CN108927964B - Secondary buckling position forming inclined ejection device and injection mold - Google Patents
Secondary buckling position forming inclined ejection device and injection mold Download PDFInfo
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- CN108927964B CN108927964B CN201811032047.0A CN201811032047A CN108927964B CN 108927964 B CN108927964 B CN 108927964B CN 201811032047 A CN201811032047 A CN 201811032047A CN 108927964 B CN108927964 B CN 108927964B
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- 238000002347 injection Methods 0.000 title claims abstract description 11
- 239000007924 injection Substances 0.000 title claims abstract description 11
- 238000000465 moulding Methods 0.000 claims description 53
- 230000000670 limiting effect Effects 0.000 claims description 45
- 238000003825 pressing Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 abstract description 18
- 238000001746 injection moulding Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 description 43
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 16
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a secondary buckling position forming inclined ejection device and an injection mold, and relates to the technical field of injection molds. According to the secondary buckling position forming inclined ejection device, the buckling positions and the buckling grooves can be formed at one time by adopting the integrated structure, so that the processing and material cost is reduced, different forming mechanisms are not required to be independently driven, the injection molding period is shortened, and abnormal matching of different mechanism parts is avoided.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a secondary buckling position forming inclined ejection device and an injection mold.
Background
In the process of traditional injection molding, when a buckling position and a buckling groove are required to be molded on a product, two mechanisms of an inclined ejection mechanism and a sliding block mechanism are required to be utilized for molding, wherein a core-pulling molding rod for molding the buckling groove is arranged on the sliding block mechanism, the core-pulling molding rod is required to be matched with the inclined ejection mechanism, and the sliding block mechanism and the inclined ejection mechanism are required to be independently driven in the molding process so as to mold the buckling groove and the buckling position respectively.
When the molding system is used for molding the buckling position and the buckling groove of the product, the following defects are overcome:
1. the forming mechanism is more, the design difficulty is increased, the processing cost is increased, and the exchange period is prolonged indirectly;
2. the core-pulling forming rod is easy to rotate in the core-pulling process, and the forming quality is affected;
3. the molding systems are matched more and are driven independently, so that the risk of problems of the mold structure is increased;
4. the forming is performed through an inclined ejection mechanism and a sliding block mechanism, the operation process is complex, and the forming period is prolonged.
Therefore, it is important to design and manufacture a secondary buckling position forming inclined top device capable of solving the problems.
Disclosure of Invention
In view of the above, the invention aims to provide a secondary buckling position forming inclined ejection device which adopts an integrated structure, can form buckling positions and buckling grooves at one time, reduces processing and material cost, simultaneously does not need to independently drive different mechanisms, shortens injection molding period, and avoids abnormal matching of different mechanism parts.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the utility model provides a secondary detains position shaping and pushes up device to one side, including oblique top, oblique ejector pin and detain position shaping and insert the needle, oblique ejector pin is connected with the bottom of oblique top, and the top to one side has relative front and back, and the shaping recess has been seted up to the front of top to one side, and insert the needle jack has been seted up to the back of top to one side, inserts the needle jack and communicates with the shaping recess to one side, and detain position shaping and insert the needle detachably and set up at the back of top to one side, and detain the tip of position shaping and insert the needle jack and stretch into shaping recess by the back of top to one side.
Further, the secondary buckling position forming inclined ejection device further comprises a jacking block ejection assembly, the jacking block ejection assembly is embedded in one side, far away from the buckling position forming insert needle, of the inclined ejection head and can be ejected outwards, and the jacking block ejection assembly is arranged at the edge of the forming groove.
Further, the ejector block ejecting assembly comprises a first ejector block and a second ejector block, wherein the first ejector block is embedded on the inclined ejector head and can eject outwards, the first ejector block is provided with a first forming side wall, the first forming side wall is flush with the edge of the forming groove, the second ejector block is embedded on the inclined ejector head and can eject outwards, the second ejector block is provided with a second forming side wall, the second forming side wall is flush with the edge of the forming groove, and the first forming side wall, the second forming side wall and the forming groove jointly enclose a cavity.
Further, the first ejector block comprises a first ejector block body, a first elastic piece and a first limiting connecting piece, one end of the first limiting connecting piece is detachably connected with the first ejector block body, the other end of the first limiting connecting piece is movably connected with the inclined ejector head, and the first elastic piece is arranged on the inner side of the first ejector block body and is abutted to the inclined ejector head and used for outwards ejecting the first ejector block body.
Further, the second ejector block comprises a second ejector block body, a second elastic piece and a second limiting connecting piece, one end of the second limiting connecting piece is detachably connected with the second ejector block body, the other end of the second limiting connecting piece is movably connected with the inclined ejector head, and the second elastic piece is arranged on the inner side of the second ejector block body and is abutted to the inclined ejector head and used for outwards ejecting the second ejector block body.
Further, detain position shaping mold insert and include detain position mold insert needle body and mold insert pressure plate, detain position mold insert needle body's one end and insert the needle jack and stretch into shaping recess, mold insert pressure plate setting is on the oblique top and the butt is detained the other end of position mold insert needle body.
Further, one end of the buckling position insert needle body extending into the forming groove is provided with a forming convex head, and the forming convex head is provided with a demoulding inclination.
Further, the buckling position forming insert further comprises a third limiting connecting piece, a connecting hole is formed in the insert pressing plate, one end of the third limiting connecting piece is detachably connected with the inclined top, and the other end of the third limiting connecting piece is detachably connected with the insert pressing plate through the connecting hole.
Further, the bottom of the inclined top head is provided with an inclined top rod limiting block, and the inclined top rod limiting block is connected with the inclined top rod in a clamping mode.
Compared with the prior art, the secondary buckling position forming inclined top device has the following advantages:
according to the secondary buckling position forming inclined ejection device, the inclined ejector rod is connected with the bottom of the inclined ejector head, the forming groove is formed in one side of the inclined ejector head, the insert pin inserting hole is formed in the other side of the inclined ejector head, penetrates through the inclined ejector head and is communicated with the forming groove, the buckling position forming insert pin is detachably arranged on one side, far away from the forming groove, of the inclined ejector head, and the end portion of the buckling position forming insert pin is inserted into the insert pin inserting hole and extends into the forming groove. In the molding process, firstly, the buckling position molding insert pin is installed in place, the head of the buckling position molding insert pin extends into the molding groove, the die clamping Shi Moren is pressed on one side of the inclined top head with the molding groove, and when the inclined top head is separated from the die core, the core pulling molding process and the buckling molding process of the buckling position molding insert pin can be realized, namely, the buckling groove structure of the head molding product of the buckling position molding insert pin is utilized, and the buckling position structure of the product is directly molded through the molding groove. According to the secondary buckling position forming inclined ejection device, the buckling position forming insert pin is detachably arranged on the inclined ejection head, and the head of the buckling position forming insert pin extends into the forming insert pin.
According to the secondary buckling position forming oblique jacking device, the jacking block ejecting assembly is embedded in one side, away from the buckling position forming insert pin, of the oblique jacking head, and can be ejected outwards and arranged at the edge of the forming groove to form a part of the side wall of the forming groove and participate in the forming buckling position structure. When the die is assembled, the die core is pressed on the side of the forming groove of the inclined ejection head, the ejection assembly of the ejection block is embedded on the inclined ejection head under the pressure of the die core, after the product is formed, the inclined ejection head is separated from the die core, and at the moment, the ejection assembly of the ejection block loses the limit of the die core so as to eject the inclined ejection head, so that the phenomenon of sticking the die between the buckling structure of the product and the ejection assembly of the ejection block is prevented, and smooth taking out of the product is ensured.
According to the secondary buckling position forming inclined ejection device, one end of the buckling position needle body is inserted into the array sinking jack and extends into the forming groove, and the needle inserting pressing plate is arranged on the inclined ejection head and is abutted against the other end of the buckling position needle body. And detain position and insert needle body and stretch into the one end of shaping recess and have shaping protruding head, shaping protruding head has the drawing of patterns inclination, can ensure detain position and insert needle body horizontal direction and break away from the product, convenient drawing of patterns to form buckle groove structure.
The invention further aims to provide an injection mold which can mold the buckling position and the buckling groove at one time, reduce the processing and material cost, simultaneously avoid separately driving different mechanisms, shorten the injection molding period and avoid the abnormal condition of matching different mechanism parts.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the utility model provides an injection mold, including mould benevolence and secondary knot position shaping oblique top device, secondary knot position shaping oblique top device includes oblique top, oblique ejector pin and detains position shaping mold insert needle, the ejector pin is connected with the bottom of oblique top to one side, the top to one side has relative front and back, the shaping recess has been seted up to the front of top to one side, insert needle jack has been seted up to the back of top to one side, insert needle jack runs through oblique top and communicates with the shaping recess, detain position shaping mold insert needle detachably and set up in the back of oblique top, and detain the tip of position shaping mold insert needle by the back of oblique top insert needle jack and stretch into the shaping recess. The oblique top is matched with the mould core.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of a secondary buckling position forming pitched roof device according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a connection structure of the angled plug of FIG. 1 at a first view angle;
FIG. 3 is a schematic view of a connection structure of the angled plug of FIG. 1 at a second view;
FIG. 4 is a schematic view of a connection structure of the angled plug of FIG. 1 at a third view;
FIG. 5 is a schematic view of the first top block of FIG. 4;
FIG. 6 is a schematic view of the second top block of FIG. 4;
FIG. 7 is a schematic view of a connection structure of the angled plug of FIG. 1 at a fourth view angle;
fig. 8 is a schematic view of the structure of the insert pin of fig. 7.
Reference numerals illustrate:
icon: 1-a secondary buckling position forming inclined ejection device; 2-an oblique plug; 3-inclined ejector rods; 4-buckling position forming insert pins; 5-ejecting the assembly by the ejector block; 6-forming grooves; 7-an inclined ejector rod limiting block; 8-a first top block; 9-a second top block; 10-a first top block body; 11-a first elastic member; 12-a first limit connector; 13-a second top block body; 14-a second elastic member; 15-a second limit connector; 16-buckling the needle body; 17-embedding needle pressing plates; 18-a third limit connector; 19-forming the raised head.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In addition, references to the terms "upper", "inner", "outer", etc., in the embodiments of the present invention indicate that the apparatus or element in question has been put into practice, based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the inventive product is conventionally put, merely for convenience of description and to simplify the description, but do not indicate or imply that the apparatus or element in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. The invention will be described in detail below with reference to the drawings in connection with embodiments.
First embodiment
Referring to fig. 1 to 3, the present embodiment provides a secondary buckling position forming inclined ejection device 1, which is used for matching with a mold core to form a buckling position structure and a buckling groove structure of a product.
This secondary detains position shaping to one side top device 1 includes oblique top 2, oblique top pole 3, detain position shaping mold insert 4 and kicking block and pop out subassembly 5, oblique top pole 3 is connected with the bottom of oblique top 2, oblique top 2 has relative front and back, shaping recess 6 has been seted up to the front of oblique top, insert needle jack has been seted up to the back of oblique top 2, insert needle jack runs through oblique top 2 and communicates with shaping recess 6, detain position shaping mold insert 4 detachably sets up at the back of oblique top 2, and detain position shaping mold insert 4's tip by the back of oblique top 2 insert needle jack and stretch into shaping recess 6. The ejector block ejecting assembly 5 is embedded on one side, far away from the buckling position forming insert pin 4, of the inclined ejector head 2 and can be ejected outwards, and the ejector block ejecting assembly 5 is arranged at the edge of the forming groove 6.
In this embodiment, the front surface of the inclined top refers to the side of the inclined top that needs to be matched with the mold core to form the molding cavity, and the back surface of the inclined top is opposite to the front surface of the inclined top.
In the molding process, firstly, the buckling position molding insert 4 is installed in place, the head of the buckling position molding insert 4 extends into the molding groove 6, the die clamping Shi Moren is pressed on one side of the inclined top head 2 with the molding groove 6, and when the inclined top head 2 is separated from the die core, the core pulling molding process and the buckling molding process of the buckling position molding insert 4 can be realized, namely, the buckling groove structure of the head molding product of the buckling position molding insert 4 is utilized, and the buckling position structure of the product is directly molded through the molding groove 6.
It should be noted that, in this embodiment, the forming groove 6 extends in a bending shape, so as to form a bending-shaped buckling structure, and the insert pin insertion hole penetrates to the end of the forming groove 6, so that the head of the buckling forming insert pin 4 extends into the end of the forming groove 6, so as to form a buckling groove at the end of the buckling structure. Of course, the penetration position of the insertion hole can be adjusted according to the structural requirement of the actual product, and is not described herein.
In this embodiment, the shaping recess 6 is two, and two shaping recess 6 symmetry sets up on oblique top 2, detains position shaping mold insert 4 and also is two, and two knot position shaping mold insert 4 stretch into the tip of two shaping recess 6 respectively, and the knot position structure and the buckle groove structure of two products of secondary knot position shaping oblique top device 1 that this embodiment provided can simultaneously be formed have improved shaping efficiency greatly.
In this embodiment, the bottom of the inclined jack 2 is provided with an inclined jack stopper 7, and the inclined jack stopper 7 is clamped with the inclined jack 3, so as to limit the inclined jack 3.
Referring to fig. 4 to 6, the ejector assembly 5 includes a first ejector block 8 and a second ejector block 9, where the first ejector block 8 is embedded in the inclined header 2 and can eject outwards, the first ejector block 8 has a first molded side wall, the first molded side wall is flush with an edge of the molding groove 6, the second ejector block 9 is embedded in the inclined header 2 and can eject outwards, the second ejector block 9 has a second molded side wall, the second molded side wall is flush with an edge of the molding groove 6, and the first molded side wall, the second molded side wall and the molding groove 6 together enclose a cavity, specifically, the first molded side wall and the second molded side wall are both involved in a buckling structure of the molded product, the inclined header 2 is separated from the mold core after molding is completed, and the first ejector block 8 and the second ejector block 9 sequentially eject the inclined header 2, so that the first molded side wall and the second molded side wall are separated from the buckling structure of the product, and the sticking phenomenon is avoided.
In this embodiment, the side edge of the first top block 8 is provided with a first inner groove, the end of the first inner groove is flush with the edge of the forming groove 6, and the side wall of the first inner groove forms a first forming side wall and participates in the forming buckle structure. The top side of the second ejector block 9 is provided with a second inner groove position, the end part of the second inner groove position is flush with the lower side edge of the forming groove 6, and the side wall of the second inner groove position forms a second forming side wall and participates in the forming buckling structure.
In this embodiment, two second top blocks 9 are disposed opposite to each other and are disposed on the lower side edges of the two forming grooves 6, and the two second top blocks 9 respectively have second forming sidewalls, and the two second forming sidewalls respectively participate in forming the buckling structures of the two products. The first ejector block 8 is embedded between the two forming grooves 6, the two sides of the first ejector block 8 are provided with first forming side walls, and the two first forming side walls are close to the end parts of the two forming grooves 6 and participate in forming buckling structures of two products.
The first ejector block 8 comprises a first ejector block body 10, a first elastic piece 11 and a first limiting connecting piece 12, one end of the first limiting connecting piece 12 is detachably connected with the first ejector block body 10, the other end of the first limiting connecting piece 12 is movably connected with the inclined ejector head 2, and the first elastic piece 11 is arranged on the inner side of the first ejector block body 10 and is abutted with the inclined ejector head 2 and used for outwards ejecting the first ejector block body 10.
The second ejector block 9 comprises a second ejector block body 13, a second elastic piece 14 and a second limiting connecting piece 15, one end of the second limiting connecting piece 15 is detachably connected with the second ejector block body 13, the other end of the second limiting connecting piece 15 is movably connected with the inclined ejector head 2, and the second elastic piece 14 is arranged on the inner side of the second ejector block body 13 and is abutted with the inclined ejector head 2 and used for outwards ejecting the second ejector block body 13.
In this embodiment, the first limiting connecting piece 12 and the second limiting connecting piece 15 are connecting bolts, and the first limiting connecting piece 12 and the second limiting connecting piece are both provided with movable shaft portions, the movable shaft portions can slide relative to the inclined top 2, and the nut portions of the first limiting connecting piece 12 and the second limiting connecting piece 15 selectively abut against the inclined top 2, so that the first top block 8 and the second top block 9 are conveniently limited when the first top block body 10 or the second top block body 13 is ejected out, and falling off from the inclined top 2 is avoided. Of course, the first limiting connector 12 and the second limiting connector 15 may be other types of connectors, such as rivets or screws, and the like, which are not particularly limited herein.
In this embodiment, the first elastic member 11 and the second elastic member 14 are compression springs, when the first top block body 10 is embedded in the inclined top head 2, the first elastic member 11 is in a compressed state, when the second top block body 13 is embedded in the inclined top head 2, the second elastic member 14 is in a compressed state, when the inclined top head 2 is separated from the mold core, the first elastic member 11 ejects the first top block body 10, and the second elastic member 14 ejects the second top block body 13. When the inclined ejection head 2 receives the mold core pressure during mold closing, the first elastic piece 11 and the second elastic piece 14 are pressed and are in a compressed state again, and at the moment, the first ejection block body 10 and the second ejection block body 13 are reset to carry out next molding. Of course, the first elastic member 11 and the second elastic member 14 may be other types of elastic members such as elastic rubber columns or elastic sheets, which are not particularly limited herein.
Referring to fig. 7 and 8 in combination, the buckling position forming insert 4 includes a buckling position insert body 16, an insert pressing plate 17 and a third limiting connecting piece 18, one end of the buckling position insert body 16 is inserted into the insert insertion hole and extends into the forming groove 6, and the insert pressing plate 17 is arranged on the inclined plug 2 and abuts against the other end of the buckling position insert body 16. The needle pressing plate 17 is provided with a connecting hole, one end of the third limiting connecting piece 18 is detachably connected with the inclined top head 2, and the other end of the third limiting connecting piece 18 is detachably connected with the needle pressing plate 17 through the connecting hole.
In this embodiment, the end of the buckling position insert needle body 16 extending into the forming groove 6 is provided with a forming convex head 19, the forming convex head 19 is provided with a demoulding slope, and the buckling position insert needle body 16 can be ensured to be separated from a product in the horizontal direction, so that the buckling groove structure is formed. Specifically, the forming raised head 19 is in a cross boss shape, so that a cross-shaped fastening groove can be formed on the fastening structure of the product, of course, the specific shape of the forming raised head 19 can be adjusted according to the structural requirement of the product, for example, a circular boss or a rectangular boss can also be used, and the invention is not limited in detail herein.
In this embodiment, the third limiting connector 18 is a connecting bolt, and detachably connects the needle pressing plate 17 to the inclined top 2. Specifically, the number of the third limiting connectors 18 is two, and the two third limiting connectors 18 are respectively arranged at two ends of the needle pressing plate 17, so that the middle part of the needle pressing plate 17 is abutted against the end part of the buckling position needle inserting body 16, and the limiting effect is ensured.
In summary, the working principle of the secondary buckling forming pitched roof device 1 provided in this embodiment is as follows: the oblique jacking head 2 has horizontal dividing motion in the motion process, and can realize the core pulling molding process and the buckle molding process of the buckling position molding insert needle 4 so as to mold a buckle groove structure and a buckle structure, wherein the horizontal molding direction of the buckling position molding insert needle 4 is consistent with the horizontal dividing motion direction of the oblique jacking head 2. Specifically, when the product is formed, the inclined ejection head 2 is separated from the mold core, the first ejection block body 10 is ejected outwards due to the elastic action of the first elastic piece 11, the second ejection block body 13 is ejected outwards due to the elastic action of the second elastic piece 14, the phenomenon of sticking of the buckling position structure is avoided, when the inclined ejection head 2 receives the mold core pressure during mold closing, the first elastic piece 11 and the second elastic piece 14 are pressed to be in a compressed state again, at the moment, the first ejection block body 10 and the second ejection block body 13 are reset to carry out next forming, and the buckling position needle inserting body 16 is limited through the needle inserting pressure plate 17, so that synchronous movement of the buckling position needle inserting body 16 and the inclined ejection head 2 is ensured, the forming convex head 19 of the buckling position needle inserting body 16 has a demolding slope, the buckling position needle inserting body 16 is prevented from being separated from the product in the horizontal direction, and the buckling position needle inserting body 16 is convenient to be demolded, and a buckling position groove structure is formed.
Second embodiment
The embodiment provides an injection mold, and it can one shot forming shaping detains position and buckle groove, has reduced processing and material cost, need not to drive different mechanisms alone simultaneously, has shortened injection molding cycle, has avoided the emergence of different mechanism spare cooperation abnormal conditions. The injection mold comprises a mold core and a secondary buckling position forming inclined top device 1, wherein the basic structure and principle of the secondary buckling position forming inclined top device 1 and the generated technical effects are the same as those of the first embodiment, and for the sake of brevity, the corresponding contents in the first embodiment can be referred to for the parts not mentioned in this embodiment.
This secondary detains position shaping to one side of putting up device 1 including oblique top 2, oblique top pole 3, detain position shaping and insert needle 4 and kicking block and pop out subassembly 5, oblique top pole 3 is connected with the bottom of oblique top 2, shaping recess 6 has been seted up to the front of oblique top 2, insert the needle jack has been seted up to the back of oblique top 2, insert the needle jack run through oblique top 2 and with shaping recess 6 intercommunication, detain position shaping and insert needle 4 detachably and set up in the one side that shaping recess 6 was kept away from to oblique top 2, and detain position shaping and insert needle 4's tip by the back of oblique top 2 insert the needle jack and stretch into shaping recess 6. The ejector block ejecting assembly 5 is embedded on one side, far away from the buckling position forming insert pin 4, of the inclined ejector head 2 and can be ejected outwards, and the ejector block ejecting assembly 5 is arranged at the edge of the forming groove 6. The oblique plug 2 is matched with the die core.
In the molding process, firstly, the buckling position molding insert 4 is installed in place, the head of the buckling position molding insert 4 extends into the molding groove 6, the die clamping Shi Moren is pressed on one side of the inclined top head 2 with the molding groove 6, and when the inclined top head 2 is separated from the die core, the core pulling molding process and the buckling molding process of the buckling position molding insert 4 can be realized, namely, the buckling groove structure of the head molding product of the buckling position molding insert 4 is utilized, and the buckling position structure of the product is directly molded through the molding groove 6.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The secondary buckling position forming oblique jacking device is characterized by comprising an oblique jacking head (2), an oblique jacking rod (3) and a buckling position forming insert pin (4), wherein the oblique jacking rod (3) is connected with the bottom of the oblique jacking head (2), the oblique jacking head (2) is provided with a front surface and a back surface which are opposite, the front surface of the oblique jacking head (2) is provided with a forming groove (6), the back surface of the oblique jacking head (2) is provided with an insert pin jack, the insert pin jack penetrates through the oblique jacking head (2) and is communicated with the forming groove (6), the buckling position forming insert pin (4) is detachably arranged on the back surface of the oblique jacking head (2), and the end part of the buckling position forming insert pin (4) is inserted into the insert pin jack from the back surface of the oblique jacking head (2) and stretches into the forming groove (6);
the secondary buckling position forming inclined ejection device further comprises a jacking block ejection assembly (5), wherein the jacking block ejection assembly (5) is used for being embedded at one side, far away from the buckling position forming insert needle (4), of the inclined ejection head (2) under the pressure of a die core, and can be ejected outwards when the inclined ejection head (2) is separated from the die core, so that a phenomenon of sticking a die between a buckling position structure of a product and the jacking block ejection assembly (5) is prevented, and the jacking block ejection assembly (5) is arranged at the edge of the forming groove (6) and used for forming a part of the side wall of the forming groove (6) and participating in forming the buckling position structure;
the ejector assembly (5) comprises a first ejector block (8) and a second ejector block (9), the first ejector block (8) is embedded on the inclined ejector head (2) and can eject outwards, the first ejector block (8) is provided with a first forming side wall, the first forming side wall is flush with the edge of the forming groove (6), the second ejector block (9) is embedded on the inclined ejector head (2) and can eject outwards, the second ejector block (9) is provided with a second forming side wall, the second forming side wall is flush with the edge of the forming groove (6), and the first forming side wall, the second forming side wall and the forming groove (6) jointly enclose a cavity;
the button position forming insert pin (4) comprises a button position insert pin body (16) and an insert pin pressing plate (17), one end of the button position insert pin body (16) is inserted into the insert pin inserting hole and stretches into the forming groove (6), and the insert pin pressing plate (17) is arranged on the inclined top head (2) and is abutted to the other end of the button position insert pin body (16).
2. The secondary buckling position forming inclined jacking device according to claim 1, wherein the first jacking block (8) comprises a first jacking block body (10), a first elastic piece (11) and a first limiting connecting piece (12), one end of the first limiting connecting piece (12) is detachably connected with the first jacking block body (10), the other end of the first limiting connecting piece (12) is movably connected with the inclined jacking head (2), and the first elastic piece (11) is arranged on the inner side of the first jacking block body (10) and is abutted to the inclined jacking head (2) and used for outwards popping out the first jacking block body (10).
3. The secondary buckling position forming inclined jacking device according to claim 2, wherein the second jacking block (9) comprises a second jacking block body (13), a second elastic piece (14) and a second limiting connecting piece (15), one end of the second limiting connecting piece (15) is detachably connected with the second jacking block body (13), the other end of the second limiting connecting piece (15) is movably connected with the inclined jacking head (2), and the second elastic piece (14) is arranged on the inner side of the second jacking block body (13) and is abutted to the inclined jacking head (2) and used for outwards popping out the second jacking block body (13).
4. The secondary buckling forming pitched roof device according to claim 1, wherein one end of the buckling insert body (16) extending into the forming groove (6) is provided with a forming convex head (19), and the forming convex head (19) is provided with a demoulding slope.
5. The secondary buckling position forming inclined ejection device according to claim 1, wherein the buckling position forming insert pin (4) further comprises a third limiting connecting piece (18), a connecting hole is formed in the insert pin pressing plate (17), one end of the third limiting connecting piece (18) is detachably connected with the inclined ejection head (2), and the other end of the third limiting connecting piece (18) is detachably connected with the insert pin pressing plate (17) through the connecting hole.
6. The secondary buckling position forming inclined top device according to claim 1, wherein an inclined top block limiting block (7) is arranged at the bottom of the inclined top head (2), and the inclined top block limiting block (7) is clamped with the inclined top rod (3).
7. An injection mold comprising a mold insert and the secondary buckling molding pitched roof device of any one of claims 1-6.
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| CN201811032047.0A CN108927964B (en) | 2018-09-05 | 2018-09-05 | Secondary buckling position forming inclined ejection device and injection mold |
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| CN201811032047.0A CN108927964B (en) | 2018-09-05 | 2018-09-05 | Secondary buckling position forming inclined ejection device and injection mold |
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| CN108927964A CN108927964A (en) | 2018-12-04 |
| CN108927964B true CN108927964B (en) | 2023-11-14 |
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| CN113119404A (en) * | 2021-04-08 | 2021-07-16 | 江苏泰特汽车配件股份有限公司 | Automobile armrest box upper cover die |
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