CN219427335U - Forming die of pencil card - Google Patents
Forming die of pencil card Download PDFInfo
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- CN219427335U CN219427335U CN202320521322.5U CN202320521322U CN219427335U CN 219427335 U CN219427335 U CN 219427335U CN 202320521322 U CN202320521322 U CN 202320521322U CN 219427335 U CN219427335 U CN 219427335U
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- molding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to a forming die of a wire harness card, which comprises a movable module, a movable die core embedded in the rear side of the movable module, a fixed module arranged behind the movable module and matched with the movable module, and a fixed die core embedded in the front side of the fixed module and matched with the movable die core, wherein a convex plate is outwards formed in the middle of the rear side of the movable die core, correspondingly, a concave cavity matched with the convex plate is formed in the middle of the front side of the fixed die core, two trapezoid notches which are symmetrically distributed left and right are formed on the outer walls of the upper side and the lower side of the convex plate, and correspondingly, two trapezoid blocks which are symmetrically distributed left and right are formed on the inner walls of the upper side and the lower side of the concave cavity towards the inside of the concave cavity; the utility model simplifies the structure of the forming die and reduces the manufacturing cost.
Description
Technical Field
The utility model relates to a forming die of a wire harness card.
Background
The process of pressurizing the molten raw material through a feeding system in an injection molding machine and injecting the pressurized raw material into a molding die, and then cooling, separating and the like to form an injection molding part with a certain shape is called injection molding, and a wire harness clip is a plastic part for accommodating a wire harness.
Disclosure of Invention
In view of the above-mentioned prior art, the present utility model aims to provide a molding die for a wire harness card, which simplifies the structure and reduces the manufacturing cost.
The technical scheme adopted for solving the technical problems is as follows: the forming die of the wire harness clamp comprises a movable die block, a movable die core embedded in the rear side of the movable die block, a fixed die block which is arranged behind the movable die block and is mutually matched with the movable die block, and a fixed die core embedded in the front side of the fixed die block and is mutually matched with the movable die core, wherein a connecting plate is also fixed on the rear side of the fixed die block, an ejection mechanism which is mutually matched with the fixed die core is also arranged between the connecting plate and the fixed die block; four core-pulling groove combinations which are symmetrically distributed in pairs are further formed in the front side of the fixed die core, the four core-pulling groove combinations are respectively arranged at the roots of the four trapezoidal blocks, each core-pulling groove combination comprises two core-pulling grooves which are obliquely arranged and bilaterally symmetrical, the distance between the front end openings of each core-pulling groove is larger than the distance between the rear end openings of the two core-pulling grooves, each core-pulling groove combination is further provided with a core-pulling unit, each core-pulling unit comprises two core-pulling strips which are movably inserted into the two core-pulling grooves respectively, the inner sides of the front ends of the two core-pulling strips are matched with each other, the rear ends of the core-pulling strips are connected with an ejection mechanism, and a core-pulling notch is formed between the inner side edge of the opening of each core-pulling groove and the outer wall of the end of the corresponding trapezoidal block.
Preferably, a first molding block and two second molding blocks which are respectively symmetrically arranged at the front side and the rear side of the first molding block are outwards formed at the inner side of the front end of one core pulling strip in the core pulling unit, a molding concave cavity is formed at the inner side of the front end of the other core pulling strip in the core pulling unit, and a second molding block which is mutually matched with the first molding block is outwards formed on the bottom surface of the molding concave cavity.
Preferably, a first partition block is formed outwards on the inner wall of the lower side of the cavity of the upper two movable mould and the inner wall of the upper side of the cavity of the lower two movable mould, correspondingly, a second partition block is formed outwards on the inner wall of the lower side of the cavity of the upper fixed mould and the inner wall of the upper side of the cavity of the lower fixed mould, and the front outer wall of each second partition block is matched with the rear outer wall of the corresponding first partition block.
Preferably, two first hole-drawing columns which are symmetrically arranged left and right are outwards formed on the bottom surface of the movable mould cavity, correspondingly, two second hole-drawing columns which are symmetrically arranged left and right are outwards formed on the bottom surface of the fixed mould cavity, and the end parts of the two second hole-drawing columns are respectively matched with the end parts of the two first hole-drawing columns.
Preferably, two third hole-drawing columns which are symmetrically arranged left and right are outwards formed on the bottom surface of the movable mould cavity, correspondingly, two fourth hole-drawing columns which are symmetrically arranged left and right are outwards formed on the bottom surface of the fixed mould cavity, and the end parts of the two fourth hole-drawing columns are respectively matched with the end parts of the two third hole-drawing columns.
Compared with the prior art, the utility model has the advantages that: according to the utility model, two cavities are formed on the wire harness card by means of mutual matching of the two core-pulling strips in each core-pulling unit, and the movement of each core-pulling strip can be synchronously completed by means of the action of the ejection mechanism so as to match the mold closing or separating action, and a separate driving mechanism is not required to be additionally arranged for each core-pulling unit, so that the structure of the forming mold is simplified and the manufacturing cost is reduced.
Drawings
FIG. 1 is a right front side exploded view of the present utility model;
FIG. 2 is a left rear side exploded view of the present utility model;
FIG. 3 is a block diagram of one of the core-pulling bars in the core-pulling unit of the present utility model;
fig. 4 is a structural view of another core back strip in the core back unit of the present utility model.
Detailed Description
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
In order to keep the following description of the embodiments of the present utility model clear and concise, the detailed description of known functions and known components thereof have been omitted.
As shown in fig. 1-4, a molding die for a wire harness card comprises a movable module 2, a movable die core 3 embedded in the rear side of the movable module 2, a fixed die 4 arranged behind the movable module 2 and matched with the movable module 2, and a fixed die core 5 embedded in the front side of the fixed die 4 and matched with the movable die core 3, wherein a connecting plate 6 is also fixed on the rear side of the fixed die 4, a convex plate 31 is formed outwards in the middle of the rear side of the movable die core 3, correspondingly, a concave cavity 51 matched with the convex plate 31 is formed in the middle of the front side of the fixed die core 5, two trapezoid gaps 32 distributed left and right symmetrically are formed on the outer walls of the upper side and the lower side of the convex plate 31, two trapezoid blocks 55 distributed left and right symmetrically are formed on the inner walls of the upper side and the lower side of the concave cavity 51, four movable die cavities 33 distributed symmetrically are formed on the end faces of the convex plate 31, two concave cavities 33 are formed on the bottom surfaces of the concave cavity 33 corresponding to the two concave cavity holes 52, two concave cavities 52 are formed on the bottom surfaces of the concave cavity 33 corresponding to the two concave cavities 33 on the upper side and the lower side of the concave cavity 33, two concave cavities 52 are communicated with the bottom surfaces of the concave cavity 52 corresponding to the concave cavity 32 on the two concave cavities 52 on the upper side of the concave cavity 33 respectively; four core-pulling groove combinations which are distributed symmetrically in pairs are further formed in the front side of the fixed die core 5, the four core-pulling groove combinations are respectively arranged at the roots of the four trapezoidal blocks 55, each core-pulling groove combination comprises two core-pulling grooves 53 which are obliquely arranged and symmetrically arranged left and right, the distance between front end openings of the two core-pulling grooves 53 in each core-pulling groove combination is larger than the distance between rear end openings of the two core-pulling grooves 53, a core-pulling unit 9 is further arranged in each core-pulling groove combination, each core-pulling unit 9 comprises two core-pulling strips 91 which are movably inserted into the two core-pulling grooves 53 respectively, the front inner sides of the two core-pulling strips 91 are matched with each other, the rear end of each core-pulling strip 91 is connected with the ejection mechanism 7, and a core-pulling notch 54 is formed between the inner side edge of the opening of each core-pulling groove 53 and the outer wall of the end of the corresponding trapezoidal block 55.
The inner side of the front end of one core-pulling strip 91 in the core-pulling unit 9 is outwards formed with a first forming block 911 and two second forming blocks 912 which are respectively symmetrically arranged at the front side and the rear side of the first forming block 911, the inner side of the front end of the other core-pulling strip 91 in the core-pulling unit 9 is provided with a forming cavity 913, and the bottom surface of the forming cavity 913 is outwards formed with a second forming block 914 which is mutually matched with the first forming block 911.
A first spacer block 36 is outwardly formed on the lower side inner walls of the upper two movable mold cavity chambers 33 and the upper side inner walls of the lower two movable mold cavity chambers 33, and correspondingly, a second spacer block 56 is outwardly formed on the lower side inner walls of the upper fixed mold cavity chamber 52 and the upper side inner walls of the lower two fixed mold cavity chambers 52, and the front side outer wall of each second spacer block 56 is mutually matched with the rear side outer wall of the corresponding one of the first spacer blocks 36.
Two first hole-drawing columns 34 which are symmetrically arranged left and right are outwards formed on the bottom surface of each movable mould notch cavity 33, correspondingly, two second hole-drawing columns 57 which are symmetrically arranged left and right are outwards formed on the bottom surface of each fixed mould cavity 52, and the end parts of the two second hole-drawing columns 57 are respectively matched with the end parts of the two first hole-drawing columns 34.
Two third hole-drawing columns 35 which are symmetrically arranged left and right are outwards formed on the bottom surface of each movable mould notch cavity 33, correspondingly, two fourth hole-drawing columns 58 which are symmetrically arranged left and right are outwards formed on the bottom surface of each fixed mould cavity 52, and the end parts of the two fourth hole-drawing columns 58 are respectively matched with the end parts of the two third hole-drawing columns 35.
The front side of the movable module 2 is also fixed with a feeding plate 1.
The using method comprises the following steps:
the movable module 2 is fixed on a die clamping mechanism in the injection molding machine by virtue of the feeding plate 1, the fixed die block 4 is fixed on a machine seat of the injection molding machine by virtue of the connecting plate 6, and then the die clamping mechanism drives the movable module 2 to move towards the fixed die block 4 until the rear side of the movable module 2 is mutually matched with the front side of the fixed die block 4, at the moment, the rear side of the movable die core 3 is mutually matched with the front side of the fixed die core 5, and the principle is as the prior art.
The rear ends of the two core-pulling strips 91 in each core-pulling unit 9 are connected with the ejection mechanism 7, when the movable mold insert 3 and the fixed mold insert 5 are assembled, the convex plate 31 is embedded into the concave cavity 51, the ejection mechanism 7 drives the two core-pulling strips 91 in each core-pulling unit 9 to move backwards along the two core-pulling grooves 53 respectively, and as the core-pulling grooves 53 are obliquely arranged and the spacing between the front end openings of the two core-pulling grooves 53 in each core-pulling groove combination is larger than the spacing between the rear end openings of the two core-pulling grooves 53, when the two core-pulling strips 91 move backwards, the front ends of the two core-pulling strips 91 are mutually closed until the end parts of the first forming block 911 and the second forming block 914 are mutually attached, and the two second forming blocks 912 at the moment are attached to the bottom surface of the forming concave cavity 913.
Finally, the molten material is introduced into each movable mould notch cavity 33 and a fixed mould sinking cavity 52 matched with the movable mould notch cavity 33 through pouring channels arranged in the feeding plate 1 and the movable mould 2 and is wrapped outside a corresponding core column 8, and four wire harness cards 10 are formed after cooling; after the molding is finished, the movable module 2 is driven to move forwards by virtue of the mold clamping mechanism so as to leave the fixed module 4, the movable mold core 3 and the fixed mold core 5 are separated from each other, and then a driving device in the ejection mechanism 7 is used for pushing a push rod in the ejection mechanism 7 to move forwards so as to push out each wire harness card 10 forwards; the driving device in the ejection mechanism 7 drives the two core-pulling strips 91 in each core-pulling unit 9 to move forwards when pushing the ejector rod in the ejection mechanism 7 to move forwards, so that the front ends of the two core-pulling strips 91 are separated from each other according to the same principle, and automatic core pulling is realized.
After the movable mold core 3 and the fixed mold core 5 are assembled, the front outer wall of each second partition block 56 is attached to the rear outer wall of a corresponding first partition block 36, so that a partition opening 101 is formed on the wire harness card 10; the interaction of the ends of the first molding block 911 and the ends of the second molding block 914 and the interaction of the two second molding blocks 912 and the bottom of the molding cavity 913 form two cavities 102 on the harness card 10 that are symmetrically disposed back and forth.
According to the utility model, two cavities 102 are formed on the wire harness card 10 by means of the mutual matching of the two core pulling strips 91 in each core pulling unit 9, and the movement of each core pulling strip 91 can be synchronously completed by means of the action of the ejection mechanism 7 so as to match the mold closing or separating action, and a separate driving mechanism is not required to be additionally arranged for each core pulling unit 9, so that the structure of the forming mold is simplified and the manufacturing cost is reduced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; while the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that modifications may be made to the techniques described in the foregoing embodiments, or that certain features may be substituted for those illustrated therein; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (5)
1. The forming die of the wire harness clamp comprises a movable die block, a movable die core embedded in the rear side of the movable die block, a fixed die block which is arranged behind the movable die block and is mutually matched with the movable die block, and a fixed die core embedded in the front side of the fixed die block and is mutually matched with the movable die core, wherein a connecting plate is also fixed on the rear side of the fixed die block, an ejection mechanism which is mutually matched with the fixed die core is also arranged between the connecting plate and the fixed die block; four core-pulling groove combinations which are symmetrically distributed in pairs are further formed in the front side of the fixed die core, the four core-pulling groove combinations are respectively arranged at the roots of the four trapezoidal blocks, each core-pulling groove combination comprises two core-pulling grooves which are obliquely arranged and bilaterally symmetrical, the distance between the front end openings of each core-pulling groove is larger than the distance between the rear end openings of the two core-pulling grooves, each core-pulling groove combination is further provided with a core-pulling unit, each core-pulling unit comprises two core-pulling strips which are movably inserted into the two core-pulling grooves respectively, the inner sides of the front ends of the two core-pulling strips are matched with each other, the rear ends of the core-pulling strips are connected with an ejection mechanism, and a core-pulling notch is formed between the inner side edge of the opening of each core-pulling groove and the outer wall of the end of the corresponding trapezoidal block.
2. The molding die of a wire harness card according to claim 1, wherein a first molding block and two second molding blocks which are symmetrically arranged on the front side and the rear side of the first molding block are outwards formed on the inner side of the front end of one core pulling strip in the core pulling unit, a molding concave cavity is formed on the inner side of the front end of the other core pulling strip in the core pulling unit, and a second molding block which is mutually matched with the first molding block is outwards formed on the bottom surface of the molding concave cavity.
3. The molding die of a wire harness card according to claim 2, wherein a first spacer is formed outwardly on the lower side inner walls of the upper two movable die cutout chambers and the upper side inner walls of the lower two movable die cutout chambers, and correspondingly, a second spacer is formed outwardly on the lower side inner walls of the upper fixed die cutout chambers and the upper side inner walls of the lower two fixed die cutout chambers, and the front side outer walls of each of the second spacer are mutually fitted with the rear side outer walls of the corresponding one of the first spacer.
4. The molding die of a wire harness card according to claim 3, wherein two first hole-drawing columns which are arranged in bilateral symmetry are outwards formed on the bottom surface of the notch cavity of each movable die, correspondingly, two second hole-drawing columns which are arranged in bilateral symmetry are outwards formed on the bottom surface of the sinking cavity of each fixed die, and the end parts of the two second hole-drawing columns are respectively matched with the end parts of the two first hole-drawing columns.
5. The molding die of a wire harness card according to claim 4, wherein two third hole-drawing columns which are arranged in a bilateral symmetry mode are outwards formed on the bottom surface of the notch cavity of each movable die, correspondingly, two fourth hole-drawing columns which are arranged in a bilateral symmetry mode are outwards formed on the bottom surface of the sinking cavity of each fixed die, and the end parts of the two fourth hole-drawing columns are mutually matched with the end parts of the two third hole-drawing columns respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320521322.5U CN219427335U (en) | 2023-03-17 | 2023-03-17 | Forming die of pencil card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320521322.5U CN219427335U (en) | 2023-03-17 | 2023-03-17 | Forming die of pencil card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219427335U true CN219427335U (en) | 2023-07-28 |
Family
ID=87332398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320521322.5U Active CN219427335U (en) | 2023-03-17 | 2023-03-17 | Forming die of pencil card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219427335U (en) |
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2023
- 2023-03-17 CN CN202320521322.5U patent/CN219427335U/en active Active
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