Papermaking drying cylinder roller scraper protection assembly adaptive to papermaking process

Abstract

The utility model discloses a papermaking drying cylinder roller scraper protection assembly adaptive to a papermaking process, which belongs to the technical field of papermaking equipment, and is characterized by comprising a base, two sides of the top of the base are fixedly connected with racks, and the tops of the two racks are rotatably connected with a drying cylinder body through bearing seats; a scraper body is arranged on the front side of the bottom of the drying cylinder body, a protection adjusting assembly is arranged at the bottom of the scraper body, and an installation fixing assembly used in cooperation with the scraper body is arranged at the top of the protection adjusting assembly. The problems that after long-time use, a drying cylinder is in a high-speed rotating state, fixed contact force is prone to damaging a scraper, so that the production cost is increased, the downtime is prolonged, an existing scraper mounting and fixing mode is troublesome, the scraper is inconvenient to disassemble, maintain or replace in the later period, and inconvenience is brought to a user are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to papermaking equipment technical field especially relates to a kind of papermaking drying cylinder scraper protection assembly suitable for papermaking process. BACKGROUND

[0002] In the papermaking production process, papermaking drying cylinder is one of important equipment, its function is to dry paper by high temperature, in order to guarantee the cleanness of drying cylinder surface, avoid paper to appear stick cylinder etc. during drying process, usually set scraper beside drying cylinder, for scraping the impurity and paper hair remaining on drying cylinder surface.

[0003] And existing scraper is usually directly contacted with drying cylinder surface, contact force is usually fixed, after long time use, drying cylinder is in high-speed rotating state, fixed contact force is easy to cause damage to scraper, thereby increase production cost and downtime, and existing installation fixed mode of scraper is more troublesome, thereby inconvenient to disassemble maintenance or replacement of scraper later, bring inconvenience to user.

[0004] Therefore, a kind of papermaking drying cylinder scraper protection assembly suitable for papermaking process is provided. UTILITY MODEL CONTENT

[0005] The utility model is to provide a kind of papermaking drying cylinder scraper protection assembly suitable for papermaking process, can solve the problem that existing scraper is usually directly contacted with drying cylinder surface, contact force is usually fixed, after long time use, drying cylinder is in high-speed rotating state, fixed contact force is easy to cause damage to scraper, thereby increase production cost and downtime, and existing installation fixed mode of scraper is more troublesome, thereby inconvenient to disassemble maintenance or replacement of scraper later, bring inconvenience to user.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of papermaking drying cylinder scraper protection assembly suitable for papermaking process, including base, the both sides of base top are all fixedly connected with rack, the top of two racks is rotatably connected with drying cylinder body by bearing block, the front side of the drying cylinder body bottom is provided with scraper body, the bottom of the scraper body is provided with protection adjusting assembly, the top of the protection adjusting assembly is provided with the installation fixed assembly for cooperation with scraper body;

[0007] The protection adjusting assembly includes two lifting cylinders, the bottom of two lifting cylinders is fixedly connected with the both sides of base top front side respectively, the output rod of two lifting cylinders is fixedly connected with support plate, the top of support plate is provided with fixed plate, the support plate and fixed plate are fixedly connected with spring between, the inner chamber of spring is provided with limit rod, the top of limit rod is fixedly connected with the bottom of fixed plate, the bottom of limit rod penetrates to the bottom of support plate.

[0008] Preferably, the mounting and fixing assembly comprises a U-shaped block, the bottom of the U-shaped block is fixedly connected with the top of the fixing plate, and the two sides of the front side of the U-shaped block are fixedly connected with clamping air cylinders.

[0009] Preferably, the rear side of the fixing plate is fixedly connected with a rubber pad, and the side close to the scraper body is in close contact with the scraper body.

[0010] Preferably, the two sides of the front side of the U-shaped block are provided with through holes matched with the clamping air cylinders, and the output rods of the clamping air cylinders are in sliding connection with the inner walls of the through holes.

[0011] Preferably, the number of the springs and the limiting rods is several, and the springs and the limiting rods are uniformly distributed between the supporting plate and the fixing plate.

[0012] Preferably, the top of the supporting plate is provided with sliding holes matched with the limiting rods, and the surface of the limiting rod is in sliding connection with the inner wall of the sliding hole.

[0013] Preferably, the bottom of the drying cylinder body is provided with a guide plate, and the side close to the rack is fixedly connected with the rack.

[0014] Preferably, the top of the base is provided with a collecting box, the two sides of the bottom of the collecting box are fixedly connected with limiting sliding strips, the two sides of the top of the base are provided with limiting sliding grooves matched with the limiting sliding strips, and the side close to the inner wall of the limiting sliding groove is in sliding connection with the inner wall of the limiting sliding groove.

[0015] Compared with the prior art, the papermaking drying cylinder scraper protection assembly has the following beneficial effects:

[0016] 1. The contact force of the scraper body and the drying cylinder body can be adjusted through the setting of the protection and adjustment assembly, and the scraper body and the drying cylinder body can be in self-adaptive contact during work, so that damage caused by excessive contact force of the scraper body and the drying cylinder body can be prevented, and the service life of the scraper body is improved.

[0017] 2. The scraper body can be mounted and fixed through the setting of the mounting and fixing assembly, and the fixed mode is relatively simple and convenient, so that the scraper body can be conveniently disassembled, maintained or replaced in the later period, and convenience is brought to the user. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an overall structural diagram of the papermaking drying cylinder scraper protection assembly adapted to the papermaking process of the utility model.

[0019] Figure 2 It is an overall structural diagram of the papermaking drying cylinder scraper protection assembly adapted to the papermaking process of the utility model.Figure 1 The right-view structural diagram;

[0020] Figure 3 This is an exploded structural diagram of the protective adjustment component in this utility model;

[0021] Figure 4 This is an exploded structural diagram of the mounting and fixing components and the scraper body in this utility model;

[0022] Figure 5 This is a disassembled structural diagram of the collection box, the limiting slide bar, and the limiting slide groove in this utility model.

[0023] In the diagram, 1. Base; 2. Frame; 3. Drying cylinder body; 4. Scraper body; 5. Protective adjustment assembly; 501. Lifting cylinder; 502. Support plate; 503. Fixing plate; 504. Spring; 505. Limiting rod; 6. Installation and fixing assembly; 601. U-shaped block; 602. Clamping cylinder; 603. Fixing clamping plate; 604. Rubber pad; 605. Through hole; 7. Sliding hole; 8. Guide plate; 9. Collection box; 10. Limiting slide bar; 11. Limiting slide groove. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-5 The present invention provides the following technical solution:

[0026] A paper drying cylinder drum scraper protection assembly adapted to papermaking process includes a base 1, with frames 2 fixedly connected to both sides of the top of the base 1, and a drying cylinder body 3 rotatably connected to the top of the two frames 2 through bearing seats. A scraper body 4 is provided on the front side of the bottom of the drying cylinder body 3, and a protection adjustment assembly 5 is provided on the bottom of the scraper body 4. An installation and fixing assembly 6 that cooperates with the scraper body 4 is provided on the top of the protection adjustment assembly 5.

[0027] The protection adjusting assembly 5 comprises two lifting cylinders 501, the bottoms of the two lifting cylinders 501 are fixedly connected with the two sides of the top front side of the base 1 respectively, the output rods of the two lifting cylinders 501 are fixedly connected with a supporting plate 502, the top of the supporting plate 502 is provided with a fixed plate 503, the supporting plate 502 and the fixed plate 503 are fixedly connected with a spring 504, the inner cavity of the spring 504 is provided with a limiting rod 505, the top of the limiting rod 505 is fixedly connected with the bottom of the fixed plate 503, and the bottom of the limiting rod 505 penetrates through the bottom of the supporting plate 502.

[0028] In the embodiment: by arranging the base 1, the rack 2, the dryer body 3, the scraper body 4, the protection adjusting assembly 5 and the mounting and fixing assembly 6, when in use, the dryer body 3 can be supported through the base 1 and the rack 2, the contact force of the scraper body 4 and the dryer body 3 can be adjusted through the arrangement of the protection adjusting assembly 5, and the scraper body 4 and the dryer body 3 can be in adaptive contact during work, so that damage caused by excessive contact force of the scraper body 4 and the dryer body 3 can be prevented, the service life of the scraper body 4 is improved, the scraper body 4 can be mounted and fixed through the arrangement of the mounting and fixing assembly 6, and the mounting and fixing mode is relatively simple and convenient, so that the scraper body 4 can be conveniently disassembled, maintained or replaced in the later period, and convenience is brought to the user.

[0029] Specifically, as shown in Figure 1 , Figure 2 , Figure 4 the mounting and fixing assembly 6 comprises a U-shaped block 601, the bottom of the U-shaped block 601 is fixedly connected with the top of the fixed plate 503, the two sides of the front side of the U-shaped block 601 are fixedly connected with clamping cylinders 602, and the output rods of the two clamping cylinders 602 penetrate into the inner cavities of the U-shaped block 601 and are fixedly connected with fixed clamping plates 603.

[0030] Specifically, as shown in Figure 1 , Figure 2 , Figure 4 the rear side of the fixed clamping plate 603 is fixedly connected with a rubber pad 604, and the side close to the scraper body 4 of the rubber pad 604 is in close contact with the scraper body 4.

[0031] Specifically, as shown in Figure 4 the two sides of the front side of the U-shaped block 601 are both provided with through holes 605 used in cooperation with the clamping cylinders 602, and the output rods of the clamping cylinders 602 are in sliding connection with the inner walls of the through holes 605.

[0032] In the embodiment, the U-shaped block 601, the clamping air cylinder 602, the fixed clamping plate 603, the rubber pad 604 and the through hole 605 are arranged, when the scraper body 4 is installed, the scraper body 4 is placed in the U-shaped block 601, then the clamping air cylinder 602 is started, the output rod of the clamping air cylinder 602 drives the fixed clamping plate 603 to move, the fixed clamping plate 603 can be clamped and fixed with the U-shaped block 601 to the scraper body 4, so that the installation and fixing of the scraper body 4 are completed, the installation mode is simple and convenient, so that the scraper body 4 is convenient to disassemble, maintain or replace in the later period, convenience is brought to the user, the clamping effect of the fixed clamping plate 603 on the scraper body 4 is improved through the arrangement of the rubber pad 604, and the output rod of the clamping air cylinder 602 can be telescopic output in the inner cavity of the U-shaped block 601 through the arrangement of the through hole 605.

[0033] Specifically, as shown in Figure 1 , Figure 2 , Figure 4 , the number of the spring 504 and the limiting rod 505 is several, and they are uniformly distributed between the supporting plate 502 and the fixed plate 503.

[0034] Specifically, as shown in Figure 4 , the top of the supporting plate 502 is provided with a sliding hole 7 matched with the limiting rod 505, and the surface of the limiting rod 505 is in sliding connection with the inner wall of the sliding hole 7.

[0035] In the embodiment, the plurality of springs 504 and limiting rods 505 are arranged, the elastic supporting force on the fixed plate 503 is improved, and the limiting rod 505 can slide up and down in the inner cavity of the supporting plate 502 through the arrangement of the sliding hole 7.

[0036] Specifically, as shown in Figure 2 , the bottom of the drying cylinder body 3 is provided with a flow guide plate 8, and the side of the flow guide plate 8 close to the rack 2 is fixedly connected with the rack 2.

[0037] Specifically, as shown in Figure 2 , Figure 5 , the top of the base 1 is provided with a collection box 9, the two sides of the bottom of the collection box 9 are fixedly connected with limiting sliding strips 10, the two sides of the top of the base 1 are provided with limiting sliding grooves 11 matched with the limiting sliding strips 10, and the side of the limiting sliding strip 10 close to the inner wall of the limiting sliding groove 11 is in sliding connection with the inner wall of the limiting sliding groove 11.

[0038] In the embodiment, the flow guide plate 8 is arranged to guide the impurities and paper hairs scraped by the scraper body 4, the collection box 9 is arranged to collect the impurities and paper hairs, and the limiting sliding strips 10 and the limiting sliding grooves 11 are arranged to limit the position of the collection box 9.

[0039] Working principle: in use, by placing the scraper body 4 in the U-shaped block 601, then start two clamping cylinder 602, the output rod of two clamping cylinder 602 drive fixed clamping plate 603 movement, fixed clamping plate 603 can be matched with U-shaped block 601 to the scraper body 4 are clamped and fixed, so as to complete the installation and fixation of the scraper body 4, the installation mode is relatively simple and convenient, so as to facilitate the later maintenance or replacement of the scraper body 4, brings convenience for the user, then can start two lifting cylinder 501, the output rod of two lifting cylinder 501 drive support plate 502 upward movement, support plate 502 will drive the fixed plate 503 upward movement through the spring 504, the fixed plate 503 will drive the scraper body 4 upward movement through the U-shaped block 601, so that the scraper body 4 is in contact with the cylinder body 3, so that the contact force of the scraper body 4 and the cylinder body 3 can be adjusted, when the cylinder body 3 is used for drying wet paper, the cylinder body 3 will rotate clockwise at high speed, at this time, the scraper body 4 can scrape off the impurities and paper hair remaining on the surface of the cylinder, at this time, the spring 504 is contracted by the elastic force, so that the scraper body 4 can be self-adaptingly contacted with the surface of the cylinder body 3, so that the damage caused by the excessive contact force of the scraper body 4 and the cylinder body 3 can be prevented, the service life of the scraper body 4 is improved, then the impurities and paper hair scraped off can fall into the collecting box 9 under the guidance of the deflector 8 for collection.

[0040] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A doctor protection assembly for a papermaking machine dryer cylinder adapted to a papermaking process, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with two racks (2), the top of the two racks (2) is rotatably connected with a drying cylinder body (3) through a bearing seat, the front side of the bottom of the drying cylinder body (3) is provided with a scraper body (4), the bottom of the scraper body (4) is provided with a protection adjusting assembly (5), and the top of the protection adjusting assembly (5) is provided with a mounting and fixing assembly (6) used in cooperation with the scraper body (4). The protection adjusting assembly (5) comprises two lifting cylinders (501), the bottoms of the two lifting cylinders (501) are fixedly connected with the two sides of the top front side of the base (1) respectively, the output rods of the two lifting cylinders (501) are fixedly connected with a supporting plate (502), the top of the supporting plate (502) is provided with a fixed plate (503), the supporting plate (502) and the fixed plate (503) are fixedly connected with springs (504) therebetween, the inner cavities of the springs (504) are provided with limiting rods (505), the top of each limiting rod (505) is fixedly connected with the bottom of the fixed plate (503), and the bottom of each limiting rod (505) penetrates to the bottom of the supporting plate (502).

2. A doctor protection assembly for a papermaking dryer cylinder of a papermaking machine adapted to a papermaking process according to claim 1, characterized in that: The mounting and fixing assembly (6) comprises a U-shaped block (601), the bottom of the U-shaped block (601) is fixedly connected with the top of the fixed plate (503), the front sides of the two sides of the U-shaped block (601) are fixedly connected with clamping cylinders (602), and the output rods of the two clamping cylinders (602) penetrate to the inner cavities of the U-shaped block (601) and are fixedly connected with fixed clamping plates (603).

3. A paper machine cylinder doctor blade guard assembly adapted to a papermaking process according to claim 2, characterized in that: The rear side of the fixed clamping plate (603) is fixedly connected with a rubber pad (604), and the side, close to the scraper body (4), of the rubber pad (604) is in close contact with the scraper body (4).

4. A paper machine cylinder doctor blade guard assembly adapted to a papermaking process according to claim 2, characterized in that: The front sides of the two sides of the U-shaped block (601) are provided with through holes (605) used in cooperation with the clamping cylinders (602), and the output rods of the clamping cylinders (602) are in sliding connection with the inner walls of the through holes (605).

5. A paper machine cylinder doctor blade guard assembly adapted to a papermaking process according to claim 1 characterized in that: The number of the springs (504) and the limiting rods (505) is several, and they are evenly distributed between the supporting plate (502) and the fixed plate (503).

6. A paper machine cylinder doctor blade guard assembly adapted to a papermaking process according to claim 1 characterized by: The top of the supporting plate (502) is provided with sliding holes (7) used in cooperation with the limiting rods (505), and the surfaces of the limiting rods (505) are in sliding connection with the inner walls of the sliding holes (7).

7. A paper machine cylinder doctor blade guard assembly adapted to a papermaking process according to claim 1 characterized by: The bottom of the drying cylinder body (3) is provided with a guide vane (8), and the side, close to the rack (2), of the guide vane (8) is fixedly connected with the rack (2).

8. A paper machine cylinder doctor blade guard assembly adapted to a papermaking process according to claim 1 characterized by: The top of the base (1) is provided with a collecting box (9), the bottoms of the two sides of the collecting box (9) are fixedly connected with limiting sliding strips (10), the two sides of the top of the base (1) are provided with limiting sliding grooves (11) used in cooperation with the limiting sliding strips (10), and the side, close to the inner wall of the limiting sliding groove (11), of the limiting sliding strip (10) is in sliding connection with the inner wall of the limiting sliding groove (11).

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