CN214360707U - Filter equipment for waste water treatment - Google Patents
Filter equipment for waste water treatment Download PDFInfo
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- CN214360707U CN214360707U CN202023295709.9U CN202023295709U CN214360707U CN 214360707 U CN214360707 U CN 214360707U CN 202023295709 U CN202023295709 U CN 202023295709U CN 214360707 U CN214360707 U CN 214360707U
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Abstract
The utility model belongs to the technical field of waste water treatment is relevant, concretely relates to filter equipment for waste water treatment, including the rose box, the bottom of rose box inner chamber both sides all is bolted connection to have the agitator, the center department intercommunication of agitator bottom has the outlet pipe, the water inlet has been seted up at the top of agitator, the left top intercommunication of agitator has into the pencil. The utility model discloses a first motor, first rotation axis, the action wheel, from the driving wheel, the second rotation axis, the cam, fixed rope, movable rod and reset spring's cooperation, the person of facilitating the use shakes first filter screen and second filter screen, thereby shake the left side with the pollutant on first filter screen and second filter screen surface, the person of facilitating the use clears up the pollutant, prevent first filter screen and second filter screen jam, very big improvement the filtration efficiency of first filter screen and second filter screen, thereby the purification efficiency of device to waste water has been improved.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment is relevant, concretely relates to filter equipment for waste water treatment.
Background
The wastewater treatment is to treat wastewater by physical, chemical and biological methods, purify the wastewater and reduce pollution so as to achieve the purposes of wastewater recovery and reuse and make full use of water resources, wherein the types of the wastewater comprise domestic wastewater and industrial wastewater, the domestic wastewater refers to the wastewater discharged by people in daily life activities, the wastewater is mainly polluted by domestic waste and human excrement, the quantity, the components and the concentration of pollutants are related to the living habits and the water consumption of people, the industrial wastewater refers to the pollutants which can be produced in industrial production, and the types and the concentrations of the pollutants produced in different industries have obvious differences.
Waste water treatment needs to use filter equipment to purify waste water, however after traditional for waste water treatment filter equipment used for a long time, causes the pollutant to pile up on the surface of filter screen easily, causes the filter screen to block up, very big reduction the filterable efficiency of filter screen, lead to the device to waste water purification's efficiency to reduce, the user needs often to maintain and change the filter screen in the device simultaneously, further causes the purifying effect of device to reduce.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a filter equipment for waste water treatment to solve the easy problem of blockking up of the traditional filter equipment filter screen for waste water treatment who provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a filtering device for wastewater treatment comprises a filtering box, wherein stirring barrels are bolted at the bottoms of two sides of an inner cavity of the filtering box, a water outlet pipe is communicated at the center of the bottom of the stirring barrel, a water inlet is formed in the top of the stirring barrel, a medicine inlet pipe is communicated with the left top of the stirring barrel, the left end of the medicine inlet pipe sequentially penetrates through the stirring barrel and the filtering box and extends towards the left side, first through grooves are sequentially formed in the right side of the inner cavity of the filtering box from top to bottom, sealing gaskets are bonded at the top and the bottom of the inner cavity of the first through grooves, a connecting plate is movably connected to the inner side of each sealing gasket, a first filtering net and a second filtering net are respectively bolted through the first through grooves in the left side of the connecting plate, mounting plates are bolted at the left sides of the first filtering net and the second filtering net, the left sides of the mounting plates and the inner cavity of the filtering box are sequentially bolted at the left side of the filtering box from top to bottom, the top of first fixed plate has bolted the install bin, the inner chamber of install bin is provided with moving mechanism, the positive top of rose box has bolted the controller, the center department intercommunication at rose box top has the funnel, the left bottom intercommunication of rose box has the drain pipe.
Preferably, the moving mechanism comprises a first motor, a first rotating shaft, a driving wheel, a driven wheel, a second rotating shaft, a cam, a fixed rope, a movable rod and a reset spring, the first motor is connected to the right side of the top of the inner cavity of the installation box in a bolted mode, the first rotating shaft is connected to an output shaft of the first motor in a bolted mode, the bottom of the first rotating shaft is connected to the right side of the bottom of the inner cavity of the installation box in a rotating mode through a bearing, the driving wheel is sequentially connected to the surface of the first rotating shaft from top to bottom in a bolted mode, the driven wheel is connected to the surface of the driving wheel in a belt transmission mode, the second rotating shaft is connected to the inner cavity of the driven wheel in a bolted mode, the first supporting plate and the second supporting plate are respectively connected to the top of the second rotating shaft in a rotating mode through bearings, the left sides of the first supporting plate and the second supporting plate are connected to the left side of the inner cavity of the installation box in a bolted mode, the cam is connected to the surface of the second rotating shaft in a bolted mode, the right side bolt of cam bottom has connect fixed rope, one side bolt that the cam was kept away from to fixed rope has connected the movable rod, the positive swing joint of loose axle and install bin inner chamber is located to positive center of movable rod, the left side of install bin is from last to having all seted up the second groove of leading to down in proper order, the left side of movable rod runs through the second and leads to the groove and extend to the left side, reset spring has been bolted on the right side of movable rod bottom, reset spring keeps away from one side of movable rod respectively with the right side of second backup pad and the bottom bolt of install bin inner chamber.
Preferably, the top and the bottom of the front and the back of the inner cavity of the installation box are sequentially provided with sliding grooves from left to right, the inner cavity of each sliding groove is connected with a sliding block in a sliding manner, and one opposite side of each sliding block penetrates through the sliding groove and is bolted to the front and the back of the movable rod.
Preferably, the top of second fixed plate has bolted connection the second motor, the output shaft bolted connection of second motor has the (mixing) shaft, the center department on agitator right side is rotated through the bearing and is connected with the surface of (mixing) shaft, the left side of (mixing) shaft runs through rose box and agitator in proper order and is rotated through the left side of bearing and agitator inner chamber and be connected, the top and the bottom of (mixing) shaft all have bolted connection in proper order from a left side to the right side and have the stirring leaf.
Preferably, a protection pad is bonded on the left side of the top of the movable rod, and the top of the protection pad is movably connected with the right side of the bottom of the connecting plate.
Preferably, the left side of rose box is from last to all having bolted connection in proper order down the collecting box, the left side of rose box inner chamber is from last to all having the pipe of wasting discharge in proper order down, the top swing joint of funnel has the apron.
Preferably, the two sides of the top of the stirring barrel are bolted with first flow guide blocks, the outer sides of the first flow guide blocks are bolted with the two sides of the inner cavity of the filter box, the bottom of the inner cavity of the filter box is bolted with second flow guide blocks, and the right sides of the second flow guide blocks are bolted with the bottom of the right side of the inner cavity of the filter box.
The utility model has the advantages that:
1. the utility model discloses a first motor, first rotation axis, the action wheel, from the driving wheel, the second rotation axis, the cam, fixed rope, movable rod and reset spring's cooperation, the person of facilitating the use shakes first filter screen and second filter screen, thereby shake the left side with the pollutant on first filter screen and second filter screen surface, the person of facilitating the use clears up the pollutant, prevent first filter screen and second filter screen blocking, very big improvement the filtration efficiency of first filter screen and second filter screen, thereby the purification efficiency of device to waste water has been improved, the problem of traditional for the waste water treatment filter equipment filter screen easy blocking has been solved.
2. The utility model is convenient for the user to limit the movable rod through the matching of the sliding chute and the sliding block, meanwhile, the auxiliary movable rod swings, the stability of the movable rod is improved, the medicament and the wastewater are fully mixed through the matching of the second motor, the stirring shaft and the stirring blades, the purification effect of the device on the wastewater is improved, the movable rod is prevented from directly contacting with the first filter screen and the second filter screen through the matching of the protective pad, so that the first filter screen and the second filter screen are prevented from being damaged, through the matching of the collecting box and the waste discharge pipe, the user can conveniently discharge the pollutants on the surfaces of the first filter screen and the second filter screen into the collecting box for centralized treatment, through the cooperation of first water conservancy diversion piece, make the waste water after filtering carry out the agitator fast in, through the cooperation of second water conservancy diversion piece, make the water after mixing the purification carry to drain pipe discharge rose box fast.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
FIG. 1 is a schematic view of a filtering apparatus for wastewater treatment according to the present invention;
FIG. 2 is a sectional view showing the structure of a filtering apparatus for wastewater treatment according to the present invention;
fig. 3 is a structural sectional view of the installation box provided by the present invention.
Illustration of the drawings: 1. a filter box; 2. a stirring barrel; 3. a gasket; 4. a connecting plate; 5. a first filter screen; 6. a second filter screen; 7. a first fixing plate; 8. a second fixing plate; 9. a moving mechanism; 91. a first motor; 92. a first rotating shaft; 93. a driving wheel; 94. a driven wheel; 95. a second rotation shaft; 96. a cam; 97. fixing a rope; 98. a movable rod; 99. a return spring; 10. installing a box; 11. a funnel; 12. a chute; 13. a slider; 14. a second motor; 15. a stirring shaft; 16. stirring blades; 17. a collection box; 18. a first support plate; 19. a second support plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a filtering device for wastewater treatment comprises a filtering box 1, wherein the bottoms of the two sides of the inner cavity of the filtering box 1 are bolted with a stirring barrel 2, the center of the bottom of the stirring barrel 2 is communicated with a water outlet pipe, the top of the stirring barrel 2 is provided with a water inlet, the top of the left side of the stirring barrel 2 is communicated with a drug inlet pipe, the left end of the drug inlet pipe sequentially penetrates through the stirring barrel 2 and the filtering box 1 and extends towards the left side, the right side of the inner cavity of the filtering box 1 is sequentially provided with a first through groove from top to bottom, the top and the bottom of the inner cavity of the first through groove are respectively bonded with a sealing gasket 3, the inner side of the sealing gasket 3 is movably connected with a connecting plate 4, the left side of the connecting plate 4 penetrates through the first through groove and is respectively bolted with a first filtering net 5 and a second filtering net 6, the left sides of the first filtering net 5 and the second filtering net 6 are respectively bolted with a mounting plate, and the left side of the mounting plate is bolted with the left side of the inner cavity of the filtering box 1, the right side of the filter box 1 is sequentially bolted with a first fixing plate 7 and a second fixing plate 8 from top to bottom, the top of the first fixing plate 7 is bolted with an installation box 10, the inner cavity of the installation box 10 is provided with a moving mechanism 9, the front top of the filter box 1 is bolted with a controller, the center of the top of the filter box 1 is communicated with a funnel 11, the left bottom of the filter box 1 is communicated with a drain pipe, the first filter screen 5 and the second filter screen 6 are vibrated by a first motor 91, a first rotating shaft 92, a driving wheel 93, a driven wheel 94, a second rotating shaft 95, a cam 96, a fixed rope 97, a movable rod 98 and a reset spring (99) through the matching of the first motor 91, the first rotating shaft 93, the driven wheel 94, the second rotating shaft 95, the cam 96, the fixed rope 97, the movable rod 98 and the reset spring (99), so that a user can conveniently shake pollutants on the surfaces of the first filter screen 5 and the second filter screen 6 to the left side, the user can conveniently clean the pollutants, the first filter screen 5 and the second filter screen 6 can be prevented from being blocked, and the filtering efficiency of the first filter screen 5 and the second filter screen 6 can be greatly improved, thereby improving the purification efficiency of the device to the waste water and solving the problem that the filter screen of the traditional filtering device for waste water treatment is easy to block.
The moving mechanism 9 comprises a first motor 91, a first rotating shaft 92, a driving wheel 93, a driven wheel 94, a second rotating shaft 95, a cam 96, a fixed rope 97, a movable rod 98 and a return spring 99, the first motor 91 is bolted on the right side of the top of the inner cavity of the installation box 10, the first rotating shaft 92 is bolted on an output shaft of the first motor 91, the bottom of the first rotating shaft 92 is rotatably connected with the right side of the bottom of the inner cavity of the installation box 10 through a bearing, the driving wheel 93 is sequentially bolted on the surface of the first rotating shaft 92 from top to bottom, the driven wheel 94 is connected on the surface of the driving wheel 93 through belt transmission, the second rotating shaft 95 is bolted on the inner cavity of the driven wheel 94, the top of the second rotating shaft 95 is rotatably connected with a first supporting plate 18 and a second supporting plate 19 through bearings respectively, the left sides of the first supporting plate 18 and the second supporting plate 19 are bolted on the left side of the inner cavity of the installation box 10, the cam 96 is bolted on the surface of the second rotating shaft 95, the right side of the bottom of the cam 96 is bolted with a fixed rope 97, one side of the fixed rope 97, which is far away from the cam 96, is bolted with a movable rod 98, the front center of the movable rod 98 is movably connected with the front of the inner cavity of the installation box 10 through a movable shaft, the left side of the installation box 10 is sequentially provided with second through grooves from top to bottom, the left side of the movable rod 98 penetrates through the second through groove and extends towards the left side, the right side of the bottom of the movable rod 98 is bolted with a return spring 99, one side of the return spring 99, which is far away from the movable rod 98, is respectively bolted with the right side of the second support plate 19 and the bottom of the inner cavity of the installation box 10, and through the cooperation of the first motor 91, the first rotating shaft 92, the driving wheel 93, the driven wheel 94, the second rotating shaft 95, the cam 96, the fixed rope 97, the movable rod 98 and the return spring 99, a user can conveniently vibrate the first filter screen 5 and the second filter screen 6, thereby vibrating the pollutants on the surfaces of the first filter screen 5 and the second filter screen 6 to the left side, the person of facilitating the use clears up the pollutant, prevents that first filter screen 5 and second filter screen 6 from blockking up, very big improvement first filter screen 5 and second filter screen 6's filtration efficiency to the purification efficiency of device to waste water has been improved.
The top of second fixed plate 8 is bolted with second motor 14, the output shaft of second motor 14 is bolted with (mixing) shaft 15, the center department on agitator 2 right side is connected with the surface rotation of (mixing) shaft 15 through the bearing, the left side of (mixing) shaft 15 runs through filter box 1 and agitator 2 in proper order and is connected with the left side rotation of agitator 2 inner chamber through the bearing, the top and the bottom of (mixing) shaft 15 all have bolted stirring leaf 16 from a left side to the right side in proper order, through second motor 14, the cooperation of (mixing) shaft 15 and stirring leaf 16, abundant mix medicament and waste water, the purifying effect of device to waste water has been improved.
The protection pad is bonded on the left side of the top of the movable rod 98, and the top of the protection pad is movably connected with the right side of the bottom of the connecting plate 4, so that the movable rod 98 is prevented from directly contacting with the first filter screen 5 and the second filter screen 6 through the matching of the protection pad, and the first filter screen 5 and the second filter screen 6 are damaged.
The collecting box 17 is bolted on from last all in proper order down in the left side of rose box 1, and the left side of rose box 1 inner chamber is from last to all communicating in proper order down and has the pipe of wasting discharge, and the top swing joint of funnel 11 has the apron, through the cooperation of collecting box 17 and the pipe of wasting discharge, and convenient to use person carries out centralized processing with the pollutant discharge on first filter screen 5 and the 6 surfaces of second filter screen in collecting box 17.
The both sides at 2 tops of agitator all are bolted to have first water conservancy diversion piece, and the outside of first water conservancy diversion piece and the both sides bolt of 1 inner chamber of rose box, the bottom bolt of 1 inner chamber of rose box has the second water conservancy diversion piece, and the right side of second water conservancy diversion piece and the bottom bolt on 1 inner chamber right side of rose box, cooperation through first water conservancy diversion piece, make waste water after the filtration carry out agitator 2 fast in, cooperation through the second water conservancy diversion piece, make the water after the mixed purification carry to drain pipe discharge rose box 1 fast.
The working principle is as follows: the user carries waste water into the filter box 1 through the funnel 11, at this time, the user turns on the first motor 91 through the controller, the first motor 91 drives the first rotating shaft 92 to rotate, so that the first rotating shaft 92 drives the driving wheel 93 to rotate, further the driving wheel 93 drives the driven wheel 94 to rotate, subsequently the driven wheel 94 drives the second rotating shaft 95 to rotate, so that the second rotating shaft 95 drives the cam 96 to rotate, further the cam 96 drives the fixed rope 97 to rotate, subsequently the fixed rope 97 drives the movable rod 98 to vertically and reciprocally swing under the action of the reset spring 99, so that the movable rod 98 drives the first filter screen 5 and the second filter screen 6 to vibrate, so as to prevent pollutants from blocking the filter screens, then the waste water sequentially passes through the first filter screen 5 and the second filter screen 6 to be filtered, at this time, under the guide flow of the first guide block, the waste water is carried into the stirring barrel 2, the user adds the medicament in to agitator 2 through advancing the pencil afterwards, the user opens second motor 14 through the controller simultaneously, second motor 14 drives (mixing) shaft 15 afterwards and rotates, thereby (mixing) shaft 15 drives stirring leaf 16 and rotates, make the medicament fully mix with waste water, thereby purify waste water, waste water carries out rose box 1 through second water conservancy diversion piece fast afterwards, when the pollutant on first filter screen 5 and the 6 surfaces of second filter screen is too much, the user carries the pollutant to the collecting box 17 in through arranging the waste pipe.
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. A filter device for wastewater treatment, comprising a filter box (1), characterized in that: the filter box is characterized in that the bottom of two sides of an inner cavity of the filter box (1) is bolted with a stirring barrel (2), the center of the bottom of the stirring barrel (2) is communicated with a water outlet pipe, the top of the stirring barrel (2) is provided with a water inlet, the left top of the stirring barrel (2) is communicated with a medicine inlet pipe, the left end of the medicine inlet pipe sequentially penetrates through the stirring barrel (2) and the filter box (1) and extends towards the left side, the right side of the inner cavity of the filter box (1) is sequentially provided with a first through groove from top to bottom, the top and the bottom of the inner cavity of the first through groove are both bonded with a sealing gasket (3), the inner side of the sealing gasket (3) is movably connected with a connecting plate (4), the left side of the connecting plate (4) penetrates through the first through groove and is respectively bolted with a first filter screen (5) and a second filter screen (6), the left sides of the first filter screen (5) and the second filter screen (6) are both bolted with mounting plates, and the left side bolt of the left side of mounting panel and rose box (1) inner chamber, the right side of rose box (1) is from last to having bolted first fixed plate (7) and second fixed plate (8) down in proper order, the top bolt of first fixed plate (7) has install bin (10), the inner chamber of install bin (10) is provided with moving mechanism (9), the positive top bolt of rose box (1) has the controller, the center department intercommunication at rose box (1) top has funnel (11), the left bottom intercommunication of rose box (1) has the drain pipe.
2. A filter device for wastewater treatment as set forth in claim 1, wherein: the moving mechanism (9) comprises a first motor (91), a first rotating shaft (92), a driving wheel (93), a driven wheel (94), a second rotating shaft (95), a cam (96), a fixed rope (97), a movable rod (98) and a return spring (99), the first motor (91) is bolted on the right side of the top of the inner cavity of the installation box (10), the first rotating shaft (92) is bolted on an output shaft of the first motor (91), the bottom of the first rotating shaft (92) is rotationally connected with the right side of the bottom of the inner cavity of the installation box (10) through a bearing, the driving wheel (93) is sequentially bolted on the surface of the first rotating shaft (92) from top to bottom, the driven wheel (94) is connected on the surface of the driving wheel (93) through belt transmission, the second rotating shaft (95) is bolted on the inner cavity of the driven wheel (94), the top of the second rotating shaft (95) is rotationally connected with a first supporting plate (18) and a second supporting plate (19) through bearings respectively, the left sides of the first supporting plate (18) and the second supporting plate (19) are bolted with the left side of the inner cavity of the installation box (10), a cam (96) is bolted on the surface of the second rotating shaft (95), a fixing rope (97) is bolted on the right side of the bottom of the cam (96), one side of the fixed rope (97) far away from the cam (96) is bolted with a movable rod (98), the center of the front surface of the movable rod (98) is movably connected with the front surface of the inner cavity of the installation box (10) through a movable shaft, the left side of the installation box (10) is sequentially provided with second through grooves from top to bottom, the left side of the movable rod (98) penetrates through the second through grooves and extends towards the left side, the right side of the bottom of the movable rod (98) is bolted with a return spring (99), and one side, far away from the movable rod (98), of the return spring (99) is respectively bolted with the right side of the second supporting plate (19) and the bottom of the inner cavity of the installation box (10).
3. A filter device for wastewater treatment as set forth in claim 1, wherein: the top and the bottom of the front and the back of the inner cavity of the installation box (10) are sequentially provided with sliding grooves (12) from left to right, the inner cavity of each sliding groove (12) is slidably connected with a sliding block (13), and one opposite side of each sliding block (13) penetrates through each sliding groove (12) and is bolted to the front and the back of each movable rod (98).
4. A filter device for wastewater treatment as set forth in claim 1, wherein: the top bolt of second fixed plate (8) has second motor (14), the output shaft bolt of second motor (14) has (mixing) shaft (15), the center department on agitator (2) right side is rotated through the surface of bearing with (mixing) shaft (15) and is connected, the left side of (mixing) shaft (15) runs through rose box (1) and agitator (2) in proper order and is connected through the left side rotation of bearing with agitator (2) inner chamber, the top and the bottom of (mixing) shaft (15) all have bolted in proper order from a left side to the right side and have stirring leaf (16).
5. A filter device for wastewater treatment according to claim 2, characterized in that: the protection pad is bonded on the left side of the top of the movable rod (98), and the top of the protection pad is movably connected with the right side of the bottom of the connecting plate (4).
6. A filter device for wastewater treatment as set forth in claim 1, wherein: the left side of rose box (1) is from last to all having bolted connection in proper order down with collecting box (17), the left side of rose box (1) inner chamber is from last to all communicating in proper order down has the pipe of wasting discharge, the top swing joint of funnel (11) has the apron.
7. A filter device for wastewater treatment as set forth in claim 1, wherein: the two sides of the top of the stirring barrel (2) are all bolted with first flow guide blocks, the outer sides of the first flow guide blocks are bolted with the two sides of the inner cavity of the filter box (1), the bottom of the inner cavity of the filter box (1) is in bolted connection with second flow guide blocks, and the right sides of the second flow guide blocks are in bolted connection with the bottom of the right side of the inner cavity of the filter box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023295709.9U CN214360707U (en) | 2020-12-30 | 2020-12-30 | Filter equipment for waste water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023295709.9U CN214360707U (en) | 2020-12-30 | 2020-12-30 | Filter equipment for waste water treatment |
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| Publication Number | Publication Date |
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| CN214360707U true CN214360707U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023295709.9U Active CN214360707U (en) | 2020-12-30 | 2020-12-30 | Filter equipment for waste water treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311100A (en) * | 2021-12-21 | 2022-04-12 | 浙江戴氏印刷机械有限公司 | High-speed automatic die cutting machine |
| CN114311100B (en) * | 2021-12-21 | 2024-04-30 | 浙江戴氏印刷机械有限公司 | High-speed automatic die cutting machine |
-
2020
- 2020-12-30 CN CN202023295709.9U patent/CN214360707U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311100A (en) * | 2021-12-21 | 2022-04-12 | 浙江戴氏印刷机械有限公司 | High-speed automatic die cutting machine |
| CN114311100B (en) * | 2021-12-21 | 2024-04-30 | 浙江戴氏印刷机械有限公司 | High-speed automatic die cutting machine |
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