A portable flow manual adjustment device

Abstract

The present invention discloses a portable flow manual adjustment device, which relates to the technical field of plastic injection molding. It includes a flow-through seat, a left flow adjustment seat and an adjustment component. A fixed seat is arranged in the middle of the inner side of the flow-through seat, and a hot runner is connected to the top of the inner side of the fixed seat. A cold runner is arranged at the bottom of the inner side of the fixed seat. A right adjustment seat is arranged at the right end inside the fixed seat, and a heating seat is arranged inside the right adjustment seat. The left flow adjustment seat is arranged at the left end inside the fixed seat. By making the scraper extend into the hot runner and the cold runner and cooperating with the left and right displacement of the displacement rod, the solidified plastic can be scraped off from the end positions of the hot runner and the cold runner, which can effectively avoid the blockage when the molten plastic flows, making the injection molding process smoother. In addition, after the scraper extends into the cold runner, the device can adjust the position of the product weld line in the cold runner according to the type of the cold runner, which improves the functionality of the device.

Description

Technical Field

[0001] The present invention relates to the technical field of plastic injection molding, and specifically relates to a portable flow manual adjustment device. Background Art

[0002] Plastic injection molding is the main molding equipment for making various shaped plastic products by using thermoplastic or thermosetting plastics with plastic molding molds. Plastic injection molding is achieved through an injection molding machine and a mold. During the process of plastic injection molding, it is usually realized by injecting the melted plastic in the hot runner into the cold runner for cooling. When the plastic flows from the hot runner into the cold runner, a flow adjustment device is usually used to control the flow of the melted plastic.

[0003] Common flow manual adjustment devices on the market usually can only control the flow or blockage of the melted plastic, and cannot control the size of the plastic flow out of the hot runner. This results in the problem that the plastic in the mold is prone to overflow due to excessive inflow during the injection molding process. Summary of the Invention

[0004] The purpose of the present invention is to provide a portable flow manual adjustment device to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A portable flow manual adjustment device includes a flow-through seat, a left flow adjustment seat, and an adjustment component. A fixed seat is provided in the middle of the inner side of the flow-through seat, and a hot runner is connected to the top of the inner side of the fixed seat. A cold runner is provided at the bottom of the inner side of the fixed seat. A right adjustment seat is arranged at the right end inside the fixed seat, and a heating seat is arranged inside the right adjustment seat. The left flow adjustment seat is arranged at the left end inside the fixed seat, and a communication groove is opened in the middle of the inner side of the left flow adjustment seat. A first air extraction pipe is connected to the outer side of the left part of the left flow adjustment seat, and a first air extraction port is opened at the outer side of the bottom of the left flow adjustment seat. Spring seats are connected to the upper and lower sides of the communication groove, and a displacement component is connected to the outer ends of the spring seats. Second air extraction pipes are connected to the outer sides of the displacement component. An offset groove is opened in the inner side of the left part of the flow-through seat. The adjustment component is arranged on the outer side of the left part of the flow-through seat.

[0006] Furthermore, the left flow adjustment seat and the right adjustment seat are on the same straight line, the left flow adjustment seat is fixedly connected to the first air extraction pipe, and the first air extraction pipe is communicated with the first air extraction port.

[0007] Furthermore, the displacement component includes a displacement rod, a ventilation groove, a scraping plate, and a second air extraction port. A ventilation groove is opened in the inner side of the displacement rod, a scraping plate is connected to the outer side of the top of the displacement rod, and second air extraction ports are opened on the outer sides of the scraping plate.

[0008] Further, the second air suction pipe is fixedly connected to the displacement rod, and the second air suction pipe is communicated with the second suction port through the ventilation groove.

[0009] Further, the scraping plate and the displacement rod are integrated, and the width of the displacement rod is the same as that of the hot runner and the cold runner.

[0010] Further, the displacement rod is fixedly connected to the left flow regulating seat through the spring seat, and the displacement rod is elastically connected to the spring seat.

[0011] Further, the adjusting assembly includes an adjusting box, a first displacement groove, a threaded seat, a first lead screw, a bearing seat, a second displacement groove, a first socket seat, a second lead screw, a bearing lifting seat, a second socket seat and a third displacement groove. A first displacement groove is formed on the outer side of the left part of the adjusting box, and a threaded seat is connected to the outside of the first displacement groove. The inner side of the threaded seat is connected to a first lead screw, and the end of the first lead screw is connected to a bearing seat. A second displacement groove is formed on the outer side of the top of the adjusting box, and a first socket seat is connected to the outer end of the second displacement groove. The inner side of the first socket seat is connected to a second lead screw. The outer end of the second lead screw is connected to a bearing lifting seat, and the outer side of the bottom of the second lead screw is connected to a second socket seat. A third displacement groove is formed on the outer side of the bottom of the adjusting box.

[0012] Further, the first lead screw is rotationally connected to the bearing seat, and the bearing seat is fixedly connected to the displacement rod.

[0013] Further, the bearing lifting seat is sleeved on the displacement rod, and the bearing lifting seat is threadedly connected to the second lead screw.

[0014] Further, the second socket seat is sleeved on the second lead screw, and the second socket seat is slidably connected to the third displacement groove.

[0015] The present invention provides a portable flow manual adjustment device, which has the following beneficial effects: Since the displacement of the left flow regulating seat is realized by rotating the first lead screw, the left flow regulating seat can not only realize the normally open and normally closed states between the hot runner and the cold runner, but also control the size of the communication gap between the hot runner and the cold runner. This enables the device to control the flow rate of the molten plastic according to the actual volume of the cold runner to avoid the occurrence of glue overflow. During the process of the hot runner and the cold runner being cut off from the flow, due to the relatively low temperature at the end positions of the hot runner and the cold runner, the remaining plastic is prone to solidify. By extending the scraping plate into the hot runner and the cold runner and cooperating with the left and right displacement of the displacement rod, the solidified plastic can be scraped off from the end positions of the hot runner and the cold runner, which can effectively avoid the occurrence of blockage when the molten plastic flows, making the injection molding process smoother. In addition, after the scraping plate extends into the cold runner, the device can adjust the position of the product weld line in the cold runner according to the type of the cold runner, which can improve the functionality of the device.

[0016] 1. By rotating the first lead screw at the outer end of the adjustment box, the present invention enables the first lead screw to rotate inside the threaded seat. During the rotation of the first lead screw, the displacement rod can drive the left flow regulator seat to move towards the right adjustment seat. During the movement of the left flow regulator seat, the communication gap between the hot runner and the cold runner can be narrowed. After the scraper at the right end of the left flow regulator seat fits with the right adjustment seat, the left flow regulator seat can completely block the communication gap between the hot runner and the cold runner, thereby achieving the interruption of the flow between the hot runner and the cold runner. Since the displacement of the left flow regulator seat is achieved by rotating the first lead screw, the left flow regulator seat can not only achieve the normally open and normally closed states between the hot runner and the cold runner, but also control the size of the communication gap between the hot runner and the cold runner. This enables the device to control the flow rate of the molten plastic according to the actual volume of the cold runner to avoid the occurrence of glue overflow, making the use of the device more flexible. In addition, by controlling the flow rate of the molten plastic, the hot runner can be adapted to the injection molding processes of different types of cold runners, which can greatly reduce the production cost of the mold.

[0017] 2. By rotating the second lead screw, the present invention enables the bearing lifting seat to drive the displacement rod to lift inside the displacement groove. During the lifting of the displacement rod, the spring seat inside the communication groove can be squeezed, causing the position of the scraper at the outer end of the left flow regulator seat to change. After the position of the scraper changes, it can extend into the hot runner or the cold runner. During the interruption of the flow between the hot runner and the cold runner, due to the relatively low temperature at the end positions of the hot runner and the cold runner, the remaining plastic is prone to solidification. By extending the scraper into the hot runner and the cold runner and combining with the left and right displacement of the displacement rod, the solidified plastic can be scraped off from the end positions of the hot runner and the cold runner, effectively avoiding the occurrence of blockage during the flow of the molten plastic and making the injection molding process smoother. In addition, after the scraper extends into the cold runner, the device can adjust the position of the product weld line in the cold runner according to the type of the cold runner, which can improve the functionality of the device.

[0018] 3. In order to increase the temperature at the end positions of the hot runner and the cold runner, a heating seat is installed inside the right adjustment seat in the present invention. During the interruption of the flow of the device, by the operation of the heating wire in the heating seat, the temperature at the end positions of the hot runner and the cold runner can rise, effectively reducing the probability of plastic solidification at the end positions of the hot runner and the cold runner.

[0019] 4. During the process of the first lead screw of the present invention driving the displacement rod to displace, the displacement rod can transmit the displacement force to the second lead screw through the bearing lifting seat, which enables the position of the second lead screw to be changed by the sliding of the first socket seat in the second displacement groove and the sliding of the second socket seat in the third displacement groove. Similarly, when the displacement rod is lifted or lowered, the position of the first lead screw can be changed by the sliding of the threaded seat in the first displacement groove. This can effectively ensure that the displacement rod does not interfere during the process of lifting and displacement, and at the same time, through the self-adaptive adjustment of the equipment position, it can effectively ensure that the equipment does not get stuck during use.

[0020] 5. During the process of the left flow regulator seat of the present invention displacing to cut off the hot runner and the cold runner, the first suction port cold runner at its bottom can make the external air extractor work after the left flow regulator seat covers the hot runner and the cold runner, generating suction at the first suction port. After the suction is generated, the air in the empty cold runner can be extracted, creating a negative pressure in the cold runner. When the left flow regulator seat retracts, the scraper faces the hot runner side and the second suction pipe works, generating suction at the second suction port on the surface of the scraper. This enables the scraper to scrape off the solidified or semi-solidified plastic and suck it into the second suction pipe through the second suction port and the ventilation groove. At this time, the molten plastic in the hot runner will quickly flow into the cold runner due to the influence of the negative pressure in the cold runner. This enables the equipment to not only dredge and clean the solidified or semi-solidified plastic but also ensure the smoothness of the injection molding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a front view overall structural schematic diagram of a portable flow manual adjustment device of the present invention;

[0022] Figure 2 is a three-dimensional structural schematic diagram of the left flow regulator seat of a portable flow manual adjustment device of the present invention;

[0023] Figure 3 is a structural schematic diagram of the displacement assembly of a portable flow manual adjustment device of the present invention;

[0024] Figure 4 is a top view structural schematic diagram of the fixed seat of a portable flow manual adjustment device of the present invention;

[0025] Figure 5 is a left view structural schematic diagram of the adjustment box of a portable flow manual adjustment device of the present invention.

[0026] In the figure: 1, flow-through seat; 2, fixed seat; 3, hot runner; 4, cold runner; 5, right adjusting seat; 6, heating seat; 7, left flow-regulating seat; 8, communication groove; 9, first suction pipe; 10, first suction port; 11, spring seat; 12, displacement assembly; 1201, displacement rod; 1202, ventilation groove; 1203, scraping plate; 1204, second suction port; 13, second suction pipe; 14, offset groove; 15, adjusting assembly; 1501, adjusting box; 1502, first displacement groove; 1503, threaded seat; 1504, first lead screw; 1505, bearing seat; 1506, second displacement groove; 1507, first socket seat; 1508, second lead screw; 1509, bearing lifting seat; 1510, second socket seat; 1511, third displacement groove. Detailed implementation mode

[0027] Please refer to Figures 1-5 , the present invention provides a technical solution: a portable flow manual adjustment device, including a flow-through seat 1, a left flow-regulating seat 7 and an adjusting assembly 15. A fixed seat 2 is arranged in the middle of the inner side of the flow-through seat 1, and a hot runner 3 is connected to the top of the inner side of the fixed seat 2. A cold runner 4 is arranged at the bottom of the inner side of the fixed seat 2. A right adjusting seat 5 is arranged at the right end inside the fixed seat 2, and a heating seat 6 is arranged inside the right adjusting seat 5. The left flow-regulating seat 7 is arranged at the left end inside the fixed seat 2, and a communication groove 8 is opened in the middle of the inner side of the left flow-regulating seat 7. A first suction pipe 9 is connected to the outer side of the left part of the left flow-regulating seat 7, and a first suction port 10 is opened on the outer side of the bottom of the left flow-regulating seat 7. Spring seats 11 are connected to the upper and lower sides of the communication groove 8, and a displacement assembly 12 is connected to the outer ends of the spring seats 11. Second suction pipes 13 are connected to the outer sides of both sides of the displacement assembly 12. An offset groove 14 is opened on the inner side of the left part of the flow-through seat 1. The adjusting assembly 15 is arranged on the outer side of the left part of the flow-through seat 1.

[0028] Please refer to Figures 1-5, the left flow regulating seat 7 and the right regulating seat 5 are on the same straight line, and the left flow regulating seat 7 is fixedly connected to the first exhaust pipe 9, and the first exhaust pipe 9 communicates with the first suction port 10. The displacement assembly 12 includes a displacement rod 1201, a ventilation groove 1202, a scraper 1203 and a second suction port 1204. A ventilation groove 1202 is provided inside the displacement rod 1201, and a scraper 1203 is connected to the outer side of the top end of the displacement rod 1201. Second suction ports 1204 are provided on both outer sides of the scraper 1203. The second exhaust pipe 13 is fixedly connected to the displacement rod 1201, and the second exhaust pipe 13 is connected to the second suction port 1204 through the ventilation groove 1202. The scraper 1203 and the displacement rod 1201 are integrated, and the width of the displacement rod 1201 is the same as the widths of the hot runner 3 and the cold runner 4. The displacement rod 1201 is fixedly connected to the left flow regulating seat 7 through a spring seat 11, and the displacement rod 1201 is elastically connected to the spring seat 11. The adjustment assembly 15 includes an adjustment box 1501, a first displacement groove 1502, a threaded seat 1503, a first lead screw 1504, a bearing seat 1505, a second displacement groove 1506, a first socket seat 1507, a second lead screw 1508, a bearing lifting seat 1509, a second socket seat 1510 and a third displacement groove 1511. A first displacement groove 1502 is provided on the outer side of the left part of the adjustment box 1501, and a threaded seat 1503 is connected to the outside of the first displacement groove 1502. A first lead screw 1504 is connected to the inside of the threaded seat 1503, and a bearing seat 1505 is connected to the end of the first lead screw 1504. A second displacement groove 1506 is provided on the outer side of the top of the adjustment box 1501, and a first socket seat 1507 is connected to the outer end of the second displacement groove 1506. A second lead screw 1508 is connected to the inside of the first socket seat 1507, and a bearing lifting seat 1509 is connected to the outer end of the second lead screw 1508. A second socket seat 1510 is connected to the outside of the bottom of the second lead screw 1508. A third displacement groove 1511 is provided on the outer side of the bottom of the adjustment box 1501. The first lead screw 1504 is rotatably connected to the bearing seat 1505, and the bearing seat 1505 is fixedly connected to the displacement rod 1201. The bearing lifting seat 1509 is sleeved on the displacement rod 1201, and the bearing lifting seat 1509 is threadedly connected to the second lead screw 1508. The second socket seat 1510 is sleeved on the second lead screw 1508, and the second socket seat 1510 is slidably connected to the third displacement groove 1511;

[0029] The specific operations are as follows. The hot runner 3 and the cold runner 4 are both fixed inside the flow-through seat 1 through the fixing seat 2, which can ensure that the relative positions of the hot runner 3 and the cold runner 4 will not change. After the plastic is melted, it can flow into the cold runner 4 through the hot runner 3 for cooling, thereby forming plastic products. By rotating the first lead screw 1504 at the outer end of the adjustment box 1501, the first lead screw 1504 can rotate inside the threaded seat 1503. During the rotation of the first lead screw 1504, the displacement rod 1201 can drive the left flow regulator seat 7 to move towards the right adjustment seat 5. The bearing seat 1505 is arranged on the surface of the displacement rod 1201 and is connected to the first lead screw 1504, which can ensure that the force of the rotation of the first lead screw 1504 is not transmitted to the displacement rod 1201, so that the displacement rod 1201 will only displace along with the first lead screw 1504. During the movement of the left flow regulator seat 7, the communication gap between the hot runner 3 and the cold runner 4 can be narrowed. After the scraper 1203 at the right end of the left flow regulator seat 7 fits with the right adjustment seat 5, the left flow regulator seat 7 can completely block the communication gap between the hot runner 3 and the cold runner 4, thereby realizing the interruption of the flow between the hot runner 3 and the cold runner 4. Since the displacement of the left flow regulator seat 7 is realized by rotating the first lead screw 1504, the left flow regulator seat 7 can not only realize the normally open and normally closed states between the hot runner 3 and the cold runner 4, but also control the size of the communication gap between the hot runner 3 and the cold runner 4. This enables the equipment to control the flow rate of the melted plastic according to the actual volume of the cold runner 4 to avoid the situation of glue overflow, making the use of the equipment more flexible. In addition, by controlling the flow rate of the melted plastic, the hot runner 3 can be suitable for the injection molding processes of different types of cold runners 4, which can greatly reduce the production cost of the mold. By rotating the second lead screw 1508, the bearing lifting seat 1509 can drive the displacement rod 1201 to lift inside the offset groove 14. During the lifting of the displacement rod 1201, the spring seat 11 inside the communication groove 8 can be squeezed, so that the position of the scraper 1203 at the outer end of the left flow regulator seat 7 is changed. After the position of the scraper 1203 is changed, it can extend into the hot runner 3 or the cold runner 4. During the interruption of the flow between the hot runner 3 and the cold runner 4, due to the relatively low temperature at the end positions of the hot runner 3 and the cold runner 4, the residual plastic is prone to solidify. By making the scraper 1203 extend into the hot runner 3 and the cold runner 4 and cooperating with the left and right displacement of the displacement rod 1201, the solidified plastic can be scraped off from the end positions of the hot runner 3 and the cold runner 4, which can effectively avoid the situation of blockage when the melted plastic flows, making the injection molding process more smooth. In addition, after the scraper 1203 extends into the cold runner 4, the equipment can adjust the position of the product weld line in the cold runner 4 according to the type of the cold runner 4, which can improve the functionality of the equipment. In order to increase the temperature at the end positions of the hot runner 3 and the cold runner 4, a heating seat 6 is arranged inside the right adjustment seat 5. During the interruption of the flow of the equipment, through the operation of the heating wire in the heating seat 6, the temperature at the end positions of the hot runner 3 and the cold runner 4 can rise.This can effectively reduce the probability of plastic solidification at the end positions of the hot runner 3 and the cold runner 4. During the process of the first lead screw 1504 driving the displacement rod 1201 to displace, the displacement rod 1201 can transmit the displacement force to the second lead screw 1508 through the bearing lifting seat 1509. This enables the position of the second lead screw 1508 to be changed by the sliding of the first socket seat 1507 in the second displacement slot 1506 and the sliding of the second socket seat 1510 in the third displacement slot 1511. Similarly, when the displacement rod 1201 moves up and down, the position of the first lead screw 1504 can be changed by the sliding of the threaded seat 1503 in the first displacement slot 1502. This can effectively ensure that the displacement rod 1201 does not interfere during the process of lifting and displacing, and at the same time, through the self-adaptive adjustment of the equipment position, it can effectively ensure that the equipment does not get stuck during use. Both the first suction pipe 9 and the second suction pipe 13 can be connected to a suction pump outside the equipment. During the process of the left flow regulator 7 displacing to cut off the flow of the hot runner 3 and the cold runner 4, the first suction port 10 at its bottom can suck the cold runner 4. After the left flow regulator 7 covers the hot runner 3 and the cold runner 4, the external exhaust fan works, which can generate suction at the first suction port 10. After the suction is generated, the air in the empty cold runner 4 can be pumped out, creating a negative pressure in the cold runner 4. When the left flow regulator 7 retracts, the scraper 1203 faces the side of the hot runner 3, and the second suction pipe 13 works, which can generate suction at the second suction port 1204 on the surface of the scraper 1203. This enables the scraper 1203 to scrape off the solidified or semi-solidified plastic and then suck it into the second suction pipe 13 through the second suction port 1204 and the ventilation groove 1202. At this time, the molten plastic in the hot runner 3 will quickly flow into the cold runner 4 due to the negative pressure in the cold runner 4. This enables the equipment to not only dredge and clean the solidified or semi-solidified plastic but also ensure the smoothness of the injection molding process.

[0030] In summary, for this portable flow manual adjustment device, during use, first, both the hot runner 3 and the cold runner 4 are fixed inside the flow-through seat 1 by the fixing seat 2, which can ensure that the relative positions of the hot runner 3 and the cold runner 4 do not change. After the plastic melts, it can flow into the cold runner 4 through the hot runner 3 for cooling, thereby forming plastic products.

[0031] Then rotate the first lead screw 1504 at the outer end of the adjustment box 1501, which can cause the first lead screw 1504 to rotate inside the threaded seat 1503. During the rotation of the first lead screw 1504, the displacement rod 1201 can drive the left flow regulator 7 to move towards the right adjustment seat 5. The bearing seat 1505 is arranged on the surface of the displacement rod 1201 and is connected to the first lead screw 1504, which can ensure that the force of the rotation of the first lead screw 1504 is not transmitted to the displacement rod 1201, so that the displacement rod 1201 will only be displaced along with the first lead screw 1504. During the movement of the left flow regulator 7, the communication gap between the hot runner 3 and the cold runner 4 can be narrowed. After the scraper 1203 at the right end of the left flow regulator 7 fits with the right adjustment seat 5, the left flow regulator 7 can completely block the communication gap between the hot runner 3 and the cold runner 4, thereby realizing the interruption of the flow between the hot runner 3 and the cold runner 4. Since the displacement of the left flow regulator 7 is achieved by rotating the first lead screw 1504, the left flow regulator 7 can not only realize the normally open and normally closed states between the hot runner 3 and the cold runner 4, but also control the size of the communication gap between the hot runner 3 and the cold runner 4. This enables the device to control the flow rate of the molten plastic according to the actual volume of the cold runner 4 to avoid the occurrence of glue overflow, making the use of the device more flexible. In addition, by controlling the flow rate of the molten plastic, the hot runner 3 can be applied to the injection molding processes of different types of cold runners 4, which can greatly reduce the production cost of the mold;

[0032] Then rotate the second lead screw 1508, which can cause the bearing lifting seat 1509 to drive the displacement rod 1201 to lift inside the offset groove 14. During the lifting of the displacement rod 1201, it can squeeze the spring seat 11 inside the communication groove 8, causing the position of the scraper 1203 at the outer end of the left flow regulator 7 to change. After the position of the scraper 1203 changes, it can extend into the hot runner 3 or the cold runner 4. During the interruption of the flow between the hot runner 3 and the cold runner 4, due to the relatively low temperature at the end positions of the hot runner 3 and the cold runner 4, the remaining plastic is prone to solidification. By extending the scraper 1203 into the hot runner 3 and the cold runner 4 and cooperating with the left and right displacement of the displacement rod 1201, the solidified plastic can be scraped off from the end positions of the hot runner 3 and the cold runner 4, which can effectively avoid the occurrence of blockage when the molten plastic flows, making the injection molding process smoother. In addition, after the scraper 1203 extends into the cold runner 4, the device can adjust the position of the product weld line in the cold runner 4 according to the type of the cold runner 4, which can improve the functionality of the device. To increase the temperature at the end positions of the hot runner 3 and the cold runner 4, a heating seat 6 is arranged inside the right adjustment seat 5. During the interruption of the flow of the device, through the operation of the heating wire in the heating seat 6, the temperature at the end positions of the hot runner 3 and the cold runner 4 can rise, which can effectively reduce the probability of plastic solidification at the end positions of the hot runner 3 and the cold runner 4;

[0033] Subsequently, during the process of the first lead screw 1504 driving the displacement rod 1201 for displacement, the displacement rod 1201 can transmit the displacement force to the second lead screw 1508 through the bearing lifting seat 1509. This enables the position of the second lead screw 1508 to be changed by the sliding of the first socket 1507 in the second displacement groove 1506 and the sliding of the second socket 1510 in the third displacement groove 1511. Similarly, when the displacement rod 1201 moves up and down, the position of the first lead screw 1504 can be changed by the sliding of the threaded seat 1503 in the first displacement groove 1502. This can effectively ensure that the displacement rod 1201 does not interfere during the process of lifting and displacement. At the same time, through the self-adaptive adjustment of the equipment position, it can effectively ensure that the equipment does not get stuck during use;

[0034] Finally, during the process of the left flow regulator 7 moving to cut off the hot runner 3 and the cold runner 4, the first suction port 10 at its bottom can suck the cold runner 4. After the left flow regulator 7 covers the hot runner 3 and the cold runner 4, the external exhaust fan works, which can generate suction at the first suction port 10. After the suction is generated, the air in the empty cold runner 4 can be pumped out, creating a negative pressure in the cold runner 4. When the left flow regulator 7 retracts, the scraper 1203 faces the side of the hot runner 3, and the second suction pipe 13 works, which can generate suction at the second suction port 1204 on the surface of the scraper 1203. This enables the scraper 1203 to scrape off the solidified or semi-solidified plastic and then suck it into the second suction pipe 13 through the second suction port 1204 and the ventilation groove 1202. At this time, the molten plastic in the hot runner 3 will quickly flow into the cold runner 4 due to the negative pressure in the cold runner 4. This enables the equipment to both dredge and clean the solidified or semi-solidified plastic and ensure the smoothness of the injection molding process.

Claims

1. A portable flow manual adjustment device, characterized in that, It includes a flow-through seat (1), a left flow-regulating seat (7) and an adjusting component (15). A fixed seat (2) is arranged in the middle of the inner side of the flow-through seat (1), and a hot runner (3) is connected to the top end of the inner side of the fixed seat (2). A cold runner (4) is arranged at the bottom of the inner side of the fixed seat (2). A right adjusting seat (5) is installed at the right end inside the fixed seat (2), and a heating seat (6) is arranged inside the right adjusting seat (5). The left flow-regulating seat (7) is arranged at the left end inside the fixed seat (2), and a communication groove (8) is provided in the middle of the inner side of the left flow-regulating seat (7). A first suction pipe (9) is connected to the outer side of the left part of the left flow-regulating seat (7), and a first suction port (10) is provided on the outer side of the bottom of the left flow-regulating seat (7). Spring seats (11) are connected to the upper and lower sides of the communication groove (8), and a displacement component (12) is connected to the outer ends of the spring seats (11). Second suction pipes (13) are connected to the outer sides of the displacement component (12). An offset groove (14) is provided in the inner side of the left part of the flow-through seat (1). The adjusting component (15) is arranged on the outer side of the left part of the flow-through seat (1). The displacement component (12) includes a displacement rod (1201), a ventilation groove (1202), a scraping plate (1203) and a second suction port (1204). A ventilation groove (1202) is provided in the inner side of the displacement rod (1201), and a scraping plate (1203) is connected to the outer side of the top end of the displacement rod (1201). Second suction ports (1204) are provided on the outer sides of the scraping plate (1203). The second suction pipes (13) are fixedly connected to the displacement rod (1201), and the second suction pipes (13) are communicated with the second suction ports (1204) through the ventilation groove (1202). The scraping plate (1203) and the displacement rod (1201) are integrated, and the width of the displacement rod (1201) is the same as that of the hot runner (3) and the cold runner (4). The displacement rod (1201) is fixedly connected to the left flow-regulating seat (7) through the spring seat (11), and the displacement rod (1201) is elastically connected to the spring seat (11). The adjusting component (15) includes an adjusting box (1501), a first displacement groove (1502), a threaded seat (1503), a first lead screw (1504), a bearing seat (1505), a second displacement groove (1506), a first socket seat (1507), a second lead screw (1508), a bearing lifting seat (1509), a second socket seat (1510) and a third displacement groove (1511). A first displacement groove (1502) is provided on the outer side of the left part of the adjusting box (1501), and a threaded seat (1503) is connected to the outer side of the first displacement groove (1502). A first lead screw (1504) is connected to the inner side of the threaded seat (1503), and a bearing seat (1505) is connected to the end of the first lead screw (1504). A second displacement groove (1506) is provided on the outer side of the top of the adjusting box (1501), and a first socket seat (1507) is connected to the outer end of the second displacement groove (1506).A second lead screw (1508) is connected to the inner side of the first socket base (1507). The outer end of the second lead screw (1508) is connected to a bearing lifting seat (1509). A second socket base (1510) is connected to the outer side of the bottom of the second lead screw (1508). A third displacement groove (1511) is formed in the outer side of the bottom of the adjustment box (1501). The first lead screw (1504) is rotatably connected to a bearing seat (1505), and the bearing seat (1505) is fixedly connected to a displacement rod (1201). The bearing lifting seat (1509) is sleeved on the displacement rod (1201), and the bearing lifting seat (1509) is threadedly connected to the second lead screw (1508). The second socket base (1510) is sleeved on the second lead screw (1508), and the second socket base (1510) is slidably connected to the third displacement groove (1511).

2. The portable flow manual adjustment device according to claim 1, characterized in that, The left flow regulating seat (7) and the right regulating seat (5) are on the same straight line, the left flow regulating seat (7) is fixedly connected to the first suction pipe (9), and the first suction pipe (9) is in communication with the first suction port (10).

Images