CN223442766U - A mechanical oblique ejection structure for small molds - Google Patents
A mechanical oblique ejection structure for small moldsInfo
- Publication number
- CN223442766U CN223442766U CN202423010452.6U CN202423010452U CN223442766U CN 223442766 U CN223442766 U CN 223442766U CN 202423010452 U CN202423010452 U CN 202423010452U CN 223442766 U CN223442766 U CN 223442766U
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- CN
- China
- Prior art keywords
- plate
- needle plate
- ejector
- lower needle
- ejection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a small mould mechanical oblique ejection structure, which comprises an upper needle plate and a lower needle plate which are arranged on a mould bottom plate, wherein the upper needle plate is positioned above the lower needle plate and is connected with the lower needle plate, an ejection plate is arranged between the mould bottom plate and the lower needle plate, the ejection plate adopts a plate-shaped structure with an inclined surface at the top, a through hole is formed in the ejection plate, an ejection plate guide post is inserted into the through hole, an upper needle plate guide post and a lower needle plate guide post are arranged on the mould bottom plate, needle plate guide holes are formed in the upper needle plate and the lower needle plate, the upper needle plate guide post and the lower needle plate guide post are arranged in the needle plate guide holes, T-shaped blocks are connected and matched with the lower needle plate and the ejection plate in a connecting mode, the T-shaped blocks are arranged in a T-shaped channel formed between the lower needle plate and the ejection plate in a sliding mode, and the T-shaped blocks slide linearly along the T-shaped channel. According to the utility model, the oblique ejection of small products is realized, an oil cylinder structure is not required, the outline size of the die is not required to be increased, and the development cost of the die and the production cost of parts are reduced.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a mechanical oblique ejection structure of a small die.
Background
The mould is a tool for producing products with certain shape and size requirements, the rationality and the processing precision of the mould structure and the like have direct influence on the quality and the production efficiency of the products, so that the design and the manufacturing technology of the mould are very concerned in all countries of the world, new technologies are actively explored, and new equipment is developed to meet the development needs of modern moulds. With the rapid development of the automobile industry, the structural requirements of products are higher and higher, and the requirements on corresponding dies are higher and higher.
In the prior art, aiming at a product needing oblique ejection, an oil cylinder mechanism is generally required to be adopted for ejection. For the die of small products, the size of the die is relatively small, the installation space required by the oil cylinder is large, normal installation cannot be realized, and the peripheral size of the die needs to be increased. The larger size of the mould is produced by using a larger injection molding machine, so that the cost waste of the mould development and injection molding production links is caused. Therefore, a small mechanical oblique ejection structure is needed to solve the above problems.
Disclosure of utility model
Aiming at the defects that in the prior art, the oil cylinder mechanism is adopted to eject the die for small products, the peripheral size of the die is required to be increased, the cost is wasted and the like, the application provides a small die mechanical type oblique ejection structure with reasonable structure, which can realize oblique ejection of small products, does not need to use the oil cylinder structure, does not need to increase the outline size of the die, and reduces the development cost of the die and the production cost of parts.
The technical scheme adopted by the utility model is as follows:
The utility model provides a small-size mould mechanical type slant ejection structure, includes the last faller and the lower faller of setting on the mould bottom plate, goes up the faller and is located the top of lower faller and with lower faller interconnect, the liftout plate setting is between mould bottom plate and lower faller, and the liftout plate adopts the platy structure of top with the inclined plane, has seted up the through-hole on the liftout plate insert in the through-hole and be provided with the liftout guide pillar, is provided with upper and lower faller guide pillar on the mould bottom plate, has seted up the faller guiding hole on last faller and lower faller, and upper and lower faller guide pillar sets up in the faller guiding hole, adopts T type piece to connect the cooperation between faller and the liftout plate, and T type piece slides and sets up in the T font passageway that forms jointly between lower faller and the liftout plate, and ejector pin Kong Lagan interconnect is passed down to the bottom of liftout plate along T font passageway straight line, ejector pin Kong Lagan interconnect.
As a further improvement of the above technical scheme:
The ejector plate guide posts are mutually perpendicular to the bottom surface of the ejector plate, and the ejector plate guide posts are vertically arranged on the bottom plate of the die.
The bottom of the ejector plate is provided with a cylinder cap which is embedded at the position matched with the ejector plate guide post, the cylinder cap is fixed in the bottom of the ejector plate through a fastening bolt and is sleeved on the periphery of the ejector plate guide post.
A slot is arranged on the bottom surface of the ejector plate, and an ejector plate return pin positioned at the top of the ejector plate is arranged after the ejector plate passes through the slot through a fastening bolt.
The upper needle plate guide post and the lower needle plate guide post are mutually perpendicular to the surfaces of the upper needle plate and the lower needle plate, form an inclined included angle with the top surface of the ejector plate, and are distributed in the spaces on two sides of the ejector plate.
An inverted T-shaped groove channel is formed in the top inclined plane of the ejector plate, a square groove is formed in the bottom surface of the lower needle plate, the square groove and the top of the ejector plate are matched with each other to form a T-shaped channel, and the T-shaped block is fixed on the lower needle plate through a fastening bolt.
The bottom surface of the lower needle plate is provided with an inverted T-shaped groove channel, the top inclined surface of the ejector plate is provided with a square groove, the square groove and the bottom of the lower needle plate are mutually matched to form a T-shaped channel, and the T-shaped block is fixed on the ejector plate through a fastening bolt.
The upper surface of the ejector plate is provided with ejector plate limiting columns which are mutually parallel to the ejector plate guide columns, runway-shaped through holes which are correspondingly matched with the ejector plate limiting columns are formed in the upper needle plate and the lower needle plate, and the ejector plate limiting columns are inserted into the runway-shaped through holes.
The upper needle plate and the lower needle plate are provided with ejector blocks, the bottom of the lower needle plate is provided with a slot, and the ejector blocks positioned at the top of the upper needle plate are installed after penetrating through the upper needle plate and the lower needle plate through fastening bolts in the slot.
The beneficial effects of the utility model are as follows:
The mechanism realizes oblique ejection of small products, does not need to use an oil cylinder structure, does not need to enlarge the outline dimension of the die, and reduces the development cost of the die and the production cost of parts. Meanwhile, the complex mechanism that the front mold tunnel core pulling or the oil cylinder core pulling is needed to be manufactured due to the product modeling problem is avoided, the appearance quality of the product is guaranteed, and the product qualification rate is improved.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Fig. 3 is a schematic diagram of the operation of the present utility model.
FIG. 4 is a second schematic diagram of the present utility model in operation.
The mark is 1, upper needle plate; 2, a lower needle plate, 3, an ejector plate, 4, a T-shaped block, 5, an ejector plate guide post, 6, an ejector rod Kong Lagan, 7, an upper and lower needle plate guide post, 8, an upper and lower needle plate return needle, 9, a product, 10, an ejector block, 11, an ejector plate return needle, 12, a die bottom plate, 13 and an ejector plate limit post.
Detailed Description
Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 4, the mechanical oblique ejection structure of a small die of the present utility model includes an upper needle plate 1 and a lower needle plate 2 disposed on a die bottom plate 12, the upper needle plate 1 is disposed above the lower needle plate 2, and the upper needle plate 1 is disposed above the lower needle plate 2 in parallel and is connected with the lower needle plate 2, the upper needle plate 1 and the lower needle plate 2 cooperate with each other, and the upper needle plate 1 and the lower needle plate 2 are ejected obliquely during operation. An ejector plate 3 is arranged at the bottom of the upper needle plate 1 and the lower needle plate 2, and the lower needle plate 2 is placed on the ejector plate 3. The ejector plate 3 adopts a plate-shaped structure with an inclined plane at the top, and the upper needle plate 1 and the lower needle plate 2 are obliquely arranged at the top of the ejector plate 3. The ejector plate 3 is positioned between the die bottom plate 12 and the lower needle plate 2, and the ejector plate 3 can perform ejection operation by driving the ejector rod.
The ejector plate 3 is provided with a through hole, the ejector plate guide post 5 is inserted into the through hole, the ejector plate guide post 5 is mutually perpendicular to the bottom surface of the ejector plate 3, the ejector plate guide post 5 is vertically arranged on the die bottom plate 12, and the ejector plate guide post 5 plays a role in guiding the ejector plate 3 when the ejector plate 3 performs ejection operation. A cylinder cap is arranged at the matching part of the bottom of the ejector plate 3 and the ejector plate guide post 5, is fixed in the bottom of the ejector plate 3 through a fastening bolt, and is sleeved on the periphery of the ejector plate guide post 5. A slot is formed in the bottom surface of the ejector plate 3, an ejector plate return needle 11 positioned at the top of the ejector plate 3 is installed after the ejector plate 3 passes through the ejector plate 3 through a fastening bolt in the slot, the ejector plate return needle 11 protrudes out of the top of the ejector plate 3 and is arranged parallel to the ejector plate guide post 5, and when the ejector plate 3 performs ejection operation, the ejector plate return needle 11 can ensure smooth reset of the ejector plate 3.
The upper needle plate guide post 7 and the lower needle plate guide post 7 are arranged on the die bottom plate 12, needle plate guide holes corresponding to each other are formed in the upper needle plate 1 and the lower needle plate 2, and the needle plate guide holes in the upper needle plate 1 and the lower needle plate 2 are mutually communicated and matched. The upper and lower needle plate guide posts 7 are inserted into the needle plate guide holes, the upper and lower needle plate guide posts 7 are mutually perpendicular to the surfaces of the upper needle plate 1 and the lower needle plate 2, and form an inclined included angle with the top surface of the ejector plate 3, and the upper and lower needle plate guide posts 7 are distributed in the spaces on two sides of the ejector plate 3.
The lower needle plate 2 and the ejector plate 3 are connected and matched by adopting a T-shaped block 4, and the T-shaped block 4 is arranged in a T-shaped channel jointly formed between the lower needle plate 2 and the ejector plate 3 in a sliding manner. Preferably, an inverted T-shaped groove channel is formed in the top inclined plane of the ejector plate 3, and at the moment, a square groove is formed in the bottom surface of the lower needle plate 2 and is matched with the top of the ejector plate 3 to form a T-shaped channel together. The T-shaped block 4 is placed in the T-shaped channel between the lower needle plate 2 and the ejector plate 3, and the top is fixed on the lower needle plate 2 by fastening bolts and slides linearly along the T-shaped channel between the lower needle plate 2 and the ejector plate 3. As an alternative, an inverted T-shaped groove channel is formed on the bottom surface of the lower needle plate 2, and at this time, a square groove is formed on the top inclined surface of the ejector plate 3, and the square groove and the bottom of the lower needle plate 2 are mutually matched to form a T-shaped channel. The T-shaped block 4 is placed in the T-shaped channel between the lower needle plate 2 and the ejector plate 3, and the bottom is fixed on the ejector plate 3 through a fastening bolt and slides linearly along the T-shaped channel between the lower needle plate 2 and the ejector plate 3.
The upper surface of the ejector plate 3 is also fixedly provided with an ejector plate limiting column 13, the ejector plate limiting column 13 and the ejector plate guide column 5 are arranged in parallel, runway-type through holes corresponding to the ejector plate limiting column 13 are formed in the upper needle plate 1 and the lower needle plate 2, the ejector plate limiting column 13 is inserted into the runway-type through holes, and when the upper needle plate 1 and the lower needle plate 2 and the ejector plate 3 are relatively displaced, the stroke range of the upper needle plate 1 and the lower needle plate 2 is limited.
The ejector plate 3 is arranged between the die bottom plate 12 and the lower needle plate 2, the bottom of the ejector plate 3 is connected with the ejector rod Kong Lagan through a fastening bolt, the die bottom plate 12 is provided with an ejector rod hole for accommodating the ejector rod Kong Lagan 6, and the ejector rod Kong Lagan 6 downwards passes through the ejector rod hole of the die bottom plate 12 to be connected with the ejector rod. When the ejection operation is performed, the ejector rod drives the ejector plate 3 to eject upwards through the ejector rod Kong Lagan. An ejector block 10 is further arranged in the upper needle plate 1 and the lower needle plate 2, a slot is formed in the bottom of the lower needle plate 2, the ejector block 10 positioned at the top of the upper needle plate 1 is arranged after penetrating through the upper needle plate 1 and the lower needle plate 2 through fastening bolts in the slot, the top of the ejector block 10 is in contact with an injection molded product 9 in a mold cavity, and when ejection operation is performed, the ejector block 10 ejects the product 9 out of the mold in the direction of the product 9.
When the ejector plate is in operation, the upper needle plate 1 and the lower needle plate 2 are obliquely ejected in the die, the ejector plate 3 is arranged at the bottom of the lower needle plate 2, the ejector plate 3 and the lower needle plate 2 are connected in a matched mode by adopting the T-shaped block 4, and the ejector plate return needle 11 and the ejector plate guide post 5 are arranged on the ejector plate 3, so that the ejector plate return needle 11 and the ejector plate guide post 5 can be smoothly ejected and reset in the ejection direction of the die bottom plate 12. The ejector rod of the die bottom plate 12 is connected to the bottom of the ejector plate 3 through the thread of the ejector rod Kong Lagan, so that the ejector plate 3 and the ejector rod are connected into a whole, and smooth ejection and resetting of the ejector plate 3 can be realized.
When the ejector plate 3 is ejected, the T-shaped block 4 fixed on the lower needle plate 2 can slide left and right in the T-shaped channel of the ejector plate 3, the upper needle plate 1 and the lower needle plate 2 realize oblique ejection under the driving of the upper needle plate guide post 7, the lower needle plate guide post 7 and the upper needle plate return needle 8 of the upper needle plate 2, the ejector block 10 on the upper needle plate 1 completes oblique ejection of the product 9 under the driving of the ejector block, and finally the product 9 completes ejection and pickup smoothly.
The mechanism does not need to use an oil cylinder structure, the outline dimension of the die does not need to be enlarged, and the development cost of the die and the production cost of parts are reduced. Meanwhile, the complex mechanism that the front mold tunnel core pulling or the oil cylinder core pulling is needed to be manufactured due to the product modeling problem is avoided, the appearance quality of the product is guaranteed, and the product qualification rate is improved.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423010452.6U CN223442766U (en) | 2024-12-06 | 2024-12-06 | A mechanical oblique ejection structure for small molds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423010452.6U CN223442766U (en) | 2024-12-06 | 2024-12-06 | A mechanical oblique ejection structure for small molds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223442766U true CN223442766U (en) | 2025-10-17 |
Family
ID=97337367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423010452.6U Active CN223442766U (en) | 2024-12-06 | 2024-12-06 | A mechanical oblique ejection structure for small molds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223442766U (en) |
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2024
- 2024-12-06 CN CN202423010452.6U patent/CN223442766U/en active Active
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