Injection mold for turbine
By opening a rubber-moving groove and casting channel on the second fixed formwork of the injection mold, the plastic is directly introduced into the cavity, which solves the material handle problem caused by traditional molds, and achieves the effect of product one-time molding and cost reduction.
Patent Information
- Application Number
- CN202420814660.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-04-17
AI Technical Summary
When traditional injection molds produce brushless DC motor turbines, the products mostly come with material handles, which require subsequent process trimming, which increases production costs.
Design an injection mold for turbines. By opening a rubber-moving groove on the surface of the second fixed formwork and opening a pouring channel through the second fixed formwork at the end of the rubber-moving groove, the plastic is directly introduced into the cavity in the moving mold kernel. In order to achieve one-time molding and avoid material handles.
The product is formed in one go without a material handle, saving plastic materials and reducing production costs.
Smart Images
Figure CN222346169U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of molds, in particular to an injection mold for a turbine. Background Art
[0002] The brushless DC motor consists of a motor body and a driver, and is a typical mechatronics product. Since the brushless DC motor operates in an automatic manner, it does not require an additional starting winding on the rotor like a synchronous motor that starts under heavy load under variable frequency speed regulation, nor does it produce oscillation and loss of step when the load changes suddenly. The turbine used in existing brushless motors requires an injection mold during production, and the traditional design of the injection mold often uses a straight-through gate for glue injection, and the multiple products produced often have material handles, but the material handles of the products must be trimmed off in the later process, which increases the production process and processing costs.
[0003] Based on the above situation, the utility model proposes an injection mold for a turbine, which can effectively solve the above problems. Utility Model Content
[0004] The utility model aims to provide an injection mold for a turbine. The utility model provides an injection mold for a turbine, which can directly introduce plastic into the cavity in the movable mold core by opening a plastic groove on the surface of the second fixed mold plate and opening a pouring channel that runs through the second fixed mold plate at the end of the plastic groove, so that the produced product can be molded in one step without a material handle, saving plastic materials and reducing production costs.
[0005] The utility model is realized by the following technical solutions:
[0006] An injection mold for a turbine, comprising:
[0007] A fixed mold assembly, the fixed mold assembly comprising a fixed mold base plate, a first fixed mold plate fixedly connected to the bottom of the fixed mold base plate, and a second fixed mold plate fixed to the bottom of the first fixed mold plate; a positioning ring is provided at the center of the fixed mold base plate, and a glue inlet pipe corresponding to the positioning ring is provided inside the fixed mold base plate and the first fixed mold plate; a plurality of mutually connected glue grooves are provided on the surface of the second fixed mold plate, and a casting channel penetrating the second fixed mold plate is provided at the end of the glue groove;
[0008] A movable mold assembly, the movable mold assembly includes a movable mold base plate, fixed blocks fixedly connected to both sides of the movable mold base plate, a first movable mold plate fixedly connected to the fixed blocks, and a second movable mold plate fixedly connected above the first movable mold plate, the two fixed blocks and the movable mold base plate and the first movable mold plate together enclose a receiving space, and an ejection mechanism is arranged in the receiving space; a movable mold core mounting block is arranged inside the second movable mold plate, and a movable mold core is installed inside the movable mold core mounting block; a plurality of cavities are arranged on the surface of the movable mold core, the cavities are opposite to the bottom of the pouring channel, and an embedding rod is arranged inside the cavities, and the embedding rod is fixedly connected to the movable mold base plate.
[0009] According to the above technical solution, as a further preferred technical solution of the above technical solution, the ejection mechanism includes an ejector push plate arranged on the movable mold base plate, a push plate fixing plate fixedly connected above the ejector push plate, and an ejector penetrating the push plate fixing plate and arranged toward the fixed mold assembly, the ejector is fixedly connected to the ejector push plate, and the embedded rod is sleeved inside the ejector.
[0010] According to the above technical solution, as a further preferred technical solution of the above technical solution, the ejection mechanism also includes a buffer unit, and the buffer unit includes a buffer rod and a spring sleeved on the buffer rod. There are four buffer rods and springs, which are evenly distributed on the four corners of the push plate fixing plate.
[0011] According to the above technical solution, as a further preferred technical solution of the above technical solution, the four corners of the fixed mold base plate are respectively fixedly connected with first guide columns that sequentially penetrate the fixed mold base plate, the first fixed mold plate, the second fixed mold plate, the second movable mold plate and the first movable mold plate, and the bottom of the first guide column is inserted into the interior of the fixed block; the first fixed mold plate is fixedly connected with a first guide sleeve that cooperates with the first guide column, and the second fixed mold plate is fixedly connected with a second guide sleeve that cooperates with the first guide column.
[0012] According to the above technical solution, as a further preferred technical solution of the above technical solution, the fixed block is also fixedly connected with a second guide column which sequentially passes through the first movable template, the second movable template and the second fixed template, the second fixed template is fixedly connected with a third guide sleeve which cooperates with the second guide column, and the second movable template is fixedly connected with a fourth guide sleeve which cooperates with the second guide column.
[0013] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0014] The utility model provides an injection mold for a turbine. A glue groove is provided on the surface of a second fixed mold plate, and a pouring channel penetrating the second fixed mold plate is provided at the end of the glue groove, so that plastic can be directly introduced into the cavity in the movable mold core, so that the produced product can be molded in one step without a material handle, thereby saving plastic materials and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the second fixed template of the utility model;
[0018] Figure 4 It is a schematic diagram of the structure of the movable mold core of the utility model. DETAILED DESCRIPTION
[0019] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments. However, it should be understood that the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for illustrative purposes and cannot be understood as a limitation on this patent.
[0020] An injection mold for a turbine, comprising:
[0021] A fixed mold assembly, the fixed mold assembly comprises a fixed mold base plate 1, a first fixed mold plate 2 fixedly connected to the bottom of the fixed mold base plate 1, and a second fixed mold plate 3 fixed to the bottom of the first fixed mold plate 2; a positioning ring 4 is provided at the center of the fixed mold base plate 1, and a glue inlet pipe 5 corresponding to the positioning ring 4 is provided inside the fixed mold base plate 1 and the first fixed mold plate 2; a plurality of mutually connected glue grooves 6 are provided on the surface of the second fixed mold plate 3, and a casting channel 7 penetrating the second fixed mold plate 3 is provided at the end of the glue groove 6;
[0022] A movable mold assembly, the movable mold assembly includes a movable mold base plate 8, fixed blocks 9 fixedly connected to both sides of the movable mold base plate 8, a first movable mold plate 10 fixedly connected to the fixed blocks 9, and a second movable mold plate 11 fixedly connected above the first movable mold plate 10, the two fixed blocks 9 and the movable mold base plate 8 and the first movable mold plate 10 together enclose a receiving space, and an ejection mechanism is arranged in the receiving space; a movable mold core mounting block 12 is arranged inside the second movable mold plate 11, and a movable mold core 13 is installed inside the movable mold core mounting block 12; a plurality of cavities 14 are arranged on the surface of the movable mold core 13, the cavities 14 are opposite to the bottom of the pouring channel 7, and an embedding rod 15 is arranged inside the cavities 14, and the embedding rod 15 is fixedly connected to the movable mold base plate 8.
[0023] The utility model provides a glue groove 6 on the surface of the second fixed mold plate 3, and a pouring channel 7 penetrating the second fixed mold plate 3 is provided at the end of the glue groove 6, so that plastic can be directly introduced into the cavity 14 in the movable mold core 13, so that the produced product can be molded in one step without a material handle, thereby saving plastic materials and reducing production costs.
[0024] Furthermore, in another embodiment, the ejection mechanism includes an ejector push plate 16 disposed on the movable mold base plate 8, a push plate fixing plate 17 fixedly connected above the ejector push plate 16, and an ejector 18 penetrating the push plate fixing plate 17 and disposed toward the fixed mold assembly, wherein the ejector 18 is fixedly connected to the ejector push plate 16, and the insert rod 15 is sleeved inside the ejector 18. By providing the ejection mechanism, after the mold is opened, the turbine in the cavity 14 can be ejected from the movable mold core 11, thereby overcoming the defect of difficult demoulding.
[0025] Furthermore, in another embodiment, the ejection mechanism further includes a buffer unit, which includes a buffer rod 19 and a spring 20 sleeved on the buffer rod 19. Four buffer rods 19 and springs 20 are provided and are evenly distributed on the four corners of the push plate fixing plate 17. With the arrangement of the buffer rods 19 and the springs 20, when the mold is closed, the bottom of the first movable plate 10 will press the spring 20 downward, and the buffer rod 19 will extend into the interior of the first movable plate 10. The elastic force of the spring 20 will reduce the pressure on the first movable plate 10, thereby extending the service life.
[0026] Further, in another embodiment, the four corners of the fixed mold base plate 1 are respectively fixedly connected with first guide pillars 21 that pass through the fixed mold base plate 1, the first fixed mold plate 2, the second fixed mold plate 3, the second movable mold plate 11 and the first movable mold plate 10 in sequence, and the bottom of the first guide pillar 21 is inserted into the interior of the fixed block 9; the first fixed mold plate 2 is fixedly connected with a first guide sleeve 22 that cooperates with the first guide pillar 21, and the second fixed mold plate 3 is fixedly connected with a second guide sleeve 23 that cooperates with the first guide pillar 21. When the mold is opened, the first guide pillar 21 is separated from the second movable mold plate 11, the first movable mold plate 10 and the fixed block 9, and the movable mold assembly is away from the fixed mold assembly. When the mold is closed, the first guide pillar 21 is inserted into the second movable mold plate 11, the first movable mold plate 10 and the fixed block 9; and the arrangement of the first guide sleeve 22 and the second guide sleeve 23 provides a guiding function for the disassembly and assembly of the first guide pillar 24 when the fixed mold assembly is disassembled.
[0027] Furthermore, in another embodiment, the fixed block 9 is also fixedly connected with a second guide post 24 that passes through the first movable plate 10, the second movable plate 11 and the second fixed plate 3 in sequence, the second fixed plate 3 is fixedly connected with a third guide sleeve 25 that cooperates with the second guide post 24, and the second movable plate 11 is fixedly connected with a fourth guide sleeve 26 that cooperates with the second guide post 24. When the mold is opened, the second guide post 24 is separated from the third guide sleeve 25 in the second fixed plate 3, and the movable mold assembly is away from the fixed mold assembly. When the mold is closed, the second guide post 24 penetrates into the third guide sleeve 25 in the second fixed plate 3, providing a guiding effect. The setting of the fourth guide sleeve 26 provides a guiding effect for the disassembly and assembly of the second guide post 24 when the movable mold assembly is disassembled.
[0028] According to the description and drawings of the present invention, those skilled in the art can easily manufacture or use an injection mold for a turbine of the present invention, and can produce the positive effects described in the present invention.
[0029] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in conjunction with the drawings and according to specific circumstances.
[0030] Unless otherwise specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0031] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.
Claims
1. An injection mold for a turbine, characterized in that: include: A fixed mold assembly, the fixed mold assembly comprising a fixed mold base plate (1), a first fixed mold plate (2) fixedly connected to the bottom of the fixed mold base plate (1), and a second fixed mold plate (3) fixed to the bottom of the first fixed mold plate (2); a positioning ring (4) is provided at the center of the fixed mold base plate (1), and a glue inlet pipe (5) corresponding to the positioning ring (4) is provided inside the fixed mold base plate (1) and the first fixed mold plate (2); a plurality of mutually connected glue grooves (6) are provided on the surface of the second fixed mold plate (3), and a casting channel (7) penetrating the second fixed mold plate (3) is provided at the end of the glue groove (6); A movable mold assembly, the movable mold assembly comprising a movable mold base plate (8), fixed blocks (9) fixedly connected to both sides of the movable mold base plate (8), a first movable mold plate (10) fixedly connected to the fixed blocks (9), and a second movable mold plate (11) fixedly connected above the first movable mold plate (10), the two fixed blocks (9) and the movable mold base plate (8) and the first movable mold plate (10) together enclose a receiving space, and an ejection mechanism is arranged in the receiving space; a movable mold core mounting block (12) is arranged inside the second movable mold plate (11), and a movable mold core (13) is installed inside the movable mold core mounting block (12); a plurality of cavities (14) are arranged on the surface of the movable mold core (13), the cavities (14) are directly opposite to the bottom of the pouring channel (7), and an embedding rod (15) is arranged inside the cavities (14), and the embedding rod (15) is fixedly connected to the movable mold base plate (8).
2. The injection mold for a turbine according to claim 1, characterized in that: The ejection mechanism comprises an ejector push plate (16) arranged on a movable mold base plate (8), a push plate fixing plate (17) fixedly connected above the ejector push plate (16), and an ejector (18) penetrating the push plate fixing plate (17) and arranged toward the fixed mold assembly, wherein the ejector (18) is fixedly connected to the ejector push plate (16), and the embedded rod (15) is sleeved inside the ejector (18).
3. The injection mold for a turbine according to claim 1, characterized in that: The ejection mechanism also includes a buffer unit, which includes a buffer rod (19) and a spring (20) sleeved on the buffer rod (19). Four buffer rods (19) and four springs (20) are provided and are evenly distributed on the four corners of the push plate fixing plate (17).
4. The injection mold for a turbine according to claim 1, characterized in that: The four corners of the fixed die plate (1) are respectively fixedly connected with first guide pillars (21) which sequentially penetrate the fixed die plate (1), the first fixed die plate (2), the second fixed die plate (3), the second movable die plate (11) and the first movable die plate (10), and the bottom of the first guide pillar (21) is inserted into the interior of the fixed block (9); the first fixed die plate (2) is fixedly connected with a first guide sleeve (22) which is matched with the first guide pillar (21), and the second fixed die plate (3) is fixedly connected with a second guide sleeve (23) which is matched with the first guide pillar (21).
5. The injection mold for a turbine according to claim 1, characterized in that: The fixed block (9) is also fixedly connected to a second guide column (24) which sequentially passes through the first movable plate (10), the second movable plate (11) and the second fixed plate (3); the second fixed plate (3) is fixedly connected to a third guide sleeve (25) which is matched with the second guide column (24); and the second movable plate (11) is fixedly connected to a fourth guide sleeve (26) which is matched with the second guide column (24).