CN213918764U - Disc chipper with arc-shaped bed knife - Google Patents

Abstract

A disc chipper with an arc-shaped bottom cutter comprises a rack, wherein a cutter head driven by a driving mechanism is arranged above the rack; the cutter head is arranged in the cutter head box; the bottom of the cutter head box is provided with a feeding hole; the feed inlet is butted with a horizontal material conveying belt; a material discharging mechanism is arranged below the cutter head box; the lower end of the feed inlet is provided with a bottom knife which is arc-shaped. A plurality of cutters are arranged on the cutter disc at intervals and are arc-shaped. The utility model discloses changed traditional cutter and dead knife mode, changed dead knife and cutter into the circular arc formula by original orthoscopic. The circular arc-shaped bed knife and the cutter form certain holding force on the materials, the materials cannot move towards one side to be stacked and then broken, and the shapes of the cut finished products are regular.

Description

Disc chipper with arc-shaped bed knife

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of wood working equipment, concretely relates to disk chipper with convex dead knife.

[ background of the invention ]

A chipping machine, also called a wood slicing machine, belongs to one of wood processing series devices, and is widely applied to material preparation working sections in the production processes of textile, papermaking, pulping, artificial boards and other industries. The chipping machine can be divided into a drum type chipping machine and a disc type chipping machine according to the mechanical structure, and the working principle is as follows: when the wood contacts the fly cutter, the wood is cut along with the high-speed rotation of the cutter head, and the cut wood chips are sent out by the high-speed steam flow generated by the fan blades on the cutter head.

The invention patent ZL201610264304.8 discloses a disc type material chipping machine which comprises a rack, wherein a cutter disc driven by a driving mechanism is arranged at one side end of the upper part of the rack, the cutter disc is vertically arranged above the rack, a material guide channel is obliquely arranged at the side edge of the cutter disc, and wood is pushed into a material inlet through the material guide channel. Because the cutter on the cutter head must keep a certain inclination angle with the wood to cut the wood (like a pencil), and the cutter head is vertically arranged on the machine frame, the material guide channel must have a certain included angle with the cutter head. The inclined material guide channel needs manual feeding, the automation degree is low, and the working efficiency is low.

Chinese utility model patent ZL200520144624.7 discloses a dual-purpose chipping machine of blade disc inclined horizontal secondary cutting essence piece hair piece, and its blade disc becomes 25 ~ 60 degrees inclination arrangement with vertical direction, adopts the horizontally conveyer belt to carry out the pay-off.

The specific structure of the cutter head in the prior art is shown in fig. 1, and the simple structure of the using state when the cutter 11 'on the cutter head 1' and the bottom cutter 41 'at the feed inlet 4' shear the material is shown in fig. 2, wherein the bottom cutter 41 'and the cutter 11' are both linear.

The above prior art chippers all have the following disadvantages: 1. the feed inlet of the prior art is a square feed inlet, the bottom cutter of the square feed inlet is linear, the cutter on the cutter disc is also linear, and the cutter disc does circular motion. When the cutter is shearing motion with the bed knife, the shearing force that the material received has certain contained angle with square bed knife, because do not have the positioning measure, the shearing force can make the material at the chipping move along the direction of force to make the material concentrate on the right angle department of square feed inlet, can make the material when receiving the cutter cutting like this, the below can not form effective support and take place the rupture, can't reach and become the piece effect, perhaps can appear cutting off and off continuously, make the finished product after the cutting be the cockscomb structure, the shape is not regular enough. 2. The material pressing device is not arranged above the material of the chipping machine in the prior art, the height of the cut material coming is different, the height of the material is different from 2cm to 30cm, and one end of the material with smaller diameter and shorter length, which is far away from the knife edge, can tilt and jump during the cutting process, so that the cutting effect is influenced.

[ Utility model ] content

The utility model aims to solve the technical problem that a disk chipper that has convex cutter that cutting effect is good is provided.

The utility model discloses a realize like this:

a disc chipper with an arc-shaped bottom cutter comprises a rack, wherein a cutter head driven by a driving mechanism is arranged above the rack; the cutter head is arranged in the cutter head box; the bottom of the cutter head box is provided with a feeding hole; the feed inlet is butted with a horizontal material conveying belt; a material discharging mechanism is arranged below the cutter head box; the lower end of the feed inlet is provided with a bottom knife which is arc-shaped.

Furthermore, a plurality of cutters are arranged on the cutter disc at intervals, and the cutters are arc-shaped.

Furthermore, a crawler climbing material pressing mechanism is obliquely arranged between the horizontal material conveying belt and the cutter head,

the crawler climbing and material pressing mechanism comprises a motor, a first roller shaft, a second roller shaft and a crawler;

a pair of optical axes is obliquely arranged on the rack between the cutter head box and the horizontal material conveying belt;

two sides of the motor, the first roll shaft and the second roll shaft are all erected on the optical axis through linear bearings and slide on the optical axis;

the first roller shaft is connected with the second roller shaft through the crawler belt; an output shaft of the motor drives the first roller shaft or the second roller shaft to rotate through a transmission mechanism;

the first roller shaft and the second roller shaft are connected through the crawler belt;

when materials on the horizontal material conveying belt are conveyed towards the feeding hole, the materials firstly touch the caterpillar track, the rotating caterpillar track can drive the whole caterpillar track climbing material pressing mechanism to move upwards along the optical axis until the lowermost caterpillar track falls right above the materials, and when the height of the materials becomes low, the caterpillar track climbing material pressing mechanism slides downwards under the action of gravity and still presses the materials.

Further, the track is a plurality of chains having serrated blades.

Furthermore, the crawler climbing pressing mechanism is also connected with a pressing plate, two sides of the tail of the pressing plate are positioned above the second roller shaft and are erected on the optical axis through a linear bearing, the head of the pressing plate extends to the lower part of the second roller shaft,

when the material at the front end close to the feeding port is high and the material at the material pressing position of the crawler climbing pressing mechanism at the rear end is low, at the moment, the pressing plate can still keep the pressing effect, and meanwhile, the crawler climbing pressing mechanism at the rear end slides downwards, so that the pressing at the front end is not influenced.

Furthermore, the cutter head box and the vertical direction form an inclined angle of 25-60 degrees.

The utility model has the advantages that:

1. the utility model discloses changed traditional cutter and dead knife mode, changed dead knife and cutter into the circular arc formula by original orthoscopic. The circular arc-shaped bed knife and the cutter form certain holding force on the materials, the materials cannot move towards one side to be stacked and then broken, and the shapes of the cut finished products are regular.

2. The utility model discloses set up the two-stage material system of pressing (the track climbs swager and presses the flitch) as far as possible from the position top that the shearing position is close to as far as possible, can guarantee even very short wood raw materials comes in, also have a pressure that prevents the material upwarp and beat or break in the in-process of chipping above the material and exist. The horizontal material conveyer belt of chipping machine has a segment distance apart from the position of cutting, the utility model discloses a track climbing swager constructs also has the power of carrying forward to the material at the in-process that upwards climbs.

[ description of the drawings ]

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of a specific structure of a cutter head in the prior art.

Fig. 2 is a simple structure diagram of the prior art when the bed knife cutter is used for shearing materials.

Fig. 3 is a schematic view of the overall structure of the disc chipper (with a part of the cutter head box removed) according to the present invention.

Fig. 4 is a schematic diagram of the cutter head according to the preferred embodiment of the present invention.

Fig. 5 is a simple structure diagram of the bottom knife cutter of the preferred embodiment of the present invention in the use state when the bottom knife cutter is sheared with the material.

Fig. 6 is a schematic structural view of a pressing system in the present invention.

Fig. 7 is a schematic view of a simple structure of a pressing system in a use state.

[ detailed description ] embodiments

As shown in fig. 3, a disc chipper comprises a frame 1, a cutter head 2 driven by a driving mechanism is arranged above the frame 1, and the cutter head 2 is arranged in a cutter head box 3 (fig. 1 is provided with a part of the cutter head box 3 removed for convenience of understanding, and the cutter head 2 is actually completely covered by the cutter head box 3); the cutter head box 3 and the vertical direction form an inclined angle of 25-60 degrees. The bottom of the cutter head box 3 is provided with a feeding hole 4. The feed port 4 is butted with a horizontal material conveying belt 5; a material discharging mechanism (not shown) is arranged below the cutter head box 3.

As shown in fig. 4, for the preferred embodiment of the present invention, a plurality of circular arc cutters 11 are spaced on the cutter head 1, a bottom cutter 41 is disposed at the lower end of the feeding port 4, and the bottom cutter 41 is also circular arc-shaped. As shown in fig. 5, the circular bottom knife 41 and the circular cutting knife 11 can achieve better slicing effect during cutting. The circular arc-shaped bed knife 41 and the cutter 11 form a certain holding force on the materials, the materials cannot move towards one side to be stacked and then broken, and the shape of the sliced finished product is regular. In addition, it should be noted that even if only the bottom knife is arranged to be circular arc-shaped, the cutting knife is still straight, and has a certain holding force on the material, and still has a better cutting effect than the prior art. Fig. 4 and 5 show the preferred embodiment of the present invention, that is, the cutter and the bed knife are both circular arc.

As shown in fig. 6 and 7, a crawler climbing pressing mechanism 6 is obliquely arranged between the horizontal material conveying belt 5 and the cutter head 2.

The crawler climbing pressing mechanism 6 comprises a motor 61, a first roller shaft 62, a second roller shaft 63 and a crawler 64.

A pair of optical axes 65 is obliquely arranged on the frame 1 between the cutter head box 3 and the horizontal material conveying belt 5.

Both sides of the motor 61, the first roller shaft 62, and the second roller shaft 63 are bridged on the optical axis 65 by linear bearings 66 and slide thereon.

The first roller shaft 62 and the second roller shaft 63 are connected by a crawler belt 64, and the output shaft of the motor 61 is connected to the first roller shaft 62 through a transmission 67.

The motor 61 drives the first roller 62 to rotate, and the first roller 62 drives the second roller 63 to rotate through the crawler belt 64.

When the material 100 on the horizontal material conveying belt 5 is conveyed to the feeding hole 4, firstly the material 100 touches the caterpillar track 64, the rotating caterpillar track 64 can drive the whole caterpillar track to climb the pressing mechanism 6 and move up along the optical axis 65 until the lowermost caterpillar track 64 falls right above the material 100, and when the height of the material 100 becomes low, the caterpillar track climbing pressing mechanism 6 slides down due to the action of gravity and still presses the material 100.

The track 64 may be comprised of a plurality of chains having serrated blades.

Because blade disc 1 is a specific angle with horizontal material conveyer belt 5, lead to horizontal material conveyer belt 5 still to have a certain distance (roughly about 10 ~ 30 cm) apart from the position of cutting, have the holding down force in order to guarantee to reach 3 ~ 10cm apart from the cutting position, the utility model discloses placed a pressure flitch 7 in this position, the track climbs swager structure 6 promptly and still connects a pressure flitch 7, and the afterbody both sides of pressure flitch 7 are located second roller 63 top and erect through linear bearing 66 on the optical axis 65, the head of pressure flitch 7 extends to second roller 63 below. When the material 100 on the horizontal material conveying belt 5 is conveyed to the feeding hole 4, firstly the rotating track 64 touches the track 64, the rotating track 64 can drive the whole track to climb the pressing mechanism 6 to move upwards along the optical axis 65, and since the linear bearings on both sides of the tail of the pressing plate 7 are located above the linear bearings on both sides of the second roller 63, the second roller 63 moves upwards to support the pressing plate 7 to move upwards, and the head of the pressing plate 7 below the second roller 63 can still press the lower material. When the material that the front end is close to feed inlet 4 department is high, and the material that the rear end track climbed swager mechanism 6's the material department of pressing is low, this moment, presses flitch 7 still can keep pressing the material effect, and the track of rear end climbs swager mechanism 6 gliding simultaneously, does not influence the front end and presses the material. The horizontal material conveyer belt 5 of chipping machine still has a segment distance apart from the position of cutting, the utility model discloses a track climbing swager constructs 6 and also has the power of carrying forward to the material at the in-process that upwards climbs. In addition, the material pressing plate 7 is lifted while the crawler belt 64 ascends, so that the phenomenon of material blocking is avoided.

The utility model discloses changed traditional cutter and dead knife mode, changed dead knife and cutter into the circular arc formula by original orthoscopic, can effectual solution like this in the cutting process, the accumulational problem of wood toward one side motion that arouses by the shearing force. The utility model discloses still set up the two-stage material system of pressing (the track climbs swager and presses the flitch) from the position top that the shearing position is as close as possible, even can guarantee that very short wood raw materials comes in, also have a pressure that prevents that wood upwarp to beat or break in the in-process of chipping in wood top to exist.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (3)

1. A disc chipper with an arc-shaped bottom cutter comprises a rack, wherein a cutter head driven by a driving mechanism is arranged above the rack; the cutter head is arranged in the cutter head box; the bottom of the cutter head box is provided with a feeding hole; the feed inlet is butted with a horizontal material conveying belt; a material discharging mechanism is arranged below the cutter head box;

the method is characterized in that: the lower end of the feed inlet is provided with a bottom knife which is arc-shaped.

2. A disc chipper having a circular arc shaped bed knife as defined in claim 1, wherein: a plurality of cutters are arranged on the cutter disc at intervals and are arc-shaped.

3. A disc chipper having a circular arc shaped bed knife as defined in claim 1, wherein: the cutter head box and the vertical direction form an inclined angle of 25-60 degrees.

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