CN214562144U - Antiwind is from drawing brace and cutting grain device - Google Patents

Abstract

The utility model discloses an anti-winding self-traction brace grain cutting device, which comprises a frame, a feed inlet, a gear-shaped traction roller shaft, a gear-shaped compression roller, an upper limiting block, a lower limiting block, a balancing weight, a grain cutting hob and a discharge port; the device of the utility model can solve the problem of timely winding of the sample strip by structural design, and the gear-shaped traction roller shaft is meshed with the compression roller, thereby not only reducing the contact area with the sample strip, weakening the possibility of adhesion winding, but also increasing friction and improving traction capacity; the upper and lower limiting blocks matched with the traction roll shaft and the compression roller can block the sample strip from continuing winding when the sample strip is adhered to the traction roll shaft and the compression roller, so that the sample strip can be smoothly pulled to the granulating hob to complete granulating; the device especially can be applicable to the eager grain of thermoplastic elastomer material, can prevent the spline winding, improves production efficiency, can regulate and control the particle size when obtaining better eager grain effect moreover.

Description

Antiwind is from drawing brace and cutting grain device

Technical Field

The utility model relates to a cut the grain device, especially relate to an antiwind cuts grain device from pulling brace, the device is particularly useful for the eager grain granulation to thermoplastic elastomer material.

Background

Brace pelleter wide application in plastics granulation field, its equipment is simple, and the cost is lower, convenient to use. It is possible to cut a sample strip extruded from an extruder and passed through a cooling device such as a water tank into pellets having a length of 2 to 5 mm.

Although the brace pelleter that uses at present can realize that the hardness is higher, the surface does not have sticky plastics spline's automatic traction and cut grain, if be used as thermoplastic elastomer like SEBS type TPE's eager grain, then can be because the spline is cross soft, the surface is cross glutinous, thickness reason such as uneven adheres on traction shaft and compression roller, and then causes the spline winding, cuts grain unable normal clear, does not also easily control simultaneously and cuts grain size.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's problem, a antiwind is from drawing brace and cutting grain device is provided, and the device especially can be applicable to the eager grain of thermoplastic elastomer material, can prevent the spline winding, improves production efficiency, can adjust and control the particle size in the time of obtaining better grain effect of cutting in addition.

The utility model adopts the technical scheme as follows:

an anti-winding self-traction brace grain cutting device comprises a rack, a feed inlet, a gear-shaped traction roll shaft, a gear-shaped compression roller, an upper limiting block, a lower limiting block, a balancing weight, a grain cutting hob and a discharge port; the traction roller shaft and the lower limiting block are arranged at the outlet of the feeding hole, the traction roller shaft is embedded in the lower limiting block, the embedding depth is smaller than the diameter of the traction roller shaft, the traction roller shaft is controlled by a motor, the compression roller is arranged above the traction roller shaft and meshed with the compression roller shaft, the balancing weight is connected onto the compression roller, the upper limiting block is connected with the compression roller and is attached to the periphery of the compression roller, the granulating hob is arranged at the rear of the traction roller shaft and the compression roller and is controlled by another motor, and the discharging hole is formed below the granulating hob.

Among the above-mentioned technical scheme, it is further, last spacing piece set up between compression roller and the eager grain hobbing cutter, and the shape is specific, be close to compression roller one side for straight face and press close to the compression roller, be close to eager grain hobbing cutter one side and be the arc surface, go up spacing piece tangent with the compression roller bottom.

Furthermore, the depth of the traction roller shaft embedded into the lower limiting block is larger than the radius of the traction roller shaft.

Furthermore, the compression roller comprises a gear-shaped main body and a roller shaft, vertical grooves are symmetrically formed in two sides of the rack, and two ends of the roller shaft are arranged in the vertical grooves of the rack, so that the compression roller can move up and down along the vertical grooves.

Furthermore, the rotating speeds of the traction roller shaft and the granulating hob can be independently adjusted.

Furthermore, the blades of the granulating hob are distributed in a gear type manner, and the knife face faces one side of the traction roll shaft and one side of the compression roll and faces downwards.

Furthermore, the bottom of the frame is provided with a roller.

The utility model has the advantages that:

the utility model has the advantages that through the structural design, the problem of winding of the splines during grain cutting can be well solved, the gear-shaped traction roller shaft is meshed with the compression roller, the contact area with the splines is reduced, the possibility of adhesion winding is weakened, friction is increased, and the traction capacity is improved; the upper and lower limiting blocks matched with the traction roll shaft and the compression roller can block the sample strip from continuing winding when the sample strip is adhered to the traction roll shaft and the compression roller, so that the sample strip can be smoothly pulled to the granulating hob to complete granulating; the problem of granulation termination caused by winding of the sample strips can be prevented by the matching of the traction roller shaft, the compression roller and the limiting blocks, and the production efficiency is improved; the traction speed and the grain cutting speed are both adjustable, and the grain size can be regulated and controlled when a better grain cutting effect is obtained.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

in the figure: the automatic granulating machine comprises a machine frame 1, a first motor 2, a second motor 3, a roller 4, a discharge port 5, a feed port 6, a lower limiting block 7, a traction roll shaft 8, a compression roll 9, a balancing weight 10, an upper limiting block 11 and a granulating hob 12.

The specific implementation mode is as follows:

the invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, a specific anti-winding self-traction brace dicing device comprises a frame 1, a feed inlet 6, a gear-shaped traction roll shaft 8, a gear-shaped compression roller 9, an upper limiting block 11, a lower limiting block 7, a balancing weight 10, a dicing hob 12 and a discharge port 5; the whole granulator is positioned on a frame 1, and the frame 1 can move through a roller 4 arranged at the bottom; the granulator comprises an upper granulating cavity and a lower cabin, the first motor 2 and the second motor 3 are positioned in the cabin below the granulator and are frequency conversion motors, wherein the first motor 2 is used for controlling the rotating speed of the traction roller shaft 8, and the second motor 3 is used for controlling the rotating speed of the granulating hob 12; the upper granulating cavity is communicated with the outside through a feeding hole 6, the shape of the lower limiting block 7 is adapted to the shape of a traction roller shaft 8, the traction roller shaft 8 is embedded in the lower limiting block, and the embedding depth is greater than the radius of the traction roller shaft 8 and smaller than the diameter of the traction roller shaft 8; the traction roll shaft 8 is in a gear shape and is meshed with the compression roll 9; the compression roller 9 is gear-shaped and can move in the vertical direction (the compression roller can comprise a gear-shaped main body and a roller shaft, vertical grooves are symmetrically formed in two sides of the rack, two ends of the roller shaft are arranged in the vertical grooves of the rack, so that the compression roller can move up and down along the vertical grooves), and is connected with the balancing weight 10 and the upper limiting block 11; the counterweight 10 can adjust and control the vertical position of the press roller 9 by utilizing the self weight to adapt to the thickness of the sample strip; the granulating hob 12 is arranged behind the traction roll shaft 8 and the compression roll 9, namely the pulling direction of the sample strip, the upper limiting block 11 is positioned between the compression roll and the granulating hob, the shape of the upper limiting block 11 is specific, one side close to the compression roll 9 is a flat surface, the distance from the axis of the compression roll 9 is slightly larger than the radius of the compression roll, one side close to the granulating hob 12 is in a circular arc shape to adapt to the shape of the granulating hob 12, and the lowest end of the upper limiting block 11 is preferably tangent to the compression roll to better block winding; blades of the grain cutting hob 12 are distributed in a gear type manner, and the cutter face faces one side of the traction roll shaft and the compression roll and can effectively cut soft materials downwards; the discharge port 5 is positioned below the granulating hob 12.

When the device works, the first motor 2 and the second motor 3 are started, and the sample strip extends into the granulator through the feeding hole 6; when the sample strip enters the meshing part of the traction roller shaft 8 and the compression roller 9, the sample strip can lift the compression roller 9, and the counterweight block 10 can make the compression roller 9 press down by using the self-weight, so that the thickness of the sample strip is adapted; the upper limiting block 11 and the lower limiting block 7 can prevent the sample strip from being wound on the traction roller shaft 8 and the compression roller 9; the sample strip is brought to the position of a granulating hob 12 through the transmission of a traction roll shaft 8 and a compression roll 9, the granulating hob 12 cuts the sample strip into particles with the size of 2-5mm, and then the particles are discharged through a discharge port 5.

In the structure, the traction roller shaft is designed into a gear shape, so that the contact area with a sample strip can be reduced, the friction force can be increased, the sample strip can be effectively dragged, the sample strip can be prevented from being wound on the traction roller shaft by designing the lower limiting block to be matched with the lower limiting block, the rotating speed of the roller shaft is controlled by a motor, and the rotating speed adjusting range is 0-1000 r/min; the compression roller is also in a gear shape and is meshed with a lower traction roller shaft, the transmission capacity is enhanced, and the compression roller can automatically adapt to the thickness of a sample band by being matched with a balancing weight; the rotating speed of the grain cutting hob is controlled by a motor, and the range is 0-1000 r/min; the speed of the shaft of the traction roller and the speed of the granulating hob are independently adjustable, so that the size of particles can be controlled while a better granulating effect is obtained. The structure is particularly suitable for granulating thermoplastic elastomer materials, can prevent splines from winding, and improves the production efficiency.

Claims (7)

1. An anti-winding self-traction brace grain cutting device is characterized by comprising a rack, a feed inlet, a gear-shaped traction roll shaft, a gear-shaped compression roller, an upper limiting block, a lower limiting block, a balancing weight, a grain cutting hob and a discharge port; the traction roller shaft and the lower limiting block are arranged at the outlet of the feeding hole, the traction roller shaft is embedded in the lower limiting block, the embedding depth is smaller than the diameter of the traction roller shaft, the traction roller shaft is controlled by a motor, the compression roller is arranged above the traction roller shaft and meshed with the compression roller shaft, the balancing weight is connected onto the compression roller, the upper limiting block is connected with the compression roller and is attached to the periphery of the compression roller, the granulating hob is arranged at the rear of the traction roller shaft and the compression roller and is controlled by another motor, and the discharging hole is formed below the granulating hob.

2. The anti-winding self-traction brace cutting device according to claim 1, wherein the upper limiting block is arranged between the press roller and the cutting hob, one side of the upper limiting block close to the press roller is a straight surface and is close to the press roller, one side of the upper limiting block close to the cutting hob is an arc surface, and the lowest end of the upper limiting block is tangent to the press roller.

3. The anti-wind self-pulling strand pelletizing device of claim 1, wherein the depth of the traction roller shaft embedded in the lower retainer block is greater than the radius of the traction roller shaft.

4. The anti-wind self-traction brace cutting device as claimed in claim 1, wherein the compression roller comprises a gear-shaped body and a roller shaft, vertical grooves are symmetrically formed on two sides of the frame, and two ends of the roller shaft are arranged in the vertical grooves of the frame, so that the compression roller can move up and down along the vertical grooves.

5. The anti-wind self-pulling strand dicing apparatus according to claim 1, wherein the rotation speeds of the pulling roll shaft and the dicing cutter are independently adjustable.

6. The anti-wind self-pulling riblet dicing apparatus as claimed in claim 1, wherein the dicing cutters are geared with the cutter face facing the side of the pulling roll shaft and the press roll and facing downward.

7. The anti-wind self-pulling strand pelletizing device according to claim 1, characterized in that the bottom of the frame has rollers.

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