CN215921155U - Injection mold with prevent to drip irrigation interface and dead function of die cavity card - Google Patents
Injection mold with prevent to drip irrigation interface and dead function of die cavity card Download PDFInfo
- Publication number
- CN215921155U CN215921155U CN202122527723.5U CN202122527723U CN215921155U CN 215921155 U CN215921155 U CN 215921155U CN 202122527723 U CN202122527723 U CN 202122527723U CN 215921155 U CN215921155 U CN 215921155U
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- Prior art keywords
- cavity
- injection
- movable
- mold
- drip irrigation
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- 238000002347 injection Methods 0.000 title claims abstract description 39
- 239000007924 injection Substances 0.000 title claims abstract description 39
- 230000002262 irrigation Effects 0.000 title claims abstract description 16
- 238000003973 irrigation Methods 0.000 title claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 238000000465 moulding Methods 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 229920003023 plastic Polymers 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 39
- 238000001746 injection moulding Methods 0.000 claims description 24
- 230000017525 heat dissipation Effects 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000013016 damping Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 239000002991 molded plastic Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection mold with a function of preventing a drip irrigation interface and a cavity from being blocked, which comprises a fixed mold fixedly arranged on injection equipment, wherein an injection head for injecting raw materials is arranged in the middle of the fixed mold in a penetrating manner, a movable mold capable of lifting and moving is arranged above the fixed mold in a mutually corresponding position, a movable block is movably arranged above the fixed mold, a cavity is formed and is arranged on the upper surface of the movable block, and an injection hole is arranged in the middle of the lower end of the movable block in a penetrating manner. This injection mold with prevent to drip irrigation interface and dead function of die cavity card adopts neotype structural design for the device is being moulded plastics and is accomplished the back, utilizes initiative rack and the driven gear who is connected with it meshing to drive the hair of moulding plastics and takes place to rotate, thereby makes the head of moulding plastics loosen and die with the card between the mould, avoids its condition of damage to appear, and the air-cooled louvre around the cooperation is simultaneously utilizing water-cooling, can improve the holistic cooling effect of mould.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection mold with a function of preventing a drip irrigation interface and a cavity from being blocked.
Background
The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.
In the prior art, Chinese patent with the publication number of CN207772352U discloses an injection mold with a water blowing device, which comprises an injection mold, a base, an upper support plate and a lower support plate, wherein the injection mold is internally provided with a mold cavity, the upper end of the mold cavity is connected with an injection port, the outer side of the mold cavity is wound with a spiral cooling pipeline, the upper side and the lower side of the cooling pipeline are respectively connected with a water tank through a water inlet pipe and a water outlet pipe, the cooling pipeline is connected with an air inlet pipe, the lower end of the injection mold is connected with the base, the four corners of the bottom end of the base are fixedly connected with support legs, each support leg is provided with a chute, the upper support plate is connected between the four chutes in a sliding way, the lower support plate is arranged below the upper support plate, and a rubber shock absorption block is connected between the upper support plate and the lower support plate. The mold is prevented from being rusted, the device is convenient to move, and the practicability is high.
However, in the actual use process, after the injection mold completes injection molding, the plastic raw material at the position of the injection head can overflow and be rapidly cooled and hardened, so that the injection head can be damaged seriously due to the possibility of being stuck when being pulled out, and the general injection mold is cooled by adopting a water cooling mode, so that the independent water cooling cannot achieve a good cooling effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an injection mold with a function of preventing a drip irrigation interface and a cavity from being stuck, so as to solve the problems of stuck damage of an injection head and poor cooling effect in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an injection mold with prevent to drip irrigation interface and dead function of die cavity card, includes the fixed mould of fixed mounting on injection moulding equipment, the fixed mould intermediate position runs through to install the head of moulding plastics that is used for injecting into the raw materials, just the mutual corresponding position in fixed mould top is provided with the movable mould of liftable activity, still includes:
the movable block is movably arranged above the fixed die, the centers of the movable block and the fixed die are positioned on the same vertical line, and the lower surface of the movable block is provided with a damping spring which can play an effective damping protection role;
the molding cavity is formed in the upper surface of the movable block and is of a concave structure as a whole;
the injection molding hole penetrates through the middle position of the lower end of the movable block and is of a conical structure with a small upper part and a large lower part;
the blocking net is fixedly arranged at the upper end inside the injection molding hole and used for reducing the contact area of the injection molding head and a manufactured finished product;
the positioning columns are uniformly and fixedly arranged at four corners of the upper surface of the fixed die at equal intervals, the positioning columns and the movable die form a penetrating structure, and the lower surface of the movable die is fixedly provided with a protruding structure corresponding to the modeling cavity;
the positioning holes penetrate through the four corners of the movable mold, the positions of the positioning holes and the positions of the positioning columns correspond to each other up and down, and the insides of the positioning holes are attached to the outer surfaces of the positioning columns.
Preferably, the movable block lower extreme is fixed to be provided with wholly and is hemispherical last extrusion piece, just go up extrusion piece surface and the laminating of extrusion piece surface down, can produce the extrusion force to extrusion piece down through the downstream of last extrusion piece to will extrude the piece sideway and promote down.
Preferably, the lower extrusion block and the fixed die form an elastic structure through a return spring, a driving rack is fixedly arranged on the side face of the lower extrusion block, and after the upper extrusion block and the lower extrusion block are separated from extrusion, the driving rack is driven to move outwards under the action of the return spring.
Preferably, the driving rack is provided with 2 groups about the central symmetry of the injection molding head, and 2 groups the injection molding head and the driven gear form a meshing structure, and the driving rack enables the driven gear in meshing connection with the driving rack to drive the injection molding head to rotate while moving, so that the occurrence of the dead situation of the clamping is avoided.
Preferably, a water cooling channel for cooling is arranged in the movable mold in a penetrating mode, heat dissipation holes for assisting heat dissipation are formed in the outer side of the water cooling channel, and the heat dissipation holes are used for assisting heat dissipation and cooling, so that the overall cooling effect of the mold can be improved.
Preferably, the bottom end of the heat dissipation hole is provided with a sealing block in a circular truncated cone structure, the sealing block and the movable mold form an elastic structure through an extrusion spring, and the sealing block moves downwards under the action of the extrusion spring after the movable mold moves upwards, so that a channel at the lower end of the heat dissipation hole is opened, and air can circulate inside the movable mold.
Compared with the prior art, the utility model has the beneficial effects that: this injection mold with prevent to drip irrigation interface and dead function of die cavity card adopts neotype structural design for the device is moulding plastics and is accomplishing the back, utilizes initiative rack and the driven gear who is connected with it meshing to drive the hair of moulding plastics and takes place to rotate, thereby make the head of moulding plastics loosen and die with the card between the mould, avoid its condition of damage to appear, utilize water-cooled air-cooled while simultaneously to cooperate the air-cooled louvre on every side, can improve the holistic cooling effect of mould, its concrete content is as follows:
1. go up the cooperation between extrusion piece, lower extrusion piece, reset spring, initiative rack and the driven gear and use when the moving die utensil rebound, go up and extrude the piece and break away from the extrusion gradually down between the extrusion piece, push the outside lateral shifting of initiative rack under reset spring's effect this moment to utilize the driven gear of being connected with it to drive the hair of moulding plastics and take place to rotate, avoid appearing the dead condition of card between its and the mould.
2. The water cooling channel, the heat dissipation holes, the sealing blocks and the extrusion springs are matched for use, when the movable mold moves upwards to separate the mold, the sealing blocks move downwards under the pushing of the upper extrusion springs while being cooled by the water cooling channel, the lower channels of the heat dissipation holes are opened, air can circulate inside the movable mold, and the purpose of auxiliary cooling is achieved.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic top view of the moving mold of the present invention;
FIG. 3 is a schematic top view of the stationary mold of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is a schematic top view of the driven gear of the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 1 according to the present invention.
In the figure: 1. fixing a mold; 2. an injection head; 3. a movable block; 4. molding a cavity; 5. injection molding holes; 6. blocking the net; 7. a positioning column; 8. moving the mold; 9. positioning holes; 10. a damping spring; 11. an upper extrusion block; 12. a lower extrusion block; 13. a return spring; 14. a driving rack; 15. a driven gear; 16. a water-cooling channel; 17. heat dissipation holes; 18. a sealing block; 19. compressing the spring.
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. 1-6, the present invention provides a technical solution: the utility model provides an injection mold with prevent to drip irrigation interface and dead function of die cavity card, includes fixed die 1 of fixed mounting on injection moulding device, and the 1 intermediate position of fixed die runs through to install the head 2 of moulding plastics that is used for injecting into the raw materials, and the mutual corresponding position in 1 top of fixed die is provided with movable mould 8 of liftable activity, still includes:
the movable block 3 is movably arranged above the fixed die 1, the centers of the movable block 3 and the fixed die 1 are positioned on the same vertical line, and the lower surface of the movable block 3 is provided with a damping spring 10 which can play an effective damping protection role;
the molding cavity 4 is formed in the upper surface of the movable block 3, and the whole molding cavity 4 is of a concave structure;
the injection hole 5 penetrates through the middle position of the lower end of the movable block 3, and the whole injection hole 5 is of a conical structure with a small upper part and a large lower part;
the blocking net 6 is fixedly arranged at the upper end inside the injection molding hole 5, and the blocking net 6 is used for reducing the contact area between the injection molding head 2 and a manufactured finished product;
the positioning columns 7 are uniformly and fixedly arranged at four corners of the upper surface of the fixed die 1 at equal intervals, the positioning columns 7 and the movable die 8 form a penetrating structure, and the lower surface of the movable die 8 is fixedly provided with a protruding structure corresponding to the modeling cavity 4;
and the positioning holes 9 penetrate through the four corners of the movable mold 8, the positions of the positioning holes 9 and the positions of the positioning columns 7 are vertically corresponding to each other, and the insides of the positioning holes 9 are attached to the outer surfaces of the positioning columns 7.
The fixed last extrusion piece 11 that is wholly hemispherical that is provided with of 3 lower extremes of movable block, and goes up extrusion piece 11 surface and the laminating of extrusion piece 12 surface down, extrusion piece 12 passes through to form elastic construction between reset spring 13 and the fixed mould 1 down, and extrusion piece 12 side is fixed down and is provided with initiative rack 14, and initiative rack 14 is provided with 2 groups about 2 centrosymmetric of the head of moulding plastics altogether, and 2 groups mould plastics first 2 and all constitute the meshing structure with driven gear 15.
When the device is used, firstly, the fixed die 1 and the movable die 8 are respectively installed at corresponding positions on injection molding equipment, and the positioning operation is completed by utilizing the corresponding positioning holes 9 and the corresponding positioning columns 7, so that the dislocation condition is avoided, then, the equipment is opened to push the movable die 8 to approach the position of the fixed die 1 to realize die assembly, at the moment, the movable block 3 is enabled to compress the damping spring 10 at the rear part under the action of the extrusion force, the damage caused by the large impact force is avoided by utilizing the elastic action of the damping spring 10, then, the raw material is injected into the molding cavity 4 from the injection molding hole 5 by utilizing the injection head 2, the contact area between the injection head 2 and the raw material is reduced by utilizing the blocking action of the blocking net 6, after the temperature of the internal pressure of the die reaches a set value, the die division is started, at the moment, the damping spring 10 is recovered to drive the upper extrusion block 11 at the lower end to synchronously move upwards, so that the upper extrusion block 11 is separated from the extrusion action between the lower extrusion block 12, at this time, the driving rack 14 on the side is pushed to move outwards under the action of the return spring 13, so that the driven gear 15 in meshed connection with the driving rack drives the injection head 2 to rotate, the injection head 2 is disconnected from the inner finished product, and the injection head is prevented from being stuck with the mold.
A water cooling channel 16 for cooling is arranged inside the movable mold 8 in a penetrating mode, a heat dissipation hole 17 for assisting heat dissipation is formed in the outer side of the water cooling channel 16, a sealing block 18 in a circular truncated cone structure is arranged at the bottom end of the heat dissipation hole 17, and the sealing block 18 and the movable mold 8 form an elastic structure through an extrusion spring 19.
Utilize water-cooling channel 16 to cool off the mould after the mould that divides, sealed piece 18 of moving die 8 below moves down under extrusion spring 19's effect to open the lower extreme passageway of louvre 17, the effect of cooperation outside fan makes the air circulate at the inside quick of louvre 17, increases refrigerated effect.
The working principle is as follows: when the device is used, according to the structure shown in the figures 1-5, firstly, the injection molding head 2 is driven to rotate by utilizing the meshing connection between the driving rack 14 and the driven gear 15 during mold splitting, so that the clamping condition between the injection molding head 2 and a mold is avoided, the cooling effect of the device can be improved by utilizing the matching between air cooling and water cooling, and the working principle of the injection mold with the function of preventing the drip irrigation interface and the cavity from being clamped is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an injection mold with prevent to drip irrigation interface and dead function of die cavity card, includes the fixed mould of fixed mounting on injection moulding equipment, the fixed mould intermediate position runs through to install the head of moulding plastics that is used for injecting into the raw materials, just the mutual corresponding position in fixed mould top is provided with the movable mould of liftable activity, its characterized in that still includes:
the movable block is movably arranged above the fixed die, the centers of the movable block and the fixed die are positioned on the same vertical line, and the lower surface of the movable block is provided with a damping spring which can play an effective damping protection role;
the molding cavity is formed in the upper surface of the movable block and is of a concave structure as a whole;
the injection molding hole penetrates through the middle position of the lower end of the movable block and is of a conical structure with a small upper part and a large lower part;
the blocking net is fixedly arranged at the upper end inside the injection molding hole and used for reducing the contact area of the injection molding head and a manufactured finished product;
the positioning columns are uniformly and fixedly arranged at four corners of the upper surface of the fixed die at equal intervals, the positioning columns and the movable die form a penetrating structure, and the lower surface of the movable die is fixedly provided with a protruding structure corresponding to the modeling cavity;
the positioning holes penetrate through the four corners of the movable mold, the positions of the positioning holes and the positions of the positioning columns correspond to each other up and down, and the insides of the positioning holes are attached to the outer surfaces of the positioning columns.
2. The injection mold with the function of preventing the drip irrigation interface from being stuck with the cavity as claimed in claim 1, wherein: the movable block lower extreme is fixed to be provided with wholly and is hemispherical last extrusion piece, just go up extrusion piece surface and the laminating of extrusion piece surface down.
3. The injection mold with the function of preventing the drip irrigation interface from being stuck with the cavity as claimed in claim 2, wherein: the lower extrusion block and the fixed die form an elastic structure through a return spring, and a driving rack is fixedly arranged on the side face of the lower extrusion block.
4. The injection mold with the function of preventing the drip irrigation interface from being stuck with the cavity as claimed in claim 3, wherein: the driving rack is provided with 2 groups about injection molding head centrosymmetry, and 2 groups the injection molding head and the driven gear form a meshing structure.
5. The injection mold with the function of preventing the drip irrigation interface from being stuck with the cavity as claimed in claim 1, wherein: a water cooling channel for cooling is arranged in the movable mould in a penetrating mode, and heat dissipation holes for assisting heat dissipation are formed in the outer side of the water cooling channel.
6. The injection mold with the function of preventing the drip irrigation interface from being stuck with the cavity as claimed in claim 5, wherein: the bottom of the heat dissipation hole is provided with a sealing block in a round platform structure, and the sealing block and the movable die form an elastic structure through an extrusion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122527723.5U CN215921155U (en) | 2021-10-20 | 2021-10-20 | Injection mold with prevent to drip irrigation interface and dead function of die cavity card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122527723.5U CN215921155U (en) | 2021-10-20 | 2021-10-20 | Injection mold with prevent to drip irrigation interface and dead function of die cavity card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215921155U true CN215921155U (en) | 2022-03-01 |
Family
ID=80405642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122527723.5U Expired - Fee Related CN215921155U (en) | 2021-10-20 | 2021-10-20 | Injection mold with prevent to drip irrigation interface and dead function of die cavity card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215921155U (en) |
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2021
- 2021-10-20 CN CN202122527723.5U patent/CN215921155U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220301 |