Multifunctional workpiece injection mold

Abstract

The multifunctional workpiece injection mold comprises a base, hydraulic cylinders are arranged on the two sides of the upper portion of the base correspondingly, the hydraulic cylinders are fixedly connected with the base, telescopic rods are arranged on the upper portions of the hydraulic cylinders correspondingly, the inner walls of the hydraulic cylinders are sleeved with the telescopic rods, the telescopic rods are connected with the hydraulic cylinders, and a connecting rod is arranged on the upper portions of the telescopic rods; the two ends of the connecting rod are respectively provided with a connecting seat, the telescopic rod is connected with the connecting rod through the connecting seat, the bottom of the connecting rod is provided with a movable mold seat, the movable mold seat is fixedly connected with the connecting rod, the bottom of the movable mold seat is provided with a movable mold cavity in a connected mode, a base is arranged above the base, a damping spring is arranged in the base, and a fixed mold seat is arranged above the base. The base, the base and the fixed mold base are sequentially connected, a fixed mold cavity is formed in the inner wall of the upper portion of the fixed mold base, injection molding liquid in the cavity can be heated and then subjected to injection molding, the interior of the fixed mold cavity is subjected to heat dissipation through the multiple heat dissipation assemblies, and the production efficiency of workpieces is improved.

Description

Technical Field

[0001] The invention relates to the technical field of injection molds, in particular to a multifunctional workpiece injection mold. Background Art

[0002] Injection mold is a tool for producing plastic products; it is also a tool that gives plastic products a complete structure and precise dimensions. Injection mold is also a processing method used in mass production of parts, mainly used in the industrial field. The injection mold process is to inject the heated and molten material into the mold cavity by high pressure, and after cooling and solidification, a molded product is obtained; according to the molding characteristics, it is divided into thermosetting plastic mold and thermoplastic plastic mold. Injection molds can form multiple plastic parts with complex structures, precise dimensions and good internal quality at one time, so they have been widely used in the production of plastic products.

[0003] The current workpiece injection mold has a single structure, and the surface of the workpiece is prone to cracking and deformation after injection molding, which affects the production quality of the workpiece. Therefore, it is necessary to make improvements. Summary of the invention

[0004] The object of the present invention is to provide a multifunctional workpiece injection mold to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a multifunctional workpiece injection mold, comprising a base;

[0006] Hydraulic cylinders are respectively provided on both sides above the base, and the hydraulic cylinders are fixedly connected to the base;

[0007] A telescopic rod is provided above the hydraulic cylinder, the telescopic rod is sleeved on the inner wall of the hydraulic cylinder and connected to the hydraulic cylinder, a connecting rod is provided above the telescopic rod, and connecting seats are provided at both ends of the connecting rod, and the telescopic rod and the connecting rod are connected through the connecting seats;

[0008] A movable mold seat is provided at the bottom of the connecting rod, the movable mold seat is fixedly connected to the connecting rod, and a movable mold cavity is connected to the bottom of the movable mold seat;

[0009] A pedestal is provided above the base, and a shock absorbing spring is provided in the pedestal;

[0010] A fixed mold seat is arranged above the base, the base, the base and the fixed mold seat are connected in sequence, and a fixed mold cavity is arranged on the upper inner wall of the fixed mold seat.

[0011] Preferably, a cylinder is provided at the top of the connecting rod, a cavity is provided in the cylinder, a temperature sensor is provided in the cylinder, a feeding port is provided on one side of the top of the cavity, heating blocks are provided on both sides of the outer wall of the cavity, a stirring rod is provided on the inner wall of the cavity, a motor is provided at the top of the stirring rod, an injection port is provided at the bottom of the cavity, and the injection port runs through the connecting rod, the movable mold seat and the movable mold cavity.

[0012] Preferably, the stirring rod is vertically arranged on the outer side wall of the stirring rod, and an E-shaped blade is installed on the outer end of the stirring rod.

[0013] Preferably, inner walls at both ends of the bottom of the movable mold seat are respectively provided with positioning grooves, and both ends of the upper side of the fixed mold seat are respectively provided with positioning columns, and the positioning grooves correspond to the positions of the positioning columns.

[0014] Preferably, a cooling fan is provided on the inner side of each of the hydraulic cylinders, a temperature regulating channel is provided on the inner wall of the fixed mold base, and a condensing coil is provided on the inner wall of the temperature regulating channel.

[0015] Preferably, water spray outlets are respectively provided on both sides of the bottom of the connecting rod, and the water spray outlets are respectively arranged at both ends of the movable mold base, and the other ends of the water spray outlets are respectively connected to a water pump and a water tank through water pipes.

[0016] Preferably, a refrigeration plate is also installed on the bottom wall of the fixed mold cavity, the refrigeration plate adopts a double-layer structure, and the refrigeration plate is a semiconductor temperature difference refrigeration plate.

[0017] Preferably, a method for using a multifunctional workpiece injection mold comprises the following steps:

[0018] A. After the heating block is powered on, it starts to heat the injection molding liquid inside the cavity, and senses the temperature signal of the injection molding liquid through the temperature sensor;

[0019] B. Turn on the motor, the motor drives the stirring rod to rotate, and the stirring rod drives the E-type blade to rotate to evenly stir the injection liquid;

[0020] C. Control the hydraulic cylinder to work, and the hydraulic cylinder drives the telescopic rod to move downward, thereby driving the movable mold base to move downward;

[0021] D. After the movable mold seat contacts the fixed mold seat, an injection cavity is formed between the fixed mold cavity and the movable mold cavity, and the heated injection liquid is injected into the injection cavity through the injection port;

[0022] E. The injection liquid is cooled and molded in the injection cavity, and the cooling fan and the cooling plate evenly cool the mold in the injection cavity;

[0023] F. Then the mold is opened. After the mold is opened, water is sprayed on the mold surface through the water nozzle to quickly cool down the finished product to prevent it from deformation and cracking, thereby improving the quality of the finished product.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] (1) The heating block of the present invention starts to heat the injection molding liquid in the cavity after being powered on, and senses the temperature signal of the injection molding liquid through the temperature sensor to prevent the injection molding liquid from solidifying and causing blockage in a cold environment.

[0026] (2) The shock-absorbing spring provided in the present invention can reduce vibration during the injection molding process and avoid loosening of parts caused by long-term operation, thereby extending the service life of the device.

[0027] (3) The positioning groove and the positioning column provided in the present invention facilitate accurate positioning and fit of the device during injection molding, thereby avoiding displacement during injection molding.

[0028] (4) The cooling fan provided in the present invention can dissipate heat in the fixed mold cavity. The temperature adjustment channel and the condensing coil provided can ensure that the temperature changes at various locations in the fixed mold cavity are consistent during the injection molding process, thereby ensuring the quality of the finished product.

[0029] (5) The water spray outlet provided in the present invention can quickly cool down the finished product, thereby improving the quality of the finished product.

[0030] The above description is only an overview of the technical solution of the embodiment of the present application. In order to more clearly understand the technical means of the embodiment of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the embodiment of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present application, a brief introduction will be given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0033] Figure 2 This is the internal structure diagram of the fixed mold base of the present invention;

[0034] Figure 3 It is a schematic diagram of the structure inside the cavity of the present invention;

[0035] Figure 4 It is the work flow chart of the present invention;

[0036] In the figure: 1. base, 2. hydraulic cylinder, 3. telescopic rod, 4. connecting rod, 5. connecting seat, 6. movable mold seat, 7. movable mold cavity, 8. base, 9. shock-absorbing spring, 10. fixed mold seat, 11. fixed mold cavity, 12. cylinder, 13. cavity, 14. temperature sensor, 15. feed port, 16. heating block, 17. stirring rod, 18. motor, 19. injection port, 20. positioning groove, 21. positioning column, 22. cooling fan, 23. temperature adjustment channel, 24. condensing coil, 25. water spray port, 26. water pipe, 27. water pump, 28. water tank, 29. stirring rod, 30. E-type blade. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification, claims and drawings of this application are intended to cover non-exclusive inclusions.

[0039] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase "embodiments" in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0040] The directional words appearing in the following description are all directions shown in the drawings, and do not limit the specific structure of the present application. For example, in the description of the present application, the directions or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present application.

[0041] In addition, the expressions of indicated directions such as the X direction, the Y direction, and the Z direction used to illustrate the operation and construction of the components of the present embodiment are not absolute but relative, and although these indications are appropriate when the components are in the positions shown in the figures, when these positions change, these directions should be interpreted differently to correspond to the changes.

[0042] In addition, the terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects rather than to describe a specific order, and may explicitly or implicitly include one or more of the features.

[0043] In the description of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, the "connection" or "connection" of a mechanical structure may refer to a physical connection. For example, the physical connection may be a fixed connection, such as a fixed connection through a fixing member, such as a fixed connection through a screw, bolt or other fixing member; the physical connection may also be a detachable connection, such as a mutual snap-on or snap-fit ​​connection; the physical connection may also be an integral connection, such as a connection formed by welding, bonding or integral molding. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0044] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings.

[0045] See also Figure 1-4 , the present invention provides a technical solution: a multifunctional workpiece injection mold, comprising a base 1;

[0046] Hydraulic cylinders 2 are respectively provided on both sides above the base 1, and the hydraulic cylinders 2 are fixedly connected to the base 1;

[0047] A telescopic rod 3 is provided above the hydraulic cylinder 2. The telescopic rod 3 is sleeved on the inner wall of the hydraulic cylinder 2 and connected to the hydraulic cylinder 2. A connecting rod 4 is provided above the telescopic rod 3. Connecting seats 5 are provided at both ends of the connecting rod 4. The telescopic rod 3 and the connecting rod 4 are connected via the connecting seats 5.

[0048] A movable mold seat 6 is provided at the bottom of the connecting rod 4, and the movable mold seat 6 is fixedly connected to the connecting rod 4, and a movable mold cavity 7 is connected to the bottom of the movable mold seat 6;

[0049] A base 8 is provided above the base 1, and a shock-absorbing spring 9 is provided inside the base 8; the shock-absorbing spring provided in the present invention can reduce vibration during the injection molding process, avoid loosening of parts due to long-term operation, and thus extend the service life of the device.

[0050] A fixed mold seat 10 is disposed above the base 8 . The base 1 , the base 8 and the fixed mold seat 10 are connected in sequence. A fixed mold cavity 11 is disposed on the upper inner wall of the fixed mold seat 10 .

[0051] In this embodiment, a barrel 12 is provided at the top of the connecting rod 4, a cavity 13 is provided in the barrel 12, a temperature sensor 14 is provided in the barrel 12, a feeding port 15 is provided on one side of the top of the cavity 13, heating blocks 16 are provided on both sides of the outer wall of the cavity 13, a stirring rod 17 is provided on the inner wall of the cavity 13, a stirring rod 29 is vertically provided on the outer wall of the stirring rod 17, an E-shaped blade 30 is installed at the outer end of the stirring rod 29, which can realize uniform stirring of the injection liquid, a motor 18 is provided at the top of the stirring rod 17, an injection port 19 is provided at the bottom of the cavity 13, and the injection port 19 runs through the connecting rod 4, the movable mold seat 6 and the movable mold cavity 7. After the heating block 16 is energized, it starts to heat the injection liquid inside the cavity 13, and senses the temperature signal of the injection liquid through the temperature sensor 14 to avoid the injection liquid from solidifying in a cold environment and causing blockage.

[0052] In this embodiment, the inner walls at both ends of the bottom of the movable mold base 6 are respectively provided with positioning grooves 20, and the upper ends of the fixed mold base 10 are respectively provided with positioning columns 21. The positioning grooves 20 correspond to the positions of the positioning columns 21. The positioning grooves 20 and the positioning columns 21 are arranged so that the device can be positioned accurately during injection molding, thereby avoiding displacement during injection molding.

[0053] In this embodiment, a cooling fan 22 is provided on the inner side of the hydraulic cylinder 2, a temperature control channel 23 is provided on the inner wall of the fixed mold base 10, and a condensing coil 24 is provided on the inner wall of the temperature control channel 23. The cooling fan 22 can dissipate heat in the fixed mold cavity 11, and the temperature control channel 23 and the condensing coil 24 can ensure that the temperature changes in various parts of the fixed mold cavity are consistent during the injection molding process, thereby ensuring the quality of the finished product.

[0054] In this embodiment, water spray outlets 25 are respectively provided on both sides of the bottom of the connecting rod 4, and the water spray outlets 25 are respectively arranged at both ends of the movable mold base 6. The other ends of the water spray outlets 25 are respectively connected to a water pump 27 and a water tank 28 through water pipes 26. The water spray outlets 25 can quickly cool down the finished product that has been formed, thereby improving the quality of the finished product.

[0055] In addition, in this embodiment, a refrigeration plate 31 is installed on the bottom wall of the fixed mold cavity 11. The refrigeration plate 31 adopts a double-layer structure and is a semiconductor temperature difference refrigeration plate. The refrigeration plate can further play a role in cooling and lowering the temperature.

[0056] Working principle: A method for using a multifunctional workpiece injection mold includes the following steps:

[0057] A. After the heating block is powered on, it starts to heat the injection molding liquid inside the cavity, and senses the temperature signal of the injection molding liquid through the temperature sensor;

[0058] B. Turn on the motor, the motor drives the stirring rod to rotate, and the stirring rod drives the E-type blade to rotate to evenly stir the injection liquid;

[0059] C. Control the hydraulic cylinder to work, and the hydraulic cylinder drives the telescopic rod to move downward, thereby driving the movable mold base to move downward;

[0060] D. After the movable mold seat contacts the fixed mold seat, an injection cavity is formed between the fixed mold cavity and the movable mold cavity, and the heated injection liquid is injected into the injection cavity through the injection port;

[0061] E. The injection liquid is cooled and molded in the injection cavity, and the cooling fan and the cooling plate evenly cool the mold in the injection cavity;

[0062] F. Then the mold is opened. After the mold is opened, water is sprayed on the mold surface through the water nozzle to quickly cool down the finished product to prevent it from deformation and cracking, thereby improving the quality of the finished product.

[0063] In summary, the present invention can heat the injection liquid in the cavity before injection molding, and dissipate heat in the fixed mold cavity through multiple groups of heat dissipation components, thereby improving the production efficiency of the workpiece.

[0064] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A multifunctional workpiece injection mold, characterized in that: comprising a base (1); Hydraulic cylinders (2) are respectively provided on both sides above the base (1), and the hydraulic cylinders (2) are fixedly connected to the base (1); A telescopic rod (3) is provided above the hydraulic cylinder (2), the telescopic rod (3) is sleeved on the inner wall of the hydraulic cylinder (2) and connected to the hydraulic cylinder (2), a connecting rod (4) is provided above the telescopic rod (3), and connecting seats (5) are provided at both ends of the connecting rod (4), and the telescopic rod (3) and the connecting rod (4) are connected via the connecting seats (5); A movable mold seat (6) is provided at the bottom of the connecting rod (4), the movable mold seat (6) is fixedly connected to the connecting rod (4), and a movable mold cavity (7) is connected to the bottom of the movable mold seat (6); A base (8) is provided above the base (1), and a shock absorbing spring (9) is provided inside the base (8); A fixed mold seat (10) is arranged above the base (8); the base (1), the base (8) and the fixed mold seat (10) are connected in sequence; and a fixed mold cavity (11) is arranged on the upper inner wall of the fixed mold seat (10).

2. A multifunctional workpiece injection mold according to claim 1, characterized in that: A barrel (12) is provided at the top of the connecting rod (4), a cavity (13) is provided in the barrel (12), a temperature sensor (14) is provided in the barrel (12), a feed port (15) is provided on one side of the top of the cavity (13), heating blocks (16) are provided on both sides of the outer wall of the cavity (13), a stirring rod (17) is provided on the inner wall of the cavity (13), a motor (18) is provided at the top of the stirring rod (17), an injection port (19) is provided at the bottom of the cavity (13), and the injection port (19) runs through the connecting rod (4), the movable mold base (6) and the movable mold cavity (7).

3. A multifunctional workpiece injection mold according to claim 2, characterized in that: A stirring rod (29) is vertically arranged on the outer side wall of the stirring rod (17), and an E-shaped blade (30) is installed on the outer end of the stirring rod (29).

4. The multifunctional workpiece injection mold according to claim 1, characterized in that: The inner walls at both ends of the bottom of the movable mold seat (6) are respectively provided with positioning grooves (20), and the upper ends of the fixed mold seat (10) are respectively provided with positioning columns (21), and the positions of the positioning grooves (20) and the positioning columns (21) correspond to each other.

5. The multifunctional workpiece injection mold according to claim 1, characterized in that: A cooling fan (22) is provided on the inner side of each of the hydraulic cylinders (2), a temperature regulating channel (23) is provided on the inner wall of the fixed mold base (10), and a condensing coil (24) is provided on the inner wall of the temperature regulating channel (23).

6. The multifunctional workpiece injection mold according to claim 1, characterized in that: Water spray ports (25) are respectively provided on both sides of the bottom of the connecting rod (4), and the water spray ports (25) are respectively arranged at the two ends of the movable mold base (7), and the other ends of the water spray ports (25) are respectively connected to a water pump (27) and a water tank (28) through water pipes (26).

7. The multifunctional workpiece injection mold according to claim 1, characterized in that: A refrigeration plate (31) is also installed on the bottom wall of the fixed mold cavity (11); the refrigeration plate (31) has a double-layer structure and is a semiconductor temperature difference refrigeration plate.

8. A method for using the multifunctional workpiece injection mold according to claim 1, characterized in that: The method of use includes the following steps: A. After the heating block is powered on, it starts to heat the injection molding liquid inside the cavity, and senses the temperature signal of the injection molding liquid through the temperature sensor; B. Turn on the motor, the motor drives the stirring rod to rotate, and the stirring rod drives the E-type blade to rotate to evenly stir the injection liquid; C. Control the hydraulic cylinder to work, and the hydraulic cylinder drives the telescopic rod to move downward, thereby driving the movable mold base to move downward; D. After the movable mold seat contacts the fixed mold seat, an injection cavity is formed between the fixed mold cavity and the movable mold cavity, and the heated injection liquid is injected into the injection cavity through the injection port; E. The injection liquid is cooled and molded in the injection cavity, and the cooling fan and the cooling plate evenly cool the mold in the injection cavity; F. Then the mold is opened. After the mold is opened, water is sprayed on the mold surface through the water nozzle to quickly cool down the finished product to prevent it from deformation and cracking, thereby improving the quality of the finished product.

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