阅读说明：本技术 一种碎木机及其自动喂料和预处理装置 (Wood grinder and automatic feeding and preprocessing device thereof ) 是由 李道义 张丽娜 汪孝林 王也 刘铎 尹玲玉 于 2020-03-18 设计创作，主要内容包括：一种碎木机及其自动喂料和预处理装置,该碎木机包括壳体和安装在该壳体内的切碎机构,该壳体上设置有进料口和出料口,该进料口处还设置有自动喂料和预处理装置,该自动喂料和预处理装置包括：支架,与碎木机的进料口连接；喂料机构,安装在该支架上,该喂料机构包括相向设置的一对滚轮、复位机构和驱动机构,该驱动机构与该一对滚轮连接,该复位机构分别与该支架及一对滚轮连接；控制器,与该喂料机构连接；以及预处理机构,设置在该喂料机构与该进料口之间,并与该控制器连接,该预处理机构包括刀具和刀具升降机构,该刀具安装在该刀具升降机构上,该刀具升降机构安装在该支架上,该刀具的切割刃垂直于该喂料机构的进料方向。(The utility model provides a wood grinder and automatic feed and preprocessing device thereof, this wood grinder includes the casing and installs the shredder mechanism in this casing, is provided with feed inlet and discharge gate on this casing, and this feed inlet department still is provided with automatic feed and preprocessing device, and this automatic feed and preprocessing device include: the bracket is connected with a feeding hole of the wood breaker; the feeding mechanism is arranged on the bracket and comprises a pair of rollers, a reset mechanism and a driving mechanism which are oppositely arranged, the driving mechanism is connected with the pair of rollers, and the reset mechanism is respectively connected with the bracket and the pair of rollers; the controller is connected with the feeding mechanism; and the pretreatment mechanism is arranged between the feeding mechanism and the feeding hole and is connected with the controller, the pretreatment mechanism comprises a cutter and a cutter lifting mechanism, the cutter is arranged on the cutter lifting mechanism, the cutter lifting mechanism is arranged on the bracket, and the cutting edge of the cutter is vertical to the feeding direction of the feeding mechanism.)

1. An automatic feeding and pretreatment device of a wood breaker is characterized by comprising:

the bracket is connected with a feeding hole of the wood breaker;

the feeding mechanism is arranged on the bracket and comprises a pair of rollers, a reset mechanism and a driving mechanism which are oppositely arranged, the driving mechanism is connected with the pair of rollers, and the reset mechanism is respectively connected with the bracket and the pair of rollers;

the controller is connected with the feeding mechanism; and

the pretreatment mechanism is arranged between the feeding mechanism and the feeding port and connected with the controller, the pretreatment mechanism comprises a cutter and a cutter lifting mechanism, the cutter is installed on the cutter lifting mechanism, the cutter lifting mechanism is installed on the support, and the cutting edge of the cutter is perpendicular to the feeding direction of the feeding mechanism.

2. An automatic feeding and preprocessing device of a wood grinder as set forth in claim 1, wherein the outer surfaces of the pair of rollers are made of rubber material, and rubber columns having a diameter of 6-8mm and a length of 10mm are uniformly distributed on the outer surfaces.

3. An automatic feeding and preprocessing device for a wood grinder as set forth in claim 1 or 2, wherein the driving mechanism includes a roller motor provided corresponding to the pair of rollers, the roller motor being connected to the controller, each roller being connected to a roller motor through a coupling, respectively, the roller motors rotating in opposite directions and synchronously toward the feeding port.

4. An automatic feeding and preprocessing apparatus for a wood grinder as set forth in claim 3, wherein the roller is provided with an angle sensor to measure an angle the roller rotates, and transmits information of the measured angle to the controller, which calculates a feeding length of the feeding mechanism from the information of the angle; when the feeding length reaches a set value, the controller controls the roller to stop rotating; and simultaneously the controller controls the pretreatment mechanism to cut the wood fed by the feeding mechanism.

5. An automatic feeding and preprocessing apparatus for a wood grinder as set forth in claim 4, wherein said returning means comprises springs respectively provided at outer sides of said pair of rollers, both ends of said springs being connected to said corresponding rollers and said support respectively, and a gap between said pair of rollers is 40-60mm when the wood-free material is fed.

6. An automatic feeding and preprocessing apparatus for a log splitter as set forth in claim 5 wherein said cutter elevating mechanism comprises a lead screw, a slider and a cutter elevating motor, said cutter elevating motor being connected to said controller and to said lead screw through a coupling, said slider being mounted on and moving along said lead screw, said cutter being mounted on and moving with said slider.

7. An automatic feeding and preprocessing apparatus for a wood grinder as set forth in claim 6 wherein said cutter is a disc cutter, said disc cutter being independently driven to rotate by a cutter motor, said cutter motor being connected to said controller.

8. An automatic feeding and preprocessing apparatus for a wood grinder as set forth in claim 7 wherein after the wood fed by said feeding mechanism is cut, said controller controls said cutter to be raised and controls said roller to continue to rotate to feed the wood, which pushes the cut wood into said feed opening.

9. An automatic feeding and preprocessing device for a wood grinder as set forth in claim 7, wherein the axis of the lead screw is parallel to the axis of the roller, and the rotational axis of the cutter is perpendicular to the axis of the roller and is located at the symmetrical center of the pair of rollers.

10. A wood grinder comprising a housing and a chopping mechanism mounted in the housing, the housing being provided with a feed inlet and a discharge outlet, characterized in that the feed inlet is further provided with an automatic feeding and pre-treatment device as claimed in any one of claims 1 to 9.

Technical Field

The invention relates to wood crushing processing equipment, in particular to a wood crusher and an automatic feeding and preprocessing device thereof.

Background

At present, most of wood is used for manufacturing various wood appliances, while some smaller wood cannot be used for directly manufacturing materials of the wood appliances, such as bent branches, vines, processed waste materials and the like, in the prior art, the small wood, the branches and the like are generally crushed by a wood crusher and then applied to the field as fertilizer to be beneficial to crop growth; or the composite density board is processed and manufactured after being crushed and is widely applied to the fields of office supplies, school supplies and the like so as to realize recycling. The rotation direction of a feeding roller of the small-sized wood chipper in the prior art is directional, once the feeding roller is blocked, the feeding roller cannot automatically return materials, and manual operation is needed, so that the working efficiency is reduced; even when the feeding is in a dead state, the driving wheel of the machine still continues to transmit power, so that the machine is easily damaged due to overheating, and the safety of operators can be endangered in case of accidents. And the existing wood grinder only performs single grinding on wood, and does not relate to links such as automatic feeding, pretreatment and the like of the wood.

Disclosure of Invention

The invention aims to solve the technical problem of providing a wood breaker and an automatic feeding and preprocessing device thereof aiming at the defects in the prior art.

In order to achieve the above object, the present invention provides an automatic feeding and preprocessing apparatus of a wood grinder, comprising:

the bracket is connected with a feeding hole of the wood breaker;

the feeding mechanism is arranged on the bracket and comprises a pair of rollers, a reset mechanism and a driving mechanism which are oppositely arranged, the driving mechanism is connected with the pair of rollers, and the reset mechanism is respectively connected with the bracket and the pair of rollers;

the controller is connected with the feeding mechanism; and

the pretreatment mechanism is arranged between the feeding mechanism and the feeding port and connected with the controller, the pretreatment mechanism comprises a cutter and a cutter lifting mechanism, the cutter is installed on the cutter lifting mechanism, the cutter lifting mechanism is installed on the support, and the cutting edge of the cutter is perpendicular to the feeding direction of the feeding mechanism.

In the automatic feeding and pretreatment device of the wood crusher, the outer surfaces of the pair of rollers are made of rubber materials, and rubber columns with the diameter of 6-8mm and the length of 10mm are uniformly distributed on the outer surfaces.

The automatic feeding and pretreatment device of the wood grinder is characterized in that the driving mechanism comprises roller motors arranged corresponding to the pair of rollers, the roller motors are connected with the controller, each roller is connected with one roller motor through a coupler, and the roller motors rotate in opposite directions and synchronously rotate towards the feeding hole.

In the automatic feeding and preprocessing device of the wood grinder, the roller is provided with an angle sensor to measure the rotating angle of the roller and transmit the measured angle information to the controller, and the controller calculates the feeding length of the feeding mechanism according to the angle information; when the feeding length reaches a set value, the controller controls the roller to stop rotating; and simultaneously the controller controls the pretreatment mechanism to cut the wood fed by the feeding mechanism.

The automatic feeding and pretreatment device of the wood chipper is characterized in that the reset mechanism comprises springs respectively arranged on the outer sides of the pair of rollers, two ends of each spring are respectively connected with the corresponding roller and the corresponding support, and the gap between the pair of rollers is 40-60mm when no wood is fed.

The automatic feeding and pretreatment device of the wood chipper comprises a feed screw, a slide block and a cutter lifting motor, wherein the cutter lifting motor is connected with the controller and is connected with the feed screw through a coupler, the slide block is arranged on the feed screw and moves along the feed screw, and the cutter is arranged on the slide block and moves along with the slide block.

The automatic feeding and pretreatment device of the wood chipper is characterized in that the cutter is a disc cutter, the disc cutter is driven to rotate independently through a cutter motor, and the cutter motor is connected with the controller.

In the automatic feeding and preprocessing device of the wood chipper, after the wood fed by the feeding mechanism is cut, the controller controls the cutter to lift, controls the roller to continue rotating to feed the wood, and pushes the cut wood to enter the feeding hole.

In the automatic feeding and preprocessing device of the wood grinder, the axis of the lead screw is parallel to the axis of the roller, and the rotation axis of the cutter is perpendicular to the axis of the roller and is located at the symmetrical center of the pair of rollers.

In order to better achieve the aim, the invention also provides a wood breaker, which comprises a shell and a chopping mechanism arranged in the shell, wherein the shell is provided with a feeding hole and a discharging hole, and the feeding hole is also provided with an automatic feeding and pretreatment device.

The invention has the technical effects that:

the automatic feeding and pretreatment device is simple, convenient, feasible, economical and effective, can automatically feed materials by being matched with the wood breaker, replaces manual feeding with mechanical feeding, saves manpower resources, furthest reduces direct and indirect contact between workers and the wood breaker, and effectively protects the safety of the workers. And set up preliminary treatment mechanism before timber and hobbing cutter contact, can cut into the small segment short material with timber, length can be set for according to the actual demand, is convenient for directly smash and can not twine on hobbing cutter and arbor.

The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.

Drawings

Fig. 1 is a schematic structural view of a wood grinder according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an automatic feeding and pretreatment apparatus according to an embodiment of the present invention;

fig. 3 and 4 are schematic diagrams of a preprocessing process according to an embodiment of the invention.

Wherein the reference numerals

1 casing

2 shredding mechanism

3 discharge hole

4 feed inlet

5 cutter lifting motor

6 coupling

7 leading screw

8 spring

9 roller

10-roller motor

11 cutting tool

12 sliding block

13 cutter motor

14 support

15 roller motor coupling

Detailed Description

The invention will be described in detail with reference to the following drawings, which are provided for illustration purposes and the like:

referring to fig. 1, fig. 1 is a schematic structural view of a wood grinder according to an embodiment of the present invention. The wood crusher comprises a shell 1 and a chopping mechanism 2 arranged in the shell 1, wherein a feeding hole 4 and a discharging hole 3 are formed in the shell 1, and an automatic feeding and preprocessing device is further arranged at the feeding hole 4. The composition, structure, mutual position relation, connection relation and working principle of other parts of the wood breaker are mature prior art, so the details are not described herein, and only the automatic feeding and pretreatment device of the invention is described in detail below.

Referring to fig. 2, fig. 2 is a schematic structural view of an automatic feeding and preprocessing apparatus according to an embodiment of the present invention. The automatic feeding and pretreatment device of the invention comprises: the bracket 14 is connected with the feeding hole 4 of the wood breaker; the feeding mechanism is arranged on the support 14 and comprises a pair of rollers 9, a reset mechanism and a driving mechanism which are arranged oppositely, the driving mechanism is connected with the pair of rollers 9, and the reset mechanism is respectively connected with the support 14 and the pair of rollers 9; a controller (not shown) connected to the feeding mechanism; and the pretreatment mechanism is arranged between the feeding mechanism and the feeding port 4 and is connected with the controller, the pretreatment mechanism comprises a cutter 11 and a cutter lifting mechanism, the cutter 11 is arranged on the cutter lifting mechanism, the cutter lifting mechanism is arranged on the bracket 14, and the cutting edge of the cutter 11 is vertical to the feeding direction of the feeding mechanism.

The outer surfaces of the rollers 9 are preferably made of rubber materials, and rubber columns with the diameter of 6-8mm and the length of 10mm are uniformly distributed on the outer surfaces, so that the rubber columns are favorably meshed with branches of wood, the contact area and the friction force are increased, and the feeding is facilitated. The actuating mechanism of this embodiment includes corresponding to the gyro wheel motor 10 that a pair of gyro wheel 9 set up, gyro wheel motor 10 with the controller is connected, and every gyro wheel 9 is connected with a gyro wheel motor 10 through shaft coupling 15 respectively, gyro wheel motor 10 revolves to opposite and synchronous orientation feed inlet 4 is rotatory. The roller 9 is provided with an angle sensor to measure the rotating angle of the roller 9 and transmit the measured angle information to the controller, and the controller calculates the feeding length of the feeding mechanism according to the angle information; when the feeding length reaches a set value, the controller controls the roller 9 to stop rotating, and feeding stops; meanwhile, the controller controls the preprocessing mechanism to cut the wood fed by the feeding mechanism, namely the controller outputs a control signal, the control slide block 12 moves downwards under the driving of the cutter lifting motor 5, and the cutter 11 rotates to cut the wood all the time under the driving of the cutter motor 13. After the timber of specified length is cut, the controller control cutter 11 rises under the drive of cutter elevator motor 5, gets back to the top to control of output control signal the gyro wheel 9 continues to rotate and sends into timber, and the timber of sending into promotes to be smashed by shredder mechanism 2 behind the timber entering feed inlet 4 of lumber crusher.

In this embodiment, the restoring mechanism may include springs 8 respectively disposed outside the pair of rollers 9, both ends of the springs 8 are respectively connected to the corresponding rollers 9 and the brackets 14, and a gap between the pair of rollers 9 is preferably 40 to 60mm when no wood is fed. The cutter lifting mechanism comprises a lead screw 7, a slider 12 and a cutter lifting motor 5, the cutter lifting motor 5 is connected with the controller and is connected with the lead screw 7 through a coupler 6, the slider 12 is installed on the lead screw 7 and moves along the lead screw 7, and the cutter 11 is installed on the slider 12 and moves along with the slider 12. The axis of the lead screw 7 is parallel to the axis of the roller 9, and the rotation axis of the tool 11 is perpendicular to the axis of the roller 9 and is located at the symmetrical center of the pair of rollers 9. The cutter 11 is preferably a disc cutter 11, the disc cutter 11 is driven to rotate by a cutter motor 13, and the cutter motor 13 is connected with the controller.

Referring to fig. 3 and 4, fig. 3 and 4 are schematic diagrams illustrating a preprocessing operation according to an embodiment of the present invention. When the wood crusher works, the two rollers 9 are driven by the roller motor 10 through the shaft coupling 15 to rotate, the two rollers 9 rotate in opposite directions and simultaneously rotate to the feeding hole 4 of the wood crusher; the two rollers 9 generate opposite spring forces under the action of the upper and lower pairs of springs 8, and the middle gap of the two rollers 9 is about 40-60mm when no wood is fed under the action of the elasticity of the springs 8; when the wood is fed, the two rollers 9 extrude the wood, and simultaneously, the two rollers 9 rotate relatively to convey the wood to the feeding hole 4 of the wood crusher, and the cutter 11 is arranged at the top; after the wood is fed to a certain length, the controller generates a signal to control the roller 9 to stop rotating, and the feeding is stopped; after the feeding is stopped, the sliding block 12 moves downwards along the screw 7 under the driving of the cutter lifting motor 5, and the cutter 11 rotates to cut wood under the driving of the cutter motor 13; after the cutting is finished, the cutter 11 is lifted, and the controller generates a signal to control the roller 9 to continue rotating to feed the wood, and the fed wood pushes the cut wood to enter the feeding hole 4 of the wood crusher for crushing.

The automatic feeding and pretreatment device can be used in cooperation with the wood chipper for automatic feeding, and manual feeding is replaced by feeding by the mechanical device, so that not only are manpower resources saved, but also direct and indirect contact between workers and the wood chipper is reduced to the maximum extent, and the workers are effectively protected. And set up preprocessing device before timber and hobbing cutter contact, be about to timber and cut into the length can be according to actual demand and a section of short material that sets for, can be convenient for directly smash like this and can not twine on the hobbing cutter of shredder mechanism 2 and the arbor.

The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.