Multi-head bean grinder

Abstract

The multi-head bean grinder comprises a grinding device, a switching base, a rotating disc and a driving mechanism used for driving the grinding device to work, the rotating disc is provided with a mounting opening, and the switching base is provided with a rotating groove so as to limit the rotating disc to rotate in the rotating groove; an opening is formed in the bottom of the rotating groove, the driving mechanism comprises a linkage gear mounted at the mounting opening and a driving gear used for driving the linkage gear to rotate, and a grinding driving shaft of the grinding device is connected with the linkage gear so as to rotate along with the linkage gear; and the driving gear is eccentrically arranged relative to the rotating center of the rotating disc, so that when the linkage gear rotates to a preset working position, the driving gear is meshed with the linkage gear located at the working position to drive the linkage gear to rotate. By adopting the grinding device, different grinding devices can be switched, and the switching operation is simple and convenient.

Description

Technical Field

[0001] This invention relates to the field of food grinding equipment technology, and more particularly to a multi-head coffee grinder. Background Technology

[0002] For existing coffee grinders, such as those used for grinding coffee beans, users often need to adjust the grinder according to their needs, such as adjusting the particle size, based on different drinking habits and bean varieties. However, existing variable-diameter adjustments are generally fine-tuning, requiring considerable effort and visual acuity, and are prone to errors, especially with frequent adjustments. Therefore, particularly in commercial and home use environments where usage requirements vary greatly, there is a problem of inefficiency due to adjustments. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a multi-head coffee grinder that can switch between different grinding devices, and the switching operation is simple and convenient.

[0004] To solve the above-mentioned technical problems, the present invention provides a multi-head coffee grinder, including a grinding device, a switching base, a rotating disk, and a drive mechanism for driving the grinding device to work. The rotating disk is provided with a preset number of mounting holes for mounting and connecting the grinding device. The switching base is provided with a rotating groove adapted to the rotating disk to limit the rotation of the rotating disk within the rotating groove; The bottom of the rotating groove has an opening, through which the grinding device passes to be installed at the mounting port.

[0005] The drive mechanism includes a linkage gear installed at the mounting port and a drive gear for driving the linkage gear to rotate. The grinding drive shaft of the grinding device is connected to the linkage gear so as to follow the rotation of the linkage gear. The drive gear is eccentrically positioned relative to the rotation center of the rotating disk, so that when the linkage gear rotates to the preset working position, the drive gear meshes with the linkage gear at the working position to drive the linkage gear to rotate.

[0006] As an improvement to the above solution, the drive mechanism further includes a drive housing, a transmission assembly, and a motor disposed within the drive housing, wherein the motor drives the drive gear to rotate through the transmission assembly; The switching base is installed on the top of the drive housing so that an operating space is formed below the switching base.

[0007] As an improvement to the above solution, the transmission assembly includes a transmission belt, a first transmission wheel, a second transmission wheel driven by the rotation of the motor, and a linkage shaft mounted on the switching base. The second transmission wheel drives the first transmission wheel to rotate through the transmission belt. The first transmission wheel and the linkage gear are both mounted on the linkage shaft to rotate with the linkage shaft.

[0008] As an improvement to the above solution, a locking member is also included to limit the rotation of the rotating disk, wherein the edge of the rotating disk is provided with a locking groove for the locking member to be inserted; The side wall of the switching base is provided with a locking operation port that communicates with the rotating groove. The locking member passes through the locking operation port and is placed into the locking port.

[0009] As an improvement to the above solution, the locking member includes a locking head for being inserted into the locking port, a locking shaft, and a lever for swinging the locking head. The locking shaft is provided on both sides of one end of the locking head, and the switching base is provided with a rotating shaft channel adapted to the locking shaft for installing the locking shaft. One end of the lever is connected to the locking head, so that by lifting the lever, the locking head can be swung from inside the locking port to outside the locking port.

[0010] As an improvement to the above solution, the top of the switching base is provided with a feed inlet for feeding material to the grinding device, and the feed inlet is located above the working position. The main body of the linkage gear has a material discharge port. The material passes through the feed port, the material discharge port and the mounting port in sequence, and then falls into the grinding device.

[0011] As an improvement to the above solution, the top of the switching base is provided with a guide head, and the guide head is provided with a guide channel communicating with the feed port, and the guide channel is funnel-shaped. As an improvement to the above solution, the grinding device includes a grinding body with a grinding channel inside, a grinding head disposed in the grinding channel, and a grinding drive shaft for driving the grinding head to rotate. The grinding channel is connected to the mounting port.

[0012] As an improvement to the above solution, the mounting port is provided with a quick-release ring for mounting the grinding body; The top sidewall of the quick-release ring is provided with a support edge, which is supported on the rotating disk to prevent the quick-release ring from disengaging downward from the mounting port; The quick-release ring is provided with a quick-release part, the quick-release part is provided with a locking channel, the grinding body is provided with a locking part for inserting into the locking channel, the side wall of the quick-release part is provided with an opening for the locking part to be inserted laterally, and the locking part enters the locking channel through the opening.

[0013] Implementing this invention has the following beneficial effects: This invention discloses a multi-head coffee grinder, including a grinding device, a switching base, a rotating disk, and a drive mechanism for driving the grinding device. The rotating disk has a preset number of mounting holes for mounting and connecting the grinding device, so that various grinding devices can be installed as needed to meet different usage requirements.

[0014] Furthermore, the switching base is provided with a rotating groove adapted to the rotating disk to limit the rotation of the rotating disk within the rotating groove; the bottom of the rotating groove has an opening through which the grinding device passes for installation at the mounting opening. Therefore, the user can rotate the rotating disk as needed to select the desired grinding device.

[0015] Accordingly, the driving mechanism includes a linkage gear mounted at the mounting port and a driving gear for driving the linkage gear to rotate. The grinding drive shaft of the grinding device is connected to the linkage gear to follow its rotation. The driving gear is eccentrically positioned relative to the rotation center of the rotating disk, so that when the linkage gear rotates to a preset working position, the driving gear meshes with the linkage gear at that working position to drive the linkage gear to rotate. Therefore, the function of selectively driving the grinding device can be achieved simply by rotating the desired grinding device to the working position. Furthermore, due to the eccentric positioning of the driving gear, the linkage gear outside the working position does not mesh with the driving gear, thereby stopping the grinding device outside the working position from operating. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the multi-head coffee grinder of the present invention; Figure 2 This is a schematic diagram of the internal structure of the switching base of the present invention; Figure 3 This is a cross-sectional view of the multi-head coffee grinder of the present invention; Figure 4 yes Figure 2 Another structural diagram; Figure 5 This is a schematic diagram of the locking component of the present invention; Figure 6 This is a schematic diagram of the quick-release ring of the present invention; Figure 7This is a schematic diagram of another embodiment of the locking component of the present invention. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0018] See Figure 1 , 2 According to point 3, the present invention provides a multi-head coffee grinder, including a grinding device 1, a switching base 2, a rotating disk 3, and a drive mechanism for driving the grinding device 1 to work. The rotating disk 3 is provided with a preset number of mounting holes 31 for mounting and connecting the grinding device 1. The switching base 2 is provided with a rotating groove 21 that is adapted to the rotating disk 3, so as to limit the rotation of the rotating disk 3 within the rotating groove 21; The bottom of the rotating groove 21 has an opening 211, through which the grinding device 1 passes to be installed at the mounting port 31.

[0019] The drive mechanism includes a linkage gear 41 installed at the mounting port 31 and a drive gear 42 for driving the linkage gear 41 to rotate. The grinding drive shaft 11 of the grinding device 1 is connected to the linkage gear 41 to follow the rotation of the linkage gear 41. The drive gear 42 is eccentrically positioned relative to the rotation center of the rotating disk 3, so that when the linkage gear 41 rotates to the preset working position, the drive gear 42 meshes with the linkage gear 41 in the working position to drive the linkage gear 41 to rotate.

[0020] Specifically, the grinding device 1 includes a grinding body 12 with a grinding channel 121 inside, a grinding head 13 disposed within the grinding channel 121, and a grinding drive shaft 11 for driving the grinding head 13 to rotate; the grinding channel 121 is connected to the mounting port 31. Correspondingly, the inner wall of the grinding channel 121 is provided with a grinding surface 14 corresponding to the grinding head 13, so as to cooperate in grinding the material. For grinding devices with different grinding particle sizes, the minimum gap between the grinding surface and the grinding head is also different. Preferably, the linkage gear 41 is equipped with a bushing 412 that mates with the grinding drive shaft to facilitate the loading and unloading of the grinding device.

[0021] In terms of the drive structure, to simplify the product's footprint and provide space for receiving grinding powder, the drive mechanism further includes a drive housing 43, a transmission assembly, and a motor 44 disposed within the drive housing 43. The motor 44 drives the drive gear 42 to rotate via the transmission assembly. The switching base 2 is mounted on the top of the drive housing 43, creating an operating space below the switching base 2. Preferably, the drive housing 43 is a hollow columnar body, serving as a structural pillar. More preferably, the top of the drive housing 43 is connected to one end of the switching base 2, maximizing the unobstructed operating space below the switching base 2. Correspondingly, a chassis 45 is provided at the bottom of the drive housing 43, forming a C-shaped structure between the switching base 2, the drive housing 43, and the chassis 45 to prevent the switching base 2 from tipping over.

[0022] Preferably, the chassis 45 is provided with a positioning groove 451 for guiding the placement of the container. The positioning groove 451 is located below the working position, which can help the user place the container for receiving the grinding powder according to the positioning groove 451. Then, the required grinding device 1 can be moved above the container according to the position of the container, so that the grinding device 1 can be accurately rotated to the working position.

[0023] The transmission assembly includes a transmission belt 46, a first transmission wheel 47, a second transmission wheel 48 driven by the rotation of the motor 44, and a linkage shaft 49 mounted on the switching base 2. The second transmission wheel 48 drives the first transmission wheel 47 to rotate through the transmission belt 46. Both the first transmission wheel 47 and the drive gear 42 are mounted on the linkage shaft 49 to rotate with the linkage shaft 49. Preferably, the first transmission wheel 47 and the second transmission wheel 48 are pulleys, and the transmission belt is a synchronous belt.

[0024] See Figure 4 and 5 To stabilize the position of the grinding device 1 at the workstation, the multi-head grinder also includes a locking member 5 for restricting the rotation of the rotating disk 3. The edge of the rotating disk 3 has a locking port 32 for the locking member 5 to be inserted. The side wall of the switching base 2 has a locking operation port 22 communicating with the rotating groove 21. The locking member 5 passes through the locking operation port 22 and is placed into the locking port 32. Therefore, based on the position of each mounting port 31 or grinding device 1 on the rotating disk 3, and combined with the relative position between the workstation and the locking operation port 22, a corresponding number of locking ports 32 can be opened, so that when each grinding device 1 rotates to the workstation, the locking port 32 corresponds to the locking operation port 22 for the locking member 5 to be inserted.

[0025] In one embodiment of the locking member, the locking member 5 includes a locking head 51 for being inserted into the locking port 32, a locking shaft 52, and a lever 53 for swinging the locking head 51. The locking shaft 52 is provided on both sides of one end of the locking head 51. The switching base 2 is provided with a rotating shaft channel 23 adapted to the locking shaft 52 for mounting the locking shaft 52. One end of the lever 53 is connected to the locking head 51, so that by lifting the lever 53, the locking head 51 can be swung from inside the locking port 32 to outside the locking port 32, thereby releasing the restriction of the rotation of the rotating disk 3 by the locking member 5.

[0026] Moreover, based on the gravity of the lever 53, when the next locking port 32 is turned to the locking operation port 22, the locking head 51 will automatically be inserted into the locking port 32.

[0027] Regarding the implementation of the locking member, the present invention also discloses another embodiment, see [link to relevant documentation]. Figure 7 The locking component includes a locking head 51a, a locking rod 52a, and a top pressure spring 53a for being inserted into the locking port 32. The side wall of the switching base 2 is provided with a spring groove 23a for installing the top pressure spring. One end of the locking rod 52a is connected to the locking head 51a, and the other end extends out of the locking operation port 22. The top pressure spring 53a is clamped between the locking head 51a and the inner wall of the spring groove 23a to drive the locking head 51a into the locking port 32. When it is necessary to release the rotation restriction of the rotating disk by the locking member, it is only necessary to pull the locking rod 52a outward to disengage the locking head 51a from the locking port 32.

[0028] The top of the switching base 2 is provided with a feed inlet 24 for feeding material to the grinding device 1, and the feed inlet 24 is correspondingly located above the working position; The main body of the linkage gear 41 has a material discharge port 411. The material passes through the material inlet 411, then through the material discharge port 411 and the mounting port 31, and finally falls into the grinding device 1.

[0029] Furthermore, in order to facilitate the user's feeding of the grinding device 1, the top of the switching base 2 is provided with a guide head 6, the guide head 6 is provided with a guide channel 61 communicating with the feed port 411, and the guide channel is funnel-shaped.

[0030] The grinding device 1 includes a grinding body 12 with a grinding channel 121, a grinding head 13 disposed within the grinding channel 121, and a grinding drive shaft 11 for driving the grinding head 13 to rotate; the grinding channel 121 is connected to the mounting port 31. Therefore, materials passing through the mounting port 31 will fall directly into the grinding channel 121 for grinding. Thus, when multiple grinding devices 1 are configured, various grinding particle size specifications can be fixedly configured according to the usage scenario or requirements. Therefore, by rotating the rotating disk 3, the desired grinding particle size of the grinding device 1 can be quickly obtained.

[0031] See Figure 6 In order to facilitate the replacement and maintenance of the grinding device 1 and to facilitate the matching of different grinding devices 1, the mounting port 31 is provided with a quick-release ring 7 for mounting the grinding body 12; The top side wall of the quick-release ring 7 is provided with a support edge 71, which is supported on the rotating disk 3 to prevent the quick-release ring 71 from disengaging downward from the mounting port 31. The quick-release ring 7 is provided with a quick-release part 72, and the quick-release part 72 is provided with a locking channel 721. The grinding body 12 is provided with a locking part 121 for inserting into the locking channel 721. The side wall of the quick-release part 72 is provided with an opening 722 for the locking part 121 to be inserted laterally. The locking part 121 enters the locking channel 721 through the opening 722. Preferably, the quick-release part 72 is L-shaped. Preferably, there are at least two quick-release parts 72, which are evenly distributed circumferentially on the quick-release ring 7, and there is sufficient distance between adjacent quick-release parts 72 for the locking part 121 to pass through and enter the locking channel 721 laterally.

[0032] The above description represents the preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A multi-head coffee grinder, characterized in that, It includes a grinding device, a switching base, a rotating disk, and a drive mechanism for driving the grinding device. The rotating disk has a preset number of mounting holes for mounting and connecting the grinding device. The switching base is provided with a rotating groove adapted to the rotating disk to limit the rotation of the rotating disk within the rotating groove; The bottom of the rotating groove has an opening, and the grinding device passes through the opening to be installed at the mounting port; The drive mechanism includes a linkage gear installed at the mounting port and a drive gear for driving the linkage gear to rotate. The grinding drive shaft of the grinding device is connected to the linkage gear so as to follow the rotation of the linkage gear. The drive gear is eccentrically positioned relative to the rotation center of the rotating disk, so that when the linkage gear rotates to the preset working position, the drive gear meshes with the linkage gear at the working position to drive the linkage gear to rotate.

2. The multi-head coffee grinder as described in claim 1, characterized in that, The drive mechanism further includes a drive housing, a transmission assembly, and a motor disposed within the drive housing. The motor drives the drive gear to rotate through the transmission assembly. The switching base is installed on the top of the drive housing so that an operating space is formed below the switching base.

3. The multi-head coffee grinder as described in claim 2, characterized in that, The transmission assembly includes a transmission belt, a first transmission wheel, a second transmission wheel driven by the rotation of the motor, and a linkage shaft mounted on the switching base. The second transmission wheel drives the first transmission wheel to rotate via the transmission belt. The first transmission wheel and the linkage gear are both mounted on the linkage shaft to rotate with the linkage shaft.

4. The multi-head coffee grinder as described in claim 1, characterized in that, It also includes a locking member for limiting the rotation of the rotating disk, wherein the edge of the rotating disk is provided with a locking groove for the locking member to be inserted; The side wall of the switching base is provided with a locking operation port that communicates with the rotating groove. The locking member passes through the locking operation port and is placed into the locking port.

5. The multi-head coffee grinder as described in claim 4, characterized in that, The locking component includes a locking head for being inserted into the locking port, a locking shaft, and a lever for swinging the locking head. The locking shaft is provided on both sides of one end of the locking head. The switching base is provided with a rotating shaft channel adapted to the locking shaft for installing the locking shaft. One end of the lever is connected to the locking head, so that by lifting the lever, the locking head can be swung from inside the locking port to outside the locking port.

6. The multi-head coffee grinder as described in claim 1, characterized in that, The locking component includes a locking head, a locking rod, and a top pressure spring for being inserted into the locking port. The side wall of the switching base is provided with a spring groove for installing the top pressure spring. One end of the locking rod is connected to the locking head, and the other end extends out of the locking operation port. The top pressure spring is clamped between the locking head and the inner wall of the spring groove to drive the locking head into the locking port.

7. The multi-head coffee grinder as described in claim 1, characterized in that, The top of the switching base is provided with a feed inlet for feeding material into the grinding device, and the feed inlet is located above the working position. The main body of the linkage gear has a material discharge port. The material passes through the feed port, the material discharge port and the mounting port in sequence, and then falls into the grinding device. The top of the switching base is provided with a guide head, and the guide head is provided with a guide channel communicating with the feed port. The guide channel is funnel-shaped.

8. The multi-head coffee grinder as described in claim 1, characterized in that, The grinding device includes a grinding body with a grinding channel inside, a grinding head disposed in the grinding channel, and a grinding drive shaft for driving the grinding head to rotate. The grinding channel is connected to the mounting port.

9. The multi-head coffee grinder as described in claim 8, characterized in that, The mounting port is provided with a quick-release ring for mounting the grinding body; The top sidewall of the quick-release ring is provided with a support edge, which is supported on the rotating disk to prevent the quick-release ring from disengaging downward from the mounting port; The quick-release ring is provided with a quick-release part, the quick-release part is provided with a locking channel, the grinding body is provided with a locking part for inserting into the locking channel, the side wall of the quick-release part is provided with an opening for the locking part to be inserted laterally, and the locking part enters the locking channel through the opening.

10. The multi-head coffee grinder as described in claim 2, characterized in that, The bottom of the drive housing is provided with a chassis, and a C-shaped structure is formed between the switching base, the drive housing and the chassis; The chassis is provided with a positioning groove for guiding the placement of the container, and the positioning groove is located below the working position.

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