Efficient dispersing device for chopped carbon fibers

Abstract

The utility model relates to the technical field of chopped carbon fiber dispersion, in particular to an efficient dispersion device for chopped carbon fibers, which comprises a box body, two symmetrical inclined plates are fixed at the top end of the box body, and a dispersion component rotatably mounted in the box body is arranged at the bottom ends of the two inclined plates. The dispersing assembly comprises a second rotating shaft rotationally installed in the box body, guide grooves are formed in the two ends of the second rotating shaft correspondingly, the two ends of the second rotating shaft are sleeved with sleeves in sliding fit with the guide grooves correspondingly, and convex rings are fixed to the ends of the two sleeves correspondingly; a plurality of annularly-distributed metal wires are fixed between the two protruding rings, the distance between the two sleeves is adjusted by pushing the two sleeves, the metal wires between the two protruding rings can be expanded or contracted, the distance between every two adjacent metal wires is synchronously expanded or contracted, and therefore the distance between every two adjacent metal wires can be adjusted, and the distance between every two adjacent metal wires can be adjusted. The device is suitable for dispersion work of short carbon fiber materials with different lengths.

Description

Technical Field

[0001] The utility model relates to the technical field of chopped carbon fiber dispersion, in particular to a high-efficiency dispersion device for chopped carbon fibers. Background Art

[0002] Chopped carbon fiber is made by chopped carbon fiber filaments by fiber cutting machine. Its basic performance mainly depends on its raw material, that is, the performance of carbon fiber filaments. Among them, pre-dispersion treatment of carbon fiber before preparation can greatly increase the dispersion and multi-orientation of fibers, reduce fiber agglomeration problems, so that when preparing composite materials later, the fibers can be better dispersed, so as to achieve the purpose of improving the mechanical properties of carbon fiber metal matrix composite materials.

[0003] The existing short-cut carbon fibers have some deficiencies in the preparation and dispersion process. For example, the existing dispersion device is not convenient for adjusting the dispersion strength during the dispersion process of short-cut carbon fiber products of different specifications, and has a narrow scope of application. Utility Model Content

[0004] The purpose of the utility model is to provide a highly efficient dispersing device for chopped carbon fibers to solve the problems raised in the above-mentioned background technology.

[0005] The technical solution of the utility model is: a high-efficiency dispersion device for chopped carbon fibers, comprising a box body, two symmetrical inclined plates are fixed on the top of the box body, and the bottom ends of the two inclined plates are provided with dispersion components rotatably installed in the box body, and the dispersion component comprises a second rotating shaft rotatably installed in the box body, both ends of the second rotating shaft are provided with guide grooves, both ends of the second rotating shaft are respectively provided with sleeves that slide with the guide grooves, the ends of the two sleeves are fixed with convex rings, a plurality of annularly distributed metal wires are fixed between the two convex rings, a positioning bolt that is threadedly inserted on the sleeve and pressed against the side wall of the second rotating shaft, and one end of the second rotating shaft passes through the outer wall of the box body and is transmission-connected with a driving mechanism.

[0006] The effects achieved by the above components are as follows: the chopped carbon fiber material can be introduced into the top of the dispersion component through two inclined plates, wherein the driving mechanism can drive the second rotating shaft to rotate, and then drive the annularly distributed metal wire to rotate, and use the metal wire to collide and disperse the falling chopped carbon fiber material. Before the chopped carbon fiber material of different lengths is dispersed, the spacing can be adjusted by pushing the two sleeves, and then locked with the positioning bolts, and then the metal wire between the two convex rings can expand or contract, so that the spacing between the two adjacent metal wires is synchronously opened or reduced to adapt to the dispersion of chopped carbon fiber materials of different lengths, which is convenient for use.

[0007] Preferably, a material guide assembly is arranged between the bottom ends of the two inclined plates, and the material guide assembly includes a first rotating shaft rotatably installed in the box body, symmetrical spiral blades are fixed on the first rotating shaft, a material guide plate that fits with the bottom ends of the spiral blades is fixed in the box body, and material guide holes distributed at equal distances are opened at the bottom of the material guide plate, and one end of the first rotating shaft passes through the outer wall of the box body and is transmission-connected to the driving mechanism.

[0008] The effect achieved by the above components is that the first rotating shaft can rotate synchronously with the second rotating shaft under the drive of the driving mechanism, driving the two spiral blades to rotate so that the short-cut carbon fiber material falls evenly downward along the material guide hole, avoiding excessive concentration of the material and affecting the dispersion effect.

[0009] Preferably, the driving mechanism comprises a driving motor fixed on the outer side wall of the box body, and the output shaft of the driving motor is drivingly connected to a pulley assembly which is drivingly connected to the first rotating shaft and the second rotating shaft end shaft.

[0010] The effect achieved by the above components is that the driving motor can cooperate with the pulley assembly to achieve the purpose of synchronous driving of the first rotating shaft and the second rotating shaft.

[0011] Preferably, vertical plates are fixed to the bottom ends of the two inclined plates, and vertical openings distributed at equal distances are formed on the side walls of the vertical plates.

[0012] The effect achieved by the above components is that the vertical openings on the vertical plates can be used to perform secondary collision dispersion on the chopped carbon fiber materials during the dispersion process, thereby improving the dispersion effect.

[0013] Preferably, a side opening is opened on one side of the bottom end of the box body, and a collection box is slidably inserted into the side opening.

[0014] The effect achieved by the above components is that the dispersed chopped carbon fiber materials can be collected through the collecting box, which is convenient for unloading.

[0015] The utility model provides an efficient dispersion device for chopped carbon fibers through improvement, which has the following improvements and advantages compared with the prior art:

[0016] The utility model can guide the input chopped carbon fiber material to the top of the dispersion component through two inclined plates, wherein the driving mechanism can drive the second rotating shaft to rotate, and then drive the annularly distributed metal wire to rotate, and use the metal wire to collide and disperse the falling chopped carbon fiber material. Before the chopped carbon fiber material of different lengths is dispersed, the spacing can be adjusted by pushing the two sleeves, and then locked by the positioning bolts, so that the metal wire between the two convex rings can expand or contract, so that the spacing between the two adjacent metal wires is synchronously opened or reduced, so as to adapt to the dispersion of chopped carbon fiber materials of different lengths, and is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a cross-sectional three-dimensional structural schematic diagram of the utility model;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the dispersed components in the utility model;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the dispersed components in the utility model in an extended state.

[0022] Description of reference numerals:

[0023] 1. Box body; 2. Inclined plate; 3. Material guide assembly; 31. First rotating shaft; 32. Spiral blade; 33. Material guide plate; 34. Material guide hole; 4. Driving mechanism; 5. Collecting box; 6. Vertical plate; 7. Vertical opening; 8. Dispersing assembly; 81. Second rotating shaft; 82. Sleeve; 83. Convex ring; 84. Metal wire; 85. Positioning bolt; 86. Guide groove. DETAILED DESCRIPTION

[0024] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0025] The utility model provides an efficient dispersion device for chopped carbon fibers through improvement. The technical solution of the utility model is:

[0026] In the embodiment of the present utility model, Figure 1-Figure 4As shown, a high-efficiency dispersion device for chopped carbon fibers comprises a box body 1, wherein two symmetrical inclined plates 2 are fixed on the top of the box body 1, and a dispersion assembly 8 rotatably mounted in the box body 1 is arranged at the bottom ends of the two inclined plates 2, and the dispersion assembly 8 comprises a second rotating shaft 81 rotatably mounted in the box body 1, and guide grooves 86 are provided at both ends of the second rotating shaft 81, and sleeves 82 slidably matched with the guide grooves 86 are respectively sleeved at both ends of the second rotating shaft 81, and convex rings 83 are fixed at the ends of the two sleeves 82, and a plurality of annularly distributed metal wires 84 are fixed between the two convex rings 83, and the input chopped carbon fiber material can be introduced into the top of the dispersion assembly 8 through the two inclined plates 2, wherein the driving mechanism 4 can drive the second rotating shaft 81 to rotate, and then drive the annularly distributed metal wires 84 to rotate, and the metal wires 84 are used to collide and disperse the falling chopped carbon fiber material, and a threaded connection with the second rotating shaft is inserted on the sleeve 82. The positioning bolt 85 pressed against the side wall of the shaft 81 can adjust the spacing by pushing the two sleeves 82 before dispersing the chopped carbon fiber materials of different lengths, and then use the positioning bolt 85 to lock it, so that the metal wire 84 between the two convex rings 83 can expand or contract, so that the spacing between the two adjacent metal wires 84 can be synchronously opened or reduced to adapt to the dispersion of chopped carbon fiber materials of different lengths. One end of the second rotating shaft 81 passes through the outer wall of the box body 1 and is connected to the driving mechanism 4. The bottom ends of the two inclined plates 2 are fixed with vertical plates 6. The side walls of the vertical plates 6 are provided with vertical openings 7 distributed at equal distances. The vertical openings 7 on the vertical plates 6 can be used to perform secondary collision dispersion of the chopped carbon fiber materials during the dispersion process. A side opening is provided on one side of the bottom end of the box body 1, and a collecting box 5 is slidably inserted into the side opening. The dispersed chopped carbon fiber materials can be collected through the collecting box 5.

[0027] In an embodiment of the utility model, the driving mechanism 4 includes a driving motor fixed on the outer wall of the box body 1, and the output shaft of the driving motor is transmission-connected with a pulley assembly which is transmission-connected with the end shafts of the first rotating shaft 31 and the second rotating shaft 81. A material guide assembly 3 is arranged between the bottom ends of the two inclined plates 2, and the material guide assembly 3 includes a first rotating shaft 31 rotatably mounted in the box body 1, and symmetrical spiral blades 32 are fixed on the first rotating shaft 31. A material guide plate 33 which is fitted with the bottom end of the spiral blades 32 is fixed in the box body 1, and material guide holes 34 distributed at equal distances are opened at the bottom of the material guide plate 33. One end of the first rotating shaft 31 passes through the outer wall of the box body 1 and is transmission-connected with the driving mechanism 4. Through the first rotating shaft 31, it can rotate synchronously with the second rotating shaft 81 under the drive of the driving mechanism 4, driving the two spiral blades 32 to rotate so that the chopped carbon fiber material falls downward evenly along the material guide hole 34, thereby avoiding excessive concentration of the material and affecting the dispersion effect.

[0028] The working principle of a high-efficiency dispersing device for chopped carbon fibers provided by the utility model is as follows: the chopped carbon fiber materials can be introduced into the top of the dispersing component 8 through two inclined plates 2, the first rotating shaft 31 can rotate synchronously with the second rotating shaft 81 under the drive of the driving mechanism 4, and drive the two spiral blades 32 to rotate so that the chopped carbon fiber materials fall downward evenly along the material guide hole 34, wherein the driving mechanism 4 can drive the second rotating shaft 81 to rotate, and then drive the annularly distributed metal wire 84 to rotate, and use the metal wire 84 to collide and disperse the falling chopped carbon fiber materials, the vertical opening 7 on the vertical plate 6 can perform secondary collision and dispersion work on the chopped carbon fiber materials during the dispersion process, and the dispersed chopped carbon fiber materials can be collected through the collecting box 5 to facilitate material unloading, wherein before the dispersing work of the chopped carbon fiber materials of different lengths, the spacing can be adjusted by pushing the two sleeves 82, and then locked by the positioning bolt 85, and then the metal wire 84 between the two convex rings 83 can expand or contract, so that the spacing between the two adjacent metal wires 84 is synchronously opened or reduced to adapt to the dispersing work of the chopped carbon fiber materials of different lengths.

[0029] 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. An efficient dispersing device for chopped carbon fibers, comprising a box (1), wherein two symmetrical inclined plates (2) are fixed to the top of the box (1), characterized in that: The bottom ends of the two inclined plates (2) are provided with a dispersion assembly (8) rotatably mounted in the box body (1), and the dispersion assembly (8) includes a second rotating shaft (81) rotatably mounted in the box body (1), both ends of the second rotating shaft (81) are provided with guide grooves (86), both ends of the second rotating shaft (81) are respectively sleeved with sleeves (82) slidably matched with the guide grooves (86), the ends of the two sleeves (82) are fixed with convex rings (83), a plurality of annularly distributed metal wires (84) are fixed between the two convex rings (83), a positioning bolt (85) is threadedly inserted on the sleeve (82) and pressed against the side wall of the second rotating shaft (81), and one end of the second rotating shaft (81) passes through the outer wall of the box body (1) and is transmission-connected with a driving mechanism (4).

2. The efficient dispersion device for chopped carbon fibers according to claim 1, characterized in that: A material guide assembly (3) is arranged between the bottom ends of the two inclined plates (2), and the material guide assembly (3) comprises a first rotating shaft (31) rotatably mounted in the box body (1), a symmetrical spiral blade (32) being fixed on the first rotating shaft (31), a material guide plate (33) abutting against the bottom end of the spiral blade (32) being fixed in the box body (1), and material guide holes (34) distributed at equal distances are arranged at the bottom of the material guide plate (33), and one end of the first rotating shaft (31) passes through the outer wall of the box body (1) and is transmission-connected to the driving mechanism (4).

3. The efficient dispersion device for chopped carbon fibers according to claim 2, characterized in that: The driving mechanism (4) comprises a driving motor fixed on the outer wall of the box body (1), and the output shaft of the driving motor is drivingly connected to a pulley assembly drivingly connected to the end shafts of the first rotating shaft (31) and the second rotating shaft (81).

4. The efficient dispersion device for chopped carbon fibers according to claim 2, characterized in that: A vertical plate (6) is fixed to the bottom ends of the two inclined plates (2), and the side walls of the vertical plates (6) are provided with vertical openings (7) distributed at equal distances.

5. The efficient dispersion device for chopped carbon fibers according to claim 1, characterized in that: A side opening is provided on one side of the bottom end of the box body (1), and a collection box (5) is slidably inserted into the side opening.

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