CN209812982U - Special injection mold for preventing pulling damage - Google Patents
Special injection mold for preventing pulling damage Download PDFInfo
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- CN209812982U CN209812982U CN201920252767.1U CN201920252767U CN209812982U CN 209812982 U CN209812982 U CN 209812982U CN 201920252767 U CN201920252767 U CN 201920252767U CN 209812982 U CN209812982 U CN 209812982U
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Abstract
The utility model discloses a special injection mold of loss of pulling prevention, including lower mould and the lower mould benevolence of setting on it, the top of lower mould is equipped with the upper die, the upper die with be connected through locking Assembly between the lower mould, and be equipped with an upper mould benevolence on the upper die, the merciful and peaceful mould benevolence of lower mould mutually supports and constitutes product injection moulding's die cavity, be equipped with into jiao kou on the upper die, enter jiao kou through set up in runner on the upper die with the die cavity communicates; and a pull loss preventing assembly for preventing the product in the cavity from being pulled and damaged is further arranged between the upper die and the lower die. The beneficial effects of the utility model are mainly embodied in that: the structure is suitable, the modern design, and the open-ended setting of runner department can increase the bellying when injection moulding to increase area of contact, make the heat dispel fast, simultaneously, this structure can increase the bellying when injection moulding, only need the later stage with the bellying excision can, can not influence the quality of shaping back product.
Description
Technical Field
The utility model relates to an injection mold equipment field particularly, especially relates to a prevent drawing and decrease special injection mold.
Background
An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.
Opening the mold is also originally a mechanical or process term, referring to the manufacture of the mold set. The term is now used in industry to refer to the set of tools that form the product design, including the mechanical equipment and the mold. Meanwhile, mold opening is a production process which occupies a high total investment, and production technology, materials and other factors can increase the cost of mold opening, so mold opening is an important production process.
The injection mold consists of a movable mold and a fixed mold, wherein the movable mold is arranged on a movable template of the injection molding machine, and the fixed mold is arranged on a fixed template of the injection molding machine. And when the mold is opened, the movable mold is separated from the fixed mold so as to take out the plastic product. In order to reduce the heavy mold design and manufacturing effort, injection molds mostly employ standard mold bases.
After the injection molding is finished, the mold needs to be opened, the existing injection molding process is relatively mature, but the conditions that product wire drawing or hot nozzle head strain easily occurs in the mold opening process due to the fact that heat of the hot nozzle head cannot be rapidly dissipated and melt cannot be cooled to cause heat accumulation often exist in the mold opening process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art existence, provide a prevent drawing and decrease special injection mold.
The purpose of the utility model is realized through the following technical scheme:
a special injection mold for preventing pulling damage comprises a lower mold and a lower mold core arranged on the lower mold, wherein an upper mold is arranged above the lower mold, the upper mold is connected with the lower mold through a locking assembly, an upper mold core is arranged on the upper mold, the lower mold core and the upper mold core are matched with each other to form a cavity for injection molding of a product, a glue inlet is arranged on the upper mold, and the glue inlet is communicated with the cavity through a flow passage arranged on the upper mold; and a pull loss preventing assembly for preventing the product in the cavity from being pulled and damaged is further arranged between the upper die and the lower die.
Preferably, the pull damage preventing assembly comprises an opening arranged in the upper mold core, the opening is located at a sprue of the upper mold core, and the height of the opening is equivalent to the distance between the parting surface and the mold closing surface of the lower mold core.
Preferably, the lower mold comprises a support plate and a corner seat fixedly arranged on the support plate, a lower mold plate is fixedly arranged on the upper surface of the corner seat, and a lower groove for accommodating the lower mold core is formed in the lower mold plate.
Preferably, a top plate and a pressing plate are fixedly arranged on the supporting plate in sequence, a group of thimbles are fixedly arranged on the top plate, penetrate through the pressing plate and the lower template and extend into the lower die core, and are used for ejecting a product in the lower die core.
Preferably, the upper die comprises an upper die plate arranged right above the lower die plate, and an upper groove for accommodating the upper die core is formed in the upper die plate; and a cover plate fixedly connected with the upper template is also arranged above the upper template.
Preferably, the locking assembly at least comprises lower accommodating grooves arranged on the periphery of the lower template, a lower stop block is fixedly arranged in each lower accommodating groove, and a groove is formed in each lower stop block; an upper containing groove is formed in the periphery of the upper template, an upper stop block is fixedly arranged in the upper containing groove, and a convex block matched with the groove is fixedly arranged on the upper stop block.
Preferably, locking Assembly is still including setting up screw hole on lower bolster and the cope match-plate pattern, can be equipped with on the screw hole rather than assorted locking bolt, locking bolt and screw hole mutually support and lock the connecting plate on lower bolster and cope match-plate pattern, accomplish rigid coupling between lower bolster and the cope match-plate pattern.
Preferably, a top rod is arranged in the flow channel, and the diameter of the top rod is smaller than that of the flow channel; and a driving cylinder is fixedly arranged on the upper die, a cylinder shaft of the driving cylinder extends into the flow channel and is fixedly connected with the ejector rod, and the ejector rod is driven to move up and down to complete the opening and closing of the opening.
The beneficial effects of the utility model are mainly embodied in that: the structure is suitable, the modern design, and the open-ended setting of runner department can increase the bellying when injection moulding to increase area of contact, make the heat dispel fast, simultaneously, this structure can increase the bellying when injection moulding, only need the later stage with the bellying excision can, can not influence the quality of shaping back product.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
FIG. 1: the utility model is a three-dimensional view;
FIG. 2: the utility model has a sectional view;
FIG. 3: an enlarged view of portion a in fig. 2;
FIG. 4: an enlarged view of portion B in fig. 3.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not limited to the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 4, the utility model discloses a prevent drawing and decrease special injection mold, including lower mould 1 and the lower mould benevolence 2 of setting on it, it is specific, lower mould 1 includes backup pad 11 and sets firmly angle seat 12 in the backup pad 11, a lower template 13 has set firmly on the upper surface of angle seat 12, be equipped with one on the lower template 13 and be used for the holding the low groove 14 of lower mould benevolence 2, lower mould benevolence 2 can be in through the bolt locking also can weld in the low groove 14, all belong to the utility model discloses a protection category does not do specifically and prescribe a limit. Further, a top plate 15 and a pressing plate 16 are sequentially and fixedly arranged on the supporting plate 11, a group of ejector pins 17 is fixedly arranged on the top plate 15, and the ejector pins 17 penetrate through the pressing plate 16 and the lower template 13 and extend into the lower die core 2 to eject the product in the lower die core 2.
The top of lower mould 1 is equipped with mould 3 and sets up the upper die benevolence on it, it is in including setting up to go up mould 3 the cope match-plate pattern 34 directly over the lower bolster 13, be equipped with on the cope match-plate pattern 34 and be used for the holding the upper groove 35 of upper die benevolence 5, upper die benevolence 5 can be in through the bolt locking in the upper groove 35, also can weld in the upper groove 35, all belong to the utility model discloses a protection category does not specifically prescribe a limit. In the above, a cover plate 33 fixedly connected to the upper mold plate 34 is further provided above the upper mold plate.
The lower die core 2 and the upper die core 5 are matched with each other to form a die cavity 6 for injection molding of a product, the upper die 3 is provided with a glue inlet 31, and the glue inlet 31 is communicated with the die cavity 6 through a flow passage 32 arranged on the upper die 3. And a pulling loss prevention assembly for preventing the product in the cavity 6 from being pulled and damaged is further arranged between the upper die 3 and the lower die 1. The anti-pulling assembly comprises an opening 51 arranged in the upper die core 5, the opening 51 is positioned at a sprue 52 of the upper die core 5, and the height of the opening 51 is equivalent to the distance between the parting surface 21 and the die joint surface 22 of the lower die core 2. The open-ended setting of gate department can increase the bellying when injection moulding to increase area of contact, make the heat dispel fast, simultaneously, this structure can increase the bellying when injection moulding, only need the later stage with the bellying excision can, can not influence the quality of shaping back product.
The utility model discloses in, go up mould 3 with connect through locking Assembly 4 between the lower mould 1, locking Assembly 4 is at least including setting up lower mould 13 lower storage tank 41 on all around, each dog 42 has all set firmly in the lower storage tank 41, a recess 43 has been seted up on the dog 42. An upper accommodating groove 44 is formed around the upper template 34, an upper stop block 45 is fixedly arranged in the upper accommodating groove 44, and a projection 46 matched with the groove 43 is fixedly arranged on the upper stop block 45. Locking assembly 4 is still including setting up screw hole on lower bolster 13 and the cope match-plate pattern 34, can be equipped with on the screw hole rather than assorted locking bolt 48, locking bolt 48 and screw hole mutually support and lock connecting plate 49 on lower bolster 13 and cope match-plate pattern 34, accomplish rigid coupling between lower bolster 13 and the cope match-plate pattern 34, locking assembly 4's setting can be with last mould and the accurate location of lower mould, guarantees to mould the precision of product in the processing, improves the yields.
The utility model discloses in, be equipped with a ejector pin 321 in the runner 32, the diameter of ejector pin 321 is less than the diameter of runner 32. A driving cylinder 322 is fixedly arranged on the upper die 3, a cylinder shaft of the driving cylinder 322 extends into the flow channel 32 and is fixedly connected with the ejector rod 321, and the ejector rod 321 is driven to move up and down to complete the opening and closing of the opening 51. The ejector rod 321 opens or closes the opening 51 to well control the plastic raw material in the flow channel 32 so as to clean and throttle the plastic raw material and prevent the wire drawing phenomenon.
The beneficial effects of the utility model are mainly embodied in that: the structure is suitable, the modern design, and the open-ended setting of runner department can increase the bellying when injection moulding to increase area of contact, make the heat dispel fast, simultaneously, this structure can increase the bellying when injection moulding, only need the later stage with the bellying excision can, can not influence the quality of shaping back product.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. Prevent losing special injection mold, its characterized in that: the injection molding die comprises a lower die (1) and a lower die core (2) arranged on the lower die (1), wherein an upper die (3) is arranged above the lower die (1), the upper die (3) is connected with the lower die (1) through a locking assembly (4), an upper die core (5) is arranged on the upper die (3), the lower die core (2) and the upper die core (5) are matched with each other to form a die cavity (6) for injection molding of a product, a glue inlet (31) is formed in the upper die (3), and the glue inlet (31) is communicated with the die cavity (6) through a flow passage (32) formed in the upper die (3); the anti-pulling component is arranged between the upper die (3) and the lower die (1) and used for preventing the product in the cavity (6) from being pulled and damaged.
2. The special injection mold for preventing pulling damage of claim 1, wherein: the anti-pulling assembly comprises an opening (51) arranged in the upper die core (5), the opening (51) is located at a sprue (52) of the upper die core (5), and the height of the opening (51) is equivalent to the distance between a parting surface (21) and a die joint surface (22) of the lower die core (2).
3. The special injection mold for preventing pulling damage of claim 2, wherein: the lower die (1) comprises a supporting plate (11) and a corner seat (12) fixedly arranged on the supporting plate (11), a lower die plate (13) is fixedly arranged on the upper surface of the corner seat (12), and a lower groove (14) used for accommodating the lower die core (2) is formed in the lower die plate (13).
4. The special injection mold for preventing pulling damage of claim 3, wherein: the die is characterized in that a top plate (15) and a pressing plate (16) are fixedly arranged on the supporting plate (11) in sequence, a group of ejector pins (17) are fixedly arranged on the top plate (15), and the ejector pins (17) penetrate through the pressing plate (16) and the lower template (13) and extend into the lower die core (2) to eject products in the lower die core (2).
5. The special injection mold for preventing pulling damage of claim 4, wherein: the upper die (3) comprises an upper die plate (34) arranged right above the lower die plate (13), and an upper groove (35) for accommodating the upper die core (5) is formed in the upper die plate (34); a cover plate (33) fixedly connected with the upper template (34) is also arranged above the upper template.
6. The special injection mold for preventing pulling damage of claim 5, wherein: the locking assembly (4) at least comprises lower accommodating grooves (41) arranged on the periphery of the lower template (13), a lower stop block (42) is fixedly arranged in each lower accommodating groove (41), and a groove (43) is formed in each lower stop block (42); an upper accommodating groove (44) is formed in the periphery of the upper template (34), an upper stop block (45) is fixedly arranged in the upper accommodating groove (44), and a convex block (46) matched with the groove (43) is fixedly arranged on the upper stop block (45).
7. The special injection mold for preventing pulling damage of claim 6, wherein: locking Assembly (4) are still including setting up screw hole on lower bolster (13) and cope match-plate pattern (34), can be equipped with on the screw hole rather than assorted locking bolt (48), locking bolt (48) and screw hole mutually support and lock connecting plate (49) on lower bolster (13) and cope match-plate pattern (34), accomplish rigid coupling between lower bolster (13) and cope match-plate pattern (34).
8. The special injection mold for preventing pulling damage of claim 2, wherein: a push rod (321) is arranged in the flow channel (32), and the diameter of the push rod (321) is smaller than that of the flow channel (32); and a driving cylinder (322) is fixedly arranged on the upper die (3), a cylinder shaft of the driving cylinder (322) extends into the flow channel (32) and is fixedly connected with a push rod (321) to drive the push rod (321) to move up and down, and the opening (51) is opened and closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920252767.1U CN209812982U (en) | 2019-02-28 | 2019-02-28 | Special injection mold for preventing pulling damage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920252767.1U CN209812982U (en) | 2019-02-28 | 2019-02-28 | Special injection mold for preventing pulling damage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209812982U true CN209812982U (en) | 2019-12-20 |
Family
ID=68873922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920252767.1U Active CN209812982U (en) | 2019-02-28 | 2019-02-28 | Special injection mold for preventing pulling damage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209812982U (en) |
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2019
- 2019-02-28 CN CN201920252767.1U patent/CN209812982U/en active Active
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