CN215940544U

CN215940544U - EVA granule screening plant

Info

Publication number: CN215940544U
Application number: CN202120777375.4U
Authority: CN
Inventors: 韩光荣
Original assignee: Wenzhou Aosu Plastic Co ltd
Current assignee: Wenzhou Aosu Plastic Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2022-03-04
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses an EVA particle screening device, which comprises a screening box, wherein a feeding port is arranged at the center of the top of the screening box, a first screen plate and a second screen plate are respectively arranged in an inner cavity of the feeding port, and first screen holes are uniformly arranged in the inner cavity of the first screen plate. And need not the manual work and rock the screen cloth, reduce workman intensity of labour.

Description

EVA granule screening plant

Technical Field

The utility model relates to the technical field of EVA (ethylene vinyl acetate) particle screening devices, in particular to an EVA particle screening device.

Background

In the fields of chemistry and organic chemical industry, EVA refers to an ethylene-vinyl acetate copolymer and a rubber-plastic foam material prepared from the ethylene-vinyl acetate copolymer, is used for manufacturing refrigerator guide pipes, gas pipes, civil engineering plates, containers, daily necessities and the like, is widely used for sole at present and is used for foaming and shock absorption, EVA particles must be screened before subpackaging so as to obtain products with uniform particle size, but the existing screening device still has certain problems, and the specific problems are as follows:

present screening plant is the manual sieve mostly, need the manual work to wave the screen cloth promptly, work load is big, and inefficiency, separation that also can not be fine to the material of different particle sizes, along with the development of technique has appeared gradually electronic screen (ing) machine, however the vibrating motor of shale shaker is the bottom of installing at the shale shaker, the particle can receive ascending effort on the shale shaker, upwards jump, some long particulate matters can be vertical on falling to the screen, enter into qualified product from the sieve mesh, cause the nonconforming of product, current sieve is mostly fixed in addition, the condition of jam appears easily in the long-term use sieve mesh, if not in time clearance, can cause the screening effect of device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an EVA (ethylene vinyl acetate) particle screening device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an EVA particle screening device comprises a screening box, wherein a feeding port is arranged at the center of the top of the screening box, a first screen plate and a second screen plate are respectively installed in an inner cavity of the feeding port, a first screen hole is uniformly formed in the inner cavity of the first screen plate, a second screen hole is uniformly formed in the inner cavity of the second screen plate, driving components are respectively arranged below the first screen plate and the second screen plate, connecting components are respectively arranged at the left end and the right end of the first screen plate and the second screen plate, each connecting component comprises a reserved groove and a reserved block, the reserved blocks are arranged at the left end and the right end of the first screen plate and the second screen plate, the end, close to the first screen plate and the second screen plate, of the screening box is provided with the reserved groove, the reserved groove is in sliding connection with the reserved block, the end, far away from the first screen plate and the second screen plate, of the connecting components is provided with a sliding block, the left side wall and the right side wall of the screening box are provided with sliding grooves matched with the sliding blocks, the one end that second sieve and first sieve were kept away from to the lateral wall all is provided with the connecting plate about the screening case, all be provided with reset spring between connecting plate and the coupling assembling, the discharge gate has been seted up to the lower extreme of screening case left side wall.

Preferably, four corners of screening bottom of the case portion all are provided with the support column, four groups the bottom of support column all is provided with the universal wheel, and the outer wall of universal wheel all is provided with the brake block.

Based on the technical characteristics, the universal wheels are arranged to enable the device to be convenient for random position movement, the flexibility of the device is improved, the brake block is convenient to fix when the device works, and the rolling condition is avoided in the using process.

Preferably, the bottom of the inner cavity of the screening box is provided with a material guide seat, and the longitudinal section of the material guide seat is a right-angled triangle.

Based on the technical characteristics, the screened particles are rapidly discharged from the discharge hole through the material guide plate.

Preferably, drive assembly includes driven shaft, cam, mounting panel, driving motor, driven bevel gear, driving shaft and drive bevel gear, the mounting panel is located the bottom of screening case right side wall, driving motor is installed at the top of mounting panel, driving motor's power take off end is provided with the driving shaft, the upper and lower both ends of driving shaft outer wall all are provided with the drive bevel gear, screening incasement chamber of first sieve and second sieve below all is provided with the driven shaft through the bearing, both ends all are provided with the cam about the driven shaft outer wall, the right-hand member of driven shaft all stretches out the screening case and is provided with driven bevel gear, and all intermeshing between driven bevel gear and the drive bevel gear.

Based on above-mentioned technical characteristics, driving motor passes through the driving shaft and drives the drive bevel gear and rotate, and the drive bevel gear rotates and drives driven bevel gear and rotate to make the driven shaft rotate, the driven shaft rotates and drives the cam and rotate, the bellying extrusion first sieve and the upward movement of second sieve of cam, make first sieve and second sieve can rock the completion screening work from top to bottom.

Preferably, the bottom of preformed groove all is provided with positioning spring, positioning spring keeps away from the one end of preformed groove and all is provided with the arm-tie, the one end that the arm-tie is close to the preformed groove all is provided with the gag lever post, and the top of gag lever post all stretches into the inner chamber of preformed block, the inner chamber of preformed block all sets up the spacing groove of matcing each other with the gag lever post.

Based on the technical characteristics, through the lower pull plate, the pull plate stretches the positioning spring, so that the limiting rod is convenient to break away from the inner cavity of the limiting groove, the limiting effect on the reserved block can be relieved, and the reserved block is firmer when being connected with the reserved groove.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the driving motor is turned on through the controller, the driving motor drives the driving bevel gear to rotate through the driving shaft, the driving bevel gear drives the driven bevel gear to rotate, so that the driven shaft rotates, the driven shaft rotates to drive the cam to rotate, the protruding portion of the cam extrudes the first sieve plate and the second sieve plate to move upwards to compress the reset spring, after the protruding portion of the cam leaves the first sieve plate and the second sieve plate, the first sieve plate and the second sieve plate move downwards under the effect of resilience force of the reset spring, the first sieve plate and the second sieve plate are shaken up and down, multi-stage screening is performed on EVA particles, the screening efficiency of the particles is improved, manual shaking of the screen is not needed, and the labor intensity of workers is reduced;

(2) after the device uses through a period, stretch positioning spring through the pull-down plate for the gag lever post breaks away from the inner chamber of spacing groove, removes the limiting displacement to reserving the piece this moment, later to outside pulling first sieve and second sieve, makes to reserve the inner chamber roll-off of piece from reserving the groove, conveniently dismantles and clears up first sieve and second sieve, avoids using the condition that the jam appears for a long time, influences the screening effect of device.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic diagram of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic top view of a second screen deck according to the present invention.

In the figure: 1. a feeding port; 2. screening the box; 3. a driven shaft; 4. a cam; 5. a material guide seat; 6. a discharge port; 7. a support pillar; 8. a universal wheel; 9. mounting a plate; 10. a drive motor; 11. a driven bevel gear; 12. a first screen hole; 13. a first screen deck; 14. a drive shaft; 15. a drive bevel gear; 16. a second sieve pore; 17. a second screen deck; 18. a connecting plate; 19. a return spring; 20. reserving a groove; 21. reserving a block; 22. a slider; 23. a chute; 24. a limiting groove; 25. a limiting rod; 26. pulling a plate; 27. and positioning the spring.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is shown: an EVA particle screening device comprises a screening box 2, a feeding port 1 is arranged at the center of the top of the screening box 2, support columns 7 are arranged at four corners of the bottom of the screening box 2, universal wheels 8 are arranged at the bottoms of four groups of support columns 7, brake pads are arranged on the outer walls of the universal wheels 8, a material guide seat 5 is arranged at the bottom of an inner cavity of the screening box 2, the longitudinal section of the material guide seat 5 is in a right triangle shape, a first sieve plate 13 and a second sieve plate 17 are respectively arranged in the inner cavity of the feeding port 1, first sieve holes 12 are uniformly arranged in the inner cavity of the first sieve plate 13, second sieve holes 16 are uniformly arranged in the inner cavity of the second sieve plate 17, driving components are arranged below the first sieve plate 13 and the second sieve plate 17 and comprise driven shafts 3, cams 4, mounting plates 9, driving motors 10, driven bevel gears 11, driving shafts 14 and driving bevel gears 15, the mounting plates 9 are positioned at the bottom of the right side wall of the screening box 2, the top of the mounting plate 9 is provided with a driving motor 10, the power output end of the driving motor 10 is provided with a driving shaft 14, the upper end and the lower end of the outer wall of the driving shaft 14 are both provided with a driving bevel gear 15, the inner cavities of the screening boxes 2 below the first screen plate 13 and the second screen plate 17 are both provided with a driven shaft 3 through bearings, the left end and the right end of the outer wall of the driven shaft 3 are both provided with cams 4, the right end of the driven shaft 3 extends out of the screening boxes 2 and is provided with a driven bevel gear 11, the driven bevel gear 11 and the driving bevel gear 15 are mutually engaged, the left end and the right end of the first screen plate 13 and the second screen plate 17 are both provided with a connecting component, the connecting component comprises reserved grooves 20 and reserved blocks 21, the reserved blocks 21 are positioned at the left end and the right end of the first screen plate 13 and the second screen plate 17, one end of the screening box 2 close to the first screen plate 13 and the second screen plate 17 is both provided with the reserved grooves 20, and the reserved blocks 21 are both in sliding connection, coupling assembling keeps away from the one end of first sieve 13 and second sieve 17 and all is provided with slider 22, the bottom of preformed groove 20 all is provided with positioning spring 27, positioning spring 27 keeps away from the one end of preformed groove 20 and all is provided with arm-tie 26, the one end that arm-tie 26 is close to preformed groove 20 all is provided with gag lever post 25, and the top of gag lever post 25 all stretches into the inner chamber of reserving piece 21, the spacing groove 24 of mutually supporting with gag lever post 25 is all seted up to the inner chamber of reserving piece 21, the spout 23 of mutually supporting with slider 22 is all seted up to the lateral wall about screening case 2, the one end that second sieve 17 and first sieve 13 were kept away from to the lateral wall about screening case 2 all is provided with connecting plate 18, all be provided with reset spring 19 between connecting plate 18 and the coupling assembling, discharge gate 6 has been seted up to the lower extreme of screening case 2 left side walls.

The working principle is as follows: when the device is used, the device is pushed to a proper position through the universal wheel 8, the brake pad is opened to fix the device, the rolling condition is avoided when the device is used, the external power supply is connected, EVA particles to be screened are conveyed to the inner cavity of the screening box 2 through the feeding port 1, the particles fall above the second screen plate 17, the driving motor 10 is started through the controller, the driving motor 10 drives the driving bevel gear 15 to rotate through the driving shaft 14, the driving bevel gear 15 rotates to drive the driven bevel gear 11 to rotate due to the mutual meshing between the driving bevel gear 15 and the driven bevel gear 11, so that the driven shaft 3 rotates, the driven shaft 3 rotates to drive the cam 4 to rotate, the bulge part of the cam 4 extrudes the first screen plate 13 and the second screen plate 17 to move upwards to compress the reset spring 19, the first screen plate 13 and the second screen plate 17 slide upwards in the inner cavity of the chute 23 through the slide block 22, and after the bulge part of the cam 4 leaves the first screen plate 13 and the second screen plate 17, under the effect of the resilience force of the return spring 19, the first sieve plate 13 and the second sieve plate 17 move downwards, so that the first sieve plate 13 and the second sieve plate 17 rock up and down, because the aperture of the second sieve pore 16 is larger than that of the first sieve pore 12, EVA particles can be sieved in multiple stages through the first sieve pore 12 and the second sieve pore 16, the sieving efficiency of the particles is improved, the sieve mesh does not need to rock manually, the labor intensity of workers is reduced, finally, the sieved particles fall above the material guide seat 5 and are discharged out of the sieving box 2 through the material outlet 6, after the device is used for a period of time, a door body is opened, a worker stretches the positioning spring 27 through the pull-down plate 26 until the limiting rod 25 is separated from the inner cavity of the limiting groove 24, at the moment, the limiting effect on the reserved block 21 is relieved, then, the first sieve plate 13 and the second sieve plate 17 are pulled outwards, so that the reserved block 21 slides out of the inner cavity of the reserved groove 20, the convenience is dismantled and is cleared up or change first sieve 13 and second sieve 17, avoids long-term use the condition of jam to appear, influences the screening effect of device, has improved the practicality of device.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides a EVA granule screening plant, includes screening case (2), its characterized in that: the center department at screening case (2) top is provided with pan feeding mouth (1), first sieve (13) and second sieve (17) are installed respectively to the inner chamber of pan feeding mouth (1), the inner chamber of first sieve (13) evenly is provided with first sieve mesh (12), the inner chamber of second sieve (17) evenly is provided with second sieve mesh (16), the below of first sieve (13) and second sieve (17) all is provided with drive assembly, the left and right sides both ends of first sieve (13) and second sieve (17) all are provided with coupling assembling, coupling assembling includes reservation groove (20) and reservation piece (21), reservation piece (21) are located the left and right sides both ends of first sieve (13) and second sieve (17), the one end that screening case (2) is close to first sieve (13) and second sieve (17) all is provided with reservation groove (20), and be sliding connection between reserve groove (20) and reserve piece (21), coupling assembling keeps away from the one end of first sieve (13) and second sieve (17) and all is provided with slider (22), spout (23) of matcing each other with slider (22) are all seted up to the lateral wall about screening case (2), the one end that second sieve (17) and first sieve (13) were kept away from to the lateral wall about screening case (2) all is provided with connecting plate (18), all be provided with reset spring (19) between connecting plate (18) and the coupling assembling, discharge gate (6) have been seted up to the lower extreme of screening case (2) left side wall.

2. The EVA particle screening device of claim 1, wherein: four corners of screening case (2) bottom all are provided with support column (7), four groups the bottom of support column (7) all is provided with universal wheel (8), and the outer wall of universal wheel (8) all is provided with the brake block.

3. The EVA particle screening device of claim 1, wherein: the bottom of the inner cavity of the screening box (2) is provided with a material guide seat (5), and the longitudinal section of the material guide seat (5) is in a shape of a right-angled triangle.

4. The EVA particle screening device of claim 1, wherein: the driving assembly comprises a driven shaft (3), a cam (4), a mounting plate (9), a driving motor (10), a driven bevel gear (11), a driving shaft (14) and a driving bevel gear (15), the mounting plate (9) is located at the bottom of the right side wall of the screening box (2), the driving motor (10) is mounted at the top of the mounting plate (9), the driving shaft (14) is arranged at the power output end of the driving motor (10), the driving bevel gears (15) are arranged at the upper end and the lower end of the outer wall of the driving shaft (14), driven shafts (3) are arranged in inner cavities of the screening boxes (2) below the first screen plate (13) and the second screen plate (17) through bearings, the cam (4) is arranged at the left end and the right end of the outer wall of the driven shaft (3), the right end of the driven shaft (3) extends out of the screening box (2) and is provided with the driven bevel gear (11), and the driven bevel gear (11) and the driving bevel gear (15) are mutually meshed.

5. The EVA particle screening device of claim 1, wherein: the bottom of preformed groove (20) all is provided with positioning spring (27), positioning spring (27) are kept away from the one end of preformed groove (20) and all are provided with arm-tie (26), the one end that arm-tie (26) are close to preformed groove (20) all is provided with gag lever post (25), and the top of gag lever post (25) all stretches into the inner chamber of preformed block (21), spacing groove (24) that match each other with gag lever post (25) are all seted up to the inner chamber of preformed block (21).