B discloses a forming device for an automobile engine valve cover, which includes a frame and a receiving plate fixedly installed inside the frame. Above the receiving plate, there is a moving mold, and inside the receiving plate, there is a static mold. The moving mold and the static mold are pressed together to form a whole mold for injection molding the valve cover. It integrates injection molding, jacking and discharging, pushing and moving, and shearing and finishing to realize the production and manufacturing of the automobile engine valve cover. During the injection molding production process, the plastic raw material needs to be preheated and insulated through a heating component, and the injection molded product needs to be cooled through a cooling component, resulting in high energy consumption of the injection molding equipment. In the prior art, a Chinese patent with the publication number CN109664461A discloses an energy-saving injection molding machine with heat recovery and utilization, which includes an injection molding machine mounting seat. A spiral feeding device is connected to the injection molding machine mounting seat, a storage barrel matching the spiral feeding device is connected to the injection molding machine mounting seat, an injection molding head is connected to the spiral feeding device, and a circulating water tank for cooling the injection molding head is connected inside the injection molding machine mounting seat. It stores the heat in the mold through the setting of the circulating water tank, and then transfers the heat in the circulating water tank to the storage barrel to preheat the plastic raw material, realizing the recycling of the heat of the injection molding machine.

[0004] When the above method is implemented, the heat in the mold is relatively large during the injection molding of the product, which can heat the liquid in the circulating water tank and effectively dry the raw material in the storage barrel. However, when the heat in the mold gradually decreases, the heat in the circulating water tank will decrease, and the heat in the circulating water tank will be lost reversely through the circulating water pipe, thus affecting its drying effect on the raw material in the storage barrel during use and affecting the quality of the injection molded product. Summary of the Invention

[0005] Based on this, it is necessary to provide a forming device for an automobile engine valve cover to solve the above technical problems. When cooling the mold assembly, the raw materials in the storage barrel can be dried by using the high temperature in the initial stage, and when the temperature gradually decreases, the heat transfer with the first heat exchanger head is released, so as to realize the utilization of the temperature of the mold assembly in different stages, improve the drying effect of the raw materials, and reduce the heat loss.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A forming device for an automobile engine valve cover, which includes: A frame; A mold assembly, a mold driving assembly is installed on the frame, the output end of the mold driving assembly is installed with the mold assembly for controlling the opening and closing of the mold assembly, and a cooling water circuit on the mold assembly is externally connected with a cooling circulation pipe, and a cooling pump is installed in the middle of the cooling circulation pipe; An injection molding assembly, the injection molding head of the injection molding assembly is connected with the mold assembly, a storage barrel is arranged at the material input end of the injection molding assembly, a first temperature sensor is installed in the storage barrel, a preheating cylinder is sleeved outside the storage barrel, the preheating cylinder is externally connected with a preheating circulation pipe, and a preheating pump is installed in the middle of the preheating circulation pipe; A heat circulation mechanism, the heat circulation mechanism includes a heat exchange chamber, a heat control chamber and external heat dissipation fins installed on the outer wall of the heat exchange chamber. The two ends of the heat exchange chamber are respectively embedded and installed with a first heat exchanger head connected to the end of the cooling circulation pipe and a second heat exchanger head connected to the end of the preheating circulation pipe. A movable heat exchange block inserted into the first heat exchanger head is horizontally slidably connected in the inner cavity of the heat exchange chamber. A heat reverse push bar is installed between the movable heat exchange block and the first heat exchanger head. The heat reverse push bar will elongate when heated and push the heat reverse push bar away from the first heat exchanger head. A first heat exchange fin extending to the inner wall of the heat exchange chamber is installed in the inner cavity of the heat control chamber. A heat conduction block extending to the inner wall of the heat exchange chamber is fixed on the external heat dissipation fins. The movable heat exchange block moves between the heat conduction block and the first heat exchange fin. A second heat exchange fin extending to the inner wall of the heat exchange chamber is installed in the inner cavity of the heat control chamber. The side wall of the second heat exchange fin extends into the inner cavity of the second heat exchanger head. The inner cavity of the heat control chamber is filled with a heat conduction solution.

[0007] As a preferred implementation manner of the forming device for an automobile engine valve cover provided by the present invention, heat conduction solutions are filled in both the cooling circulation pipe and the preheating circulation pipe. The cooling pump is used to control the circulation of the heat conduction solution in the cooling circulation pipe, and the preheating pump is used to control the circulation of the heat conduction solution in the preheating circulation pipe.

[0008] As a preferred embodiment of the automotive engine valve cover forming device provided by the present invention, the heat conducting block and the first heat exchange fin are arranged in a staggered manner. Both the heat conducting block and the first heat exchange fin correspond to the outer wall of the movable heat exchange block. The movable heat exchange block is inserted into the first heat exchange head through a heat conducting rod.

[0009] As a preferred embodiment of the automotive engine valve cover forming device provided by the present invention, the inner cavity of the heat control chamber is separated by a partition to form a liquid storage chamber and a heat exchange chamber. The first heat exchange fin and the second heat exchange fin correspond to the heat exchange chamber. An activity plate is arranged in the middle of the heat exchange chamber between the first heat exchange fin and the second heat exchange fin. A transfer pump is installed on the activity plate. A one-way valve one is installed at one end of the partition close to the first heat exchange fin for enabling the heat conducting solution to flow unidirectionally from the heat exchange chamber to the liquid storage chamber. A one-way valve two is installed on the partition close to the second heat exchange fin for enabling the heat conducting solution to flow unidirectionally from the liquid storage chamber to the heat exchange chamber. A heating component and a temperature sensor two are installed on one side of the heat exchange chamber close to the second heat exchange fin. A pressure sensor is installed at the corresponding position of one side of the first heat exchange fin and the movable heat exchange block.

[0010] As a preferred embodiment of the automotive engine valve cover forming device provided by the present invention, a heat quantity intelligent controller is installed on the heat exchange chamber. The heat quantity intelligent controller is provided with a heat quantity circulation module, a temperature analysis module, and a temperature regulation module. The heat quantity circulation module is respectively in signal connection with the temperature analysis module, the cooling pump, and the preheating pump. The temperature analysis module is respectively in signal connection with the temperature regulation module, the temperature sensor one, the temperature sensor two, and the pressure sensor. The temperature regulation module is respectively in signal connection with the transfer pump and the heating component.

[0011] As a preferred embodiment of the automotive engine valve cover forming device provided by the present invention, a limiting block corresponding to the activity plate is installed between the first heat exchange fin and the second heat exchange fin in the heat exchange chamber. A reset elastic member is installed between one side of the activity plate close to the second heat exchange fin and the end of the heat exchange chamber.

[0012] As a preferred embodiment of the automotive engine valve cover forming device provided by the present invention, a distance sensor is installed on one side of the heat exchange chamber close to the first heat exchange fin. The distance sensor is in signal connection with the temperature analysis module.

[0013] As a preferred embodiment of the automotive engine valve cover forming device provided by the present invention, both the activity plate and the partition are made of insulating materials, and both the movable heat exchange block, the first heat exchange fin, and the second heat exchange fin are made of heat conducting materials.

[0014] As a preferred embodiment of the automotive engine valve cover forming device provided by the present invention, the thermal reverse push bar is made of an elastic material, and a medium that deforms when heated is provided inside it.

[0015] As a preferred embodiment of the automotive engine valve cover forming device provided by the present invention, at one end of the heat exchange fin I and the heat exchange fin II close to the heat exchange cavity, an outward convex tooth-shaped structure is provided, and the outward convex tooth-shaped structure extends into the inner cavity of the heat exchange cavity.

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

[0017] 1. For the automotive engine valve cover forming device provided by the present invention, when it is necessary to cool the mold assembly, the cooling pump works to introduce the heat of the mold assembly to the first heat exchange head. The temperature of the first heat exchange head rises, causing the thermal reverse push bar to expand and elongate when heated, and pushing the movable heat exchange block forward to contact the first heat exchange fin. At this time, the heat of the first heat exchange head is conducted to the inner cavity of the heat control chamber through the movable heat exchange block and the first heat exchange fin, heating the heat-conducting solution in the inner cavity of the heat control chamber. The high-temperature heat-conducting solution heats the second heat exchange fin, and the raw materials in the storage barrel are dried through the preheating cylinder. As the cooling time increases, the temperature of the mold assembly gradually decreases, and the thermal reverse push bar will gradually contract, driving the movable heat exchange block to reset and separate from the first heat exchange fin, so that the heat of the heat-conducting solution is not easily lost reversely through the cooling circulation pipe. At the same time, after the movable heat exchange block resets, it contacts the heat-conducting block, and the remaining heat on the mold assembly is transferred to the external heat dissipation fins through the heat-conducting block, and the heat is dissipated through the external heat dissipation fins, thereby continuously dissipating the temperature of the mold assembly. Therefore, when cooling the mold assembly, the high temperature in the initial stage can be used to dry the raw materials in the storage barrel, and when the temperature gradually decreases, the heat transfer with the first heat exchange head is released, realizing the utilization of the temperature of the mold assembly at different stages, improving the drying effect of the raw materials, and reducing heat loss.

[0018] 2. For an automotive engine valve cover forming device provided by the present invention, when cooling is required after product forming, the heat circulation module controls the cooling pump to work, circulating and transferring the heat in the mold assembly to the first heat exchanger head to cool the mold assembly. At this time, the temperature of the first heat exchanger head rises and causes the thermal reverse push bar to elongate. The thermal reverse push bar pushes the movable heat exchanger block into contact with the first heat exchange fin, enabling heat to be transferred to the heat exchange cavity through the movable heat exchanger block and the first heat exchange fin. The temperature analysis module sends a control signal to the heat circulation module to transfer the heat at the first heat exchange fin to the second heat exchange fin, and prevent the heat at the second heat exchange fin from flowing reversely to the first heat exchange fin, improving the utilization rate of heat. The temperature analysis module determines that the movable heat exchanger block is disengaged from the first heat exchange fin through the pressure signal fed back by the pressure sensor, that is, the mold assembly no longer heats the heat-conducting solution in the heat exchange cavity. At this time, the temperature analysis module sends a self-drying signal to the temperature control module, and the temperature control module controls the heating component to work to heat the heat-conducting solution at the second heat exchange fin, realizing the active control of the heat-conducting solution to rise in temperature and dry. Thus, the drying mode is adjusted according to the temperature state of the mold assembly. When dissipating heat from the mold assembly, the temperature state of the mold assembly is automatically judged to synchronously adjust the drying mode of the raw material, and the heat in the heat-conducting solution is not easily lost reversely through the cooling circulation pipe, thereby improving the heat utilization rate of the heat-conducting solution in the heat control chamber, realizing automatic and intelligent heat energy recovery, and saving energy.

[0019] 3. For an automotive engine valve cover forming device provided by the present invention, the temperature control module controls the transfer pump to work. The transfer pump works to transfer the heat-conducting solution on one side of the movable plate to the other side. The movable plate will gradually move towards the side of the first heat exchange fin until the heated heat-conducting solution on the side of the first heat exchange fin is transferred to the other side. Under the action of the reset elastic member, the movable plate is pulled back to its original position, thereby squeezing the heated heat-conducting solution to the second heat exchange fin. During this process, the heat-conducting solution on the higher-temperature side of the movable plate can be better transferred to the side of the second heat exchange fin, and the residue of the heated heat-conducting solution is reduced, improving the utilization rate of heat. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure provided by the present invention; Figure 2 It is a schematic diagram of the frame and mold assembly structure provided by the present invention; Figure 3 It is a schematic diagram of the injection molding assembly and heat circulation mechanism provided by the present invention; Figure 4 Schematic diagram of the internal structure of the heat circulation mechanism provided by the present invention; Figure 5 Control principle block diagram of the heat intelligent controller provided by the present invention; Figure 6 Schematic diagram of the heat circulation mechanism structure after the displacement of the movable heat exchange block provided by the present invention; Figure 7 Schematic diagram of the heat circulation mechanism structure after the displacement of the movable plate provided by the present invention.

[0022] The markings in the figure are explained as follows: 1. Frame; 2. Mold assembly; 3. Injection molding assembly; 4. Mold drive assembly; 5. Storage barrel; 6. Cooling circulation pipe; 7. Preheating cylinder; 8. Cooling pump; 9. Preheating pump; 10. Heat circulation mechanism; 11. Preheating circulation pipe; 12. Temperature sensor I; 13. Heat intelligent controller; 14. External heat dissipation fins; 15. Thermal control chamber; 16. Heat exchange chamber; 17. Movable heat exchange block; 18. Heat conduction block; 19. Heat exchange fin I; 20. Partition board; 21. Liquid storage cavity; 22. Heat exchange cavity; 23. Heat exchange head I; 24. Heat exchange head II; 25. Heat exchange fin II; 26. Movable plate; 27. Thermal reverse push bar; 28. Transfer pump; 29. Check valve I; 30. Check valve II; 31. Distance sensor; 32. Temperature sensor; 33. Heating component; 34. Pressure sensor. Detailed implementation manners

[0023] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0024] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments and the features and technical solutions in the embodiments of the present invention can be combined with each other.

[0025] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0026] Embodiment 1

[0027] Please refer to Figures 1 - 3, An automotive engine valve cover forming device, comprising a frame 1, a mold assembly 2, an injection molding assembly 3, and a heat circulation mechanism 10; a mold driving assembly 4 is installed on the frame 1, and the output end of the mold driving assembly 4 is installed with the mold assembly 2 for controlling the opening and closing of the mold assembly 2. The cooling water circuit on the mold assembly 2 is externally connected to a cooling circulation pipe 6, and a cooling pump 8 is installed in the middle of the cooling circulation pipe 6. By driving the moving mold on the mold assembly 2 by the mold driving assembly 4 to move, controlling its opening and closing with the fixed mold, the cooling pump 8 drives the cooling water circuit in the cooling circulation pipe 6 to move to cool the injection molded product and the mold. The injection head of the injection molding assembly 3 is connected to the mold assembly 2, and a storage barrel 5 is provided at the material input end of the injection molding assembly 3. A temperature sensor 12 is installed in the storage barrel 5, and the temperature sensor 12 can detect the temperature of the raw material in the storage barrel 5, facilitating the judgment of whether the raw material temperature reaches the production requirement. The outer ring of the storage barrel 5 is sleeved with a preheating cylinder 7, and the preheating cylinder 7 is externally connected to a preheating circulation pipe 11. A preheating pump 9 is installed in the middle of the preheating circulation pipe 11. The raw material enters the injection molding assembly 3 through the storage barrel 5, is melted and then injected into the mold assembly 2 for injection molding. By heating the preheating cylinder 7, the raw material in the storage barrel 5 is dried to reduce the moisture content of the raw material. The preheating pump 9 works to drive the heat-conducting liquid inside the preheating circulation pipe 11 to circulate and enter the preheating cylinder 7 to heat the preheating cylinder 7.

[0028] It is worth mentioning that, please refer to Figure 4 and Figure 6, the heat circulation mechanism 10 includes a heat exchange chamber 16, a heat control chamber 15, and external heat dissipation fins 14 installed on the outer wall of the heat exchange chamber 16. At both ends of the heat exchange chamber 16, a first heat exchange head 23 connected to the end of the cooling circulation pipe 6 and a second heat exchange head 24 connected to the end of the preheating circulation pipe 11 are respectively embedded. A movable heat exchange block 17 inserted into the first heat exchange head 23 is horizontally slidably connected in the inner cavity of the heat exchange chamber 16. A heat reverse push bar 27 is installed between the movable heat exchange block 17 and the first heat exchange head 23. The heat reverse push bar 27 will elongate when heated and push the movable heat exchange block 17 away from the first heat exchange head 23. A first heat exchange fin 19 extending to the inner wall of the heat exchange chamber 16 is installed in the inner cavity of the heat control chamber 15. A heat conduction block 18 extending to the inner wall of the heat exchange chamber 16 is fixed on the external heat dissipation fins 14. The movable heat exchange block 17 moves between the heat conduction block 18 and the first heat exchange fin 19. A second heat exchange fin 25 extending to the inner wall of the heat exchange chamber 16 is installed in the inner cavity of the heat control chamber 15. The side wall of the second heat exchange fin 25 extends into the inner cavity of the second heat exchange head 24. The inner cavity of the heat control chamber 15 is filled with a heat conduction solution. When it is necessary to cool the mold assembly 2, the cooling pump 8 works to conduct the heat of the mold assembly 2 to the first heat exchange head 23. The temperature of the first heat exchange head 23 rises, causing the heat reverse push bar 27 to elongate when heated and push the movable heat exchange block 17 forward to contact the first heat exchange fin 19. At this time, the heat of the first heat exchange head 23 is conducted to the inner cavity of the heat control chamber 15 through the movable heat exchange block 17 and the first heat exchange fin 19, heating the heat conduction solution in the inner cavity of the heat control chamber 15. The high-temperature heat conduction solution heats the second heat exchange fin 25. The preheating pump 9 works to conduct the heat to the preheating cylinder 7 to dry the raw materials in the storage barrel 5. As the cooling time increases, the temperature of the mold assembly 2 gradually decreases. At this time, by heating the heat conduction solution in the heat control chamber 15, a continuous and good drying effect on the preheating cylinder 7 can be achieved. As the temperature of the mold assembly 2 gradually decreases, it will synchronously cause the temperature of the cooling circulation pipe 6 and the first heat exchange head 23 to decrease. At this time, the heat reverse push bar 27 will gradually contract and drive the movable heat exchange block 17 to reset. After the movable heat exchange block 17 resets, it disengages from the first heat exchange fin 19, preventing the heat of the heat conduction solution from flowing back through the cooling circulation pipe 6. At the same time, after the movable heat exchange block 17 resets, it contacts the heat conduction block 18, and the remaining heat on the mold assembly 2 is transferred to the external heat dissipation fins 14 through the heat conduction block 18, and the heat is dissipated through the external heat dissipation fins 14, thereby continuously cooling the mold assembly 2. Therefore, when cooling the mold assembly 2, the high temperature in the initial stage can be used to dry the raw materials in the storage barrel 5, and when the temperature gradually decreases, the heat transfer with the first heat exchange head 23 is released, realizing the utilization of different stage temperatures of the mold assembly 2, improving the drying effect of the raw materials, and reducing heat loss.

[0029] Among them, the thermal reverse push bar 27 is made of an elastic material, and a medium that deforms when heated is arranged inside it. The medium is preferably a material with a relatively large coefficient of thermal expansion such as synthetic rubber, polyurethane, silica gel, or thermoplastic, which can expand in volume when heated, driving the thermal reverse push bar 27 to produce an elongation deformation effect.

[0030] In this embodiment, both the cooling circulation pipe 6 and the preheating circulation pipe 11 are filled with a heat-conducting solution. The cooling pump 8 is used to control the circulation of the heat-conducting solution in the cooling circulation pipe 6, and the preheating pump 9 is used to control the circulation of the heat-conducting solution in the preheating circulation pipe 11, which can better transfer heat to different positions through the heat-conducting solution and improve the heat transfer efficiency. The heat-conducting block 18 and the first heat exchange fin 19 are arranged in a staggered manner. Both the heat-conducting block 18 and the first heat exchange fin 19 correspond to the outer wall of the movable heat exchange block 17. The movable heat exchange block 17 is inserted into the heat exchange head 23 through a heat-conducting rod. The movable heat exchange block 17 moves between the heat-conducting block 18 and the first heat exchange fin 19, and when it contacts the heat-conducting block 18, it is in a non-contact state with the first heat exchange fin 19, thereby preventing the heat of the heat-conducting solution in the thermal control chamber 15 from being dissipated through the movable heat exchange block 17, and thus improving the heat utilization rate of the heat-conducting solution in the thermal control chamber 15.

[0031] It is worth mentioning that please refer to Figures 4 - 7, the inner cavity of the thermal control chamber 15 is separated by a partition 20 to form a liquid storage cavity 21 and a heat exchange cavity 22. The first heat exchange fins 19 and the second heat exchange fins 25 correspond to the heat exchange cavity 22, separating the inner cavity of the thermal control chamber 15 into the liquid storage cavity 21 and the heat exchange cavity 22. The liquid storage cavity 21 is used to store the unheated heat-conducting solution, and the heat exchange cavity 22 is used to store the heat-conducting solution for heat exchange, facilitating the alternating conversion of the heat-conducting solution in different spaces, thereby transferring heat to different positions and facilitating the control of the circulation of the heat-conducting solution. A movable plate 26 is arranged between the first heat exchange fins 19 and the second heat exchange fins 25 in the middle of the heat exchange cavity 22. A transfer pump 28 is installed on the movable plate 26. By the operation of the transfer pump 28, the solution on the side of the movable plate 26 close to the first heat exchange fins 19 is transferred to the side of the second heat exchange fins 25. One-way valve one 29 is installed at one end of the partition 20 close to the first heat exchange fins 19, for making the heat-conducting solution flow unidirectionally from the heat exchange cavity 22 to the liquid storage cavity 21. One-way valve two 30 is installed at one end of the partition 20 close to the second heat exchange fins 25, for making the heat-conducting solution flow unidirectionally from the liquid storage cavity 21 to the heat exchange cavity 22, so that the heat-conducting solution in the heat exchange cavity 22 enters the liquid storage cavity 21 through the one-way valve two 30, and the heat-conducting solution in the liquid storage cavity 21 enters the heat exchange cavity 22 through the one-way valve one 29, and in cooperation with the operation of the transfer pump 28, controls the circulation of the heat-conducting solution, gradually transferring the heated heat-conducting solution to the second heat exchange fins 25. A heating component 33 and a second temperature sensor 32 are installed on one side of the heat exchange cavity 22 close to the second heat exchange fins 25. The heating component 33 assists in heating the heat-conducting solution. The heating component 33 is a common heating device in the prior art and is used to heat the heat-conducting solution, thereby improving the drying effect of the raw materials. A pressure sensor 34 is installed at the corresponding position of one side of the first heat exchange fins 19 and the movable heat exchange block 17.

[0032] In addition, a heat intelligent controller 13 is installed on the heat exchange chamber 16. A heat circulation module, a temperature analysis module, and a temperature regulation module are provided on the heat intelligent controller 13. The heat circulation module is respectively connected to the temperature analysis module, the cooling pump 8, and the preheating pump 9 by signals. The temperature analysis module is respectively connected to the temperature regulation module, the first temperature sensor 12, the second temperature sensor 32, and the pressure sensor 34 by signals. The temperature regulation module is respectively connected to the transfer pump 28 and the heating component 33 by signals. When cooling is required after the product is formed, the heat circulation module controls the cooling pump 8 to work, circulating and transferring the heat in the mold assembly 2 to the first heat exchange head 23 to cool the mold assembly 2. At this time, the temperature of the first heat exchange head 23 rises and causes the thermal reverse push bar 27 to elongate. The thermal reverse push bar 27 pushes the movable heat exchange block 17 into contact with the first heat exchange fin 19, enabling the heat to be transferred to the heat exchange cavity 22 through the movable heat exchange block 17 and the first heat exchange fin 19. When the movable heat exchange block 17 moves to the position of the first heat exchange fin 19, it abuts against the pressure sensor 34. The pressure sensor 34 receives the pressure data and sends it to the temperature analysis module. The temperature analysis module determines that the movable heat exchange block 17 has moved into contact with the first heat exchange fin 19, and the heat in the mold assembly 2 is being transferred to the heat exchange cavity 22. At this time, the temperature analysis module sends a control signal to the heat circulation module. The heat circulation module controls the preheating pump 9 to work, transferring the heat in the heat exchange cavity 22 to the preheating cylinder 7 to dry the raw materials in the storage barrel 5. The temperature regulation module controls the transfer pump 28 to work. The transfer pump 28 controls the flow of the heat-conducting solution, enabling the heat at the first heat exchange fin 19 to be transferred to the second heat exchange fin 25 and preventing the heat at the second heat exchange fin 25 from flowing back to the first heat exchange fin 19, improving the utilization rate of the heat. When the temperature of the mold assembly 2 gradually decreases, the thermal reverse push bar 27 contracts, driving the movable heat exchange block 17 to reset and contact the heat-conducting block 18, using the external heat dissipation fins 14 to cool the mold assembly 2. At this time, the temperature analysis module determines that the movable heat exchange block 17 has disengaged from the first heat exchange fin 19 through the pressure signal feedback by the pressure sensor 34, that is, the mold assembly 2 no longer heats the heat-conducting solution in the heat exchange cavity 22. At this time, the temperature analysis module sends a self-drying signal to the temperature regulation module. The temperature regulation module controls the heating component 33 to work to heat the heat-conducting solution at the second heat exchange fin 25, realizing the active control of the heating of the heat-conducting solution for drying, thereby adjusting the drying mode according to the temperature state of the mold assembly 2. The temperature analysis module sends a control signal to the temperature regulation module through the temperature data feedback by the first temperature sensor 12 and the second temperature sensor 32 to control the heating state of the heating component 33. For example, when it is determined through the first temperature sensor 12 that the temperature of the raw materials reaches the temperature threshold, the output power of the heating component 33 will be synchronously controlled to decrease, and it is determined through the second temperature sensor 32 whether the temperature data of the heat-conducting solution reaches the preset value (the normal temperature of the heat-conducting solution during the drying of the raw materials is preset in the temperature analysis module). When dissipating heat from the mold assembly 2, the temperature state of the mold assembly 2 is automatically judged to synchronously adjust the drying mode of the raw materials.Moreover, it makes the heat in the heat-conducting solution not easily flow back through the cooling circulation pipe 6, thereby improving the heat utilization rate of the heat-conducting solution in the heat control chamber 15, realizing automatic and intelligent heat energy recovery, and saving energy.

[0033] Preferably, please refer to Figure 4 , at one end of the heat exchange fin one 19 and the heat exchange fin two 25 close to the heat exchange cavity 22, an outward convex tooth-like structure is arranged, and the outward convex tooth-like structure extends into the inner cavity of the heat exchange cavity 22, which can enable the heat-conducting solution in the heat exchange cavity 22 to better exchange heat with the heat exchange fin one 19 and the heat exchange fin two 25.

[0034] Embodiment 2

[0035] A further optimization is made to an automotive engine valve cover forming device provided in Embodiment 1. Different from Embodiment 1, as Figures 4 - 7 shown, a limiting block corresponding to the movable plate 26 is installed between the heat exchange fin one 19 and the heat exchange fin two 25 in the heat exchange cavity 22. A reset elastic member is installed between the side of the movable plate 26 close to the heat exchange fin two 25 and the end of the heat exchange cavity 22. The limiting block can make the movable plate 26 in the initial state between the heat exchange fin one 19 and the heat exchange fin two 25, and pull the movable plate 26 to closely adhere to the limiting block through the reset elastic member to limit the position of the movable plate 26.

[0036] It is worth mentioning that a distance sensor 31 is installed on one side of the heat exchange cavity 22 close to the heat exchange fin one 19. The distance sensor 31 is signal-connected to the temperature analysis module. When the heat of the mold assembly 2 is conducted to the heat-conducting solution on one side of the movable plate 26 through the heat exchange fin one 19, in order to make the heated heat-conducting solution more comprehensively transported to the other side of the movable plate 26, the temperature control module controls the transfer pump 28 to work. The transfer pump 28 works to transfer the heat-conducting solution on one side of the movable plate 26 to the other side. As Figure 7 shown, the movable plate 26 will gradually move towards the heat exchange fin one 19 side until the heated heat-conducting solution on the heat exchange fin one 19 side is transported to the other side. At this time, the movable plate 26 contacts the distance sensor 31. The distance sensor 31 sends the distance data to the temperature analysis module. The temperature analysis module judges that the movable plate 26 has moved to the preset position. The temperature analysis module sends a control signal to the temperature control module. The temperature control module controls the transfer pump 28 to stop working. At the same time, under the action of the reset elastic member, the movable plate 26 is pulled back to its original position, thereby squeezing the heated heat-conducting solution to the heat exchange fin two 25. During this process, the relatively low-temperature heat-conducting solution originally at the heat exchange fin two 25 will enter the liquid storage cavity 21 through the check valve two 30, controlling the cyclic movement of the heat-conducting solution. During this process, the heat-conducting solution on the higher-temperature side of the movable plate 26 can be better transported to the heat exchange fin two 25 side, and the residual situation of the heated heat-conducting solution is reduced, improving the heat utilization rate.

[0037] In the present invention, unless otherwise clearly specified or limited, terms such as "installed", "connected", "linked", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] Obviously, the above-described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. The preferred embodiments of the present invention are given in the drawings, but do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing specific embodiments, or perform equivalent replacements for some of the technical features. Any equivalent structure directly or indirectly using the content of the specification and drawings of the present invention in other related technical fields is similarly within the scope of the patent protection of the present invention.

Claims

1. An automobile engine valve cover forming device, characterized in that: It includes: Frame (1); A mold assembly (2), wherein a mold drive assembly (4) is mounted on the frame (1), an output end of the mold drive assembly (4) is mounted on the mold assembly (2) and is used to control the opening and closing of the mold assembly (2), a cooling water channel on the mold assembly (2) is externally connected to a cooling circulation pipe (6), and a cooling pump (8) is mounted in the middle of the cooling circulation pipe (6); An injection molding component (3), wherein an injection head of the injection molding component (3) is connected to a mold component (2), a material storage barrel (5) is provided at a material input end of the injection molding component (3), a temperature sensor (12) is installed in the material storage barrel (5), a preheating barrel (7) is provided on an outer ring sleeve of the material storage barrel (5), a preheating circulation pipe (11) is externally connected to the preheating circulation pipe (11), and a preheating pump (9) is installed in the middle of the preheating circulation pipe (11); A heat circulation mechanism (10), the heat circulation mechanism (10) comprising a heat exchange chamber (16), a heat control chamber (15) and an external heat dissipating fin (14) installed on the outer wall of the heat exchange chamber (16), the two ends of the heat exchange chamber (16) are respectively embedded with a heat exchange head 1 (23) connected to the end of the cooling circulation pipe (6) and a heat exchange head 2 (24) connected to the end of the preheating circulation pipe (11), the inner cavity of the heat exchange chamber (16) is laterally slidably connected with a movable heat exchange block (17) plugged into the heat exchange head 1 (23), a heat reverse thrust strip (27) is installed between the movable heat exchange block (17) and the heat exchange head 1 (23), and the heat reverse thrust strip (27) is After that, it will stretch and push the heat push back strip (27) away from the heat exchange head one (23). The inner cavity of the thermal control chamber (15) is equipped with a heat exchange wing one (19) extending to the inner wall of the heat exchange chamber (16). The external heat exchange wing (14) is fixed with a heat conductive block (18) extending to the inner wall of the heat exchange chamber (16). The movable heat exchange block (17) moves between the heat conductive block (18) and the heat exchange wing one (19). The inner cavity of the thermal control chamber (15) is equipped with a heat exchange wing two (25) extending to the inner wall of the heat exchange chamber (16). The side wall of the heat exchange wing two (25) extends to the inner cavity of the heat exchange head two (24). The inner cavity of the thermal control chamber (15) is filled with a heat conductive solution.

2. The automobile engine valve cover molding equipment according to claim 1, characterized in that: The cooling circulation pipe (6) and the preheating circulation pipe (11) are both filled with a heat-conducting solution. The cooling pump (8) is used to control the circulation of the heat-conducting solution in the cooling circulation pipe (6), and the preheating pump (9) is used to control the circulation of the heat-conducting solution in the preheating circulation pipe (11).

3. The automobile engine valve cover molding equipment according to claim 1, characterized in that: The heat-conducting block (18) and the heat-exchanging wing one (19) are arranged in a staggered manner. The heat-conducting block (18) and the heat-exchanging wing one (19) both correspond to the outer wall of the movable heat-exchanging block (17). The movable heat-exchanging block (17) is plugged into the heat-exchanging head one (23) via a heat-conducting rod.

4. The automobile engine valve cover molding equipment according to claim 1, characterized in that: The inner cavity of the thermal control chamber (15) is divided into a liquid storage cavity (21) and a heat exchange cavity (22) by a partition (20); the heat exchange wing 1 (19) and the heat exchange wing 2 (25) correspond to the heat exchange cavity (22); a movable plate (26) is provided in the middle of the heat exchange cavity (22) between the heat exchange wing 1 (19) and the heat exchange wing 2 (25); a transfer pump (28) is installed on the movable plate (26); a one-way valve 1 (29) is installed at one end of the partition (20) close to the heat exchange wing 1 (19) for The heat-conducting solution is made to flow unidirectionally from the heat exchange chamber (22) to the liquid storage chamber (21); a one-way valve (30) is installed at one end of the partition plate (20) close to the second heat exchange wing (25) for making the heat-conducting solution flow unidirectionally from the liquid storage chamber (21) to the heat exchange chamber (22); a heating component (33) and a second temperature sensor (32) are installed on one side of the heat exchange chamber (22) close to the second heat exchange wing (25); and a pressure sensor (34) is installed on one side of the first heat exchange wing (19) at a position corresponding to the movable heat exchange block (17).

5. The automobile engine valve cover molding equipment according to claim 4, characterized in that: The heat exchange chamber (16) is equipped with a heat intelligent controller (13), and the heat intelligent controller (13) is provided with a heat circulation module, a temperature analysis module and a temperature control module. The heat circulation module is respectively connected to the temperature analysis module, the cooling pump (8) and the preheating pump (9) by signals, the temperature analysis module is respectively connected to the temperature control module, the temperature sensor 1 (12), the temperature sensor 2 (32) and the pressure sensor (34) by signals, and the temperature control module is respectively connected to the transfer pump (28) and the heating component (33) by signals.

6. The automobile engine valve cover molding equipment according to claim 5, characterized in that: A limit block corresponding to the movable plate (26) is installed between the first heat exchange wing (19) and the second heat exchange wing (25) in the heat exchange cavity (22), and a reset elastic member is installed between a side of the movable plate (26) close to the second heat exchange wing (25) and the end of the heat exchange cavity (22).

7. The automobile engine valve cover molding equipment according to claim 6, characterized in that: A distance sensor (31) is installed on one side of the heat exchange cavity (22) close to the heat exchange wing 1 (19), and the distance sensor (31) is connected to a temperature analysis module signal.

8. The automobile engine valve cover molding equipment according to claim 4, characterized in that: The movable plate (26) and the partition plate (20) are both made of insulating materials, and the movable heat exchange block (17), heat exchange wing one (19) and heat exchange wing two (25) are all made of heat conductive materials.

9. The automobile engine valve cover molding equipment according to claim 1, characterized in that: The thermal push-back strip (27) is made of an elastic material and contains a medium that deforms under heat.

10. The automobile engine valve cover molding equipment according to claim 1, characterized in that: The heat exchange wing 1 (19) and the heat exchange wing 2 (25) are both provided with an outwardly convex tooth-shaped structure at one end close to the heat exchange cavity (22), and the outwardly convex tooth-shaped structure extends to the inner cavity of the heat exchange cavity (22).

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