CN221187418U - Plastic forming die with oil cylinder self-locking structure - Google Patents
Plastic forming die with oil cylinder self-locking structure Download PDFInfo
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- CN221187418U CN221187418U CN202322723920.3U CN202322723920U CN221187418U CN 221187418 U CN221187418 U CN 221187418U CN 202322723920 U CN202322723920 U CN 202322723920U CN 221187418 U CN221187418 U CN 221187418U
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- oil cylinder
- cavity
- self
- locking structure
- locking
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- 229920003023 plastic Polymers 0.000 title claims abstract description 11
- 239000004033 plastic Substances 0.000 title claims abstract description 11
- 238000010137 moulding (plastic) Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 abstract description 10
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a plastic forming die with an oil cylinder self-locking structure, which comprises: the upper die core and the lower die core are oppositely arranged on the upper die plate and the lower die plate, a cavity for molding a product is formed by encircling the upper die core and the lower die core, oil cylinders are respectively arranged on two sides of the upper die plate, a self-locking mechanism is arranged on the lower die plate and comprises a die frame pressing strip arranged on the lower die plate and a sliding block arranged in the die frame pressing strip in a sliding manner, a core extending into the cavity is arranged at the front end of the sliding block, a profiling cavity is formed in the sliding block, a push block is arranged in the profiling cavity, accommodating cavities for accommodating locking pins are respectively arranged on two sides of the profiling cavity, and the output end of the oil cylinder is connected with the push block and can drive the push block to push the front end of the locking pin into a limiting groove of the die frame pressing strip so as to lock the sliding block. The utility model is provided with a simple mechanism for self-locking the oil cylinder, thereby realizing self-locking of the oil cylinder and achieving the purpose of reducing the cost.
Description
Technical Field
The utility model relates to the technical field of processing and manufacturing of molds, in particular to a plastic molding mold with an oil cylinder self-locking structure.
Background
Injection molding is widely used for manufacturing various parts, most of which are plastic products, and with the improvement of production technology, the requirements on the appearance and production efficiency of the products are increasingly improved.
Injection molding is a processing method used when producing parts with complex shapes in batches, so the injection mold is very commonly used in the modern manufacturing industry, a back-off part on a product is used as a slide block side core pulling mechanism in the injection industry, an oil cylinder is often used as a power source to drive a slide block to act, and the oil cylinder is used for driving.
A common self-locking mechanism is to purchase a cylinder with a self-locking function, which is achieved by solenoid valve control, which results in a significant increase in the cost of the mold.
Disclosure of utility model
The utility model mainly solves the technical problem of providing the plastic forming die with the oil cylinder self-locking structure, which is provided with the oil cylinder self-locking mechanism, wherein the sliding block is locked when the oil cylinder advances, and the plastic forming die is automatically unlocked when the oil cylinder retreats, and has the characteristics of compact structure, convenience in demoulding, good product quality, long service life, simplicity in processing and high efficiency.
In order to solve the technical problems, the utility model adopts the following technical scheme: a plastic forming die with an oil cylinder self-locking structure comprises: the upper die plate and the lower die plate are oppositely provided with an upper die core and a lower die core, the upper die core and the lower die core are encircled to form a cavity for molding a product, two sides of the upper die plate are respectively provided with an oil cylinder, the lower die plate is provided with a self-locking mechanism, the self-locking mechanism comprises a die frame pressing strip arranged on the lower die plate and a sliding block arranged in the die frame pressing strip in a sliding manner, the front end of the sliding block is provided with a core extending into the cavity, a profiling cavity is formed in the sliding block, a pushing block is arranged in the profiling cavity, two sides of the sliding block, which are positioned in the profiling cavity, are respectively provided with a containing cavity for placing a lock pin, and the output end of the oil cylinder is connected with the pushing block and can drive the pushing block to push the front end of the lock pin into a limiting groove of the die frame pressing strip so as to lock the sliding block.
In a preferred embodiment of the present utility model, the cross sections of the two sets of limiting grooves are trapezoid structures with slope surfaces.
In a preferred embodiment of the present utility model, the positions of the limiting grooves are in one-to-one correspondence with the positions of the accommodating cavities.
In a preferred embodiment of the utility model, the end of the push block, which contacts the lock pin, is a conical surface with an inclined push surface.
In a preferred embodiment of the present utility model, two sets of the receiving cavities are in communication with the profiling cavity.
In a preferred embodiment of the present utility model, the accommodating cavity is a simulation cavity with a horizontal structure.
The beneficial effects of the utility model are as follows: the utility model discloses a take hydro-cylinder self-locking structure's plastics forming die from taking hydro-cylinder self-locking structure, the slider lock is dead when the hydro-cylinder advances, and automatic unblock when the hydro-cylinder retreats has compact structure, and the drawing of patterns is convenient, and product quality is good, long service life, and processing is simple, efficient characteristics, self-locking mechanism's simple structure reduces product cost, increases the competitiveness of product, has extensive market prospect in the mould field.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a side view of a plastic molding die with a cylinder self-locking structure of the present utility model;
FIG. 2 is a schematic view of a part of the structure in the present utility model;
FIG. 3 is a schematic view of the forward state of the cylinder;
FIG. 4 is a schematic view of the ram in a retracted state;
fig. 5 is an enlarged view of a partial structure in fig. 4.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the plastic molding die with the oil cylinder self-locking structure of the utility model comprises: the upper fixing plate 1, the upper ejector plate 2, the upper template 3, the lower template 4, the lower ejector plate 5 and the lower fixing plate 6 are oppositely arranged on the upper template and the lower template, an upper die core 7 and a lower die core 8 are oppositely arranged on the upper template and the lower template, a cavity for forming a product is formed by encircling the upper die core and the lower die core, the upper fixing plate, the upper template and the lower template are correspondingly positioned through guide posts and guide sleeves, the precision of the upper template and the lower template in the up-down motion is ensured, oil cylinders 10 are respectively arranged at two sides of the upper template, a self-locking mechanism is arranged on the lower template, the self-locking mechanism specifically comprises a die carrier pressing bar 11 arranged on the lower template and a sliding block 12 which is arranged in the die carrier pressing bar in a sliding manner, a core 13 extending into the cavity is arranged at the front end of the sliding block, a profiling cavity 14 is formed in the sliding block, a containing cavity 17 used for containing a lock pin 16 is respectively arranged at two sides of the sliding block in the profiling cavity, the output end of the oil cylinders is connected with the pushing block and can drive the pushing block to push the front end of the lock pin into a limit groove 9 of the die carrier pressing bar to lock the sliding block, and the sliding block is more reliable in a collision mechanical valve mode, and the self-locking mechanism is adopted, and the mechanical valve is lower in comparison.
Specifically, the accommodating cavity is communicated with the profiling cavity and is a profiling cavity with a horizontal structure, the sections of the two groups of limiting grooves are trapezoid structures with inclined surfaces, the positions of the limiting grooves correspond to the positions of the accommodating cavity one by one, the end part of the pushing block, which is contacted with the locking pin, is a conical surface with an inclined pushing surface, when the mold is in specific work, the upper mold and the lower mold are tightly combined, the oil cylinder advances, the mold core is moved into the mold cavity, at the moment, the conical surfaces at the two sides of the end part of the pushing block are contacted with the locking pin and push the locking pin to move along the direction of the horizontal accommodating cavity away from the pushing block, the front end part of the locking pin is inserted into the limiting grooves to lock the sliding block and the mold frame pressing strip, in order to prevent that the hydro-cylinder from being pressed and withdrawing, during the injection, the melt adhesive material gets into the die cavity by the runner, after filling, pressurize and cooling three stage back product shaping, before upper and lower mould is opened, the hydro-cylinder retreats, take out the core, at this moment, the conical surface of ejector pad tip both sides breaks away from with two sets of lockpins, the slider is withdrawn the motion with driving two sets of lockpins and is gone out the unblock from sliding in the spacing groove under the drive of hydro-cylinder, self-locking mechanism simple structure, easy preparation, compared with the electric valve type, the cost is lower, the reliability is higher, after the mould is opened, the thimble board forward motion, it is ejecting to the product, the front and back mould is closed, carry out next mould production again.
The plastic forming die with the oil cylinder self-locking structure has the beneficial effects that: the utility model discloses a take hydro-cylinder self-locking structure's plastics forming die from taking hydro-cylinder self-locking structure, the slider lock is dead when the hydro-cylinder advances, and automatic unblock when the hydro-cylinder retreats has compact structure, and the drawing of patterns is convenient, and product quality is good, long service life, and processing is simple, efficient characteristics, self-locking mechanism's simple structure reduces product cost, increases the competitiveness of product, has extensive market prospect in the mould field.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.
Claims (6)
1. A plastic forming die with an oil cylinder self-locking structure comprises: the upper die plate and the lower die plate are oppositely provided with an upper die core and a lower die core, and the upper die core and the lower die core are encircled to form a cavity for forming a product.
2. The plastic molding die with the oil cylinder self-locking structure according to claim 1, wherein the cross sections of the two groups of limiting grooves are trapezoid structures with slope surfaces.
3. The plastic molding die with the oil cylinder self-locking structure according to claim 1, wherein the positions of the limiting grooves are in one-to-one correspondence with the positions of the accommodating cavities.
4. The plastic molding die with the oil cylinder self-locking structure according to claim 1, wherein the end part of the push block, which is contacted with the lock pin, is a conical surface with an inclined push surface.
5. The plastic molding die with the oil cylinder self-locking structure according to claim 1, wherein two groups of the accommodating cavities are communicated with the profiling cavity.
6. The plastic molding die with the oil cylinder self-locking structure according to claim 5, wherein the accommodating cavity is an imitation cavity with a horizontal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322723920.3U CN221187418U (en) | 2023-10-11 | 2023-10-11 | Plastic forming die with oil cylinder self-locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322723920.3U CN221187418U (en) | 2023-10-11 | 2023-10-11 | Plastic forming die with oil cylinder self-locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221187418U true CN221187418U (en) | 2024-06-21 |
Family
ID=91488116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322723920.3U Active CN221187418U (en) | 2023-10-11 | 2023-10-11 | Plastic forming die with oil cylinder self-locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221187418U (en) |
-
2023
- 2023-10-11 CN CN202322723920.3U patent/CN221187418U/en active Active
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