CN203210628U - Dog-leg cam oblique inner core pulling mechanism of injection mold - Google Patents
Dog-leg cam oblique inner core pulling mechanism of injection mold Download PDFInfo
- Publication number
- CN203210628U CN203210628U CN 201320199318 CN201320199318U CN203210628U CN 203210628 U CN203210628 U CN 203210628U CN 201320199318 CN201320199318 CN 201320199318 CN 201320199318 U CN201320199318 U CN 201320199318U CN 203210628 U CN203210628 U CN 203210628U
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- core
- plate
- thimble
- fixing plate
- pin
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Abstract
The utility model provides a dog-leg cam oblique inner core pulling mechanism of an injection mold. The mechanism comprises an upper compound plate and a lower compound plate, wherein the lower part of the upper compound plate is provided with a lower cavity, and a through hole is formed in the lower compound plate; an upper thimble plate and a lower thimble plate are arranged between die pins arranged the upper part of the lower compound plate; an ejector pin of an injection molding machine passes through the through hole so as to be contacted with the lower thimble plate; a thimble is arranged in the upper thimble plate; the die pins are provided with support plates on which backing plates are arranged; a core fixing plate is arranged on the backing plates; an oblique loose core is arranged in a core fixed in the core fixing plate; the core is provided with a stripper plate and the thimble; A straight flute is formed in the core; the oblique loose core is positioned in an oblique guide hole formed in the straight flute; hooks are arranged in the support plates and penetrate through the backing plates so as to be matched with the oblique guide hole; one side of the cavity is provided with a draw hook; one side of each support plate is provided with a bumping block; the core fixing plate is internally provided with mounting holes in which a spring and a sliding block are arranged; the sliding block is matched with the draw hook and bumping blocks; the supporting plates are internally provided with fixed-distance pull nails; the core fixing plate is internally provided with fixed-distance slots; the fixed-distance pull nails penetrate through the backing plates and the core fixing plate so as to be matched with the fixed-distance slots.
Description
Technical field
The utility model relates to injection mold, particularly relates to the oblique internal core-pulling mechanism of the curved pin of injection mold.
Background technology
Adopt injection mold to make working of plastics, if be shaped on hole or groove at the working of plastics inwall, need loose core from working of plastics inside during the demoulding, traditional method mostly is and adopts stripper plate that working of plastics is deviate from by force, the shortcoming of its existence is: working of plastics when deviating from by force, in the hole or easily fracture or the distortion of groove place, production of plastics parts percent defective height, stripping rate is slow, influences production efficiency.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming that prior art exists, to provide a kind of working of plastics demoulding smooth, and percent defective is low, guarantees the working of plastics quality, the oblique internal core-pulling mechanism of the curved pin of the injection mold of enhancing productivity.
The technical scheme of the oblique internal core-pulling mechanism of the curved pin of the utility model injection mold is: comprise compound plate and following compound plate, centring ring and gate bush are installed in last compound plate, under the last compound plate die cavity is installed, having perforation in the compound plate down, the mould pin is installed on the following compound plate, ejector retainner plate and last ejector retainner plate down are installed between the mould pin, the injection machine push rod passes perforation and contacts with following ejector retainner plate, in the last ejector retainner plate thimble is installed, at the mould pin gripper shoe is installed, backing plate is installed on the gripper shoe, core fixing plate is installed on the backing plate, fixing core in the core fixing plate, install in the core and tiltedly loose core, stripper plate is installed on the core, stripper plate links to each other with one on thimble, at die cavity, core, stripper plate and tiltedly loose core between the working of plastics of injection mo(u)lding is arranged, the working of plastics inwall is shaped on skewed slot, it is characterized in that: have straight trough in the described core, be positioned at the straight trough place and have oblique guide hole tiltedly loosing core, crotch is installed in gripper shoe, crotch passes backing plate and matches with the oblique guide hole of tiltedly loosing core, and described die cavity one side is installed drag hook, in gripper shoe one side collision block is installed, in core fixing plate, have installing hole, mounting spring and slide block in the installing hole, slide block matches with drag hook and collision block, and the spacing blind rivet is installed in the described gripper shoe, have the spacing groove in core fixing plate, spacing blind rivet the higher authorities pass backing plate and core fixing plate matches with the spacing groove.
The utility model discloses the oblique internal core-pulling mechanism of the curved pin of a kind of injection mold, after the working of plastics injection mo(u)lding, by compound plate drive mould pin is mobile backward down, it is mobile backward that the mould pin drives gripper shoe, it is mobile backward that gripper shoe drives crotch, the head of crotch cooperates with the oblique guide hole of tiltedly loosing core, make and tiltedly loose core to a skew back to the skewed slot of deviating from the working of plastics inwall, because the drag hook of die cavity one side hooks the slide block of core fixing plate, therefore backing plate and core fixing plate are not mobile backward, and move to backward when contacting with slide block when the collision block of gripper shoe one side, collision block contacts with inclined-plane on the slide block by the inclined-plane, and slide block inwardly promoted, slide block inwardly slides and disengages drag hook, the spacing blind rivet of gripper shoe contacts with the spacing groove of core fixing plate simultaneously, after slide block and drag hook disengage, when following compound plate continuation drive mould pin and gripper shoe move backward, drive core fixing plate by the spacing blind rivet, backing plate, stripper plate and core are mobile backward, the mould die sinking, this moment is owing to tiltedly loose core to deviate from from the skewed slot of working of plastics inwall, driven by the injection machine push rod, following ejector retainner plate and thimble, thimble drive stripper plate to be deviate from working of plastics from core, thereby finishes the demoulding.The oblique internal core-pulling mechanism of the curved pin of this programme injection mold, utilize slide block and drag hook to cooperate, make mould from gripper shoe and backing plate die sinking earlier, make the crotch on the gripper shoe carry out oblique inner core pulling with tiltedly loosing core to cooperate, and then cooperated with slide block by collision block, slide block disengages drag hook, make mould from stripper plate and die cavity die sinking, carry out the demoulding at last, make the working of plastics demoulding smooth, guarantee the quality of product, improved production efficiency.
The oblique internal core-pulling mechanism of the curved pin of the utility model injection mold is installed spacer pin in the described backing plate, has stopper slot under slide block, and spacer pin matches with stopper slot.Spacer pin has been arranged, and it is excessive to avoid slide block to slide laterally under spring action, and can't match with collision block.Described core is positioned at the afterbody of tiltedly loosing core the location plug is installed.The location plug has been arranged, after crotch being withdrawed from tiltedly loose core, avoided tiltedly loosing core that it is mobile backward to continue, thereby when guaranteeing matched moulds, crotch can slip in the oblique guide hole of tiltedly loosing core again.
Description of drawings
Fig. 1 is the structural representation of the oblique internal core-pulling mechanism matched moulds state of the curved pin of injection mold;
Fig. 2 is that the oblique internal core-pulling mechanism of the curved pin of injection mold is from gripper shoe and backing plate opening structural representation;
Fig. 3 is the structural representation of the oblique internal core-pulling mechanism die opening state of the curved pin of injection mold.
The specific embodiment
The utility model relates to the oblique internal core-pulling mechanism of the curved pin of a kind of injection mold, as Fig. 1-shown in Figure 3, comprise compound plate 1 and following compound plate 2, centring ring 3 and gate bush 4 are installed in last compound plate, die cavity 5 is installed under the last compound plate, having perforation 6 in the compound plate 2 down, mould pin 7 is installed on the following compound plate, ejector retainner plate 8 and last ejector retainner plate 9 down are installed between the mould pin, injection machine push rod 10 passes perforation 6 and contacts with following ejector retainner plate 8, thimble 11 is installed in the last ejector retainner plate, at mould pin 7 gripper shoe 12 is installed, backing plate 13 is installed on the gripper shoe, core fixing plate 14 is installed on the backing plate, fixing core 15 in the core fixing plate, install in the core and tiltedly loose core 16, stripper plate 17 is installed on the core, stripper plate links to each other with 11 1 on thimble, at die cavity 5, core 15, stripper plate 17 and tiltedly loose core the working of plastics of injection mo(u)lding 18 is arranged between 16, the working of plastics inwall is shaped on skewed slot 19, it is characterized in that: have straight trough 20 in the described core 15,16 be positioned at the straight trough place and have oblique guide hole 21 tiltedly loosing core, crotch 22 is installed in gripper shoe 12, crotch passes backing plate 13 and matches with 16 the oblique guide hole 21 of tiltedly loosing core, and described die cavity 5 one sides are installed drag hook 23, in gripper shoe 12 1 sides collision block 24 is installed, in core fixing plate 14, have installing hole 25, mounting spring 26 and slide block 27 in the installing hole, slide block matches with drag hook 23 and collision block 24, and spacing blind rivet 30 is installed in the described gripper shoe 12, have spacing groove 31 in core fixing plate 14, spacing blind rivet the higher authorities pass backing plate 13 and core fixing plate 14 matches with spacing groove 31.After working of plastics 18 injection mo(u)ldings, by compound plate 2 drive mould pin 7 are mobile backward down, it is mobile backward that the mould pin drives gripper shoe 12, it is mobile backward that gripper shoe drives crotch 22, the head of crotch cooperates with 16 the oblique guide hole 21 of tiltedly loosing core, make and tiltedly loose core to a skew back to the skewed slot 19 of deviating from working of plastics 18 inwalls, because the drag hook 23 of die cavity 5 one sides hooks the slide block 27 of core fixing plate 14, therefore backing plate 13 is not mobile backward with core fixing plate 14, and move to backward when contacting with slide block 27 when the collision block 24 of gripper shoe 12 1 sides, collision block contacts with inclined-plane on the slide block by the inclined-plane, and slide block inwardly promoted, slide block inwardly slides and disengages drag hook 23, the spacing blind rivet 30 of gripper shoe 12 contacts with the spacing groove 31 of core fixing plate 14 simultaneously, after slide block 27 and drag hook 23 disengage, when following compound plate 2 continuation drive mould pin 7 and gripper shoe 12 move backward, drive core fixing plate 14 by spacing blind rivet 30, backing plate 13, stripper plate 17 and core 15 are mobile backward, the mould die sinking, this moment is owing to tiltedly loose core 16 to have deviate from from the skewed slot 19 of working of plastics 18 inwalls, driven by injection machine push rod 10, following ejector retainner plate 9,8 and thimble 11, thimble drives stripper plate 17 to be deviate from working of plastics 18 from core 15, thereby finishes the demoulding.The oblique internal core-pulling mechanism of the curved pin of this programme injection mold, utilize slide block 27 and drag hook 23 to cooperate, make mould from gripper shoe 12 and backing plate 13 die sinkings earlier, make the crotch 22 on the gripper shoe 16 cooperate and carry out oblique inner core pulling with tiltedly loosing core, and then cooperated with slide block 27 by collision block 24, slide block disengages drag hook 23, make mould from stripper plate 17 and die cavity 5 die sinkings, carry out the demoulding at last, make working of plastics 18 demouldings smooth, guarantee the quality of product, improved production efficiency.Spacer pin 28 is installed in the described backing plate 13, is had stopper slot 29 27 times at slide block, spacer pin matches with stopper slot.Spacer pin 28 has been arranged, and it is excessive to avoid slide block 27 to slide laterally under spring 26 effects, and can't match with collision block 24.Described core 15 is positioned at 16 the afterbody of tiltedly loosing core location plug 33 is installed.Location plug 33 has been arranged, crotch 22 is withdrawed from tiltedly loose core 16 after, avoid tiltedly loosing core that it is mobile backward to continue, thereby when guaranteeing matched moulds, crotch 22 can slip into again in 16 the oblique guide hole 21 of tiltedly loosing core.
Claims (3)
1. injection mold is bent the oblique internal core-pulling mechanism of pin, comprise compound plate (1) and following compound plate (2), centring ring (3) and gate bush (4) are installed in last compound plate, die cavity (5) is installed under the last compound plate, having perforation (6) in the compound plate (2) down, mould pin (7) is installed on the following compound plate, ejector retainner plate (8) and last ejector retainner plate (9) down are installed between the mould pin, injection machine push rod (10) passes perforation (6) and contacts with following ejector retainner plate (8), thimble (11) is installed in the last ejector retainner plate, at mould pin (7) gripper shoe (12) is installed, backing plate (13) is installed on the gripper shoe, core fixing plate (14) is installed on the backing plate, fixing core (15) in the core fixing plate, install in the core tiltedly loose core (16), stripper plate (17) is installed on the core, stripper plate links to each other with (11) one on thimble, in die cavity (5), core (15), stripper plate (17) and tiltedly loose core the working of plastics of injection mo(u)lding (18) is arranged between (16), the working of plastics inwall is shaped on skewed slot (19), it is characterized in that: have straight trough (20) in the described core (15), be positioned at the straight trough place in tiltedly loose core (16) and have oblique guide hole (21), crotch (22) is installed in gripper shoe (12), crotch passes backing plate (13) and matches with the oblique guide hole (21) of tiltedly loose core (16), described die cavity (5) one sides are installed drag hook (23), in gripper shoe (12) one sides collision block (24) is installed, in core fixing plate (14), have installing hole (25), mounting spring in the installing hole (26) and slide block (27), slide block matches with drag hook (23) and collision block (24), spacing blind rivet (30) is installed in the described gripper shoe (12), have spacing groove (31) in core fixing plate (14), spacing blind rivet the higher authorities pass backing plate (13) and core fixing plate (14) matches with spacing groove (31).
2. injection mold as claimed in claim 1 is bent the oblique internal core-pulling mechanism of pin, it is characterized in that: spacer pin (28) is installed in the described backing plate (13), is had stopper slot (29) under slide block (27), spacer pin matches with stopper slot.
3. injection mold as claimed in claim 1 is bent the oblique internal core-pulling mechanism of pin, it is characterized in that: described core (15) is positioned at tiltedly the afterbody of loose core (16) location plug (33) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320199318 CN203210628U (en) | 2013-04-19 | 2013-04-19 | Dog-leg cam oblique inner core pulling mechanism of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320199318 CN203210628U (en) | 2013-04-19 | 2013-04-19 | Dog-leg cam oblique inner core pulling mechanism of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203210628U true CN203210628U (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320199318 Expired - Lifetime CN203210628U (en) | 2013-04-19 | 2013-04-19 | Dog-leg cam oblique inner core pulling mechanism of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203210628U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160645A (en) * | 2017-07-12 | 2017-09-15 | 滨海模塑集团有限公司 | The oblique core pulling of molding mold cavity side wide-angle, the synchronous floating core-pulling mechanism of guide pad |
| CN113211730A (en) * | 2021-04-15 | 2021-08-06 | 浙江凯华模具有限公司 | Injection mold with linkage type back-off demolding mechanism |
-
2013
- 2013-04-19 CN CN 201320199318 patent/CN203210628U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160645A (en) * | 2017-07-12 | 2017-09-15 | 滨海模塑集团有限公司 | The oblique core pulling of molding mold cavity side wide-angle, the synchronous floating core-pulling mechanism of guide pad |
| CN113211730A (en) * | 2021-04-15 | 2021-08-06 | 浙江凯华模具有限公司 | Injection mold with linkage type back-off demolding mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TAIZHOU KAIHUA AUTOMOTIVE MOULDS CO., LTD. Free format text: FORMER NAME: TAIZHOU KAIHUA PLASTIC INDUSTRY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 317108, Zhejiang Province three counties Pu dam town (Zhejiang three coastal industrial city) Patentee after: TAIZHOU KAIHUA AUTOMOBILE MOULD CO.,LTD. Address before: The three door county of Taizhou City, Zhejiang province 317108 along the red (three in Zhejiang coastal industrial city) Patentee before: Taizhou Kaihua Plastic Industry Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |