CN204057040U - The accurate feed screw mechanism of particle - Google Patents
The accurate feed screw mechanism of particle Download PDFInfo
- Publication number
- CN204057040U CN204057040U CN201420099469.0U CN201420099469U CN204057040U CN 204057040 U CN204057040 U CN 204057040U CN 201420099469 U CN201420099469 U CN 201420099469U CN 204057040 U CN204057040 U CN 204057040U
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- China
- Prior art keywords
- machine barrel
- screw
- screw rod
- particle
- machine
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- Expired - Fee Related
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Abstract
The utility model relates to device for transporting objects, in particular to the accurate feed screw mechanism of a kind of particle, comprise screw rod, machine barrel and jacket casing, machine barrel is provided with feed arrangement and feed opening, it is characterized in that screw rod is placed in machine barrel inside, and fixed by the registration device at machine barrel two ends; The crest of screw flight and the distance of machine tube inner wall be screw flight 11 height 1/3 to 2 times between.The utility model has the advantage of and the registration device of screw rod by machine barrel two ends is fixed, the crest of screw flight and machine tube inner wall have certain distance, make some crest beyond screw flight of material, avoiding material is stuck in screw thread, what material can be prepared in time drops, and improves the accuracy rate of feeding.
Description
Technical field
The utility model relates to device for transporting objects, particularly the accurate feed screw mechanism of a kind of particle.
Background technology
The range of use of material conveying screw rod mechanism is extremely extensive, and screw rod relies on thread turns by a-circle-by-a-circle for material forward impelling, and inner in order to ensure that material does not remain in feeding spiro rod machine, the screw thread of existing feeding spiro rod is generally all close to machine tube inner wall.But this structure is when conveying particulate material, and particulate material usually can be stuck in screw thread and cause transfer, postpones lowering time and even cannot fall, the serious precision that have impact on feeding.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of particle accurate feed screw mechanism.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
The accurate feed screw mechanism of particle, comprises screw rod, machine barrel and jacket casing, machine barrel is provided with feed arrangement and feed opening, it is characterized in that screw rod is placed in machine barrel inside, and is fixed by the registration device at machine barrel two ends; The crest of screw flight and machine tube inner wall have certain distance, and distance size determines according to the size and shape of convey materials, generally speaking, the crest of screw flight to the distance of machine tube inner wall between 1/3 to 2 times of screw flight height.
Further, machine tube inner wall is provided with several and walks hopper, described in walk hopper along machine tube inner wall radial direction extend.Because machine tube inner wall is comparatively smooth, material usually can follow screw rod to rotate and not forward impelling in course of conveying, and reduce the precision of feeding, walking hopper can prevent material from following screw rod to rotate, thus makes mass transport evenly, improves feeding levels of precision.Preferably, machine tube inner wall is provided with 1-3 and walks hopper.Walk the degree of depth of hopper and width to determine to the distance of machine tube inner wall according to the crest of the volume of material, shape and screw thread.
Preferably, machine barrel external diameter is between 40-60mm, and cylinder bore is 16-30mm, and the external diameter of screw rod is 10-25mm, and wherein screw body diameter is 8-18mm, and height of screw thread is 2-7mm.
The utility model has the advantage of and the registration device of screw rod by machine barrel two ends is fixed, the crest of screw flight and machine tube inner wall have certain distance, make some crest beyond screw flight of material, avoiding material is stuck in screw thread, what material can be prepared in time drops, and improves the accuracy rate of feeding.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model detailed description of the invention.
Fig. 2 is that the A-A of the utility model detailed description of the invention is to cutaway view.
Fig. 3 is the structural representation of the screw rod of the utility model detailed description of the invention.
Fig. 4 is the partial enlarged drawing of the screw rod of the utility model detailed description of the invention.
1. screw rod; 11. screw flights; 2. machine barrel; 21. feed arrangements; 22. feed openings; 23. registration devices; 24. walk hopper; 3. jacket casing.
Detailed description of the invention
Fig. 1 is the structural representation of the utility model detailed description of the invention, and this device is the accurate feed screw mechanism of Masterbatch, and Masterbatch is elliposoidal, and most strong point is 3.5mm, and most weakness is 1.5mm; Or be cylinder, height is 3.5mm, and diameter is 1.5mm.The accurate feed screw mechanism of Masterbatch comprises screw rod 1, machine barrel 2 and jacket casing 3, machine barrel 2 is provided with feed arrangement 21 and feed opening 22, and feed arrangement 21 can be inlet point, also can peripheral hardware feeder hopper; It is inner that screw rod 1 is placed in machine barrel 2, and fixed by the registration device 23 at machine barrel 2 two ends, and registration device 23 is the bearing matched with screw rod 1 two ends; The crest of screw flight 11 and machine barrel 2 inwall distance 2mm, the diameter of screw body is 10mm, and the height of screw flight 11 is 2mm, and pitch is 4mm; Machine barrel external diameter is 50mm, and internal diameter is 20mm.Feed screw device is made up of 304 corrosion-resistant steels.
Fig. 2 be the A-A of the utility model detailed description of the invention to cutaway view, as shown in the figure, machine barrel 2 inwall is provided with two and relative walks hopper 24, the width walking hopper 24 is 5mm, and the degree of depth is 1mm.The two ends of screw rod 1 are connected with actuating device.
More than display only describes principal character of the present utility model and main points.Those skilled in the art should understand, and the utility model is not restricted to the described embodiments.Under the prerequisite not departing from inventive point and protection domain, the utility model also has various change, and these changes and improvements all will fall in the claimed scope of the utility model.
Claims (4)
1. the accurate feed screw mechanism of particle, comprise screw rod (1), machine barrel (2) and jacket casing (3), described machine barrel (2) is provided with feed arrangement (21) and feed opening (22), it is characterized in that described screw rod (1) is placed in machine barrel (2) inner, and fixed by the registration device (23) at machine barrel (2) two ends; The crest of screw flight (11) and the distance of machine barrel (2) inwall be screw flight (11) height 1/3 to 2 times between.
2. the accurate feed screw mechanism of particle as claimed in claim 1, is characterized in that described machine barrel (2) inwall is provided with several and walks hopper (24).
3. the accurate feed screw mechanism of particle as claimed in claim 2, the quantity walking hopper (24) described in it is characterized in that is 1-3.
4. the accurate feed screw mechanism of the particle as described in any one of claim 1-3, it is characterized in that described machine barrel (2) external diameter is between 40-60mm, machine barrel (2) internal diameter is 16-30mm, the external diameter of screw rod (1) is 10-25mm, wherein screw body diameter is 8-18mm, and screw flight (11) is highly 2-7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420099469.0U CN204057040U (en) | 2014-03-05 | 2014-03-05 | The accurate feed screw mechanism of particle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420099469.0U CN204057040U (en) | 2014-03-05 | 2014-03-05 | The accurate feed screw mechanism of particle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204057040U true CN204057040U (en) | 2014-12-31 |
Family
ID=52198597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420099469.0U Expired - Fee Related CN204057040U (en) | 2014-03-05 | 2014-03-05 | The accurate feed screw mechanism of particle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204057040U (en) |
-
2014
- 2014-03-05 CN CN201420099469.0U patent/CN204057040U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20170305 |