Limestone powder pneumatic conveying device with screening function

Abstract

The utility model discloses a limestone powder pneumatic conveying device with a screening function, which belongs to the technical field of limestone powder pneumatic conveying and comprises a feeding pipe, one end of the feeding pipe is fixedly connected with a dust removal bin, the top of the dust removal bin is fixedly connected with a fan, and the input end of the fan is arranged on the inner side face of the dust removal bin. A connecting pipe is fixedly connected to the bottom of the dust removal bin, a screening box is fixedly connected to the bottom end of the connecting pipe, and a discharging pipe is fixedly connected to the bottom of the screening box; the limestone powder screening device has the beneficial effects that a rotating motor and a rotating plate are arranged, the rotating motor operates to drive a cam to rotate, through cooperation of a connecting spring, a connecting plate and the rotating plate can conduct small-amplitude rotation in a screening box, limestone powder can be screened through first screening holes and second screening holes, and the screening efficiency is improved. And meanwhile, under the action of the other set of rotating plates, people can conveniently conduct secondary screening on the materials.

Description

Technical Field

[0001] The utility model relates to the technical field of limestone powder pneumatic conveying, and more specifically, to a limestone powder pneumatic conveying device with a screening function. Background Art

[0002] Pneumatic transport pipeline refers to a complete set of equipment that uses high-kinetic energy air flow to drive the movement of bulk materials. According to the method of generating the air flow pressure difference in the transport pipeline, pneumatic transport pipeline can be divided into three types: suction type, pressure type and combined type (suction-pressure type).

[0003] For example, a limestone powder pneumatic conveying device with a screening function disclosed in a Chinese patent document, publication number: CN220502023U, publication date: 2024.02.20, although it solves the problem that most pneumatic conveying devices do not have a screening function, when the device is in use, its screening efficiency is low and secondary screening cannot be performed, which is inconvenient to use. Therefore, in view of the above problems, a limestone powder pneumatic conveying device with a screening function is specially proposed. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a limestone powder pneumatic conveying device with a screening function, which has a high screening effect and is convenient for people to perform secondary screening of materials.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides a limestone powder pneumatic conveying device with a screening function, comprising a feed pipe, one end of the feed pipe is fixedly connected to a dust removal bin, the top of the dust removal bin is fixedly connected to a fan, the fan input end is arranged on the inner side of the dust removal bin, the bottom of the dust removal bin is fixedly connected to a connecting pipe, the bottom end of the connecting pipe is fixedly connected to a screening box, the bottom of the screening box is fixedly connected to a feed pipe, the bottom of the feed pipe is fixedly connected to a material box, the two opposite sides of the screening box are fixedly connected to connecting boxes, the side of the connecting box is fixedly connected to a debris box, the two opposite sides of the bottom of the connecting box are fixedly connected to two power boxes, and the inside of the screening box is fixedly connected to the connecting box. The part is movably connected to two rotating plates by a pin shaft, a drainage plate is fixedly connected between the two rotating plates, a connecting plate is fixedly connected to the side of the rotating plate, an arc plate is fixedly connected to the side of the connecting plate, the arc plate is in the debris box, a rotating motor is fixedly connected to the inner side of the power box, a cam is fixedly connected to the output end of the rotating motor, a contact pad is fixedly connected to the bottom of the connecting plate, through holes are provided on the top of the power box and the bottom of the connecting box, the cam is rotatably connected in the through hole, the cam surface overlaps the bottom of the contact pad, a plurality of connecting springs are fixedly connected to the bottom end of the connecting box, and the top of the connecting spring is fixedly connected to the bottom of the connecting plate.

[0008] When using a limestone powder pneumatic conveying device with a screening function according to the technical solution, a rotating motor and a rotating plate are provided. When the rotating motor is running, the cam can be driven to rotate. The connecting plate and the rotating plate can be rotated slightly in the screening box through the cooperation of the connecting spring. The limestone powder can be screened through the first sieve hole and the second sieve hole. At the same time, under the action of another set of rotating plates, people can perform secondary screening of the material.

[0009] Furthermore, a sliding groove and a shrinkage groove are respectively provided inside the rotating plate and the connecting plate.

[0010] Furthermore, the contraction groove is opened on the side of the sliding groove.

[0011] Furthermore, an electric push rod is fixedly connected to the inner side of the shrinkage groove, one end of the electric push rod is fixedly connected to a sliding plate, and the sliding plate is slidably connected in the sliding groove.

[0012] Furthermore, a plurality of first sieve holes are provided at the top and the bottom of the sliding groove, and a plurality of second sieve holes are provided inside the sliding plate.

[0013] Furthermore, a drain valve is provided at the bottom of the sundries box.

[0014] (3) Beneficial effects

[0015] In summary, the utility model has the following beneficial effects:

[0016] 1. The pneumatic conveying device for limestone powder with screening function is provided with a rotating motor and a rotating plate. When the rotating motor is running, the cam can be driven to rotate. The connecting plate and the rotating plate can be rotated slightly in the screening box through the cooperation of the connecting spring. The limestone powder can be screened through the first sieve hole and the second sieve hole. At the same time, under the action of another set of rotating plates, it is convenient for people to perform secondary screening of the material.

[0017] 2. The pneumatic conveying device for limestone powder with screening function is provided with an electric push rod. When the electric push rod is operated, it can drive the sliding plate at one end of the sliding groove to adjust the positions of the first sieve hole and the second sieve hole. By adjusting the relative positions of the first sieve hole and the second sieve hole, the size of the screened particles can be adjusted, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of the utility model in a front view;

[0020] Figure 2 It is a structural schematic diagram of the front view cross section of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the cross section of the connection box in the utility model;

[0022] Figure 4 for Figure 2 The enlarged structural diagram at A in the middle;

[0023] Figure 5 for Figure 3 Schematic diagram of the enlarged structure at point B.

[0024] The symbols in the accompanying drawings are:

[0025] 1. Feed pipe;

[0026] 2. Dust removal bin; 201. Connecting pipe;

[0027] 3. Fan;

[0028] 4. Screening box; 401. Feeding pipe; 402. Connecting box; 403. Debris box; 404. Drain valve; 405. Drain plate; 406. Rotating plate; 407. Connecting plate; 408. First sieve hole; 409. Contraction slot; 4010. Sliding slot; 4011. Electric push rod; 4012. Sliding plate; 4013. Power box; 4014. Rotating motor; 4015. Cam; 4016. Through hole; 4017. Contact pad; 4018. Connecting spring; 4019. Second sieve hole; 4020. Arc plate;

[0029] 5. Material box. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.

[0031] Example:

[0032] The following is combined with Figure 1-5 The utility model is described in further detail.

[0033] See also Figure 1-5The utility model provides a technical solution: a limestone powder pneumatic conveying device with screening function, comprising a feed pipe 1, one end of the feed pipe 1 is fixedly connected to a dust removal bin 2, the top of the dust removal bin 2 is fixedly connected to a fan 3, the input end of the fan 3 is arranged on the inner side of the dust removal bin 2, the bottom of the dust removal bin 2 is fixedly connected to a connecting pipe 201, the bottom end of the connecting pipe 201 is fixedly connected to a screening box 4, the bottom of the screening box 4 is fixedly connected to a discharge pipe 401, the bottom of the discharge pipe 401 is fixedly connected to a material box 5, the two opposite sides of the screening box 4 are fixedly connected to connecting boxes 402, the side of the connecting box 402 is fixedly connected to a debris box 403, the two opposite sides of the bottom of the connecting box 402 are fixedly connected to two power boxes 4013, the inside of the screening box 4 is movably connected to two rotating plates 406 through a pin shaft, and the two rotating plates 4 06, a guide plate 405 is fixedly connected between the rotating plate 406 and the connecting plate 407, a connecting plate 407 is fixedly connected to the side of the connecting plate 407, and the curved plate 4020 is located in the debris box 403. A rotating motor 4014 is fixedly connected to the inner side of the power box 4013, and a cam 4015 is fixedly connected to the output end of the rotating motor 4014. A contact pad 4017 is fixedly connected to the bottom of the connecting plate 407. Through holes 4016 are provided on the top of the power box 4013 and the bottom of the connecting box 402. The cam 4015 is rotatably connected in the through hole 4016, and the surface of the cam 4015 overlaps the bottom of the contact pad 4017. A plurality of connecting springs 4018 are fixedly connected to the bottom end of the connecting box 402, and the top of the connecting spring 4018 is fixedly connected to the bottom of the connecting plate 407.

[0034] By adopting the above technical solution, by setting up a rotating motor 4014 and a rotating plate 406, the operation of the rotating motor 4014 can drive the cam 4015 to rotate, and through the cooperation of the connecting spring 4018, the connecting plate 407 and the rotating plate 406 can be rotated slightly in the screening box 4, and the limestone powder can be screened through the first sieve hole 408 and the second sieve hole 4019. At the same time, under the action of another set of rotating plates 406, people can perform secondary screening of the material.

[0035] See also Figure 4 A sliding groove 4010 and a shrinking groove 409 are respectively provided inside the rotating plate 406 and the connecting plate 407. The shrinking groove 409 is provided on the side of the sliding groove 4010. An electric push rod 4011 is fixedly connected to the side of the shrinking groove 409. A sliding plate 4012 is fixedly connected to one end of the electric push rod 4011. The sliding plate 4012 is slidably connected in the sliding groove 4010. A plurality of first sieve holes 408 are provided at the top and bottom of the sliding groove 4010. A plurality of second sieve holes 4019 are provided inside the sliding plate 4012.

[0036] By adopting the above technical solution, by setting up an electric push rod 4011, the operation of the electric push rod 4011 can drive the sliding plate 4012 at one end of the sliding groove 4010, and the position of the first sieve hole 408 and the second sieve hole 4019 can be adjusted. By adjusting the relative position of the first sieve hole 408 and the second sieve hole 4019, the size of the screened particles can be adjusted, which is more convenient to use.

[0037] See also Figure 2 A drain valve 404 is provided at the bottom of the debris box 403 .

[0038] The working principle of the utility model is:

[0039] When in use, the fan 3 is turned on, and the fan 31 draws air, which can form a negative pressure in the screening box 4, and the limestone powder enters the screening box 4 from the feed pipe 1 along with the airflow, and then the rotating motor 4014 is turned on, and the rotating motor 4014 can drive the cam 4015 to rotate, and through the cooperation of the connecting spring 4018, the connecting plate 407 and the rotating plate 406 can be rotated slightly in the screening box 4, and the limestone powder can be screened through the first sieve hole 408 and the second sieve hole 4019. At the same time, under the action of another group of rotating plates 406, the limestone powder can be screened for a second time, and the screened limestone powder can flow into the material box 5 through the discharge pipe 401, and the screened debris can flow into the debris box 403 through the arc plate 4020;

[0040] By setting up an electric push rod 4011, the operation of the electric push rod 4011 can drive the sliding plate 4012 at one end of the sliding groove 4010, and the positions of the first sieve hole 408 and the second sieve hole 4019 can be adjusted. By adjusting the relative positions of the first sieve hole 408 and the second sieve hole 4019, the size of the screened particles can be adjusted, which is more convenient to use.

[0041] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A limestone powder pneumatic conveying device with screening function, comprising a feed pipe (1), characterized in that: One end of the feed pipe (1) is fixedly connected to a dust removal bin (2), the top of the dust removal bin (2) is fixedly connected to a fan (3), the input end of the fan (3) is arranged on the inner side of the dust removal bin (2), the bottom of the dust removal bin (2) is fixedly connected to a connecting pipe (201), the bottom end of the connecting pipe (201) is fixedly connected to a screening box (4), the bottom of the screening box (4) is fixedly connected to a discharge pipe (401), the bottom of the discharge pipe (401) is fixedly connected to a material box (5), the screening box (4) is fixedly connected to connecting boxes (402) on opposite sides, the side of the connecting box (402) is fixedly connected to a debris box (403), the bottom of the connecting box (402) is fixedly connected to two power boxes (4013), the inside of the screening box (4) is movably connected to two rotating plates (406) via a pin shaft, a guide plate (405) is fixedly connected between the two rotating plates (406), the rotating The rotating plate (406) is fixedly connected to a connecting plate (407) on its side, and the connecting plate (407) is fixedly connected to an arc plate (4020) on its side. The arc plate (4020) is located in the sundries box (403). The inner side of the power box (4013) is fixedly connected to a rotating motor (4014). The output end of the rotating motor (4014) is fixedly connected to a cam (4015). The bottom of the connecting plate (407) is fixedly connected to a contact pad (4016). 017), the top of the power box (4013) and the bottom of the connection box (402) are both provided with through holes (4016), the cam (4015) is rotatably connected in the through hole (4016), the surface of the cam (4015) overlaps the bottom of the contact pad (4017), and a plurality of connection springs (4018) are fixedly connected to the bottom end of the connection box (402), and the top ends of the connection springs (4018) are fixedly connected to the bottom of the connection plate (407).

2. The limestone powder pneumatic conveying device with screening function according to claim 1, characterized in that: The rotating plate (406) and the connecting plate (407) are respectively provided with a sliding groove (4010) and a contraction groove (409) inside.

3. The limestone powder pneumatic conveying device with screening function according to claim 2, characterized in that: The contraction groove (409) is opened on the side of the sliding groove (4010).

4. The limestone powder pneumatic conveying device with screening function according to claim 3 is characterized in that: An electric push rod (4011) is fixedly connected to the inner side of the contraction groove (409), and a sliding plate (4012) is fixedly connected to one end of the electric push rod (4011), and the sliding plate (4012) is slidably connected in the sliding groove (4010).

5. The limestone powder pneumatic conveying device with screening function according to claim 4, characterized in that: The top and bottom of the sliding groove (4010) are both provided with a plurality of first sieve holes (408), and the interior of the sliding plate (4012) is provided with a plurality of second sieve holes (4019).

6. The limestone powder pneumatic conveying device with screening function according to claim 1, characterized in that: A drain valve (404) is provided at the bottom of the debris box (403).

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