Injection molding machine with cutting function for recycling modified nylon waste

Abstract

The invention provides a modified nylon waste recovery injection molding machine with a cutting function, and relates to the technical field of injection molding machines, the modified nylon waste recovery injection molding machine comprises a feeding outer cover, the top of the inner side of the feeding outer cover is provided with a feeding inner cover; a fixed support plate is mounted at the top of the feeding inner cover; a refrigeration assembly is mounted on the outer side of the feeding outer cover; a flow guide air pipe is installed at the output end of the bottom of the refrigeration assembly. An air pump is mounted at the bottom of the other outer side of the feeding outer cover, and a connecting pipe is mounted at the bottom of the inner side of the feeding outer cover; and a flow guide pipe is mounted at the side end of the connecting pipe. Through cooperation of the lower guide block and the upper guide block, the cutting tool moves up and down in the rotating process, modified nylon waste wound around the outer side of the rotating rod can be cut off, it is avoided that rotation of the rotating rod is hindered due to waste winding, and the problem that part of modified nylon waste is damaged due to toughness and slender shape is solved. And the cutting wire is easily wound at the root of the cutting tool in the cutting process, so that the normal rotation of the tool is hindered.

Description

Technical Field

[0001] The invention relates to the technical field of injection molding machines, in particular to an injection molding machine with a cutting function for recycling modified nylon waste. Background Art

[0002] Modified nylon is a new type of polymer material obtained by modifying nylon materials. During the processing of modified nylon, scraps and cutting waste will be generated during the molding processes such as injection molding and extrusion. Therefore, the recycled modified nylon waste can be melted again by an injection molding machine and processed into products for use.

[0003] In the prior art, when the injection molding machine is in use, when facing large-volume modified nylon waste, it needs to be pre-processed with the help of a cutting mechanism to facilitate the subsequent melt injection molding process. However, due to its toughness and slender shape, some modified nylon waste is easy to be entangled at the root position of the cutting tool during the cutting process. The entangled modified nylon waste hinders the normal rotation of the tool and may also cause a significant decrease in cutting efficiency, affecting the cutting progress of other modified nylon waste and interfering with the smooth operation of the injection molding machine. Summary of the invention

[0004] The disclosed embodiment relates to an injection molding machine for recycling modified nylon waste with a cutting function, so as to solve the problem that some modified nylon waste is easily entangled at the root position of the cutting tool during the cutting process due to its toughness and slender shape. The entangled modified nylon waste hinders the normal rotation of the tool and may also cause a significant decrease in cutting efficiency, affecting the cutting progress of other modified nylon waste and interfering with the smooth operation of the injection molding machine.

[0005] According to a first aspect of the present disclosure, there is provided an injection molding machine for recycling modified nylon waste with a cutting function, which specifically comprises: a feed outer cover and an injection molding body, wherein the bottom of the feed outer cover is a conical structure, the bottom of the feed outer cover is installed on the top of the injection molding body, and a feed inner cover is installed on the inner top of the feed outer cover; a fixed support plate is installed on the top of the feed inner cover, wherein a driving motor is installed on the top of the fixed support plate; a refrigeration assembly is installed on the outer side of the feed outer cover; a guide air pipe is installed on the output end of the bottom of the refrigeration assembly; the guide air pipe passes through the outer side of the feed outer cover and an air intake hood is installed; an air pump is installed on the other outer bottom of the feed outer cover, and a connecting pipe is installed on the inner bottom of the feed outer cover; a guide pipe is installed on the side end of the connecting pipe, wherein the side end of the guide pipe is connected to the output end of the air pump at the other outer bottom of the feed outer cover.

[0006] Furthermore, three partitions are arranged on the inner side of the feed inner cover; the partitions are circular structures, and openings of different diameters are respectively opened on the three partitions, and the openings of the three partitions are arranged in a gradually decreasing order from top to bottom; a rotating rod is installed on the output end of the driving motor at the top of the fixed support plate; a rotating plate is installed on the outer side of the rotating rod; and the rotating plate is rotatably installed in the middle position of the partition.

[0007] Furthermore, a positioning cover is installed on the outer side of the rotating rod, wherein a blade is provided on the outer side of the positioning cover; a positioning plate is installed on the top of the rotating rod; a spring is installed on the bottom of the positioning plate, and a movable plate is installed on the bottom of the positioning plate through the spring; the movable plate is slidably installed on the outer side of the rotating rod, and a connecting rod is installed on the bottom of the movable plate.

[0008] Furthermore, the connecting rod passes through the bottom of the sliding rotating plate, and a cutting tool is installed on the outside of the connecting rod; the cutting tool passes through the bottom of the sliding positioning cover; two upper guide blocks are installed at the bottom of the feed inner cover, wherein the upper guide blocks are arc-shaped structures; rotating bottom plates are installed at the bottom of the two connecting rods; a lower guide block is provided on the top of the rotating bottom plate; the lower guide block is slidably installed on the outside of the upper guide block.

[0009] Furthermore, a circulation cavity is opened inside the rotating rod, and guide grooves are opened on the outer sides of the top and bottom of the rotating rod, and an air outlet groove is opened on the outer side of the rotating rod; the inner sides of the guide groove and the air outlet groove are connected to the circulation cavity.

[0010] Furthermore, the air inlet hood is installed at the bottom of the rotating rod; the guide groove below is located inside the air inlet hood; a cooling cavity is opened inside the positioning hood and the blade outside it; and the air outlet groove is connected to the inside of the cooling cavity.

[0011] Furthermore, a return pipe is installed on the input end of the top of the refrigeration component; the return pipe passes through the side of the fixed support plate and is installed with an air outlet hood; the air outlet hood is installed on the outside of the rotating rod; and the guide groove above is located inside the air outlet hood.

[0012] Furthermore, a circulation pipe is connected to the outer side of the connecting pipe; the circulation pipe is an annular structure with different diameters, an opening is opened on the top of the circulation pipe, and the circulation pipe is located at the inner bottom of the feed outer cover; a storage box is installed on the outer side of the feed outer cover.

[0013] Furthermore, the bottom of the storage box is connected to the top of the guide pipe, and a positioning inner plate is installed on the inner side of the storage box; a diversion rotating wheel is rotatably installed on the positioning inner plate; a groove is provided on the outer side of the diversion rotating wheel, and a plurality of evenly distributed storage tanks are provided on the outer side of the diversion rotating wheel; a transmission vertical rod is rotatably installed on the bottom of the positioning inner plate.

[0014] Furthermore, the transmission vertical rod is a cylindrical structure, and the bottom of the transmission vertical rod is rotatably installed inside the guide tube, fan blades are provided on the outer side of the bottom of the transmission vertical rod, the fan blades are inside the guide tube, and a lever is provided on the outer side of the top of the transmission vertical rod; the lever is rotatably installed on the outside of the diversion rotating wheel.

[0015] The present invention provides an injection molding machine for recycling modified nylon waste with a cutting function, which has the following beneficial effects: When the present invention is in use, when the cutting tool rotates synchronously with the rotating rod, the cooperation of the lower guide block and the upper guide block enables the cutting tool to move up and down during the rotation process, so as to cut off the modified nylon waste wound around the outer side of the rotating rod, thereby avoiding the problem of waste winding hindering the operation of the rotating rod, and significantly improving the rotation speed of the rotating rod, thereby accelerating the continuous cutting of the modified nylon, shortening the cutting time, and allowing the modified nylon to quickly enter the injection molding body for injection molding after cutting, thereby improving the production efficiency of the modified nylon. At the same time, after the rotation speed of the rotating rod is increased, the energy waste caused by shutdown cleaning is reduced, the risk of operators directly contacting high-speed running parts or sharp cutting tools is reduced, and the operation safety is improved.

[0016] In addition, through the connection between the guide groove and the circulation cavity, the refrigeration airflow generated by the refrigeration component enters the interior of the cooling cavity evenly, so that the refrigeration airflow cools the blade on the outside of the positioning cover. During the cutting process, the blade is prevented from locally melting the modified nylon due to frictional heat generated during high-speed cutting, and the molten material is prevented from adhering to the blade surface, thereby ensuring the sharpness of the blade and the smoothness of cutting, inhibiting the adhesion of the modified nylon melt, reducing the frequency of replacing the cutting tool, extending the service life of the blade, reducing maintenance costs, preventing the modified nylon from softening and deforming during the cutting process, and reducing the flow rate of the modified nylon affected by adhesion, thereby improving the production efficiency of the modified nylon. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0018] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0019] In the attached picture: Figure 1 A schematic diagram showing the overall structure of the present application; Figure 2 The cross-sectional structure diagram of the feed cover of the present application is shown; Figure 3 The cross-sectional structure diagram of the feed inner cover of the present application is shown; Figure 4 A schematic diagram of the three-dimensional structure of the connecting rod of the present application is shown; Figure 5A schematic cross-sectional structure diagram of the air intake hood of the present application is shown; Figure 6 A schematic cross-sectional structure diagram of a positioning cover of the present application is shown; Figure 7 A schematic diagram of the three-dimensional structure of the circulation pipe of the present application is shown; Figure 8 A schematic diagram of the cross-sectional structure of the storage tank of the present application is shown; Fig. 9 A schematic diagram of the three-dimensional structure of the transmission vertical rod of the present application is shown; Reference numerals list 1. Feed outer cover; 101. Feed inner cover; 102. Fixed support plate; 103. Partition plate; 104. Rotating rod; 105. Rotating plate; 106. Positioning cover; 107. Positioning plate; 108. Movable plate; 109. Connecting rod; 1010. Cutting tool; 1011. Upper guide block; 1012. Rotating bottom plate; 1013. Lower guide block; 2. Refrigeration assembly; 201. Air guide pipe; 202. Air inlet cover; 203. Flow cavity; 204. Air guide groove; 205. Air outlet groove; 206. Cooling cavity; 207. Return pipe; 208. Air outlet cover; 3. Connecting pipe; 301. Circulating pipe; 302. Guide pipe; 303. Storage box; 304. Positioning inner plate; 305. Diverter rotating wheel; 306. Transmission vertical rod; 307. Push rod; 4. Injection molding body. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment 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.

[0021] Please refer to Figures 1 to 9 : Embodiment 1: The present invention proposes an injection molding machine for recycling modified nylon waste with a cutting function, comprising: a feed outer cover 1 and an injection molding body 4, the bottom of the feed outer cover 1 is a conical structure, the bottom of the feed outer cover 1 is installed on the top of the injection molding body 4, and a feed inner cover 101 is installed on the inner top of the feed outer cover 1; a fixed support plate 102 is installed on the top of the feed inner cover 101, wherein a driving motor is installed on the top of the fixed support plate 102; three partitions 103 are arranged on the inner side of the feed inner cover 101; the partition 103 is a circular structure, and openings of different diameters are respectively opened on the three partitions 103, and the openings of the three partitions 103 are arranged in a gradually decreasing order from top to bottom; a rotating rod 104 is installed on the output end of the driving motor on the top of the fixed support plate 102; a rotating plate 105 is installed on the outer side of the rotating rod 104; the rotating plate 105 is rotatably installed at the middle position of the partition 103; the outer side of the rotating rod 104 is installed There is a positioning cover 106, wherein a blade is provided on the outer side of the positioning cover 106; a positioning plate 107 is installed on the top of the rotating rod 104; a spring is installed on the bottom of the positioning plate 107, and a movable plate 108 is installed on the bottom of the positioning plate 107 through the spring; the movable plate 108 is slidably installed on the outer side of the rotating rod 104, and a connecting rod 109 is installed on the bottom of the movable plate 108; the connecting rod 109 passes through the bottom of the sliding rotating plate 105, and a cutting tool 1010 is installed on the outer side of the connecting rod 109; the cutting tool 1010 passes through the bottom of the sliding positioning cover 106; two upper guide blocks 1011 are installed at the bottom of the feeding inner cover 101, wherein the upper guide block 1011 is an arc structure; a rotating bottom plate 1012 is installed at the bottom of the two connecting rods 109; a lower guide block 1013 is provided on the top of the rotating bottom plate 1012; the lower guide block 1013 is slidably installed on the outer side of the upper guide block 1011.

[0022] In the disclosed embodiment, when the recycled modified nylon waste is subjected to injection molding, the recycled modified nylon is put into the interior of the feed inner cover 101, and the driving motor on the top of the fixed support plate 102 drives the rotating rod 104 to drive the rotating plate 105 to rotate in the middle position of the partition 103, and the rotating rod 104 drives the blade on the outside of the positioning cover 106 to cut the recycled modified nylon, and the blade on the outside of the upper positioning cover 106 cuts the modified nylon and falls through the opening on the partition 103 to cut the lower area in the same way, so that the diameter of the cut modified nylon is reduced and flows through the three partitions 103 in turn to the interior of the feed outer cover 1, and then enters the injection molding body 4 for injection molding. During the rotation of the rotating rod 104, the rotating plate 105 positions the two connecting rods 109, and the movable plate 108 on the top of the connecting rod 109 is on the positioning plate When the lower guide block 1013 leaves the upper guide block 1011, it moves upward under the action of the spring, so that the connecting rod 109 drives the outer cutting tool 1010 to move up and down on the outer side of the rotating rod 104, and the cutting tool 1010 cuts the modified nylon wrapped around the rotating rod 104, preventing the wrapped modified nylon waste from affecting the efficiency of the rotating rod 104 driving the blade to cut the modified nylon, thereby improving the rotation speed of the blade, and quickly cutting the modified nylon, so that the cut modified nylon flows downward for easy injection molding.

[0023] Embodiment 2, on the basis of embodiment 1, a refrigeration assembly 2 is installed on the outside of the feed cover 1; a guide air pipe 201 is installed on the output end at the bottom of the refrigeration assembly 2; the guide air pipe 201 passes through the outside of the feed cover 1 and an air inlet cover 202 is installed; a flow cavity 203 is opened inside the rotating rod 104, and a guide groove 204 is opened on the top and bottom of the rotating rod 104, and an air outlet groove 205 is opened on the outside of the rotating rod 104; the inner sides of the guide groove 204 and the air outlet groove 205 are connected to the flow cavity 203; the feed The air hood 202 is installed at the bottom of the rotating rod 104; the guide groove 204 below is inside the air inlet hood 202; the positioning hood 106 and the blade outside it are provided with a cooling chamber 206; the air outlet groove 205 is connected to the inside of the cooling chamber 206; a return pipe 207 is installed on the input end of the top of the refrigeration component 2; the return pipe 207 passes through the side of the fixed support plate 102 and is provided with an air outlet hood 208; the air outlet hood 208 is installed on the outside of the rotating rod 104; the guide groove 204 above is inside the air outlet hood 208, When the recycled modified nylon waste is injection molded, the rotating rod 104 rotates inside the air inlet cover 202 and the air outlet cover 208, and the refrigeration airflow generated by the refrigeration component 2 enters the interior of the air inlet cover 202 through the guide air pipe 201, and the airflow enters the interior of the flow cavity 203 through the guide groove 204 below. The airflow inside the flow cavity 203 enters the interior of the cooling cavity 206 inside the positioning cover 106 through multiple air outlet grooves 205. The refrigeration airflow cools the blade outside the positioning cover 106 to prevent During the cutting process, the heat of the blade causes the modified nylon to melt and affect the sharpness of the blade. This ensures that the blade can quickly cut the modified nylon waste and prevents the modified nylon from melting and causing adhesion. The airflow inside the circulation cavity 203 continues to flow upward through the guide groove 204 above and flows to the inside of the air outlet hood 208. The airflow enters the interior of the refrigeration component 2 through the return pipe 207 for further refrigeration treatment, reducing the power consumption of the refrigeration air of the refrigeration component 2 and allowing the refrigeration airflow to circulate, ensuring efficient cutting of the modified nylon waste.

[0024] Embodiment 3, on the basis of embodiment 1, an air pump is installed at the other outer bottom of the feed cover 1, and a connecting pipe 3 is installed at the inner bottom of the feed cover 1; a guide pipe 302 is installed at the side end of the connecting pipe 3, wherein the side end of the guide pipe 302 is connected to the output end of the air pump at the other outer bottom of the feed cover 1; a circulation pipe 301 is connected to the outer side of the connecting pipe 3; the circulation pipe 301 is an annular structure of different diameters, an opening is opened on the top of the circulation pipe 301, and the circulation pipe 301 is located at the inner bottom of the feed cover 1; a storage box 303 is installed on the outer side of the feed cover 1; the storage box 303 The bottom of the tank 303 is connected to the top of the guide tube 302, and a positioning inner plate 304 is installed on the inner side of the storage box 303; a diversion rotating wheel 305 is rotatably installed on the positioning inner plate 304; a groove is provided on the outer side of the diversion rotating wheel 305, and a plurality of evenly distributed storage tanks are provided on the outer side of the diversion rotating wheel 305; a transmission vertical rod 306 is rotatably installed on the bottom of the positioning inner plate 304; the transmission vertical rod 306 is a cylindrical structure, and the bottom of the transmission vertical rod 306 is rotatably installed inside the guide tube 302, and a fan blade is provided on the outer side of the bottom of the transmission vertical rod 306, and the fan blade is located at the guide tube 302. The lever 307 is rotatably mounted on the outside of the diverter rotating wheel 305. When the recycled modified nylon waste is subjected to injection molding, the air pump on the outside of the feed cover 1 works, and the hot air flow generated by the air pump enters the inside of the connecting pipe 3 through the guide pipe 302, so that the hot air flow is diverted to the inside of the circulation pipe 301, and the hot air flow flows out through the opening at the top of the circulation pipe 301 to heat the crushed modified nylon waste. When the air flow flows inside the guide pipe 302, the air flow drives the bottom of the transmission vertical rod 306 to The fan blades on the outside of the part rotate, the transmission vertical rod 306 drives the lever 307 to rotate, and the lever 307 drives the diverter rotating wheel 305 to rotate on the positioning inner plate 304 inside the storage box 303. The storage box 303 stores silicone, polyether and other defoaming agents. The defoaming agents rotate through the grooves on the outside of the diverter rotating wheel 305 and fall into the inside of the guide pipe 302. The airflow carries the defoaming agents and flows out through the openings on the circulation pipe 301, so that the defoaming agents can cooperate with the heating of the modified nylon to solve the problem of bubbles in the modified nylon during the injection molding process, thereby further improving the injection molding quality of the modified nylon.

[0025] The working principle of this embodiment is as follows: when in use, the recycled modified nylon is put into the feed inner cover 101, and the driving motor on the top of the fixed support plate 102 drives the rotating rod 104 to drive the blade on the outside of the positioning cover 106 to cut the modified nylon. After the modified nylon is cut, it falls into the lower area through the opening on the partition 103 and is cut again. The diameter of the cut modified nylon is reduced and flows through the three partitions 103 into the feed outer cover 1 and then enters the injection molding body 4 for injection molding. During the rotation of the rotating rod 104, the rotating plate 105 positions the two connecting rods 109. The movable plate 108 at the top of the connecting rod 109 moves upward under the traction of the spring, and the bottom of the connecting rod 109 drives the lower guide block 1013 at the top of the rotating bottom plate 1012 to move downward when it contacts the upper guide block 1011, and the rotating bottom plate 1012 drives the connecting rod 109 to move downward, and the lower guide block 1013 moves upward under the action of the spring when it leaves the upper guide block 1011, and the connecting rod 109 drives the outer cutting tool 1010 to move up and down on the outer side of the rotating rod 104 to cut the wound modified nylon, and at the same time, the refrigeration component 2 produces The generated refrigeration airflow enters the air inlet hood 202 through the guide air pipe 201, and the airflow enters the circulation cavity 203 through the guide groove 204 at the bottom. The airflow inside the circulation cavity 203 enters the cooling cavity 206 through multiple outlet grooves 205 to refrigerate the blade outside the positioning hood 106 to ensure the sharpness of the blade. The airflow continues to flow upward through the guide groove 204 above and flows into the outlet hood 208. It flows back through the return pipe 207 to the refrigeration component 2 for further refrigeration and circulation. The air pump outside the feed outer cover 1 generates The hot air flow enters the connecting pipe 3 through the guide pipe 302 and then is diverted to the circulation pipe 301. When the air flow flows inside the guide pipe 302, it drives the fan blades on the outer side of the bottom of the transmission vertical rod 306 to rotate. The transmission vertical rod 306 drives the lever 307 to turn the diversion rotating wheel 305 to rotate and divert the defoaming agent stored in the storage box 303 into the guide pipe 302. The air flow carries the defoaming agent and flows out through the openings on the circulation pipe 301. The defoaming agent cooperates with the heating of the modified nylon to reduce the problem of bubbles in the injection molding process, thereby improving the injection molding quality of the modified nylon.

[0026] In this article, there are a few points to note: 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0027] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0028] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. An injection molding machine for recycling modified nylon waste with cutting function, comprising: A feed outer cover (1) and an injection molding body (4), wherein the bottom of the feed outer cover (1) is mounted on the top of the injection molding body (4), and a feed inner cover (101) is mounted on the inner top of the feed outer cover (1); characterized in that a fixed support plate (102) is mounted on the top of the feed inner cover (101), wherein a drive motor is mounted on the top of the fixed support plate (102), and a rotating rod (104) is mounted on the output end of the drive motor; a positioning plate (107) is mounted on the top of the rotating rod (104); a spring is mounted on the bottom of the positioning plate (107), and a movable plate (108) is mounted on the bottom of the positioning plate (107) via the spring; the movable plate (108) is slidably mounted on the outer side of the rotating rod (104), A connecting rod (109) is installed at the bottom of the movable plate (108); a cutting tool (1010) is installed on the outside of the connecting rod (109); a refrigeration assembly (2) is installed on the outside of the feed outer cover (1); a guide air pipe (201) is installed on the output end of the bottom of the refrigeration assembly (2); the guide air pipe (201) passes through the outside of the feed outer cover (1) and an air intake cover (202) is installed; an air pump is installed at the other outer bottom of the feed outer cover (1), and a connecting pipe (3) is installed at the inner bottom of the feed outer cover (1); a guide pipe (302) is installed at the side end of the connecting pipe (3), wherein the side end of the guide pipe (302) is connected to the output end of the air pump at the other outer bottom of the feed outer cover (1).

2. The modified nylon waste recycling injection molding machine with cutting function according to claim 1, characterized in that: Three partitions (103) are arranged on the inner side of the feed inner cover (101); the three partitions (103) are respectively provided with openings of different diameters, and the openings provided on the three partitions (103) are arranged to gradually decrease from top to bottom; a rotating plate (105) is installed on the outer side of the rotating rod (104); the rotating plate (105) is rotatably installed in the middle position of the partition (103).

3. The modified nylon waste recycling injection molding machine with cutting function according to claim 2, characterized in that: A positioning cover (106) is installed on the outer side of the rotating rod (104), wherein a blade is provided on the outer side of the positioning cover (106); the connecting rod (109) passes through the bottom of the sliding rotating plate (105); and the cutting tool (1010) passes through the bottom of the sliding positioning cover (106).

4. The modified nylon waste recycling injection molding machine with cutting function according to claim 3, characterized in that: Two upper guide blocks (1011) are installed at the bottom of the feed inner cover (101); rotating bottom plates (1012) are installed at the bottom of the two connecting rods (109); a lower guide block (1013) is provided at the top of the rotating bottom plate (1012); and the lower guide block (1013) is slidably installed on the outside of the upper guide block (1011).

5. The modified nylon waste recycling injection molding machine with cutting function according to claim 4, characterized in that: A circulation cavity (203) is provided inside the rotating rod (104), guide grooves (204) are provided on the outside of the top and bottom of the rotating rod (104), and an air outlet groove (205) is provided on the outside of the rotating rod (104); the inner sides of the guide grooves (204) and the air outlet grooves (205) are connected to the circulation cavity (203).

6. The modified nylon waste recycling injection molding machine with cutting function according to claim 5, characterized in that: The air inlet hood (202) is installed at the bottom of the rotating rod (104); the guide groove (204) below is located inside the air inlet hood (202); a cooling cavity (206) is provided inside the positioning hood (106) and the blade outside the positioning hood (106); and the air outlet groove (205) is connected to the inside of the cooling cavity (206).

7. The modified nylon waste recycling injection molding machine with cutting function according to claim 6, characterized in that: A return pipe (207) is installed on the input end at the top of the refrigeration assembly (2); an air outlet hood (208) is installed on the side of the return pipe (207) that passes through the fixed support plate (102); the air outlet hood (208) is installed on the outside of the rotating rod (104); and the guide groove (204) at the top is located inside the air outlet hood (208).

8. The modified nylon waste recycling injection molding machine with cutting function according to claim 7, characterized in that: The outer side of the connecting pipe (3) is connected to a circulation pipe (301); an opening is provided at the top of the circulation pipe (301), and the circulation pipe (301) is located at the inner bottom of the feed outer cover (1); and a storage box (303) is installed on the outer side of the feed outer cover (1).

9. The modified nylon waste recycling injection molding machine with cutting function according to claim 8, characterized in that: The bottom of the storage box (303) is connected to the top of the guide pipe (302), and a positioning inner plate (304) is installed on the inner side of the storage box (303); a flow-dividing rotating wheel (305) is rotatably installed on the positioning inner plate (304); a groove is provided on the outer side of the flow-dividing rotating wheel (305), and a plurality of evenly distributed storage tanks are provided on the outer side of the flow-dividing rotating wheel (305); and a transmission vertical rod (306) is rotatably installed on the bottom of the positioning inner plate (304).

10. The modified nylon waste recycling injection molding machine with cutting function according to claim 9, characterized in that: The bottom of the transmission vertical rod (306) is rotatably mounted inside the flow guide tube (302); a fan blade is provided on the outside of the bottom of the transmission vertical rod (306); the fan blade is located inside the flow guide tube (302); and a lever (307) is provided on the outside of the top of the transmission vertical rod (306); the lever (307) is rotatably mounted on the outside of the diversion rotating wheel (305).

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