CN212238086U

CN212238086U - Drum-type screening machine

Info

Publication number: CN212238086U
Application number: CN202020475578.3U
Authority: CN
Inventors: 曹继维
Original assignee: Fengcheng Fenghua Magnesium Industry Co ltd
Current assignee: Fengcheng Fenghua Magnesium Industry Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-12-29
Anticipated expiration: 2030-04-03

Abstract

The utility model provides a drum-type sieve separator, drum-type sieve separator includes: the device comprises a support frame, a rotating shaft, a driving device, a connecting rod, a roller frame, a feeding hole, a first screen, a first material receiving hole, a second screen, a second material receiving hole, a discharging hole, a connecting part, a connecting hole, a vibration adding part, a pin shaft and a nut; by adopting the connection mode, the screening effect of the product is improved by arranging the two screens, namely, the material with smaller diameter is screened out firstly, so that the condition that the material is accumulated and cannot leak out is avoided, and the screening efficiency of the product is ensured; through will add shake portion and support frame rotation and be connected to the realization is when adding shake portion and meet suddenly the protruding on drum rack or first screen cloth and the second screen cloth, adds shake portion and is opened and anticlockwise rotation by the bullet, when adding shake clockwise turning back of portion, adds shake portion and first screen cloth and second screen cloth bump, makes the vibrations that increase its production, in order to accelerate the speed of material whereabouts, thereby promotes the screening efficiency of product, promotes the user and uses experience.

Description

Drum-type screening machine

Technical Field

The utility model relates to a sieve separator technical field particularly, relates to a drum-type sieve separator.

Background

At present, in the related art, a screening machine realizes a screening function of materials by enabling a roller to rotate ceaselessly; however, when the screening machine is used for screening materials, the materials are usually gathered together and stacked in the roller, so that a lot of block materials with small volume cannot be screened out, the addition of the materials needs to be reduced, the materials are screened for many times, the working efficiency of the screening machine is low, and the production requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

Therefore, the utility model provides a drum-type sieve separator.

In view of this, the utility model provides a drum-type sieve separator, drum-type sieve separator includes: the device comprises a support frame, a rotating shaft, a driving device, a connecting rod, a roller frame, a feeding hole, a first screen, a first material receiving hole, a second screen, a second material receiving hole, a discharging hole, a connecting part, a connecting hole, a vibration adding part, a pin shaft and a nut; the supporting frame is fixed on the ground; the rotating shaft penetrates through two ends of the supporting frame and is rotatably connected with the supporting frame; the driving device is fixed on the supporting frame and is connected with one end of the rotating shaft; one ends of at least two connecting rods are simultaneously fixed on the circumference of the rotating shaft; the roller frame is wound on the outer side of the rotating shaft, is embedded into the supporting frame and is simultaneously connected with the other ends of the at least two connecting rods; the feed inlet is a hollow cavity with openings at two ends, one end of the feed inlet and the other end of the feed inlet form a preset angle, the feed inlet is connected with the bracket, and one end of the feed inlet extends into the roller frame; the first screen is provided with a plurality of first screen holes, the first screen is sleeved on the outer side of one end of the drum frame close to the feed inlet, and the first screen is connected with the drum frame; the first material receiving port is positioned below the first material receiving port, and one end of the first material receiving port is connected with the support frame; the second screen is provided with a plurality of second screen holes, the second screen is sleeved on the outer side of one end of the drum frame far away from the feeding hole, and the second screen is connected with the drum frame; the second material receiving port is positioned below the second material receiving port, and one end of the second material receiving port is connected with the support frame; the discharge port is communicated with the roller frame and is connected with the other end of the support frame far away from the feed port; the two connecting parts are simultaneously connected with the supporting frame; the four connecting holes are respectively arranged on the two connecting parts; one end of each of the two vibration adding parts is respectively connected with the connecting part in a rotating way; external threads are arranged at two ends of the pin shaft, and the two ends of the pin shaft respectively penetrate through the four connecting holes and the two vibration adding rods; the inner wall of each nut is provided with an internal thread, the four nuts are respectively sleeved on the outer sides of two ends of the two pin shafts, and the four nuts are respectively attached to the two connecting parts; wherein the diameter of the first sieve hole is smaller than that of the second sieve hole.

In the technical scheme, firstly, the support frame is fixed on the ground to improve the stability of the product; secondly, the rotating shaft penetrates through two ends of the supporting frame and is rotatably connected with the supporting frame, so that the flexibility of the rotating shaft is improved; thirdly, the driving device is fixed on the support frame and connected with one end of the rotating shaft, so that the driving device drives the rotating shaft to rotate synchronously; thirdly, simultaneously fixing one ends of at least two connecting rods in the circumferential direction of the rotating shaft so as to enable the bracket to synchronously rotate along with the rotating shaft; thirdly, the roller frame is wound on the outer side of the rotating shaft, the roller frame is embedded into the supporting frame, and the roller frame is simultaneously connected with the other ends of the at least two connecting rods, so that the supporting rod drives the roller frame to synchronously rotate; thirdly, the feed port is a hollow cavity with openings at two ends, one end of the feed port and the other end of the feed port form a preset angle, the feed port is connected with the bracket, and one end of the feed port extends into the roller frame so as to add materials into the roller frame through the feed port; thirdly, a plurality of first sieve holes are formed in the first screen, the first screen is sleeved on the outer side of one end, close to the feeding hole, of the drum frame, and the first screen is connected with the drum frame, so that materials entering the drum frame are screened through the first screen, and the materials with the diameters smaller than the first sieve holes are leaked out; thirdly, the first material receiving opening is positioned below the first material receiving opening, and one end of the first material receiving opening is connected with the supporting frame, so that the screened materials are led out through the first material receiving opening; thirdly, a plurality of second sieve holes are formed in the second screen, the second screen is sleeved on the outer side of one end, far away from the feeding hole, of the drum frame, the second screen is connected with the drum frame, the diameter of each second sieve hole is larger than that of each first sieve hole, so that the materials are further screened, and the materials with the diameters smaller than that of the second sieve holes are leaked out; thirdly, the second material receiving port is positioned below the second material receiving port, and one end of the second material receiving port is connected with the supporting frame so as to receive and guide out the materials screened by the second screen; thirdly, the discharge port is communicated with the roller frame and is connected with the other end, far away from the feed port, of the support frame, so that the materials with the diameter larger than that of the second sieve mesh are discharged from the discharge port at the other end of the roller frame; thirdly, the two connecting parts are simultaneously connected with the supporting frame, so that the stability of the connecting parts is improved; thirdly, the four connecting holes are respectively arranged on the two connecting parts, one ends of the two vibration adding parts are respectively rotatably connected with the connecting parts, external threads are arranged at two ends of the pin shaft, two ends of the pin shaft respectively penetrate through the four connecting holes and the two vibration adding rods so as to connect the vibration adding parts with the connecting parts, so that the vibration adding parts collide with the roller frame to bounce when the roller frame rotates, and when the vibration adding parts fall down, the first screen and the second screen are knocked in a colliding mode, so that the first screen and the second screen are shaken, and materials clamped in the first screen and the second screen fall down; and thirdly, the inner wall of the nut is provided with the internal thread, the four nuts are respectively sleeved on the outer sides of the two ends of the two pin shafts, and the four nuts are respectively attached to the two connecting parts, so that the limiting effect of the nuts on the pin shafts is realized, and the pin shafts are prevented from being separated from the connecting parts. By adopting the connection mode, the structure is simple, and the screening effect of the product is improved by arranging two screens, namely, the material with smaller diameter is screened out firstly to reduce the volume of the material in the roller frame, so that the condition that the material is accumulated and cannot leak out is avoided, and the screening efficiency of the product is ensured; through will add shake portion and support frame rotation and be connected to the realization is when adding shake portion and meet suddenly the protruding on drum rack or first screen cloth and the second screen cloth, adds shake portion and is opened and anticlockwise rotation by the bullet, when adding shake clockwise turning back of portion, adds shake portion and first screen cloth and second screen cloth bump, makes the vibrations that increase its production, thereby the speed of acceleration material whereabouts, thereby promote the screening efficiency of product, promote user's use and experience.

Specifically, the vibration adding part is an elastic body, so that the vibration adding part can continuously knock the first screen and the second screen, and the abrasion between the vibration adding part and the roller frame as well as between the first screen and the second screen can be reduced.

Specifically, a gap exists between the vibration adding part and the pin shaft, so that the vibration adding part can rotate more flexibly.

Additionally, the utility model provides an among the above-mentioned technical scheme drum-type sieve separator can also have following additional technical characteristic:

in the above technical solution, preferably, the drum-type screening machine further includes: a third screen and a third material receiving port; the third screen is provided with a plurality of third screen holes, the third screen is sleeved on the outer side of the roller frame, and the third screen is connected with the roller frame; the third material receiving port is positioned below the third screen mesh, and one end of the third material receiving port is connected with the support frame; wherein, the third screen cloth is located between first screen cloth and the second screen cloth, and the third sieve mesh diameter is greater than first sieve mesh diameter and is less than second sieve mesh diameter.

In the technical scheme, the third screen mesh is provided with a plurality of third screen holes, the third screen mesh is sleeved on the outer side of the roller frame, the third screen mesh is connected with the roller frame and is positioned between the first screen mesh and the second screen mesh, and the diameter of the third screen hole is larger than that of the first screen hole and smaller than that of the second screen hole, so that materials are further screened, the materials in the roller frame are prevented from being accumulated, and the materials are ensured to be smoothly leaked out; connect the material mouth to be located third screen cloth below through making the third, the third connects the one end of material mouth to be connected with the support frame to the material of sieving out from the third screen cloth leads, is convenient for collect.

In the above technical solution, preferably, the drum-type screening machine further includes: a support plate; the backup pad is located the feed inlet below, and the backup pad is connected with the support.

In this technical scheme, be located the feed inlet below through making the backup pad, and the backup pad is connected with the support to support the feed inlet, thereby further promote the stability of feed inlet.

In the above technical solution, preferably, the drum-type screening machine further includes: a material receiving box; the material receiving box is positioned below the material outlet.

In this technical scheme, connect the workbin to be located the bin outlet below through making to collect the material that can't spill, the subsequent processing of being convenient for.

In the above technical solution, preferably, the drum-type screening machine further includes: a fixed mount; the fixing frame is connected with the supporting frame, and the driving device is fixed on the fixing frame.

In this technical scheme, through being connected mount and support frame, and drive arrangement fixes on the mount to realize support and fixed action to drive arrangement, thereby promote drive arrangement's stability.

In the above technical solution, preferably, the driving device further includes: a motor and a speed reducer; the motor comprises a motor shaft, and is fixed on the fixing frame; the speed reducer comprises an input shaft and an output shaft, a motor shaft is connected with the input shaft, the output shaft is connected with the rotating shaft, and the motor is fixed on the fixing frame.

In this technical scheme, through fixing the motor on the mount to be connected the motor shaft with the input shaft, the output shaft is connected with the pivot, and the motor is fixed on the mount to reduce the rotational speed of motor through the speed reducer, thereby make the pivot rotational speed reduce, with the centrifugal force that reduces the material and receive, ensure that the material can be sifted out and drop.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

figure 1 shows a schematic structural view of a drum screening machine according to one embodiment of the present invention;

fig. 2 is an enlarged partial view of a portion a of the schematic structural view of the drum type screening machine of fig. 1 according to an embodiment of the present invention;

figure 3 shows a schematic structural view of a drum screening machine according to another embodiment of the present invention;

wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:

10 support frames, 12 rotating shafts, 14 driving devices, 16 connecting rods, 18 roller frames, 20 feeding ports, 22 first screens, 24 first material receiving ports, 26 second screens, 28 second material receiving ports, 30 material discharging ports, 32 connecting portions, 34 vibration adding portions, 36 pin shafts, 38 nuts, 40 third screens, 42 third material receiving ports, 44 support plates, 46 material receiving boxes, 48 fixing frames and 50 supports.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A drum screening machine according to some embodiments of the present invention is described below with reference to fig. 1-3.

In the embodiment of the utility model, as shown in fig. 1 to fig. 3, the utility model provides a drum-type screening machine, drum-type screening machine includes: the device comprises a support frame 10, a rotating shaft 12, a driving device 14, a connecting rod 16, a roller frame 18, a feeding hole 20, a first screen 22, a first material receiving hole 24, a second screen 26, a second material receiving hole 28, a discharging hole 30, a connecting part 32, a connecting hole, a vibration adding part 34, a pin shaft 36 and a nut 38; the support frame 10 is fixed on the ground; the rotating shaft 12 penetrates through two ends of the support frame 10, and the rotating shaft 12 is rotatably connected with the support frame 10; the driving device 14 is fixed on the supporting frame 10, and the driving device 14 is connected with one end of the rotating shaft 12; one ends of at least two connecting rods 16 are simultaneously fixed on the circumferential direction of the rotating shaft 12; the roller frame 18 is wound on the outer side of the rotating shaft 12, the roller frame 18 is embedded in the supporting frame 10, and the roller frame 18 is simultaneously connected with the other ends of the at least two connecting rods 16; the feed inlet 20 is a hollow cavity with openings at two ends, one end of the feed inlet 20 and the other end of the feed inlet 20 form a preset angle, the feed inlet 20 is connected with the bracket 50, and one end of the feed inlet 20 extends into the roller frame 18; the first screen 22 is provided with a plurality of first screen holes, the first screen 22 is sleeved on the outer side of one end of the roller frame 18 close to the feed port 20, and the first screen 22 is connected with the roller frame 18; the first material receiving opening 24 is positioned below the first material receiving opening 24, and one end of the first material receiving opening 24 is connected with the support frame 10; the second screen 26 is provided with a plurality of second screen holes, the second screen 26 is sleeved on the outer side of one end of the roller frame 18 far away from the feed port 20, and the second screen 26 is connected with the roller frame 18; the second material receiving port 28 is located below the second material receiving port 28, and one end of the second material receiving port 28 is connected with the support frame 10; the discharge opening 30 is communicated with the roller frame 18, and the discharge opening 30 is connected with the other end of the support frame 10 far away from the feed opening 20; the two connecting parts 32 are connected with the support frame 10 at the same time; four connection holes are respectively provided on the two connection portions 32; one ends of the two vibration adding parts 34 are respectively connected with the connecting part 32 in a rotating way; external threads are arranged at two ends of the pin shaft 36, and two ends of the pin shaft 36 respectively penetrate through the four connecting holes and the two vibration adding rods; inner threads are arranged on the inner walls of the nuts 38, the four nuts 38 are respectively sleeved on the outer sides of two ends of the two pin shafts 36, and the four nuts 38 are respectively attached to the two connecting parts 32; wherein the diameter of the first sieve hole is smaller than that of the second sieve hole.

In this embodiment, first, the stability of the product is improved by fixing the support stand 10 on the ground; secondly, the rotating shaft 12 penetrates through two ends of the support frame 10, and the rotating shaft 12 is rotatably connected with the support frame 10, so that the flexibility of the rotating shaft 12 is improved; thirdly, the driving device 14 is fixed on the support frame 10, and the driving device 14 is connected with one end of the rotating shaft 12, so that the driving device 14 drives the rotating shaft 12 to rotate synchronously; thirdly, fixing one ends of at least two connecting rods 16 on the circumferential direction of the rotating shaft 12 at the same time, so that the bracket 50 rotates synchronously with the rotating shaft 12; thirdly, the roller frame 18 is wound on the outer side of the rotating shaft 12, the roller frame 18 is embedded into the support frame 10, and the roller frame 18 is simultaneously connected with the other ends of the at least two connecting rods 16, so that the roller frame 18 is driven by the supporting rod to rotate synchronously; thirdly, the feed port 20 is a hollow cavity with openings at two ends, one end of the feed port 20 and the other end of the feed port 20 form a preset angle, the feed port 20 is connected with the bracket 50, and one end of the feed port 20 extends into the roller frame 18, so that materials are added into the roller frame 18 through the feed port 20; thirdly, a plurality of first sieve holes are formed in the first screen 22, the first screen 22 is sleeved on the outer side of one end, close to the feed inlet 20, of the roller frame 18, and the first screen 22 is connected with the roller frame 18, so that materials entering the roller frame 18 are screened through the first screen 22, and the materials with the diameter smaller than that of the first sieve holes are leaked out; thirdly, the first material receiving opening 24 is positioned below the first material receiving opening 24, and one end of the first material receiving opening 24 is connected with the support frame 10, so that the screened materials are led out through the first material receiving opening 24; thirdly, a plurality of second sieve holes are formed in the second screen 26, the second screen 26 is sleeved on the outer side of one end, far away from the feed inlet 20, of the roller frame 18, the second screen 26 is connected with the roller frame 18, the diameter of each second sieve hole is larger than that of each first sieve hole, so that the materials are further screened, and the materials with the diameters smaller than that of the second sieve holes are leaked out; thirdly, the second material receiving port 28 is positioned below the second material receiving port 28, and one end of the second material receiving port 28 is connected with the support frame 10, so as to receive and guide out the materials screened out by the second screen mesh 26; thirdly, materials with the diameter larger than the second sieve mesh are discharged from the discharge opening 30 at the other end of the roller frame 18 by communicating the discharge opening 30 with the roller frame 18 and connecting the discharge opening 30 with the other end of the support frame 10 far away from the feed opening 20; thirdly, the two connecting parts 32 are simultaneously connected with the support frame 10, so that the stability of the connecting parts 32 is improved; thirdly, the four connecting holes are respectively arranged on the two connecting parts 32, one ends of the two vibration adding parts 34 are respectively rotatably connected with the connecting parts 32, external threads are arranged at two ends of the pin shaft 36, two ends of the pin shaft 36 respectively penetrate through the four connecting holes and the two vibration adding rods, so that the vibration adding parts 34 are connected with the connecting parts 32, when the roller frame 18 rotates, the vibration adding parts 34 collide with the roller frame 18 to bounce, and when the vibration adding parts 34 fall down, the first screen 22 and the second screen 26 are knocked in a collision manner, so that the vibration occurs, and materials clamped in the first screen 22 and the second screen 26 fall down; thirdly, through the internal thread arranged on the inner wall of the nut 38, the four nuts 38 are respectively sleeved on the outer sides of the two ends of the two pin shafts 36, and the four nuts 38 are respectively attached to the two connecting portions 32, so that the limiting effect of the nuts 38 on the pin shafts 36 is realized, and the pin shafts 36 are prevented from being separated from the connecting portions 32. By adopting the connection mode, the structure is simple, and the screening effect of the product is improved by arranging two screens, namely, the material with smaller diameter is screened out firstly to reduce the volume of the material in the roller frame 18, so that the condition that the material is accumulated and cannot leak out is avoided, and the screening efficiency of the product is ensured; through being connected with the rotation of support frame 10 with adding shake portion 34, in order to realize when adding shake portion 34 and meet suddenly the drum rack 18 or first screen cloth 22 and the second screen cloth 26 on the protruding, add shake portion 34 and be popped open and anticlockwise rotation, when adding shake portion 34 clockwise rotation back, add shake portion 34 and first screen cloth 22 and second screen cloth 26 bump, make the vibrations that increase its production, thereby accelerate the speed of material whereabouts, thereby promote the screening efficiency of product, promote user experience.

Specifically, the vibration applying portion 34 is an elastic body, so that the vibration applying portion 34 continuously strikes the first screen 22 and the second screen 26, and abrasion between the vibration applying portion 34 and the roller frame 18 and between the first screen 22 and the second screen 26 can be reduced.

Specifically, a gap exists between the vibration adding part 34 and the pin shaft 36, so that the vibration adding part 34 can rotate more flexibly.

In an embodiment of the present invention, preferably, as shown in fig. 1, the drum type screening machine further includes: a third screen 40 and a third receiving port 42; the third screen 40 is provided with a plurality of third screen holes, the third screen 40 is sleeved on the outer side of the roller frame 18, and the third screen 40 is connected with the roller frame 18; the third material receiving port 42 is positioned below the third screen 40, and one end of the third material receiving port 42 is connected with the support frame 10; wherein the third screen 40 is positioned intermediate the first screen 22 and the second screen 26, and the third screen diameter is greater than the first screen diameter and less than the second screen diameter.

In this embodiment, a plurality of third screen holes are formed in the third screen 40, the third screen 40 is sleeved on the outer side of the roller frame 18, the third screen 40 is connected with the roller frame 18, the third screen 40 is located between the first screen 22 and the second screen 26, and the diameter of the third screen hole is larger than the diameter of the first screen hole and smaller than the diameter of the second screen hole, so as to further screen the material, thereby avoiding the material in the roller frame 18 from being stacked and ensuring the material to be smoothly leaked out; one end of the third receiving port 42 is connected to the supporting frame 10 by locating the third receiving port 42 below the third screen 40, so as to guide the material screened out from the third screen 40 for collection.

In an embodiment of the present invention, preferably, as shown in fig. 1, the drum type screening machine further includes: a support plate 44; the support plate 44 is positioned below the feed port 20, and the support plate 44 is connected to the bracket 50.

In this embodiment, the support plate 44 is positioned below the throat 20 and the support plate 44 is coupled to the bracket 50 to support the throat 20, thereby further enhancing the stability of the throat 20.

In an embodiment of the present invention, preferably, as shown in fig. 1 and 3, the drum type screening machine further includes: a material receiving box 46; a receiving box 46 is located below the discharge opening 30.

In this embodiment, the collection of non-leaking material is facilitated by the placement of the receiving bin 46 below the discharge opening 30.

In an embodiment of the present invention, preferably, as shown in fig. 1 and 3, the drum type screening machine further includes: a mount 48; the fixing frame 48 is connected with the supporting frame 10, and the driving device 14 is fixed on the fixing frame 48.

In this embodiment, the fixing frame 48 is connected to the supporting frame 10, and the driving device 14 is fixed on the fixing frame 48, so as to support and fix the driving device 14, thereby improving the stability of the driving device 14.

In an embodiment of the present invention, preferably, as shown in fig. 1 and 3, the driving device 14 further includes: a motor and a speed reducer; the motor comprises a motor shaft, and is fixed on the fixing frame 48; the speed reducer comprises an input shaft and an output shaft, a motor shaft is connected with the input shaft, the output shaft is connected with the rotating shaft 12, and the motor is fixed on the fixing frame 48.

In this embodiment, the motor is fixed on the fixing frame 48, and the motor shaft is connected with the input shaft, the output shaft is connected with the rotating shaft 12, and the motor is fixed on the fixing frame 48, so as to reduce the rotating speed of the motor through the speed reducer, thereby reducing the rotating speed of the rotating shaft 12, reducing the centrifugal force received by the material, and ensuring that the material can be screened out and fall.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A drum-type screening machine, characterized in that, the drum-type screening machine includes:

the supporting frame is fixed on the ground;

the rotating shafts penetrate through two ends of the supporting frame and are rotatably connected with the supporting frame;

the driving device is fixed on the supporting frame and is connected with one end of the rotating shaft;

one ends of at least two connecting rods are simultaneously fixed on the circumferential direction of the rotating shaft;

the roller frame is wound on the outer side of the rotating shaft, is embedded into the supporting frame and is simultaneously connected with the other ends of the at least two connecting rods;

the bracket is fixed on the ground;

the feeding hole is a hollow cavity with openings at two ends, one end of the feeding hole and the other end of the feeding hole form a preset angle, the feeding hole is connected with the bracket, and one end of the feeding hole extends into the roller frame;

the first screen is provided with a plurality of first screen holes, the first screen is sleeved on the outer side of one end, close to the feed port, of the drum frame, and the first screen is connected with the drum frame;

the first material receiving port is positioned below the first material receiving port, and one end of the first material receiving port is connected with the support frame;

the second screen is provided with a plurality of second screen holes, the second screen is sleeved on the outer side of one end, far away from the feed port, of the roller frame, and the second screen is connected with the roller frame;

the second material receiving port is positioned below the second material receiving port, and one end of the second material receiving port is connected with the support frame;

the discharge opening is communicated with the roller frame and is connected with the other end, far away from the feed inlet, of the support frame;

the two connecting parts are simultaneously connected with the supporting frame;

the four connecting holes are respectively arranged on the two connecting parts;

one end of each of the two vibration adding parts is rotatably connected with the connecting part;

the two ends of the pin shaft are provided with external threads, and the two ends of the pin shaft respectively penetrate through the four connecting holes and the two vibration adding rods;

the inner wall of each nut is provided with an internal thread, the four nuts are respectively sleeved on the outer sides of two ends of the two pin shafts, and the four nuts are respectively attached to the two connecting parts;

wherein the first mesh diameter is smaller than the second mesh diameter.

2. The roller screening machine as recited in claim 1, further comprising:

the third screen is provided with a plurality of third screen holes, the third screen is sleeved on the outer side of the roller frame, and the third screen is connected with the roller frame;

the third material receiving port is positioned below the third screen mesh, and one end of the third material receiving port is connected with the support frame;

wherein the third screen is located between the first screen and the second screen, and the third screen diameter is larger than the first screen diameter and smaller than the second screen diameter.

3. The roller screening machine as recited in claim 2, further comprising:

the backup pad, the backup pad is located the feed inlet below, just the backup pad with the support is connected.

4. The roller screening machine as recited in claim 3, further comprising:

the material receiving box is located below the discharge port.

5. The roller screening machine as recited in claim 4, further comprising:

the fixing frame is connected with the supporting frame, and the driving device is fixed on the fixing frame.

6. The drum screening machine as recited in claim 5, wherein said drive means further comprises:

the motor comprises a motor shaft, and is fixed on the fixing frame;

the speed reducer comprises an input shaft and an output shaft, the motor shaft is connected with the input shaft, the output shaft is connected with the rotating shaft, and the motor is fixed on the fixing frame.