CN114345546A - Screw screening device - Google Patents
Screw screening device Download PDFInfo
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- CN114345546A CN114345546A CN202210009490.6A CN202210009490A CN114345546A CN 114345546 A CN114345546 A CN 114345546A CN 202210009490 A CN202210009490 A CN 202210009490A CN 114345546 A CN114345546 A CN 114345546A
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- ejection
- compact
- screening
- end cover
- feeding
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Abstract
The invention discloses a screw screening device, which comprises a screening cylinder, a feeding guide end cover, a discharging guide end cover, a mesh cylinder, electromagnets and a controller, wherein the feeding guide end cover and the discharging guide end cover are respectively arranged at the upper end and the lower end of the screening cylinder, the inner feeding guide material channel and the inner discharging guide material channel are respectively communicated with a central screening channel, one ends of the feeding guide material channel and the discharging guide material channel, which are close to the central screening channel, are respectively provided with a feeding hook and a discharging hook, the mesh cylinder is positioned in the central screening channel, the upper end and the lower end of the mesh cylinder are respectively hooked with the feeding hook and the discharging hook, a scrap storage cavity communicated with a gap between the inner wall of the central screening channel and the mesh cylinder is arranged in the discharging guide end cover, the outer wall of the discharging guide end cover is provided with an opening communicated with the scrap storage cavity and the outside, a plurality of the electromagnets are sequentially arranged in the screening cylinder from top to bottom and are arranged around the central screening channel, the debris can be attracted away from the exterior of the bolt by magnetic force.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of screws, in particular to the technical field of screw screening devices.
[ background of the invention ]
The screw is a tool for fastening the parts of the object step by utilizing the physics and mathematical principles of the inclined circular rotation and friction of the object. During the production process of the screw, a certain amount of scraps inevitably adhere to the surface of the screw. At present, people shake off the scraps stuck on the surface of the screw through a vibrating bed. However, the top end of the screw rod of the screw is relatively sharp, so that the surface of other surrounding bolts is easily scratched in the vibration process, and the nail tip of the screw rod is also abraded, so that the quality of a product is reduced, and a solution is needed.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a screw screening device which can adsorb and separate scraps from the outside of a bolt by using magnetic force, avoid the problems of scratching and abrasion of the bolt in the mutual extrusion process and ensure the product quality.
In order to achieve the purpose, the invention provides a screw screening device which comprises a screening cylinder, a feeding guide end cover, a discharging guide end cover, a net cylinder, an electromagnet and a controller, wherein a central screening channel vertically penetrating through a top surface and a bottom surface is arranged in the screening cylinder, the feeding guide end cover and the discharging guide end cover are respectively arranged at the upper end and the lower end of the screening cylinder, a feeding guide material channel and a discharging guide material channel inside the feeding guide end cover and the discharging guide end cover are respectively communicated with the central screening channel, one ends of the feeding guide material channel and the discharging guide material channel, which are close to the central screening channel, are respectively provided with a feeding hook and a discharging hook, the net cylinder is positioned in the central screening channel, the upper end and the lower end of the net cylinder are respectively hooked with the feeding hook and the discharging hook, a scrap storage cavity communicated with a gap between the inner wall of the central screening channel and the net cylinder is arranged in the discharging guide end cover, and an opening communicated with the scrap storage cavity and the outside is arranged on the outer wall of the discharging guide end cover, the electromagnets are sequentially installed in the screening cylinder from top to bottom and arranged around the central screening channel, and the controller is electrically connected with the electromagnets respectively.
Preferably, the inner wall of the central screening channel is provided with an annular groove, and the annular groove penetrates through the bottom surface of the screening cylinder downwards and is communicated with the scrap storage cavity.
As preferred, the upper and lower both ends of sieve feed cylinder are equipped with respectively and encircle last screw thread annular and lower screw thread annular that central authorities screened the passageway setting, the main part of feeding direction end cover is the tube-shape and the outside level in bottom extends and forms feeding annular protruding wall, the outer vertical extension of following again of feeding annular protruding wall forms the feeding screw thread annular wall with last screw thread annular looks adaptation, the main part of ejection of compact direction end cover is the tube-shape and the outside level in top extends and forms ejection of compact annular protruding wall, the outer vertical extension that makes progress again of the outer edge of ejection of compact annular protruding wall forms the ejection of compact screw thread annular wall with lower screw thread annular looks adaptation.
Preferably, the connection part of the main body of the discharging guide end cover and the discharging annular convex wall extends upwards to form an outer cylinder, the discharging hook is positioned at the top end of the outer cylinder, and the outer cylinder, the discharging annular convex wall, the discharging threaded annular wall and the screening cylinder are surrounded together to form a chip storage cavity.
Preferably, the outer cylinder extends upwardly into the central screening channel.
Preferably, the scrap collecting device further comprises a scrap collecting assembly, the scrap collecting assembly comprises a hose and an air pump, a pipe body connector is arranged at the opening, one end of the hose is connected with the pipe body connector in an inserting mode, the other end of the hose is installed at an air exhaust pipe of the air pump, and the controller is electrically connected with the scrap collecting assembly.
Preferably, the air pump is detachably provided with a mesh bag on the exhaust pipe.
Preferably, the material guide device further comprises an electromagnetic valve, the electromagnetic valve is installed at the bottom end of the material guide channel, and the controller is electrically connected with the electromagnetic valve.
The invention has the beneficial effects that: according to the invention, the feeding guide end cover and the discharging guide end cover are respectively arranged at the upper end and the lower end of the screening cylinder, the net cylinder is arranged in the central screening channel of the screening cylinder, and the electromagnets are sequentially arranged outside the net cylinder from top to bottom, so that debris can be adsorbed and separated from the outside of the bolt by using magnetic force during the bolt vertically passes through the central screening channel, the problems of scratching and abrasion of the bolt in the mutual extrusion process are avoided, and the product quality is ensured; the inner wall of the central screening channel is provided with the annular groove, and the discharge guide end cover is also provided with the chip storage cavity, so that the single temporary storage amount of chips is effectively increased; through the arrangement of the scrap sucking assembly, on one hand, the scraps in the scrap storage cavity can be sucked away, on the other hand, the scraps can be stripped from the outside of the bolt by using airflow to assist magnetic force, and the screening effect of the scraps is enhanced; the net barrel is hooked with the feeding hook and the discharging hook, so that the net barrel is convenient to clean.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a screw screening apparatus of the present invention with the chip suction assembly removed;
FIG. 2 is a front cross-sectional view of a screw screening apparatus of the present invention with the chip suction assembly and solenoid valve removed;
FIG. 3 is a schematic view of the assembly of the screen cartridge and electromagnet of a screw screening apparatus of the present invention;
FIG. 4 is a front cross-sectional view of a feed guide end cap of a screw screening apparatus of the present invention;
figure 5 is a front cross-sectional view of a discharge guide end cap of a screw screening apparatus of the present invention.
In the figure: 1-a screening cylinder, 11-a central screening channel, 12-an annular groove, 13-an upper thread ring groove, 14-a lower thread ring groove, 2-a feeding guide end cover, 21-a feeding guide material channel, 22-a feeding hook, 23-a feeding thread ring wall, 3-a discharging guide end cover, 31-a discharging guide material channel, 32-a discharging hook, 33-a discharging thread ring wall, 34-a chip storage cavity, 35-an opening, 36-an outer cylinder body, 37-a pipe body joint, 4-a net cylinder, 5-an electromagnet and 6-an electromagnetic valve.
[ detailed description ] embodiments
Referring to fig. 1 to 5, the screw screening device of the present invention includes a screen cylinder 1, a feeding guide end cap 2, a discharging guide end cap 3, a mesh cylinder 4, an electromagnet 5 and a controller, wherein a central screening channel 11 vertically penetrating through a top surface and a bottom surface is arranged in the screen cylinder 1, the feeding guide end cap 2 and the discharging guide end cap 3 are respectively installed at upper and lower ends of the screen cylinder 1, and an inner feeding guide channel 21 and an inner discharging guide channel 31 are respectively communicated with the central screening channel 11, one ends of the feeding guide channel 21 and the discharging guide channel 31 close to the central screening channel 11 are respectively provided with a feeding hook 22 and a discharging hook 32, the mesh cylinder 4 is located in the central screening channel 11, and upper and lower ends of the mesh cylinder are respectively hooked with the feeding hook 22 and the discharging hook 32, a scrap storage cavity 34 communicated with a gap between an inner wall of the central screening channel 11 and the mesh cylinder 4 is arranged in the discharging guide end cap 3, be equipped with intercommunication storage bits chamber 34 and external opening 35 on the outer wall of ejection of compact direction end cover 3, a plurality of electro-magnet 5 is from last to installing in proper order down among sieve feed cylinder 1 and surrounding central screening passageway 11 setting, the controller is connected with each electro-magnet 5 electricity respectively.
An annular groove 12 is arranged on the inner wall of the central screening channel 11, and the annular groove 12 downwards penetrates through the bottom surface of the screening cylinder 1 and is communicated with the scrap storage cavity 34.
The upper and lower both ends of sieve feed cylinder 1 are equipped with respectively and encircle last screw thread annular 13 and lower screw thread annular 14 that central authorities screened passageway 11 set up, the main part of feeding direction end cover 2 is the tube-shape and the outside level in bottom extends and forms the protruding wall of feeding annular, the outer vertical extension downwards again of the outer edge of the protruding wall of feeding annular forms the feeding screw thread rampart 23 with last screw thread annular 13 looks adaptation, the main part of ejection of compact direction end cover 3 is the tube-shape and the outside level in top extends and forms the protruding wall of ejection of compact annular, the outer vertical extension that makes progress again of the outer edge of the protruding wall of ejection of compact annular forms the ejection of compact screw thread rampart 33 with lower screw thread annular 14 looks adaptation.
The main body of ejection of compact direction end cover 3 extends upwards with the junction of ejection of compact annular convex wall and forms outer barrel 36, ejection of compact hook 32 is located the top of outer barrel 36, ejection of compact annular convex wall, ejection of compact screw thread rampart 33 and sieve feed cylinder 1 enclose jointly and form storage bits chamber 34.
The outer cylinder 36 extends upwardly into the central screening channel 11.
The scrap suction device is characterized by further comprising a scrap suction assembly, the scrap suction assembly comprises a hose and an air pump, a pipe connector 37 is arranged at the opening 35, one end of the hose is connected with the pipe connector 37 in an inserting mode, the other end of the hose is installed at an air exhaust pipe of the air pump, and the controller is electrically connected with the scrap suction assembly.
The air pump is also detachably provided with a mesh bag on the exhaust pipe.
Still include solenoid valve 6, solenoid valve 6 is installed in the bottom of ejection of compact direction material way 31, the controller is connected with solenoid valve 6 electricity.
The working process of the invention is as follows:
first, the screen cylinder 4 is placed in the central screening passage 11, and the upper and lower ends of the screen cylinder 4 are respectively hooked to the feeding hook 22 and the discharging hook 32. Then, the feeding screw thread annular wall 23 of the feeding guide end cover 2 is screwed into the upper screw thread annular groove 13 of the screen cylinder 1, and the discharging screw thread annular wall 33 of the discharging guide end cover 3 is screwed into the lower screw thread annular groove 14 of the screen cylinder 1. Subsequently, the bolts to be screened of the chips are fed one by one into the feed guide channel 21 of the feed guide head cover 2 by means of a vibrating pan. During the downward movement of the bolt along the material guide channel 21 into the central screening channel 11, the electromagnet 5 is energized to attract the chips away from the bolt surface with a relatively small magnetic force, through the screen cylinder 4 and against the walls of the annular recess 12. The screw bolt continues to move downwards under the action of gravity until the screw bolt leaves along the discharge guide channel 31 of the discharge guide end cover 3. After a period of operation, the vibrating pan is closed, the bolt feed is stopped, and the solenoid valve 6 is caused to close the outlet of the discharge guide chute 31. Subsequently, the electromagnet 5 is de-energized, so that the chips located in the annular recess 12 fall into the chip storage chamber 34. Thereafter, the air pump may be activated again to draw debris from the debris chamber 34 into the mesh bag for temporary storage. In addition, the air pump can also be activated simultaneously during bolt feeding, using a slight air flow to assist the debris in leaving the outer surface of the bolt.
According to the invention, the feeding guide end cover and the discharging guide end cover are respectively arranged at the upper end and the lower end of the screening cylinder, the net cylinder is arranged in the central screening channel of the screening cylinder, and the electromagnets are sequentially arranged outside the net cylinder from top to bottom, so that debris can be adsorbed and separated from the outside of the bolt by using magnetic force during the bolt vertically passes through the central screening channel, the problems of scratching and abrasion of the bolt in the mutual extrusion process are avoided, and the product quality is ensured; the inner wall of the central screening channel is provided with the annular groove, and the discharge guide end cover is also provided with the chip storage cavity, so that the single temporary storage amount of chips is effectively increased; through the arrangement of the scrap sucking assembly, on one hand, the scraps in the scrap storage cavity can be sucked away, on the other hand, the scraps can be stripped from the outside of the bolt by using airflow to assist magnetic force, and the screening effect of the scraps is enhanced; the net barrel is hooked with the feeding hook and the discharging hook, so that the net barrel is convenient to clean.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a screw sieving mechanism which characterized in that: including sieve feed cylinder (1), feeding direction end cover (2), ejection of compact direction end cover (3), a net section of thick bamboo (4), electro-magnet (5) and controller, be equipped with vertical central screening passageway (11) that runs through top surface and bottom surface in sieve feed cylinder (1), feeding direction end cover (2) and ejection of compact direction end cover (3) are installed respectively at the upper and lower both ends of sieve feed cylinder (1) and inside feeding direction material way (21) and ejection of compact direction material way (31) are linked together with central screening passageway (11) respectively, feeding direction material way (21) and ejection of compact direction material way (31) are close to the one end of central screening passageway (11) and are equipped with feeding hook (22) and ejection of compact hook (32) respectively, a net section of thick bamboo (4) are located and are linked together with feeding hook (22) and ejection of compact hook (32) respectively among central screening passageway (11) and upper and lower both ends, be equipped with and be located the inner wall and the net section of thick bamboo (4) between central screening passageway (11) of thick bamboo in ejection of compact direction end cover (3), discharging direction end cover (3) is equipped with and is located central screening passageway (11) and net section of thick bamboo (4) that the inner wall and is linked together Store up bits chamber (34) that the clearance is linked together, be equipped with on the outer wall of ejection of compact direction end cover (3) and communicate and store up bits chamber (34) and external opening (35), a plurality of electromagnet (5) are from last to installing in proper order down among sieve feed cylinder (1) and around central screening passageway (11) setting, the controller is connected with each electromagnet (5) electricity respectively.
2. A screw screening apparatus according to claim 1, wherein: the inner wall of the central screening channel (11) is provided with an annular groove (12), and the annular groove (12) downwards penetrates through the bottom surface of the screening cylinder (1) and is communicated with the scrap storage cavity (34).
3. A screw screening apparatus according to claim 1, wherein: the upper and lower both ends of sieve feed cylinder (1) are equipped with respectively and encircle last screw thread annular groove (13) and lower screw thread annular groove (14) that central authorities screening passageway (11) set up, the main part of feeding direction end cover (2) is the tube-shape and the outside level in bottom extends and forms feeding annular convex wall, the outer vertical extension of following again of feeding annular convex wall forms feeding screw thread annular wall (23) with last screw thread annular groove (13) looks adaptation, the main part of ejection of compact direction end cover (3) is the tube-shape and the outside level in top extends and forms ejection of compact annular convex wall, the outer vertical extension of going up again of outer edge of ejection of compact annular convex wall forms ejection of compact screw thread annular wall (33) with lower screw thread annular groove (14) looks adaptation.
4. A screw screening apparatus according to claim 3, wherein: the main part of ejection of compact direction end cover (3) upwards extends with the junction of ejection of compact annular convex wall and forms outer barrel (36), ejection of compact hook (32) are located the top of outer barrel (36), ejection of compact annular convex wall, ejection of compact screw thread rampart (33) and sieve feed cylinder (1) enclose jointly and form storage bits chamber (34).
5. A screw screening apparatus according to claim 4, wherein: the outer cylinder (36) extends upwards into the central screening channel (11).
6. A screw screening apparatus according to any one of claims 1 to 5, wherein: the scrap suction device is characterized by further comprising a scrap suction assembly, the scrap suction assembly comprises a hose and an air pump, a pipe body connector (37) is arranged at the opening (35), one end of the hose is connected with the pipe body connector (37) in an inserting mode, the other end of the hose is installed at an air exhaust pipe of the air pump, and the controller is electrically connected with the scrap suction assembly.
7. A screw screening apparatus according to claim 6, wherein: the air pump is also detachably provided with a mesh bag on the exhaust pipe.
8. A screw screening apparatus according to claim 6, wherein: still include solenoid valve (6), solenoid valve (6) are installed in the bottom of ejection of compact direction material way (31), the controller is connected with solenoid valve (6) electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210009490.6A CN114345546A (en) | 2022-01-06 | 2022-01-06 | Screw screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210009490.6A CN114345546A (en) | 2022-01-06 | 2022-01-06 | Screw screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114345546A true CN114345546A (en) | 2022-04-15 |
Family
ID=81107634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210009490.6A Pending CN114345546A (en) | 2022-01-06 | 2022-01-06 | Screw screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114345546A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09187673A (en) * | 1995-10-30 | 1997-07-22 | Mitsubishi Heavy Ind Ltd | Magnetic separator |
| CN201959863U (en) * | 2011-01-29 | 2011-09-07 | 刘治家 | High-purity iron flavor powder multi-stage desilicification and refinement device |
| RU2010150182A (en) * | 2010-12-07 | 2012-06-20 | Андрей Афоньевич Лозин (UA) | METHOD FOR MAGNETIC SEPARATION OF FINE DISPERSION LOW-MAGNETIC BULK PRODUCTS AND A MAGNETIC SEPARATOR FOR ITS IMPLEMENTATION |
| DE102011003825A1 (en) * | 2011-02-09 | 2012-08-09 | Siemens Aktiengesellschaft | Device for separating ferromagnetic particles from a suspension |
| CN203842689U (en) * | 2014-04-23 | 2014-09-24 | 国家电网公司 | Device for electromagnetically separating and recycling scrap iron |
| CN105597918A (en) * | 2014-11-25 | 2016-05-25 | 天津市爱德恒业科技发展有限公司 | Pipeline type magnetic metal removing apparatus |
| CN206965917U (en) * | 2017-09-21 | 2018-02-06 | 立昌科技（赣州）有限公司 | A kind of fluorocarbon powder paint production inspection row's metallic foreign body device |
| US20190160402A1 (en) * | 2017-11-27 | 2019-05-30 | Universal Filtration (Shanghai) Co., Ltd. | Fully automatic magnetic filter |
| CN111659532A (en) * | 2020-06-16 | 2020-09-15 | 太原理工大学 | High-gradient magnetic separation device and process for separating gasified fine slag carbon ash |
| CN214021935U (en) * | 2020-11-29 | 2021-08-24 | 贵州福公子食品有限公司 | Bitter buckwheat tea vibration magnetism sieve separator |
-
2022
- 2022-01-06 CN CN202210009490.6A patent/CN114345546A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09187673A (en) * | 1995-10-30 | 1997-07-22 | Mitsubishi Heavy Ind Ltd | Magnetic separator |
| RU2010150182A (en) * | 2010-12-07 | 2012-06-20 | Андрей Афоньевич Лозин (UA) | METHOD FOR MAGNETIC SEPARATION OF FINE DISPERSION LOW-MAGNETIC BULK PRODUCTS AND A MAGNETIC SEPARATOR FOR ITS IMPLEMENTATION |
| CN201959863U (en) * | 2011-01-29 | 2011-09-07 | 刘治家 | High-purity iron flavor powder multi-stage desilicification and refinement device |
| DE102011003825A1 (en) * | 2011-02-09 | 2012-08-09 | Siemens Aktiengesellschaft | Device for separating ferromagnetic particles from a suspension |
| CN203842689U (en) * | 2014-04-23 | 2014-09-24 | 国家电网公司 | Device for electromagnetically separating and recycling scrap iron |
| CN105597918A (en) * | 2014-11-25 | 2016-05-25 | 天津市爱德恒业科技发展有限公司 | Pipeline type magnetic metal removing apparatus |
| CN206965917U (en) * | 2017-09-21 | 2018-02-06 | 立昌科技（赣州）有限公司 | A kind of fluorocarbon powder paint production inspection row's metallic foreign body device |
| US20190160402A1 (en) * | 2017-11-27 | 2019-05-30 | Universal Filtration (Shanghai) Co., Ltd. | Fully automatic magnetic filter |
| CN111659532A (en) * | 2020-06-16 | 2020-09-15 | 太原理工大学 | High-gradient magnetic separation device and process for separating gasified fine slag carbon ash |
| CN214021935U (en) * | 2020-11-29 | 2021-08-24 | 贵州福公子食品有限公司 | Bitter buckwheat tea vibration magnetism sieve separator |
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