Short carbon fiber granulation equipment

Abstract

The invention discloses short carbon fiber granulation equipment and relates to the technical field of fiber granulation, the short carbon fiber granulation equipment comprises a feeding table and a screening box, the screening box is arranged below one end of the feeding table, a plurality of feeding grooves are formed in the upper end of the feeding table at equal intervals, and a first mounting frame is arranged above the feeding table; a feeding roller is arranged at the top of the first mounting frame, a second motor is arranged in the first mounting frame, a cutting groove is formed in the upper portion of one end of the feeding table, a third mounting frame is arranged above the feeding table, a cutter is arranged on the inner side of the third mounting frame, and a second electric push rod is arranged above the cutter. According to the granulation equipment, a plurality of feeding grooves are formed in the feeding table at equal intervals, a plurality of carbon fibers can be flattened on the feeding table, the flattened carbon fibers can be fixed at the same time, falling cutters can make full contact with the carbon fibers, the multiple carbon fibers are cut off at the same time, and the cutting precision of the carbon fibers is improved.

Description

Technical Field

[0001] The invention relates to the technical field of fiber granulation, in particular to short carbon fiber granulation equipment. Background Art

[0002] Short carbon fiber is a high-performance reinforcing material. By cutting continuous carbon fibers into chopped strands, it combines high strength, high modulus, low density, and excellent electrical and thermal conductivity. It is widely used in composite materials, electronics, automotive, aerospace, and other fields. Short carbon fiber pelletization is the process of combining chopped carbon fibers with a plastic matrix to form a granular material. The resin and chopped fibers are mixed and extruded through a twin-screw extruder. The pellets are then cooled with water, dried with an air knife, and diced.

[0003] The Chinese patent publication number is CN218874140U, and the authorization announcement date is April 18, 2023. A carbon fiber chopped granulation device includes a main body, a chopped granulation mechanism and a buffer cleaning mechanism. The chopped granulation mechanism is located at the upper end of the main body, and the buffer cleaning mechanism is located on the right side of the chopped granulation mechanism. The main body includes a processing table, a buffer support leg and a mounting slot. The buffer support leg is fixedly mounted on the lower end of the processing table, and the mounting slot is fixedly arranged on the upper end of the processing table. The carbon fiber chopped granulation device, through the installation of the chopped granulation mechanism, realizes the convenience of adjusting the position of carbon fiber cutting, does not require manual adjustment by the staff, and has a better cutting effect. The upper pressing plate can fix the carbon fiber to prevent it from moving during cutting, resulting in inaccurate damage to the cutting position, and can ensure the effect of carbon fiber short processing, thereby improving the cutting effect of the carbon fiber chopped granulation device.

[0004] Existing granulation equipment cuts carbon fiber through a cutting mechanism. When cutting multiple carbon fibers, the carbon fibers need to be gathered into a ball. The fixing mechanism cannot fix the agglomerated carbon fibers well. The carbon fibers are easily offset during cutting, which reduces the precision of carbon fiber granulation and cannot meet the use requirements. Summary of the Invention

[0005] The purpose of the present invention is to provide a short carbon fiber granulation equipment to solve the problem proposed in the above background technology that the existing granulation equipment cuts the carbon fiber through a cutting mechanism, and when cutting multiple carbon fibers, the carbon fibers need to be gathered into a ball, and the fixing mechanism cannot fix the agglomerated carbon fibers well. The carbon fibers are easily offset during cutting, which reduces the accuracy of carbon fiber granulation and cannot meet the use requirements.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a short carbon fiber granulation equipment, comprising a feeding platform and a screening box, the screening box is arranged below one end of the feeding platform, a plurality of feeding troughs are equidistantly arranged on the upper end of the feeding platform, a first mounting frame is arranged above the feeding platform, a feeding roller is arranged on the top of the first mounting frame, and the feeding roller is rotatably connected to the first mounting frame, a second motor is arranged inside the first mounting frame, and the second motor is connected to the first mounting frame by screws, an output end of the second motor is connected to one end of the feeding roller, a cutting groove is provided on the upper part of one end of the feeding platform, a third mounting frame is arranged above the feeding platform, and the third mounting frame is connected to the upper The material table is fixedly connected, and a cutter is provided on the inner side of the third mounting frame, and the cutter is provided above the cutting groove, and the cutter and the cutting groove are arranged correspondingly, a second electric push rod is provided above the cutter, and the second electric push rod is connected to the third mounting frame by screws, and the telescopic end of the second electric push rod is connected to the cutter, and a sieve plate is provided inside the screening box, and the sieve plate is fixedly connected to the screening box, a first discharge port is provided on one side of the screening box, and the first discharge port is provided at the upper end of the sieve plate, a discharge plate is provided on the outside of the first discharge port, and the discharge plate is plugged into the screening box, a second discharge port is provided on one side of the lower part of the screening box, and the bottom of the screening box is inclined toward the second discharge port.

[0007] Preferably, a plurality of second grooves are equidistantly arranged on the outer wall of the feeding roller, and the second grooves are arranged corresponding to the feeding grooves, and a mounting groove is provided on the side wall of the feeding platform, the lower end of the first mounting frame extends to the interior of the mounting groove, and the first mounting frame is slidingly connected to the feeding platform, a first electric push rod is provided inside the mounting groove, and the first electric push rod is connected to the feeding platform by screws, the first electric push rod is provided below the first mounting frame, and the telescopic end of the first electric push rod is connected to the first mounting frame.

[0008] Preferably, a hollow cavity is provided on the loading platform, a second mounting bracket is provided above the loading platform, and the second mounting bracket is fixedly connected to the loading platform, a hot air blower is provided above the hollow cavity, and the hot air blower is connected to the second mounting bracket by screws.

[0009] Preferably, a pressure plate is provided above the loading platform, and a plurality of first grooves are equidistantly provided at the lower end of the pressure plate, and the first grooves are provided corresponding to the loading trough, and a through hole is provided at both ends of the pressure plate, and a connecting column is provided inside the through hole, and the connecting column and the pressure plate are slidably connected, and the lower end of the connecting column is fixedly connected to the loading platform, and a connecting nut is provided above the pressure plate, and the connecting nut is threadedly connected to the connecting column, and a compression spring is slidably provided on the outside of the connecting column, and the compression spring is provided below the pressure plate.

[0010] Preferably, a fourth mounting bracket is provided above the loading platform, and the fourth mounting bracket is fixedly connected to the loading platform, a dust collection plate is provided on the top of the fourth mounting bracket, and the dust collection plate is connected to the fourth mounting bracket by screws, a dust collection box and an exhaust fan are provided above the fourth mounting bracket, and the dust collection box and the exhaust fan are connected to the fourth mounting bracket by screws, and the dust collection box is connected to the exhaust fan and the dust collection plate.

[0011] Preferably, a rotating shaft is provided inside the screening box, two rotating shafts are provided, and the rotating shaft is rotatably connected to the screening box, the rotating shaft is provided below the screen plate, cams are equidistantly provided on the outside of the rotating shaft, and the cams are fixedly connected to the rotating shaft, a driving bin is provided on one side of the screening box, and the driving bin is fixedly connected to the screening box, a first motor is provided on one side of the driving bin, and the first motor is connected to the driving bin by screws, a pulley transmission assembly is provided inside the driving bin, and the pulley transmission assembly is connected to the output end of the first motor and one end of the rotating shaft.

[0012] Preferably, a slide groove is provided on the side wall of the third mounting frame, a slide rod is provided on both sides of the cutter, and one end of the slide rod is fixedly connected to the cutter, the other end of the slide rod extends to the inside of the slide groove, and the slide rod is slidably connected to the third mounting frame.

[0013] Preferably, support columns are provided below the loading platform and the screening box, and the support columns are connected to the loading platform and the screening box by screws, and shock-absorbing seats are provided below the support columns, and the shock-absorbing seats are fixedly connected to the support columns.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The device of the invention is provided with a feeding trough, a first mounting frame, a feeding roller, a first electric push rod, a pressing plate, a connecting column and a connecting nut. The carbon fiber is placed in the feeding trough and the carbon fiber is spread flat on the feeding table. The first electric push rod is driven to drive the first mounting frame to descend, so that the feeding roller contacts the spread carbon fiber. The second motor is turned on to drive the feeding roller to rotate. The rotating feeding roller applies an oblique downward thrust to the carbon fiber. Under the action of the thrust, the carbon fiber is transported and loaded. The connecting nut is rotated to adjust the height of the pressing plate, so that the pressing plate contacts the carbon fiber, clamps and fixes the carbon fiber to be cut, avoids the carbon fiber from deflecting during cutting, improves the carbon fiber cutting accuracy, and can achieve precise cutting of multiple carbon fibers at one time.

[0016] 2. The device of the invention is equipped with a screen plate, a first motor, a rotating shaft, a cam and a pulley transmission assembly. The carbon fiber particles fall onto the screen plate, which screens the carbon fiber particles. The carbon fiber particles that meet the requirements fall from the screen plate. The first motor drives the pulley transmission assembly to operate. As the pulley transmission assembly operates, the two rotating shafts rotate synchronously. As the rotating shaft rotates, the cam hits the bottom of the screen plate, driving the screen plate to shake, shaking off the carbon fiber particles that have fallen on the screen plate, and screening the carbon fiber particles more quickly.

[0017] 3. The device of the invention is provided with a hot air blower, which generates hot air and sprays it onto the transported carbon fiber, thereby drying the carbon fiber. The dried carbon fiber particles can be better screened and separated.

[0018] 4. The device of the invention is equipped with a dust collecting box, an exhaust fan and a dust collecting plate. The exhaust fan generates suction under the dust collecting plate. Under the action of the suction, the dust is drawn into the dust collecting box through the dust collecting plate. The dust collecting box filters the dust-laden air sent in to achieve the dust removal function. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 For the present invention Figure 1 A partial enlarged view of area A;

[0021] Figure 3 This is a diagram showing the connection between the first mounting bracket and the loading platform of the present invention;

[0022] Figure 4 It is a structural diagram of the pelletizing mechanism of the present invention;

[0023] Figure 5 This is a diagram showing the connection between the pressing plate and the loading platform of the present invention;

[0024] Figure 6 is a cross-sectional view of the screening box of the present invention;

[0025] Figure 7 This is a diagram showing the connection between the rotating shaft and the screening box of the present invention;

[0026] Figure 8 This is a connection diagram of the dust collection mechanism of the present invention.

[0027] In the figure: 1, feeding platform; 2, screening box; 3, feeding chute; 4, supporting column; 5, shock absorber; 6, sieve plate; 7, first discharge port; 8, discharge plate; 9, second discharge port; 10, drive chamber; 11, first motor; 12, first mounting frame; 13, feeding roller; 14, second mounting frame; 15, third mounting frame; 16, fourth mounting frame; 17, dust collecting box; 18, exhaust fan; 19, hollow cavity; 20, Hot air blower; 21. Pressing plate; 22. First groove; 23. Connecting column; 24. Dust collecting plate; 25. Second groove; 26. Second motor; 27. Mounting groove; 28. First electric push rod; 29. ​​Cutting groove; 30. Slide groove; 31. Cutter; 32. Second electric push rod; 33. Slide rod; 34. Through hole; 35. Connecting nut; 36. Compression spring; 37. Rotating shaft; 38. Cam; 39. Pulley transmission assembly. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] See also Figure 1-8 , an embodiment of the present invention provides: a short carbon fiber granulation equipment, including a feeding platform 1 and a screening box 2, the screening box 2 is arranged below one end of the feeding platform 1, and a plurality of feeding troughs 3 are equidistantly arranged on the upper end of the feeding platform 1, a first mounting frame 12 is arranged above the feeding platform 1, and a feeding roller 13 is arranged on the top of the first mounting frame 12, and the feeding roller 13 is rotatably connected to the first mounting frame 12, a second motor 26 is arranged inside the first mounting frame 12, and the second motor 26 is connected to the first mounting frame 12 by screws, and the output end of the second motor 26 is connected to one end of the feeding roller 13, a cutting groove 29 is provided on the upper part of one end of the feeding platform 1, and a third mounting frame 15 is arranged above the feeding platform 1, and the third mounting frame 15 is fixed to the feeding platform 1 Connection, a cutter 31 is provided on the inner side of the third mounting bracket 15, and the cutter 31 is provided above the cutting groove 29, and the cutter 31 is arranged corresponding to the cutting groove 29, and a second electric push rod 32 is provided above the cutter 31, and the second electric push rod 32 is connected to the third mounting bracket 15 by screws, and the telescopic end of the second electric push rod 32 is connected to the cutter 31, and a sieve plate 6 is provided inside the screening box 2, and the sieve plate 6 is fixedly connected to the screening box 2, a first discharge port 7 is provided on one side of the screening box 2, and the first discharge port 7 is provided at the upper end of the sieve plate 6, a discharge plate 8 is provided on the outside of the first discharge port 7, and the discharge plate 8 is plugged into the screening box 2, and a second discharge port 9 is provided on one side of the lower part of the screening box 2, and the bottom of the screening box 2 is inclined toward the second discharge port 9.

[0030] During use: the carbon fiber is placed in the feeding trough 3, the carbon fiber is spread flat on the feeding platform 1, and the feeding roller 13 is brought into contact with the spread carbon fiber, the second motor 26 is turned on to drive the feeding roller 13 to rotate, and the rotating feeding roller 13 applies an oblique downward thrust to the carbon fiber, and the carbon fiber is conveyed and loaded under the action of the thrust, and the carbon fiber feeding speed is adjusted by controlling the rotation speed of the feeding roller 13, and the second electric push rod 32 is driven to drive the cutter 31 to rise and fall, and the falling cutter 31 contacts the carbon fiber, and the carbon fiber is cut with the help of the cutter 31 to realize carbon fiber granulation, and the size of the carbon fiber particles can be changed by controlling the lifting speed of the cutter 31, and the carbon fiber particles fall onto the sieve plate 6, and the sieve plate 6 screens the carbon fiber particles, and the carbon fiber particles that meet the requirements fall from the sieve plate 6, and the fallen carbon fiber particles are discharged from the second discharge port 9, and the discharge plate 8 is taken out from the first discharge port 7, and the large-volume carbon fiber particles are discharged from the first discharge port 7.

[0031] See also Figure 1 and Figure 3 , a plurality of second grooves 25 are equidistantly arranged on the outer wall of the feeding roller 13, and the second grooves 25 are arranged corresponding to the feeding groove 3, and a mounting groove 27 is arranged on the side wall of the feeding platform 1, and the lower end of the first mounting frame 12 extends to the inside of the mounting groove 27, and the first mounting frame 12 is slidingly connected to the feeding platform 1, and a first electric push rod 28 is arranged inside the mounting groove 27, and the first electric push rod 28 is connected to the feeding platform 1 by screws. The first electric push rod 28 is arranged below the first mounting frame 12, and the telescopic end of the first electric push rod 28 is connected to the first mounting frame 12. The first electric push rod 28 drives the first mounting frame 12 to rise and fall. As the first mounting frame 12 rises and falls, the height of the feeding roller 13 is changed, and the distance between the feeding roller 13 and the feeding platform 1 is adjusted, so that carbon fibers of different diameters can be fed and conveyed, and the second groove 25 limits the conveyed carbon fibers.

[0032] See also Figure 1 、 Figure 2 and Figure 5A hollow cavity 19 is provided on the loading platform 1, a second mounting bracket 14 is provided above the loading platform 1, and the second mounting bracket 14 is fixedly connected to the loading platform 1, a hot air blower 20 is provided above the hollow cavity 19, and the hot air blower 20 is connected to the second mounting bracket 14 by screws, a pressing plate 21 is provided above the loading platform 1, a plurality of first grooves 22 are equidistantly provided at the lower end of the pressing plate 21, and the first grooves 22 are arranged corresponding to the loading trough 3, a through hole 34 is provided at both ends of the pressing plate 21, a connecting column 23 is provided inside the through hole 34, and the connecting column 23 is slidably connected to the pressing plate 21, the lower end of the connecting column 23 is fixedly connected to the loading platform 1, a connecting nut 35 is provided above the pressing plate 21, and the connecting nut 35 is threadedly connected to the connecting column 23, The outer sliding of the connecting column 23 is provided with a compression spring 36, and the compression spring 36 is arranged below the pressure plate 21. A slide groove 30 is provided on the side wall of the third mounting frame 15. A slide rod 33 is provided on both sides of the cutter 31, and one end of the slide rod 33 is fixedly connected to the cutter 31, and the other end of the slide rod 33 extends to the inside of the slide groove 30, and the slide rod 33 is slidably connected to the third mounting frame 15. Turn on the hot air blower 20 to generate hot air to spray to the transported carbon fiber, and use the hot air to dry the carbon fiber. The dry carbon fiber particles can be better screened. Rotate the connecting nut 35 to adjust the height of the pressure plate 21, so that the pressure plate 21 contacts the carbon fiber, clamps and fixes the carbon fiber to be cut, avoids carbon fiber deviation during cutting, and improves the carbon fiber cutting accuracy.

[0033] See also Figure 1 and Figure 8 A fourth mounting bracket 16 is provided above the loading platform 1, and the fourth mounting bracket 16 is fixedly connected to the loading platform 1, a dust collection plate 24 is provided on the top of the fourth mounting bracket 16, and the dust collection plate 24 is connected to the fourth mounting bracket 16 by screws, a dust collecting box 17 and an exhaust fan 18 are provided above the fourth mounting bracket 16, and the dust collecting box 17 and the exhaust fan 18 are connected to the fourth mounting bracket 16 by screws, the dust collecting box 17 is connected to the exhaust fan 18 and the dust collection plate 24, and the exhaust fan 18 is turned on to generate suction below the dust collection plate 24. Under the action of the suction force, the dust is drawn into the dust collecting box 17 through the dust collection plate 24, and the dust collecting box 17 filters the dust-laden air sent in to realize the dust removal function.

[0034] See also Figure 1 、 Figure 6 and Figure 7, a rotating shaft 37 is provided inside the screening box 2, two rotating shafts 37 are provided, and the rotating shaft 37 is rotatably connected to the screening box 2, the rotating shaft 37 is provided below the screen plate 6, and cams 38 are equidistantly provided on the outside of the rotating shaft 37, and the cam 38 is fixedly connected to the rotating shaft 37, a driving bin 10 is provided on one side of the screening box 2, and the driving bin 10 is fixedly connected to the screening box 2, a first motor 11 is provided on one side of the driving bin 10, and the first motor 11 is connected to the driving bin 10 by screws, a pulley transmission assembly 39 is provided inside the driving bin 10, and the pulley transmission assembly 39 is connected to the output end of the first motor 11 and one end of the rotating shaft 37, the loading platform 1 and the screening box 2 is provided with a support column 4 below, and the support column 4 is connected to the loading platform 1 and the screening box 2 by screws. A shock-absorbing seat 5 is provided below the support column 4, and the shock-absorbing seat 5 is fixedly connected to the support column 4. The first motor 11 is turned on to drive the pulley transmission assembly 39 to operate. As the pulley transmission assembly 39 operates, the two rotating shafts 37 are driven to rotate synchronously. As the rotating shaft 37 rotates, the cam 38 hits the bottom of the screen plate 6, driving the screen plate 6 to shake, and the carbon fiber particles falling on the screen plate 6 are shaken off, and the carbon fiber particles are screened faster. The support column 4 and the shock-absorbing seat 5 constitute a supporting structure to support the granulation equipment. With the help of the shock-absorbing seat 5, it can also play a shock-absorbing role when the granulation equipment is running.

[0035] Working principle: put the carbon fiber into the feeding trough 3, spread the carbon fiber on the feeding table 1, drive the first electric push rod 28 to drive the first mounting frame 12 to descend, and drop the feeding roller 13 to contact the flat carbon fiber, turn on the second motor 26 to drive the feeding roller 13 to rotate, and the rotating feeding roller 13 applies an oblique downward thrust to the carbon fiber, and the carbon fiber is conveyed and fed under the action of the thrust, and the hot air blower 20 is turned on to generate hot air to spray to the conveyed carbon fiber, and the hot air is used to dry the carbon fiber; rotate the connecting nut 35 to adjust the height of the pressing plate 21, and make the pressing plate 21 contact with the carbon fiber, clamp and fix the carbon fiber to be cut, drive the second electric push rod 32 to drive the cutter 31 to rise and fall, and the falling cutter 31 contacts the carbon fiber, and the carbon fiber is cut with the help of the cutter 31 to realize carbon fiber granulation; carbon fiber granules It falls onto the sieve plate 6, and the sieve plate 6 screens the carbon fiber particles. The first motor 11 is turned on to drive the pulley transmission assembly 39 to operate. As the pulley transmission assembly 39 operates, the two rotating shafts 37 are driven to rotate synchronously. As the rotating shaft 37 rotates, the cam 38 hits the bottom of the sieve plate 6, and the carbon fiber particles fallen on the sieve plate 6 are shaken off. The carbon fiber particles are screened, and the carbon fiber particles that meet the requirements fall from the sieve plate 6, and the fallen carbon fiber particles are discharged from the second discharge port 9. The discharge plate 8 is taken out from the first discharge port 7, and the large-volume carbon fiber particles are discharged from the first discharge port 7; the exhaust fan 18 is turned on to generate suction under the dust collection plate 24. Under the action of suction, the dust is drawn into the dust collection box 17 through the dust collection plate 24, and the dust collection box 17 filters the dust-laden air sent in to achieve dust removal function.

[0036] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0037] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A short carbon fiber granulation device, comprising a loading platform (1) and a screening box (2), characterized in that: The screening box (2) is arranged below one end of the loading platform (1), and a plurality of loading troughs (3) are equidistantly arranged on the upper end of the loading platform (1). A first mounting frame (12) is arranged above the loading platform (1), and a loading roller (13) is arranged on the top of the first mounting frame (12), and the loading roller (13) is rotatably connected to the first mounting frame (12). A second motor (26) is arranged inside the first mounting frame (12), and the second motor (26) is connected to the first mounting frame (12) by screws, and the output end of the second motor (26) is connected to one end of the loading roller (13). A cutting groove (29) is arranged on the upper part of one end of the loading platform (1), and a third mounting frame (15) is arranged above the loading platform (1), and the third mounting frame (15) is fixedly connected to the loading platform (1), and a cutter (31) is arranged on the inner side of the third mounting frame (15). ), and the cutter (31) is arranged above the cutting groove (29), the cutter (31) and the cutting groove (29) are arranged correspondingly, a second electric push rod (32) is arranged above the cutter (31), and the second electric push rod (32) is connected to the third mounting frame (15) by screws, the telescopic end of the second electric push rod (32) is connected to the cutter (31), a sieve plate (6) is arranged inside the screening box (2), and the sieve plate (6) is fixedly connected to the screening box (2), a first discharge port (7) is provided on one side of the screening box (2), and the first discharge port (7) is provided at the upper end of the sieve plate (6), a discharge plate (8) is provided on the outside of the first discharge port (7), and the discharge plate (8) is plugged into the screening box (2), a second discharge port (9) is provided on one side of the lower part of the screening box (2), and the bottom of the screening box (2) is inclined toward the second discharge port (9).

2. A short carbon fiber granulation device according to claim 1, characterized in that: A plurality of second grooves (25) are equidistantly arranged on the outer wall of the feeding roller (13), and the second grooves (25) are arranged corresponding to the feeding grooves (3); a mounting groove (27) is arranged on the side wall of the feeding platform (1); the lower end of the first mounting frame (12) extends to the inside of the mounting groove (27), and the first mounting frame (12) is slidably connected to the feeding platform (1); a first electric push rod (28) is arranged inside the mounting groove (27), and the first electric push rod (28) is connected to the feeding platform (1) by screws; the first electric push rod (28) is arranged below the first mounting frame (12), and the telescopic end of the first electric push rod (28) is connected to the first mounting frame (12).

3. A short carbon fiber granulation device according to claim 1, characterized in that: A hollow cavity (19) is provided on the loading platform (1), a second mounting frame (14) is provided above the loading platform (1), and the second mounting frame (14) is fixedly connected to the loading platform (1), a hot air blower (20) is provided above the hollow cavity (19), and the hot air blower (20) is connected to the second mounting frame (14) by screws.

4. A short carbon fiber granulation device according to claim 1, characterized in that: A pressure plate (21) is provided above the loading platform (1), and a plurality of first grooves (22) are equidistantly provided at the lower end of the pressure plate (21), and the first grooves (22) are provided corresponding to the loading trough (3). A through hole (34) is provided at both ends of the pressure plate (21), and a connecting column (23) is provided inside the through hole (34), and the connecting column (23) is slidably connected to the pressure plate (21). The lower end of the connecting column (23) is fixedly connected to the loading platform (1), and a connecting nut (35) is provided above the pressure plate (21), and the connecting nut (35) is threadedly connected to the connecting column (23). A compression spring (36) is slidably provided on the outside of the connecting column (23), and the compression spring (36) is provided below the pressure plate (21).

5. The short carbon fiber granulation equipment according to claim 1, characterized in that: A fourth mounting frame (16) is provided above the loading platform (1), and the fourth mounting frame (16) is fixedly connected to the loading platform (1); a dust collecting plate (24) is provided on the top of the fourth mounting frame (16), and the dust collecting plate (24) is connected to the fourth mounting frame (16) by screws; a dust collecting box (17) and an exhaust fan (18) are provided above the fourth mounting frame (16), and the dust collecting box (17) and the exhaust fan (18) are connected to the fourth mounting frame (16) by screws; the dust collecting box (17) is connected to the exhaust fan (18) and the dust collecting plate (24).

6. The short carbon fiber granulation equipment according to claim 1, characterized in that: A rotating shaft (37) is provided inside the screening box (2), two rotating shafts (37) are provided, and the rotating shafts (37) are rotatably connected to the screening box (2), the rotating shaft (37) is provided below the screen plate (6), cams (38) are equidistantly provided outside the rotating shaft (37), and the cams (38) are fixedly connected to the rotating shaft (37), a driving chamber (10) is provided on one side of the screening box (2), and the driving chamber (10) is fixedly connected to the screening box (2), a first motor (11) is provided on one side of the driving chamber (10), and the first motor (11) is connected to the driving chamber (10) by screws, a pulley transmission assembly (39) is provided inside the driving chamber (10), and the pulley transmission assembly (39) is connected to the output end of the first motor (11) and one end of the rotating shaft (37).

7. The short carbon fiber granulation equipment according to claim 1, characterized in that: A slide groove (30) is provided on the side wall of the third mounting frame (15), and a slide rod (33) is provided on both sides of the cutter (31), and one end of the slide rod (33) is fixedly connected to the cutter (31), and the other end of the slide rod (33) extends to the inside of the slide groove (30), and the slide rod (33) is slidably connected to the third mounting frame (15).

8. The short carbon fiber granulation equipment according to claim 1, characterized in that: A support column (4) is provided below the loading platform (1) and the screening box (2), and the support column (4) is connected to the loading platform (1) and the screening box (2) by screws. A shock-absorbing seat (5) is provided below the support column (4), and the shock-absorbing seat (5) is fixedly connected to the support column (4).

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