Granulation extrusion device for injection molding feeding

Abstract

The utility model belongs to the technical field of granulation extrusion equipment, and particularly relates to a granulation extrusion device for injection molding feeding, which comprises a supporting seat, an extrusion mechanism is mounted at the top end of the supporting seat, and a feeding pipe on the extrusion mechanism is connected with a discharging pipe on a feeding mixing mechanism through a pipe joint. When the extrusion mechanism is fed, extruded materials can be effectively mixed, the situation that the mixed extruded materials block the discharging pipe and the feeding pipe when being conveyed into the extrusion mechanism can be effectively avoided, the extruded materials can be preheated in the mixing process of the extruded materials, and therefore the extruded materials can be fully mixed, and the mixing efficiency of the extruded materials is improved. And the extrusion quality of extruded materials is improved, and the practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of granulation extrusion equipment, in particular to a granulation extrusion device used for injection molding feeding. Background Art

[0002] Extrusion molding is also called extrusion in plastic processing. It refers to a processing method in which the material passes through the action between the extruder barrel and the screw, is heated and plasticized, and is pushed forward by the screw, and continuously passes through the die to be made into various cross-section products or semi-finished products.

[0003] After searching, the patent announcement number CN213412841U discloses a plastic masterbatch granulation raw material extrusion device, which belongs to the field of mechanical technology, including an extrusion barrel, support feet are arranged on both sides of the lower end of the extrusion barrel, a first feed port is arranged on one side of the upper end of the extrusion barrel, and a template is arranged at the end of the extrusion barrel away from the first feed port, and a plurality of template holes are arranged on the template. The utility model arranges a plurality of template holes on a template, and granulations of different sizes can be implemented through one template. The third rotating rod is driven to rotate by the first motor, and the third rotating rod drives the template to move through the gear to achieve granulations of different sizes, which occupies a small space and has high safety. The utility model arranges a crushing component, and the first blade and the second blade in the crushing barrel can crush the raw material twice, so that the raw material is more refined, the size of the raw material is more uniform, and the quality of the product after molding is improved.

[0004] In actual use, when the existing granulation extrusion device for injection molding feeding is transported to the extrusion structure for extrusion, the mixed material is easy to block the feed and discharge structure during the transportation process, affecting the processing efficiency, and the mixing effect of the mixed material is not good. For this reason, we propose a granulation extrusion device for injection molding feeding to solve the existing problems. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a granulation extrusion device for injection molding feeding to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A granulation extrusion device for injection molding feeding, comprising a support seat: an extrusion mechanism is installed on the top of the support seat, and a feed pipe on the extrusion mechanism is connected to a discharge pipe on a feeding mixing mechanism through a pipe joint;

[0008] The feeding and mixing mechanism includes a feeding pipe, a first mounting plate, a second reduction motor, a first support rod, a second mounting plate, a third reduction motor, a second support rod, a fourth reduction motor, a third mounting plate, a third support rod, a valve body, a vent pipe, a second support plate, a booster pump, a second outer shell, a second thermal insulation layer, a second inner shell, a second electric heating coil, a second rotating shaft, a first stirring rod, a third rotating shaft, a second spiral blade, a third spiral blade, a discharge pipe, a support column, a fourth spiral blade, a second stirring rod and a fourth rotating shaft. The interior of the second inner shell is provided with a second rotating shaft, a third rotating shaft and a fourth rotating shaft from left to right in sequence. The first stirring rod and the second spiral blade are installed on the outer wall of the second rotating shaft, and the first stirring rod is located above the second spiral blade. The third spiral blade is installed below the outer wall of the third rotating shaft, and the bottom end of the third rotating shaft extends to the interior of the discharge pipe. The discharge pipe is arranged at the center position of the bottom end of the second inner shell, and the bottom end of the discharge pipe sequentially penetrates the second thermal insulation layer and the second outer shell and extends to the outside, a fourth spiral blade and a second stirring rod are installed on the outer wall of the fourth rotating shaft, and the fourth spiral blade is located above the second stirring rod, a second electric heating coil is arranged between the inner wall of the second thermal insulation layer and the outer wall of the second inner shell, the bottom ends of the second rotating shaft, the third rotating shaft and the fourth rotating shaft all sequentially penetrate the sealed bearing on the top end of the second thermal insulation layer and the sealed bearing on the top end of the second outer shell and extend to the outside and are respectively connected to the second reduction motor, the third reduction motor and the fourth reduction motor through a coupling, a ventilation pipe is arranged above the outer wall of one side of the second inner shell, the other end of the ventilation pipe sequentially penetrates the second thermal insulation layer and the second outer shell and extends to the outside and is connected to the air outlet on the outer wall of one side of the booster pump through a pipe joint;

[0009] The extrusion mechanism includes a first outer shell, a first inner shell, a first electric heating coil, a first spiral blade, a first rotating shaft, a mounting block, a feed pipe, a first reduction motor, a first support plate, a sealing ring, an extrusion tube, an extrusion nozzle and a first thermal insulation layer. The first inner shell is provided with a first rotating shaft and a first spiral blade, and the first spiral blade is installed on the outer wall of the first rotating shaft. One end of the first rotating shaft sequentially penetrates the first inner shell, the first thermal insulation layer and the sealed bearing on the outer wall of one side of the first outer shell to extend to the outside and is connected to the first reduction motor through a coupling. A first electric heating coil is arranged between the inner wall of the first thermal insulation layer and the outer wall of the first inner shell. An extrusion tube is arranged on the outer wall of the other side of the first inner shell, and the other end of the extrusion tube sequentially penetrates the first thermal insulation layer and the outer wall of the other side of the first outer shell to extend to the outside and is connected to the extrusion nozzle.

[0010] Furthermore, the second inner shell is arranged on the inner side of the second thermal insulation layer, the second thermal insulation layer is installed on the inner wall of the second outer shell, and the bottom end of the second outer shell is installed with support columns, there are four support columns, and the four support columns are distributed in a ring array, and the bottom ends of the support columns are installed on the outer wall of the first outer shell.

[0011] Further, the spiral direction of the second spiral blade is opposite to the spiral direction of the fourth spiral blade, and the spiral direction of the second spiral blade is the same as the spiral direction of the third spiral blade.

[0012] Furthermore, the second reduction motor, the third reduction motor and the fourth reduction motor are respectively mounted on the upper surfaces of the first mounting plate, the second mounting plate and the third mounting plate, and the output shafts on the second reduction motor, the third reduction motor and the fourth reduction motor respectively pass through the surfaces of the first mounting plate, the second mounting plate and the third mounting plate, and the first support rod, the second support rod and the third support rod are respectively mounted at the four corners of the lower surfaces of the first mounting plate, the second mounting plate and the third mounting plate, and the bottom ends of the first support rod, the second support rod and the third support rod are all mounted on the top end of the second outer shell.

[0013] Furthermore, the boost pump is installed on the upper surface of the second support plate, the second support plate is installed above the outer wall of one side of the second outer shell, feeding pipes are provided on both sides of the top end of the second inner shell, and the other end of the feeding pipe passes through the second thermal insulation layer and the top end of the second outer shell in sequence and extends to the outside, and the feeding pipe, the discharge pipe and the ventilation pipe are all provided with valve bodies.

[0014] Furthermore, the first reduction motor is mounted on an upper surface of a first support plate, and the first support plate is mounted on an outer wall of one side of the first housing.

[0015] Furthermore, the first inner shell is arranged on the inner side of the first thermal insulation layer, the first thermal insulation layer is installed on the inner wall of the first outer shell, the feed pipe is arranged on the top side of the first inner shell, and one end of the feed pipe passes through the first thermal insulation layer and the top of the first outer shell in sequence and extends to the outside, and mounting blocks are installed on both sides of the bottom end of the first outer shell, and the mounting blocks are installed on the top of the support seat.

[0016] Furthermore, a sealing ring is provided at the connection between the extrusion nozzle and the extrusion tube.

[0017] By means of the above technical solution, the utility model provides a granulation extrusion device for injection molding feeding, which has at least the following beneficial effects:

[0018] 1. The utility model is provided with a series of structures such as the second rotating shaft, the second spiral blade, the fourth rotating shaft, the fourth spiral blade, the first stirring rod, and the second stirring rod. When the staff needs to mix the fed materials, the staff adds the fed materials into the second inner shell through the feeding pipe, and then starts the second reduction motor and the fourth reduction motor. When the second reduction motor is started, the first stirring rod and the second spiral blade on the outer wall of the second rotating shaft are driven to rotate. When the fourth reduction motor is started, the second stirring rod and the fourth spiral blade on the outer wall of the fourth rotating shaft are driven to rotate. The first stirring rod and the second stirring rod are rotated to mix and stir the materials inside the second inner shell. The rotation of the second spiral blade can drive the materials at the bottom end of the second inner shell to be transported upward. The rotation of the fourth spiral blade can drive the materials above the second inner shell to be transported downward, thereby increasing the fluidity of the materials during the stirring process. Thus, the utility model effectively improves the effect of material mixing.

[0019] 2. The utility model is provided with a series of structures such as a booster pump, a vent pipe, a third reduction motor, a third rotating shaft, and a third spiral blade. When the staff needs to transport the mixed material inside the second inner shell to the extrusion mechanism, the staff starts the third reduction motor. The start of the third reduction motor will drive the third spiral blade on the outer wall of the third rotating shaft to rotate. The rotation of the third spiral blade can make the material inside the second inner shell be transported to the discharge pipe. The material in the discharge pipe will be transported to the first inner shell through the feed pipe on the extrusion mechanism. The staff starts the booster pump. The start of the booster pump can pressurize the inside of the second inner shell. After the inside of the second inner shell is pressurized, the extrusion force of the material transported downward can be increased. Therefore, the utility model can effectively avoid the situation that the mixed extruded material is blocked by the discharge pipe and the feed pipe when being transported to the extrusion mechanism.

[0020] 3. The utility model is equipped with a series of structures such as the second electric heating coil. When the second electric heating coil is started, the material inside the second inner shell can be preheated. Therefore, the utility model can also preheat the extruded material during the mixing process of the extruded material, thereby improving the quality of the extruded material and having strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[0022] Figure 1 Schematic diagram of the three-dimensional structure of the granulation extrusion device for injection molding feeding provided in the embodiment of the present application Figure 1 ;

[0023] Figure 2 Schematic diagram of the three-dimensional structure of the granulation extrusion device for injection molding feeding provided in the embodiment of the present application Figure 2 ;

[0024] Figure 3 A cross-sectional view of a granulation extrusion device for injection molding feeding provided in an embodiment of the present application;

[0025] Figure 4 A cross-sectional view of an extrusion mechanism of a granulation extrusion device for injection molding feeding provided in an embodiment of the present application;

[0026] Figure 5 A cross-sectional view of a feeding mixing mechanism of a granulating extrusion device for injection molding feeding provided in an embodiment of the present application.

[0027] In the figure: 1, feeding and mixing mechanism; 101, feeding pipe; 102, first mounting plate; 103, second reduction motor; 104, first support rod; 105, second mounting plate; 106, third reduction motor; 107, second support rod; 108, fourth reduction motor; 109, third mounting plate; 110, third support rod; 111, valve body; 112, vent pipe; 113, second support plate; 114, booster pump; 115, second outer shell; 116, second thermal insulation layer; 117, second inner shell; 118, second electric heating coil; 119, second rotating shaft; 120, first stirring rod; 121, third Rotating shaft; 122, second spiral blade; 123, third spiral blade; 124, discharge pipe; 125, support column; 126, fourth spiral blade; 127, second stirring rod; 128, fourth rotating shaft; 2, extrusion mechanism; 201, first outer shell; 202, first inner shell; 203, first electric heating coil; 204, first spiral blade; 205, first rotating shaft; 206, mounting block; 207, feed pipe; 208, first reduction motor; 209, first support plate; 210, sealing ring; 211, extrusion tube; 212, extrusion nozzle; 213, first thermal insulation layer; 3, support seat; 4, pipe joints. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figures 1 to 5The granulation extrusion device for injection molding feeding of the utility model mainly includes a support seat 3: an extrusion mechanism 2 is installed on the top of the support seat 3, and the feed pipe 207 on the extrusion mechanism 2 is connected to the discharge pipe 124 on the feeding mixing mechanism 1 through a pipe joint 4, and the feeding mixing mechanism 1 includes a feeding pipe 101, a first mounting plate 102, a second reduction motor 103, a first support rod 104, a second mounting plate 105, a third reduction motor 106, a second support rod 107, a fourth reduction motor 108, a third mounting plate 109, a third support rod 110, a valve body 111, a vent pipe 112, a second support plate 113, a booster pump 114, a second outer shell 115, a second thermal insulation layer 116, a second inner shell 117, and a second electric heating The coil 118, the second rotating shaft 119, the first stirring rod 120, the third rotating shaft 121, the second spiral blade 122, the third spiral blade 123, the discharge pipe 124, the support column 125, the fourth spiral blade 126, the second stirring rod 127 and the fourth rotating shaft 128 are arranged in sequence from left to right in the second inner shell 117. The first stirring rod 120 and the second spiral blade 122 are installed on the outer wall of the second rotating shaft 119, and the first stirring rod 120 is located above the second spiral blade 122. The third spiral blade 123 is installed below the outer wall of the third rotating shaft 121, and the bottom end of the third rotating shaft 121 extends to the inside of the discharge pipe 124. The discharge pipe 124 is provided with a The fourth rotating shaft 128 is provided with a fourth spiral blade 126 and a second stirring rod 127, and the fourth spiral blade 126 is located above the second stirring rod 127. A second electric heating coil 118 is provided between the inner wall of the second thermal insulation layer 116 and the outer wall of the second inner shell 117. The bottom ends of the second rotating shaft 119, the third rotating shaft 121 and the fourth rotating shaft 128 all penetrate the sealed bearing on the top of the second thermal insulation layer 116 and the sealed bearing on the top of the second outer shell 115 in sequence, extend to the outside, and are respectively connected to the second reduction motor 103 and the third reduction motor 103 through the coupling. 106 is connected to the fourth reduction motor 108, a vent pipe 112 is arranged above the outer wall of one side of the second inner shell 117, the other end of the vent pipe 112 sequentially passes through the second heat insulation layer and the second outer shell 115 to extend to the outside and is connected to the air outlet end on the outer wall of one side of the booster pump 114 through a pipe joint 4, the extrusion mechanism 2 includes a first outer shell 201, a first inner shell 202, a first electric heating coil 203, a first spiral blade 204, a first rotating shaft 205, a mounting block 206, a feed pipe 207, a first reduction motor 208, a first support plate 209, a sealing ring 210, an extrusion pipe 211, an extrusion nozzle 212 and a first heat insulation layer 213, the first inner shell 202 is provided with a first rotating shaft 205 and a first spiral blade 204,The first spiral blade 204 is installed on the outer wall of the first rotating shaft 205, one end of the first rotating shaft 205 sequentially penetrates the first inner shell 202, the first heat insulation layer 213 and the sealed bearing on the outer wall of one side of the first outer shell 201 to extend to the outside and is connected to the first reduction motor 208 through a coupling, a first electric heating coil 203 is arranged between the inner wall of the first heat insulation layer 213 and the outer wall of the first inner shell 202, an extrusion tube 211 is arranged on the outer wall of the other side of the first inner shell 202, and the other end of the extrusion tube 211 sequentially penetrates the first heat insulation layer 213 and the outer wall of the other side of the first outer shell 201 and extends to the outside to be connected to the extrusion nozzle 212. When the feeding material is mixed, the staff adds the feeding material into the second inner shell 117 through the feeding pipe 101, and then starts the second reduction motor 103 and the fourth reduction motor 108. The second reduction motor 103 starts to drive the first stirring rod 120 and the second spiral blade 122 on the outer wall of the second rotating shaft 119 to rotate, and the fourth reduction motor 108 starts to drive the second stirring rod 127 and the fourth spiral blade 126 on the outer wall of the fourth rotating shaft 128 to rotate. The first stirring rod 120 and the second stirring rod 127 rotate to mix and stir the materials inside the second inner shell 117. The rotation of the second spiral blade 122 can The fourth spiral blade 126 drives the material at the bottom end of the second inner shell 117 to be transported upward, and the rotation of the fourth spiral blade 126 can drive the material at the upper end of the second inner shell 117 to be transported downward, thereby increasing the fluidity of the material during the stirring process, thereby effectively improving the material mixing effect of the utility model. When the staff needs to transport the mixed material inside the second inner shell 117 to the extrusion mechanism 2, the staff starts the third reduction motor 106, and the start of the third reduction motor 106 will drive the third spiral blade 123 on the outer wall of the third rotating shaft 121 to rotate. The rotation of the third spiral blade 123 can transport the material inside the second inner shell 117 to the discharge pipe 124, and the material in the discharge pipe 124 The material will be transported to the first inner shell 202 through the feed pipe 207 on the extrusion mechanism 2. The staff starts the booster pump 114. The booster pump 114 can increase the pressure inside the second inner shell 117. After the pressure inside the second inner shell 117 is increased, the extrusion force of the material being transported downward can be increased. Therefore, the utility model can effectively avoid the situation where the mixed extruded material blocks the discharge pipe 124 and the feed pipe 207 when being transported to the extrusion mechanism 2. The second electric heating coil 118 can be started to preheat the material inside the second inner shell 117. Therefore, the utility model can also preheat the extruded material during the mixing process of the extruded material, thereby improving the quality of the extruded material.

[0030] The second inner shell 117 is arranged on the inner side of the second heat insulating layer 116. The second heat insulating layer 116 can not only keep the inside of the second inner shell 117 warm, but also keep the second outer shell 115 warm, so as to avoid the staff from touching the second outer shell 115 and getting burned. The second heat insulating layer 116 is installed on the inner wall of the second outer shell 115. The bottom end of the second outer shell 115 is installed with support columns 125. There are four support columns 125, and the four support columns 125 are distributed in a ring array. The bottom end of the support column 125 is installed on the outer wall of the first outer shell 201. The spiral direction of the second spiral blade 122 is opposite to the spiral direction of the fourth spiral blade 126. The spiral direction of the second spiral blade 122 is the same as the spiral direction of the third spiral blade 123. The second reduction motor 103, the third reduction motor 106 and the fourth reduction motor 108 are respectively mounted on the upper surfaces of the first mounting plate 102, the second mounting plate 105 and the third mounting plate 109, and the output shafts of the second reduction motor 103, the third reduction motor 106 and the fourth reduction motor 108 respectively penetrate the surfaces of the first mounting plate 102, the second mounting plate 105 and the third mounting plate 109, and the first support rod 104, the second support rod 107 and the third support rod 110 are respectively mounted at the four corners of the lower surfaces of the first mounting plate 102, the second mounting plate 105 and the third mounting plate 109, and the first support rod 104 The bottom ends of the second support rod 107 and the third support rod 110 are all installed on the top of the second shell 115, the booster pump 114 is installed on the upper surface of the second support plate 113, the second support plate 113 is installed above the outer wall of one side of the second shell 115, and the feeding pipes 101 are arranged on both sides of the top of the second inner shell 117, and the other end of the feeding pipe 101 passes through the second heat insulation layer 116 and the top of the second shell 115 in sequence and extends to the outside, the feeding pipe 101, the discharge pipe 124 and the ventilation pipe 112 are all provided with valve bodies 111, the first reduction motor 208 is installed on the upper surface of the first support plate 209, the first support plate 209 is installed on the outer wall of one side of the first shell 201, and the first inner shell 202 is arranged on the first insulation layer 116. On the inner side of the thermal insulation layer 213, the first thermal insulation layer 213 is installed on the inner wall of the first outer shell 201. The first thermal insulation layer 213 can not only keep the inside of the first inner shell 202 warm, but also keep the first outer shell 201 warm, thereby preventing the staff from touching the first outer shell 201 and getting burned. The feed pipe 207 is arranged on one side of the top end of the first inner shell 202, and one end of the feed pipe 207 passes through the first thermal insulation layer 213 and the top end of the first outer shell 201 in sequence and extends to the outside. Both sides of the bottom end of the first outer shell 201 are installed with mounting blocks 206, and the mounting blocks 206 are installed on the top end of the support seat 3. A sealing ring 210 is arranged at the connection between the extrusion nozzle 212 and the extrusion tube 211.Since a sealing ring 210 is provided at the connection between the extrusion nozzle 212 and the extrusion tube 211 , the sealing ring 210 can seal the connection between the extrusion nozzle 212 and the extrusion tube 211 .

[0031] It should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A granulation extrusion device for injection molding feeding, characterized in that: It comprises a support seat (3): an extrusion mechanism (2) is installed on the top of the support seat (3); a feed pipe (207) on the extrusion mechanism (2) is connected to a discharge pipe (124) on the feeding and mixing mechanism (1) through a pipe joint (4); The feeding and mixing mechanism (1) comprises a feeding pipe (101), a first mounting plate (102), a second reduction motor (103), a first support rod (104), a second mounting plate (105), a third reduction motor (106), a second support rod (107), a fourth reduction motor (108), a third mounting plate (109), a third support rod (110), a valve body (111), a vent pipe (112), a second support plate (113), a booster pump (114), a second outer shell (115), a second heat insulation layer (116), a second inner shell (117), a second electric heating coil (118), a second rotating shaft (119), a first stirring rod (120), and a third A rotating shaft (121), a second spiral blade (122), a third spiral blade (123), a discharge pipe (124), a support column (125), a fourth spiral blade (126), a second stirring rod (127) and a fourth rotating shaft (128); the interior of the second inner shell (117) is provided with a second rotating shaft (119), a third rotating shaft (121) and a fourth rotating shaft (128) from left to right in sequence; the outer wall of the second rotating shaft (119) is provided with a first stirring rod (120) and a second spiral blade (122), and the first stirring rod (120) is located above the second spiral blade (122); the third spiral blade is installed below the outer wall of the third rotating shaft (121) (123), and the bottom end of the third rotating shaft (121) extends to the inside of the discharge pipe (124), the discharge pipe (124) is arranged at the bottom center position of the second inner shell (117), and the bottom end of the discharge pipe (124) sequentially passes through the second thermal insulation layer (116) and the second outer shell (115) and extends to the outside, the outer wall of the fourth rotating shaft (128) is equipped with a fourth spiral blade (126) and a second stirring rod (127), and the fourth spiral blade (126) is located above the second stirring rod (127), a second electric heating coil (118) is arranged between the inner wall of the second thermal insulation layer (116) and the outer wall of the second inner shell (117), and the second The bottom ends of the rotating shaft (119), the third rotating shaft (121) and the fourth rotating shaft (128) successively penetrate the sealed bearing on the top of the second heat insulating layer (116) and the sealed bearing on the top of the second outer shell (115) to extend to the outside and are respectively connected to the second reduction motor (103), the third reduction motor (106) and the fourth reduction motor (108) through a coupling; a vent pipe (112) is arranged above the outer wall of one side of the second inner shell (117); the other end of the vent pipe (112) successively penetrates the second heat insulating layer (116) and the second outer shell (115) to extend to the outside and is connected to the air outlet end on the outer wall of one side of the booster pump (114) through a pipe joint (4); The extrusion mechanism (2) comprises a first outer shell (201), a first inner shell (202), a first electric heating coil (203), a first spiral blade (204), a first rotating shaft (205), a mounting block (206), a feed pipe (207), a first reduction motor (208), a first support plate (209), a sealing ring (210), an extrusion pipe (211), an extrusion nozzle (212) and a first heat insulation layer (213); the first inner shell (202) is provided with a first rotating shaft (205) and a first spiral blade (204); the first spiral blade (204) is mounted on the outer wall of the first rotating shaft (205); the first rotating shaft One end of the (205) sequentially penetrates the first inner shell (202), the first thermal insulation layer (213) and the sealed bearing on the outer wall of one side of the first outer shell (201), extends to the outside and is connected to the first reduction motor (208) through a coupling, a first electric heating coil (203) is arranged between the inner wall of the first thermal insulation layer (213) and the outer wall of the first inner shell (202), an extrusion tube (211) is arranged on the outer wall of the other side of the first inner shell (202), and the other end of the extrusion tube (211) sequentially penetrates the first thermal insulation layer (213) and the outer wall of the other side of the first outer shell (201) and extends to the outside and is connected to the extrusion nozzle (212).

2. The granulation extrusion device for injection molding feeding according to claim 1, characterized in that: The second inner shell (117) is arranged on the inner side of the second thermal insulation layer (116), and the second thermal insulation layer (116) is installed on the inner wall of the second outer shell (115). A support column (125) is installed at the bottom end of the second outer shell (115), and there are four support columns (125), and the four support columns (125) are distributed in a ring array, and the bottom ends of the support columns (125) are installed on the outer wall of the first outer shell (201).

3. The granulation extrusion device for injection molding feeding according to claim 1, characterized in that: The spiral direction of the second spiral blade (122) is opposite to the spiral direction of the fourth spiral blade (126), and the spiral direction of the second spiral blade (122) is the same as the spiral direction of the third spiral blade (123).

4. The granulation extrusion device for injection molding feeding according to claim 1, characterized in that: The second reduction motor (103), the third reduction motor (106) and the fourth reduction motor (108) are respectively mounted on the upper surfaces of the first mounting plate (102), the second mounting plate (105) and the third mounting plate (109), and the output shafts on the second reduction motor (103), the third reduction motor (106) and the fourth reduction motor (108) respectively penetrate the surfaces of the first mounting plate (102), the second mounting plate (105) and the third mounting plate (109), and the first support rod (104), the second support rod (107) and the third support rod (110) are respectively mounted at the four corners of the lower surfaces of the first mounting plate (102), the second mounting plate (105) and the third mounting plate (109), and the bottom ends of the first support rod (104), the second support rod (107) and the third support rod (110) are all mounted on the top end of the second housing (115).

5. The granulation extrusion device for injection molding feeding according to claim 1, characterized in that: The booster pump (114) is mounted on the upper surface of the second support plate (113), and the second support plate (113) is mounted above the outer wall of one side of the second outer shell (115). Feeding pipes (101) are arranged on both sides of the top end of the second inner shell (117), and the other end of the feeding pipe (101) passes through the second thermal insulation layer (116) and the top end of the second outer shell (115) in sequence and extends to the outside. The feeding pipe (101), the discharge pipe (124) and the ventilation pipe (112) are all provided with valve bodies (111).

6. The granulation extrusion device for injection molding feeding according to claim 1, characterized in that: The first reduction motor (208) is mounted on the upper surface of a first support plate (209), and the first support plate (209) is mounted on an outer wall of one side of the first housing (201).

7. The granulation extrusion device for injection molding feeding according to claim 1, characterized in that: The first inner shell (202) is arranged on the inner side of the first thermal insulation layer (213), and the first thermal insulation layer (213) is installed on the inner wall of the first outer shell (201). The feed pipe (207) is arranged on one side of the top end of the first inner shell (202), and one end of the feed pipe (207) passes through the first thermal insulation layer (213) and the top end of the first outer shell (201) in sequence and extends to the outside. Both sides of the bottom end of the first outer shell (201) are installed with mounting blocks (206), and the mounting blocks (206) are installed on the top end of the support seat (3).

8. The granulation extrusion device for injection molding feeding according to claim 1, characterized in that: A sealing ring (210) is provided at the connection between the extrusion nozzle (212) and the extrusion tube (211).

Images