CN219360021U - Mould easy to demould - Google Patents
Mould easy to demould Download PDFInfo
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- CN219360021U CN219360021U CN202320584070.0U CN202320584070U CN219360021U CN 219360021 U CN219360021 U CN 219360021U CN 202320584070 U CN202320584070 U CN 202320584070U CN 219360021 U CN219360021 U CN 219360021U
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Abstract
The utility model discloses a die easy to demould, which comprises a die holder component and a sliding component, wherein the die holder component comprises a movable die holder and a static die holder, a die cavity is formed between the movable die holder and the static die holder, a horizontal chute is arranged on one side of the die cavity, the sliding component comprises a die core component, the die core component is slidably assembled in the horizontal chute and can slidably extend into the die cavity to be matched with the die cavity to form a product, the die core component comprises a first die core and a second die core, a through channel penetrating along the axial direction is formed in the first die core, two linkage parts are formed on the inner peripheral wall of the first die core at intervals along the axial direction, the second die core can be axially slidably arranged in the through channel, a pushing part is formed on the outer peripheral wall of the second die core, and the pushing part is positioned between the two linkage parts and is opposite to the linkage parts along the axial direction. When the mold core part is demolded, the mold core part slides along with the second mold core to be separated from the cavity, and the first mold core is firstly static and then slides along with the second mold core to be separated from the cavity in a synchronous sliding mode. The mould core part of the mould is easy to be demoulded.
Description
Technical Field
The utility model relates to the field of forming dies, in particular to a die easy to demould.
Background
The molding die, also called a die, is a die which is made up according to the shape and structure of a molded product to be produced according to the need, and the molding method is generally to inject a raw material into a cavity of the molding die and then make the raw material into a product having a certain shape.
At present, a forming die is usually matched with a cavity through inserting a slidable die core part into the cavity, so that a product with an inner cavity is prepared, but when the product is prepared and released, namely the die core part is pulled out from the cavity so that the die core part is separated from the formed product and the cavity, the whole die core part is usually pulled out integrally, the release force required by the die core part during releasing is large, the release difficulty is large, and the product is easily damaged.
Disclosure of Invention
One advantage of the present utility model is that it provides a mold that is easy to demold, the core part is easy to demold, and the demolding does not easily result in product damage.
To achieve at least one of the above advantages, the present utility model provides a mold easy to release, comprising: the die holder assembly comprises a movable die holder and a static die holder, a die cavity is formed between the movable die holder and the static die holder, and the static die holder is provided with a horizontal chute positioned at one side of the die cavity; the sliding assembly comprises a mold core part, the mold core part is assembled in the horizontal chute in a sliding manner and can extend into the cavity in a sliding manner to be matched with the cavity to form a product, the mold core part comprises a first mold core and a second mold core, a through channel penetrating along the axial direction is formed in the first mold core, two linkage parts arranged at intervals along the axial direction are formed on the inner peripheral wall of the first mold core, the second mold core can be arranged in the through channel in a sliding manner along the axial direction, a pushing part is formed on the outer peripheral wall of the second mold core, and the pushing part is positioned between the two linkage parts and is arranged opposite to the linkage parts along the axial direction; the mold core part is in a first demolding state and a second demolding state when being demolded, the mold core part is separated from the cavity along with the sliding of the second mold core in the first demolding state, and the pushing part slides to be close to the linkage part far away from the cavity while the first mold core is motionless; when the first mold core is in the first demolding state, the first mold core slides along with the first mold core to be separated from the cavity, and the pushing part is in contact with the linkage part which is far away from the cavity, so that the first mold core slides along with the first mold core to be separated from the cavity.
According to an embodiment of the present utility model, the inner peripheral wall of the first mold core is provided with an axial guide rail extending along the axial direction, and the outer peripheral wall of the second mold core is provided with an axial guide groove in sliding fit with the axial guide rail.
According to an embodiment of the present utility model, a vertical chute extending vertically is formed in the horizontal chute, and the sliding assembly further includes: the pushing piece is connected with one end part of the second mold core, which is far away from the cavity; the limiting piece is vertically arranged in the vertical sliding groove in a sliding manner and is positioned below the pushing piece, the upper surface of the limiting piece forms a pushing inclined surface, and the pushing inclined surface extends from bottom to top along the direction away from the cavity; when the mold is in the first demolding state, the limiting piece vertically extends out of the vertical sliding groove and is abutted against one end part of the first mold core, which is far away from the cavity, so as to limit the first mold core to slide and separate from the cavity, and the pushing piece slides along with the second mold core to separate from the cavity so as to push the limiting piece to slide downwards; when the mold is in the second demolding state, the limiting piece vertically contracts in the vertical sliding groove and is not in abutting connection with the first mold core any more, so that the first mold core can slide along with the second mold core to slide and separate from the cavity; and the elastic piece is arranged between the limiting piece and the vertical sliding groove and is used for driving the limiting piece to reset.
According to an embodiment of the present utility model, the elastic member includes a plurality of springs, and the plurality of springs are vertically compressively disposed between the bottom wall of the vertical chute and the lower surface of the stopper.
According to an embodiment of the present utility model, the inner wall of the vertical chute is provided with at least one vertical guide rail extending vertically, and the limiting piece forms at least one vertical guide groove adapted to be slidingly matched with the vertical guide rail.
According to an embodiment of the present utility model, the second mold core includes a linkage block and an inner cavity forming block, the linkage block is slidably disposed in the through channel, the pushing portion is formed on the peripheral wall of the linkage block, and the inner cavity forming block is detachably connected to the linkage block and is adapted to slidably extend into the cavity to form an inner cavity of the product in cooperation with the cavity.
According to an embodiment of the utility model, the static die holder is provided with two horizontal sliding rails arranged at intervals, the horizontal sliding grooves are formed between the two horizontal sliding rails, and the first die core is arranged between the two horizontal sliding rails in a sliding fit manner.
According to an embodiment of the present utility model, the inner sides of the two horizontal sliding rails form a horizontal guide groove, the first mold core includes a first mold core block and a second mold core block, the first mold core block is slidably disposed in the horizontal guide groove, the second mold core block is spliced with the first mold core block, the first mold core block and the second mold core block form the through channel and the linkage part, and an end of the second mold core block away from the first mold core block is adapted to slide into the cavity to form an end surface of the product in cooperation with the cavity.
According to an embodiment of the present utility model, the die holder assembly further includes a first die core and a second die core, the first die core and the second die core are disposed between the stationary die holder and the movable die holder, the first die core and the second die core are in butt joint, and the cavity is formed between the butt joint surfaces of the first die core and the second die core.
According to an embodiment of the present utility model, the sliding assembly further includes a driving member, where the driving member is connected to an end portion of the second mold core away from the cavity, and is used to drive the second mold core to slide into or out of the cavity.
Drawings
Fig. 1 shows a schematic structural view of a mold easy to release according to an embodiment of the present utility model.
FIG. 2 shows a cross-sectional view of a mold that is easy to demold in accordance with an embodiment of the present utility model.
Fig. 3 is a schematic view showing a structure in which a sliding assembly is mounted on a stationary mold base according to an embodiment of the present utility model.
Fig. 4 shows an exploded view of a core part according to an embodiment of the utility model.
Fig. 5 shows a schematic structural view of a sliding assembly according to an embodiment of the present utility model when the sliding assembly is mounted on a horizontal sliding rail.
Fig. 6 shows an exploded view of the slide assembly according to the embodiment of the present utility model when mounted on a horizontal slide rail.
Reference numerals
100. A mold that is easy to release;
10. a die holder assembly; 101. a cavity; 11. a movable die holder; 12. static die holder; 1201. a horizontal chute; 1202. a vertical chute; 121. a horizontal slide rail; 122. a vertical guide rail; 13. a first mold core; 14. a second mold core;
20. a sliding assembly; 21. a core component; 211. a first mold core; 21101. a through passage; 2111. a linkage part; 2112. an axial guide rail; 2113. a first core piece; 2114. a second core piece; 212. a second mold core; 2121. a pushing part; 21201. an axial guide groove; 2122. a linkage block; 2123. an inner cavity forming block; 22. a pushing member; 23. a limiting piece; 2301. pushing and pressing the inclined plane; 2302. a vertical guide slot; 24. an elastic member; 25. a driving member.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 4, the easy-to-release mold 100 of the present utility model includes a die holder assembly 10 and a slide assembly 20.
As shown in fig. 1 and 2, the die holder assembly 10 includes a movable die holder 11 and a stationary die holder 12, a die cavity 101 is formed between the movable die holder 11 and the stationary die holder 12, and the stationary die holder 12 is provided with a horizontal chute 1201 located at one side of the die cavity 101.
As shown in fig. 2 to 4, the sliding assembly 20 includes a core member 21, and the core member 21 is slidably mounted in the horizontal chute 1201 and slidably extends into the cavity 101 to form a product with the cavity 101.
The core part 21 comprises a first core 211 and a second core 212. A through passage 21101 is formed in the first mold core 211 so as to extend in the axial direction, and two interlocking portions 2111 are formed in the inner peripheral wall of the first mold core 211 so as to be spaced in the axial direction. The second mold core 212 is slidably disposed in the through channel 21101 along the axial direction, and a pushing portion 2121 is formed on the outer peripheral wall of the second mold core 212, where the pushing portion 2121 is located between the two linking portions 2111 and is disposed opposite to the linking portions 2111 along the axial direction. The mold core part 21 has a first demolding state and a second demolding state when the mold core part 21 is demolded, wherein in the first demolding state, the pushing portion 2121 slides close to the linkage portion 2111 far from the cavity 101 and the first mold core 211 is not moved when the second mold core 212 slides away from the cavity 101, i.e. when the second mold core 212 slides in the right-to-left direction as shown in fig. 2 to 4. When the core component 21 is in the second demolding state, the pushing portion 2121 abuts against the linkage portion 2111 far from the cavity 101 as the second core 212 slides away from the cavity 101, so that the first core 211 slides synchronously with the second core 212 to slide away from the cavity 101.
That is, when the core member 21 of the present utility model slides away from the cavity 101 and the product molded in the cavity 101, that is, when the second core 212 slides away from the cavity 101 in the right-to-left direction, so as to gradually separate from the cavity 101, the first core 211 is stationary with the sliding of the second core 212 at the initial stage of the second core 212 sliding away from the cavity 101, but the pushing portion 2121 of the second core 212 gradually approaches a linkage portion 2111 of the first core 211 away from the cavity 101 until the pushing portion 2121 abuts against the linkage portion 2111, and then, when the second core 212 continues to slide away from the cavity 101, the pushing portion 2121 pushes the linkage portion 2111, so that the first core 211 can slide with the second core 212 and separate from the product in the cavity 101 and the cavity 101 under the pushing action. In this way, when the mold 100 of the present utility model is released, the second mold core 212 starts to slide off the cavity 101 and the product in the cavity 101, and after the second mold core 212 slides off for a period of time, the first mold core 211 starts to slide off the cavity 101, so that the mold core part 21 is separated from the cavity 101 and the product in the cavity 101 in steps, rather than being separated integrally in one step, the mold core part 21 is not easy to damage the product, and is easy to release.
According to some preferred embodiments of the present utility model, as shown in fig. 4, the inner peripheral wall of the first mold core 211 is provided with an axial guide rail 2112 extending in the axial direction, and the outer peripheral wall of the second mold core 212 is provided with an axial guide groove 21201 slidably engaged with the axial guide rail 2112. In this way, the axial guide rail 2112 and the axial guide groove 21201 cooperate to guide the second mold core 212 to stably slide along the axial direction all the time, so as to ensure that the first mold core 211 can stably slide out of or slide into the cavity 101.
According to some preferred embodiments of the present utility model, as shown in fig. 3 to 5, the stationary mold base 12 is provided with horizontal sliding rails 121 disposed at intervals, the horizontal sliding groove 1201 is formed between the two horizontal sliding rails 121, and the first mold core 211 is disposed between the two horizontal sliding rails 121 in a sliding fit. In this way, the horizontal sliding rail 121 cooperates with the first mold core 211 to guide the first mold core 211 to stably slide in the horizontal sliding groove 1201.
Specifically, the inner sides of the two horizontal sliding rails 121 each form a horizontal guiding groove 12101, and the first mold core 211 includes a first mold core piece 2113 and a second mold core piece 2114. The first core piece 2113 is slidably disposed in the horizontal guide slot 12101, the first core piece 2113 is disposed in abutting engagement with the second core piece 2114, the first core piece 2113 and the second core piece 2114 define the through passage 21101 and the linkage 2111, and an end of the second core piece 2114 remote from the first core piece 2113 is adapted to slidably extend into the cavity 101 to form a product end surface with the cavity 101.
According to some preferred embodiments of the present utility model, as shown in fig. 4, the second mold core 212 includes a linkage block 2122 and a cavity forming block 2123, the linkage block 2122 is slidably disposed in the through channel 21101, the pushing portion 2121 is formed by a peripheral wall of the linkage block 2122, and the cavity forming block 2123 is detachably connected to the linkage block 2122 and is adapted to slidably extend into the cavity 101 to form a cavity of a product in cooperation with the cavity 101. In this manner, the removable connection facilitates replacement and repair of portions of second mold core 212.
According to some preferred embodiments of the present utility model, as shown in fig. 5 and 6, a vertical chute 1202 extending vertically is formed in the horizontal chute 1201, and the sliding assembly 20 further includes a pushing member 22, a limiting member 23 and an elastic member 24.
The pusher 22 is connected to an end of the second mold core 212 remote from the cavity 101. The limiting piece 23 is vertically slidably disposed in the vertical chute 1202 and is located below the pushing piece 22, an pushing inclined plane 2301 is formed on the upper surface of the limiting piece 23, and the pushing inclined plane 2301 extends from bottom to top in a direction away from the cavity 101. When in the first demolding state, the limiting piece 23 vertically extends out of the vertical sliding groove 1202 and abuts against the first mold core 211, so that the first mold core 211 is limited to slide away from the cavity 101, when the second mold core 212 starts to slide away from the cavity 101, the first mold core 211 is enabled to be stationary, and the pushing piece 22 slides along with the second mold core 212 to push the limiting piece 23 to slide downwards. When in the second demolding state, the limiting piece 23 vertically contracts in the vertical sliding groove 1202 to be no longer abutted against the first mold core 211, so that the first mold core 211 is no longer limited to slide, and the first mold core 211 can slide along with the second mold core 212 to be separated from the cavity 101. The elastic piece 24 is arranged between the limiting piece 23 and the vertical sliding groove 1202 and is used for driving the limiting piece 23 to reset. The arrangement can ensure that the second mold core 212 slides out of the initial stage of the cavity 101, the first mold core 211 can stably keep a static posture under the limiting action of the limiting piece 23, and after the mold core part 21 slides into the cavity 101 again, the elastic piece 24 drives the limiting piece 23 to reset again, so that the limiting piece 23 can limit the first mold core 211 again in the next demolding process.
According to some preferred embodiments of the present utility model, as shown in fig. 6, the elastic member 24 includes a plurality of springs, and a plurality of the springs are vertically compressively disposed between the bottom wall of the vertical sliding slot 1202 and the lower surface of the stopper 23. In this way, when the core member 21 slides away from the cavity 101, the plurality of springs are compressed between the bottom wall of the vertical chute 1202 and the lower surface of the limiting member 23 due to the downward sliding of the limiting member 23, after the core member 21 slides back into the cavity 101, the elastic member 24 drives the limiting member 23 to reset, so that the limiting member 23 resets by sliding upward, and abuts against an end portion of the first core 211 away from the cavity 101 again, so that the limiting member 23 can limit the first core 211 again in the next demolding process, which is also beneficial to ensuring the stability of the first core 211 when the mold 100 forms a product.
According to some preferred embodiments of the present utility model, as shown in fig. 6, the inner wall of the vertical chute 1202 is provided with at least one vertical guide rail 122 extending vertically, and the limiting member 23 forms at least one vertical guide groove 2302 adapted to slidingly engage with the vertical guide rail 122. In this way, the vertical guide groove 2302 cooperates with the vertical guide rail 122 to guide the stop 23 to move stably along the vertical direction all the time.
According to some preferred embodiments of the present utility model, as shown in fig. 2, the die holder assembly 10 further includes a first die core 13 and a second die core 14, the first die core 13 and the second die core 14 are disposed between the stationary die holder 12 and the movable die holder 11, the first die core 13 and the second die core 14 are abutted, and the cavity 101 is formed between abutting surfaces of the first die core 13 and the second die core 14. The first die core 13 and the second die core 14 are smaller in size, high in machining precision requirement, convenient to move and carry, and beneficial to machining the products with high quality.
According to some preferred embodiments of the present utility model, as shown in fig. 1 and 2, the sliding assembly 20 further includes a driving member 25, where the driving member 25 is connected to an end portion of the second mold core 212 away from the cavity 101, for driving the second mold core 212 to slide reciprocally in an axial direction, so that the second mold core 212 can slide into the cavity 101 or slide out of the cavity 101. This arrangement can improve the degree of automation of the demolding of the mold 100 and improve the demolding efficiency of the mold 100.
Specifically, the driving member is configured as a driving cylinder, and the driving cylinder is connected to the second mold core 212, so as to drive the second mold core 212 to slide reciprocally along the axial direction.
It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The advantages of the present utility model have been fully and effectively realized. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.
Claims (10)
1. Easy-to-demold mold, characterized by comprising:
the die holder assembly comprises a movable die holder and a static die holder, a die cavity is formed between the movable die holder and the static die holder, and the static die holder is provided with a horizontal chute positioned at one side of the die cavity; and
the sliding assembly comprises a mold core part, wherein the mold core part is assembled in the horizontal chute in a sliding way and can extend into the cavity in a sliding way to be matched with the cavity for molding a product, the mold core part comprises a first mold core and a second mold core, a through passage penetrating axially is formed in the first mold core, two linkage parts are formed on the inner peripheral wall of the first mold core at intervals along the axial direction, the second mold core can be arranged in the through passage in a sliding way along the axial direction, a pushing part is formed on the outer peripheral wall of the second mold core, and the pushing part is positioned between the two linkage parts and is opposite to the linkage parts along the axial direction; the mold core part is in a first demolding state and a second demolding state when being demolded, the mold core part is separated from the cavity along with the sliding of the second mold core in the first demolding state, and the pushing part slides to be close to the linkage part far away from the cavity while the first mold core is motionless; when the first mold core is in the first demolding state, the first mold core slides along with the first mold core to be separated from the cavity, and the pushing part is in contact with the linkage part which is far away from the cavity, so that the first mold core slides along with the first mold core to be separated from the cavity.
2. The easy-to-release mold according to claim 1, wherein the first core inner peripheral wall is provided with an axial guide rail extending in the axial direction, and the second core outer peripheral wall is provided with an axial guide groove slidably fitted with the axial guide rail.
3. The easy-to-demold mold of claim 1, wherein the horizontal runner defines a vertical runner therein that extends vertically, the slide assembly further comprising:
the pushing piece is connected with one end part of the second mold core, which is far away from the cavity;
the limiting piece is vertically arranged in the vertical sliding groove in a sliding manner and is positioned below the pushing piece, the upper surface of the limiting piece forms a pushing inclined surface, and the pushing inclined surface extends from bottom to top along the direction away from the cavity; when the mold is in the first demolding state, the limiting piece vertically extends out of the vertical sliding groove and is abutted against one end part of the first mold core, which is far away from the cavity, so as to limit the first mold core to slide and separate from the cavity, and the pushing piece slides along with the second mold core to separate from the cavity so as to push the limiting piece to slide downwards; when the mold is in the second demolding state, the limiting piece vertically contracts in the vertical sliding groove and is not in abutting connection with the first mold core any more, so that the first mold core can slide along with the second mold core to slide and separate from the cavity; and
and the elastic piece is arranged between the limiting piece and the vertical sliding groove and used for driving the limiting piece to reset.
4. A mold easy to release according to claim 3, wherein the elastic member includes a plurality of springs, a plurality of the springs being vertically compressively disposed between the vertical chute bottom wall and the stopper lower surface.
5. A mould according to claim 3, wherein the inner wall of the vertical chute is provided with at least one vertical guide rail extending vertically, and the limiting member forms at least one vertical guide groove adapted to slidably engage with the vertical guide rail.
6. The easy-to-demold mold according to claim 1, wherein the second mold core comprises a link block and an inner cavity forming block, the link block is slidably disposed in the through passage, the link block outer peripheral wall forms the pushing portion, and the inner cavity forming block is detachably connected to the link block and is adapted to slidably extend into the cavity to form an inner cavity of a product in cooperation with the cavity.
7. The easy-to-demold mold according to claim 1, wherein the stationary mold base is provided with two horizontal slide rails arranged at intervals, the horizontal slide rails are formed therebetween, and the first mold core is slidably disposed between the two horizontal slide rails.
8. The easy-to-demold mold of claim 7, wherein the inner sides of both of the horizontal slide rails each form a horizontal guide channel, the first mold core comprises a first mold core piece and a second mold core piece, the first mold core piece is slidably disposed in the horizontal guide channel, the second mold core piece is disposed in a spliced manner opposite to the first mold core piece, the first mold core piece and the second mold core piece are formed with the through channel and the linkage, and an end of the second mold core piece remote from the first mold core piece is adapted to slidably extend into the cavity to form an end surface of the product in cooperation with the cavity.
9. The easy-to-demold mold of claim 1, wherein the mold base assembly further comprises a first mold core and a second mold core, the first mold core and the second mold core are disposed between the stationary mold base and the movable mold base, the first mold core and the second mold core are in butt joint, and the cavity is formed between the butt joint surfaces of the first mold core and the second mold core.
10. The easy-to-release mold of claim 1, wherein the slide assembly further comprises a drive member coupled to an end of the second mold core remote from the cavity for driving the second mold core to slide into or out of the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320584070.0U CN219360021U (en) | 2023-03-23 | 2023-03-23 | Mould easy to demould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320584070.0U CN219360021U (en) | 2023-03-23 | 2023-03-23 | Mould easy to demould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219360021U true CN219360021U (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320584070.0U Active CN219360021U (en) | 2023-03-23 | 2023-03-23 | Mould easy to demould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219360021U (en) |
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2023
- 2023-03-23 CN CN202320584070.0U patent/CN219360021U/en active Active
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