CN221441173U - Uniform screening device for sizing agent for papermaking - Google Patents

Abstract

The utility model relates to the technical field of pulp screening devices, and discloses a uniform screening device for papermaking pulp. Utilize screening subassembly in advance to make the brush piece clear up screening section of thick bamboo, make the device clear up screening section of thick bamboo inside impurity at the in-process of start, need not stop device, thereby accelerate work efficiency, utilize fine screening subassembly to carry out secondary screening to the thick liquids, make the more careful even of thick liquids screening, the quality of product has been improved, make the rose box laminate the cam always at cam pivoted in-process, make the rose box shake always at the course of the work, thereby make the thick liquids at filter screen top move always, accelerate the speed of screening process, raise the efficiency.

Description

A pulp uniform screening device for papermaking

Technical Field

The utility model relates to the technical field of pulp screening devices, in particular to a pulp uniform screening device for papermaking.

Background technique

Pulp is a fibrous material made from plant fiber through different processing methods. The quality of pulp is mainly determined by its fiber morphology and fiber purity. In the process of pulp manufacturing, pulp needs to be screened, so we need a pulp uniform screening device for papermaking.

According to the description of a pulp screening device for papermaking disclosed on the patent website (authorization announcement number: CN 217810216U), "The utility model discloses a pulp screening device for papermaking, including a mounting frame and a scraper, the upper surface of the mounting frame is respectively fixedly connected with a first mounting cylinder and a second mounting cylinder, the opposite surfaces of the first mounting cylinder and the second mounting cylinder are rotatably connected with a filter cylinder, the surface of the filter cylinder is provided with a filter hole, the upper surface of the first mounting cylinder is provided with a driving device that can drive the filter cylinder to rotate, the inner wall of the first mounting cylinder is rotatably connected with a threaded column, the right end of the threaded column passes through the filter cylinder, and is rotatably connected with the inner wall of the second mounting cylinder. The pulp screening device for papermaking is provided with a scraper. When the filter cylinder is blocked, the handle is turned to drive the threaded column to rotate, and the threaded column and the scraper are spirally driven. The sliding rod is limited, so that the scraper can slide along the trajectory of the sliding rod, so that the scraper pushes the waste residue accumulated on the surface of the filter cylinder into the slag discharge port, and the inside of the filter cylinder can be cleaned in time."

In view of the above description, the applicant believes that there are the following problems:

During use of the utility model, the scraper is set to slide along the trajectory of the sliding rod, so that the scraper removes the waste residue accumulated on the surface of the filter cylinder. However, in actual use, the device needs to be stopped each time the waste residue is cleaned, and then the waste residue is cleaned, which reduces the work efficiency. In addition, the pulp is poured on the filter cylinder for simple filtration, and some impurities in the pulp cannot be filtered out. The impurities remain in the pulp, and the paper made from this pulp still has a large amount of impurities, which reduces the quality of the product. Therefore, it is necessary to improve a pulp uniform screening device for papermaking to solve the above problems.

Utility Model Content

The purpose of the utility model is to provide a papermaking pulp uniform screening device to solve the problems raised in the above background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a uniform screening device for pulp for papermaking, comprising a mounting platform, a screening mechanism is arranged on the top of the mounting platform, a shaking mechanism is arranged on the bottom of the mounting platform, and a collecting box is arranged on the bottom of the mounting platform;

The screening mechanism comprises a pre-screening component and a fine screening component, wherein the fine screening component is arranged at the bottom of the pre-screening component.

Preferably, the pre-screening component includes a mounting frame, which is fixedly mounted on the top of the mounting platform, a screening cylinder is rotatably mounted inside the mounting frame, a gear one is fixedly mounted outside the screening cylinder, a motor one is fixedly mounted on the top of the mounting platform, a rotating rod is fixedly mounted on the output end of the motor one, a gear two is fixedly mounted outside the rotating rod, a gear four is fixedly mounted outside the rotating rod, a brush block is rotatably mounted inside the mounting frame, a gear three is fixedly mounted on the right side of the brush block, a rack belt is installed for external transmission of the gear three, a mounting plate is fixedly mounted on the top of the mounting platform, a material conveying pipe is fixedly mounted inside the mounting plate, a nozzle is fixedly mounted on the bottom of the material conveying pipe, the pre-screening component is used to make the brush block clean the screening cylinder, so that the impurities inside the screening cylinder can be cleaned during the startup of the device without stopping the device, thereby speeding up the work efficiency.

Preferably, the gear 2 is meshed with the gear 1, the end of the rack belt away from the gear 3 is driven and installed with the gear 4, the motor 1, the rotating rod, the gear 2, the brush block, the gear 3, the rack belt and the gear 4 are arranged in two groups, which are symmetrically distributed on the center line of the right side of the mounting platform, so that the brush block cleans the screening cylinder.

Preferably, the fine screening component includes a filter box, which is slidably installed on the bottom of the mounting platform, a filter screen is slidably installed inside the filter box, a handle is fixedly installed on the front of the filter screen, a snap-on frame is fixedly installed on the front of the filter screen, a slide rail is fixedly installed on the front of the filter box, a spring is fixedly installed inside the slide rail, a snap-on block is slidably installed inside the slide rail, and a collecting frame is fixedly installed on the top of the mounting platform. The fine screening component is used to perform secondary screening on the slurry, so that the slurry screening is more delicate and uniform, thereby improving the quality of the product.

Preferably, one end of the spring away from the slide rail is fixedly mounted on the clamping block, and sockets are provided at corresponding positions of the clamping frame and the clamping block, and the clamping block is inserted into the socket to facilitate disassembly and cleaning of the filter.

Preferably, the shaking mechanism includes motor 2, which is fixedly mounted on the left side of the mounting platform, a connecting rod is fixedly mounted on the output end of motor 2, a bevel gear 1 is fixedly mounted on the end of the connecting rod away from motor 2, a bevel gear 2 is fixedly mounted on the bottom of the mounting platform, a cam is fixedly mounted on the bottom of the bevel gear 2, a spring 2 is fixedly mounted on the inner side of the mounting platform, and a telescopic rod is fixedly mounted on the inner side of the mounting platform, so that the filter box shakes all the time during operation, so that the slurry on the top of the filter screen is always moving, thereby speeding up the screening process and improving efficiency.

Preferably, one end of the spring 2 away from the mounting platform is fixedly mounted on the filter box, one end of the telescopic rod away from the mounting platform is fixedly mounted on the filter box, and the bevel gear 1 is meshed with the bevel gear 2, so that the filter box is always in contact with the cam during the rotation of the cam.

Compared with the prior art, the utility model provides a uniform screening device for pulp for papermaking, which has the following beneficial effects:

1. The papermaking pulp uniform screening device, through the screening mechanism, uses the pre-screening component to make the brush block clean the screening cylinder during use, so that the impurities inside the screening cylinder can be cleaned during the startup of the device without stopping the device, thereby speeding up the work efficiency, and using the fine screening component to perform secondary screening on the pulp, so that the pulp screening is more delicate and uniform, and the quality of the product is improved.

2. The papermaking pulp uniform screening device has a shaking mechanism, so that during use, the filter box is always in contact with the cam during the rotation of the cam, and the filter box is always shaking during the operation, so that the pulp on the top of the filter screen is always in motion, which speeds up the screening process and improves efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of 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 creative labor:

Figure 1 is a schematic diagram of the appearance structure of the utility model;

Figure 2 is a schematic diagram of the structure of the screening mechanism of the utility model;

FIG3 is a schematic diagram of the exploded structure of the pre-screening component of the utility model;

Figure 4 is a schematic diagram of the appearance structure of the fine screening component of the utility model;

FIG. 5 is a schematic diagram of the appearance structure of the shaking mechanism of the utility model.

In the figure: 1. mounting table; 2. screening mechanism; 21. pre-screening component; 211. mounting frame; 212. screening cylinder; 213. gear one; 214. motor one; 215. rotating rod; 216. gear two; 217. brush block; 218. gear three; 219. rack belt; 2110. mounting plate; 2111. feed pipe; 2112. nozzle; 2113. gear four; 22. fine screening component; 221. filter box; 222. filter screen; 223. snap-on frame; 224. handle; 225. slide rail; 226. spring one; 227. snap-on block; 228. collection frame; 3. shaking mechanism; 31. motor two; 32. connecting rod; 33. bevel gear one; 34. bevel gear two; 35. cam; 36. spring two; 37. telescopic rod; 4. collection box.

Detailed ways

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

In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Embodiment 1:

Please refer to Figures 1-4. The utility model provides a technical solution: a uniform screening device for papermaking pulp, comprising a mounting platform 1, a screening mechanism 2 is arranged on the top of the mounting platform 1, a shaking mechanism 3 is arranged at the bottom of the mounting platform 1, and a collecting box 4 is arranged at the bottom of the mounting platform 1;

The screening mechanism 2 includes a pre-screening component 21 and a fine screening component 22 . The fine screening component 22 is arranged at the bottom of the pre-screening component 21 .

Further, the pre-screening assembly 21 includes a mounting frame 211, which is fixedly mounted on the top of the mounting platform 1, a screening cylinder 212 is rotatably mounted inside the mounting frame 211, a gear 1 213 is fixedly mounted outside the screening cylinder 212, a motor 1 214 is fixedly mounted on the top of the mounting platform 1, a rotating rod 215 is fixedly mounted on the output end of the motor 1 214, a gear 216 is fixedly mounted outside the rotating rod 215, a gear 4 2113 is fixedly mounted outside the rotating rod 215, and a brush block 2 is rotatably mounted inside the mounting frame 211. 17. A gear 3 218 is fixedly installed on the right side of the brush block 217, and a rack belt 219 is installed on the external transmission of the gear 3 218. A mounting plate 2110 is fixedly installed on the top of the mounting platform 1, and a feed pipe 2111 is fixedly installed inside the mounting plate 2110. A nozzle 2112 is fixedly installed at the bottom of the feed pipe 2111. The pre-screening component 21 is used to make the brush block 217 clean the screening cylinder 212, so that the impurities inside the screening cylinder 212 can be cleaned during the startup of the device without stopping the device, thereby speeding up the work efficiency.

Furthermore, gear two 216 is meshed with gear one 213, and gear four 2113 is installed on one end of the rack belt 219 away from gear three 218. Motor one 214, rotating rod 215, gear two 216, brush block 217, gear three 218, rack belt 219 and gear four 2113 are arranged in two groups, which are symmetrically distributed on the right side center line of the mounting platform 1, so that the brush block 217 cleans the screening cylinder 212.

Furthermore, the fine screening component 22 includes a filter box 221, which is slidably installed at the bottom of the mounting platform 1, a filter screen 222 is slidably installed inside the filter box 221, a handle 224 is fixedly installed on the front of the filter screen 222, a snap-on frame 223 is fixedly installed on the front of the filter screen 222, a slide rail 225 is fixedly installed on the front of the filter box 221, a spring 226 is fixedly installed inside the slide rail 225, a snap-on block 227 is slidably installed inside the slide rail 225, and a collecting frame 228 is fixedly installed on the top of the mounting platform 1. The fine screening component 22 is used to perform secondary screening on the slurry, so that the slurry screening is more delicate and uniform, thereby improving the quality of the product.

Furthermore, one end of the spring 226 away from the slide rail 225 is fixedly installed with the clamping block 227, and the clamping frame 223 and the clamping block 227 are provided with plug holes at corresponding positions, and the clamping block 227 is plugged into the plug holes, so that the filter 222 can be disassembled and cleaned easily.

Embodiment two:

Please refer to Figure 5, and in combination with Example 1, it is further obtained that the shaking mechanism 3 includes a motor 2 31, the motor 2 31 is fixedly installed on the left side of the mounting platform 1, a connecting rod 32 is fixedly installed at the output end of the motor 2 31, a bevel gear 1 33 is fixedly installed at the end of the connecting rod 32 away from the motor 2 31, a bevel gear 2 34 is fixedly installed at the bottom of the mounting platform 1, a cam 35 is fixedly installed at the bottom of the bevel gear 2 34, a spring 2 36 is fixedly installed on the inner side of the mounting platform 1, and a telescopic rod 37 is fixedly installed on the inner side of the mounting platform 1, so that the filter box 221 is constantly shaking during operation, so that the slurry on the top of the filter screen 222 is constantly moving, speeding up the screening process and improving efficiency.

Furthermore, one end of spring 2 36 away from mounting platform 1 is fixedly mounted to filter box 221, one end of telescopic rod 37 away from mounting platform 1 is fixedly mounted to filter box 221, bevel gear 1 33 is meshed with bevel gear 2 34, so that filter box 221 is always in contact with cam 35 during the rotation of cam 35.

In actual operation, when the device is used, the slurry is introduced from the feed pipe 2111 and sprayed into the interior of the screening drum 212 by the nozzle 2112, and the motor 1 214 is started. The output end of the motor 1 214 drives the rotating rod 215 to rotate, and the rotating rod 215 rotates to drive the gear 2 216 to rotate, and the gear 2 216 rotates to drive the gear 1 213 to rotate, so that the screening drum 212 rotates, and the rotating rod 215 rotates to drive the gear 4 2113 to rotate, and the gear 4 2113 rotates through the rack belt 219 to drive the gear 3 218 to rotate, so that the brush block 217 cleans the screening drum 212, so that the device can clean the impurities inside the screening drum 212 during the startup process without stopping the device, thereby speeding up the working efficiency, and the slurry filtered by the screening drum 212 enters the interior of the filter box 221 through the collecting frame 228, and the motor 2 31 is started. The output end of the motor 2 31 drives the connecting rod 32 to rotate, and the connecting rod The rotation of bevel gear 32 drives bevel gear 1 33 to rotate, and the rotation of bevel gear 1 33 drives bevel gear 2 34 meshing therewith to rotate, and the rotation of bevel gear 2 34 drives cam 35 to rotate, thereby pushing filter box 221 to move. When pushing filter box 221, spring 2 36 contracts, so that filter box 221 is always in contact with cam 35 during the rotation of cam 35, so that filter box 221 is always shaking during the working process, so that the slurry on the top of filter screen 222 is always moving, speeding up the screening process and improving the efficiency. After the screening is completed, the clamping block 227 is pressed downward to disengage the clamping block 227 from the clamping frame 223, thereby pulling out the filter screen 222 and cleaning the filter screen 222. After the cleaning is completed, the filter box 221 is inserted, and the clamping block 227 is pressed downward. The clamping block 227 is inserted into the inside of the clamping frame 223 by the elastic force of spring 1 226 to prevent the filter screen 222 from falling off during the shaking process.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims (7)

1. The utility model provides a even sieving mechanism of thick liquids for papermaking, includes mount table (1), its characterized in that: the screening device is characterized in that a screening mechanism (2) is arranged at the top of the mounting table (1), a shaking mechanism (3) is arranged at the bottom of the mounting table (1), and a collecting box (4) is arranged at the bottom of the mounting table (1);

The screening mechanism (2) comprises a pre-screening assembly (21) and a fine screening assembly (22), and the fine screening assembly (22) is arranged at the bottom of the pre-screening assembly (21).

2. The uniform screening device for papermaking slurry according to claim 1, wherein: the pre-screening assembly (21) comprises a mounting frame (211), mounting frame (211) fixed mounting is at mount table (1) top, inside rotation of mounting frame (211) installs screening section of thick bamboo (212), screening section of thick bamboo (212) outside fixed mounting has first gear (213), mount table (1) top fixed mounting has first motor (214), first motor (214) output fixed mounting has dwang (215), dwang (215) outside fixed mounting has second gear (216), dwang (215) outside fixed mounting has fourth gear (2113), inside rotation of mounting frame (211) installs brush piece (217), brush piece (217) right side fixed mounting has third gear (218), third gear (218) outside transmission installs tooth area (219), mount table (1) top fixed mounting has mounting panel (2110), inside fixed mounting has conveying pipeline (2111), conveying pipeline (2111) bottom fixed mounting has shower nozzle (2112).

3. The uniform screening device for papermaking slurry according to claim 2, wherein: the second gear (216) is meshed with the first gear (213), one end, far away from the third gear (218), of the rack belt (219) is provided with a fourth gear (2113) in a transmission mode, and the first motor (214), the rotating rod (215), the second gear (216), the brush block (217), the third gear (218), the rack belt (219) and the fourth gear (2113) are provided with two groups and are symmetrically distributed at the center line of the right side of the mounting table (1) respectively.

4. The uniform screening device for papermaking slurry according to claim 2, wherein: the fine screening assembly (22) comprises a filter box (221), the filter box (221) is slidably mounted at the bottom of the mounting table (1), a filter screen (222) is slidably mounted inside the filter box (221), a handle (224) is fixedly mounted on the front surface of the filter screen (222), a clamping frame (223) is fixedly mounted on the front surface of the filter screen (222), a sliding rail (225) is fixedly mounted on the front surface of the filter box (221), a first spring (226) is fixedly mounted inside the sliding rail (225), a clamping block (227) is slidably mounted inside the sliding rail (225), and a collecting frame (228) is fixedly mounted on the top of the mounting table (1).

5. The uniform screening device for papermaking slurry according to claim 4, wherein: one end of the first spring (226) far away from the sliding rail (225) is fixedly installed with the clamping block (227), a jack is formed in the position, corresponding to the clamping block (227), of the clamping frame (223), and the clamping block (227) is inserted into the jack.

6. The uniform screening device for papermaking slurry according to claim 4, wherein: the shake mechanism (3) comprises a motor II (31), the motor II (31) is fixedly arranged on the left side of the mounting table (1), a connecting rod (32) is fixedly arranged at the output end of the motor II (31), a conical gear I (33) is fixedly arranged at one end of the connecting rod (32) away from the motor II (31), a conical gear II (34) is fixedly arranged at the bottom of the mounting table (1), a cam (35) is fixedly arranged at the bottom of the conical gear II (34), a spring II (36) is fixedly arranged on the inner side of the mounting table (1), and a telescopic rod (37) is fixedly arranged on the inner side of the mounting table (1).

7. The uniform screening device for papermaking slurry according to claim 6, wherein: one end of the second spring (36) far away from the mounting table (1) is fixedly mounted with the filter box (221), one end of the telescopic rod (37) far away from the mounting table (1) is fixedly mounted with the filter box (221), and the first conical gear (33) is meshed with the second conical gear (34).