Screening reciprocating feeder

Abstract

The utility model relates to a screening reciprocating feeder which comprises a feeding groove, a support, a driving mechanism and a crank connecting rod mechanism, a plurality of carrier rollers are sequentially arranged on the support from top to bottom, the feeding groove is obliquely arranged on the carrier rollers in a sliding mode, a grading opening is formed in the bottom face of the feeding groove, and a screen is arranged in the grading opening. The driving mechanism drives a crankshaft in the crank connecting rod mechanism to rotate, and a connecting rod in the crank connecting rod mechanism is hinged to the feeding groove. According to the screening reciprocating feeder provided by the utility model, the crank connecting rod mechanism is utilized to drive bulk materials and the screen of the feeding groove to do back-and-forth reciprocating relative movement, so that small particles fall into a lower-stage belt conveyor or other devices through screen holes, and large-particle materials are conveyed to a conveying machine or other screening equipment along the feeding groove; materials are divided into different grades according to the particle size, the screening and feeding functions are integrated, and one machine has two purposes.

Description

TECHNICAL FIELD

[0001] The utility model belongs to material transportation technical field, especially relates to a screening reciprocating feeder. BACKGROUND

[0002] Some bulk materials need to be classified, such as coal, grain, ore, etc., classification can ensure the quality and consistency of the material, and also facilitate transportation and storage, so as to better meet the needs of subsequent processing or use. At the same time, classification can also help optimize the loading and transportation scheme and improve efficiency.

[0003] Classification usually needs to be screened by screening equipment and then fed to the next belt conveyor or truck by the feeder. If the screening equipment is used for simple classification of materials, the equipment investment cost will increase and the site occupation will be large, and the labor and material expenditure for the later equipment use and maintenance will also increase. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at the deficiency of the prior art, provides a screening reciprocating feeder, which integrates screening and feeding functions, and is dual-purpose, so as to solve the problem that materials cannot be classified and transported in the limited space in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A screening reciprocating feeder, comprising a feeding tank, a support, a driving mechanism and a crank connecting rod mechanism, a plurality of supporting rollers are arranged on the support from high to low, the feeding tank is obliquely and slidably arranged on the supporting rollers, a classification port is formed in the bottom surface of the feeding tank, a screen is arranged in the classification port, the driving mechanism drives the crankshaft in the crank connecting rod mechanism to rotate, and the connecting rod in the crank connecting rod mechanism is hinged to the feeding tank.

[0007] In order to better realize the utility model, the feeding tank is further optimized in the above structure, a box is arranged above the feeding tank, a gap is left between the feeding tank and the box, the support connects and supports the box, the bottom of the box is funnel-shaped and opens into the feeding tank, and a discharge gate is arranged at the tail of the box.

[0008] In order to better realize the utility model, the screen is further optimized in the above structure, a funnel is arranged below the screen.

[0009] In order to better realize the utility model, the driving mechanism is further optimized in the above structure, and the driving mechanism is a motor.

[0010] In order to better realize the utility model, the motor drives the crankshaft in the crank connecting rod mechanism to rotate through a speed reducer in the above structure.

[0011] In order to better realize the utility model, further optimization is made in the above structure, and the motor and the speed reducer are connected through the shaft coupling.

[0012] In order to better realize the utility model, further optimization is made in the above structure, and the driving mechanism is arranged on the transmission platform, and the transmission platform and the box body are fixedly connected through the connecting rod.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The screening reciprocating feeder provided by the utility model utilizes the crank connecting rod mechanism to drive the back and forth relative movement of the bulk material and the front and back of the feeding groove screen, so that the small particles pass through the screen hole and fall into the lower belt conveyor or other devices, the large particle material is conveyed to the transport machinery or other screening equipment along the feeding groove, the material is divided into different levels according to the particle size, and the screening and feeding functions are integrated, and one machine has two functions. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0016] Figure 1 It is the front view of the screening reciprocating feeder of the utility model;

[0017] Figure 2 It is the plan view of the screening reciprocating feeder of the utility model.

[0018] In the drawing:

[0019] 1-feeding groove, 2-support, 3-driving mechanism, 4-crank connecting rod mechanism, 5-screen, 6-roller, 7-box body, 701-discharge gate, 8-hopper, 9-speed reducer, 10-shaft coupling, 11-transmission platform, 12-connecting rod. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model.

[0021] In the description of the utility model, it is necessary to explain that, unless otherwise stated, the meaning of "a plurality of" is two or more than two;The orientation or position relation indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated having a specific orientation, being constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0022] In the description of the utility model, it is also necessary to explain that, unless otherwise stated and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or electrically connected;It can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0023] Referring to Figure 1 And Figure 2 The utility model provides a structure schematic diagram of screening reciprocating feeder, including feed tank 1, support 2, drive mechanism 3 and crank connecting rod mechanism 4, in order to improve the flexibility when the action of feed tank 1, a plurality of godets 6 are sequentially arranged from high to low on support 2, and feed tank 1 is obliquely slidably arranged on godet 6.

[0024] The box 7 is arranged above the feed tank 1, and a gap is left between the feed tank 1 and the box 7, the support 2 is connected to support the box 7, the bottom of the box 7 is funnel-shaped and extends into the feed tank 1, the material enters through the receiving port on the box 7 and falls into the feed tank 1 below, and the box 7 is provided with a discharge gate 701 at the tail, which is used to control the conveying amount of the material.

[0025] The bottom surface of the feed tank 1 is provided with a grading port, and the grading port is provided with a screen 5, and the screen 5 is provided with a hopper 8 below, the drive mechanism 3 drives the crankshaft in the crank connecting rod mechanism 4 to rotate, and the connecting rod in the crank connecting rod mechanism 4 is hinged with the feed tank 1, the feed tank 1 is repeatedly slid forward and backward on the godet 6 by the crank connecting rod mechanism 4, so that the material in the feed tank 1 repeatedly moves relative to the screen surface when passing through the screen 5, and the small particle material falls to the lower belt conveyor through the screen hole, and the large particle material moves to the rear end along the slope of the feed tank 1. The machine is suitable for mine and coal preparation plant, and can uniformly grade the coal in the coal bunker and load it on the conveyor or other screening and storage device.

[0026] In the embodiment, the driving mechanism 3 is selected as an electric motor. The electric motor drives the crankshaft in the crank and connecting rod mechanism 4 to rotate through the speed reducer 9, and greater torque driving force can be obtained by speed reduction. The electric motor and the speed reducer 9 are connected through the shaft coupling 10. The driving mechanism 3 is arranged on the transmission platform 11, and the transmission platform 11 and the box body 7 are fixedly connected through the connecting rod 12, so that the box body 7, the support 2 and the transmission platform 11 are connected together to form a stable frame, thereby improving the stability of the device during operation.

[0027] Working principle:

[0028] First, start the electric motor, the electric motor drives the crankshaft in the crank and connecting rod mechanism 4 to rotate, and the connecting rod in the crank and connecting rod mechanism 4 is hinged to the feeding groove 1. When the crankshaft rotates, the connecting rod drives the feeding groove 1 to repeatedly slide on the supporting roller 6, and then the material is fed from the material receiving port on the box body 7 and falls into the feeding groove 1 below. Under the action of the sliding and inclination angle of the feeding groove 1, the material moves to the tail of the feeding groove 1, and when passing through the screen 5, the material repeatedly moves relative to the screen surface, and the small particle material falls to the lower belt conveyor through the screen hole. The large particle material continues to move to the rear end along the slope of the feeding groove 1, thereby achieving the purpose of classifying and conveying the material during the feeding process.

[0029] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A reciprocating feeder for screening, characterised in that: Including feed tank (1), support (2), drive mechanism (3) and crank connecting rod mechanism (4), the support (2) is provided with a plurality of roller (6) from high to low in sequence, the feed tank (1) is inclined and slidably arranged on the roller (6), the bottom surface of the feed tank (1) is provided with a grading port, the grading port is provided with a screen (5), the drive mechanism (3) drives the crankshaft in the crank connecting rod mechanism (4) to rotate, and the connecting rod in the crank connecting rod mechanism (4) is hinged with the feed tank (1).

2. A reciprocating feeder for a screening machine as claimed in claim 1, characterised in that: The box (7) is arranged above the feed tank (1), and a gap is left between the feed tank (1) and the box (7), the support (2) is connected to support the box (7), the bottom of the box (7) is funnel-shaped and opens into the feed tank (1), and the tail of the box (7) is provided with a discharge gate (701).

3. A reciprocating feeder for a screening machine as claimed in claim 2, characterised in that: The screen (5) is provided below the funnel (8).

4. A reciprocating feeder for screening according to any one of claims 1-3, characterized in that: The drive mechanism (3) is a motor.

5. A reciprocating feeder for a screening machine as claimed in claim 4, characterised in that: The motor drives the crankshaft in the crank connecting rod mechanism (4) to rotate through a speed reducer (9).

6. A reciprocating feeder for a screening machine as claimed in claim 5, characterised in that: The motor and the speed reducer (9) are connected through a shaft coupling (10).

7. A reciprocating feeder for a screening machine as claimed in claim 2, characterised in that: The drive mechanism (3) is arranged on a transmission platform (11), and the transmission platform (11) and the box (7) are fixedly connected through a connecting rod (12).

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