Fan impeller mold
By designing a new wind turbine impeller mold structure, using guide pillars and guide sleeves to maintain coaxiality, and combining electromagnetic switches and handle rings, the problems of insufficient molding accuracy and difficult demolding of traditional molds have been solved, achieving efficient mass production and rapid mold maintenance.
Patent Information
- Application Number
- CN202520230533.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Traditional wind turbine impeller molds suffer from insufficient molding precision and difficulty in demolding, resulting in a decrease in the impeller production qualification rate and making them unsuitable for mass production.
A mold structure including components such as an upper ejector plate, a lower ejector plate, ejector pins, a support plate, and a partition plate was designed. The coaxiality is maintained by guide pillars and guide sleeves. Combined with electromagnetic switches and handle rings, the mold is easy to disassemble and maintain, ensuring molding accuracy and material output stability.
It improves the precision and pass rate of impeller production, enables rapid mold maintenance and replacement, is suitable for mass production, and solves the precision and efficiency problems of traditional molds in the forming and unloading process.
Smart Images

Figure CN223701540U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical manufacturing technical field, concretely is fan impeller mould. BACKGROUND
[0002] Fan impeller as the core component of fan, its performance directly influences the working efficiency of fan.
[0003] In the impeller manufacturing process, the precision and stability of the mould are particularly important, the fan impeller is usually composed of a plurality of blades evenly distributed around the hub, its shape is complex, and high requirements are put forward to the design and manufacturing precision of the mould, the traditional fan impeller mould is mainly shaped by manual machining or simple mould, the female mould plate and the male mould plate may appear slight deviation when the mould is closed, resulting in that the size error of finished product impeller is large, leading to deformation or even fracture of the impeller blade, at the same time, due to the strong adhesion of the cavity surface, a large force needs to be applied when the traditional mould is demoulded, and there are problems of insufficient forming precision and difficult demoulding, these defects are easy to lead to the decrease of product qualification rate in the process of mass production, therefore, the fan impeller mould is needed to solve the above technical defects. SUMMARY
[0004] The utility model discloses a fan impeller mould, which solves the problems of insufficient forming precision and difficult demoulding in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: a fan impeller mould, which comprises a lower fixed plate, the lower fixed plate is fixedly connected with a lower thimble plate at the top end, the lower thimble plate is fixedly connected with an upper thimble plate at the top end, the upper thimble plate is fixedly connected with a spacing plate outside, the spacing plate is fixedly connected with a bearing plate at the top end, the bearing plate is fixedly connected with a male mould plate at the top end, the upper surface of the male mould plate is processed with a male die, the male die is provided above the male mould plate, the lower surface of the male mould plate is processed with a female die, the top end of the female die is fixedly connected with a stripping plate, the stripping plate is fixedly connected with an upper fixed plate at the top end, one side of the bottom end of the stripping plate is fixedly connected with a guide column, one side of the top end of the male mould plate is fixedly connected with a guide sleeve, and the guide column and the guide sleeve are embedded and inserted.
[0006] As a further technical scheme of the utility model, a sprue bush is mounted in the upper fixed plate, the sprue bush is connected downward to the top of the female die, and a positioning ring is arranged outside the top end of the sprue bush.
[0007] As a further technical scheme of the utility model, the upper surface of the lower thimble plate is fixedly connected with a supporting column, and the supporting column is fixed upward to the bearing plate.
[0008] As a further technical scheme of the utility model, the upper surface of the upper thimble plate is fixedly connected with four groups of material thimbles, and the top end of each material thimble penetrates the male die and abuts upward to the female die.
[0009] As a further technical scheme of the utility model, the upper fixed plate, stripping plate, female mold plate, male mold plate, bearing plate, spacer plate, upper ejector plate, lower ejector plate and lower fixed plate are all welded with handle rings, and the handle rings are divided into large and small handle rings.
[0010] As a further technical scheme of the utility model, the upper fixed plate and bearing plate are fixedly connected with a locking rod between the outer walls, and the male mold plate and bearing plate are fixedly connected with an electromagnetic switch.
[0011] Compared with the prior art, the utility model has the beneficial effects that: the fan impeller mold not only reduces the damage caused by adhesion, improves the precision and qualified rate of impeller production, improves the precision and production efficiency of discharging, is suitable for batch production, and can quickly complete maintenance and replacement during production;
[0012] By being provided with the positioning ring, stripping plate, female mold plate, male mold plate, bearing plate, sprue bush, female mold core, male mold core, the mold realizes the precision production of the fan impeller, first, the raw material is injected from the sprue bush, the material enters the mold cavity formed between the female mold plate and the male mold plate under the action of pressure, and the mold cavity can accurately copy the structure and size of the impeller under the cooperation of the female mold core and the male mold core, ensuring the precision of the impeller blades and the hub part, the guide column and the guide sleeve cooperate to keep the coaxiality of the female mold plate and the male mold plate during the closing and opening of the mold, avoiding the size error of the product caused by deviation, and after the material is cooled and solidified in the mold cavity, the stripping plate is pushed upward by the upper ejector plate and the lower ejector plate to form the impeller, and the impeller is pushed out of the mold cavity by the material ejector, ensuring the completeness of the shape of the impeller and reducing the damage caused by adhesion, solving the problem of uneven demolding of traditional molds, improving the precision and qualified rate of impeller production;
[0013] By being provided with the upper ejector plate, lower ejector plate, material ejector, bearing plate and spacer plate, the mold realizes an efficient discharging process, after the mold is formed, the upper ejector plate and the lower ejector plate are pushed by the driving device to drive the stripping plate to move upward, at the same time, the material ejector synchronously pushes out the formed impeller, and the cooperation of the bearing plate and the spacer plate provides a stable support structure, ensuring the stability of the discharging process, avoiding the deformation of the mold caused by uneven stress during frequent use, solving the problem of complex manual stripping operation of traditional molds during the discharging process, improving the precision and production efficiency of discharging, and being suitable for batch production;
[0014] By setting the handle ring, locking rod, electromagnetic switch, the mold has the convenient disassembly and maintenance function, when needing to replace the mold core or carrying out the mold cleaning, the operator only needs to hold the handle ring, the locking rod is under the electromagnetic control of the electromagnetic switch and is in the unlocking state, the female mold plate and the male mold plate are quickly separated, the solid is layer by layer removed, the internal part is checked and replaced, the traditional mold disassembly time-consuming, maintenance difficult problem is solved, the mold can be quickly maintained and replaced in the production process. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a front view sectional structure schematic view of the utility model;
[0016] Figure 2 It is a front view three-dimensional structure schematic view of the utility model;
[0017] Figure 3 It is a top view structure schematic view of the utility model;
[0018] Figure 4 It is a side view structure schematic view of the utility model.
[0019] Figure 5 It is a three-dimensional structure schematic view of the impeller processed by the utility model.
[0020] In the drawing: 1, upper fixed plate; 2, positioning ring; 3, stripping plate; 4, female mold plate; 5, male mold plate; 6, bearing plate; 7, spacing plate; 8, upper ejector pin plate; 9, lower ejector pin plate; 10, lower fixed plate; 11, sprue bushing; 12, female mold core; 13, guide column; 14, guide sleeve; 15, male mold core; 16, material ejector pin; 17, support column; 18, handle ring; 19, locking rod; 20, electromagnetic switch; 21, impeller framework; 22, blade; 23, balance column. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0022] Please refer to Figures 1-4The utility model provides an embodiment: Fan impeller mould, including lower fixed plate 10, lower fixed plate 10 top fixedly connected with lower thimble plate 9, lower thimble plate 9 top fixedly connected with upper thimble plate 8, upper thimble plate 8 outside fixedly connected with interval plate 7, interval plate 7 top fixedly connected with bearing plate 6, bearing plate 6 top fixedly connected with male die plate 5, male die plate 5 upper surface is processed with male die 15, male die 15 top is provided with female die plate 4, female die plate 4 lower surface is processed with female die 12, female die plate 4 top fixedly connected with stripping plate 3, stripping plate 3 top fixedly connected with upper fixed plate 1, stripping plate 3 bottom one side fixedly connected with guide column 13, male die plate 5 top one side fixedly connected with guide sleeve 14, and guide column 13 and guide sleeve 14 are inserted, and upper fixed plate 1 is installed with sprue bushing 11 inside, and sprue bushing 11 is connected to female die 12 top downwards, and sprue bushing 11 top outside is provided with locating ring 2;
[0023] Specifically, as Figure 1 、 Figure 2 、 Figure 3 And Figure 4 Indicated, under the cooperation of female die 12 and male die 15, the structure and size of impeller can be accurately copied in mould cavity, ensure the precision of impeller blade and hub portion, guide column 13 and guide sleeve 14 cooperate to make female die plate 4 and male die plate 5 always keep coaxial degree in the process of closing and opening, avoid the size error of product due to deviation, after the material is cooled and solidified in the mould cavity, stripping plate 3 is pushed up by upper thimble plate 8 and lower thimble plate 9 to form impeller, and impeller is pushed out from the mould cavity by material thimble 16.
[0024] Lower thimble plate 9 upper surface is fixedly connected with support column 17, and support column 17 is fixedly connected to bearing plate 6 upwards, and four groups of material thimbles 16 are fixedly connected to upper thimble plate 8 upper surface, and the top of material thimble 16 all penetrates male die 15 and is contacted to female die 12 upwards;
[0025] Specifically, as Figure 1 、 Figure 2 、 Figure 3 And Figure 4 Indicated, after mould forming, upper thimble plate 8 and lower thimble plate 9 are pushed by driving device, drive stripping plate 3 to move upwards, at the same time, material thimble 16 is pushed out simultaneously, and the cooperation of bearing plate 6 and interval plate 7 provides stable support structure, ensure the stability of discharging process, avoid the deformation of mould due to uneven stress in the process of frequent use.
[0026] The outer wall of each of the upper fixing plate 1, the stripping plate 3, the female mold plate 4, the male mold plate 5, the bearing plate 6, the spacer plate 7, the upper ejector plate 8, the lower ejector plate 9 and the lower fixing plate 10 is welded with a handle ring 18, the handle ring 18 is divided into a large pull ring and a small pull ring, the outer wall between the upper fixing plate 1 and the bearing plate 6 is fixedly connected with a locking rod 19, the male mold plate 5 and the bearing plate 6 are fixedly connected with an electromagnetic switch 20;
[0027] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 Figure 1 Figure 2 Figure 3 Figure 4 indicated, when the mold core needs to be replaced or the mold needs to be cleaned, the operator only needs to hold the handle ring 18, the locking rod 19 is unlocked under the electromagnetic control of the electromagnetic switch 20, the female mold plate 4 and the male mold plate 5 are quickly separated, and the stripping is solidified layer by layer, so that the internal parts are convenient to check and replace.
[0028] Working principle: first, the raw material is injected from the sprue bush 11, the material enters the mold cavity formed between the female mold plate 4 and the male mold plate 5 under the action of pressure, the mold cavity can accurately copy the structure and size of the impeller under the cooperation of the female mold core 12 and the male mold core 15, so as to ensure the precision of the impeller blade and the hub part, the guide column 13 and the guide sleeve 14 cooperate to keep the coaxiality of the female mold plate 4 and the male mold plate 5 during the closing and opening of the mold, so as to avoid the size error of the product caused by deviation, after the material is cooled and solidified in the mold cavity, the upper ejector plate 8 and the lower ejector plate 9 push the stripping plate 3 upward to strip the formed impeller, after the mold is formed, the upper ejector plate 8 and the lower ejector plate 9 are pushed upward by the driving device, at the same time, the material ejector 16 synchronously pushes out the formed impeller, the cooperation of the bearing plate 6 and the spacer plate 7 provides a stable support structure, so as to ensure the stability of the discharging process and avoid the deformation of the mold due to uneven stress during frequent use.
[0029] The fan impeller processed by the fan impeller mold is arranged in a clockwise annular manner on the impeller framework through the blades, after the air flow enters the air groove, it is guided to the arc-shaped air guide plate along the curve direction of the blade, and then is guided out of the fan, under the arc-shaped design of the blade, the air flow uniformly flows out, the fan blade is not deformed during high load operation, the service life of the fan impeller is improved, and the production demand of high precision and high strength is met.
[0030] The fan impeller processed by the fan impeller mold is provided with a circle of balance columns, which can ensure that the fan runs stably, has small vibration and noise during high-speed operation.
[0031] The fan impeller processed by the fan impeller mold is made of high-temperature-resistant and high-strength plastic polymer material, and the processed fan impeller is light in weight, high in strength and durable.
[0032] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. A fan impeller mold, including a lower fixed plate (10), characterized in that: The lower fixed plate (10) is fixedly connected to the top of the lower ejector plate (9), the upper ejector plate (8) is fixedly connected to the top of the lower ejector plate (9), the upper ejector plate (8) is fixedly connected to the outside of the upper ejector plate (7), the upper part of the spacer plate (7) is fixedly connected to the top of the spacer plate (7), the male template (5) is fixedly connected to the top of the spacer plate (6), the male mold core (15) is machined on the upper surface of the male template (5), the female template (4) is provided above the male mold core (15), the female mold core (12) is machined on the lower surface of the female template (4), the top of the female template (4) is fixedly connected to the top of the stripper plate (3), the top of the stripper plate (3) is fixedly connected to the upper fixed plate (1), the bottom end of the stripper plate (3) is fixedly connected to one side of the bottom, the top end of the male template (5) is fixedly connected to the guide sleeve (14), and the guide post (13) and the guide sleeve (14) are fitted and inserted.
2. The fan impeller mold according to claim 1, characterized in that: The upper fixing plate (1) is equipped with a sprue sleeve (11), which is connected downward to the top of the female mold core (12). A positioning ring (2) is provided on the outside of the top of the sprue sleeve (11).
3. The fan impeller mold according to claim 1, characterized in that: A support column (17) is fixedly connected to the upper surface of the lower ejector plate (9), and the support column (17) is fixed upward to the support plate (6).
4. The fan impeller mold according to claim 1, characterized in that: Four sets of ejector pins (16) are fixedly connected to the upper surface of the upper ejector plate (8). The top of each ejector pin (16) penetrates the male mold core (15) and abuts against the female mold core (12).
5. The fan impeller mold according to claim 1, characterized in that: The upper fixing plate (1), stripping plate (3), female template (4), male template (5), support plate (6), partition plate (7), upper ejector plate (8), lower ejector plate (9) and lower fixing plate (10) are all welded with handle rings (18) on their outer walls. The handle rings (18) are divided into large pull rings and small pull rings.
6. The fan impeller mold according to claim 1, characterized in that: A locking rod (19) is fixedly connected between the upper fixing plate (1) and the outer wall of the bearing plate (6), and an electromagnetic switch (20) is fixedly connected between the male template (5) and the bearing plate (6).