CN215921186U - Injection mold for product with inner buckle on upper mold - Google Patents
Injection mold for product with inner buckle on upper mold Download PDFInfo
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- CN215921186U CN215921186U CN202121473598.8U CN202121473598U CN215921186U CN 215921186 U CN215921186 U CN 215921186U CN 202121473598 U CN202121473598 U CN 202121473598U CN 215921186 U CN215921186 U CN 215921186U
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Abstract
According to the injection mold for the product with the inner buckle on the upper mold, the fixed upper mold insert is additionally arranged on the upper mold fixing plate, the forming tripping module capable of obliquely sliding relative to the upper mold insert is arranged on the upper mold insert, so that the upper mold fixing plate and the plate A can be separated, the limiting bolt is additionally arranged to limit the maximum separation distance between the plate A and the upper mold fixing plate, the forming tripping module can be separated from the product in advance before the plate A and the plate B are separated, a movement space is reserved for the subsequent process of the product, and the plate A and the plate B can be separated in time after tripping. The utility model has the advantages of simple integral structure, ingenious design, reduced cost, capability of avoiding the product from being damaged by pulling when the A plate and the B plate are directly separated, prolonged service life of the die, and improved production efficiency and product yield.
Description
Technical Field
The utility model belongs to the technical field of complex molds, and particularly relates to an injection mold for a product with an upper mold provided with an inner buckle.
Background
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. The injection molding processing method has the characteristics of low molding cost, short molding period, simple molding process, easiness in molding of plastic products with complex shapes and the like, so that the injection molding processing method is widely applied to the field of plastic products.
Injection moulding product is various and complicated, and to the plastic products of some internal designs have the buckle, carries out the dropout through the design top structure to one side in general mould, but the top dropout is generally just conveniently carried out after A board and B board separation to one side, and the inside buckle of going up the mould needs to be tripped in advance before A board and B board separation for some, reserves the space of motion for the product, and the product is hindered to easy the strain when otherwise A board and B board separation.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problem, the utility model provides an injection mold for a product with an inner buckle on an upper mold, which is used for solving the problem that the buckle at the upper mold in the product is difficult to realize early tripping, so that the product is pulled when an A plate and a B plate are separated.
An injection mold for a product with an upper mold provided with an inner buckle comprises an upper mold component and a lower mold component, wherein the lower mold component is separated from the upper mold component along a first direction when the mold is opened, the lower mold component comprises a B plate and a lower mold core, the lower mold core is embedded in the B plate, the upper mold component comprises an upper mold fixing plate, an A plate, an upper mold core, a limiting bolt, an upper mold insert and a forming tripping module, a limiting stepped hole is formed in the upper mold fixing plate, the upper mold core is embedded in the A plate, a screw rod of the limiting bolt is fixed in the A plate, the head of the limiting bolt is movably arranged in a hole with a larger diameter in the limiting stepped hole along the first direction and used for limiting the maximum separation distance between the upper mold fixing plate and the A plate, the upper mold insert movably penetrates through the A plate and the upper mold core along the first direction, an inclined guide groove is formed in a tripping side at the other end, the forming tripping module is slidably hung on the inclined guide groove, the upper die core and the lower die core are matched to form an injection molding cavity, the upper die fixing plate is tightly attached to the plate A after die assembly, the upper die fixing plate is separated from the plate A before the plate B during die opening, and the forming tripping module slides along the inclined guide groove and is separated from a product buckling position when the upper die fixing plate is separated from the plate A.
Optionally, four limiting bolts are arranged and are respectively and uniformly distributed between the upper die fixing plate and the A plate.
Optionally, the limiting bolt is detachably fixed in the plate a.
Optionally, the upper die assembly further comprises a floating spring, the floating spring is arranged between the upper die fixing plate and the plate a, and the floating spring is in a compressed state before the upper die fixing plate and the plate a are separated.
Preferably, four floating springs are provided and are uniformly distributed between the upper die fixing plate and the A plate respectively.
Optionally, an insert hole is formed in one side, close to the plate a, of the upper die fixing plate, the insert hole is a blind hole, and one end of the upper die insert is fixed in the insert hole.
Preferably, one end of the upper die insert is detachably fixed in the upper die fixing plate by a fixing bolt.
Preferably, the cross section of the fixed end of the upper die insert is oval.
Optionally, the lower die assembly further comprises a nylon mold locker fixed on the surface of the B plate, the nylon mold locker is arranged between the A plate and the B plate, and the nylon mold locker is inserted into the A plate during mold closing.
Optionally, the nylon mode locker is equipped with a plurality ofly, sets up respectively evenly on the B board surface.
Compared with the prior art, the injection mold for the product with the inner buckle on the upper mold is characterized in that the upper mold insert which is fixed and the forming tripping module which can obliquely slide relative to the upper mold insert are additionally arranged on the upper mold fixing plate, and the limiting bolt is additionally arranged between the upper mold fixing plate and the plate A to limit the maximum separation distance between the plate A and the upper mold fixing plate, so that the forming tripping module can be separated from the product in advance before the plate A is separated from the plate B, a movement space is reserved for the subsequent process of the product, the product is prevented from being damaged by pulling when the plate A is directly separated from the plate B, the whole structure is simple, the design is ingenious, the cost is reduced, the service life of the mold is prolonged, and the production efficiency and the product yield are improved.
Drawings
FIG. 1 is a schematic structural diagram of an injection mold for a product with an inside buckle on an upper mold according to an embodiment of the present invention;
FIG. 2 is an enlarged view of an injection mold for a product with an inside buckle on the upper mold, according to an embodiment of the present invention, at position A;
fig. 3 is a schematic diagram of the cooperation of an upper mold insert and a mold release module in an injection mold for a product with a snap-in upper mold according to an embodiment of the present invention.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention.
Referring to fig. 1 and 2, an injection mold 100 for a product with an inside-out product on an upper mold includes an upper mold component 1 and a lower mold component 2, wherein the lower mold component 2 is separated from the upper mold component 1 along a first direction X when the mold is opened.
The lower die assembly 2 comprises a B plate 21 and a lower die core 22, and the lower die core 22 is embedded in the B plate 21.
The upper die assembly 1 comprises an upper die fixing plate 10, an A plate 11, an upper die core 12, a limiting bolt 13, an upper die insert 14 and a forming tripping module 15, wherein a limiting stepped hole 101 is formed in the upper die fixing plate 10, the limiting stepped hole 101 is divided into an upper part and a lower part as shown in fig. 1, the hole on the upper part is larger in diameter relative to the hole on the lower part, the hole on the upper part is a hole with a larger diameter, and the hole on the lower part is a hole with a smaller diameter and is used for being matched with and limiting the displacement of the limiting bolt 13. Go up mould benevolence 12 embedded in A board 11, the screw rod of spacing bolt 13 is fixed in A board 11, and the head of spacing bolt 13 is along the great downthehole of the movably setting of first direction X diameter in spacing shoulder hole 101 for the biggest separation distance between restriction punch plate 10 and the A board 11 can guarantee the timely separation of A board 11 and B board 21 after the dropout, saves the die sinking space. The upper mold insert 14 is movably inserted into the a plate 11 and the upper mold core 12 along the first direction X, one end of the upper mold insert 14 is fixed in the upper mold fixing plate 10, the releasing side of the other end is provided with an inclined guide groove 141, the forming releasing module 15 is slidably hung on the inclined guide groove 141 and is used for being matched with the upper mold core 12 and the lower mold core 22 to form an injection molding cavity, such inclined guide groove 141 can provide power far away from a product for the forming releasing module 15, and the other end of the separated upper mold insert 14 is inclined inwards, so that a moving space is left for the forming releasing module 15. The upper die fixing plate 10 is tightly attached to the plate A11 after die assembly, the upper die fixing plate 10 is separated from the plate A11 before the plate B21 during die opening, and the forming tripping module 15 slides obliquely along the upper die insert 14 to be separated from a product tripping position when the upper die fixing plate 10 is separated from the plate A.
Optionally, four limiting bolts 13 are provided and are respectively and uniformly distributed between the upper die fixing plate 10 and the a plate 11. This makes it possible to further stabilize the separation of the upper mold fixing plate 10 and the a plate 11.
Optionally, the stop bolt 13 is removably secured within the a-plate 11. Thus, the maintenance of the limiting bolt 13 is facilitated, and the accuracy of the maximum separation distance is better ensured.
Optionally, the upper die assembly 1 further includes a floating spring 16, the floating spring 16 is disposed between the upper die fixing plate 10 and the a plate 11, and before the upper die fixing plate 10 and the a plate 11 are separated, the floating spring 16 is in a compressed state. The floating spring 16 in a compressed state can better ensure that the upper die fixing plate 10 and the A plate 11 are separated in advance.
Preferably, four floating springs 16 are provided, and are uniformly distributed between the upper mold fixing plate 10 and the a plate 11, respectively. Therefore, the upper die fixing plate 10 and the A plate 11 are stressed more evenly and are more stable during separation.
Optionally, an insert hole 102 is formed in one side of the upper mold fixing plate 10 close to the a plate 11, the insert hole 102 is a blind hole, and one end of the upper mold insert 14 is fixed in the insert hole 102. The arrangement can stably fix the upper die insert 14 and save the arrangement space.
Preferably, one end of the upper mold insert 14 is detachably fixed in the upper mold fixing plate 10 by a fixing bolt. This arrangement facilitates maintenance of the upper mold insert 14.
Preferably, the fixed end of the upper mold insert 14 has an elliptical cross-section. This arrangement effectively prevents the upper mold insert 14 from rotating.
Optionally, the lower mold assembly 2 further includes a nylon mold locker 23 fixed on the surface of the B plate 21, the nylon mold locker is disposed between the a plate 11 and the B plate 21, and the nylon mold locker is inserted into the a plate 11 during mold closing. This arrangement increases the resistance to separation between the a and B plates 11, 21, and facilitates better control of the sequence of separation of the plates during mold opening.
Optionally, a plurality of nylon mold locks are provided, and are respectively and uniformly arranged on the surface of the B plate 21. This arrangement makes it possible to more equalize the separation resistance everywhere between the a plate 11 and the B plate 21, and the separation process is more stable.
The upper die tripping process of the embodiment of the utility model is as follows:
after the injection molding of the mold 100 is completed, the a plate 11 and the upper mold core 12 are separated from the upper mold fixing plate 10 along the first direction X under the driving of the lower mold assembly 2, at this time, the upper mold insert 14 is fixed on the upper mold fixing plate 10, so that the upper mold insert 14 is fixed, the forming tripping module 15 moves along the inclined guide groove 141 on the upper mold insert 14 under the driving of the product until the forming tripping module 15 leaves the product, so that a movement space can be reserved for the subsequent process of the product, when the head of the limit bolt 13 abuts against the end face of the hole with the smaller diameter in the limit stepped hole 101, the upper mold fixing plate 10 and the a plate 11 are at the maximum separation distance, at this time, the a plate 11 stops moving along the first direction X under the limit action of the limit bolt 13, and at this time, the B plate 21 starts to separate from the a plate 11.
According to the injection mold for the product with the inner buckle on the upper mold, the fixed upper mold insert and the forming tripping module which can slide obliquely relative to the upper mold insert are additionally arranged on the upper mold fixing plate, and the limiting bolt is additionally arranged between the upper mold fixing plate and the plate A to limit the maximum separation distance between the plate A and the upper mold fixing plate, so that the forming tripping module can be separated from the product in advance before the plate A is separated from the plate B, a movement space is reserved for the subsequent process of the product, the product is prevented from being damaged by pulling when the plate A is directly separated from the plate B, the whole structure is simplified, the design is ingenious, the cost is reduced, the service life of the mold is prolonged, and the production efficiency and the product yield are improved.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the utility model. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (10)
1. An injection mold for a product having an inside-out top mold, the mold comprising a top mold assembly and a bottom mold assembly, the bottom mold assembly moving away from the top mold assembly in a first direction when the mold is opened;
the lower die assembly comprises a plate B and a lower die core, and the lower die core is embedded in the plate B;
the upper die assembly comprises an upper die fixing plate, a plate A, an upper die core, a limiting bolt, an upper die insert and a forming tripping module, wherein a limiting stepped hole is formed in the upper die fixing plate, the upper die core is embedded in the plate A, a screw rod of the limiting bolt is fixed in the plate A, the head of the limiting bolt is movably arranged in a hole with a larger diameter in the limiting stepped hole along the first direction and is used for limiting the maximum separation distance between the upper die fixing plate and the plate A, the upper die insert is movably arranged in the plate A and the upper die core along the first direction in a penetrating manner, one end of the upper die insert is fixed in the upper die fixing plate, a tripping side at the other end of the upper die insert is provided with an inclined guide groove, the forming tripping module is slidably hung on the inclined guide groove and is used for matching the upper die core and the lower die core to form an injection molding cavity, and the upper die fixing plate is tightly attached to the plate A after die assembly, the upper die fixing plate is separated from the plate A before the plate B when the die is opened, and the forming tripping module slides along the inclined guide groove and is separated from a product buckling position when the upper die fixing plate is separated from the plate A.
2. The injection mold for products with inside buckles according to claim 1, wherein four of the limit bolts are uniformly distributed between the upper mold fixing plate and the A plate.
3. The injection mold for molding a product with an inside buckle as claimed in claim 1, wherein the stopper bolt is detachably fixed in the a plate.
4. The injection mold for molding a product with an inside button as claimed in claim 1, wherein the upper mold assembly further comprises a floating spring disposed between the upper mold fixing plate and the a plate, the floating spring being in a compressed state before the upper mold fixing plate and the a plate are separated.
5. The injection mold for products with inside-out on top mold according to claim 4, wherein there are four floating springs uniformly distributed between the top mold fixing plate and the A plate.
6. The injection mold for products with a snap-in upper mold as claimed in claim 1, wherein the upper mold fixing plate has an insert hole formed at a side thereof adjacent to the a plate, the insert hole being a blind hole, and an end of the upper mold insert is fixed in the insert hole.
7. The injection mold for a product with an upper mold having an inside buckle according to claim 6, wherein one end of the upper mold insert is detachably fixed in the upper mold fixing plate by a fixing bolt.
8. The injection mold for a product with an upper mold having an inside buckle according to claim 7, wherein the cross section of the fixed end of the upper mold insert is elliptical.
9. The injection mold for molding a product having an inside-out structure as claimed in claim 1, wherein said lower mold assembly further comprises a nylon clamp fixed to a surface of said B plate, said nylon clamp being disposed between said a plate and said B plate, said nylon clamp being inserted into said a plate when said a plate is closed.
10. The injection mold for molding a product with an inside buckle according to claim 1, wherein the nylon locker is provided in plurality and uniformly disposed on the surface of the B plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121473598.8U CN215921186U (en) | 2021-06-30 | 2021-06-30 | Injection mold for product with inner buckle on upper mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121473598.8U CN215921186U (en) | 2021-06-30 | 2021-06-30 | Injection mold for product with inner buckle on upper mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215921186U true CN215921186U (en) | 2022-03-01 |
Family
ID=80399627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121473598.8U Active CN215921186U (en) | 2021-06-30 | 2021-06-30 | Injection mold for product with inner buckle on upper mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215921186U (en) |
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2021
- 2021-06-30 CN CN202121473598.8U patent/CN215921186U/en active Active
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