CN217293311U - Injection mold with push-in structure - Google Patents
Injection mold with push-in structure Download PDFInfo
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- CN217293311U CN217293311U CN202221173666.3U CN202221173666U CN217293311U CN 217293311 U CN217293311 U CN 217293311U CN 202221173666 U CN202221173666 U CN 202221173666U CN 217293311 U CN217293311 U CN 217293311U
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Abstract
The utility model discloses an injection mold with an inner pushing structure, which comprises a fixed mold component and a movable mold component, wherein the movable mold component is provided with a movable mold plate, the movable mold plate is provided with an inner groove and a plurality of side sliding grooves, the side sliding grooves are provided with movable side sliding blocks, and the side sliding blocks are provided with inclined middle sliding grooves; the fixed die assembly is provided with a fixed die seat and a fixed die plate, and the fixed die seat is fixedly connected with the fixed die plate; the fixed die plate is provided with an inner forming part and a driving part, the driving part is provided with an inclined driving column, and the driving column can be inserted into the middle sliding groove; the fixed die base is internally provided with an internal core pulling assembly, the internal core pulling assembly comprises a movable push plate and a spring for pushing the push plate to the fixed die plate, the push plate is fixedly provided with a straight ejector rod and an inclined pulling rod, the straight ejector rod is inserted into the internal forming portion, the inclined pulling rod is provided with a cross column, and the internal forming portion is matched with the inner groove. The utility model has the advantages of reasonable design, can produce the injection molding that will make smoothly, the injection molding is difficult to warp at the drawing of patterns in-process.
Description
Technical Field
The utility model belongs to the technical field of injection mold and specifically relates to an injection mold with push in structure is related to.
Background
The injection mold is a tool for producing plastic products through injection molding, and is also a tool for endowing the plastic products with complete structures and accurate dimensions. Aiming at the existing defects, the structure of the framework needs to be improved correspondingly by technicians.
As shown in fig. 1, a boss 110 is arranged in the middle of an injection molding part 100 to be produced, a copper bush 120 is inlaid in the side surface of the boss 110, and the back surface of the boss 110 is a structure of a platform groove 111, it is known that the injection molding part 100 after injection molding can shrink towards the center direction, so that the platform groove 111 can wrap a fixed mold core after shrinking, and the edge of the injection molding part 100 can wrap a movable mold core; during mold splitting, the movable mold core is gradually far away from the fixed mold core, at the moment, the platform groove 111 of the injection molded part 100 is separated from the fixed mold core and adsorbed on the movable mold core, and then the platform groove 111 and the boss 110 are deformed in the mold splitting process due to the friction force between the platform groove 111 and the fixed mold core, so that an injection mold matched with the injection molded part 100 needs to be designed.
Disclosure of Invention
The utility model aims to solve the technical problem that an injection mold with push-in structure is provided, during the die sinking, straight ejector pin, oblique extraction rod move along with the movable mould board, so the platform groove of injection molding separates smoothly with the interior shaping portion of fixed die plate, platform groove and boss structure non-deformable.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: an injection mold with an inward pushing structure comprises a fixed mold component and a movable mold component, wherein the movable mold component is provided with a movable mold plate, the movable mold plate is provided with an inner groove and a plurality of side sliding grooves, the side sliding grooves are provided with movable side sliding blocks, and the side sliding blocks are provided with inclined middle sliding grooves; the fixed die assembly is provided with a fixed die seat and a fixed die plate, and the fixed die seat is fixedly connected with the fixed die plate; the fixed die plate is provided with an inner forming part and a driving part, the driving part is provided with an inclined driving column, and the driving column can be inserted into the middle sliding groove; the cover half seat in be equipped with interior subassembly of loosing core, interior subassembly of loosing core include mobilizable push pedal and push the push pedal to the spring of cover half board, the push pedal fixed be equipped with insert interior shaping portion straight ejector pin and draw the pole to one side, draw the pole to one side be equipped with the spreader, interior shaping portion and inner groovy adaptation.
The utility model has the advantages of structural design is reasonable, can produce the injection molding that will make smoothly, and the injection molding is difficult to warp at the drawing of patterns in-process.
The utility model discloses a working process is: firstly, a fixed die component and a movable die component are separated, a copper sleeve is placed at a cross column position of an inclined drawing rod, then the fixed die component and the movable die component are closed, and an injection molding piece is injected and molded in a die cavity (an inner molding part is used for molding a platform groove, and an inner groove is used for molding a boss); the movable mold component slowly moves downwards and gradually moves away from the fixed mold component, so that the compressed spring gives thrust to the push plate, the straight ejector rod and the inclined drawing rod move together with the movable mold plate, and the straight ejector rod and the inclined drawing rod push the platform groove and the boss structure of the injection molding part out of the inner molding part; when the movable mould plate moves downwards to a long distance, the inner loose core assembly moves for the maximum stroke and stops moving gradually, but the movable mould plate continues moving downwards, so that the injection molding part is adsorbed on the movable mould plate, finally, the ejector rod at the position of the movable mould plate jacks up the injection molding part, a worker takes away the injection molding part, and the boss and the platform groove structure are not easy to deform in the mould splitting process. The side surface of the injection molding part is provided with a plurality of side hole structures, a side sliding block is needed to complete molding and demolding, the side sliding block is movably arranged in the side sliding groove, when the mold is closed, the driving column is gradually inserted into the middle sliding groove (the driving column and the middle sliding groove are both inclined structures), so that the side sliding block is driven by the driving part to generate transverse movement, and then injection molding is started; after the mold is separated, the driving piece drives the side sliding block to move transversely so as to separate from a side hole structure of the injection molding piece (at the moment, the driving column gradually separates from the middle sliding groove), and finally, core-pulling and demolding are realized.
As the utility model discloses further improve: the push plate is fixedly provided with a pull rod, and the end of the pull rod, which is far away from the push plate, is movably connected with the fixed die holder. The pull rod can prevent the push plate from falling downwards.
As the utility model discloses further improve: the fixed die base is provided with a movable groove, and the push plate is movably arranged in the movable groove. The push plate can then move up and down in the movable groove.
As the utility model discloses further improve: the push pedal fixed be equipped with the connecting block, the connecting block be equipped with the spread groove, the pole of taking out to one side be equipped with connecting portion, connecting portion and spread groove sliding connection. When the inclined drawing rod moves in an up-down inclined mode, the connecting portion moves transversely in the connecting groove.
As the utility model discloses further improve: the fixed die plate is provided with an inclined disengaging rod which can move obliquely, and the inclined disengaging rod is provided with an inclined disengaging part. The inclined stripping part can be used for carrying out local molding and core pulling on the side face of the injection molding part.
As the utility model discloses further improve: the fixed die base is provided with a chute, and the chute is provided with a movable inclined pulling piece; the inclined pulling piece is fixedly connected with the inclined releasing rod, and the end of the inclined pulling piece connected with the inclined releasing rod is provided with a compressed elastic piece. The inclined pulling piece can move in the chute and is used for pulling the inclined releasing rod, so that the inclined releasing rod can be prevented from falling downwards to be separated from the fixed die plate, and the elastic piece can push the inclined releasing rod to move downwards when the die is opened.
As the utility model discloses further improve: the cover half seat be equipped with the bullet hole, the push pedal be equipped with the locating hole, spring one end be located the locating hole, the spring other end be located the bullet hole. The locating hole can be to spring lower extreme location, and the bullet hole can be to spring upper end location.
As the utility model discloses further improve: the cover half subassembly be equipped with the runner cover, the cover half seat be equipped with the material loading and say, the fixed die plate be equipped with the unloading way that passes interior shaping portion, runner cover, material loading way, unloading say and link up in proper order. The sprue bush is connected with an injection molding pipe orifice of an injection molding machine, so that hot glue in a molten state in the injection molding machine is injected into the sprue bush and the mold cavity.
Drawings
FIG. 1 is a schematic bottom perspective view of an injection molded part;
FIG. 2 is a schematic top perspective view of an injection molded part;
fig. 3 is an exploded view of the present invention;
FIG. 4 is a schematic diagram of a top view of the stationary mold assembly after detonation;
FIG. 5 is a schematic bottom view of the stationary mold assembly after detonation;
FIG. 6 is an exploded view of the inner core pulling assembly;
FIG. 7 is an assembled view of the inner core pulling assembly;
FIG. 8 is a front sectional view of the present invention;
fig. 9 is a side sectional view of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1-9: an injection mold with an inward pushing structure comprises a fixed mold component 200 and a movable mold component 300, wherein the movable mold component 300 is provided with a movable mold plate 310, the movable mold plate 310 is provided with an inner groove 311 and a plurality of side sliding grooves 312, the side sliding grooves 312 are provided with movable side sliding blocks 330, and the side sliding blocks 330 are provided with inclined middle sliding grooves 331; the fixed die assembly 200 is provided with a fixed die holder 220 and a fixed die plate 230, and the fixed die holder 220 is fixedly connected with the fixed die plate 230; the fixed die plate 230 is provided with an inner forming part 232 and a driving piece 270, the driving piece 270 is provided with an inclined driving column 271, and the driving column 271 can be inserted into the middle sliding groove 331; an inner core-pulling assembly 400 is arranged in the fixed die holder 220, the inner core-pulling assembly 400 comprises a movable push plate 1 and a spring 3 for pushing the push plate 1 to the fixed die plate 230, the push plate 1 is fixedly provided with a straight ejector rod 7 and an inclined pulling rod 6 which are inserted into the inner forming part 232, the inclined pulling rod 6 is provided with a cross column 62, and the inner forming part 232 is matched with the inner groove 311. As shown in fig. 6-8, the fixed mold base 220 is fixedly provided with a guide rod 2 penetrating through the spring 3 and the push plate 1, the push plate 1 can move up and down along the guide rod 2, and the guide rod 2 plays a role in guiding and limiting.
The push plate 1 is fixedly provided with a pull rod 4, and the end of the pull rod 4 far away from the push plate 1 is movably connected with the fixed die holder 220. The upper end of the pull rod 4 is a head part with a larger diameter, the fixed die base 220 is provided with a big hole and a small hole, the rod part of the pull rod 4 moves up and down in the small hole, and the head part moves up and down in the big hole; after the mold is opened, the pull rod 4 moves downwards, the head of the pull rod 4 is blocked by the end face of the small hole, and then the pull rod 4 cannot fall downwards, so that the push plate 1 does not continuously fall downwards to be separated from the fixed mold base 220, and the lower end of the push plate 1 cannot hit the fixed mold plate 230.
The fixed die holder 220 is provided with a movable groove 224, and the push plate 1 is movably arranged in the movable groove 224. The push plate 1 can move linearly up and down in the movable groove 224 so as to drive the straight ejector rod 7 and the inclined ejector rod 6 to move.
The push plate 1 is fixedly provided with a connecting block 5, the connecting block 5 is provided with a connecting groove 51, the inclined pulling rod 6 is provided with a connecting part 61, and the connecting part 61 is connected with the connecting groove 51 in a sliding manner. After the mold is opened, the push plate 1 moves linearly downward, the inclined rod 6 moves obliquely downward in the fixed mold plate 230 (the fixed mold plate 230 is provided with an inclined hole matched with the inclined rod 6), and in the process, the connecting part 61 moves transversely in the connecting groove 51.
The stationary platen 230 is provided with a diagonal bar 260 that is movable obliquely, and the diagonal bar 260 is provided with a diagonal portion 261. As shown in fig. 9, when the mold is opened, the diagonal release bar 260 is obliquely moved to the lower left.
The fixed die holder 220 is provided with a chute 221, and the chute 221 is provided with a movable inclined pulling piece 240; the diagonal draw member 240 is fixedly connected with the diagonal take-off rod 260, and the diagonal draw member 240 is provided with a compressed elastic member 250 at the end connected with the diagonal take-off rod 260. As shown in fig. 9, when the mold is opened, the elastic member 250 applies a pushing force to the inclined release rod 260 towards the left lower side, so that the inclined release rod 260 follows the movable mold plate 310 to move downwards, and the inclined release part 261 slowly and transversely releases from the side surface of the injection molded part; when the movable platen 310 is moved down to a long distance, the diagonal draw bar 260 is pulled by the diagonal draw member 240 to stop moving down.
The fixed die holder 220 is provided with an elastic hole 222, the push plate 1 is provided with a positioning hole 11, one end of the spring 3 is positioned in the positioning hole 11, and the other end of the spring 3 is positioned in the elastic hole 222. Thus, the upper and lower ends of the spring 3 are limited by the spring hole 222 and the positioning hole 11, respectively.
The fixed die assembly 200 is provided with a sprue bush 210, the fixed die holder 220 is provided with a feeding channel 223, the fixed die plate 230 is provided with a discharging channel 231 penetrating through the inner forming part 232, and the sprue bush 210, the feeding channel 223 and the discharging channel 231 are sequentially communicated. The molten hot glue reaches the die cavity from the sprue bush 210, the feeding passage 223 and the discharging passage 231 and is injected. The blanking channel 231 at the inner forming portion 232 enables the boss 110 of the injection molding part 100 to be injection molded separately, so as to ensure the injection molding quality.
The movable mold assembly 300 is further provided with a movable mold base 340 and a movable top plate 350, and the top plate 350 is provided with a movable mold lifter 320 penetrating through the movable mold plate 310. After the mold is opened, the top plate 350 drives the movable mold lifter 320 to push the injection molded part 100 upward out of the movable mold plate 310.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. An injection mold with an inward pushing structure comprises a fixed mold component and a movable mold component, and is characterized in that,
the movable die assembly is provided with a movable die plate, the movable die plate is provided with an inner groove and a plurality of side sliding grooves, the side sliding grooves are provided with movable side sliding blocks, and the side sliding blocks are provided with inclined middle sliding grooves;
the fixed die assembly is provided with a fixed die seat and a fixed die plate, and the fixed die seat is fixedly connected with the fixed die plate; the fixed die plate is provided with an inner forming part and a driving part, the driving part is provided with an inclined driving column, and the driving column can be inserted into the middle sliding groove; the cover half seat in be equipped with interior subassembly of loosing core, interior subassembly of loosing core include mobilizable push pedal and push the push pedal to the spring of cover half board, the push pedal fixed be equipped with insert interior shaping portion straight ejector pin and draw the pole to one side, draw the pole to one side be equipped with the spreader, interior shaping portion and inner groovy adaptation.
2. The injection mold with the inward pushing structure as claimed in claim 1, wherein the pushing plate is fixedly provided with a pull rod, and the end of the pull rod away from the pushing plate is movably connected with the fixed mold base.
3. An injection mold with an inward pushing structure as claimed in claim 1, wherein the fixed mold base is provided with a movable groove, and the pushing plate is movably arranged in the movable groove.
4. The injection mold with the inward pushing structure as claimed in claim 1, wherein the pushing plate is fixedly provided with a connecting block, the connecting block is provided with a connecting groove, the inclined pulling rod is provided with a connecting portion, and the connecting portion is slidably connected with the connecting groove.
5. An injection mold having an inward-pushing structure as claimed in claim 1, wherein said stationary platen is provided with a diagonal bar which is movable obliquely, said diagonal bar being provided with a diagonal portion.
6. The injection mold with the inward pushing structure as claimed in claim 5, wherein the fixed mold base is provided with a chute, and the chute is provided with a movable inclined pulling member; the inclined pulling piece is fixedly connected with the inclined releasing rod, and the end of the inclined pulling piece connected with the inclined releasing rod is provided with a compressed elastic piece.
7. An injection mold with an inward pushing structure as claimed in claim 1, wherein the fixed mold base is provided with a spring hole, the pushing plate is provided with a positioning hole, one end of the spring is located in the positioning hole, and the other end of the spring is located in the spring hole.
8. The injection mold with the inward pushing structure as claimed in claim 1, wherein the fixed mold assembly is provided with a sprue bush, the fixed mold base is provided with a feeding channel, the fixed mold plate is provided with a discharging channel penetrating through the inner molding part, and the sprue bush, the feeding channel and the discharging channel are sequentially communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221173666.3U CN217293311U (en) | 2022-05-16 | 2022-05-16 | Injection mold with push-in structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221173666.3U CN217293311U (en) | 2022-05-16 | 2022-05-16 | Injection mold with push-in structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217293311U true CN217293311U (en) | 2022-08-26 |
Family
ID=82918104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221173666.3U Active CN217293311U (en) | 2022-05-16 | 2022-05-16 | Injection mold with push-in structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217293311U (en) |
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2022
- 2022-05-16 CN CN202221173666.3U patent/CN217293311U/en active Active
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