CN215964707U - Vibrating stepped screening feeder - Google Patents

Abstract

The utility model discloses a vibrating stepped screening feeder which comprises a rack, wherein a screening device is arranged in the rack, the output end of the screening device is a feed opening, the screening device is formed by sequentially overlapping at least two screening sections, the positions of an nth screening section and an n +1 th screening section … … are sequentially reduced, the tail end of the last screening section is a feed opening, and a vibrating device is arranged at the bottom of the rack. The utility model has the screening function, can screen out useless soil and materials which reach the crushed particle size in the materials, and does not need to enter crushing equipment, thereby not only improving the yield of the crushing equipment, but also reducing the abrasion of wear-resistant parts of the crushing equipment. In order to strengthen the screening function of the feeding machine, the screening feeding machine is additionally provided with a vibration function, so that the materials entering the crushing equipment can be further screened.

Description

Vibrating stepped screening feeder

Technical Field

The utility model relates to a feeding device, in particular to a stepped screening device with a vibration function.

Background

A device called a feeder is generally arranged at the front end of material crushing equipment in the industries of mines, metallurgy, building materials, chemical industry and the like. The general feeding machines are classified into heavy plate type feeding machines, light plate type feeding machines, trough type feeding machines, reciprocating type feeding machines, vibrating feeding machines and the like. The feeding machines have the main functions of continuously, uniformly and stably feeding materials to the crushing equipment, avoiding the blockage of a receiving port of the crushing equipment and ensuring the normal work of the crushing equipment.

With the continuous upsizing of the models of crushing equipment, the feeding equipment is also upsized. The materials borne by the feeding machine are more and more, the previous various heavy plate type feeding machines, light plate type feeding machines, groove type feeding machines and reciprocating type feeding machines are low in bearing capacity, the feeding mode is that the materials are not divided into material particle sizes and are all fed into crushing equipment, and therefore the materials which meet the requirement of crushing particle sizes pass through a crushing cavity of the crushing equipment once again, the yield of the crushing equipment is reduced, and the abrasion of abrasion-resistant parts at the crushing parts is increased.

SUMMERY OF THE UTILITY MODEL

Therefore, the vibrating stepped screening feeder has a screening function, and can screen out useless soil and materials with crushed particle sizes without entering crushing equipment, so that the yield of the crushing equipment can be improved, and the abrasion of abrasion-resistant parts of the crushing equipment can be reduced. In order to strengthen the screening function of the feeding machine, the screening feeding machine is additionally provided with a vibration function, so that the materials entering the crushing equipment can be further screened.

The purpose of the utility model is realized by the following technical scheme:

the utility model provides a vibration ladder screening feeding machine, includes the frame, is provided with screening plant in the frame, and screening plant's output is the feed opening, screening plant comprises two at least sieve segmentation overlap joints in proper order, and the position of nth sieve segmentation, n +1 sieve segmentation … … reduces the setting in proper order, and the end of last sieve segmentation is the feed opening, sets up vibrating device in the frame bottom.

Above-mentioned vibration ladder screening feeder, the screening plant comprises first sieve section, second sieve section and third sieve section overlap joint in proper order, and the position of first sieve section, second sieve section and third sieve section reduces the setting in proper order, and the third sieve section is terminal for the feed opening.

In the vibrating stepped screening feeder, the four corners of the bottom of the rack are provided with the elastic pieces.

The vibrating stepped screening feeder has elastic part set on the bottom frame.

According to the vibrating stepped screening feeder, the input end of the rack is provided with the blanking sliding plate, and the output end of the blanking sliding plate corresponds to the input end of the first screening section.

In the vibrating stepped screening feeder, the lower racks of the first screening section, the second screening section and the third screening section are provided with the composite screening net.

In the vibrating stepped screening feeder, the composite screening net is obliquely arranged, and the discharge port of the composite screening net is located at the lowest position.

Above-mentioned vibration ladder screening feeding machine, vibrating device includes vibrating motor, and vibrating motor passes through the belt and is connected with the action wheel, action wheel and follow driving wheel meshing, install in the axis of rotation of vibrator from the driving wheel.

According to the vibrating stepped screening feeder, the first screening section, the second screening section and the third screening section are all composed of the supporting cross beams arranged on the rack and the screen bars evenly arranged on the supporting cross beams, and gaps among the screen bars form the screening cavity.

Above-mentioned vibration ladder screening feeding machine, the grating of first sieve segmentation, second sieve segmentation, third sieve segmentation all installs on the supporting beam through the steel hoop, fixes through high strength bolt between steel hoop and the supporting beam, and the grating adopts the high resistant track rail steel preparation.

By adopting the technical scheme, the utility model has the following beneficial technical effects:

the utility model adopts a symmetrical structure, rotates 180 degrees for turnover use when one surface of the plate hammer is seriously worn, does not need to replace the plate hammer, and greatly improves the service life of the plate hammer. Meanwhile, the weight reduction groove is formed in the plate hammer, so that the manufacturing cost of the plate hammer is saved.

The crushing device can increase the crushing output of the crushing device and improve the production efficiency by pre-screening the materials and the soil which are mixed in the materials and have the granularity smaller than the discharging granularity of the crushing device and not entering the crushing device for repeated crushing; meanwhile, through three-section stepped screening, materials and soil with small impact force do not enter the crushing equipment, and materials with large particle size entering the crushing cavity of the crushing equipment can improve the impact hardening capacity of the hammer head, the impact lining plate and the grate plate, so that the service lives of the hammer head, the impact lining plate and the grate plate are prolonged; through the compound screening that adds, can separate useless earth and useful material in the same direction as the area, realize a tractor serves several purposes, reduce investment cost.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a right side view of fig. 1.

Fig. 3 is a top view of the connection between the screen bars and the support beams of fig. 1.

FIG. 4 is a schematic view showing the connection between the partial screen bars and the supporting beams in FIG. 1

Detailed Description

The structure and operation of the present invention will be described in detail with reference to fig. 1, 2, 3 and 4.

In the description of the present invention, it is to be understood that the terms "central," "radial," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing and simplifying the description, and do not indicate or imply that the device or component in question must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1, 2, 3 and 4, a vibrating stepped screening feeder comprises a frame 1, wherein a screening device is arranged in the frame, the output end of the screening device is a feed opening, the screening device is formed by sequentially overlapping at least two screen sections, the positions of the nth screen section and the nth +1 screen section … … are sequentially reduced, and the tail end of the last screen section is the feed opening, so that materials and soil with the granularity smaller than the discharge granularity of crushing equipment are relatively and fully pre-screened in the screening section and are not allowed to enter the crushing equipment for repeated crushing. In order to fully sieve, the vibrating device is arranged at the bottom of the frame.

In the experimental process, the screening device adopts three screening sections, namely the screening device is formed by sequentially overlapping a first screening section 2, a second screening section 3 and a third screening section 4, the positions of the first screening section 2, the second screening section 3 and the third screening section 4 are sequentially reduced, the tail end of the third screening section is a feed opening, the bottom of a frame is provided with a vibrating device, four corners of the bottom of the frame are provided with elastic parts 10, and the elastic parts are arranged on the bottom frame 11.

In order to facilitate blanking, the input end of the frame is provided with a blanking sliding plate 12, and the output end of the blanking sliding plate corresponds to the input end of the first screening section 2. The blanking sliding plate 12, the first screening section 2, the second screening section 3 and the third screening section 4 are all obliquely arranged, the inclination angles of the blanking sliding plate 12, the first screening section 2, the second screening section 3 and the third screening section 4 are consistent, or the inclination angles are sequentially increased, and the material slides downwards to a blanking port under the action of dead weight and enters crushing equipment.

The composite screening net 6 is arranged on the machine frame at the lower parts of the first screening section 2, the second screening section 3 and the third screening section 4, and materials and soil screened by the first screening section 2, the second screening section 3 and the third screening section 4 are screened again.

The composite screening net is arranged obliquely, the inclination angle of the composite screening net is equal to or larger than that of the third screening section, and the discharge hole of the composite screening net is located at the lowest position. And separating useless soil from useful materials which are sieved by the three sections, thereby realizing composite sieving. The aperture of the screening net can be adjusted according to the particle size of useful materials required by different materials.

In order to sieve efficiently, the utility model is also provided with a vibrating device, the vibrating device comprises a vibrating motor 7, the vibrating motor 7 is connected with a driving wheel through a belt 9, the driving wheel is meshed with a driven wheel 8, the driven wheel is arranged on a rotating shaft of a vibrator 13, and the vibrator can be selected from commercially available vibrators.

As shown in fig. 3 and 4, the first screen section 2, the second screen section 3 and the third screen section 4 of the present invention are each composed of a support beam mounted on the frame and screen bars uniformly mounted on the support beam, and gaps between the screen bars constitute a screening chamber. The steel hoops 14 are fixed on the screen bars 15 of the first screen section, the second screen section and the third screen section, the screen bars of the first screen section, the second screen section and the third screen section are all installed on the supporting cross beam 16 through the steel hoops 14, and the steel hoops and the supporting cross beam are fixed through high-strength bolts 17. Therefore, the gaps of the screen bars can be adjusted according to the size of the material to be screened, so that the screen bar is suitable for screening materials with different production sites and various particle sizes. The grate bars are made of high-abrasion-resistant rail steel and used for prolonging the service life of the grate bars in the screening section.

The first screen section 2, the second screen section 3 and the third screen section 4 of the present invention may have uniform gaps between the screen bars of the three screen sections. The more efficient scheme is that the clearance between the second screening section grizzly strip is greater than the clearance between the first screening section grizzly strip, and the clearance between the third screening section grizzly strip is greater than the clearance between the second screening section grizzly strip. This enables a graded screening.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the utility model, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (10)

1. The utility model provides a vibration ladder screening feeding machine, includes frame (1), is provided with screening plant in the frame, and screening plant's output is feed opening, its characterized in that: the screening device is formed by sequentially overlapping at least two screening sections, the nth screening section and the (n + 1) th screening section … … are sequentially arranged in a descending mode, the tail end of the last screening section is a feed opening, and a vibrating device is arranged at the bottom of the frame.

2. The vibratory step screening feeder of claim 1, wherein: the screening plant comprises first screening section (2), second screening section (3) and third screening section (4) overlap joint in proper order, and the position of first screening section (2), second screening section (3) and third screening section (4) reduces the setting in proper order, and the third screening section end is the feed opening.

3. The vibratory step screening feeder of claim 1, wherein: and elastic pieces (10) are arranged at four corners of the bottom of the rack.

4. The vibratory step screening feeder of claim 3, wherein: the elastic member is provided on the base frame (11).

5. The vibratory step screening feeder of claim 1, wherein: the input end of frame is provided with unloading slide (12), and the output of unloading slide corresponds with the input of first sieve section, and the unloading slide is the slope setting, and first sieve section, second sieve section and third sieve section also are the slope setting.

6. The vibratory step screening feeder of claim 2, wherein: and a composite screening net (6) is arranged on the frame at the lower parts of the first screening section (2), the second screening section (3) and the third screening section (4).

7. The vibratory step screening feeder of claim 6, wherein: the composite screening net is arranged obliquely, and a discharge port of the composite screening net is located at the lowest position.

8. The vibratory step screening feeder of claim 1, wherein: the vibrating device comprises a vibrating motor (7), the vibrating motor (7) is connected with a driving wheel through a belt (9), the driving wheel is meshed with a driven wheel (8), and the driven wheel is installed on a rotating shaft of a vibrator (13).

9. The vibratory step screening feeder of claim 2, wherein: the first screening section (2), the second screening section (3) and the third screening section (4) are all composed of supporting beams arranged on the rack and screen bars evenly arranged on the supporting beams, and gaps among the screen bars form screening cavities.

10. The vibratory step screening feeder of claim 9, wherein: the screen bars (15) of the first screen section, the second screen section and the third screen section are all installed on a supporting cross beam (16) through steel hoops (14), the steel hoops and the supporting cross beam are fixed through high-strength bolts (17), and the screen bars are made of high-wear-resistance track steel.

Images