Vibrating screen for old asphalt materials

Abstract

The vibrating screen comprises a box body fixedly installed at the top of a support, a feeding hopper is fixedly installed at one end of the top of the box body, a first discharging pipe is fixedly installed at the bottom of the box body, and a second discharging pipe and a third discharging pipe are fixedly arranged on the outer walls of the two sides of the box body in a penetrating mode respectively. A first sieve plate and a second sieve plate which are inclined are arranged in the bracket from top to bottom; when the device is used, old asphalt materials move downwards along the first sieve plate under the vibration action of the first sieve plate, so that the old asphalt materials smaller than sieve holes are sieved into the guide chute, and the old asphalt materials larger than the sieve holes are discharged through the second discharge pipe; the old asphalt materials entering the material guiding groove slide to the surface of the top end of the second sieve plate from the discharging end of the material guiding groove so as to move downwards along the second sieve plate, the old asphalt materials screened by the second sieve plate are discharged through the first discharging pipe, the old asphalt materials larger than the aperture of the second sieve plate are discharged through the third discharging pipe, and therefore the screening effect of the old asphalt materials is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vibrating screen, concretely is a vibrating screen for asphalt old material. BACKGROUND

[0002] Asphalt pavement refers to various types of pavements constructed by mixing road asphalt material into mineral material, and the asphalt binder improves the ability of the paving granules to resist the damage of driving and natural factors to the pavement, so that the pavement is flat, less dusty, impermeable to water and durable, and when the asphalt pavement is renovated, the asphalt old material is usually screened and added into new asphalt material to reduce the cost of asphalt pavement renovation.

[0003] Through the screening mechanism, four cams respectively touch two filter plates to move up and down, the material is preliminarily screened and filtered through the filter plate located above, and then is screened and filtered again through the filter plate below, so that the particulate matter in the material can be effectively separated out, the material can be finely processed, and the asphalt can be conveniently used next time.

[0004] The above scheme can screen and filter the asphalt old material multiple times during use, but since the multiple filter plates are vertically arranged and the projections in the top view coincide with each other, the asphalt old material filtered by the upper filter screen near the bottom end will fall on the lower filter screen near the bottom end, so that the lower filter screen may not effectively screen this part of asphalt old material, the asphalt old material is discharged, the screening effect of the asphalt old material cannot be guaranteed, and improvement is needed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a vibrating screen for asphalt old material to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of vibrating screen for asphalt old material, including box body fixedly installed on the top of support, the top of the box body is fixedly installed with feeding hopper at one end, the bottom of the box body is fixedly installed with first discharge pipe, the outer wall of the box body is fixedly provided with second discharge pipe and third discharge pipe respectively, the first sieve plate and the second sieve plate are arranged from top to bottom in the support, the first sieve plate and the second sieve plate are connected with the inner wall of box body by a plurality of elastic support mechanisms, and the bottom of the first sieve plate and the second sieve plate is fixedly installed with vibration motor, the top edge of the first sieve plate and the second sieve plate is fixedly installed with baffle, the bottom end of the first sieve plate extends into the second discharge pipe, the bottom end of the second sieve plate extends into the third discharge pipe, the bottom of the first sieve plate is fixedly installed with guide chute, the discharge port of the guide chute is located directly above the top end of the second sieve plate, and the top of the box body is provided with dust collection mechanism.

[0008] As a further scheme of the present application: the elastic support mechanism includes a first sleeve, the first sleeve is fixedly connected with a spring inside, the bottom end of the spring is fixedly sleeved with a second sleeve, the first sieve plate and the second sieve plate are fixedly connected with the corresponding first sleeve, and the second sleeve is fixedly connected with the corresponding box body.

[0009] As a further scheme of the present application: the dust collection mechanism includes a filter box fixedly installed on the top of the box body, the two sides of the filter box are fixedly communicated with an air inlet pipe and an air outlet pipe respectively, an air inlet of the air outlet pipe is provided with an air guide fan, the air inlet end of the air inlet pipe is fixedly connected with the top of the box body, and the filter box is provided with a filtering mechanism.

[0010] As a further scheme of the present application: the filtering mechanism includes a connecting pipe, one end of the connecting pipe is communicated with the air outlet of the air inlet pipe, and the other end of the connecting pipe is fixedly sleeved with a cloth bag.

[0011] As a further scheme of the present application: the connecting pipe is detachably connected with the inner wall of the filter box, the outer wall of the filter box is provided with an access hole, and the outer wall of the filter box and the access hole are connected with a cover plate through bolts.

[0012] As a further scheme of the present application: the inner wall of the filter box and the air outlet of the air inlet pipe are fixedly connected with a frame at the corresponding position, one end of the connecting pipe away from the cloth bag is fixedly connected with a retaining ring, the outer wall of the frame towards the cover plate is provided with an opening for penetrating the connecting pipe and the retaining ring, and the retaining ring is located on the inner side of the frame.

[0013] As a further scheme of the present application: the outer wall of the retaining ring away from the connecting pipe is fixedly connected with a sealing ring, and the sealing ring is attached to the inner wall of the filter box.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] The utility model discloses in using, the asphalt old material will be under the vibration of first sieve plate and move along first sieve plate downward, to with the sieve hole of the asphalt old material that less than sieve is screened into the material guide groove, and the asphalt old material that is greater than sieve hole will have second discharge pipe and discharge, the asphalt old material of entering material guide groove will slide down to the top end surface of second sieve plate from the unloading end of material guide groove, to along second sieve plate and move downward, the asphalt old material that is screened under second sieve plate will be discharged by first discharge pipe, and the asphalt old material that is greater than the aperture of second sieve plate will be discharged by third discharge pipe, to ensure the screening effect of asphalt old material. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a kind of structural schematic diagram for the vibration sieve of asphalt old material.

[0017] Figure 2 It is the internal structure schematic diagram of box in a kind of vibration sieve for asphalt old material.

[0018] Figure 3 It is Figure 2 The enlarged view of A in the middle.

[0019] Figure 4 It is the sectional structure schematic diagram of dust extraction mechanism in a kind of vibration sieve for asphalt old material.

[0020] Wherein, support 1, box 2, feeding hopper 3, first discharge pipe 4, second discharge pipe 5, third discharge pipe 6, first sieve plate 7, second sieve plate 8, baffle 9, material guide groove 10, first sleeve 11, spring 12, second sleeve 13, vibration motor 14, filter box 15, air inlet pipe 16, air outlet pipe 17, cover plate 18, frame 19, connecting pipe 20, baffle ring 21, cloth bag 22, sealing ring 23. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0022] Please refer to Figures 1 to 4The utility model discloses a kind of vibrating screens for asphalt old materials, including fixedly installed in the top of support 1 box 2, the top of box 2 one end is fixedly installed with feeding hopper 3, the bottom of box 2 is fixedly installed with first discharge pipe 4, the both sides outer wall of box 2 is respectively fixed with second discharge pipe 5 and third discharge pipe 6, first sieve plate 7 and second sieve plate 8 are arranged in support 1 by upper to lower, the screen hole aperture of first sieve plate 7 is greater than the screen hole aperture of second sieve plate 8, first sieve plate 7 and second sieve plate 8 are all connected with the inner wall of box 2 by multiple elastic support mechanisms, and the bottom of first sieve plate 7 and second sieve plate 8 is fixedly installed with vibration motor 14, the top edge of first sieve plate 7 and second sieve plate 8 is fixedly installed with baffle 9, the bottom end of first sieve plate 7 is in second discharge pipe 5, the bottom end of second sieve plate 8 is in third discharge pipe 6, the bottom of first sieve plate 7 is fixedly installed with guide chute 10, the discharge port of guide chute 10 is located in the top of second sieve plate 8 directly above, the top of box 2 is installed with dust extraction mechanism.

[0023] The utility model discloses a kind of vibrating screens for asphalt old materials, including fixedly installed in the top of support 1 box 2, the top of box 2 one end is fixedly installed with feeding hopper 3, the bottom of box 2 is fixedly installed with first discharge pipe 4, the both sides outer wall of box 2 is respectively fixed with second discharge pipe 5 and third discharge pipe 6, first sieve plate 7 and second sieve plate 8 are arranged in support 1 by upper to lower, the screen hole aperture of first sieve plate 7 is greater than the screen hole aperture of second sieve plate 8, first sieve plate 7 and second sieve plate 8 are all connected with the inner wall of box 2 by multiple elastic support mechanisms, and the bottom of first sieve plate 7 and second sieve plate 8 is fixedly installed with vibration motor 14, the top edge of first sieve plate 7 and second sieve plate 8 is fixedly installed with baffle 9, the bottom end of first sieve plate 7 is in second discharge pipe 5, the bottom end of second sieve plate 8 is in third discharge pipe 6, the bottom of first sieve plate 7 is fixedly installed with guide chute 10, the discharge port of guide chute 10 is located in the top of second sieve plate 8 directly above, the top of box 2 is installed with dust extraction mechanism.

[0024] Specifically combined Figure 3 In an embodiment of the utility model, the elastic support mechanism includes first sleeve 11, spring 12 is fixedly connected in first sleeve 11, the bottom end of spring 12 is fixedly sleeved with second sleeve 13, first sieve plate 7 and second sieve plate 8 are fixedly connected with corresponding first sleeve 11, second sleeve 13 is fixedly connected with corresponding box 2.

[0025] Specifically combined Figure 1 And Figure 4In an embodiment of the utility model, the dust collection mechanism includes the filter box 15 fixedly installed at the top of the box body 2, the filter box 15 is fixedly connected with the air inlet pipe 16 and the air outlet pipe 17 respectively on both sides, the air outlet of the air outlet pipe 17 is installed with the air guide fan (not shown in the drawing), the air inlet end of the air inlet pipe 16 is fixedly connected with the top of the box body 2, the filter box 15 is installed with the filter mechanism, further, the filter mechanism includes the connecting pipe 20, one end of the connecting pipe 20 is communicated with the air outlet of the air inlet pipe 16, the other end of the connecting pipe 20 is fixedly sleeved with the cloth bag 22.

[0026] By starting the air guide fan, the air in the box body 2 can be sucked into the filter box 15, filtered by the cloth bag 22 and discharged, thereby reducing the dust discharged by the feeding hopper, the first discharge pipe 4, the second discharge pipe 5 and the third discharge pipe 6, to protect the working environment.

[0027] Specifically combined Figure 4 The connecting pipe 20 is detachably connected with the inner wall of the filter box 15, the outer wall of the filter box 15 is provided with an access hole, and the outer wall of the filter box 15 and the access hole are connected with the cover plate 18 through bolts, further, the inner wall of the filter box 15 and the air outlet of the air inlet pipe 16 are fixedly connected with the frame 19 at the corresponding positions, one end of the connecting pipe 20 away from the cloth bag 22 is fixedly connected with the blocking ring 21, the outer wall of the blocking ring 21 away from the connecting pipe 20 is fixedly connected with the sealing ring 23, and the sealing ring 23 is attached to the inner wall of the filter box 15.

[0028] When a certain amount of dust is collected in the cloth bag 22, the cover plate 18 is removed from the filter box 15, then the blocking ring 21 and the connecting pipe 20 are pulled out from the frame 19, and the cloth bag 22 can be taken out from the filter box 15 and cleaned, which is simple and convenient to operate.

[0029] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A vibrating screen for asphalt shingles, characterized by: The utility model provides a kind of feed mill, including the box (2) fixedly installed on the top of support (1), the top of the box (2) is fixedly installed with feeding hopper (3) at one end, the bottom of the box (2) is fixedly installed with first discharge pipe (4), the outer wall of the box (2) is respectively fixed with second discharge pipe (5) and third discharge pipe (6) and is equipped with inclined first sieve plate (7) and second sieve plate (8) from top to bottom in support (1), the inner wall of the box (2) is connected by multiple elastic support mechanisms, and the bottom of the first sieve plate (7) and the second sieve plate (8) is fixedly installed with vibration motor (14), the top edge of the first sieve plate (7) and the second sieve plate (8) is fixedly installed with baffle (9), the bottom end of the first sieve plate (7) is inserted into second discharge pipe (5), the bottom end of the second sieve plate (8) is inserted into third discharge pipe (6), the bottom of the first sieve plate (7) is fixedly installed with guide chute (10), the discharge port of the guide chute (10) is located in the top of the second sieve plate (8) directly above, and the top of the box (2) is installed with dust collection mechanism.

2. A vibrating screen for asphalt recyclers as claimed in claim 1, wherein: The elastic support mechanism includes a first sleeve (11), the first sleeve (11) is fixedly connected with a spring (12) inside, the bottom end of the spring (12) is fixedly sleeved with a second sleeve (13), the first sieve plate (7) and the second sieve plate (8) are fixedly connected with the corresponding first sleeve (11), and the second sleeve (13) is fixedly connected with the corresponding box (2).

3. A vibrating screen for asphalt shingles as defined in claim 1, wherein: The dust collection mechanism includes a filter box (15) fixedly installed on the top of the box (2), the two sides of the filter box (15) are respectively fixedly communicated with an air inlet pipe (16) and an air outlet pipe (17), an air guide fan is installed at the air outlet of the air outlet pipe (17), the top of the box (2) is fixedly connected with the air inlet end of the air inlet pipe (16), and a filter mechanism is installed in the filter box (15).

4. A vibrating screen for asphalt shingles according to claim 3, wherein: The filter mechanism includes a connecting pipe (20), one end of the connecting pipe (20) is communicated with the air outlet of the air inlet pipe (16), and the other end of the connecting pipe (20) is fixedly sleeved with a cloth bag (22).

5. A vibrating screen for asphalt shingles according to claim 4, wherein: The connecting pipe (20) is detachably connected with the inner wall of the filter box (15), the outer wall of the filter box (15) is provided with an access hole, and the outer wall of the filter box (15) and the access hole are connected with a cover plate (18) through bolts.

6. A vibrating screen for asphalt shingles according to claim 5, wherein: The inner wall of the filter box (15) and the air outlet of the air inlet pipe (16) are fixedly connected with a frame (19) at the corresponding position, one end of the connecting pipe (20) away from the cloth bag (22) is fixedly connected with a retaining ring (21), the outer wall of the frame (19) towards the cover plate (18) is provided with an opening for penetrating the connecting pipe (20) and the retaining ring (21), and the retaining ring (21) is located on the inner side of the frame (19).

7. A vibrating screen for asphalt shingles according to claim 6, wherein: The outer wall of the retaining ring (21) away from the connecting pipe (20) is fixedly connected with a sealing ring (23), and the sealing ring (23) is attached to the inner wall of the filter box (15).

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