CN211763195U - Simple large-reverse-buckle oblique-sliding ejection mechanism - Google Patents
Simple large-reverse-buckle oblique-sliding ejection mechanism Download PDFInfo
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- CN211763195U CN211763195U CN201922392956.1U CN201922392956U CN211763195U CN 211763195 U CN211763195 U CN 211763195U CN 201922392956 U CN201922392956 U CN 201922392956U CN 211763195 U CN211763195 U CN 211763195U
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Abstract
The utility model discloses a simple and easy big back-off pushes out mechanism that slides to one side, it includes pushes up slider, straight ejector pin to one side, pushes up the higher authority of slider to one side have with the identical profile of the inboard shape of goods and with the identical back-off of the back-off shape of goods inlay the core. The left side face of the pitched roof sliding block extends downwards obliquely to form a wedge-shaped part, and the wedge-shaped part is obliquely arranged towards the right side of the pitched roof sliding block. The straight ejector rod is vertically arranged, and the upper end of the straight ejector rod penetrates through the wedge-shaped part and is connected with the inclined ejector slide block in a horizontally sliding clamping mode. When the die core is used, the inclined top sliding block is located in a placing groove of the die core in a sliding mode, the wedge-shaped portion penetrates out of the placing groove, and the die core is provided with an inclined guide hole for the wedge-shaped portion to penetrate through. The utility model provides a big back-off pushes out mechanism to one side can be used to the ejecting of big back-off, and ejecting stroke is little, can reduce mould manufacturing and running cost.
Description
Technical Field
The utility model relates to an injection mold's technical field, in particular to simple and easy big back-off oblique slip ejection mechanism.
Background
In the mold injection industry, product back-off is generally demolded by a lifter mechanism. As shown in fig. 1, a plastic product 500 is provided, wherein both ends of the inner side of the product 500 are provided with a buckling position 501 with a length of 18mm, and the buckling position 501 is suspended, when demolding is performed from the direction a, the buckling position 501 and the inner side of the product 5800 form an 18mm inverted buckle 502, and demolding needs to be performed by adopting a large-stroke lifter. Because the stroke of back-off 502 is great, the oblique top needs to be made into the oblique top with a great inclination, and the ejection distance is also great. The inclination of the inclined top is too large, so that the problems of jamming, deformation of the inclined top rod and the like are easily caused; too large a lift-out distance increases the thickness of the mold.
SUMMERY OF THE UTILITY MODEL
The main objective of the utility model is to provide a simple and easy big back-off mechanism that slides to one side can be used to the ejecting of big back-off, and ejecting stroke is little, can reduce mould manufacturing and running cost.
In order to achieve the above object, the utility model provides a simple and easy big back-off oblique slip ejection mechanism, it includes pushes up slider, straight ejector pin to one side, the higher authority of pushing up the slider to one side have with the identical profile of the inboard shape of goods and with the identical back-off of the back-off shape of goods inlay the core. The left side face of the inclined top sliding block extends downwards obliquely to form a wedge-shaped part, and the wedge-shaped part is arranged obliquely towards the right side of the inclined top sliding block. The straight ejector rod is vertically arranged, and the upper end of the straight ejector rod penetrates through the wedge-shaped part and is connected with the inclined ejector sliding block in a horizontally sliding clamping mode.
During application, the inclined top sliding block is located in a placing groove of the mold core in a sliding mode, the wedge-shaped portion penetrates out of the placing groove, and the mold core is provided with an inclined guide hole for the wedge-shaped portion to penetrate through.
Optionally, the device further comprises a guide block, the guide block is horizontally arranged, and the straight ejector rod penetrates through the guide block and the wedge-shaped part to be connected with the inclined ejector slide block in a horizontally sliding clamping mode.
Optionally, the wedge is inclined at an angle of 20 degrees.
Optionally, a horizontally arranged T-shaped sliding groove is concavely formed in the bottom surface of the oblique top sliding block, a T-shaped sliding rail is convexly formed at the top of the straight top rod, and the T-shaped sliding rail is slidably engaged in the T-shaped sliding groove.
The technical scheme of the utility model through set up the wedge portion that the slope set up to oblique top slider right side below in the left side of pushing up the slider to set up the oblique guiding hole that supplies this wedge portion to pass on the mould core, will directly push up the ejector pin simultaneously and be connected with oblique top slider slip block. When straight ejector pin promoted oblique top slider rebound, the left surface of wedge portion and the empty left medial surface laminating of oblique direction, ejecting in-process receives the extrusion of the left medial surface of oblique guiding hole, can move to the left side when pushing up the slider rebound to one side, slides along the incline direction of wedge portion promptly for the back-off on oblique top slider right side inlays the core and breaks away from out from the back-off structure of goods.
Compare with current oblique top mechanism, the beneficial effects of the utility model reside in that:
1. the straight ejector rod occupies less die space compared with the inclined ejector rod, has small ejection stroke, is convenient for reducing the die volume and reduces the die manufacturing and operating cost.
2. The oblique sliding ejection mechanism structure formed by the oblique ejection sliding block and the straight ejection rod can enlarge the application range of the oblique ejection angle and effectively adapt to the oblique sliding ejection of a large back-off structure.
3. Simple structure and convenient manufacture and production.
Drawings
FIG. 1 is a schematic structural diagram of a conventional plastic product;
fig. 2 is a schematic structural diagram of an embodiment of the present invention;
fig. 3 is a schematic view of the state of the utility model before the product is ejected;
fig. 4 is a schematic diagram of the state after the product is ejected out of the present invention.
In the reference numerals: 100-angle top slide block, 101-reverse buckle embedded core, 102-wedge part, 100 a-molded surface; 200-straight ejector rods and 201-T-shaped sliding rails; 300-a guide block; 400-mold core, 401-oblique guide hole, 401 a-inner left side; 500-product, 501-button position, 502-upside down.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the accompanying drawing 1, an embodiment of the present invention provides a simple large-undercut inclined-sliding ejection mechanism, which includes an inclined-ejecting slider 100 and a straight ejector rod 200. The upper surface of the lifter slider 100 has a profile 100a conforming to the shape of the inner side of the product 500 and an inverted insert 101 conforming to the shape of the inverted button 502 of the product 500. The left side surface of the lifter slider 100 extends obliquely left and down to form a wedge portion 102, and the wedge portion 102 is disposed obliquely to the right side of the lifter slider 100. Specifically, in the present embodiment, the inclination angle of the wedge portion 102 is 20 degrees. The straight ejector rod 200 is vertically arranged, and the upper end of the straight ejector rod passes through the wedge-shaped part 102 and is in horizontal sliding clamping connection with the inclined ejector slide block 100. When in use, the pitched roof sliding block 100 is slidably positioned in the placing groove of the mold core 400, the wedge-shaped part 102 penetrates out of the placing groove, and the mold core 400 is provided with a tilted guide hole 401 for the wedge-shaped part 102 to penetrate through.
The technical scheme of the utility model through set up the wedge portion 102 that the slope set up to the oblique top slider 100 right side in the left side below at oblique top slider 100 to set up the oblique guiding hole 401 that supplies this wedge portion 102 to pass on mould core 400, will directly push up pole 200 and oblique top slider 100 slip block simultaneously and be connected. When the straight ejector rod 200 pushes the pitched roof slider 100 to move upwards, the right side inclined surface of the wedge-shaped part 102 is attached to the right side surface 401a of the pitched guide hole 401, and in the ejection process, the pitched roof slider 100 moves upwards and moves towards the left side at the same time under the extrusion of the right side surface of the pitched guide hole 401, so that the pitched roof slider 100 slides along the inclined direction of the wedge-shaped part 102, and the inverted embedded core 101 of the pitched roof slider 100 is separated from the inverted buckle 502 of the product 500.
Compare with current oblique top mechanism, the beneficial effects of the utility model reside in that:
1. compared with an inclined ejector rod, the straight ejector rod 200 occupies smaller die space, has small ejection stroke, is convenient for reducing the die size and reduces the die manufacturing and operating cost.
2. The oblique sliding ejection mechanism structure formed by the oblique ejection sliding block 100 and the straight ejector rod 200 can enlarge the application range of the oblique ejection angle and effectively adapt to the oblique sliding ejection of a large reverse buckling structure.
3. Simple structure and convenient manufacture and production.
Optionally, in the above embodiment, the angle slide ejecting mechanism further includes a guide block 300, the guide block 300 is horizontally disposed in the mold, and the straight ejector pin 200 is horizontally slidably engaged with the angle slide 100 through the guide block 300 and the wedge portion 102. Through setting up the guide block, can guarantee the vertical ejecting stability upwards of straight ejector pin 200.
Alternatively, in the above embodiment, the bottom surface of the inclined top slider 100 is concavely provided with the horizontally disposed T-shaped chute 103, the top of the straight top rod 200 is convexly provided with the T-shaped slide rail 201, and the T-shaped slide rail 201 is slidably engaged in the T-shaped chute 103. Through adopting T type spout 103 and T type slide rail 201 as the slip block structure, its cooperation precision is high and stable, and convenient manufacturing.
The above is only the preferred embodiment of the present invention, not used in the present invention, and any slight modifications, equivalent replacements and improvements made by the technical entity of the present invention to the above embodiments should be included in the protection scope of the technical solution of the present invention.
Claims (4)
1. A simple large-reverse-buckle oblique-sliding ejection mechanism comprises an oblique-ejection sliding block and a straight ejector rod, and is characterized in that a profile matched with the inner side shape of a product and a reverse-buckle embedded core matched with the reverse-buckle shape of the product are arranged on the oblique-ejection sliding block; the left side surface of the inclined top sliding block extends downwards obliquely to form a wedge-shaped part, and the wedge-shaped part is arranged obliquely towards the right side of the inclined top sliding block; the straight ejector rod is vertically arranged, and the upper end of the straight ejector rod penetrates through the wedge-shaped part and is horizontally connected with the inclined ejector slide block in a sliding and clamping manner;
during application, the inclined top sliding block is located in a placing groove of the mold core in a sliding mode, the wedge-shaped portion penetrates out of the placing groove, and the mold core is provided with an inclined guide hole for the wedge-shaped portion to penetrate through.
2. The simple large-undercut angle-slip ejecting mechanism according to claim 1, further comprising a guide block, wherein the guide block is horizontally disposed, and the straight ejector rod passes through the guide block and the wedge-shaped portion to be horizontally slidably engaged with the angle-slip ejecting block.
3. The simplified large undercut angle-slide ejector mechanism of claim 1, wherein the angle of inclination of said wedge-shaped portion is 20 degrees.
4. The simple large-reverse-buckling inclined sliding ejection mechanism according to any one of claims 1 to 3, wherein a horizontally arranged T-shaped sliding groove is concavely arranged on the bottom surface of the inclined ejection slide block, a T-shaped sliding rail is convexly arranged on the top of the straight ejection rod, and the T-shaped sliding rail is slidably engaged in the T-shaped sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922392956.1U CN211763195U (en) | 2019-12-26 | 2019-12-26 | Simple large-reverse-buckle oblique-sliding ejection mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922392956.1U CN211763195U (en) | 2019-12-26 | 2019-12-26 | Simple large-reverse-buckle oblique-sliding ejection mechanism |
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| Publication Number | Publication Date |
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| CN211763195U true CN211763195U (en) | 2020-10-27 |
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| CN201922392956.1U Active CN211763195U (en) | 2019-12-26 | 2019-12-26 | Simple large-reverse-buckle oblique-sliding ejection mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113618979A (en) * | 2021-08-02 | 2021-11-09 | 浙江凯华模具有限公司 | Convenient ejecting oblique top subassembly |
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2019
- 2019-12-26 CN CN201922392956.1U patent/CN211763195U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113618979A (en) * | 2021-08-02 | 2021-11-09 | 浙江凯华模具有限公司 | Convenient ejecting oblique top subassembly |
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