CN105500635A - Injection mold used for lateral core pulling - Google Patents
Injection mold used for lateral core pulling Download PDFInfo
- Publication number
- CN105500635A CN105500635A CN201510755612.6A CN201510755612A CN105500635A CN 105500635 A CN105500635 A CN 105500635A CN 201510755612 A CN201510755612 A CN 201510755612A CN 105500635 A CN105500635 A CN 105500635A
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- China
- Prior art keywords
- arc
- pedestal
- magnet
- gear rack
- fork
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold used for lateral core pulling. The injection mold used for lateral core pulling comprises an upper die plate (13), a lower die plate (14), a side die plate (15), a cross rod (27), a drive rod (28), a swing rod (16), a drive gear (5) and a substrate (4); a running channel (17) for a medium to flow is arranged in the upper die plate (13); the lower die plate (14) is glidingly connected onto the substrate (4) along a horizontal direction; the side die plate (15) is glidingly connected onto the substrate (4) along the horizontal direction; moreover, after clamping, the outer wall of the upper die plate (13), the inner wall of the lower die plate (14) and the inner wall of the side die plate (15) form a mold cavity (18); one end of the running channel (17) communicates with the mold cavity (18); a protrusion (29) used for forming a mounting hole is arranged on the lower die plate (14) in facing the mold cavity (18). The injection mold used for lateral core pulling, provided by the invention, is high in production efficiency and high in precision of produced parts.
Description
Technical field
The present invention relates to the technical field of mold for the production of parts in processing automobile, particularly relate to a kind of injection mold for side core-pulling.
Background technology
Produce and processing automobile parts process in, often can relate to the part that a kind of cross sectional shape is U-shaped, and also can require to offer the installing hole for connecting on the sidewall of this U-shaped part.Current, when producing the U-shaped part of this band installing hole, often by the blank of a first injection mo(u)lding U-shaped, and then by machining installing hole.Manufactured parts greatly reduces production efficiency in this way, and the precision of part.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes existing technological deficiency, provides a kind of production efficiency high and the high injection mold for side core-pulling of the parts precision produced.
Technical solution of the present invention is, provides a kind of injection mold for side core-pulling with following structure: comprise cope match-plate pattern, lower bolster, side template, cross bar, drive link, fork, travelling gear and pedestal; Be provided with the running channel for media flow in cope match-plate pattern, lower bolster is slidably connected on pedestal in the horizontal direction; Side template is slidably connected on pedestal in the horizontal direction, and after matched moulds, cope match-plate pattern outer wall and lower bolster inwall, side template inwall form die cavity, and running channel one end is communicated with die cavity, and lower bolster is provided with the projection for patterned mounting holes towards die cavity direction; Cross bar one end is fixedly connected with lower bolster, and pedestal is provided with the guide pin bushing slided along cross bar length direction for cross bar, and cross bar is slidably connected in guide pin bushing; Fork is rotatably connected on pedestal, drive link one end and cross bar hinged, the other end and fork upper end hinged; Fork upper end is provided with arc-shaped rack, and the center of circle of arc-shaped rack overlaps with the center of rotation relative to pedestal on fork; Pedestal slidably connects slide plate, and upper surface and the lower surface of slide plate are respectively equipped with the second identical linear gear rack of structure and the 5th linear gear rack, the arc-shaped rack engaged transmission of the 5th linear gear rack and fork upper end; Side template lower surface is provided with the 3rd linear gear rack, and pedestal is connected with the first gear by holder pivots, and the first gear simultaneously with the second linear gear rack and the 3rd linear gear rack engaged transmission; Fork lower end is provided with the second open slot; Travelling gear is rotatably connected on pedestal, and travelling gear end face is provided with the second straight pin, and the second straight pin is greater than zero to the distance of travelling gear axis, and the second straight pin is positioned at the second open slot of fork lower end; Described pedestal is provided with the drive unit for driving travelling gear rotating.
The present invention is rotated and reverse by drive unit band nutating gear, and travelling gear can swinging by the mating band movable pendulum bar bottom of the second straight pin and the second open slot in rotating process, and fork upper end also can swing; In the process that fork upper end swings, on the one hand slide plate and the second linear gear rack can be driven to move with engaging of the 5th linear gear rack by arc-shaped rack, the second linear gear rack is driving side template movement away from die cavity to facilitate parting by the transmission of the first gear and the 3rd linear gear rack; Can also drive link be driven to rotate by the swing of fork upper end and promote cross bar by drive link on the other hand and move, the movement of cross bar can drive lower bolster and projection to extract to facilitate the shaping rear parting of installing hole in die cavity.That is, installing hole can be molded rapidly on moulding sidewall by structure of the present invention, and moulding surface can be made to throw off with cope match-plate pattern outer wall, lower bolster inwall or side template inwall when cope match-plate pattern, lower bolster and side template parting, moulding takes out by handled easily personnel in mould, and then improves the production efficiency of moulding.In addition, installing hole is integrated with moulding, and that is, the precision of this moulding have also been obtained corresponding raising.Therefore, the invention provides the high and injection mold for side core-pulling that the parts precision produced is high of a kind of production efficiency.
Preferred as one, described pedestal slidably connects slide plate and refers to, pedestal has been horizontally disposed with guide rod, and slide plate slides is connected on guide rod, and guide rod is provided with near lower bolster one end the limited block departed from from guide rod for anti-limited slip plate.Preferred by this, can improve the stability of skateboarding, also improve the precision of slide plate movement, anti-limited slip plate is partially sliding; In addition, can also depart from from guide rod in sliding process by anti-limited slip plate.
Preferred as one, the motor that described drive unit comprises guide pad, shell, the first magnet assemblies, the second magnet assemblies, rotating shaft and rotates for drive shaft, guide pad is fixedly connected on pedestal, first magnet assemblies setting-in in the enclosure, shell is vertically slidably connected on guide pad, and shell is provided with for the 4th linear gear rack with travelling gear engaged transmission; The second described magnet assemblies is positioned at vertically immediately below the first magnet assemblies; First magnet assemblies refer to S pole down, N pole bar magnet upward; Second magnet assemblies comprises liner, outer lining, the first arc-shaped magnet and the second arc-shaped magnet, and liner is connected by key with rotating shaft, in the first arc-shaped magnet and the radial clearance of the second arc-shaped magnet between liner and outer lining; The S of the first arc-shaped magnet extremely outwards, N pole inwards, the S pole of the second arc-shaped magnet is inwards, N is extremely outside, and the equal diameters of the first arc-shaped magnet and the second arc-shaped magnet and the center of circle are all on the axis of rotating shaft; In radial clearance between liner and outer lining, 1/4th is the first arc-shaped magnet, and 3/4ths is the second arc-shaped magnet; Described guide pad is provided with block spacing when sliding up and down for shell.Preferred by this, can intermittently drive travelling gear to rotate and reverse, thus make this mould can realize parting and the matched moulds of automation.Wherein, motor can done in order to drive strip magnet and shell to move up by the first arc-shaped magnet and bar magnet in a direction rotation process, also can do in order to drive strip magnet and shell to move down by the second arc-shaped magnet and bar magnet, thus the control realized bar magnet and the shell direction of motion, play the effect of a commutation; The standard to selection of Motor can be reduced by this structure, not need to increase extra commutating device and travelling gear is commutated, energy consumption of the present invention is also reduced.
Preferred as one, described drive unit refers to that pedestal is provided with the clockwise and anticlockwise motor for driving travelling gear to rotate.Preferred by this, intermittently cover of driver and bar magnet can move up and down, thus be with rotating and reverse of nutating gear, and then make this mould can realize parting and the matched moulds of automation.
Preferred as one, the 3rd described linear gear rack, the 5th linear gear rack and the second linear gear rack are arranged in parallel.Preferred by this, the accuracy of the second linear gear rack, the 3rd linear gear rack and the 5th linear gear rack transmission can be improved.
Preferred as one, described lower bolster is provided with the guide post consistent with the 3rd linear gear rack length direction, and side template is provided with the pilot hole for accommodating guide post.Preferred by this, lower bolster and the accuracy of side template when matched moulds can be improved, prevent lower bolster and side template from offseting when matched moulds.
Accompanying drawing explanation
Fig. 1 is partial sectional view of the present invention.
Fig. 2 is the enlarged drawing of part in the present invention.
Shown in figure: 1, guide pad, 2, shell, 3, rotating shaft, 4, pedestal, 5, travelling gear, 6, 4th linear gear rack, 7, bar magnet, 8, liner, 9, outer lining, 10, first arc-shaped magnet, 11, second arc-shaped magnet, 12, block, 13, cope match-plate pattern, 14, lower bolster, 15, side template, 16, fork, 17, running channel, 18, die cavity, 19, second linear gear rack, 20, 3rd linear gear rack, 21, second open slot, 22, second straight pin, 23, first gear, 24, guide post, 25, pilot hole, 26, guide pin bushing, 27, cross bar, 28, drive link, 29, projection, 30, support, 31, arc-shaped rack, 32, slide plate, 33, 5th linear gear rack, 34, guide rod, 35, limited block.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in the figure, operation principle during parting of the present invention: after injection mo(u)lding completes, cope match-plate pattern is thrown off in die cavity, projection due to lower bolster right side wall is also inserted in moulding sidewall, so, moulding can not be followed cope match-plate pattern and together be departed from die cavity, and namely the projection of template right side wall can play spacing effect;
In point mold process, if adopt more energy-conservation drive unit, namely the first magnet assemblies is comprised, during the drive unit of the parts such as the second magnet assemblies, driven by motor rotating shaft is rotated along a direction all the time, when being arranged on that in the second magnet assemblies in rotating shaft, the first arc-shaped magnet turns to the region that bar magnet is just right, because the S pole of the first arc-shaped magnet and the S of bar magnet bottom repel extremely mutually, thus bar magnet and shell can be driven to move up, namely rotated clockwise to make travelling gear by the engaged transmission of the first linear gear rack and travelling gear, fork also rotates counterclockwise, fork upper end turns left, in the process that fork upper end turns left, can engage to drive slide plate and the second linear gear rack to be moved to the left by arc-shaped rack and the 5th linear gear rack, the second linear gear rack is moved right to drive side template by the transmission of the first gear and the 3rd linear gear rack, simultaneously, drive rod rotation can be driven left because fork upper end swings, drive link can rotate relative to cross bar and fork, and drive link entirety can push cross bar moves along guide pin bushing axis left, the cross bar be moved to the left can pull lower bolster to be also moved to the left projection is extracted from moulding sidewall, that is, lower bolster is contrary with the direction of motion of side template, namely mutual away from, thus moulding just can take out by operating personnel in mould, in a word, lower bolster and side template mutually away from process in, moulding also can relative to side template inwall generation relative displacement, and the installing hole on moulding can relative to projection outer wall generation relative displacement,
When the second arc-shaped magnet in the second magnet assemblies and bar magnet just pair time, because the N pole of the second arc-shaped magnet and the S pole of bar magnet bottom attract each other, thus bar magnet and shell can be driven to move down, and then drive other parts counter motions successively, until matched moulds completes.Because the second arc-shaped magnet takies same 3/4ths girths circumferentially, that is, rotating shaft drives the second magnet assemblies to rotate in the turnaround time, 1/4th times be the first arc-shaped magnet and bar magnet just to for parting, 3/4ths times were that the second arc-shaped magnet and bar magnet are just to for matched moulds.So the injection time after matched moulds of the present invention is three times for workman's pickup time after parting, so both can ensure the time required for matched moulds, after can giving parting again, pickup provides time enough, improves the operating efficiency of automatic die assembly injection moulding and parting pickup.
The injection mold that the present invention is used for side core-pulling comprises cope match-plate pattern 13, lower bolster 14, side template 15, cross bar 27, drive link 28, fork 16, travelling gear 5 and pedestal 4; Be provided with the running channel 17 for media flow in cope match-plate pattern 13, lower bolster 14 is slidably connected on pedestal 4 in the horizontal direction; Side template 15 is slidably connected on pedestal 4 in the horizontal direction, and cope match-plate pattern 13 outer wall and lower bolster 14 inwall, side template 15 inwall form die cavity 18 after matched moulds, running channel 17 one end is communicated with die cavity 18, and lower bolster 14 is provided with the projection 29 for patterned mounting holes towards die cavity 18 direction; Wherein, cope match-plate pattern 13 is connected with injection machine, can move up during parting during matched moulds as shown in Figure 1.
Cross bar 27 one end is fixedly connected with lower bolster 14, and pedestal 4 is provided with the guide pin bushing 26 slided along cross bar 27 length direction for cross bar 27, and cross bar 27 is slidably connected in guide pin bushing 26;
Fork 16 is rotatably connected on pedestal 4, drive link 28 one end and cross bar 27 hinged, the other end and fork 16 upper end hinged; Fork 16 upper end is provided with arc-shaped rack 31, and the center of circle of arc-shaped rack 31 overlaps relative to the center of rotation of pedestal 4 with on fork 16; Pedestal 4 slidably connects slide plate 32, upper surface and the lower surface of slide plate 32 are respectively equipped with arc-shaped rack 31 engaged transmission of the second identical linear gear rack 19 of structure and the 5th linear gear rack the 33, five linear gear rack 33 and fork 16 upper end; Side template 15 lower surface is provided with the 3rd linear gear rack 20, and pedestal 4 is rotatably connected to the first gear 23 by support 30, and the first gear 23 simultaneously with the second linear gear rack 19 and the 3rd linear gear rack 20 engaged transmission; Fork 16 lower end is provided with the second open slot 21;
Travelling gear 5 is rotatably connected on pedestal 4, and travelling gear 5 end face is provided with the second straight pin 22, second straight pin 22 and is greater than zero to the distance of travelling gear 5 axis, and the second straight pin 22 is positioned at the second open slot 21 of fork 16 lower end; Described pedestal 4 is provided with the drive unit for driving travelling gear 5 rotating.
Described pedestal 4 slidably connects slide plate 32 refer to, pedestal 4 has been horizontally disposed with guide rod 34, slide plate 32 is slidably connected on guide rod 34, and guide rod 34 is provided with near lower bolster 14 one end the limited block 35 departed from from guide rod 34 for anti-limited slip plate 32.
A kind of embodiment about drive unit: the motor that described drive unit comprises guide pad 1, shell 2, first magnet assemblies, the second magnet assemblies, rotating shaft 3 and rotates for drive shaft 3, guide pad 1 is fixedly connected on pedestal 4, first magnet assemblies is inlaid in shell 2, shell 2 is vertically slidably connected on guide pad 1, and shell 2 is provided with for the 4th linear gear rack 6 with travelling gear 5 engaged transmission; The second described magnet assemblies is positioned at vertically immediately below the first magnet assemblies; First magnet assemblies refer to S pole down, N pole bar magnet 7 upward; Second magnet assemblies comprises liner 8, outer lining 9, first arc-shaped magnet 10 and the second arc-shaped magnet 11, and liner 8 is connected by key with rotating shaft 3, in the first arc-shaped magnet 10 and the radial clearance of the second arc-shaped magnet 11 between liner 8 and outer lining 9; The S of the first arc-shaped magnet 10 extremely outwards, N pole inwards, the S pole of the second arc-shaped magnet 11 is inwards, N is extremely outside, and the equal diameters of the first arc-shaped magnet 10 and the second arc-shaped magnet 11 and the center of circle are all on the axis of rotating shaft 3; In radial clearance between liner 8 and outer lining 9,1/4th be the first arc-shaped magnet 10,3/4ths is the second arc-shaped magnet 11; Described guide pad 1 is provided with block 12 spacing when sliding up and down for shell 2.Adopt this drive unit can be more energy-conservation, reduce energy consumption when the present invention works.
Another kind of embodiment about drive unit: described drive unit also can refer to that pedestal 4 is provided with the clockwise and anticlockwise motor for driving travelling gear 5 to rotate.Adopt clockwise and anticlockwise motor can simplify the structure of whole device, the drive disk assembly of a part for travelling gear 4 rotating commutation can be remained.
The 3rd described linear gear rack 20, the 5th linear gear rack 33 and the second linear gear rack 19 are arranged in parallel.
Described lower bolster 14 is provided with the guide post 24 consistent with the 3rd linear gear rack 20 length direction, and side template 15 is provided with the pilot hole 25 for accommodating guide post 24.For being provided with chamfering with one end of pilot hole 25 grafting on guide post 24, be properly inserted in pilot hole 25 to facilitate guide post 24.
The foregoing is only preferred embodiment of the present invention, not for limiting the scope of the invention.All within the claims in the present invention, any amendment done, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. for an injection mold for side core-pulling, it is characterized in that: it comprises cope match-plate pattern (13), lower bolster (14), side template (15), cross bar (27), drive link (28), fork (16), travelling gear (5) and pedestal (4); Be provided with the running channel (17) for media flow in cope match-plate pattern (13), lower bolster (14) is slidably connected on pedestal (4) in the horizontal direction; Side template (15) is slidably connected on pedestal (4) in the horizontal direction, and cope match-plate pattern (13) outer wall and lower bolster (14) inwall, side template (15) inwall form die cavity (18) after matched moulds, running channel (17) one end is communicated with die cavity (18), and lower bolster (14) is provided with the projection (29) for patterned mounting holes towards die cavity (18) direction;
Cross bar (27) one end is fixedly connected with lower bolster (14), pedestal (4) is provided with the guide pin bushing (26) slided along cross bar (27) length direction for cross bar (27), and cross bar (27) is slidably connected in guide pin bushing (26);
Fork (16) is rotatably connected on pedestal (4), drive link (28) one end and cross bar (27) hinged, the other end and fork (16) upper end hinged; Fork (16) upper end is provided with arc-shaped rack (31), and the center of circle of arc-shaped rack (31) overlaps relative to the center of rotation of pedestal (4) with on fork (16); Pedestal (4) slidably connects slide plate (32), upper surface and the lower surface of slide plate (32) are respectively equipped with identical the second linear gear rack (19) of structure and the 5th linear gear rack (33), arc-shaped rack (31) engaged transmission of the 5th linear gear rack (33) and fork (16) upper end; Side template (15) lower surface is provided with the 3rd linear gear rack (20), pedestal (4) is rotatably connected to the first gear (23) by support (30), and the first gear (23) simultaneously with the second linear gear rack (19) and the 3rd linear gear rack (20) engaged transmission; Fork (16) lower end is provided with the second open slot (21);
Travelling gear (5) is rotatably connected on pedestal (4), travelling gear (5) end face is provided with the second straight pin (22), second straight pin (22) is greater than zero to the distance of travelling gear (5) axis, and the second straight pin (22) is positioned at second open slot (21) of fork (16) lower end;
Described pedestal (4) is provided with the drive unit for driving travelling gear (5) rotating.
2. the injection mold for side core-pulling according to claim 1, it is characterized in that: described pedestal (4) slidably connects slide plate (32) and refers to, pedestal (4) is horizontally disposed with guide rod (34), slide plate (32) is slidably connected on guide rod (34), and upper close lower bolster (14) one end of guide rod (34) is provided with the limited block (35) departed from from guide rod (34) for anti-limited slip plate (32).
3. the injection mold for side core-pulling according to claim 1, it is characterized in that: described drive unit comprises guide pad (1), shell (2), first magnet assemblies, second magnet assemblies, rotating shaft (3) and the motor rotated for drive shaft (3), guide pad (1) is fixedly connected on pedestal (4), first magnet assemblies is inlaid in shell (2), shell (2) is vertically slidably connected on guide pad (1), and shell (2) is provided with for the 4th linear gear rack (6) with travelling gear (5) engaged transmission, the second described magnet assemblies is positioned at vertically immediately below the first magnet assemblies,
First magnet assemblies refer to S pole down, N pole bar magnet upward (7);
Second magnet assemblies comprises liner (8), outer lining (9), the first arc-shaped magnet (10) and the second arc-shaped magnet (11), liner (8) is connected by key with rotating shaft (3), and the first arc-shaped magnet (10) and the second arc-shaped magnet (11) are positioned at the radial clearance between liner (8) and outer lining (9); The S of the first arc-shaped magnet (10) extremely outwards, N pole inwards, the S pole of the second arc-shaped magnet (11) inwards, N is extremely outside, and the equal diameters of the first arc-shaped magnet (10) and the second arc-shaped magnet (11) and the center of circle are all on the axis of rotating shaft (3); In radial clearance between liner (8) and outer lining (9), 1/4th is the first arc-shaped magnet (10), and 3/4ths is the second arc-shaped magnet (11); Described guide pad (1) is provided with block (12) spacing when sliding up and down for shell (2).
4. the injection mold for side core-pulling according to claim 1, is characterized in that: described drive unit refers to that pedestal (4) is provided with the clockwise and anticlockwise motor for driving travelling gear (5) to rotate.
5. the injection mold for side core-pulling according to claim 1, is characterized in that: the 3rd described linear gear rack (20), the 5th linear gear rack (33) and the second linear gear rack (19) are arranged in parallel.
6. the injection mold for side core-pulling according to claim 1, it is characterized in that: described lower bolster (14) is provided with the guide post (24) consistent with the 3rd linear gear rack (20) length direction, and side template (15) is provided with the pilot hole (25) for accommodating guide post (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755612.6A CN105500635B (en) | 2015-11-09 | 2015-11-09 | Injection mold for side core-pulling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755612.6A CN105500635B (en) | 2015-11-09 | 2015-11-09 | Injection mold for side core-pulling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105500635A true CN105500635A (en) | 2016-04-20 |
| CN105500635B CN105500635B (en) | 2017-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510755612.6A Expired - Fee Related CN105500635B (en) | 2015-11-09 | 2015-11-09 | Injection mold for side core-pulling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105500635B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020078776A1 (en) * | 2000-12-27 | 2002-06-27 | Kikuo Yamashita | Worm wheel and machine and method for forming the same |
| JP2008012873A (en) * | 2006-07-10 | 2008-01-24 | Fujinon Sano Kk | Mold assembly for injection molding |
| CN101811339A (en) * | 2009-02-19 | 2010-08-25 | 浙江凯华模具有限公司 | Plastic die of cambered elbow pipe of 90 degrees |
| CN102139526A (en) * | 2011-03-17 | 2011-08-03 | 厦门市方圆通模具有限公司 | Arc core-pulling device for die |
| CN203418725U (en) * | 2013-08-19 | 2014-02-05 | 宁波华德汽车零部件有限公司 | Circular-arch core-pulling mechanism for injection mould |
-
2015
- 2015-11-09 CN CN201510755612.6A patent/CN105500635B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020078776A1 (en) * | 2000-12-27 | 2002-06-27 | Kikuo Yamashita | Worm wheel and machine and method for forming the same |
| FR2818723A1 (en) * | 2000-12-27 | 2002-06-28 | Koyo Seiko Co | METHOD AND APPARATUS FOR MANUFACTURING A TOOTHED WHEEL |
| FR2818723B1 (en) * | 2000-12-27 | 2005-08-05 | Koyo Seiko Co | METHOD AND APPARATUS FOR MANUFACTURING A WHEEL |
| JP2008012873A (en) * | 2006-07-10 | 2008-01-24 | Fujinon Sano Kk | Mold assembly for injection molding |
| CN101811339A (en) * | 2009-02-19 | 2010-08-25 | 浙江凯华模具有限公司 | Plastic die of cambered elbow pipe of 90 degrees |
| CN102139526A (en) * | 2011-03-17 | 2011-08-03 | 厦门市方圆通模具有限公司 | Arc core-pulling device for die |
| CN203418725U (en) * | 2013-08-19 | 2014-02-05 | 宁波华德汽车零部件有限公司 | Circular-arch core-pulling mechanism for injection mould |
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| Publication number | Publication date |
|---|---|
| CN105500635B (en) | 2017-12-05 |
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