CN211891897U - Barrel screw assembly easy to clean - Google Patents
Barrel screw assembly easy to clean Download PDFInfo
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- CN211891897U CN211891897U CN202020453417.4U CN202020453417U CN211891897U CN 211891897 U CN211891897 U CN 211891897U CN 202020453417 U CN202020453417 U CN 202020453417U CN 211891897 U CN211891897 U CN 211891897U
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Abstract
The utility model provides an easily clear up barrel screw assembly belongs to screw rod technical field. The utility model discloses a barrel and screw rod, the screw rod includes the fixed head from the right side to a left side in proper order, the feeding section, compression section and mixed section, the barrel includes first cylinder, lower semicircle tube, the guide passageway, interior spiral groove and pan feeding mouth, a side of first cylinder and a side of lower semicircle tube pass through the articulated shaft articulated together, link together can be dismantled to two other sides, the guide passageway is formed by the interior arc wall of first cylinder and the interior arc wall of lower semicircle tube from top to bottom amalgamation, interior spiral groove includes first helicla flute and second helicla flute, first helicla flute sets up on the interior arc wall of last semicircle tube, second helicla flute sets up under on the interior arc wall of semicircle tube, lower helicla flute and first helicla flute feed through from top to bottom form interior spiral groove, the pan feeding mouth sets up on last semicircle tube. The utility model discloses can improve the mixing effect of material, still be convenient for clear up the attachment of barrel inner wall.
Description
Technical Field
The utility model belongs to the technical field of the screw rod, a barrel screw rod subassembly of easily clearing up is related to.
Background
Screws are used in plastic molding equipment such as plastic profile extruders, injection molding machines, and the like. The screw and the cylinder are core components of the plastic molding equipment, are parts for heating, extruding and plasticizing and are the core of the plastic machine.
The screw rotates in the cylinder and is mainly used for conveying, compacting, melting and plasticizing solid plastic particles or plastic powder into a molten state. At present, the existing screw has poor shearing and melting effects on raw materials and additives, so that the raw materials and the additives cannot be fully mixed and melted in a material pipe, the poor mixing performance of the screw cannot ensure that the raw materials and the additives are uniformly mixed, and the quality of a finished product is influenced.
In addition, the attachment of barrel inner wall needs regularly to be cleared up, avoids mixing with new material, and current barrel formula barrel as an organic whole barrel can only stretch into the barrel inner wall from the port and clear up it, and the clearance effect is not good enough.
Disclosure of Invention
The utility model aims at having the above-mentioned problem to current technique, provide an easily clear up barrel screw assembly, can improve the mixing effect of material, conveniently clear up the barrel inner wall.
The purpose of the utility model can be realized by the following technical proposal:
an easily clearance barrel screw assembly, includes barrel and screw rod, the screw rod includes fixed head, feeding section, compression section and mixing section from right to left in proper order, the barrel includes:
the device comprises an upper semi-cylinder and a lower semi-cylinder, wherein one side edge of the upper semi-cylinder is hinged with one side edge of the lower semi-cylinder through a hinge shaft, and the other two side edges are detachably connected together;
the material guide channel is formed by vertically splicing an inner arc wall of the upper semi-cylinder and an inner arc wall of the lower semi-cylinder, and the cross section of the material guide channel is circular;
the inner spiral groove is arranged on the side wall of the material guide channel and is provided with: the upper half spiral groove is arranged on the inner circular arc wall of the upper half cylinder; the lower half spiral groove is arranged on the inner arc wall of the lower half cylinder, and the lower half spiral groove and the upper half spiral groove are communicated up and down to form an inner spiral groove;
the feeding port is arranged on the upper half cylinder and communicated with the material guide channel.
In foretell barrel screw assembly who easily clears up, the left end face of first semi-cylinder is equipped with the first blind hole of a plurality of, the degree of depth of first blind hole is unanimous with the length direction of barrel, be equipped with first electric heating wire in the first blind hole, be equipped with first battery on the first semi-cylinder, first battery and first electric heating wire electricity are connected.
In foretell barrel screw assembly who easily clears up, the left end face of semicircle tube is equipped with a plurality of second blind hole down, the degree of depth of second blind hole is unanimous with the length direction of barrel, be equipped with second electric heating wire in the second blind hole, be equipped with the second battery down on the semicircle tube, second battery and second electric heating wire electricity are connected.
In the easily cleaned barrel screw assembly, the inner walls of the upper half spiral groove and the lower half spiral groove are respectively provided with a plurality of salient points.
In foretell barrel screw assembly who easily clears up, the feed section includes the first body of rod, the right-hand member of the first body of rod is coaxial to be linked firmly at the left end of fixed head, the outside of the first body of rod is around having first screw thread.
In foretell barrel screw assembly of easily clearing up, the compression section includes the second body of rod, the right-hand member of the second body of rod is coaxial to be linked firmly at the left end of the first body of rod, the size of the right-hand member cross section of the second body of rod is unanimous with the size of first body of rod cross section, the outside of the second body of rod is around having the second screw thread, second screw thread and first screw thread link to each other, the size of second body of rod cross section is crescent from the right side to a left side.
In foretell barrel screw assembly of easily clearing up, the mixing section includes the third body of rod, the right-hand member of the third body of rod is coaxial to be linked firmly at the left end of the second body of rod, the size of the left end cross section of the second body of rod is unanimous with the size of third body of rod cross section, the outside of the third body of rod is around having the third screw thread, third screw thread and second screw thread link to each other.
In the above easily cleaned barrel screw assembly, a fourth thread is further wound around the outside of the third rod body, two ends of the fourth thread intersect with two ends of the third thread, and the distance from the top of the fourth thread to the axis of the third rod body is smaller than the distance from the top of the third thread to the axis of the third rod body.
In one of the above easy-to-clean barrel screw assemblies, the outside of the fixing head is provided with a threaded groove.
Compared with the prior art, the utility model has the advantages of it is following:
1. the upper half cylinder and the lower half cylinder are spliced and fixed together to form a machine barrel, a screw is inserted into a material guide channel of the machine barrel, the screw is rotated, materials are added from a material inlet, a first electric heating wire and a second electric heating wire are started simultaneously to heat the machine barrel, the materials sequentially pass through a feeding section, a compression section and a mixing section, and an inner spiral groove is formed in the inner side wall of the material guide channel, so that the storage capacity of the materials in the machine barrel is increased, the plasticizing efficiency is improved, the resistance of material movement can be reduced, and the heat productivity of the machine barrel and the screw is reduced; in addition, when the wall attachments remained in the cylinder need to be cleaned, the upper half cylinder and the lower half cylinder are opened, and then the inner arc wall of the upper half cylinder and the inner arc wall of the lower half cylinder are cleaned, so that the machine is simple and practical;
2. because the inner walls of the upper half spiral groove and the lower half spiral groove are provided with the plurality of salient points, when the screw extrudes materials to move in the inner spiral groove, the salient points can polish, extrude and initially crush the materials, and the materials can be more uniformly mixed;
3. the cross section of the second rod body is in a cone shape with a small right and a large left, the size of the cross section of the first rod body on the feeding section is small, the feeding amount is increased, then the material enters the second rod body on the compression section under the extrusion of the first screw thread, and the space between the second rod body and the inner side wall of the material guide channel is gradually reduced, so that the pressure of the screw rod on the material is gradually increased, and the melting efficiency of the material in the compression section is improved;
4. after the materials enter the mixing section, the third screw thread and the fourth screw thread rotate simultaneously to shear and turn over the materials, so that the materials are mixed more uniformly; in addition, because the right end of the fourth screw thread is intersected with the right end of the third screw thread, materials entering the third screw thread are sheared and overturned by the fourth screw thread, and the melting and mixing efficiency of the materials is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic structural view of the lower half cylinder;
fig. 4 is a schematic structural view of the screw.
In the figure, 1, a cylinder; 11. an upper half cylinder; 111. a feeding port; 112. an upper half spiral groove; 113. salient points; 114. a first blind hole; 115. a first electric heating wire; 116. a first storage battery; 12. a lower semi-cylinder; 121. a lower half spiral groove; 122. a second blind hole; 123. a second electric heating wire; 124. a second storage battery; 13. hinging a shaft; 131. a first shaft plate; 132. a second shaft plate; 14. fixing the bolt; 141. a first fixing plate; 142. a second fixing plate; 15. a material guide channel; 2. a screw; 21. a fixed head; 211. a thread groove; 22. a feeding section; 221. a first rod body; 222. a first thread; 23. a compression section; 231. a second rod body; 232. a second thread; 24. a mixing section; 241. a third rod body; 242. a third thread; 243. and a fourth thread.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 4, an easy-to-clean barrel screw assembly comprises a barrel 1 and a screw 2, wherein the screw 2 sequentially comprises a fixed head 21, a feeding section 22, a compression section 23 and a mixing section 24 from right to left, and the barrel 1 comprises an upper half cylinder 11, a lower half cylinder 12, a material guide channel 15, an inner spiral groove and a feeding port 111.
One side of the upper semi-cylinder 11 is fixedly provided with a first shaft plate 131, one side of the lower semi-cylinder 12 is fixedly provided with a second shaft plate 132, the first shaft plate 131 and the second shaft plate 132 are hinged together through a hinge shaft 13, the other side of the upper semi-cylinder 11 is fixedly provided with a first fixing plate 141, the other side of the lower semi-cylinder 12 is fixedly provided with a second fixing plate 142, and the first fixing plate 141 and the second fixing plate 142 are fixedly connected together through a fixing bolt 14.
The material guiding channel 15 is formed by vertically splicing an inner arc wall of the upper semi-cylinder 11 and an inner arc wall of the lower semi-cylinder 12, and the cross section of the material guiding channel 15 is circular.
The inner spiral groove is arranged on the inner side wall of the material guide channel 15, and the inner spiral groove is provided with: an upper half spiral groove 112, wherein the upper half spiral groove 112 is arranged on the inner circular wall of the upper half cylinder 11; and a lower half spiral groove 121, wherein the lower half spiral groove 121 is arranged on the inner arc wall of the lower half cylinder 12, and the lower half spiral groove 121 is communicated with the upper half spiral groove 112 up and down.
Preferably, the inner helical groove is provided on the feed section 22 of the screw 2.
The feeding port 111 is arranged on the upper half cylinder 11, and the feeding port 111 is communicated with the material guide channel 15.
The upper half cylinder 11 and the lower half cylinder 12 are spliced and fixed together to form a machine barrel 1, a screw rod 2 is inserted into a material guide channel 15 of the machine barrel 1, the screw rod 2 is rotated, materials are added from a material inlet 111 and sequentially pass through a feeding section 22, a compression section 23 and a mixing section 24, and because an inner spiral groove is formed in the inner side wall of the material guide channel 15, the storage capacity of the materials in the feeding section 22 is increased, the plasticizing efficiency is improved, the resistance to material movement can be reduced, and therefore the heat productivity of the inner wall of the machine barrel 1 and the heat productivity of the screw rod 2 are reduced; in addition, when the wall attachments remained in the cylinder 1 need to be cleaned, the upper half cylinder 11 and the lower half cylinder 12 are opened, and then the inner arc wall of the upper half cylinder 11 and the inner arc wall of the lower half cylinder 12 are cleaned, so that the machine is simple and practical.
Specifically, the left end surface of the upper half cylinder 11 is provided with a plurality of first blind holes 114, the depth of the first blind holes 114 is consistent with the length direction of the machine barrel 1, a first electric heating wire 115 is arranged in the first blind holes 114, the upper half cylinder 11 is provided with a first storage battery 116, and the first storage battery 116 is electrically connected with the first electric heating wire 115.
The first electric heating wire 115 is started to heat the upper half cylinder 11, the plasticizing speed of the material is improved, and in addition, the first electric heating wire 115 is arranged in the first blind hole 114, so that the first electric heating wire is convenient to disassemble and maintain.
Specifically, the left end surface of the lower semi-cylinder 12 is provided with a plurality of second blind holes 122, the depth of the second blind holes 122 is consistent with the length direction of the machine barrel 1, second electric heating wires 123 are arranged in the second blind holes 122, a second storage battery 124 is arranged on the lower semi-cylinder 12, and the second storage battery 124 is electrically connected with the second electric heating wires 123.
The second electric heating wire 123 is started to heat the lower half cylinder 12, the plasticizing speed of the material is improved, and in addition, the second electric heating wire 123 is arranged in the second blind hole 122, so that the disassembly and the maintenance are convenient.
Specifically, a plurality of protrusions 113 are disposed on the inner walls of the upper spiral groove 112 and the lower spiral groove 121.
Because the inner walls of the upper half spiral groove 112 and the lower half spiral groove 121 are provided with the plurality of salient points 113, when the screw rod 2 extrudes materials to move in the inner spiral groove, the salient points 113 can polish, extrude and initially crush the materials, and the materials can be more uniformly mixed.
Specifically, the feeding section 22 includes a first rod 221, a right end of the first rod 221 is coaxially connected to a left end of the fixing head 21, and a first thread 222 is surrounded on an outer side of the first rod 221.
The material is added into the material guide channel 15 through the material inlet 111, the screw rod 2 rotates to drive the first rod body 221 to rotate, the first threads 222 extrude the material entering the material inlet 111 to move forwards, the material is cut and overturned, and the plasticizing efficiency of the material is improved.
Specifically, the compressing section 23 includes a second rod 231, the right end of the second rod 231 is coaxially and fixedly connected to the left end of the first rod 221, the cross section of the right end of the second rod 231 is the same as the cross section of the first rod 221, a second thread 232 is arranged around the outer side of the second rod 231, the second thread 232 is connected with the first thread 222, and the cross section of the second rod 231 is gradually increased from right to left.
Because the cross section of the second rod body 231 is in a taper shape with a small right and a large left, the cross section of the first rod body 221 on the feeding section 22 is small in size, the feeding amount is increased, then the material enters the second rod body 231 of the compression section 23 under the extrusion of the first screw thread 222, and because the space between the second rod body 231 and the inner side wall of the material guide channel 15 is gradually reduced, the pressure of the screw rod 2 on the material is gradually increased, and the melting efficiency of the material in the compression section 23 is improved.
Specifically, the mixing section 24 includes a third rod 241, a right end of the third rod 241 is coaxially and fixedly connected to a left end of the second rod 231, a cross section of the left end of the second rod 231 is identical to a cross section of the third rod 241, a third thread 242 surrounds an outer side of the third rod 241, and the third thread 242 is connected to the second thread 232.
Because the size of the cross section of the third rod 241 is larger than that of the cross section of the second rod 231, the pressure of the material on the third rod 241 is increased, and the material contained between the third threads 242 is reduced, so that the melting efficiency of the material is improved.
Specifically, a fourth thread 243 is further surrounded on the outer side of the third rod 241, two ends of the fourth thread 243 are intersected with two ends of the third thread 242, and the distance from the thread top of the fourth thread 243 to the axis of the third rod 241 is smaller than the distance from the thread top of the third thread 242 to the axis of the third rod 241.
After the materials enter the mixing section 24, the third screw thread 242 and the fourth screw thread 243 rotate simultaneously to shear and turn the materials, so that the materials are mixed more uniformly; in addition, because the right end of the fourth screw thread 243 is intersected with the right end of the third screw thread 242, the materials entering between the third screw threads 242 are sheared and overturned by the fourth screw thread 243, and the melting and mixing efficiency of the materials is improved.
Specifically, the outer side of the fixing head 21 is provided with a screw groove 211.
In the description of this patent, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing the patent and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered limiting of the patent.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. An easy-to-clean barrel screw assembly, comprising a barrel (1) and a screw (2), characterized in that the screw (2) comprises a fixed head (21), a feeding section (22), a compression section (23) and a mixing section (24) from right to left in turn, the barrel (1) comprises:
the device comprises an upper semi-cylinder (11) and a lower semi-cylinder (12), wherein one side edge of the upper semi-cylinder (11) is hinged with one side edge of the lower semi-cylinder (12) through a hinge shaft (13), and the other two side edges are detachably connected together;
the material guide channel (15), the material guide channel (15) is formed by vertically splicing the inner arc wall of the upper semi-cylinder (11) and the inner arc wall of the lower semi-cylinder (12), and the cross section of the material guide channel (15) is circular;
an inner spiral groove arranged on the inner side wall of the material guide channel (15), the inner spiral groove having: the upper half spiral groove (112), the upper half spiral groove (112) is arranged on the inner circular arc wall of the upper half cylinder (11); the lower half spiral groove (121), the lower half spiral groove (121) is arranged on the inner circular arc wall of the lower half cylinder (12), and the lower half spiral groove (121) is communicated with the upper half spiral groove (112) up and down;
the feeding opening (111) is formed in the upper half cylinder (11), and the feeding opening (111) is communicated with the material guide channel (15).
2. An easy-to-clean barrel screw assembly according to claim 1, wherein the left end face of the upper half cylinder (11) is provided with a plurality of first blind holes (114), the depth of the first blind holes (114) is consistent with the length direction of the barrel (1), a first electric heating wire (115) is arranged in the first blind holes (114), a first accumulator (116) is arranged on the upper half cylinder (11), and the first accumulator (116) is electrically connected with the first electric heating wire (115).
3. An easy-to-clean barrel screw assembly according to claim 2, wherein the left end face of the lower half cylinder (12) is provided with a plurality of second blind holes (122), the depth of the second blind holes (122) is consistent with the length direction of the barrel (1), a second electric heating wire (123) is arranged in the second blind holes (122), a second accumulator (124) is arranged on the lower half cylinder (12), and the second accumulator (124) is electrically connected with the second electric heating wire (123).
4. An easy-to-clean barrel screw assembly according to claim 3, wherein the inner walls of the upper half helical groove (112) and the lower half helical groove (121) are provided with a plurality of raised points (113).
5. An easy-to-clean barrel screw assembly according to claim 4, wherein the feed section (22) comprises a first rod (221), the right end of the first rod (221) is coaxially attached to the left end of the fixed head (21), and the first thread (222) is surrounded on the outer side of the first rod (221).
6. An easy-to-clean barrel screw assembly according to claim 5, wherein said compression section (23) comprises a second rod (231), the right end of said second rod (231) is coaxially connected to the left end of said first rod (221), the cross section of the right end of said second rod (231) has the same size as the cross section of said first rod (221), the outer side of said second rod (231) is surrounded by a second thread (232), said second thread (232) is connected to said first thread (222), and the cross section of said second rod (231) has a size gradually increasing from right to left.
7. An easy-to-clean barrel screw assembly according to claim 6, wherein said mixing section (24) comprises a third rod (241), the right end of said third rod (241) is coaxially connected to the left end of said second rod (231), the cross section of the left end of said second rod (231) has the same size as the cross section of said third rod (241), the outer side of said third rod (241) is surrounded by a third thread (242), and said third thread (242) is connected to said second thread (232).
8. An easy-to-clean barrel screw assembly according to claim 7, wherein said third rod (241) is further surrounded by a fourth thread (243), both ends of said fourth thread (243) intersect both ends of said third thread (242), and the distance from the thread crest of said fourth thread (243) to the axis of said third rod (241) is smaller than the distance from the thread crest of said third thread (242) to the axis of said third rod (241).
9. An easy-to-clean barrel screw assembly according to claim 8, wherein the outside of the fixing head (21) is provided with a threaded groove (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020453417.4U CN211891897U (en) | 2020-03-31 | 2020-03-31 | Barrel screw assembly easy to clean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020453417.4U CN211891897U (en) | 2020-03-31 | 2020-03-31 | Barrel screw assembly easy to clean |
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| Publication Number | Publication Date |
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| CN211891897U true CN211891897U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020453417.4U Active CN211891897U (en) | 2020-03-31 | 2020-03-31 | Barrel screw assembly easy to clean |
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| CN (1) | CN211891897U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112458549A (en) * | 2020-11-16 | 2021-03-09 | 姚厚君 | Spun-bonded non-woven fabric manufacturing process |
| CN114801117A (en) * | 2022-04-11 | 2022-07-29 | 嘉兴易达新材料科技股份有限公司 | Double-end screw for plastic extruder |
-
2020
- 2020-03-31 CN CN202020453417.4U patent/CN211891897U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112458549A (en) * | 2020-11-16 | 2021-03-09 | 姚厚君 | Spun-bonded non-woven fabric manufacturing process |
| CN112458549B (en) * | 2020-11-16 | 2021-08-27 | 佛山市顺德区宝富莱无纺布有限公司 | Spun-bonded non-woven fabric manufacturing process |
| CN114801117A (en) * | 2022-04-11 | 2022-07-29 | 嘉兴易达新材料科技股份有限公司 | Double-end screw for plastic extruder |
| CN114801117B (en) * | 2022-04-11 | 2024-02-13 | 嘉兴易达新材料科技股份有限公司 | Double-end screw rod for plastic extruder |
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