Bark crusher for papermaking

Abstract

The utility model relates to the field of crusher equipment, in particular to a bark crusher for papermaking, which comprises a crusher body, a motor, a connecting shaft and a feeding shell, the motor is mounted on the rear side of the crusher body, the feeding shell is hinged to the top end of the crusher body, and the connecting shaft is rotatably connected between the crusher body and the feeding shell. An arc-shaped plate can be driven to move through a second transmission chain wheel, so that a sliding rod reciprocates on a fixing rod, a pressing roller can be intermittently driven to extrude barks on a plurality of feeding rollers, the barks are stably conveyed into a crushing machine body to be crushed, and the barks are stably conveyed into the crushing machine body through a buffering spring. And meanwhile, due to the supporting performance of the buffer springs, gaps are reserved between the pressing roller and the multiple feeding rollers, and barks can pass through conveniently.

Description

Technical Field

[0001] The utility model relates to the field of pulverizer equipment, in particular to a bark pulverizer for papermaking. Background Art

[0002] The bark crusher is a kind of equipment specially designed for crushing biomass materials such as bark. After the material enters the crushing chamber from the feed hopper, it is hit and broken by the high-speed rotating hammer.

[0003] Chinese utility model patent CN216419636U discloses a bark crusher, which drives the roller and the conveyor belt to rotate through a second motor. At this time, the conveyor belt can introduce the bark to be crushed into the interior of the barrel. A receiving hopper is fixedly connected to the upper part of the interior of the barrel to facilitate collecting the bark in the receiving hopper.

[0004] However, when the bark is placed on the conveyor belt, the airflow generated by the crusher body when crushing the bark is easy to blow the light bark away due to its light weight. When the bark is conveyed, there is no mechanism to press and convey the bark, which makes it easy for larger bark to get stuck in the feed port and cause blockage between the barks, which affects the bark from entering the crusher body for crushing. Based on this, we propose a bark crusher for papermaking. Utility Model Content

[0005] The purpose of the utility model is to provide a bark crusher for papermaking, so as to solve the problem that there is a lack of a mechanism for pressing and conveying bark in the above-mentioned background technology, which causes larger bark to be easily stuck in the feed port and causes blockage between the barks, thus affecting the bark from entering the crusher body for crushing.

[0006] The technical scheme of the utility model is: a bark crusher for papermaking, comprising a crushing machine body, a motor, a connecting shaft and a feed shell, wherein the motor is installed at the rear side of the crushing machine body, the feed shell is hinged at the top of the crushing machine body, the connecting shaft is rotatably connected between the crushing machine body and the feed shell, and also comprises a transmission mechanism, an extrusion mechanism and a buffer mechanism, wherein the transmission mechanism is arranged at the outside of the feed shell, the extrusion mechanism is arranged at the inside of the feed shell, the transmission mechanism is connected with the extrusion mechanism and drives the extrusion mechanism to do reciprocating motion, the extrusion mechanism is used to extrude the bark in the feed shell and make it vibrate, and the buffer mechanism has two buffer mechanisms arranged at both sides of the feed shell, the two buffer mechanisms are respectively located directly below the two sides of the transmission mechanism, and respectively buffer the two sides of the transmission mechanism.

[0007] Furthermore, a driving sprocket is fixedly connected to the output shaft end of the motor, a driven sprocket is fixedly connected to one end of the connecting shaft, and the driving sprocket and the driven sprocket are connected via a first chain.

[0008] Furthermore, the transmission mechanism includes a second chain, one end of the connecting shaft is fixedly connected to the first transmission sprocket, one side of the feed shell is fixedly connected to an L-shaped plate, the inner side of the L-shaped plate is connected to the second transmission sprocket through a rotating shaft, the second chain is arranged between the first transmission sprocket and the second transmission sprocket, and the inner side of the second transmission sprocket is fixedly connected to a guide plate.

[0009] Furthermore, the extrusion mechanism includes a pressure roller and a sliding rod. Long guide holes are opened on both sides of the feed shell. Fixed rods are fixedly connected to the inside of the long guide holes. Both ends of the sliding rod are respectively arranged in the two long guide holes, and the two ends of the sliding rod are respectively slidably connected to the fixed rods on the corresponding sides. The pressure roller is rotatably mounted on the outer wall of the sliding rod.

[0010] Furthermore, the buffer mechanism includes a buffer spring, and a mounting block is fixedly connected to the bottom of one side of the feed shell, the mounting block is located directly below the corresponding end of the slide rod, one end of the buffer spring is fixedly connected to the top of the mounting block, and the other end is fixedly connected to a placement plate, and the top surface of the placement plate is adapted to the outer wall of the slide rod.

[0011] Furthermore, a plurality of feeding rollers are rotatably embedded in the bottom end of the feed shell.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model drives the arc plate to move through the second transmission sprocket, so that the slide bar performs reciprocating motion on the fixed rod, thereby intermittently driving the pressure roller to squeeze the bark on the plurality of feed rollers, so that the bark is stably transported to the inside of the crushing machine body for crushing, and cooperates with the buffer spring to buffer the impact force generated by the falling of the slide bar. At the same time, due to the support of the buffer spring, a gap is left between the pressure roller and the plurality of feed rollers, so that the bark can pass through conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a top view of the pulverizer body of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the pressure roller area of ​​the utility model;

[0017] Figure 4 It is a structural schematic diagram of the feed shell area of ​​the utility model.

[0018] Description of reference numerals:

[0019] 1. Crusher body; 2. Motor; 3. Feed shell; 4. Driving sprocket; 5. First chain; 6. Driven sprocket; 7. Connecting shaft; 8. First transmission sprocket; 9. L-shaped plate; 10. Second transmission sprocket; 11. Second chain; 12. Guide plate; 13. Long guide hole; 14. Fixed rod; 15. Sliding rod; 16. Mounting block; 17. Buffer spring; 18. Pressure roller; 19. Feed roller; 20. Placement plate. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with specific embodiments. However, people familiar with the art should understand that the detailed description given here in conjunction with the drawings is for better explanation, and the structure of the present invention necessarily exceeds these limited embodiments. For some equivalent replacement schemes or common means, they are no longer described in detail herein, but still fall within the scope of protection of the present application.

[0021] Figure 1-Figure 4 It is the best embodiment of the utility model, and the following Figure 1-Figure 4 The utility model is further described.

[0022] Reference Figure 1-Figure 4 A bark crusher for papermaking includes a crushing machine body 1, a motor 2, a connecting shaft 7 and a feed shell 3. The motor 2 is installed on the rear side of the crushing machine body 1, the feed shell 3 is hinged to the top of the crushing machine body 1, and the connecting shaft 7 is rotatably connected between the crushing machine body 1 and the feed shell 3. It also includes a transmission mechanism, an extrusion mechanism and a buffer mechanism. The transmission mechanism is arranged on the outside of the feed shell 3, and the extrusion mechanism is arranged inside the feed shell 3. The transmission mechanism is connected to the extrusion mechanism and is used to drive the extrusion mechanism to reciprocate. There are two buffer mechanisms arranged on both sides of the feed shell 3. The two buffer mechanisms are respectively located directly below the two sides of the transmission mechanism, and buffer the two sides of the transmission mechanism respectively.

[0023] In this embodiment, the extrusion mechanism can make reciprocating motion inside the feed shell 3 through the transmission mechanism. The buffer mechanism can support the extrusion mechanism and buffer the impact force generated by the falling of the extrusion mechanism. In this way, the bark falling in the feed shell 3 can be intermittently squeezed, so that the bark can be smoothly transported to the inside of the crushing machine body 1 for crushing.

[0024] Specifically, the output shaft end of the motor 2 is fixedly connected with a driving sprocket 4 , one end of the connecting shaft 7 is fixedly connected with a driven sprocket 6 , and the driving sprocket 4 and the driven sprocket 6 are connected via a first chain 5 .

[0025] Specifically, the transmission mechanism includes a second chain 11, a first transmission sprocket 8 is fixedly connected to the connecting shaft 7, an L-shaped plate 9 is fixedly connected to one side of the feed shell 3, the inner side of the L-shaped plate 9 is connected to the second transmission sprocket 10 through a rotating shaft, the second chain 11 is arranged between the first transmission sprocket 8 and the second transmission sprocket 10, and a guide plate 12 is fixedly connected to the inner side of the second transmission sprocket 10.

[0026] In this embodiment, the guide plate 12 is in an arc shape that gradually approaches the axis of the second transmission sprocket 10 along the rotation direction.

[0027] Specifically, the extrusion mechanism includes a pressure roller 18 and a slide rod 15. Vertical guide long holes 13 are opened on both sides of the feed shell 3. A vertical fixed rod 14 is fixedly connected in each guide long hole 13. The two ends of the slide rod 15 are respectively arranged in the two guide long holes 13, and the two ends of the slide rod 15 are respectively slidably connected to the fixed rod 14 on the corresponding side. The pressure roller 18 is rotatably mounted on the outer wall of the slide rod 15.

[0028] In this embodiment, when the outer wall of the pressing roller 18 squeezes the bark, the pressing roller 18 can be driven to rotate on the outer wall of the slide bar 15 due to the contact and friction between the pressing roller 18 and the bark, thereby squeezing the bark without hindering the transportation of the bark.

[0029] Specifically, buffer mechanisms are provided on both sides of the feed housing 3, each buffer mechanism is connected to one end corresponding to the slide bar 15, and the buffer mechanism includes a buffer spring 17. A mounting block 16 is fixedly connected to the bottom of one side of the feed housing 3, and the mounting block 16 is located directly below one end corresponding to the slide bar 15. One end of the buffer spring 17 is fixedly connected to the top of the mounting block 16, and the other end is fixedly connected to a placement plate 20. In this embodiment, the placement plate 20 is a semicircular shape with an opening facing upward.

[0030] Specifically, the top surface of the placement plate 20 is matched with the outer wall of the slide rod 15, and the corresponding end of the slide rod 15 enters into the placement plate 20. A plurality of feeding rollers 19 are rotatably embedded in the bottom end of the feed shell 3.

[0031] In this embodiment, the bark placed inside the feed housing 3 can be transported by a plurality of feed rollers 19 .

[0032] Working principle: First, due to the action force of the buffer spring 17, the placement plate 20 is convenient for supporting the slide bar 15, so that a gap is left between the outer wall of the pressure roller 18 on the slide bar 15 and the surface of several feeding rollers 19 to facilitate the passage of bark. The motor 2 is started, so that the output shaft end of the motor 2 drives the active sprocket 4 to rotate, and due to the action of the first chain 5, the first chain 5 drives the driven sprocket 6 to rotate, so that the driven sprocket 6 drives the connecting shaft 7 to rotate, and then the connecting shaft 7 drives the first transmission sprocket 8 to rotate, and due to the action of the second chain 11, the second chain 11 drives the second transmission sprocket 10 to rotate, so that the second gear drives the guide plate 12 to rotate.

[0033] Secondly, when the guide plate 12 contacts the outer wall of the slide bar 15, as the guide plate 12 rotates, the slide bar 15 will move upward along the guide plate 12. When the slide bar 15 separates from the guide plate 12, due to its own weight, the slide bar 15 falls to the bottom of the guide long hole 13. When the slide bar 15 moves to the lower part of the guide long hole 13, it will first enter the placement plate 20. Due to the action of the buffer spring 17, it is easy to buffer the impact force generated by the fall of the slide bar 15. Every time the guide plate 12 rotates one circle, the slide bar 15 reciprocates on the fixed rod 14, thereby intermittently driving the pressure roller 18 to squeeze and vibrate the bark on several feeding rollers 19, so that the bark is smoothly transported to the inside of the crushing machine body 1 for crushing, and the bark can also be transported intermittently to avoid the bark being transported too fast and clogging the crushing machine body 1.

[0034] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A bark crusher for papermaking, comprising a crusher body (1), a motor (2), a connecting shaft (7) and a feed housing (3), wherein the motor (2) is mounted on the rear side of the crusher body (1), the feed housing (3) is hinged to the top of the crusher body (1), and the connecting shaft (7) is rotatably connected between the crusher body (1) and the feed housing (3), characterized in that: It also includes a transmission mechanism, a squeezing mechanism and a buffer mechanism, wherein the transmission mechanism is arranged outside the feed shell (3), the squeezing mechanism is arranged inside the feed shell (3), the transmission mechanism is connected to the squeezing mechanism and drives the squeezing mechanism to perform reciprocating motion, the squeezing mechanism is used to squeeze the bark in the feed shell (3) and cause it to vibrate, and the buffer mechanism has two buffer mechanisms arranged on both sides of the feed shell (3), the two buffer mechanisms are respectively located directly below the two sides of the transmission mechanism, and respectively buffer the two sides of the transmission mechanism.

2. A bark crusher for papermaking according to claim 1, characterized in that: The output shaft end of the motor (2) is fixedly connected to a driving sprocket (4), one end of the connecting shaft (7) is fixedly connected to a driven sprocket (6), and the driving sprocket (4) and the driven sprocket (6) are connected via a first chain (5).

3. A bark crusher for papermaking according to claim 1, characterized in that: The transmission mechanism comprises a second chain (11), one end of the connecting shaft (7) is fixedly connected to a first transmission sprocket (8), one side of the feed housing (3) is fixedly connected to an L-shaped plate (9), the inner side of the L-shaped plate (9) is connected to a second transmission sprocket (10) via a rotating shaft, the second chain (11) is arranged between the first transmission sprocket (8) and the second transmission sprocket (10), and the inner side of the second transmission sprocket (10) is fixedly connected to a guide plate (12).

4. A bark crusher for papermaking according to claim 1, characterized in that: The extrusion mechanism comprises a pressure roller (18) and a slide rod (15). The feed shell (3) is provided with a guide long hole (13) on both sides. A fixed rod (14) is fixedly connected inside the guide long hole (13). The two ends of the slide rod (15) are respectively arranged in the two guide long holes (13), and the two ends of the slide rod (15) are respectively slidably connected to the fixed rod (14) on the corresponding side. The pressure roller (18) is rotatably sleeved on the outer wall of the slide rod (15).

5. A bark crusher for papermaking according to claim 1, characterized in that: The buffer mechanism comprises a buffer spring (17), a mounting block (16) is fixedly connected to the bottom of one side of the feed shell (3), the mounting block (16) is located directly below the corresponding end of the slide rod (15), one end of the buffer spring (17) is fixedly connected to the top of the mounting block (16), and the other end is fixedly connected to a placement plate (20), and the top surface of the placement plate (20) is adapted to the outer wall of the slide rod (15).

6. A bark crusher for papermaking according to claim 5, characterized in that: A plurality of feeding rollers (19) are rotatably embedded in the bottom end of the feed shell (3).

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