CN218366319U - Screw rod capable of improving mixing effect - Google Patents
Screw rod capable of improving mixing effect Download PDFInfo
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- CN218366319U CN218366319U CN202222704505.9U CN202222704505U CN218366319U CN 218366319 U CN218366319 U CN 218366319U CN 202222704505 U CN202222704505 U CN 202222704505U CN 218366319 U CN218366319 U CN 218366319U
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- thread
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- 238000002156 mixing Methods 0.000 title claims abstract description 131
- 230000000694 effects Effects 0.000 title claims abstract description 24
- 238000009713 electroplating Methods 0.000 claims abstract description 21
- 230000007704 transition Effects 0.000 claims abstract description 15
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 8
- 239000011651 chromium Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000004898 kneading Methods 0.000 claims 9
- 238000007747 plating Methods 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 7
- 239000011295 pitch Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000002372 labelling Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- -1 thread widths Substances 0.000 description 1
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Abstract
The utility model discloses a screw rod for improving mixing effect, which comprises an electroplating section and a non-electroplating section; the electroplating section comprises a mixing section, a transition section, a screw tooth section and an exposed section which are sequentially connected from left to right, and chromium coatings are electroplated on the surfaces of the mixing section, the transition section, the screw tooth section and the exposed section; the mixing section comprises a first mixing edge section and a second mixing edge section which are sequentially arranged from left to right, the first mixing edge section is provided with a plurality of first mixing edges, the second mixing edge section is provided with a plurality of second mixing edges and a plurality of third mixing edges, and the peripheral side surface of the screw tooth section is provided with screw teeth which are distributed in a spiral structure; the non-electroplating section comprises a connecting section and a connecting section which are sequentially connected from left to right, the left end of the connecting section is connected with the right end of the exposed section, and the right end of the exposed section extends out of the right end of the electroplating section; therefore, the mixing device can more thoroughly mix materials and improve the mixing degree and the mixing effect.
Description
Technical Field
The utility model belongs to the technical field of the screw rod technique and specifically relates to indicate a screw rod that improves mixing effect.
Background
At present, a screw is one of the core components of an injection molding machine, and has the functions of conveying, mixing, injecting and the like; along with the improvement of the quality requirement of the injection molding product, the requirement of the screw on the mixing effect of the raw materials is improved; in the prior art, a screw for mixing raw materials is generally provided with only thread threads on the screw to propel and mix the materials through each thread, for example, a screw with good homogenization effect disclosed in chinese publication No. CN214395275U specifically discloses: the screw rod body is provided with a handle section, an initial section, a first homogenizing section, a second homogenizing section, a third homogenizing section and a fourth homogenizing section from right to left in sequence; and, each having a stem; wherein: the outer diameter of the core column of the first homogenizing section is gradually increased from right to left; the outer diameter of the core column of the third homogenizing section is gradually reduced from right to left; the outer diameters of the stems of the second homogenizing section and the fourth homogenizing section are unchanged; the first homogenizing segment has a first screw thread, the second homogenizing segment has a second screw thread, the third homogenizing segment has a third screw thread, and the fourth homogenizing segment has a fourth screw thread; the thread pitch of the first thread is the maximum thread pitch of the first thread, the second thread, the third thread and the fourth thread, the thread pitches of the third thread and the fourth thread are equal, and the thread pitches of the third thread and the fourth thread are smaller than the thread pitch of the second thread, so that materials are pushed and mixed through the threads, although the threads are arranged to push and mix, the threads are limited to different threads, namely different thread pitches, thread widths, lead distances and the like, and basic structures are unchanged.
Therefore, a new technology needs to be developed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to the deficiency of the prior art, and the main objective of the present invention is to provide a screw rod with improved mixing effect, which solves the problem of poor mixing degree and mixing effect of the prior screw rod.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a screw for improving mixing effect comprises an electroplating section and an electroless plating section;
the electroplating section comprises a mixing section, a transition section, a thread section and an exposed section which are sequentially connected from left to right, and chromium coatings are electroplated on the surfaces of the mixing section, the transition section, the thread section and the exposed section; the mixing section comprises a first mixing edge section and a second mixing edge section which are sequentially arranged from left to right, the first mixing edge section is provided with a plurality of first mixing edges, the first mixing edges are arranged in a circumferential extending mode, the first mixing edges are sequentially and uniformly arranged at intervals in the axial direction, a groove is formed between every two adjacent first mixing edges, each first mixing edge is provided with a concave arc groove sequentially and uniformly arranged at intervals in the circumferential direction, the second mixing edge section is provided with a plurality of second mixing edges and a plurality of third mixing edges, the second mixing edges are arranged in an axial oblique extending mode, the third mixing edges are arranged in an axial oblique extending mode, the second mixing edges and the third mixing edges are sequentially and alternately arranged at intervals in the circumferential direction, and oblique grooves extending in the axial oblique direction are formed between every two adjacent second mixing edges and every three mixing edges; the peripheral side surface of the thread section is provided with threads distributed in a spiral structure;
the non-electroplating section comprises a connecting section and a connecting section which are sequentially connected from left to right, the left end of the connecting section is connected with the right end of the exposed section, and the right end of the exposed section extends out of the right end of the electroplating section.
Preferably, the screw thread is a double-screw thread structure and comprises a main thread and a secondary thread, and the lead of the main thread is smaller than that of the secondary thread.
Preferably, the radial height of the third mixing rib is greater than the radial height of the second mixing rib.
Preferably, the left end of the thread extends to the right end of the transition section.
As a preferred scheme, the thread section includes from the right side feeding section, compression section and the ejection of compact section that connects gradually to a left side, the external diameter of compression section is from the right side and is turned left crescent, main tooth arranges on the feeding section, the top an organic whole of main tooth is connected in the left end of exposing the section, vice tooth sets up in the terminal left side of main tooth, the top of vice tooth sets up on the feeding section, the end of vice tooth sets up on ejection of compact section and extends to the right end of changeover portion.
As a preferred scheme, the connection section includes first step portion, first chamfer portion, the second step portion that connects gradually from right side to left side, the left end of second step portion is connected in the right-hand member of linking up the section, the external diameter of second step portion is greater than the external diameter of linking up the section.
As a preferred scheme, the exposed section comprises a second chamfer part, a third step part, a third chamfer part and a fourth step part which are sequentially connected from right to left, the right end of the second chamfer part is connected to the left end of the connecting section, and the starting end of the main tooth is integrally connected to the left end of the fourth step part.
Preferably, the outer diameter of the fourth step portion is larger than the outer diameter of the third step portion, and the outer diameter of the third step portion is larger than the outer diameter of the connecting section.
Preferably, an area for coding and marking is provided on an outer peripheral side wall of the third step portion.
Preferably, the left end face of the mixing section is provided with a threaded hole which extends along the axial direction in a rightward concave mode, and the central line of the threaded hole is overlapped with the axis of the mixing section.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme, it mainly is through the combination design of mixing section, changeover portion, screw tooth section, the section that exposes, makes it possess screw tooth structure and mixing arris structure, thereby makes mixing structure complicated, can mix the material more thoroughly, especially, through the combination design of first mixing arris section, second mixing arris section, make the material can mix through secondary mixing arris structure, so, can improve mixing degree and mixing effect; and the chromium coating is electroplated on the surfaces of the mixing section, the transition section, the thread section and the exposed section, so that the hardness of the screw can be improved, and the service life of the screw can be prolonged.
To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
fig. 2 is an expanded view of a thread segment according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken at M-M of FIG. 1;
FIG. 4 is an enlarged view of a mixing section according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view at F-F of FIG. 4;
fig. 6 is a sectional view at C-C of fig. 4.
The attached drawings indicate the following:
10. electroplating section 20 and non-electroplating section
30. Mixing section 31, first mixing edge section
311. First mixing arris 312 and groove
313. Concave arc groove 32 and second mixing edge section
321. A second mixing edge 322 and a third mixing edge
323. Oblique groove 40, transition section
50. Thread segment 51, main thread
52. Auxiliary teeth 53, feeding section
54. Compression section 55 and discharge section
60. Exposed section 61, second chamfered part
62. Third step 63 and third chamfered part
64. Fourth step part 70, connecting section
80. Connecting segment 81, first step part
82. First chamfered part 83 and second stepped part
101. A threaded bore.
Detailed Description
Fig. 1 to 6 show specific structures of embodiments of the present invention.
A screw rod for improving mixing effect comprises an electroplating section 10 and an non-electroplating section 20; wherein: the electroplating section 10 comprises a mixing section 30, a transition section 40, a thread section 50 and an exposed section 60 which are sequentially connected from left to right, and chromium coatings are electroplated on the surfaces of the mixing section 30, the transition section 40, the thread section 50 and the exposed section 60; thus, the chromium coating is formed on the surface of the electroplating section 10 by electroplating, so that the hardness of the screw can be improved, wherein the thickness of the single surface of the chromium coating is 0.03-0.05mm, and the hardness is not lower than 850HV0.2.
As shown in fig. 3, the left end face of the mixing segment 30 is recessed rightwards with a threaded hole 101 extending along the axial direction, and the central line of the threaded hole 101 is overlapped with the axial line of the mixing segment 30, so that the threaded hole 101 can be conveniently connected and installed with an external structure.
As shown in fig. 4, 5, and 6, in this embodiment, the mixing section 30 includes a first mixing edge section 31 and a second mixing edge section 32 that are sequentially arranged from left to right, the first mixing edge section 31 is provided with a plurality of first mixing edges 311, the first mixing edges 311 are circumferentially extended, the plurality of first mixing edges 311 are axially sequentially and uniformly spaced, a groove 312 is formed between two adjacent first mixing edges 311, the first mixing edges 311 have concave arc grooves 313 that are circumferentially sequentially and uniformly spaced, the second mixing edge section 32 is provided with a plurality of second mixing edges 321 and a plurality of third mixing edges 322, the second mixing edges 321 are axially extended, the third mixing edges 322 are axially extended, the second mixing edges 321 and the third mixing edges 322 are circumferentially alternately spaced, and an inclined groove 323 that is axially extended is formed between two adjacent second mixing edges 321 and third mixing edges 322, so that the structural complexity of the mixing section 30 can be increased to better perform mixing; preferably, the radial height of the third mixing rib 322 is greater than the radial height of the second mixing rib 321. In this way, the combined design of the first mixing rib section 31 and the second mixing rib section 32 enables the raw material to be subjected to secondary mixing, and the mixing degree and the mixing effect can be improved.
As shown in fig. 1 and 2, the outer peripheral surface of the thread segment 50 is provided with threads distributed in a spiral structure; the left end of the thread extends to the right end of the transition section 40. The screw thread is of a double-screw thread structure and comprises a main thread 51 and an auxiliary thread 52, and the lead of the main thread 51 is smaller than that of the auxiliary thread 52. Preferably, the thread section 50 comprises a feeding section 53, a compressing section 54 and a discharging section 55 which are sequentially connected from right to left, and the outer diameter of the compressing section 54 is gradually increased from right to left, so that fluid can smoothly and gradually accumulate momentum to enter the discharging section 55; the main tooth 51 is arranged on the feeding section 53, the initial end of the main tooth 51 is integrally connected to the left end of the exposed section 60, the auxiliary tooth 52 is arranged on the left side of the tail end of the main tooth 51, the initial end of the auxiliary tooth 52 is arranged on the feeding section 53, and the tail end of the auxiliary tooth 52 is arranged on the discharging section 55 and extends to the right end of the transition section 40, so that the screw section 50 is guaranteed to be processed completely.
As shown in fig. 1, the non-electroplating section 20 includes a connection section 70 and a connection section 80 connected in sequence from left to right, the left end of the connection section 70 is connected to the right end of the exposed section 60, and the right end of the exposed section 60 extends out of the right end of the electroplating section 10. The connecting section 80 comprises a first step part 81, a first chamfer part 82 and a second step part 83 which are sequentially connected from right to left, the left end of the second step part 83 is connected with the right end of the connecting section 70, and the outer diameter of the second step part 83 is larger than that of the connecting section 70.
As shown in fig. 1, the exposed section 60 includes a second chamfer 61, a third step 62, a third chamfer 63, and a fourth step 64 connected in sequence from right to left, the right end of the second chamfer 61 is connected to the left end of the connecting section 70, and the start end of the main tooth 51 is integrally connected to the left end of the fourth step 64. The outer diameter of the fourth step part 64 is greater than that of the third step part 62, the outer diameter of the third step part 62 is greater than that of the connecting section 70, and the outer diameter of the third step part 62 is greater than that of the second step part 83, so that the third step part is in a gradually enlarged structure from right to left. In this embodiment, the outer peripheral sidewall of the third step portion 62 is provided with an area for coding and labeling, so that a user can conveniently perform coding and labeling at a designated position, and the coding and labeling positions are prevented from being disordered.
To sum up, the utility model discloses a design focus lies in, it mainly through mixing section, changeover portion, screw tooth section, expose the combination design of section, makes it possess screw tooth structure and mixing arris structure to make the mixing structure complicated, can more thoroughly carry out mixing to the material, especially, through the combination design of first mixing arris section, second mixing arris section, make the material can carry out mixing through secondary mixing arris structure, so, can improve mixing degree and mixing effect; and the chromium coating is electroplated on the surfaces of the mixing section, the transition section, the thread section and the exposed section, so that the hardness of the screw can be improved, and the service life of the screw can be prolonged.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides an improve screw rod of mixed effect which characterized in that: comprises a plating section and a non-plating section;
the electroplating section comprises a mixing section, a transition section, a screw thread section and an exposed section which are sequentially connected from left to right, and chromium coatings are electroplated on the surfaces of the mixing section, the transition section, the screw thread section and the exposed section; the mixing section comprises a first mixing edge section and a second mixing edge section which are sequentially arranged from left to right, the first mixing edge section is provided with a plurality of first mixing edges, the first mixing edges are arranged in a circumferential extending mode, the first mixing edges are sequentially and uniformly arranged at intervals in the axial direction, a groove is formed between every two adjacent first mixing edges, each first mixing edge is provided with a concave arc groove sequentially and uniformly arranged at intervals in the circumferential direction, the second mixing edge section is provided with a plurality of second mixing edges and a plurality of third mixing edges, the second mixing edges are arranged in an axial oblique extending mode, the third mixing edges are arranged in an axial oblique extending mode, the second mixing edges and the third mixing edges are sequentially and alternately arranged at intervals in the circumferential direction, and oblique grooves extending in the axial oblique direction are formed between every two adjacent second mixing edges and every three mixing edges; the peripheral side surface of the thread section is provided with threads distributed in a spiral structure;
the non-electroplating section comprises a connecting section and a connecting section which are sequentially connected from left to right, the left end of the connecting section is connected with the right end of the exposed section, and the right end of the exposed section extends out of the right end of the electroplating section.
2. The screw for improving kneading effect according to claim 1, wherein: the screw thread is of a double-screw-thread structure and comprises a main thread and an auxiliary thread, and the lead of the main thread is smaller than that of the auxiliary thread.
3. The screw for improving kneading effect according to claim 1, wherein: the radial height of the third mixing rib is greater than the radial height of the second mixing rib.
4. The screw for improving kneading effect according to claim 1, wherein: the left end of the screw thread extends to the right end of the transition section.
5. A kneading effect improving screw according to claim 2, wherein: the screw thread section includes from the right side feeding section, compression section and the ejection of compact section that connects gradually to a left side, the external diameter of compression section is from the right side and is turned left side crescent, main tooth arranges on the feeding section, the top an organic whole of main tooth connects in the left end of exposing the section, vice tooth sets up in the terminal left side of main tooth, the top of vice tooth sets up on the feeding section, the end of vice tooth sets up on the ejection of compact section and extends to the right end of changeover portion.
6. The screw for improving kneading effect according to claim 1, wherein: the linkage segment includes from the right side to left first step portion, first chamfer portion, the second step portion that connects gradually, the left end of second step portion is connected in the right-hand member that links up the section, the external diameter of second step portion is greater than the external diameter that links up the section.
7. A kneading effect improving screw according to claim 5, characterized in that: expose the section including turn left second chamfer, third step portion, third chamfer, the fourth step portion that connects gradually from the right side, the right-hand member of second chamfer is connected in the left end that links up the section, the top body coupling in the left end of fourth step portion of leading tooth.
8. The screw for improving kneading effect according to claim 7, wherein: the outer diameter of the fourth step part is larger than that of the third step part, and the outer diameter of the third step part is larger than that of the connecting section.
9. The screw for improving kneading effect according to claim 7, wherein: and an area for coding and marking is arranged on the peripheral side wall of the third step part.
10. The screw for improving kneading effect according to claim 1, wherein: the left end face of the mixing section is provided with a threaded hole which extends along the axial direction in a rightward concave mode, and the central line of the threaded hole is overlapped with the axis of the mixing section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222704505.9U CN218366319U (en) | 2022-10-14 | 2022-10-14 | Screw rod capable of improving mixing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222704505.9U CN218366319U (en) | 2022-10-14 | 2022-10-14 | Screw rod capable of improving mixing effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218366319U true CN218366319U (en) | 2023-01-24 |
Family
ID=84928990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222704505.9U Active CN218366319U (en) | 2022-10-14 | 2022-10-14 | Screw rod capable of improving mixing effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218366319U (en) |
-
2022
- 2022-10-14 CN CN202222704505.9U patent/CN218366319U/en active Active
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