CN214521851U - Automatic filter screen replacing device of extruder - Google Patents
Automatic filter screen replacing device of extruder Download PDFInfo
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- CN214521851U CN214521851U CN202121032335.3U CN202121032335U CN214521851U CN 214521851 U CN214521851 U CN 214521851U CN 202121032335 U CN202121032335 U CN 202121032335U CN 214521851 U CN214521851 U CN 214521851U
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Abstract
The utility model relates to an automatic filter screen changing device of an extruder, which comprises a base plate, a discharge nozzle is fixed at the left end of the rotary plate, a rotary plate is arranged between the discharge nozzle and the base plate, three filter holes are arranged on the bottom surface of the rotary plate, the three filter holes are uniformly distributed along the circumference by taking the rotary plate axis as the circle center, a sleeve is arranged in each filter hole, the sleeve can slide left and right, a feed hole, a discharge hole and a mesh loading hole are arranged on the base plate, a discharge port is arranged on the discharge nozzle, the discharge port is coaxial with the feed hole, when the filter holes rotate to be coaxial with the discharge port, the rotary plate is limited to rotate, the mesh unloading hole and the mesh loading hole respectively correspond to the other two filter holes on the rotary plate, the filter screen is unloaded into the mesh unloading hole by the filter holes, the filter screen is conveyed to the filter holes, and the rotary plate rotation limitation can be removed after the sleeve slides left; the utility model discloses an install the three filtration pore of crossing that can rotate used in turn additional in extruder material export, realize the automation of filter screen among the filter screen used in turn and unload net and dress net, the structure is ingenious, improves the filter screen greatly and changes efficiency.
Description
Technical Field
The utility model relates to an extruder filters the field, specifically is an automatic filter screen device of changing of extruder.
Background
When the plastic extruder works, a certain section of the heater does not work, the material is not well plasticized, the operating temperature is set to be lower, the molecular weight distribution of the plastic is wide or foreign matters which are not easy to melt exist can cause the filter screen at the discharge port of the extruder to be blocked, the extrusion efficiency of the extruder is influenced, the extruder needs to be stopped to replace the filter screen when the extruder is serious, and manpower and material resources are consumed.
Disclosure of Invention
To the above situation, for overcoming prior art's defect, the utility model provides an automatic filter screen device of changing of extruder has solved the problem that the extruder trades the net inefficiency.
The technical scheme includes that the automatic filter screen replacing device for the extruder comprises a fixed base plate, wherein the base plate is a cylindrical block horizontally arranged along the left side and the right side of an axis, a discharge nozzle is fixed at the left end of the rotary plate, the rotary plate is arranged between the discharge nozzle and the base plate and is a cylindrical block coaxially arranged with the base plate, the rotary plate can rotate around the axis between the base plate and the discharge nozzle, three filter holes are formed in the bottom surface of the rotary plate and are circular through holes penetrating horizontally and left and right, the three filter holes are uniformly distributed along the circumference by taking the axis of the rotary plate as the center of a circle, a sleeve is arranged in each filter hole, the sleeves are tubular shells coaxial with the filter holes and can slide left and right in the filter holes, and the left and right length of each sleeve is smaller than that of the filter holes;
open the feed port along the direction of rotation of carousel in proper order on the chassis, unload mesh and dress mesh, three holes are the circular through-hole that runs through about the level, unload mesh and dress mesh aperture and equal to filter the hole aperture, the feed port aperture is less than and filters the hole aperture, set up the discharge gate that runs through left and right sides terminal surface on the ejection of compact mouthpiece, the discharge gate is coaxial with the feed port all the time, when arbitrary filtration hole rotates to coaxial with the discharge gate, the carousel can be restricted rotatory, unload mesh and dress mesh and correspond with two other filtration hole positions on the carousel respectively this moment, it can unload the filter screen to unloading in the mesh with unloading after the mesh corresponds to filter the hole, dress mesh can be to carrying a filter screen in the filtration hole that corresponds, can remove the rotation restriction of carousel after the sleeve slides left.
The filter screen be the circular filter screen that the diameter equals to filter the hole aperture and can slide about in filtering the hole.
The upper end of the discharge pipe nozzle is fixed with a cross rod which is fixed on the chassis.
The middle part of the base plate is rotatably connected with a rotating shaft which is horizontally arranged left and right, the rotating shaft can rotate on the base plate, the rotating disc is fixed on the rotating shaft, the rotating disc can rotate between the base plate and the discharging pipe nozzle along the axis, a clockwork spring is fixed at the right end of the rotating shaft, the other end of the clockwork spring is fixed on the base plate, and the clockwork spring can rotate the rotating shaft.
Cross the cylindrical cavity that open at the hole middle part of straining have the diameter to be greater than the diameter of crossing the hole, the sleeve middle part is fixed with the shaft shoulder, the shaft shoulder is arranged in the cylindrical cavity, cylindrical cavity left end fixedly connected with spring, the spring other end is fixed on the sleeve middle part shaft shoulder, the spring makes the sleeve slide right, the sleeve slides to the position of leveling with carousel right-hand member face at most right side, can slide left side and can surpass the carousel left end face, the sleeve external diameter equals to cross the hole internal diameter, length is less than the sleeve and slides when the left end right-hand member left end face and the interval of sliding when the right end face, cylindrical cavity is sealed with sleeve outer fringe face all the time when guaranteeing the sleeve horizontal slip.
The sieve-mounting hole is characterized in that a detachable baffle is mounted in a hole at the right end of the sieve-mounting hole, the middle of the baffle is connected with a screw rod horizontally placed left and right, the screw rod can only slide left and right on the baffle, the left side of the screw rod on the baffle is in threaded connection with a driven gear, the right end of a rotating shaft is fixedly connected with a driving gear, the driven gear is meshed with the driving gear, when the rotating shaft rotates, the driven gear is driven to rotate by the driving gear, the screw rod can horizontally slide left, each rotating disk rotates 120 degrees, the leftward sliding distance of the screw rod is the thickness of one filter screen, the left end of the screw rod is provided with a push plate, the push plate can slide left and right in the sieve-mounting hole, the left end of the screw rod is fixed with a spring, the other end of the spring is fixed on the push plate, the spring always provides a leftward thrust for the push plate, when the screw rod slides left, the push plate does not slide along with the screw rod, the leftmost filter screen is always pressed on the right end surface of the rotating disk, after the filter hole rotates to a position corresponding to the sieve-mounting hole, the push plate overcomes the elasticity of the spring on the sleeve under the thrust action of the spring and pushes the filter screen at the leftmost side into the filter hole.
The screw rod is provided with a sliding groove, the baffle is fixed with a sliding block at the connecting position of the baffle and the screw rod, and the sliding block can slide left and right in the sliding groove, so that the screw rod can only slide left and right on the baffle.
Discharge gate middle part sliding connection have a position sleeve, position sleeve can be in the discharge gate horizontal side-to-side slip, position sleeve slides the back right-hand member face that right side can surpass the right-hand member face of carousel, make the filtration pore rotate to with the discharge gate coaxial time position sleeve can insert the restriction carousel rotation in the filtration pore.
Discharge gate middle part open and to have the cylindrical cavity that the diameter is greater than the discharge gate diameter, the position sleeve middle part is fixed with the shaft shoulder, the shaft shoulder is arranged in the cylindrical cavity, cylindrical cavity left end fixedly connected with spring, the spring other end is fixed on position sleeve middle part shaft shoulder, the spring makes position sleeve can slide right, the position sleeve external diameter equals and crosses the filtration pore internal diameter, length is less than the distance of right-hand member face when position sleeve slides to the leftmost end and left end face when sliding to the rightmost end about the cylindrical cavity in the discharge gate, cylindrical cavity is sealed with the position sleeve outer fringe face all the time when guaranteeing the position sleeve horizontal slip.
The sealing gaskets are arranged on the left side surface and the right side surface of the rotary table except for the opening positions, so that the solution in the discharge hole and the feed hole can be prevented from flowing out from the gaps on the two sides of the rotary table in the rotating process of the rotary table.
The utility model discloses an install the three filtration pore of crossing that can rotate used in turn additional in extruder material export, realize the automation of filter screen among the filter screen used in turn and unload net and dress net, the structure is ingenious, improves the filter screen greatly and changes efficiency.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a partial sectional view of a-a in fig. 2.
Fig. 4 is a partial sectional view of B-B in fig. 2.
Fig. 5 is a partial cross-sectional view of C-C of fig. 2.
Fig. 6 is a left view of the turntable, the filter holes and the rotating shaft parts of the present invention.
Fig. 7 is a left view of the chassis, the feeding hole, the discharging hole and the mesh loading part of the present invention.
Fig. 8 is a part diagram of the shaft, spring and driving gear of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
The utility model discloses a by figure 1 to 8 give, the utility model discloses a fixed chassis 1, chassis 1 is the cylinder piece that the level was placed about along the axis, the left end of carousel 2 is fixed with discharge nozzle 5, there is carousel 2 between discharge nozzle 5 and the chassis 1, carousel 2 is the cylinder piece with chassis 1 coaxial placing, carousel 2 can rotate around the axis between chassis 1 and discharge nozzle 5, three filtration pore 3 have been opened to the bottom surface of carousel 2, filtration pore 3 is the circular through-hole that runs through about the level, three filtration pore 3 uses carousel 2 axis as the centre of a circle along the circumference equipartition, there is a sleeve 7 in every filtration pore 3, sleeve 7 is the tubular casing coaxial with filtration pore 3 and can be in filtration pore 3 the horizontal slip, length is less than filtration pore 3 length about every sleeve 7;
the chassis 1 is opened along the direction of rotation of carousel 2 in proper order has feed port 10, unload mesh 11 and dress mesh 12, three holes are the circular through-hole that runs through about the level, unload mesh 11 and dress mesh 12 aperture and equal to filter 3 apertures, feed port 10 aperture is less than and filters 3 apertures, discharge gate 18 that the terminal surface was controlled in the perforation was seted up to running through on the ejection of compact mouthpiece 5, discharge gate 18 is coaxial with feed port 10 all the time, when arbitrary filtration hole 3 that filters rotated to be coaxial with discharge gate 18, carousel 2 can be restricted rotatory, unload mesh 11 and dress mesh 12 and filter 3 positions on carousel 2 respectively and correspond this moment, it can unload the mesh 11 with unloading the filter screen after filter hole 3 corresponds with unloading mesh 11 in, dress mesh 12 can be to the filter screen of filter 3 internal transport that corresponds, the rotation restriction of carousel 2 can be removed after sleeve 7 slides left.
The filter screen be the circular filter screen that the diameter equals to filter 3 apertures in the hole and can slide about in filtering hole 3.
The upper end of the discharging pipe nozzle 5 is fixed with a cross rod 4, and the cross rod 4 is fixed on the chassis 1.
The middle part of the base plate 1 is rotatably connected with a rotating shaft 9 which is horizontally arranged left and right, the rotating shaft 9 can rotate on the base plate 1, the turntable 2 is fixed on the rotating shaft 9, the turntable 2 can rotate between the base plate 1 and the discharging pipe nozzle 5 along the axis, a clockwork spring 17 is fixed at the right end of the rotating shaft 9, the other end of the clockwork spring 17 is fixed on the base plate 1, and the clockwork spring 17 can rotate the rotating shaft 9.
It has the diameter to be greater than the cylindrical cavity of filtering 3 diameters to cross 3 middle parts of filtration hole, sleeve 7 middle part is fixed with the shaft shoulder, the shaft shoulder is arranged in cylindrical cavity, cylindrical cavity left end fixedly connected with spring, the spring other end is fixed on sleeve 7 middle part shaft shoulder, the spring makes sleeve 7 slide right, sleeve 7 slides to the position of leveling with 2 right-hand members of carousel face at most right side, can slide left side and can surpass 2 left end faces of carousel, sleeve 7 external diameter equals to cross 3 internal diameters of filtration hole, length is less than sleeve 7 when sliding to the left end right end face and the interval of sliding to the right end face when the right end face is crossed to the left side of cylindrical cavity in the filtration hole 3, cylindrical cavity is sealed with sleeve 7 outer fringe face all the time when guaranteeing sleeve 7 horizontal slip.
The detachable baffle plate 19 is arranged at the orifice at the right end of the mesh containing hole 12, the middle part of the baffle plate 19 is connected with a screw 14 which is horizontally arranged from left to right, the screw 14 can only slide from left to right on the baffle plate 19, the left side of the baffle plate 19 on the screw 14 is in threaded connection with a driven gear 15, the right end of a rotating shaft 9 is fixedly connected with a driving gear 16, the driven gear 15 is meshed with the driving gear 16, when the rotating shaft 9 rotates, the driven gear 15 is driven by the driving gear to rotate, the screw 14 can horizontally slide from left to right, each time the rotating disc 2 rotates 120 degrees, the distance for the left sliding of the screw 14 is the thickness of the filter screen 6, the left end of the screw 14 is provided with a push plate 13, the push plate 13 can slide from left to right in the mesh containing hole 12, the left end of the screw 14 is fixed with a spring, the other end of the spring is fixed on the push plate 13, the spring always provides a left thrust for the push plate 13 when the screw 14 slides from left, the leftmost filter screen 6 is pressed on the right end face of the rotary table 2 at first, and after the filter holes 3 rotate to the positions corresponding to the mesh installing holes 12, the pushing plate 13 overcomes the elastic force of the spring on the sleeve 7 under the thrust action of the spring and pushes the leftmost filter screen 6 into the filter holes 3.
The screw 14 is provided with a sliding groove 20, the baffle 19 is fixed with a sliding block 21 at the connecting position with the screw 14, and the sliding block 21 can slide left and right in the sliding groove 20, so that the screw 14 can only slide left and right on the baffle 19.
Sealing gaskets are arranged on the left side surface and the right side surface of the rotary table 2 except for the opening positions, so that the solution in the discharge hole 18 and the feed hole 10 can be prevented from flowing out from gaps on the two sides of the rotary table 2 in the rotating process of the rotary table 2.
Before the utility model is used, the feed inlet 10 is communicated with the material outlet of the extruder, the filtering holes 3 on the rotary disc 2 respectively correspond to the feed holes 10 on the chassis 1, the discharging holes 11 and the mesh loading holes 12, the right side of the sleeve 7 in the filtering hole 3 corresponding to the feed holes 10 is provided with the filter screen 6, the positioning sleeve 8 in the discharging nozzle 5 is inserted into the filtering hole 3 to limit the rotary disc 2 to rotate under the driving of the clockwork spring 17, the filter screens 6 vertically placed in front and at the back are transversely stacked in the mesh loading holes 12, and the spring on the push plate 13 overcomes the elasticity of the spring on the sleeve 7 to press and send the leftmost filter screen 6 into the filtering hole 3 corresponding to the mesh loading hole 12;
when the filter screen replacing device is used, after a filter screen 6 is blocked, the pressure on the right side of the filter screen 6 is increased, the sleeve 7 slides leftwards, the sleeve 7 pushes the positioning sleeve 8 to slide leftwards until the positioning sleeve 8 is separated from the rotary disc 2, the rotary disc 2 starts to rotate under the drive of the clockwork spring 17, the filter holes 3 which are corresponding to the screen loading holes 12 and carry new filter screens 6 rotate to the corresponding positions of the feed holes 10, the positioning sleeve 8 is inserted into the new filter holes 3 again to limit the rotation of the rotary disc 2, the filter process is continued, the rotary disc 2 rotates the filter holes 10 carrying the blocked filter screens 6 to the corresponding positions of the screen unloading holes 11, the blocked filter screens 6 are pushed into the screen unloading holes 11 under the thrust action of the springs on the sleeve 7, the sleeve 7 can only slide rightwards to the position where the right end surface is flush with the right end surface of the rotary disc 2, therefore, the sleeve 7 cannot obstruct the rotation of the rotary disc 2, and the rotary shaft 9 rotates to drive the driving gear 16 and the driven gear 15 to rotate in the rotary screen replacing process, because the driven gear 15 is in threaded fit with the screw 14 in the mesh loading hole 12, the driven gear 15 rotates to drive the screw 14 to slide leftwards by the thickness of the filter screen 6, and the new filter screen 6 is pressed into the filter hole 3 which corresponds to the mesh loading hole 12 and is unloaded through the mesh unloading hole 12.
After the filter screen 6 is blocked, the pressure on the right side of the filter screen 6 is increased, the sleeve 7 slides leftwards, the sleeve 7 pushes the positioning sleeve 8 to slide leftwards until the positioning sleeve 8 is separated from the rotary table 2, the rotary table 2 starts to rotate under the drive of the clockwork spring 17, the filter hole 3 which is corresponding to the screen installing hole 12 and carries a new filter screen 6 rotates to the corresponding position of the feed hole 10, the positioning sleeve 8 is inserted into the new filter hole 3 again to limit the rotation of the rotary table 2, the filtering process is continued, and the screen is changed without stopping;
when the sleeve 7 slides rightwards to the rightmost end, the right end face of the sleeve 7 is flush with the right end face of the rotary table 2, after the filter holes 3 rotate to positions corresponding to the mesh unloading holes 11, the sleeve 7 can push the right filter screen 6 into the mesh unloading holes 11, the sleeve 7 cannot block the rotation of the rotary table 2, and automatic mesh unloading is achieved;
in the process of rotating and replacing the screen of the turntable 2, the rotating shaft 9 rotates to drive the driving gear 16 and the driven gear 15 to rotate, and because the driven gear 15 is in threaded fit with the screw 14 in the screen loading hole 12, the driven gear 15 rotates to drive the screw 14 to slide leftwards by the thickness of one filter screen 6, and the new filter screen 6 is pressed into the filter hole 3 which corresponds to the screen loading hole 12 and is unloaded through the screen unloading hole 12, so that automatic screen loading is realized.
Claims (9)
1. The automatic filter screen replacing device of the extruder is characterized by comprising a fixed base plate (1), wherein the base plate (1) is a cylindrical block horizontally arranged along the left side and the right side of an axis, a discharge nozzle (5) is fixed at the left end of the rotary plate (2), a rotary plate (2) is arranged between the discharge nozzle (5) and the base plate (1), the rotary plate (2) is a cylindrical block coaxially arranged with the base plate (1), the rotary plate (2) can rotate around the axis between the base plate (1) and the discharge nozzle (5), three filter holes (3) are formed in the bottom surface of the rotary plate (2), the filter holes (3) are circular through holes penetrating through the horizontal left side and the horizontal right side, the three filter holes (3) are uniformly distributed along the circumference by taking the axis of the rotary plate (2) as the circle center, a sleeve (7) is arranged in each filter hole (3), the sleeve (7) is a tubular shell coaxial with the filter holes (3) and can slide left side and right side in the filter holes (3), the left and right length of each sleeve (7) is less than the length of the filter hole (3);
a feed hole (10), a discharge hole (11) and a mesh loading hole (12) are sequentially formed in the base plate (1) along the rotation direction of the rotary plate (2), the three holes are horizontal round through holes penetrating left and right, the aperture of the discharge hole (11) and the aperture of the mesh loading hole (12) are equal to that of the filter hole (3), the aperture of the feed hole (10) is smaller than that of the filter hole (3), a discharge hole (18) penetrating left and right end faces is formed in a discharge pipe nozzle (5), the discharge hole (18) is coaxial with the feed hole (10) all the time, when any filter hole (3) rotates to be coaxial with the discharge hole (18), the rotary plate (2) can be limited to rotate, at the moment, the discharge hole (11) and the mesh loading hole (12) respectively correspond to the positions of the other two filter holes (3) on the rotary plate (2), the filter screen can be unloaded into the discharge hole (11) after the filter hole (3) corresponds to the discharge hole (11), and the mesh loading hole (12) can convey a filter screen into the corresponding filter hole (3), the sleeve (7) can release the rotation restriction of the turntable (2) after sliding leftwards.
2. The automatic filter screen replacing device of the extruder according to claim 1, wherein a cross rod (4) is fixed at the upper end of the discharging nozzle (5), and the cross rod (4) is fixed on the chassis (1).
3. The automatic filter screen replacing device of the extruding machine according to claim 1, wherein the middle part of the base plate (1) is rotatably connected with a rotating shaft (9) which is horizontally arranged left and right, the rotating shaft (9) can rotate on the base plate (1), the rotating disc (2) is fixed on the rotating shaft (9), a clockwork spring (17) is fixed at the right end of the rotating shaft (9), the other end of the clockwork spring (17) is fixed on the base plate (1), and the clockwork spring (17) can enable the rotating shaft (9) to rotate.
4. The automatic filter screen replacing device of the extruder as claimed in claim 1, wherein the middle of the filter hole (3) is provided with a cylindrical cavity with a diameter larger than that of the filter hole (3), the middle of the sleeve (7) is fixed with a shaft shoulder which is arranged in the cylindrical cavity, the left end of the cylindrical cavity is fixedly connected with a spring, the other end of the spring is fixed on the shaft shoulder in the middle of the sleeve (7), the sleeve (7) slides rightwards to a position flush with the right end face of the turntable (2) at most, can slide leftwards to exceed the left end face of the turntable (2), the outer diameter of the sleeve (7) is equal to the inner diameter of the filter hole (3), and the left-right length of the cylindrical cavity in the filter hole (3) is smaller than the distance between the right end face and the left end face when the sleeve (7) slides to the leftmost end.
5. The automatic filter screen replacing device of the extruding machine as claimed in claim 3, wherein the right end opening of the mesh containing hole (12) is provided with a detachable baffle plate (19), the middle part of the baffle plate (19) is connected with a screw rod (14) horizontally arranged left and right, the screw rod (14) can only slide left and right on the baffle plate (19), the left side of the baffle plate (19) on the screw rod (14) is in threaded connection with a driven gear (15), the right end of the rotating shaft (9) is fixedly connected with a driving gear (16), the driven gear (15) is meshed with the driving gear (16), when the rotating shaft (9) rotates, the driven gear (15) is driven by the driving gear to rotate, the screw rod (14) can horizontally slide left, each time the rotating disc (2) rotates 120 degrees, the distance that the screw rod (14) slides left is the thickness of one filter screen (6), the left end of the screw rod (14) is provided with a push plate (13), and the push plate (13) can slide left and right in the mesh containing hole (12), the left end of the screw rod (14) is fixed with a spring, the other end of the spring is fixed on the push plate (13), and the spring can enable the push plate (13) to slide leftwards.
6. The automatic filter screen replacing device of the extruder according to claim 5, wherein the screw (14) is provided with a sliding groove (20), the baffle (19) is fixed with a sliding block (21) at the connecting position with the screw (14), and the sliding block (21) can slide left and right in the sliding groove (20).
7. The automatic filter screen replacing device of the extruder according to claim 1, wherein a positioning sleeve (8) is slidably connected to the middle of the discharge port (18), the positioning sleeve (8) can horizontally slide left and right in the discharge port (18), and the right end face of the positioning sleeve (8) can exceed the right end face of the rotary disc (2) after sliding right.
8. The automatic filter screen replacing device of the extruder according to claim 7, wherein the middle part of the discharge port (18) is provided with a cylindrical cavity with a diameter larger than that of the discharge port (18), the middle part of the positioning sleeve (8) is fixed with a shaft shoulder, the shaft shoulder is arranged in the cylindrical cavity, the left end of the cylindrical cavity is fixedly connected with a spring, the other end of the spring is fixed on the shaft shoulder in the middle part of the positioning sleeve (8), the outer diameter of the positioning sleeve (8) is equal to the inner diameter of the filter hole (3), and the left and right length of the cylindrical cavity in the discharge port (18) is smaller than the distance between the right end face and the left end face when the positioning sleeve (8) slides to the leftmost end.
9. The automatic filter screen replacing device of the extruding machine as claimed in claim 1, wherein sealing gaskets are arranged on the left side surface and the right side surface of the rotating disc (2) except for the opening positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121032335.3U CN214521851U (en) | 2021-05-14 | 2021-05-14 | Automatic filter screen replacing device of extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121032335.3U CN214521851U (en) | 2021-05-14 | 2021-05-14 | Automatic filter screen replacing device of extruder |
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| Publication Number | Publication Date |
|---|---|
| CN214521851U true CN214521851U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121032335.3U Active CN214521851U (en) | 2021-05-14 | 2021-05-14 | Automatic filter screen replacing device of extruder |
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| CN (1) | CN214521851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116442504A (en) * | 2023-06-19 | 2023-07-18 | 扬州磐晟纳米新材料科技股份有限公司 | Extrusion molding equipment is used in plastics production convenient to change filter screen |
-
2021
- 2021-05-14 CN CN202121032335.3U patent/CN214521851U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116442504A (en) * | 2023-06-19 | 2023-07-18 | 扬州磐晟纳米新材料科技股份有限公司 | Extrusion molding equipment is used in plastics production convenient to change filter screen |
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