CN210552791U - Injection mold mechanism for realizing multi-position bidirectional core pulling - Google Patents
Injection mold mechanism for realizing multi-position bidirectional core pulling Download PDFInfo
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- CN210552791U CN210552791U CN201921450569.2U CN201921450569U CN210552791U CN 210552791 U CN210552791 U CN 210552791U CN 201921450569 U CN201921450569 U CN 201921450569U CN 210552791 U CN210552791 U CN 210552791U
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Abstract
The utility model discloses a realize multi-position bidirectional's injection mold mechanism of loosing core, include: the B plate, the C plate, the mounting plate and the base are sequentially arranged from top to bottom; the B plate is provided with a rear mold core for constructing a mold cavity, and a product is injected and molded in the mold cavity; the C plate is provided with an internal drawing system for completing the core-pulling and demoulding operation of the product; the mounting plate is provided with more than one spring mounting groove, each spring mounting groove is internally provided with a spring part, and an elastic force is formed between the plate B and the plate C and used for driving the plate B to be separated from the plate C. The utility model discloses a take out the structure in design shaping mold insert constitutes on the forked tail mold insert for the line position and the top of one side mutual noninterference under the circumstances of guaranteeing the smooth drawing of patterns of mould, simplified the mold design, the drawing of patterns of loosing core of the product of being convenient for is handled, improves drawing of patterns efficiency.
Description
Technical Field
The utility model relates to an injection mold technical field of loosing core especially relates to an injection mold mechanism that realizes multiposition bi-directional loosing core.
Background
Along with injection molding technology's becoming mature day by day, current means of moulding plastics has been realized in a set of mould through the comparatively complicated product of injection moulding, this type of product space is limited, and have a plurality of two-way back-off, and the injection mold of this type of product of current shaping still adopts normal line position and oblique top design to demold, line position and oblique top can be because both work mutual interference can't be designed, or even can design, but lead to the structure of mould to become comparatively complicated for the product is loosed core the drawing of patterns comparatively difficult, or the phenomenon that can't demold appears.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide an injection mold mechanism that realizes multiposition bi-directional loosing core.
The technical scheme of the utility model as follows: an injection mold mechanism for enabling multi-position bi-directional core pulling for processing products with bi-directional back-off, comprising: the B plate, the C plate, the mounting plate and the base are sequentially arranged from top to bottom; the B plate is provided with a rear mold core for constructing a cavity, and a product is injected and molded in the cavity; the C plate is provided with an internal drawing system for completing the core-pulling and demoulding operation of the product; the mounting plate is provided with more than one spring mounting groove, each spring mounting groove is internally provided with a spring part, and an elastic force is formed between the plate B and the plate C and used for driving the plate B to be separated from the plate C;
the internal drawing system is composed of internal drawing components matched with the number of the bidirectional reverse buckles, the internal drawing components are arranged on the C plate corresponding to the positions of the bidirectional reverse buckles respectively, and each bidirectional reverse buckle completes the demoulding operation through the transverse expansion action of the corresponding internal drawing component when the bidirectional reverse buckle moves upwards.
Preferably, the number of the bidirectional reverse buckles is 3, and correspondingly, the number of the inward drawing assemblies is 3.
Preferably, the positions of the rear die core corresponding to the internal drawing assembly are provided with through working grooves; the internal drawing assembly comprises an insert pin, two guide rail inserts, two dovetail inserts and two forming inserts; the bottoms of the two dovetail inserts are respectively and fixedly arranged on the C plate, the tops of the two dovetail inserts are respectively inserted into the working groove, and inclined planes for guiding the forming inserts to transversely move are arranged on the two dovetail inserts; the bottom of the insert pin is fixedly arranged on the C plate between the two dovetail inserts, and the top of the insert pin is inserted into the working groove and used for forming the bidirectional reverse buckle; the two guide rail inserts are fixedly arranged on the working groove at two sides of the two dovetail inserts respectively and are attached to the two dovetail inserts; the two forming inserts are respectively slidably mounted on the inclined surfaces of the two dovetail inserts, and are also respectively arranged on the two guide rail inserts, and the forming inserts are driven to move on the inclined surfaces of the dovetail inserts by the guide rail inserts.
Preferably, install more than one on the C board and fill in and beat the screw, the B board corresponds the position department that the screw was beaten to the stopper all is equipped with the mounting groove, the B board pass through mounting groove mobile install in fill in beat the screw, beat the screw control die sinking stroke through the stopper.
Preferably, the number of the plug screws is 4, and correspondingly, the number of the mounting grooves is 4.
Preferably, the number of the spring mounting grooves is 4.
Preferably, the mounting plate comprises a mounting panel and a mounting bottom plate, and the mounting bottom plate is mounted below the mounting panel; the 4 spring mounting grooves are respectively arranged on the mounting base plate, and each spring part comprises a guide rod and a spring; one end of the guide rod is installed in the spring installation groove of the installation bottom plate, and the other end of the guide rod sequentially penetrates through the installation panel and the plate C and is inserted into the plate B; the spring is sleeved on the guide rod above the mounting panel, penetrates out of the plate C and is abutted against the bottom of the plate B, and when the spring is completely compressed, the upper part of the spring is flush with the upper surface of the plate C.
By adopting the scheme, the utility model discloses following beneficial effect has:
1. the dovetail insert is provided with the forming insert to form an inner drawing structure, so that the line position and the inclined top are not interfered with each other, the design of the mold is simplified under the condition of ensuring smooth demolding of the mold, the core-pulling and demolding treatment of a product is facilitated, and the demolding efficiency is improved;
2. in the preferred scheme, the application of the plug screw can effectively prevent the B plate from being separated from the whole mechanism due to the elastic force of the spring, and meanwhile, the plug screw can also control the die sinking stroke, so that the die sinking stability is ensured, and the product quality is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the present invention with the product, the rear mold core and the B plate removed;
FIG. 3 is a three-dimensional structure of the product of the present invention;
FIG. 4 is a schematic sectional view of the structure of the present invention;
fig. 5 is a schematic view of the three-dimensional structure of the internal pulling assembly of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, the utility model provides an injection mold mechanism for realizing that multiposition bi-directional is loosed core for processing the product that has two-way back-off, be used for realizing the drawing of patterns operation of product 5 that has two-way back-off 51 in a plurality of positions. The utility model comprises a B plate 1, a C plate 2, a mounting plate 3 and a base 4 which are sequentially arranged from top to bottom; the B plate 1 is provided with a rear mold core 11 for constructing a mold cavity, and a product 5 is injected and molded in the mold cavity; an internal drawing system is arranged on the C plate 2 and is used for finishing the core-pulling and demoulding operation of the product 5; 4 spring installation grooves are formed in the installation plate 3, a spring part 31 is installed in each spring installation groove, and an elastic force is formed between the plate B1 and the plate C2 and used for driving the plate B1 to be separated from the plate C2;
the internal drawing system comprises 3 internal drawing components 21, the 3 internal drawing components 21 are respectively installed on the C plate 2 corresponding to the positions of the bidirectional reverse buckles 51, and each bidirectional reverse buckle 51 completes the demoulding operation through the transverse expansion action of the corresponding internal drawing component 21 during upward movement.
In this embodiment, the C plate 2 is further provided with 4 tucking screws 22, correspondingly, mounting grooves are formed in positions of the B plate 1 corresponding to the 4 tucking screws 22, and the B plate 1 is movably mounted on the tucking screws 22 through the mounting grooves; when the mold is opened, the restriction between the B plate 1 and the C plate 2 is released, the B plate 1 is separated from the C plate 2 under the action of the elastic force of the spring piece 31, the B plate 1 moves upwards along the plugging screw 22, the stroke of the B plate 1 is controlled through the plugging screw 22, the B plate 1 is ensured not to be separated, and the control of the split mold stroke is realized.
In the present embodiment, the mounting plate 3 includes a mounting panel 32 and a mounting base plate 33, and the mounting base plate 33 is mounted below the mounting panel 32; the 4 spring installation grooves are respectively arranged on the installation base plate 33, and each spring piece 31 comprises a guide rod 311 and a spring 312; one end of the guide rod 311 is installed in the spring installation groove of the installation bottom plate 33, and the other end of the guide rod passes through the installation panel 32 and the C plate 2 in sequence and is inserted into the B plate 1; the spring 312 is sleeved on the guide rod 311 above the mounting panel 32, the spring 312 penetrates through the C plate 2 and abuts against the bottom of the B plate 1, and when the spring 312 is completely compressed, the upper part of the spring 312 is flush with the upper surface of the C plate 2;
the mounting panel 32 and the mounting base plate 33 are respectively provided with 4 through threaded holes, and the mounting panel 32 and the mounting base plate 33 are fixed through 4 locking screws screwed in from the 4 through threaded holes.
In this embodiment, through working grooves are formed in the positions of the rear mold core 11 corresponding to the interior-drawing assembly 21, and the interior-drawing assembly 21 includes an insert pin 211, two guide rail inserts 212, two dovetail inserts 213, and two molding inserts 214; the bottoms of the two dovetail inserts 213 are respectively fixedly mounted on the C plate 2 through screws, the tops of the two dovetail inserts 213 are inserted into the working groove of the rear mold core 11, and the two dovetail inserts 213 are respectively provided with an inclined surface for guiding the forming insert 214 to move transversely; the bottom of the insert pin 211 is fixedly mounted on the C plate 2 between the two dovetail inserts 213 through a headless screw, and the top of the insert pin 211 is inserted into the working groove of the rear mold core 11 to form the bidirectional reverse buckle 51; the two guide rail inserts 212 are respectively fixedly installed in the working grooves of the rear die core 11 at two sides of the two dovetail inserts 213 through screws, and are attached to the two dovetail inserts 213; the two forming inserts 214 are respectively slidably mounted on the inclined surfaces of the two dovetail inserts 213, and the two forming inserts 214 are also respectively arranged on the two guide rail inserts 212, when the mold is opened, the B plate 1 moves upward under the elastic action of the spring 312, the rear mold core 11 moves in the same direction along with the movement of the B plate 1, and the rear mold core 11 drives the guide rail inserts 212 to move upward, so that the guide rail inserts 212 push the forming inserts 214 to move upward, and the forming inserts 214 move transversely under the action of the inclined surfaces on the dovetail inserts 213, thereby completing the demolding operation of the bidirectional reverse buckle 51.
The utility model discloses working process and principle as follows:
during die opening, the constraint force between the B plate 1 and the C plate 2 is released, the B plate 1 and the C plate 2 are opened under the elastic force of the spring 312, the die opening stroke between the B plate 1 and the C plate 2 is controlled by the tucking screw 22, the rear die core 11 moves upward along with the B plate 1, so as to drive the forming insert 214 to move upward, the dovetail insert 213 is fixed on the C plate 2 and remains stationary, and under the action of the inclined surface on the dovetail insert 213, the forming insert 214 moves laterally, so as to complete the die releasing of the bidirectional reverse buckle 51.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the dovetail insert is provided with the forming insert to form an inner drawing structure, so that the line position and the inclined top are not interfered with each other, the design of the mold is simplified under the condition of ensuring smooth demolding of the mold, the core-pulling and demolding treatment of a product is facilitated, and the demolding efficiency is improved;
2. in the preferred scheme, the application of the plug screw can effectively prevent the B plate from being separated from the whole mechanism due to the elastic force of the spring, and meanwhile, the plug screw can also control the die sinking stroke, so that the die sinking stability is ensured, and the product quality is ensured.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides an realize multi-position bidirectional core pulling's injection mold mechanism for processing has the product of two-way back-off, its characterized in that includes: the B plate, the C plate, the mounting plate and the base are sequentially arranged from top to bottom; the B plate is provided with a rear mold core for constructing a cavity, and a product is injected and molded in the cavity; the C plate is provided with an internal drawing system for completing the core-pulling and demoulding operation of the product; the mounting plate is provided with more than one spring mounting groove, each spring mounting groove is internally provided with a spring part, and an elastic force is formed between the plate B and the plate C and used for driving the plate B to be separated from the plate C;
the internal drawing system is composed of internal drawing components matched with the number of the bidirectional reverse buckles, the internal drawing components are arranged on the C plate corresponding to the positions of the bidirectional reverse buckles respectively, and each bidirectional reverse buckle completes the demoulding operation through the transverse expansion action of the corresponding internal drawing component when the bidirectional reverse buckle moves upwards.
2. The injection mold mechanism for realizing multi-position and bi-directional core pulling according to claim 1, wherein the number of the bi-directional back-off buttons is 3, and correspondingly, the number of the inner pulling assemblies is 3.
3. The injection mold mechanism for realizing multi-position and bi-directional core pulling according to claim 2, wherein the rear mold core is provided with through working grooves at positions corresponding to the inner pulling assembly; the internal drawing assembly comprises an insert pin, two guide rail inserts, two dovetail inserts and two forming inserts; the bottoms of the two dovetail inserts are respectively and fixedly arranged on the C plate, the tops of the two dovetail inserts are respectively inserted into the working groove, and inclined planes for guiding the forming inserts to transversely move are arranged on the two dovetail inserts; the bottom of the insert pin is fixedly arranged on the C plate between the two dovetail inserts, and the top of the insert pin is inserted into the working groove and used for forming the bidirectional reverse buckle; the two guide rail inserts are fixedly arranged on the working groove at two sides of the two dovetail inserts respectively and are attached to the two dovetail inserts; the two forming inserts are respectively slidably mounted on the inclined surfaces of the two dovetail inserts, and are also respectively arranged on the two guide rail inserts, and the forming inserts are driven to move on the inclined surfaces of the dovetail inserts by the guide rail inserts.
4. The injection mold mechanism for realizing multi-position and bidirectional core pulling according to claim 1, wherein more than one filling screw is mounted on the C plate, mounting grooves are provided at positions of the B plate corresponding to the filling screws, the B plate is movably mounted on the filling screws through the mounting grooves, and the mold opening stroke is controlled through the filling screws.
5. The injection mold mechanism for realizing multi-position and bi-directional core pulling according to claim 4, wherein the number of the plug screws is 4, and correspondingly, the number of the mounting grooves is 4.
6. The injection mold mechanism for realizing multi-position and bi-directional core pulling according to claim 1, wherein the number of the spring mounting grooves is 4.
7. An injection mold mechanism for enabling multi-position bi-directional core pulling according to claim 6, wherein the mounting plate comprises a mounting panel and a mounting base plate, the mounting base plate being mounted below the mounting panel; the 4 spring mounting grooves are respectively arranged on the mounting base plate, and each spring part comprises a guide rod and a spring; one end of the guide rod is installed in the spring installation groove of the installation bottom plate, and the other end of the guide rod sequentially penetrates through the installation panel and the plate C and is inserted into the plate B; the spring is sleeved on the guide rod above the mounting panel, penetrates out of the plate C and is abutted against the bottom of the plate B, and when the spring is completely compressed, the upper part of the spring is flush with the upper surface of the plate C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450569.2U CN210552791U (en) | 2019-08-30 | 2019-08-30 | Injection mold mechanism for realizing multi-position bidirectional core pulling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450569.2U CN210552791U (en) | 2019-08-30 | 2019-08-30 | Injection mold mechanism for realizing multi-position bidirectional core pulling |
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| Publication Number | Publication Date |
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| CN210552791U true CN210552791U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921450569.2U Active CN210552791U (en) | 2019-08-30 | 2019-08-30 | Injection mold mechanism for realizing multi-position bidirectional core pulling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117885299A (en) * | 2024-03-05 | 2024-04-16 | 宁海县大鹏模具塑料有限公司 | Valve cover forming die |
-
2019
- 2019-08-30 CN CN201921450569.2U patent/CN210552791U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117885299A (en) * | 2024-03-05 | 2024-04-16 | 宁海县大鹏模具塑料有限公司 | Valve cover forming die |
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