CN207327559U - Delivery type extruder - Google Patents
Delivery type extruder Download PDFInfo
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- CN207327559U CN207327559U CN201721245681.3U CN201721245681U CN207327559U CN 207327559 U CN207327559 U CN 207327559U CN 201721245681 U CN201721245681 U CN 201721245681U CN 207327559 U CN207327559 U CN 207327559U
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Abstract
A kind of delivery type extruder, including machine barrel and the screw rod being arranged in machine barrel, feed inlet and discharge port are provided with machine barrel, the spiral shell rib of energy extruded material is provided with screw rod, the end of screw rod stretches out machine barrel and is connected with spiro driving device, the front portion of the screw rod is provided with pass segment, the shank diameter of the screw rod is gradually reduced after first gradually increasing on pass segment, machine barrel with pass segment opposite position at be provided with transfer part, the diameter of bore of the transfer part is corresponding in turn to after ground first gradually increases with shank diameter and is gradually reduced, spiral helicine groove has been positioned apart from the inner wall of the transfer part, the spiral shell rib is revolvably embedded at the groove of correspondence position.It the advantage is that：Pass segment cooperates with transfer part, forces material to be transferred to from screw rod on machine barrel and is passed back to screw rod from machine barrel again, the spiral shell rib is revolvably embedded at the groove of correspondence position, and material is subject to the shearing force that groove is produced with the relative motion of spiral shell rib when travelling forward all the time.
Description
Technical field
The manufacture technology field of material extrusion equipment is the utility model is related to, especially a kind of delivery type extruder.
Background technology
A kind of existing Patent No. CN201520049924.0 is entitled《A kind of extruding machine of plastic molding press》China
Utility model patent discloses a kind of extruding machine of plastic molding press, including screw rod and the machine barrel with a machine tube inner wall.The spiral shell
Bar is installed in machine barrel, has a center-pole and the spiral shell rib around the spiral setting of center-pole；The machine barrel is divided into solid conveying zone, melts
Tabetisol, melt delivery area, in melting zone, spiral shell rib is in the shape that the projection radially of center-pole is in three leaf curves.The extrusion molding
Machine further includes an agitating unit, which has positioned at melting zone and to be fixed at cross section on machine tube inner wall triangular in shape
Fin.Whereby, make to be gathered in center-pole, the pigment on machine tube inner wall is sufficiently mixed among the raw material of molten state, for making
The uniform plastic product of color is produced, and is stirred without extra agitating device, and is not in that stirring pours into extruding machine afterwards
The phenomenon of pigment aggregation is still suffered from, not only reduces the input of production equipment, and substantially increases the convenience of production, reduces life
The cost of input needed for production.However, heating-up temperature is high when the extruding machine uses, the temperature of charge of extrusion is high, and cooling time, length, was squeezed
Material melting effect is undesirable during modeling, therefore the structure of the equipment also needs further to improve.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of extrusion efficiency for above-mentioned state of the art
High delivery type extruder, the material plasticizing effect extruded using this extruder is good, and extrusion temperature is low, is kneaded fully, can meet
High degree of mixing requirement.
Technical solution is used by the utility model solves above-mentioned technical problem：This delivery type extruder, including machine barrel
With the screw rod being arranged in machine barrel, feed inlet and discharge port are provided with the machine barrel, and being provided with the screw rod can extrudate
The spiral shell rib of material, the end of the screw rod stretch out machine barrel and are connected with spiro driving device, it is characterised in that：The front portion of the screw rod
Be provided with pass segment, the shank diameter of the screw rod is first gradually gradually reduced after increase on pass segment, machine barrel with pass segment
It is provided with transfer part at opposite position, diameter of bore and the shank diameter of the transfer part are corresponding in turn to ground first gradually after increase
Be gradually reduced, be positioned apart from spiral helicine groove on the inner wall of the transfer part, the spiral shell rib revolvably embedded at pair
Answer the groove of position.
As an improvement, the screw rod includes feed zone, melt zone, pass segment and extruding zone, the pass segment includes transmitting
One section gradually increases on transmitting one section and is gradually reduced on transmitting two sections with two sections of transmission, shank diameter.
Further improve, it is described to transmit one section of length with transmitting two sections than being preferably 2.5~1.5.
Further improve, feed zone, melt zone, pass segment with the end of spiral shell rib on extruding zone is preferably smooth successively is connected
Connect, the material extrusion recess for being improved material extrusion effect is set on the spiral shell rib of the feed zone.
As an improvement, the groove is preferably equally spaced on the inner wall of transfer part, by inner wall exhibition where groove
The edge for opening spiral shell rib after the edge of rearward recess and the body of rod outwardly deploying of pass segment intersects vertically successively.
As an improvement, the machine barrel includes two sections of one section of machine barrel and machine barrel, before the transfer part is arranged on two sections of machine barrel
End, is linked together by fixing device after the front end pairing of two sections of the rear end that one section of machine barrel and machine barrel.
Further improve, the transfer part, which is preferably arranged on, to be shirked in section, and the section of shirking is arranged on machine with shirking
In the inner cavity of two sections of front ends of cylinder, the front end for shirking section is provided with the connection ring that can stretch out two sections of machine barrel, after one section of machine barrel
Merga pass attachment screw is pasted successively and is linked together in the front end at two sections of end, connection ring and machine barrel.
Further improve, one section of the machine barrel includes one section of overcoat and one section of inner sleeve, and two sections of the machine barrel is included outside two sections
Set and two sections of inner sleeves, one section of overcoat, two sections of overcoats side wall on be respectively arranged with through one section of overcoat, two sections of overcoats one
Section limbers, two sections of limbers, one section of inner sleeve, two sections of inner sleeves outer wall on be respectively arranged with one to be connected with limbers
Duan Shuileng grooves, two sections of water cooling grooves.
Further improve, the front end of two sections of inner sleeves is preferably provided with junction surface, and the section of shirking is arranged on engagement
In portion, shirk the connection ring stretching junction surface of section and the front end at junction surface, one section of overcoat are connected, the inner cavity of two sections of inner sleeves
In be provided with bushing, the end of the bushing is mutually contacted with shirking the rear end of section.
Further improve, be preferably provided with the outer wall for shirking section and shirk a section water cooling groove, the junction surface
A section limbers can be shirked with shirk that section water cooling groove is connected by being provided with side wall.
Compared with prior art, the utility model has the advantage of：Pass segment and transfer part cooperate, force material from
Screw rod is transferred on machine barrel and is passed back to screw rod from machine barrel again, simultaneously because the spiral shell rib is revolvably embedded at the recessed of correspondence position
Groove, formed machine barrel on the hand of spiral of groove with the groove direction of spiral shell rib on the contrary, material be subject to all the time when travelling forward it is recessed
The shearing force that groove and the relative motion of spiral shell rib produce, finally, realize material differential transmission intensive between screw rod and machine barrel and
Intensive shear, make material screw rod axially and radially on be all sufficiently kneaded；And spew groove between groove and spiral shell rib
Quantity and physical dimension determine the unit size size that material is transmitted, this extruder is concentrated more in a zonule cohesion
A sizing material cut point and by pass segment and the change of transfer part diametrically, repeatedly cuts sizing material and transmits repeatedly, make sizing material
It is plasticized and is mixed completely transmitting section, reach the processing effect not available for other plasticizing machinery equipment, can be applied and add
The other plasticizing machinery equipment of work are difficult to the material being kneaded, and application range is wider；In addition, being set in this extruder can lead in machine barrel
Enter cooling water temperature structure, so that the material plasticizing effect of extrusion is more preferable, extrusion temperature is lower, and yield is also high, can especially fit
The sizing material that Ying Yu has high degree of mixing requirement extrudes；By test, using the temperature of this extruder extrusion sizing material than pin extruder
Extrusion temperature it is 5~10 DEG C low, and production capacity improve 20~30%, plasticizing effect and ability are better than pin cold -feed extrusion
Therefore machine, spiro rod length also shorten, extrusion pressure is up to 20~30MPa.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the front projection figure of screw rod in Fig. 1；
Fig. 3 is one section of profile along central axes of machine barrel in Fig. 1；
Fig. 4 is along the profile of line A-A in Fig. 3；
Fig. 5 is the profile after two sections of removal bushings of machine barrel along central axes in Fig. 1；
Fig. 6 is along the profile of line B-B in Fig. 5；
Fig. 7 is along the profile of another plane where central axes in Fig. 5；
Fig. 8 is the profile that section is shirked in Fig. 1 along central axes；
Fig. 9 is along the profile of line C-C in Fig. 8；
Figure 10 is the schematic diagram after inner wall expansion in Fig. 9.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown in Figures 1 to 10, the delivery type extruder of the present embodiment, including machine barrel and the screw rod 1 that is arranged in machine barrel,
Feed inlet and discharge port are provided with the machine barrel, the spiral shell rib of energy extruded material is provided with the screw rod 1, the screw rod 1
End stretches out machine barrel and is connected with spiro driving device 5, and the front portion of the screw rod 1 is provided with pass segment C, the bar of the screw rod 1
Body diameter on pass segment C first gradually increase after be gradually reduced, machine barrel with pass segment C opposite positions at be provided with transmission
Portion, diameter of bore and the shank diameter of the transfer part, which are corresponding in turn to after ground first gradually increases, to be gradually reduced, the transfer part
Spiral helicine groove 43 is positioned apart from inner wall, the direction of rotation of the groove 43 is corresponding with the direction of rotation of spiral shell rib.
The screw rod 1 includes feed zone A, and melt zone B, pass segment C and extruding zone D, the pass segment C include transmitting one section of C1 with transmitting
Two sections of C2, shank diameter gradually increase on one section of C1 is transmitted and are gradually reduced on two sections of C2 are transmitted.One section of C1 of the transmission
Length ratio with transmitting two sections of C2 is 2.5~1.5.On feed zone A, melt zone B, pass segment C and extruding zone D the end of spiral shell rib according to
It is secondary it is smooth be connected, set on the spiral shell rib of the feed zone A and be improved the material extrusion recess 11 of material extrusion effect.Between the grade of groove 43
It is arranged on every ground on the inner wall of transfer part, by outside the edge of 43 place inner wall expansion rearward recess 43 of groove and the body of rod of pass segment C
The edge of spiral shell rib intersects vertically successively after unfolded surface.The machine barrel includes two sections of one section of machine barrel and machine barrel, and the transfer part is set
Put in the front end of two sections of machine barrel, the rear end that one section of machine barrel by fixing device after the front end pairing of two sections of machine barrel with being connected to one
Rise.The transfer part, which is arranged on, to be shirked in section 4, and the section 4 of shirking is arranged in the inner cavity of two sections of front ends of machine barrel in which can shirk, institute
State and shirk the front end of section 4 and be provided with the connection ring 41 that can stretch out two sections of machine barrel, rear end, connection ring 41 and the machine barrel two that one section of machine barrel
Merga pass attachment screw is pasted successively and is linked together in the front end of section.One section of the machine barrel includes one section of overcoat 21 and one section of inner sleeve
2, two sections of the machine barrel includes two sections of overcoats 31 and two sections of inner sleeves 3, distinguishes on the side wall of one section of overcoat, 21, two sections of overcoats 31
It is provided through 22, two sections of one section of limbers limbers 32 of one section of overcoat, 21, two sections of overcoats 31,2, two sections of one section of inner sleeve
One section of water cooling groove, 23, the two sections of water cooling grooves 33 being connected with limbers 22 are respectively arranged with the outer wall of inner sleeve 3.Described two
The front end of section inner sleeve 3 is provided with junction surface 34, and the section 4 of shirking is arranged in junction surface 34, and the connection ring 41 for shirking section 4 is stretched out
The front end at junction surface 34 and junction surface 34, one section of overcoat 21 are connected, and bushing 35 is provided with the inner cavity of two sections of inner sleeves 3,
The end of the bushing 35 is mutually contacted with shirking the rear end of section 4.It is provided with the outer wall for shirking section 4 and shirks a section water cooling groove
42, a section limbers can be shirked with shirk that section water cooling groove 42 is connected by being provided with the side wall at the junction surface 34.
Operation principle：Pass segment and transfer part are respectively arranged with screw rod and machine barrel, pass segment cooperates with transfer part,
The bottom that spew groove is formed between the upper spiral shell rib of one section of transmission is gradually raised, and the depth of spew groove gradually becomes shallower as, and the spiral shell of transfer part
The bottom of rotation shape groove is gradually reduced, and depth of groove gradually increases, and groove transmission of the material to transfer part is transmitted two sections by spiral shell rib
The bottom that spew groove is formed between upper spiral shell rib is gradually reduced, and the depth of spew groove gradually deepens, and the helical groove of transfer part
Bottom gradually raise, depth of groove gradually becomes shallower as, material to spiral shell rib side transmit, so as to force material to be transferred to machine from screw rod
Screw rod is passed back to from machine barrel again on cylinder, simultaneously because the hand of spiral of the groove on machine barrel and the groove direction of spiral shell rib are on the contrary, thing
Material is subject to the shearing force that groove and the relative motion of spiral shell rib produce when travelling forward all the time, finally, realize material in screw rod and
Intensive differential transmission and intensive shear between machine barrel, make material screw rod axially and radially on be all sufficiently kneaded.
And the quantity and physical dimension of groove and spew groove determine the unit size size that material is transmitted, this extruder is at one
Zonule cohesion concentrates multiple sizing material cut points, reaches the shear effect not available for other plasticizing machinery equipment.
Claims (10)
1. a kind of delivery type extruder, including machine barrel and the screw rod (1) that is arranged in machine barrel, feed inlet is provided with the machine barrel
With discharge port, be provided with the screw rod (1) can extruded material spiral shell rib, machine barrel and screw rod are stretched out in the end of the screw rod (1)
Driving device (5) is connected, it is characterised in that：The front portion of the screw rod (1) is provided with pass segment (C), the bar of the screw rod (1)
Body diameter on pass segment (C) first gradually increase after be gradually reduced, machine barrel with pass segment (C) opposite position at be provided with biography
Portion is passed, diameter of bore and the shank diameter of the transfer part, which are corresponding in turn to after ground first gradually increases, to be gradually reduced, the transfer part
Inner wall on be positioned apart from spiral helicine groove (43), the spiral shell rib is revolvably embedded at the groove of correspondence position
(43)。
2. delivery type extruder according to claim 1, it is characterised in that：The screw rod (1) includes feed zone (A), melts
Melt section (B), pass segment (C) and extruding zone (D), the pass segment (C) includes transmitting one section (C1) with transmitting two sections (C2), the body of rod
Diameter gradually increases on one section (C1) is transmitted and is gradually reduced on two sections (C2) are transmitted.
3. delivery type extruder according to claim 2, it is characterised in that：It is described to transmit one section (C1) with transmitting two sections
(C2) length ratio is 2.5~1.5.
4. delivery type extruder according to claim 2, it is characterised in that：Feed zone (A), melt zone (B), pass segment
(C) with the end of spiral shell rib on extruding zone (D) is smooth successively is connected, set on the spiral shell rib of the feed zone (A) and be improved material extrusion
The material extrusion recess (11) of effect.
5. according to any delivery type extruder in Claims 1-4, it is characterised in that：The groove (43) is at equal intervals
Ground is arranged on the inner wall of transfer part, by the bar at the edge of inner wall expansion rearward recess (43) and pass segment (C) where groove (43)
The edge of spiral shell rib intersects vertically successively after external surface expansion.
6. according to any delivery type extruder in Claims 1-4, it is characterised in that：The machine barrel includes machine barrel one
Section and two sections of machine barrel, the transfer part are arranged on the front end of two sections of machine barrel, the rear end that one section of machine barrel and the front end pair of two sections of machine barrel
Linked together after conjunction by fixing device.
7. delivery type extruder according to claim 6, it is characterised in that：The transfer part, which is arranged on, to be shirked in section (4),
The section (4) of shirking is arranged in the inner cavity of two sections of front ends of machine barrel in which can shirk, and the front end for shirking section (4) is provided with and can stretch
Go out the connection ring (41) of two sections of machine barrel, the front end of two sections of rear end, connection ring (41) and the machine barrel that one section of machine barrel is bonded and leads to successively
Attachment screw is crossed to link together.
8. delivery type extruder according to claim 7, it is characterised in that：One section of the machine barrel includes one section of overcoat (21)
With one section of inner sleeve (2), two sections of the machine barrel includes two sections of overcoats (31) and two sections of inner sleeves (3), one section of overcoat (21), two sections
Be respectively arranged with the side wall of overcoat (31) through one section of overcoat (21), one section of limbers (22) of two sections of overcoats (31), two sections
Limbers (32), one section of inner sleeve (2), two sections of inner sleeves (3) outer wall on be respectively arranged with what is be connected with limbers (22)
One section of water cooling groove (23), two sections of water cooling grooves (33).
9. delivery type extruder according to claim 8, it is characterised in that：The front end of two sections of inner sleeves (3) is provided with
Junction surface (34), the section (4) of shirking are arranged in junction surface (34), and the connection ring (41) for shirking section (4) stretches out junction surface
(34) front end with junction surface (34), one section of overcoat (21) are connected, and bushing is provided with the inner cavity of two sections of inner sleeves (3)
(35), the end of the bushing (35) is mutually contacted with shirking the rear end of section (4).
10. delivery type extruder according to claim 9, it is characterised in that：It is provided with the outer wall for shirking section (4)
A section water cooling groove (42) is shirked, is provided with what can be connected with shirking section water cooling groove (42) on the side wall of the junction surface (34)
Shirk a section limbers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721245681.3U CN207327559U (en) | 2017-09-26 | 2017-09-26 | Delivery type extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721245681.3U CN207327559U (en) | 2017-09-26 | 2017-09-26 | Delivery type extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207327559U true CN207327559U (en) | 2018-05-08 |
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ID=62370037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721245681.3U Active CN207327559U (en) | 2017-09-26 | 2017-09-26 | Delivery type extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207327559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109049615A (en) * | 2018-07-18 | 2018-12-21 | 金杯电工衡阳电缆有限公司 | Extruder barrel improved structure |
-
2017
- 2017-09-26 CN CN201721245681.3U patent/CN207327559U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109049615A (en) * | 2018-07-18 | 2018-12-21 | 金杯电工衡阳电缆有限公司 | Extruder barrel improved structure |
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