CN214812409U - Polypropylene granule screening equipment - Google Patents
Polypropylene granule screening equipment Download PDFInfo
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- CN214812409U CN214812409U CN202120067910.7U CN202120067910U CN214812409U CN 214812409 U CN214812409 U CN 214812409U CN 202120067910 U CN202120067910 U CN 202120067910U CN 214812409 U CN214812409 U CN 214812409U
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Abstract
The utility model discloses a polypropylene aggregate screening installation, include: a housing; the screening cylinder is horizontally arranged in the operation cavity and comprises a supporting frame and four screens, the supporting frame comprises a pair of circular end plates which are oppositely arranged and four arc-shaped side plates which are respectively used for connecting the two end plates, the four side plates are arranged at equal intervals along the circumferential direction of the end plates so as to be matched with the end plates to form four mounting openings, and the four screens are correspondingly arranged in the four mounting openings in a covering mode; the opening end of the extension cylinder is butted at the end part of one end plate along the circumferential direction so as to form an extension cavity by matching with the end plate; the plugging assembly comprises two plugging plates and a second motor, wherein the two plugging plates are arranged between the two first side plates in a sliding mode along the circumferential direction of the screening cylinder, and the second motor is fixedly arranged in the extension cavity. The utility model discloses have the realization and get rid of too big, undersize aggregate to the aggregate screening, obtain the beneficial effect of qualified aggregate.
Description
Technical Field
The utility model relates to a screening equipment technical field. More specifically, the utility model relates to a polypropylene aggregate screening installation.
Background
Polypropylene is a semi-crystalline thermoplastic, has tough mechanical properties, can resist corrosion of various acids, alkalis and organic solvents, has strong impact resistance, low density and rich raw material sources, is widely applied in the industry, and is one of the most common high polymer materials.
In practical production application, the polypropylene granules are obtained after being cut by a cutting machine from a template of an extrusion granulator, the obtained polypropylene granules have the problem of nonuniform particle size, and oversize or undersize granules need to be screened to obtain qualified granule specifications. For example, the diameter of the die hole of the extrusion granulator die plate is 2.6mm, the material is required to expand due to pressure reduction after the material comes out of the die hole, and the qualified granular material is granular material with the grain diameter of 3-5 mm.
Application number is 201920441333.6, and the name is washing of polypropylene granule, screening and integrative device of drying disclose installation vibration screening mechanism in the casing, realize the screening to the aggregate through the vibration, but it only has a screen cloth, can not realize getting rid of the effect of too big, the undersize aggregate to the synchronous screening of aggregate.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model discloses still another purpose provides a polypropylene aggregate screening installation, and the setting through a sieve tube cooperation extension section of thick bamboo and shutoff subassembly is realized getting rid of too big, undersize aggregate to the aggregate screening, obtains qualified aggregate.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a polypropylene pellet screening apparatus including: the device comprises a shell, a feeding device and a control device, wherein the shell comprises a cuboid operation cavity, an inverted quadrangular frustum pyramid-shaped material guide cavity communicated with the bottom end of the operation cavity, and a material guide pipe communicated with the bottom end of the material guide cavity, wherein a valve is arranged on the material guide pipe;
the screening cylinder is horizontally arranged in the operation cavity and comprises a supporting frame and four screens, the supporting frame comprises a pair of circular end plates which are oppositely arranged and four arc-shaped side plates which are respectively used for connecting the two end plates, the four side plates are arranged at equal intervals along the circumferential direction of the end plates so as to be matched with the end plates to form four mounting ports, the four screens are correspondingly arranged on the four mounting ports in a one-to-one correspondence mode, the apertures of two of the four screens are first apertures, the apertures of the rest two screens are second apertures, and the apertures of any two adjacent screens along the circumferential direction are different; wherein, two of the four side plates which are oppositely arranged relative to the central axis of the screening drum are defined as first side plates, and the remaining two side plates are defined as second side plates, wherein one first side plate is provided with a stop door which can be opened/closed;
the opening end of the extension cylinder is butted at the end part of one end plate along the circumferential direction so as to form an extension cavity by matching with the end plate;
the plugging assembly comprises two plugging plates which are respectively arranged between the two first side plates along the circumferential sliding of the screening cylinder and a second motor which is fixedly arranged in the extension cavity, one end of each plugging plate, which is close to the extension cylinder, penetrates out along the corresponding end plate, the penetrating end of each plugging plate is positioned in the extension cavity, the penetrating ends of the two plugging plates are fixedly connected through an X-shaped rod, an output shaft of the second motor is fixedly connected with the X-shaped rod, and the plugging plates are arranged as follows: the second motor works to drive the X-shaped rod to rotate so as to drive the plugging plate to rotate to plug the two screens with the first aperture or plug the two screens with the second aperture;
one end of the extension cylinder, far away from the short plate, is rotatably connected with one side of the operation cavity, the rotating rod is fixedly connected with the other end plate coaxially, the rotating rod can penetrate through the corresponding side wall of the operation cavity in a rotating mode, the penetrating end is connected with a first motor, and the first motor works to drive the screening cylinder to rotate.
Preferably, the polypropylene granule screening apparatus further comprises a bracket for erecting the housing and fixedly supporting the first motor.
Preferably, the top end of the operation cavity is provided with a feeding hopper in an erected mode, the bottom end of the feeding hopper is higher than the top end of the screening cylinder, the bottom end of the feeding hopper is detachably connected with a feeding hose, and the feeding hose feeds materials into the screening cylinder through an opened stop door.
Preferably, one end plate between the two first side plates is provided with a sliding hole in a penetrating manner along the length direction of the screening cylinder, the other end plate between the two first side plates is provided with a sliding groove in a recessed manner along the length direction of the screening cylinder, each second side plate is provided with a through hole in a penetrating manner, and the through holes are communicated with the corresponding sliding hole and the corresponding sliding groove;
the plugging plate is arranged as follows: one end of each plugging plate along the length direction is connected with the corresponding sliding groove in a sliding mode, the other end of each plugging plate is connected with the corresponding sliding hole in a sliding mode and penetrates out of the sliding hole, and the second motor works to drive the X-shaped rod to rotate so as to drive the plugging plates to rotate two screens with the plugging apertures being the first apertures or two screens with the plugging apertures being the second apertures.
Preferably, the longitudinal sections of the two ends of the blocking plate along the circumferential direction of the screening cylinder are isosceles trapezoids with the bottoms decreasing away from the corresponding blocking plate;
the first curb plate is followed the both ends of filter screen section of thick bamboo circumferential direction have the holding tank, work as when the shutoff board shutoff is during with the adjacent screen cloth of first curb plate, the shutoff board is close to the one end that corresponds first curb plate and is located the holding tank.
Preferably, every second curb plate periphery is run through and is set up two at least screw holes with corresponding perforation intercommunication, and the perforation that is located on same second curb plate sets up along the length direction interval of this second curb plate, corresponds with every screw hole and is provided with the threaded rod, works as the threaded rod is located when the perforation, the one end of corresponding shutoff board along the circumferential direction contacts rather than.
The utility model discloses at least, include following beneficial effect:
the screening cylinder is matched with the extension cylinder and the plugging component to screen and remove oversize and undersize granules, and qualified granules are obtained.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a polypropylene granule screening apparatus according to one embodiment of the present invention;
fig. 2 is a schematic structural diagram of a screening drum according to one of the technical solutions of the present invention;
fig. 3 is a schematic structural diagram of a screening drum according to one of the technical solutions of the present invention;
fig. 4 is a schematic longitudinal cross-sectional view of a screen cylinder according to one embodiment of the present invention;
fig. 5 is a schematic end view of the screening drum according to one of the technical solutions of the present invention.
The reference numerals are specifically: a bracket 1; a first electric machine 2; a feed hopper 20; an operating chamber 30; a material guiding chamber 31; a material guide tube 32; a valve 33; a screening cylinder 4; a shutter 40; a support frame 5; an end plate 50; a first side plate 51; a second side plate 52; the mounting opening 53; a slide hole 54; a perforation 55; an accommodating groove 56; a screen 6; an extension cylinder 7; an extension chamber 70; a plugging plate 8; a second motor 80; an X-shaped bar 81; a threaded hole 9; a threaded rod 90.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-5, the utility model provides a polypropylene granule screening installation, include:
the device comprises a shell, a valve and a valve, wherein the shell comprises a cuboid operation cavity 30, an inverted quadrangular frustum pyramid shaped material guide cavity 31 communicated with the bottom end of the operation cavity 30, and a material guide pipe 32 communicated with the bottom end of the material guide cavity 31, wherein the material guide pipe 32 is provided with a valve 33;
the screening cylinder 4 is horizontally arranged in the operation cavity 30, the screening cylinder 4 comprises a supporting frame 5 and four screens 6, the supporting frame 5 comprises a pair of circular end plates 50 which are oppositely arranged, and four arc-shaped side plates which are respectively used for connecting opposite side surfaces of the two end plates 50, the four side plates are arranged at equal intervals along the circumferential direction of the end plates 50 so as to be matched with the end plates 50 to form four mounting openings 53, one mounting opening 53 is formed between any two side plates, the four screens 6 are correspondingly arranged on the four mounting openings 53 in a one-to-one correspondence manner, the apertures of two of the four screens 6 are first apertures, the apertures of the rest two screens are second apertures, and the apertures of any two adjacent screens 6 along the circumferential direction are different; two of the four side plates which are arranged oppositely about the central axis of the screen cylinder 4 are defined as first side plates 51, and the remaining two side plates are defined as second side plates 52 (as shown in fig. 2, the two side plates at the upper end and the lower end are first side plates 51, and the two side plates at the front end and the rear end are second side plates 52), wherein one first side plate 51 is provided with a shutter 40 which can be opened/closed;
an extension cylinder 7, which is a cylinder with an open end, the extension cylinder 7 is horizontally arranged along an axis, the open end faces one end plate 50, the open end of the extension cylinder 7 is arranged at the end of one end plate 50 in a circumferential butt joint (fixedly welded or detachably butt joint) to match with the end plate 50 to form an extension cavity 70, and further, an openable/closable access door can be arranged on the extension cylinder 7 to facilitate the internal elements of the extension cavity 70 to be acted on through the access door;
the shutoff subassembly, it includes that it slides along 4 circumferential directions of sieve separator respectively locates two shutoff boards 8 between two first curb plates 51, sets firmly the second motor 80 in extending chamber 70, shutoff board 8 is close to the one end of extending a 7 and wears out along the end plate 50 that corresponds, wears out the end and is located extend the chamber 70, X type pole 81 fixed connection is passed through to the end of wearing out of two shutoff boards 8, the output shaft and the X type pole 81 rigid coupling of second motor 80, shutoff board 8 sets up to: the second motor 80 works to drive the X-shaped rod 81 to rotate so as to drive the plugging plate 8 to rotate to plug the two screens 6 with the first aperture or plug the two screens 6 with the second aperture; that is, the second motor 80 operates to drive the X-shaped rod 81 to rotate and further drive the plugging plates 8 to rotate, when one side of one of the plugging plates 8 (the plugging plate a) abuts against one side of the first side plate 51 (the first side plate a), and one side of the other plugging plate 8 (the plugging plate B) abuts against a side of the other first side plate 51 (the first side plate B), the plugging plates 8 plug the two screens 6 with the same aperture, whereas, when one side of one of the plugging plates 8 (the plugging plate a) abuts against one side of the other first side plate 51 (the first side plate B), and one side of the other plugging plate 8 (the plugging plate B) abuts against a side of the one of the first side plates 51 (the first side plate a), the plugging plates 8 plug the remaining two screens 6 with the same aperture;
one end of the extension cylinder 7 far away from the short plate is rotatably connected with one side of the operation cavity 30 through a rod body, the other end plate 50 is coaxially and fixedly connected with a rotating rod, the rotating rod can rotate (can not move along the axial direction of the rotating rod) to penetrate through the side wall of the corresponding operation cavity 30, the penetrating end is connected with a first motor 2, and the first motor 2 works to drive the screening cylinder 4 to rotate.
In the above technical solution, the top end of the operation cavity 30 may be open or a cover capable of being opened and closed is provided, the operation cavity 30 is horizontally provided along a length direction, two ends along the length direction are preferably square, the screening cylinder 4 and the operation cavity 30 are coaxially provided, the support frame 5 forms a shell shape of the screening cylinder 4, so that four side plates are circumferentially arranged in a common circle, and the diameter of the outer periphery of the circle is the same as that of the end plate 50, one of the first side plates 51 is provided with a material guiding opening in a penetrating manner, preferably, the material guiding opening is provided along the length direction of the first side plate 51, the distance between the material guiding opening and the side plates at two ends is not more than 10% of the length of the first side plate 51, the material guiding opening is provided with the baffle door 40, when the baffle door 40 is opened, when the baffle door 40 is closed, the material guiding opening is closed, and the material guiding opening slides along the circumferential direction of the screening cylinder 4, meaning that the central axis of the screening cylinder 4 is the central axis, rotate along the circumferencial direction, two first curb plate 51 place planar both sides set up a shutoff board 8 respectively, the output shaft and the coaxial setting of a screening section of thick bamboo 4 of second motor 80, in the use, the screening obtains the granule that the particle diameter is 3 ~ 5mm, wherein, as shown in fig. 2, the first curb plate 51 definition that is located the top is first curb plate A, the first curb plate 51 definition that is located the below is first curb plate 51B, two apertures are first aperture screen cloth 6 and are located first curb plate A front side respectively, first curb plate B rear side, two apertures are screen cloth 6 of second aperture and are located first curb plate A rear side respectively, first curb plate B front side, first aperture is used for the screening to get rid of the particle diameter and is less than 3 mm's material, the second aperture is used for the screening to obtain the particle diameter and is not more than 5 mm's material, including following step:
s1, the second motor 80 operates to drive the blocking plates 8 to rotate, so that the two blocking plates 8 block and position the two screens 6 with the second aperture, as shown in fig. 2, wherein the second motor 80 is a motor with a braking function, that is, the positioning can be realized;
s2, the first motor 2 drives the baffle door 40 of the screening drum 4 to rotate to the uppermost position, the baffle door 40 is opened, feeding is carried out, and the baffle door 40 is closed;
s3, the first motor 2 operates to drive the screening cylinder 4 to rotate, and the two screens 6 with the first aperture are used to screen and remove the material with the particle size less than 3mm, and the material is discharged through the material guiding pipe 32, wherein, as shown in fig. 2, the first motor 2 operates to drive the screening cylinder 4 to rotate clockwise with the end plate 50 connected with the first motor 2 as the main viewing angle, so that the plugging plate 8 has a force towards the first side plate 51 abutted against the plugging plate, and the force required for positioning the plugging plate 8 in the rotating process is reduced;
s4, the second motor 80 operates to drive the blocking plates 8 to rotate, so that the two blocking plates 8 block and position the two screens 6 with the first aperture, as shown in fig. 2;
s5, the first motor 2 works to drive the screening cylinder 4 to rotate, materials with the grain diameter not larger than 5mm are obtained through screening by the two screens 6 with the second aperture and are collected through the material guide pipe 32, wherein as shown in figure 3, the first motor 2 works to drive the screening cylinder 4 to rotate anticlockwise by taking the end plate 50 connected with the first motor 2 as a main visual angle, so that the plugging plate 8 has a force towards the first side plate 51 abutted against the plugging plate, and the force required for positioning the plugging plate 8 in the rotating process is reduced;
s6, the second motor 80 drives the stop gate 40 of the screening drum 4 to rotate to be located at the top, the stop gate 40 is opened, the second motor 80 drives the stop gate 40 of the screening drum 4 to rotate to be located at the bottom, and the residual materials are led out. By adopting the technical scheme, the screening cylinder 4 is matched with the extension cylinder 7 and the plugging component to screen and remove oversize and undersize granules, so that qualified granules are obtained.
In another technical scheme, the polypropylene granule screening device further comprises a bracket 1 for erecting the shell and fixedly supporting the first motor 2. By adopting the scheme, the shell is erected through the support 1, so that the material guide pipe 32 has a certain height away from the ground, the material is convenient to receive, the erecting mode of the support 1 can be set according to actual requirements, and is synchronous, and the support 1 provides the mounting support for the first motor 2.
In another technical scheme, a feeding funnel 20 is erected at the top end of the operation cavity 30, the bottom end of the feeding funnel 20 is higher than the top end of the screening cylinder 4, a feeding hose is detachably connected to the bottom end of the feeding funnel 20, and the feeding hose feeds materials into the screening cylinder 4 through an opened stop gate 40. When the top of the operation cavity 30 is open, the feeding funnel 20 is erected on the top of the operation cavity 30 through the rod body, the specific erection mode can be determined according to actual conditions, when the top of the operation cavity 30 is provided with a switchable cover body, the feeding funnel 20 is directly erected through the cover body, specifically, the cover body penetrates through a through hole which enables a feeding pipe of the feeding funnel 20 to pass through, the feeding funnel 20 is installed through the through hole, when feeding is needed, the baffle door 40 of the screening cylinder 4 is rotated to be positioned at the uppermost part through the first motor 2, one end of the feeding hose is connected with the feeding funnel 20, the other end of the feeding hose is communicated with the screening cylinder 4 through the opened baffle door 40, then feeding is carried out into the screening cylinder 4 through the feeding funnel 20, when feeding is finished, the feeding hose is taken out, and the other end of the feeding hose can be fixed so that the other end of the feeding hose does not influence the work of the rotary cylinder, or the lower feed hose.
In another technical solution, one end plate 50 (the end plate 50 connected to the extension cylinder 7) between the two first side plates 51 has a sliding hole 54 penetrating therethrough along the length direction of the screen cylinder 4, the sliding hole 54 is an arc-shaped sliding hole 54, the central axis of the two sliding holes 54 and the screen cylinder 4 share the central axis, the other end plate 50 (the end plate 50 connected to the first motor 2) between the two first side plates 51 has a sliding slot recessed along the length direction of the screen cylinder 4, each second side plate 52 has a through hole 55 penetrating therethrough, and the through hole 55 communicates the corresponding sliding hole 54 and the sliding slot;
the plugging plate 8 is arranged as follows: one end of each plugging plate 8 along the length direction is connected with the corresponding sliding groove in a sliding mode, the other end of each plugging plate 8 is connected with the corresponding sliding hole 54 in a sliding and positioning mode and penetrates out, and the second motor 80 works to drive the X-shaped rod 81 to rotate so as to drive the plugging plates 8 to rotate two screen meshes 6 with the plugging aperture being the first aperture or two screen meshes 6 with the plugging aperture being the second aperture. The sliding positioning connection between the plugging plate 8 and the sliding hole 54 is specifically as follows: the plugging plate 8 can slide along the radian direction of the sliding hole 54, but can not move along the length direction of the plugging plate 8, a slide way can be specifically arranged in the sliding hole 54, and a sliding block corresponding to the plugging plate 8 is arranged on the plugging plate 8.
In another technical solution, as shown in fig. 4, the longitudinal cross-sections of the two ends of the blocking plate 8 along the circumferential direction of the screening cylinder 4 are in the shape of an isosceles trapezoid with a bottom decreasing away from the corresponding blocking plate 8, wherein the bottom is the upper bottom and the lower bottom of the isosceles trapezoid, and the circumferential direction of the screening cylinder 4 is the width direction of the blocking plate 8 shown in fig. 2;
as shown in fig. 4, the first side plate 51 has accommodating grooves 56 at both ends in the circumferential direction of the screen drum 4, and when the blocking plate 8 blocks the screen 6 adjacent to the first side plate 51, one end of the blocking plate 8 close to the corresponding first side plate 51 is located in the accommodating grooves 56. By adopting the scheme, the connection stability of the plugging plate 8 is improved.
In another technical scheme, at least two threaded holes 9 are formed in the periphery of each second side plate 52 in a penetrating manner and communicated with corresponding through holes 55, the through holes 55 on the same second side plate 52 are arranged at intervals along the length direction of the second side plate 52, a threaded rod 90 is arranged corresponding to each threaded hole 9, when the threaded rod 90 is positioned in the through hole 55, one end of the corresponding blocking plate 8 along the circumferential direction is in contact with the threaded rod, when the blocking plate 8 needs to slide, the threaded rod 90 can be screwed out of the threaded hole 9 so as not to influence the sliding of the blocking plate 8, wherein an openable/closable door is arranged on the side wall of the shell corresponding to each threaded hole 9, and acts on the threaded rod through the door. By adopting the scheme, the positioning of the plugging plate 8 is realized through the threaded rod 90, and the positioning stability of the plugging plate 8 is improved.
In another technical scheme, at least two through holes 55 are formed in the periphery of each second side plate 52 in a penetrating mode and communicated with the corresponding through hole 55, the through holes 55 in the same second side plate 52 are arranged at intervals along the length direction of the second side plate 52, telescopic rods are arranged corresponding to the through holes 55, telescopic motors driving the telescopic rods to stretch along the circumferential direction of the through holes 55 are arranged corresponding to the telescopic rods, when the telescopic rods are located in the through holes 55, one ends of the corresponding plugging plates 8 along the circumferential direction are in contact with the telescopic rods, and when the plugging plates 8 need to slide, the telescopic motors drive the telescopic rods to withdraw from the through holes 55 so as not to influence the sliding of the plugging plates 8. By adopting the scheme, the positioning of the plugging plate 8 is realized through the telescopic rod, and the positioning stability of the plugging plate 8 is improved.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. The application, modification and variation of the polypropylene pellet screening apparatus of the present invention will be apparent to those skilled in the art.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (6)
1. The polypropylene granule screening equipment is characterized by comprising:
the device comprises a shell, a feeding device and a control device, wherein the shell comprises a cuboid operation cavity, an inverted quadrangular frustum pyramid-shaped material guide cavity communicated with the bottom end of the operation cavity, and a material guide pipe communicated with the bottom end of the material guide cavity, wherein a valve is arranged on the material guide pipe;
the screening cylinder is horizontally arranged in the operation cavity and comprises a supporting frame and four screens, the supporting frame comprises a pair of circular end plates which are oppositely arranged and four arc-shaped side plates which are respectively used for connecting the two end plates, the four side plates are arranged at equal intervals along the circumferential direction of the end plates so as to be matched with the end plates to form four mounting ports, the four screens are correspondingly arranged on the four mounting ports in a one-to-one correspondence mode, the apertures of two of the four screens are first apertures, the apertures of the rest two screens are second apertures, and the apertures of any two adjacent screens along the circumferential direction are different; wherein, two of the four side plates which are oppositely arranged relative to the central axis of the screening drum are defined as first side plates, and the remaining two side plates are defined as second side plates, wherein one first side plate is provided with a stop door which can be opened/closed;
the opening end of the extension cylinder is butted at the end part of one end plate along the circumferential direction so as to form an extension cavity by matching with the end plate;
the plugging assembly comprises two plugging plates which are respectively arranged between the two first side plates along the circumferential sliding of the screening cylinder and a second motor which is fixedly arranged in the extension cavity, one end of each plugging plate, which is close to the extension cylinder, penetrates out along the corresponding end plate, the penetrating end of each plugging plate is positioned in the extension cavity, the penetrating ends of the two plugging plates are fixedly connected through an X-shaped rod, an output shaft of the second motor is fixedly connected with the X-shaped rod, and the plugging plates are arranged as follows: the second motor works to drive the X-shaped rod to rotate so as to drive the plugging plate to rotate to plug the two screens with the first aperture or plug the two screens with the second aperture;
one end of the extension cylinder, far away from the end plate, is rotatably connected with one side of the operation cavity, a rotating rod is fixedly connected with the other end plate coaxially, the rotating rod can penetrate through the corresponding side wall of the operation cavity in a rotating mode, the penetrating end is connected with a first motor, and the first motor works to drive the screening cylinder to rotate.
2. The polypropylene pellet screening apparatus of claim 1, further comprising a bracket for mounting the housing and fixedly supporting the first motor.
3. The polypropylene granule screening apparatus according to claim 1, wherein a feeding hopper is erected at the top end of the operation chamber, the bottom end of the feeding hopper is higher than the top end of the screening drum, a feeding hose is detachably connected to the bottom end of the feeding hopper, and the feeding hose feeds into the screening drum through an opened shutter.
4. The polypropylene pellet screening apparatus as claimed in claim 1, wherein one end plate between the two first side plates has a slide hole therethrough along the length of the screening drum, the other end plate between the two first side plates has a slide groove recessed therein along the length of the screening drum, and each second side plate has a through hole therethrough, the through hole communicating the corresponding slide hole and slide groove;
the plugging plate is arranged as follows: one end of each plugging plate along the length direction is in sliding connection with the corresponding sliding groove, and the other end of each plugging plate is in sliding connection with the sliding hole and penetrates out of the sliding hole.
5. The polypropylene pellet screening apparatus as claimed in claim 4, wherein the longitudinal cross-sections of both ends of said plugging plate in the circumferential direction of said screen cylinder are isosceles trapezoids whose bases become smaller away from the corresponding plugging plates;
the first curb plate is followed the both ends of filter screen section of thick bamboo circumferential direction have the holding tank, work as when the shutoff board shutoff is during with the adjacent screen cloth of first curb plate, the shutoff board is close to the one end that corresponds first curb plate and is located the holding tank.
6. The polypropylene pellet screening apparatus as claimed in claim 5, wherein at least two screw holes are provided through the outer periphery of each second side plate in communication with the corresponding through hole, the through holes provided in the same second side plate are provided at intervals along the length direction of the second side plate, a screw rod is provided in correspondence with each screw hole, and when the screw rod is provided in the through hole, one end of the corresponding stopper plate in the circumferential direction is in contact therewith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120067910.7U CN214812409U (en) | 2021-01-11 | 2021-01-11 | Polypropylene granule screening equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120067910.7U CN214812409U (en) | 2021-01-11 | 2021-01-11 | Polypropylene granule screening equipment |
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| CN214812409U true CN214812409U (en) | 2021-11-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535093A (en) * | 2022-04-26 | 2022-05-27 | 山东琨福农业科技有限公司 | Agricultural filling machine for packaging cereal seeds |
| CN115957849A (en) * | 2022-11-08 | 2023-04-14 | 山西建设投资集团有限公司 | Rotary soil crusher |
-
2021
- 2021-01-11 CN CN202120067910.7U patent/CN214812409U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535093A (en) * | 2022-04-26 | 2022-05-27 | 山东琨福农业科技有限公司 | Agricultural filling machine for packaging cereal seeds |
| CN115957849A (en) * | 2022-11-08 | 2023-04-14 | 山西建设投资集团有限公司 | Rotary soil crusher |
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