Carbon fiber composite material hot melt extruder

Abstract

The invention relates to the technical field of injection molding extrusion, and discloses a carbon fiber composite material hot melt extruder which comprises a machine body, the extrusion module is used for spirally extruding the carbon fiber composite material; the transmission module is used for driving the extrusion module to operate; the hot melting module is used for fusing and discharging the composite material; and the extrusion module comprises a conveying device, a grinding and pressing device and an extrusion device. According to the hot-melt extruder for the carbon fiber composite material, the extrusion module is arranged, so that shunting extrusion feeding of carbon fibers can be realized, and meanwhile, mixing type running-in can be performed on the shunted materials, so that the melting time of the composite material is shortened, the composite material can be quickly melted, and fine particles in the composite material can be ground; and the condition that the extrusion quality of the composite material is reduced due to blockage of a filter screen of an extruder caused by fusion extrusion of some particulate matters and the composite material is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of injection molding extrusion equipment, in particular to a carbon fiber composite material hot melt extruder. Background Art

[0002] Carbon fiber composite materials are inorganic high-performance fibers that are transformed from organic fibers through a series of heat treatments and have a carbon content of more than 90%. They are a new material with excellent mechanical properties. They have the inherent characteristics of carbon materials and the softness and processability of textile fibers. They are a new generation of reinforcing fibers.

[0003] At present, in the process of making carbon fiber composite materials, a similar injection molding extrusion method is usually used for production. However, composite materials are not like ordinary plastic semi-finished products. In the production process, multiple composite materials need to be added to mix them before being sent to the extruder. There are also carbon fiber composite materials that add composite materials during the extrusion process to improve the strength and quality of the composite materials. At present, the extrusion of carbon fiber composite materials is single-screw or twin-screw extrusion. This type of extrusion has certain defects. In the process of pushing the material by the spiral blade of the extruder, in fact, in the extruder, the material is only partially stirred in a large distribution, similar to the mixing effect, and the material is mixed. This process is easy to appear in the push to the heating and melting module. The uniformity of the material melting is not high. If it is easy to mix particulate matter and molten state, if you want to melt more evenly, the length of the entire extruder needs to be very long, and a longer heating module is used to melt the material. However, this structure will occupy a larger area, and some composite materials inside the carbon fiber cannot be heated and melted for a long time. Therefore, the current traditional technical solution can only add a filter to filter the extrusion of the carbon fiber composite material, which will eventually affect the quality of the carbon fiber composite material, and some heating problems will occur. Therefore, a carbon fiber composite material hot melt extruder is proposed to solve the above-mentioned problems. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the shortcomings of the prior art, the present invention provides a carbon fiber composite material hot melt extruder, which solves the problem in the prior art that there is a combination of molten material and particulate matter in a certain proportion during the extrusion process of the carbon fiber composite material, resulting in instability and low quality of the carbon fiber composite material during extrusion.

[0005] (II) Technical solution To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a carbon fiber composite material hot melt extruder, comprising a yarn unwinding module; a yarn spreading module; a heating module; an impregnation and shaping module; a traction module for traction of the extruded material; a winding module for winding the extruded material; including an extrusion module for spiral pressurized extrusion of the carbon fiber composite material: the extrusion module includes an organism; an extrusion assembly for spiral extrusion of the carbon fiber composite material; a transmission module for driving the operation of the extrusion assembly; a hot melt module for fusing and discharging the composite material; the extrusion assembly includes a conveying device, a grinding and pressing device and an extrusion device; the conveying device conveys the raw material into the grinding and pressing device, and uses the grinding and pressing device for crushing and melting treatment; the extrusion device is used to drive the grinding and pressing device for lateral sliding extrusion to pressurize the material.

[0006] Preferably, the transmission module includes a power motor, the output end of the power motor is fixedly connected to pulley one, the pulley one is transmission connected to pulley two through multiple belts, the axis of pulley two is connected to a gearbox through a shaft, the gearbox is installed on the machine body, a bearing seat is installed on one side of the gearbox, and the gearbox is transmission connected to the extrusion assembly through an internal gear set.

[0007] Preferably, the conveying device includes a sleeve body, a center sleeve is provided in the middle of the sleeve body, a left spiral shaft and a right spiral shaft are provided inside the sleeve body, the left end of the left spiral shaft is connected to the output shaft inside the gearbox, the surface of the sleeve body is fixedly connected to a frame body, the frame body is also connected to a feed hopper, and the bottom of the feed hopper is connected to the sleeve body.

[0008] Preferably, the grinding and pressing device includes a left grinding disc, which is connected to the sleeve body through a connecting piece, and the middle part of the left grinding disc is rotatably connected to a central shaft, one end of the central shaft is connected to the left spiral shaft, and the other end of the central shaft is connected to the right spiral shaft through a support, and the surface of the central shaft is slidably connected to the right grinding disc, and a running-in space is formed between the right grinding disc and the left grinding disc, a plurality of dividing holes are opened on the left side of the central sleeve, and a feed port and a discharge port are opened on the central shaft, and the material in the sleeve body is transported by the rotation of the left spiral shaft, enters the feed port from the position of the dividing hole, and finally flows into the running-in space from the position of the discharge port. Preferably, the surface of the right grinding disc is connected with a sliding sleeve, the surface of the sliding sleeve is provided with a long groove, and the surface of the sliding sleeve is provided with a spiral structure feed shaft.

[0009] Preferably, the extrusion device includes a rotating cam, a step is provided at the left end of the sliding sleeve, the surface of the rotating cam abuts against the step at the left end of the sliding sleeve, the bottom of the rotating cam is connected to a pinion through an axle, the surface of the pinion is meshed with positioning teeth, the positioning teeth are connected to the center sleeve through a connecting piece, the surface of the axle at the center of the pinion is rotatably connected to a rotating plate, the rotating plate is rotatably connected to the inside of the center sleeve, and the bottom of the axle at the center of the pinion is connected to the center axis.

[0010] Preferably, the surface of the shaft rod at the center of the pinion gear is also connected to a vertical shaft blade, two groups of extrusion devices are provided, and the two groups of extrusion devices are symmetrically distributed about the axis of the central shaft, a telescopic spring is sleeved on the surface of the central shaft, one end of the telescopic spring is connected to the right grinding disc, and the other end of the telescopic spring is fixedly connected to the support.

[0011] Preferably, the hot melt module includes an extrusion die, the extrusion die is fixedly mounted on a frame, one side of the extrusion die is connected to a die base by bolts, the die base is fixed to the frame by bolts, and a filter is arranged inside the die base. Preferably, a plurality of heating sleeves are arranged at intervals on the surface of the sleeve, and a hot air blower is arranged at the bottom of the heating sleeve. The hot air blower continuously blows out hot air and utilizes the heating element inside the heating sleeve to continuously and evenly heat the sleeve to melt the carbon fiber composite material inside the sleeve.

[0012] (III) Beneficial effects Compared with the prior art, the present invention provides a carbon fiber composite material hot melt extruder, which has the following beneficial effects: 1. The carbon fiber composite material hot melt extruder can realize the diversion and extrusion feeding of carbon fiber through the set extrusion module, and can also perform blending and running-in of the diverted materials to reduce the melting time of the composite material so that it can be quickly melted, and grind the fine particles inside to avoid the fusion and extrusion of some particles with the composite material, resulting in the blockage of the extruder filter and the reduction of the extrusion quality of the composite material.

[0013] 2. The carbon fiber composite material hot melt extruder can realize the traditional transverse spiral extrusion through the extrusion device, and can also perform vertical extrusion and mixing to ensure that various materials can be fully blended together, avoiding the subsequent uneven fusion of various materials, which leads to reduced material extrusion quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a top view schematic diagram of the extrusion production line proposed in the present invention; Figure 2 It is a front schematic diagram of the extrusion production line proposed in the present invention; Figure 3 It is a connection diagram of the extrusion module, the impregnation and shaping module and the traction module proposed in the present invention; Figure 4 It is a schematic diagram of the overall structure of a carbon fiber composite material hot melt extruder proposed in the present invention; Figure 5 This is a schematic diagram of the transmission module structure of a carbon fiber composite material hot melt extruder proposed by the present invention; Figure 6 A schematic diagram of an extrusion assembly of a carbon fiber composite material hot melt extruder proposed by the present invention; Figure 7 This is a schematic diagram of a sliding sleeve connection structure of a carbon fiber composite material hot melt extruder proposed by the present invention; Figure 8 For the present invention Figure 7 The enlarged structural diagram at A in the middle; Fig. 9 This is a schematic diagram of the cross-sectional structure of a sliding sleeve of a carbon fiber composite material hot melt extruder proposed by the present invention; Fig.10 A schematic diagram of the hot melt module structure of a carbon fiber composite material hot melt extruder proposed by the present invention; In the figure: 111, extrusion module; 112, yarn laying module; 113, yarn spreading module; 114, heating module; 115, impregnation and shaping module; 116, traction module; 117, winding module; 1, machine body; 2, transmission module; 201, power motor; 202, pulley 1; 203, pulley 2; 204, gearbox; 205, bearing seat; 3, feed hopper; 4, frame; 5, hot melt module; 501, extrusion die; 502, filter screen; 503, die base; 504, heating sleeve; 505, hot air blower; 6, extrusion Components; 601, left screw shaft; 602, sleeve body; 603, center sleeve; 604, right screw shaft; 605, extrusion device; 6051, sliding sleeve; 6052, long groove; 6053, vertical shaft blade; 6054, positioning tooth; 6055, rotating cam; 6056, rotating sheet; 6057, pinion; 606, center shaft; 607, feed port; 608, discharge port; 609, left grinding disc; 610, right grinding disc; 611, telescopic spring; 612, support; 613, feed shaft; 614, dividing hole. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments 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.

[0016] See also Figure 1-Figure 3 , a carbon fiber composite material hot melt extruder, used in traditional extrusion production lines, such as Figure 1 The extrusion production line includes a yarn laying module 112, a yarn spreading module 113, a heating module 114, an impregnation and shaping module 115, a traction module 116, a winding module 117, and an extrusion module 111. The overall production process is as follows: Different numbers of carbon fiber precursors are installed on the yarn-unwinding module 112 according to the different widths of the desired products, and then the carbon fiber precursors are inserted into the carbon fiber primary unfolding device to flatten and widen them, and then the unfolded carbon fiber filaments are inserted into the desizing furnace desizing device to remove the epoxy resin on the carbon fiber surface at high temperature, and then the carbon fiber precursors are inserted into the carbon fiber secondary unfolding device to flatten and widen the desizing carbon fiber filaments again, and then inserted into the mold forming device. The extrusion module heats the resin to be used to the melting temperature, and then squeezes it into the mold forming device. At this time, the carbon fiber filaments and the molten resin are mixed, extruded, and molded in the mold forming device to form a thermoplastic carbon fiber reinforced composite material. The traction module 116 pulls the molded sheet forward from the mold forming device and sends it to the winding module 117 for winding to obtain a thermoplastic carbon fiber reinforced composite coil, which can be cut according to the different length requirements of the customer to meet the customer's requirements.

[0017] In this embodiment, please refer to Figure 3-Figure 10 The extrusion module 111 includes a machine body 1; an extrusion assembly 6 for spirally extruding the carbon fiber composite material; a transmission module 2 for driving the operation of the extrusion assembly 6; the transmission module 2 includes a power motor 201, the output end of the power motor 201 is fixedly connected with a pulley 1 202, the pulley 1 202 is connected to the pulley 2 203 through multiple belts, the axis of the pulley 2 203 is connected to a gearbox 204 through an axle, the gearbox 204 is mounted on the machine body 1, a bearing seat 205 is mounted on one side of the gearbox 204, and the gearbox 204 is connected to the extrusion assembly 6 through an internal gear set. The rotation of the power motor 201 will drive the rotation of the pulley 1 202, and the transmission of multiple belts will drive the internal gears of the gearbox 204 to rotate, and the left spiral shaft 601 is driven through the internal output of the gearbox 204, thereby providing an extrusion output power source.

[0018] It is worth noting that the extrusion assembly 6 includes a conveying device, a grinding and pressing device and an extrusion device 605; the conveying device conveys the raw materials into the grinding and pressing device, and the grinding and pressing device is used for crushing and melting treatment; the extrusion device 605 is used to drive the grinding and pressing device to perform lateral sliding extrusion and pressurize the material.

[0019] Furthermore, the conveying device includes a sleeve 602, a central sleeve 603 is provided in the middle of the sleeve 602, a left screw shaft 601 and a right screw shaft 604 are provided inside the sleeve 602, the left end of the left screw shaft 601 is connected to the output shaft inside the gearbox 204, the surface of the sleeve 602 is fixedly connected to the frame 4, the frame 4 is also connected to the feed hopper 3, and the bottom of the feed hopper 3 is connected to the sleeve 602. Then the left screw shaft 601 is driven to rotate, and then the left screw shaft 601 uses the spiral blades on the surface to transport the material horizontally.

[0020] Furthermore, the grinding and pressing device includes a left grinding disc 609, which is connected to the center sleeve 603 through a connecting piece, and the middle part of the left grinding disc 609 is rotatably connected to the center shaft 606, one end of the center shaft 606 is connected to the left spiral shaft 601, and the other end of the center shaft 606 is connected to the right spiral shaft 604 through a support 612, and the surface of the center shaft 606 is slidably connected to the right grinding disc 610, and a running-in space is formed between the right grinding disc 610 and the left grinding disc 609, a plurality of dividing holes 614 are opened on the left side of the center sleeve 603, and a feed port 607 and a discharge port 608 are opened on the center shaft 606, and the material in the sleeve body 602 is transported by the rotation of the left spiral shaft 601, enters the position of the feed port 607 from the position of the dividing hole 614, and finally flows into the running-in space from the position of the discharge port 608. As the material is transported horizontally, it will be diverted from multiple dividing holes 614 to the interior of the vertical shaft blade 6053, and then enter the interior of the feed port 607, and be discharged from the internal channel of the central axis 606 from the position of the discharge port 608 to enter the running-in space. When the left spiral shaft 601 rotates, it will drive the rotation of the central axis 606, and then drive the right grinding disc 610 connected to its surface to rotate. The mutual rotation and extrusion of the right grinding disc 610 and the left grinding disc 609 will run-in the carbon fiber material in a molten state, similar to the rotation and extrusion principle of the "grinding disc", so that the fixed particles inside can be fully ground and fully melted in the carbon fiber material.

[0021] In addition, the surface of the right grinding disc 610 is connected with a sliding sleeve 6051, the surface of the sliding sleeve 6051 is provided with long slots 6052, and the surface of the sliding sleeve 6051 is provided with a spiral structure feed shaft 613. When the sliding sleeve 6051 moves to the right, as the left spiral shaft 601 rotates continuously, a certain extrusion force is generated, and then the molten material is extruded from the positions of the multiple long slots 6052, and then enters the surface of the feed shaft 613, and the spiral blades on the surface of the feed shaft 613 transport the extruded material horizontally.

[0022] In addition, the extrusion device 605 includes a rotating cam 6055, a step is provided at the left end of the sliding sleeve 6051, the surface of the rotating cam 6055 abuts against the step at the left end of the sliding sleeve 6051, the bottom of the rotating cam 6055 is connected to a small gear 6057 through an axle, the surface of the small gear 6057 is meshed with a positioning tooth 6054, the positioning tooth 6054 is connected to the center sleeve 603 through a connecting piece, and the surface of the axle at the center of the small gear 6057 is rotatably connected to a rotating piece 6056. Because the small gear 6057 as a whole is to be rotated, the connection of the rotating piece 6056 can ensure the sealing of the connection to prevent the solution from entering the rotating In the internal space of the cam 6055, the rotating piece 6056 is rotatably connected to the inside of the center sleeve 603, and the bottom of the shaft rod in the center of the pinion 6057 is connected to the center shaft 606. When the pinion 6057 rotates, it can also drive the rotating cam 6055 to rotate. The rotation of the cam will drive the sliding sleeve 6051 to move left and right, and the left and right movement of the sliding sleeve 6051 will drive the right grinding disc 610 to move laterally in the direction of the left grinding disc 609, realizing an extrusion action. Therefore, the whole process is that the right grinding disc 610 itself can also realize continuous lateral movement in the left and right directions during the rotation, thereby pressurizing the material inside the running-in space. The shaft surface at the center of the pinion 6057 is also connected with a vertical shaft leaf 6053. The extrusion device 605 is provided with two groups, and the two groups of extrusion devices 605 are symmetrically distributed with the axis of the central axis 606. The surface of the central axis 606 is sleeved with a telescopic spring 611. One end of the telescopic spring 611 is connected to the right grinding disc 610. With the rotation of the pinion 6057, the pinion 6057 will be driven to rotate with the central axis 606, and can also rotate with the center of the vertical shaft leaf 6053. Therefore, at this time, the vertical shaft leaf 6053 will stir the internal molten material to ensure that after the diversion, it will be rectified again to ensure the full fusion of the material and improve the quality of the extrusion. The other end of the telescopic spring 611 is fixedly connected to the support 612. The telescopic spring 611 can be used to realize the rightward reset of the sliding sleeve 6051 after the horizontal movement of the sliding sleeve 6051 by the elastic force of the spring, so as to maintain the implementation of the cyclic extrusion action.

[0023] It is worth noting that the hot melt module 5 includes an extrusion die 501, which is fixedly mounted on the frame 4. One side of the extrusion die 501 is connected to a die base 503 by bolts. The die base 503 is fixed to the frame 4 by bolts. A filter screen 502 is arranged inside the die base 503. With the rotation of the right spiral shaft 604, the material is spirally conveyed in a traditional manner and finally enters the position of the extrusion die 501. The material is filtered by the filter screen 502 and extruded from the outlet. Because it is difficult to guarantee that there may be particles in the material that cannot be crushed, the filter screen 502 at this time serves to provide protective filtering for the material.

[0024] It is worth noting that a plurality of heating sleeves 504 are arranged at intervals on the surface of the sleeve 602, and a hot air blower 505 is arranged at the bottom of the heating sleeve 504. The hot air blower 505 continuously blows out hot air and uses the heating element inside the heating sleeve 504 to continuously and evenly heat the sleeve 602 to melt the carbon fiber composite material inside the sleeve 602. Because the material needs to be gradually melted during the transportation process, the heating element inside the heating sleeve 504 is used to heat and melt the material during the transportation process, and the air supply of the hot air blower 505 can ensure that the internal temperature gradually maintains a constant and uniform temperature.

[0025] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0026] The working principle is as follows: first, the raw materials of carbon fiber composite materials are put into the feed hopper 3 through mechanical equipment or manually, and then with the transmission of the transmission module 2, the rotation of the power motor 201 will drive the rotation of the pulley 202, and the transmission of multiple belts will drive the internal gears of the gearbox 204 to rotate, thereby driving the rotation of the left spiral shaft 601. Then, the left spiral shaft 601 uses the spiral blades on the surface to transport the materials horizontally. During the transportation process, the heating elements inside the heating sleeve 504 are used to heat and melt the materials in the transportation process. With the horizontal transportation of the materials, they will be diverted from multiple dividing holes 614 to the inside of the vertical shaft blades 6053, and then enter the inside of the feed port 607, and be discharged from the position of the discharge port 608 from the internal channel of the central shaft 606, and enter the running-in space. When the left spiral shaft 601 rotates, it will drive the rotation of the central shaft 606, thereby The right grinding disc 610 connected to its surface is driven to rotate, and the mutual rotation and extrusion of the right grinding disc 610 and the left grinding disc 609 will grind the carbon fiber material in the molten state, which is similar to the rotation and extrusion principle of the "grinding disc", so that the fixed particles inside are fully ground and fully melted in the carbon fiber material, and with the rotation of the central axis 606, the vertical shaft blade 6053 is also driven to rotate, and the small gear 6057 above the vertical shaft blade 6053 is meshed with the positioning tooth 6054. Because the positioning tooth 6054 is connected to the central sleeve 603 in a relatively fixed state, the small gear 6057 is driven to rotate with the central axis 606 as the small gear 6057 rotates, and can also rotate with the center of the vertical shaft blade 6053. Therefore, at this time, the vertical shaft blade 6053 will stir the internal molten material to ensure that after the diversion, it is rectified again to ensure that the material is fully integrated and the quality of extrusion is improved.At the same time, an extrusion device is provided. When the pinion 6057 rotates, it can also drive the rotating cam 6055 to rotate. The rotation of the cam will drive the sliding sleeve 6051 to move left and right. The left and right movement of the sliding sleeve 6051 will drive the right grinding disc 610 to move laterally in the direction of the left grinding disc 609 to achieve an extrusion action. Therefore, the whole process is that the right grinding disc 610 itself can also achieve continuous lateral movement in the left and right directions during the rotation process, thereby pressurizing the material inside the running-in space. After the sliding sleeve 6051 moves to the right, as the left spiral shaft 601 continues to rotate, a certain extrusion force will be generated. Then the molten material is extruded from the position of the multiple long slots 6052, and then enters the surface of the feed shaft 613. With the spiral blades on the surface of the feed shaft 613, the extruded material is transported horizontally and transported to the left end of the right spiral shaft 604. With the synchronous connection and rotation of the right spiral shaft 604 and the left spiral shaft 601, the material is spirally transported in a traditional way, and finally enters the position of the extrusion die 501. It is filtered by the filter 502 and extruded from the outlet. Because it is difficult to guarantee that there may be particles in the material that cannot be crushed, the filter 502 at this time has the effect of protecting and filtering it. The overall use of horizontal spiral extrusion, and then the use of vertical diversion stirring action, and then the grinding disc-type rolling process can greatly ensure the full fusion of the material, so that the extruded material has a better effect and better quality.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including 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 device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Claims

1. A carbon fiber composite material hot melt extruder, comprising: Yarn placing module (112); Yarn spreading module (113); Heating module (114); Dipping and shaping module (115); A traction module (116), used for traction of the extruded material; A winding module (117), used for winding the extruded material; It is characterized in that The invention comprises an extrusion module (111) for spirally pressurizing and extruding a carbon fiber composite material: The extrusion module (111) comprises Body (1); An extrusion assembly (6) for spirally extruding the carbon fiber composite material; A transmission module (2) for driving the extrusion assembly (6); A hot melt module (5) is used to fuse and discharge the composite material; The extrusion assembly (6) comprises a conveying device, a grinding and pressing device and an extrusion device (605); The conveying device conveys the raw materials into the grinding and pressing device, and the grinding and pressing device is used to perform a crushing and melting process; the extrusion device (605) is used to drive the grinding and pressing device to perform a transverse sliding extrusion, thereby performing a pressurized extrusion on the material.

2. A carbon fiber composite material hot melt extruder according to claim 1, characterized in that: The transmission module (2) comprises a power motor (201), the output end of the power motor (201) is fixedly connected to a pulley 1 (202), the pulley 1 (202) is transmission-connected to a pulley 2 (203) via a plurality of belts, the axis of the pulley 2 (203) is connected to a gearbox (204) via a shaft, the gearbox (204) is mounted on the machine body (1), a bearing seat (205) is mounted on one side of the gearbox (204), and the gearbox (204) is transmission-connected to an extrusion assembly (6) via an internal gear set.

3. A carbon fiber composite material hot melt extruder according to claim 2, characterized in that: The conveying device comprises a sleeve body (602), a central sleeve (603) is arranged in the middle of the sleeve body (602), a left spiral shaft (601) and a right spiral shaft (604) are arranged inside the sleeve body (602), the left end of the left spiral shaft (601) is connected to the output shaft inside the gearbox (204), the surface of the sleeve body (602) is fixedly connected to a frame body (4), the frame body (4) is also connected to a feed hopper (3), and the bottom of the feed hopper (3) is connected to the sleeve body (602).

4. A carbon fiber composite material hot melt extruder according to claim 3, characterized in that: The grinding and pressing device comprises a left grinding disc (609), wherein the left grinding disc (609) is connected to a center sleeve (603) via a connecting piece, and the middle of the left grinding disc (609) is rotatably connected to a center shaft (606), one end of the center shaft (606) is connected to a left spiral shaft (601), and the other end of the center shaft (606) is connected to a right spiral shaft (604) via a support (612), and the surface of the center shaft (606) is slidably connected to a right grinding disc (610). A running-in space is formed between the right grinding disc (610) and the left grinding disc (609), a plurality of dividing holes (614) are provided on the left side of the center sleeve (603), a feed port (607) and a discharge port (608) are provided on the center shaft (606), and the material in the sleeve body (602) is transported by the rotation of the left spiral shaft (601), enters the feed port (607) from the position of the dividing hole (614), and finally flows into the running-in space from the position of the discharge port (608).

5. A carbon fiber composite material hot melt extruder according to claim 4, characterized in that: The surface of the right grinding disc (610) is connected to a sliding sleeve (6051), the surface of the sliding sleeve (6051) is provided with a long groove (6052), and the surface of the sliding sleeve (6051) is provided with a spiral structure feed shaft (613).

6. A carbon fiber composite material hot melt extruder according to claim 5, characterized in that: The extrusion device (605) comprises a rotating cam (6055). A step is provided at the left end of the sliding sleeve (6051). The surface of the rotating cam (6055) abuts against the step at the left end of the sliding sleeve (6051). The bottom of the rotating cam (6055) is connected to a pinion (6057) via a shaft. The surface of the pinion (6057) is meshed with a positioning tooth (6054). The positioning tooth (6054) is connected to the center sleeve (603) via a connecting piece. The surface of the shaft at the center of the pinion (6057) is rotatably connected to a rotating plate (6056). The rotating plate (6056) is rotatably connected to the inside of the center sleeve (603). The bottom of the shaft at the center of the pinion (6057) is connected to the center shaft (606).

7. A carbon fiber composite material hot melt extruder according to claim 6, characterized in that: The surface of the shaft at the center of the pinion (6057) is also connected to a vertical shaft blade (6053). Two groups of extrusion devices (605) are provided, and the two groups of extrusion devices (605) are symmetrically distributed about the axis of the central axis (606). A telescopic spring (611) is sleeved on the surface of the central axis (606), one end of the telescopic spring (611) is connected to the right grinding disc (610), and the other end of the telescopic spring (611) is fixedly connected to the support (612).

8. A carbon fiber composite material hot melt extruder according to claim 7, characterized in that: The hot melt module (5) comprises an extrusion die (501), the extrusion die (501) being fixedly mounted on a frame (4), one side of the extrusion die (501) being connected to a die base (503) via bolts, the die base (503) being fixed to the frame (4) via bolts, and a filter screen (502) being arranged inside the die base (503).

9. A carbon fiber composite material hot melt extruder according to claim 8, characterized in that: A plurality of heating sleeves (504) are arranged at intervals on the surface of the sleeve (602), and a hot air blower (505) is arranged at the bottom of the heating sleeve (504). The hot air blower (505) continuously blows out hot air and utilizes the heating element inside the heating sleeve (504) to continuously and evenly heat the sleeve (602), thereby melting the carbon fiber composite material inside the sleeve (602).

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