A hot melt apparatus for modifying plastic processing

Abstract

This invention belongs to the field of plastic processing technology, specifically a hot melt equipment for processing modified plastics. It includes a hot melt machine body, a guide frame mounted on its upper end, and a processing cylinder fixedly connected to the upper end of the guide frame. A base is fixedly connected to the lower end of the hot melt machine body. A conveying cylinder is fixedly connected to one side of the hot melt machine body. A sealing plate is installed on one side of the conveying cylinder, and several through holes are opened on one side of the sealing plate for extruding plastic granules. A feeding port is opened on one side of the processing cylinder, and two flip-top covers are rotatably connected to the inner cavity of the feeding port. A plastic processing component is rotatably connected to the inner cavity of the processing cylinder. This invention solves the problem that in existing hot melt equipment, when processing modified plastic films, some of the shredded plastic film becomes entangled around the outside of the cutting blade's rotating shaft. If not cleaned in time, the entanglement on the outside of the shaft increases, affecting the rotation efficiency of the shaft and the subsequent film cutting efficiency.

Description

Technical Field

[0001] This invention belongs to the field of plastic processing technology, specifically a hot melt equipment for processing modified plastics. Background Technology

[0002] Modified plastics are materials formed by processing high molecular weight synthetic resins as the main component, which are plastic or cured and cross-linked. Plastics are mainly composed of synthetic resins and various additives, including plasticizers, stabilizers, antioxidants, etc. They together determine the performance and application range of plastics. When processing plastics, hot melt equipment is usually used to crush the plastics, then heat and melt them, and then extrude them to produce plastic granules.

[0003] A patent with publication number CN113910494B discloses a hot-melt device for recycling and reprocessing waste plastics. This device uses a first rotating shaft to drive a first and a second stirring rod to rotate, thereby agitating and cleaning the plastic inside the cleaning tank. The wastewater is then filtered through a filter plate and activated carbon. A heating device hot-melts the plastic, and the hot-melted plastic is extruded as the feeding screw rotates. A first motor drives the first rotating shaft and a rotating wheel mounted on its upper end to rotate, thereby feeding the first feeding plate. The position is changed to achieve intermittent feeding of waste feed. The rotation of the first rotating shaft drives the first and second stirring rods to rotate, thereby agitating and cleaning the waste plastic inside the washing tank, eliminating the need for manual cleaning and saving time and effort. The heating device is then activated, and the plastic inside the hot melt box is melted through the aluminum heat-conducting plate. Then, the rotation of the third motor drives the feeding screw to rotate, thereby feeding and extruding the melted plastic, which facilitates the subsequent reuse of waste plastic.

[0004] The above solution still has some problems in practical application. When processing plastics, a rotating shaft is usually used to drive multiple cutting blades to cut and crush the modified plastic film. However, after the plastic film is partially shredded, it will wrap around the outside of the rotating shaft. If it is not cleaned in time, more and more will wrap around the outside of the rotating shaft, which will affect the rotation efficiency of the rotating shaft and the cutting efficiency of the subsequent film. If the machine is stopped at this time to clean the plastic film wrapped around the outside of the rotating shaft, it will not only waste the processing time of the plastic film, but also pose a safety hazard to the workers who are cleaning the film wrapped around the outside of the rotating shaft due to the influence of the blades.

[0005] Therefore, the present invention provides a hot melt apparatus for processing modified plastics. Summary of the Invention

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by the present invention to solve its technical problem is as follows: The hot melt equipment for modified plastic processing of the present invention includes a hot melt machine body, a guide frame installed on its upper end, and a processing cylinder fixedly connected to the upper end of the guide frame. A base is fixedly connected to the lower end of the hot melt machine body. A conveying cylinder is fixedly connected to one side of the hot melt machine body. A sealing plate is installed on one side of the conveying cylinder, and several through holes are opened on one side of the sealing plate for extruding plastic granules. A feeding port is opened on one side of the processing cylinder. Two flip-top covers are rotatably connected to the inner cavity of the feeding port. A plastic processing component is rotatably connected to the inner cavity of the processing cylinder.

[0008] Furthermore, the plastic processing component includes a rotating column rotatably connected to the rotating column, a rotating groove inside the rotating column, a bidirectional lead screw rotatably connected to the inner cavity of the rotating groove, two sliding discs externally threaded to the bidirectional lead screw, and a first cutting blade fixedly connected to the outside of the two sliding discs. Multiple second cutting blades are fixedly connected to the outside of both ends of the rotating column, and the first cutting blades cooperate with the second cutting blades to cut and recycle the plastic film wrapped around the outside of the rotating column.

[0009] The rotating column has four sets of blades arranged in a ring around its exterior. Each set of blades consists of multiple blade arrays, and the four sets of blades are staggered to increase the efficiency of cutting modified plastics.

[0010] Preferably, one end of the bidirectional lead screw is fixedly connected to a plug, and a mounting plate is installed on one side of the processing cylinder, with the plug and the mounting plate being inserted into each other.

[0011] Preferably, a drive assembly is provided through the processing cylinder at one end of the rotating column. The drive assembly includes a driven pulley fixed to one end of the rotating column, a belt externally connected to the driven pulley, and a drive pulley externally connected to one end of the belt.

[0012] Preferably, the transmission pulley has multiple toothed blocks arranged in a ring on its outer side, and the transmission pulley is rotatably connected to the guide frame. A transmission gear is meshed with the outer side of the transmission pulley, and a drive motor is installed inside one side of the guide frame. The output shaft end of the drive motor is fixedly connected to the transmission gear.

[0013] Preferably, the transmission gear is meshed with a second gear, and the second gear is rotatably connected to the guide frame. The second gear is meshed with a first gear, and the first gear is rotatably connected to the guide frame.

[0014] Preferably, an intermittent locking block is fixedly connected to one end of both the transmission pulley and the first gear, and a U-shaped rotating sleeve is rotatably connected to the outside of the intermittent locking block. A semi-circular rotating cover is fixedly connected to one side of the U-shaped rotating sleeve.

[0015] Preferably, the U-shaped rotating sleeve is rotatably connected to the inner wall of the guide frame, and the inner wall of the U-shaped rotating sleeve is provided with an elastic element.

[0016] Preferably, the semi-circular rotating cover is rotatably connected to the inner cavity of the guide frame. One end of the semi-circular rotating cover is fixedly connected to a rotating shaft, and the rotating shaft is rotatably connected to the inside of the guide frame. A fixed plate is fixedly connected to the outside of the rotating shaft. A torsion spring is fixedly connected to one side of the fixed plate, and one end of the torsion spring is fixedly connected to the inside of the guide frame.

[0017] Preferably, a servo motor is installed on one side of the hot melt machine body, and the output shaft end of the servo motor passes through the hot melt machine body and is fixedly connected to a conveying auger, which is rotatably installed with a sealing plate.

[0018] Preferably, a granulation knife is installed at one end of the conveying auger, and the granulation knife is in contact with the sealing plate, which can cut the plastic solution extruded from the sealing plate for granulation.

[0019] The beneficial effects of this invention are as follows:

[0020] 1. The hot-melt equipment for processing modified plastics of the present invention involves feeding a modified plastic film into the inner cavity of the feeding port, simultaneously driving a rotating column to rotate, which in turn drives four sets of blades to rotate synchronously. This rapidly cuts and pulverizes the modified plastic film fed into the inner cavity of the processing cylinder. The staggered arrangement of the blades allows for the cutting and pulverizing of different plastics. During the rotation of the rotating column, a sliding plate is also driven to rotate synchronously, and the sliding plate is threadedly connected to a bidirectional lead screw for reciprocating sliding, thereby driving the first cutting blade to move synchronously. After the sliding plate drives the first cutting blade to both ends of the rotating column, the first cutting blade contacts the second cutting blade, thereby cutting the modified plastic film wrapped around the outside of the rotating column. The first cutting blade has two cutting edges, which, during the movement of the driving sliding plate closer together, causes the first cutting blade to move closer together, further cutting the modified plastic film. This avoids excessive plastic film wrapped around the outside of the rotating column, which would affect the rotation of the rotating column and reduce the efficiency of cutting and pulverizing the plastic film.

[0021] 2. The hot melt equipment for modified plastic processing described in this invention drives a transmission gear to mesh with a second gear to rotate, which in turn drives a first gear to rotate. Simultaneously, the transmission gear, in conjunction with a toothed block, drives a transmission pulley to rotate. This, in turn, causes the transmission pulley and the first gear to drive an intermittent locking block to rotate. After rotating one revolution, the intermittent locking block abuts against the elastic element on the inner wall of the U-shaped rotating sleeve, thereby driving the U-shaped rotating sleeve to rotate. At the same time, it causes the semi-circular rotating cover to open intermittently, so as to realize intermittent feeding of material into the inner cavity of the hot melt machine body. This avoids feeding a large amount of plastic film into the inner cavity of the hot melt machine body at one time, which would make it difficult for the inner cavity of the hot melt machine body to heat and melt a large amount of plastic film quickly, affecting the manufacturing quality of subsequent plastic granules. This would result in defects such as bubbles and cracks inside the workpiece when using plastic granules for injection molding because there is unmelted plastic film inside the plastic granules. Attached Figure Description

[0022] The invention will now be further described with reference to the accompanying drawings.

[0023] Figure 1 This is a schematic diagram of the overall structure of the main view of the present invention;

[0024] Figure 2 This is a rear-view stereoscopic structural schematic diagram of the present invention;

[0025] Figure 3 This is a schematic diagram of the overall structure of the processing cylinder of the present invention;

[0026] Figure 4 This is a schematic diagram of the half-section structure of the main body of the hot melt machine of the present invention;

[0027] Figure 5 This is a schematic diagram of the overall structure of the rotating column of the present invention;

[0028] Figure 6 This is a schematic diagram of the half-section structure of the rotating column of the present invention;

[0029] Figure 7 This is a schematic diagram of the assembly structure of the drive component of the present invention;

[0030] In the diagram: 1. Base; 2. Hot melt machine body; 3. Servo motor; 4. Guide frame; 5. Processing cylinder; 6. Feeding port; 7. Flip cover; 8. Drive assembly; 81. Driven pulley; 82. Belt; 83. Transmission pulley; 84. Transmission gear; 85. First gear; 86. Intermittent clamping block; 87. Drive motor; 88. Second gear; 9. Conveying cylinder; 10. Sealing plate; 11. Mounting plate; 12. Rotating column; 13. Blade; 14. Bidirectional lead screw; 15. Insert block; 16. Rotating groove; 17. Sliding plate; 18. U-shaped rotating sleeve; 19. Semi-circular rotating cover; 20. Elastic element; 21. Rotating shaft; 22. Fixed plate; 23. Torsion spring; 24. Granulating knife; 25. First cutting knife; 26. Second cutting knife; 27. Conveying auger. Detailed Implementation

[0031] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0032] Example 1: As Figures 1 to 7 As shown in the embodiment of the present invention, a hot melt equipment for processing modified plastics includes a hot melt machine body 2, a guide frame 4 installed on its upper end, and a processing cylinder 5 fixedly connected to the upper end of the guide frame 4. A base 1 is fixedly connected to the lower end of the hot melt machine body 2. A conveying cylinder 9 is fixedly connected to one side of the hot melt machine body 2. A sealing plate 10 is installed on one side of the conveying cylinder 9, and a plurality of through holes are opened on one side of the sealing plate 10 for extruding plastic granules. A feeding port 6 is opened on one side of the processing cylinder 5. Two flip covers 7 are rotatably connected to the inner cavity of the feeding port 6. A plastic processing component is rotatably connected to the inner cavity of the processing cylinder 5.

[0033] The plastic processing component includes a rotating column 12 rotatably connected to the rotating column 12, a rotating groove 16 inside the rotating column 12, a bidirectional lead screw 14 rotatably connected to the inner cavity of the rotating groove 16, two sliding discs 17 externally threaded to the bidirectional lead screw 14, and a first cutting blade 25 fixedly connected to the outside of the two sliding discs 17. Multiple second cutting blades 26 are fixedly connected to the outside of both ends of the rotating column 12, and the first cutting blades 25 and the second cutting blades 26 cooperate to cut and recycle the plastic film wrapped around the outside of the rotating column 12.

[0034] The rotating column 12 has four sets of blades 13 arranged in a ring around its exterior. Each set of blades 13 consists of multiple blade arrays, and the four sets of blades 13 are staggered to increase the efficiency of cutting modified plastics.

[0035] Specifically, in existing technologies, a drive shaft typically drives multiple cutting blades to cut and shred modified plastic film. However, after the plastic film is partially shredded, it will become entangled on the outside of the shaft. If it is not cleaned in time, more and more film will become entangled on the outside of the shaft, which will affect the rotation efficiency of the shaft and the subsequent film cutting efficiency. If the machine is stopped at this time to clean the plastic film entangled on the outside of the shaft, it will not only waste the processing time of the plastic film, but also pose a safety hazard to the workers cleaning the film entangled on the outside of the shaft due to the influence of the blades.

[0036] This invention involves feeding a modified plastic film into the inner cavity of the feeding port 6 and squeezing the flip-top cover 7 inside the feeding port 6 to open it. Simultaneously, it drives the rotating column 12 to rotate, causing four sets of blades 13 to rotate synchronously. These four sets of blades 13 are staggered, enabling rapid cutting and pulverization of the modified plastic film fed into the processing cylinder 5. The staggered arrangement of the blades 13 allows for the cutting and pulverization of different plastics. During the rotation of the rotating column 12, it also drives the sliding plate 17 to rotate synchronously. The sliding plate 17 is threadedly connected to the bidirectional lead screw 14 and slides back and forth, thereby driving the first cutting blade 25 to move synchronously. After the sliding plate 17 moves the first cutting blade 25 to both ends of the rotating column 12, the first cutting blade 25 contacts the second cutting blade 26, thus cutting the modified plastic film wrapped around the outside of the rotating column 12. The film is cut, and the first cutting blade 25 is provided with two blades. As the drive slide 17 moves closer to each other, the slide 17 will drive the first cutting blade 25 to move closer to each other, thereby further cutting the modified plastic film. This avoids too much plastic film wrapped around the outside of the rotating column 12, which would affect the rotation of the rotating column 12 and reduce the cutting and crushing efficiency of the plastic film. The cut and crushed modified plastic film will fall into the inner cavity of the guide frame 4 and then into the inner cavity of the hot melt machine body 2. The hot melt machine body 2 will then heat and melt the modified plastic film that has fallen in, and simultaneously transport it into the inner cavity of the conveying cylinder 9. The sealing plate 10 has several through holes on one side, and the melted modified plastic is then extruded through the through holes of the sealing plate 10, which facilitates the recycling of the modified plastic and solves the above problems.

[0037] like Figure 1 , Figure 5 and Figure 6 As shown, a plug block 15 is fixedly connected to one end of the bidirectional lead screw 14, and an installation plate 11 is installed on one side of the processing cylinder 5, with the plug block 15 plugged into the installation plate 11.

[0038] Specifically, when the rotating column 12 drives the slide 17 to rotate, the mounting plate 11 is used to limit the insertion block 15, thereby preventing the rotation of the bidirectional lead screw 14. This allows the slide 17 to slide threadedly outside the bidirectional lead screw 14, thus achieving the cutting of the plastic film wrapped around the rotating column 12.

[0039] like Figure 1 , Figure 5 and Figure 6 As shown, a drive assembly 8 is provided at one end of the rotating column 12 through the processing cylinder 5. The drive assembly 8 includes a driven pulley 81 fixed to one end of the rotating column 12. A belt 82 is externally connected to the driven pulley 81, and a drive pulley 83 is externally connected to one end of the belt 82.

[0040] like Figure 4 , Figure 5 and Figure 6 As shown, the transmission pulley 83 has multiple toothed blocks arranged in a ring on its outside, and the transmission pulley 83 is rotatably connected to the guide frame 4. The transmission pulley 83 is meshed with a transmission gear 84, and a drive motor 87 is installed inside one side of the guide frame 4. The output shaft end of the drive motor 87 is fixedly connected to the transmission gear 84.

[0041] Specifically, by starting the drive motor 87, the transmission gear 84 is driven to rotate, and the transmission gear 84, in conjunction with the gear block, drives the transmission pulley 83 to rotate. At the same time, the transmission pulley 83 drives the belt 82 to rotate, which in turn drives the driven pulley 81 to rotate. The driven pulley 81 then drives the rotating column 12 to rotate, and simultaneously drives the blade 13 to cut and shred the plastic film.

[0042] like Figure 1 , Figure 5 and Figure 6 As shown, the transmission gear 84 is meshed with the second gear 88, and the second gear 88 is rotatably connected to the guide frame 4. The second gear 88 is meshed with the first gear 85, and the first gear 85 is rotatably connected to the guide frame 4.

[0043] Example 2: Figure 1 , Figure 5 and Figure 7 As shown, intermittent locking blocks 86 are fixedly connected to one end of both the transmission pulley 83 and the first gear 85. A U-shaped rotating sleeve 18 is rotatably connected to the outside of the intermittent locking block 86. A semi-circular rotating cover 19 is fixedly connected to one side of the U-shaped rotating sleeve 18.

[0044] like Figure 1 , Figure 5 and Figure 7 As shown, the U-shaped rotating sleeve 18 is rotatably connected to the inner wall of the guide frame 4, and the inner wall of the U-shaped rotating sleeve 18 is provided with an elastic element 20.

[0045] Specifically, when the drive rotating column 12 drives the blade 13 to cut the plastic film inside the processing cylinder 5, the drive transmission gear 84 rotates counterclockwise, which in turn meshes with the second transmission gear 88 to rotate clockwise. The second gear 88 then meshes with the first transmission gear 85 to rotate counterclockwise. Simultaneously, the drive gear 84, in conjunction with the gear block, drives the transmission pulley 83 to rotate clockwise. This, in turn, causes the transmission pulley 83 and the first gear 85 to drive the intermittent locking block 86 to rotate. After one revolution, the intermittent locking block 86 engages with the U-shaped rotating... The elastic element 20 on the inner wall of the moving sleeve 18 abuts against the U-shaped rotating sleeve 18, thereby driving the U-shaped rotating sleeve 18 to rotate. At the same time, the U-shaped rotating sleeve 18 drives the semi-circular rotating cover 19 to flip and open the inner cavity of the processing cylinder 5. The crushed plastic film in the inner cavity of the processing cylinder 5 will fall into the inner cavity of the guide frame 4. After the semi-circular rotating cover 19 rotates and opens the processing cylinder 5, the semi-circular rotating cover 19 drives the rotating shaft 21 to rotate. At the same time, the rotating shaft 21 drives the fixed disk 22 to rotate, which in turn drives the torsion spring 23 to twist. The semi-circular rotating cover 19 and the inner cavity of the guide frame 4... After the wall abutment cannot rotate, the intermittent locking block 86 will squeeze the elastic element 20 to disengage from the abutment. Then, the torsion spring 23 twists the fixed plate 22 to rotate and reset. At the same time, the fixed plate 22 drives the rotating shaft 21 to rotate, which in turn drives the semi-circular rotating cover 19 to flip and reset, thereby sealing the inner cavity of the processing cylinder 5 again. This allows for intermittent feeding of the inner cavity of the hot melt machine body 2, avoiding the problem of feeding a large amount of plastic film into the inner cavity of the hot melt machine body 2 at once. This would make it difficult for the inner cavity of the hot melt machine body 2 to heat and melt a large amount of plastic film quickly, affecting the manufacturing quality of subsequent plastic granules. When using plastic granules to make injection molded parts, the presence of unmelted plastic film inside the plastic granules would cause defects such as bubbles and cracks inside the workpiece. This solves the problem that existing hot melt equipment for modified plastic processing cannot easily feed the crushed plastic film into the hot melt machine during the processing and recycling of modified plastic film, resulting in substandard quality of the processed plastic granules and affecting the quality of the workpieces manufactured using plastic granules.

[0046] like Figures 4 to 7 As shown, the semi-circular rotating cover 19 is rotatably connected to the inner cavity of the guide frame 4. One end of the semi-circular rotating cover 19 is fixedly connected to the rotating shaft 21, and the rotating shaft 21 is rotatably connected to the inside of the guide frame 4. A fixed plate 22 is fixedly connected to the outside of the rotating shaft 21. A torsion spring 23 is fixedly connected to one side of the fixed plate 22, and one end of the torsion spring 23 is fixedly connected to the inside of the guide frame 4.

[0047] like Figure 1 and Figure 4 As shown, a servo motor 3 is installed on one side of the hot melt machine body 2. The output shaft end of the servo motor 3 passes through the hot melt machine body 2 and is fixedly connected to a conveying auger 27. The conveying auger 27 is rotatably installed with the sealing plate 10.

[0048] like Figure 1 and Figure 4As shown, a granulation knife 24 is installed at one end of the conveying auger 27, and the granulation knife 24 is in contact with the sealing plate 10, which can cut the plastic solution extruded from the sealing plate 10 for granulation.

[0049] Specifically, when the intermittently discharged pulverized plastic film enters the guide rack 4, the servo motor 3 drives the conveying auger 27 to rotate. Simultaneously, the conveying auger 27 agitates and conveys the heated and melted plastic film inside the hot melt machine body 2, feeding it into the conveying cylinder 9. At the same time, the melted plastic film inside the conveying cylinder 9 is extruded through the through-hole of the sealing plate 10. During the rotation of the conveying auger 27, it also drives the granulating knife 24 to rotate, causing the granulating knife 24 to cut the plastic solution extruded through the through-hole of the sealing plate 10. The plastic solution produced by the granulation blade 24 is cut and then placed in a collection tank containing clean water below the conveying cylinder 9. The plastic solution is then cooled and formed into plastic granules, thus realizing the circulating granulation of the hot melt equipment. This also reduces the size of the hot melt equipment, making it easier to install and use. It solves the problem that existing hot melt equipment for modified plastic processing is too large. When processing modified plastic films, the extruded plastic solution needs to be placed under the granulation blade after passing through a clean water tank for cutting and granulation, which is not only costly but also inconvenient to use.

[0050] The working principle is as follows: Modified plastic film is fed into the inner cavity of the feeding port 6, and the flip cover 7 inside the feeding port 6 is squeezed open. Simultaneously, the rotating column 12 rotates, driving four sets of blades 13 to rotate synchronously. The four sets of blades 13 are staggered, enabling rapid cutting and pulverization of the modified plastic film fed into the processing cylinder 5. The staggered arrangement of the blades 13 allows for the cutting and pulverization of other plastics. During the rotation of the rotating column 12, the sliding plate 17 also rotates synchronously, and the sliding plate 17, threadedly connected to the bidirectional lead screw 14, reciprocates, thereby driving the first cutting blade 25 to move synchronously. After the sliding plate 17 moves the first cutting blade 25 to both ends of the rotating column 12, the first cutting blade 25 contacts the second cutting blade 26, thus pulverizing the outer surface of the rotating column 12. The modified plastic film is cut by cutting the first cutting blade 25, which has two blades. As the drive slide 17 moves closer to each other, the slide 17 will drive the first cutting blade 25 to move closer to each other, thereby further cutting the modified plastic film. This avoids too much plastic film wrapped around the outside of the rotating column 12, which would affect the rotation of the rotating column 12 and reduce the cutting and crushing efficiency of the plastic film. The cut and crushed modified plastic film will fall into the inner cavity of the guide frame 4 and then into the inner cavity of the hot melt machine body 2. The hot melt machine body 2 will then heat and melt the modified plastic film that has fallen in and transport it into the inner cavity of the conveying cylinder 9. The sealing plate 10 has several through holes on one side, and the melted modified plastic is then extruded through the through holes of the sealing plate 10, which facilitates the recycling of the modified plastic.

[0051] When the drive rotating column 12 drives the blade 13 to cut the plastic film inside the processing cylinder 5, the drive transmission gear 84 rotates counterclockwise, then meshes with the second transmission gear 88 to rotate clockwise, and the second gear 88 meshes with the first transmission gear 85 to rotate counterclockwise. At the same time, the drive gear 84, in conjunction with the gear block, drives the transmission pulley 83 to rotate clockwise, which in turn causes the transmission pulley 83 and the first gear 85 to drive the intermittent locking block 86 to rotate. After rotating one revolution, the intermittent locking block 86 will abut against the elastic element 20 on the inner wall of the U-shaped rotating sleeve 18, thereby driving the U-shaped rotating sleeve 18 to rotate. At the same time, the U-shaped rotating sleeve 18 drives the semi-circular rotating cover 19 to flip and open the inner cavity of the processing cylinder 5. The crushed plastic film inside the processing cylinder 5 will fall into the inner cavity of the guide frame 4. After the semi-circular rotating cover 19 rotates and opens the processing cylinder 5, the semi-circular rotating cover 19 drives the rotating... When shaft 21 rotates, it drives fixed disk 22 to rotate, which in turn drives torsion spring 23 to twist. When semi-circular rotating cover 19 is unable to rotate due to contact with the inner wall of guide frame 4, intermittent locking block 86 will squeeze elastic element 20 to disengage. Then, torsion spring 23 twists fixed disk 22 to rotate and reset. At the same time, fixed disk 22 drives shaft 21 to rotate, which in turn drives semi-circular rotating cover 19 to flip and reset, thereby sealing the inner cavity of processing cylinder 5 again. This allows for intermittent feeding of material into the inner cavity of hot melt machine body 2, avoiding the feeding of a large amount of plastic film into the inner cavity of hot melt machine body 2 at one time. This would make it difficult for the inner cavity of hot melt machine body 2 to heat and melt a large amount of plastic film quickly, affecting the manufacturing quality of subsequent plastic granules. As a result, when using plastic granules to make injection molded workpieces, the presence of unmelted plastic film inside the plastic granules would cause defects such as bubbles and cracks inside the workpiece.

[0052] When the intermittently discharged crushed plastic film enters the guide rack 4, the servo motor 3 drives the conveying auger 27 to rotate. At the same time, the conveying auger 27 stirs the heated and melted plastic film in the inner cavity of the hot melt machine body 2 and conveys it into the inner cavity of the conveying cylinder 9. Meanwhile, the melted plastic film in the inner cavity of the conveying cylinder 9 is extruded through the through hole of the sealing plate 10. During the rotation of the conveying auger 27, it also drives the granulating knife 24 to rotate and cut the plastic solution extruded through the through hole of the sealing plate 10. Then, a collection box containing clean water is set below the conveying cylinder 9, so that the plastic solution produced by the granulating knife 24 falls into the collection box for cooling and forming plastic granules. This realizes the cyclic granulation of the hot melt equipment, and also reduces the size of the hot melt equipment, making it more convenient to install and use.

[0053] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hot melt equipment for processing modified plastics, comprising a hot melt machine body (2) and a guide frame (4) mounted on its upper end, and a processing cylinder (5) fixedly connected to the upper end of the guide frame (4), characterized in that: The lower end of the hot melt machine body (2) is fixedly connected to a base (1). A conveying cylinder (9) is fixedly connected to one side of the hot melt machine body (2). A sealing plate (10) is installed on one side of the conveying cylinder (9), and several through holes are opened on one side of the sealing plate (10) for extruding plastic granules. A feeding port (6) is opened on one side of the processing cylinder (5). Two flip covers (7) are rotatably connected to the inner cavity of the feeding port (6). A plastic processing component is rotatably connected to the inner cavity of the processing cylinder (5). The plastic processing component includes a rotating column (12) rotatably connected to the rotating column (12), a rotating groove (16) is provided inside the rotating column (12), a bidirectional lead screw (14) is rotatably connected to the inner cavity of the rotating groove (16), two sliding discs (17) are threaded to the outside of the bidirectional lead screw (14), and a first cutting blade (25) is fixed to the outside of the two sliding discs (17). Multiple second cutting blades (26) are fixed to the outside of both ends of the rotating column (12), and the first cutting blade (25) and the second cutting blade (26) cooperate to cut and recycle the plastic film wrapped around the outside of the rotating column (12). The rotating column (12) has four sets of blades (13) arranged in a ring around its exterior. Each set of blades (13) consists of multiple blade arrays, and the four sets of blades (13) are staggered to increase the efficiency of cutting modified plastics.

2. The hot melt equipment for processing modified plastics according to claim 1, characterized in that: One end of the bidirectional lead screw (14) is fixedly connected to a plug (15), and a mounting plate (11) is installed on one side of the processing cylinder (5), with the plug (15) and the mounting plate (11) being plugged in.

3. The hot melt equipment for processing modified plastics according to claim 1, characterized in that: One end of the rotating column (12) passes through the processing cylinder (5) and is provided with a drive assembly (8). The drive assembly (8) includes a driven pulley (81) fixed to one end of the rotating column (12). The driven pulley (81) is externally connected to a belt (82), and one end of the belt (82) is connected to a drive pulley (83).

4. A hot melt equipment for processing modified plastics according to claim 3, characterized in that: The transmission pulley (83) has multiple toothed blocks arranged in a ring on the outside, and the transmission pulley (83) is rotatably connected to the guide frame (4). The transmission pulley (83) is meshed with a transmission gear (84) on the outside. A drive motor (87) is arranged inside one side of the guide frame (4), and the output shaft end of the drive motor (87) is fixedly connected to the transmission gear (84).

5. A hot melt equipment for processing modified plastics according to claim 4, characterized in that: The transmission gear (84) is meshed with a second gear (88), and the second gear (88) is rotatably connected to the guide frame (4). The second gear (88) is meshed with a first gear (85), and the first gear (85) is rotatably connected to the guide frame (4).

6. A hot melt equipment for processing modified plastics according to claim 5, characterized in that: Both the transmission pulley (83) and the first gear (85) are fixedly connected to one end of an intermittent locking block (86). The intermittent locking block (86) is rotatably connected to a U-shaped rotating sleeve (18). A semi-circular rotating cover (19) is fixedly connected to one side of the U-shaped rotating sleeve (18).

7. A hot melt equipment for processing modified plastics according to claim 6, characterized in that: The U-shaped rotating sleeve (18) is rotatably connected to the inner wall of the guide frame (4), and the inner wall of the U-shaped rotating sleeve (18) is provided with an elastic element (20).

8. A hot melt equipment for processing modified plastics according to claim 6, characterized in that: The semi-circular rotating cover (19) is rotatably connected to the inner cavity of the guide frame (4). One end of the semi-circular rotating cover (19) is fixedly connected to a rotating shaft (21), and the rotating shaft (21) is rotatably connected to the inside of the guide frame (4). A fixed disk (22) is fixedly connected to the outside of the rotating shaft (21). A torsion spring (23) is fixedly connected to one side of the fixed disk (22), and one end of the torsion spring (23) is fixedly connected to the inside of the guide frame (4).

9. A hot melt equipment for processing modified plastics according to claim 1, characterized in that: A servo motor (3) is installed on one side of the hot melt machine body (2). The output shaft end of the servo motor (3) passes through the hot melt machine body (2) and is fixedly connected to a conveying auger (27). The conveying auger (27) is rotatably installed with the sealing plate (10).

10. A hot melt apparatus for processing modified plastics according to claim 9, characterized in that: One end of the conveying auger (27) is equipped with a granulation knife (24), and the granulation knife (24) is in contact with the sealing plate (10), which can cut the plastic solution extruded from the sealing plate (10) for granulation.

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