FRP (Fiber Reinforce Plastic) scraper assembly for paper machine

Abstract

The utility model provides a fiber reinforced plastic (FRP) scraper assembly for a paper machine, which particularly relates to the field of paper machines and comprises an FRP scraper and a fixing plate. Blades are arranged at the two ends of the FRP scraping plate, and the lower side of the FRP scraping plate is movably connected with the fixing plate. And a limiting device is arranged at the end part of the FRP scraping plate on the fixing plate. The limiting device comprises a limiting groove and a connecting plate. The connecting plate is connected with the end of the limiting groove and the side of the fixing plate. The cutting edge of the FRP scraper blade is embedded into the limiting groove, and the cutting edge of the FRP scraper blade and the limiting groove are matched with each other. According to the utility model, the replacement cost can be reduced, and the fixation is firm.

Description

TECHNICAL FIELD

[0001] The utility model belongs to paper machine field, concretely relates to a FRP scraper assembly for paper machine. BACKGROUND

[0002] FRP scraper is the common structure of paper machine, is usually arranged at the net part, press part and other positions of paper machine, plays the cleaning and other effects of roller through setting FRP scraper at the predetermined position, FRP is applied on FRP scraper as a kind of composite material, has the advantages of light weight, high strength and corrosion resistance.

[0003] The existing FRP scraper is inevitable to wear and tear, so the FRP scraper needs to be replaced as needed, but the existing FRP scraper is usually single-head blade, and the replacement cost is high when the standby FRP scraper is replaced directly.

[0004] Patent No. CN206219890U discloses a paper machine scraper device, which comprises a scraper blade, a scraper clamp, a mounting seat and a mounting shaft. The scraper blade and the scraper clamp are arranged on the mounting seat, and the mounting shaft is arranged on one side of the mounting seat. The scraper blade is provided with a flat key groove type mounting hole. The scraper blade and the scraper clamp are detachably connected through the flat key groove type mounting hole by a bolt. A dust removal device is arranged above the contact position of the scraper blade and the drying cylinder, and the dust removal device is connected with a dust collector. The device designs a flat key groove type mounting hole on the scraper blade. When starting to use, the bolt is installed in the semicircular part of the flat key groove type close to the outer end of the scraper blade. After the scraper blade is worn, the position of the bolt installation can be moved backward according to the actual needs, so that the scraper blade can be repeatedly used, the cost is reduced, and the maintenance is facilitated. The dust removal device is arranged directly above the contact position of the scraper and the drying cylinder, so that the dust and other impurities can be discharged in time, and the normal work is not affected. However, this type is still single-head blade, and the replacement cost is high.

[0005] In view of the above problems, a FRP scraper assembly for paper machine is needed, which can reduce the replacement cost and is firmly fixed. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a FRP scraper assembly for paper machine, which can reduce the replacement cost and is firmly fixed.

[0007] The utility model provides the following technical scheme:

[0008] A FRP scraper assembly for paper machine, comprising a FRP scraper and a fixing plate. The FRP scraper is provided with a blade at both ends. The lower side of the FRP scraper is movably connected with the fixing plate, and a limiting device is arranged on the fixing plate at the end of the FRP scraper.

[0009] Preferably, the lower side of the FRP scraper is provided with a positioning block, and the fixing plate is provided with a positioning groove matched with the positioning block, and the positioning groove and the positioning block are connected through threads.

[0010] Preferably, the positioning groove is located at the end of the two sides of the fixing plate, and the positioning groove is an upper and side opening structure,

[0011] The bolt penetrates the bottom of the positioning groove and is connected with the positioning block through threads.

[0012] Preferably, a buffer gasket is arranged between the positioning block and the bottom of the positioning groove.

[0013] Preferably, the positioning block and the FRP scraper are connected through welding or threads.

[0014] Preferably, the buffer gasket is made of polytetrafluoroethylene.

[0015] Preferably, the limiting device comprises a limiting groove and a connecting plate, the connecting plate is connected with the end of the limiting groove and the side of the fixing plate respectively, the blade of the FRP scraper is embedded in the limiting groove, and the blade of the FRP scraper and the limiting groove are matched with each other.

[0016] Preferably, the limiting device is provided with 1-3.

[0017] The beneficial effects of the utility model are as follows:

[0018] The device is provided with a blade at both ends of the FRP scraper, so that the replacement position can be changed only when the replacement is needed, the replacement cost can be greatly reduced, the number of spare parts can be reduced, and the production cost can be reduced.

[0019] The device can greatly improve the connection reliability through the matching connection between the positioning groove and the positioning block. DRAWINGS

[0020] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model. In the drawings:

[0021] Fig. 1 It is a whole structure schematic view of the device;

[0022] Fig. 2 It is a bottom view of the device;

[0023] Fig. 3 It is an exploded structure schematic view of the device;

[0024] In the drawings, 1 is a fixing plate, 2 is an FRP scraper, 3 is a positioning block, 4 is a positioning groove, 5 is a buffer gasket, 6 is a bolt, 7 is a limiting device, 8 is a limiting groove, and 9 is a connecting plate. DETAILED DESCRIPTION

[0025] Embodiment

[0026] As Figs. 1 to 3 A kind of FRP blade assembly for paper machine, including FRP blade 2 and fixed plate 1;Two ends of FRP blade 2 are provided with blade, the type of blade can be selected according to actual demand;The lower side of FRP blade 2 is movably connected with fixed plate 1 to facilitate disassembly and assembly, and limit device 7 is arranged on the end of fixed plate 1 located at FRP blade 2 to improve the stability of the connection between FRP blade 2 and fixed plate 1.

[0027] In order to realize movable connection to facilitate disassembly and assembly, the lower side of FRP blade 2 is provided with positioning block 3, which is connected with FRP blade 2 by welding or screw thread, as long as it can be connected firmly;Fixed plate 1 is provided with positioning groove 4 matched with positioning block 3, it should be noted that positioning groove 4 is located at the end of both sides of fixed plate 1, and positioning groove 4 is an upper and side opening structure, the structure of positioning groove 4 is specifically referred to in the accompanying drawings Fig. 3 The connection between positioning groove 4 and positioning block 3 can be observed through the side part;Positioning groove 4 and positioning block 3 are connected by bolt 6, and the firmness of the connection is improved by the limiting action between positioning groove 4 and positioning block 3;

[0028] In order to ensure the strength of FRP blade 2, bolt 6 penetrates the bottom of positioning groove 4 and is connected with positioning block 3 by screw thread;Positioning groove 4 and fixed plate 1 can adopt stamping or welding structure;Buffer gasket 5 is arranged between positioning block 3 and the bottom of positioning groove 4 to further improve the firmness and stability of the connection. The buffer gasket 5 is made of corrosion-resistant polytetrafluoroethylene material. Embodiment

[0029] As Figs. 1 to 3 A kind of FRP blade assembly for paper machine, including FRP blade 2 and fixed plate 1;Two ends of FRP blade 2 are provided with blade, the type of blade can be selected according to actual demand;The lower side of FRP blade 2 is movably connected with fixed plate 1 to facilitate disassembly and assembly, and limit device 7 is arranged on the end of fixed plate 1 located at FRP blade 2 to improve the stability of the connection between FRP blade 2 and fixed plate 1. In order to realize movable connection to facilitate disassembly and assembly, the lower side of FRP blade 2 is provided with positioning block 3, which is connected with FRP blade 2 by welding or screw thread, as long as it can be connected firmly;Fixed plate 1 is provided with positioning groove 4 matched with positioning block 3, it should be noted that positioning groove 4 is located at the end of both sides of fixed plate 1, and positioning groove 4 is an upper and side opening structure, the structure of positioning groove 4 is specifically referred to in the accompanying drawings Fig. 3, through the side part, the connecting condition between the positioning groove 4 and the positioning block 3 is facilitated to be observed; through the bolt 6 connecting the positioning groove 4 and the positioning block 3, and through the limiting action between the positioning groove 4 and the positioning block 3, the connection reliability is improved; in order to ensure the strength of the FRP scraper 2, the bolt 6 penetrates the bottom of the positioning groove 4 and is threadedly connected with the positioning block 3; the stamping or welding structure can be adopted between the positioning groove 4 and the fixed plate 1; through the buffer gasket 5 arranged between the bottom of the positioning block 3 and the positioning groove 4, the reliable stability of the connection is further improved. The buffer gasket 5 is made of the corrosion-resistant polytetrafluoroethylene material.

[0030] As Fig. 2 and Fig. 3 The limiting device 7 comprises a limiting groove 8 and a connecting plate 9, and the connecting plate 9 is connected with the end of the limiting groove 4 and the side part of the fixed plate 1 respectively; specifically, the connecting plate 9 and the limiting groove 4 are integrally formed, and the connecting plate 9 is connected with the fixed plate 1 through welding or screwing.

[0031] The blade of the FRP scraper 2 is embedded in the limiting groove 8, and the blade of the FRP scraper 2 and the limiting groove 8 are matched with each other, thereby improving the connection reliability. The limiting device 7 is provided with 1-3. If the limiting device 7 is provided with a single one, the limiting groove 8 of the limiting device 7 can be selected as a long strip type, that is, the limiting groove 8 can embed the blade of the FRP scraper 2, thereby playing the sheath protection and limiting action; if the limiting device 7 is provided with two or three, the limiting devices 7 are equidistantly arranged on the fixed plate 1.

[0032] The above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An FRP scraper assembly for a papermaking machine, characterized in that: Includes FRP scraper and fixing plate; The FRP scraper has blades at both ends, and the lower side of the FRP scraper is movably connected to the fixed plate. Furthermore, a limiting device is provided on the fixed plate at the end of the FRP scraper.

2. The FRP scraper assembly for a papermaking machine according to claim 1, characterized in that: The FRP scraper has a positioning block on its lower side, and the fixing plate has a positioning groove that matches the positioning block. The positioning groove and the positioning block are connected by threads.

3. The FRP scraper assembly for a papermaking machine according to claim 2, characterized in that: The positioning grooves are located at the ends of both sides of the fixed plate, and the positioning grooves have an opening structure at the top and sides. The bolts pass through the bottom of the positioning grooves and are threadedly connected to the positioning blocks.

4. The FRP scraper assembly for a papermaking machine according to claim 3, characterized in that: A buffer pad is provided between the positioning block and the bottom of the positioning groove.

5. The FRP scraper assembly for a papermaking machine according to claim 4, characterized in that: The positioning block is connected to the FRP scraper by welding or threading.

6. The FRP scraper assembly for a papermaking machine according to claim 5, characterized in that: The buffer pad is made of polytetrafluoroethylene.

7. The FRP scraper assembly for a papermaking machine according to claim 6, characterized in that: The limiting device includes a limiting groove and a connecting plate. The connecting plate is connected to the end of the limiting groove and the side of the fixing plate, respectively. The blade of the FRP scraper is embedded in the limiting groove, and the blade of the FRP scraper and the limiting groove fit together.

8. The FRP scraper assembly for a papermaking machine according to claim 7, characterized in that: One to three limit devices are provided.

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