TWI812300B - Adjustable particle screening device and combination with the device - Google Patents

Abstract

An adjustable particle screening device and a combination thereof, which at least include a base and a conveying part; the base has a corresponding first side, a second side and a circumferential side, and the first side is formed by at least two corresponding hollow frames with frame edges; the conveying part is arranged on the first side of the base The side has a first end and a second end for placing a workpiece on one side of the conveying part, and includes at least two spaced apart shafts, a driving part and a plurality of discs, with two ends of each shaft fixed respectively. On the two frame sides corresponding to the first side, each shaft rod spans the first side side, and the driving part is provided on one side of each shaft rod to drive its rotation. Each disk passes through each shaft rod with its center to rotate in series. It is arranged between the two ends of each shaft and rotates in conjunction with each shaft to push the workpiece through the gap between the discs to achieve the effect of screening particles.

Description

Adjustable particle screening device and combination with the same

The present invention relates to a particle screening device, in particular to an adjustable particle screening device and a combination with the device.

According to the traditional screening machine, a tilted drum is mainly installed on a base. The drum is rotated by a motor. Each section of the drum is used to set screens with different sized meshes. The drum inlet is The poured sand and gravel can be screened and divided by the screening machine, and then fall out from the sieve holes respectively. The main problem of the traditional screening machine mentioned above is that it will be driven by heavier working objects such as sand and gravel. Difficulty, and the machine needs to be shut down for troubleshooting or maintenance, which affects work efficiency.

There is also a conventional screening machine, which includes a body, a power device and multiple sets of screening units. The body has two opposite frames, and the two frames are jointly provided with a plurality of shafts that are spaced apart from each other. Each shaft is connected to the power unit, so that the power unit can be used to drive the shafts to rotate in the same direction, and the middle section of each shaft is set in a square shape, so that each shaft provides a set of screening units. It is fixed and the screening units on the two adjacent shafts are kept misaligned with each other. This misalignment prevents the screening units from interfering with each other during operation. Each screening unit has a sleeve fixed on each shaft. There are a plurality of action parts on the top, and a spacer plate is set between each two action parts. Each action part is set in a polygonal shape, so that each action part can protrude from each spacer plate with its corners. The gap formed by the spacer plate and the separated action parts achieves the effect of screening the particle size; however, each action part is If it is a polygonal shape, the gap caused by the rotation of each shaft will change greatly, resulting in uneven particle size when screening.

The main purpose of the present invention is to provide an adjustable particle screening device and a combination with the device, which can achieve better uniformity in the size of the screened particles.

A secondary purpose of the present invention is to provide an adjustable particle screening device and a combination thereof, which have a convenient assembly structure to instantly change the size of the screening particles.

Another object of the present invention is to provide an adjustable particle screening device and a combination with the device, which have a better combination method to meet the production line's production capacity and space requirements.

Therefore, in order to achieve the aforementioned purpose, the present invention provides an adjustable particle screening device and a combination thereof, which at least includes a base and a conveying part; the base has a corresponding first side, a the second side and a peripheral side located between the first side and the second side, wherein the first side is formed by at least two hollow frames with corresponding frame edges; the conveying part is provided on the first side of the base The conveying part has a first end and a second end for placing a workpiece on one side of the conveying part and conveying the workpiece from the first end to the second end; the conveying part includes at least two spaced apart shafts, A driving part and a plurality of discs, the two ends of each shaft are respectively fixed on the two corresponding frame edges of the first side, so that each shaft is arranged across the first side, and the driving part is arranged on one side of each shaft It is used to drive each shaft to rotate relative to a rotation axis. Each plurality of discs are inserted into each shaft with its center and are arranged in series between the two ends of each shaft and rotated in conjunction with each shaft. Pushing a workpiece through the gaps between the plurality of discs achieves the effect of screening the particle size.

Below, the preferred embodiments of the present invention are cited and further described in detail with reference to the drawings:

Please refer to Figures 1, 2 and 3. The adjustable particle screening device 10 disclosed in the present invention at least includes a base 12 and a conveying part 14.

The base 12 has a corresponding first side 22, a second side 24 and a circumferential side 26 located between the first side 22 and the second side 24. The base 12 can be structurally Several stem bodies are connected to each other to form a frame body with a plurality of ribs, in which the first side 22 is formed by at least two hollow frames of corresponding frame edges 221 .

The conveying part 14 is provided on the first side 22 of the base 12. The conveying part 14 has a first end 41 and a second end 42 for placing a workpiece on one side of the conveying part 14 to transfer the workpiece. The workpiece is conveyed from the first end 41 to the second end 42, and the direction from the first end 41 to the second end 42 is defined as a conveying direction.

The conveying part 14 includes at least two spaced apart shafts 43 , a driving part 44 and a plurality of discs 45 . The two ends of each shaft 43 are respectively fixed on the two frame edges 221 corresponding to the first side 22 , so that Each shaft 43 is disposed across the first side 22 , and the driving part 44 is provided on one side of each shaft 43 for driving each shaft 43 to rotate relative to a rotation axis S respectively. The driving part 44 It includes a motor 441 and a transmission member 442 such as a gear or a pulley, which are disposed at one end of each shaft 43. The transmission member 442 is used to be rotated by the motor 441. The transmission member 442 and the power output end of the motor 441 A chain or a belt can be connected between them to achieve power transmission.

Each of the plurality of discs 45 has its center inserted through each of the shafts 43 and is arranged in series between the two ends of each of the shafts 43 to be rotated in conjunction with each of the shafts 43. The plurality of discs 45 include A first set of discs 451 with a large diameter and a second set of discs 452 with a small diameter. The second set of discs 452 of a shaft 43 are alternately arranged between the first set of discs 451. The first group of discs 451 of the other shaft 43 are alternately arranged between the second group of discs 452; in addition, the first group of discs 451 of one of the shafts 43 is arranged with a first gap 451'. Corresponding to the second set of discs 452 of the other shaft 43, the second set of discs 452 of the other shaft 43 has a second gap 452' corresponding to the first set of discs of the other shaft 43. 451; The first group of disks 451 of one of the shafts 43 will not enter the first gap 451' of the other shaft 43 to avoid component interference and particle blocking rotation.

Please refer to Figure 3, Figure 4 and Figure 5. The adjustable particle screening device 10 disclosed by the present invention has a bearing 431 between the two ends of each shaft 43 and the corresponding frame edge 221. The bearing 431 The middle part is used to carry and pivot each shaft 43. The two ends of the bearing 431 are respectively provided with an adjustment part for adjusting the position of each shaft 43 and each bearing 431 in the direction transverse to the rotation axis S. To adjust the size of each first gap 451' and each second gap 452', in order to meet the needs of screening particle size, the conveying part 14 of the present invention is shown in the figure as each first gap 451' is equal to each Second gap 452'.

The adjustment part includes a long hole 432, a screw hole 433 and a bolt 434. The long hole 432 is provided through the bearing 431, and the screw hole 433 has an internal thread and is provided on the frame edge 221. , the bolt 434 has an external thread for passing through the elongated hole 432 and the screw hole 433, and thereby fixing the bearing 431, wherein the elongated hole 432 is used to adjust each of the shafts 43 and each of the The bearing 431 is at a position transverse to the direction of the rotation axis S.

Please refer to Figure 5 again. The center of each disc 45 is set as a polygonal opening, and the cross-sectional shape of the middle section of each shaft 43 corresponds to the polygonal opening, so as to easily assemble different diameters and thicknesses. The discs 45 are rotated in conjunction with the shafts 43 so as to instantly change the sizes of the first gaps 451' and the second gaps 452'.

In the present invention, there are basically two ways to adjust the first gaps 451' and the second gaps 452'. One is to change the distance between the shafts 43 while changing the distance between the discs 45. The second is to change the distance between the shafts 43 but the size of the discs 45 remains unchanged; thereby, the conveying part 14 on the same base 12 can plan the particles from small to large in the conveying direction. Large screening area.

Please refer to Figures 3, 4 and 5 again, wherein a series of spaced grooves 453 are provided on the circumferential sides of the plurality of discs 45 for more effectively pushing the workpiece.

Please refer to Figures 1 and 2 again, wherein the first end 41 is further provided with an introduction groove 411 to facilitate the introduction of the workpiece, and the second end 42 is further provided with an introduction groove 421 to facilitate the introduction of the workpiece. For work items, the present invention further provides a panel around the outside of the conveying part 14 to maintain the cleanliness of the working environment.

Please refer to Figure 6. In order to meet the capacity and space requirements of the production line, the present invention can form at least two particle screening devices arranged one above the other. Among them, the particle size of the workpiece left by the upper adjustable particle screening device 10 It is greater than the work left by the adjustable particle screening device 10 below. particle size, and the two conveying directions above and below can be in the same direction or in opposite directions to meet the needs of the production line or space.

Please refer to Figure 7. In another embodiment of the present invention, in response to the capacity and space requirements of the production line, at least three particle screening devices of the present invention can be used to form a vertical arrangement. Among them, the conveying part 14 of the adjustable particle screening device 10 is located above. The conveying direction is sequentially defined as at least a first screening area 141, a second screening area 142 and a third screening area 143. The workpieces sequentially pass through the upper adjustable particle screening device 10 from small to large. When the particle size of the workpiece is large, the positions of the other two adjustable particle screening devices 10 located below correspond to the positions of the second screening area 142 and the third screening area 143 of the upper adjustable particle screening device 10 respectively. position, and the conveying direction at the bottom and the corresponding conveying direction at the top are transverse or oblique directions. Through this arrangement design, particles of multiple sizes can be screened simultaneously and reliably.

10: Adjustable particle screening device

12: base

14:Conveying Department

22:First side

24:Second side

26: Zhou side

221: Frame edge

41:First end

42:Second end

43:Shaft

44:Drive Department

45: Disc

S: Rotation axis

441: Motor

442: Transmission parts

451:The first set of discs

452: The second set of discs

451': first gap

452':Second gap

431:Bearing

432: long hole

433:Screw hole

434:Bolt

453:Trench

411: Import slot

421: Export slot

Figure 1 is a perspective view of a preferred embodiment of the present invention. Figure 2 is a partially exploded view of Figure 1. Figure 3 is a partial schematic diagram of a conveying part of a preferred embodiment of the present invention. Figure 4 is a partial schematic diagram of an adjustment part according to a preferred embodiment of the present invention. Figure 5 is a partially exploded perspective view of the conveying part of a preferred embodiment of the present invention. Figure 6 is a schematic diagram of one of the two combinations used in the preferred embodiment of the present invention. Figure 7 is a schematic diagram of one of the three combinations used in the preferred embodiment of the present invention. .

10: Adjustable particle screening device

12: base

14:Conveying Department

22:First side

24:Second side

26: Zhou side

221: Frame edge

41:First end

42:Second end

43:Shaft

44:Drive Department

45: Disk

S: Rotation axis

441: Motor

442: Transmission parts

411: Import slot

421: Export slot

Claims (13)

An adjustable particle screening device, which at least includes: a base with a corresponding first side, a second side and a peripheral side located between the first side and the second side, wherein, The first side is formed by at least two hollow frames with corresponding frame edges; a conveying part is provided on the first side of the base, and the conveying part has a first end and a second end for A workpiece is placed on one side of the conveying part and the workpiece is conveyed from the first end to the second end. The direction from the first end to the second end is defined as a conveying direction; the conveying part includes at least two There are axles, a driving part and a plurality of discs arranged at intervals, and the two ends of each axle are respectively fixed on the two corresponding frame edges of the first side, so that each axle is straddled on the first side, The driving part is provided on one side of each shaft for driving each shaft to rotate relative to a rotation axis; each of the plurality of discs is inserted into each shaft with its center and is arranged in series on each shaft. The two ends of the shaft are rotated in conjunction with each of the shafts. The plurality of discs include a first group of large-diameter discs and a second group of small-diameter discs. The third group of one of the shafts is Two sets of discs are alternately arranged between the first set of discs, and the first set of discs on another shaft are alternately arranged between the second set of discs; furthermore, the first set of discs on one of the shafts The set of discs has a first gap corresponding to the second set of discs of the other shaft, and the second set of discs of the other shaft has a second gap corresponding to the third set of the other shaft. A set of discs; the first set of discs of one shaft will not enter the first gap of the other shaft; wherein, a bearing is provided between the two ends of each shaft and the corresponding frame edge. The middle part of the bearing is used to carry and pivot each of the shafts. An adjustment part is provided at both ends of the bearing to adjust the position of each of the shafts and each of the bearings in the direction transverse to the rotation axis; The adjustment part includes a long hole, a screw hole and a bolt; the long hole is provided through the bearing, the screw hole has an internal thread and is provided on the edge of the frame, and the bolt has an external thread It is used to pass through the long hole and the screw hole to fix the bearing. The adjustable particle screening device as claimed in claim 1, wherein the center of each disc is set as a polygonal opening, and the cross-sectional shape of the middle portion of each shaft corresponds to the polygonal opening. The adjustable particle screening device as claimed in claim 1, wherein the plurality of discs are provided with a series of spaced apart grooves on their circumferential sides. The adjustable particle screening device as claimed in claim 2, wherein the plurality of discs are provided with a series of spaced apart grooves on their circumferential sides. The adjustable particle screening device as claimed in claim 1, wherein the first gap is equal to the second gap. The adjustable particle screening device as claimed in claim 2, wherein the first gap is equal to the second gap. The adjustable particle screening device as claimed in claim 3, wherein the first gap is equal to the second gap. The adjustable particle screening device as claimed in claim 4, wherein the first gap is equal to the second gap. The adjustable particle screening device according to any one of claims 1 to 8, wherein the first end is further provided with an introduction slot for introducing the workpiece. The adjustable particle screening device as claimed in any one of claims 1 to 8, wherein the second end is further provided with a lead-out slot for taking out the workpiece. A combination with an adjustable particle screening device, which includes at least two adjustable particle screening devices as described in any one of claims 1 to 8 to form at least two adjustable particle screening devices arranged one above the other, wherein the upper adjustable particle screening device The particle size of the work material left by the adjustable particle screening device is larger than the particle size of the work material left by the adjustable particle screening device below. The combination with an adjustable particle screening device as claimed in claim 11, wherein the two conveying directions of the upper adjustable particle screening device and the lower adjustable particle screening device are selected from the group consisting of the same direction and the opposite direction. group. A combination with an adjustable particle screening device, which includes at least three adjustable particle screening devices as described in any one of claims 1 to 8 to form an adjustable particle screening device arranged up and down, wherein an upper adjustable particle screening device The conveying part of the particle screening device is sequentially defined in the conveying direction as at least a first screening area, a second screening area and a third screening area. The workpiece sequentially passes through the adjustable particle screening device above. The position of the other two adjustable particle screening devices located below corresponds to the position of the second screening area and the position of the third screening area of the upper particle screening device respectively, and are located below The conveying direction and the corresponding upper conveying direction are selected from the group consisting of the transverse direction and the oblique direction.