Injection molding apparatus with interlocking high pressure mold

Abstract

The application relates to the technical field of injection molding equipment, and discloses injection molding equipment with linkage high-pressure locking, which comprises a base, the upper surface of the base is fixedly connected with an injection mechanism, the injection mechanism is fixedly connected with a mold closing driving device, the output end of the mold closing driving device is fixedly connected with a mold, an auxiliary air hole is arranged in the mold, an electric push rod is fixedly connected in the mold, the output end of the electric push rod is fixedly connected with a sliding rod, a cleaning head is fixedly connected to the outer wall of the sliding rod, and the sliding rod and the cleaning head are both slidingly connected in the auxiliary air hole. The outer wall of the sliding rod is fixedly connected with the cleaning head, and the surface of the cleaning head is provided with a spiral cleaning groove. Under the driving of the electric push rod, the cleaning head reciprocally slides along the inner wall of the auxiliary air hole, plastic residues and carbon deposits adhered to the hole wall can be effectively scraped off, and the working efficiency is improved; in addition, the cleaning head can close the auxiliary air hole in the unused state, dust is prevented from entering, and the air passage is kept unobstructed.

Description

Technical Field

[0001] This invention relates to the field of injection molding equipment technology, specifically to an injection molding equipment with linked high-pressure clamping. Background Technology

[0002] In injection molding equipment, molds typically have vents (such as exhaust vents and auxiliary demolding vents) to expel air and volatile gases from the mold cavity during injection molding, or to introduce compressed air to assist demolding during mold opening. The location and unobstructed flow of these vents directly affect the molding quality and demolding reliability of the plastic parts. In existing technologies, some injection molding equipment has integrated a pneumatic system within the mold, enabling active venting or blowing demolding through these vents. This reduces defects such as air bubbles, short runs, and sticking to the mold, thereby improving molding efficiency and product yield.

[0003] However, during long-term continuous production, the inner walls of the pores easily accumulate plastic melt residue, carbon deposits from high-temperature decomposition, and impurities such as mold release agents. These deposits gradually accumulate with each production run, causing the pore diameter to decrease or even become completely blocked. Once the pores are blocked, the active venting function fails, and gas in the mold cavity cannot be discharged in time, making the plastic parts prone to problems such as scorching and bubbles. At the same time, the auxiliary blowing demolding function is also affected, and the plastic parts may deform, tear, or stick to the mold due to uneven demolding force. Currently, operators can usually only manually clean the pores with a thin steel wire or special tools after the equipment is stopped. This is not only inefficient and labor-intensive, but also difficult to control precisely in terms of cleaning cycle. Often, the blockage problem is only discovered after molding defects occur, resulting in a batch of defective products. In addition, when not in production, the pores are directly exposed to the environment, and dust and impurities can easily enter the pores, further increasing the risk of blockage. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides an injection molding equipment with linked high-pressure clamping, which solves the problems of pore blockage leading to scorching and bubbles during long-term continuous production; and the inefficiency of operators manually cleaning pores using thin steel wires or special tools.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an injection molding device with linkage high-pressure clamping, comprising a base, an injection mechanism fixedly connected to the upper surface of the base, a mold closing drive device fixedly connected to the injection mechanism, a mold fixedly connected to the output end of the mold closing drive device, an auxiliary air hole provided inside the mold, an electric push rod fixedly connected inside the mold, a slide rod fixedly connected to the output end of the electric push rod, a cleaning head fixedly connected to the outer wall of the slide rod, and both the slide rod and the cleaning head being slidably connected inside the auxiliary air hole.

[0006] Preferably, the injection mechanism includes a plasticizer, the lower surface of which is fixedly connected to the upper surface of the base, and a hopper and a pipeline are fixedly connected to the outer wall of the plasticizer, the pipeline being fixedly connected to the outer wall of the mold.

[0007] Preferably, a connecting plate is fixedly connected to the outer wall of the slide rod, and a piston head is fixedly connected to the outer wall of one side of the connecting plate. An air chamber is opened inside the mold, and the piston head is slidably connected inside the air chamber. The air chamber is connected to an air inlet pipe, and the air inlet pipe is connected to an auxiliary air hole.

[0008] Preferably, a limiting groove is formed inside the mold, and the outer wall of the connecting plate is slidably connected to the inside of the limiting groove.

[0009] Preferably, the mold has an air chamber two inside, and a piston head two is fixedly connected to the connecting plate on the other side. The piston head two is slidably connected inside the air chamber two. The air chamber two is connected to an exhaust pipe one. The exhaust pipe one is connected to an auxiliary air hole. The mold has an air inlet pipe two inside, which is connected to the air chamber two. A one-way valve two is installed inside the air inlet pipe two.

[0010] Preferably, both the intake pipe and the exhaust pipe are equipped with a one-way valve.

[0011] Preferably, a cooling pipe is fixedly connected inside the mold, the cooling pipe is located outside the air chamber, and connectors are fixedly connected to both ends of the cooling pipe.

[0012] Preferably, the mold has a waste bin inside, the lower side of the air chamber is connected to a feeding pipe, and the feeding pipe has a one-way valve inside.

[0013] Preferably, a filter plate is slidably connected inside the waste bin, a groove is provided inside the waste bin, the outer wall of the filter plate is slidably connected inside the groove, and a drain pipe is fixedly connected to the outer wall of the waste bin.

[0014] Preferably, a fixed push rod is fixedly connected to the outer wall of the plasticizer, a guide hole is provided inside the mold, the guide hole communicates with the waste bin, the outer wall of the fixed push rod can fit against the outer wall of the filter plate, a tension spring is fixedly connected to the outer wall of the filter plate, and the outer wall of the tension spring is fixedly connected to the inside of the waste bin.

[0015] This invention provides an injection molding device with linked high-pressure clamping. It has the following beneficial effects: 1. This invention features a cleaning head fixed to the outer wall of a sliding rod, with a spiral cleaning groove on the surface of the cleaning head. Driven by an electric push rod, the cleaning head slides back and forth along the inner wall of the auxiliary air hole, effectively scraping away plastic residue and carbon deposits adhering to the hole wall, thus improving work efficiency. In addition, the cleaning head can seal the auxiliary air hole when not in use to prevent dust from entering and maintain unobstructed airflow.

[0016] 2. In this invention, the electric push rod drives the slide rod and piston head two to slide forward in the air chamber two, compressing the internal air. The compressed air is then blown into the inner wall of the mold cavity through the exhaust pipe one and auxiliary air holes, assisting in the smooth demolding of the plastic part. This structure effectively prevents defects such as sticking and tearing of the plastic part, and improves the problem of damage to the surface of the plastic part during demolding. It is especially suitable for demolding deep cavity, undercut, or low-rigidity plastic parts.

[0017] 3. This invention uses an electric push rod to drive a sliding rod and piston head to slide backward within the air chamber, creating a negative pressure environment. This actively draws air from the mold cavity and volatile gases from the molten plastic into the air chamber through auxiliary air holes and an air inlet pipe. This structure effectively avoids defects such as air bubbles and material shortages in the plastic parts. It is particularly suitable for injection molding of complex cavities, thin-walled plastic parts, and high-viscosity plastics. Furthermore, the suction force generated by the negative pressure helps the melt quickly fill the cavity, significantly improving molding quality and efficiency.

[0018] 4. The mold of this invention is equipped with a spiral cooling pipe inside, which tightly surrounds the outer side of the air chamber, and the mold's own cooling system provides the cold source. When the high-temperature gas containing harmful volatile components of plastic is drawn into the air chamber, it fully exchanges heat with the cooling pipe. The harmful volatile components condense into liquid or solid particles upon cooling and are deposited at the bottom of the air chamber.

[0019] 5. In this invention, the bottom of the gas chamber is connected to a waste bin via a feed pipe. Liquid or solid waste generated during condensation falls into the waste bin under gravity. A filter plate is installed inside the waste bin to achieve solid-liquid separation. During mold opening, the moving mold drives the waste bin to move, while the fixed push rod remains stationary and presses against the filter plate, causing the filter plate to slide and stretch the tension spring. This compresses the solid particulate waste collected on the filter plate surface into blocks, significantly reducing the waste volume and increasing the waste bin's storage capacity. Attached Figure Description

[0020] Figure 1 This is a perspective view of the present invention; Figure 2 This is a schematic diagram of a partial structure of the auxiliary pores of the present invention; Figure 3 This is a cross-sectional view of the internal structure of the mold of the present invention; Figure 4 This is a schematic diagram of a partial structure of the piston head of the present invention; Figure 5 for Figure 4 Enlarged view of point A in the middle; Figure 6 This is a partial structural diagram of the slide bar of the present invention; Figure 7 for Figure 6 Enlarged view of point B in the middle; Figure 8 This is a schematic diagram of a partial structure of the intake pipe of the present invention; Figure 9 This is a partial structural diagram of the filter plate of the present invention; Figure 10 for Figure 9 Enlarged diagram of point C in the middle.

[0021] The components are as follows: 1. Base; 2. Injection mechanism; 201. Plasticizer; 202. Feed hopper; 203. Pipeline; 3. Mold closing drive device; 4. Mold; 5. Auxiliary air hole; 6. Electric push rod; 7. Slide rod; 8. Cleaning head; 9. Air chamber one; 10. Connecting plate; 11. Piston head one; 12. Air inlet pipe one; 13. Air chamber two; 14. Piston head two; 15. Exhaust pipe one; 16. One-way valve one; 17. Cooling pipe; 18. Limiting groove; 19. Waste bin; 20. Feed pipe; 21. One-way valve two; 22. Air inlet pipe two; 23. Filter plate; 24. Drain pipe; 25. Tension spring; 26. Slide groove; 27. Guide hole; 28. Fixed push rod; 29. ​​Connector. Detailed Implementation

[0022] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Please see the appendix Figure 1 -Appendix Figure 10 This invention provides an injection molding equipment with linkage high-pressure clamping, including a base 1. An injection mechanism 2 is fixedly connected to the upper surface of the base 1. A mold closing drive device 3 is fixedly connected to the injection mechanism 2. A mold 4 is fixedly connected to the output end of the mold closing drive device 3. An auxiliary air hole 5 is opened inside the mold 4. An electric push rod 6 is fixedly connected to the inside of the mold 4. A slide rod 7 is fixedly connected to the output end of the electric push rod 6. A cleaning head 8 is fixedly connected to the outer wall of the slide rod 7. The slide rod 7 and the cleaning head 8 are both slidably connected inside the auxiliary air hole 5.

[0024] Specifically, the injection molding equipment with linkage high-pressure clamping provided in this embodiment of the invention includes a base 1, providing a stable installation foundation for the entire equipment. An injection mechanism 2 is fixedly connected to the upper surface of the base 1 via bolts. The output end of the injection mechanism 2 faces the mold closing direction, and its side is connected to a mold closing drive device 3 via welding and bolts. The mold closing drive device 3 adopts a symmetrical arrangement of two hydraulic cylinders. The cylinder bodies of the two hydraulic cylinders are fixed to the side wall of the injection mechanism 2, and the output ends of the piston rods are jointly fixedly connected to the moving mold part of the mold 4. The mold 4 has auxiliary air holes 5 inside, which are evenly distributed along the parting surface of the mold 4. An electric push rod 6 is fixedly connected inside the mold 4 corresponding to the position of each auxiliary air hole 5. The electric push rod 6 can precisely control the extension and retraction stroke. A slide rod 7 is fixedly connected to the output end of the electric push rod 6 via a threaded connection. A cleaning head 8 is fixedly connected to the outer wall of the slide rod 7 via an interference fit. The cleaning head 8 can effectively scrape off the deposits on the inner wall of the auxiliary air holes 5. Both the slide bar 7 and the cleaning head 8 are slidably connected inside the auxiliary air hole 5. In practical applications, the spiral cleaning grooves on the surface of the cleaning head 8 generate a spiral propulsion force during sliding, smoothly carrying away scraped plastic residue and carbon deposits from the auxiliary air hole, preventing residue residue from causing secondary blockage. It also prevents dust from entering the auxiliary air hole 5 when not in use, thus acting as a seal.

[0025] The injection mechanism 2 includes a plasticizer 201, the lower surface of which is fixedly connected to the upper surface of the base 1. The outer wall of the plasticizer 201 is fixedly connected to a hopper 202 and a pipe 203, and the pipe 203 is fixedly connected to the outer wall of the mold 4.

[0026] Specifically, the injection mechanism 2 includes a plasticizer 201. The lower surface of the plasticizer 201 is fixedly connected to the upper surface of the base 1 by anchor bolts. A hopper 202 is fixedly connected to the upper part of the outer wall of the plasticizer 201. The hopper 202 is equipped with a stirring device and a material level sensor to ensure uniform feeding of plastic raw materials and real-time monitoring of the material level. A pipe 203 is fixedly connected to the center of the front end face of the plasticizer 201. The pipe 203 is made of high-temperature and high-pressure resistant alloy steel pipe, and the inner wall is nitrided to improve wear resistance and corrosion resistance. The other end of the pipe 203 is fixedly connected to the center of the outer wall of the fixed mold of the mold 4, and communicates with the main channel inside the mold 4. After the screw inside the plasticizer 201 heats and plasticizes the plastic raw material to a molten state, the molten plastic is injected into the cavity of the mold 4 at high speed through the injection piston via the pipe 203, completing the injection molding process.

[0027] A connecting plate 10 is fixedly connected to the outer wall of the slide rod 7. A piston head 11 is fixedly connected to the outer wall of one side of the connecting plate 10. An air chamber 9 is opened inside the mold 4. The piston head 11 is slidably connected inside the air chamber 9. The air chamber 9 is connected to an air inlet pipe 12. The air inlet pipe 12 is connected to an auxiliary air hole 5.

[0028] Specifically, a connecting plate 10 is welded and fixed to the middle of the outer wall of the slide rod 7. A piston head 11 is bolted to the end of the connecting plate 10 located on one side of the slide rod 7. Two O-rings are provided on the outer circumference of the piston head 11 to ensure good sealing performance. An air chamber 9 is provided inside the mold 4. The air chamber 9 is a cylindrical cavity whose inner diameter matches the outer diameter of the piston head 11, and the piston head 11 is slidably connected inside the air chamber 9. An air inlet pipe 12 is connected to the side wall of the air chamber 9. The other end of the air inlet pipe 12 is connected to the auxiliary air hole 5 near the cavity. After the mold is closed, the electric push rod 6 drives the slide rod 7 to retract away from the cavity. The slide rod 7, through the connecting plate 10, drives the piston head 11 to slide backward within the air chamber 9, creating a negative pressure environment inside the air chamber 9. At this time, the air in the mold cavity 4 and the gas generated by the volatilization of the plastic melt are quickly drawn into the air chamber 9 through the auxiliary air hole 5 and the air inlet pipe 12 under the action of negative pressure, realizing the active exhaust function and effectively avoiding defects such as bubbles and material shortage in the plastic parts.

[0029] It is particularly suitable for injection molding of complex cavities, thin-walled plastic parts, and high-viscosity plastics. The negative pressure environment created by active air extraction generates suction, which helps the molten plastic to quickly fill the cavity.

[0030] A limiting groove 18 is provided inside the mold 4, and the outer wall of the connecting plate 10 is slidably connected to the inside of the limiting groove 18.

[0031] Specifically, the mold 4 has a limiting groove 18 inside that matches the connecting plate 10. The limiting groove 18 is a rectangular through groove, the length of which is greater than the maximum sliding stroke of the connecting plate 10, and the width matches the thickness of the connecting plate 10. The outer wall of the connecting plate 10 is slidably connected to the inside of the limiting groove 18.

[0032] The mold 4 has an air chamber 2 13 inside, and a piston head 2 14 is fixedly connected to the connecting plate 10 on the other side. The piston head 2 14 is slidably connected inside the air chamber 2 13. The air chamber 2 13 is connected to an exhaust pipe 15. The exhaust pipe 15 is connected to an auxiliary air hole 5. The mold 4 has an air inlet pipe 22 inside, which is connected to the air chamber 2 13. A one-way valve 21 is installed inside the air inlet pipe 22.

[0033] Specifically, the mold 4 has an internal air chamber 13. Air chamber 13 and air chamber 9 are symmetrically arranged on both sides of the slide rod 7. A piston head 14 is bolted to the end of the connecting plate 10 on the other side of the slide rod 7. The piston head 14 has the same structure and material as the piston head 11, and its outer circumference is also equipped with two O-ring seals. The piston head 14 is slidably connected to the inside of air chamber 13. An exhaust pipe 15 is connected to the side wall of air chamber 13. An air inlet pipe 22 is also provided inside the mold 4. One end of the air inlet pipe 22 is connected to air chamber 13, and the other end is open to the atmosphere. A one-way valve 21 is installed inside the air inlet pipe 22. The one-way valve 21 adopts a spring-loaded structure, allowing air to flow only from the atmosphere into air chamber 13, and blocking it in the reverse direction. When the electric push rod 6 drives the slide rod 7 to retract and extract air, the connecting plate 10 simultaneously drives the piston head 14 to slide backward within the air chamber 13. At this time, the one-way valve 21 opens, and outside air enters the air chamber 13 through the air inlet pipe 22, replenishing the space inside the air chamber 13. After the plastic part has cooled and solidified, the electric push rod 6 drives the slide rod 7 to extend towards the cavity, and the connecting plate 10 simultaneously drives the piston head 11 and piston head 14 to slide forward. At this time, the air inside the air chamber 13 is compressed by the piston head 14, increasing the pressure. This pressure is then blown towards the inner wall of the mold cavity 4 through the exhaust pipe 15 and the auxiliary air hole 5, assisting in the smooth demolding of the plastic part and effectively preventing defects such as sticking and tearing.

[0034] Both the intake pipe 12 and the exhaust pipe 15 are equipped with a one-way valve 16.

[0035] Specifically, both the intake pipe 12 and the exhaust pipe 15 are equipped with a one-way valve 16. The one-way valve 16 also employs a spring-loaded structure. The one-way valve 16 inside the intake pipe 12 only allows gas to flow from the auxiliary air hole 5 into the air chamber 9, and blocks it from flowing in the reverse direction. The one-way valve 16 inside the exhaust pipe 15 only allows gas to flow from the air chamber 13 into the auxiliary air hole 5, and blocks it from flowing in the reverse direction. By setting two one-way valves 16, the suction and exhaust air paths are effectively isolated, preventing gas in the air chamber 9 from flowing back into the mold cavity during suction, and simultaneously preventing gas in the mold cavity from entering the air chamber 13 during exhaust. This ensures that the active suction and assisted demolding processes can proceed independently and stably without interference. In practical applications, the two one-way valves 16 can completely isolate the suction and exhaust air paths, preventing the gas in the air chamber 9 from flowing back into the mold cavity during the suction process, thus avoiding affecting the suction effect. At the same time, it prevents the gas in the mold cavity from entering the air chamber 13 during the exhaust process, ensuring stable exhaust pressure.

[0036] A cooling pipe 17 is fixedly connected inside the mold 4. The cooling pipe 17 is located outside the air chamber 9, and connectors 29 are fixedly connected to both ends of the cooling pipe 17.

[0037] Specifically, a cooling pipe 17 is fixedly connected inside the mold 4. The cooling pipe 17 spirals around the outside of the air chamber 9, tightly fitting against the outer wall of the air chamber 9 to ensure good heat exchange. Connectors 29 are fixedly connected to both ends of the cooling pipe 17. The connectors 29 adopt a quick-connect structure, which can be easily connected to the cooling system piping of the mold 4 itself to form an independent cooling loop. When high-temperature gas containing harmful volatile gases from plastic enters the air chamber 9, it comes into full contact with the outer wall of the cooling pipe 17. The harmful volatile components in the high-temperature gas condense into liquid or solid particles upon cooling and deposit at the bottom of the air chamber 9. In this way, harmful components in the gas can be effectively removed, preventing harmful gases from being directly emitted into the air and causing environmental pollution. It also prevents harmful gases from corroding internal components of the equipment, extending the service life of the equipment. This cooling structure utilizes the mold's own cooling system to provide the cold source, eliminating the need for additional cooling equipment such as refrigeration units and heat exchangers. It effectively removes harmful substances from the gas by condensing harmful volatile components into liquid or solid particles.

[0038] The mold 4 has a waste bin 19 inside, and the lower side of the air chamber 9 is connected to the feed pipe 20. The feed pipe 20 has a one-way valve 21 inside.

[0039] Specifically, a waste bin 19 is located below the air chamber 9 inside the mold 4. The waste bin 19 has a drawer-type structure, allowing it to be easily pulled out from the side of the mold 4 for cleaning. A discharge pipe 20 is connected to the lowest point of the bottom of the air chamber 9. The lower end of the discharge pipe 20 connects to the top of the waste bin 19. A one-way valve 21 is installed inside the discharge pipe 20. This one-way valve 21 only allows liquid and solid waste to flow from the air chamber 9 into the waste bin 19, and blocks the flow in the reverse direction. When harmful volatile components in the air chamber 9 condense into liquid or solid particles, they fall into the waste bin 19 under gravity through the discharge pipe 20 for collection. The one-way valve 21 prevents waste in the waste bin 19 from flowing back into the air chamber 9 due to equipment vibration or other external forces, ensuring the cleanliness of the air chamber 9.

[0040] A filter plate 23 is slidably connected inside the waste bin 19. A groove 26 is opened inside the waste bin 19. The outer wall of the filter plate 23 is slidably connected inside the groove 26. A drain pipe 24 is fixedly connected to the outer wall of the waste bin 19.

[0041] Specifically, a filter plate 23 is slidably connected inside the waste bin 19. The filter plate 23 only allows liquid waste to pass through. Sliding grooves 26 are symmetrically formed on the inner walls of the left and right sides of the waste bin 19. The sliding grooves 26 are rectangular recesses with a length equal to the internal length of the waste bin 19. The left and right ends of the filter plate 23 are slidably connected to the sliding grooves 26 on both sides. The sliding grooves 26 provide stable sliding guidance for the filter plate 23, ensuring that the filter plate 23 remains horizontal during sliding. A drain pipe 24 is fixedly connected to the bottom side wall of the waste bin 19. One end of the drain pipe 24 connects to the bottom cavity of the waste bin 19, and the other end extends to the outside of the mold 4, connecting to the waste liquid collection device. The liquid waste filtered by the filter plate 23 collects at the bottom of the waste bin 19 under gravity and is discharged through the drain pipe 24 to the external waste liquid collection device for centralized treatment, achieving solid-liquid separation and facilitating subsequent waste treatment and recycling.

[0042] A fixed push rod 28 is fixedly connected to the outer wall of the plasticizer 201. A guide hole 27 is opened inside the mold 4, which connects to the waste bin 19. The outer wall of the fixed push rod 28 can fit against the outer wall of the filter plate 23. A tension spring 25 is fixedly connected to the outer wall of the filter plate 23, and the outer wall of the tension spring 25 is fixedly connected to the inside of the waste bin 19.

[0043] Specifically, a fixed push rod 28 is bolted to the lower part of the front end face of the plasticizer 201. A guide hole 27 is provided inside the moving mold portion of the mold 4. The axis of the guide hole 27 coincides with the axis of the fixed push rod 28, and its diameter is slightly larger than the outer diameter of the fixed push rod 28. One end of the guide hole 27 connects to the side wall of the waste bin 19 near the plasticizer 201, and the other end extends to the outer end face of the moving mold. The outer wall of the fixed push rod 28 can fit against the outer wall of the filter plate 23 near the plasticizer 201. A tension spring 25 is fixedly connected to the outer wall of the filter plate 23 away from the plasticizer 201. The other end of the tension spring 25 is fixedly connected to the inner wall of the waste bin 19 away from the plasticizer 201. When the mold closes, the moving mold of the mold 4 moves towards the fixed mold, and the fixed push rod 28 gradually inserts into the guide hole 27. When the mold is closed, the end of the fixed push rod 28 just contacts the outer wall of the filter plate 23. When the mold opens, the moving mold of the mold 4 moves the waste bin 19, while the fixed push rod 28 remains stationary. At this time, the fixed push rod 28 presses against the filter plate 23, causing the filter plate 23 to slide, and the tension spring 25 is stretched. During the sliding process, the filter plate 23 can compress the solid particulate waste collected on its surface into blocks, reducing the volume of waste and increasing the storage capacity of the waste bin 19. When the mold opening stroke reaches its maximum value, the filter plate 23 slides to the farthest end of the waste bin 19, at which point the compressed solid waste can be easily removed from the waste bin 19. When the mold closes again, the fixed push rod 28 gradually exits the guide hole 27, and the filter plate 23 automatically returns to its initial position under the elastic force of the tension spring 25, ready for the next waste collection and compression operation.

[0044] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A linked high-pressure mold-clamped injection molding apparatus comprising a base (1), characterized in that, An injection mechanism (2) is fixedly connected to the upper surface of the base (1). A mold closing drive device (3) is fixedly connected to the injection mechanism (2). A mold (4) is fixedly connected to the output end of the mold closing drive device (3). An auxiliary air hole (5) is opened inside the mold (4). An electric push rod (6) is fixedly connected to the inside of the mold (4). A slide rod (7) is fixedly connected to the output end of the electric push rod (6). A cleaning head (8) is fixedly connected to the outer wall of the slide rod (7). The slide rod (7) and the cleaning head (8) are both slidably connected inside the auxiliary air hole (5).

2. The injection molding apparatus with linkage high pressure mold locking according to claim 1, wherein, The injection mechanism (2) includes a plasticizer (201), the lower surface of which is fixedly connected to the upper surface of the base (1), and the outer wall of the plasticizer (201) is fixedly connected to a hopper (202) and a pipeline (203), which is fixedly connected to the outer wall of the mold (4).

3. The injection molding equipment with linkage high-pressure clamping according to claim 2, characterized in that, A connecting plate (10) is fixedly connected to the outer wall of the slide rod (7). A piston head (11) is fixedly connected to the outer wall of the connecting plate (10) on one side. An air chamber (9) is opened inside the mold (4). The piston head (11) is slidably connected inside the air chamber (9). The air chamber (9) is connected to an air inlet pipe (12). The air inlet pipe (12) is connected to an auxiliary air hole (5).

4. The injection molding equipment with linkage high-pressure clamping according to claim 3, characterized in that, The mold (4) has a limiting groove (18) inside, and the outer wall of the connecting plate (10) is slidably connected to the inside of the limiting groove (18).

5. The injection molding equipment with linkage high-pressure clamping according to claim 4, characterized in that, The mold (4) has an air chamber two (13) inside. On the other side, the connecting plate (10) is fixedly connected to a piston head two (14). The piston head two (14) is slidably connected inside the air chamber two (13). The air chamber two (13) is connected to an exhaust pipe one (15). The exhaust pipe one (15) is connected to an auxiliary air hole (5). The mold (4) has an air inlet pipe two (22) inside. The air inlet pipe two (22) is connected to the air chamber two (13). The air inlet pipe two (22) is equipped with a one-way valve two (21).

6. The injection molding equipment with linkage high-pressure clamping according to claim 5, characterized in that, Both the intake pipe (12) and the exhaust pipe (15) are equipped with a one-way valve (16).

7. The injection molding equipment with linkage high-pressure clamping according to claim 6, characterized in that, A cooling pipe (17) is fixedly connected inside the mold (4). The cooling pipe (17) is located outside the air chamber (9). Connectors (29) are fixedly connected to both ends of the cooling pipe (17).

8. The injection molding equipment with linkage high-pressure clamping according to claim 7, characterized in that, The mold (4) is equipped with a waste bin (19) inside, and the lower side of the air chamber (9) is connected to a feed pipe (20). The feed pipe (20) is equipped with a one-way valve (21) inside.

9. The injection molding equipment with linkage high-pressure clamping according to claim 8, characterized in that, The waste bin (19) is slidably connected to a filter plate (23), and a groove (26) is provided inside the waste bin (19). The outer wall of the filter plate (23) is slidably connected to the inside of the groove (26), and a drain pipe (24) is fixedly connected to the outer wall of the waste bin (19).

10. The injection molding equipment with linkage high-pressure clamping according to claim 9, characterized in that, A fixed push rod (28) is fixedly connected to the outer wall of the plasticizer (201). A guide hole (27) is opened inside the mold (4). The guide hole (27) is connected to the waste bin (19). The outer wall of the fixed push rod (28) can fit against the outer wall of the filter plate (23). A tension spring (25) is fixedly connected to the outer wall of the filter plate (23). The outer wall of the tension spring (25) is fixedly connected to the inside of the waste bin (19).

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