CN221717669U - A mold structure integrating side drawing and workpiece pushing out molding - Google Patents

A mold structure integrating side drawing and workpiece pushing out molding Download PDF

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Publication number
CN221717669U
CN221717669U CN202322816685.4U CN202322816685U CN221717669U CN 221717669 U CN221717669 U CN 221717669U CN 202322816685 U CN202322816685 U CN 202322816685U CN 221717669 U CN221717669 U CN 221717669U
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China
Prior art keywords
plate
movable
die
battery cover
hole
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CN202322816685.4U
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赵国荣
李伟
李永坤
李飞
雍牧
万祥明
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to a mold structure integrating side drawing and workpiece pushing-out molding, which comprises a movable mold part structure and a fixed mold part structure; the movable mould part structure comprises a movable mould plate, the fixed mould part structure comprises a fixed mould plate, the movable mould plate and the fixed mould plate are respectively provided with a movable mould and a fixed mould, a cavity is formed between the movable mould and the fixed mould and is used for forming a battery cover, and the battery cover is reversely buckled in the cavity; the position on the movable mould corresponding to the back-off of the battery cover is provided with an insert hole which is arranged in an inclined way, an insert is arranged in the insert hole and used for forming the back-off, the lower end of the insert extends downwards to form a connecting rod and penetrates through a yielding hole on the movable mould plate, and a push plate is arranged below the movable mould plate. The utility model has the characteristics of simpler and more reasonable structural design, more convenience for reversely buckling and forming and demolding the battery cover and capability of reducing the cost of the die.

Description

Side-drawing and workpiece push-out forming integrated die structure
Technical Field
The utility model belongs to the technical field of injection molds, and particularly relates to a mold structure integrating side drawing and workpiece pushing-out molding.
Background
The injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. Specifically, the heated and melted plastic is injected into a die cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling and solidification.
As shown in fig. 1 and 2, the battery cover of a small-sized electric appliance is a small-sized part, and the plastic part is made of ABS material according to the quality requirement of the plastic part, and the adopted general precision grade is MT3. The battery cover is integrally of a plate-shaped structural design, a lug which is integrally of a circular structural design is formed by outwards protruding the middle part of one side, a through hole 1 is formed in the lug, the whole side of the other side is bent and extended towards the lower part of the outer side to form an extension part, two ends are respectively bent and extended towards the lower part of the outer side to form a connecting part, butt joint notches 2 are respectively formed in the middle part of the connecting part, two inverted buckles 3 are arranged at intervals on the inner side of the battery cover and on one side deviating from the lug, a plurality of butt joint columns 4 are further arranged on the inner side of the battery cover, and a rectangular concave pit 5 which is concavely arranged is further formed in one end of the outer surface of the battery cover. When the battery cover with the structure is obtained by injection molding through the injection mold, the existing injection mold structure is generally designed into a molding structure and a demolding structure respectively aiming at inverted molding and demolding, so that the design is complex, and the mold cost is increased.
Therefore, how to design a structure design is simpler and more reasonable, the battery cover can be more convenient for the back-off forming and demolding, the side drawing and workpiece pushing-out forming integrated die structure capable of reducing the die cost becomes the technical problem to be solved.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model aims to solve the technical problems that: how to design a structural design is more simple reasonable, can make things convenient for battery cover back-off shaping and drawing of patterns more, can reduce the side of mould cost and take out and work piece release the mould structure of shaping integration.
In order to solve the technical problems, the utility model adopts the following technical scheme: the side-drawing and workpiece pushing-out integrated mold structure comprises a movable mold part structure and a fixed mold part structure; the movable mould part structure comprises a movable mould plate, the fixed mould part structure comprises a fixed mould plate, the movable mould plate and the fixed mould plate are respectively provided with a movable mould and a fixed mould, a cavity is formed between the movable mould and the fixed mould and is used for forming a battery cover, and the battery cover is reversely buckled in the cavity; the battery cover is characterized in that an insert hole which is obliquely arranged integrally is formed in a position, corresponding to the back-off arranged on the battery cover, on the movable mould, the insert is arranged in the insert hole and used for forming the back-off, the lower end of the insert extends downwards to form a connecting rod and penetrates through a yielding hole on the movable mould plate, a push plate is arranged below the movable mould plate, the lower end of the connecting rod is connected to the push plate, and when the push plate drives the connecting rod and the insert to move upwards, the insert moves obliquely upwards along the oblique direction of the insert hole, and the insert is supported on the inner side of the battery cover and provides thrust for pushing the battery cover away from the male mould, so that the insert is separated from the back-off.
In this way, in the mold structure integrating the side extraction and the workpiece push-out molding, the insert is used as a molding member for molding the back-off on the battery cover; simultaneously, mold insert, connecting rod and push pedal synergism for the mold insert can be followed the slope of mold insert hole incline direction and upwards moved, makes the mold insert support in the battery lid inboard and provides the thrust that releases the battery lid out the protruding die cavity, thereby the mold insert also plays the effect of drawing of patterns. Make whole structural design more simple reasonable, make things convenient for overall arrangement design more, simultaneously, can also reduce the cost of mould.
As an optimization, the position on the push plate corresponding to the lower end of the connecting rod is provided with a mounting hole, the lower end inside the mounting hole is provided with a connecting block, and the lower end of the connecting rod extends downwards into the mounting hole and is connected with the connecting block in a slidable mode along the transverse direction of the cavity through a connecting structure.
Like this, through set up the mounting hole in the push pedal to set up the connecting block in the mounting hole, make the connecting rod lower extreme stretch into inside the mounting hole downwards after, connecting rod lower extreme rethread connection structure is along the slidable connection setting of die cavity transverse direction on the connecting block, the push pedal is when promoting connecting rod and mold insert motion, can make the better motion along mold insert hole incline direction of mold insert, better completion shaping back-off function and better make mold insert and back-off break away from and promote battery cover drawing of patterns.
As optimization, the connection structure includes the protruding edge of cooperation that each upwards protrusion set up in connecting block up end both sides, is equipped with the spout respectively in two protruding inboards of cooperation, and the connecting rod lower extreme is provided with horizontal mating holes, is equipped with the connecting pin in the mating holes, and the slidable cooperation in connecting pin both ends is in respectively in the spout.
Like this, connection structure design is simpler, and the better sliding fit of connecting pin that sets up on the connecting rod is in paired spout to the connecting pin that the mounting hole both sides can be spacing on avoiding the connecting rod breaks away from the spout.
As optimization, a backing plate is also attached to the lower portion of the push plate, a connecting screw is arranged at a position on the backing plate corresponding to the mounting hole in the push plate, and the upper end of the connecting screw is connected and arranged on the connecting block.
Therefore, through setting up the backing plate, set up connecting screw on the backing plate again, connecting block in the mounting hole can be better is fixed.
As optimization, a push rod which is vertically upwards arranged is fixedly arranged on the push plate, and the upper end of the push rod upwards sequentially penetrates through the moving die plate and the yielding holes and the matching holes which are arranged on the moving die plate, and can be matched on the inner side face of the battery cover in the cavity in a matching mode.
Like this, through setting up the push rod, the push rod can accomplish the drawing of patterns of battery cover with the cooperation of inserts for the drawing of patterns is more reliable.
As optimization, a butt-joint column forming hole is formed in the surface of the male die and used for forming a butt-joint column on the inner side of the battery cover, and the butt-joint column forming hole is integrally formed in a mode that the upper end diameter is large, and the lower end diameter is small.
Therefore, the butt-joint column on the inner side of the battery cover can be formed more conveniently, and demolding is also facilitated more.
Further, forming convex blocks are respectively arranged on the concave die and correspond to the two ends of the battery cover and are used for forming butt joint gaps at the two ends of the battery cover; the male die is also provided with a forming boss and is used for forming a through hole formed on a lug on one side of the battery cover; the female die is also provided with a forming protruding part which is used for forming a rectangular pit arranged at one end of the outer surface of the battery cover. Thus, the demolding can be more convenient. When the movable mold part structure and the fixed mold part structure are separated, demolding of the butt joint notch and the rectangular pit on the battery cover can be completed, and subsequent demolding of the whole battery cover, the through hole and the back-off is completed by virtue of the push rod and the insert; the whole design is more beneficial to demolding of the workpiece.
As optimization, a movable die mounting hole which is integrally in a rectangular blind hole structure design is formed in the middle of the upper surface of the movable die plate, and the lower end of the movable die is inserted and mounted in the movable die mounting hole; the middle part of the lower surface of the fixed die plate is provided with a fixed die mounting hole which is integrally in a rectangular blind hole structural design, and the upper end of the fixed die is inserted and mounted in the fixed die mounting hole.
Therefore, the movable die and the fixed die are more convenient to install and fix, and the structural design is simpler and more reasonable.
As optimization, guide posts are respectively arranged at four corner positions of the movable template, guide sleeve mounting holes are respectively arranged at positions, corresponding to the guide posts, on the fixed template, guide sleeves are arranged in a mounting mode, and the guide posts are respectively and correspondingly matched and arranged in the guide sleeves.
Like this, through design guide post and uide bushing, can make after movable mould part structure and the butt joint of cover half part structure, both cooperations are inseparabler, improve the precision.
In conclusion, the structure has the characteristics that the structural design is simpler and more reasonable, the battery cover can be more conveniently formed in a reverse buckling mode and demoulded, and the die cost can be reduced.
Drawings
Fig. 1 is a schematic view showing the structure of a battery cover according to an embodiment of the present utility model.
Fig. 2 is a schematic view of the structure of fig. 1 rotated by a certain angle.
Fig. 3 is a schematic top view of an embodiment of the present utility model.
Fig. 4 is a schematic cross-sectional view A-A of fig. 3.
Fig. 5 is a schematic cross-sectional view of B-B of fig. 3.
Fig. 6 is a schematic diagram of the split mold structure of fig. 4.
Fig. 7 is a schematic top view of the movable mold part structure in fig. 6.
Fig. 8 is a schematic structural view of an insert portion.
Detailed Description
The utility model is further described below with reference to the drawings and examples; it should be noted that in the description of the present utility model, the positional or positional relationship indicated by the terms such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific manner, and thus are not to be construed as limiting the present utility model. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
See fig. 1 to 8: the side-drawing and workpiece pushing-out integrated mold structure comprises a movable mold part structure and a fixed mold part structure; the movable mould part structure comprises a movable mould plate 11, the fixed mould part structure comprises a fixed mould plate 12, a movable mould 13 and a fixed mould 14 are respectively arranged on the movable mould plate and the fixed mould plate, a cavity is formed between the movable mould and the fixed mould and is used for forming a battery cover 15, and the battery cover is reversely buckled in the cavity; the position on the movable mould corresponding to the back-off that the battery cover has is equipped with the mold insert hole that wholly is the slope and arranges, is equipped with mold insert 16 in the mold insert hole and is used for shaping the back-off, and mold insert lower extreme downwardly extending forms the connecting rod and passes the hole of stepping down on the movable mould board, and the movable mould board below is equipped with push pedal 17, and the connecting rod lower extreme is connected in the push pedal, and when the push pedal drove connecting rod and mold insert upward movement, the mold insert is along mold insert hole incline upward movement, and the mold insert supports in the battery cover inboard and provides when pushing away the thrust of terrace die with the battery cover for the mold insert breaks away from with the back-off.
In this way, in the mold structure integrating the side extraction and the workpiece push-out molding, the insert is used as a molding member for molding the back-off on the battery cover; simultaneously, mold insert, connecting rod and push pedal synergism for the mold insert can be followed the slope of mold insert hole incline direction and upwards moved, makes the mold insert support in the battery lid inboard and provides the thrust that releases the battery lid out the protruding die cavity, thereby the mold insert also plays the effect of drawing of patterns. Make whole structural design more simple reasonable, make things convenient for overall arrangement design more, simultaneously, can also reduce the cost of mould.
In this embodiment, be equipped with the mounting hole in the push pedal and with the position that the connecting rod lower extreme corresponds, install at the inside lower extreme of mounting hole and be provided with connecting block 18, the lower extreme of connecting rod stretches into in the mounting hole downwards and through connection structure along the slidable connection setting of die cavity transverse direction on the connecting block.
Like this, through set up the mounting hole in the push pedal to set up the connecting block in the mounting hole, make the connecting rod lower extreme stretch into inside the mounting hole downwards after, connecting rod lower extreme rethread connection structure is along the slidable connection setting of die cavity transverse direction on the connecting block, the push pedal is when promoting connecting rod and mold insert motion, can make the better motion along mold insert hole incline direction of mold insert, better completion shaping back-off function and better make mold insert and back-off break away from and promote battery cover drawing of patterns.
In this embodiment, connection structure includes the protruding edge 19 of cooperation that each upwards protrusion set up in connecting block up end both sides, is equipped with the spout respectively in two protruding along inboards of cooperation, and the connecting rod lower extreme is provided with horizontal mating holes, is equipped with the connecting pin in the mating holes, and the slidable cooperation setting respectively in connecting pin both ends is in the spout.
Like this, connection structure design is simpler, and the better sliding fit of connecting pin that sets up on the connecting rod is in paired spout to the connecting pin that the mounting hole both sides can be spacing on avoiding the connecting rod breaks away from the spout.
In this embodiment, a backing plate 20 is also attached to the lower portion of the push plate, a connection screw 21 is disposed at a position on the backing plate corresponding to the mounting hole on the push plate, and the upper end of the connection screw is connected to the connection block.
Therefore, through setting up the backing plate, set up connecting screw on the backing plate again, connecting block in the mounting hole can be better is fixed.
In this embodiment, still install and be fixed with the push rod 22 of vertical upward setting on the push pedal, the push rod upper end upwards passes the hole of stepping down and the cooperation hole setting that are equipped with on movable mould board and the movable mould in proper order and can paste the cooperation on the battery cover medial surface in the die cavity mutually.
Like this, through setting up the push rod, the push rod can accomplish the drawing of patterns of battery cover with the cooperation of inserts for the drawing of patterns is more reliable.
In this embodiment, a butt-joint post forming hole 23 is formed in the surface of the male die and is used for forming a butt-joint post inside the battery cover, and the butt-joint post forming hole is integrally formed with a large upper end diameter and a small lower end diameter.
Therefore, the butt-joint column on the inner side of the battery cover can be formed more conveniently, and demolding is also facilitated more.
Further, forming convex blocks 24 are respectively arranged on the concave die and correspond to the two ends of the battery cover and are used for forming butt joint gaps at the two ends of the battery cover; the male die is also provided with a forming boss 25 for forming a through hole formed on a lug on one side of the battery cover; the female die is also provided with a forming convex part 26 which is used for forming a rectangular pit at one end of the outer surface of the battery cover. Thus, the demolding can be more convenient. When the movable mold part structure and the fixed mold part structure are separated, demolding of the butt joint notch and the rectangular pit on the battery cover can be completed, and subsequent demolding of the whole battery cover, the through hole and the back-off is completed by virtue of the push rod and the insert; the whole design is more beneficial to demolding of the workpiece.
In the specific embodiment, a movable die mounting hole which is integrally in a rectangular blind hole structure design is formed in the middle of the upper surface of the movable die plate, and the lower end of the movable die is inserted into and mounted in the movable die mounting hole; the middle part of the lower surface of the fixed die plate is provided with a fixed die mounting hole which is integrally in a rectangular blind hole structural design, and the upper end of the fixed die is inserted and mounted in the fixed die mounting hole.
Therefore, the movable die and the fixed die are more convenient to install and fix, and the structural design is simpler and more reasonable.
In this embodiment, the four corner positions of the movable mold plate are respectively provided with a guide post 27, the positions on the fixed mold plate corresponding to the guide posts are respectively provided with a guide sleeve mounting hole and are provided with a guide sleeve 28, and the guide posts are respectively correspondingly matched and arranged in the guide sleeve.
Like this, through design guide post and uide bushing, can make after movable mould part structure and the butt joint of cover half part structure, both cooperations are inseparabler, improve the precision.
Specifically, reset rods 29 are further arranged at four corner positions of the push plate, the upper ends of the reset rods are slidably inserted and matched in insertion holes of the movable mold plates, and spiral reset springs 30 are further arranged on the reset rods.
Specifically, the movable mould part structure further comprises a movable mould base plate 31, cushion blocks 32 are arranged on the movable mould base plate in pairs, the movable mould plate is arranged above the cushion blocks, and the cushion plate and the push plate are arranged between the two cushion blocks.
Specifically, the fixed mold part structure further includes a fixed mold seat plate 33, and the fixed mold plate is provided below the fixed mold seat plate.
In conclusion, the structure has the characteristics that the structural design is simpler and more reasonable, the battery cover can be more conveniently formed in a reverse buckling mode and demoulded, and the die cost can be reduced.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims (8)

1. The side-drawing and workpiece pushing-out integrated mold structure comprises a movable mold part structure and a fixed mold part structure; the movable mould part structure comprises a movable mould plate, the fixed mould part structure comprises a fixed mould plate, the movable mould plate and the fixed mould plate are respectively provided with a movable mould and a fixed mould, a cavity is formed between the movable mould and the fixed mould and is used for forming a battery cover, and the battery cover is reversely buckled in the cavity; the battery cover is characterized in that an insert hole which is obliquely arranged integrally is formed in a position, corresponding to the back-off arranged on the battery cover, on the movable mould, the insert is arranged in the insert hole and used for forming the back-off, the lower end of the insert extends downwards to form a connecting rod and penetrates through a yielding hole on the movable mould plate, a push plate is arranged below the movable mould plate, the lower end of the connecting rod is connected to the push plate, and when the push plate drives the connecting rod and the insert to move upwards, the insert moves obliquely upwards along the oblique direction of the insert hole, and the insert is supported on the inner side of the battery cover and provides thrust for pushing the battery cover away from the male mould, so that the insert is separated from the back-off.
2. The die structure integrating side extraction and workpiece push-out molding as claimed in claim 1, wherein: the position on the push plate and corresponding to the lower end of the connecting rod is provided with a mounting hole, a connecting block is arranged at the lower end of the inside of the mounting hole, and the lower end of the connecting rod extends into the mounting hole downwards and is connected with the connecting block in a slidable mode along the transverse direction of the cavity through a connecting structure.
3. A side-draw and workpiece-ejection integrated die structure as defined in claim 2, wherein: the connecting structure comprises two convex matching edges which are respectively arranged on two sides of the upper end face of the connecting block in an upward protruding mode, sliding grooves are respectively formed in the inner sides of the two convex matching edges, horizontal matching holes are formed in the lower ends of the connecting rods, connecting pins are arranged in the matching holes, and two ends of each connecting pin are respectively slidably matched and arranged in the sliding grooves.
4. A side-draw and workpiece-ejection integrated die structure as defined in claim 2, wherein: a backing plate is also adhered to the lower part of the push plate, a connecting screw is arranged at the position on the backing plate corresponding to the mounting hole in the push plate, and the upper end of the connecting screw is connected and arranged on the connecting block.
5. The die structure integrating side extraction and workpiece push-out molding as claimed in claim 1, wherein: the push plate is also provided with a push rod which is vertically upwards arranged, and the upper end of the push rod upwards sequentially passes through a yielding hole and a matching hole which are arranged on the movable mould plate and the movable mould, and can be matched on the inner side surface of the battery cover in the cavity in a pasting manner.
6. The die structure integrating side extraction and workpiece push-out molding as claimed in claim 1, wherein: the surface of the male die is provided with a butt-joint column forming hole which is used for forming a butt-joint column on the inner side of the battery cover, and the butt-joint column forming hole is integrally formed in a way that the diameter of the upper end is larger than that of the lower end.
7. The die structure integrating side extraction and workpiece push-out molding as claimed in claim 1, wherein: a movable die mounting hole which is integrally in a rectangular blind hole structure design is formed in the middle of the upper surface of the movable die plate, and the lower end of the movable die is inserted and mounted in the movable die mounting hole; the middle part of the lower surface of the fixed die plate is provided with a fixed die mounting hole which is integrally in a rectangular blind hole structural design, and the upper end of the fixed die is inserted and mounted in the fixed die mounting hole.
8. The die structure integrating side extraction and workpiece push-out molding as claimed in claim 1, wherein: the four corner positions of the movable template are respectively provided with a guide post, the positions on the fixed template corresponding to the guide posts are respectively provided with a guide sleeve mounting hole and are provided with guide sleeves in a mounting manner, and the guide posts are respectively correspondingly matched and arranged in the guide sleeves.
CN202322816685.4U 2023-10-20 2023-10-20 A mold structure integrating side drawing and workpiece pushing out molding Active CN221717669U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322816685.4U CN221717669U (en) 2023-10-20 2023-10-20 A mold structure integrating side drawing and workpiece pushing out molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322816685.4U CN221717669U (en) 2023-10-20 2023-10-20 A mold structure integrating side drawing and workpiece pushing out molding

Publications (1)

Publication Number Publication Date
CN221717669U true CN221717669U (en) 2024-09-17

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ID=92678964

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Application Number Title Priority Date Filing Date
CN202322816685.4U Active CN221717669U (en) 2023-10-20 2023-10-20 A mold structure integrating side drawing and workpiece pushing out molding

Country Status (1)

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CN (1) CN221717669U (en)

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