CN215940553U - Powder shifter with adjustable tightness of screen mesh - Google Patents
Powder shifter with adjustable tightness of screen mesh Download PDFInfo
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- CN215940553U CN215940553U CN202121631994.9U CN202121631994U CN215940553U CN 215940553 U CN215940553 U CN 215940553U CN 202121631994 U CN202121631994 U CN 202121631994U CN 215940553 U CN215940553 U CN 215940553U
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Abstract
The utility model discloses a powder shifter capable of adjusting the tightness of a screen, which comprises a machine body, wherein the inner walls of the opposite sides of the machine body are connected with a horizontally arranged vibrating frame in a sliding manner, the bottoms of the inner walls of the opposite sides of the vibrating frame are respectively provided with a rectangular groove, the inner walls of the tops of two rectangular grooves are fixedly provided with the same screen through bolts, the inner wall of the opposite side of one rectangular groove is respectively provided with a sliding groove, the inner wall of one side of each sliding groove is respectively connected with a sliding block in a sliding manner, the outer walls of the opposite sides of the two sliding blocks are respectively connected with the same tensioning roller in a rotating manner, and the inner wall of the bottom of one sliding groove is respectively connected with an adjusting component for adjusting the height of the tensioning roller in a rotating manner. According to the utility model, through the arrangement of the adjusting rod, the sliding block and the tensioning roller, the purpose that before screening work is carried out, the screen surface area of the screen is reduced or increased by rotating the adjusting rod and driving the tensioning roller to move through the threads is achieved, so that the tightness degree of the screen is adjusted, sufficient buffering is provided when materials fall on the screen, and the service life of the screen is prolonged.
Description
Technical Field
The utility model relates to the technical field of powder sifters, in particular to a powder sifter with an adjustable tightness degree of a screen.
Background
The powder sifter utilizes the sifting surface to vibrate with high frequency and small amplitude, so that the materials on the sifting surface are separated, and the powder sifter is needed in the screening work of powder materials or particle materials.
The existing powder screening machine has the following defects: for example, the degree of tightness of screen cloth is adjusted can not be realized, when screen cloth tensioning degree was too high, the material fell and shine the online unable buffering, lead to screen cloth life to reduce, still have the even input that can not realize the material in addition, the material can only be put in the same position on the screen cloth usually, lead to that screening efficiency is lower and screening effect is relatively poor, still have the synchronous self-adaptation adjustment of the even degree that can not realize the input and screen cloth vibration degree at last, often need the manual work to debug, lead to work efficiency to reduce.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a powder screening machine with an adjustable screen tightness.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a powder shifter capable of adjusting tightness of a screen comprises a machine body, wherein inner walls of opposite sides of the machine body are connected with a horizontally arranged vibrating frame in a sliding mode, rectangular grooves are formed in the bottoms of the inner walls of the opposite sides of the vibrating frame, the same screen is fixed on the inner walls of the tops of the two rectangular grooves through bolts, a sliding groove is formed in the inner wall of the opposite side of one rectangular groove, a sliding block is connected on the inner wall of one side of the two sliding grooves in a sliding mode, the outer wall of the opposite side of the two sliding blocks is connected with a same tensioning roller in a rotating mode, an adjusting assembly for adjusting the height of the tensioning roller is connected on the inner wall of the bottom of one sliding groove in a rotating mode, a power box is fixed on the outer wall of one side of the machine body through bolts, two elliptical discs distributed along the height direction of the inner wall of one side of the power box are connected on the inner wall of one side of the power box in a rotating mode, a first connecting rod and a second connecting rod are respectively connected on the outer wall of one side of the two elliptical discs through bolts, two the transmission shaft arc outer wall is provided with same drive mechanism, organism opposite side inner wall is in vibrations frame top sliding connection and has same material subassembly of throwing, organism one side inner wall has the drive to throw the gliding pneumatic component of material subassembly through the bolt fastening, vibrations frame one side outer wall has the spliced pole through the bolt fastening, and first connecting rod one side outer wall and spliced pole one side outer wall constitution rotate the connection.
Preferably, the adjusting assembly comprises an adjusting rod which is rotatably connected to the vertical arrangement of the inner wall of the bottom of the sliding groove, the adjusting rod penetrates through the outer wall of the top of the vibration frame, the arc-shaped outer wall of the adjusting rod is provided with a thread at a position close to the sliding groove, and the arc-shaped outer wall of the adjusting rod is close to the adjusting rod.
Preferably, the feeding assembly comprises a feeding box which is slidably connected to the inner wall of one side of the machine body, the outer wall of the top of the feeding box is fixedly provided with a hose through a bolt, the outer wall of the top of the power box is fixedly provided with a feeding hopper through a bolt, one end of the feeding box is far away from the hose, the arc-shaped outer wall of the feeding hopper is fixedly provided with a discharging hopper through a bolt, and the outer wall of one side of the machine body, far away from the feeding hopper, is fixedly provided with a discharging hopper through a bolt.
Preferably, the pneumatic assembly includes the sleeve through the bolt fastening at organism one side inner wall, sleeve one side outer wall is inserted and is equipped with the loop bar, and the loop bar keeps away from sleeve one side outer wall and throws material box one side outer wall and pass through the bolt fastening, headstock bottom inner wall has pneumatic case through the bolt fastening, pneumatic case one side inner wall sliding connection has the piston plate of level setting, piston plate top outer wall has the transfer line of vertical setting through the bolt fastening, and transfer line top outer wall and second connecting rod bottom outer wall constitute and rotate the connection, pneumatic case top outer wall one side has the gas-supply pipe through the bolt fastening, and gas-supply pipe one end is linked together with the sleeve.
Preferably, the transmission mechanism comprises a transmission belt sleeved on the arc-shaped outer walls of the two transmission shafts, a motor is fixed on the inner wall of one side of the power box through a bolt, and an output shaft of the motor is fixed on the outer wall of one side of one of the transmission shafts through a bolt.
Preferably, drive mechanism is including rotating the gear of connection at headstock one side inner wall, two tooth has all been seted up to transmission shaft arc outer wall, and the gear respectively with two tooth intermeshing, headstock one side inner wall has the motor through the bolt fastening, the output shaft of motor and one of them transmission shaft one side outer wall pass through the bolt fastening.
The utility model has the beneficial effects that:
1. this powder shifter of adjustable screen cloth elasticity through the regulation pole, slider and the tensioning roller that set up, can realize before carrying out the screening work, through rotatory regulation pole, drives the slider through the screw thread and reciprocates, and the in-process that the slider removed drives the tensioning roller and removes for the sifter area of screen cloth reduces or increases, and then realizes that the elasticity degree of screen cloth is adjusted, has sufficient buffering when the material falls on the screen cloth, increases the life of screen cloth.
2. This powder shifter of adjustable screen cloth elasticity through feeding box, hose, feeder hopper, loop bar and the sleeve that sets up, can realize under pneumatic subassembly's effect, realizes loop bar horizontal direction's reciprocating motion, drives feeding box and removes, with the even input of material on the screen cloth surface, has improved screening efficiency and screening degree.
3. This powder shifter of adjustable screen cloth elasticity, two oval dishes through setting up, drive mechanism, first connecting rod and second connecting rod, can realize realizing through the transmission machine that two oval dishes rotate with the same rotational speed, drive first connecting rod and second connecting rod respectively and remove, first connecting rod passes through the spliced pole and drives the vibrations frame at horizontal direction reciprocating motion, realize vibrations screening work, the second connecting rod passes through the transfer line and drives piston plate reciprocating motion from top to bottom, through pneumatic box and gas-supply pipe, drive the loop bar at horizontal direction reciprocating motion, realize vibration frequency and throw material frequency's self-adaptation regulation, avoid the manual work to adjust, and work efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of an embodiment 1 of a powder shifter with an adjustable tightness of a screen according to the present invention;
fig. 2 is a schematic perspective view of a machine body part of an embodiment 1 of the powder sieving machine with an adjustable tightness degree of a screen mesh provided by the utility model;
fig. 3 is a schematic structural diagram of a transmission mechanism of the powder sieving machine in embodiment 1 of the utility model, wherein the tightness of the sieve mesh can be adjusted.
Fig. 4 is a schematic structural diagram of a transmission mechanism of the powder sieving machine in embodiment 2 of the utility model, wherein the tightness of the sieve mesh can be adjusted.
In the figure: 1. a body; 2. a power box; 3. a feeding box; 4. a hose; 5. a feed hopper; 6. Adjusting a rod; 7. a tension roller; 8. screening a screen; 9. a discharge hopper; 10. a sleeve; 11. a loop bar; 12. Vibrating the frame; 13. a slider; 14. a gas delivery pipe; 15. an elliptical disk; 16. a first link; 17. A transmission belt; 18. a second link; 19. a piston plate; 20. a pneumatic tank; 21. a gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-3, a powder shifter capable of adjusting tightness of a screen, comprising a body 1, wherein inner walls of opposite sides of the body 1 are slidably connected with a horizontally arranged vibrating frame 12, rectangular grooves are respectively formed at bottoms of inner walls of opposite sides of the vibrating frame 12, the same screen 8 is fixed on inner walls of tops of two rectangular grooves through bolts, a sliding groove is respectively formed on inner walls of opposite sides of one rectangular groove, a sliding block 13 is respectively slidably connected with an inner wall of one side of the two sliding grooves, the outer walls of opposite sides of the two sliding blocks 13 are rotatably connected with a same tensioning roller 7, an adjusting component for adjusting the height of the tensioning roller 7 is rotatably connected with an inner wall of the bottom of one sliding groove, the adjusting component comprises an adjusting rod 6 which is rotatably connected to the inner wall of the bottom of the sliding groove and vertically arranged, the adjusting rod 6 penetrates through the outer wall of the top of the vibrating frame 12, threads are formed on the arc-shaped outer wall of the adjusting rod 6, and threaded holes are formed on the outer wall of the top of the sliding block 13 near the adjusting rod 6 for the adjusting rod to penetrate through, the outer wall of one side of the machine body 1 is fixedly provided with a power box 2 through bolts, the inner wall of one side of the power box 2 is rotatably connected with two elliptic discs 15 distributed along the height direction of the power box, the outer wall of one side of the two elliptic discs 15 is respectively rotatably connected with a first connecting rod 16 and a second connecting rod 18, the outer wall of one side of each of the two elliptic discs 15 is fixedly provided with a transmission shaft through bolts, the arc-shaped outer walls of the two transmission shafts are provided with the same transmission mechanism, the transmission mechanism comprises a transmission belt 17 sleeved on the arc-shaped outer walls of the two transmission shafts, the inner wall of one side of the power box 2 is fixedly provided with a motor through bolts, an output shaft of the motor and the outer wall of one side of one transmission shaft are fixedly provided with bolts, the inner wall of the opposite side of the machine body 1 above a vibration frame 12 is slidably connected with the same feeding assembly, the feeding assembly comprises a feeding box 3 slidably connected with the inner wall of one side of the machine body 1, and the outer wall of the top of the feeding box 3 is fixedly provided with a hose 4 through bolts, the outer wall of the top of the power box 2 is fixed with a feed hopper 5 through a bolt, one end of the hose 4 far away from the feeding box 3 and the arc-shaped outer wall of the feed hopper 5 are fixed through a bolt, the outer wall of one side of the machine body 1 far away from the feed hopper 5 is fixed with a discharge hopper 9 through a bolt, the inner wall of one side of the machine body 1 is fixed with a pneumatic component for driving the feeding component to slide through a bolt, the pneumatic component comprises a sleeve 10 fixed on the inner wall of one side of the machine body 1 through a bolt, a loop bar 11 is inserted on the outer wall of one side of the sleeve 10, the outer wall of one side of the loop bar 11 far away from the sleeve 10 and the outer wall of one side of the feeding box 3 are fixed through bolts, the inner wall of the bottom of the power box 2 is fixed with a pneumatic box 20 through a bolt, the inner wall of one side of the pneumatic box 20 is slidably connected with a horizontally arranged piston plate 19, the outer wall of the top of the piston plate 19 is fixed with a vertically arranged transmission rod through a bolt, and the outer wall of the top of the transmission rod and the bottom of the second connecting rod 18 forms a rotary connection, pneumatic box 20 top outer wall one side is fixed with gas-supply pipe 14 through the bolt, and gas-supply pipe 14 one end is linked together with sleeve 10, and vibrations frame 12 one side outer wall is fixed with the spliced pole through the bolt, and 16 one side outer walls of first connecting rod and spliced pole one side outer wall constitution rotation connection, and the motor is connect the switch, and the switch has connect the power cord.
The working principle is as follows: when in use, firstly, the adjusting rod 6 is rotated, the sliding block 13 is driven to move up and down through the threads, the tensioning roller 7 is driven to move in the moving process of the sliding block 13, the area of the screen surface of the screen 8 is reduced or increased, further, the tightness degree of the screen 8 is adjusted, sufficient buffering is provided when materials fall on the screen 8, the service life of the screen 8 is prolonged, then the materials to be screened are input through the feed hopper 5, the materials enter the feeding box 3 through the hose 4, the switch of the motor is switched on, the motor drives the elliptical disks 15 to rotate, the synchronous rotation of the two elliptical disks 15 is realized through the transmission belt 17 and the transmission shaft, the two elliptical disks 15 respectively drive the first connecting rod 16 and the second connecting rod 18 to move, the first connecting rod 16 drives the vibrating frame 12 to reciprocate in the horizontal direction through the connecting column, the vibrating screening work is realized, the second connecting rod 18 drives the piston plate 19 to reciprocate up and down through the transmission rod, through pneumatic case 20 and gas-supply pipe 14, realize the atmospheric pressure change in the sleeve 10, and then drive loop bar 11 at horizontal direction reciprocating motion, realize the self-adaptation regulation of vibration frequency and throw material frequency, avoid the manual work to adjust, improve work efficiency, loop bar 11 is in the motion process, drive throw material box 3 and remove, with the even input of material on screen cloth 8 surface, screening efficiency and screening degree have been improved, the material through the screening passes through out hopper 9 output this device at last.
Example 2
Referring to fig. 1-2 and 4, a powder shifter capable of adjusting the tightness of a screen cloth comprises a body 1, the inner walls of the opposite sides of the body 1 are slidably connected with a horizontally arranged vibrating frame 12, the bottoms of the inner walls of the opposite sides of the vibrating frame 12 are respectively provided with a rectangular groove, the inner walls of the tops of the two rectangular grooves are fixed with the same screen cloth 8 through bolts, the inner walls of the opposite sides of one rectangular groove are respectively provided with a sliding groove, the inner walls of one side of the two sliding grooves are respectively slidably connected with a sliding block 13, the outer walls of the opposite sides of the two sliding blocks 13 are rotatably connected with the same tensioning roller 7, the inner wall of the bottom of one sliding groove is rotatably connected with an adjusting component for adjusting the height of the tensioning roller 7, the adjusting component comprises an adjusting rod 6 which is vertically arranged and is rotatably connected with the inner wall of the bottom of the sliding groove, the outer arc wall of the adjusting rod 6 is provided with a screw thread near the sliding groove, the outer wall of the top of the sliding block 13 near the adjusting rod 6 is provided with a screw hole for the adjusting rod 6 to pass through, the outer wall of one side of the machine body 1 is fixedly provided with a power box 2 through bolts, the inner wall of one side of the power box 2 is rotatably connected with two elliptic discs 15 distributed along the height direction of the power box, the outer wall of one side of each elliptic disc 15 is respectively rotatably connected with a first connecting rod 16 and a second connecting rod 18, the outer wall of one side of each elliptic disc 15 is respectively fixedly provided with a transmission shaft through bolts, the arc-shaped outer walls of the two transmission shafts are provided with the same transmission mechanism, the transmission mechanism comprises a gear 21 rotatably connected with the inner wall of one side of the power box 2, the arc-shaped outer walls of the two transmission shafts are respectively provided with teeth, the gear 21 is respectively meshed with the two teeth, the inner wall of one side of the power box 2 is fixedly provided with a motor through bolts, the output shaft of the motor and the outer wall of one side of one of the transmission shafts are fixed through bolts, the inner wall of the opposite side of the machine body 1 above a vibration frame 12 is slidably connected with the same feeding assembly, the feeding assembly comprises a feeding box 3 slidably connected with the inner wall of one side of the machine body 1, the outer wall of the top of the feeding box 3 is fixed with a hose 4 through a bolt, the outer wall of the top of the power box 2 is fixed with a feeding hopper 5 through a bolt, one end of the hose 4 far away from the feeding box 3 and the arc-shaped outer wall of the feeding hopper 5 are fixed through bolts, the outer wall of one side of the machine body 1 far away from the feeding hopper 5 is fixed with a discharging hopper 9 through a bolt, the inner wall of one side of the machine body 1 is fixed with a pneumatic component for driving the feeding component to slide through a bolt, the pneumatic component comprises a sleeve 10 fixed on the inner wall of one side of the machine body 1 through a bolt, a loop bar 11 is inserted into the outer wall of one side of the sleeve 10, the outer wall of one side of the loop bar 11 far away from the sleeve 10 and the outer wall of one side of the feeding box 3 are fixed through bolts, the inner wall of the bottom of the power box 2 is fixed with a pneumatic box 20 through a bolt, the inner wall of one side of the pneumatic box 20 is connected with a horizontally arranged piston plate 19 in a sliding manner, the outer wall of the top of the piston plate 19 is fixed with a vertically arranged transmission rod through a bolt, and the outer wall of the top of the transmission rod and the outer wall of the bottom of the second connecting rod 18 form a rotary connection, an air pipe 14 is fixed on one side of the outer wall of the top of the pneumatic box 20 through a bolt, one end of the air pipe 14 is communicated with the sleeve 10, a connecting column is fixed on the outer wall of one side of the vibration frame 12 through a bolt, the outer wall of one side of the first connecting rod 16 and the outer wall of one side of the connecting column form a rotary connection, the motor is connected with a switch, and the switch is connected with a power line.
The working principle is as follows: when in use, firstly, the adjusting rod 6 is rotated, the sliding block 13 is driven to move up and down through the threads, the tensioning roller 7 is driven to move in the moving process of the sliding block 13, the area of the screen surface of the screen 8 is reduced or increased, further, the tightness degree of the screen 8 is adjusted, sufficient buffering is provided when materials fall on the screen 8, the service life of the screen 8 is prolonged, then the materials to be screened are input through the feed hopper 5, the materials enter the feeding box 3 through the hose 4, the switch of the motor is switched on, the motor drives the elliptical disks 15 to rotate, the synchronous rotation of the two elliptical disks 15 is realized through the teeth and the gears 21 on the two transmission shafts, the two elliptical disks 15 respectively drive the first connecting rod 16 and the second connecting rod 18 to move, the first connecting rod 16 drives the shaking frame 12 to reciprocate in the horizontal direction through the connecting column, the shaking screening work is realized, the second connecting rod 18 drives the piston plate 19 to reciprocate up and down through the transmission rod, through pneumatic case 20 and gas-supply pipe 14, realize the atmospheric pressure change in the sleeve 10, and then drive loop bar 11 at horizontal direction reciprocating motion, realize the self-adaptation regulation of vibration frequency and throw material frequency, avoid the manual work to adjust, improve work efficiency, loop bar 11 is in the motion process, drive throw material box 3 and remove, with the even input of material on screen cloth 8 surface, screening efficiency and screening degree have been improved, the material through the screening passes through out hopper 9 output this device at last.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The powder shifter capable of adjusting the tightness of the screen comprises a shifter body (1) and is characterized in that the inner walls of the opposite sides of the shifter body (1) are connected with a horizontally arranged vibrating frame (12) in a sliding manner, rectangular grooves are formed in the bottoms of the inner walls of the opposite sides of the vibrating frame (12), the inner walls of the tops of the two rectangular grooves are fixed with the same screen (8) through bolts, one of the rectangular grooves is provided with a sliding groove in the inner wall of the opposite side, the inner wall of one side of the sliding groove is connected with a sliding block (13) in a sliding manner, the outer wall of the opposite side of the two sliding blocks (13) is connected with the same tensioning roller (7) in a rotating manner, one of the sliding groove bottom inner walls is connected with an adjusting component for adjusting the height of the tensioning roller (7) in a rotating manner, a power box (2) is fixed on the outer wall of one side of the shifter body (1) through bolts, and two elliptical disks (15) distributed along the height direction of the power box (2) are connected in a rotating manner, two oval dish (15) one side outer wall rotates respectively and is connected with first connecting rod (16) and second connecting rod (18), two oval dish (15) one side outer wall all has the transmission shaft, two through the bolt fastening transmission shaft arc outer wall is provided with same drive mechanism, organism (1) opposite side inner wall is in vibrations frame (12) top sliding connection has same the material subassembly of throwing, organism (1) one side inner wall has the drive to throw the gliding pneumatic component of material subassembly through the bolt fastening, vibrations frame (12) one side outer wall has the spliced pole through the bolt fastening, and first connecting rod (16) one side outer wall and spliced pole one side outer wall constitution rotate the connection.
2. The powder shifter with the adjustable screen tightness as claimed in claim 1, wherein the adjusting assembly comprises an adjusting rod (6) which is rotatably connected to the inner wall of the bottom of the sliding groove and is vertically arranged, the adjusting rod (6) penetrates through the outer wall of the top of the vibrating frame (12), the arc-shaped outer wall of the adjusting rod (6) is provided with a thread near the sliding groove, and the outer wall of the top of the sliding block (13) near the adjusting rod (6) is provided with a threaded hole for the adjusting rod (6) to penetrate through.
3. The powder shifter with the adjustable screen tightness according to claim 2, characterized in that the feeding assembly comprises a feeding box (3) which is slidably connected to the inner wall of one side of the machine body (1), a hose (4) is fixed on the outer wall of the top of the feeding box (3) through a bolt, a feeding hopper (5) is fixed on the outer wall of the top of the power box (2) through a bolt, one end, away from the feeding box (3), of the hose (4) and the arc-shaped outer wall of the feeding hopper (5) are fixed through bolts, and a discharging hopper (9) is fixed on the outer wall of one side, away from the feeding hopper (5), of the machine body (1).
4. A powder shifter with adjustable screen tightness according to claim 3, the pneumatic assembly comprises a sleeve (10) fixed on the inner wall of one side of the machine body (1) through a bolt, a loop bar (11) is inserted on the outer wall of one side of the sleeve (10), the outer wall of one side of the loop bar (11) far away from the sleeve (10) and the outer wall of one side of the feeding box (3) are fixed by bolts, a pneumatic box (20) is fixed on the inner wall of the bottom of the power box (2) through bolts, a horizontally arranged piston plate (19) is connected on the inner wall of one side of the pneumatic box (20) in a sliding manner, a vertically arranged transmission rod is fixed on the outer wall of the top of the piston plate (19) through a bolt, and the outer wall of the top of the transmission rod is rotationally connected with the outer wall of the bottom of the second connecting rod (18), an air pipe (14) is fixed on one side of the outer wall of the top of the pneumatic box (20) through a bolt, and one end of the air pipe (14) is communicated with the sleeve (10).
5. The powder shifter with the adjustable screen tightness as claimed in claim 4, wherein the transmission mechanism comprises a transmission belt (17) sleeved on the arc-shaped outer walls of the two transmission shafts, a motor is fixed on the inner wall of one side of the power box (2) through a bolt, and an output shaft of the motor and the outer wall of one side of one of the transmission shafts are fixed through a bolt.
6. The powder shifter with the adjustable screen tightness according to claim 4, characterized in that the transmission mechanism comprises a gear (21) rotatably connected to an inner wall of one side of the power box (2), the two transmission shafts are provided with teeth on arc-shaped outer walls, the gear (21) is meshed with the two teeth respectively, a motor is fixed to the inner wall of one side of the power box (2) through a bolt, and an output shaft of the motor is fixed to the outer wall of one side of one of the transmission shafts through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121631994.9U CN215940553U (en) | 2021-07-19 | 2021-07-19 | Powder shifter with adjustable tightness of screen mesh |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121631994.9U CN215940553U (en) | 2021-07-19 | 2021-07-19 | Powder shifter with adjustable tightness of screen mesh |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215940553U true CN215940553U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121631994.9U Active CN215940553U (en) | 2021-07-19 | 2021-07-19 | Powder shifter with adjustable tightness of screen mesh |
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| Country | Link |
|---|---|
| CN (1) | CN215940553U (en) |
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2021
- 2021-07-19 CN CN202121631994.9U patent/CN215940553U/en active Active
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