Negative dip angle screen frame sealing structure

Abstract

The utility model discloses a negative dip angle screen frame sealing structure, which relates to the technical field of vibrating screen sealing, aims to solve the problem of material mixing caused by poor sealing performance and inconvenience in disassembly in the prior art, and adopts the technical scheme that a support frame is arranged in a screen box, a screen is connected onto the support frame in a sliding manner, and a clamping cap is arranged on the surface of the screen; a self-sealing mechanism is arranged on the inner wall, above the screen, of the screen box and comprises a fixing plate, the fixing plate is fixedly connected with the screen box, an elastic plate is fixedly connected to the fixing plate, the lower half section of the elastic plate is not connected with the fixing plate, an insertion block is arranged at the tail end of the elastic plate, and a baffle is arranged on the fixing plate on the left side of the elastic plate. The rear plate is fixed with the screen box through screws, the tensioning mechanism is arranged on the rear plate, the tensioning mechanism fixes the screen and the rear plate, the elastic plate and the clamping cap are matched, and when the screen is pulled leftwards, the elastic plate can form downward pressing force on the screen, so that the screen and the supporting frame are sealed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vibrating screen sealing technical field, concretely is a negative inclination screen frame sealing structure. BACKGROUND

[0002] With the increasing of labor cost, more and more enterprises need to reduce production cost and improve enterprise competitiveness, and under such demand, production automation system has been more applied and popularized.

[0003] The dewatering screen is mainly used for dewatering, desliming and medium removal, and can be used for washing sand in a sand plant, coal slime recovery in a coal preparation plant, tailing dry discharge in a mineral processing plant and the like, and is also called sand dewatering screen, mine dewatering screen, coal slime dewatering screen, tailing dry discharge screen and high-frequency dewatering screen. Although they belong to dewatering equipment, the structures of the dewatering screens are different when they are used for different materials. For example, the sand dewatering screen on a sand washing production line and the tailing dewatering screen commonly used in a mineral processing plant are different equipment. After the plastic particles are cut, they are cooled in running water, and the material after cooling needs to be dewatered. The plastic particles are easy to adhere to water on the surface and difficult to remove. The water content of the finished product of the equipment on the market is generally 8% to 10%, which cannot meet the market demand, and a second process is needed.

[0004] The utility model mainly solves the problem of poor sealing and inconvenient disassembly of the existing screening equipment with negative inclination. CONTENT

[0005] The utility model solves the problem in the background art by overcoming the defects of the prior art and providing a negative inclination screen frame sealing structure.

[0006] In order to achieve the above-mentioned purpose, the utility model discloses a negative inclination screen frame sealing structure, adopts the technical scheme, including the sieve box, the support is below the sieve box, the support is connected with the sieve box through the vibration spring, the upper cover is on the top of the sieve box. The feeding mechanism is arranged on the upper cover, the vibration mechanism is arranged on the right side of the feeding mechanism, the support frame is arranged in the sieve box, the sieve net is slidably connected to the support frame, the clamping cap is arranged on the surface of the sieve net, the self-sealing mechanism is arranged on the inner wall of the sieve box above the sieve net, the self-sealing mechanism comprises a fixed plate, the fixed plate is fixedly connected with the sieve box, the elastic plate is fixedly connected to the fixed plate, the lower half of the elastic plate is not connected with the fixed plate, the plug is arranged at the end of the elastic plate, the baffle is arranged on the fixed plate on the left side of the elastic plate, the opening is arranged at the back of the sieve box, the back plate is arranged on the opening, the back plate is fixedly connected with the sieve box through the screw, the tensioning mechanism is arranged on the back plate, and the tensioning mechanism fixes the sieve net and the back plate.

[0007] As a preferred technical scheme of the utility model, the feeding mechanism is a shell, a first flow guide plate is arranged on the left side of the feeding mechanism, a second flow guide plate is arranged on the right side of the feeding mechanism below the first flow guide plate, a discharge port is arranged below the second flow guide plate, a feeding port is arranged on the feeding mechanism above the first flow guide plate, and the feeding mechanism is used for relieving feeding pressure and preventing excessive screening pressure caused by a large amount of materials entering at one time.

[0008] As a preferred technical scheme of the utility model, the screen bottom is provided with a screen frame, the screen is slidably connected with the support frame through the screen frame, a tensioning bolt is arranged on the left side of the screen frame, the tensioning bolt is fixedly connected to the screen frame, and a sealing leather strip is arranged between the screen frame and the support frame, so as to realize sealing between the screen frame and the support frame.

[0009] As a preferred technical scheme of the utility model, a rib plate is arranged between the elastic plate, the baffle and the fixed plate, so as to increase the strength between the elastic plate, the baffle and the fixed plate, the distance between the fixed plate and the screen is less than the length of the elastic plate, the clamping cap is matched with the plug, when the screen is pulled to the left, the clamping cap drives the elastic plate to move to the left, the elastic plate forms a downward pressure on the screen, and the screen and the support frame are sealed.

[0010] As a preferred technical scheme of the utility model, a sealing leather strip is arranged between the rear plate, the screen box and the screen, the tensioning mechanism comprises a nut, the tensioning bolt penetrates the rear plate, the nut fastens the tensioning bolt and the rear plate, and the screen is pulled to the left.

[0011] As a preferred technical scheme of the utility model, the rear plate is provided with a material baffle, the material baffle is provided with a material blocking leather strip at the end, and the screen box and the screen are preliminarily sealed.

[0012] Compared with the prior art, the utility model has the beneficial effects that: the feeding mechanism can relieve feeding pressure, prevent excessive screening pressure caused by a large amount of materials entering at one time, the elastic plate and the clamping cap are matched, when the screen is pulled to the left, the clamping cap drives the elastic plate to move to the left, the elastic plate forms a downward pressure on the screen, and the screen and the support frame are sealed. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is an enlarged view of A of the utility model;

[0015] Figure 3 This is an enlarged view of section B of this utility model;

[0016] Figure 4 This is a schematic diagram of the screen structure of this utility model;

[0017] Figure 5 This is a schematic diagram of the screen installation process of this utility model;

[0018] Figure 6 This is a BB cross-sectional view of the present invention;

[0019] Figure 7 This is a schematic diagram of the self-sealing mechanism during the screen installation process of this utility model. Figure 1 ;

[0020] Figure 8 This is a schematic diagram of the self-sealing mechanism during the screen installation process of this utility model. Figure 2 .

[0021] In the diagram: 1. Screen box; 101. Support frame; 2. Bracket; 3. Vibration spring; 4. Top cover; 5. Feeding mechanism; 501. Feed inlet; 502. First guide plate; 503. Second guide plate; 504. Discharge outlet; 6. Vibration mechanism; 7. Screen; 701. Screen frame; 702. Clip cap; 703. Screw; 8. Rear plate; 801. Tensioning bolt; 802. Baffle plate; 803. Baffle strip; 9. Self-sealing mechanism; 901. Fixing plate; 902. Spring plate; 903. Rib plate; 904. Insert block; 905. Baffle; 10. Sealing strip; 11. Nut. Detailed Implementation

[0022] 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. Example 1

[0023] like Figures 1 to 8As shown, this utility model discloses a negative tilt angle screen frame sealing structure. The technical solution includes a screen box 1, a support 2 below the screen box 1, a vibration spring 3 on the support 2, and the screen box 1 and the support 2 connected by the vibration spring 3. The screen box 1 has a top cover 4, and the top cover 4 has a feeding mechanism 5. The feeding mechanism 5 has a feeding port 501 at the top, and a first guide plate 502 is provided on the left side of the inside of the feeding mechanism 5 at the bottom of the feeding port 501. A second guide plate 503 is provided on the right side of the feeding mechanism 5 below the first guide plate 502. The bottom of the 503 is provided with a discharge port 504. The upper cover 4 on the right side of the feeding mechanism 5 is provided with a vibration mechanism 6. The screen box 1 is provided with a support frame 101. The screen 7 is slidably connected to the support frame 101. The screen 7 is provided with a mesh frame 701 below the screen 7. The screen 7 is slidably connected to the support frame 101 through the mesh frame 701. There is a sealing strip 10 between the mesh frame 701 and the support frame 101. The surface of the screen 7 is provided with snap-fit ​​caps 702. There are multiple snap-fit ​​caps 702, which are arranged in an array on both sides of the surface of the screen 7. The inner wall of the screen box 1 above the screen 7 is provided with a self-sealing mechanism 9. The self-sealing mechanism 9 corresponds to the position and number of the snap-fit ​​caps 702. The self-sealing mechanism 9 includes a fixing plate 901, which is fixed to the inner wall of the screen box 1. A spring plate 902 is provided on the fixing plate 901. The upper half of the spring plate 902 is connected to the fixing plate 901, and the lower half is not connected to the fixing plate 901. A baffle 905 is provided on the fixing plate 901 to the left of the spring plate 902. A rib 903 is provided between the baffle 905, the spring plate 902, and the fixing plate 901. An insert block 904 is provided at the end of the spring plate 902. An opening is opened on the left side of the screen box 1. The opening has a back plate 8, which is fixed to the screen box 1 by screws 703. The back plate 8 has a tensioning mechanism, which includes a tensioning bolt 801. The tensioning bolt 801 penetrates to the left side of the screen frame 701 and is fixed to the screen frame 701. The tensioning bolt 801 penetrates to the back plate 8 and is fastened to the back plate 8 by nuts 11. There is a sealing strip 10 between the back plate 8, the screen box 1, and the screen frame 701. The back plate 8 is provided with a baffle plate 802. The end of the baffle plate 802 has a baffle strip 803. The baffle strip 803 is connected to the screen 7.

[0024] The working principle of this utility model is as follows: When installing the screen 7, first loosen the screw 703 to remove the back plate 8, push the screen 7 from the opening onto the support frame 101, and continue to push the screen 7 to the right. When the snap cap 702 touches the left side of the spring plate 902, the spring plate 902 will tilt to the right, so it will not affect the pushing of the screen 7 to the right. Then, pass the tension bolt 801 through the back plate 8 and gently screw the nut 11 onto the tension bolt 801. At this time, the screen 7 is fully pushed through the back plate 8. Enter the screen box 1 and fix the rear plate 8 to the screen box 1 with screws 703. At this time, tighten the nut 11, so that the nut 11 pulls the screen 7 to the left and the snap cap 702 moves to the left until it is fitted onto the insert block 904. Continue to tighten the nut 11. The snap cap 702 drives the spring plate 902 to move to the left. The spring plate 902 will press down on the screen 7 to seal between the screen 7 and the support frame 101. To remove the screen 7, loosen the nut 11 and pull the screen 7 directly out from the outlet on the right side of the screen box 1.

[0025] The circuits and mechanical connections involved in this utility model are common practices used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments. They are common knowledge.

[0026] Components not described in detail in this article are existing technologies.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A negative inclination screen deck seal structure, comprising a screen box (1), a support (2) below the screen box (1), the support (2) and the screen box (1) being connected through a vibration spring (3), and an upper cover (4) on the top of the screen box (1), characterized in that: The upper cover (4) is provided with a feeding mechanism (5), the right side of the feeding mechanism (5) is provided with a vibrating mechanism (6), the inside of the screen box (1) is provided with a supporting frame (101), the supporting frame (101) is slidably connected with a screen (7), the surface of the screen (7) is provided with a clamping cap (702), the inner wall of the screen box (1) above the screen (7) is provided with a self-sealing mechanism (9), the self-sealing mechanism (9) comprises a fixed plate (901), the fixed plate (901) is fixedly connected with the screen box (1), the fixed plate (901) is fixedly connected with a elastic plate (902), the lower half of the elastic plate (902) is not connected with the fixed plate (901), the tail end of the elastic plate (902) is provided with an insertion block (904), the fixed plate (901) on the left side of the elastic plate (902) is provided with a baffle (905), the height of the baffle (905) is higher than that of the clamping cap (702), an opening is formed in the rear of the screen box (1), the opening is provided with a rear plate (8), the rear plate (8) is fixed with the screen box (1) through screws (703), the rear plate (8) is provided with a tensioning mechanism, and the tensioning mechanism fixes the screen (7) and the rear plate (8).

2. A negative rake screen deck seal structure as claimed in claim 1, wherein: The feeding mechanism (5) is a shell, the left side of the inside of the feeding mechanism (5) is provided with a first guide plate (502), the right side of the feeding mechanism (5) below the first guide plate (502) is provided with a second guide plate (503), the second guide plate (503) below is provided with a discharge port (504), and the feeding mechanism (5) is provided with a feeding port (501) above the first guide plate (502).

3. A negative rake screen deck seal structure as claimed in claim 1, wherein: The bottom of the screen (7) is provided with a mesh frame (701), the screen (7) is slidably connected with the supporting frame (101) through the mesh frame (701), the left side of the mesh frame (701) is provided with a tensioning bolt (801), the tensioning bolt (801) is fixedly connected to the mesh frame (701), and the mesh frame (701) and the supporting frame (101) are provided with a sealing leather strip (10).

4. The negative rake screen deck seal structure of claim 1, wherein: The elastic plate (902) and the baffle (905) are provided with a rib plate (903) between the fixed plate (901), the distance between the fixed plate (901) and the screen (7) is less than the length of the elastic plate (902), and the clamping cap (702) is matched with the insertion block (904).

5. A negative rake screen deck seal structure as claimed in claim 3, wherein: The rear plate (8), the screen box (1) and the screen (7) are provided with a sealing leather strip (10), the tensioning mechanism comprises a nut (11), the tensioning bolt (801) penetrates the rear plate (8), and the nut (11) fastens the tensioning bolt (801) and the rear plate (8).

6. A negative rake screen deck seal structure as claimed in claim 5, wherein: The rear plate (8) is provided with a material blocking plate (802), and the end of the material blocking plate (802) is provided with a material blocking leather strip (803).

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