Paper pulp crushing device
By using a stirring rod and air pump system in the pulp crushing device to float and cut up deposited paper scraps, combined with a limiting component and a discharge component, the problem of paper scrap deposition during pulp crushing is solved, achieving more efficient crushing results and convenient cleaning.
Patent Information
- Application Number
- CN202520728870.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-17
AI Technical Summary
In existing technologies, paper scraps tend to accumulate during the pulp crushing process, resulting in poor crushing performance.
The system employs a stirring rod and air pump system inside the feed cylinder. Air is drawn in by the air pump and discharged into the feed cylinder through the air delivery pipe, which floats up and cuts the deposited paper scraps. At the same time, limiting components and discharge components are set to prevent pulp and water from entering the air delivery pipe, ensuring air circulation and pulp discharge.
It effectively prevents paper scraps from accumulating, improves pulp pulverization, and ensures the normal operation and easy cleaning of the device.
Smart Images

Figure CN223951497U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to paper pulp preparation technical field more specifically, it relates to a paper pulp crushing device. BACKGROUND
[0002] Paper pulp, as one of the main raw materials for making paper, when paper pulp is prepared, a crushing device is usually used to perform secondary crushing on paper scraps in the paper pulp, so that the paper pulp is more delicate and the quality of the paper pulp is improved.
[0003] The utility model discloses a high -speed paper pulp crusher discloses a high -speed paper pulp crusher, its technical scheme includes the box, the top of the box is fixed and has the guide cylinder, the outer wall of the box is fixedly connected with the supporting plate, the outer wall of supporting plate is fixedly connected with the motor, the outer wall of motor is fixedly covered with first spur gear, the outer wall of first spur gear is connected with second spur gear, the outer wall of second spur gear is fixedly connected with the rotation axis, and the output shaft of motor is fixedly connected with the cross axle in one end of rotation axis.
[0004] The above technical scheme pours the paper pulp into the guide cylinder when crushing the paper pulp, and cuts the paper pulp through the arc-shaped blade and the first cutter in the guide cylinder to achieve the effect of crushing the paper pulp. However, when the paper pulp is crushed by the above technical scheme, the paper pulp contains a lot of paper scraps, so the paper scraps in the paper pulp will inevitably deposit. The arc-shaped blade and the first cutter in the above technical scheme cannot crush the paper scraps deposited at the bottom of the guide cylinder, which affects the crushing effect of the paper pulp.
[0005] Therefore, a new scheme is needed to solve this problem. UTILITY MODEL CONTENTS
[0006] In view of the deficiencies in the prior art, the utility model aims to provide a paper pulp crushing device, which solves the problem that paper scraps in the paper pulp will inevitably deposit when the paper pulp is crushed, making it difficult to crush the paper scraps and affecting the crushing effect of the paper pulp.
[0007] The technical purpose is achieved by the following technical scheme: a paper pulp crushing device, comprising a guide cylinder and a stirring rod rotationally connected in the guide cylinder, a baffle is fixedly connected in the guide cylinder, the stirring rod penetrates through the baffle and is rotationally connected with the baffle, a fixed ring with a cavity is fixedly connected at the bottom of the baffle, a plurality of gas conveying pipes are fixedly connected with the sidewall of the fixed ring and are in mutual communication, a plurality of through holes are formed in the gas conveying pipes and penetrate through the baffle into the guide cylinder, a gas pump is fixedly connected outside the guide cylinder, a connecting pipe is fixedly connected to the output end of the gas pump, the connecting pipe penetrates through the guide cylinder and is in mutual communication with the fixed ring, the baffle is provided with a limiting assembly for preventing paper scraps in the paper pulp from entering the gas conveying pipes and a discharging assembly for discharging the paper pulp outward.
[0008] When the paper scraps in the paper pulp are deposited, the gas pump is started, air outside is sucked into the connecting pipe by the gas pump, the air is conveyed into the fixed ring by the connecting pipe, the air is conveyed into the gas conveying pipes by the fixed ring, the limiting of the through holes is cancelled by the limiting assembly, the air can be discharged into the guide cylinder through the through holes, at this time, the paper scraps deposited at the bottom of the guide cylinder are affected by the air and float upward and are cut by the stirring rod, so that the deposition of the paper scraps in the paper pulp is prevented, the crushing effect of the paper pulp is improved, and the paper pulp can be discharged outward from the guide cylinder by the discharging assembly after the paper pulp is crushed.
[0009] The limiting assembly comprises a fixed pipe fixedly connected to the through hole, a filter screen is fixedly connected to the top of the fixed pipe, a limiting ring is fixedly connected in the fixed pipe, a ball is slidingly connected in the fixed pipe, the ball and the filter screen are connected by a spring, when the spring is in a natural state, the ball and the limiting ring abut against each other.
[0010] When the air enters the gas conveying pipe, the air pressure in the gas conveying pipe increases, at this time, the ball moves upward along the fixed pipe under the influence of the air pressure and separates from the limiting ring, at the same time, the spring is deformed and compressed, at this time, the air in the gas conveying pipe is not limited and can be discharged into the guide cylinder through the space between the ball and the limiting ring, so that the air is discharged into the guide cylinder, when the air in the gas conveying pipe is discharged into the guide cylinder, the air pressure in the gas conveying pipe decreases, at the same time, the spring is not limited and starts to deform and recover, and drives the ball and the limiting ring to abut against each other, at this time, the paper pulp in the guide cylinder is limited by the ball and cannot enter the gas conveying pipe, so that the effect of limiting the paper pulp from entering the gas conveying pipe is achieved, at the same time, the filter screen can prevent the paper scraps in the paper pulp from entering the fixed pipe and avoid the fixed pipe from being blocked.
[0011] The utility model further sets up: the filter screen bottom fixedly connected with the limiting rod, the ball is equipped with the sliding slot of limiting rod sliding on, the spring is equipped with on the limiting rod.
[0012] Through adopting the setting of the limiting rod, the direction of the ball movement can be limited, the ball is conveniently driven back to the original position and abuts against the fixed ring, and the sealing effect between the ball and the fixed ring can be further improved.
[0013] The utility model further sets up: the discharge assembly includes the discharge port of setting on the baffle, the discharge port bottom fixedly connected with the valve body, the output fixedly connected with the discharge pipe of valve body, the discharge pipe is through the material guiding barrel to the outside and is connected with the material guiding barrel.
[0014] Through adopting the setting of the discharge assembly, when the paper pulp in the material guiding barrel needs to be discharged outward, the valve body is opened, the paper pulp in the material guiding barrel enters the discharge pipe through the discharge port at this time, and the paper pulp is transported to the outside through the discharge pipe, so that the effect of discharging the paper pulp outward is realized.
[0015] The utility model further sets up: the fixed ring bottom fixedly connected with the water pipe that is mutually conducted with itself, the water pipe far from the fixed ring one end is through the material guiding barrel to the outside and is connected with the material guiding barrel, the water pipe one end of being located at the outside is detachably connected with the cover.
[0016] Through adopting the setting of the water pipe, when the ball and the fixed ring are separated from each other, part of water in the paper pulp enters the gas conveying pipe through the spacing between the ball and the fixed ring paper pulp, water in the gas conveying pipe flows to the fixed ring at this time, and the water can be collected through the water pipe at the bottom of the fixed ring, when the water in the water pipe needs to be discharged outward, the cover and the water pipe are separated from each other at this time, the water in the water pipe loses the limitation and can be discharged to the outside, so that the effect of cleaning the water in the gas conveying pipe is realized, and when air is conveyed into the fixed pipe, the problem that air in the fixed pipe leaks outward through the water pipe is avoided through the setting of the cover, and normal use is avoided.
[0017] The utility model further sets up: the fixed ring inner top fixedly connected with the fixed block with chamber, the fixed block side wall is equipped with a plurality of gas outlet, the connecting pipe is through the fixed block to the chamber.
[0018] Through adopting the setting of the fixed block, when the water in the gas conveying pipe enters the fixed ring fixedly, the water can be prevented from entering the connecting pipe through the setting of the fixed block, and the air pump is further avoided from being damaged.
[0019] The utility model further sets up: the filter screen is conical setting.
[0020] By adopting the arrangement of the filter screen, when the paper scraps in the paper pulp deposit on the filter screen, the filter screen can be prevented from being blocked, and the air conveying to the guide cylinder can be avoided.
[0021] In summary, the paper pulp has the following beneficial effects: when the paper scraps in the paper pulp deposit, the air pump is started, the air outside is sucked into each air conveying pipe through the air pump, and the limitation of the through hole is cancelled through the limiting assembly, so that the air can be discharged to the guide cylinder through the through hole, at this time, the paper scraps deposited at the bottom of the guide cylinder will be affected by the air and float upward, and be cut by the stirring rod, so as to prevent the paper scraps in the paper pulp from depositing, and improve the crushing effect of the paper pulp. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is an external structure schematic view of the utility model;
[0023] Figure 2 It is a sectional view of the utility model;
[0024] Figure 3 It is Figure 2 the enlarged view of A of the utility model;
[0025] Figure 4 It is Figure 2 the enlarged view of B of the utility model.
[0026] In the drawing: 1, guide cylinder; 2, stirring rod; 3, baffle; 4, fixed ring; 5, air conveying pipe; 6, through hole; 7, air pump; 8, connecting pipe; 9, fixed pipe; 10, filter screen; 11, limiting ring; 12, ball; 13, spring; 14, limiting rod; 15, sliding slot; 16, discharge port; 17, valve body; 18, discharge pipe; 19, water conveying pipe; 20, cover body; 21, fixed block; 22, air outlet. DETAILED DESCRIPTION
[0027] In order to make the skilled in the art better understand the technical scheme of the utility model, the utility model is described in detail below in combination with the drawings and specific embodiments, and it should be explained that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0028] In the description of the utility model, it should be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawing, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.
[0029] In the description of the utility model, it is to explain, unless another explicit provision and limitation, the term "installation", "set with", "sleeve / joint", "connection" and so on, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication。For ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.
[0030] A kind of paper pulp crushing device, as shown in Figures 1-4 It includes guide cylinder 1 and stirring rod 2 rotationally connected in guide cylinder 1, guide cylinder 1 is fixedly connected with baffle 3, stirring rod 2 penetrates baffle 3 and is rotationally connected with baffle 3, the bottom of baffle 3 is fixedly connected with fixed ring 4 with cavity inside, the side wall of fixed ring 4 is fixedly connected with several gas pipes 5 that are mutually conductive with itself, several through holes 6 are opened in gas pipe 5, which penetrate baffle 3 to guide cylinder 1, air pump 7 is fixedly connected with connecting pipe 8 on the output end of air pump 7, connecting pipe 8 penetrates guide cylinder 1 and is mutually conductive with fixed ring 4, baffle 3 is equipped with limiting assembly for preventing paper scraps in paper pulp from entering gas pipe 5 and discharging assembly for discharging paper pulp outward, when paper pulp is crushed, paper scraps are poured into guide cylinder 1, then stirring rod 2 is driven to rotate, paper pulp can be crushed by stirring rod 2, when paper scraps in paper pulp deposit, air pump 7 is started, air outside is sucked into connecting pipe 8 by air pump 7, and air is delivered to fixed ring 4 by connecting pipe 8, air is delivered to each gas pipe 5 by fixed ring 4, and the limitation of through hole 6 is cancelled by limiting assembly, so that air can be discharged to guide cylinder 1 by through hole 6, at this time, paper scraps deposited at the bottom of guide cylinder 1 will be affected by air and float upwards, and be cut by stirring rod 2, so as to prevent paper scraps in paper pulp from depositing, improve the crushing effect of paper pulp, after paper pulp is crushed, paper pulp can be discharged from guide cylinder 1 outward by discharging assembly.
[0031] As Figure 2 , Figure 3As shown, the limiting assembly comprises a fixed tube 9 fixedly connected at the through hole 6, a filter screen 10 fixedly connected at the top of the fixed tube 9, a limiting ring 11 fixedly connected in the fixed tube 9, a ball 12 slidingly connected in the fixed tube 9, and the ball 12 and the filter screen 10 are connected through a spring 13. When the spring 13 is in a natural state, the ball 12 and the limiting ring 11 abut against each other. When air enters the air conveying pipe 5, the air pressure in the air conveying pipe 5 increases. At this time, the ball 12 is affected by the air pressure and moves upward along the fixed tube 9, and the ball 12 and the fixed ring 4 are separated from each other. At the same time, the spring 13 is affected and deformed and compressed. At this time, the air in the air conveying pipe 5 loses the limitation and can be discharged to the guide cylinder 1 through the gap between the ball 12 and the fixed ring 4, so as to realize the effect of discharging the air to the guide cylinder 1. After the air in the air conveying pipe 5 is discharged to the guide cylinder 1, the air pressure in the air conveying pipe 5 decreases, and the spring 13 loses the limitation and starts to deform and recover, and drives the ball 12 and the fixed ring 4 to abut against each other. At this time, the paper pulp in the guide cylinder 1 is limited by the ball 12 and cannot enter the air conveying pipe 5, so as to realize the effect of limiting the paper pulp from entering the air conveying pipe 5. At the same time, through the setting of the filter screen 10, the paper scraps in the paper pulp can be prevented from entering the fixed tube 9, so as to avoid the blockage of the fixed tube 9. The bottom of the filter screen 10 is fixedly connected with a limiting rod 14, a sliding groove 15 for the limiting rod 14 to slide is formed in the ball 12, and the spring 13 is sleeved on the limiting rod 14, so as to limit the moving direction of the ball 12, facilitate the ball 12 to return to the original position and abut against the fixed ring 4, and further improve the sealing effect between the ball 12 and the fixed ring 4.
[0032] As shown in the drawings, Figures 1-3 The discharge assembly comprises a discharge port 16 formed in the baffle 3, a valve body 17 fixedly connected at the bottom of the discharge port 16, a discharge pipe 18 fixedly connected at the output end of the valve body 17, and the discharge pipe 18 penetrates the guide cylinder 1 to the outside and is fixedly connected with the guide cylinder 1. When it is needed to discharge the paper pulp in the guide cylinder 1 to the outside, the valve body 17 is opened. At this time, the paper pulp in the guide cylinder 1 enters the discharge pipe 18 through the discharge port 16, and the paper pulp is conveyed to the outside through the discharge pipe 18, so as to realize the effect of discharging the paper pulp to the outside.
[0033] As shown in the drawings, Figure 2 , Figure 4As shown, the bottom of the fixed ring 4 is fixedly connected with a water delivery pipe 19 which is in communication with the fixed ring 4, one end of the water delivery pipe 19 penetrates the guide cylinder 1 to the outside and is fixedly connected with the guide cylinder 1, and the end of the water delivery pipe 19 located outside is detachably connected with a cover 20, when the balls 12 and the fixed ring 4 are separated from each other, the water in the paper pulp can enter the air delivery pipe 5 through the space between the balls 12 and the fixed ring 4, at this time, the water in the air delivery pipe 5 can flow into the fixed ring 4, and the water can be collected through the water delivery pipe 19 at the bottom of the fixed ring 4, when it is needed to discharge the water in the water delivery pipe 19 to the outside, the cover 20 and the water delivery pipe 19 are separated from each other, at this time, the water in the water delivery pipe 19 is not limited and can be discharged to the outside, so that the water in the air delivery pipe 5 can be cleaned, and when the air is delivered into the fixed pipe 9, the air leakage of the fixed pipe 9 to the outside through the water delivery pipe 19 can be avoided, so that the normal use is not affected, the top of the fixed ring 4 is fixedly connected with a fixed block 21 which has a cavity, a plurality of air outlet holes 22 are formed in the side wall of the fixed block 21, and the connecting pipe 8 penetrates the fixed block 21 to the cavity, when the water in the air delivery pipe 5 enters the fixed ring 4, the water can be prevented from entering the connecting pipe 8 through the arrangement of the fixed block 21, so that the air pump 7 is prevented from being damaged.
[0034] As shown in the drawings, Figure 3 The filter screen 10 is conical, and when the paper scraps in the paper pulp are deposited on the filter screen 10, the pores on the filter screen 10 can be prevented from being blocked, and the air delivered into the guide cylinder 1 by the filter screen 10 can be avoided.
[0035] The working principle of the utility model is as follows: when the paper pulp is crushed, the paper scraps are poured into the guide cylinder 1, and then the stirring rod 2 is driven to rotate, so that the paper pulp can be crushed, when the paper scraps in the paper pulp are deposited, the air pump 7 is started, the air outside is sucked into the connecting pipe 8 through the air pump 7, and the air is delivered into the fixed ring 4 through the connecting pipe 8, and then the air is delivered into each air delivery pipe 5 through the fixed ring 4, at this time, the pressure of the air in the air delivery pipe 5 is increased, the balls 12 are affected by the air pressure and move upward along the fixed pipe 9, and the balls 12 and the fixed ring 4 are separated from each other, and the spring 13 is affected and deformed and compressed, at this time, the air in the air delivery pipe 5 is not limited and can be discharged into the guide cylinder 1 through the space between the balls 12 and the fixed ring 4, at this time, the paper scraps deposited at the bottom of the guide cylinder 1 are affected by the air and float upward and are cut by the stirring rod 2, so that the deposition of the paper scraps in the paper pulp is prevented, and the crushing effect of the paper pulp is improved.
[0036] When it is needed to discharge the paper pulp in the guide cylinder 1 to the outside, the valve body 17 is opened, at this time, the paper pulp in the guide cylinder 1 enters the discharge pipe 18 through the discharge port 16, and the paper pulp is delivered to the outside through the discharge pipe 18, so that the effect of discharging the paper pulp to the outside is achieved.
[0037] The above merely describes preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and refinements without departing from the principles of the present application shall also be considered as falling within the protection scope of the present application.
Claims
1. A pulp disintegrating device comprising a feed cylinder (1) and a stirring bar (2) which is rotatably connected in the feed cylinder (1), characterized in that: The material guiding barrel (1) is fixedly connected with a baffle (3), the stirring rod (2) penetrates through the baffle (3) and is rotationally connected with the baffle (3), the bottom of the baffle (3) is fixedly connected with a fixed ring (4) with a cavity, the side wall of the fixed ring (4) is fixedly connected with a plurality of gas conveying pipes (5) in communication with each other, a plurality of through holes (6) are formed in the gas conveying pipes (5) and penetrate through the baffle (3) into the material guiding barrel (1), a gas pump (7) is fixedly connected outside the material guiding barrel (1), the output end of the gas pump (7) is fixedly connected with a connecting pipe (8), the connecting pipe (8) penetrates through the material guiding barrel (1) and is in communication with the fixed ring (4), the baffle (3) is provided with a limiting assembly for preventing paper scraps in the paper pulp from entering the gas conveying pipes (5) and a discharging assembly for discharging the paper pulp outward.
2. A pulp disintegrating device according to claim 1, characterized in that The limiting assembly comprises a fixed pipe (9) fixedly connected at the through hole (6), the top of the fixed pipe (9) is fixedly connected with a filter screen (10), the fixed pipe (9) is fixedly connected with a limiting ring (11) inside, the fixed pipe (9) is slidingly connected with a ball (12) inside, the ball (12) and the filter screen (10) are connected through a spring (13), when the spring (13) is in a natural state, the ball (12) and the limiting ring (11) abut against each other.
3. A pulp disintegrating device according to claim 2, characterized in that The bottom of the filter screen (10) is fixedly connected with a limiting rod (14), the ball (12) is provided with a sliding groove (15) for sliding of the limiting rod (14), and the spring (13) is sleeved on the limiting rod (14).
4. A pulp pulverizing device according to claim 1, characterized in that: The discharging assembly comprises a discharging port (16) formed in the baffle (3), the bottom of the discharging port (16) is fixedly connected with a valve body (17), the output end of the valve body (17) is fixedly connected with a discharging pipe (18), and the discharging pipe (18) penetrates through the material guiding barrel (1) to the outside and is fixedly connected with the material guiding barrel (1).
5. A pulp pulverizing device according to claim 1, characterized in that: The bottom of the fixed ring (4) is fixedly connected with a water conveying pipe (19) in communication with the fixed ring (4), one end of the water conveying pipe (19) away from the fixed ring (4) penetrates through the material guiding barrel (1) to the outside and is fixedly connected with the material guiding barrel (1), and the end of the water conveying pipe (19) located at the outside is detachably connected with a cover body (20).
6. A pulp pulverizing device according to claim 1, characterized in that: The top of the fixed ring (4) is fixedly connected with a fixed block (21) with a cavity inside, a plurality of air outlet holes (22) are formed in the side wall of the fixed block (21), and the connecting pipe (8) penetrates through the fixed block (21) into the cavity.
7. A pulp disintegrating device according to claim 2, characterized in that The filter screen (10) is conically arranged.
Citation Information
Patent Citations
High-speed paper pulp pulverizer
CN216919827U