CN213669762U

CN213669762U - Drum-type wood chip crusher

Info

Publication number: CN213669762U
Application number: CN202022091521.6U
Authority: CN
Inventors: 王金海
Original assignee: Shandong Bolida Machinery Co ltd
Current assignee: Shandong Bolida Machinery Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-07-13
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a drum-type wood chip crusher, which comprises a crusher body and a crushing mechanism arranged inside the crusher body; a feeding pipe is arranged in the center of the top of the machine body; the crushing mechanism consists of a primary crushing assembly and a secondary crushing assembly; the primary crushing assembly comprises a crushing double-roller positioned below the feeding pipe and a rolling roller arranged below the crushing double-roller; a material guide table is obliquely arranged below the rolling roller; a blanking port is arranged at the inclined lower end of the material guide table; an air inlet is formed below the side of the blanking opening; the air inlet is connected with the air blower through an air inlet pipe; the lower part of the machine body is provided with a secondary crushing chamber and a discharge chamber in a separated way through a baffle plate; the secondary crushing component comprises a crushing paddle and a secondary crushing motor in transmission connection with the crushing paddle; the utility model discloses a drum-type wood chip rubbing crusher can effectively guarantee that timber can be smashed evenly, and prevents the excessive crushing of tiny timber.

Description

Drum-type wood chip crusher

Technical Field

The utility model relates to a pulverizer has and relates to a drum-type wood chip pulverizer, belongs to wood chip pulverizer technical field.

Background

The wood chip refers to wood which is directionally cultivated and is prepared by utilizing residues of forest felling, wood building, processing and the like, the residues are solid fuel, the wood chip is crushed and can be used for processing fiber boards and shaving boards, the processed wood boards are widely adopted in the furniture industry and can be used as raw materials for papermaking and processed into raw materials for machine-made charcoal again, the combustion energy is stronger, the use is more convenient, the combustion raw materials which are often seen in stalls in night markets are machine-made charcoal and can be used as biological raw materials, the value of crushed branches can be greatly seen in the poultry cultivation industry, the wood chips are processed into wood shavings, the wood chips can be widely used for transporting cultivation padding or fragile articles and are used for mushroom edible fungus planting, black fungus edible fungus planting, agaricus bisporus edible fungus planting and the like. In order to cut and crush the wood chips, a wood chip crusher is often used, and the existing wood chip crusher mainly comprises a large fixed drum crusher and a small movable disc crusher; although the drum-type wood chip crusher can efficiently process large batches of wood, the existing drum-type wood chip crusher cannot crush the wood uniformly enough, and often a batch of fine wood is mixed with large wood chips and/or excessively fine wood, so that the product quality is difficult to ensure, and the use effect is influenced. Therefore, in order to solve the above problems, a new wood chip crusher needs to be designed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a drum-type wood chip grinder can effectively guarantee that timber can be smashed evenly, and prevents the excessive crushing of tiny timber.

The utility model discloses a drum-type wood chip crusher, which comprises a crusher body and a crushing mechanism arranged inside the crusher body; the center of the top of the machine body is provided with a feeding pipe which is arranged above the crushing gap between the two crushing rollers, so that wood fed from the feeding pipe can be directly guided into the crushing gap of the crushing pair rollers;

the crushing mechanism consists of a primary crushing assembly and a secondary crushing assembly; the primary crushing assembly is arranged above the secondary crushing assembly;

the primary crushing assembly comprises a crushing double-roller positioned below the feeding pipe and a rolling roller arranged below the crushing double-roller; the crushing double-roll consists of two crushing rolls which are symmetrically arranged; the two crushing rollers are in transmission connection with a primary crushing motor through a transmission chain wheel, and the primary crushing motor drives the two crushing rollers to rotate towards the middle crushing gap direction so as to cut and crush the wood entering the crushing gap; the transmission structure that the motor drives the two roller bodies to rotate towards the middle of the two roller bodies through the transmission chain wheel is the prior art, and the transmission structure and the transmission principle between the primary crushing motor and the crushing roller are not detailed herein; the grinding roller is in transmission connection with a grinding motor through a transmission chain wheel, is driven by the grinding motor to rotate, and guides the wood crushed by the crushing pair rollers to the material guide table; a material guide table is obliquely arranged below the rolling roller, and the rotating rolling roller rolls and crushes the wood materials guided onto the material guide table; a blanking port is formed at the inclined lower end of the material guide table, and the timber rolled by the rolling roller falls freely at the blanking port; an air inlet is formed below the side of the blanking opening; a filter plate is arranged at the air inlet; the air inlet is connected with the air blower through the air inlet pipe, and external fresh air is blown into the machine body from the air inlet through the air blower, so that the primary crushed timber is winnowed to distinguish fine timber and large timber, the uniform crushing of the timber can be effectively ensured, and the excessive crushing of the fine timber is prevented;

a striker plate is vertically arranged at the lower part of the machine body; the lower part of the machine body is provided with a secondary crushing chamber and a discharge chamber in a separated way through a baffle plate; the secondary crushing chamber is arranged below the blanking port; the secondary crushing assembly is arranged in the secondary crushing chamber; the secondary crushing component comprises a crushing paddle and a secondary crushing motor in transmission connection with the crushing paddle; a plurality of crushing teeth are uniformly distributed on the inner wall of the secondary crushing chamber and one side of the baffle plate close to the secondary crushing chamber, the secondary crushing motor is used for driving the crushing paddle to rotate, so that large pieces of timber entering the secondary crushing chamber are crushed again, the timber can be thrown and conveyed to the inner wall of the secondary crushing chamber and the baffle plate under the centrifugal action of the crushing paddle, and the timber is deeply crushed through the crushing teeth on the inner wall of the secondary crushing chamber and the baffle plate; the material baffle plate is provided with grid holes for communicating the secondary crushing chamber with the discharge chamber, and crushed fine wood can be discharged into the discharge chamber through the grid holes; a discharge hole is formed in the bottom of the discharge chamber; and a baffle valve is arranged at the discharge port.

Furthermore, a crushing gap is reserved between the two crushing rollers.

In a preferred embodiment, the rolling roller is in transmission connection with the crushing roller through a transmission gear, and the rolling roller is synchronously driven to operate by a primary crushing motor, so that the input cost and the power consumption of the motor are reduced.

Furthermore, a rolling gap is reserved between the rolling roller and the material guide platform.

Furthermore, a ventilation space is reserved between the upper end of the material baffle and the material guide platform.

Furthermore, the crushing paddle comprises a main shaft in transmission connection with the secondary crushing motor through a coupling, and a plurality of crushing rods arranged at intervals along the axial direction of the main shaft; each crushing rod is respectively positioned between the upper and lower adjacent crushing teeth.

Furthermore, a partition plate is obliquely arranged in the secondary crushing chamber; and a main shaft of the crushing paddle is connected with the isolation plate through a bearing seat assembly.

As a preferred embodiment, the lower part of the machine body is vertically provided with a material blocking screen plate; the secondary crushing chamber is isolated from the discharge chamber through the material blocking screen plate, and the material blocking screen plate is arranged between the secondary crushing chamber and the discharge chamber, so that the wood subjected to primary crushing can enter the discharge chamber after being screened through the material blocking screen plate during air separation, large pieces of wood are prevented from entering the discharge chamber due to overlarge air separation force of an air blower, the air separation quality is improved, and the crushed wood with uniform particle size is obtained; the upper end of the material blocking screen plate is connected with the material guide platform through an upper clamping seat; keep off its lower extreme of material otter board and be connected with supporting baseplate through lower cassette, will keep off the material otter board and adopt the joint mode to install, be convenient for produce slight vibration under the broken pole striking of smashing the oar to prevent timber jam and keep off the material otter board.

In a preferred embodiment, the crushing paddle is fixed with an elastic head at the end of a crushing rod; the elastic head is movably contacted with the material blocking screen plate, and the rotating crushing rod can be utilized to drive the elastic head to impact the material blocking screen plate discontinuously, so that the adhesion of wood chips and crushed materials to the material blocking screen plate is reduced, and the material blocking screen plate is prevented from being blocked and affecting discharging due to the fact that wood materials are accumulated on the material blocking screen plate; wherein, a safety gap is reserved between the elastic head and the inner wall of the secondary crushing chamber.

As a preferred embodiment, the lower part of one side of the discharge chamber, which is far away from the secondary crushing chamber, is provided with an air suction opening; a fine filter plate is arranged in the air suction opening; the suction opening is connected with cyclone through the suction pipe, is connected discharge chamber through suction opening and suction pipe and cyclone, and usable cyclone will mix the too thin crushed aggregates in timber and collect, still accessible suction effect for discharge chamber forms negative pressure state, is favorable to smashing the room with the second grade and smashes the timber that smashes well and suction to discharge chamber in, improves production efficiency, and avoids timber excessively to be smashed, promotes the product quality.

Compared with the prior art, the utility model discloses a drum-type wood piece rubbing crusher utilizes the air-blower to blow external new trend into the organism from the air intake to carry out the selection by winnowing to distinguish tiny timber and large piece timber to the timber after the one-level crushing, can effectively guarantee that timber can be smashed evenly, and prevent the excessive crushing of tiny timber; after winnowing, large pieces of timber enter a secondary crushing chamber for secondary crushing to realize deep crushing of the timber, and crushed fine timber can be discharged into a discharge chamber through the grid holes and uniformly discharged through the discharge chamber; still according to production needs, set up between room and the play feed chamber is smashed to the second grade and keep off the material otter board for timber after the one-level is smashed can get into the play feed chamber again through keeping off the screening of material otter board when carrying out the selection by winnowing, prevent to improve the selection by winnowing quality in the too big piece of timber that causes of selection by winnowing wind power of air-blower gets into the play feed chamber, in order to obtain the even crushing timber of granule size.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.

Fig. 2 is a schematic diagram of the primary crushing assembly crushing principle of the embodiment 1 and the embodiment 2 of the present invention.

Fig. 3 is a schematic structural view of embodiment 3 of the present invention.

The components in the drawings are labeled as: 1-machine body, 2-feeding pipe, 3-primary crushing component, 31-crushing double rollers, 32-rolling roller, 4-secondary crushing component, 41-crushing paddle, 411-main shaft, 412-crushing rod, 42-secondary crushing motor, 5-guide table, 6-blanking port, 7-air inlet, 8-filter plate, 9-baffle plate, 10-secondary crushing chamber, 11-discharging chamber, 12-crushing teeth, 13-grid holes, 14-discharging port, 15-isolation plate, 16-baffle screen plate, 17-upper clamping seat, 18-lower clamping seat, 19-supporting bottom plate, 20-elastic head, 21-air suction port, 22-fine filter plate, 23-air suction pipe and 24-air inlet pipe.

Detailed Description

Example 1:

the drum-type wood chip crusher shown in fig. 1 and 2 comprises a machine body 1 and a crushing mechanism arranged inside the machine body 1; a feeding pipe 2 is arranged in the center of the top of the machine body 1 and is arranged above the crushing gap between the two crushing rollers, so that wood fed from the feeding pipe can be directly guided into the crushing gap of the crushing rollers;

the crushing mechanism consists of a primary crushing component 3 and a secondary crushing component 4; the primary crushing assembly 3 is arranged above the secondary crushing assembly 4;

the primary crushing assembly 3 comprises a crushing double-roller 31 positioned below the feeding pipe 2 and a rolling roller 32 arranged below the crushing double-roller 31; the crushing pair rollers 31 are composed of two symmetrically arranged crushing rollers; the two crushing rollers are in transmission connection with a primary crushing motor (not shown) through a transmission chain wheel, and the primary crushing motor drives the two crushing rollers to rotate towards the middle crushing gap direction so as to cut and crush the wood entering the crushing gap; the rolling roller 32 is in transmission connection with a rolling motor (not shown) through a transmission chain wheel, is driven by the rolling motor to rotate, and guides the wood crushed by the crushing roller pair to the material guide table; the material guide table 5 is obliquely arranged below the rolling roller 32, and the rotating rolling roller rolls and crushes the wood materials guided onto the material guide table; a blanking port 6 is formed at the inclined lower end of the material guide table 5, and the timber rolled by the rolling roller falls freely at the blanking port; an air inlet 7 is formed in the lower side of the blanking port 6; a filter plate 8 is arranged at the air inlet 7; the air inlet 7 is connected with an air blower through an air inlet pipe 24, and external fresh air is blown into the machine body from the air inlet by the air blower, so that the primary crushed timber is winnowed to distinguish fine timber and large timber, the uniform crushing of the timber can be effectively ensured, and the excessive crushing of the fine timber is prevented;

a striker plate 9 is vertically arranged at the lower part of the machine body 1; the lower part of the machine body 1 is provided with a secondary crushing chamber 10 and a discharge chamber 11 in an isolated way through a material baffle plate 9; the secondary crushing chamber 10 is arranged below the blanking port 6; the secondary crushing assembly 4 is arranged in the secondary crushing chamber 10; the secondary crushing component 4 comprises a crushing paddle 41 and a secondary crushing motor 42 in transmission connection with the crushing paddle 41; a plurality of crushing teeth 12 are uniformly distributed on the inner wall of the secondary crushing chamber 10 and one side of the baffle plate 9 close to the secondary crushing chamber 10, and a secondary crushing motor is utilized to drive the crushing paddle to rotate, so that large pieces of wood entering the secondary crushing chamber are crushed again, the wood can be thrown and conveyed to the inner wall of the secondary crushing chamber and the baffle plate under the centrifugal action of the crushing paddle, and the wood is deeply crushed through the crushing teeth on the inner wall of the secondary crushing chamber and the baffle plate; the striker plate 9 is provided with grid holes 13 for communicating the secondary crushing chamber 10 and the discharge chamber 11, and crushed fine wood can be discharged into the discharge chamber through the grid holes; a discharge hole 14 is formed in the bottom of the discharge chamber 11; and a baffle valve is arranged at the discharge hole 14.

A crushing gap is reserved between the two crushing rollers.

And a rolling gap is reserved between the rolling roller 32 and the material guide platform 5.

And a ventilation space is reserved between the upper end of the material baffle plate 9 and the material guide platform 5.

The crushing paddle 41 comprises a main shaft 411 in transmission connection with the secondary crushing motor 42 through a coupler, and a plurality of crushing rods 412 arranged at intervals along the axial direction of the main shaft 411; each of the crushing rods 412 is respectively positioned between the upper and lower adjacent crushing teeth 12.

The secondary crushing chamber 10 is obliquely provided with a partition plate 15; the main shaft of the crushing paddle 41 is connected with the isolation plate 15 through a bearing seat assembly.

Example 2:

the drum-type wood chip crusher shown in fig. 2 has a structure substantially the same as that of embodiment 1, wherein the rolling roller 32 is in transmission connection with the crushing roller through a transmission gear, and the rolling roller is synchronously driven to operate by a primary crushing motor, so that the input cost and the power consumption of the motor are reduced.

Example 3:

the drum-type wood chip crusher shown in fig. 3 has substantially the same structure as that of embodiment 1, wherein a material blocking screen plate 16 is vertically installed at the lower part of the machine body 1; the secondary crushing chamber 10 and the discharge chamber 11 are isolated by a material blocking screen plate 16, and the material blocking screen plate is arranged between the secondary crushing chamber and the discharge chamber, so that the wood subjected to primary crushing can enter the discharge chamber after being screened by the material blocking screen plate during air separation, large pieces of wood are prevented from entering the discharge chamber due to overlarge air separation force of an air blower, the air separation quality is improved, and crushed wood with uniform particle size is obtained; the upper end of the material blocking screen plate 16 is connected with the material guide table 5 through an upper clamping seat 17; the lower end of the material blocking screen plate 16 is connected with the supporting bottom plate 19 through the lower clamping seat 18, the material blocking screen plate is installed in a clamping mode, slight vibration is generated under the impact of a crushing rod of the crushing paddle, and accordingly the material blocking screen plate is prevented from being blocked by wood. The end part of the crushing rod 412 of the crushing paddle 41 is fixed with an elastic head 20; elastic head 20 and the 16 active contact of fender material otter board, usable rotatory broken pole drives the elastic head and carries out impact discontinuously to keeping off the material otter board to reduce saw-dust and crushed aggregates to keeping off the adhesion of material otter board, avoid piling up on keeping off the material otter board because of timber, and cause to keep off the material otter board and block up, influence the ejection of compact. An air suction opening 21 is formed in the lower part of one side of the discharging chamber 11, which is far away from the secondary crushing chamber 10; a fine filter plate 22 is arranged in the air suction opening 21; suction opening 21 passes through suction hose 23 and is connected with cyclone, passes through suction opening and suction hose with the discharge chamber and is connected with cyclone, and usable cyclone will mix the too thin crushed aggregates in timber and collect, still accessible suction for the discharge chamber forms negative pressure state, is favorable to smashing the room with the second grade and smashes during crushing good timber suction to the discharge chamber, improves production efficiency, and avoids timber excessively to be smashed, promotes the product quality.

The drum-type wood chip crusher of the utility model guides the wood fed from the feeding pipe into the crushing gap of the crushing double rollers; the primary crushing motor drives the two crushing rollers to rotate towards the direction of the middle crushing gap, and the wood entering the crushing gap is cut and crushed; meanwhile, the rolling roller is driven by a rolling motor to rotate, the wood crushed by the crushing roller pair is guided to the material guide table, and the rotating rolling roller rolls and crushes the wood falling onto the material guide table; the timber rolled by the rolling roller falls freely at the blanking opening; blowing external fresh air into the machine body from the air inlet by using the air blower, so that the primarily crushed timber is winnowed to distinguish fine timber from large pieces of timber, the timber can be effectively crushed uniformly, and the fine timber is prevented from being excessively crushed; after winnowing, large pieces of timber enter a secondary crushing chamber to be subjected to secondary crushing, and a secondary crushing motor is used for driving a crushing paddle to rotate, so that the large pieces of timber entering the secondary crushing chamber are crushed again, the timber can be thrown to the inner wall of the secondary crushing chamber and the position of a baffle plate under the centrifugal action of the crushing paddle, and the timber is deeply crushed through crushing teeth on the inner wall of the secondary crushing chamber and the baffle plate; the tiny wood after smashing can be discharged into to the discharge chamber through the mesh hole, and unified ejection of compact is carried out through the discharge chamber.

The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.

Claims

1. A drum-type wood chip crusher is characterized in that: comprises a machine body and a crushing mechanism arranged in the machine body; a feeding pipe is arranged in the center of the top of the machine body;

the primary crushing assembly comprises a crushing double-roller positioned below the feeding pipe and a rolling roller arranged below the crushing double-roller; the crushing double-roll consists of two crushing rolls which are symmetrically arranged; the two crushing rollers are in transmission connection with a primary crushing motor through a transmission chain wheel; the rolling roller is in transmission connection with a rolling motor through a transmission chain wheel; a material guide table is obliquely arranged below the rolling roller; a blanking port is arranged at the inclined lower end of the material guide table; an air inlet is formed below the side of the blanking opening; a filter plate is arranged at the air inlet; the air inlet is connected with the air blower through an air inlet pipe;

a striker plate is vertically arranged at the lower part of the machine body; the lower part of the machine body is provided with a secondary crushing chamber and a discharge chamber in a separated way through a baffle plate; the secondary crushing chamber is arranged below the blanking port; the secondary crushing assembly is arranged in the secondary crushing chamber; the secondary crushing component comprises a crushing paddle and a secondary crushing motor in transmission connection with the crushing paddle; a plurality of crushing teeth are uniformly distributed on the inner wall of the secondary crushing chamber and one side of the striker plate close to the secondary crushing chamber; the material baffle plate is provided with grid holes for communicating the secondary crushing chamber with the discharge chamber; a discharge hole is formed in the bottom of the discharge chamber; and a baffle valve is arranged at the discharge port.

2. The drum wood chip pulverizer of claim 1, wherein: a crushing gap is reserved between the two crushing rollers.

3. The drum wood chip pulverizer of claim 1, wherein: the rolling roller is in transmission connection with the crushing roller through a transmission gear.

4. The drum wood chip pulverizer of claim 1, wherein: and a rolling gap is reserved between the rolling roller and the material guide platform.

5. The drum wood chip pulverizer of claim 1, wherein: a ventilation space is reserved between the upper end of the material baffle and the material guide platform.

6. The drum wood chip pulverizer of claim 1, wherein: the crushing paddle comprises a main shaft in transmission connection with the secondary crushing motor through a coupler, and a plurality of crushing rods arranged at intervals along the axial direction of the main shaft; each crushing rod is respectively positioned between the upper and lower adjacent crushing teeth.

7. The drum wood chip pulverizer of claim 1, wherein: the secondary crushing chamber is obliquely provided with a separation plate; and a main shaft of the crushing paddle is connected with the isolation plate through a bearing seat assembly.

8. The drum wood chip pulverizer of claim 1, wherein: the lower part of the machine body is vertically provided with a material blocking screen plate; the secondary crushing chamber is isolated from the discharge chamber through a material blocking screen plate; the upper end of the material blocking screen plate is connected with the material guide platform through an upper clamping seat; the lower end of the material blocking screen plate is connected with the supporting bottom plate through the lower clamping seat.

9. The drum wood chip pulverizer of claim 1, wherein: an elastic head is fixed at the end part of a crushing rod of the crushing paddle; the elastic head is movably contacted with the material blocking screen plate.

10. The drum wood chip pulverizer of claim 1, wherein: an air suction opening is formed in the lower part of one side of the discharging chamber, which is far away from the secondary crushing chamber; a fine filter plate is arranged in the air suction opening; the air suction opening is connected with the cyclone dust collector through an air suction pipe.