Screening device for asphalt pavement reclaimed materials

Abstract

The utility model relates to the technical field of recycled material separation equipment, in particular to a screening device for asphalt pavement recycled materials, which comprises a screening frame, a first spring, a second spring, a third spring and a fourth spring. Baffle parts corresponding to the first springs in position are arranged on the inner wall of the mounting frame, one ends of the first springs abut against the screening net, and the other ends of the first springs abut against the baffle parts; the flapping assembly is arranged below the screening net, and the flapping assembly comprises a driving mechanism, a driving disc, a flapping arm and a mounting frame; the mounting frame is provided with a plurality of flapping arms capable of relatively rotating, the flapping arms and the first springs are arranged at intervals, the driving disc is arranged above the flapping arms, a pressing part is arranged at the bottom of the driving disc, and the driving mechanism can drive the driving disc to rotate; the pressing part can press the end of the flapping arm so that the end, away from the driving disc, of the flapping arm flaps the bottom of the screening net. The device is easy to clean, and the net is not blocked.

Description

TECHNICAL FIELD

[0001] The utility model relates to recycling material separation equipment technical field especially relates to a screening device for asphalt pavement recycling material. BACKGROUND

[0002] The aggregate in asphalt pavement recycling material is usually divided into coarse aggregate and fine aggregate according to different purposes, and traditionally, the asphalt pavement recycling material separation equipment is generally divided into two kinds, one is a shaper mainly based on collision separation, and the other is a los angeles abrasion tester mainly based on friction separation, wherein the shaper takes a stainless steel screen as the main screening unit and separates through vibration screening. SUMMARY

[0003] The utility model discloses a screening device for asphalt pavement recycling material, which effectively solves the problem of easy clogging and is easy to clean after screening.

[0004] To solve the above problems, the utility model provides a screening device for asphalt pavement recycling material, comprising:

[0005] The screening frame comprises a mounting frame and a screening net, the screening net is arranged in the mounting frame, a first spring arranged at a predetermined interval is arranged along the edge of the screening net, the inner wall of the mounting frame is provided with a baffle part corresponding to the position of the first spring, one end of the first spring abuts against the screening net, and the other end abuts against the baffle part;

[0006] The beating assembly is arranged below the screening net, and the beating assembly comprises a driving mechanism, a driving disc, a beating arm and a mounting rack; the mounting rack is provided with a plurality of beating arms capable of rotating relative to each other, the beating arms are arranged at intervals from the first springs, the driving disc is arranged above the beating arms, the bottom of the driving disc is provided with a pressing part, and the driving mechanism can drive the driving disc to rotate;

[0007] The pressing part can press the end of the beating arm to make the end away from the driving disc beat the bottom of the screening net.

[0008] As an improvement of the above technical scheme, the pressing part is a roller structure, one end surface of the beating arm close to the pressing part is provided with a pressing track, and the pressing part can roll along the pressing track.

[0009] As an improvement of the above technical scheme, a plurality of grooves arranged at a predetermined interval are arranged in the pressing track.

[0010] As the improvement of the above technical scheme, the installation disc is arranged below the beating arm, and the second spring is arranged on the installation disc and corresponds to the pressing part.

[0011] As the improvement of the above technical scheme, the driving mechanism is arranged at the bottom of the installation disc, and the output end of the driving mechanism penetrates through the installation disc and is connected with the driving disc.

[0012] As the improvement of the above technical scheme, the driving mechanism is a rotating motor.

[0013] As the improvement of the above technical scheme, the end of the beating arm close to the screening net is a first beating end, and the end close to the pressing part is a second beating end, and the distance from the first beating end to the mounting frame is greater than the distance from the second beating end to the mounting frame.

[0014] As the improvement of the above technical scheme, the end of the beating arm close to the screening net is provided with a beating protrusion.

[0015] The present application has the following beneficial effects:

[0016] The screening device of the present application drives the disc to rotate, and the pressing part of the driving disc periodically presses the end of the beating arm, so that the end of the beating arm away from the driving disc beats the bottom of the screening net. The mounting frame of the screening frame and the screening net are non-rigidly connected, the edge of the screening net is provided with the first spring arranged at a predetermined interval, and the beating arm beats the position between the two first springs, so that the screening net can be partially vibrated and warped, and the screened materials are gathered in the middle. On the one hand, the cleaning difficulty of the screening net is reduced, and on the other hand, the net jamming is effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a perspective view of the screening device of an embodiment of the present application;

[0018] Fig. 2 is a perspective view of the beating assembly of an embodiment of the present application;

[0019] Fig. 3 is a top view of the beating arm of an embodiment of the present application. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings.

[0021] Referring to Figs. 1 to 3 The present application provides a screening device for asphalt pavement recycling material, which comprises:

[0022] The screening frame 1 comprises a mounting frame 11 and a screening net 12, the screening net 12 is arranged in the mounting frame 11, a first spring 14 arranged at a predetermined interval is arranged along the edge of the screening net 12, the inner wall of the mounting frame 11 is provided with a baffle part 13 corresponding to the position of the first spring 14, one end of the first spring 14 abuts against the screening net 11, and the other end abuts against the baffle part 13;

[0023] The beating assembly 2 is arranged below the screening net 12, the beating assembly 2 comprises a driving mechanism 21, a driving disc 22, a beating arm 23 and a mounting rack 24, the mounting rack 24 is provided with a plurality of beating arms 23 capable of relative rotation, the beating arms 23 are arranged at intervals with the first spring 14, the driving disc 22 is arranged above the beating arms 23, the bottom of the driving disc 22 is provided with a pressing part 25, and the driving mechanism 21 can drive the driving disc 22 to rotate;

[0024] The pressing part 25 can press the end of the beating arm 23 away from the one end of the driving disc 22 to beat the bottom of the screening net 12.

[0025] The screening device of the utility model, through the rotation of the driving disc 22 of the beating assembly 2, the pressing part 25 of the driving disc 22 periodically presses the end of the beating arm 23, so that the end of the beating arm 23 away from the driving disc 22 beats the bottom of the screening net 12, the mounting frame 11 and the screening net 12 of the screening frame 1 are non-rigidly connected, the edge of the screening net 12 is provided with the first spring 14 arranged at a predetermined interval, the beating arm 23 continuously beats the position between the two first springs 14, so that the screening net 12 can be partially vibrated and warped, and the screened materials are gathered in the middle. Firstly, the cleaning difficulty of the screening net 12 is reduced, and secondly, the net jamming is effectively avoided.

[0026] Preferably, the pressing part 25 is a roller structure, the end surface of the beating arm 23 close to the pressing part 25 is provided with a pressing track 231, and the pressing part 25 can roll along the pressing track 231. In order to avoid the large impact between the pressing part 25 and the beating arm 23 when the driving disc 22 rotates, and in order to improve the pressing fluency of the pressing part 25, the pressing part 25 is a roller structure, and the pressing track 231 is arranged on the beating arm 23, enough space is reserved for the pressing part 25 to press the beating arm 23, and the impact force between the pressing part 25 and the beating arm 23 is reduced.

[0027] Preferably, the pressing track 231 is provided with a plurality of grooves 232 arranged at a predetermined interval. The plurality of grooves 232 are arranged to enable the pressing portion 25 to press the beating arm 23 at a high frequency when the pressing portion 25 slides in the pressing track 231, so that the beating arm 23 beats the screening net 12 at a higher frequency.

[0028] Preferably, the beating arm 23 is provided with a mounting disc 26 below the beating arm 23, the mounting disc 26 is provided with a second spring 27, and the second spring 27 is arranged at a position corresponding to the pressing portion 25. The second spring 27 is arranged to enable the beating arm 23 to be quickly reset after beating.

[0029] Preferably, the driving mechanism 21 is arranged at the bottom of the mounting disc 26, and the output end of the driving mechanism 21 is connected with the driving disc 22 through the mounting disc 26. Preferably, the driving mechanism 21 is a rotating motor.

[0030] Preferably, the beating arm 23 is provided with a first beating end close to the screening net 12 and a second beating end close to the pressing portion 25, and the distance between the first beating end and the mounting frame 24 is greater than the distance between the second beating end and the mounting frame 24.

[0031] Preferably, the beating arm 23 is provided with a beating protrusion 233 close to the screening net 12. The beating protrusion 233 is arranged to enable the beating arm 23 to beat the screening net 12 with a more concentrated force.

[0032] The above is the preferred embodiment of the present application, and it should be noted that, for those skilled in the art, without departing from the principle of the present application, a number of improvements and refinements can be made, and these improvements and refinements are also considered to be within the protection scope of the present application.

Claims

1. A screening device for asphalt pavement recyclate, characterized in that The application relates to a screening frame and a beating assembly thereof. The screening frame comprises a mounting frame and a screening net, wherein a first spring is arranged at a predetermined interval along the edge of the screening net, the inner wall of the mounting frame is provided with a baffle part corresponding to the position of the first spring, one end of the first spring is in abutment with the screening net, and the other end is in abutment with the baffle part. The beating assembly is arranged below the screening net, and comprises a driving mechanism, a driving disc, a beating arm and a mounting rack. The mounting rack is provided with a plurality of beating arms capable of relatively rotating, the beating arms are arranged at intervals with the first springs, the driving disc is arranged above the beating arms, the bottom of the driving disc is provided with a pressing part, and the driving mechanism can drive the driving disc to rotate.

2. The screening apparatus of claim 1, wherein, The pressing part can press the end of the beating arm to make the end of the beating arm far away from the driving disc beat the bottom of the screening net.

3. The screening apparatus of claim 2, wherein, The pressing part is a roller structure, the surface of one end of the beating arm close to the pressing part is provided with a pressing track, and the pressing part can roll along the pressing track.

4. The screening apparatus of claim 1, wherein, A plurality of grooves arranged at a predetermined interval are arranged in the pressing track.

5. The screening apparatus of claim 4, wherein, A mounting disc is arranged below the beating arm, the mounting disc is provided with a second spring, and the position of the second spring corresponds to the pressing part.

6. The screening apparatus of claim 5, wherein, The driving mechanism is arranged at the bottom of the mounting disc, the output end of the driving mechanism penetrates through the mounting disc and is connected with the driving disc.

7. The screening apparatus of claim 1, wherein, The driving mechanism is a rotating motor.

8. The screening apparatus of claim 1, wherein, One end of the beating arm close to the screening net is a first beating end, and the other end close to the pressing part is a second beating end. The distance from the first beating end to the mounting rack is greater than the distance from the second beating end to the mounting rack. The end of the beating arm close to the screening net is provided with a beating protrusion.

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