CN209987113U

CN209987113U - Drum-type wood chip machine

Info

Publication number: CN209987113U
Application number: CN201920302056.0U
Authority: CN
Inventors: 范建国; 管永祥; 许圣
Original assignee: Fuzhou Xinyuxie New Energy Co Ltd
Current assignee: Fuzhou Xinyuxie New Energy Co Ltd
Priority date: 2019-03-11
Filing date: 2019-03-11
Publication date: 2020-01-24
Anticipated expiration: 2029-03-11

Abstract

The utility model relates to a drum-type wood chip machine, including the frame, go up the feed roller assembly, lower feed roller assembly, the rotor assembly, dead knife and dead knife mount pad, the top of dead knife is provided with hold-down mechanism, hold-down mechanism including install in the frame compress tightly the seat with install the compression roller on compressing tightly the seat, the both ends of compression roller are passed through slide slidable mounting and are being compressed tightly on the seat, the slide with compress tightly and be connected with the elastic component between the seat, compress tightly and be provided with the stopping claw on the seat, the stopping claw is located one side that is close to rotor assembly direction of compression roller axis of rotation. The utility model can effectively fix the cut timber on the bed knife, reduce the vibration amplitude of the cut timber, prevent the cut timber from retreating, improve the safety performance of the equipment and not influence the normal feeding; the base that compresses tightly is the slope slip, and when the compression roller received the impact, the effort that makes the effect on the pneumatic cylinder reduce by a wide margin through the resolution of power to improve the life of pneumatic cylinder.

Description

Drum-type wood chip machine

Technical Field

The utility model relates to a wood working technical field, in particular to drum-type chipper.

Background

The drum-type wood chip machine is a special equipment for preparing various high-quality wood chips, and can cut log, small-diameter wood and the like into high-quality industrial wood chips with uniform length, flat cut and uniform thickness, and can also cut brush wood, plates and the like.

The chipping machine mainly comprises a machine base, a knife roll, an upper feeding roll, a lower feeding roll, a bottom knife, a hydraulic system and the like, wherein the machine base is formed by welding high-cavity-degree steel plates and is a supporting base of the whole machine; two fly cutters are arranged on the cutter roller, and the fly cutters are fixed on the cutter roller through a pressure block by using a specially manufactured fly cutter bolt; the upper feeding roller assembly can float up and down within a certain range by means of a hydraulic system according to different thicknesses of cut raw materials.

For example: the Chinese patent with application number 201510173374.8 discloses a high-efficiency drum chipper, which mainly comprises the following components: the bottom cutter is fixed on the bottom cutter seat by a high-strength bolt, the bottom cutter seat can be freely drawn out through a hole on the side surface of a wallboard on the base assembly, the fly cutter is fixed on the fly cutter seat by the bolt through a cutter pressing block, the upper feeding roller seat is formed by welding high-strength steel plates, an upper feeding roller assembly is arranged in the upper feeding roller seat, the upper feeding roller seat is arranged on the base assembly through a hydraulic swing cylinder, the lower feeding roller assembly is arranged on the base assembly, the cleaning roller assembly is arranged on the base assembly and is positioned between the feeding port and the lower feeding roller assembly, the disadvantages are that the transverse distance between the foremost end of the lower feeding roller assembly and the bottom cutter is too far, the cut timber cannot be pressed effectively, the force acting on the cut timber in the flying cutter cutting process is decomposed into downward force and backward thrust, the downward pressure easily causes the cut timber to vibrate up and down, and the backward thrust easily causes the cut timber to fly out of the feeding hole to cause accidents.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned problem and provide a drum-type wood chip machine, improve cutting stability and security.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a drum-type wood chip machine, includes the frame, goes up feed roller assembly, rotor assembly, bed knife and bed knife mount pad down, the bed knife is located the rotor assembly and feeds down between the roller assembly, it is located down feed roller assembly top to go up the feed roller assembly, the top of bed knife is provided with hold-down mechanism, hold-down mechanism compresses tightly the seat and installs the compression roller on compressing tightly the seat including installing in the frame, the both ends of compression roller are passed through slide slidable mounting and are being compressed tightly on the seat, be connected with the elastic component between slide and the compressing tightly the seat, compress tightly and be provided with the stopping claw on the seat, the stopping claw is located one side that is close to rotor assembly direction of compression roller rotation axis.

Preferably, the upper end of the retaining claw is rotatably mounted on the pressing seat, and the lower end of the retaining claw is suspended above the bed knife.

Preferably, the retaining claw is provided in an inclined manner, and an upper end of the retaining claw is inclined toward the press roll with respect to a lower end thereof.

Preferably, a connecting line of the upper end and the lower end of the retaining claw forms an included angle alpha which is larger than 90 degrees and smaller than 180 degrees with the feeding direction.

Preferably, a reset piece which enables the stopping claw to rotate towards the direction close to the press roller is connected between the stopping claw and the pressing seat.

Preferably, the lower end of the retaining claw is provided with two rows of top teeth, each row of top teeth is distributed at intervals along the axial direction of the press roll, and the length of the top teeth in the front row is greater than that of the top teeth in the rear row.

Preferably, the pressing seat is slidably mounted on the base, a sliding groove is formed in the inner wall of the base, sliding blocks sliding along the sliding groove are arranged at two ends of the pressing seat, and an adjusting assembly pushing the pressing seat to slide up and down is arranged on the base.

Preferably, the sliding groove is obliquely arranged, and the upper end of the sliding groove is inclined relative to the lower end of the sliding groove in the direction away from the knife roller assembly.

Preferably, the moving direction of the pressing seat and the feeding direction of the lower feeding roller assembly form an included angle beta of 120-150 degrees.

Preferably, the adjusting component is a hydraulic cylinder, one end of the hydraulic cylinder is connected to the sliding block, and the other end of the hydraulic cylinder is connected to the base.

The utility model discloses following beneficial effect has:

1. the pressing mechanism is arranged above the bed knife, so that the cut timber can be effectively fixed on the bed knife, the vibration amplitude of the cut timber is reduced, the elastic piece can buffer and absorb vibration of the cut timber, and noise generated during cutting is reduced;

2. the obliquely arranged backstop claw can prevent the cut timber from backing, so that the safety performance of the equipment is improved, and the normal feeding is not influenced;

3. the base that compresses tightly is the slope slip, and when the compression roller received the impact, the effort that makes the effect on the pneumatic cylinder reduce by a wide margin through the resolution of power to improve the life of pneumatic cylinder.

Drawings

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

fig. 2 is a schematic structural diagram of a pressing mechanism in an embodiment of the present invention;

in the figure: 1-machine base, 2-upper feeding roller assembly, 3-lower feeding roller assembly, 4-knife roller assembly, 5-bottom knife mounting base, 6-bottom knife, 7-pressing mechanism, 71-pressing base, 72-sliding base, 73-pressing roller, 74-elastic piece, 75-backstop claw, 751-top tooth and 76-adjusting component.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the claims of the present invention.

Example (b): as shown in fig. 1 and 2, a drum-type wood chip machine comprises a machine base 1, an upper feeding roller assembly 2, a lower feeding roller assembly 3, a knife roller assembly 4, a bed knife 6 and a bed knife mounting seat 5, wherein the bed knife 6 is positioned between the knife roller assembly 4 and the lower feeding roller assembly 3, and the upper feeding roller assembly 2 is positioned above the lower feeding roller assembly 3. The lower feeding roller assembly 3 consists of a plurality of lower feeding rollers which are horizontally distributed at intervals, and the plurality of lower feeding rollers are driven by chains and chain wheels. The upper feeding roller assembly 2 comprises a rotatable feeding seat and a plurality of obliquely distributed upper feeding rollers arranged on the feeding seat, a hydraulic driving rod is connected between the feeding seat and the machine base 1, and the plurality of upper feeding rollers are driven by chains and chain wheels. The knife roll assembly 4 consists of a knife roll and fly knives, and the fly knives are uniformly distributed on the knife roll in the circumference.

A pressing mechanism 7 is arranged above the bed knife 6, and the pressing mechanism 7 comprises a pressing seat 71 arranged in the machine base 1 and a pressing roller 73 arranged on the pressing seat 71. The compression roller 73 is a rubber roller, two ends of the compression roller are slidably mounted on the compression seat 71 through a sliding seat 72, an elastic piece 74 is connected between the sliding seat 72 and the compression seat 71, the elastic piece 74 is a spring, one end of the spring is fixed on the compression seat 71, the other end of the spring is fixed on the sliding seat 72, and when the compression roller 73 is impacted, the compression roller can buffer and absorb the impact force.

The pressing base 71 is provided with a retaining claw 75, and the retaining claw 75 is positioned on one side of the rotation axis of the press roller 73 close to the direction of the knife roller assembly 4.

As shown in fig. 2, the retaining claw 75 is provided obliquely, and the upper end of the retaining claw 75 is inclined toward the platen roller 73 with respect to the lower end thereof. A line connecting the upper end and the lower end of the retaining claw 75 forms an angle α of more than 90 ° and less than 180 ° with the feeding direction, wherein the angle α is preferably 120 °, 135 °, 145 ° and 150 °, and in the present embodiment the angle α is 120 °.

The upper end of the retaining claw 75 is rotatably mounted on the pressing base 71, and the lower end thereof is suspended above the bed knife 6. A reset piece which enables the stopping claw 75 to rotate towards the direction close to the press roller 73 is connected between the stopping claw 75 and the pressing seat 71, the reset piece is a tension spring, one end of the tension spring is fixed in the middle of the stopping claw 75, and the other end of the tension spring is fixed on the pressing seat 71. During feeding, the wood starts to move forwards horizontally and drives the lower end of the retaining claw 75 to move forwards until sliding friction is generated between the wood and the retaining claw 75; when the wood is forced to move reversely, the tension spring pulls the retaining claw 75 to reset, and at the moment, the lower end of the retaining claw 75 supports against the wood to prevent the wood from moving reversely.

As shown in fig. 2, the lower end of the retaining pawl 75 is provided with a top tooth 751, the top tooth 751 has at least two rows, each row of the top teeth 751 is distributed at intervals along the axial direction of the pressing roller 73, and the length of the front row of the top teeth 751 is greater than that of the rear row of the top teeth 751.

The pressing seat 71 is slidably mounted on the base 1, a sliding groove is formed in the inner wall of the base 1, sliding blocks sliding along the sliding groove are arranged at two ends of the pressing seat 71, an adjusting assembly 76 for pushing the pressing seat 71 to slide up and down is arranged on the base 1, and the adjusting assembly 76 adjusts the up-and-down height of the pressing roller 73 relative to the bed knife 6 in a telescopic mode. The adjusting assembly 76 is a hydraulic cylinder, one end of which is connected to the slide block and the other end is connected to the machine base 1.

The spout sets up for the slope, the upper end of spout is relative its lower extreme to keeping away from 4 direction slopes of rotor assembly. The chute forms an included angle beta of 120-150 degrees with the horizontal direction, i.e. the feeding direction of the pressing seat 71 and the lower feeding roller assembly 3, as shown in fig. 2. The angle β is preferably 120 °, 135 ° and 150 °, in the present embodiment 135 °.

Claims

1. The utility model provides a drum-type wood chip machine, includes frame (1), goes up feed roller assembly (2), feed roller assembly (3), rotor assembly (4), bed knife (6) and bed knife mount pad (5) down, bed knife (6) are located rotor assembly (4) and down between feed roller assembly (3), it is located down feed roller assembly (3) top to go up feed roller assembly (2), its characterized in that: the top of bed knife (6) is provided with hold-down mechanism (7), hold-down mechanism (7) including install in frame (1) compress tightly seat (71) and install compression roller (73) on compressing tightly seat (71), the both ends of compression roller (73) are passed through slide (72) slidable mounting and are being compressed tightly on seat (71), be connected with elastic component (74) between slide (72) and the seat (71) that compresses tightly, compress tightly and be provided with stopping claw (75) on seat (71), stopping claw (75) are located one side that is close to rotor assembly (4) direction of compression roller (73) axis of rotation.

2. A drum chipper in accordance with claim 1, wherein: the upper end of the retaining claw (75) is rotatably arranged on the pressing seat (71), and the lower end of the retaining claw is suspended above the bed knife (6).

3. A drum chipper in accordance with claim 1, wherein: the stopping claw (75) is obliquely arranged, and the upper end of the stopping claw (75) is inclined towards the direction close to the press roller (73) relative to the lower end of the stopping claw.

4. A drum chipper in accordance with claim 3, wherein: and an included angle alpha which is larger than 90 degrees and smaller than 180 degrees is formed between the connecting line of the upper end and the lower end of the retaining claw (75) and the feeding direction.

5. A drum chipper in accordance with claim 2, wherein: and a reset piece which enables the stopping claw (75) to rotate towards the direction close to the press roller (73) is connected between the stopping claw (75) and the pressing seat (71).

6. A drum chipper in accordance with claim 1, wherein: the lower end of the retaining claw (75) is provided with top teeth (751), the top teeth (751) are at least provided with two rows, each row of top teeth (751) are distributed at intervals along the axial direction of the press roller (73), and the length of the front row of top teeth (751) is greater than that of the rear row of top teeth (751).

7. A drum chipper in accordance with claim 1, wherein: compress tightly seat (71) slidable mounting on frame (1), the inner wall of frame (1) is provided with the spout, the both ends that compress tightly seat (71) are provided with along the gliding slider of spout, be provided with on frame (1) and promote to compress tightly seat (71) gliding adjusting part (76) from top to bottom.

8. A drum chipper in accordance with claim 7, wherein: the spout sets up for the slope, the relative its lower extreme of upper end of spout is to keeping away from the slope of rotor assembly (4) direction.

9. A drum chipper in accordance with claim 8, wherein: the moving direction of the pressing seat (71) and the feeding direction of the lower feeding roller assembly (3) form an included angle beta of 120-150 degrees.

10. A drum chipper in accordance with claim 7, wherein: the adjusting component (76) is a hydraulic cylinder, one end of the hydraulic cylinder is connected to the sliding block, and the other end of the hydraulic cylinder is connected to the machine base (1).