CN218477970U - Double-screw micro-scale - Google Patents
Double-screw micro-scale Download PDFInfo
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- CN218477970U CN218477970U CN202223000283.9U CN202223000283U CN218477970U CN 218477970 U CN218477970 U CN 218477970U CN 202223000283 U CN202223000283 U CN 202223000283U CN 218477970 U CN218477970 U CN 218477970U
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Abstract
The application discloses twin-screw micro-scale relates to weigher technical field, improves when weighing the poor material of mobility, and the material is attached to on the inner wall of hopper easily, influences the problem of unloading efficiency easily, including weighing base, hopper and feed cylinder, two parallel arrangement's conveyor screw are installed to the feed cylinder internal rotation, the top fixed mounting of hopper has first motor, the output fixedly connected with pivot of first motor, the upper end of pivot is rotated with the interior roof of hopper and is connected, the equal fixed mounting in both sides of pivot lower extreme has a plurality of stirring leaves, the one end fixedly connected with arc scraper blade of pivot is kept away from to the stirring leaf, the top that the pivot surface is located the stirring leaf is provided with scrapes the frame. This application can strike off adnexed material on the hopper inner wall through arc scraper blade and the setting of scraping the frame, reduces the material of attaching to on the hopper inner wall, improves unloading efficiency.
Description
Technical Field
The application relates to the field of metering scales, in particular to a double-screw micro-scale.
Background
The screw conveying type weighing scale is used for measuring and outputting materials and generally comprises a hopper with a feeding hole, a charging barrel communicated with the bottom of the hopper and a weighing base arranged at the bottom of the hopper.
The prior Chinese patent with the publication number of CN207923250U discloses a miniature double-screw weightlessness type weighing scale, which comprises a hopper, a charging barrel, a first screw, a second screw, a rotating motor, a fixed seat, a base and a weighing sensor, wherein the charging barrel is communicated with the hopper, the rotating motor is arranged on one side of the hopper, which is far away from the charging barrel, the first screw and the second screw are both rotationally arranged in the charging barrel and penetrate through the bottom of the hopper to be connected with the output end of the rotating motor, the first screw and the second screw are meshed, the fixed seat sleeve is connected between the bottom of the hopper and the top of the base, and the weighing sensor is arranged on the base.
In view of the above-mentioned related art, the inventors found that at least the following problems exist in the art: when weighing the poor material of mobility, the material is attached to on the inside wall of hopper easily, influences unloading efficiency easily.
SUMMERY OF THE UTILITY MODEL
In order to improve when weighing the poor material of mobility, the material is attached to on the inside wall of hopper easily, influences the problem of unloading efficiency easily, this application provides twin-screw micro-scale.
The application provides a twin-screw micro-scale adopts following technical scheme:
the double-screw micro-scale comprises a weighing base and a hopper arranged on the weighing base, wherein a charging barrel is arranged at the bottom of the hopper, two conveying screws which are arranged in parallel are rotatably arranged in the charging barrel, and a driving piece for driving the conveying screws to rotate is arranged at one end of the charging barrel;
the top fixed mounting of hopper has first motor, the output fixedly connected with pivot of first motor, the upper end of pivot is rotated with the interior roof of hopper and is connected, the equal fixed mounting in both sides of pivot lower extreme has a plurality of stirring leaves, the one end fixedly connected with arc scraper blade of pivot is kept away from to the stirring leaf, the top that the pivot surface is located the stirring leaf is provided with scrapes the frame.
By adopting the technical scheme, when the material scraping device is used, the first motor can be started to drive the rotating shaft to rotate, so that the rotating shaft drives the stirring blades to stir materials in the hopper, and meanwhile, the stirring blades can drive the arc-shaped scraper blades to rotate along the inner wall of the hopper, so that the arc-shaped scraper blades scrape the materials attached to the inner wall of the hopper, and the materials attached to the inner wall of the hopper are reduced; when the pivot rotated, scrape the length direction motion that the frame can follow the pivot, made and scrape the frame and strike off adnexed material on with the hopper inner wall, further reduced the material of attached to on the hopper inner wall, improved unloading efficiency.
Optionally, a feed inlet is opened at one side of the top of the hopper, and the hopper is positioned in the feed inlet and is hinged with a cover plate.
Through adopting above-mentioned technical scheme, in the material got into the hopper from the feed inlet, the apron can cover the feed inlet.
Optionally, the driving member includes a second motor installed at one end of the barrel, a sprocket installed at one end of the conveying screw, and a chain for linking the two sprockets, and an output end of the second motor is fixedly connected with one of the sprockets.
By adopting the technical scheme, the second motor can be started to drive one of the chain wheels to rotate, so that the chain wheel drives the other chain wheel to rotate through the chain, and the chain wheel drives the conveying screw to rotate.
Optionally, the first motor and the second motor are both servo motors.
By adopting the technical scheme, the rotating speeds of the first motor and the second motor can be randomly converted, so that the stirring and conveying speed can be conveniently controlled.
Optionally, a reciprocating screw rod is arranged above the stirring blade of the rotating shaft.
Through adopting above-mentioned technical scheme, make and scrape frame reciprocating motion.
Optionally, the scraping frame includes a screw sleeve sleeved on the reciprocating screw rod through a thread, a scraping ring contacting the inner wall of the hopper, and a connecting rod fixedly connected between the screw sleeve and the scraping ring.
Through adopting above-mentioned technical scheme, when the pivot rotated, the length direction reciprocating motion of reciprocating lead screw can be followed to the silk cover, made the silk cover pass through the connecting rod and drive scraping ring along hopper inner wall vertical motion.
Optionally, both ends of the reciprocating screw rod are fixedly connected with limiting blocks.
By adopting the technical scheme, the stroke of the screw sleeve can be limited by the limiting block, so that the screw sleeve can be kept to move on the reciprocating screw rod.
Optionally, the inner side wall of the hopper is fixedly provided with a slide bar, and the outer circumference of the scraping ring is provided with a sliding groove matched with the slide bar.
Through adopting above-mentioned technical scheme, through the cooperation of draw runner and spout, can play the guide effect to scraping the ring.
In summary, the present application has the following beneficial effects:
1. according to the feeding device, the first motor can be started to drive the rotating shaft to rotate through the arrangement of the first motor, the rotating shaft, the stirring blades and the arc-shaped scraper, so that the rotating shaft drives the stirring blades to stir materials in the hopper, meanwhile, the stirring blades can drive the arc-shaped scraper to rotate along the inner wall of the hopper, the arc-shaped scraper can scrape the materials attached to the inner wall of the hopper, and the materials attached to the inner wall of the hopper are reduced;
2. this application is through reciprocal lead screw and the setting of scraping the frame, and when the pivot rotated, the length direction reciprocating motion of reciprocal lead screw can be followed to the silk braid, made the silk braid drive the scraping ring through the connecting rod along hopper inner wall vertical motion, made the scraping ring strike off adnexed material on with the hopper inner wall, further reduced the material of attaching on the hopper inner wall, improved unloading efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is a schematic sectional front view of the hopper according to the present application.
Fig. 3 is a schematic top sectional view of a cartridge of the present application.
Fig. 4 is a schematic top view of the scraping frame of the present application.
Description of the reference numerals:
1. a weighing base; 2. a hopper; 3. a charging barrel; 4. a conveying screw; 5. a drive member; 51. a second motor; 52. a sprocket; 53. a chain; 6. a first motor; 7. a rotating shaft; 71. a reciprocating screw; 72. a limiting block; 8. stirring blades; 9. an arc-shaped scraper plate; 10. a scraping frame; 101. sleeving the silk; 102. scraping rings; 103. a connecting rod; 104. a chute; 11. a cover plate; 12. and (4) a slide bar.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
Referring to fig. 1-3, the twin-screw micro-scale comprises a weighing base 1 and a hopper 2 installed on the weighing base 1, wherein a feed inlet is formed in one side of the top of the hopper 2, materials enter the hopper 2 from the feed inlet, the hopper 2 is positioned in the feed inlet, a cover plate 11 is hinged to the inner side of the feed inlet, and the cover plate 11 can cover the feed inlet. The feed cylinder 3 is installed to the bottom of hopper 2, and two parallel arrangement's conveyor screw 4 are installed to 3 internal rotations in feed cylinder, and the one end of feed cylinder 3 is installed and is used for driving conveyor screw 4 pivoted driving piece 5, and when carrying the material, can start driving piece 5 and drive two conveyor screw 4 and rotate, makes conveyor screw 4 carry the material in the feed cylinder 3.
The driving member 5 includes a second motor 51 mounted at one end of the barrel 3, a chain wheel 52 mounted at one end of the conveying screw 4, and a chain 53 for linking the two chain wheels 52, and an output end of the second motor 51 is fixedly connected with one of the chain wheels 52. The second motor 51 can be started to drive one of the chain wheels 52 to rotate, so that the chain wheel 52 drives the other chain wheel 52 to rotate through the chain 53, and the chain wheel 52 drives the conveying screw rod 4 to rotate. The second motor 51 is a servo motor, so that the rotating speed of the second motor 51 can be randomly switched, and the material conveying is convenient to control.
Referring to fig. 2, the top fixed mounting of hopper 2 has first motor 6, and the output fixedly connected with pivot 7 of first motor 6, the upper end of pivot 7 and the interior roof of hopper 2 rotate to be connected, and the equal fixed mounting in both sides of pivot 7 lower extreme has a plurality of stirring leaves 8, and the one end fixedly connected with arc scraper blade 9 of pivot 7 is kept away from to stirring leaf 8, and the top that the pivot 7 surface lies in stirring leaf 8 is provided with scrapes the frame 10. The first motor 6 is a servo motor, so that the rotating speed of the first motor 6 can be randomly converted, and the stirring speed is convenient to control.
When using, can start first motor 6 and drive pivot 7 and rotate, make pivot 7 drive stirring leaf 8 stir the material in hopper 2, stir leaf 8 simultaneously and can drive arc scraper blade 9 and rotate along 2 inner walls of hopper, make arc scraper blade 9 strike off adnexed material on with 2 inner walls of hopper, reduce the material of attaching on 2 inner walls of hopper.
Referring to fig. 2 and 4, the rotating shaft 7 is located above the stirring blade 8 and is fixedly connected with a reciprocating lead screw 71, the reciprocating lead screw 71 and the rotating shaft 7 are of an integral structure, the scraping frame 10 comprises a screw sleeve 101 in threaded sleeve connection with the reciprocating lead screw 71, a scraping ring 102 in contact with the inner wall of the hopper 2 and a connecting rod 103 fixedly connected between the screw sleeve 101 and the scraping ring 102, when the rotating shaft 7 rotates, the screw sleeve 101 can reciprocate along the length direction of the reciprocating lead screw 71, so that the screw sleeve 101 drives the scraping ring 102 to vertically move along the inner wall of the hopper 2 through the connecting rod 103, the scraping ring 102 scrapes off materials attached to the inner wall of the hopper 2, the materials attached to the inner wall of the hopper 2 are further reduced, and the blanking efficiency is improved.
The two ends of the reciprocating screw 71 are fixedly connected with the limiting blocks 72, and the limiting blocks 72 can limit the stroke of the screw sleeve 101, so that the screw sleeve 101 can be kept on the reciprocating screw 71 to move.
Referring to fig. 2 and 4, the inner side wall of the hopper 2 is fixedly provided with a slide bar 12, the outer circumference of the scraping ring 102 is provided with a sliding groove 104 matched with the slide bar 12, and the scraping ring 102 can be guided by the matching of the slide bar 12 and the sliding groove 104.
The implementation principle of the application is as follows: when the material scraping device is used, the first motor 6 can be started to drive the rotating shaft 7 to rotate, so that the rotating shaft 7 drives the stirring blades 8 to stir materials in the hopper 2, meanwhile, the stirring blades 8 can drive the arc-shaped scraping plates 9 to rotate along the inner wall of the hopper 2, the arc-shaped scraping plates 9 scrape the materials attached to the inner wall of the hopper 2, and the materials attached to the inner wall of the hopper 2 are reduced; when the rotating shaft 7 rotates, the screw sleeve 101 can reciprocate along the length direction of the reciprocating screw rod 71, so that the screw sleeve 101 drives the scraping ring 102 to vertically move along the inner wall of the hopper 2 through the connecting rod 103, the scraping ring 102 scrapes off attached materials on the inner wall of the hopper 2, the materials attached to the inner wall of the hopper 2 are further reduced, and the blanking efficiency is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. Twin-screw micro-scale is including weighing base (1) and installing hopper (2) on weighing base (1), its characterized in that: a charging barrel (3) is mounted at the bottom of the hopper (2), two conveying screws (4) which are arranged in parallel are rotatably mounted in the charging barrel (3), and a driving piece (5) for driving the conveying screws (4) to rotate is mounted at one end of the charging barrel (3);
the utility model discloses a stirring machine, including hopper (2), top fixed mounting of hopper (2) has first motor (6), the output fixedly connected with pivot (7) of first motor (6), the upper end of pivot (7) rotates with the interior roof of hopper (2) to be connected, the equal fixed mounting in both sides of pivot (7) lower extreme has a plurality of stirring leaves (8), the one end fixedly connected with arc scraper blade (9) of pivot (7) are kept away from in stirring leaf (8), the top that pivot (7) surface is located stirring leaf (8) is provided with scrapes frame (10).
2. The twin screw microbalance of claim 1, wherein: the feed inlet has been seted up to one side at hopper (2) top, hopper (2) are located that articulated in the feed inlet have apron (11).
3. The twin screw micro-scale of claim 1, wherein: the driving piece (5) comprises a second motor (51) installed at one end of the charging barrel (3), chain wheels (52) installed at one end of the conveying screw rod (4) and a chain (53) used for linking the two chain wheels (52), and the output end of the second motor (51) is fixedly connected with one of the chain wheels (52).
4. The twin screw micro-scale of claim 3, wherein: the first motor (6) and the second motor (51) are both servo motors.
5. The twin screw micro-scale of claim 1, wherein: and a reciprocating screw rod (71) is arranged above the stirring blade (8) of the rotating shaft (7).
6. The twin screw micro-scale of claim 5, wherein: the scraping frame (10) comprises a screw sleeve (101) which is sleeved on the reciprocating lead screw (71) in a threaded manner, a scraping ring (102) which is contacted with the inner wall of the hopper (2), and a connecting rod (103) which is fixedly connected between the screw sleeve (101) and the scraping ring (102).
7. The twin screw micro-scale of claim 6, wherein: and both ends of the reciprocating screw rod (71) are fixedly connected with limit blocks (72).
8. The twin screw microbalance of claim 6, wherein: the inner side wall of the hopper (2) is fixedly provided with a slide bar (12), and the outer circumference of the scraping ring (102) is provided with a sliding groove (104) matched with the slide bar (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223000283.9U CN218477970U (en) | 2022-11-10 | 2022-11-10 | Double-screw micro-scale |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223000283.9U CN218477970U (en) | 2022-11-10 | 2022-11-10 | Double-screw micro-scale |
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| Publication Number | Publication Date |
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| CN218477970U true CN218477970U (en) | 2023-02-14 |
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| CN202223000283.9U Active CN218477970U (en) | 2022-11-10 | 2022-11-10 | Double-screw micro-scale |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117484831A (en) * | 2023-12-28 | 2024-02-02 | 天津市中环天佳电子有限公司 | Extruder for toner production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117484831A (en) * | 2023-12-28 | 2024-02-02 | 天津市中环天佳电子有限公司 | Extruder for toner production |
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