Spiral squeezing mechanism for preparing high-bulk chemi-mechanical pulp

Abstract

The utility model relates to the technical field of preparation of high-bulk chemi-mechanical pulp, and discloses a spiral squeezing mechanism for preparation of high-bulk chemi-mechanical pulp, which comprises supporting legs, a squeezing mechanism is arranged at the tops of the supporting legs, a limiting mechanism is arranged at the top of the squeezing mechanism, and the squeezing mechanism comprises a squeezing assembly and a filtering assembly. The squeezing assembly is arranged at the tops of the supporting legs, during use, through the arranged squeezing mechanism, pulp for paper making can be stored under the action of the squeezing box, meanwhile, the pulp entering the squeezing box can be squeezed under the action of a first threaded rod, a sliding rod, a moving plate and a squeezing plate, and therefore the paper making efficiency is improved. And when the slurry is discharged, the slurry can be temporarily stored under the action of the material storage box, and the slurry in the material storage box can be quantitatively discharged under the action of the first air cylinder and the baffle, so that the phenomenon that the squeezing effect of the slurry is influenced due to excessive one-time discharging is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of high-bulk mechanical pulp preparation, in particular to a screw pressing mechanism for high-bulk mechanical pulp preparation. Background Art

[0002] The bulk of paper is another indicator of the density of paper. It refers to the volume of a certain weight of paper on a tree branch, which is the inverse of the tightness. Paper with high bulk is softer than paper with low bulk. During the processing of paper, chemical pulp is required. Strengthening agent is added to the pulp and a screw press is used to extrude it to strengthen the paper sheets. However, the existing screw press is not easy to quantitatively feed the pulp during use. Feeding too much at one time will affect the squeezing effect of the pulp.

[0003] According to the description of a screw pressing mechanism for preparing high-bulk mechanical pulp published on the patent website (authorization publication number: CN114855490B), the screw pressing mechanism for preparing high-bulk mechanical pulp includes "pressing screw rod, movable plate, connecting rod" etc. to perform the pressing work.

[0004] In view of the above description, the applicant believes that the following problems exist:

[0005] The high-bulk mechanical pulp preparation screw pressing mechanism utilizes a pressing screw, a movable plate, a connecting rod, etc. to perform the pressing work. During the use of this mechanism, the pulp is put into the pressing box. Since the pulp cannot be quantitatively controlled during the input process, too much pulp is input at one time, which will affect the pressing effect of the pulp. Therefore, this mechanism needs to be improved. Utility Model Content

[0006] The purpose of the utility model is to provide a screw pressing mechanism for preparing high-bulk mechanical pulp, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: a screw pressing mechanism for preparing high-bulk mechanical pulp, comprising a support leg, a squeezing mechanism provided on the top of the support leg, and a limiting mechanism provided on the top of the squeezing mechanism;

[0008] The squeezing mechanism includes a pressing component and a filtering component, wherein the pressing component is arranged on the top of the supporting leg, and the filtering component is arranged on the bottom of the pressing component;

[0009] The cam is fixedly connected to the top of the support leg, the cam is fixedly connected to the top of the support leg, the cam is fixedly connected to the top of the support leg, the cam is fixedly connected to the top of the support leg, the cam is fixedly connected to the top of the support leg, the cam is fixedly connected to the top of the support leg, the cam is fixedly connected to the top of the support leg, the cam is fixedly connected to the top of the support leg, the cam is fixedly connected to the top of the support leg, the cam is fixedly connected to the top of the support leg, the cam is fixedly connected to the top of the support leg, the cam is fixedly connected to the top of the support leg, the cam is fixedly connected to the top of the support leg

[0010] Preferably, the first threaded rod is rotatably connected to the support frame and the inside of the press box, and a rotation groove is respectively provided inside the support frame and the press box, and the two rotation grooves correspond to each other. The first threaded rod is rotatably connected to the rotation groove, so that the movable plate can be driven to move under the action of the first threaded rod.

[0011] Preferably, a drainage port is provided inside the press box, and the drainage port is circular. The bottom of the first cleaning brush contacts the bottom of the press box, which facilitates cleaning of the bottom of the press box under the action of the first cleaning brush and improves the drainage effect.

[0012] Preferably, the filter assembly includes a filter box, the filter box is fixedly connected to the bottom of the pressing box, the bottom of the filter box is fixedly connected to a drain pipe, the filter box is rotatably connected to a second threaded rod, the outer periphery of the second threaded rod is fixedly connected to a second pulley, the second pulley is transmission-connected to the inner side of the transmission belt, the outer periphery of the second threaded rod is threadedly connected to a second cleaning brush, the second cleaning brush is slidably connected to the inside of the filter box, the filter box is slidably connected to a filter plate, a limit rod is inserted into the filter plate, the left side of the limit rod is fixedly connected to a pull ring, the outer periphery of the limit rod is sleeved with a spring, the left side of the spring is fixedly connected to the right side of the pull ring, and the right side of the spring is fixedly connected to the left side of the filter box.

[0013] Preferably, the limiting rod passes through the interior of the filter box, and slots are respectively provided inside the filter box and the filter plate, and the two slots correspond to each other. The limiting rod is inserted into the slot, and the top of the filter plate and the bottom of the second cleaning brush are in contact with each other, so that the filter plate can be limited under the action of the limiting rod.

[0014] Preferably, the limiting mechanism includes an L-shaped frame, the L-shaped frame is fixedly connected to the top of the press box, the top of the L-shaped frame is fixedly connected to a second cylinder, the bottom of the second cylinder is fixedly connected to a sealing plate, and the sealing plate is slidably connected to the inside of the press box.

[0015] Preferably, a slide groove is provided inside the pressing box, and the sealing plate is slidably connected to the slide groove, so that the sealing plate is kept in a stable state under the action of the slide groove.

[0016] Compared with the prior art, the present invention provides a screw pressing mechanism for preparing high-bulk mechanical pulp, which has the following beneficial effects:

[0017] 1. The high-bulk mechanical pulping screw pressing mechanism can store the pulp for paper making in the pressing box through the extrusion mechanism. At the same time, the pulp entering the pressing box can be squeezed under the action of the first threaded rod, the sliding rod, the movable plate and the pressing plate. When the pulp is discharged, the pulp can be temporarily stored in the storage box under the action of the first cylinder and the baffle. The pulp in the storage box can be quantitatively discharged under the action of the first cylinder and the baffle to avoid affecting the squeezing effect of the pulp due to excessive discharge at one time. The moisture generated by the squeezing of the pulp will enter the filter box through the drain port. When the pressing plate moves, it will drive the first cleaning brush to clean the bottom of the pressing box to avoid blockage of the drain outlet due to long-term use, improve the drainage effect, and the water entering the filter box can be discharged through the drain pipe under the filtering action of the filter plate. The filtered water can be recycled after treatment, reducing the demand for fresh water resources, realizing the conservation and recycling of water resources, and reducing pollution to the environment. When the first threaded rod rotates, it will drive the second threaded rod to rotate under the action of the first pulley, the transmission belt and the second pulley, so that the second cleaning brush can clean the filter plate, realizing the linkage effect.

[0018] 2. The spiral pressing mechanism for preparing high-bulk mechanical pulp can achieve a blocking and sealing effect on the left side of the pressing box through the setting of a limiting mechanism when the pressing box is performing the pressing work under the action of the sealing plate, thereby ensuring that the pressing box is in a sealed state. When the pressing is completed, the sealing plate can be driven to rise and fall under the action of the second cylinder, and the pressed material can be unloaded, which is convenient to operate and improves the efficiency of pressing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 Schematic diagram of the extrusion mechanism structure;

[0022] Figure 3 It is a schematic diagram of the pressing component;

[0023] Figure 4 Schematic diagram of the internal structure of the press box;

[0024] Figure 5 It is a schematic diagram of the cross-sectional structure of the storage box;

[0025] Figure 6 Schematic diagram of the filter assembly structure;

[0026] Figure 7 for Figure 6 A in the middle is an enlarged structural diagram;

[0027] Figure 8 It is a schematic diagram of the limiting mechanism structure.

[0028] In the figure: 1. Support leg; 2. Extrusion mechanism; 3. Limiting mechanism; 21. Pressing assembly; 22. Filtering assembly; 211. Pressing box; 212. Servo motor; 213. Support frame; 214. Load-bearing frame; 215. First cylinder; 216. Storage box; 217. First pulley; 218. Moving plate; 219. First threaded rod; 2191. Sliding rod; 2192. Pressing plate; 2193. First cleaning brush; 2194. Transmission belt; 2195. Baffle; 221. Filtering box; 222. Second pulley; 223. Second cleaning brush; 224. Second threaded rod; 225. Filtering plate; 226. Drain pipe; 227. Pull ring; 228. Limiting rod; 229. Spring; 31. L-shaped frame; 32. Second cylinder; 33. Sealing plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0031] The utility model provides the following technical solutions:

[0032] Example 1

[0033] See also Figure 1-8 The utility model provides a technical solution: a screw pressing mechanism for preparing high-bulk mechanical pulp, comprising a support leg 1, a squeezing mechanism 2 provided on the top of the support leg 1, a limiting mechanism 3 provided on the top of the squeezing mechanism 2, the squeezing mechanism 2 comprising a squeezing assembly 21 and a filtering assembly 22, the squeezing assembly 21 being provided on the top of the support leg 1, and the filtering assembly 22 being provided on the bottom of the squeezing assembly 21;

[0034] The pressing assembly 21 includes a pressing box 211, which is fixedly connected to the top of the supporting leg 1. The top of the pressing box 211 is fixedly connected to a storage box 216. A baffle 2195 is slidably connected to the inside of the storage box 216. The right side of the baffle 2195 is fixedly connected to a first cylinder 215. The bottom of the first cylinder 215 is fixedly connected to a load-bearing frame 214. The load-bearing frame 214 is fixedly connected to the top of the pressing box 211. The front side of the pressing box 211 is fixedly connected to a support frame 213. The right side of the support frame 213 is fixedly connected to a servo motor 212. The left side of the servo motor 212 is fixedly connected to the support frame 213. There is a first threaded rod 219, the left side of the first threaded rod 219 is rotatably connected to the inside of the pressing box 211, the outer periphery of the first threaded rod 219 is fixedly connected to the first pulley 217, the outer periphery of the first pulley 217 is transmission-connected to the transmission belt 2194, the outer periphery of the first threaded rod 219 is threadedly connected to the movable plate 218, the inner part of the movable plate 218 is slidingly connected to the slide rod 2191, the slide rod 2191 is fixedly connected to the inside of the pressing box 211, the left side of the movable plate 218 is fixedly connected to the pressing plate 2192, and the bottom of the pressing plate 2192 is fixedly connected to the first cleaning brush 2193.

[0035] The first threaded rod 219 is rotatably connected to the support frame 213 and the inside of the pressing box 211. The support frame 213 and the pressing box 211 are respectively provided with a rotation groove, and the two rotation grooves correspond to each other. The first threaded rod 219 is rotatably connected in the rotation groove, so that the movable plate 218 can be driven to move under the action of the first threaded rod 219. A drainage port is provided inside the pressing box 211, and the drainage port is circular. The bottom of the first cleaning brush 2193 contacts the bottom of the pressing box 211, so that the bottom of the pressing box 211 can be cleaned under the action of the first cleaning brush 2193, thereby improving the drainage effect.

[0036] See also Figure 1-8 The utility model provides a technical solution: the filter assembly 22 includes a filter box 221, the filter box 221 is fixedly connected to the bottom of the pressing box 211, the bottom of the filter box 221 is fixedly connected to a drain pipe 226, the inside of the filter box 221 is rotatably connected to a second threaded rod 224, the outer periphery of the second threaded rod 224 is fixedly connected to a second pulley 222, the second pulley 222 is transmission-connected to the inner side of the transmission belt 2194, the outer periphery of the second threaded rod 224 is threadedly connected to a second cleaning brush 223, the second cleaning brush 223 is slidably connected to the inside of the filter box 221, the inside of the filter box 221 is slidably connected to a filter plate 225, the filter plate A limiting rod 228 is inserted into the interior of 225, and a pull ring 227 is fixedly connected to the left side of the limiting rod 228. A spring 229 is sleeved on the periphery of the limiting rod 228, and the left side of the spring 229 is fixedly connected to the right side of the pull ring 227, and the right side of the spring 229 is fixedly connected to the left side of the filter box 221. The limiting rod 228 runs through the interior of the filter box 221, and slots are respectively provided inside the filter box 221 and the filter plate 225, and the two slots correspond to each other. The limiting rod 228 is inserted into the slot, and the top of the filter plate 225 is in contact with the bottom of the second cleaning brush 223, so that the filter plate 225 can be limited under the action of the limiting rod 228.

[0037] Example 2

[0038] See also Figure 1-8 On the basis of the first embodiment, the limiting mechanism 3 is further obtained to include an L-shaped frame 31, the L-shaped frame 31 is fixedly connected to the top of the pressing box 211, the top of the L-shaped frame 31 is fixedly connected to the second cylinder 32, the bottom of the second cylinder 32 is fixedly connected to the sealing plate 33, the sealing plate 33 is slidably connected to the inside of the pressing box 211, a slide groove is opened inside the pressing box 211, and the sealing plate 33 is slidably connected to the slide groove, so that the sealing plate 33 is in a stable state under the action of the slide groove.

[0039] In actual operation, when this device is used, when squeezing is required, the slurry is first put into the storage box 216, and the baffle 2195 is driven to move back and forth left and right under the action of the first cylinder 215, so that the slurry enters the squeezing box 211 for squeezing. The servo motor 212 drives the movable plate 218 connected to the outer thread of the first threaded rod 219 to move, and the movable plate 218 is driven to slide on the outer periphery of the slide rod 2191, so that the movable plate 218 drives the squeezing plate 2192 to move, and the slurry is squeezed under the action of the squeezing plate 2192, so that the water in the slurry enters the filter box 221 through the drain port, and the water entering the filter box 221 can be filtered under the action of the filter plate 225, and the filtered water is discharged through the drain pipe 226 for treatment and reuse. The second pulley 222 connected to the inner transmission of the transmission belt 2194 is driven by the first pulley 217 to rotate, so that the second pulley 222 drives the second threaded rod 224 to rotate, so that the second threaded rod 224 drives the second cleaning brush 223 to move, and the impurities attached to the filter plate 225 can be cleaned under the action of the second cleaning brush 223, thereby improving the filtering effect. When the filter plate 225 needs to be taken out for cleaning, it is only necessary to pull the pull ring 227 to the left, so that the pull ring 227 drives the limit rod 228 to move, and drives the spring 229 to deform, thereby releasing the limit of the filter plate 225, and the filter plate 225 is taken out for cleaning. When the slurry is squeezed, the sealing plate 33 can be driven up and down by the second cylinder 32, and the squeezed slurry is on the left side of the squeeze box 211, and the slurry can be pushed out under the action of the squeeze plate 2192 for subsequent processing.

[0040] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A screw press mechanism for preparing high bulk mechanical pulp, comprising a support leg (1), characterized in that: The top of the support leg (1) is provided with an extrusion mechanism (2), and the top of the extrusion mechanism (2) is provided with a limiting mechanism (3); The squeezing mechanism (2) comprises a pressing component (21) and a filtering component (22), wherein the pressing component (21) is arranged on the top of the supporting leg (1), and the filtering component (22) is arranged on the bottom of the pressing component (21); The squeezing assembly (21) comprises a squeezing box (211), the squeezing box (211) is fixedly connected to the top of the supporting leg (1), a material storage box (216) is fixedly connected to the top of the squeezing box (211), a baffle (2195) is slidably connected inside the material storage box (216), a first cylinder (215) is fixedly connected to the right side of the baffle (2195), a load-bearing frame (214) is fixedly connected to the bottom of the first cylinder (215), the load-bearing frame (214) is fixedly connected to the top of the squeezing box (211), a support frame (213) is fixedly connected to the front side of the squeezing box (211), a servo motor (212) is fixedly connected to the right side of the support frame (213), and a servo motor (212) is fixedly connected to the left side of the servo motor (212). A first threaded rod (219) is fixedly connected, and the left side of the first threaded rod (219) is rotatably connected to the inside of the pressing box (211). The periphery of the first threaded rod (219) is fixedly connected to a first pulley (217), and the periphery of the first pulley (217) is transmission-connected to a transmission belt (2194). The periphery of the first threaded rod (219) is threadedly connected to a movable plate (218), and the inside of the movable plate (218) is slidably connected to a slide rod (2191), and the slide rod (2191) is fixedly connected to the inside of the pressing box (211). The left side of the movable plate (218) is fixedly connected to a pressing plate (2192), and the bottom of the pressing plate (2192) is fixedly connected to a first cleaning brush (2193).

2. The screw press mechanism for preparing high bulk mechanical pulp according to claim 1, characterized in that: The first threaded rod (219) is rotatably connected to the support frame (213) and the inside of the pressing box (211); a rotation groove is respectively provided inside the support frame (213) and the inside of the pressing box (211), and the two rotation grooves correspond to each other, and the first threaded rod (219) is rotatably connected to the rotation groove.

3. The screw press mechanism for preparing high bulk mechanical pulp according to claim 1, characterized in that: A drainage outlet is provided inside the squeezing box (211), and the drainage outlet is circular. The bottom of the first cleaning brush (2193) is in contact with the bottom of the squeezing box (211).

4. The screw press mechanism for preparing high bulk mechanical pulp according to claim 1, characterized in that: The filter assembly (22) includes a filter box (221), the filter box (221) is fixedly connected to the bottom of the pressing box (211), the bottom of the filter box (221) is fixedly connected to a drain pipe (226), the filter box (221) is internally rotatably connected to a second threaded rod (224), the outer periphery of the second threaded rod (224) is fixedly connected to a second pulley (222), the second pulley (222) is transmission-connected to the inner side of the transmission belt (2194), and the outer periphery of the second threaded rod (224) is threadedly connected to a second cleaning brush (223), the second cleaning brush (223) is slidably connected to the inside of the filter box (221), the filter box (221) is slidably connected to the inside of a filter plate (225), a limiting rod (228) is inserted into the inside of the filter plate (225), the left side of the limiting rod (228) is fixedly connected to a pull ring (227), the outer periphery of the limiting rod (228) is sleeved with a spring (229), the left side of the spring (229) is fixedly connected to the right side of the pull ring (227), and the right side of the spring (229) is fixedly connected to the left side of the filter box (221).

5. The screw press mechanism for preparing high bulk mechanical pulp according to claim 4, characterized in that: The limiting rod (228) passes through the interior of the filter box (221), and slots are respectively provided in the interior of the filter box (221) and the filter plate (225), and the two slots correspond to each other. The limiting rod (228) is inserted into the slot, and the top of the filter plate (225) contacts the bottom of the second cleaning brush (223).

6. The screw press mechanism for preparing high bulk mechanical pulp according to claim 1, characterized in that: The limiting mechanism (3) comprises an L-shaped frame (31), the L-shaped frame (31) is fixedly connected to the top of the pressing box (211), the top of the L-shaped frame (31) is fixedly connected to a second cylinder (32), the bottom of the second cylinder (32) is fixedly connected to a sealing plate (33), and the sealing plate (33) is slidably connected to the inside of the pressing box (211).

7. The screw press mechanism for preparing high bulk mechanical pulp according to claim 6, characterized in that: A slide groove is provided inside the pressing box (211), and the sealing plate (33) is slidably connected in the slide groove.

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