Cutter head lifting device of bean grinder
By designing the cutting plate lifting device of the bean grinder, and using the motor and transmission device to achieve precise control of the cutting plate clearance, the problem of difficulty in controlling the thickness and unstable operation of the traditional bean grinder is solved, and the stability and efficiency of the bean grinder are improved.
Patent Information
- Application Number
- CN202421447973.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-06-24
AI Technical Summary
Traditional bean grinders are difficult to control the thickness of the beans during the grinding process, and their operation is unstable and their efficiency is inefficient.
A grinder cutter plate lifting device is designed, and the precision control of the cutter plate gap is achieved through the combination of the first rotating motor and the transmission device. The lifting and lowering movement of the drive shaft in the motor simultaneously controls the gap between the lower end cutter plate and the upper end cutter plate.
Accurate control of the grinding coarseness and fineness of coffee beans is achieved, and the grinding process is more stable, which avoids excessive wear and uneven grinding of beans, and improves grinding efficiency and quality.
Smart Images

Figure CN222968396U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coffee grinders, in particular to a cutter head lifting device for a coffee grinder. Background Art
[0002] The cutter head lifting device of the coffee grinder is proposed to solve the problems that it is difficult to control the grinding fineness, the operation is unstable and the efficiency is low during the grinding process of the traditional coffee grinder. The traditional coffee grinder usually has problems such as difficult adjustment of grinding fineness and unstable grinding process, which bring inconvenience to users in use and instability of grinding effect. Therefore, aiming at these problems, this cutter head lifting device of the coffee grinder is designed to provide a more stable, efficient and controllable grinding experience. The traditional coffee grinder usually adopts a design with a fixed gap, which is difficult to meet the grinding requirements of users for different fineness. At the same time, the traditional coffee grinder may be unstable during operation, resulting in uneven grinding or low efficiency. Therefore, a new design is needed to solve these problems and improve the usability of the coffee grinder and the stability of the grinding effect. Content of the Utility Model
[0003] The purpose of the utility model is to solve the problems that the traditional coffee grinder usually has difficult adjustment of grinding fineness and unstable grinding process.
[0004] The utility model realizes the above purpose through the following technical solutions:
[0005] A cutter head lifting device for a coffee grinder, comprising a coffee grinder housing, a support frame is fixedly connected to the bottom of the coffee grinder housing, a lifting device is fixedly connected to the upper end of the support frame, a grinding device is arranged at the upper end of the lifting device, and a grinding bin is arranged at the upper end of the grinding device.
[0006] Further, the lifting device includes a first rotating motor, a transmission device is arranged at the upper end of the first rotating motor, a support bottom plate is arranged at one side end of the transmission device, a lifting support plate is arranged at the upper end of the support bottom plate, and a support groove is arranged at the central position of the lifting support plate. Through the combination of the first rotating motor and the transmission device, the lifting device can achieve precise lifting control. The first rotating motor provides power, and the transmission device transmits the power to the support bottom plate, thereby realizing the movement of the lifting support plate.
[0007] Furthermore, one end of the transmission device is connected to a lead screw, on which a first propulsion block is fixedly connected. First guiding columns are arranged at both side ends of the first propulsion block, and scissors lifting group plates are arranged at both side ends of the first propulsion block. One corner of the upper end of the scissors lifting group plate is connected to a second propulsion block, and second guiding columns are arranged on both sides of the second propulsion block. The transmission device converts the power provided by the motor into the movement of the lifting device through the transmission mechanism of the lead screw. The arrangement of the first propulsion block and the scissors lifting group plates makes the lifting movement smoother. The helical movement of the lead screw can ensure the smoothness during the lifting process, and the supporting effect of the scissors lifting group plates can effectively reduce the swing during the movement, thus ensuring the stability of the lifting device.
[0008] Furthermore, the coffee bean grinding device includes a second rotating motor, with a lower grinding disc fixedly connected to the upper end of the second rotating motor, and an upper grinding disc arranged above the lower grinding disc. Through the power provided by the second rotating motor, the coffee bean grinding device realizes an efficient coffee bean grinding process. The driving shaft in the motor transmits the power to the lower grinding disc. The lifting of the lifting device can control the lifting of the driving shaft in the motor and simultaneously control the gap between the lower grinding disc and the upper grinding disc to control the grinding fineness of the coffee.
[0009] Furthermore, the second rotating motor includes a housing, with a number of fixing parts arranged in a circle at the bottom of the housing. An active driving shaft is arranged at the central end inside the housing, an active top part is arranged at the lower end of the active driving shaft, and a connecting head is arranged at the upper end of the active driving shaft. The arrangement of the active driving shaft makes the driving part of the second rotating motor more flexible, and the design of the connecting head also helps in connecting and transmitting power. The lifting device cooperates with the active top part to control the lifting of the active driving shaft and the lower grinding disc to change the gap between the grinding discs.
[0010] Furthermore, the four corners of the scissors lifting group plates are movably connected to one side of the support bottom plate, the lifting support plate, the first propulsion block, and the second propulsion block through bolts.
[0011] Furthermore, the fixing parts are fixedly connected to the coffee bean grinder housing through bolts, the connecting head is fixedly connected to the lower grinding disc through bolts, and the active top part is assembled and connected to the support groove.
[0012] Compared with the prior art, the beneficial effects of the present utility model are:
[0013] 1. Precise grinding control: Through the design of the lifting device, the coffee bean grinder's cutter disc lifting device can precisely control the gap between the grinding discs, and thus control the grinding fineness of the coffee beans. The lifting movement of the driving shaft in the motor simultaneously controls the gap between the lower grinding disc and the upper grinding disc, enabling users to adjust the grinding fineness according to their needs and meeting the requirements for different flavors of coffee.
[0014] 2. Stable grinding process: Due to the design of the lifting device, the gap between the grinding discs can be precisely adjusted, making the grinding process more stable. This ensures that during the grinding process, the beans can be evenly ground without excessive wear or uneven grinding, thereby improving the grinding efficiency and quality.
[0015] 3. Convenient maintenance and adjustment: The scissor lifting group plate is movably connected to the support bottom plate, the lifting support plate, the first pushing block, and the second pushing block by bolts. This design makes the maintenance and adjustment of the device more convenient. Users can easily disassemble and reinstall each component for necessary cleaning and maintenance work to ensure the long-term stable operation of the equipment. Description of the Drawings
[0016] Figure 1 is a schematic diagram of the present utility model;
[0017] Figure 2 is a schematic diagram of the lifting device of the present utility model;
[0018] Figure 3 is another perspective schematic diagram of the lifting device of the present utility model;
[0019] Figure 4 is a schematic diagram of the bean grinding device of the present utility model;
[0020] Figure 5 is a schematic diagram of the second rotating motor of the present utility model.
[0021] In the figure, 1 - bean grinder housing, 2 - support frame, 3 - lifting device, 4 - bean grinding device, 5 - bean grinding bin, 301 - first rotating motor, 302 - transmission device, 303 - support bottom plate, 304 - lifting support plate, 305 - support groove, 306 - lead screw, 307 - first pushing block, 308 - first guiding column, 309 - scissor lifting group plate, 310 - second pushing block, 311 - second guiding column, 41 - second rotating motor, 42 - lower grinding disc, 43 - upper grinding disc, 411 - housing, 412 - fixing part, 413 - movable middle drive shaft, 414 - movable top piece, 415 - connecting head. Detailed Embodiments
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0023] Combined with Figures 1-5 As shown in the figure, a knife disc lifting device for a coffee grinder includes a coffee grinder housing 1. A support frame 2 is fixedly connected to the bottom of the coffee grinder housing 1. A lifting device 3 is fixedly connected to the upper end of the support frame 2. A grinding device 4 is arranged at the upper end of the lifting device 3. A grinding bin 5 is arranged at the upper end of the grinding device 4.
[0024] Among them, the lifting device 3 includes a first rotating motor 301. A transmission device 302 is arranged at the upper end of the first rotating motor 301. A support bottom plate 303 is arranged at one side end of the transmission device 302. A lifting support plate 304 is arranged at the upper end of the support bottom plate 303. A support groove 305 is arranged at the central position of the lifting support plate 304. Through the combination of the first rotating motor and the transmission device, the lifting device can achieve precise lifting control. The first rotating motor provides power, and the transmission device transmits the power to the support bottom plate, thereby realizing the movement of the lifting support plate. One end of the transmission device 302 is connected to a lead screw 306. A first propulsion block 307 is fixedly connected to the lead screw 306. First guide columns 308 are arranged at both side ends of the first propulsion block 307. Scissor lifting group plates 309 are arranged at both side ends of the first propulsion block 307. A second propulsion block 310 is connected to a corner at the upper end of the scissor lifting group plate 309. Second guide columns 311 are arranged on both sides of the second propulsion block 310. The transmission device converts the power provided by the motor into the movement of the lifting device through the transmission mechanism of the lead screw. The arrangement of the first propulsion block and the scissor lifting group plates makes the lifting movement more stable. The spiral movement of the lead screw can ensure the stability during the lifting process, and the supporting effect of the scissor lifting group plates can effectively reduce the swing during the movement, thereby ensuring the stability of the lifting device. The bean grinding device 4 includes a second rotating motor 41. A lower grinding disk 42 is fixedly connected to the upper end of the second rotating motor 41. An upper grinding disk 43 is arranged at the upper end of the lower grinding disk 42. Through the power provided by the second rotating motor, the bean grinding device realizes an efficient bean grinding process. The driving shaft in the motor transmits the power to the lower grinding disk. The lifting of the lifting device can control the lifting of the driving shaft in the motor and at the same time control the gap between the lower grinding disk and the upper grinding disk to control the fineness of coffee grinding. The second rotating motor 41 includes a housing 411. A plurality of fixing parts 412 are arranged in a circle at the bottom of the housing 411. A movable central driving shaft 413 is arranged at the central end inside the housing 411. A movable top piece 414 is arranged at the lower end of the movable central driving shaft 413. A connecting head 415 is arranged at the upper end of the movable central driving shaft 413. The arrangement of the movable central driving shaft makes the driving part of the second rotating motor more flexible. The design of the connecting head also helps to connect and transmit power. The lifting device cooperates with the movable top piece to control the lifting of the movable central driving shaft and the lower grinding disk to change the gap between the grinding disks. The four corners of the scissor lifting group plate 309 are movably connected to one side of the support bottom plate 303, the lifting support plate 304, the first propulsion block 307, and the second propulsion block 310 through bolts. The fixing parts 412 are fixedly connected to the coffee grinder housing 1 through bolts. The connecting head 415 is fixedly connected to the lower grinding disk 42 through bolts. The movable top piece 414 is assembled and connected to the support groove 305.
[0025] Working principle: The first rotating motor 301 provides power, and the transmission device 302 at its upper end transmits the power to the support base plate 303. Scissor lifting group plates 309 are provided at both side ends of the first pushing block 307. One corner of the upper end of the scissor lifting group plate 309 is connected to a second pushing block 310. Second guiding columns 311 are provided on both sides of the second pushing block 310. Through the transmission mechanism of the lead screw, the power provided by the motor is converted into the movement of the lifting device. The setting of the first pushing block 307 and the scissor lifting group plate 309 makes the lifting movement smoother. The second rotating motor 41 provides power, and a lower grinding disc 42 is fixedly connected to its upper end. An upper grinding disc 43 is provided on the upper end of the lower grinding disc 42. The middle drive shaft 413 of the motor transmits the power to the lower grinding disc. The lifting device 3 and the movable top piece 414 are assembled to control the lifting of the middle drive shaft 413 of the motor, and at the same time control the gap between the lower grinding disc and the upper grinding disc, thereby controlling the fineness of coffee grinding.
[0026] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0027] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A coffee bean grinder blade lifting device, comprising a coffee bean grinder housing (1), characterized in that: The bottom of the bean grinder housing (1) is fixedly connected to a support frame (2), the upper end of the support frame (2) is fixedly connected to a lifting device (3), the upper end of the lifting device (3) is provided with a bean grinding device (4), and the upper end of the bean grinding device (4) is provided with a bean grinding bin (5).
2. The coffee bean grinder blade lifting device according to claim 1, characterized in that: The lifting device (3) comprises a first rotating motor (301), a transmission device (302) is arranged at the upper end of the first rotating motor (301), a supporting base plate (303) is arranged at one side end of the transmission device (302), a lifting support plate (304) is arranged at the upper end of the supporting base plate (303), and a supporting groove (305) is arranged at the center position of the lifting support plate (304).
3. The coffee bean grinder blade lifting device according to claim 2, characterized in that: One end of the transmission device (302) is connected to a screw rod (306), a first propulsion block (307) is fixedly connected to the screw rod (306), first guide columns (308) are provided at both side ends of the first propulsion block (307), scissors lifting assembly plates (309) are provided at both side ends of the first propulsion block (307), a second propulsion block (310) is connected to a corner of an upper end of the scissors lifting assembly plate (309), and second guide columns (311) are provided on both sides of the second propulsion block (310).
4. The coffee bean grinder blade lifting device according to claim 3, characterized in that: The bean grinding device (4) comprises a second rotating motor (41), the upper end of the second rotating motor (41) is fixedly connected to a lower grinding disc (42), and the upper end of the lower grinding disc (42) is provided with an upper grinding disc (43).
5. The coffee bean grinder blade lifting device according to claim 4, characterized in that: The second rotating motor (41) comprises a housing (411), a plurality of fixing parts (412) are arranged around the bottom of the housing (411), a movable drive shaft (413) is arranged at the center end inside the housing (411), a movable top part (414) is arranged at the lower end of the movable drive shaft (413), and a connector (415) is arranged at the upper end of the movable drive shaft (413).
6. The coffee bean grinder blade lifting device according to claim 5, characterized in that: The four corners of the scissor lifting assembly plate (309) are movably connected to the supporting bottom plate (303), the lifting support plate (304), the first propulsion block (307), and one side of the second propulsion block (310) via bolts.
7. The coffee bean grinder blade lifting device according to claim 6, characterized in that: The fixing member (412) is fixedly connected to the coffee grinder housing (1) by means of bolts, the connecting head (415) is fixedly connected to the lower grinding disc (42) by means of bolts, and the movable top member (414) is assembled and connected to the supporting groove (305).