A square hole sand and gravel screen material distribution device

Abstract

The utility model discloses a square hole gravel screen material distribution device, including a U-shaped mounting frame, wherein a square hole screen plate with a decreasing aperture is arranged inside the U-shaped mounting frame from top to bottom, a cross plate is fixedly installed at the top of the U-shaped mounting frame, a hopper is fixedly installed at the middle of the top of the cross plate, and buffers are fixedly installed on both sides of the bottom of the cross plate. The utility model can evenly distribute the gravel dropped from the hopper on the surface of the square hole screen plate through the cooperation of the installed buffer and the conical powder block, on the one hand, avoiding the impact of the gravel on the top square hole screen plate, and on the other hand, evenly distributing the material on the surface of the square hole screen plate, improving the screening effect, the square screen plate is connected by a connecting block, the side of the connecting block is provided with a sleeve rod, a sleeve and a reset spring, and the other side of the connecting block is provided with a push rod, and the reciprocating movement of the screen is realized by the reciprocating movement of the push rod, which effectively improves the efficiency of gravel screening.

Description

Technical Field

[0001] The utility model relates to the technical field of sand and gravel screening, in particular to a square hole sand and gravel screening material distribution device. Background Art

[0002] At present, in the field of construction, in order to improve the product quality of building mortar, it is necessary to screen the sand and gravel of the mortar raw materials to remove larger particles in the sand and gravel and to improve the uniformity of the sand and gravel, thereby improving the quality of the mortar.

[0003] After searching, it was found that according to the patent number "CN213893729U", a classification silo for recycled sand and gravel is disclosed, including a silo body, inside of which are placed fine sand and gravel chambers and coarse sand and gravel chambers with openings facing upward, a screening device is provided above the fine sand and gravel chamber, and the screening device includes an upper screening plate rotatably connected to the fine sand and gravel chamber at one end; the sand and gravel aggregates entering the silo body can be divided into two categories: fine sand and gravel and coarse sand and gravel, thereby facilitating the use of fine sand and gravel and coarse sand and gravel by the next user and reducing labor.

[0004] During the above-mentioned sand and gravel screening process, we found that the bottom of the hopper was directly aligned with the screen. During the material discharge process, the material had a greater impact on the screen. At the same time, the area where the material fell was limited, causing the material to pile up and affect the screening. For this reason, we designed a square-hole sand and gravel screen feeding device. Utility Model Content

[0005] The utility model aims to provide a square hole sand and gravel screen material distribution device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a square-hole sand and gravel screen distribution device, comprising a U-shaped mounting frame, the interior of the U-shaped mounting frame is provided with square-hole sieve plates with decreasing apertures from top to bottom, a cross plate is fixedly mounted on the top of the U-shaped mounting frame, a hopper is fixedly mounted on the middle of the top of the cross plate, buffers are fixedly mounted on both sides of the bottom end of the cross plate, and conical material dividing blocks are fixedly mounted on the bottom ends of the two buffers.

[0007] Preferably, a plurality of rectangular through slots are equidistantly provided on both sides of the U-shaped mounting frame, and connecting blocks are inserted into the interiors of the plurality of rectangular through slots, and the connecting blocks are fixedly connected to both sides of the inner wall of the square hole-type sieve plate by locking bolts.

[0008] Preferably, a sleeve is fixedly installed on one side of the inner wall of the rectangular through groove, the interior of the sleeve is sleeved and connected with a sleeve rod, one end of the sleeve rod is fixedly connected to the side of the connecting block, and a return spring is fixedly installed inside the sleeve, one end of the return spring is fixedly connected to the end of the sleeve rod.

[0009] Preferably, a push rod is fixedly connected to the other side of the connecting block, a control box is fixedly provided on the back of the U-shaped mounting frame, a rectangular block is nested inside the control box, and one end of the two push rods extends to the inside of the control box and is fixedly connected to the two corners of the side of the rectangular block.

[0010] Preferably, a slide groove is provided at the bottom end of the control box, the rectangular block is slidably connected to the slide groove, a tooth groove is provided at the top of the rectangular block, a drive motor is fixedly installed at the top of the control box, an incomplete gear is fixedly installed on the output shaft of the drive motor, and the incomplete gear is meshingly connected to the tooth groove.

[0011] Preferably, a plurality of heat dissipation holes are opened on the side of the control box, and dustproof nets are fixedly installed inside the plurality of heat dissipation holes.

[0012] Technical effects and advantages of the utility model:

[0013] 1. Through the cooperation of the installed buffer and the conical dividing block, the sand and gravel falling from the hopper can be evenly distributed on the surface of the square hole sieve plate. On the one hand, it avoids the impact of sand and gravel on the top square hole sieve plate, and on the other hand, it can evenly distribute the material on the surface of the square hole sieve plate to improve the screening effect.

[0014] 2. The square screen plate is connected by a connecting block. A sleeve rod, a sleeve and a return spring are arranged on the side of the connecting block. A push rod is arranged on the other side of the connecting block. The reciprocating movement of the push rod realizes the reciprocating movement of the screen, which effectively improves the sand and gravel screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a structural schematic diagram of a square hole sand and gravel screen material distribution device.

[0016] Figure 2 The utility model is a schematic diagram of the connection structure between a square hole sieve plate and a U-shaped mounting frame of a square hole sand and gravel sieve distribution device.

[0017] Figure 3 The utility model is a schematic diagram of the meshing structure of an incomplete gear and a tooth groove of a square hole sand and gravel screen material distribution device.

[0018] Figure 4 The utility model is a schematic diagram of the structure of a conical material distribution block of a square hole sand and gravel screen material distribution device.

[0019] In the figure: 1. U-shaped mounting frame; 2. square hole sieve plate; 3. horizontal plate; 4. hopper; 5. control box; 6. rectangular through slot; 7. sleeve rod; 8. connecting block; 9. push rod; 10. locking bolt; 11. rectangular block; 12. tooth groove; 13. sleeve; 14. return spring; 15. incomplete gear; 16. drive motor; 17. buffer; 18. conical dividing block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model provides Figure 1-4 A square hole sand and gravel screen material distribution device is shown, comprising a U-shaped mounting frame 1, wherein the interior of the U-shaped mounting frame 1 is provided with square hole sieve plates 2 with decreasing apertures from top to bottom, a cross plate 3 is fixedly mounted on the top of the U-shaped mounting frame 1, a hopper 4 is fixedly mounted on the middle of the top of the cross plate 3, buffers 17 are fixedly mounted on both sides of the bottom end of the cross plate 3, and conical material dividing blocks 18 are fixedly mounted on the bottom ends of the two buffers 17.

[0022] Specifically, through the cooperation of the installed buffer 17 and the conical dividing block 18, the sand and gravel falling from the hopper 4 can be evenly distributed on the surface of the square hole sieve plate 2. On the one hand, it avoids the impact of sand and gravel on the top square hole sieve plate 2, and on the other hand, it can evenly distribute the material on the surface of the square hole sieve plate 2 to improve the screening effect.

[0023] according to Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the utility model relates to a square hole gravel screen material distribution device, a plurality of rectangular through slots 6 are equidistantly provided on both sides of a U-shaped mounting frame 1, and connecting blocks 8 are inserted into the interiors of the plurality of rectangular through slots 6, and the connecting blocks 8 are fixedly connected to both sides of the inner wall of the square hole screen plate 2 by locking bolts 10.

[0024] Specifically, the connection block 8 is conveniently connected to the square hole sieve plate 2 by means of the locking bolts 10 .

[0025] A sleeve 13 is fixedly installed on one side of the inner wall of the rectangular through groove 6, and a sleeve rod 7 is sleeved inside the sleeve 13, one end of the sleeve rod 7 is fixedly connected to the side of the connecting block 8, and a return spring 14 is fixedly installed inside the sleeve 13, and one end of the return spring 14 is fixedly connected to the end of the sleeve rod 7.

[0026] Specifically, the sleeve rod 7 is pushed to reset by the reset spring 14, and the sleeve rod 7 is pushed to reset the connecting block 8 by the reset.

[0027] A push rod 9 is fixedly connected to the other side of the connecting block 8, and a control box 5 is fixedly provided on the back of the U-shaped mounting frame 1. A rectangular block 11 is nested inside the control box 5. One end of the two push rods 9 extends to the inside of the control box 5 and is fixedly connected to the two corners of the side of the rectangular block 11.

[0028] Specifically, the push rod 9 is driven to move by the movement of the rectangular block 11 , and the push rod 9 pushes the movement of the connecting block 8 .

[0029] A slide groove is provided at the bottom end of the control box 5, and the rectangular block 11 is slidably connected to the slide groove. A tooth groove 12 is provided at the top of the rectangular block 11. A drive motor 16 is fixedly installed at the top of the control box 5, and an incomplete gear 15 is fixedly installed on the output shaft of the drive motor 16, and the incomplete gear 15 is meshingly connected to the tooth groove 12.

[0030] Specifically, the driving motor 16 drives the incomplete gear 15 to rotate, and the incomplete gear 15 drives the rectangular block 11 to move.

[0031] A plurality of heat dissipation holes are provided on the side of the control box 5 , and dustproof nets are fixedly installed inside the plurality of heat dissipation holes.

[0032] Specifically, the heat dissipation holes on the side of the control box 5 facilitate heat dissipation of the drive motor 16 inside the control box 5 .

[0033] Working principle of the utility model: when using the sand and gravel screening device, first turn on the power supply, turn on the driving motor 16, drive the incomplete gear 15 to rotate through the driving motor 16, and the incomplete gear 15 is engaged with the tooth groove 12 to drive the rectangular block 11 to move, and the push rod 9 is driven by the movement of the rectangular block 11 to push the connecting block 8 to move, and the connecting block 8 moves to squeeze the push rod 9, and the reset spring 14 inside the sleeve 13 is in a compressed state. When the incomplete gear 15 and the tooth groove 12 are in a separated state, the connecting block 8 and the rectangular block 11 are reset by the thrust of the reset spring 14, and the reciprocating movement of the square hole type sieve plate 2 is realized, and the sand and gravel move downward through the hopper 4, and evenly fall on the square hole type sieve plate 2 through the conical dividing block 18 for screening.

[0034] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A square hole gravel screen material distribution device, comprising a U-shaped mounting frame (1), characterized in that: The U-shaped mounting frame (1) is provided with a square hole-type sieve plate (2) with a decreasing aperture from top to bottom, a transverse plate (3) is fixedly mounted on the top of the U-shaped mounting frame (1), a hopper (4) is fixedly mounted in the middle of the top of the transverse plate (3), buffers (17) are fixedly mounted on both sides of the bottom of the transverse plate (3), and conical material distribution blocks (18) are fixedly mounted at the bottom ends of the two buffers (17).

2. A square hole sand and gravel screen material distribution device according to claim 1, characterized in that: A plurality of rectangular through slots (6) are equidistantly provided on both sides of the U-shaped mounting frame (1), and connecting blocks (8) are inserted into the interiors of the plurality of rectangular through slots (6). The connecting blocks (8) are fixedly connected to both sides of the inner wall of the square hole-type sieve plate (2) via locking bolts (10).

3. A square hole sand and gravel screen material distribution device according to claim 2, characterized in that: A sleeve (13) is fixedly mounted on one side of the inner wall of the rectangular through slot (6); a sleeve rod (7) is sleeved and connected inside the sleeve (13); one end of the sleeve rod (7) is fixedly connected to the side surface of the connecting block (8); a return spring (14) is fixedly mounted inside the sleeve (13); one end of the return spring (14) is fixedly connected to the end of the sleeve rod (7).

4. A square hole sand and gravel screen material distribution device according to claim 3, characterized in that: A push rod (9) is fixedly connected to the other side of the connection block (8); a control box (5) is fixedly provided on the back of the U-shaped mounting frame (1); a rectangular block (11) is nested inside the control box (5); one end of the two push rods (9) extends to the inside of the control box (5) and is fixedly connected to the two corners of the side of the rectangular block (11).

5. A square hole sand and gravel screen material distribution device according to claim 4, characterized in that: A slide groove is provided at the bottom end of the control box (5), the rectangular block (11) is slidably connected to the slide groove, a tooth groove (12) is provided at the top end of the rectangular block (11), a drive motor (16) is fixedly installed at the top end of the control box (5), an incomplete gear (15) is fixedly installed on the output shaft of the drive motor (16), and the incomplete gear (15) is meshedly connected to the tooth groove (12).

6. A square hole sand and gravel screen material distribution device according to claim 5, characterized in that: A plurality of heat dissipation holes are provided on the side of the control box (5), and dustproof nets are fixedly installed inside the plurality of heat dissipation holes.

Images