CN212948704U - Take ejecting demoulding mechanism of secondary of back-off structure mould - Google Patents
Take ejecting demoulding mechanism of secondary of back-off structure mould Download PDFInfo
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- CN212948704U CN212948704U CN202021560338.XU CN202021560338U CN212948704U CN 212948704 U CN212948704 U CN 212948704U CN 202021560338 U CN202021560338 U CN 202021560338U CN 212948704 U CN212948704 U CN 212948704U
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- ejector pin
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Abstract
The utility model relates to a take ejecting demoulding mechanism of secondary of back-off structure mould solves unconventional ejecting demoulding mode control cost height such as oblique top, upset, problem that production efficiency is low. The right side of product is established on the first ejector pin top of this mechanism, and the left side of product is established on the second ejector pin top, and first ejector pin upper end and product right side bottom collude and detain, and the bottom mounting of first ejector pin is on first roof, and the bottom mounting of second ejector pin is on the second roof, and the separable subsides of second roof are established in the top of first roof, first roof both sides are provided with the cam-shaped roof shifting block of rotatable jacking second roof respectively, the both sides top of first roof is equipped with respectively to lean on and drives roof shifting block pivoted kicking block. The utility model discloses a lifting action once of first roof accomplishes the secondary ejecting in first ejector pin and second ejector pin jacking and the upset stage, can let the back-off structure of complicated product drawing of patterns smoothly, and control is simple, with low costs, and the drawing of patterns is efficient.
Description
Technical Field
The utility model belongs to electromechanical mould field relates to a demoulding structure of mould, in particular to take secondary ejection demoulding mechanism of back-off structure mould.
Background
The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. The mould is provided with a mould cavity which is consistent with the shape of the product and is used for forming the product. Some products produced by the die have complex workpiece structures, more holes with grooves are formed, inverted buckle structures possibly exist in die cavities of the die, ejection in the product demolding process needs to be performed in unconventional ejection modes such as inclined ejection, overturning and the like for demolding, the unconventional ejection demolding modes usually need complex control modes for matching, the control cost is increased, and the production efficiency is reduced.
Disclosure of Invention
The utility model aims to solve unconventional ejecting demoulding modes such as oblique top, upset and need complicated control mode to cooperate usually, increased control cost, reduced production efficiency's problem, provide a take ejecting demoulding mechanism of secondary of back-off structure mould, accomplish the ejecting action of sharp ejecting and the ejecting secondary of upset through a stroke, control is simple, and production efficiency is high.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a take ejecting demoulding mechanism of secondary of back-off structure mould, includes the cover half, and the cover half top surface remains the product of drawing of patterns, but the cover half from the bottom up jacking sets up first ejector pin and second ejector pin, and the right side of product is established on first ejector pin top, and the left side of product is established on second ejector pin top, its characterized in that: the left side or the right side of first ejector pin upper end are outstanding to form the back-off, and product right side bottom is colluded and is detained on the back-off, and the bottom mounting of first ejector pin is on first roof, and the bottom mounting of second ejector pin is on the second roof, and the separable subsides of second roof are established in the top of first roof, first roof both sides are provided with the cam-shaped roof shifting block of rotatable jacking second roof respectively, the both sides top of first roof is equipped with respectively to lean on and drive roof shifting block pivoted kicking block, the position that the kicking block leaned on the shifting block is located one side of shifting block axis of rotation. When the device is used for demolding, the two stages are divided into a first stage, the first top plate and the second top plate are lifted synchronously, the first top rod and the second top rod are enabled to lift a product upwards synchronously, the second stage is realized, the first top plate is lifted to a certain height, the top rod shifting block is abutted against the top block, when the first top plate is continuously lifted at the moment, the top block pushes the top rod shifting block to enable the top rod shifting block to rotate, the top rod shifting block is in a cam shape, the second top plate is relatively lifted upwards from the upper surface of the first top plate during rotation, the second top plate is separated from the first top plate, the jacking speed of the second top rod is greater than that of the first top rod at the moment, the left end of the product is enabled to tilt upwards, the product is enabled to generate overturning of high left and low right, and the product is disengaged from the back. This device is through the once lifting action of first roof, accomplishes the jacking of first ejector pin and second ejector pin and the secondary ejecting in upset stage, can let the back-off structure of complicated product drawing of patterns smoothly, and control is simple, with low costs, and the drawing of patterns is efficient.
Preferably, the top surface and the bottom surface of the back-off at the upper end of the first ejector rod are both arc surfaces, and the matching part of the bottom of the product and the back-off is an arc surface. The cambered surface back-off cooperation can make the upset drawing of patterns more smooth and easy.
Preferably, the upper end of the first top bar protrudes to the right side to form an inverted buckle.
Preferably, a hollow-out groove for the top block to pass through is formed in the position, corresponding to the top block, of the second top plate.
Preferably, a C-shaped limiting block for limiting the separation distance between the first top plate and the second top plate is arranged on the side of the first top plate and the side of the second top plate, the opening side of the C-shaped limiting block faces the first top plate and the second top plate, the lower arm of the C-shaped limiting block is attached to the bottom surface of the first top plate and moves synchronously with the first top plate, and the upper arm of the C-shaped limiting block forms the upper limit of the second top plate. Preferably, a travel switch is fixedly arranged on the side of the C-shaped limiting block, a switch shifting lever which synchronously moves is synchronously arranged on the outer side surface of the C-shaped limiting block, and the travel switch is provided with an upper stop point and a lower stop point which can be triggered by the switch shifting lever. The C-shaped limiting block is composed of a horizontal upper arm, a horizontal lower arm and a vertical connecting arm and limits the maximum distance of relative separation of the first top plate and the second top plate.
Preferably, a travel switch is fixedly arranged on the side of the first top plate, a switch shift lever which synchronously moves is synchronously arranged on the side surface of the first top plate, and the travel switch is provided with an upper stop point and a lower stop point which can be triggered by the switch shift lever.
Preferably, the first top plate is further provided with a plurality of third top rods synchronous with the first top rods. The third ejector rod enables the product to be uniformly stressed and ejected out.
Preferably, through holes are formed in the second top plate corresponding to the first ejector rod and the third ejector rod.
The utility model discloses a lifting action once of first roof accomplishes the secondary ejecting in first ejector pin and second ejector pin jacking and the upset stage, can let the back-off structure of complicated product drawing of patterns smoothly, and control is simple, with low costs, and the drawing of patterns is efficient.
Drawings
Fig. 1 is a schematic diagram of an initial state structure of the present invention.
Fig. 2 is a schematic view of the first demolding stage of the present invention.
Fig. 3 is a schematic diagram of a second demolding stage of the present invention.
In the figure: 1. the fixed die comprises a fixed die, 2, a product, 3, a first ejector rod, 4, an inverted buckle, 5, a second ejector rod, 6, a third ejector rod, 7, a first top plate, 8, a first top plate, 9, a top plate shifting block, 10, a top block, 11, a C-shaped limiting block, 12, a switch shifting rod, 13 and a travel switch.
Detailed Description
The present invention will be further described with reference to the following specific embodiments and accompanying drawings.
Example (b): a double-ejection demoulding mechanism with a mould with a back-off structure, which is shown in figures 1 to 3. This mechanism includes cover half 1, and the cover half top surface remains the product 2 of drawing of patterns, and the cover half is provided with first ejector pin 3 and the second ejector pin 5 that can from the bottom up jacking, and the right side of product is established on first ejector pin 3 top, and the left side of product is established on second ejector pin 5 top, and the cover half still is equipped with the third ejector pin 6 at the 2 middle parts of a plurality of jacking products, and the third ejector pin is along with first ejector pin synchronous motion. The right side of the upper end of the first ejector rod 3 protrudes outwards to form an inverted buckle 4, the bottom of the right side of the product is hooked on the inverted buckle, the top surface and the bottom surface of the inverted buckle 4 are cambered surfaces, and the bottom of the product 2 and the matched part of the inverted buckle are cambered surfaces.
The bottom end of the first top rod 3 is fixed on the first top plate 7, and the bottom end of the third top rod 6 is also fixed on the first top plate 7. The bottom end of the second top rod 5 is fixed on the second top plate 8, and the second top plate 8 can be detachably attached above the first top plate 7. The cam-shaped top plate shifting blocks 9 capable of rotatably jacking the second top plate are arranged on two sides of the first top plate 7 respectively, the top blocks 10 which abut against and drive the top plate shifting blocks to rotate are arranged above two sides of the first top plate respectively, and the positions of the top blocks abutting against the shifting blocks are located on the left side of the shifting block rotating shaft. The corresponding positions of the second top plate 8 and the top block 10 are provided with hollow grooves for the top block to pass through, and the corresponding positions of the second top plate 8, the first ejector rod 3 and the third ejector rod 6 are provided with through holes. The side of first roof 7 and second roof 8 is equipped with the C type stopper 11 of restriction first roof and second roof separation distance, and C type stopper opening side is towards first roof and second roof, and C type stopper 11 comprises horizontal upper arm, horizontal underarm, vertical linking arm, and the first roof bottom surface of the lower arm laminating of C type stopper is and in first roof synchronous motion, and the upper arm of C type stopper forms the last spacing of second roof. A travel switch 13 is fixedly arranged on the side of the C-shaped limiting block 11, a switch shift lever 12 which moves synchronously is synchronously arranged on the outer side surface of the C-shaped limiting block, and the travel switch 13 is provided with an upper stop point and a lower stop point which can be triggered by the switch shift lever 12.
When the device is used for demolding, the first stage is a vertical jacking stage, as shown in fig. 2, the first top plate and the second top plate are synchronously lifted, so that the first ejector rod 3, the second ejector rod 5 and the third ejector rod 6 synchronously lift the product 2 upwards; the second stage is a turning stage, as shown in fig. 3, the first top plate 7 is lifted to a certain height, the ejector rod shifting block 9 abuts against the ejector block 10, when the first top plate 7 is continuously lifted, the ejector block 10 pushes the ejector rod shifting block 9 to enable the ejector rod shifting block 9 to rotate, the ejector rod shifting block is in a cam shape, when the ejector rod shifting block rotates, the second top plate 8 is relatively lifted upwards from the upper surface of the first top plate 7, the second top plate 8 is separated from the first top plate 7, at the moment, the jacking speed of the second ejector rod 5 is greater than that of the first ejector rod 3, the left end of the product is upwards tilted, the product 2 is turned upside down, and accordingly the product is separated from the back-off button 4 at the top end of the first ejector rod 3, and demoulding.
Claims (9)
1. The utility model provides a take ejecting demoulding mechanism of secondary of back-off structure mould, includes the cover half, and the cover half top surface remains the product of drawing of patterns, but the cover half from the bottom up jacking sets up first ejector pin and second ejector pin, and the right side of product is established on first ejector pin top, and the left side of product is established on second ejector pin top, its characterized in that: the left side or the right side of first ejector pin upper end are outstanding to form the back-off, and product right side bottom is colluded and is detained on the back-off, and the bottom mounting of first ejector pin is on first roof, and the bottom mounting of second ejector pin is on the second roof, and the separable subsides of second roof are established in the top of first roof, first roof both sides are provided with the cam-shaped roof shifting block of rotatable jacking second roof respectively, the both sides top of first roof is equipped with respectively to lean on and drive roof shifting block pivoted kicking block, the position that the kicking block leaned on the shifting block is located one side of shifting block axis of rotation.
2. The secondary ejection and demolding mechanism with the inverted buckle structure mold according to claim 1, characterized in that: the top surface of the back-off at the upper end of the first ejector rod and the bottom surface of the first ejector rod are both arc surfaces, and the bottom of the product and the matching position of the back-off are arc surfaces.
3. The double-ejection demolding mechanism with the inverted-buckle-structure mold according to claim 1 or 2, characterized in that: the upper end of the first top rod protrudes towards the right side to form an inverted buckle.
4. The double-ejection demolding mechanism with the inverted-buckle-structure mold according to claim 1 or 2, characterized in that: and a hollow groove for the top block to pass through is formed in the position, corresponding to the top block, of the second top plate.
5. The double-ejection demolding mechanism with the inverted-buckle-structure mold according to claim 1 or 2, characterized in that: the side of first roof and second roof is equipped with the C type stopper of restriction first roof and second roof separation distance, and C type stopper opening side is towards first roof and second roof, and the first roof bottom surface of the lower arm laminating of C type stopper and in first roof synchronous motion, the upper arm of C type stopper forms the last spacing of second roof.
6. The double-ejection demolding mechanism with the inverted-buckle-structure mold according to claim 1 or 2, characterized in that: the side of the first top plate is fixedly provided with a travel switch, the side of the first top plate is synchronously provided with a switch deflector rod which moves synchronously, and the travel switch is provided with an upper stop point and a lower stop point which can be triggered by the switch deflector rod.
7. The secondary ejection and demolding mechanism with the inverted buckle structure mold according to claim 5, wherein: the side of the C-shaped limiting block is fixedly provided with a travel switch, the outer side face of the C-shaped limiting block is synchronously provided with a switch shifting lever which moves synchronously, and the travel switch is provided with an upper stop point and a lower stop point which can be triggered by the switch shifting lever.
8. The double-ejection demolding mechanism with the inverted-buckle-structure mold according to claim 1 or 2, characterized in that: and the first top plate is also provided with a plurality of third top rods synchronous with the first top rods.
9. The secondary ejection and demolding mechanism with the inverted buckle structure mold according to claim 8, wherein: through holes are formed in the second top plate and correspond to the first ejector rod and the third ejector rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021560338.XU CN212948704U (en) | 2020-07-31 | 2020-07-31 | Take ejecting demoulding mechanism of secondary of back-off structure mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021560338.XU CN212948704U (en) | 2020-07-31 | 2020-07-31 | Take ejecting demoulding mechanism of secondary of back-off structure mould |
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| CN212948704U true CN212948704U (en) | 2021-04-13 |
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| CN202021560338.XU Active CN212948704U (en) | 2020-07-31 | 2020-07-31 | Take ejecting demoulding mechanism of secondary of back-off structure mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114055761A (en) * | 2021-11-18 | 2022-02-18 | 厦门坚禾电子有限公司 | Double-hinge flip back-off mechanism |
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2020
- 2020-07-31 CN CN202021560338.XU patent/CN212948704U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114055761A (en) * | 2021-11-18 | 2022-02-18 | 厦门坚禾电子有限公司 | Double-hinge flip back-off mechanism |
| CN114055761B (en) * | 2021-11-18 | 2023-09-12 | 厦门坚禾电子有限公司 | Double-hinge flip back-off mechanism |
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Address after: 315800 No. 1, building 1 and building 2, No. 37, guantanghe Road, Daqi, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Xinlin Mould Technology Co.,Ltd. Address before: 315800 No.27 chunxiaoguanhai Road, Beilun District, Ningbo City, Zhejiang Province Patentee before: NINGBO BEILUN XINLIN ELECTROMECHANICAL MOULD CO.,LTD. |