CN217862725U

CN217862725U - Feed supplementing device of single-screw automatic hydraulic screen changer

Info

Publication number: CN217862725U
Application number: CN202122505615.8U
Authority: CN
Inventors: 朱鹏; 汪学高; 侯宜昌; 何玲松
Original assignee: Nanjing Yulian Mechanical Equipment Co ltd
Current assignee: Nanjing Yulian Mechanical Equipment Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-11-22
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses an automatic hydraulic pressure of single screw rod trades feed supplement device of wire stitcher, including the spiral shell section of thick bamboo, extrude the storehouse, extrude chamber, pneumatic cylinder, otter board, filter screen, intercommunication chamber, slot, extrude the feed supplement passageway that is equipped with in the storehouse with the slot, extrudes the chamber intercommunication, extrude the feed supplement mouth that is equipped with on the storehouse inner wall and feeds through with the feed supplement passageway, be equipped with the non return subassembly in the feed supplement passageway. Through setting up the feed supplement passageway, make trade the net in-process, can flow into in the feed supplement passageway by extruding the raw materials that the chamber flowed into in the slot, like this insert again when the otter board closes in the slot after, to the defective material production pressure in the feed supplement passageway, and then make the defective material can get into again and extrude the chamber, it is extravagant to reduce the raw materials, and avoid not filterable raw materials to spill over and produce the product quality problem, promote subassembly drive rubber ejector pad through setting up in addition and remove, and then when trading the net operation, the rubber ejector pad can pass the intercommunication chamber and push away the filter screen in the mounting groove, and then the dismantlement of the filter screen of being convenient for.

Description

Feed supplementing device of single-screw automatic hydraulic screen changer

Technical Field

The utility model relates to a granulator technical field specifically is a feed supplement device of automatic hydraulic pressure of single screw rod trades wire stitcher.

Background

A pelletizer is a forming machine that can make materials into specific shapes. The screen changer is a manual or automatic switching device comprising one or more screens for filtering out foreign particles and impurities when the flow of plasticized material is screened. The screen is supported by an alloy perforated plate which is mounted on a plate or column carrier (referred to herein as a screen) which can be moved to switch between a system operating position and an off-line non-operating position. The screen changer may be installed on any new or existing extruder, melt pump, reactor or other extrusion line. It can be used to filter any type of polymer, rubber or ceramic melt.

Trade among the prior art net ware when trading the net operation for the slot bottom of installation otter board can store up the raw materials, when the otter board was installed in the slot again, can produce the extrusion to the raw materials that the bottom was stored up, and go out the raw materials extrusion, on the one hand, the raw materials that extrude away do not have the filtration of filter screen, makes the big or small precision of raw materials lower, reduces product quality, and on the other hand, the raw materials that extrude away has caused the waste of raw materials.

Based on this, the utility model designs a single screw rod is from dynamic pressure and is traded feed supplement device of wire stitcher to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a feed supplement device of automatic hydraulic pressure of single screw rod trades wire stitcher, in order to solve the wire stitcher among the prior art that proposes among the above-mentioned background art when trading the net operation, a raw materials can be stored up to the slot bottom for installing the otter board, when the otter board is installed again in the slot, can produce the extrusion to the raw materials that the bottom is stored up, and extrude the raw materials and go out, on the one hand, the raw materials that extrude away do not have the filtration of filter screen, make the big or small precision of raw materials lower, product quality is reduced, on the other hand, the raw materials that extrude away have caused the problem of the waste of raw materials.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a feed supplement device of automatic hydraulic pressure of single screw rod screen changer, includes the spiral shell section of thick bamboo of granulator and locates the extrusion storehouse on the spiral shell section of thick bamboo discharge gate, extrude be equipped with in the storehouse with the chamber of extruding of spiral shell section of thick bamboo intercommunication, and install the pneumatic cylinder through the support mounting on it, still wear to be equipped with the otter board that reciprocates by the pneumatic cylinder drive in the storehouse, the otter board is equipped with sunken mounting groove towards the one side of spiral shell section of thick bamboo, the snap-fit installs the filter screen in the mounting groove, be equipped with the intercommunication chamber with the mounting groove intercommunication on the otter board, be equipped with the slot that supplies the otter board to insert to close the installation in extruding the storehouse, be equipped with the feed supplement passageway with the slot in the extrusion storehouse inner wall, be equipped with the non return subassembly in the feed supplement passageway.

In the feed supplementing device of the single-screw automatic hydraulic screen changer, the non-return component comprises a non-return sliding plug which is arranged in the feed supplementing channel and can freely slide up and down in the feed supplementing channel, two lug blocks are arranged on the inner wall of the feed supplementing channel, a feed supplementing groove which corresponds to the two lug blocks and is in a through hole form is formed in the end face of the non-return sliding plug, a reset spring is arranged in the feed supplementing channel, the reset spring elastically supports against the non-return sliding plug and drives the end face of the non-return sliding plug to abut against the lug blocks, and the abutting face is sealed.

In the feed supplementing device of the single-screw automatic hydraulic screen changer, the extrusion bin is provided with the pushing assembly, the pushing assembly comprises a translation cylinder horizontally mounted on the support, the translation cylinder is connected with a connecting seat in a driving manner, a push rod capable of horizontally and freely sliding penetrates through the connecting seat, a sliding groove for the push rod to be inserted and combined is formed in the connecting seat, the push rod is buffered by the buffer unit in a horizontal movement manner, and a rubber push block is arranged at one end of the push rod, which penetrates out of the connecting seat.

In the feed supplementing device of the single-screw automatic hydraulic screen changer, the buffer unit comprises a buffer spring horizontally arranged in the sliding groove, and the buffer spring elastically supports against the push rod and drives the push rod to move towards the outer side of the connecting seat.

In the feed supplementing device of the single-screw automatic hydraulic screen changer, a fixing pin is arranged at one end of the push rod penetrating into the sliding groove in a penetrating manner, and a waist-shaped hole for inserting and combining the fixing pin is formed in the outer wall of the connecting seat.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up the feed supplement passageway, make trade the net in-process, can flow into in the feed supplement passageway by extruding the raw materials that the chamber flowed into in the slot, like this insert again when the otter board closes in the slot after, to the defective material production pressure in the feed supplement passageway, and then make the defective material can get into again and extrude the chamber, it is extravagant to reduce the raw materials, and avoid not filterable raw materials to spill over and produce the product quality problem, promote subassembly drive rubber ejector pad through setting up in addition and remove, and then when trading the net operation, the rubber ejector pad can pass the intercommunication chamber and push away the filter screen in the mounting groove, and then the dismantlement of the filter screen of being convenient for.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below 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 view of the assembly structure of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a partial structure at B in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-hydraulic cylinder, 2-bracket, 3-translation cylinder, 4-screen plate, 5-extrusion bin, 6-screw cylinder, 7-filter screen, 8-rotary table, 9-slot, 10-communicating cavity, 11-extrusion cavity, 12-connecting seat, 13-buffer spring, 14-fixed pin, 15-rubber push block, 16-push rod, 17-sliding groove, 18-waist-shaped hole, 19-feeding hole, 20-reset spring, 21-feeding groove, 22-lug block and 23-non-return sliding plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a material supplementing device of a single-screw automatic hydraulic screen changer comprises a screw cylinder 6 of a granulator and an extrusion bin 5 arranged on a discharge port of the screw cylinder 6, wherein an extrusion cavity 11 communicated with the screw cylinder 6 is formed in the extrusion bin 5, a hydraulic cylinder 1 is arranged on the extrusion cavity through a support 2, a screen plate 4 driven by the hydraulic cylinder 1 to move up and down is further arranged in the extrusion bin 5 in a penetrating manner, a concave mounting groove is formed in one surface, facing the screw cylinder 6, of the screen plate 4, a filter screen 7 is installed in the mounting groove in a clamping manner, a communicating cavity 10 communicated with the mounting groove is formed in the screen plate 4, a slot 9 for inserting and installing the screen plate 4 is formed in the extrusion bin 5, a material supplementing channel 8 communicated with the slot 9 and the extrusion cavity 11 is formed in the inner wall of the extrusion bin 5, a material supplementing port 19 communicated with the material supplementing channel 8 is formed in the material supplementing channel 8, when the filter screen 7 is replaced, the hydraulic cylinder 1 is started and drives the screen plate 4 to move upwards until the filter screen plate 7 is completely exposed out of the extrusion bin 5, in the extrusion cavity, residual material supplementing channel 11 flows into the slot 9 and is prevented from being wasted when the filter screen 7 is replaced, the screen cylinder 7, the residual material supplementing channel 7 is used in the residual material supplementing channel, and the residual material is pushed in the extrusion process, and the residual material supplementing channel, the residual material supplementing channel 19, and the residual material is collected in the residual material supplementing channel, and the residual material supplementing channel.

In this embodiment, the non-return assembly includes a non-return sliding plug 23 disposed in the feeding channel 8 and capable of freely sliding up and down in the feeding channel 8, two lugs 22 are disposed on the inner wall of the feeding channel 8, a feeding groove 21 in a through hole form is disposed on the end surface of the non-return sliding plug 23, corresponding to the two lugs 22, a return spring 20 is disposed in the feeding channel 8, the return spring 20 elastically supports the non-return sliding plug 23 and drives the end surface of the non-return sliding plug 23 to abut against the lugs 22, and the abutting surface is sealed, in the foregoing, when the residue reaches a certain amount in the feeding channel 8, the mesh plate 7 is inserted into the slot 9, so as to generate an extrusion force on the residue, so that the residue pushes the non-return sliding plug 23 and drives the non-return sliding plug 23 to move upward, and the residue is to reenter the extrusion cavity 11 from the feeding groove 21 and the feeding port 19, in the whole process, manual intervention is not required, and the operation efficiency is improved.

In this embodiment, be equipped with the promotion subassembly on extruding storehouse 5, the promotion subassembly includes translation cylinder 3 of horizontal mounting on support 2, the drive is connected with connecting seat 12 on the translation cylinder 3, wear to be equipped with on the connecting seat 12 and can the level freely gliding push rod 16, be equipped with the sliding tray 17 that supplies push rod 16 to insert to close in the connecting seat 12, push rod 16 cushions its horizontal migration by the buffer unit and its one end of wearing out connecting seat 12 is equipped with rubber ejector pad 15, change filter screen 7 in-process, because filter screen 7 is installed in the mounting groove for the tight fit, consequently, the workman is inconvenient easily takes off filter screen 7 when dismantling filter screen 7, move through translation cylinder 3 this moment, drive connecting seat 12 removes towards filter screen 7 direction, and make rubber ejector pad 15 penetrate the intercommunication chamber, and then produce thrust to filter screen 7, thereby release the mounting groove with filter screen 7, make things convenient for the workman to dismantle filter screen 7.

In this embodiment, the buffering unit includes a buffering spring 13 horizontally installed in the sliding groove 17, the buffering spring 13 elastically abuts against the push rod 16 and drives the push rod 16 to move toward the outer side of the connecting seat 12, and the buffering spring 13 elastically abuts against the push rod 16, so that the rubber push block 15 does not cause great damage to the surface of the filter screen 7 when pushing the filter screen 7.

In this embodiment, a fixing pin 14 is inserted into one end of the push rod 16 penetrating into the sliding groove 17, a waist-shaped hole 18 for inserting the fixing pin 14 is formed in the outer wall of the connecting seat 12, and the push rod 16 is prevented from being separated from the sliding groove 17 by sliding and limiting the fixing pin 14 in the waist-shaped hole 18.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean 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 this specification, 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 preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to best understand the invention and its practical application. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a feed supplement device of automatic hydraulic pressure screen changer of single screw rod, includes the spiral shell section of thick bamboo (6) of granulator and locates extrusion storehouse (5) on the spiral shell section of thick bamboo (6) discharge gate, be equipped with in extrusion storehouse (5) extrude chamber (11) with spiral shell section of thick bamboo (6) intercommunication, and install pneumatic cylinder (1) through support (2) on it, still wear to be equipped with otter board (4) that reciprocate by pneumatic cylinder (1) drive in extrusion storehouse (5), otter board (4) are equipped with sunken mounting groove towards the one side of spiral shell section of thick bamboo (6), filter screen (7) are installed to the block in the mounting groove, be equipped with on otter board (4) intercommunication chamber (10) with the mounting groove intercommunication, be equipped with slot (9) that supply otter board (4) plug-in installation in extrusion storehouse (5), its characterized in, be equipped with slot (9) in extrusion storehouse (5), extrude feed supplement passageway (8) that chamber (11) communicate, be equipped with feed supplement passageway (19) that communicate with slot (8) on extrusion storehouse (5) inner wall, be equipped with non return feed supplement subassembly in the feed supplement passageway (8).

2. The feed supplementing device of the single-screw automatic hydraulic screen changer according to claim 1, wherein the non-return component comprises a non-return sliding plug (23) which is arranged in the feed supplementing channel (8) and can freely slide up and down in the feed supplementing channel (8), two lug blocks (22) are arranged on the inner wall of the feed supplementing channel (8), a feed supplementing groove (21) which corresponds to the two lug blocks (22) and is in a through hole form is formed in the end surface of the non-return sliding plug (23), a return spring (20) is arranged in the feed supplementing channel (8), the return spring (20) elastically abuts against the non-return sliding plug (23) and drives the end surface of the non-return sliding plug (23) to abut against the lug blocks (22), and the abutting surface is sealed.

3. The feed supplementing device of the single-screw automatic hydraulic screen changer according to claim 1, wherein a pushing assembly is arranged on the extrusion bin (5), the pushing assembly comprises a translation cylinder (3) horizontally mounted on the support (2), the translation cylinder (3) is connected with a connecting seat (12) in a driving manner, a push rod (16) capable of horizontally and freely sliding penetrates through the connecting seat (12), a sliding groove (17) for the push rod (16) to be inserted and closed is formed in the connecting seat (12), the push rod (16) is buffered by a buffering unit in horizontal movement, and a rubber push block (15) is arranged at one end of the push rod (16) which penetrates out of the connecting seat (12).

4. The feed supplementing device of the single-screw automatic hydraulic screen changer according to claim 3, wherein the buffer unit comprises a buffer spring (13) horizontally installed in the sliding groove (17), and the buffer spring (13) elastically abuts against the push rod (16) and drives the push rod (16) to move towards the outer side of the connecting seat (12).

5. The feeding device of a single-screw automatic hydraulic screen changer according to claim 4, wherein a fixing pin (14) is inserted into one end of the push rod (16) penetrating into the sliding groove (17), and a waist-shaped hole (18) for inserting the fixing pin (14) is formed in the outer wall of the connecting seat (12).