Screening type feeding device for blocky asphalt production

Abstract

The utility model relates to the technical field of asphalt production feeding, and discloses a screening type feeding device for blocky asphalt production, which comprises an outer barrel and a screening barrel, the screening barrel is arranged in the outer barrel, a conical guide part is arranged at the bottom of the outer barrel, a limiting pipe is vertically mounted in the center of the bottom of the conical guide part, and a feeding hole is formed in the outer barrel. A feeding port is formed in the end, close to the conical guiding part, of the limiting pipe. When asphalt raw materials are screened and discharged, the raw materials are poured from the end opening of the upper end of the outer barrel and then pass through the conical screening part on the screening barrel, the qualified raw materials enter the screening barrel and then are discharged from the discharging pipe, and therefore screening and discharging are completed. And unqualified raw materials slide to the conical guide part from a gap between the screening barrel and the outer barrel under the guide of the conical screening part, then the spiral conveying rod is driven by the motor to rotate, and the unqualified raw materials entering the bottom end of the limiting pipe through the feeding opening are conveyed to the conical screening part at the top of the screening barrel again to be screened again.

Description

TECHNICAL FIELD

[0001] The utility model relates to bitumen production feeding technology field, concretely is a kind of screening formula block bitumen production is used feeding device. BACKGROUND

[0002] Block bitumen is a kind of material mixed by bitumen and mineral aggregate (such as stone, sand, etc.), its appearance is usually block or flake, block bitumen needs to be separated according to different particle size when producing, to meet the requirement of raw material granularity for subsequent production process, ensure the uniformity and stability of bituminous mixture, improve the quality and durability of asphalt pavement.

[0003] The existing block bitumen production feeding device is generally screened and filtered by screening filter screen when screening raw materials, but there is still unfiltered raw material in the screened raw material, which needs to be screened again, and the common secondary screening method needs workers to re-input the filtered raw material into the feeding device for secondary screening, which increases the labor intensity of workers, and the equipment will have a gap period when feeding again, which reduces the screening efficiency of the feeding device. Therefore, the technical personnel in the art provide a kind of screening formula block bitumen production is used feeding device to solve the problems raised in the above background technology. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of screening formula block bitumen production is used feeding device to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of screening formula block bitumen production is used feeding device, including outer tube and screening cylinder, the screening cylinder is arranged in outer tube, the bottom of outer tube is provided with conical guide part, the bottom center of conical guide part is vertically installed with limit tube, limit tube is adjacent conical guide part and is opened with feed inlet in one end, the limit tube is provided with spiral conveying rod, and the top of spiral conveying rod is driven and connected with motor, the top of screening cylinder is provided with conical screening part, the bottom side wall of the internal chamber of screening cylinder is inclined, and the bottom end one side of screening cylinder is connected with discharge pipe.

[0006] Preferably, a fixing rod is arranged on the outer wall of the screening cylinder, and the screening cylinder is connected to the inner wall of the outer cylinder through the fixing rod.

[0007] Preferably, the inclination angle of the discharging pipe is consistent with the inclination angle of the bottom side wall of the internal cavity of the screening cylinder, and the qualified raw material is discharged from the discharging pipe after entering the screening cylinder, thereby completing the screening and discharging.

[0008] Preferably, the limiting pipe penetrates the screening cylinder, and the upper end port of the limiting pipe protrudes from the conical screening part, the unqualified raw material is guided by the conical screening part to slide from the gap between the screening cylinder and the outer cylinder to the conical guiding part, and then the unqualified raw material entering the bottom end of the limiting pipe through the feeding port is conveyed to the conical screening part at the top of the screening cylinder again to be screened again by the rotation of the screw conveying rod driven by the motor.

[0009] Preferably, a mounting plate is arranged at the upper end port of the outer cylinder, and the motor is fixedly arranged on the mounting plate, thereby supporting and fixing the motor.

[0010] Preferably, an electromagnetic valve is arranged at the bottom of the conical guiding part, and the electromagnetic valve is opened to discharge the unqualified raw material after the repeated screening does not contain qualified raw material.

[0011] Preferably, a support is arranged at the lower part of the outer cylinder, thereby stably supporting the device.

[0012] Compared with the prior art, the present application provides a screening type block asphalt production feeding device, which has the following beneficial effects:

[0013] When the asphalt raw material is screened and discharged, the raw material is poured from the upper end port of the outer cylinder, the qualified raw material is discharged from the discharging pipe after entering the screening cylinder, thereby completing the screening and discharging, and the unqualified raw material is guided by the conical screening part to slide from the gap between the screening cylinder and the outer cylinder to the conical guiding part, and then the unqualified raw material entering the bottom end of the limiting pipe through the feeding port is conveyed to the conical screening part at the top of the screening cylinder again to be screened again by the rotation of the screw conveying rod driven by the motor, thereby reducing the labor intensity of the workers, and the continuous repeated feeding does not cause the device to have an idle period, thereby avoiding the phenomenon of reducing the efficiency of the feeding and screening device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a perspective structural schematic view of a screening type block asphalt production feeding device provided by the present application.

[0015] Figure 2 is a structural sectional view of the outer cylinder of a screening type block asphalt production feeding device provided by the present application.

[0016] Figure 3 It is a structure sectional view of a screening cylinder in a screening type block asphalt production feeding device provided by the embodiment of the application.

[0017] In the figure: 1, outer cylinder; 2, conical guide part; 3, electromagnetic valve; 4, support; 5, mounting plate; 6, motor; 7, spiral conveying rod; 8, limiting tube; 9, feeding port; 10, screening cylinder; 11, conical screening part; 12, discharging pipe; 13, fixing rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] The utility model provides a technical scheme, a screening type block asphalt production feeding device, please refer to Figure 1 、 Figure 2 、 Figure 3 , including outer cylinder 1 and screening cylinder 10, the screening cylinder 10 is arranged in outer cylinder 1, the bottom of outer cylinder 1 is provided with conical guide part 2, the bottom center of conical guide part 2 is vertically installed with limiting tube 8, and the end adjacent to conical guide part 2 of limiting tube 8 is provided with feeding port 9, the limiting tube 8 is provided with spiral conveying rod 7, and the top of spiral conveying rod 7 is drivenly connected with motor 6, the top of the screening cylinder 10 is provided with conical screening part 11, the bottom side wall of the internal chamber of the screening cylinder 10 is inclined, the bottom end side of the screening cylinder 10 is connected with discharging pipe 12, the upper end port of outer cylinder 1 is installed with mounting plate 5, and motor 6 is fixedly installed with mounting plate 5, so as to form support fixing effect for motor 6, the lower part of outer cylinder 1 is installed with support 4, and the device is stably supported.

[0020] Please refer to Figure 2 、 Figure 3, the inclination angle of the downcomer 12 is consistent with the inclination angle of the bottom side wall of the internal chamber of the screening cylinder 10, the qualified raw materials are discharged from the downcomer 12 after entering the screening cylinder 10, so as to complete the screening and discharging, the outer wall of the screening cylinder 10 is provided with a fixing rod 13, the screening cylinder 10 is connected with the inner wall of the outer cylinder 1 through the fixing rod 13, a gap is arranged between the outer wall of the screening cylinder 10 and the inner wall of the outer cylinder 1, the limiting pipe 8 penetrates through the screening cylinder 10, the upper end port of the limiting pipe 8 protrudes from the conical screening part 11, the unqualified raw materials are guided by the conical screening part 11 and slide from the gap between the screening cylinder 10 and the outer cylinder 1 to the conical guiding part 2, then the unqualified raw materials entering the bottom end of the limiting pipe 8 through the feeding port 9 are conveyed to the conical screening part 11 at the top of the screening cylinder 10 again to be screened again, the bottom of the conical guiding part 2 is provided with an electromagnetic valve 3, and after the repeated screening is completed and the raw materials do not contain qualified raw materials, the electromagnetic valve 3 can be opened to discharge the unqualified raw materials after multiple screening.

[0021] The utility model discloses a blocky pitch production feeding device is formed by outer cylinder 1 and screening cylinder 10, wherein the top of outer cylinder 1 is open type, the bottom of outer cylinder 1 is provided as conical guiding part 2, the bottom of conical guiding part 2 is provided with electromagnetic valve 3, screening cylinder 10 is arranged in the inside of outer cylinder 1, the top of screening cylinder 10 is provided with conical screening part 11, the bottom side wall of the internal chamber of screening cylinder 10 is inclined, the downcomer 12 is installed on one side of screening cylinder 10, the inclination angle of the downcomer 12 is consistent with the inclination angle of the bottom side wall of the internal chamber of the screening cylinder 10, the qualified raw materials are discharged from the downcomer 12 after entering the screening cylinder 10, so as to complete the screening and discharging, the outer wall of the screening cylinder 10 is provided with a fixing rod 13, the screening cylinder 10 is connected with the inner wall of the outer cylinder 1 through the fixing rod 13, a gap is arranged between the outer wall of the screening cylinder 10 and the inner wall of the outer cylinder 1,

[0022] The limiting pipe 8 vertically penetrates through the middle part of the screening cylinder 10, the bottom end of the limiting pipe 8 is arranged in the conical guiding part 2, and the bottom end of the limiting pipe 8 arranged in the conical guiding part 2 is provided with a feeding port 9, a spiral conveying rod 7 is arranged in the limiting pipe 8, the top end of the spiral conveying rod 7 is drivingly connected with a motor 6, and the motor 6 is fixedly installed with the outer cylinder 1 through a mounting plate 5;

[0023] When the asphalt raw material is screened and discharged, the raw material is poured from the upper end port of the outer cylinder 1, and the qualified raw material enters the screening cylinder 10 and is discharged from the discharge pipe 12 after the screening, thereby completing the screening and discharging, and the unqualified raw material slides to the conical guide part 2 from the gap between the screening cylinder 10 and the outer cylinder 1 under the guidance of the conical screening part 11, and then the unqualified raw material entering the limiting pipe 8 bottom through the feeding port 9 is transported to the conical screening part 11 at the top of the screening cylinder 10 again for screening, which reduces the labor intensity of the workers, and the continuous repeated feeding does not cause the equipment to have an idle period, avoiding the phenomenon of reducing the efficiency of the feeding and screening equipment.

[0024] And after repeated screening, when the raw material does not contain qualified raw material, the electromagnetic valve 3 can be opened to discharge the unqualified raw material after multiple screening.

[0025] It should be noted that in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0026] In this text, unless otherwise explicitly specified and limited, the terms "mount", "set", "connect", "fix", "screw" and other terms should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning in the utility model for ordinary skilled persons in the art.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A feeding device for producing sieveable block asphalt, comprising an outer cylinder (1) and a screening cylinder (10), characterized in that: The screening cylinder (10) is set inside the outer cylinder (1). The bottom of the outer cylinder (1) is provided with a conical guide part (2). A limiting tube (8) is vertically installed at the center of the bottom of the conical guide part (2). A feed inlet (9) is opened at one end of the limiting tube (8) adjacent to the conical guide part (2). A spiral conveying rod (7) is provided inside the limiting tube (8). A motor (6) is driven and connected to the top of the spiral conveying rod (7). A conical screening part (11) is provided at the top of the screening cylinder (10). The bottom side wall of the internal cavity of the screening cylinder (10) is inclined. A feed pipe (12) is connected to one side of the bottom end of the screening cylinder (10).

2. The feeding device for producing screenable block asphalt according to claim 1, characterized in that: A fixing rod (13) is installed on the outer wall of the screening cylinder (10). The screening cylinder (10) is connected to the inner wall of the outer cylinder (1) through the fixing rod (13). A gap is provided between the outer wall of the screening cylinder (10) and the inner wall of the outer cylinder (1).

3. The feeding device for producing screenable block asphalt according to claim 1, characterized in that: The inclination angle of the feed pipe (12) is consistent with the inclination angle of the bottom side wall of the internal cavity of the screening cylinder (10).

4. The feeding device for producing screenable block asphalt according to claim 1, characterized in that: The limiting tube (8) penetrates the screening cylinder (10), and the upper end of the limiting tube (8) protrudes from the conical screening section (11).

5. The feeding device for producing screenable block asphalt according to claim 1, characterized in that: An mounting plate (5) is installed at the upper end of the outer cylinder (1), and the motor (6) is fixedly installed on the mounting plate (5).

6. The feeding device for producing screenable block asphalt according to claim 1, characterized in that: A solenoid valve (3) is installed at the bottom of the tapered guide (2).

7. The feeding device for producing screenable block asphalt according to claim 1, characterized in that: A bracket (4) is installed at the lower part of the outer cylinder (1).

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