CN203876152U - Injection mold with stable reset function - Google Patents
Injection mold with stable reset function Download PDFInfo
- Publication number
- CN203876152U CN203876152U CN201420311713.5U CN201420311713U CN203876152U CN 203876152 U CN203876152 U CN 203876152U CN 201420311713 U CN201420311713 U CN 201420311713U CN 203876152 U CN203876152 U CN 203876152U
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- China
- Prior art keywords
- injection mold
- plate
- push rod
- fixed head
- moving spring
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Abstract
The utility model discloses an injection mold with a stable reset function. The injection mold comprises a fixed plate and a male mold arranged on the fixed plate, wherein two support blocks which are the same in shape and size are arranged between the male mold and the fixed plate, a lower ejection plate is arranged between the support blocks, an upper ejection plate is arranged on the lower ejection plate, a slot is formed in the middle of the male mold, the lower ejection plate is provided with an ejection rod, the ejection rod penetrates through the upper ejection plate, the end part of the ejection rod is arranged in the slot, a reset spring is sheathed at the bottom end of the ejection rod, the reset spring is fixed on the lower ejection plate and is connected with the fixed plate, the reset spring is a nitrogen spring, the ejection rod is provided with a clamping slot, the reset spring is clamped in the clamping slot, and the lower ejection plate is provided with a clamping bulge which clamps the reset spring. The injection mold is of simple structure and convenient to use, adopts the nitrogen spring to stably reset the ejection rod, is stressed uniformly and has long service life.
Description
Technical field
The utility model relates to a kind of injection mold, particularly a kind of injection mold with steady reset function.
Background technology
A kind of processing method of using when injection mo(u)lding is some complex-shaped parts of batch production.Specifically refer to the material melting that is heated to inject die cavity by high pressure, after cooling curing, obtain formed products.Injection mold is divided into two kinds, thermosetting plastic mould, thermoplastic plastic's mould according to shaping characteristic; Divide into and pass mold, blow molding die, draw mould, thermoforming mould, hot-die (compression mould), injection mould etc. according to moulding process, wherein hot-die can be divided into again excessive formula, half overflow formula, overflow three kinds of formulas in flash mode, and injection mould can be divided into again two kinds of cold flowing mould channel, hot runner moulds with running gate system; Can be divided into movable type, fixed two kinds by handling mode.Injection mold is made up of dynamic model and cover half two parts, and dynamic model is arranged on the moving die plate of injection (mo(u)lding) machine, and cover half is arranged on the fixed form of injection (mo(u)lding) machine.Dynamic model and cover half closed formation running gate system and die cavity in the time of injection moulding, when die sinking, dynamic model separates to take out plastic products with cover half.Although the structure of mould may be ever-changing because plastics variety and performance, the shape of plastic products and the type of structure and injector etc. are different, basic structure is consistent.Mould is mainly made up of running gate system, thermoregulating system, forming part and constitutional detail.Wherein running gate system and forming part are and the direct contact portion of plastics, and change with plastics and goods, are the most complicated in mold, change maximum, require processing fineness and the highest part of precision.Existing common spring there will be speed in the time that mould resets, and the oversize meeting elastic loss of spring working time.
Utility model content
For the deficiency existing in prior art, it is a kind of simple in structure, easy to use that the utility model provides, and adopt nitrogen spring can make push rod steadily reset, the stressed injection mold with steady reset function that greatly extends die life of evenly making.
To achieve these goals, the utility model is to realize by the following technical solutions:
A kind of injection mold with steady reset function, comprise fixed head and be arranged on the male model on fixed head, between male model and fixed head, be provided with the mould pin that two block-shaped sizes are identical, between mould pin, be provided with lower liftout plate, lower liftout plate is provided with upper ejector plate, the centre position of described male model is provided with slot, lower liftout plate is provided with push rod, push rod is through upper ejector plate, the end of push rod is arranged in slot, the bottom of push rod is set with back-moving spring, back-moving spring is fixed on lower liftout plate and with fixed head and is connected, back-moving spring is nitrogen spring, push rod is provided with draw-in groove, back-moving spring is lived in draw-in groove clamping, lower liftout plate is provided with card convex, back-moving spring is lived in card convex clamping.
Further, described fixed head is provided with inverted draw cut.
Further, described fixed head, mould pin and male model are fixedly connected with by steady pin.
Further, described male model is provided with guide pillar groove.
Further, described male model is provided with locating slot.
Adopt the injection mold with steady reset function of technique scheme, because the centre position of described male model is provided with slot, lower liftout plate is provided with push rod, push rod is through upper ejector plate, the end of push rod is arranged in slot, the bottom of push rod is set with back-moving spring, back-moving spring is fixed on lower liftout plate and with fixed head and is connected, back-moving spring is nitrogen spring, push rod is provided with draw-in groove, back-moving spring is lived in draw-in groove clamping, lower liftout plate is provided with card convex, back-moving spring is lived in card convex clamping, following liftout plate drives push rod to push ahead by upper ejector plate, facilitate push rod to eject plastic part, adopt nitrogen spring can make push rod steadily reset, stressed even, greatly extended die life, and by draw-in groove and card convex securely clamping live back-moving spring, mold work is carried out smoothly.
Brief description of the drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is the structural representation that the utlity model has the injection mold of steady reset function.
Detailed description of the invention
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with detailed description of the invention, further set forth the utility model.
As shown in Figure 1, a kind of injection mold with steady reset function, comprise fixed head 1 and be arranged on the male model 5 on fixed head 1, between male model 5 and fixed head 1, be provided with the mould pin 4 that two block-shaped sizes are identical, between mould pin 4, be provided with lower liftout plate 2, lower liftout plate 2 is provided with upper ejector plate 3, the centre position of male model 5 is provided with slot 8, lower liftout plate 2 is provided with push rod 6, push rod 6 is through upper ejector plate 3, the end of push rod 6 is arranged in slot 8, the bottom of push rod 6 is set with back-moving spring 7, back-moving spring 7 is fixed on lower liftout plate 2 and with fixed head 1 and is connected, back-moving spring 7 is nitrogen spring, push rod 6 is provided with draw-in groove 12, back-moving spring 7 is lived in draw-in groove 12 clampings, lower liftout plate 2 is provided with card convex 13, back-moving spring 7 is lived in card convex 13 clampings, fixed head 1 is provided with inverted draw cut 14, and fixed head 1, mould pin 4 and male model 5 are fixedly connected with by steady pin 9, and male model 5 is provided with guide pillar groove 11, and male model 5 is provided with locating slot 10.
The utlity model has the injection mold of steady reset function, owing to being provided with the mould pin 4 that two block-shaped sizes are identical between male model 5 and fixed head 1, between mould pin 4, be provided with lower liftout plate 2, lower liftout plate 2 is provided with upper ejector plate 3, the centre position of male model 5 is provided with slot 8, lower liftout plate 2 is provided with push rod 6, push rod 6 is through upper ejector plate 3, the end of push rod 6 is arranged in slot 8, the bottom of push rod 6 is set with back-moving spring 7, back-moving spring 7 is fixed on lower liftout plate 2 and with fixed head 1 and is connected, back-moving spring 7 is nitrogen spring, push rod 6 is provided with draw-in groove 12, back-moving spring 7 is lived in draw-in groove 12 clampings, lower liftout plate 2 is provided with card convex 13, back-moving spring 7 is lived in card convex 13 clampings, following liftout plate 2 drives push rod 6 to push ahead by upper ejector plate 3, facilitate push rod 6 to eject plastic part, adopt nitrogen spring can make push rod 6 steadily reset, stressedly evenly make greatly extend die life, and by draw-in groove 12 and card convex 13 securely clamping live back-moving spring 7, mold work is carried out smoothly.Because fixed head 1 is provided with inverted draw cut 14, so facilitate the top rod on injection machine to head into, promote lower liftout plate 2.Because fixed head 1, mould pin 4 and male model 5 are fixedly connected with by steady pin 9, so easy to assembly.Because male model 5 is provided with guide pillar groove 11, facilitate grafting guide pillar.Because male model 5 is provided with locating slot 10, so facilitate mold insert to inlay.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. one kind has the injection mold of steady reset function, comprise fixed head and be arranged on the male model on fixed head, between male model and fixed head, be provided with the mould pin that two block-shaped sizes are identical, between mould pin, be provided with lower liftout plate, lower liftout plate is provided with upper ejector plate, it is characterized in that: the centre position of described male model is provided with slot, lower liftout plate is provided with push rod, push rod is through upper ejector plate, the end of push rod is arranged in slot, the bottom of push rod is set with back-moving spring, back-moving spring is fixed on lower liftout plate and with fixed head and is connected, back-moving spring is nitrogen spring, push rod is provided with draw-in groove, back-moving spring is lived in draw-in groove clamping, lower liftout plate is provided with card convex, back-moving spring is lived in card convex clamping.
2. the injection mold with steady reset function according to claim 1, is characterized in that: described fixed head is provided with inverted draw cut.
3. the injection mold with steady reset function according to claim 1, is characterized in that: described fixed head, mould pin and male model are fixedly connected with by steady pin.
4. the injection mold with steady reset function according to claim 1, is characterized in that: described male model is provided with guide pillar groove.
5. the injection mold with steady reset function according to claim 1, is characterized in that: described male model is provided with locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420311713.5U CN203876152U (en) | 2014-06-12 | 2014-06-12 | Injection mold with stable reset function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420311713.5U CN203876152U (en) | 2014-06-12 | 2014-06-12 | Injection mold with stable reset function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203876152U true CN203876152U (en) | 2014-10-15 |
Family
ID=51676693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420311713.5U Active CN203876152U (en) | 2014-06-12 | 2014-06-12 | Injection mold with stable reset function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203876152U (en) |
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2014
- 2014-06-12 CN CN201420311713.5U patent/CN203876152U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 318020, Taizhou City, Zhejiang province Huangyan District North City streets Ma On Shan Village Patentee after: Taizhou plain Huangyan good luck locomotive component Co., Ltd Address before: 318020 Taizhou Huangyan Chengjiang Jiang Tian Cun, Zhejiang, China Patentee before: Taizhou plain Huangyan good luck locomotive component Co., Ltd |