CN107639797B - Automobile instrument board ejection mechanism - Google Patents
Automobile instrument board ejection mechanism Download PDFInfo
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- CN107639797B CN107639797B CN201711026897.5A CN201711026897A CN107639797B CN 107639797 B CN107639797 B CN 107639797B CN 201711026897 A CN201711026897 A CN 201711026897A CN 107639797 B CN107639797 B CN 107639797B
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Abstract
The invention discloses an automobile instrument panel ejection mechanism which comprises a bottom plate (1) and an ejector plate (2) which are arranged on a movable die, wherein an inclined ejection mechanism (3) and a straight ejection mechanism (4) which are used for ejecting a product are arranged on the ejector plate (2), the straight ejection mechanism (4) comprises a straight ejector rod (41) and a straight ejector block (42), one end of the straight ejector rod (41) is connected to the ejector plate (2), the other end of the straight ejector rod is connected with the straight ejector block (42), the straight ejector block (42) is accommodated in a movable die core (100), and the product is ejected in the vertical direction when the die is opened. According to the automobile instrument board ejection mechanism disclosed by the invention, the defect of white ejection cannot be generated on the ejection part of a product, the deep rib part of the product can be conveniently ejected, and the risk of product top penetration cannot occur.
Description
Technical Field
The invention relates to the technical field of dies, in particular to an automobile instrument panel ejection mechanism.
Background
In the injection molding product course of working, ejection mechanism is indispensable, in the motormeter panel mould, because gasbag bit architecture has the strengthening rib structure on the instrument board to the strengthening rib position degree of depth is very dark usually, and muscle thickness is thin, and the muscle position is very intensive moreover, and this has just been greatly increased ejecting difficult degree. In the existing conventional ejection mechanism, the ejector pin structure is adopted to eject a product at the position of the reinforcing rib, so that the product has the risk of being ejected, and secondly, the ejector pin ejection structure is adopted, so that after the product is ejected and demoulded, the position corresponding to the ejector pin on the product often has the defect of being ejected, namely, the ejector pin leaves dents on the product.
Therefore, it is a problem to be solved urgently to develop an ejection mechanism which can eject a product without piercing the product when a deep rib mechanism is provided and a product part with very dense rib positions is ejected and without leaving a dent defect after the ejector pins are withdrawn.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the automobile instrument panel ejection mechanism has the advantages that the defect of white ejection cannot be caused on the ejection part of a product, the deep rib part of the product can be conveniently ejected, and the risk of product ejection cannot occur.
The technical scheme adopted by the invention is as follows: the automobile instrument board ejection mechanism comprises a bottom plate and an ejector plate which are arranged on a movable die, wherein an inclined ejection mechanism and a straight ejection mechanism which are used for ejecting a product are arranged on the ejector plate, the straight ejection mechanism comprises a straight ejector rod and a straight ejector block, one end of the straight ejector rod is connected to the ejector plate, the other end of the straight ejector rod is connected with the straight ejector block, the straight ejector block is accommodated in a die core of the movable die, and the straight ejector block is used for ejecting the product in the vertical direction when the die is opened;
the inclined ejection mechanism comprises a large inclined ejection block and an inclined ejection rod, a slide seat is arranged on the ejector plate, one end of the inclined ejection rod is slidably arranged on the slide seat, the other end of the inclined ejection rod is connected with the large inclined ejection block, an accommodating groove is arranged on the large inclined ejection block, an installation block is arranged in the accommodating groove, a gap for the installation block to move is reserved between the installation block and the bottom of the accommodating groove, four small ejection blocks are arranged on the installation block, one end of each small ejection block is connected to the installation block, the other end of each small ejection block is slidably assembled on the large inclined ejection block, a pull block is arranged on the installation block, one end of each pull block is slidably connected with the installation block, the other end of each pull block is fixedly connected with the movable mold core, a wear-resistant block which is attached to and limited by the movable mold core is arranged on the installation block, when the mold is opened, the movable mold core extrudes the wear-resistant, the ejection and demolding of the barb part of the reinforcing rib of the product are realized, and during mold closing, the movable mold core drives the pull block to reset, so that the installation block and the small ejection block are driven to reset together.
Compared with the prior art, the invention has the following advantages:
in the prior art, a thimble structure is generally directly adopted for ejecting and demoulding the reinforcing rib part of a product, the strength requirement of the thimble is higher by adopting the thimble structure, and the thimble can be bent and deformed after the strength is not enough for a period of time, so that the later-stage practicability is influenced; wherein, adopt thimble ejection structure, the risk of being worn by thimble top takes place for the product again easily.
The automobile instrument board ejection mechanism disclosed by the invention solves a plurality of problems in the prior art, and firstly, the ejection mechanism disclosed by the invention comprises a straight ejection mechanism and an inclined ejection mechanism, wherein the inclined ejection mechanism is mainly used for demoulding a part of a product with a barb;
the small ejector block is connected with the mounting block in the large inclined ejector block, and the wear-resistant block is arranged on the mounting block, so that the small ejector block is ejected out by extruding the movable mould core and the wear-resistant block, and the mounting block is provided with a pull block structure.
As an improvement, the sliding seat comprises two fixing plates and a sliding plate, the sliding plate is arranged between the two fixing plates, the end faces of one side, close to the sliding plate, of the two fixing plates are both concave inwards to form a sliding groove, and protruding blocks in sliding fit with the sliding groove are arranged at the two ends of the sliding plate. The sliding plate and the fixed block adopt a sliding fit mode of the sliding groove and the convex block, the structure is simple, and the sliding is smooth.
Preferably, the lug is detachably connected with the sliding plate, and the lug is a wear-resistant block. The lug is processed separately from the sliding plate and then detachably connected together, so that the processing is more convenient, raw materials are saved, and a large part of materials are wasted if the lug is directly processed on the sliding plate; secondly, the lug structure on the sliding plate needs to do continuous reciprocating motion in the sliding groove, and great abrasion is inevitably generated in the process, so that the detachable connection mode is convenient for subsequent replacement, the lug can be directly replaced after the lug is abraded to a certain degree, the whole sliding plate does not need to be replaced, more importantly, the wear-resistant block is selected as the lug structure, the abrasion resistance of the lug is further improved, the service life is prolonged, and the cost is saved.
As an improvement, the sliding plate is provided with a guide hole, a guide sliding block is slidably arranged in the guide hole, and the guide sliding block is sleeved on the outer side wall of one end, far away from the large inclined ejector block, of the inclined ejector rod.
And when the oblique ejector rod is ejected to move to a limit position, the limit block is in limit fit in the limit groove.
As an improvement, the mounting block is provided with a first inclined chute, the pull block is provided with a second inclined chute and a guide inclined plane, when the die is closed, the movable die core pulls the pull block to reset, and the pull block drives the mounting block to reset through the guide inclined plane and the second inclined chute, so that the small ejector block is moved to reset. According to the invention, the mounting block and the pulling block are limited and fixed through the mutual matching of the inclined sliding grooves, when the mounting block and the pulling block move relatively to each other to reach a certain distance, the mounting block and the pulling block are relatively static and positioned together, and the pulling block is also provided with the inclined guide surface.
As an improvement, a guide rod is arranged between the bottom plate and the movable mould core, the guide rod can be slidably arranged on the sliding plate in a penetrating mode, and when the sliding plate slides, the guide rod is used for guiding and limiting.
Drawings
Fig. 1 is a schematic structural diagram of an automobile instrument panel ejection mechanism of the invention. (including moving mold core mechanism)
Fig. 2 is a front view (with the movable mold core removed) of the automobile instrument panel ejection mechanism of the present invention.
Fig. 3 is an enlarged schematic diagram at X in fig. 2. (Main display slide structure diagram)
Fig. 4 is a schematic structural diagram of the automobile instrument panel ejection mechanism. (removing moving mould core, thimble plate, bottom plate mechanism)
Fig. 5 is a cross-sectional view of fig. 4. (mold clamping state)
Fig. 6 is a cross-sectional view of fig. 4. (open mold state)
Fig. 7 is a cross-sectional view of fig. 4. (Re-mold closing state, main display pull block reset)
100, a movable mould core, 1, a bottom plate, 2, an ejector plate, 3, an inclined ejection mechanism, 31, a large inclined ejection block, 311, an accommodating groove, 32, an inclined ejector rod, 4, a straight ejection mechanism, 41, a straight ejector rod, 42, a straight ejection block, 5, a sliding seat, 51, a fixing plate, 511, a sliding groove, 52, a sliding plate, 521, a guide hole, 522, a limiting groove, 523, a baffle plate, 5231, a groove, 6, an installation block, 7, a small ejection block, 8, a pull block, 9, a wear-resistant block, 10, a convex block, 11, a guide slide block, 12, a limiting block, 13, a guide rod, 14, a slide rail, a sliding rail, and a guide rail
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1 to 7, the invention provides an automobile instrument panel ejection mechanism, which comprises a bottom plate 1 and an ejector plate 2 arranged on a movable mold, wherein the ejector plate 2 is arranged above the bottom plate 1, and the ejector plate 2 is provided with an inclined ejection mechanism 3 and a straight ejection mechanism 4 for ejecting a product.
The straight ejection mechanism 4 comprises a straight ejection rod 41 and a straight ejection block 42, one end of the straight ejection rod 41 is connected to the ejector plate 2, the other end of the straight ejection block is connected with the straight ejection block 42, the straight ejection block 42 is accommodated in the movable mould core 100 and used for ejecting a product in the vertical direction when the mould is opened, the straight ejection mechanism 4 is mainly used for assisting the action of the inclined ejection mechanism 3 and used for preventing the clamping phenomenon of the inclined ejection mechanism 3 and the product during demoulding, and the inclined ejection mechanism and the product are matched for use, so that the product can perform inclined ejection action while being ejected in the vertical direction, the demoulding of the product is more convenient, and particularly the product with the barb mechanism is used.
In this embodiment, as shown in fig. 4, the lifter mechanism 3 includes a large lifter block 31 and a lifter rod 32, a slide 5 is disposed on the lifter plate 2, one end of the lifter rod 32 is slidably disposed on the slide 5, the other end is connected with the large lifter block 31 by a screw connection, a receiving slot 311 is disposed on the large lifter block 31, a mounting block 6 is disposed in the receiving slot 311, a gap for moving the mounting block 6 is left between the mounting block 6 and the receiving slot 311, in this embodiment, the predetermined distance of the gap is 8.5mm, four small lifter blocks 7 are disposed on the mounting block 6, a mounting hole is disposed at a position of the large lifter block 31 corresponding to the small lifter blocks 7, one end of each small lifter block 7 is connected to the mounting block 6, the other end is slidably mounted in the hole of the large lifter block 31, a pull-mounting block 8 is disposed on the mounting block 6, one end of the pull-mounting block 8 is slidably connected with the mounting block 6, specifically, a first inclined chute is disposed on the mounting, the pull block 8 is provided with a second inclined chute and a guide inclined plane, when the die is closed, the movable die core 100 pulls the pull block 8 to reset, and the pull block 8 drives the mounting block 6 to reset through the guide inclined plane and the second inclined chute, so that the small ejector block 7 is moved to reset.
The other end of the pulling block 8 is fixedly connected with the movable mould core 100, and the mounting block 6 is provided with a wear-resistant block 9 which is attached to and limited by the movable mould core 100.
Specifically, the sliding base 5 includes two fixed plates 51 and a sliding plate 52, the sliding plate 52 is disposed between the two fixed plates 51, the end surfaces of the two fixed plates 51 close to one side of the sliding plate 52 are all recessed to form a sliding groove 511, the two ends of the sliding plate 52 are both provided with a protruding block 10 in sliding fit with the sliding groove 511, preferably, the protruding block 10 is detachably connected with the sliding plate 52, and the protruding block 10 is a wear-resistant block.
As shown in fig. 5, when the mold clamping state is started, the protrusion 10 and the movable mold core 10 are in close fit, at this time, the top block of the mold is in a forbidden state, and a gap a between the mounting block 6 and the bottom of the receiving groove 311 is 8.5 mm.
As shown in fig. 6, when the product is ejected by the mold opening of the grinding tool, the movable mold core 100 extrudes the wear-resistant block 9 to move, and at the same time, drives the mounting block 6 to move forward by a certain distance, so as to drive the small ejector block 7 to extend out from the surface of the large lifter 31, thereby realizing ejection and demolding of the barb portion of the reinforcing rib of the product, and at this time, the distance b between the mounting block 6 and the bottom of the accommodating groove 311 is still 0.5 mm.
As shown in fig. 7, when the mold is closed again, the movable mold core 100 drives the pull block 8 to move to the reset position, so as to drive the mounting block 6 to move to the reset position together with the small top block 7, and at this time, the gap between the mounting block 6 and the bottom of the receiving groove 311 becomes a ═ 8.5mm, and the reset process is completed.
Be equipped with guiding hole 521 on the slide 52, slidable is equipped with direction slider 11 in the guiding hole 521, it is concrete, it is equipped with baffle 523 to lie in guiding hole 521 both sides edge position on the slide 52, direction slider 1 lies in between two baffles 523, and baffle 523 is close to the interior recess 5231 that forms of 11 side end faces of direction slider, all be equipped with on the two sides face of direction slider 11 with recess 5231 sliding fit's guide rail 14, this guide rail 14 and 11 detachable connections of direction slider, make things convenient for the change in later stage, the cover of direction slider 11 is established on the lateral wall that big oblique ejector pin 31 one end was kept away from to oblique ejector pin 32, during the die sinking, the movable mould drives oblique ejector pin 32 motion, under oblique ejector pin 32 guide effect, direction slider 11 slides in guiding hole 521 along guide rail 14.
A limiting groove 522 is formed in the sliding plate 52 below the guide hole 521, a limiting block 12 is arranged at one end, away from the large inclined ejector block 31, of the inclined ejector rod 32, and when the inclined ejector rod 32 performs ejection movement to a limiting position, the limiting block 12 is in limiting fit in the limiting groove 522.
In this embodiment, a guide rod 13 is disposed between the bottom plate 1 and the movable mold core 100, the guide rod 13 is slidably disposed on the sliding plate 52, and when the sliding plate 52 slides, the guide rod 13 is used for guiding and limiting.
The foregoing has described preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary, and various changes made within the scope of the independent claims of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides an header board ejection mechanism, is including setting up bottom plate (1) and thimble board (2) on the movable mould, its characterized in that: the mold comprises an ejector plate (2), and is characterized in that an inclined ejector mechanism (3) and a straight ejector mechanism (4) for ejecting a product are arranged on the ejector plate (2), the straight ejector mechanism (4) comprises a straight ejector rod (41) and a straight ejector block (42), one end of the straight ejector rod (41) is connected to the ejector plate (2), the other end of the straight ejector rod is connected with the straight ejector block (42), the straight ejector block (42) is accommodated in a movable mold core (100), and the mold is opened for ejecting the product in the vertical direction;
the inclined ejector mechanism (3) comprises a large inclined ejector block (31) and an inclined ejector rod (32), a sliding seat (5) is arranged on an ejector plate (2), one end of the inclined ejector rod (32) is slidably arranged on the sliding seat (5), the other end of the inclined ejector rod is connected with the large inclined ejector block (31), a containing groove (311) is formed in the large inclined ejector block (31), an installation block (6) is arranged in the containing groove (311), a gap for the installation block (6) to move is reserved between the installation block (6) and the containing groove (311), four small ejector blocks (7) are arranged on the installation block (6), one end of each small ejector block (7) is connected to the installation block (6), the other end of each small ejector block is slidably assembled on the large inclined ejector block (31), a pull block (8) is arranged on the installation block (6), one end of each pull block (8) is slidably connected with the installation block (6), and the other end of each movable mold core (100) is fixedly connected with a movable mold core, the mounting block (6) on be equipped with the spacing wear-resisting piece (9) of movable mould mold core (100) laminating, during the die sinking, movable mould mold core (100) extrusion wear-resisting piece (9) motion drives mounting block (6) simultaneously and removes to order about little kicking block (7) and stretch out from big sloping kicking block (31) surface, realize the ejecting drawing of patterns at product strengthening rib barb position, during the compound die, movable mould mold core (100) drive and draw piece (8) to reset, thereby order about mounting block (6) and little kicking block (7) to reset together.
2. The automobile instrument panel ejection mechanism of claim 1, wherein: slide (5) include two fixed plates (51) and slide (52), slide (52) set up between two fixed plates (51) to the equal indent of terminal surface that one side of slide (52) is close to in two fixed plates (51) forms spout (511), the both ends of slide (52) all are equipped with spout (511) sliding fit's lug (10).
3. The automobile instrument panel ejection mechanism of claim 2, wherein: the convex block (10) is detachably connected with the sliding plate (52), and the convex block (10) is a wear-resistant block.
4. The automobile instrument panel ejection mechanism of claim 2, wherein: slide (52) on be equipped with guiding hole (521), guiding hole (521) in slidable be equipped with direction slider (11), direction slider (11) cover establish oblique ejector pin (32) keep away from on the lateral wall of big oblique ejector block (31) one end.
5. The automobile instrument panel ejection mechanism of claim 4, wherein: a limiting groove (522) is formed in the sliding plate (52) below the guide hole (521), a limiting block (12) is arranged at one end, far away from the large inclined ejector block (31), of the inclined ejector rod (32), and when the inclined ejector rod (32) performs ejection movement to a limiting position, the limiting block (12) is in limiting fit in the limiting groove (522).
6. The automobile instrument panel ejection mechanism of claim 1, wherein: the die is characterized in that a first oblique sliding groove is formed in the mounting block (6), a second oblique sliding groove and a guide inclined surface are formed in the pulling block (8), the pulling block (8) is pulled by the movable die core (100) to reset during die assembly, the pulling block (8) drives the mounting block (6) to reset through the guide inclined surface and the second oblique sliding groove, and therefore the small ejection block (7) is moved to reset.
7. The automobile instrument panel ejection mechanism of claim 2, wherein: a guide rod (13) is arranged between the base plate (1) and the movable mould core (100), the guide rod (13) can be slidably arranged on the sliding plate (52) in a penetrating mode, and when the sliding plate (52) slides, the guide rod (13) is used for guiding and limiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711026897.5A CN107639797B (en) | 2017-10-27 | 2017-10-27 | Automobile instrument board ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711026897.5A CN107639797B (en) | 2017-10-27 | 2017-10-27 | Automobile instrument board ejection mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107639797A CN107639797A (en) | 2018-01-30 |
| CN107639797B true CN107639797B (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711026897.5A Active CN107639797B (en) | 2017-10-27 | 2017-10-27 | Automobile instrument board ejection mechanism |
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| Country | Link |
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| CN (1) | CN107639797B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109228194A (en) * | 2018-11-21 | 2019-01-18 | 浙江三雷模塑有限公司 | Car insurance bar mold with special-shaped back-off pitched roof mechanism |
| CN111571513A (en) * | 2020-06-02 | 2020-08-25 | 江苏泰特汽车配件股份有限公司 | Ejection mechanism for upper body reinforcing bracket of automobile front door |
| CN112265232A (en) * | 2020-09-30 | 2021-01-26 | 宁波方正汽车模具股份有限公司 | Secondary ejection mechanism for motor housing die |
| CN114872283B (en) * | 2022-04-27 | 2023-05-23 | 欧唐科技（深圳）有限公司 | Deep rib inner ring inner draw Ke Jiaocha demoulding mould |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0993926A1 (en) * | 1998-10-16 | 2000-04-19 | Rehau S.A. | Device for maintaining a plastic injection moulded article during extraction of forming parts |
| CN202862528U (en) * | 2012-09-30 | 2013-04-10 | 大连大显高木模具有限公司 | Automobile stand column mould with deep angle ejector demoulding structure |
| CN106393602A (en) * | 2016-08-31 | 2017-02-15 | 宁波方正汽车模具有限公司 | Ejection device for bumper mould |
| CN206326040U (en) * | 2016-06-22 | 2017-07-14 | 天津银宝山新科技有限公司 | Strip or the oblique top stripper apparatus for having Weak link intensity portion workpiece |
-
2017
- 2017-10-27 CN CN201711026897.5A patent/CN107639797B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0993926A1 (en) * | 1998-10-16 | 2000-04-19 | Rehau S.A. | Device for maintaining a plastic injection moulded article during extraction of forming parts |
| CN202862528U (en) * | 2012-09-30 | 2013-04-10 | 大连大显高木模具有限公司 | Automobile stand column mould with deep angle ejector demoulding structure |
| CN206326040U (en) * | 2016-06-22 | 2017-07-14 | 天津银宝山新科技有限公司 | Strip or the oblique top stripper apparatus for having Weak link intensity portion workpiece |
| CN106393602A (en) * | 2016-08-31 | 2017-02-15 | 宁波方正汽车模具有限公司 | Ejection device for bumper mould |
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| CN107639797A (en) | 2018-01-30 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 315600 Meilin street, Ningbo City, Ningbo, Zhejiang Province, No. 3 middle road, No. 3 Applicant after: Ningbo Fangzheng automobile mould Limited by Share Ltd Address before: 315600 Zhejiang city of Ningbo province Ninghai County Tashan Industrial Zone Qixing Road No. 28 Applicant before: Ningbo Fangzheng Tool Co., Ltd. |
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| SE01 | Entry into force of request for substantive examination | ||
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