CN212147468U - Double-plunger continuous-strip screen changer - Google Patents
Double-plunger continuous-strip screen changer Download PDFInfo
- Publication number
- CN212147468U CN212147468U CN202020463571.XU CN202020463571U CN212147468U CN 212147468 U CN212147468 U CN 212147468U CN 202020463571 U CN202020463571 U CN 202020463571U CN 212147468 U CN212147468 U CN 212147468U
- Authority
- CN
- China
- Prior art keywords
- plunger
- filter
- double
- groove
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a double-plunger continuous strip screen changer, including the casing, material inlet and material outlet have been seted up on this casing, two filter chambers have still been seted up in the casing, each filter chamber respectively with material inlet and material outlet are linked together, each the filter chamber all is equipped with a plunger, this plunger along its axial with filter chamber sliding seal cooperation, through set up corresponding feed supplement groove and exhaust duct on the plunger, feed supplement groove can be linked together with the feed supplement hole on the casing, make the filter screen supplement the material in advance before getting into the work position, the filler carries out abundant exhaust through the exhaust duct simultaneously, there is not the bubble in the material, after the plunger moves the work position again, the aircraft nose just can not lack the material, can effectively avoid the fracture of the material strip of bush department, and save the material, alleviate workman's work load; the double plungers can alternately perform the screen changing operation, the material conveying is not influenced during the screen changing, and the continuous production can be realized.
Description
Technical Field
The utility model relates to a water-cooling brace granulation field, concretely relates to continuous strip of double-plunger trades wire stitcher.
Background
In recent years, with the rapid development of rubber and plastic industries, twin-screw mixing extrusion granulators are widely used, and water-cooling strand granulation is the most basic granulation method. When the raw materials added into the extruder have reclaimed materials or the requirement on the cleanliness of the mixed materials is high, a filter needs to be added between the extrusion cylinder body and the bracing piece machine head, and the double-plunger screen changer is a suitable filter.
At present commonly used trade net ware is mostly with hydraulic pressure as drive power, pressure oil drive hydro-cylinder motion, the hydro-cylinder drives the plunger and removes, make and remove between two stations of plunger, after the long-time work of filter screen at open work position, rubbish in the material can block up the filter mesh gradually, lead to aircraft nose pressure to rise, need make the hydro-cylinder action this moment, it stretches out to make the plunger promote the filter screen, change the filter screen, the dirty filter in will shifting out the external trade otter board of organism simultaneously clears away, it uses when trading clean filter screen in order to be ready for the next time to trade the net to change, make the material pass through from clean filter screen again.
However, for the strand cutting, after the plunger with the replaced net enters the net replacing shell, the material fills the cavity where the porous plate is located, so that the die of the machine head is short of the material, the phenomenon of material breaking can be caused at the moment when the original pulled material strip is interrupted in the net replacing process, the material strip at the die is broken, the strip needs to be manually drawn again, and the production can be continued. This wastes raw materials on the one hand and increases the labor intensity of the workers on the other hand.
Disclosure of Invention
In order to solve the problem, the utility model discloses a double-plunger continuous strip screen changer.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a two plunger continuous strip screen changer, includes the casing, has seted up material import and material export on this casing, still seted up two filter chambers in the casing, each filter chamber respectively with material import and material export are linked together, each all be equipped with a plunger in the filter chamber, this plunger along its axial with filter chamber sliding seal cooperation, each the plunger all is through a linear drive mechanism drive and make linear motion along its axial, its characterized in that: the plunger is provided with a filter hole corresponding to the material inlet, a filter screen is arranged in the filter hole, a material channel is formed among the material inlet, the filter hole and the material outlet, the outer wall of the plunger is also provided with a material supplementing groove and an exhaust groove, the shell is provided with a material supplementing hole corresponding to the material supplementing groove of each plunger, and the material supplementing groove and the exhaust groove are communicated with the filter hole;
the plunger has a first working position and a second working position; the first working position is as follows: the filter cavity is characterized in that the material supplementing groove and the exhaust groove are both located in the shell, the material supplementing groove is not communicated with the material supplementing hole, the linear driving mechanism drives the plunger to axially extend out of the shell in the second working position, the exhaust groove is communicated with the outside, the material supplementing groove is communicated with the material supplementing hole, and the plunger seals the filter cavity.
As an improvement of the utility model, two are all seted up to the air discharge duct on the plunger the air discharge duct is located respectively both sides around the filter screen.
As an improvement of the utility model, the material supplementing groove with the one end orientation that the filtration pore links to each other filter the setting of filtration pore slope.
As an improvement of the present invention, the linear driving mechanism is one of a cylinder, a hydraulic cylinder, or an electric cylinder.
As an improvement of the utility model, the linear driving mechanism is the pneumatic cylinder, and this pneumatic cylinder is installed on the casing through a mounting bracket, the push rod of pneumatic cylinder is followed the axial of plunger is connected with the plunger.
As an improvement of the utility model, the aperture of the filter hole is gradually reduced from the material inlet to the material outlet.
Compared with the prior art, the utility model has the advantages of as follows: the plunger is provided with the corresponding material supplementing groove and the corresponding exhaust groove, the material supplementing groove can be communicated with the material supplementing hole in the shell, so that the filter screen is supplemented with materials in advance before entering a working position, the filler is fully exhausted through the exhaust groove at the same time, no air bubble exists in the materials, the machine head cannot lack the materials after the plunger moves to the working position again, the material strips at the mouth die can be effectively prevented from being broken, the materials are saved, and the workload of workers is reduced; the double plungers can alternately perform the screen changing operation, the material conveying is not influenced during the screen changing, and the continuous production can be realized; furthermore, two exhaust grooves are formed in the filter screen, and the two exhaust grooves are located on the front side and the rear side of the filter screen respectively and can fully exhaust air.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a schematic diagram showing the state of the plunger during the screen change of the present invention;
fig. 4 is a schematic diagram of the state of the plunger during pre-filling of the present invention.
List of reference numerals: 1. a housing; 11. a material inlet; 12. a material outlet; 13. a filter chamber; 14. a feeding hole; 15. a flow channel; 2. a plunger; 21. a filtration pore; 22. a material supplementing groove; 23. an exhaust groove; 3. a linear drive mechanism; 4. and (4) a filter screen.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example (b): referring to fig. 1-4, a double-plunger continuous strip screen changer comprises a housing 1, wherein the housing 1 is provided with a material inlet 11 and a material outlet 12, the housing 1 is provided with two filter chambers 13, the two filter chambers 13 are respectively communicated with the material inlet 11 and the material outlet 12, referring to fig. 2, the housing 1 is provided with corresponding flow passages 15, the filter chambers 13 are respectively communicated with the material inlet 11 and the material outlet 12 through the flow passages 15, each filter chamber 13 is internally provided with a plunger 2, the plunger 2 is in sliding sealing fit with the filter chambers 13 along the axial direction thereof, the sliding sealing fit structure is an existing sealing structure, rubber rings or packing can be adopted for sealing, each plunger 2 is driven by a linear driving mechanism 3 to make linear motion along the axial direction thereof, specifically, the linear driving mechanism 3 is one of an air cylinder, a hydraulic cylinder or an electric cylinder, preferably, the linear driving mechanism 3 is a hydraulic cylinder, see fig. 1, 3 or 4, which is mounted on the housing 1 through a mounting bracket, and a push rod of the hydraulic cylinder is connected with the plunger 2 along the axial direction of the plunger 2, so as to drive the plunger 2 to extend out of or retract into the housing 1;
the plunger 2 is provided with a filtering hole 21 corresponding to the material inlet 11, a filter screen 4 is installed in the filtering hole 21, the filter screen 4 is a porous plate in the prior art, the filter screen 4 is detachably connected with the filtering hole 21, a material channel is formed among the material inlet 11, the filtering hole 21 and the material outlet 12, the outer wall of the plunger 2 is further provided with a material supplementing groove 22 and an air exhaust groove 23, the material supplementing groove 22 corresponding to each plunger 2 on the shell 1 is provided with a material supplementing hole 14, and the material supplementing groove 22 and the air exhaust groove 23 are communicated with the filtering hole 21;
the plunger 2 has a first working position and a second working position; the first working position is as follows: the material supplementing groove 22 and the air exhaust groove 23 are both located in the shell 1, the material supplementing groove 22 is not communicated with the material supplementing hole 14, and the filter screens 4 on the two plungers 2 can filter materials simultaneously at the working position.
Referring to fig. 3-4, when in operation, materials enter from the material inlet 11, are filtered by the flow passage 15 through the filter screens 4, and then are discharged from the material outlet 12 to enter the extrusion device, when a filter screen 4 on one plunger 2 is blocked, a screen changing operation is required, when the screen is changed, the linear driving mechanism 3 corresponding to the plunger 2 is started, the linear driving mechanism 3 drives the plunger 2 to do linear motion outwards, the plunger 2 drives the filter screen 4 to extend out and block the corresponding filter cavity 13, the other plunger 2 still works in the housing 1, the materials are continuously filtered, after the screen changing is finished, the linear driving mechanism 3 is started to enter a second working position, referring to the position of the plunger 2 in fig. 4, in the second working position, the exhaust groove 23 extends out of the housing 1 and is communicated with the outside, the material supplementing groove 22 is communicated with the material supplementing hole 14, at this time, the pre-filling operation is performed, the materials are supplemented into the material supplementing holes 14, the materials are filled into the filter cavity 13 of the plunger 2 through the material supplementing groove 22, meanwhile, air in the cavity of the filter cavity 13 exhausts outwards through the exhaust groove 23, when the materials overflow from the exhaust groove, the air in the cavity of the filter cavity 13 is exhausted, the materials are filled, at the moment, the linear driving mechanism 3 is controlled again to drive the plunger 2 to return, the materials pass through the new filter screen 4, and due to the fact that the materials are filled into the cavity first when the filter screen is changed, the phenomena of material shortage and material breakage are avoided.
Two air discharge grooves 23 are formed in each plunger 2, the two air discharge grooves 23 are respectively located on the front side and the rear side of the filter screen 4, and air can be fully discharged due to the arrangement of the two air discharge grooves 23.
The end, connected with the filter hole 21, of the material supplementing groove 22 is obliquely arranged towards the filter hole 21, and when the materials are filled, the materials can enter the material supplementing groove 22 in an inclined mode, so that the filling is smoother.
The aperture of the filter hole 21 is gradually reduced from the material inlet 11 to the material outlet 12, so that the pressure of the discharged material can be improved.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides a two plunger does not break and trades wire stitcher, includes casing (1), has seted up material import (11) and material export (12) on this casing (1), two filter chamber (13) have still been seted up in casing (1), two filter chamber (13) respectively with material import (11) and material export (12) are linked together, each all be equipped with a plunger (2) in filter chamber (13), this plunger (2) along its axial with filter chamber (13) sliding seal cooperation, each plunger (2) all make linear motion along its axial through a linear drive mechanism (3) drive, its characterized in that: the plunger (2) is provided with a filtering hole (21) corresponding to the material inlet (11), a filter screen (4) is installed in the filtering hole (21), a material channel is formed among the material inlet (11), the filtering hole (21) and the material outlet (12), the outer wall of the plunger (2) is further provided with a material supplementing groove (22) and an air exhaust groove (23), the shell (1) is provided with a material supplementing hole (14) corresponding to the material supplementing groove (22) of each plunger (2), and the material supplementing groove (22) and the air exhaust groove (23) are communicated with the filtering hole (21);
the plunger (2) has a first working position and a second working position; the first working position is as follows: the feed supplementing trough (22) and the exhaust trough (23) are located in the shell (1), the feed supplementing trough (22) is not communicated with the feed supplementing hole (14), the linear driving mechanism (3) drives the plunger (2) to axially extend out of the shell (1) under the second working position, the exhaust trough (23) is communicated with the outside, the feed supplementing trough (22) is communicated with the feed supplementing hole (14), and the plunger (2) seals the filter cavity (13).
2. The double-plunger continuous strip screen changer according to claim 1, characterized in that: two air exhaust grooves (23) are formed in each plunger (2), and the two air exhaust grooves (23) are respectively located on the front side and the rear side of the filter screen (4).
3. The double-plunger continuous strip screen changer according to claim 1, characterized in that: the end, connected with the filtering hole (21), of the material supplementing groove (22) is obliquely arranged towards the filtering hole (21).
4. The double-plunger continuous strip screen changer according to claim 1, characterized in that: the linear driving mechanism (3) is one of an air cylinder, a hydraulic cylinder or an electric cylinder.
5. The double-plunger continuous strip screen changer according to claim 4, wherein: the linear driving mechanism (3) is a hydraulic cylinder, the hydraulic cylinder is installed on the shell (1) through a mounting frame, and a push rod of the hydraulic cylinder is connected with the plunger (2) along the axial direction of the plunger (2).
6. The double-plunger continuous strip screen changer according to claim 1, characterized in that: the aperture of the filter hole (21) is gradually reduced from the material inlet (11) to the material outlet (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020463571.XU CN212147468U (en) | 2020-04-01 | 2020-04-01 | Double-plunger continuous-strip screen changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020463571.XU CN212147468U (en) | 2020-04-01 | 2020-04-01 | Double-plunger continuous-strip screen changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212147468U true CN212147468U (en) | 2020-12-15 |
Family
ID=73724891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020463571.XU Active CN212147468U (en) | 2020-04-01 | 2020-04-01 | Double-plunger continuous-strip screen changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212147468U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470918A (en) * | 2022-03-16 | 2022-05-13 | 浙江宇丰机械有限公司 | Multi-station stock solution filtering system |
| CN117533791A (en) * | 2024-01-10 | 2024-02-09 | 中斯峰然建设有限公司 | Low-energy-consumption road construction material conveying device |
-
2020
- 2020-04-01 CN CN202020463571.XU patent/CN212147468U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470918A (en) * | 2022-03-16 | 2022-05-13 | 浙江宇丰机械有限公司 | Multi-station stock solution filtering system |
| CN117533791A (en) * | 2024-01-10 | 2024-02-09 | 中斯峰然建设有限公司 | Low-energy-consumption road construction material conveying device |
| CN117533791B (en) * | 2024-01-10 | 2024-04-30 | 中斯峰然建设有限公司 | Low-energy-consumption road construction material conveying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212147468U (en) | Double-plunger continuous-strip screen changer | |
| CN202037851U (en) | Filter for plastic extruding machine | |
| CN101637675B (en) | Cylindrical backwash purifying device | |
| JP2855088B2 (en) | Screen changer filtering method and screen changer | |
| CN112536161A (en) | High-efficient miscellaneous coal washing system that removes with quick centrifugal mechanism | |
| CN115337698A (en) | Sludge and sewage separation device for ceramsite preparation | |
| CN104827641B (en) | One kind does not shut down net-changing device and plastic extruder | |
| CN107856275B (en) | Double-screen back flushing self-cleaning continuous filter | |
| CN112497600A (en) | Synthetic rubber part forming die | |
| CN215703956U (en) | Continuous strip screen replacing device for plastic processing | |
| CN215512203U (en) | Reclaimed rubber extrusion device | |
| CN205674459U (en) | Twin columns four net backflow back wash net changing device | |
| CN2868386Y (en) | Enlargement type horizontal auto-backwash viscose filter | |
| CN216832095U (en) | Filtering device for plastic welding rod extruder | |
| CN107856274B (en) | Screw rod suction type self-cleaning continuous filter | |
| CN203878243U (en) | A filtration unit for chemical fiber material | |
| CN208514169U (en) | A kind of drum filtration chip removal device | |
| CN201470203U (en) | Cylindrical backwashing purifier | |
| CN208133574U (en) | A kind of rotary quick net-changing device device | |
| CN209851537U (en) | Filtration formula extruder | |
| CN205551107U (en) | A flash collection device that is used for heating wire that contains of continuous extrusion machine | |
| CN219381542U (en) | Die head material filtering device of double-screw extruder | |
| CN219709652U (en) | Double-column type melt filter with large-area filter screen | |
| CN214056384U (en) | Optical cable sheath PE material wire drawing frock | |
| CN214075244U (en) | Arc-shaped filtering unit and screen replacing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |