CN109016406B - Ejection device for bumper mold - Google Patents

Ejection device for bumper mold Download PDF

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Publication number
CN109016406B
CN109016406B CN201810987717.8A CN201810987717A CN109016406B CN 109016406 B CN109016406 B CN 109016406B CN 201810987717 A CN201810987717 A CN 201810987717A CN 109016406 B CN109016406 B CN 109016406B
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China
Prior art keywords
sliding
ejection
straight
block
straight ejection
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CN109016406A (en
Inventor
刘扬
叶军
胡迪
金伟
王一栋
应可国
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Ningbo Fangzheng Tool Co Ltd
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Ningbo Fangzheng Tool Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • B29C45/401Ejector pin constructions or mountings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/30Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3044Bumpers

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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 ejection device for a bumper mould, which comprises a small straight ejection mechanism, a large straight ejection mechanism and a moving mould insert core (1) of an inclined ejection mechanism; the small straight ejector block (2) is embedded in the large straight ejector block (5), and the inclined ejector block (8) is connected with the large straight ejector block (5) in a sliding manner; the lower end of the large straight ejection guide rod (9) is connected in the movable die insert core (1) in a sliding mode through a sliding foot component, and the inclined ejection guide rod (12) is connected with the sliding foot component in a sliding mode; the small straight ejection guide rod (4) is connected with the large straight ejection block (5) in a sliding manner in the vertical direction, and the lower end of the small straight ejection guide rod is connected with the inclined ejection block (8) in a sliding manner in the horizontal direction; a return stroke structure which can lead the small straight ejecting block (2) and the big straight ejecting block (5) to be automatically separated is arranged in the sliding component. After the structure is adopted, the structure is simple and compact, and each demoulding action can be accurately realized without damaging the product.

Description

Ejection device for bumper mold
Technical Field
The invention relates to the technical field of molds, in particular to an ejection device for a bumper mold.
Background
As the automobile industry develops, automobile bumpers are required to be lightweight as an important safety device in addition to a protection function, and front and rear bumpers of automobiles are formed by injection molding of plastic materials through molds for the purpose of weight reduction. The automobile bumper made of plastic has good strength, rigidity and decoration, and can play a role of buffering when an automobile collides, so that front and rear automobile bodies are protected. In the prior art, the automobile bumper is provided with a front lamp or a rear lamp, and the front lamp or the rear lamp is connected with the panel at the position of the lampshade into a whole so as to improve the aesthetic property. Among the prior art, the mould that is used for the shaping of car bumper all is provided with big straight kicking block and big oblique kicking block structure at the both ends head of shaping product usually, and big straight kicking block promotes and vertical upward movement through the straight ejector pin of vertical setting, and big oblique kicking block upwards promotes through the oblique ejector pin that the slant set up to, oblique kicking block have one can with core complex inclined plane, at the whole upward movement's of oblique kicking block in-process, the top of oblique kicking block is right or left removal simultaneously.
Generally, the prior mould structure can basically meet the demoulding requirement of the automobile bumper product, in practical production, however, especially when the structural requirement that the panels at the positions of the lamp covers of the front lamp or the rear lamp are connected into a whole is increased, the conventional die cannot be adopted to realize one-time complete demoulding of the automobile bumper product, this is because the panel at the location of the lampshade has a concave inner surface, and it is necessary to provide a small straight-top structure in the mold at the location of the lampshade panel, so that, the bumper lampshade is provided with a large straight-top structure, a small straight-top structure and an inclined-top structure, therefore, the inside of the mold at this position is very complicated, and at the same time, due to the presence of the pitched roof structure, the demolding of the large pitched roof structure, the small pitched roof structure and the pitched roof structure is performed step by step, or else, interference occurs to destroy the product itself, and therefore, a plurality of ejector devices for demolding step by step are provided inside the mold. However, the volume of the mold inside the inner surface of the product is limited, and if two straight tops and one inclined top are arranged inside the mold on the panel of the lampshade, a base is arranged at the bottom of each straight top or inclined top by adopting the traditional mold, and two bases or a plurality of bases cannot be arranged at spatial positions in the mold, so that the taking of the product with the structure is difficult to realize, and the taking of the whole product becomes very difficult; in order to ensure the smooth demolding of the product, the whole automobile bumper product can be usually removed from the mold by secondary ejection, but if the secondary ejection is adopted, the demolding cost is greatly increased, and the demolding efficiency is reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing the ejection device for the bumper mould, which has stable and reliable action and can accurately realize step-by-step ejection.
In order to solve the technical problem, the ejection device for the bumper mold comprises a small straight ejection mechanism, a large straight ejection mechanism and an inclined ejection mechanism which are used at the panel of the automobile bumper lampshade, and a movable mold insert (1) which is connected with the small straight ejection mechanism, the large straight ejection mechanism and the inclined ejection mechanism; the small straight ejection block (2) in the small straight ejection mechanism is embedded in the large straight ejection block (5) in the large straight ejection mechanism, and the inclined ejection block (8) in the inclined ejection mechanism is in sliding connection with the large straight ejection block (5) in the large straight ejection mechanism; the lower end of a large straight ejection guide rod (9) in the large straight ejection mechanism is connected in the movable die insert core (1) in a sliding mode through a sliding assembly, and an inclined ejection guide rod (12) in the inclined ejection mechanism is connected with the sliding assembly in a sliding mode; a small straight ejection guide rod (4) in the small straight ejection mechanism is in sliding connection with a large straight ejection block (5) in the large straight ejection mechanism in the vertical direction, and the lower end of the small straight ejection guide rod (4) is in sliding connection with an inclined ejection block (8) in the inclined ejection mechanism in the horizontal direction; a return stroke structure for automatically separating the small straight ejecting block (2) from the large straight ejecting block (5) is arranged in the sliding assembly; the lower end of the movable die insert (1) is fixed on a movable die base plate (11), an ejector plate (10) is connected to the movable die base plate (11) in a sliding mode in the vertical direction, an accommodating cavity for accommodating a sliding assembly is arranged between the ejector plate (10) and the movable die base plate (11), and the sliding assembly is connected with the ejector plate (10); the sliding assembly comprises a fixed plate (13), a sliding guide plate (14), a straight ejection sliding foot (15), an inclined ejection sliding block (16) and a limiting rod (19); the two fixing plates (13) are respectively positioned on two sides of the accommodating cavity and fixedly connected with the ejector plate (10); the two sliding guide plates (14) are respectively connected with the inner side walls of the two fixed plates (13) in a sliding manner in the horizontal direction; the straight ejection sliding foot (15) is connected between the two sliding guide plates (14) in a sliding manner in the inclined direction, the inclined ejection sliding block (16) is connected between the two sliding guide plates (14) in a sliding manner in the horizontal direction, and an inclined ejection guide rod (12) in the inclined ejection mechanism is connected with the inclined ejection sliding block (16) in a sliding manner; two ends of the limiting rod (19) are respectively inserted with the end parts of the two sliding guide plates (14); the outer side wall of the sliding guide plate (14) in sliding connection with the fixed plate (13) is provided with a guide plate convex strip (24) in the horizontal direction, and the inner side wall of the corresponding fixed plate (13) is provided with a guide plate sliding groove (17) matched with the guide plate convex strip (24); a sliding foot chute (18) is arranged on the inner side wall of the sliding guide plate (14), one end of the sliding foot chute (18) is an opening end extending to the end face of the sliding guide plate (14), the other end of the sliding foot chute (18) is a limiting end of the sliding stroke of the straight-top sliding foot (15), the height from the opening end to the bottom face of the sliding guide plate (14) is lower than the height from the limiting end to the bottom face of the sliding guide plate (14), and sliding foot inclined convex strips (21) in sliding fit with the sliding foot chute (18) are arranged on two sides of the corresponding straight-top sliding foot (15); two ends of the limiting rod (19) are respectively inserted into the open ends of the sliding pin chutes (18) on the two sliding guide plates (14), and limiting grooves (20) matched with the limiting rod (19) are formed in the end faces, opposite to the limiting rod (19), of the straight-top sliding pins (15); the inner side wall of the sliding guide plate (14) is also provided with two inclined top protruding blocks (23), the two inclined top protruding blocks (23) are respectively positioned at the upper side and the lower side of the sliding guide plate (14), an inclined top clamping groove (22) in the horizontal direction is formed between the two inclined top protruding blocks (23), and two corresponding inclined top protruding strips (25) in sliding fit with the inclined top clamping groove (22) are arranged on the two side walls of the inclined top sliding block (16); the straight ejection sliding foot (15) is in sliding fit with the sliding foot chute (18) to form a return stroke structure for automatically separating the small straight ejection block (2) from the large straight ejection block (5); the vertical direction sliding connection of the small straight ejection guide rod (4) in the small straight ejection mechanism and the large straight ejection block (5) in the large straight ejection mechanism means that the upper end of the small straight ejection guide rod (4) is fixedly connected with the small straight ejection block (2), the guide sleeve (3) is tightly matched in the large straight ejection block (5), the small straight ejection guide rod (4) is in sliding connection with the guide sleeve (3), and the lower end of the small straight ejection guide rod (4) is located outside the bottom surface of the large straight ejection block (5).
The lower end of the small straight ejection guide rod is in sliding connection with the inclined ejection block in the inclined ejection mechanism in the horizontal direction, namely, a groove is formed in the end face, connected with the large straight ejection block, of the inclined ejection block, the bottom of the groove is a horizontal plane, a base plate is connected to the bottom of the groove, and the bottom end of the small straight ejection guide rod is in sliding connection with the upper surface of the base plate.
After adopting the structure, compared with the prior art, the invention has the following advantages:
1) because of the return stroke structure in the sliding assembly, the ejection of the small straight ejection mechanism, the ejection of the large straight ejection mechanism and the ejection of the inclined ejection mechanism are effectively combined together, the step-by-step demolding among the small straight ejection mechanism, the large straight ejection mechanism and the inclined ejection mechanism is realized, the internal structure of the mold is simpler and more compact, and the demolding efficiency is greatly improved;
2) in the sliding assembly, through the matching between the oblique convex strip of the sliding foot on the straight ejection sliding foot and the oblique groove of the sliding foot on the sliding guide plate, the large straight ejection block returns downwards for a certain distance after being ejected upwards together with the oblique ejection mechanism, and the small straight ejection block is still supported on the oblique ejection block by the small straight ejection guide rod, so that the small straight ejection block and the large straight ejection block are automatically separated;
drawings
Fig. 1 is a schematic structural view of an ejector device for a bumper mold according to the present invention.
Fig. 2 is a partial structural schematic view of the ejector device for a bumper mold of the present invention.
Fig. 3 is a schematic structural view of the ejector device for a bumper mold of the present invention.
Fig. 4 is a schematic view of the structure of the sliding unit according to the present invention.
Fig. 5 is a schematic sectional view of the sliding assembly of the present invention.
FIG. 6 is a schematic view showing the structure of the slide guide in the present invention.
FIG. 7 is a schematic view of the structure of the straight top runner of the present invention.
Fig. 8 is a schematic structural view of the lifter slider according to the present invention.
Wherein, 1, the movable mould insert core; 2. a small straight top block; 3. a guide sleeve; 4. a small straight-top guide rod; 5. a large straight top block; 6. a groove; 7. a base plate; 8. a slanted ejecting block; 9. a large straight top guide rod; 10. an ejector plate; 11. a movable mold base plate; 12. a slanted ejecting guide rod; 13. a fixing plate; 14. a sliding guide plate; 15. a straight top sliding foot; 16. a slanted ejecting slider; 17. a guide plate chute; 18. a runner chute; 19. a limiting rod; 20. a limiting groove; 21. oblique convex strips of the sliding feet; 22. a slanted ejecting slot; 23. a pitched roof bump; 24. a guide plate convex strip; 25. obliquely ejecting convex strips.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As can be seen from the schematic structural diagrams of the ejection device for the bumper mold shown in fig. 1 to 8, the ejection device comprises a small straight ejection mechanism, a large straight ejection mechanism and an inclined ejection mechanism which are used at the panel of a lampshade of an automobile bumper, and a movable mold insert 1 connected with the small straight ejection mechanism, the large straight ejection mechanism and the inclined ejection mechanism. The small straight ejection block 2 in the small straight ejection mechanism is embedded in the large straight ejection block 5 in the large straight ejection mechanism, and the inclined ejection block 8 in the inclined ejection mechanism is in sliding connection with the large straight ejection block 5 in the large straight ejection mechanism. The lower end of a large straight ejection guide rod 9 in the large straight ejection mechanism is connected in the movable die insert 1 in a sliding mode through a sliding assembly, and an inclined ejection guide rod 12 in the inclined ejection mechanism is connected with the sliding assembly in a sliding mode. The small straight ejection guide rod 4 in the small straight ejection mechanism is in sliding connection with the large straight ejection block 5 in the large straight ejection mechanism in the vertical direction, and the lower end of the small straight ejection guide rod 4 is in sliding connection with the inclined ejection block 8 in the inclined ejection mechanism in the horizontal direction. And a return stroke structure for automatically separating the small straight ejecting block 2 from the large straight ejecting block 5 is arranged in the sliding assembly.
The lower extreme of movable mould insert 1 fix on movable mould bottom plate 11, vertical direction sliding connection has thimble board 10 on the movable mould bottom plate 11, is equipped with the holding chamber of holding sliding assembly between thimble board 10 and the movable mould bottom plate 11, sliding assembly is connected with thimble board 10.
The sliding assembly comprises a fixed plate 13, a sliding guide plate 14, a straight-pushing sliding foot 15, an inclined-pushing sliding block 16 and a limiting rod 19. Wherein, the fixed plates 13 are two and are respectively positioned at two sides of the accommodating cavity and fixedly connected with the ejector plate 10. The two sliding guide plates 14 are respectively connected with the inner side walls of the two fixed plates 13 in a sliding manner in the horizontal direction. The straight ejection sliding foot 15 is connected between the two sliding guide plates 14 in a sliding manner in the inclined direction, the inclined ejection sliding block 16 is connected between the two sliding guide plates 14 in a sliding manner in the horizontal direction, and the inclined ejection guide rod 12 in the inclined ejection mechanism is connected with the inclined ejection sliding block 16 in a sliding manner. Two ends of the limiting rod 19 are respectively inserted with the end parts of the two sliding guide plates 14.
The outer side wall of the sliding guide plate 14 in sliding connection with the fixed plate 13 is provided with a guide plate convex strip 24 in the horizontal direction, and the inner side wall of the corresponding fixed plate 13 is provided with a guide plate sliding groove 17 matched with the guide plate convex strip 24. The inner side wall of the sliding guide plate 14 is provided with a sliding leg chute 18, one end of the sliding leg chute 18 is an opening end extending to the end face of the sliding guide plate 14, the other end of the sliding leg chute 18 is a limiting end of the sliding stroke of the straight-top sliding leg 15, the height from the opening end to the bottom face of the sliding guide plate 14 is lower than the height from the limiting end to the bottom face of the sliding guide plate 14, and two sides of the corresponding straight-top sliding leg 15 are provided with sliding leg inclined convex strips 21 in sliding fit with the sliding leg chute 18. Two ends of the limiting rod 19 are respectively inserted into the open ends of the sliding pin chutes 18 on the two sliding guide plates 14, and the end surface of the straight top sliding pin 15 opposite to the limiting rod 19 is provided with a limiting groove 20 matched with the limiting rod 19. The inner side wall of the sliding guide plate 14 is further provided with two inclined top protruding blocks 23, the two inclined top protruding blocks 23 are respectively located on the upper side and the lower side of the sliding guide plate 14, an inclined top clamping groove 22 in the horizontal direction is formed between the two inclined top protruding blocks 23, and inclined top protruding strips 25 in sliding fit with the inclined top clamping groove 22 are arranged on two corresponding side walls of the inclined top sliding block 16. The straight-top sliding foot 15 and the sliding foot chute 18 are in sliding fit to form a return structure with the small straight-top block 2 and the large straight-top block 5 automatically separated.
The vertical sliding connection of the small straight ejection guide rod 4 in the small straight ejection mechanism and the large straight ejection block 5 in the large straight ejection mechanism means that the upper end of the small straight ejection guide rod 4 is fixedly connected with the small straight ejection block 2, the guide sleeve 3 is tightly matched in the large straight ejection block 5, the small straight ejection guide rod 4 is in sliding connection with the guide sleeve 3, and the lower end of the small straight ejection guide rod 4 is positioned outside the bottom surface of the large straight ejection block 5.
The lower end of the small straight ejection guide rod 4 is in sliding connection with the inclined ejection block 8 in the inclined ejection mechanism in the horizontal direction, namely, a groove 6 is formed in the end face, connected with the large straight ejection block 5, of the inclined ejection block 8, the groove bottom of the groove 6 is a horizontal plane, a base plate 7 is connected to the groove bottom of the groove 6, and the bottom end of the small straight ejection guide rod 4 is in sliding connection with the upper surface of the base plate 7.
The working process of the ejection device is as follows: when the ejection is started, the ejector plate slides upwards to drive the straight ejector sliding foot 15 to move upwards, so that the large straight ejector block 5 and the inclined ejector block 8 are driven to move upwards together. In the process of moving upwards, the large straight ejecting block 5 is pulled to fall back downwards through the matching of the oblique convex strip 21 of the sliding foot on the straight ejecting sliding foot 15 and the oblique convex strip 18 of the sliding foot on the sliding guide plate 14, and at the moment, the small straight ejecting block 2 is still supported at the upper end through the action of the backing plate 7 and the small straight ejecting guide rod 4, so that the small straight ejecting block 2 is separated from the large straight ejecting block 5.
The above description is only a preferred embodiment of the present invention, and it should not be understood that the scope of the present invention is limited thereby, and it should be understood by those skilled in the art that various other modifications and equivalent arrangements can be made by applying the technical solutions and concepts of the present invention within the scope of the present invention as defined in the appended claims.

Claims (2)

1. The utility model provides an ejecting device for bumper mould which characterized in that: the automobile bumper lamp comprises a small straight-pushing mechanism, a large straight-pushing mechanism and an inclined-pushing mechanism which are used at the panel of a lamp shade of an automobile bumper, and a movable die insert core (1) which is connected with the small straight-pushing mechanism, the large straight-pushing mechanism and the inclined-pushing mechanism; the small straight ejection block (2) in the small straight ejection mechanism is embedded in the large straight ejection block (5) in the large straight ejection mechanism, and the inclined ejection block (8) in the inclined ejection mechanism is in sliding connection with the large straight ejection block (5) in the large straight ejection mechanism; the lower end of a large straight ejection guide rod (9) in the large straight ejection mechanism is connected in the movable die insert core (1) in a sliding mode through a sliding assembly, and an inclined ejection guide rod (12) in the inclined ejection mechanism is connected with the sliding assembly in a sliding mode; a small straight ejection guide rod (4) in the small straight ejection mechanism is in sliding connection with a large straight ejection block (5) in the large straight ejection mechanism in the vertical direction, and the lower end of the small straight ejection guide rod (4) is in sliding connection with an inclined ejection block (8) in the inclined ejection mechanism in the horizontal direction; a return stroke structure for automatically separating the small straight ejecting block (2) from the large straight ejecting block (5) is arranged in the sliding assembly; the lower end of the movable die insert (1) is fixed on a movable die base plate (11), an ejector plate (10) is connected to the movable die base plate (11) in a sliding mode in the vertical direction, an accommodating cavity for accommodating a sliding assembly is arranged between the ejector plate (10) and the movable die base plate (11), and the sliding assembly is connected with the ejector plate (10); the sliding assembly comprises a fixed plate (13), a sliding guide plate (14), a straight ejection sliding foot (15), an inclined ejection sliding block (16) and a limiting rod (19); the two fixing plates (13) are respectively positioned on two sides of the accommodating cavity and fixedly connected with the ejector plate (10); the two sliding guide plates (14) are respectively connected with the inner side walls of the two fixed plates (13) in a sliding manner in the horizontal direction; the straight ejection sliding foot (15) is connected between the two sliding guide plates (14) in a sliding manner in the inclined direction, the inclined ejection sliding block (16) is connected between the two sliding guide plates (14) in a sliding manner in the horizontal direction, and an inclined ejection guide rod (12) in the inclined ejection mechanism is connected with the inclined ejection sliding block (16) in a sliding manner; two ends of the limiting rod (19) are respectively inserted with the end parts of the two sliding guide plates (14); the outer side wall of the sliding guide plate (14) in sliding connection with the fixed plate (13) is provided with a guide plate convex strip (24) in the horizontal direction, and the inner side wall of the corresponding fixed plate (13) is provided with a guide plate sliding groove (17) matched with the guide plate convex strip (24); a sliding foot chute (18) is arranged on the inner side wall of the sliding guide plate (14), one end of the sliding foot chute (18) is an opening end extending to the end face of the sliding guide plate (14), the other end of the sliding foot chute (18) is a limiting end of the sliding stroke of the straight-top sliding foot (15), the height from the opening end to the bottom face of the sliding guide plate (14) is lower than the height from the limiting end to the bottom face of the sliding guide plate (14), and sliding foot inclined convex strips (21) in sliding fit with the sliding foot chute (18) are arranged on two sides of the corresponding straight-top sliding foot (15); two ends of the limiting rod (19) are respectively inserted into the open ends of the sliding pin chutes (18) on the two sliding guide plates (14), and limiting grooves (20) matched with the limiting rod (19) are formed in the end faces, opposite to the limiting rod (19), of the straight-top sliding pins (15); the inner side wall of the sliding guide plate (14) is also provided with two inclined top protruding blocks (23), the two inclined top protruding blocks (23) are respectively positioned at the upper side and the lower side of the sliding guide plate (14), an inclined top clamping groove (22) in the horizontal direction is formed between the two inclined top protruding blocks (23), and two corresponding inclined top protruding strips (25) in sliding fit with the inclined top clamping groove (22) are arranged on the two side walls of the inclined top sliding block (16); the straight ejection sliding foot (15) is in sliding fit with the sliding foot chute (18) to form a return stroke structure for automatically separating the small straight ejection block (2) from the large straight ejection block (5); the vertical direction sliding connection of the small straight ejection guide rod (4) in the small straight ejection mechanism and the large straight ejection block (5) in the large straight ejection mechanism means that the upper end of the small straight ejection guide rod (4) is fixedly connected with the small straight ejection block (2), the guide sleeve (3) is tightly matched in the large straight ejection block (5), the small straight ejection guide rod (4) is in sliding connection with the guide sleeve (3), and the lower end of the small straight ejection guide rod (4) is located outside the bottom surface of the large straight ejection block (5).
2. The ejector device for a bumper mold according to claim 1, wherein: the lower end of the small straight ejection guide rod (4) is in sliding connection with the inclined ejection block (8) in the inclined ejection mechanism in the horizontal direction, namely, a groove (6) is formed in the end face, connected with the large straight ejection block (5), of the inclined ejection block (8), the groove bottom of the groove (6) is a horizontal plane, a base plate (7) is connected to the groove bottom of the groove (6), and the bottom end of the small straight ejection guide rod (4) is in sliding connection with the upper surface of the base plate (7).
CN201810987717.8A 2016-08-31 2016-08-31 Ejection device for bumper mold Active CN109016406B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201810987717.8A CN109016406B (en) 2016-08-31 2016-08-31 Ejection device for bumper mold
CN201610788761.7A CN106393602B (en) 2016-08-31 2016-08-31 Liftout attachment for bumper mold

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CN109016406B true CN109016406B (en) 2020-08-11

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CN107020727B (en) * 2017-05-26 2022-12-20 台州市凯华汽车模具有限公司 Firm front mold demoulding mechanism of injection mold bumper
CN109318453A (en) * 2017-07-31 2019-02-12 苏州毕维斯模塑有限公司 Injection mold for the production of automobile rearview mirror plastic parts
CN107639797B (en) * 2017-10-27 2019-12-31 宁波方正汽车模具股份有限公司 Automobile instrument board ejection mechanism
CN109483771B (en) * 2018-12-27 2023-09-19 重庆平伟汽车零部件有限公司 Inclined plane pore-forming mechanism, manufacturing mould of framework and vacuum forming method of framework
CN109910248A (en) * 2019-05-05 2019-06-21 深圳市银宝山新科技股份有限公司 Interior parting mold and its demoulding mechanism
CN110962301B (en) * 2019-11-26 2021-09-03 常州机电职业技术学院 Bumper injection mold and warpage rate control method thereof
CN111331797A (en) * 2020-04-21 2020-06-26 苏州德丽雅塑胶科技有限公司 Multi-side core-pulling three-ejection four-parting die
CN112223694B (en) * 2020-08-17 2022-08-05 安徽科正模具有限公司 Ejection device of automobile bumper mould
CN113334704B (en) * 2021-05-06 2022-11-01 宁波方正汽车模具股份有限公司 Combined inclined top demoulding mechanism

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