Injection mold cooling channel system based on multi-directional synchronous cooling

Abstract

The present invention relates to the field of injection mold cooling technology, specifically to an injection mold cooling channel system based on multi-directional synchronous cooling, comprising: a mold body, and a protective plate fixedly mounted on the mold body, a symmetrically arranged support plate fixed inside the protective plate; a multi-directional cooling component arranged on the support plate; a piston cylinder fixedly mounted inside the protective plate, an air inlet pipe and an air supply pipe connected to the piston cylinder, and the air supply pipe is connected to the multi-directional cooling component; a driving mechanism arranged in the piston cylinder, an intermittent air pumping mechanism connected to the driving mechanism is also arranged in the piston cylinder, and the intermittent air pumping mechanism is connected to the piston cylinder slidingly sealed to the piston cylinder; a conduction and regulation component arranged in the piston cylinder and connected to the driving mechanism. The present application can increase the flow speed of cooling water by pumping air, and control the cooling water to form turbulence, so as to enhance the cooling effect on the mold.

Description

Technical Field

[0001] The invention relates to the technical field of injection mold cooling, in particular to an injection mold cooling channel system based on multi-directional synchronous cooling. Background Art

[0002] Injection molding is a high-temperature and high-pressure process. In order to ensure the quality of plastic parts and production efficiency, the injection mold needs to be kept at a certain temperature. Cooling is an important means to maintain the mold temperature. Reasonable cooling can speed up the injection cycle, reduce thermal stress, and prevent deformation, cracking and other problems. Therefore, the cooling of the injection mold is an indispensable part of injection molding production.

[0003] Water cooling is the most widely used cooling method in injection molds. Its advantages are fast heat transfer, high cooling efficiency, low cost, and easy operation. Water cooling generally uses circulating water or groundwater for cooling, and ultraviolet disinfection and other technologies can also be used to ensure the cleanliness of the water.

[0004] Existing water cooling usually involves pumping cooling water into the mold cooling circuit to cool the mold under the action of heat exchange. However, the cooling water is in a laminar state when flowing normally, and its flow is relatively stable, which cannot fully cover the surface of the mold, resulting in insufficient cooling in certain areas. Summary of the invention

[0005] The object of the present invention is to provide an injection mold cooling channel system based on multi-directional synchronous cooling to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] Injection mold cooling channel system based on multi-directional synchronous cooling, including:

[0008] A mold body, and a protective plate fixedly mounted on the mold body, wherein a symmetrically arranged support plate is fixed inside the protective plate;

[0009] Also includes:

[0010] A multi-directional cooling assembly, arranged on the support plate, for cooling the protective plate;

[0011] A piston cylinder, fixedly mounted in the protective plate, the piston cylinder being connected with an air intake pipe and an air supply pipe, the air supply pipe being connected with the multi-directional cooling assembly;

[0012] A driving mechanism is arranged in the piston cylinder, and an intermittent air pumping mechanism connected to the driving mechanism is also arranged in the piston cylinder, and a piston disc connected to the piston cylinder in a sliding seal is connected to the intermittent air pumping mechanism, and the driving mechanism can drive the piston disc to intermittently reciprocate along the length direction of the piston cylinder through the intermittent air pumping mechanism;

[0013] A conduction regulating component is arranged in the piston cylinder and connected to the driving mechanism. The conduction regulating component can be activated when the driving mechanism moves to adjust the conduction state of the air supply pipe.

[0014] As a further solution of the present invention: the multi-directional cooling assembly includes a two-way delivery pipe fixedly installed on the support plate, the two-way delivery pipe is connected to a symmetrically arranged cooling pipe, and a two-way return pipe connected to the cooling pipe is fixed on the protective plate.

[0015] As a further solution of the present invention: the driving mechanism includes a motor fixedly mounted on the protective plate, a transmission rod connected to the motor output shaft is rotatably mounted in the piston cylinder, and a guide assembly connected to the transmission rod is arranged in the piston cylinder.

[0016] As a further solution of the present invention: the guide assembly includes guide columns fixedly installed in the piston cylinder and symmetrically arranged, a connecting plate is slidably installed on the guide column, a movable sleeve slidably connected to the transmission rod is fixed on the connecting plate, and a guiding structure connected to the movable sleeve is arranged on the transmission rod.

[0017] As a further solution of the present invention: the guiding structure comprises an annular groove formed on the transmission rod, and a first limiting block slidably connected to the annular groove is fixed to the inner wall of the movable sleeve.

[0018] As a further solution of the present invention: the intermittent air pumping mechanism includes a rotating sleeve rotatably installed in the piston cylinder and sleeved on the transmission rod, the piston disk is slidably connected to the rotating sleeve and the guide column, the inner wall of the rotating sleeve is provided with a guide groove, the outer wall of the movable sleeve is fixed with a second limit block slidably connected to the guide groove, and an elastic component is arranged in the rotating sleeve.

[0019] As a further solution of the present invention: the elastic component includes a sealing disk slidably mounted on the rotating sleeve and slidably connected to the guide column, a spring is sleeved on the guide column, two ends of the spring are respectively abutted against the sealing disk and the piston disk, and a sliding structure is provided on the rotating sleeve.

[0020] As a further solution of the present invention: the sliding structure includes a third straight groove and a third spiral groove opened on the circumferential outer wall of the rotating sleeve, the third straight groove and the third spiral groove are equidistantly distributed around the circumference, and the inner wall of the piston disk is fixed with a third limit block that is slidably connected to the third straight groove and the third spiral groove.

[0021] As a further solution of the present invention: the conduction and regulation component includes a rotating plate fixedly mounted on the transmission rod, a sealing plate rotatably sealed with the piston cylinder is fixed on the rotating plate, and an air supply structure connected with the sealing plate is provided on the piston cylinder.

[0022] As a further solution of the present invention: the air supply structure includes a plurality of first conducting holes which are opened at the end of the piston cylinder and are equidistantly distributed around the circumference, and the blocking plate is provided with second conducting holes which cooperate with the first conducting holes.

[0023] Compared with the prior art, the beneficial effects of the present invention are as follows: the present application can perform pressurized and turbulent treatment on the cooling water by conveying air into the two-way delivery pipe, so that the cooling water forms turbulence, thereby increasing the heat exchange efficiency and accelerating the cooling rate of the injection mold. When the driving mechanism is working, it drives the intermittent pumping mechanism to move, thereby driving the piston disk to move. Under the action of the piston disk, the air pressure in the piston cylinder changes, so that air is sucked into the piston cylinder through the intake pipe. The driving mechanism also drives the conduction and regulation component to move, so that the gas in the piston cylinder is intermittently conveyed to the air delivery pipe through the conduction and regulation component, and then conveyed to the two-way delivery pipe. Under the action of the gas, the flow rate of the cooling water is increased, and the cooling water is subjected to turbulent treatment, so that the cooling water forms turbulence, thereby accelerating the cooling rate of the injection mold.

[0024] By conducting the regulating component, the air pumped by the piston cylinder can be intermittently delivered to the two-way delivery pipe to prevent the problem of excessive pressure on the inner wall of the two-way delivery pipe due to excessive amount of gas delivered to the two-way delivery pipe at a single time, which may cause damage to the two-way delivery pipe.

[0025] The piston cylinder is also filled with expansion gas, which can expand or contract according to the temperature of the injection mold. Under the action of the expansion gas, the rate at which the piston cylinder pumps gas can be adjusted, thereby adjusting the pressure of the pumping gas, so as to automatically adjust the pressure of the pumping gas according to the temperature of the injection mold to adjust the turbulent effect of the cooling water. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of an embodiment of an injection mold cooling channel system based on multi-directional synchronous cooling.

[0027] Figure 2It is a structural schematic diagram from another angle in an embodiment of an injection mold cooling channel system based on multi-directional synchronous cooling.

[0028] Figure 3 It is a schematic diagram of the structure inside the protective plate in an embodiment of an injection mold cooling channel system based on multi-directional synchronous cooling.

[0029] Figure 4 It is a schematic diagram of the connection relationship between the piston cylinder, part of the driving mechanism, the air inlet pipe, and the air supply pipe in an embodiment of the injection mold cooling channel system based on multi-directional synchronous cooling.

[0030] Figure 5 It is a schematic diagram of a partial half-section structure of an embodiment of an injection mold cooling channel system based on multi-directional synchronous cooling.

[0031] Figure 6 It is a structural schematic diagram of part of the driving mechanism, the first conducting hole, the piston cylinder, and the air intake pipe in an embodiment of an injection mold cooling channel system based on multi-directional synchronous cooling.

[0032] Figure 7 It is a schematic diagram of the connection relationship between some driving mechanisms, some intermittent pumping mechanisms, and some conduction control components in an embodiment of an injection mold cooling channel system based on multi-directional synchronous cooling.

[0033] Figure 8 It is a schematic diagram of the exploded structure of part of the driving mechanism in an embodiment of an injection mold cooling channel system based on multi-directional synchronous cooling.

[0034] Fig. 9 It is a schematic diagram of the half-section structure of the rotating sleeve in the embodiment of the injection mold cooling channel system based on multi-directional synchronous cooling.

[0035] Fig.10 for Fig. 9 A schematic diagram of the enlarged structure at point A in the middle.

[0036] Fig.11 It is a schematic diagram of the exploded structure of part of the intermittent air pumping mechanism and part of the driving mechanism in an embodiment of the injection mold cooling channel system based on multi-directional synchronous cooling.

[0037] In the figure: 1. mold body; 2. protection plate; 3. support plate; 4. two-way delivery pipe; 5. cooling pipe; 6. two-way return pipe; 7. piston cylinder; 8. air inlet pipe; 9. air delivery pipe; 10. first through hole; 11. motor; 12. transmission rod; 1201. annular groove; 13. rotating plate; 14. blocking plate; 15. second through hole; 16. rotating sleeve; 1601. first straight groove; 1602. first spiral groove; 1603. second straight groove; 1604. second spiral groove; 17. sealing disk; 18. guide column; 19. movable sleeve; 20. connecting plate; 21. first limit block; 22. second limit block; 23. third straight groove; 24. third spiral groove; 25. piston disk; 26. third limit block; 27. spring. DETAILED DESCRIPTION

[0038] 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 described embodiments 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.

[0039] In addition, when an element in the present invention is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only embodiment.

[0040] See also Figure 1 to Figure 11 In an embodiment of the present invention, an injection mold cooling channel system based on multi-directional synchronous cooling includes:

[0041] A mold body 1, and a protection plate 2 fixedly mounted on the mold body 1, wherein a support plate 3 symmetrically arranged is fixed inside the protection plate 2;

[0042] Also includes:

[0043] See also Figure 1-Figure 3 A multi-directional cooling component is arranged on the support plate 3 and is used to cool the protective plate 2. The multi-directional cooling component includes a two-way delivery pipe 4 fixedly installed on the support plate 3, and the two-way delivery pipe 4 is connected to a symmetrically arranged cooling pipe 5. A two-way return pipe 6 connected to the cooling pipe 5 is fixed on the protective plate 2.

[0044] In detail, when cooling the injection mold, it needs to be treated with cooling water. The two-way delivery pipe 4 is used to deliver cooling water pumped from the outside, and the two-way return pipe 6 is used to discharge the cooling water after absorbing heat. The cooling pipe 5 is arranged in a wave shape, and the two ends are respectively connected to the two-way delivery pipe 4 and the two-way return pipe 6. When the injection mold needs to be cooled, at this time, the coolant can be delivered to the two-way delivery pipe 4 through the two ends of the two-way delivery pipe 4. The two streams of cooling water will collide with each other to form turbulent flow, and under the action of water pressure, the cooling water is respectively delivered to multiple cooling pipes 5. As the cooling water flows, the cooling water will exchange heat with the heat in the injection mold to cool the injection mold. Since the stroke of the cooling pipe 5 is large and the diameter of the cooling pipe 5 is much smaller than the diameter of the two-way delivery pipe 4, the water pressure in the cooling pipe 5 is large, so that the cooling water forms turbulence to improve the heat exchange efficiency. When the cooling water enters the two-way return pipe 6, the two-way return pipe 6 can deliver the cooling water to the cooling water tank again to ensure the recycling of the cooling water.

[0045] A piston cylinder 7 is fixedly mounted in the protective plate 2, and an air intake pipe 8 and an air supply pipe 9 are connected to the piston cylinder 7, and the air supply pipe 9 is connected to the multi-directional cooling assembly;

[0046] Among them, the air intake pipe 8 is used to transport air into the piston cylinder 7, one end of the air supply pipe 9 is connected to the piston cylinder 7, and the other end is connected to the two-way delivery pipe 4, and two one-way valves are installed on the piston cylinder 7, which are respectively connected to the air intake pipe 8 and the air supply pipe 9, which can ensure that the gas in the piston cylinder 7 can only enter through the air intake pipe 8 and be discharged through the air supply pipe 9.

[0047] See also Figure 2-Figure 8 , Fig.10 , a driving mechanism is arranged in the piston cylinder 7, the driving mechanism includes a motor 11 fixedly mounted on the protective plate 2, a transmission rod 12 connected to the output shaft of the motor 11 is rotatably mounted in the piston cylinder 7, a guide assembly connected to the transmission rod 12 is arranged in the piston cylinder 7, wherein the guide assembly includes a guide column 18 fixedly mounted in the piston cylinder 7 and symmetrically arranged, a connecting plate 20 is slidably mounted on the guide column 18, a movable sleeve 19 slidably connected to the transmission rod 12 is fixed on the connecting plate 20, a guiding structure connected to the movable sleeve 19 is arranged on the transmission rod 12, the above-mentioned guiding structure includes an annular groove 1201 opened on the transmission rod 12, and a first limit block 21 slidably connected to the annular groove 1201 is fixed on the inner wall of the movable sleeve 19.

[0048] It should be noted that the annular groove 1201 is composed of two spiral grooves, and the two spiral grooves are connected to each other end to end. In the initial state, the connecting plate 20 is located at the end of the stroke away from the piston cylinder 7, so that the first limit block 21 is controlled by the movable sleeve 19 to be located at the end of the stroke of the annular groove 1201 away from the piston cylinder 7. In order to ensure that the cooling water can form turbulence when flowing to enhance the heat exchange efficiency, it is necessary to pressurize the cooling water and introduce air to disturb the flow of the cooling water to form turbulence. At this time, the motor 11 works and drives the transmission rod 12 to rotate, thereby driving the annular groove 1201 to move. Under the action of the annular groove 1201 and the first limit block 21, the movable sleeve 19 moves to drive the connecting plate 20 to move along the length direction of the guide column 18. The connecting plate 20 and the guide column 18 have a guiding function, therefore, the movable sleeve 19 will move along the length direction of the transmission rod 12 and will not rotate with the transmission rod 12. The movable sleeve 19 will also drive the intermittent air pumping mechanism to move to adjust the air pressure in the piston cylinder 7, so that the gas enters the piston cylinder 7 through the intake pipe 8, and is intermittently delivered to the two-way delivery pipe 4 through the air delivery pipe 9, thereby increasing the flow rate of the cooling water. When the first limit block 21 moves to the other side of the annular groove 1201, the size of the movable sleeve 19 inserted into the piston cylinder 7 is the largest. At this time, the transmission rod 12 continues to rotate, and under the action of the annular groove 1201 and the first limit block 21, the movable sleeve 19 moves toward the initial position, and the above steps are repeated, thereby realizing the purpose of pressurizing and turbulent flow of the cooling water and forming turbulence of the cooling water.

[0049] See also Figure 5 , Figure 7-Figure 11The piston cylinder 7 is also provided with an intermittent air pumping mechanism connected to the driving mechanism, and the intermittent air pumping mechanism is connected to a piston disc 25 which is slidably and sealably connected to the piston cylinder 7. The driving mechanism can drive the piston disc 25 to intermittently reciprocate along the length direction of the piston cylinder 7 through the intermittent air pumping mechanism. The intermittent air pumping mechanism includes a rotating sleeve 16 rotatably installed in the piston cylinder 7 and sleeved on the transmission rod 12. The piston disc 25 is slidably connected to the rotating sleeve 16 and the guide column 18. The inner wall of the rotating sleeve 16 is provided with a guide groove, and the outer wall of the movable sleeve 19 is fixed with a second limit block 22 which is slidably connected to the guide groove. An elastic component is arranged in the cylinder 16, wherein the elastic component includes a sealing disk 17 slidably mounted on the rotating sleeve 16 and slidably connected to the guide column 18, a spring 27 is sleeved on the guide column 18, and the two ends of the spring 27 are respectively abutted against the sealing disk 17 and the piston disk 25, and a sliding structure is arranged on the rotating sleeve 16, and the sliding structure mentioned above includes a third straight groove 23 and a third spiral groove 24 opened on the circumferential outer wall of the rotating sleeve 16, and the third straight groove 23 and the third spiral groove 24 are equidistantly distributed around the circumference, and a third limit block 26 slidably connected to the third straight groove 23 and the third spiral groove 24 is fixed to the inner wall of the piston disk 25.

[0050] Furthermore, two groups of third spiral grooves 24 and third straight grooves 23 are provided, and the guide grooves can be divided into four sections, namely the first straight groove 1601, the first spiral groove 1602, the second straight groove 1603, and the second spiral groove 1604, and the first straight groove 1601, the first spiral groove 1602, the second straight groove 1603, and the second spiral groove 1604 are connected to each other in sequence from the beginning to the end, and the side of the sealing plate 17 away from the piston plate 25 forms a closed cavity with the inside of the piston cylinder 7, and the cavity is filled with expansion gas, and the expansion coefficient of the expansion gas is greater than the expansion coefficient of air.

[0051] In the initial state, the temperature in the injection mold is at room temperature, the spring 27 is in a compressed state, so that the piston disc 25 is located at the end of the stroke away from the sealing disc 17, the third limit block 26 is located at the connection position of the third spiral groove 24 and the third straight groove 23, and under the action of the expansion gas pressure, the sealing disc 17 will not move in the direction away from the piston disc 25, the connecting plate 20 is located at the end of the stroke away from the piston cylinder 7, so that the second limit block 22 is located at the connection position of the first straight groove 1601 and the second spiral groove 1604;

[0052] When it is necessary to supercharge and turbulent the cooling water, the transmission rod 12 rotates, and under the action of the annular groove 1201 and the first limit block 21, the movable sleeve 19 slides in the rotating sleeve 16, and the movable sleeve 19 also drives the second limit block 22 to move, so that the second limit block 22 moves along the length direction of the first straight groove 1601. When the second limit block 22 is separated from the first straight groove 1601 and enters the first spiral groove 1602, under the action of the second limit block 22 and the first spiral groove 1602, the rotating sleeve 16 rotates, thereby driving the third straight groove 23 and the third spiral groove 24 to move. Under the action of the third spiral groove 24 and the third limit block 26, the piston disk 25 moves toward the sealing disk 17 and compresses the spring 27.

[0053] When the second limit block 22 moves to the connection position between the first spiral groove 1602 and the second straight groove 1603, the first limit block 21 just moves to the end of the stroke of the annular groove 1201 toward the piston cylinder 7, and the third limit block 26 just moves to the connection position between the third spiral groove 24 and the other side of the third straight groove 23. At this time, the distance between the piston disc 25 and the sealing disc 17 is the smallest. Under the action of the piston disc 25, the outside air is sucked into the piston cylinder 7 through the intake pipe 8. At this time, the spring 27 is elastically released and pushes the piston disc 25 to move toward the initial position to transport the air through the conduction and regulation component. When the piston disc 25 is rotated to the air supply pipe 9, the piston disc 25 also drives the third limit block 26 to move along the length direction of the third straight groove 23. At the same time, the transmission rod 12 continues to rotate, and under the action of the first limit block 21 and the annular groove 1201, the movable sleeve 19 moves toward the initial position to drive the second limit block 22 to move along the length direction of the second straight groove 1603. Since the rotating sleeve 16 does not rotate during this process, the third limit block 26 can smoothly move along the length direction of the third straight groove 23. When the piston disc 25 is reset, the second limit block 22 is still in the second straight groove 1603.

[0054] As the movable sleeve 19 continues to move, the second limit block 22 disengages from the second straight groove 1603 and enters the second spiral groove 1604. At this time, the rotating sleeve 16 rotates again, so that the third limit block 26 enters the third spiral groove 24 again, thereby controlling the piston disk 25 to move again. When the second limit block 22 returns to the position where the second spiral groove 1604 is connected to the first straight groove 1601, the spring 27 is released again and controls the piston disk 25 to reset, so as to pump the gas into the two-way delivery pipe 4 again, and repeat the above steps, thereby achieving the purpose of pressurizing and turbulent flow of cooling water to control the formation of turbulence in cooling water and increase the heat exchange efficiency.

[0055] In summary, in this embodiment, the transmission rod 12 is driven to rotate by the continuous rotation of the motor 11. When the transmission rod 12 rotates, the movable sleeve 19 is driven to reciprocate along the axial direction of the transmission rod 12. When the movable sleeve 19 reciprocates, the rotating sleeve 16 is driven to rotate intermittently. When the rotating sleeve 16 rotates intermittently, the piston disc 25 is driven to reciprocate, thereby realizing the demand for pumping gas.

[0056] Among them, it is also necessary to explain that the intermittent rotation setting of the rotating sleeve 16 in this embodiment is used to ensure that the rotating sleeve 16 is in a stationary state when the piston disc 25 performs the air pumping action, thereby preventing the third limit block 26 from being stuck in the third straight groove 23, and ensuring that during the air pumping process, the piston disc 25 can move quickly under the action of the spring 27 to reset, so as to achieve the rapid push of the gas entering the piston cylinder 7, so as to achieve the effect of boosting and turbulent flow of the cooling water; at the same time, through the cooperation between multiple components of the present application, the motor 11 can maintain a uniform working state, without the need to set up other drive sources or other control systems, thereby eliminating errors caused by response time delays.

[0057] Preferably, as the temperature of the injection mold increases, the expanding gas in the piston cylinder 7 will expand, and under the action of air pressure, the sealing disk 17 will be pushed toward the piston disk 25, so that the compression of the spring 27 increases. Under the action of the spring 27, the third limit block 26 disengages from the third spiral groove 24 and enters the third straight groove 23. The thrust of the spring 27 on the piston disk 25 increases to accelerate the discharge rate of the gas in the piston cylinder 7, thereby increasing the air pressure entering the two-way delivery pipe 4, ensuring that when the temperature of the injection mold rises, the flow rate of the cooling water is automatically increased by increasing the air pressure to enhance the turbulent effect of the cooling water, thereby further increasing the heat exchange rate.

[0058] See also Figure 5-Figure 7 , Fig.11 , a conduction and regulation component is arranged in the piston cylinder 7 and connected to the driving mechanism. The conduction and regulation component can be activated when the driving mechanism moves to adjust the conduction state of the air supply pipe 9. The conduction and regulation component includes a rotating plate 13 fixedly mounted on the transmission rod 12, and a sealing plate 14 is fixed on the rotating plate 13 to be rotatably sealed with the piston cylinder 7. The piston cylinder 7 is provided with an air supply structure connected to the sealing plate 14, wherein the air supply structure includes a plurality of first conduction holes 10 opened at the end of the piston cylinder 7 and distributed equidistantly around the circumference, and a second conduction hole 15 matching the first conduction hole 10 is opened on the sealing plate 14.

[0059] Furthermore, in order to prevent the problem that the amount of gas delivered to the two-way delivery pipe 4 in a single time is too much, which causes the pressure in the two-way delivery pipe 4 to be too high and causes damage to the two-way delivery pipe 4, it is necessary to intermittently deliver the gas in the piston cylinder 7 to the two-way delivery pipe 4. In the initial state, the first conductive hole 10 and the second conductive hole 15 are in a conductive state. When the transmission rod 12 rotates, it drives the rotating plate 13 to move, thereby driving the sealing plate 14 to rotate. The sealing plate 14 will drive the second conductive hole 15 to move, so that the second conductive hole 15 and the first conductive hole 10 are intermittently in a conductive or blocked state, thereby ensuring that when the piston cylinder 7 pumps air, the air is intermittently delivered to the air delivery pipe 9 through the conductive hole, ensuring that the pressure on the inner wall of the two-way delivery pipe 4 is always within the use range.

[0060] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0061] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. Injection mold cooling channel system based on multi-directional synchronous cooling, including: A mold body, and a protective plate fixedly mounted on the mold body, wherein a symmetrically arranged support plate is fixed inside the protective plate; It is characterized by further comprising: A multi-directional cooling assembly, arranged on the support plate, for cooling the protective plate; A piston cylinder, fixedly mounted in the protective plate, the piston cylinder being connected with an air intake pipe and an air supply pipe, the air supply pipe being connected with the multi-directional cooling assembly; A driving mechanism is arranged in the piston cylinder, and an intermittent air pumping mechanism connected to the driving mechanism is also arranged in the piston cylinder, and a piston disc connected to the piston cylinder in a sliding seal is connected to the intermittent air pumping mechanism, and the driving mechanism can drive the piston disc to intermittently reciprocate along the length direction of the piston cylinder through the intermittent air pumping mechanism; A conduction regulating component is disposed in the piston cylinder and connected to the driving mechanism, and the conduction regulating component can be actuated when the driving mechanism moves to adjust the conduction state of the air supply pipe; The driving mechanism comprises a motor fixedly mounted on the protective plate, a transmission rod connected to the output shaft of the motor is rotatably mounted in the piston cylinder, and a guide assembly connected to the transmission rod is arranged in the piston cylinder; The guide assembly comprises a guide column fixedly mounted in the piston cylinder and symmetrically arranged, a connecting plate slidably mounted on the guide column, a movable sleeve slidably connected to the transmission rod is fixed on the connecting plate, and a guide structure connected to the movable sleeve is arranged on the transmission rod; The intermittent air pump mechanism comprises a rotating sleeve rotatably mounted in the piston cylinder and sleeved on the transmission rod, the piston disc is slidably connected with the rotating sleeve and the guide column, a guide groove is provided on the inner wall of the rotating sleeve, a second limit block slidably connected with the guide groove is fixed on the outer wall of the movable sleeve, and an elastic component is arranged in the rotating sleeve; The elastic component includes a sealing disk slidably mounted on the rotating sleeve and slidably connected to the guide column. A spring is sleeved on the guide column. Both ends of the spring are respectively in contact with the sealing disk and the piston disk. A sliding structure is provided on the rotating sleeve.

2. The injection mold cooling channel system based on multi-directional synchronous cooling according to claim 1, characterized in that: The multi-directional cooling assembly includes a bidirectional delivery pipe fixedly mounted on the support plate, the bidirectional delivery pipe is connected to a symmetrically arranged cooling pipe, and a bidirectional return pipe connected to the cooling pipe is fixed on the protective plate.

3. The injection mold cooling channel system based on multi-directional synchronous cooling according to claim 2, characterized in that: The guide structure comprises an annular groove (1201) formed on the transmission rod, and a first limit block slidably connected to the annular groove (1201) is fixed to the inner wall of the movable sleeve.

4. The injection mold cooling channel system based on multi-directional synchronous cooling according to claim 3 is characterized in that: The sliding structure includes a third straight groove and a third spiral groove opened on the circumferential outer wall of the rotating sleeve, the third straight groove and the third spiral groove are equidistantly distributed around the circumference, and a third limit block slidably connected to the third straight groove and the third spiral groove is fixed on the inner wall of the piston disk.

5. The injection mold cooling channel system based on multi-directional synchronous cooling according to claim 4, characterized in that: The conduction regulating component includes a rotating plate fixedly mounted on the transmission rod, a sealing plate rotatably sealed with the piston cylinder is fixed on the rotating plate, and an air supply structure connected with the sealing plate is provided on the piston cylinder.

6. The injection mold cooling channel system based on multi-directional synchronous cooling according to claim 5, characterized in that: The air supply structure includes a plurality of first conducting holes which are opened at the end of the piston cylinder and are equidistantly distributed around the circumference, and the blocking plate is provided with second conducting holes which match the first conducting holes.

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