Mineral powder multi-stage screening and separating device

Abstract

The utility model discloses a mineral powder multistage screening and separating device, which relates to the technical field of mineral powder processing, and comprises a rack, adjusting devices are symmetrically arranged at the upper end of the inner side of the rack, a vibration device is arranged on the left side of the upper end of the rack, the vibration device comprises a fixing plate, the fixing plate is fixed on the rack, a vibration plate is connected on the fixing plate in a sliding manner, and the adjusting devices are arranged on the fixing plate. A vibrating plate is arranged on the right end of the vibrating device, a screening box device is hinged to the vibrating plate, the screening box device is connected to the adjusting device in a rolling mode, a screening guide plate device is arranged at the right end of the screening box device, and a material receiving box is arranged below the screening box device and the screening guide plate device. The adjusting device drives the screening box device to vibrate longitudinally, meanwhile, the gradient of the screening box device is adjusted, discharging of the screening box device is facilitated, multi-stage screening separation is achieved in cooperation with the screening guide plate device, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of mineral powder processing, and specifically relates to a multi-stage screening and separating device for mineral powder. BACKGROUND

[0002] The production process of mineral powder is a multi-step process, mainly including raw material beneficiation, crushing, grinding, screening, drying, packaging and storage and other processes. The screening process passes through screening equipment, such as a vibrating screen, to perform multi-stage screening on the ground mineral material, screen out mineral powder meeting the particle size requirement, and separate large-particle minerals and impurities.

[0003] A high-efficiency ore separating vibrating screen is disclosed in Chinese Patent No. CN202322809739.4, which comprises a screening box, a feed hopper fixedly installed at the top of the screening box, a limiting groove symmetrically formed in the feed hopper, a movable column movably installed in the limiting groove, an activity plate fixedly installed between the two movable columns, a sliding groove symmetrically formed in the feed hopper below the limiting groove, a sliding block slidably installed in the sliding groove and rotating with the activity plate, a threaded rod rotatably installed in one of the sliding grooves, and the threaded rod penetrating through the sliding block and the feed hopper at both ends. The device can control the speed of feeding, prevent clogging during screening of ore, and enable efficient vibration separation of ore, thereby accelerating work efficiency. In addition, the overall device can separate and collect large ore, small-particle ore and sand particles during screening of ore. However, the above-mentioned device can only vibrate up and down, has poor screening and separating effect, and has difficulty in discharging. Large-particle materials are retained or stuck on the screen plate, affecting subsequent separation work and reducing work efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems in the above background technology, and provides a multi-stage screening and separating device for mineral powder, which sets an adjusting device for the screening device, switches the working mode of screening and separating and discharging, and improves the screening and separating effect and work efficiency.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows:

[0006] The utility model provides a kind of ore powder multistage screening separation device, including rack, the inside upper end of the rack is symmetrically provided with adjusting device, vibration device is provided on the left side of the upper end of rack, the vibration device includes fixed plate, fixed plate is fixed on rack, slidingly connected with vibration plate on fixed plate, hinged with screening box device on vibration plate, screening box device is connected on adjusting device and rolls, the right end of the screening box device is provided with screening guide plate device, the screening box device and screening guide plate device are provided with receiving bin below, add ore powder to screening box device, vibration device drives screening box device to carry out transverse vibration, adjusting device not only can drive screening box device to carry out longitudinal vibration, but also can adjust the inclination of screening box device, facilitate screening box device discharge, ore powder is discharged from screening box device and falls on screening guide plate device to carry out secondary screening separation, and screened ore powder finally falls into receiving bin.

[0007] As a further setting of the above scheme, the adjusting device includes an L-shaped support plate, the L-shaped support plate includes a vertical plate arranged vertically, the vertical plate is fixedly connected to the rack at the upper end, a horizontal plate arranged horizontally is fixed to the lower end of the vertical plate, a fixed shaft is arranged at the left end of the inner side of the vertical plate, an adjusting plate is rotatably connected to the fixed shaft, spring devices are uniformly arranged at the lower end surface of the adjusting plate, the spring devices are fixedly connected to the horizontal plate at the lower end, a universal joint is arranged at the right end of the adjusting plate, a vertically downward pull rope is arranged on the universal joint, a pull rope device is connected to the lower end of the pull rope, and the pull rope device is fixedly connected to the horizontal plate.

[0008] As a further setting of the above scheme, a sliding rail is arranged on the fixed plate, the sliding rail is slidingly connected to the vibration plate, a rotating support is arranged at the lower end of the vibration plate, a vibration motor is arranged on the fixed plate, the vibration motor is drivingly connected to the vibration plate, and the vibration motor drives the vibration plate to vibrate transversely on the sliding rail.

[0009] As a further setting of the above scheme, the screening box device includes a screening box, a feeding port is arranged at the upper end of the screening box, a first sieve plate is arranged at the lower end of the screening box, a discharging guide plate is fixedly connected to the lower end of the first sieve plate, a hinge shaft is arranged at the left end of the screening box, and the hinge shaft is hingedly connected to the rotating support, a discharging guide plate is arranged at the lower side of the right end of the screening box, and a lifting cylinder is connected to the discharging guide plate.

[0010] As a further setting of the above scheme, rotatingly connected rollers are symmetrically arranged on the front and rear sidewalls of the screening box, and the rollers are in rolling contact with the adjusting plate.

[0011] As a further setting of the above scheme, the screening guide plate device includes a screening guide plate box, an inclined screening inclined plate is arranged in the screening guide plate box, the receiving bin includes a first receiving compartment, a second receiving compartment and a third receiving compartment, the first receiving compartment is located below the screening box device, the second receiving compartment is located below the screening inclined plate, and the third receiving compartment is located below the lower end of the screening inclined plate.

[0012] The utility model has the advantages of the following:

[0013] The ore powder is added into the screening box device, the vibration device drives the screening box device to vibrate horizontally, the adjusting device drives the screening box device to vibrate longitudinally, the screening and separation effect is improved, the inclination of the screening box device is adjusted, the screening box device is convenient to discharge, the ore powder is prevented from being blocked, the ore powder discharged from the screening box device falls onto the screening guide plate device to be screened and separated again, the ore powder of different particle sizes after screening finally falls into the material collecting box, multi-stage screening and separation are realized, and production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the appearance schematic view of the utility model;

[0015] Figure 2 It is the side view of the utility model;

[0016] Figure 3 It is the structure schematic view of the vibration device and the adjusting device of the utility model;

[0017] Figure 4 It is the structure schematic view of the adjusting device of the utility model;

[0018] Figure 5 It is the structure schematic view of the screening box device of the utility model;

[0019] Figure 6 It is the cross section schematic view of the screening box device of the utility model;

[0020] Figure 7 It is the structure schematic view of the screening guide plate device of the utility model.

[0021] 1, rack, 2, adjusting device, 3, vibration device, 4, screening box device, 5, screening guide plate device, 6, material collecting box, 201, L type support plate, 2011, riser, 2012, horizontal plate, 202, fixed shaft, 203, adjusting plate, 204, spring device, 205, pull rope device, 2051, universal joint, 2052, pull rope, 2053, tensioning device, 301, fixed plate, 302, sliding rail, 303, vibration plate, 304, vibration motor, 305, rotating support, 401, screening box, 402, feed inlet, 403, first screen plate, 404, blanking guide plate, 405, hinge shaft, 406, discharge guide plate, 407, lifting cylinder, 408, baffle device, 409, roller, 501, screening guide plate box, 502, screening inclined plate, 601, first material collecting grid, 602, second material collecting grid, 603, third material collecting grid. DETAILED DESCRIPTION

[0022] In order to enable personnel in the technical field to better understand the scheme of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work should fall within the scope of protection of the present application.

[0023] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described below in detail with reference to the drawings and in combination with the embodiments. Figures 1-7 The present application will be described in detail below.

[0024] As shown in Figure 1 , Figure 2 , a multi-stage screening and separating device for mineral powder is provided. The inside upper end of the rack 1 is symmetrically provided with an adjusting device 2. The left side of the upper end of the rack 1 is provided with a vibrating device 3. The vibrating device 3 includes a fixed plate 301 fixed on the rack 1. The fixed plate 301 is slidingly connected with a vibrating plate 303. The vibrating plate 303 is hingedly connected with a screening box device 4. The screening box device 4 is rollingly connected with the adjusting device 2. The right end of the screening box device 4 is provided with a screening guide plate device 5. The lower part of the screening box device 4 and the screening guide plate device 5 is provided with a material collecting box 6.

[0025] As shown in Figure 3 , Figure 4 , the adjusting device 2 includes an L-shaped support plate 201. The L-shaped support plate 201 includes a vertical plate 2011 arranged vertically. The upper end of the vertical plate 2011 is fixedly connected with the rack 1. The lower end of the vertical plate 2011 is fixedly connected with a horizontal plate 2012 arranged horizontally. The inner left end of the vertical plate 2011 is provided with a fixed shaft 202. The fixed shaft 202 is rotatably connected with an adjusting plate 203. The lower end surface of the adjusting plate 203 is uniformly provided with a spring device 204. The lower end of the spring device 204 is fixedly connected with the horizontal plate 202. The right end of the adjusting plate 203 is provided with a universal joint 2051. The universal joint 2051 is provided with a vertically downward pull rope 2052. The lower end of the pull rope 2052 is connected with a pull rope device 2053. The pull rope device 2053 is fixedly connected with the horizontal plate 2012. The fixed plate 301 is provided with a sliding rail 302. The sliding rail 302 is slidingly connected with the vibrating plate 303. The lower end of the vibrating plate 303 is provided with a rotating support 305. The fixed plate 301 is provided with a vibrating motor 304. The vibrating motor 304 is drivingly connected with the vibrating plate 303. The vibrating motor 304 drives the vibrating plate 303 to vibrate horizontally on the sliding rail 302.

[0026] As shown in Figure 5 , Figure 6As shown, the screening box device 4 includes a screening box 401, the upper end of the screening box 401 is provided with a feeding port 402, the lower end of the screening box 401 is provided with a first sieve plate 403, the lower end of the first sieve plate 403 is fixedly connected with a discharging guide plate 404, the left end of the screening box 401 is provided with a hinge shaft 405, the hinge shaft 405 is hinged with the rotating support 305, the lower side of the right end of the screening box 401 is provided with a discharging guide plate 406, the discharging guide plate 406 is provided with a lifting cylinder 407, the lifting cylinder 407 is connected with a baffle device 408, the front and rear sidewalls of the screening box 401 are symmetrically provided with rotatingly connected rollers 409, the rollers 409 are in rolling contact with the adjusting plate 203.

[0027] As shown in the figure, Figure 7 The screening guide plate device 5 includes a screening guide plate box 501, the screening guide plate box is provided with a downwardly inclined screening inclined plate 502, the collecting box 6 includes a first collecting compartment 601, a second collecting compartment 602 and a third collecting compartment 603, the first collecting compartment 601 is located below the screening box device 4, the second collecting compartment 602 is located below the screening inclined plate 502, and the third collecting compartment 603 is located below the lower end of the screening inclined plate 502.

[0028] The working process of the utility model is as follows: the mineral powder is added into the screening box device 4, the vibration motor 304 drives the vibration plate 303 to vibrate transversely on the sliding rail 302, drives the screening box device 4 to roll on the adjusting plate 203, at this time, under the action of the spring device 204, the adjusting plate 203 is in a horizontal state, the tensioning device 2053 pulls the adjusting plate 203 up and down through the pull rope 2052, the adjusting plate 203 swings around the fixed shaft 202, and the screening box 401 swings around the hinge shaft 405, so as to drive the screening box device 4 to vibrate longitudinally, when discharging is needed, the tensioning device 2053 pulls the adjusting plate 203 down to the lowest position through the pull rope 2052, the lifting cylinder 407 drives the baffle device 408 to rise, the discharging guide plate 406 is open, the screening box device 4 is conveniently discharged, the mineral powder is discharged from the screening box device 4 and falls onto the screening guide plate device 6 to be screened and separated again, the small particle mineral powder falls into the first collecting compartment 601, the large particle mineral powder falls into the second collecting compartment 602, and the agglomerates or unbreakable impurities fall into the third collecting compartment 603, so that multi-stage screening and separation are realized, and the production efficiency is improved; in addition, the tensioning device 2053 completely releases the restriction of the pull rope 2052, the adjusting plate 203 rapidly rises, then suddenly stops due to the limitation of the length of the pull rope 2052, strong vibration is generated, the material clamped on the first sieve plate 403 can be cleaned out, and the normal work of the first sieve plate 403 is ensured.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0030] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A multi-stage screening and separating device for mineral fines, comprising a frame, characterized in that, The inside upper end of the frame is symmetrically provided with an adjusting device, and the left side of the upper end of the frame is provided with a vibrating device, the vibrating device comprises a fixed plate, the fixed plate is fixed on the frame, a vibrating plate is slidably connected to the fixed plate, a screening box device is hingedly connected to the vibrating plate, the screening box device is rollingly connected to the adjusting device, a screening guide plate device is arranged at the right end of the screening box device, and a material collecting box is arranged below the screening box device and the screening guide plate device.

2. The multi-stage screening separation device for mineral powder according to claim 1, characterized in that, The adjusting device comprises an L-shaped support plate, the L-shaped support plate comprises a vertical plate arranged vertically, the upper end of the vertical plate is fixedly connected to the frame, and the lower end of the vertical plate is fixedly connected to a horizontal plate arranged horizontally, a fixed shaft is arranged at the left end of the inner side of the vertical plate, an adjusting plate is rotatably connected to the fixed shaft, springs are uniformly arranged at the lower end surface of the adjusting plate, the lower end of the spring is fixedly connected to the horizontal plate, a universal joint is arranged at the right end of the adjusting plate, a vertically downward pull rope is arranged on the universal joint, a pull rope device is connected to the lower end of the pull rope, and the pull rope device is fixedly connected to the horizontal plate.

3. The multi-stage screening separation device for mineral powder according to claim 1, characterized in that, The fixed plate is provided with a sliding rail, the sliding rail is slidably connected to the vibrating plate, and a rotating support is arranged at the lower end of the vibrating plate.

4. The multi-stage screening separation device for mineral fines according to claim 1, characterized in that, The screening box device comprises a screening box, the upper end of the screening box is provided with an inlet, the lower end of the screening box is provided with a first sieve plate, the lower end of the first sieve plate is fixedly connected to a discharging guide plate, the left end of the screening box is provided with a hinge shaft, the hinge shaft is hingedly connected to the rotating support, the right end of the screening box is provided with a discharging guide plate, and the discharging guide plate is provided with a baffle device connected to a lifting cylinder.

5. The multi-stage screening separation device for mineral fines according to claim 4, characterized in that, The front and rear sidewalls of the screening box are symmetrically provided with rotatably connected rollers, and the rollers are in rolling contact with the adjusting plate.

6. The multi-stage screening separation device for mineral fines according to claim 1, characterized in that, The screening guide plate device comprises a screening guide plate box, the screening guide plate box is provided with a screening inclined plate inclined downward, the material collecting box comprises a first material collecting compartment, a second material collecting compartment and a third material collecting compartment, the first material collecting compartment is located below the screening box device, the second material collecting compartment is located below the screening inclined plate, and the third material collecting compartment is located below the lower end of the screening inclined plate.

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