CN209466647U - Screw of plastic extruder - Google Patents
Screw of plastic extruder Download PDFInfo
- Publication number
- CN209466647U CN209466647U CN201822195694.5U CN201822195694U CN209466647U CN 209466647 U CN209466647 U CN 209466647U CN 201822195694 U CN201822195694 U CN 201822195694U CN 209466647 U CN209466647 U CN 209466647U
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- rod
- pipe
- cooling water
- slot
- water pipe
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a kind of screw of plastic extruder, including the body of rod, the external helicoid of the body of rod has pipe sleeve, have and the integrally formed threaded portion of the pipe sleeve on the pipe sleeve, the through slot with the perforation of one end of the body of rod is also provided with inside the body of rod, cooling water pipe is provided in the through slot, branch pipe there are two being also welded and fixed on the body of rod, two branch pipes are connected to the through slot inside the body of rod, the both ends of the cooling water pipe are each passed through the branch pipe and are connected and fixed, the both ends of the cooling water pipe are respectively fixed with the convenient screwed ring being connected to extraneous water supply line, when needing to cool down to the body of rod and pipe sleeve, it can use screwed ring to connect the cooling water pipe in through slot with extraneous pipeline, heat is taken away using the water flow in cooling water pipe, cooling effect is preferable, and cooling water pipe in branch pipe by card Fixation is connect, the position of cooling water pipe is not susceptible to change, and overall structure is relatively stable.
Description
Technical field
The utility model relates to screw rods, more particularly, to a kind of screw of plastic extruder.
Background technique
Screw of plastic extruder is the heart of plastic extruder, is the important component that plastics are compressed in plastic extruder, it
Be make plastic milling, pressurization and carry out the important component of extrusion.The pressure and shearing force that screw rod rotation generates, can make object
Material can sufficiently carry out plasticizing and be formed after evenly mixing by die head.
Authorization Notice No. is the Chinese patent of CN207808440U in existing patent, it discloses a kind of extruder screw,
Including the body of rod, the body of rod includes broken pipe, and the broken pipe two sides are provided with the first screwed pipe, and the broken pipe side is set
It is equipped with telescoping tube, the second screwed pipe is provided on the outside of the telescoping tube, the broken pipe side is provided with broken sword, described broken
Sword bottom is provided with limit plate.Above-mentioned this extruder screw, when in use can be by telescoping tube side by the broken pipe of setting
The second screwed pipe be threadedly coupled with the first screwed pipe of broken pipe side, when need to be replaced to broken sword, by button bolt
It takes out out of mounting hole, presses from two sides by broken sword, pack up broken sword, then broken sword is taken out out of broken pipe.
Although above-mentioned extruder screw has the advantages that be convenient for changing broken sword, since extruder screw is squeezing out
The temperature being subjected to when plastics is higher, is damaged too early under higher temperature conditions using will lead to screw rod for a long time, this is virtually
The service life for shortening screw rod increases the cost of extrusion.
Utility model content
The purpose of the utility model is to provide a kind of screw of plastic extruder, has and facilitate the extraneous water supply line pair of connection
Screw of plastic extruder carries out cooling advantage.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of screw of plastic extruder, including the body of rod, the external helicoid of the body of rod have a pipe sleeve, have on the pipe sleeve with
The integrally formed threaded portion of pipe sleeve, has on the body of rod and integrally formed first shaft shoulder of the body of rod, the body of rod
Outside be also threaded with adapter sleeve, the pipe sleeve after installation be connected to first shaft shoulder and the adapter sleeve it
Between, it is also provided with the through slot with the perforation of one end of the body of rod inside the body of rod, is provided with cooling water pipe in the through slot,
Branch pipe there are two being also welded and fixed on the body of rod, two branch pipes are connected to the through slot inside the body of rod, described cold
But the both ends of water pipe are each passed through the branch pipe and are connected and fixed, and the both ends of the cooling water pipe are respectively fixed with convenient and extraneous
The screwed ring of water supply line connection, the rod end are also connected with ring flange, several screw threads are offered on the ring flange
Hole.
By using above-mentioned technical proposal, on the one hand, since screw of plastic extruder is assembled screw rod, squeezing out work
Threaded portion pipe sleeve can be replaced when being damaged, need for pipe sleeve screw thread to be tightened on outside the body of rod when replacing pipe sleeve, twist later
Pipe sleeve is stuck between first shaft shoulder and adapter sleeve by tight adapter sleeve, can be guaranteed the fixing of pipe sleeve installation, is not susceptible to loosen；
On the other hand, when needing to cool down to the body of rod and pipe sleeve, it can use screwed ring for cooling water pipe in through slot and extraneous
Pipeline connection, take away heat using the water flow in cooling water pipe, cooling effect is preferable, and cooling water pipe is clamped in branch pipe
Fixed, the position of cooling water pipe is not susceptible to change, and overall structure is relatively stable.
The utility model is further arranged to: for being clamped the arc card of cooling water pipe there are two being respectively provided in the branch pipe
Block is respectively connected with the first spring between two arc fixture blocks and the branch pipe.
By using above-mentioned technical proposal, will be pushed under the elastic reaction of the first spring between arc fixture block and branch pipe
Two arc fixture blocks block cooling water pipe, and snap fit is simple, reliable.
The utility model is further arranged to: having protrusion on the ring flange, the protrusion is threaded in institute
It states in through slot.
By using above-mentioned technical proposal, the protrusion being threadedly attached in through slot, which can install ring flange, to be fixed
In rod end, replacement easy to disassemble.
The utility model is further arranged to: the body of rod has and the body of rod one in the end close to the ring flange
The second body formed shaft shoulder is connected between the ring flange and the body of rod end face by several clamping screws.
By using above-mentioned technical proposal, screw thread connects through second shaft shoulder of setting and between the end face and ring flange of the body of rod
Enough bonding strengths between ring flange and the body of rod can be guaranteed by connecing clamping screw.
The utility model is further arranged to: sliding slot is offered in the protrusion, sliding is connected with slotting in the sliding slot
Block offers the slot for inserted block insertion in the body of rod, is connected with second between the inserted block and the sliding slot slot bottom
Spring.
By using above-mentioned technical proposal, when protrusion is screwed in through slot to certain position, in the effect of second spring
Under, the inserted block in sliding slot is inserted into the intracorporal slot of bar, can play the effect of clamping positioning.
The utility model is further arranged to: the arc fixture block is being fixed with drawing far from the cooling water pipe on one side
Bar offers the circular hole passed through for the pull rod on the branch pipe.
By using above-mentioned technical proposal, when the cooling water pipe in through slot needs to take out maintenance, operator can be pulled
Pull rod slides in circular hole, is able to drive the releasing of arc fixture block to the snap lock of cooling water pipe by pull rod.
The utility model is further arranged to: the arc fixture block is fixed with one in the cambered surface close to the cooling water pipe
Layer non-slip mat.
By using above-mentioned technical proposal, the non-slip mat in arc fixture block cambered surface is capable of increasing arc fixture block and cooling water pipe
Between contact area so that arc fixture block clamping locking cooling water pipe it is relatively reliable.
The utility model is further arranged to: the cooling water pipe is in U-shape setting in the through slot.
By using above-mentioned technical proposal, enable to cooling water pipe in through slot by setting U-shaped for cooling water pipe
With biggish surface area, increase cooling effect.
In conclusion the advantageous effects of the utility model are as follows:
1. when needing to cool down to the body of rod and pipe sleeve, screwed ring can use by cooling water pipe in through slot and extraneous
Pipeline connection, take away heat using the water flow in cooling water pipe, cooling effect is preferable, and cooling water pipe is clamped in branch pipe
Fixed, the position of cooling water pipe is not susceptible to change, and overall structure is relatively stable；
2. can be replaced since screw of plastic extruder is assembled screw rod when the threaded portion for squeezing out work is damaged
Pipe sleeve needs for pipe sleeve screw thread to be tightened on outside the body of rod, tightens adapter sleeve later for pipe sleeve and be stuck in first shaft shoulder when replacing pipe sleeve
Between adapter sleeve, it can guarantee the fixing of pipe sleeve installation, be not susceptible to loosen.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structure sectional view of the utility model.
Fig. 3 is the enlarged diagram of part A in Fig. 2.
Fig. 4 is the enlarged diagram of part B in Fig. 2.
Fig. 5 is the structure front elevational view of the utility model.
Fig. 6 is the enlarged diagram of C portion in Fig. 5.
In figure, 1, the body of rod；10, pipe sleeve；101, threaded portion；11, first shaft shoulder；12, adapter sleeve；13, through slot；131, cooling
Water pipe；14, branch pipe；1311, screwed ring；15, ring flange；151, threaded hole；141, arc fixture block；142, the first spring；152,
Protrusion；16, second shaft shoulder；1520, clamping screw；1521, sliding slot；1522, inserted block；1523, second spring；1524, slot；
1411, pull rod；143, circular hole；1412, non-slip mat.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Fig.1, is a kind of screw of plastic extruder disclosed by the utility model, including the body of rod 1, the plastic extruder spiral shell
Bar is assembled screw rod, wherein the external helicoid in the body of rod 1 has pipe sleeve 10, is had on pipe sleeve 10 integrally formed with pipe sleeve 10
Threaded portion 101, in order to enable the pipe sleeve 10 of 1 external screw-thread of body of rod connection is not loosened in 101 pressing materials of threaded portion,
Have on the body of rod 1 with integrally formed first shaft shoulder 11 of the body of rod 1, while being also threaded with adapter sleeve 12 in the outside of the body of rod 1,
Pipe sleeve 10 after installation is connected between first shaft shoulder 11 and adapter sleeve 12, therefore when the threaded portion 101 for squeezing out work is damaged
Bad when, can replace pipe sleeve 10, need for 10 screw thread of pipe sleeve to be tightened on outside the body of rod 1 when replacing pipe sleeve 10, tighten adapter sleeve later
12 are stuck in pipe sleeve 10 between first shaft shoulder 11 and adapter sleeve 12, to guarantee the fixing that pipe sleeve 10 is installed, are not susceptible to pine
It is dynamic.
With reference to Fig. 2, Fig. 3 and Fig. 4, since when squeezing, the body of rod 1 and pipe sleeve 10 can generate heat, prolonged fever be will affect
Its service life needs screw of plastic extruder to facilitate and is cooled down to guarantee the service life of screw of plastic extruder, therefore
It is also provided with the through slot 13 with the perforation of one end of the body of rod 1 inside the body of rod 1, while being provided with cooling water pipe 131 in through slot 13,
Cooling water pipe 131 is in U-shape arrangement, enables to cooling water pipe 131 to have biggish surface area in through slot 13, to increase
Cooling effect；It is attached, is also welded and fixed on the body of rod 1 there are two branch pipe with external water pipe in order to facilitate cooling water pipe 131
14, two of them branch pipe 14 is connected to the through slot 13 inside the body of rod 1, and the both ends of cooling water pipe 131 are each passed through 14 quilt of branch pipe
It connects and fixes, is respectively fixed with the convenient screwed ring 1311 being connected to extraneous water supply line at the both ends of cooling water pipe 131, utilizes
Screwed ring 1311 convenient can be connect with extraneous water supply line；When needing to cool down to the body of rod 1 and pipe sleeve 10, can use
Cooling water pipe 131 in through slot 13 is connect by screwed ring 1311 with extraneous water supply line, utilizes the water flow in cooling water pipe 131
Heat is taken away, cooling effect is preferable, and since cooling water pipe 131 is connected and fixed in branch pipe 14, the position of cooling water pipe 131
It is not susceptible to change, overall structure is relatively stable；In order to enable cooling water pipe 131 has biggish cooling efficiency.
With reference to Fig. 4, in order to guarantee that cooling water pipe 131 is connected and fixed at branch pipe 14, it is respectively provided in two branch pipes 14
There are two the arc fixture blocks 141 for being clamped cooling water pipe 131, while will connect between two arc fixture blocks 141 and branch pipe 14
It is connected to the first spring 142, under the elastic reaction of the first spring 142, two arc fixture blocks 141 can be pushed cooling water pipe 131
It blocks, snap fit is simple, reliable；Fixation in order to facilitate contact arc fixture block 141 to cooling water pipe 131, arc fixture block 141
Outer wall on be fixed with pull rod 1411, while the circular hole 143 passed through for pull rod 1411 is offered on branch pipe 14, when in through slot 13
Cooling water pipe 131 need take out maintenance when, operator can pull pull rod 1411 to slide in circular hole 143, pass through pull rod
1411 are able to drive the releasing of arc fixture block 141 to the snap lock of cooling water pipe 131；In order to enable arc fixture block 141 is being clamped
It is more stable when fixed cooling water pipe 131, arc fixture block 141 is fixed with one layer in the cambered surface close to cooling water pipe 131 and is prevented
Skidding 1412, the non-slip mat 1412 in 141 cambered surface of arc fixture block are capable of increasing between arc fixture block 141 and cooling water pipe 131
Contact area, so that the clamping locking cooling water pipe 131 of arc fixture block 141 is relatively reliable.
With reference to Fig. 5 and Fig. 6, in order to enable the body of rod 1 is conveniently installed on plastic extruder, it is also connected in 1 end of the body of rod
Ring flange 15, wherein opening up on ring flange 15, there are six threaded holes 151, by that can be facilitated using ring flange 15 by the body of rod 1
With the power axis connection of plastic extruder；In order to facilitate the connection between ring flange 15 and the body of rod 1, have on ring flange 15 convex
Portion 152 out, and protrusion 152 is threaded in through slot 13, the protrusion 152 being threadedly attached in through slot 13 can
Ring flange 15 is fixed on 1 end of the body of rod, replacement easy to disassemble；Stabilization when in order to guarantee that ring flange 15 is installed, the body of rod 1
The end close to ring flange 15 have with integrally formed second shaft shoulder 16 of the body of rod 1, while by 1 end face of ring flange 15 and the body of rod
Between connected by four clamping screws 1520, by second shaft shoulder 16 of setting and between the end face and ring flange 15 of the body of rod 1
Enough bonding strengths between ring flange 15 and the body of rod 1 can be guaranteed by being threadedly coupled clamping screw 1520；In order to being threaded into
The protrusion 152 of through slot 13 is positioned, and sliding slot 1521 is offered in protrusion 152, and connection is slid in sliding slot 1521
There is inserted block 1522, while offering in the body of rod 1 slot 1524 being inserted into for inserted block 1522, and by inserted block 1522 and sliding slot 1521
Second spring 1523 is connected between slot bottom, when the screw-in through slot 13 of protrusion 152 is arrived certain position, in second spring 1523
Under the action of, the inserted block 1522 in sliding slot 1521 is inserted into the slot 1524 in the body of rod 1, can play clamping positioning
Effect.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of screw of plastic extruder, including the body of rod (1), it is characterised in that: the external helicoid of the body of rod (1) has pipe sleeve
(10), have on the pipe sleeve (10) with the pipe sleeve (10) integrally formed threaded portion (101), have on the body of rod (1)
With integrally formed first shaft shoulder (11) of the body of rod (1), the outside of the body of rod (1) is also threaded with adapter sleeve (12),
The pipe sleeve (10) after installation is connected between first shaft shoulder (11) and the adapter sleeve (12), in the body of rod
(1) the internal through slot (13) being also provided with the perforation of one end of the body of rod (1), the through slot (13) is interior to be provided with cooling water pipe
(131), there are two being also welded and fixed on the body of rod (1) branch pipe (14), two branch pipes (14) are and in the body of rod (1)
The through slot (13) in portion is connected to, and the both ends of the cooling water pipe (131) are each passed through the branch pipe (14) and are connected and fixed, described cold
But the both ends of water pipe (131) are respectively fixed with the convenient screwed ring (1311) being connected to extraneous water supply line, the body of rod (1) end
Portion is also connected with ring flange (15), several threaded holes (151) are offered on the ring flange (15).
2. screw of plastic extruder according to claim 1, it is characterised in that: there are two being respectively provided in the branch pipe (14)
For being clamped the arc fixture block (141) of cooling water pipe (131), between two arc fixture blocks (141) and the branch pipe (14)
It is respectively connected with the first spring (142).
3. screw of plastic extruder according to claim 1, it is characterised in that: have protrusion on the ring flange (15)
(152), the protrusion (152) is threaded in the through slot (13).
4. screw of plastic extruder according to claim 3, it is characterised in that: the body of rod (1) is close to the flange
The end of disk (15) has and integrally formed second shaft shoulder (16) of the body of rod (1), the ring flange (15) and the body of rod
(1) it is connected between end face by several clamping screws (1520).
5. screw of plastic extruder according to claim 3, it is characterised in that: offer cunning in the protrusion (152)
Slot (1521), the interior sliding of the sliding slot (1521) are connected with inserted block (1522), are offered in the body of rod (1) for the inserted block
(1522) slot (1524) being inserted into, is connected with second spring between the inserted block (1522) and the sliding slot (1521) slot bottom
(1523) 。
6. screw of plastic extruder according to claim 2, it is characterised in that: the arc fixture block (141) is far from institute
Being fixed on one side pull rod (1411) for cooling water pipe (131) is stated, offers on the branch pipe (14) and is worn for the pull rod (1411)
The circular hole (143) crossed.
7. screw of plastic extruder according to claim 2, it is characterised in that: the arc fixture block (141) is close to institute
It states and is fixed with one layer of non-slip mat (1412) in the cambered surface of cooling water pipe (131).
8. screw of plastic extruder according to claim 1, it is characterised in that: the cooling water pipe (131) is described logical
Be in U-shape setting in slot (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822195694.5U CN209466647U (en) | 2018-12-25 | 2018-12-25 | Screw of plastic extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822195694.5U CN209466647U (en) | 2018-12-25 | 2018-12-25 | Screw of plastic extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209466647U true CN209466647U (en) | 2019-10-08 |
Family
ID=68090620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822195694.5U Active CN209466647U (en) | 2018-12-25 | 2018-12-25 | Screw of plastic extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209466647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901017A (en) * | 2019-12-31 | 2020-03-24 | 陈烁 | Screw suitable for processing plastic extruder with low fluidity |
-
2018
- 2018-12-25 CN CN201822195694.5U patent/CN209466647U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901017A (en) * | 2019-12-31 | 2020-03-24 | 陈烁 | Screw suitable for processing plastic extruder with low fluidity |
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