Powder injection mechanism with anti-blocking structure
By designing a powder injection mechanism with anti-blocking structure, the problem of air introduction in the processing of soft magnetic parts of the solenoid valve is solved, the full mixing of materials and air extraction is achieved, and the molding quality and injection effect of the product are improved.
Patent Information
- Application Number
- CN202422297001.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-09-20
AI Technical Summary
During the processing of soft magnetic parts of solenoid valves, air may be introduced when the adhesive and soft magnetic powder are mixed, affecting the mixing effect and product molding quality.
A powder injection mechanism with an anti-blocking structure is designed, including a driving mechanism, agitating mechanism, an air extraction mechanism and a transmission column. The limiting column and gear meshing are driven by the rotating member to achieve full mixing of materials and air extraction to avoid blockage.
It realizes full mixing of materials and exhausts air, improves product molding quality and injection effect, avoids clogging problems, and improves product molding quality.
Smart Images
Figure CN223287957U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of solenoid valve soft magnetic parts processing, in particular to a powder injection mechanism with an anti-blocking structure. Background Art
[0002] Solenoid valve switches are widely used in the field of automation. MIM is metal powder injection molding, a new type of powder metallurgy near-net forming technology, which is extended from the plastic injection molding industry. The MIM process has unique advantages in preparing near-net-shaped parts with complex geometric shapes, uniform organizational structures and excellent performance. It can realize the integrated manufacturing of parts made of different materials, and has the characteristics of wide material adaptability, high degree of automation and high degree of batch production. At present, the MIM process has become a new type of "near-net forming" technology with rapid development and great prospects in the international powder metallurgy field. It is internationally known as "today's most popular component forming technology". Globally, the MIM process has also been widely used in many fields such as automobiles, electronic products, medical devices, and consumer products.
[0003] In the existing technology, during the processing of solenoid valve soft magnetic parts, the binder and soft magnetic powder are first mixed and fed, and then the material is injected into the clamping device through an injection mechanism for molding. During the mixing and feeding process of the binder and soft magnetic powder, air may be dissolved in the material, affecting the mixing effect, and may affect the effect of material injection, and further may affect the quality of the product after molding.
[0004] For this purpose, a powder injection mechanism with an anti-blocking structure is proposed. Utility Model Content
[0005] The purpose of the present invention is to solve the problems raised in the above background technology, and to provide a powder injection mechanism with an anti-blocking structure.
[0006] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:
[0007] A powder injection mechanism with an anti-blocking structure includes a fixed ring, a mounting plate is provided on the surface of the fixed ring, a transition cylinder is provided inside the fixed ring, an injection tube is provided on the transition cylinder, a cylinder cover is provided on the top of the transition cylinder, a feeding tube is provided on the cylinder cover, a driving mechanism for providing rotational power is provided on the cylinder cover, and the driving mechanism is provided inside the transition cylinder, a stirring mechanism for stirring and mixing materials is provided on the driving mechanism, and the stirring mechanism is provided inside the transition cylinder, a transmission column is provided on the stirring mechanism, and an exhaust mechanism for extracting air overflowing from the material is provided on the cylinder cover.
[0008] Furthermore, the driving mechanism includes a rotating member, which is rotatably mounted on the cylinder cover and the inner wall of the transition cylinder. A motor is mounted on the top of the rotating member, and the motor is mounted on the surface of the cylinder cover.
[0009] Furthermore, a gear ring is installed on the inner wall of the transition cylinder, and the gear ring is located above the rotating member. Two limiting columns are rotatably installed on the rotating member. Gears are installed on the tops of the two limiting columns, and the two gears are engaged with the gear ring.
[0010] Furthermore, the stirring mechanism includes two stirring rods 1, which are respectively installed under two limit columns. A stirring rod 3 is installed at the bottom of the rotating part, and a transmission column is installed at the bottom of the stirring rod 3. The transmission column is rotatably installed inside the injection tube.
[0011] Furthermore, two scrapers are installed on the surfaces of the two stirring rods, and the scrapers are in contact with the transition cylinder.
[0012] Furthermore, the air extraction mechanism includes an exhaust fan, which is installed on the top of the cylinder cover. An air duct is provided on the exhaust fan, and the air duct is provided on the cylinder cover.
[0013] The beneficial effects of the utility model are as follows:
[0014] The utility model is provided with a gear ring, a rotating disk and an exhaust fan. When in use, the material enters the transition cylinder through the feeding pipe, the motor is started, and the rotating part is driven to rotate circumferentially in the transition cylinder, driving the two limit columns and the two gears to rotate accordingly. Under the action of the gear ring, the two gears and the two limit columns can be rotated, driving the stirring rod three and the two stirring rod ones to rotate, and the two stirring rod ones rotate while rotating in a circular motion, and the rotation direction is opposite to that of the stirring rod three, so that the material is fully mixed. The scraper is provided to scrape and clean the material sticking to the inner wall of the transition cylinder, and the transmission column can avoid the problem of blockage during material injection. With the cooperation of the exhaust fan and the air duct, the air overflowed by the stirring of the material in the transition cylinder can be extracted, and the mixed material will be transmitted to the outside by the transmission column and injected into the clamping device for molding, thereby achieving full mixing of the material and exhausting the air in the material, improving the material injection effect and the quality of the product after molding. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the exploded structure of the utility model;
[0017] Figure 3 It is a structural schematic diagram of the gear ring of the present utility model;
[0018] Figure 4 It is a structural schematic diagram of the limiting column of the utility model.
[0019] Figure numerals: 1, fixing ring; 2, mounting plate; 3, transition cylinder; 4, injection tube; 5, cylinder cover; 6, feeding tube; 7, driving mechanism; 701, gear ring; 702, rotating part; 703, limiting column; 704, gear; 705, motor; 8, stirring mechanism; 801, stirring rod 1; 802, scraper; 803, stirring rod 3; 9, transmission column; 10, exhaust mechanism; 1001, exhaust fan; 1002, air duct DETAILED DESCRIPTION
[0020] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.
[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.
[0022] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. In addition, the terms "first," "second," etc. are used only to distinguish the descriptions and should not be understood as indicating or implying relative importance.
[0023] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device that performs control such as a computer.
[0024] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the present invention is usually placed when in use. They 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 operated in a specific orientation. Therefore, they cannot be understood as a limitation on the present invention.
[0025] like Figure 1-3As shown, a powder injection mechanism with an anti-blocking structure includes a fixing ring 1, a mounting plate 2 is provided on the surface of the fixing ring 1, a transition cylinder 3 is provided inside the fixing ring 1, an injection tube 4 is provided on the transition cylinder 3, a cylinder cover 5 is provided on the top of the transition cylinder 3, a feeding tube 6 is provided on the cylinder cover 5, a driving mechanism 7 for providing rotational power is provided on the cylinder cover 5, and the driving mechanism 7 is provided inside the transition cylinder 3, a stirring mechanism 8 for stirring and mixing the materials is provided on the driving mechanism 7, and the stirring mechanism 8 is provided inside the transition cylinder 3, a transmission column 9 is provided on the stirring mechanism 8, and a useful The exhaust mechanism 10 is used to extract the air overflowing from the material. In this embodiment, when in use, the material enters the transition tube 3 through the feeding pipe 6, and the driving mechanism 7 is started to drive the stirring mechanism 8 to stir and mix the material fully, so that the air carried by the material feeding process overflows, and then the air is exhausted by the exhaust mechanism 10 to improve the material mixing quality, and then the material is injected into the clamping device through the transmission column 9 for molding. The transmission column 9 can avoid the problem of blockage during material injection, thereby achieving full mixing of the material and exhausting the air in the material, improving the material injection effect and the quality of the product after molding.
[0026] like Figure 1-3 As shown, the driving mechanism 7 includes a rotating member 702, which is rotatably mounted on the cylinder cover 5 and rotatably mounted on the inner wall of the transition cylinder 3. A motor 705 is mounted on the top of the rotating member 702, and the motor 705 is mounted on the surface of the cylinder cover 5. In this embodiment, by starting the motor 705, the rotating member 702 is driven to rotate in a circle within the transition cylinder 3, and the rotating member 702 is provided with two openings, which does not affect the loading of materials into the transition cylinder 3.
[0027] like Figure 2-3 As shown, a gear ring 701 is installed on the inner wall of the transition cylinder 3, and the gear ring 701 is located above the rotating member 702. Two limiting columns 703 are rotatably installed on the rotating member 702. Gears 704 are installed on the tops of the two limiting columns 703, and the two gears 704 are meshed with the gear ring 701. In this embodiment, when the rotating member 702 rotates, the two limiting columns 703 and the two gears 704 are driven to rotate accordingly, and under the action of the gear ring 701, the two gears 704 and the two limiting columns 703 can be rotated, so that the two limiting columns 703 can rotate in a circular direction and can rotate in the opposite direction to the rotation direction of the rotating member 702.
[0028] like Figure 2-3As shown, the stirring mechanism 8 includes two stirring rods 801, and the two stirring rods 801 are respectively installed under the two limiting columns 703. The stirring rod 3 803 is installed at the bottom of the rotating member 702, and the transmission column 9 is installed at the bottom of the stirring rod 3 803. The transmission column 9 is rotatably installed inside the injection tube 4. In this embodiment, when the rotating member 702 and the two limiting columns 703 are passed, the stirring rod 3 803 and the two stirring rods 801 are driven to rotate, and the two stirring rods 801 rotate while rotating in a circle, and the rotation direction is opposite to that of the stirring rod 3 803, so that the materials are fully mixed, and the mixed materials will be transmitted to the outside by the transmission column 9.
[0029] like Figure 3 As shown, two scrapers 802 are installed on the surface of the two stirring rods 801, and the scrapers 802 are in contact with the transition tube 3. In this embodiment, the scrapers 802 can be used to scrape and clean the material stuck on the inner wall of the transition tube 3.
[0030] like Figure 1-2 As shown, the exhaust mechanism 10 includes an exhaust fan 1001, which is installed on the top of the cylinder cover 5. The exhaust fan 1001 is provided with an air duct 1002, and the air duct 1002 is provided on the cylinder cover 5. In this embodiment, the air overflowed by the stirring of the material in the transition cylinder 3 can be extracted through the cooperation of the exhaust fan 1001 and the air duct 1002.
[0031] In summary, when in use, the material enters the transition barrel 3 through the feeding pipe 6, the driving mechanism 7 is started, and the stirring mechanism 8 is driven to stir and mix the material fully, so that the air carried by the material feeding process overflows, and then the air is exhausted by the exhaust mechanism 10 to improve the material mixing quality, and the material is injected into the clamping device through the transmission column 9 for molding. The transmission column 9 can avoid the problem of blockage during material injection, thereby achieving full mixing of the material and exhausting the air in the material, improving the material injection effect and the quality of the product after molding. By starting the motor 705, the rotating part 702 is driven to rotate in a circle in the transition barrel 3, and the rotating part 702 is provided with two openings, which will not affect the feeding of the transition barrel 3. When the rotating part 702 rotates, it drives the two limit columns 703 and the two The gear 704 rotates accordingly, and under the action of the ring gear 701, the two gears 704 and the two limiting columns 703 can be rotated, so that the two limiting columns 703 can rotate in a circular direction and can rotate in the opposite direction to the rotation direction of the rotating part 702. When passing through the rotating part 702 and the two limiting columns 703, the stirring rod three 803 and the two stirring rods one 801 are driven to rotate, and the two stirring rods one 801 rotate while rotating in a circular direction, and the rotation direction is opposite to that of the stirring rod three 803, so as to fully mix the materials. The mixed materials will be transmitted to the outside by the transmission column 9. Through the setting of the scraper 802, the materials sticking to the inner wall of the transition cylinder 3 can be scraped and cleaned. With the cooperation of the exhaust fan 1001 and the air duct 1002, the air overflowed by the stirring of the materials in the transition cylinder 3 can be extracted.
[0032] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions merely illustrate the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed for the present invention is defined by the appended claims and their equivalents.
Claims
1. A powder injection mechanism with an anti-blocking structure, comprising a fixing ring (1), characterized in that: A mounting plate (2) is provided on the surface of the fixing ring (1), a transition cylinder (3) is provided inside the fixing ring (1), an injection tube (4) is provided on the transition cylinder (3), a cylinder cover (5) is provided on the top of the transition cylinder (3), a feeding tube (6) is provided on the cylinder cover (5), a driving mechanism (7) for providing rotational power is provided on the cylinder cover (5), and the driving mechanism (7) is provided inside the transition cylinder (3), a stirring mechanism (8) for stirring and mixing materials is provided on the driving mechanism (7), and the stirring mechanism (8) is provided inside the transition cylinder (3), a transmission column (9) is provided on the stirring mechanism (8), and an exhaust mechanism (10) for extracting air overflowing from the material is provided on the cylinder cover (5).
2. A powder injection mechanism with an anti-blocking structure according to claim 1, characterized in that: The driving mechanism (7) includes a rotating member (702), which is rotatably mounted on the cylinder cover (5) and rotatably mounted on the inner wall of the transition cylinder (3). A motor (705) is mounted on the top of the rotating member (702), and the motor (705) is mounted on the surface of the cylinder cover (5).
3. The powder injection mechanism with an anti-blocking structure according to claim 2, characterized in that: A gear ring (701) is installed on the inner wall of the transition cylinder (3), and the gear ring (701) is located above the rotating member (702). Two limiting columns (703) are rotatably installed on the rotating member (702). Gears (704) are installed on the tops of the two limiting columns (703), and the two gears (704) are meshed with the gear ring (701).
4. The powder injection mechanism with an anti-blocking structure according to claim 3, characterized in that: The stirring mechanism (8) includes two stirring rods (801), which are respectively installed below two limiting columns (703). A stirring rod (803) is installed at the bottom of the rotating member (702), and a transmission column (9) is installed at the bottom of the stirring rod (803). The transmission column (9) is rotatably installed inside the injection tube (4).
5. The powder injection mechanism with an anti-blocking structure according to claim 4, characterized in that: Two scrapers (802) are installed on the surfaces of the two stirring rods (801), and the scrapers (802) are in contact with the transition cylinder (3).
6. The powder injection mechanism with an anti-blocking structure according to claim 1, characterized in that: The air extraction mechanism (10) comprises an exhaust fan (1001), which is installed on the top of the cylinder cover (5). An air duct (1002) is provided on the exhaust fan (1001), and the air duct (1002) is provided on the cylinder cover (5).