CN219276561U - Feeding screw - Google Patents
Feeding screw Download PDFInfo
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- CN219276561U CN219276561U CN202223575990.0U CN202223575990U CN219276561U CN 219276561 U CN219276561 U CN 219276561U CN 202223575990 U CN202223575990 U CN 202223575990U CN 219276561 U CN219276561 U CN 219276561U
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- cooling
- hole
- annular groove
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a feeding screw, which is arranged on injection molding equipment through a base, wherein a through hole is formed in the center of the base, bearings are arranged at two ends of the through hole, the feeding screw is rotatably arranged in the through hole through the bearings, a first annular groove extending to the outer wall of the base is arranged in the through hole, and the first annular groove surrounds the inner wall of the through hole; a water guide hole communicated with the first annular groove from the outer wall of the base is arranged on the base; the feed screw comprises a main body and a cooling part; above-mentioned structure is through setting up cooling portion in the inside of feed screw rod for the cooling water can flow in the inside of feed screw rod, thereby can play timely cooling down at the feed screw rod during operation, prevents that the feed screw rod from overheated.
Description
Technical Field
The utility model relates to the technical field of injection molding, in particular to a feed screw.
Background
Rubber injection molding is a production method that rubber is heated by an injection machine and then is injected into a closed mold from a machine barrel under the action of pressure, and is vulcanized under pressure to form a product.
The screw rod needs to be cooled when extruding materials, the screw rod is mainly used for ensuring smooth production, preventing the materials from being decomposed due to overhigh plasticizing temperature, and the homogenizing section of the screw rod is cooled down, because the section of molten material is subjected to larger extrusion, friction and shearing actions, more heat is generated, the temperature rise is faster, the temperature is cooled down only when the materials are prevented from being decomposed, the homogenizing section of the traditional rubber injection molding machine is cooled down in an outer sleeve type cooling mode, the cooling effect on the screw rod and the materials is not obvious, and the action efficiency is slow.
Disclosure of Invention
The utility model aims to provide a feeding screw, through which flowing cooling water flows in the feeding screw to cool, so that the cooling efficiency is high.
In order to achieve the above purpose, a feeding screw is arranged on injection molding equipment through a base, a through hole is formed in the center of the base, bearings are arranged at two ends of the through hole, the feeding screw is rotatably arranged in the through hole through the bearings, a first annular groove extending to the outer wall of the base is arranged in the through hole, and the first annular groove surrounds the inner wall of the through hole; a water guide hole communicated with the first annular groove from the outer wall of the base is arranged on the base; the feeding screw comprises a main body and a cooling part, wherein a cooling hole is formed in the main body and is arranged along the length direction of the main body, a water inlet hole penetrating through the first annular groove is formed in the cooling hole, the cooling part is arranged in the cooling hole, the cooling part comprises a cooling conveying pipe and a cooling connecting pipe, the cooling connecting pipe is positioned at the rear end of the main body, one end of the cooling conveying pipe is in threaded connection with the cooling connecting pipe, the other end of the cooling conveying pipe extends to the front end of the feeding screw, and the cooling conveying pipe extends to the front end of the main body; cooling water holes are formed in the cooling connecting pipe and the cooling conveying pipe along the length direction of the cooling connecting pipe and the cooling conveying pipe; the outer wall of one end of the cooling connecting pipe, which is connected with the cooling conveying pipe, is provided with a limiting part, the limiting part is tightly connected with the cooling hole through threads, and the cooling water hole penetrates through the other end of the cooling conveying pipe and is communicated with the cooling hole.
The cooling hole forms a flow hole between one end of the limiting part, which is close to the cooling connecting pipe, and the cooling connecting pipe is provided with a flow channel which is communicated with the flow hole and the cooling water hole; and a reflow hole is formed between one end of the limiting part, which is close to the cooling conveying pipe, and the cooling conveying pipe.
The feeding screw is provided with a backflow channel at one end of the backflow hole, the backflow channel is communicated with the cooling water hole, a second annular groove is further arranged in the through hole, the second annular groove surrounds the inner wall of the through hole, the backflow channel and the second annular groove are correspondingly arranged, a backflow water guide hole communicated with the second annular groove from the outer wall of the base is further formed in the base, and the backflow water guide hole and the water guide hole are connected with the water tank.
Above-mentioned structure, through set up cooling portion in the inside of feed screw, thereby cooling water can flow in the inside of feed screw, thereby can play timely cooling when feed screw work, prevent that the feed screw from overheated, in the water tank enters into first ring channel through the water guide hole when needs are cooled, water that is located first ring channel can flow into the flow hole through the inlet opening, cooling water enters into the cooling water downthehole from the flow channel again, thereby, the front end of feed screw can flow to through the cooling water hole, then flow to the reflow hole through the cooling water hole, finally flow out the second ring channel through the reflow channel, flow back to the water tank from the reflow water guide hole again, thereby realize cooling water circulation, when the cooling water flows at the reflow hole, cooling water can flow cooling to the inner wall of feed screw, and cool down through flowing in the inside of feed screw, and owing to set up first ring channel and second ring channel, when feed screw rotates, both the inlet opening rotates in first and second ring channel, thereby, the feed screw can not normally influence cooling water flow at the same time, can not influence cooling water circulation efficiency at the high-efficient cooling screw.
Further, a first sealing ring is arranged between the first annular groove and the second annular groove. Through setting up first sealing washer for the cooling water in first ring channel and the second ring channel can not cross flow each other, guarantee the cooling water normal clear circulation flow from this.
Further, a second sealing ring is arranged between the first annular groove and the bearing at one end of the through hole and between the second annular groove and the bearing at the other end of the through hole. Through setting up the second sealing washer for thereby cooling water can not overflow outside the base influences injection molding equipment's structure.
Further, pressing plates are arranged on the bases at two ends of the through hole, and the pressing plates are connected with the bearing in a pressing mode. The bearing can be fixed through the pressing plate to prevent loosening.
Further, a water adhesive tape is arranged between the limiting part and the cooling hole. Through setting up the water proof fabric can be better seal between spacing portion and the cooling hole, prevent the cooling water series flow.
Drawings
Fig. 1 is a partial cross-sectional view of a feed screw of the present utility model.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is an enlarged view at B in fig. 2.
Fig. 4 is an enlarged view at C in fig. 1.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1 to 4, a feed screw 1 is provided on an injection molding apparatus, which in this embodiment is prior art and will not be described here. A through hole 21 is arranged in the center of the base 2, bearings 22 are arranged at two ends of the through hole 21, the feed screw 1 is rotatably arranged in the through hole 21 through the bearings 22, a first annular groove 3 extending towards the outer wall of the base 2 is arranged in the through hole 21, and the first annular groove 3 surrounds the inner wall of the through hole 21; a water guide hole 41 communicated with the first annular groove 3 from the outer wall of the base 2 is arranged on the base 2; the feeding screw 1 comprises a main body 11 and a cooling part 12, wherein a cooling hole 42 arranged along the length direction of the main body 11 is arranged in the main body 11, a water inlet hole 43 penetrating to the first annular groove 3 is arranged in the cooling hole 42, the cooling part 12 comprises a cooling conveying pipe 13 and a cooling connecting pipe 14, the cooling connecting pipe 14 is positioned at the rear end of the main body 11, one end of the cooling conveying pipe 13 is connected with the cooling connecting pipe 14 through threads, the other end of the cooling conveying pipe 13 extends to the front end of the feeding screw 1, and the cooling conveying pipe 13 extends to the front end of the main body 11; cooling water holes 44 are formed in the cooling connecting pipe 14 and the cooling conveying pipe 13 along the length direction of the cooling connecting pipe 14 and the cooling conveying pipe 13; the outer wall of one end of the cooling connecting pipe 14 connected with the cooling conveying pipe 13 is provided with a limiting part 15, the limiting part 15 is tightly connected with a cooling hole 42 through threads, and a cooling water hole 44 penetrates through the other end of the cooling conveying pipe 13 and is communicated with the cooling hole 42.
The cooling hole 42 forms a flow hole 421 between the end of the limit part 15 near the cooling connecting pipe 14 and the cooling connecting pipe 14, and a flow channel 141 for communicating the flow hole 421 with the cooling water hole 44 is provided on the cooling connecting pipe 14; the cooling hole 42 forms a reflow hole 422 between the end of the limiting portion 15 near the cooling duct 13 and the cooling duct 13.
The feeding screw 1 is provided with a backflow channel 45 at one end of the backflow hole 422, the backflow channel 45 is communicated with the cooling water hole 44, a second annular groove 4 is further arranged in the through hole 21, the second annular groove 4 surrounds the inner wall of the through hole 21, the backflow channel 45 is arranged corresponding to the second annular groove 4, the base 2 is further provided with a backflow water guide hole 46 communicated with the second annular groove 4 from the outer wall of the base 2, and the backflow water guide hole 46 and the water guide hole 41 are connected with a water tank (not shown in the figure).
Above-mentioned structure, through set up cooling portion 12 in the inside of feed screw 1, make the cooling water can flow in the inside of feed screw 1, thereby can play timely cooling down at feed screw 1 during operation, prevent feed screw 1 overheat, when needs are cooled off, the water tank is with the cooling water through water guide hole 41 entering into first ring channel 3, the water that is located first ring channel 3 can flow into flow hole 421 through inlet opening 43, the cooling water enters into cooling water hole 44 from flow channel 141 again, from this, the cooling water can flow to the front end of feed screw 1 through cooling water hole 44, then flow to reflow hole 422 through cooling water hole 44, finally flow out second ring channel 4 through reflow channel 45, flow back to the water tank from reflow water guide hole 46 again, thereby realize cooling water circulation, when the cooling water flows in reflow hole 422, the inner wall cooling down of feed screw 1, through the cooling down that flows at the inside of feed screw 1, and because set up first 3 and second ring channel 4, when feed screw 1 rotates, it is that feed screw 1 and second ring channel 45 all can not normally rotate at the same time cooling down in annular channel 3, can not normally rotate feed screw 1, thereby the cooling water can not be influenced by high efficiency at the same time, feed screw 1 can not rotate at the same time at the annular channel 1.
As shown in fig. 3, a first seal ring 5 is provided between the first annular groove 3 and the second annular groove 4. By arranging the first sealing ring 5, the cooling water in the first annular groove 3 and the second annular groove 4 cannot flow in series, and therefore the normal circulation flow of the cooling water is ensured.
A second sealing ring 6 is arranged between the first annular groove 3 and the bearing 22 at one end of the through hole 21 and between the second annular groove 4 and the bearing 22 at the other end of the through hole 21. By providing the second sealing ring 6, cooling water cannot overflow out of the base 2, so that the structure of the injection molding equipment is affected.
As shown in fig. 2, pressing plates 23 are provided on the base 2 at both ends of the through hole 21, and the pressing plates 23 are provided to press the connection bearings 22. The bearing 22 can be fixed by the pressing plate 23 to prevent loosening.
A water cloth (not shown) is provided between the stopper 15 and the cooling hole 42. Through setting up the water proof fabric can be better seal between spacing portion and the cooling hole, prevent the cooling water series flow.
Claims (5)
1. A feed screw disposed on an injection molding apparatus through a base, characterized in that: the center of the base is provided with a through hole, two ends of the through hole are provided with bearings, the feeding screw is rotatably arranged in the through hole through the bearings, a first annular groove extending towards the outer wall of the base is arranged in the through hole, and the first annular groove surrounds the inner wall of the through hole; a water guide hole communicated with the first annular groove from the outer wall of the base is arranged on the base; the feeding screw comprises a main body and a cooling part, wherein a cooling hole is formed in the main body and is arranged along the length direction of the main body, a water inlet hole penetrating through the first annular groove is formed in the cooling hole, the cooling part is arranged in the cooling hole, the cooling part comprises a cooling conveying pipe and a cooling connecting pipe, the cooling connecting pipe is positioned at the rear end of the main body, one end of the cooling conveying pipe is in threaded connection with the cooling connecting pipe, the other end of the cooling conveying pipe extends to the front end of the feeding screw, and the cooling conveying pipe extends to the front end of the main body; cooling water holes are formed in the cooling connecting pipe and the cooling conveying pipe along the length direction of the cooling connecting pipe and the cooling conveying pipe; the outer wall of one end of the cooling connecting pipe, which is connected with the cooling conveying pipe, is provided with a limiting part, the limiting part is tightly connected with the cooling hole through threads, and the cooling water hole penetrates through the other end of the cooling conveying pipe and is communicated with the cooling hole;
the cooling hole forms a flow hole between one end of the limiting part, which is close to the cooling connecting pipe, and the cooling connecting pipe is provided with a flow channel which is communicated with the flow hole and the cooling water hole; the cooling hole forms a reflow hole between one end of the limiting part, which is close to the cooling conveying pipe, and the cooling conveying pipe;
the feeding screw is provided with a backflow channel at one end of the backflow hole, the backflow channel is communicated with the cooling water hole, a second annular groove is further arranged in the through hole, the second annular groove surrounds the inner wall of the through hole, the backflow channel and the second annular groove are correspondingly arranged, a backflow water guide hole communicated with the second annular groove from the outer wall of the base is further formed in the base, and the backflow water guide hole and the water guide hole are connected with the water tank.
2. A feed screw as claimed in claim 1, wherein: a first sealing ring is arranged between the first annular groove and the second annular groove.
3. A feed screw as claimed in claim 1, wherein: and a second sealing ring is arranged between the first annular groove and the bearing at one end of the through hole and between the second annular groove and the bearing at the other end of the through hole.
4. A feed screw according to claim 3, wherein: the bases at two ends of the through hole are provided with pressing plates, and the pressing plates are connected with bearing arrangement in a pressing mode.
5. A feed screw as claimed in claim 1, wherein: a water adhesive tape is arranged between the limiting part and the cooling hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223575990.0U CN219276561U (en) | 2022-12-31 | 2022-12-31 | Feeding screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223575990.0U CN219276561U (en) | 2022-12-31 | 2022-12-31 | Feeding screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219276561U true CN219276561U (en) | 2023-06-30 |
Family
ID=86909735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223575990.0U Active CN219276561U (en) | 2022-12-31 | 2022-12-31 | Feeding screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219276561U (en) |
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2022
- 2022-12-31 CN CN202223575990.0U patent/CN219276561U/en active Active
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