CN115945416A - Plate type automatic screen changer - Google Patents
Plate type automatic screen changer Download PDFInfo
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- CN115945416A CN115945416A CN202310038270.0A CN202310038270A CN115945416A CN 115945416 A CN115945416 A CN 115945416A CN 202310038270 A CN202310038270 A CN 202310038270A CN 115945416 A CN115945416 A CN 115945416A
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- plate
- translation
- supporting seat
- grid
- automatic screen
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a plate-type automatic screen changer which comprises a supporting seat, wherein a discharging die is fixedly arranged at the upper part of the supporting seat, plate changing grooves are arranged in the middle of the discharging die in a penetrating manner and are perpendicular to the left side and the right side of the discharging direction, grid-type filter plates are slidably inserted in the plate changing grooves in a sliding manner, two ends of each grid-type filter plate extend outwards from the plate changing grooves, each grid-type filter plate consists of a plurality of filter units which are uniformly arranged at intervals, and movable scrapers are respectively matched with the plurality of filter units and move up and down to scrape residual molten residual materials on the filter units; the invention not only realizes automatic screen changing without shutdown, but also can comprehensively clean the replaced filtering unit, and after the thick and heavy molten material is scraped by the movable scraper, the high-speed blower ensures that particles are easy to separate from the filtering screen after being solidified, thereby playing the effects of automatic screen changing and rapid filtering screen cleaning and greatly reducing the cleaning difficulty of the filtering screen.
Description
Technical Field
The invention relates to the technical field of automatic extrusion material filtering mechanisms, in particular to a plate-type automatic screen changer.
Background
A plate-type pulse back-flushing net changer with CN203410012U for continuous extruding production of plastic products features that its main body has longitudinal discharging cavity and transverse slide slots, its main body has heating tube, back-flushing material bin, air outlet valve, back-flushing material bin, back-flushing oil cylinder, back-flushing plunger, working main oil cylinder, back-flushing slide plate, filter net, and back-flushing slide plate.
But the plate type pulse back washing net changer still has obvious defects in the using process: although the plate-type pulse back-flushing net changer solves the problem of automatic net changing without stopping, the replaced filter screen cannot be effectively and comprehensively cleaned in an online back-flushing mode, so that the filter effect is possibly influenced due to poor cleaning of the filter screen.
Disclosure of Invention
The invention aims to provide a plate-type automatic screen changer to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a plate-type automatic screen changer comprises a supporting seat, wherein a discharging die is fixedly mounted on the upper portion of the supporting seat, plate changing grooves are formed in the left side and the right side of the middle portion of the discharging die, which are perpendicular to the discharging direction, in a penetrating manner, grid-type filter plates are inserted in the plate changing grooves in a sliding and translation manner, two ends of each grid-type filter plate extend outwards from the corresponding plate changing groove, and a sliding and translation mechanism for driving the grid-type filter plates to translate left and right is further arranged on the supporting seat;
the grid type filter plate consists of a plurality of filter units which are uniformly arranged at intervals, and the filter units are driven by the sliding translation mechanism to alternately enter and exit the plate changing groove so as to intercept impurities in the discharging mould;
the supporting seats on the two sides of the discharging die are also provided with scraping mechanisms in a sliding translation manner, the scraping mechanisms comprise movable scrapers, and the movable scrapers are respectively matched with the filtering units and move up and down to scrape residual molten residual materials on the filtering units;
the support seats on two sides of the discharging die are also provided with reducing air cylinders, and the reducing air cylinders guide the air flow blown in by the high-pressure fan to act on the surface of the grid type filter plate so as to promote the separation of impurities and the filter unit.
Preferably, grid formula filter plate includes the fixed translation rack that sets up in upper and lower both ends, upper and lower both ends the rib is evenly installed at the interval between the translation rack, and is adjacent be provided with the filter screen between the rib and form the filter unit.
Preferably, the sliding translation mechanism comprises a driving gear matched with the translation rack, the driving gear is fixedly installed on a power output shaft of the speed reducer, the power input end of the speed reducer is fixedly connected to a driving shaft of the servo motor, and the speed reducer and the servo motor are both fixedly installed on the supporting seat through the first installation frame.
Preferably, sliding blocks are further fixedly mounted at two ends of the grid type filter plate, and the sliding blocks at the two ends are movably matched with linear sliding rails fixedly mounted on the supporting seat.
Preferably, the movable scraper is fixedly connected to a telescopic arm of the telescopic cylinder, the telescopic cylinder is fixedly installed on the lifting frame, the lifting frame is installed on the second installation frame in a lifting mode, a threaded hole is formed in the bottom of the second installation frame, a translation lead screw is movably inserted into the threaded hole and fixedly connected to a driving shaft of the lead screw motor, and a lifting mechanism for driving the lifting frame to lift is arranged in the second installation frame.
Preferably, the discharging die is provided with infrared heating plates on the front side and the rear side of the left and right plate replacing grooves.
Preferably, the supporting seat is further fixedly provided with a material baffle plate, and the material baffle plate is arranged on the opposite side of the installation position of the reducing air duct.
Compared with the prior art, the invention has the beneficial effects that:
the invention not only realizes automatic screen changing without shutdown, but also can comprehensively clean the replaced filtering unit, and after the thick and heavy molten material is scraped by the movable scraper, the high-speed blower ensures that particles are easy to separate from the filtering screen after being solidified, thereby playing the effects of automatic screen changing and rapid filtering screen cleaning and greatly reducing the cleaning difficulty of the filtering screen.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the overall structure of the present invention;
FIG. 3 is an elevational view of the overall construction of the present invention;
fig. 4 is a schematic structural diagram of the grid type filter plate of the present invention.
In the figure: the automatic feeding device comprises a support seat 1, a discharging die 2, a grid type filter plate 3, a filter unit 4, a movable scraper 5, a variable diameter air duct 6, a translation rack 7, ribs 8, a filter screen 9, a driving gear 10, a speed reducer 11, a servo motor 12, a first mounting rack 13, a sliding block 14, a linear sliding rail 15, a telescopic cylinder 16, a lifting rack 17, a second mounting rack 18, a translation lead screw 19, a lead screw motor 20, an infrared heating plate 21 and a material baffle 22.
Detailed Description
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.
The embodiment is as follows:
referring to fig. 1-4, the present invention provides a technical solution:
the first embodiment is as follows:
a plate type automatic screen changer comprises a supporting seat 1, wherein a discharging die 2 is fixedly installed at the upper part of the supporting seat 1, plate changing grooves are penetratingly formed in the left side and the right side of the middle part of the discharging die 2, which are perpendicular to the discharging direction, grid type filter plates 3 are slidably inserted in the plate changing grooves in a translation manner, two ends of each grid type filter plate 3 extend outwards from the corresponding plate changing groove, and a sliding translation mechanism for driving each grid type filter plate 3 to translate left and right is further arranged on the supporting seat 1;
the grid type filter plate 3 consists of a plurality of filter units 4 which are uniformly arranged at intervals, and the plurality of filter units 4 are driven by the sliding translation mechanism to alternately enter and exit the plate changing groove so as to intercept impurities in the discharging mould 2;
the supporting seats 1 on the two sides of the discharging die 2 are also provided with scraping mechanisms in a sliding translation manner, each scraping mechanism comprises a movable scraper 5, and the movable scrapers 5 are respectively matched with the filtering units 4 and move up and down to scrape residual molten residual materials on the filtering units;
the support seats 1 on the two sides of the discharging die 2 are also provided with reducing air cylinders 6, and the reducing air cylinders 6 guide the air flow blown in by the high-pressure fan to act on the surface of the grid type filter plate 3 so as to promote the separation of impurities from the filter unit 4.
In this embodiment, the supporting seat 1 is used as a mounting and bearing mechanism for various parts, the discharging mold 2 is communicated with the extrusion molding pipe to extrude molten material through rotation of the extrusion screw, and metal particles doped in the molten material need to be filtered through a screen during extrusion of the molten material, therefore, the invention can greatly save screen changing time by arranging a screen changing groove in the discharging mold 2 and inserting the grid type filter plate 3 into the screen changing groove, when the filter screen needs to be changed, automatic screen changing operation under the condition of no shutdown can be completed by sliding the grid type filter plate 3, the screen changing mode does not need shutdown, the grid type filter plate 3 adopts a straight plate type structure, rapid screen changing can be realized through translational sliding, meanwhile, molten residues can be taken out of the discharging mold 2 along with movement of the grid type filter plate 3 during screen changing, therefore, a scraping mechanism needs to scrape the taken-out molten material quickly, and simultaneously, residues on the filtering unit 4 can not be completely cleaned by utilizing a scraping mechanism, therefore, the residual particles can be conveniently cleaned by a high-pressure air flow of the grid type filter plate 6 and a high-pressure air-blowing fan for cleaning residual particles, the residual on the filtering unit and a high-speed air duct, and a high-speed air-cutting-filtering unit for cleaning residual particles, and cleaning residual particles on the filtering unit, and a high-speed filtering air duct for cleaning the filtering unit, after the high-speed fan takes the particles out of the filtering unit 4, the particles can be shielded by the material baffle 22, so that the materials are prevented from splashing.
Example two:
in this embodiment, the grid-type filter plate 3 includes the translation racks 7 fixedly disposed at the upper and lower ends, the ribs 8 are uniformly installed at intervals between the translation racks 7 at the upper and lower ends, the filter screen 9 is disposed between the adjacent ribs 8 to form the filter unit 4, the filter unit 4 is formed by installing the translation racks 7 and the ribs 8, the molten material is filtered by the filter unit 4, meanwhile, the sliding translation mechanism includes the drive gear 10 matched with the translation racks 7, the drive gear 10 is fixedly installed on the power output shaft of the speed reducer 11, the power input end of the speed reducer 11 is fixedly connected to the drive shaft of the servo motor 12, the speed reducer 11 and the servo motor 12 are both fixedly installed on the support seat 1 through the first installation frame 13, the speed reducer 11 is driven to rotate through the rotation of the servo motor 12, the drive gear 11 rotates to drive the drive gear 10, the translation racks 7 are caused to slide and translate by the rotation of the drive gear 10, so as to further realize the left-right reciprocating sliding of the grid-type filter plate 3, in order to ensure the sliding stability of the grid-type filter plate 3, the sliding blocks 3 are also fixedly installed at both ends, the sliding blocks 14 are movably matched with the linear slide rails 15, thereby realizing the stable movement of the support seat 3.
Example three:
in this embodiment, the movable scraper 5 is fixedly connected to the telescopic arm of the telescopic cylinder 16, the telescopic cylinder 16 is fixedly installed on the lifting frame 17, the lifting frame 17 is installed on the second mounting frame 18 in a lifting manner, a threaded hole is formed in the bottom of the second mounting frame 18, the translation lead screw 19 is movably inserted in the threaded hole, the translation lead screw 19 is fixedly connected to the driving shaft of the lead screw motor 20, the lifting mechanism for driving the lifting frame 17 to lift is arranged in the second mounting frame 18, the movable scraper 5 is sufficiently attached to the filtering unit 4 through the stretching of the telescopic cylinder 16, the lifting mechanism for driving the lifting frame 17 to lift is arranged in the second mounting frame 18, thereby the melt material taken out from the filtering unit 4 is scraped, the second mounting frame 18 is slidably installed on the supporting seat 1, the sliding translation process of the second mounting frame is realized through the rotation of the lead screw motor 20, the translation lead screw motor 20 rotates to drive the translation lead screw 19 to rotate, and further drive the second mounting frame 18 to translate, the movable scraper 5 is accurately matched with the filtering unit 4 through the translation of the second mounting frame 18, the movable scraper 2 is arranged on the left side and right side of the plate groove, the front side and back side of the hot plate 21, and the hot plate 21 are arranged, thereby the hot plate 5 can be conveniently heated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a board-like trades net ware automatically, includes supporting seat (1), its characterized in that: the discharging die (2) is fixedly installed at the upper part of the supporting seat (1), plate changing grooves are formed in the left side and the right side of the middle part of the discharging die (2) perpendicular to the discharging direction in a penetrating mode, grid type filter plates (3) are inserted in the plate changing grooves in a sliding and translation mode, two ends of each grid type filter plate (3) extend outwards from the corresponding plate changing groove, and a sliding and translation mechanism for driving each grid type filter plate (3) to translate left and right is further arranged on the supporting seat (1);
the grid type filter plate (3) consists of a plurality of filter units (4) which are uniformly arranged at intervals, and the filter units (4) alternately enter and exit the plate changing groove under the driving of the sliding translation mechanism so as to intercept impurities in the discharging mould (2);
the supporting seats (1) on the two sides of the discharging die (2) are also provided with scraping mechanisms in a sliding translation manner, each scraping mechanism comprises a movable scraper (5), and the movable scrapers (5) are respectively matched with the filtering units (4) and move up and down to scrape residual molten residual materials on the filtering units;
the support seats (1) on the two sides of the discharging die (2) are also provided with reducing air cylinders (6), and the reducing air cylinders (6) guide the air flow blown by the high-pressure fan to act on the surface of the grid type filter plate (3) so as to promote the separation of impurities from the filter unit (4).
2. The plate-type automatic screen changer according to claim 1, wherein: grid formula filter plate (3) are including the fixed translation rack (7) that sets up in upper and lower both ends, both ends from top to bottom translation rack (7) between the interval evenly install rib (8), and are adjacent be provided with between rib (8) filter screen (9) and form filter unit (4).
3. The plate-type automatic screen changer according to claim 2, wherein: the sliding translation mechanism comprises a driving gear (10) matched with a translation rack (7), the driving gear (10) is fixedly installed on a power output shaft of a speed reducer (11), the power input end of the speed reducer (11) is fixedly connected to a driving shaft of a servo motor (12), and the speed reducer (11) and the servo motor (12) are fixedly installed on a supporting seat (1) through a first mounting frame (13).
4. A plate-type automatic screen changer according to claim 1 or 3, wherein: sliding blocks (14) are further fixedly mounted at two ends of the grid type filter plate (3), and the sliding blocks (14) at the two ends are movably matched with linear sliding rails (15) fixedly mounted on the supporting seat (1).
5. The plate-type automatic screen changer according to claim 4, wherein: remove scraper (5) fixed connection on the flexible arm of telescopic cylinder (16), telescopic cylinder (16) fixed mounting is on crane (17), crane (17) over-and-under type is installed on second mounting bracket (18), threaded hole is seted up to second mounting bracket (18) bottom, the activity of threaded hole is inserted and is equipped with translation lead screw (19), translation lead screw (19) fixed connection is in the drive shaft of lead screw motor (20), be provided with the elevating system that drive crane (17) goes up and down in second mounting bracket (18).
6. A plate-type automatic screen changer according to claim 1 or 3, wherein: and infrared heating plates (21) are arranged on the front side and the rear side of the left plate replacing groove and the right plate replacing groove of the discharging die (2).
7. The plate-type automatic screen changer according to claim 6, wherein: still fixed mounting has striker plate (22) on supporting seat (1), striker plate (22) set up in the offside of reducing dryer (6) mounted position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310038270.0A CN115945416A (en) | 2023-01-10 | 2023-01-10 | Plate type automatic screen changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310038270.0A CN115945416A (en) | 2023-01-10 | 2023-01-10 | Plate type automatic screen changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115945416A true CN115945416A (en) | 2023-04-11 |
Family
ID=87296740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310038270.0A Pending CN115945416A (en) | 2023-01-10 | 2023-01-10 | Plate type automatic screen changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115945416A (en) |
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2023
- 2023-01-10 CN CN202310038270.0A patent/CN115945416A/en active Pending
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