CN220409581U - Screen changer of screw extruder - Google Patents
Screen changer of screw extruder Download PDFInfo
- Publication number
- CN220409581U CN220409581U CN202322112053.XU CN202322112053U CN220409581U CN 220409581 U CN220409581 U CN 220409581U CN 202322112053 U CN202322112053 U CN 202322112053U CN 220409581 U CN220409581 U CN 220409581U
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- China
- Prior art keywords
- screen changer
- screen
- screw extruder
- threaded
- changer
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- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a screen changer of a screw extruder, which comprises a screen changer, wherein a driving motor is fixedly arranged at the top end of the screen changer through a fastener, a driving gear is fixedly sleeved at the output end of the driving motor, driven gears are connected to the two sides of the driving gear in a meshed mode, threaded sleeves are fixedly arranged at the centers of the driven gears, threaded shafts are connected in the threaded sleeves in a threaded mode, mounting frames for mounting filter screens are connected to the bottom ends of the threaded shafts, baffles are fixedly arranged at the bottom ends of the mounting frames, and a feed inlet and a discharge outlet are respectively arranged at the two sides of the screen changer. The device is used through the cooperation of the threaded sleeve, the driving gear, the driven gear and the threaded shaft, realizes that the screen is replaced without stopping, improves certain working efficiency, and simultaneously can realize quick blocking of a channel when the screen is replaced through the baffle plate at the bottom of the mounting frame so as to prevent the phenomenon of flash when the screen is replaced.
Description
Technical Field
The utility model belongs to the technical field of extruders, and particularly relates to a screen changer of a screw extruder.
Background
The plastic extruder is used for completing plasticization and molding of plastic. The extruder heats the raw materials to make the solid raw materials into uniform viscous fluid, and under the action of the extrusion mechanism of the extruder, the molten materials are continuously extruded from the machine head at a certain pressure and speed to form the required plastic parts.
The screen changer in the extruder is used for filtering out impurities in materials, the materials enter through the feed inlet and are filtered through the filter screen, and when the impurities in the filter screen are accumulated to a certain degree, the filter screen is automatically changed through a manual or driving device. The screen changer of the existing extruder is characterized in that the inside of the screen changer is provided with a single filter screen, so that the extruder is required to be stopped when the screen is changed, and the production efficiency is affected to a certain extent. Accordingly, in view of the above, research and improvement are made to the existing structure and the existing defects, and a screen changer of a screw extruder is provided to achieve the purpose of more practical value.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a screen changer of a screw extruder, which is realized by the following specific technical means:
the utility model provides a screw extruder trades net ware, includes trades net ware, trade net ware top through fastener fixed mounting has driving motor, driving motor's the fixed cover in output is equipped with the driving gear, the both sides of driving gear all mesh is connected with driven gear, the equal fixed mounting in center department of driven gear has the screw sleeve, equal threaded connection has the screw shaft in the screw sleeve, the bottom of screw shaft all is connected with the mounting bracket that is used for installing the filter screen, the bottom fixed mounting of mounting bracket has the baffle, trade the both sides of net ware and be provided with feed inlet and discharge gate respectively, trade the inside of net ware at communicating with each other with feed inlet and discharge gate respectively and be provided with feed channel and discharge channel.
Further, the two groups of screw shafts are opposite in rotation direction, rectangular grooves matched with the mounting frame in size are formed in one side of the top end of the screen changer, and sealing gaskets are arranged at the edges of the top ends of the rectangular grooves.
Further, circular through grooves are formed in one side of the mounting frame, the feeding channels and the discharging channels are two groups, and the caliber of each channel is matched with that of each circular through groove.
Further, the top of mounting bracket is all fixed mounting has the connector, the mounting bracket passes through the connector and is connected with the screw thread axle.
Further, the inside of the screen changer is provided with a heating chamber, the heating chamber comprises a plurality of groups of heating rods arranged on one side of the screen changer, and one side of the screen changer is provided with a control panel.
Further, a control panel is installed on one side of the screen changer, the control panel is electrically connected with the driving motor, and the shell is rotationally connected with the threaded sleeve.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through the matched use of the threaded sleeve, the driving gear, the driven gear and the threaded shaft, the screen replacement without stopping is realized, a certain working efficiency is improved, and meanwhile, the rapid blocking of the channel during the screen replacement can be realized through the baffle plate at the bottom of the mounting frame, so that the phenomenon of flash during the screen replacement is prevented; through setting up two sets of feed channel and discharge channel, avoided its condition of blocking in the screen change in-process, sustainable ejection of compact to improve production efficiency.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic perspective view of the second embodiment of the present utility model.
FIG. 3 is a schematic view of the mounting structure of the present utility model.
Fig. 4 is a schematic cross-sectional view of a screen changer according to the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a screen changer; 2. a driving motor; 3. a drive gear; 4. a driven gear; 5. a threaded sleeve; 6. a threaded shaft; 7. a mounting frame; 8. a baffle; 9. a feed inlet; 10. a discharge port; 11. a feed channel; 12. a discharge channel; 13. and a housing.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
as shown in fig. 1 to 4:
the utility model provides a screen changer of a screw extruder, wherein a driving motor 2 is fixedly arranged at the top end of the screen changer 1 through a fastener, a driving gear 3 is fixedly sleeved at the output end of the driving motor 2, driven gears 4 are respectively connected with two sides of the driving gear 3 in a meshed mode, a threaded sleeve 5 is fixedly arranged at the center of each driven gear 4, a threaded shaft 6 is respectively connected with the inside of each threaded sleeve 5 in a threaded mode, an installation frame 7 for installing a filter screen is respectively connected with the bottom end of each threaded shaft 6, a baffle plate 8 is fixedly arranged at the bottom end of each installation frame 7, a feed inlet 9 and a discharge outlet 10 are respectively arranged at two sides of the screen changer 1, and a feed channel 11 and a discharge channel 12 are respectively arranged in the screen changer 1 and are respectively communicated with the feed inlet 9 and the discharge outlet 10.
The two groups of threaded shafts 6 are opposite in rotation direction, rectangular grooves matched with the mounting frame 7 in size are formed in one side of the top end of the screen changer 1, and sealing gaskets are arranged at the edges of the top ends of the rectangular grooves. By arranging the sealing gasket, the condition that flash occurs in the ascending or descending process of the mounting frame 7 is avoided.
Wherein, circular through grooves are all offered on one side of the mounting frame 7, the feeding channel 11 and the discharging channel 12 are two groups, and the caliber of the channels is matched with that of the circular through grooves.
Wherein, the equal fixed mounting in top of mounting bracket 7 has the connector, mounting bracket 7 is connected with screw thread axle 6 through the connector, through setting up the connector, for mounting bracket 7's installation and dismantlement provide convenience.
Wherein, the inside of the screen changer 1 is provided with a heating chamber, and the heating chamber comprises a plurality of groups of heating rods arranged on one side of the screen changer 1.
Wherein, the top of the screen changer 1 is fixedly provided with a shell 13, and the shell 13 is rotationally connected with the threaded sleeve 5.
The working principle of the embodiment is as follows: when the screen changer is used, the feed inlet 9 on one side of the screen changer 1 is in butt joint with the outlet of the screw extruder, then a user rotates by controlling the driving motor 2 to enable a group of threaded shafts 6 to ascend and a group of threaded shafts 6 to descend, so that the installation frame 7 is driven to ascend or descend through the threaded shafts 6, and meanwhile, the installation frame 7 drives the baffle 8 to ascend or descend, so that the feed channel 11 and the discharge channel 12 are closed or opened through the baffle 8, and the filter screen is convenient to replace. According to the utility model, through the matched use of the threaded sleeve 5, the driving gear 3, the driven gear 4 and the threaded shaft 6, the screen replacement without stopping is realized, a certain working efficiency is improved, and meanwhile, the rapid blocking of a channel during the screen replacement can be realized through the baffle plate 8 at the bottom of the mounting frame 7, so that the phenomenon of flash during the screen replacement is prevented; through setting up two sets of feed channel 11 and ejection of compact passageway 12, avoided its condition of blocking in the screen change in-process, sustainable ejection of compact to improve production efficiency.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. The utility model provides a screw extruder trades net ware, includes trade net ware (1), its characterized in that: the top end of the screen changer (1) is fixedly provided with a driving motor (2) through a fastener, the output end of the driving motor (2) is fixedly sleeved with a driving gear (3), two sides of the driving gear (3) are respectively connected with a driven gear (4) in a meshed manner, the center of the driven gear (4) is fixedly provided with a threaded sleeve (5), the threaded sleeve (5) is internally and uniformly connected with a threaded shaft (6), the bottom of screw spindle (6) all is connected with mounting bracket (7) that are used for installing the filter screen, the bottom fixed mounting of mounting bracket (7) has baffle (8), the both sides of trading net ware (1) are provided with feed inlet (9) and discharge gate (10) respectively, the inside of trading net ware (1) is in communicating with each other with feed inlet (9) and discharge gate (10) respectively and is provided with feed channel (11) and discharge channel (12).
2. The screw extruder screen changer of claim 1, wherein: the two groups of threaded shafts (6) are opposite in rotation direction, rectangular grooves matched with the mounting frame (7) in size are formed in one side of the top end of the screen changer (1), and sealing gaskets are arranged at the edges of the top ends of the rectangular grooves.
3. The screw extruder screen changer of claim 1, wherein: circular through grooves are formed in one side of the mounting frame (7), the feeding channels (11) and the discharging channels (12) are two groups, and the channel caliber is matched with that of the circular through grooves.
4. The screw extruder screen changer of claim 1, wherein: the top of mounting bracket (7) is all fixed mounting has the connector, mounting bracket (7) are connected with screw shaft (6) through the connector.
5. The screw extruder screen changer of claim 1, wherein: the inside of trade net ware (1) is provided with the heating cavity, the heating cavity includes the heating rod of multiunit installation in trade net ware (1) one side.
6. The screw extruder screen changer of claim 1, wherein: the top end of the screen changer (1) is fixedly provided with a casing (13), and the casing (13) is rotationally connected with the threaded sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322112053.XU CN220409581U (en) | 2023-08-08 | 2023-08-08 | Screen changer of screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322112053.XU CN220409581U (en) | 2023-08-08 | 2023-08-08 | Screen changer of screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220409581U true CN220409581U (en) | 2024-01-30 |
Family
ID=89646973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322112053.XU Active CN220409581U (en) | 2023-08-08 | 2023-08-08 | Screen changer of screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220409581U (en) |
-
2023
- 2023-08-08 CN CN202322112053.XU patent/CN220409581U/en active Active
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| GR01 | Patent grant |