CN206733560U - One kind cone double machine barrel - Google Patents
One kind cone double machine barrel Download PDFInfo
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- CN206733560U CN206733560U CN201621495840.0U CN201621495840U CN206733560U CN 206733560 U CN206733560 U CN 206733560U CN 201621495840 U CN201621495840 U CN 201621495840U CN 206733560 U CN206733560 U CN 206733560U
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Abstract
One kind cone double machine barrel, include cylinder, the inner chamber of cylinder is two bellmouths for being used to accommodate twin-screw, bellmouth hole wall is intersecting and angle between the axis of bellmouth and the central axis of cylinder is equal, the vertical cross-section of two bellmouths is shaped as the intersecting circle that two centers of circle are located in same horizontal line, and the radius of two bellmouths on same section is equal, two bellmouths of cylinder are gradually reduced respectively from charging aperture to discharging opening, the distance of circle center line connecting is 1: 1.15~1.25 with single circular diameter ratio, it is spaced on the inwall of the cylinder and is axially inlaid with wear rib, the cylinder lumen surface is provided with wearing layer.It the advantage is that：Material extrusion effect is good；The abrasion of cylinder inboard wall can be effectively reduced, extends the service life of cylinder；Wear rib can be fixed with wearing layer buckle, be connected firmly, be not readily separated, and in processing, mixed powder can be placed between dovetail shaped convex portion, and sizing is convenient, both improves processing efficiency, and the manufactured uniform fixed effect of cylinder wearing layer is good.
Description
Technical field
A kind of machine barrel manufacture technology field is the utility model is related to, especially a kind of firm wear-resisting cone double machine barrel.
Background technology
A kind of existing Patent No. CN201410149275.1 is entitled《Inlay the cone double machine barrel of high abrasion base material》In
State's patent of invention discloses a kind of cone double machine barrel for inlaying high abrasion base material, including machine barrel extruding zone overcoat, high abrasion base material cone
The wear-resisting nested structure of shape, high-strength screw, machine barrel back segment, the machine barrel for inlaying high abrasion base material can meet the extrusion of material, more
The extrusion of high inserts is applicable, and is changed quickly, conveniently, cost is low；The invention and prior art control, its effect is obvious
The wearability of machine barrel is improved, spent material is wide, reduces the characteristics such as production cost.However, the cone double machine barrel inwall is wear-resisting
Performance is still not ideal enough, therefore the structure of the cone double machine barrel also needs further to improve.
The content of the invention
Technical problem to be solved in the utility model is provided a kind of firm wear-resisting for above-mentioned state of the art
Cone double machine barrel.
Technical scheme is used by the utility model solves above-mentioned technical problem：This cone double machine barrel, include cylinder, institute
The inner chamber for stating cylinder is two bellmouths for being used to accommodate twin-screw, and the bellmouth hole wall intersects and the axis and cylinder of bellmouth
Angle between the central axis of body is equal, and the vertical cross-section of two bellmouths is shaped as two centers of circle and is located in same horizontal line
Intersecting circle, and the radius of two bellmouths on the same section is equal, and two bellmouths of the cylinder are from charging aperture
It is gradually reduced respectively to discharging opening, it is characterised in that：The distance of the circle center line connecting is 1: 1.15~1.25 with single circular diameter ratio,
It is spaced on the inwall of the cylinder and is axially inlaid with wear rib, the cylinder lumen surface is provided with wearing layer.
As an improvement, the wear rib outer surface is preferably protruded from the respective inner walls of bellmouth respectively, it is adjacent in left and right
Wearing layer is provided between two wear ribs, the surface of the wear rib and the surface of wearing layer form the wear-resisting interior table of cylinder
Face.
Further improve, the end face of the wear rib is preferably respectively in matched on dovetail shaped, with cylinder inboard wall
Dovetail shaped groove mutually fix together, the both sides width of wear rib projection is greater than corresponding dovetail shaped slot opening
The width on both sides.
Further improvement, the wear rib preferably protrusion is by the height of design requirement, thickness and the height of the wearing layer
Spend identical.
Further improve, the height is preferably 2~6mm.
As an improvement, the width of the wear rib is preferably 30~50mm, the adjacent wear rib to corresponding taper
Angle between axially bored line is 15 °~60 °.
As an improvement, the stepped cylinder that the cylinder preferably forms for grading mode sectional making, described stepped
Cylinder includes independently manufactured feed zone, material extrusion section and discharging section, the feed zone, and material extrusion section passes through with discharging section to be connected
Mechanism is connected in turn, the feed zone, and the cylinder external diameter of material extrusion section and discharging section is sequentially reduced, the length of the feed zone
Spend for 1600~1750mm, the length of the material extrusion section is 1300~1450mm, the length of the discharging section for 1150~
1300mm。
Further improve, it is one section big with two sections of charging, the barrel diameter of one section of the charging that the feed zone includes charging
In two sections of barrel diameter of charging, the material extrusion section includes two sections of one section of material extrusion and material extrusion, the barrel diameter of one section of the material extrusion
Barrel diameter of two sections more than material extrusion, one section of the material extrusion it is upper with two sections of connection ends being connected of charging, the discharging section and
Two sections of connection ends being connected of material extrusion are respectively arranged with adpting flange, fixed via are provided with the adpting flange, with material extrusion
Fed corresponding to one section on two sections of end face, material extrusion corresponding with discharging section is respectively arranged with and fixed via phase on two sections of end faces
Corresponding connection through hole, together with the connection through hole is connected by screw with fixed via, what is be connected with adpting flange is crowded
Annular groove is respectively arranged with one section of side wall of material, in the side wall of discharging section that is connected with adpting flange, the annular is recessed
Side is equipped with groove can be with the spacing ring for screwing face and mutually contacting of screw.
Further improve, the cylinder is preferably metal cylinder, and two sections of the material extrusion section, discharging section and charging are
Alloy cylinder made of 40Cr or 42CrMo.
As an improvement, the wearing layer is preferably nickel base alloy layer made of NiCrWcCoB alloys, the nickel-base alloy
The formula of layer is made up of following composition：In 100 parts by weight：The parts by weight of copper 3.5~4, the parts by weight of iron 1.5~2, molybdenum 4.1~4.5
Parts by weight, the parts by weight of chromium 18~20, the parts by weight of boron 5.5~7.5, the parts by weight of carbon 0.4~0.8, remaining is nickel；The wearing layer
Preparation method, comprise the steps of；Above-mentioned formula is mixed into mixed powder, and adds bonding agent, and mixed powder is stirred
It is even to fill in mixing bonding material on machine tube inner wall into bonding material is mixed, then by drum rolling, then mixing bonding material will be scribbled
Machine barrel, which is placed in vacuum drying oven, is heated up to 1200~1250 DEG C, is incubated 10~11 hours, then natural cooling normal temperature, then the machine by normal temperature
Cylinder, which is placed in 500~550 DEG C of vacuum drying oven, to be tempered 4 to 5 hours；Machine barrel after tempering is taken out from vacuum drying oven, polished place
Reason, is made the wearing layer in cylinder.
Compared with prior art, the utility model has the advantage of：The distance and Dan Yuan of the circle center line connecting of two bellmouths
Diameter ratio is 1: 1.15~1.25, avoids the distance between two bellmouths excessive or too small, enables two screw rod screw thread distances
Suitably and alternately it is arranged in the inner chamber of bellmouth, material extrusion effect is good；Be spaced on the inwall of cylinder be axially inlaid with it is resistance to
Abrasive stick, cylinder lumen surface are provided with wearing layer, and wearing layer improves the anti-wear performance of cylinder inboard wall with wear rib, improves cylinder
Internal stress state, biasing effect of the material to cylinder inboard wall is balanced, reduce high temperature influence of crust deformation to caused by cylinder, and it is resistance to
Abrasive stick outer surface is protruded from the respective inner walls of bellmouth respectively, and wearing layer is arranged between adjacent two wear ribs in left and right, wear-resisting
The surface of bar and the surface of wearing layer form the wear-resisting inner surface of cylinder, and material is not direct to be contacted with cylinder inboard wall, but resistance to
Compressional deformation on the mixing wear-resistant surface of layer and wear rib composition is ground, accordingly, it is capable to effectively reduce the abrasion of cylinder inboard wall, extends cylinder
Service life；Further, the end face of wear rib is respectively in dovetail shaped groove phase matched on dovetail shaped, with cylinder inboard wall
Mutually fixing together, the both sides width of wear rib projection is greater than the width on corresponding dovetail shaped slot opening both sides, this
Sample wear rib can be fixed with wearing layer buckle, be connected firmly, be not readily separated, and in processing, mixed powder can be placed in dovetail shaped convex portion
Between, sizing is convenient, both improves processing efficiency, and the manufactured uniform fixed effect of cylinder wearing layer is good；Cylinder uses grading side
The stepped cylinder that formula sectional making forms, one section of abrasion can be individually replaced when more serious, cost-effective, stepped cylinder
Materiel machining requirement can be met, can also mitigate weight as much as possible, manufacturing cost is reduced, simultaneously as the end of cylinder is torn open
Point visible, the wear rib of serious wear can move taking-ups by the means such as tapping along axis, and it is convenient to change, and further reduction is more
Change this into.
Brief description of the drawings
Fig. 1 is the front projection figure after the utility model embodiment is cut away half along axis；
Fig. 2 is in profile when not cuing open state along line D-D in Fig. 1；
Fig. 3 is in profile when not cuing open state along E-E lines in Fig. 1；
Fig. 4 is the enlarged drawing of I parts in Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Figures 1 to 4, the cone double machine barrel of the present embodiment, cylinder 1 is included, the inner chamber of the cylinder 1 is two use
It is intersecting and between the axis of bellmouth and the central axis of cylinder 1 in the bellmouth for accommodating twin-screw, the bellmouth hole wall
Angle is equal, and the vertical cross-section of two bellmouths is shaped as the intersecting circle that two centers of circle are located in same horizontal line, and positioned at same
The radius of two bellmouths on one section is equal, and two bellmouths of the cylinder 1 are distinguished gradual from charging aperture to discharging opening
Reduce, the distance S of the circle center line connecting is 1: 1.15~1.25 with single circular diameter D ratios, the spacing shaft on the inwall of the cylinder 1
Wear rib 3 is inlaid with to ground, the cylinder lumen surface is provided with wearing layer 2.The outer surface of wear rib 3 is respectively from bellmouth
Respective inner walls protrusion, be provided with wearing layer 2 between adjacent two wear ribs 3 in left and right, the surface of the wear rib 3 with it is wear-resisting
The surface of layer 2 forms the wear-resisting inner surface of cylinder 1.The end face of the wear rib 3 respectively on dovetail shaped, with cylinder inboard wall with its
The dovetail shaped groove being adapted mutually fixes together, and the both sides width of the projection of wear rib 3 is greater than corresponding dovetail shaped
The width on slot opening both sides.The protrusion of wear rib 3 is by the height H of design requirement, thickness and the height H of the wearing layer 2
It is identical.The height H is 2~6mm.The width of the wear rib 3 is 30~50mm, and the adjacent wear rib 3 is bored to corresponding
Angle between shape axially bored line is 15 °~60 °.The cylinder 1 is the stepped cylinder that grading mode sectional making forms, described
Stepped cylinder includes independently manufactured feed zone A, material extrusion section B and discharging section C, and the feed zone A, B is with going out for material extrusion section
Material section C is connected in turn by bindiny mechanism, and the feed zone A, material extrusion section B and discharging section C cylinder external diameter subtract successively
Small, the length of the feed zone A is 1600~1750mm, and the length of the material extrusion section B is 1300~1450mm, the discharging section
C length is 1150~1300mm.The feed zone A includes two sections of A2 of one section of A1 of charging and charging, described one section of A1's of charging
Barrel diameter is more than two sections of A2 of charging barrel diameter, and the material extrusion section B includes two sections of B2 of one section of B1 of material extrusion and material extrusion, described to squeeze
Expect that one section of B1 barrel diameter is more than two sections of B2 of material extrusion barrel diameter, be connected on described one section of B1 of material extrusion with two sections of A2 of charging
Connection end, be respectively arranged with adpting flange, the connection method with two sections of B2 of material extrusion connection ends being connected on the discharging section C
Fixed via 11 is provided with orchid, on two sections of A2 of charging corresponding with one section of B1 of material extrusion end face, material extrusion corresponding with discharging section C
The connection through hole corresponding with fixed via 11 is respectively arranged with two sections of B2 end faces, the connection through hole and fixed via 11 are logical
Cross screw 4 to link together, in the side wall for the one section of B1 of material extrusion being connected with adpting flange, the discharging that is connected with adpting flange
Annular groove is respectively arranged with section C side wall, side is equipped with the annular groove mutually to be contacted with the face that screws of screw 4
Spacing ring 5.The cylinder 1 is metal cylinder, the material extrusion section B, discharging section C and charging two sections of A2 be 40Cr or
Alloy cylinder made of 42CrMo.The wearing layer 2 is nickel base alloy layer made of NiCrWcCoB alloys, the nickel-base alloy
The formula of layer is made up of following composition：In 100 parts by weight：The parts by weight of copper 3.5~4, the parts by weight of iron 1.5~2, molybdenum 4.1~4.5
Parts by weight, the parts by weight of chromium 18~20, the parts by weight of boron 5.5~7.5, the parts by weight of carbon 0.4~0.8, remaining is nickel；The wearing layer 2
Preparation method, comprise the steps of；Above-mentioned formula is mixed into mixed powder, and adds bonding agent, and mixed powder is stirred
Uniformly into mixing bonding material, mixing bonding material is filled on machine tube inner wall, then by drum rolling, then mixing bonding material will be scribbled
Machine barrel be placed in vacuum drying oven and be heated up to 1200~1250 DEG C, be incubated 10~11 hours, then natural cooling normal temperature, then by normal temperature
Machine barrel is placed in 500~550 DEG C of vacuum drying oven and is tempered 4 to 5 hours；Machine barrel after tempering is taken out from vacuum drying oven, it is polished
Processing, is made the wearing layer in cylinder.The bonding agent is：For the glue of bonding, polyurethane can be dissolved in toluene
Oiliness shape glue.
Claims (9)
1. one kind cone double machine barrel, include cylinder (1), the inner chamber of the cylinder (1) is two tapers for being used to accommodate twin-screw
Hole, the bellmouth hole wall is intersecting and the axis of bellmouth is equal with the angle between the central axis of cylinder (1), two tapers
The vertical cross-section in hole is shaped as the intersecting circle that two centers of circle are located in same horizontal line, and two tapers on same section
The radius in hole is equal, and two bellmouths of the cylinder (1) are gradually reduced respectively from charging aperture to discharging opening, it is characterised in that：
The distance (S) of the circle center line connecting than being 1: 1.15~1.25, is spaced with single circular diameter (D) on the inwall of the cylinder (1)
Wear rib (3) is axially inlaid with, the cylinder lumen surface is provided with wearing layer (2).
2. cone double machine barrel according to claim 1, it is characterised in that：Wear rib (3) outer surface is respectively from bellmouth
Respective inner walls protrusion, wearing layer (2), the surface of the wear rib (3) are provided between adjacent two wear ribs (3) in left and right
The wear-resisting inner surface of cylinder (1) is formed with the surface of wearing layer (2).
3. cone double machine barrel according to claim 2, it is characterised in that：The end face of the wear rib (3) is in dovetail shaped respectively,
Together with mutually being fixed with dovetail shaped groove matched on cylinder inboard wall, the both sides width of wear rib (3) projection
It is greater than the width on corresponding dovetail shaped slot opening both sides.
4. cone double machine barrel according to claim 3, it is characterised in that：Wear rib (3) protrusion presses the height of design requirement
Spend (H), the thickness of the wearing layer (2) is identical with height (H).
5. cone double machine barrel according to claim 4, it is characterised in that：The height (H) is 2~6mm.
6. according to any described cone double machine barrel in claim 1 to 5, it is characterised in that：The width of the wear rib (3) is 30
~50mm, the angle that the adjacent wear rib (3) is arrived between corresponding taper axially bored line are 15 °~60 °.
7. according to any described cone double machine barrel in claim 1 to 5, it is characterised in that：The cylinder (1) is grading mode point
The stepped cylinder that is made of section, the stepped cylinder include independently manufactured feed zone (A), material extrusion section (B) with
Discharging section (C), the feed zone (A), material extrusion section (B) are connected in turn with discharging section (C) by bindiny mechanism, it is described enter
Expect section (A), material extrusion section (B) and the cylinder external diameter of discharging section (C) be sequentially reduced, and the length of the feed zone (A) is 1600~
1750mm, the length of the material extrusion section (B) is 1300~1450mm, and the length of the discharging section (C) is 1150~1300mm.
8. double machine barrel is bored according to claim 7, it is characterised in that：The feed zone (A) includes charging one section (A1) with entering
Expect two sections (A2), the barrel diameter of the charging one section (A1) is more than the barrel diameter of charging two sections (A2), the material extrusion section (B)
Including one section of material extrusion (B1) and material extrusion two sections (B2), the barrel diameter of the material extrusion one section (B1) is more than the cylinder of material extrusion two sections (B2)
Body diameter, on the connection end being connected with charging two sections (A2) on one section of the material extrusion (B1), the discharging section (C) with material extrusion two
The connection end that section (B2) is connected is respectively arranged with adpting flange, and fixed via (11) is provided with the adpting flange, with squeezing
Corresponding to one section of material (B1) on the end face of charging two sections (A2), on two sections of (B2) end faces of material extrusion corresponding with discharging section (C) respectively
The connection through hole corresponding with fixed via (11) is provided with, the connection through hole is connected with fixed via (11) by screw (4)
It is connected together, in the side wall for the material extrusion one section (B1) being connected with adpting flange, the discharging section (C) that is connected with adpting flange
Annular groove is respectively arranged with side wall, side is equipped with the annular groove to screw what face mutually contacted with screw (4)
Spacing ring (5).
9. cone double machine barrel according to claim 8, it is characterised in that：The cylinder (1) is metal cylinder, the material extrusion section
(B), discharging section (C) and charging two sections (A2) are alloy cylinder made of 40Cr or 42CrMo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621495840.0U CN206733560U (en) | 2016-12-28 | 2016-12-28 | One kind cone double machine barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621495840.0U CN206733560U (en) | 2016-12-28 | 2016-12-28 | One kind cone double machine barrel |
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| Publication Number | Publication Date |
|---|---|
| CN206733560U true CN206733560U (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621495840.0U Active CN206733560U (en) | 2016-12-28 | 2016-12-28 | One kind cone double machine barrel |
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| CN (1) | CN206733560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626318A (en) * | 2016-12-28 | 2017-05-10 | 浙江光明塑料机械有限公司 | Conical dual machine tube |
-
2016
- 2016-12-28 CN CN201621495840.0U patent/CN206733560U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626318A (en) * | 2016-12-28 | 2017-05-10 | 浙江光明塑料机械有限公司 | Conical dual machine tube |
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