CN102126283B - Calibrator for die head of extruding machine - Google Patents
Calibrator for die head of extruding machine Download PDFInfo
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- CN102126283B CN102126283B CN201010587338.3A CN201010587338A CN102126283B CN 102126283 B CN102126283 B CN 102126283B CN 201010587338 A CN201010587338 A CN 201010587338A CN 102126283 B CN102126283 B CN 102126283B
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- die head
- connecting portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a calibrator for a die head of an extruding machine, which is convenient for calibrating the die head. The calibrator comprises a core die connecting part, wherein at least two unfolding and positioning structures are uniformly distributed along the circumferential direction of the core die connecting part; one ends of the unfolding and positioning structures are movably connected with control structures to form connection ends, and the other ends of the unfolding and positioning structures form positioning ends; and when the control structures drive the connection ends of the unfolding and positioning structures, respective positioning ends are separated from each other, and unfold at the same angle by taking the axis line of the core die connecting part as a reference line. The unfolded positioning ends can be used for accurately and quickly determining whether gaps between a mouth die and the core die are uniform; and if the gaps are nonuniform, the position of the core die can be correspondingly adjusted through a gap adjusting screw on the mouth die to realize uniform gaps.
Description
Technical field
The present invention relates to a kind of for calibrating the calibrator of extruder die head.
Background technology
Along with social development, the application of plastic product is more and more extensive, and plastic pipe is because its good performance has replaced traditional pipe of cement and steel pipe.The conventional equipment for the production of plastic pipe is extruder, when tubing is produced, need to calibrate extruder die head (comprising the core of mouthful mould and mouthful mould inside), by adjusting the position of core, make the gap between core and mouthful mould even, because the plastic warp of fluid state is crossed extrusion modling behind this gap, form final tubing, therefore only make the gap between core and mouthful mould even, the wall thickness of the tubing of producing is like this just even, otherwise, there will be tube wall thickness inequality, affect the normal use of tubing.And traditional calibrating mode is by manually by rule of thumb core being adjusted, first by experienced workman, core and the relative position of mouthful mould are estimated, by the gap adjustment screws on mouth mould, the position of core is adjusted again, even to realize gap between core and mouthful mould, the deficiency of this calibrating mode is: artificial larger to the estimation deviation in gap, the definite adjustment direction of more difficult definite core, the uniformity of tube wall thickness is difficult to ensure card.In addition, also having some modes is at present by precision instrument, die head to be calibrated, although this mode can be calibrated die head, because the cost of precision instrument is higher, needs professional to operate, and complicated operation, and maintenance is inconvenient, and the alignment time is longer.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of calibrator for die head of extruding machine that can calibrate extruder die head easy to use.
The technical solution adopted for the present invention to solve the technical problems is: calibrator for die head of extruding machine, comprise core connecting portion, along core connecting portion, be circumferentially evenly equipped with at least two and launch location structure, one end of described expansion location structure is flexibly connected with control structure, form link, the other end forms positioning end, and when control structure drives while launching the link of location structure, each positioning end is separated from each other and opens take the axial line of core connecting portion as datum line equal angles.
Further: all expansion location structures are synchronized with the movement.
Further: the arc plate that described positioning end is evagination, the orthographic projection of the string that the circular arc of described arc plate is corresponding is vertical with the orthographic projection of the axial line of core connecting portion.
Further: described control structure comprises drives structure and pedestal, on described pedestal, be provided with position limiting structure, described drives structure is along position limiting structure rectilinear motion; In drives structure, be fixed with attaching parts, described attaching parts are flexibly connected with the link that launches location structure; On pedestal, be provided with support component, the link that launches location structure tilts to be overlapped on support component, while moving towards pedestal under attaching parts that link is being driven by drives structure drive, each link is subject to drag effect that support component applies and is separated from each other and drives each positioning end to be separated from each other and open take the axial line of core connecting portion as datum line equal angles.
Further: described support component comprises and launches the identical and support bar one to one of location structure quantity, one end of described support bar is connected with pedestal, the other end forms free end, and the link that launches location structure tilts to be overlapped on the free end of corresponding support bar.
Further: the bearing of trend of described support bar is parallel with the linear movement direction of drives structure.
Further: between the link of described expansion location structure and the free end of support bar, be provided with the sheave being connected with the free end of support bar, the link inclination that launches location structure is overlapped on sheave and with sheave rolls and coordinate.
Further: between described drives structure and the link of expansion location structure, be connected with elastomeric element.
Further: described position limiting structure comprises the screwed hole being arranged on pedestal, described drives structure comprises the screwed part being threaded with screwed hole.
Further: described pedestal and core connecting portion design for integral type.
The invention has the beneficial effects as follows: calibrator of the present invention can be by being first connected core with core connecting portion, by control structure, drive the positioning end that launches location structure to open again, owing to launching location structure, take the axial line of core connecting portion as datum line equal angles, open, make the positioning end that launches location structure can be used as core and a mouthful object of reference for mould position relationship, and then can conveniently judge that whether the gap between core and mouthful mould is even.If the gap between core and mouthful mould is inhomogeneous, by the gap adjustment screws on mouth mould, core position is regulated, can reach the uniform object in gap making between core and mouthful mould.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of calibrator for die head of extruding machine of the present invention;
Fig. 2 is the schematic diagram of pedestal and core connecting portion;
Fig. 3 is the schematic diagram that is provided with the support bar of sheave;
Fig. 4 is the cross-sectional view of arc plate and core connecting portion position relation;
Fig. 5 is the schematic diagram that the positioning end of expansion location structure opens as datum line equal angles take the axial line of core connecting portion;
Whether uniformly Fig. 6 determines the gap schematic diagram between core and mouthful mould by calibrator of the present invention.
In figure, be labeled as: 1-launches location structure, 2-support component, 3-elastomeric element, 4-attaching parts, 5-drives structure, 6-pedestal, 7-core connecting portion, 8-mouth mould, 9-gap adjustment screws, 10-core, 11-endoporus, 12-position limiting structure, 13-arc plate, 14-sheave, 15-positioning end, 16-gap, 17,18-angle, 19-axial line, 20-link, 21-support bar, 22-free end.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
As shown in Figures 1 to 6, calibrator for die head of extruding machine, comprise core connecting portion 7, along core connecting portion 7, be circumferentially evenly equipped with at least two and launch location structure 1, one end of described expansion location structure 1 is flexibly connected with control structure, forms link 20, and the other end forms positioning end 15, when control structure drives while launching the link 20 of location structure 1, each positioning end 15 is separated from each other and opens take the axial line of core connecting portion 7 as datum line equal angles.Above-mentioned each positioning end 15 is separated from each other and opens is that each positioning end 15 is radial with respect to core connecting portion and opens.Above-mentioned flexible connection can be hinged, bulb connection etc.
During use, after core 10 is connected with core connecting portion 7, the axial line that guarantees core connecting portion 7 overlaps with the axial line of core 10, the positioning end 15 that can guarantee like this to launch location structure 1 is also to launch with the axial line equal angles of core 10, thus the gap 16 whether uniform object of reference of positioning end 15 that can be after opening between mouthful mould 8 and core 10.The positioning end 15 that launches location structure 1 opens as datum line equal angles each positioning end 15 referring to after opening take the axial line of core connecting portion 7 and all equates with the angle of the axial line of core connecting portion 7, as shown in Figure 5, take the axial line 19 of core connecting portion as datum line, 2 positioning ends 15 equate with angle 18 with the angle 17 that axial line forms respectively, certainly also can be as shown in Figure 1, positioning end after opening 15 is 0 degree with the angle of the axial line of core connecting portion, with the axis parallel of core connecting portion.While arranging, can make each initial position that launches the positioning end 15 of location structure 1 (position before not opening) identical with the angle of the axial line of core connecting portion 7, after driving the positioning end 15 of all expansion location structures 1 to open with equal angular by control structure again, can guarantee that each positioning end 15 after opening is identical with the angle of the axial line of core connecting portion 7, for example, before opening, the axis parallel of each positioning end 15 and core connecting portion 7, after driving all positioning ends 15 to open with equal angular by control structure again, can make each positioning end 15 all identical with the axial line angle of core connecting portion 7, also can be: before opening, each positioning end 15 identical with the angle of the axial line of core connecting portion 7 (institute's angle is not equal to 0 degree), after opening, the axis parallel (institute's angle equals 0 degree) of each positioning end 15 and core connecting portion 7.In addition, above-mentioned expansion location structure 1 can be rod-like structure or laminated structure etc., launching the shape of location structure 1 can set according to actual conditions, example expansion location structure 1 as shown in Figure 1 can be the shaft-like or platy structure that comprises multiple folding sections, link 20 is wherein one section of rod-like structure or platy structure, and positioning end 15 is wherein one section of rod-like structure or laminated structure.Above-mentioned core connecting portion 7 can be socketed with core 10 by the endoporus 11 arranging on it, can be matched in clearance or excessive coordinate etc. between core 10 and endoporus 11; Core connecting portion 7 also can be connected with core 10 by clamping or alternate manner.In addition, by the one group of circumferential uniform expansion location structure 1 along core connecting portion 7, the gap between mouth mould 8 and core 10 evenly can be divided into N part, the quantity of N equates with the quantity of launching location structure, for example comprise that 4 are launched location structure 1,4 expansion location structures 1 can be divided into above-mentioned gap 4 regions, whether more accurate when even by calibrator measurement clearance of the present invention like this, therefore the gap after calibration is also more even.The quantity of above-mentioned expansion location structure 1 is more, and the umber that soon gap is divided equally is more, and the gap after calibration is more even.
While using calibrator of the present invention to calibrate die head, the link 20 that launches location structure 1 with control structure driving moves, each positioning end 15 is separated from one another and open take the axial line of core connecting portion 7 as datum line equal angles, then the gap length of measuring between mouthful mould and core by positioning end 15, metering system can have multiple, as shown in Figure 6, can be by the positioning end after opening 15 gradually near the end of mouthful mould until contact with mouth mould end, if some end of launching location structure cannot contact with the end of mouth mould, the gap between explanation mouthful mould and core is inhomogeneous, by gap adjustment screws, adjust accordingly the position of core, until the positioning end 15 of all expansion location structures can contact with the end of mouth mould.Above-mentioned metering system can also have multiple, as long as a position on selected mouthful of mould is as with reference to position, a position on selected above-mentioned positioning end 15 is as comparison position again, by reference to position and the contrast of comparing position, whether evenly can detect above-mentioned gap, preferred embodiment is: after core connecting portion 7 is connected with core 10, in the gap 16 of the positioning end 15 of expansion location structure 1 between mouth mould 8 and the core 10 of extruder die head.Adopt said structure, by control structure, the positioning end 15 that launches location structure 1 is constantly opened, until launch the positioning end 15 of location structure 1, contact with the inwall of mouthful mould 8, as shown in Figure 1, at this moment, if the positioning end 15 of all expansion location structures 1 all contacts with the inwall of mouth mould 8, the gap between explanation mouthful mould 8 and core 10 is substantially even, if some positioning end 15 that launches location structure 1 cannot contact with the inwall of mouthful mould 8, illustrate that above-mentioned gap is inhomogeneous, do not have the gap of 15 corresponding positions of positioning end that contact larger, therefore need core 10 to adjust position to dwindle above-mentioned larger gap by gap adjustment screws 9, finally make all positioning ends 15 all contact with the inwall of mouth mould 8, adjust complete.Because the positioning end 15 after opening can directly contact with the inwall of mouth mould 8, therefore can directly observe out the gap length of each position, efficient and convenient, improved the calibration efficiency to die head.On the basis of the above, when described core 10 is plug, in order to calibrate in the gap of being further convenient between counterpart mould 8 and core 10, as shown in Figure 4, the arc plate that described positioning end 15 is evagination, the orthographic projection of the string that the circular arc of described arc plate 13 is corresponding is vertical with the orthographic projection of the axial line of core connecting portion 7, adopt said structure, can the position of all arc plates 13 be adjusted to by control structure and make the axial line of all arc plates 13 and the axis parallel of core connecting portion, as shown in Figure 4, the inner space that all arc plates 13 are surrounded is round tube shape.When core 10 is plug, mouth mould 8 inwalls are arc, die head is now for the production of tubing, positioning end 15 can increase and the inwall contact area of mouth mould 8 for arc plate 13, increased measured zone, can reduce accordingly the magnitude setting that launches location structure 1, simplify the structure of calibrator of the present invention, for example only need be along core connecting portion 74 expansion positioning mechanisms 1 are circumferentially evenly set, the positioning end 15 of each expansion location structure 1 is arc plate 13, the large I of arc plate 13 is set according to the size of mouth mould 8, like this after arc plate 13 opens, the inwall of mouth mould 8 can be covered substantially, and the gap between mouth mould 8 and core 10 can be divided into 4 regions, both facilitated the uniformity in gap was measured, also facilitate gap is adjusted.
In order to further facilitate use, all expansion location structures 1 are synchronized with the movement, and each positioning end 15 that launches location structure 1 opens take the axial line of core connecting portion 7 as the synchronous equal angles of datum line.Without the link of each expansion location structure 1 is driven respectively, the link of all expansion location structures 1 can drive by same controller like this.
The embodiment of above-mentioned control structure has multiple, for example control structure comprises support and control lever, support is flexibly connected and forms leverage with the link that launches location structure 1, control lever is by pressing down the link that launches location structure 1, the other end (positioning end) that can make to launch location structure 1 upwarps, reach and make the object that positioning end is separated from one another with respect to core connecting portion and open, in addition, as long as the distance that control connection end presses down can accurately be controlled the angle that positioning end opens.
Preferred embodiment is: described control structure comprises drives structure 5 and pedestal 6, on described pedestal 6, is provided with position limiting structure 12, and described drives structure 5 is along position limiting structure 12 rectilinear motions; In drives structure 5, be fixed with attaching parts 4, described attaching parts 4 are flexibly connected with the link that launches location structure 1; On pedestal 6, be provided with support component 2, the link 20 that launches location structure 1 tilts to be overlapped on support component 2, while moving towards pedestal 6 under the attaching parts 4 that link 20 is being driven by drives structure 5 drive, each link 20 is subject to drag effect that support component 2 applies and is separated from each other and drives each positioning end 15 to be separated from each other and open take the axial line of core connecting portion 7 as datum line equal angles.During use, as shown in Figure 1, by drives structure 5, along position limiting structure 12 rectilinear motions, drive attaching parts 4 moving linearlies in drives structure 5, when drives structure 5 moves linearly towards pedestal 6, the link 20 of the expansion location structure 1 being flexibly connected in attaching parts 4 should move along a straight line under the drive of attaching parts 4, but because link 20 tilts to be overlapped on the drag effect that is subject to support component 2 on support component 2 and in moving process, therefore, under the effect of support component 2, link 20 rotates with respect to attaching parts 4, be that link 20 is separated from one another and open gradually, link 20 separated from one another opening gradually can drive link 15 separated from one another and open gradually.In addition, can control by a drives structure 5 and position limiting structure 12 link 20 of all expansion location structures 1 simultaneously, in a drives structure 5, by attaching parts 4, drive the link 20 of all expansion location structures 1 simultaneously; A control structure is set also can to each expansion location structure 1, just this set can make complex structure, is also not easy to use.
The embodiment of above-mentioned drives structure and position limiting structure can have multiple, and for example, described drives structure 5 can be slide block, and described position limiting structure 12 can be for being arranged on the chute on pedestal 6; For another example, described drives structure 5 is nut, and described position limiting structure 12 is the leading screw coordinating with nut.Preferred embodiment is: described position limiting structure 12 comprises the screwed hole being arranged on pedestal 6, and described drives structure 5 comprises the screwed part being threaded with screwed hole.Above-mentioned screwed part can be bolt or screw etc.Adopt said structure, because screwed part can accurately be controlled along the axial rectilinear movement distance of screwed hole, therefore can accurately control the process of opening of launching location structure by screwed part.
The embodiment of above-mentioned support component 2 can have multiple, block structure that for example can be as a whole, and all links 20 tilt to be overlapped in this block structure.Preferred embodiment is: described support component 2 comprises and launches the identical and support bar 21 one to one of location structure 1 quantity, one end of described support bar 21 is connected with pedestal 6, the other end forms free end 22, and the link 20 that launches location structure 1 tilts to be overlapped on the free end 22 of corresponding support bar 21.Adopt said structure, be convenient to the motion track of each link 20 accurately to control.Above-mentioned support bar 21 can arrange while arranging straight up, is obliquely installed etc., is preferably: the bearing of trend of described support bar 21 is parallel with the linear movement direction of drives structure 5, as shown in Figure 1.
On the basis of the above, as shown in Figure 3, in order to reduce the wearing and tearing of support bar to link, between the link 20 of described expansion location structure 1 and the free end 22 of support bar 21, be provided with the sheave 14 being connected with the free end 22 of support bar 21, link 20 inclinations that launch location structure 1 are overlapped on sheave 14 and with sheave 14 rolls and coordinates.Adopting said structure, is rolling friction between link 20 and sheave 14, and support bar is less to the wearing and tearing of link.
In addition, in said structure, drives structure is moved too fast along position limiting structure, likely makes the active force of the support component 2 that the link 20 that launches location structure 1 is subject to excessive, makes link 20 likely separation with support component 2, thereby impact is normal, uses.The possibility occurring in order to reduce above-mentioned situation, is connected with elastomeric element 3 between described drives structure 5 and the link 20 of expansion location structure 1.Above-mentioned elastomeric element 3 can be spring or shell fragment etc.Owing to being provided with elastomeric element 3, the movement of link 20 is subject to the spacing of elastomeric element 3, along with the increase of each link 20 degree separated from one another, elastomeric element 3 is tightened gradually and link 20 is applied to one and stops its active force that continues motion, thereby can keep preferably good fit between link 20 and support component 2.
For further simplified structure, described pedestal 6 and core connecting portion 7 design for integral type.Certainly, pedestal 6 and core connecting portion 7 also can independent design, and for example, pedestal 6 is arranged on one independently on support, and core connecting portion 7 is arranged on another one independently on support.
Calibrator for die head of extruding machine, comprise core connecting portion 7, along core connecting portion 7, be circumferentially evenly equipped with at least two and launch location structure 1, one end of described expansion location structure 1 is flexibly connected with control structure, form link 20, the other end forms positioning end 15, and when control structure drives while launching the link 20 of location structure 1, each positioning end 15 is separated from each other and opens take the axial line of core connecting portion 7 as datum line equal angles; Described control structure comprises drives structure 5 and pedestal 6, on described pedestal 6, is provided with position limiting structure 12, and described drives structure 5 is along position limiting structure 12 rectilinear motions; In drives structure 5, be fixed with attaching parts 4, described attaching parts 4 are flexibly connected with the link that launches location structure 1; On pedestal 6, be provided with support component 2, the link 20 that launches location structure 1 tilts to be overlapped on support component 2, while moving towards pedestal 6 under the attaching parts 4 that link 20 is being driven by drives structure 5 drive, each link 20 is subject to drag effect that support component 2 applies and is separated from each other and drives each positioning end 15 to be separated from each other and open take the axial line of core connecting portion 7 as datum line equal angles.
Claims (9)
1. calibrator for die head of extruding machine, it is characterized in that: comprise core connecting portion (7), along core connecting portion (7), be circumferentially evenly equipped with at least two and launch location structure (1), one end of described expansion location structure (1) is flexibly connected with control structure, form link (20), the other end forms positioning end (15), when control structure drives the link (20) that launches location structure (1), each positioning end (15) is separated from each other and opens take the axial line of core connecting portion (7) as datum line equal angles;
Described control structure comprises drives structure (5) and pedestal (6), is provided with position limiting structure (12) on described pedestal (6), and described drives structure (5) is along position limiting structure (12) rectilinear motion; In drives structure (5), be fixed with attaching parts (4), described attaching parts (4) are flexibly connected with the link that launches location structure (1); On pedestal (6), be provided with support component (2), the link (20) that launches location structure (1) tilts to be overlapped on support component (2), when link (20) is mobile towards pedestal (6) under the attaching parts (4) that driven by drives structure (5) drive, each link (20) is subject to drag effect that support component (2) applies and is separated from each other and drives each positioning end (15) to be separated from each other and open take the axial line of core connecting portion (7) as datum line equal angles.
2. calibrator for die head of extruding machine as claimed in claim 1, is characterized in that: all expansion location structures (1) are synchronized with the movement.
3. calibrator for die head of extruding machine as claimed in claim 1, is characterized in that: described positioning end (15) is the arc plate (13) of evagination, and the orthographic projection of the string that the circular arc of described arc plate is corresponding is vertical with the orthographic projection of the axial line of core connecting portion (7).
4. calibrator for die head of extruding machine as claimed in claim 1, it is characterized in that: described support component (2) comprises and launches the identical and support bar (21) one to one of location structure (1) quantity, one end of described support bar (21) is connected with pedestal (6), the other end forms free end (22), and the link (20) that launches location structure (1) tilts to be overlapped on the free end (22) of corresponding support bar (21).
5. calibrator for die head of extruding machine as claimed in claim 4, is characterized in that: the bearing of trend of described support bar (21) is parallel with the linear movement direction of drives structure (5).
6. the calibrator for die head of extruding machine as described in claim 4 or 5, it is characterized in that: between the link (20) of described expansion location structure (1) and the free end (22) of support bar (21), be provided with the sheave (14) being connected with the free end (22) of support bar (21), the link (20) that launches location structure (1) tilts to be overlapped on sheave (14) and above and with sheave (14) rolls and coordinate.
7. calibrator for die head of extruding machine as claimed in claim 1, is characterized in that: between described drives structure (5) and the link (20) of expansion location structure (1), be connected with elastomeric element (3).
8. calibrator for die head of extruding machine as claimed in claim 1, is characterized in that: described position limiting structure (12) comprises the screwed hole being arranged on pedestal (6), and described drives structure (5) comprises the screwed part being threaded with screwed hole.
9. calibrator for die head of extruding machine as claimed in claim 1, is characterized in that: described pedestal (6) and core connecting portion (7) design for integral type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010587338.3A CN102126283B (en) | 2010-12-14 | 2010-12-14 | Calibrator for die head of extruding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010587338.3A CN102126283B (en) | 2010-12-14 | 2010-12-14 | Calibrator for die head of extruding machine |
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| Publication Number | Publication Date |
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| CN102126283A CN102126283A (en) | 2011-07-20 |
| CN102126283B true CN102126283B (en) | 2014-04-16 |
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| CN201010587338.3A Expired - Fee Related CN102126283B (en) | 2010-12-14 | 2010-12-14 | Calibrator for die head of extruding machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104260321A (en) * | 2014-09-28 | 2015-01-07 | 广东联塑机器制造有限公司 | Intelligent mold |
| CN108790101A (en) * | 2018-08-08 | 2018-11-13 | 新疆登煌管业有限公司 | A kind of mouth mold and core model slack adjuster and method |
| AT521584B1 (en) * | 2018-08-24 | 2020-08-15 | Engel Austria Gmbh | Plasticizing unit for a molding machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2233828Y (en) * | 1995-09-21 | 1996-08-28 | 黄文章 | Die nozzle of extrusion press capable of extruding continuously hollow strength-compensated flexible pipe |
| CN2526157Y (en) * | 2002-01-30 | 2002-12-18 | 刘资丰 | Mixing device for mould head of blow-moulding machine |
| JP4026311B2 (en) * | 2000-10-13 | 2007-12-26 | 株式会社ダイフク | Picking equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0426311A (en) * | 1990-05-18 | 1992-01-29 | Furukawa Electric Co Ltd:The | Controlling method for molding power cable connection part |
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2010
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2233828Y (en) * | 1995-09-21 | 1996-08-28 | 黄文章 | Die nozzle of extrusion press capable of extruding continuously hollow strength-compensated flexible pipe |
| JP4026311B2 (en) * | 2000-10-13 | 2007-12-26 | 株式会社ダイフク | Picking equipment |
| CN2526157Y (en) * | 2002-01-30 | 2002-12-18 | 刘资丰 | Mixing device for mould head of blow-moulding machine |
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| CN102126283A (en) | 2011-07-20 |
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