Vibrating screen for preparing machine-made sand

Abstract

The utility model relates to the technical field of sandstone preparation, in particular to a vibrating screen for preparing machine-made sand, which comprises a box body, an upper screening component, a lower screening component, a block body, a telescopic rod, a vibrating motor and a support rod, the upper screening assembly is mounted in the box body; the upper screening assembly comprises an upper screening net, the upper screening net is connected with a partition plate, the partition plate is hollow, an opening is formed to communicate with the outside, the opening is connected with a telescopic plate, the telescopic plate is connected with a mounting base, an electric push rod is connected below the mounting base, and the driving end of the electric push rod is connected with a mounting plate which penetrates through the telescopic plate and is connected with a supporting frame. The lower screening assembly is installed in the box body and connected to the lower portion of the upper screening assembly. The mounting plate moves to drive the upper screening net, so that the distance between the upper screening net and the lower screening net is adjusted, the use function of the vibrating screen is conveniently increased, the distance between the upper screening net and the lower screening net is adjusted according to gravel, enough space is provided for secondary screening of the gravel, and the gravel screening effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand preparation technical field especially relates to a vibration screen for preparing mechanism sand. BACKGROUND

[0002] In the process of road and bridge construction, a large amount of sand and stone is needed to make concrete. With the depletion and limited mining of river sand and other natural resources, the importance of machine-made sand in engineering construction is increasingly prominent, and it will become the main source of concrete aggregate in the process of engineering construction. Machine-made sand refers to the sand processed by sand making machine and other auxiliary equipment, and the finished product is more regular. Different regular and size sand can be processed according to different process requirements, and can be well screened to meet the requirements. The vibration screen is an important equipment in this process.

[0003] The Chinese patent with publication number CN218048917U discloses a vibration screen for preparing machine-made sand, which comprises a box body, a feed hopper arranged at the top end of the box body, a discharge pipe arranged at the bottom end of the box body, a plurality of inclined screen meshes arranged in the box body, grooves arranged on the opposite side walls of the box body, the screen meshes sliding in the grooves, a vibration mechanism arranged at the high end side of the screen meshes, a discharge chute arranged at the low end of the screen meshes, and a discharge port arranged on the side wall of the box body corresponding to the discharge chute. The vibration mechanism comprises a motor, a rotating shaft and a cam. The motor is arranged at the top end of the box body, and the output shaft of the motor extends into the box body and is connected with the rotating shaft. The screen mesh maintenance and replacement are convenient and fast, and the screening effect is good.

[0004] The existing vibration screen for preparing machine-made sand is inconvenient to adjust the height of the multiple screen mesh structures in the box body, which leads to the inability to adjust the screen mesh spacing according to the amount of sand and stone, reduces the use function of the vibration screen, and causes insufficient screening space under the condition of secondary screening of sand and stone, thereby affecting the sand and stone screening effect. UTILITY MODEL CONTENTS

[0005] In view of the problems in the background art, a vibration screen for preparing machine-made sand is provided.

[0006] The utility model provides a vibration screen for preparing machine-made sand, which comprises a box body, an upper screening assembly, a lower screening assembly, a block, an extension rod, a vibration motor and a support rod.

[0007] The upper screening assembly is installed in the box body. The upper screening assembly comprises an upper screening mesh, the upper screening mesh is connected with a partition plate, the partition plate is hollow inside, an opening is arranged to communicate with the outside, the opening is connected with an extension plate, the extension plate is connected with a mounting seat, an electric push rod is connected below the mounting seat, a driving end of the electric push rod is connected with a mounting plate, the mounting plate penetrates through the extension plate and a support frame to be connected, and the support frame is connected with a guide piece.

[0008] The lower screening assembly is installed in the box body and connected below the upper screening assembly.

[0009] Preferably, the upper screening assembly and the lower screening assembly divide the box into an upper screening chamber, a lower screening chamber and a discharge chamber; the partition plate is installed on the upper screening chamber and the lower screening chamber and connected with the box.

[0010] Preferably, the support frame is connected to the upper screening chamber and the lower screening chamber; the upper screening net is connected above the support frame.

[0011] Preferably, the guide member comprises a guide plate, a connecting plate, a guide rod and a guide column.

[0012] The guide plate is provided with two and connected with the support frame, the guide plate is movably connected with the connecting plate, the connecting plate is installed on the box and connected in the upper screening chamber; the guide plate is provided with a through hole movably penetrating the connecting guide rod, the upper end of the guide rod is connected with the connecting plate; the guide column is installed between the mounting plate and the mounting seat.

[0013] Preferably, the lower screening assembly comprises a lower screening net connected inside the box, the lower screening net is connected with a plurality of vertical plates and connected with a support at one end for connecting the guide rod; the inclined end of the lower screening net is connected with a discharge box, the discharge end of the discharge box penetrates the box and is connected outside.

[0014] Preferably, the box is connected with a block, the block is connected with a telescopic rod; the box is connected with a vibration motor; the telescopic rod is connected with a support rod.

[0015] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:

[0016] The utility model discloses a box is connected with the upper screening net and mounting plate, and the mounting plate is connected with the electric push rod through the penetration adjustment area, and the electric push rod driving end makes the mounting plate move up and down, and the mounting plate moves and drives the upper screening net, makes the distance adjustment between the upper screening net and the lower screening net, is convenient for increasing the use function of the vibrating screen, reaches according to the sand and stone and adjusts the distance between the upper and lower screening nets, makes enough space for the secondary screening of sand and stone, and conveniently improves the sand screening effect, and the upper screening net is connected with the guide plate, and the guide plate is provided with a through hole and is connected with the guide rod, and the guide rod is installed through the connecting plate and the support, is convenient for guiding the upper screening net to move, and is further increased the stability through the guide column, and conveniently improves the practicability of the vibrating screen for preparing the machine-made sand. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram in the utility model;

[0018] Figure 2 It is the internal structure schematic diagram of the box in the utility model;

[0019] Figure 3 It is the upper screening assembly structure schematic diagram in the utility model;

[0020] Figure 4 It is a partition structure schematic view in the utility model;

[0021] Figure 5 It is a lower screening assembly structure schematic view in the utility model.

[0022] Fig. 1, box body; 2, upper screening assembly; 201, upper screening net; 202, partition; 203, telescopic plate; 204, mounting seat; 205, electric push rod; 206, mounting plate; 207, support frame; 208, guide plate; 209, connecting plate; 210, guide rod; 211, guide column; 3, lower screening assembly; 301, lower screening net; 302, vertical plate; 303, support; 304, discharge box; 4, block; 5, telescopic rod; 6, vibration motor; 7, support rod. DETAILED DESCRIPTION

[0023] The specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present disclosure, and are not used to limit the present disclosure.

[0024] Example one

[0025] As Figure 1 - Figure 5 The utility model discloses a kind of vibrating screens for preparing machine-made sand, box body 1, upper screening assembly 2, lower screening assembly 3, block 4, telescopic rod 5, vibration motor 6 and support rod 7;Upper screening assembly 2 is installed in box body 1 inside;Upper screening assembly 2 includes upper screening net 201, upper screening net 201 is connected partition 202, partition 202 is hollow inside, is provided with opening to communicate with outside, opening is connected telescopic plate 203, telescopic plate 203 is connected mounting seat 204, mounting seat 204 is connected electric push rod 205 below, electric push rod 205 drive end is connected mounting plate 206, mounting plate 206 is connected through telescopic plate 203 and support frame 207, support frame 207 is connected guide piece;Lower screening assembly 3 is installed in box body 1 inside and is connected below upper screening assembly 2.Through mounting seat 204 to electric push rod 205 support installation, make electric push rod 205 drive end and mounting plate 206 connect, mounting plate 206 moves through electric push rod 205, mounting plate 206 drives support frame 207, then partition 202 separates support frame 207 and electric push rod 205, and partition 202 is L shape, so that and box body 1 are connected and with telescopic plate 203 connection, telescopic plate 203 is provided with two, two telescopic plate 203 connection surface constitutes adjustment area, so that adjustment area is for mounting plate 206 to penetrate and support frame 207 is connected, mounting plate 206 moves up and down state, telescopic plate 203 is provided with two cooperation, so that it telescopes into partition 202, conveniently adjustment area is adjusted according to mounting plate 206, for the cooperation of the component of upper screening assembly 2.

[0026] Further illustrate, the upper screen assembly 2 and the lower screen assembly 3 divide the box 1 into an upper screen chamber, a lower screen chamber and a discharge chamber; the partition plate 202 is installed on the upper screen chamber and the lower screen chamber and is connected with the box 1; the support frame 207 is connected on the upper screen chamber and the lower screen chamber; the upper screen net 201 is connected above the support frame 207. The support frame 207 drives the upper screen net 201 to move in the upper screen chamber and the lower screen chamber, so as to adjust the use space of the lower screen chamber according to the sand screening requirement and the screening amount, use enough space for the secondary screening of sand, conveniently improve the use function of the vibrating screen for preparing machine-made sand, and improve the screening effect.

[0027] Further illustrate, the guide member includes a guide plate 208, a connecting plate 209, a guide rod 210 and a guide column 211; the guide plate 208 is provided with two and is connected on the support frame 207, the guide plate 208 is movably connected with the connecting plate 209, the connecting plate 209 is installed on the box 1 and is connected in the upper screen chamber; the guide plate 208 is provided with a through hole and is movably penetrated with the connecting guide rod 210, the upper end of the guide rod 210 is connected with the connecting plate 209; the guide column 211 is installed between the mounting plate 206 and the mounting seat 204. The connecting plate 209 is in inverted L shape, the upper end is used for supporting the guide rod 210, the guide rod 210 is provided with two, and the guide plate 208 is provided with a through hole, the through hole is penetrated with the guide rod 210, under the operation adjustment of the support frame 207, the guide plate 208 moves along the outer side of the guide rod 210 synchronously, so as to increase the adjustment stability of the support frame 207, and the guide column 211 is synchronously telescoped to adjust the support frame 207 in the use process of the electric push rod 205, conveniently assist the work use of the electric push rod 205, and conveniently cooperate the work use of the components of the upper screen assembly 2.

[0028] Embodiment two

[0029] As shown in Figure 1 and Figure 5 , the utility model proposes a vibrating screen for preparing machine-made sand, on the basis of the above embodiment, the embodiment still details the lower screen assembly 3, the block 4, the telescopic rod 5 and other specific components and cooperation modes.

[0030] Further illustrate, the lower screening assembly 3 includes a lower screening net 301 connected inside the box 1, the lower screening net 301 is connected with a plurality of vertical plates 302 and one end is connected with the support 303 for connecting the guide rod 210, the inclined end of the lower screening net 301 is connected with the discharge box 304, the discharge end of the discharge box 304 penetrates the box 1 and is connected outside. The vertical plate 302 is provided with a plurality of connections on the lower screening net 301, so that the channels are formed between each other, which facilitates the movement of the screened sand and gravel through the channels to the discharge box 304, and then the discharge box 304 is discharged, and the channels are provided with lower screening holes, the lower screening holes are smaller than the upper screening holes of the upper screening net 201, so that the vibrating screen can screen the sand and gravel twice, conveniently improve the screening efficiency and improve the use of the vibrating screen for preparing machine-made sand.

[0031] Further illustrate, the box 1 is connected with the block 4, the block 4 is connected with the telescopic rod 5, the box 1 is connected with the vibrating motor 6, and the telescopic rod 5 is connected with the support rod 7. The block 4 is provided with four corners connected with the box 1; the telescopic rod 5 includes a sliding rod, a sliding part, a fixed cylinder and a spring; one end of the sliding rod is hinged to the block 4, the other end of the sliding rod slides into the fixed cylinder and is connected with the sliding part; the sliding part is slidably connected with the inner wall of the fixed cylinder; the spring is located in the fixed cylinder and is sleeved on the outer side of the sliding rod, and the two ends of the spring are connected with the inner wall of the fixed cylinder and the sliding part respectively; the fixed cylinder is connected with the support rod 7, which is used for vibrating the box 1 in cooperation with the vibrating motor 6, and is convenient for the vibrating screen for preparing machine-made sand.

[0032] The working principle of the utility model is as follows: the box 1 is installed in the mounting seat 204 and the connecting plate 209, the mounting seat 204 supports the electric push rod 205, and the connecting plate 209 supports the guide rod 210; the electric push rod 205 is started, the driving end of the electric push rod 205 drives the mounting plate 206 to move up and down, the mounting plate 206 drives the support frame 207, the support frame 207 drives the upper screening net 201, the upper screening net 201 moves upward, the use space of the lower screening chamber is increased, and the upper screening net 201 moves downward, the use space of the lower screening chamber is reduced, according to the screening effect and the screening amount of sand and gravel, the use space of the lower screening chamber is adjusted, which is convenient for enough space for the secondary screening of sand and gravel, and also enough space for the sand and gravel to be added into the upper screening chamber; the vibrating motor 6 is started, sand and gravel are added into the upper screening chamber, through vibration, the upper screening holes screen the sand and gravel for the first time, the sand and gravel smaller than the upper screening holes enter the lower screening chamber, the sand and gravel not screened off stay on the upper screening net 201, and workers process them; the sand and gravel in the lower screening chamber, the sand and gravel smaller than the lower screening holes enter the lower discharge chamber, are discharged through the outlet below the box 1, the sand and gravel not screened off pass through the inclined state of the lower screening net 301 and are inclined towards the discharge box 304, so that the sand and gravel is discharged from the discharge box 304 and the box 1, and the vibrating screen screens and prepares the sand and gravel.

[0033] The embodiment of the utility model is explained in detail above in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range possessed by the technical personnel in the technical field, without departing from the utility model purposes.

Claims

1. A vibrating screen for producing manufactured sand, characterized by, The utility model relates to a screening device, including: a box (1); an upper screening assembly (2) installed inside the box (1); the upper screening assembly (2) includes an upper screening net (201), the upper screening net (201) is connected with a partition (202), the partition (202) is hollow inside, is provided with an opening to communicate with the outside, the opening is connected with a telescopic plate (203), the telescopic plate (203) is connected with a mounting seat (204), the mounting seat (204) is connected below with an electric push rod (205), the electric push rod (205) is connected with a mounting plate (206) at the driving end, the mounting plate (206) is connected through the telescopic plate (203) and a support frame (207), and the support frame (207) is connected with a guide piece; and a lower screening assembly (3) installed inside the box (1) and connected below the upper screening assembly (2).

2. The vibrating screen for producing manufactured sand according to claim 1, wherein The upper screening assembly (2) and the lower screening assembly (3) divide the box (1) into an upper screening chamber, a lower screening chamber and a discharge chamber; the partition (202) is installed on the upper screening chamber and the lower screening chamber and connected with the box (1).

3. The vibrating screen for producing manufactured sand according to claim 1, wherein The support frame (207) is connected inside the upper screening chamber and the lower screening chamber; the upper screening net (201) is connected above the support frame (207).

4. The vibrating screen for producing manufactured sand according to claim 3, wherein The guide piece includes a guide plate (208), a connecting plate (209), a guide rod (210) and a guide column (211); the guide plate (208) is provided with two, and both are connected with the support frame (207), the guide plate (208) is movably connected with the connecting plate (209), the connecting plate (209) is installed on the box (1) and connected inside the upper screening chamber; the guide plate (208) is movably penetrated through the connecting guide rod (210) and provided with a through hole, and the guide rod (210) is connected with the connecting plate (209) at the upper end; the guide column (211) is installed between the mounting plate (206) and the mounting seat (204).

5. The vibrating screen for producing manufactured sand according to claim 1, wherein The lower screening assembly (3) includes a lower screening net (301) connected inside the box (1), the lower screening net (301) is connected with a plurality of vertical plates (302) and connected with a support (303) at one end, used for connecting the guide rod (210); the inclined end of the lower screening net (301) is connected with a discharge box (304), and the discharge end of the discharge box (304) is connected with the outside through the box (1).

6. The vibrating screen for producing manufactured sand according to claim 1, wherein The box (1) is connected with a block body (4), the block body (4) is connected with a telescopic rod (5); the box (1) is connected with a vibration motor (6); the telescopic rod (5) is connected with a support rod (7).

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