Sieve plate for filtering slurry in fiber cement board production

Abstract

A sieve plate for filtering slurry in fiber cement board production comprises a sieve plate body, a feeding baffle, a discharging hopper and a sieve pore cleaning device, the sieve plate body comprises fixed side plates and a sieve pore plate, the sieve pore plate and the horizontal plane are inclined by 5-15 degrees, the left side of the sieve pore plate is low, the right side of the sieve pore plate is high, and the two fixed side plates are arranged on the left side and the right side of the sieve pore plate respectively. The two fixed side plates are horizontally arranged, a plurality of sieve holes in a rectangular array are formed in the sieve hole plate, the feeding baffles are fixedly arranged on the front side, the rear side and the right side of the top of the sieve plate body, the discharging hopper is fixedly arranged at the bottom of the sieve plate body, the discharging hopper comprises a straight hopper section on the upper portion and an inclined hopper section on the lower portion, and the inclined hopper section inclines inwards; the sieve pore cleaning device comprises a plurality of liftable cleaning rods corresponding to the sieve pores, and the cleaning rods are arranged below the sieve pore plate. According to the sieve plate for filtering the slurry in the fiber cement board production, the sieve holes can be cleaned in the using process, and the filtering efficiency of the sieve plate is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of building material production, in particular to a sieve plate for filtering slurry in the production of fiber cement boards. Background Art

[0002] Fiber cement board, also known as fiber reinforced cement board, is a cement flat board for construction produced with fiber and cement as the main raw materials. It is composed of cement, fiber, fine sand and other additives, and is made through pulping, molding, curing and other processes.

[0003] In the production process of fiber cement board, slurry filtration is an important step to ensure the quality and performance of fiber cement board. The purpose of filtration is mainly to remove impurities and particles in the slurry, ensure the uniform distribution of fibers in the cement matrix, and the homogeneity of the product.

[0004] After long-term use, the impurities and particles in the slurry in the existing sieve plate for filtering slurry are likely to block the sieve holes in the sieve plate, thereby affecting the filtering efficiency of the sieve plate. Therefore, a sieve plate for filtering slurry in the production of fiber cement board with the sieve holes capable of being cleaned is proposed. Utility Model Content

[0005] In order to solve the above problems, the utility model provides a sieve plate for filtering slurry in the production of fiber cement boards. The sieve plate for filtering slurry in the production of fiber cement boards can clean the sieve holes during use, effectively ensuring the filtering efficiency of the sieve plate.

[0006] The technical solution of the utility model is as follows:

[0007] A sieve plate for filtering slurry in the production of fiber cement boards, comprising a sieve plate body, a feed baffle, a discharge hopper and a sieve hole cleaning device, the sieve plate body comprising a fixed side plate and a sieve hole plate, the sieve hole plate being inclined at an angle of 5-15° to the horizontal plane, the left side of the sieve hole plate being lower than the right side, two fixed side plates being respectively arranged on the left and right sides of the sieve hole plate, the two fixed side plates being arranged horizontally, a plurality of sieve holes in a rectangular array being arranged on the sieve hole plate, the feed baffle being fixedly arranged on the front side, the rear side and the right side of the top of the sieve plate body, the discharge hopper being fixedly arranged on the bottom of the sieve plate body, the discharge hopper comprising an upper straight hopper section and a lower inclined hopper section, the inclined hopper section being inclined inwardly; the sieve hole cleaning device comprising a plurality of liftable cleaning rods corresponding to the sieve holes, the cleaning rods being arranged below the sieve hole plate.

[0008] The feed baffle is tilted outward.

[0009] The sieve hole cleaning device also includes a cleaning frame and a lifting drive device. The cleaning frame includes a frame body and a cross bar. The frame body is a frame structure formed by welding round tubes on all sides. A plurality of rows of cross bars corresponding to the sieve holes are fixedly arranged between the left and right sides of the frame body, and a plurality of columns of cleaning rods corresponding to the sieve holes are fixedly arranged on the top of the cross bars. The lifting drive device is used to drive the cleaning frame to lift and lower linearly. The cleaning frame is arranged in the straight bucket section.

[0010] The upper part of the cleaning rod is arranged in a truncated cone structure.

[0011] The lifting drive device comprises a telescopic element, the fixed part of which is fixedly arranged outside the oblique bucket section, and the telescopic part of the telescopic element is slidably passed through the oblique bucket section in an airtight manner and is fixedly connected to the cleaning frame.

[0012] The telescopic element is a pneumatic cylinder, a hydraulic cylinder or an electric telescopic cylinder.

[0013] Supports are fixedly arranged on the left and right outer sides of the oblique bucket section respectively, and the fixed part of the telescopic element is fixedly arranged on the supports.

[0014] Reinforcing ribs are arranged between the support and the oblique bucket section.

[0015] Patch blocks are fixedly arranged on the left and right outer sides of the oblique bucket section respectively, and concentric through guide holes are arranged on the patch blocks and the oblique bucket section, and the telescopic part of the telescopic element can slidably pass through the guide holes in an airtight manner.

[0016] A sealing groove is arranged on the guide hole, and a sealing ring is installed in the sealing groove.

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

[0018] The utility model discloses a sieve plate for filtering slurry in the production of a fiber cement board. The sieve plate for filtering slurry in the production of a fiber cement board can clean the sieve holes during use, thereby effectively ensuring the filtering efficiency of the sieve plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] By reading the detailed description of the preferred embodiment below, the scheme and advantages of the present application will become clear to those skilled in the art. The accompanying drawings are only used to illustrate the preferred embodiment and are not considered to be limiting of the present invention.

[0020] In the attached picture:

[0021] Figure 1 This is a schematic structural diagram of a sieve plate for filtering slurry in the production of a fiber cement board according to an embodiment of the utility model in use;

[0022] Figure 2 This is a schematic structural diagram of a sieve plate body of a sieve plate for filtering slurry in the production of a fiber cement board according to an embodiment of the utility model;

[0023] Figure 3 This is a schematic structural diagram of a discharge hopper of a screen plate for filtering slurry in the production of a fiber cement board according to an embodiment of the utility model;

[0024] Figure 4 It is a top view structural schematic diagram of a cleaning frame of a screen plate for filtering slurry in the production of a fiber cement board according to an embodiment of the utility model;

[0025] The components represented by the reference numerals in the figure are:

[0026] The utility model: 1, sieve plate body, 1a, fixed side plate, 1b, sieve plate, 1b1, sieve hole, 2, feed baffle, 3, discharge hopper, 3a, straight hopper section, 3b, inclined hopper section, 3c, support, 3d, reinforcing ribs, 3e, patch block, 3f, guide hole, 3f1, sealing groove, 4, cleaning frame, 4a, frame body, 4b, cross bar, 4c, cleaning rod, 5, telescopic element, 6, sealing ring. DETAILED DESCRIPTION

[0027] like Figure 1 As shown, the screen plate for filtering slurry in the production of fiber cement board includes a screen plate body 1, a feed baffle 2, a discharge hopper 3 and a screen hole cleaning device.

[0028] like Figure 2 As shown, the sieve plate body 1 includes a fixed side plate 1a and a sieve hole plate 1b, the sieve hole plate 1b is inclined at an angle of 5-15° to the horizontal plane, the left side of the sieve hole plate 1b is lower than the right side, the two fixed side plates 1a are respectively arranged on the left and right sides of the sieve hole plate 1b, the two fixed side plates 1a are arranged horizontally, and a plurality of rectangular array sieve holes 1b1 are arranged on the sieve hole plate 1b.

[0029] The feed baffle 2 is fixedly arranged on the front, rear and right sides of the top of the screen plate body 1, and the discharge hopper 3 is fixedly arranged on the bottom of the screen plate body 1, and the discharge hopper 3 includes an upper straight hopper section 3a and a lower inclined hopper section 3b, and the inclined hopper section 3b is inclined inward; the sieve hole cleaning device includes a plurality of liftable cleaning rods 4c corresponding to the sieve holes 1b1, and the cleaning rods 4c are arranged below the sieve hole plate 1b.

[0030] like Figure 1The structure diagram of the sieve plate for filtering slurry in the production of fiber cement board shown in the use state, when in use, the fixed side plate 1a is fixedly installed on a fixed object by bolt connection or the like, the sieve plate body 1 is fixedly erected, the slurry to be filtered is placed at the feed baffle 2, the filtered slurry goes out from the discharge hopper 3, and the filtered impurities or particles fall on the left side along the inclined sieve plate 1b; it should be noted that Figure 1 This is only a specific usage embodiment. The present application mainly improves the sieve plate itself, and does not make specific requirements for other components used in conjunction with it. Other supporting components can be configured according to the structure of the sieve plate of the present application and the specific usage scenario.

[0031] To facilitate feeding, the feed baffle 2 is inclined outward.

[0032] like Figure 4 As shown, the sieve hole cleaning device also includes a cleaning frame 4 and a lifting drive device, the cleaning frame 4 includes a frame body 4a and a cross bar 4b, the frame body 4a is a frame structure formed by welding round tubes on all sides, and a plurality of rows of cross bars 4b corresponding to the sieve holes 1b1 are fixedly arranged between the left and right sides of the frame body 4a, the cross bars 4b are also round tubes welded and fixed to the frame body 4a, and a plurality of columns of cleaning rods 4c corresponding to the sieve holes 1b1 are fixedly arranged on the top of the cross bars 4b; the lifting drive device is used to drive the cleaning frame 4 to lift and lower linearly; the cleaning frame 4 is arranged in the straight bucket section 3a.

[0033] The upper portion of the cleaning rod 4c is configured to be a truncated cone structure.

[0034] The lifting drive device includes a telescopic element 5, the fixed part of which is fixedly arranged on the outside of the oblique bucket section 3b. The telescopic part of the telescopic element 5 can be slidably passed through the oblique bucket section 3b in an airtight manner and is fixedly connected to the cleaning frame 4; the telescopic element 5 is a cylinder, a hydraulic cylinder or an electric telescopic cylinder.

[0035] like Figure 3 As shown, supports 3c are fixedly arranged on the left and right outer sides of the oblique bucket section 3b, respectively, and the fixed part of the telescopic element 5 is fixedly arranged on the supports 3c.

[0036] In order to enhance the bearing capacity of the support 3c, a reinforcing rib 3d is provided between the support 3c and the oblique bucket section 3b.

[0037] Patch blocks 3e are fixedly provided on the left and right outer sides of the oblique bucket section 3b respectively, and concentric through guide holes 3f are provided on the patch block 3e and the oblique bucket section 3b. The telescopic part of the telescopic element 5 can slide through the guide hole 3f in an airtight manner. The function of the patch block 3e is to make up for the defect of the thin wall thickness of the oblique bucket section 3b. Since it has to play a guiding role, the guide hole 3f should be set longer, but the wall thickness of the oblique bucket section 3b itself is not enough, so the patch block 3e is welded and fixed at the position where the guide hole 3f is set.

[0038] A sealing groove 3f1 is provided on the guide hole 3f, and a sealing ring 6 is installed in the sealing groove 3f1.

[0039] The sieve plate for filtering slurry in the production of the fiber cement board can clean the sieve holes during use, effectively ensuring the filtering efficiency of the sieve plate.

Claims

1. A sieve plate for filtering slurry in the production of fiber cement board, characterized in that: The invention comprises a sieve plate body (1), a feed baffle (2), a discharge hopper (3) and a sieve hole cleaning device, wherein the sieve plate body (1) comprises a fixed side plate (1a) and a sieve hole plate (1b), wherein the sieve hole plate (1b) is inclined at an angle of 5-15° to a horizontal plane, wherein the left side of the sieve hole plate (1b) is lower than the right side, and two fixed side plates (1a) are respectively arranged on the left and right sides of the sieve hole plate (1b), wherein the two fixed side plates (1a) are arranged horizontally, and a plurality of sieve holes (1b) in a rectangular array are arranged on the sieve hole plate (1b). b1), the feed baffle (2) is fixedly arranged on the front side, the rear side and the right side of the top of the sieve plate body (1), the discharge hopper (3) is fixedly arranged on the bottom of the sieve plate body (1), the discharge hopper (3) includes an upper straight hopper section (3a) and a lower inclined hopper section (3b), and the inclined hopper section (3b) is inclined inward; the sieve hole cleaning device includes a plurality of lifting cleaning rods (4c) corresponding to the sieve holes (1b1), and the cleaning rods (4c) are arranged below the sieve hole plate (1b).

2. The sieve plate for filtering slurry in the production of fiber cement board according to claim 1, characterized in that: The feed baffle (2) is inclined outward.

3. The sieve plate for filtering slurry in the production of fiber cement board according to claim 1, characterized in that: The sieve hole cleaning device also includes a cleaning frame (4) and a lifting drive device. The cleaning frame (4) includes a frame body (4a) and a cross bar (4b). The frame body (4a) is a frame structure formed by welding round tubes on all sides. A plurality of row cross bars (4b) corresponding to the sieve holes (1b1) are fixedly arranged between the left and right sides of the frame body (4a). A plurality of column cleaning rods (4c) corresponding to the sieve holes (1b1) are fixedly arranged on the top of the cross bars (4b). The lifting drive device is used to drive the cleaning frame (4) to lift and lower in a straight line. The cleaning frame (4) is arranged in the straight bucket section (3a).

4. The sieve plate for filtering slurry in the production of fiber cement board according to claim 3, characterized in that: The upper part of the cleaning rod (4c) is arranged in a truncated cone structure.

5. The sieve plate for filtering slurry in the production of fiber cement board according to claim 3, characterized in that: The lifting drive device comprises a telescopic element (5), the fixed part of which is fixedly arranged outside the oblique bucket section (3b), and the telescopic part of the telescopic element (5) is slidably passed through the oblique bucket section (3b) in an airtight manner and is fixedly connected to the cleaning frame (4).

6. The sieve plate for filtering slurry in the production of fiber cement board according to claim 5, characterized in that: The telescopic element (5) is a pneumatic cylinder, a hydraulic cylinder or an electric telescopic cylinder.

7. The sieve plate for filtering slurry in the production of fiber cement board according to claim 5, characterized in that: Supports (3c) are fixedly arranged on the left and right outer sides of the oblique bucket section (3b), respectively, and the fixed part of the telescopic element (5) is fixedly arranged on the support (3c).

8. The sieve plate for filtering slurry in the production of fiber cement board according to claim 7, characterized in that: A reinforcing rib (3d) is provided between the support (3c) and the oblique bucket section (3b).

9. The sieve plate for filtering slurry in the production of fiber cement board according to claim 5, characterized in that: Patch blocks (3e) are fixedly arranged on the left and right outer sides of the oblique bucket section (3b), respectively, and concentrically penetrating guide holes (3f) are arranged on the patch blocks (3e) and the oblique bucket section (3b), and the telescopic part of the telescopic element (5) can slidably pass through the guide holes (3f) in an airtight manner.

10. The sieve plate for filtering slurry in the production of fiber cement board according to claim 9, characterized in that: A sealing groove (3f1) is provided on the guide hole (3f), and a sealing ring (6) is installed in the sealing groove (3f1).

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