CN201826040U - Cooling jacket for extruder - Google Patents
Cooling jacket for extruder Download PDFInfo
- Publication number
- CN201826040U CN201826040U CN 201020246255 CN201020246255U CN201826040U CN 201826040 U CN201826040 U CN 201826040U CN 201020246255 CN201020246255 CN 201020246255 CN 201020246255 U CN201020246255 U CN 201020246255U CN 201826040 U CN201826040 U CN 201826040U
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- Prior art keywords
- jacket body
- steel plate
- jacket
- ring steel
- inner ring
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- Expired - Lifetime
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a cooling jacket for an extruder, which belongs to the field of machinery manufacture. The cooling jacket comprises a semicircular cylinder shaped lower jacket body and a semicircular cylinder shaped upper jacket body, wherein the lower jacket body comprises a lower jacket inner ring steel plate and a lower jacket outer ring steel plate which are different from each other in diameter, the upper jacket body comprises an upper jacket inner ring steel plate with the same diameter as the lower jacket inner ring steel plate and an upper jacket outer ring steel plate with the same diameter as the lower jacket outer ring steel plate, a feed opening matched in diameter with an extruder screw is formed on the upper jacket body, and a water inlet and a water outlet for allowing cooling liquid to flow in and out are formed respectively on the upper and the lower jacket bodies. Instead of adopting an original casting structure, the cooling jacket is completely made of steel raw materials, so that the problem that the original casting structure has the inherent defects of sand hole, air hole and cracks can be solved, and the cooling liquid in the cooling jacket can be fundamentally prevented from leaking.
Description
Technical field
The utility model relates to the external cooling device that is applied to extruder, particularly relates to a kind of extruder cooling jacket.
Background technology
The function of screw extruder is solid material is become molten condition gradually by heater in rotary course after, mass transport to be gone out.And solid material enters into screw channel from charging aperture, will guarantee that under the condition of high temperature mass transport is unimpeded, is unlikely to make material melt the formation loops too early at this Yin Gaowen, blocks flow channel, forces parking.Therefore, must be provided with cooling device at the charging aperture place.Cool off material with indirect mode.Allow cooling fluid and mixing of materials anything but, otherwise cause spinning quality to descend, and cause parking.Therefore the quality of the type of cooling will directly have influence on the effect of screw extruder.
For solving extruder cooling problem usually at extruder screw channel outer setting cooling device, as cooling jacket.Existing extruder cooling jacket adopts casting structure, is the built-in type of cooling, usually foundry goods cooling jacket and charging aperture is cast into one.As shown in Figure 1, in the screw channel that material inflow chuck endoporus cooperates with it, cooling fluid circulates in the cavity of chuck.But inevitably there are inherent shortcomings such as sand holes, pore and crackle because of foundry goods self, owing to make the uncertainty of processing,, cause manufacturing cost very high so the yield rate during processing and manufacturing is very low.
In addition, the defective of existing extruder cooling foundry goods chuck has stronger disguise, inside sand holes as foundry goods only just can expose and manifest after a period of time is used in pressurization usually, cause when equipment move cooling fluid seepage in cooling jacket by sand holes this moment, flow into the gap between screw rod and the chuck endoporus, and and mixing of materials, causing the maintenance of must stopping, the economic loss of bringing thus is very serious.
The utility model content
Low and be prone to defectives such as seepage at extruder foundry goods cooling jacket yield rate in the prior art, the utility model provides a kind of novel extruder cooling jacket.Described technical scheme is as follows:
The utility model extruder cooling jacket comprises jacket body under the semicircle tubular that is made of different following chuck inner ring steel plate of diameter and following chuck outer ring steel plate; By jacket body on diameter last chuck inner ring steel plate identical and identical last chuck outer ring steel plate constitutes with described time chuck outer ring steel plate diameter the semicircle tubular with described down chuck inner ring steel plate; Described upward jacket body and described jacket body down are sleeved on extruder swivel nut outside hermetically; The described jacket body of going up has the charging hole that mates with the extruder screw diameter.
Extruder cooling jacket of the present utility model, jacket body and the described cross section of jacket body down are respectively arranged with the connection steel plate, jacket body and two independent cavity of following jacket body in formations on described; The described jacket body of going up connects by being connected steel plate with described jacket body down.
Extruder cooling jacket of the present utility model, the described jacket body of going up is provided with water inlet and delivery port; Described jacket body down also is provided with water inlet and delivery port.
Extruder cooling jacket of the present utility model axially vertically is provided with water fender with described jacket body down in the described jacket body down; Described water fender is fixed on the described jacket body inner ring steel plate down, but and leave the space between the steel plate of jacket body outer ring under described; Or described water fender is fixed on the steel plate of described down jacket body outer ring, but and describedly leave the space between jacket body inner ring steel plate down.
Extruder cooling jacket of the present utility model, described going up in the jacket body axially vertically is provided with water fender with the described jacket body of going up; Described water fender is fixed on the described last jacket body inner ring steel plate, but and leave the space between the steel plate of described last jacket body outer ring; Or described water fender is fixed in described going up on the steel plate of jacket body outer ring, but and described going up between jacket body inner ring steel plate leave the space.
The beneficial effect of the technical scheme that the utility model provides is: extruder cooling jacket of the present utility model has been abandoned original casting structure, adopt the steel raw material to make fully, avoid casting structure easily to have inherent shortcomings such as sand holes, pore, crackle effectively, and then fundamentally solved cooling fluid leakage problems in the cooling jacket.
Description of drawings
Fig. 1 is existing casting structure extruder cooling jacket schematic diagram;
Fig. 2 is the extruder cooling jacket structural representation that the embodiment of the invention provides;
Fig. 3 is the extruder cooling jacket assembling schematic diagram that the embodiment of the invention provides.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further detail below in conjunction with accompanying drawing.
As Fig. 2, shown in Figure 3, the open extruder cooling jacket of the utility model mainly comprises the following jacket body 10 and last jacket body 11 two parts that are connected.Following jacket body 10 is the semicircle tubular, is made of diameter less following chuck inner ring steel plate 4 and the bigger following chuck outer ring steel plate 5 of internal diameter respectively.Identical with following jacket body 10, last jacket body 11 is to be made of the semicircle tubular that identical last chuck inner ring steel plate 2 of diameter and following chuck inner ring steel plate 4 and the last chuck outer ring steel plate 3 identical with following chuck outer ring steel plate 5 diameters constitute.The diameter of last chuck inner ring steel plate 2 and following chuck inner ring steel plate 4 is by swivel nut 7 decisions of extruder screw channel outside, and jacket body 11 and following jacket body 10 can be sleeved on swivel nut 7 outsides of extruder closely in the assurance.Swivel nut 7 is made of metal usually, and fixed packet is rolled in the swivel nut outside of extruder, makes jacket body 11 and following jacket body 10 and seal combination between it, forms complete cylinder, is sleeved on the swivel nut outside hermetically.
For ease of the injection and the circulation of cooling fluid, on last jacket body 11 and following jacket body 10, be respectively arranged with water inlet and delivery port, cooling fluid is injected from water inlet in the chamber of cooling jacket, through circulating, flows out cooling jacket from delivery port.
For ease of installing, also can make two independent cavity with following jacket body 10 with going up jacket body 11, promptly on the section of last jacket body 11 and following jacket body 10, adopt mode difference fixing connection steel plates 6 such as welding.To connect steel plate 6 by screw then and connect, form fixing tubular structure, be sleeved on extruder swivel nut outside.
In order to regulate the coolant flow speed in the cooling jacket better, guarantee desirable heat exchange effect, water fender 8 can be set in cooling jacket.The direction of water fender 8 is axial vertical with cooling jacket.Water fenders 8 in the following jacket body 10 can be fixed in down on the jacket body inner ring steel plate 4, but must and 5 of following jacket body outer ring steel plates leave the space; Also water fender can be fixed in down on the jacket body outer ring steel plate 5, but must and 4 of following jacket body inner ring steel plates leave the space, so just can guarantee the mobile smooth and easy of cooling fluid.
Equally, also can in last jacket body 11 water fender 8 be set, the water fenders 8 in the last jacket body 11 can be fixed on the jacket body inner ring steel plate 2, but will and 3 of last jacket body outer ring steel plates leave the space; Also water fender 8 can be fixed on the jacket body outer ring steel plate 3, leave the space but will go up 2 of jacket body inner ring steel plates.
Processing of the present utility model is simple, and inside and outside circle steel plate of the inside and outside circle steel plate of jacket body and following jacket body can adopt the roll of steel plate circle assembly welding of 5mm to make on it.Its inner ring steel plate coincide through machined assurance and swivel nut cylindrical, guarantees good heat-conducting effect.During assembling, it is involutory to go up under the jacket body jacket body, and utilizes bolt will connect steel plate and fix, and is sleeved on that swivel nut is outside to get final product.
For guaranteeing the but sealing effectiveness of chuck, can also before installing life's work, carry out applied voltage test, as feeding the hydraulic pressure leak test of 0.4Mpa, both can formally use as ne-leakage.
Extruder cooling jacket of the present utility model has solved that existing foundry goods chuck easily leaks and the technical problem of contaminated material can run without interruption extruder for a long time, has reduced because of maintenance and has brought economic loss.
Simultaneously, assembling of the present utility model is simple, because the last jacket body of cooling jacket is provided with following jacket body split, weight is lighter, need 2 installation personnels and need be by large-scale hanging device, time half a day both can install complete machine.Having solved original foundry goods chuck must be by the problem that large-scale erection unit cooperates and the set-up time is long because weight is heavier.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. an extruder cooling jacket is characterized in that, comprises jacket body under the semicircle tubular that is made of different following chuck inner ring steel plate of diameter and following chuck outer ring steel plate; By jacket body on diameter last chuck inner ring steel plate identical and identical last chuck outer ring steel plate constitutes with described time chuck outer ring steel plate diameter the semicircle tubular with described down chuck inner ring steel plate; Described upward jacket body and described jacket body down are sleeved on extruder swivel nut outside hermetically; The described jacket body of going up has the charging hole that mates with the extruder screw diameter.
2. extruder cooling jacket according to claim 1 is characterized in that, jacket body and the described cross section of jacket body down are respectively arranged with the connection steel plate, jacket body and two independent cavity of following jacket body in formations on described; The described jacket body of going up connects by being connected steel plate with described jacket body down.
3. extruder cooling jacket according to claim 1 is characterized in that, the described jacket body of going up is provided with water inlet and delivery port; Described jacket body down also is provided with water inlet and delivery port.
4. extruder cooling jacket according to claim 1 is characterized in that, axially vertically is provided with water fender with described jacket body down in the described jacket body down; Described water fender is fixed on the described jacket body inner ring steel plate down, but and leave the space between the steel plate of jacket body outer ring under described; Or described water fender is fixed on the steel plate of described down jacket body outer ring, but and describedly leave the space between jacket body inner ring steel plate down.
5. extruder cooling jacket according to claim 1 is characterized in that, described going up in the jacket body axially vertically is provided with water fender with the described jacket body of going up; Described water fender is fixed on the described last jacket body inner ring steel plate, but and leave the space between the steel plate of described last jacket body outer ring; Or described water fender is fixed in described going up on the steel plate of jacket body outer ring, but and described going up between jacket body inner ring steel plate leave the space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020246255 CN201826040U (en) | 2010-07-02 | 2010-07-02 | Cooling jacket for extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020246255 CN201826040U (en) | 2010-07-02 | 2010-07-02 | Cooling jacket for extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201826040U true CN201826040U (en) | 2011-05-11 |
Family
ID=43964589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020246255 Expired - Lifetime CN201826040U (en) | 2010-07-02 | 2010-07-02 | Cooling jacket for extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201826040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498201A (en) * | 2013-09-29 | 2014-01-08 | 无锡众望四维科技有限公司 | Spiral cooling device of polyester chip spinning equipment |
-
2010
- 2010-07-02 CN CN 201020246255 patent/CN201826040U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498201A (en) * | 2013-09-29 | 2014-01-08 | 无锡众望四维科技有限公司 | Spiral cooling device of polyester chip spinning equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |