Horizontal separating screen convenient to maintain

Abstract

The utility model relates to the technical field of vibrating screens, and discloses a horizontal separating screen convenient to maintain, which comprises a base, a support component and a vibrating component, a screen frame is mounted on the base through the support component, the screen frame is a horizontal screen frame, and a screen mesh is mounted in the screen frame; the vibration assembly comprises two vibration motor sets oppositely installed on the screen frame. The vibration motor set comprises two vibration motors which are arranged in a high-low front-back mode, and the vibration motor close to the feeding end is higher than the other vibration motor close to the discharging end. The screen is obliquely installed in the screen frame, the rear side of the screen is higher than the front side of the screen, and the included angle beta between the screen and the horizontal line is larger than 3 degrees and smaller than 6 degrees. The vibrating screen has the advantages of being high in screening efficiency, convenient to replace and maintain, and capable of greatly optimizing the working environment of workers.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screens, in particular to a horizontal sorting screen convenient for maintenance. Background Art

[0002] A horizontal vibrating screen (horizontal sorting screen) is a commonly used screening device, which can be used for screening powdery and granular materials of various particle sizes and shapes, and is widely used in industries such as chemical industry, food, medicine, metallurgy, and building materials.

[0003] The horizontal vibrating screen makes an elliptical motion trajectory, which is an efficient vibration technology. Moreover, the screen of the vibrating screen is horizontally arranged, so that the residence time of the material on the screen holes becomes shorter, and the screening efficiency is significantly improved. Compared with the traditional screening device, the efficiency is increased by 2-3 times, greatly saving the production time and cost.

[0004] However, for the existing horizontal vibrating screen, the overall structure is compact, and the screen is horizontally arranged (as shown in Figure 8 ), which makes the manipulable space of the bottom screen narrow and is not convenient for the installation and maintenance of production workers.

[0005] Therefore, a horizontal sorting screen convenient for maintenance is proposed, which has high screening efficiency, reasonable layout of the motor and the screen, is convenient for the replacement and maintenance of the screen, and greatly optimizes the working environment of workers. Content of the Utility Model

[0006] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a horizontal sorting screen convenient for maintenance, which has high screening efficiency, reasonable layout of the motor and the screen, is convenient for the replacement and maintenance of the screen, and is mainly reflected in the more convenient replacement and maintenance of the screen in the height space, greatly optimizing the working environment of workers.

[0007] The purpose of the utility model is realized by the following technical solutions:

[0008] A horizontal sorting screen convenient for maintenance includes a base, a support assembly, and a vibration assembly. A screen frame is installed on the base through the support assembly. The screen frame is a horizontal screen frame, and a screen is installed in the screen frame; the vibration assembly includes two vibration motor groups oppositely installed on the screen frame; each vibration motor group includes two vibration motors, and the two vibration motors are arranged in a high-low and front-back manner, and the vibration motor close to the feeding end is higher than the other vibration motor close to the discharging end; the screen is obliquely installed in the screen frame, and the rear side of the screen is higher than the front side, and the included angle between the screen and the horizontal line is β, 3° < β < 6°.

[0009] In a preferred embodiment of this solution, β = 5°. The angle between the sieve mesh and the horizontal line is 5°, which makes the overall length of the sieve mesh not much different from that of the existing equipment. For example, the length of the existing sieve mesh installation position is 6 meters, that is, the horizontal length inside the sieve frame is 6 meters. In the case of a 5° inclination, the length of the sieve mesh in this solution only needs to be changed to 6.025 meters, while the height at the rear of the sieve mesh can be increased by nearly 0.5 meters, which is beneficial to making room for the installation and maintenance of the bottom sieve mesh, making the height of each sieve surface more suitable for the installation and maintenance of production workers, and greatly optimizing the working environment of the workers.

[0010] In a preferred embodiment of this solution, the sieve frame includes two side plates arranged left and right, and an installation plate is respectively provided at the top of the two side plates; two vibration motor groups are oppositely installed on the two installation plates; the vibration motors are double-output shaft motors, and both ends of the vibration motors penetrate through the installation plates; an eccentric block is respectively provided on the two output shafts of the vibration motors; the eccentric block includes a fixed eccentric block fixed on the output shaft of the vibration motor, and an adjustable eccentric block rotatably installed on the output shaft of the vibration motor, and the adjustable eccentric block can be fixed on the fixed eccentric block through a fastening bolt.

[0011] In a preferred embodiment of this solution, an arc scale is provided on the fixed eccentric block. The coincidence degree between the fixed eccentric block and the adjustable eccentric block is determined by the position where the adjustable eccentric block covers the arc scale. The more the two coincide, the greater the exciting force; the coincidence degrees between the fixed eccentric blocks and the adjustable eccentric blocks on the four vibration motors should be adjusted to be consistent, and the size of the coincidence degree between the fixed eccentric block and the adjustable eccentric block can be flexibly adjusted according to the production situation.

[0012] In a preferred embodiment of this solution, a connecting shaft is connected between the two vibration motors arranged corresponding to each other left and right; both ends of the connecting shaft are respectively connected to the inner output shaft ends of the two vibration motors through a coupling.

[0013] In a preferred embodiment of this solution, the installation plate is detachably installed on the top of the side plate through bolts; four reinforcing columns are provided between the two installation plates; both ends of the reinforcing columns are respectively fixedly installed on the side plates through bolts, and the four reinforcing columns are symmetrically distributed at the four corners of the side plates.

[0014] In a preferred embodiment of this solution, inner shell covers and outer shell covers are respectively provided on both sides of the installation plate; both ends of the vibration motor are respectively arranged inside the inner shell cover and the outer shell cover.

[0015] In a preferred embodiment of this solution, on the side plate, a lifting ear plate is provided on each side of the installation position of the mounting plate; the lifting ear plate is set at a position higher than the screen; the lifting ear plate is perpendicular to the outer wall of the side plate. For the existing lifting ears of the screen frame, in order to avoid the installation position of the screen plate, they are all installed on the top of the screen frame. However, due to the inclined screen design in this solution, there is an avoidance space on the side plate of the equipment, so that the lifting ears can be set on the outer side of the side, which is beneficial to improving the stability.

[0016] In a preferred embodiment of this solution, screen hooks or screen hook plates are provided on both sides of the screen; a support plate is provided inside the screen frame, and the screen is fixed to the support plate by bolts; the horizontal sorting screen is also provided with a tensioning plate, and the tensioning plate can be installed on the inner wall of the side plate by bolts, and after installation, the bottom of the tensioning plate is hooked with the screen hooks or screen hook plates to tension the screen.

[0017] In a preferred embodiment of this solution, the support assembly includes a support seat, a spring, and a mounting seat; the support seat is installed on the base, and the mounting seat is fixedly arranged on the outer wall of the side plate; the spring is arranged vertically, and the two ends of the spring are respectively sleeved on the support seat and the mounting seat; the tensioning plate extends upward corresponding to the mounting seat with an extension plate, and a hole is opened on the extension plate, and the position where the hole is opened is higher than the mounting seat 5, and the side plate is provided with a mounting hole corresponding to the round hole. When the tensioning plate is locked on the side plate by bolts, the bolts can pass through the side plate from the hole to avoid the mounting seat.

[0018] In a preferred embodiment of this solution, the screen is a metal woven screen, and screen hooks are provided on both sides of the metal woven screen; the tensioning plate is also provided with two L-shaped pull rods, and the included angle between the short rod end and the long rod end of the L-shaped pull rod is an obtuse angle; the short rod end of the L-shaped pull rod is provided with a thread, and a block is provided at the bottom of the long rod end of the L-shaped pull rod, and a waist-shaped hole is provided on the block; below the extension plate, an opening is provided in the middle of the tensioning plate. After installation, the short rod end of the L-shaped pull rod passes through the opening and is screwed with a locking nut, and the block is fixedly installed on the side plate by bolts.

[0019] In a preferred embodiment of this solution, the included angle between the axis connection line of the two vibration motors and the horizontal line is α, 10° < α < 30°. This can make the exciting force greater and the screening efficiency better.

[0020] In a preferred embodiment of this solution, α is 20°.

[0021] The utility model has the following advantages:

[0022] (1) In this solution, the layout of the two sets of vibrating motor units adopts the golden section height (a right-angled acute triangle layout with an angle of α), arranged in a high-low manner, and installed on the top of the sieve bed, making the exciting force greater, the screening efficiency better, thus increasing the output and reducing the energy consumption, especially when screening materials with a size of ≤ 2CM; in addition, the two sets of vibrating motors are installed above the side plates through mounting plates, leaving an operating space for the installation and maintenance of the top sieve mesh.

[0023] (2) The horizontal sorting sieve in this solution can be manufactured into a single-layer, double-layer, or triple-layer sieve surface; and the built-in sieve mesh has a slope of 5° (the equipment inlet slopes downward by 5° towards the outlet), but the whole machine (sieve frame, support components, etc.) is still installed horizontally, at 0°, which makes the overall length of the sieve mesh not much different from that of existing equipment, while the height at the rear of the sieve mesh can be increased by nearly 0.5 meters, facilitating the installation and maintenance space for the bottom sieve mesh, making the height of each sieve surface more suitable for the installation and maintenance of production workers, and greatly optimizing the working environment of the workers.

[0024] (3) Four motors installed on the side plates are adopted, and eccentric shafts are not used, so there is no need for thin oil lubrication, greatly reducing the failure rate, maintenance rate, and high-temperature problems. The equipment only needs to be filled with special grease after running for 200 - 300 hours. At the same time, the noise during the operation of the equipment can be reduced several times. Brief Description of the Drawings

[0025] Figure 1 is a schematic diagram of the present utility model;

[0026] Figure 2 is a three-dimensional structural schematic diagram of Embodiment 1 of the present utility model;

[0027] Figure 3 is a structural schematic diagram of the tensioning plate of Embodiment 1 of the present utility model;

[0028] Figure 4 is a structural schematic diagram of the tensioning plate of Embodiment 2 of the present utility model;

[0029] Figure 5 is a schematic diagram of the cooperation between the tensioning plate and the L-shaped pull rod of Embodiment 2 of the present utility model;

[0030] Figure 6 is a schematic diagram of the sieve mesh of Embodiment 2 of the present utility model;

[0031] Figure 7 is a structural schematic diagram of Embodiment 2 of the present utility model;

[0032] Figure 8 is a structural schematic diagram of the installation of the sieve mesh at the existing technical level;

[0033] In the figure: 1 - base, 2 - sieve frame, 3 - sieve mesh, 4 - spring, 5 - mounting seat, 6 - support seat, 7 - tensioning plate, 8 - mounting plate, 9 - vibration motor, 10 - lifting ear plate, 12 - reinforcement column, 13 - connecting shaft, 14 - L-shaped pull rod, 17 - block. Specific implementation mode

[0034] The following further describes the present utility model in conjunction with the attached drawings, but the protection scope of the present utility model is not limited to the following.

[0035] Embodiment 1

[0036] As Figure 1 , Figure 2 shown, a horizontal sorting sieve that is convenient for maintenance includes a base 1. A sieve frame 2 is installed on the base 1 through a support assembly. The sieve frame 2 is a horizontal sieve frame, and two layers of sieve meshes 3 are installed up and down in the sieve frame 2; the sieve frame 2 includes two side plates arranged left and right, and a mounting plate 8 is respectively provided at the top of the two side plates; the whole device is driven to vibrate through a vibration assembly. The vibration assembly includes two vibration motor groups relatively installed on the two mounting plates 8; the vibration motor group includes two vibration motors 9, and the two vibration motors 9 are arranged in a high-low and front-back manner. The two vibration motors 9 are inclined, and are arranged at an acute angle with the horizontal line, which can make the exciting force greater and the screening efficiency better.

[0037] At the same time, in this embodiment, the vibration motor 9 near the feed guide groove 210 is higher than the vibration motor 9 near the discharge guide groove 202; both layers of sieve meshes 3 are inclined 5° and installed in the sieve frame 2, and the rear side of the sieve mesh 3 is higher than the front side.

[0038] Further, in this embodiment, the included angle α between the axis connection line of the two vibration motors 9 and the horizontal line is 20°.

[0039] Further, in this solution, the vibration motor 9 is a double-output shaft motor, which is installed on the mounting plate 8 and penetrates the mounting plate 8; fixed eccentric blocks 1101 and adjustable eccentric blocks 1102 are respectively provided on the two output shafts of the vibration motor 9; the fixed eccentric block 1101 is fixed on the output shaft of the vibration motor, and the adjustable eccentric block 1102 is rotatably installed on the output shaft of the vibration motor, and the adjustable eccentric block 1102 can be fixed on the fixed eccentric block 1101 through a fastening bolt.

[0040] In this embodiment, an arc scale 11011 is provided on the fixed eccentric block 1101. The coincidence degree between the fixed eccentric block 1101 and the adjustable eccentric block 1102 is determined by the position where the adjustable eccentric block 1102 blocks the arc scale 11011. The more the two coincide, the greater the exciting force. The coincidence degrees between the fixed eccentric blocks 1101 and the adjustable eccentric blocks 1102 on the four vibration motors 9 are all adjusted to be consistent. In this embodiment, the size of the coincidence degree between the fixed eccentric block 1101 and the adjustable eccentric block 1102 can be flexibly adjusted according to the production situation.

[0041] Further, in this solution, a connecting block is welded to the end of the output shaft on the inner side of the vibration motor 9. The connecting block is fixedly connected to one end of the coupling by bolts, and the other end of the coupling is fixedly connected to the connecting shaft 13. Thus, the two vibration motors 9 corresponding to the left and right can be connected through the connecting shaft 13 and the coupling.

[0042] In this embodiment, the mounting plate 8 is detachably mounted on the top of the side plate by bolts. Four reinforcing columns 12 are provided between the two mounting plates 8. Both ends of the reinforcing columns 12 are fixedly mounted on the side plate by bolts, and the four reinforcing columns 12 are symmetrically distributed at the four corners of the side plate. Inner housing covers and outer housing covers are respectively provided on both sides of the mounting plate 8. Both ends of the vibration motor 9 are respectively arranged inside the inner housing cover and the outer housing cover.

[0043] Further, in this solution, on the side plate, a lifting ear plate 10 is respectively provided on both sides of the mounting position of the mounting plate 8. The setting position of the lifting ear plate 10 is higher than the screen 3. The lifting ear plate 10 is perpendicular to the outer wall of the side plate.

[0044] In this embodiment, screen hooks are provided on both sides of the screen 3. A support plate is provided inside the screen frame 2, and the screen 3 is fixedly mounted on the support plate by bolts. The horizontal sorting screen is also provided with a tensioning plate 7. The tensioning plate 7 can be mounted on the inner wall of the side plate by bolts, and after installation, the bottom of the tensioning plate 7 is hooked with the screen hook to tension the screen 3.

[0045] Further, in this embodiment, the support assembly includes a support seat 6, a spring 4, and a mounting seat 5. The support seat 6 is mounted on the base 1, and the mounting seat 5 is fixedly provided on the outer wall of the side plate. The spring 4 is vertically arranged, and both ends of the spring 4 are respectively sleeved on the support seat 6 and the mounting seat 5 correspondingly. Refer to Figure 3 As shown, the tensioning plate 7 extends upward corresponding to the mounting seat 5 to form an extension plate 701. A hole is provided in the extension plate 701, and the position where the hole is provided is higher than the mounting seat 5. The side plate is provided with a mounting hole corresponding to the round hole. When there is a conflict between the mounting position of the mounting seat 5 and the mounting position of the tensioning plate 7, when the tensioning plate 7 is locked on the side plate by bolts, the bolts can pass through the side plate from the hole to avoid the mounting seat 5.

[0046] Embodiment 2

[0047] Refer to Figures 4 to 7, The difference between this embodiment and Embodiment 1 is that this solution is provided with three layers of screen meshes. The screen mesh 3 is a metal woven mesh, and screen hooks are provided on both sides of the metal woven mesh.

[0048] In addition, in this embodiment, an L-shaped pull rod 14 is also provided. When a conflict occurs between the installation positions of the mounting seat 5 and the tensioning plate 7, through the cooperation of the L-shaped pull rod 14 and the extension plate 701, the tensioning plate 7 section at the conflict position can be closely attached to the side wall of the screen frame 2.

[0049] Specifically, an obtuse angle is formed between the short rod end and the long rod end of the L-shaped pull rod 14; the short rod end of the L-shaped pull rod 14 is provided with a thread, a block 17 is provided at the bottom of the long rod end of the L-shaped pull rod 14, and a waist-shaped hole is provided on the block 17; below the extension plate 701, an opening 702 is provided in the middle of the tensioning plate 7. After installation, the short rod end of the L-shaped pull rod 14 passes through the opening 702 and is screwed with a locking nut, and the block 17 is fixedly installed on the side plate through bolts.

[0050] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A horizontally sorting screen facilitating maintenance, characterized in that: It includes a base (1), a support assembly, and a vibration assembly. A screen frame (2) is installed on the base (1) through the support assembly. The screen frame (2) is a horizontal screen frame, and a screen mesh (3) is installed inside the screen frame (2); The vibration assembly includes two vibration motor groups oppositely installed on the screen frame; Each vibration motor group includes two vibration motors (9). The two vibration motors (9) are arranged in a high-low and front-back manner, and the vibration motor (9) closer to the feeding end is higher than the other vibration motor (9) closer to the discharging end; The screen mesh (3) is inclinedly installed inside the screen frame (2), and the rear side of the screen mesh (3) is higher than the front side. The included angle between the screen mesh (3) and the horizontal line is β, and 3° < β < 6°; The included angle between the axis connection line of the two vibration motors (9) and the horizontal line is α, and 10° < α < 30°.

2. The horizontally sorting screen facilitating maintenance according to claim 1, characterized in that: β = 5°.

3. The horizontally sorting screen facilitating maintenance according to claim 1, characterized in that: The screen frame (2) includes two side plates arranged left and right, and an installation plate (8) is respectively provided at the top of the two side plates; The two vibration motor groups are oppositely installed on the two installation plates (8); The vibration motor (9) is a double-output shaft motor, and both ends of the vibration motor (9) penetrate through the installation plate (8); An eccentric block is respectively provided on the two output shafts of the vibration motor (9); The eccentric block includes a fixed eccentric block (1101) fixed on the output shaft of the vibration motor, and an adjustable eccentric block (1102) rotatably installed on the output shaft of the vibration motor. The adjustable eccentric block (1102) can be fixed on the fixed eccentric block (1101) through a fastening bolt.

4. The horizontally sorting screen facilitating maintenance according to claim 1, characterized in that: A connecting shaft (13) is connected between the two vibration motors (9) arranged corresponding to the left and right; Both ends of the connecting shaft (13) are respectively connected to the inner output shaft ends of the two vibration motors (9) through a coupling.

5. The horizontally sorting screen facilitating maintenance according to claim 3, characterized in that: On the side plate, a lifting ear plate (10) is respectively provided on both sides of the installation position of the installation plate (8); The setting position of the lifting ear plate (10) is higher than the screen mesh (3); The lifting ear plate (10) is perpendicular to the outer wall of the side plate.

6. The horizontally sorting screen facilitating maintenance according to claim 1, characterized in that: Screen hooks or screen hook plates are provided on both sides of the screen mesh (3); A support plate is provided inside the screen frame (2), and the screen mesh (3) is fixed on the support plate through bolts; The horizontally sorting screen further includes a tensioning plate (7). The tensioning plate (7) can be installed on the inner wall of the side plate through bolts, and after installation, the bottom of the tensioning plate (7) is hooked with the screen hooks or screen hook plates to tension the screen mesh (3).

7. The horizontally sorting screen facilitating maintenance according to claim 1, characterized in that: The support assembly includes a support seat (6), a spring (4), and an installation seat (5); The support seat (6) is installed on the base (1), and the installation seat (5) is fixedly provided on the outer wall of the side plate; The spring (4) is vertically arranged, and the two ends of the spring (4) are respectively sleeved on the support seat (6) and the mounting seat (5). The tensioning plate (7) extends upward corresponding to the mounting seat (5) with an extension plate (701). A hole is formed in the extension plate (701), and the position where the hole is formed is higher than the mounting seat (5). The side plate is provided with a mounting hole corresponding to the round hole. When the tensioning plate (7) is locked on the side plate by bolts, the bolts can pass through the side plate from the hole to avoid the mounting seat (5).

8. The horizontal sorting screen convenient for maintenance according to claim 7, wherein: The screen mesh (3) is a metal woven mesh, and screen mesh hooks are arranged on both sides of the metal woven mesh. The tensioning plate (7) is also provided with two L-shaped pull rods (14), and an obtuse angle is formed between the short rod end and the long rod end of the L-shaped pull rod (14). The short rod end of the L-shaped pull rod (14) is provided with a thread, a block (17) is arranged at the bottom of the long rod end of the L-shaped pull rod (14), and a waist-shaped hole is formed in the block (17). Below the extension plate (701), an opening (702) is formed in the middle of the tensioning plate (7). After installation, a locking nut is screwed on the short rod end of the L-shaped pull rod (14) after passing through the opening (702), and the block (17) is fixedly installed on the side plate by bolts.

9. The horizontal sorting screen convenient for maintenance according to claim 1, wherein: The α is 20°.

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