Screening structure for grinding balls

Abstract

The utility model discloses a screening structure for grinding balls, and mainly relates to the field of grinding ball screening. Comprising a screening box, a feeding hopper is arranged at the top of the screening box, a plurality of discharging openings are formed in the side face of the screening box, an inclined discharging plate is arranged below the feeding hopper, a plurality of screening rods are rotationally connected to the side face of the discharging plate, a supporting rod is arranged in the screening box, one ends of the screening rods make contact with the top of the supporting rod, and the other ends of the screening rods make contact with the top of the supporting rod. And positioning columns matched with the screening rods for use are arranged on the supporting rods, and a plurality of partition plates are slidably connected to the positions, located below the screening rods, in the screening box. The abrasion grinding ball screening device has the advantages that the technical problem that abrasion grinding balls of different sizes cannot be screened conveniently can be solved, the requirement for screening the abrasion grinding balls of different sizes is met by adjusting the distance between every two adjacent screening rods, and the efficiency and convenience of screening the abrasion grinding balls are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of grinding ball screening, in particular to a screening structure of grinding ball. BACKGROUND

[0002] The grinding machine for grinding cement raw materials needs to use grinding balls as grinding medium, some grinding balls may have large wear after long-term use, which reduces the grinding effect, since the number of grinding balls is large, it is difficult to screen out grinding balls with small size from numerous grinding balls, and the size of grinding balls also has size difference, which further increases the difficulty of screening, and the screening efficiency and convenience of screening worn grinding balls need to be further optimized. SUMMARY

[0003] The utility model discloses a kind of screening structures of grinding ball, it can solve the technical problem that different size worn grinding ball is not screened conveniently, the demand of different size worn grinding ball screening is adapted by adjusting the spacing of adjacent screening rods, greatly improve the efficiency and convenience of worn grinding ball screening.

[0004] The utility model discloses a kind of screening structures of grinding ball, it can solve the technical problem that different size worn grinding ball is not screened conveniently, the demand of different size worn grinding ball screening is adapted by adjusting the spacing of adjacent screening rods, greatly improve the efficiency and convenience of worn grinding ball screening.

[0005] A kind of screening structure of grinding ball, including screening box, the top of the screening box is equipped with feed hopper, the side of the screening box is equipped with multiple discharge ports, the lower portion of the feed hopper is equipped with inclined blanking plate, the side of the blanking plate is rotatably connected with multiple screening rods, the screening box is equipped with support rod, the one end of multiple screening rods is in contact with the top of support rod, the support rod is equipped with the positioning column that cooperates with screening rod, multiple partition plates are slidably connected in the position below screening rod in the screening box.

[0006] Further, the support rod is slidably connected with multiple first sliding blocks, the screening rod is slidably connected with second sliding block, the first sliding block is rotatably connected with second sliding block, and the positioning column is arranged at the bottom of the first sliding block.

[0007] Further, the positioning column is threadedly connected at the bottom of the first sliding block, the end of the positioning column is equipped with nut, and the nut is in contact with the support rod.

[0008] Further, the two sides in the screening box are symmetrically equipped with guide strips, the two sides of the partition plate are symmetrically equipped with guide slot slidably connected with the guide strip, and the screening box is equipped with limiting rod cooperated with the partition plate.

[0009] Furthermore, the side wall of the screening box is provided with a through sliding hole, and the limiting rod passes through the sliding hole and is threadedly connected to the partition plate. The end of the limiting rod is provided with an end block, and the end block contacts the side wall of the screening box.

[0010] Furthermore, the feed hopper is funnel-shaped, wider at the top and narrower at the bottom.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. The structure of this utility model features an inclined discharge plate inside the screening box, with multiple screening rods rotatably connected to the side of the discharge plate. The screening box is equipped with support rods that cooperate with the ends of the screening rods, and positioning pins that cooperate with the screening rods. This structure changes the spacing between adjacent screening rods by rotating the screening rods, and the positioning pins fix the rotated screening rods. This allows grinding balls of different sizes to fall downwards at different spacing positions when they roll from the discharge plate between adjacent screening rods, thus smoothly screening out the grinding balls that have shrunk in size after wear. It can also meet the screening needs of grinding balls of different sizes, greatly improving the convenience and efficiency of screening.

[0013] 2. Multiple partition plates are slidably connected below the screening rod inside the screening box. The partition plates divide the interior of the screening box into multiple storage chambers. Grinding balls that fall into each storage chamber can be discharged from the discharge port, thereby distinguishing different grinding balls and facilitating different subsequent processing of the grinding balls. The structure is simple. By sliding and adjusting the position of the partition plates, the size of the grinding balls falling into the storage chamber can be controlled, further improving the accuracy of screening control of the size of the grinding balls. Attached Figure Description

[0014] Appendix Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Appendix Figure 2 This is the right view of this utility model.

[0016] Appendix Figure 3 This is an appendix to this utility model. Figure 2 A cross-sectional view along the AA direction.

[0017] Appendix Figure 4 This is an appendix to this utility model. Figure 3 A cross-sectional view along the BB direction.

[0018] Appendix Figure 5 This is an appendix to this utility model. Figure 3 A cross-sectional view along the CC direction.

[0019] The labels shown in the attached diagram:

[0020] 1, screening box; 2, feed hopper; 3, discharge port; 4, blanking plate; 5, screening rod; 6, support rod; 7, positioning column; 8, partition plate; 9, first sliding block; 10, second sliding block; 11, nut; 12, guide bar; 13, guide groove; 14, limiting rod; 15, sliding hole; 16, end block. DETAILED DESCRIPTION

[0021] The utility model will be further explained below in combination with specific embodiments. It should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the present application.

[0022] Reference Figure 1 and Figure 2The utility model relates to a kind of screening structure of grinding ball, main body structure includes screening box 1, screening box 1 is generally made of metal material, ensure enough structural strength, ensure the stability when grinding ball is rolled and screened inside, the top of screening box 1 is equipped with feed hopper 2, grinding ball needing screening treatment enters screening box 1 from feed hopper 2, the side of screening box 1 is equipped with multiple discharge ports 3, and different sizes of grinding ball after screening treatment are discharged from different discharge ports 3, to carry out accurate screening to the size of grinding ball, it is convenient to accurately distinguish control for different sizes of grinding ball, the lower portion of feed hopper 2 is equipped with inclined blanking plate 4, blanking plate 4 is fixed on the side wall of screening box 1 by welding or bolt, so that the grinding ball entering from feed hopper 2 moves downward along inclined blanking plate 4, the side of blanking plate 4 is rotatably connected with multiple screening rods 5 by pin shaft or hinge, the interval between adjacent screening rods 5 gradually increases when screening rod 5 rotates, so that the grinding ball rolling off from blanking plate 4 can drop at different intervals, realize that different sizes of grinding ball drop at different positions in the length direction of screening rod 5, to realize the quick screening operation of different sizes of grinding ball, support rod 6 is fixed in screening box 1 by welding or bolt, one end of multiple screening rods 5 is in contact with the top of support rod 6, and support rod 6 is used to support the free end of screening rod 5, ensure the firmness of the structure of screening rod 5, positioning column 7 used in cooperation with screening rod 5 is equipped on support rod 6, and the position of screening rod 5 is fixed using positioning column 7 after rotating a certain angle, ensure the accuracy of screening interval control, multiple partition plates 8 are slidably connected in the position below screening rod 5 in screening box 1, and the interior of screening box 1 is divided into multiple storage cavities by partition plate 8, and different sizes of grinding ball drop in different storage cavities respectively, each storage cavity corresponds one discharge port 3, and the size range of dropped grinding ball can be controlled by sliding partition plate 8, to improve the accuracy of screening control for different sizes of grinding ball.

[0023] Preferably, referring to Figure 3 , multiple first sliding blocks 9 are slidably connected on support rod 6, and second sliding block 10 is slidably connected on screening rod 5, and specifically, vertical sliding groove is arranged on support rod 6 and screening rod 5, and the sliding direction of first sliding block 9 and second sliding block 10 is vertical, and both are slidably connected in vertical sliding groove, first sliding block 9 and second sliding block 10 are rotatably connected by pin shaft or hinge, and positioning column 7 is arranged at the bottom of first sliding block 9, and such structure can drive screening rod 5 to rotate under the drive of second sliding block 10 by sliding first sliding block 9, and second sliding block 10 slides on screening rod 5 in this process, and the rotatable connection state of first sliding block 9 and second sliding block 10 is maintained, and then the position of first sliding block 9 is fixed using positioning rod, to improve the convenience and stability of sliding control for screening rod 5.

[0024] Preferably, referring to Figure 5 , the positioning column 7 is threadedly connected at the bottom of the first sliding block 9, and the end of the positioning column 7 is fixed with a nut 11 by welding or bolting, and the nut 11 is in contact with the supporting rod 6. Such a structure only needs to rotate the positioning column 7 to make the nut 11 at the end in contact with the supporting rod 6 for clamping, so as to accurately fix the position of the first sliding block 9, and the structure is simple, and the position of the first sliding block 9 and the screening rod 5 is more accurately and stably limited and fixed.

[0025] Preferably, the two sides inside the screening box 1 are symmetrically provided with guide strips 12 fixed by welding or bolting, and the two sides of the partition plate 8 are symmetrically provided with guide grooves 13 in sliding connection with the guide strips 12. The sliding cooperation of the guide strips 12 and the guide grooves 13 makes the sliding structure of the partition plate 8 more stable, and the screening box 1 is provided with a limiting rod 14 matched with the partition plate 8 for use, and the limiting rod 14 is used for fixing the partition plate 8 after sliding, further ensuring the firmness of the position of the partition plate 8 after sliding.

[0026] Preferably, referring to Figure 4 , the side wall of the screening box 1 is provided with a sliding hole 15 penetrating through, and the limiting rod 14 is threadedly connected with the partition plate 8 after penetrating through the sliding hole 15, and the end of the limiting rod 14 is fixed with an end block 16 by welding or bolting, and the end block 16 is in contact with the side wall of the screening box 1. Such a structure rotates the limiting rod 14 after the partition plate 8 slides, so that the end block 16 at the end is in contact with the side wall of the screening box 1 for clamping, so as to realize the contact clamping limiting of the limiting rod 14 and the side wall of the screening box 1, so that the partition plate 8 cannot continue to slide, the structure is simple, and the position of the partition plate 8 after sliding is more conveniently and firmly controlled.

[0027] Preferably, the feeding hopper 2 is funnel-shaped with a wide upper part and a narrow lower part, so that the grinding balls are more concentrated and smooth when falling from the feeding hopper 2, and the smoothness of the grinding ball screening operation is ensured.

[0028] Working principle: the utility model discloses the structure is through being provided with the inclined blanking plate 4 in the inside of screening box 1, the side of blanking plate 4 is rotatably connected with a plurality of screening rods 5, is equipped with the support pole 6 of cooperation screening rod 5 end use in screening box 1, is equipped with the positioning column 7 of cooperation screening rod 5 use on support pole 6, such structure changes the spacing between adjacent screening rod 5 by rotating screening rod 5, and utilizes positioning column 7 to fix the screening rod 5 after rotating, so that the grinding ball of different size can drop down in different spacing position when rolling down from blanking plate 4 to adjacent screening rod 5, thereby successfully screening out the grinding ball of small size after wearing, can also satisfy the screening demand of different size grinding ball, greatly improve the convenience and screening efficiency of screening, the utility model discloses the position of sliding connection with a plurality of partition plates 8 in screening box 1 below screening rod 5, the inside of screening box 1 is separated into a plurality of storage cavities by partition plate 8, and the grinding ball falling in each storage cavity can be discharged from discharge gate 3, thereby distinguishing the different grinding ball screened, is convenient for the subsequent processing of different grinding ball, simple structure, the size of the grinding ball falling in the storage cavity can be controlled by sliding adjustment the position of partition plate 8, further improves the accuracy of screening control to the size of grinding ball.

Claims

1. A screening structure of grinding balls, comprising a screening box (1), the top of the screening box (1) is provided with a feeding hopper (2), the side of the screening box (1) is provided with a plurality of discharge ports (3), characterized in that: The lower part of the feeding hopper (2) is provided with an inclined blanking plate (4), the side of the blanking plate (4) is rotationally connected with a plurality of screening rods (5), the screening box (1) is provided with a supporting rod (6), one end of the plurality of screening rods (5) is in contact with the top of the supporting rod (6), the supporting rod (6) is provided with a positioning column (7) matched with the screening rod (5), a plurality of partition plates (8) are slidably connected to the position below the screening rod (5) in the screening box (1).

2. A sieve structure for grinding balls according to claim 1, characterized in that: A plurality of first sliding blocks (9) are slidably connected to the supporting rod (6), second sliding blocks (10) are slidably connected to the screening rod (5), the first sliding block (9) is rotationally connected with the second sliding block (10), and the positioning column (7) is arranged at the bottom of the first sliding block (9).

3. A sieve structure for grinding balls according to claim 2, characterized in that: The positioning column (7) is threadedly connected to the bottom of the first sliding block (9), the end of the positioning column (7) is provided with a nut (11), and the nut (11) is in contact with the supporting rod (6).

4. The sieve structure of grinding balls according to claim 1, characterized in that: The two sides of the inside of the screening box (1) are symmetrically provided with guide strips (12), the two sides of the partition plate (8) are symmetrically provided with guide grooves (13) slidably connected with the guide strips (12), and the screening box (1) is provided with a limiting rod (14) matched with the partition plate (8).

5. A sieve structure for grinding balls according to claim 4, characterized in that: The side wall of the screening box (1) is provided with a sliding hole (15) penetrating through, the limiting rod (14) is threadedly connected with the partition plate (8) after penetrating through the sliding hole (15), the end of the limiting rod (14) is provided with an end block (16), and the end block (16) is in contact with the side wall of the screening box (1).

6. The sieve structure of grinding balls according to claim 1, characterized in that: The feeding hopper (2) is a funnel-shaped structure with a wide upper part and a narrow lower part.

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