CN215550638U - Injection mold demoulding mechanism for product with complex structure - Google Patents
Injection mold demoulding mechanism for product with complex structure Download PDFInfo
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- CN215550638U CN215550638U CN202120756186.9U CN202120756186U CN215550638U CN 215550638 U CN215550638 U CN 215550638U CN 202120756186 U CN202120756186 U CN 202120756186U CN 215550638 U CN215550638 U CN 215550638U
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Abstract
The utility model discloses a demoulding mechanism of an injection mould of a complex structure product, which comprises a fixed mould fixing plate, a movable mould fixing plate and a bottom plate which are sequentially arranged from top to bottom, wherein an upper mounting plate is fixedly connected below the fixed mould fixing plate, an upper mould is fixedly arranged below the upper mounting plate, a lower mounting plate is fixedly arranged on the movable mould fixing plate, a supporting plate is fixedly arranged on the lower mounting plate, a lower mould backing plate is fixedly arranged on the supporting plate, a lower mould is fixedly arranged above the lower mould backing plate, a male mould is arranged in the lower mould, a mould cavity is formed among the upper mould, the lower mould and the male mould, a sliding shaft is arranged on the lower mounting plate, the top end of the sliding shaft is contacted with the lower mould backing plate, a push plate is connected on the sliding shaft in a sliding manner, a first push rod, a second push rod and a third push rod are fixedly arranged on the push plate, and the first push rod and the second push rod can push a workpiece away from the male mould, the demoulding of the workpiece is completed, the deformation of the workpiece is avoided, and the quality is improved.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a demolding mechanism of an injection mold for a product with a complex structure.
Background
The injection molding method has the advantages of high production speed, high efficiency, automatic operation, various colors, various shapes, small sizes, precise sizes of products, easy replacement of products, capability of forming products with complex shapes, suitability for the fields of mass production, forming and processing of products with complex shapes and the like.
In the prior art, the mold is not easy to release in the molding process of a complex plate, and a molded workpiece is easy to deform when being released from the mold, so that the product quality is influenced, and therefore, a complex-structure product injection mold release mechanism is necessary to be designed to solve the technical problems
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model relates to a demoulding mechanism of an injection mould of a product with a complex structure, which has a simple and reliable structure, effectively solves the technical problems, is suitable for popularization and application, and is realized by the following technical scheme:
the utility model provides a complicated structure product injection mold demoulding mechanism, includes cover half fixed plate, movable mould fixed plate, the bottom plate that from top to bottom sets gradually, link to each other through the guide arm between cover half fixed plate and the bottom plate, movable mould fixed plate sliding connection is on the guide arm, the below of cover half fixed plate has linked firmly the mounting panel, the below fixed mounting of going up the mounting panel has last mould, fixed mounting has lower mounting panel on the movable mould fixed plate, fixed mounting has the backup pad down on the mounting panel, fixed mounting has the lower mould backing plate in the backup pad, the top fixed mounting of lower mould backing plate has the lower mould, install the terrace die in the lower mould, form the die cavity between last mould, lower mould, the last slide shaft that installs of lower mounting panel, the top and the contact of lower mould backing plate of slide shaft, sliding connection has the push pedal on the slide shaft, fixed mounting has first push rod, a, The upper portion of the first push rod is located in an inner hole of the male die, the second push rod is located in the middle of the push plate, the third push rod is located on the other side opposite to the first push rod, the middle of the base is provided with an ejector rod, and the lower mounting plate is provided with a through hole for the ejector rod to penetrate through.
On the basis of the above scheme and as a preferable scheme of the scheme: the mounting structure is characterized by further comprising a screw fixedly arranged on one side of the lower mounting plate, and the lower mounting plate, the supporting plate, the lower die base plate and the lower die are fixedly connected through the screw.
On the basis of the above scheme and as a preferable scheme of the scheme: and a cushion block is arranged between the push plate and the lower mounting plate.
On the basis of the above scheme and as a preferable scheme of the scheme: the bottom of sliding shaft is equipped with the screw thread head, be equipped with down on the mounting panel with screw thread head assorted screw hole, the sliding shaft passes through threaded connection's mode to be fixed on mounting panel down.
On the basis of the above scheme and as a preferable scheme of the scheme: and one side of the lower die is fixedly provided with a guide shaft, and the upper die is provided with a positioning hole corresponding to the guide shaft.
On the basis of the above scheme and as a preferable scheme of the scheme: the push plate is internally provided with a sliding shaft sleeve, and the push plate is connected with the sliding shaft through the sliding shaft sleeve.
On the basis of the above scheme and as a preferable scheme of the scheme: the top of the first push rod is in an inverted convex shape.
On the basis of the above scheme and as a preferable scheme of the scheme: and a base plate is arranged at the top of the third push rod and is connected with the base plate through an elastic element.
Compared with the prior art, the utility model has the outstanding and beneficial technical effects that: the first push rod and the second push rod can push the workpiece away from the male die, demolding of the workpiece is completed, the workpiece is pushed away synchronously through the two push rods to achieve even stress, deformation of the workpiece is avoided, machining quality of a final finished product of the workpiece is improved, when the movable die fixing plate moves upwards and resets, the first push rod, the third push rod and the second push rod can sequentially collide with the upper die to push the push plate back to the original position, pressure of the first push rod is shared through the third push rod, and the service life of the die can be prolonged through a multi-push-rod segmented force application structure.
Drawings
FIG. 1 is a schematic view of the mold after closing;
FIG. 2 is a schematic diagram after separation;
FIG. 3 is a schematic drawing of the mold release;
fig. 4 is a schematic view of a shim plate.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, however, the specific embodiments and embodiments described below are only for illustrative purposes and are not intended to limit the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the directions or positional relationships shown in fig. 1, are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
As shown in fig. 1-3, the utility model relates to a demolding mechanism for an injection mold of a product with a complex structure, which specifically comprises a fixed mold fixing plate 1, a movable mold fixing plate 2 and a bottom plate 3 which are sequentially arranged from top to bottom, wherein the fixed mold fixing plate 1 and the bottom plate 3 are connected through four guide rods 4 which are arranged at four corners in pairwise symmetry, the movable mold fixing plate 2 is connected on the guide rods 4 in a sliding manner, the movable mold fixing plate 2 is connected with a driving device (not shown in the figure), an upper mounting plate 5 is fixedly connected below the fixed mold fixing plate 1, an upper mold 6 is fixedly arranged below the upper mounting plate 5, a lower mounting plate 7 is fixedly arranged on the movable mold fixing plate 2, a support plate 8 is fixedly arranged on the lower mounting plate 7, a lower mold backing plate 10 is fixedly arranged on the support plate 8, a lower mold 10 is fixedly arranged above the lower mold backing plate 9, and a male mold 11 is arranged in the lower mold 10, when last mould 6 and lower mould 10 laminating, form the die cavity between last mould 6, lower mould 10, the terrace die 11, install sliding shaft 12 down on the mounting panel 7, the top and the 10 backing plate 9 contact of lower mould of sliding shaft 12, sliding connection has push pedal 13 on the sliding shaft 12, fixed mounting has first push rod 14, second push rod 15, third push rod 16 on the push pedal 13, the upper portion of first push rod 14 is located the hole of terrace die 11, second push rod 15 is located the middle part of push pedal 13, third push rod 16 is located the opposite side relative with first push rod 14, the middle part of bottom plate is equipped with ejector pin 26, mounting panel 7 is equipped with the through-hole 17 that supplies ejector pin 26 to pass down.
Further preferred in this embodiment, still include the screw rod 18 that sets firmly in lower mounting panel 7 one side, through screw rod 18 fixed connection between lower mounting panel 7, backup pad 8, lower mould 10 backing plate 9, the lower mould 10, the mode dismouting that screw rod 18 connects is comparatively convenient, connects comparatively stably.
In this embodiment, it is further preferable that a cushion block 19 is disposed between the push plate 13 and the lower mounting plate 7.
In this embodiment, it is further preferable that a threaded head 20 is disposed at the bottom end of the sliding shaft 12, a threaded hole matched with the threaded head 20 is disposed on the lower mounting plate 7, and the sliding shaft 12 is fixed on the lower mounting plate 7 in a threaded connection manner, so as to facilitate assembly.
In this embodiment, it is further preferable that a guide shaft 21 is fixedly provided at one side of the lower mold 10, the upper mold 6 is provided with a positioning hole 22 corresponding to the wire guide shaft, and a top end of the guide shaft 21 has a guide slope, so that the guide shaft 21 is first inserted into the positioning hole 22 when the upper mold 6 and the lower mold 10 are closed, thereby ensuring accurate positioning.
In this embodiment, it is further preferable that a sliding shaft sleeve 23 is disposed in the push plate 13, the push plate 13 is connected to the sliding shaft 12 through the sliding shaft sleeve 23, and the arrangement of the sliding shaft sleeve 23 can ensure that the friction resistance is reduced and the sliding is stable and reliable.
In this embodiment, it is further preferable that the top of the first push rod 14 is of an inverted convex shape, so that the contact area between the first push rod and the workpiece during demolding is increased, the contact area between the first push rod and the upper die 6 during resetting is also increased, and the workpiece and the die are prevented from being pressed, damaged and deformed during contact.
Example two
In this embodiment, it is further preferable that, as shown in fig. 4, a backing plate 24 is disposed on a top of the third pushing rod 16, the backing plate is connected to the backing plate through an elastic element 25, the backing plate can increase a contact area between the third pushing rod 16 and the upper die 6, and the elastic element 25 of the backing plate can play a role in buffering, so as to further protect the die from being damaged by pressure.
The specific working principle is as follows: firstly, as shown in fig. 1, during injection molding, a nozzle is injected from an upper alignment mold cavity, at this time, the upper surface of a first push rod 14 is flush with the upper surface of a punch 11, a second push rod 15 is lower than the upper surface of a lower mold 10, the top end of a third push rod 16 is in contact with the lower mold 10, as shown in fig. 2, when a movable mold fixing plate 2 is driven to move downwards, a workpiece is sleeved on the punch 11, as shown in fig. 3, when a push rod passes through a through hole 17 and is in contact with the push plate 13, the push plate 13 is pushed upwards, so that the first push rod 14, the third push rod 16 and the second push rod 15 are pushed out from the lower mold 10, the first push rod 14 and the second push rod 15 push the workpiece away from the punch 11, demolding of the workpiece is completed, the two push rods synchronously push away from the workpiece, so as to realize uniform stress, deformation of the workpiece is avoided, the processing quality of the workpiece is improved, when the movable mold fixing plate 2 moves upwards and resets, the first push rod 14, the third push rod 16 and the second push rod 15 sequentially abut against the upper mold 6, so as to push the push back the push plate 13 to the original position, the third push rod 16 shares the pressure of the first push rod 14, and the multi-push-rod segmented force application structure can prolong the service life of the die.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes in structure, shape and principle of the utility model should be covered by the protection scope of the utility model.
Claims (8)
1. The utility model provides a complicated structure product injection mold demoulding mechanism which characterized in that: comprises a fixed die fixing plate, a movable die fixing plate and a bottom plate which are sequentially arranged from top to bottom, the fixed die fixing plate is connected with the bottom plate through a guide rod, the movable die fixing plate is connected on the guide rod in a sliding way, an upper mounting plate is fixedly connected below the fixed die fixing plate, an upper die is fixedly mounted below the upper mounting plate, a lower mounting plate is fixedly mounted on the movable die fixing plate, a supporting plate is fixedly mounted on the lower mounting plate, a lower die base plate is fixedly mounted on the supporting plate, a lower die is fixedly mounted above the lower die base plate, a male die is mounted in the lower die, a die cavity is formed between the upper die, the lower die and the male die, a sliding shaft is mounted on the lower mounting plate, the top end of the sliding shaft is contacted with the lower die base plate, a push plate is slidably connected on the sliding shaft, and a first push rod, a second push rod and a third push rod are fixedly mounted on the push plate, the upper portion of the first push rod is located in an inner hole of the male die, the second push rod is located in the middle of the push plate, the third push rod is located on the other side opposite to the first push rod, the middle of the bottom plate is provided with an ejector rod, and the lower mounting plate is provided with a through hole for the ejector rod to penetrate through.
2. The demolding mechanism of the injection mold of the product with the complex structure according to claim 1, wherein: the mounting structure is characterized by further comprising a screw fixedly arranged on one side of the lower mounting plate, and the lower mounting plate, the supporting plate, the lower die base plate and the lower die are fixedly connected through the screw.
3. The demolding mechanism of the injection mold of the product with the complex structure according to claim 1, wherein: and a cushion block is arranged between the push plate and the lower mounting plate.
4. The demolding mechanism of the injection mold of the product with the complex structure according to claim 1, wherein: the bottom of sliding shaft is equipped with the screw thread head, be equipped with down on the mounting panel with screw thread head assorted screw hole, the sliding shaft passes through threaded connection's mode to be fixed on mounting panel down.
5. The demolding mechanism of the injection mold of the product with the complex structure according to claim 1, wherein: and one side of the lower die is fixedly provided with a guide shaft, and the upper die is provided with a positioning hole corresponding to the guide shaft.
6. The demolding mechanism of the injection mold of the product with the complex structure according to claim 1, wherein: the push plate is internally provided with a sliding shaft sleeve, and the push plate is connected with the sliding shaft through the sliding shaft sleeve.
7. The demolding mechanism of the injection mold of the product with the complex structure according to claim 1, wherein: the top of the first push rod is in an inverted convex shape.
8. The demolding mechanism of the injection mold of the product with the complex structure according to claim 1, wherein: and a base plate is arranged at the top of the third push rod and is connected with the base plate through an elastic element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120756186.9U CN215550638U (en) | 2021-04-12 | 2021-04-12 | Injection mold demoulding mechanism for product with complex structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120756186.9U CN215550638U (en) | 2021-04-12 | 2021-04-12 | Injection mold demoulding mechanism for product with complex structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215550638U true CN215550638U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120756186.9U Active CN215550638U (en) | 2021-04-12 | 2021-04-12 | Injection mold demoulding mechanism for product with complex structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215550638U (en) |
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2021
- 2021-04-12 CN CN202120756186.9U patent/CN215550638U/en active Active
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