CN216373201U - Injection mold with quick cooling structure and convenient demoulding - Google Patents
Injection mold with quick cooling structure and convenient demoulding Download PDFInfo
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- CN216373201U CN216373201U CN202122443999.5U CN202122443999U CN216373201U CN 216373201 U CN216373201 U CN 216373201U CN 202122443999 U CN202122443999 U CN 202122443999U CN 216373201 U CN216373201 U CN 216373201U
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Abstract
The utility model discloses an injection mold with a rapid cooling structure and convenient demolding, which comprises a fixing plate, wherein the fixing plate is mainly used for fixing the mold, a flow cavity is arranged in the middle of the upper surface of a mold core, a mounting frame is arranged in the mold core, oil injection pipes are arranged on two sides of an ejector rod, one end of each oil injection pipe is arranged on the lower surface of the flow cavity, one end of each water injection pipe is embedded into one side of the mold core, one end of each water injection pipe is connected with a water well, the lower end of each water well is connected with one end of a cooling cylinder, the cooling cylinder is arranged on the outer surface of the mounting frame, the lower end of a threaded rod is connected with a motor, a sleeve is fixed on the lower surface of the mold core, and the sleeve is arranged on the outer surface of the threaded rod. This injection mold with quick cooling structure just makes things convenient for drawing of patterns through neotype quick cooling structure and ejecting structure to and the problem of bad drawing of patterns is avoided to the method of inside oiling, and makes the cooling that the work piece can be faster of moulding plastics.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection mold which has a quick cooling structure and is convenient to demold.
Background
The injection mold is a tool for producing plastic products, and injection molding is a processing method used for mass production of parts with complex shapes. The method specifically comprises the steps of injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, cooling and solidifying to obtain a formed product, wherein the demolding of a rubber part is the last link in the injection molding process, the quality of the demolding is determined finally, the quality of the rubber part is determined, the poor demolding has great influence on the quality of an injection molded product, and the surface of the product is possibly scratched or patterned due to the poor mild demolding; severe mold release failure can result in product buckling deformation and even breakage damage. Therefore, the problem that the injection molding and demolding are bad is solved, the quality of a final injection molding product is influenced, for an injection molding workpiece, the surface temperature of the injection molding workpiece is high after mold opening, manual demolding is difficult to carry out, cooling treatment needs to be carried out, the existing cooling treatment structure needs to be improved, if the injection molding workpiece is cooled and then demolded, the injection molding workpiece is easily wrapped outside a mold core due to expansion with heat and contraction with cold, the demolding difficulty is further increased, and the production efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an injection mold with a quick cooling structure and convenient demolding, and aims to solve the problems that the demolding is poor easily, the efficient and quick cooling cannot be realized, and the demolding difficulty is increased because an injection molding workpiece is wrapped outside a mold core more tightly when the injection molding workpiece is cooled, which are provided by the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: an injection mold with a rapid cooling structure and convenient demolding comprises a fixing plate, wherein the fixing plate is mainly used for fixing the mold, the center of the surface of the fixing plate is penetrated by one end of an injection molding pipe, the lower surface of the fixing plate is connected with a fixed mold plate, and one end of the injection molding pipe penetrates into the fixed mold plate;
the mold core is mainly used for molding the shape of an injection molding workpiece, a flow cavity is arranged in the middle of the upper surface of the mold core, a mounting frame is mounted below the flow cavity, the mounting frame is arranged inside the mold core, the lower surfaces of two sides of the flow cavity and the lower surface of the center of the flow cavity are provided with one end of a mandril, the two sides of the mandril at the center are provided with oil injection pipes, and one end of each oil injection pipe is arranged on the lower surface of the flow cavity;
the water injection pipe is mainly used for injecting cooling water, one end of the water injection pipe is embedded into one side of the mold core, one end of the water injection pipe is connected with one water well, 2 water wells are arranged on two sides of the mold core respectively, the lower end of each water well is connected with one end of a cooling cylinder, the cooling cylinder is arranged on the outer surface of the mounting frame, the other end of the cooling cylinder is connected with another water well, the upper end of the other water well is connected with a water outlet pipe, and one end of the water outlet pipe penetrates out of one side of the mold core;
the upper end of the threaded rod is embedded into the lower surface of the fixed die plate, the lower end of the threaded rod is embedded into the upper surface of the supporting plate, the lower end of the threaded rod is connected with a motor, the motor is embedded and mounted inside the supporting plate, the other end of the ejector rod is mounted on the upper surface of the supporting plate, the other end of the oil injection pipe penetrates through the supporting plate, the upper portion of the threaded rod penetrates through two sides of the die core, a sleeve is fixed to the lower surface of the die core and arranged on the outer surface of the threaded rod, a sliding rod is mounted on the lower surface of the die core and penetrates through the supporting plate, a damping spring is arranged on the outer surface of the sliding rod, and the damping spring is arranged above the supporting plate.
By adopting the technical scheme, the injection molding workpiece can be rapidly cooled, and silicone oil can be injected into the contact surface of the injection molding workpiece and the mold core through the oil injection pipe after cooling, so that the demolding of the injection molding workpiece is easier.
Preferably, the injection molding pipe adopts a point sprue, and a flow port of the injection molding pipe and a flow port of the oil injection pipe are both conical.
By adopting the technical scheme, the material flow speed can be effectively controlled, the residual trace after the sprue is removed is small, the appearance of a plastic part is not influenced, the sprue can be automatically broken when the mold is opened, the automatic operation is facilitated, and the backflow can be prevented.
Preferably, the shape of the lower surface of the fixed die plate is consistent with the shape of a workpiece needing injection molding, and a groove is formed in the outer ring of the lower surface of the fixed die plate.
By adopting the technical scheme, the interior of the injection molding workpiece can be molded.
Preferably, the shape of the upper surface of the mold core is consistent with the shape of a workpiece to be injection-molded, the outer ring of the upper surface of the mold core is provided with a guide block, and the shape of the groove is consistent with the shape of the guide block.
By adopting the technical scheme, the outer part of the injection molding workpiece can be molded, and the fixed mold plate and the mold core can be combined in the correct position.
Preferably, the water well is formed by connecting and combining a plurality of horizontal or vertical water pipes and is in a shape of a 'well'.
By adopting the technical scheme, the cooling water can rapidly pass through and surround the two sides of the injection molding workpiece, so that the two sides of the injection molding workpiece can be rapidly cooled.
Preferably, the cooling cylinder is formed by a water pipe which is surrounded from the bottom end of the mounting frame to the top end of the mounting frame and is vertically downward from the top end of the mounting frame.
By adopting the technical scheme, the cylindrical structure in the middle of the injection molding workpiece can be rapidly and uniformly cooled.
Preferably, the sleeve is internally threaded and the threads form a threaded engagement with the threaded rod.
By adopting the technical scheme, the mold core can move up and down, and the injection molding workpiece can be ejected quickly by the ejector rod.
Compared with the prior art, the utility model has the beneficial effects that: this injection mold with quick cooling structure just makes things convenient for the drawing of patterns:
1. the mould is provided with a rapid cooling structure below an injection molding workpiece, the rapid cooling structure consists of a water injection pipe, a water well, a cooling cylinder and a water outlet pipe, the 'well' -shaped structure of the water well enables cooling water to rapidly pass through two sides of the injection molding workpiece and rapidly cool the injection molding workpiece, and the winding structure of the cooling cylinder enables the internal structure of the injection molding workpiece to be uniformly cooled, so that the cooling speed of the whole injection molding workpiece is accelerated, and the efficiency is improved;
2. the mold is provided with an ejection structure below a mold core, the ejection structure firstly enables the whole mold core to move downwards through the operation of a motor, a fixed mold plate and the mold core are separated, a support plate keeps a fixed state, and then 3 ejector rods fixedly arranged on the support plate eject an injection molding workpiece in a flow cavity outwards;
3. this mould is provided with 2 oiling pipes in the below of flowing chamber center department, and the other end of this oiling pipe is connected outside the mould, can let silicon oil permeate into the work piece of moulding plastics and flow the contact surface between the chamber through injecting into silicon oil to oiling pipe inside, makes the drawing of patterns of the work piece of moulding plastics more convenient to the material mouth that flows of oiling pipe sets up to coniform, makes things convenient for control flow oil speed.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front sectional view of the present invention;
FIG. 3 is a schematic view of the overall structure of the present invention;
fig. 4 is a schematic view of the installation structure of the water well of the present invention.
In the figure: 1. a fixing plate; 2. injection molding a tube; 3. fixing a template; 4. a guide block; 5. a mold core; 6. a flow lumen; 7. a mounting frame; 8. a top rod; 9. an oil filling pipe; 10. a water injection pipe; 11. a water well; 12. a cooling cylinder; 13. a water outlet pipe; 14. a threaded rod; 15. a sleeve; 16. an electric motor; 17. a support plate; 18. a slide bar; 19. a shock absorbing 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. 1-4, the present invention provides a technical solution: an injection mold with a rapid cooling structure and convenient demolding comprises a fixing plate 1, an injection molding pipe 2, a fixed mold plate 3, a guide block 4, a mold core 5, a flow cavity 6, a mounting frame 7, a mandril 8, an oil injection pipe 9, a water injection pipe 10, a water well 11, a cooling cylinder 12, a water outlet pipe 13, a threaded rod 14, a sleeve 15, a motor 16, a support plate 17, a slide rod 18 and a damping spring 19.
The fixed plate 1 is mainly used for fixing a mold, one end of an injection molding pipe 2 penetrates through the center of the surface of the fixed plate 1, the injection molding pipe 2 adopts a point gate, a material flowing port of the injection molding pipe 2 is conical, the lower surface of the fixed plate 1 is connected with a fixed template 3, the shape of the lower surface of the fixed template 3 is consistent with that of a workpiece needing injection molding, a groove is formed in the outer ring of the lower surface of the fixed template 3, and one end of the injection molding pipe 2 penetrates into the fixed template 3;
the mold core 5 is mainly used for molding the shape of an injection molding workpiece, the shape of the upper surface of the mold core 5 is consistent with that of the injection molding workpiece, a guide block 4 is arranged on the outer ring of the upper surface of the mold core 5, the shape of a groove is consistent with that of the guide block 4, a flow cavity 6 is arranged in the middle of the upper surface of the mold core 5, a mounting frame 7 is arranged below the flow cavity 6, the mounting frame 7 is arranged inside the mold core 5, one end of a mandril 8 is arranged on the lower surfaces of two sides of the flow cavity 6 and the lower surface of the center of the flow cavity 6, oil injection pipes 9 are arranged on two sides of the mandril 8 in the center, a flow port of each oil injection pipe 9 is conical, and one end of each oil injection pipe 9 is arranged on the lower surface of the flow cavity 6;
when the mould is used, the mould core 5 and the fixed mould plate 3 are jointed together through the groove and the guide block 4, so that the fixed mould plate 3 and the mould core 5 are jointed in correct positions, then the thermoplastic solution is injected into the flow inlet cavity 6 through the injection pipe 2 for shaping, the thermoplastic workpiece needs to be demoulded and taken out after shaping, and the thermoplastic workpiece can be more tightly wrapped outside the mould core after being cooled and is not easy to demould, so that trace silicone oil can be injected between the contact surface of the injection workpiece and the flow cavity 6 through the injection pipe 9, and then the injection workpiece in the flow cavity 6 is ejected through the ejector rod 8, so that the thermoplastic workpiece is more convenient to demould and is not easy to damage;
a water injection pipe 10, which is mainly used for injecting cooling water, one end of the water injection pipe 10 is embedded into one side of the mold core 5, one end of the water injection pipe 10 is connected with a water well 11, the water well 11 is formed by cross-connecting and combining a plurality of horizontal or vertical water pipes and is in a shape of a Chinese character 'jing', 2 water wells 11 are arranged on two sides of the mold core 5 respectively, the lower end of the water well 11 is connected with one end of a cooling cylinder 12, the cooling cylinder 12 is formed by surrounding one water pipe to the top end of the mounting frame 7 from the bottom end of the mounting frame 7 and then vertically downwards from the top end of the mounting frame 7, the cooling cylinder 12 is arranged on the outer surface of the mounting frame 7, the other end of the cooling cylinder 12 is connected with another water well 11, the upper end of another water well 11 is connected with a water outlet pipe 13, and one end of the water outlet pipe 13 penetrates through one side of the mold core 5;
a threaded rod 14, which is mainly used for lifting the movable mould, the upper end of the threaded rod 14 is embedded in the lower surface of the fixed mould plate 3, the lower end of the threaded rod 14 is embedded in the upper surface of the supporting plate 17, and the lower end of the threaded rod 14 is connected with a motor 16, the motor 16 is embedded and installed in the supporting plate 17, the other end of the ejector rod 8 is installed on the upper surface of the supporting plate 17, the other end of the oil filling pipe 9 penetrates out of the supporting plate 17, the upper part of the threaded rod 14 penetrates through the two sides of the mold core 5, and a sleeve 15 is fixed to the lower surface of the mold core 5, and the sleeve 15 is provided on the outer surface of the threaded rod 14, and the inside of the sleeve 15 is provided with threads, and the thread of the mould core is in thread engagement connection with the threaded rod 14, the lower surface of the mould core 5 is provided with a slide rod 18, the sliding rod 18 penetrates through the supporting plate 17, a damping spring 19 is arranged on the outer surface of the sliding rod 18, and the damping spring 19 is arranged above the supporting plate 17;
when the mould is used, firstly, the motor 16 starts to operate, the motor 16 drives the threaded rod 14 to rotate, the sleeve 15 on the outer surface of the threaded rod 14 moves upwards until the fixed mould plate 3 and the mould core 5 are jointed, then the thermoplastic solution enters the flow cavity 6, after the thermoplastic solution is filled, cooling water is injected into the water injection pipe 10, the cooling water can enter the upper end of the water well 11 on one side through the water injection pipe 10, then reaches the lower end of the water well 11 through other connected water pipes, one side of an injection molding workpiece is uniformly and rapidly cooled, then the cooling water flows into the cooling cylinder 12, climbs to the top end of the mounting frame 7 from the bottom of the mounting frame 7, the inside of the injection molding workpiece is uniformly cooled, then the cooling water flows through the water well 11 on the other side through the vertical water pipe, the other side of the injection molding workpiece is rapidly cooled, and finally the cooling water flows out through the water outlet pipe 13, and after cooling, demolding is carried out, the sleeve 15 is moved downwards through reverse operation of the motor 16, the ejector rod 8 fixed on the supporting plate 17 can eject the injection molding workpiece in the flow cavity 6 to complete demolding, the sliding rod 18 can play a role in stabilizing the mold core 5, and the demolding process is more scientific and safer through the damping spring 19.
The working principle is as follows: when using this injection mold who has quick cooling structure and make things convenient for the drawing of patterns, be provided with a quick cooling structure in the below of the work piece of moulding plastics, the work piece of moulding plastics is evenly cooled off through the messenger that pours into the cooling water that can be quick, improve the cooling rate of the work piece of moulding plastics, and this mould is provided with an ejecting structure in the below of mold core, let silicon oil infiltration advance the work piece of moulding plastics and flow the contact surface between the chamber through the oiling pipe before ejecting, it is more convenient to make the drawing of patterns of the work piece of moulding plastics, it is outwards ejecting to flow the work piece of moulding plastics of intracavity through 3 ejector pins of fixed mounting on the bearing plate, whole practicality has been increased.
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 (7)
1. The utility model provides an injection mold with quick cooling structure just makes things convenient for drawing of patterns which characterized in that includes:
the fixing plate (1) is mainly used for fixing a mold, one end of an injection molding pipe (2) penetrates through the center of the surface of the fixing plate (1), a fixed mold plate (3) is connected to the lower surface of the fixing plate (1), and one end of the injection molding pipe (2) penetrates into the fixed mold plate (3);
the mold core (5) is mainly used for shaping the shape of an injection molding workpiece, a flow cavity (6) is arranged in the middle of the upper surface of the mold core (5), a mounting frame (7) is arranged below the flow cavity (6), the mounting frame (7) is arranged inside the mold core (5), one end of a push rod (8) is arranged on the lower surfaces of two sides of the flow cavity (6) and the lower surface of the center of the flow cavity (6), an oil filling pipe (9) is arranged on two sides of the push rod (8) in the center, and one end of the oil filling pipe (9) is arranged on the lower surface of the flow cavity (6);
the water injection pipe (10) is mainly used for injecting cooling water, one end of the water injection pipe (10) is embedded into one side of the mold core (5), one end of the water injection pipe (10) is connected with one water well (11), the water wells (11) are arranged in 2 numbers and are respectively arranged on two sides of the mold core (5), the lower end of the water well (11) is connected with one end of a cooling cylinder (12), the cooling cylinder (12) is arranged on the outer surface of the mounting frame (7), the other end of the cooling cylinder (12) is connected with the other water well (11), the upper end of the other water well (11) is connected with a water outlet pipe (13), and one end of the water outlet pipe (13) penetrates out of one side of the mold core (5);
the threaded rod (14) is mainly used for lifting the movable die, the upper end of the threaded rod (14) is embedded into the lower surface of the fixed die plate (3), the lower end of the threaded rod (14) is embedded into the upper surface of the supporting plate (17), the lower end of the threaded rod (14) is connected with a motor (16), the motor (16) is embedded into the supporting plate (17), the other end of the ejector rod (8) is installed on the upper surface of the supporting plate (17), the other end of the oil injection pipe (9) penetrates through the supporting plate (17), the upper portion of the threaded rod (14) penetrates through two sides of the die core (5), a sleeve (15) is fixed on the lower surface of the die core (5), the sleeve (15) is arranged on the outer surface of the threaded rod (14), a sliding rod (18) is installed on the lower surface of the die core (5), and the sliding rod (18) penetrates out of the supporting plate (17), the outer surface of the slide rod (18) is provided with a damping spring (19), and the damping spring (19) is arranged above the support plate (17).
2. The injection mold with the rapid cooling structure and the convenient demolding according to claim 1, wherein: the injection molding pipe (2) adopts a point sprue, and a flow port of the injection molding pipe (2) and a flow port of the oil injection pipe (9) are conical.
3. The injection mold with the rapid cooling structure and the convenient demolding according to claim 1, wherein: the shape of the lower surface of the fixed die plate (3) is consistent with that of a workpiece needing injection molding, and grooves are formed in the outer ring of the lower surface of the fixed die plate (3).
4. The injection mold with the rapid cooling structure and the convenient demolding according to claim 1, wherein: the shape of the upper surface of the mold core (5) is consistent with that of a workpiece needing injection molding, a guide block (4) is arranged on the outer ring of the upper surface of the mold core (5), and the shape of the groove is consistent with that of the guide block (4).
5. The injection mold with the rapid cooling structure and the convenient demolding according to claim 1, wherein: the water well (11) is formed by connecting and combining a plurality of horizontal or vertical water pipes and is shaped like a Chinese character 'jing'.
6. The injection mold with the rapid cooling structure and the convenient demolding according to claim 1, wherein: the cooling cylinder (12) is formed by a water pipe which is encircled from the bottom end of the mounting frame (7) to the top end of the mounting frame (7) and then vertically downwards from the top end of the mounting frame (7).
7. The injection mold with the rapid cooling structure and the convenient demolding according to claim 1, wherein: the interior of the sleeve (15) is provided with a thread, and the thread forms a thread engagement connection with the threaded rod (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122443999.5U CN216373201U (en) | 2021-10-11 | 2021-10-11 | Injection mold with quick cooling structure and convenient demoulding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122443999.5U CN216373201U (en) | 2021-10-11 | 2021-10-11 | Injection mold with quick cooling structure and convenient demoulding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216373201U true CN216373201U (en) | 2022-04-26 |
Family
ID=81243369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122443999.5U Active CN216373201U (en) | 2021-10-11 | 2021-10-11 | Injection mold with quick cooling structure and convenient demoulding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216373201U (en) |
-
2021
- 2021-10-11 CN CN202122443999.5U patent/CN216373201U/en active Active
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