CN216100192U - Secondary core-pulling mechanism of injection mold - Google Patents
Secondary core-pulling mechanism of injection mold Download PDFInfo
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- CN216100192U CN216100192U CN202121546205.1U CN202121546205U CN216100192U CN 216100192 U CN216100192 U CN 216100192U CN 202121546205 U CN202121546205 U CN 202121546205U CN 216100192 U CN216100192 U CN 216100192U
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- 238000002347 injection Methods 0.000 title claims abstract description 16
- 239000007924 injection Substances 0.000 title claims abstract description 16
- 238000013016 damping Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
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Abstract
The utility model discloses a secondary core-pulling mechanism of an injection mold, which comprises a mounting plate and a top mold, wherein the top of the mounting plate is provided with a bottom mold, and the bottom of the bottom mold is of a hollow structure; according to the utility model, after the side baffles are closed, the damping rod can be driven to synchronously push the second push plate, the second push plates on the two sides can slide along the inclined surface of the clamping plate in the moving process, and then the clamping plate drives the bottom plate and the ejector pins to move downwards until the ejector pins are completely matched and connected with the bottom die.
Description
Technical Field
The utility model particularly relates to the related technical field of molds, and particularly relates to a secondary core-pulling mechanism of an injection mold.
Background
In short, the mould is a tool for manufacturing a formed article, the tool is composed of various parts, different moulds are composed of different parts, the appearance of the article is processed mainly by changing the physical state of the formed material, and the mould is called as an industrial mother, and the injection mould is needed in the process of processing a high polymer product.
Because injection mold is once forming usually, some products that inner structure is complicated, and the single mode core can't once only form appointed cavity in the product, and the injection mold who uses at present need use the extrusion slider when the drawing of patterns usually, and some products that the rigidity is less cause the damage easily, consequently have inconvenience when using.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a secondary core-pulling mechanism of an injection mold, and aims to solve the problems that the existing injection mold is usually formed once and has a complex part of internal structure, a single mold core cannot form a specified cavity in the product at one time, an extrusion slide block is usually required to be used in the demoulding process of the existing injection mold, and the product with lower hardness is easy to damage, so that the existing injection mold is inconvenient to use.
In order to achieve the purpose, the utility model provides the following technical scheme:
a secondary core-pulling mechanism of an injection mold comprises: the die comprises an installation plate and a top die, wherein the top of the installation plate is provided with a bottom die, and the bottom of the bottom die is of a hollow structure; the top die is arranged at the top of the bottom die, the top die is connected with the bottom die in a matching manner, and the central line of the top die, the central line of the bottom die and the central line of the mounting plate are all on the same vertical straight line; the top of the mounting plate is provided with two fixing plates which are symmetrically arranged about the center line of the mounting plate, and the two mounting plates are respectively arranged at the two ends of the top of the mounting plate; the side, far away from the bottom die, of the mounting plate is provided with an air cylinder, the air cylinder penetrates through the mounting plate and is connected with the side baffle through a pneumatic connecting rod, and meanwhile, the air cylinder, the pneumatic connecting rod and the mounting plate form a telescopic structure; the mounting plates are in fit connection with the side faces of the bottom die, a first die core is mounted at one end, close to the center line of the bottom die, of one mounting plate, and a second die core is mounted at one end, close to the center line of the bottom die, of the other mounting plate; a first push plate is arranged at one end, close to the side baffle, of the pneumatic connecting rod, a damping rod is arranged at the lower part of the first push plate, and the damping rod penetrates through the limiting plate and is connected with a second push plate; the two limiting plates are symmetrically arranged about the center line of the bottom die, and are respectively arranged at the lower parts of the outer walls of the two sides of the bottom die, and the connecting mode of the limiting plates and the damping rods is sliding connection; the second push plate is connected with a clamping plate in a sliding mode, and the lower portion of the second push plate and the top of the clamping plate are both in inclined surface structures; a third mold core is arranged on one side of the bottom of the top mold, and one side of the third mold core is connected with one end of the second mold core in a clamping manner; the top of the top die is provided with a fixed seat, and the central line of the fixed seat and the central line of the top die are on the same vertical straight line; the top of top mould install the feed inlet, and the feed inlet is the symmetry formula about the central line of top mould and is provided with two, two top moulds all run through the top of top mould simultaneously.
As a further scheme of the utility model: the clamping plates are arranged at the bottom of the bottom plate, two clamping plates are symmetrically arranged on the center line of the bottom plate, and the bottom plate is arranged at the lower part of the bottom die; the top end of the bottom plate is provided with four ejector pins, the four ejector pins are symmetrically arranged about the center line of the bottom plate, and the four ejector pins penetrate through the bottom of the bottom die and extend into the bottom die; the bottom of bottom plate install reset spring, and reset spring's bottom and mounting panel fixed connection, bottom plate, reset spring and thimble constitute elevation structure simultaneously.
As a further scheme of the utility model: the thimble and the bottom die are connected in a sliding manner, and the thimble is of a wedge-shaped structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. the bottom die, the top die, the side baffle, the first die core, the second die core and the third die core are arranged, the bottom die, the top die and the side baffle are mutually matched and connected to form a closed shell structure, the first die core, the second die core or the third die core which can be mutually combined can be conveniently installed according to requirements through the top die and the side baffle, and the first die core, the second die core or the third die core can be sequentially drawn out when the die is opened, so that the application range of the whole device is expanded.
2. The die core fixing device is provided with the fixing plate, the air cylinder and the pneumatic connecting rod, the bottom of the fixing plate is fixedly connected with the mounting plate through the bolt, and the fixing position of the fixing plate can be selected according to requirements so as to adapt to die cores with different lengths, and the use convenience is improved.
3. The side baffle is closed, the damping rod can be driven to synchronously push the second push plate, the second push plates on the two sides can slide along the inclined surface of the clamping plate in the moving process, the clamping plate drives the bottom plate and the ejector pins to move downwards until the ejector pins are completely matched and connected with the bottom die, when the side baffle moves towards the two sides during die opening, the damping rod can prevent the second push plates from being separated from the clamping plate too quickly through self extension, so that the reset spring pushes the bottom plate and the ejector pins to move upwards to eject products to cause damage in a state that the first die core and the second die core are not completely extracted, and the use convenience is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the vertical cross-sectional structure of the present invention.
Fig. 3 is a schematic view of the oblique sectional structure of the top mold in the present invention.
FIG. 4 is a schematic cross-sectional view of the bottom mold of the present invention.
In the figure: the die comprises a die body, a die top, a die bottom, a die top, a die fixing plate, a cylinder 5, a pneumatic connecting rod 6, a side baffle 7, a first push plate 8, a limiting plate 9, a damping rod 10, a second push plate 11, a clamping plate 12, a base plate 13, a return spring 14, an ejector pin 15, a first die core 16, a second die core 17, a third die core 18, a feed inlet 19 and a fixed seat 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, in an embodiment of the present invention, a secondary core pulling mechanism of an injection mold includes an installation plate 1 and a top mold 3, wherein a bottom mold 2 is installed on a top of the installation plate 1, and a bottom of the bottom mold 2 is a hollow structure; the top die 3 is arranged at the top of the bottom die 2, the top die 3 is connected with the bottom die 2 in a matching manner, and meanwhile, the central line of the top die 3, the central line of the bottom die 2 and the central line of the mounting plate 1 are all on the same vertical straight line; the top of the mounting plate 1 is provided with two fixing plates 4, the two fixing plates 4 are symmetrically arranged about the center line of the mounting plate 1, and the two mounting plates 1 are respectively mounted at two ends of the top of the mounting plate 1; the side, far away from the bottom die 2, of the mounting plate 1 is provided with a cylinder 5, the cylinder 5 penetrates through the mounting plate 1 and is connected with a side baffle 7 through a pneumatic connecting rod 6, and meanwhile, the cylinder 5, the pneumatic connecting rod 6 and the mounting plate 1 form a telescopic structure; the mounting plates 1 are in fit connection with the side surfaces of the bottom die 2, a first die core 16 is mounted at one end, close to the center line of the bottom die 2, of one mounting plate 1, and a second die core 17 is mounted at one end, close to the center line of the bottom die 2, of the other mounting plate 1; a first push plate 8 is arranged at one end, close to the side baffle 7, of the pneumatic connecting rod 6, a damping rod 10 is arranged at the lower part of the first push plate 8, and meanwhile, the damping rod 10 penetrates through a limiting plate 9 and is connected with a second push plate 11; the two limiting plates 9 are symmetrically arranged about the center line of the bottom die 2, the two limiting plates 9 are respectively installed on the lower parts of the outer walls of the two sides of the bottom die 2, and meanwhile, the connecting mode of the limiting plates 9 and the damping rods 10 is sliding connection; the second push plate 11 is connected with a clamping plate 12 in a sliding mode, and the lower portion of the second push plate 11 and the top of the clamping plate 12 are both in an inclined plane structure; a third mold core 18 is arranged on one side of the bottom of the top mold 3, and one side of the third mold core 18 is connected with one end of the second mold core 17 in a clamping manner; the top of the top die 3 is provided with a fixed seat 20, and the central line of the fixed seat 20 and the central line of the top die 3 are on the same vertical straight line; the top of top mould 3 install feed inlet 19, and feed inlet 19 is provided with two about the central line of top mould 3 is the symmetry formula, two top moulds 3 all run through the top of top mould 3 simultaneously.
According to the technical scheme, the bottom die 2 and the top die 3 are matched with the two side baffles 7 to form a closed shell structure, so that the raw materials can be cooled in the shell structure and further can be condensed and formed, the split structure is convenient for selecting die cores with different shapes according to requirements, the second push plate 11 can push the clamping plate 12 to pull downwards in the process of sliding along the clamping plate 12 through the inclined surface structure, meanwhile, the raw materials can be conveniently injected into the device through one feed port 19, the redundant raw materials can be conveniently overflowed through the other feed port 19, and the quality of finished products is ensured,
in the embodiment, the two clamping plates 12 are arranged at the bottom of the bottom plate 13, and the two clamping plates 12 are symmetrically arranged about the center line of the bottom plate 13, and the bottom plate 13 is arranged at the lower part of the bottom die 2; the top end of the bottom plate 13 is provided with four ejector pins 15, the four ejector pins 15 are symmetrically arranged about the center line of the bottom plate 13, and the four ejector pins 15 penetrate through the bottom of the bottom die 2 and extend into the bottom die 2; the bottom of bottom plate 13 install reset spring 14, and reset spring 14's bottom and mounting panel 1 fixed connection, bottom plate 13, reset spring 14 and thimble 15 constitute elevation structure simultaneously.
According to the technical scheme, after the second push plate 11 is separated from the clamping plate 12, the bottom plate 13 and the ejector pins 15 are conveniently pushed to move upwards through the return springs 14, and then products are ejected upwards through the ejector pins 15, so that the demolding efficiency is improved.
In this embodiment, the thimble 15 is connected to the bottom mold 2 in a sliding manner, and the thimble 15 has a wedge-shaped structure.
According to the technical scheme, the surface area of the top of the thimble 15 with the wedge-shaped structure is larger, so that the supporting effect can be improved.
The working principle of the utility model is as follows: before use, firstly, the top die 3 is mutually connected with an external vertical traction device through a fixed seat 20, then, a feed inlet 19 is communicated with a feed pipeline, then, an external power supply is switched on, the top die 3 is pushed to be downwards mutually closed with the bottom die 2 through the external vertical traction device, then, two air cylinders 5 are simultaneously started, the side baffle 7 is pushed to be clamped and connected with the outer walls of the two sides of the mounting plate 1 through the pneumatic connecting rod 6, the first die core 16 and the second die core 17 are synchronously pushed to the inside of the bottom die 2, at the moment, the second die core 17 is mutually clamped and connected with the third die core 18, and synchronously, in the moving process of the pneumatic connecting rod 6, the damping rod 10 is matched to push the second push plate 11 to downwards press the clamping plate 12 so as to drive the bottom plate 13 and the ejector pins 15 to downwards contract and extrude the return springs 14 until the ejector pins 15 are completely matched and connected with the bottom die 2, raw materials are injected into the device through the feed inlet 19, after the raw materials are cooled and solidified, money is collected and the pneumatic connecting rod 6 is matched with the side baffle 7 to drive the first mold core 16 and the second mold core 17 to move towards the outside of two sides, the damping rod 10 can prevent the second push plate 11 from prematurely separating from the clamping plate 12 through the extension of the damping rod per se in the process, and after the second mold core 17 separates from the third mold core 18, the top mold 3 and the third mold core 18 are driven to move upwards through external vertical traction equipment, after the first mold core 16 and the second mold core 17 are completely drawn out, the second push plate 11 separates from the clamping plate 12, the reset spring 14 pushes the bottom plate 13 and the ejector pins 15 to move upwards through the resilience force of the reset spring 14, and then the formed product is ejected out of the bottom mold 2.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The utility model provides an injection mold's secondary mechanism of loosing core which characterized in that: the die comprises a mounting plate (1) and a top die (3), wherein the top of the mounting plate (1) is provided with a bottom die (2), and the bottom of the bottom die (2) is of a hollow structure; the top die (3) is installed at the top of the bottom die (2), the top die (3) is connected with the bottom die (2) in a fitting manner, and meanwhile the central line of the top die (3), the central line of the bottom die (2) and the central line of the mounting plate (1) are all on the same vertical line; the top of the mounting plate (1) is provided with two fixing plates (4), the two fixing plates (4) are symmetrically arranged about the center line of the mounting plate (1), and the two mounting plates (1) are respectively mounted at the two ends of the top of the mounting plate (1); the side, far away from the bottom die (2), of the mounting plate (1) is provided with an air cylinder (5), the air cylinder (5) penetrates through the mounting plate (1) and is connected with a side baffle (7) through a pneumatic connecting rod (6), and meanwhile the air cylinder (5), the pneumatic connecting rod (6) and the mounting plate (1) form a telescopic structure; the mounting plates (1) are in fit connection with the side faces of the bottom die (2), a first mold core (16) is mounted at one end, close to the center line of the bottom die (2), of one mounting plate (1), and a second mold core (17) is mounted at one end, close to the center line of the bottom die (2), of the other mounting plate (1); a first push plate (8) is arranged at one end, close to the side baffle (7), of the pneumatic connecting rod (6), a damping rod (10) is arranged at the lower part of the first push plate (8), and meanwhile, the damping rod (10) penetrates through the limiting plate (9) and is connected with a second push plate (11); the two limiting plates (9) are symmetrically arranged about the center line of the bottom die (2), the two limiting plates (9) are respectively arranged at the lower parts of the outer walls of the two sides of the bottom die (2), and meanwhile, the connecting mode of the limiting plates (9) and the damping rods (10) is sliding connection; the second push plate (11) is connected with a clamping plate (12) in a sliding mode, and the lower portion of the second push plate (11) and the top of the clamping plate (12) are of inclined surface structures; a third mold core (18) is arranged on one side of the bottom of the top mold (3), and one side of the third mold core (18) is connected with one end of the second mold core (17) in a clamping manner; the top of the top die (3) is provided with a fixed seat (20), and the central line of the fixed seat (20) and the central line of the top die (3) are on the same vertical straight line; the top of top mould (3) install feed inlet (19), and feed inlet (19) are the symmetrical formula about the central line of top mould (3) and are provided with two, two top moulds (3) all run through the top of top mould (3) simultaneously.
2. The secondary core-pulling mechanism of an injection mold according to claim 1, characterized in that: the clamping plates (12) are arranged at the bottom of the bottom plate (13), two clamping plates (12) are symmetrically arranged relative to the center line of the bottom plate (13), and the bottom plate (13) is arranged at the lower part of the bottom die (2); the top end of the bottom plate (13) is provided with four ejector pins (15), the four ejector pins (15) are symmetrically arranged relative to the central line of the bottom plate (13), and the four ejector pins (15) penetrate through the bottom of the bottom die (2) and extend into the bottom die (2); the bottom of bottom plate (13) install reset spring (14), and the bottom and mounting panel (1) fixed connection of reset spring (14), bottom plate (13), reset spring (14) and thimble (15) constitute elevation structure simultaneously.
3. The secondary core-pulling mechanism of an injection mold according to claim 2, characterized in that: the thimble (15) is connected with the bottom die (2) in a sliding manner, and the thimble (15) is of a wedge-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121546205.1U CN216100192U (en) | 2021-07-08 | 2021-07-08 | Secondary core-pulling mechanism of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121546205.1U CN216100192U (en) | 2021-07-08 | 2021-07-08 | Secondary core-pulling mechanism of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216100192U true CN216100192U (en) | 2022-03-22 |
Family
ID=80721854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121546205.1U Active CN216100192U (en) | 2021-07-08 | 2021-07-08 | Secondary core-pulling mechanism of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216100192U (en) |
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2021
- 2021-07-08 CN CN202121546205.1U patent/CN216100192U/en active Active
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