Bean grinding and powder pressing machine provided with powder pressing device

Abstract

The utility model provides a bean grinding and powder pressing machine provided with a powder pressing device, and aims to solve the problems that in the prior art, coffee bean powder in a powder receiving cup needs to be pressed into pressed cakes in a manual mode, operation is very inconvenient, and efficiency is low. A bean grinding and powder pressing machine provided with a powder pressing device comprises a machine body provided with a powder hammer lifting channel, and a powder receiving opening is formed in the lower end of the powder hammer lifting channel; the powder hammer assembly comprises a powder hammer, and the powder hammer is arranged in the powder hammer lifting channel in a sliding manner; and the driving motor is arranged on the machine body, a transmission mechanism is arranged between the driving motor and the powder hammer assembly, and the driving motor drives the powder hammer assembly to ascend and descend along the powder hammer lifting channel through the transmission mechanism. According to the automatic powder pressing device, the effect of automatic powder pressing is achieved, manual powder pressing is not needed any more, and the automatic powder pressing efficiency of the automatic powder pressing device is higher.

Description

Technical Field

[0001] The utility model belongs to the technical field of coffee powder production, and particularly relates to a bean grinding and powder pressing machine equipped with a powder pressing device. Background Art

[0002] At present, there are some coffee bean grinders on the market, which are used to grind coffee beans into coffee powder. The coffee bean grinders in the prior art only have the function of grinding beans, but do not have the function of pressing powder. After the coffee powder ground by the bean grinding mechanism flows into the powder receiving cup, in order to improve the coffee extraction effect, the coffee bean powder in the powder receiving cup needs to be pressed into a pressed cake manually. This method is very inconvenient to operate and has low efficiency. Utility Model Content

[0003] The utility model provides a coffee bean grinder and powder pressing machine equipped with a powder pressing device, aiming to solve the problem that the coffee bean grinder in the prior art needs to manually press the coffee bean powder in the powder receiving cup into a pressed cake, which leads to very inconvenient operation and low efficiency.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A bean bean grinding and powder pressing machine equipped with a powder pressing device, comprising:

[0006] The machine body is provided with a powder hammer lifting channel, and the lower end of the powder hammer lifting channel is provided with a powder receiving port;

[0007] A powder hammer assembly, comprising a powder hammer and the powder hammer is slidably arranged in the powder hammer lifting channel; and,

[0008] The driving motor is arranged on the machine body, and a transmission mechanism is arranged between the driving motor and the powder hammer assembly, and the driving motor drives the powder hammer assembly to rise and fall along the powder hammer lifting channel through the transmission mechanism.

[0009] A further solution: the transmission mechanism includes a screw and a nut seat, the nut seat is arranged on the screw through a thread; the powder hammer is fixedly connected to the nut seat; the output end of the drive motor is connected to the input end of the screw.

[0010] Based on the above technical solution: the screw-nut mechanism as a transmission mechanism has the advantage of small size. Due to its small size, the space occupied by the machine body is also correspondingly smaller, thereby optimizing the structural layout of the bean grinder and powder press body and further reducing the size of the entire machine.

[0011] A further solution is that a slot with an upward opening is provided on the powder hammer, and the screw rod is inserted into the slot; when the driving motor drives the powder hammer to rise, the bottom wall of the slot gradually approaches the lower end of the screw rod; when the driving motor drives the powder hammer to descend, the bottom wall of the slot gradually moves away from the lower end of the screw rod.

[0012] Based on the above technical solution: by arranging a slot on the powder hammer and inserting the screw rod into the slot, not only the weight of the powder hammer is reduced, but also the stroke of the powder hammer when compacting powder is increased.

[0013] A further solution: the powder hammer assembly also includes a connecting piece located between the notch of the slot and the nut seat, and the connecting piece is fixedly connected to the nut seat and the powder hammer; the lower end of the screw rod is provided with a limit piece for preventing the nut seat from separating from the screw rod.

[0014] Based on the above technical solution: a limit piece is arranged at the lower end of the screw rod, and is used to place the nut seat, the connecting piece and the powder hammer away from the screw rod.

[0015] A further solution: the powder hammer includes a connecting portion located at the upper part and fixedly connected to the nut seat, a columnar body located in the middle part, and a powder pressing end located at the lower end of the columnar body.

[0016] A further solution: the powder hammer lifting channel includes a first channel located at the upper part and a second channel located at the lower part; the screw rod, nut seat and connecting part are located in the first channel, and the columnar body is slidably arranged between the first channel and the second channel.

[0017] Based on the above technical solution: the above arrangement facilitates setting the second channel into a shape matching the columnar body, thereby effectively preventing coffee powder from entering the inner cavity of the machine body through the second channel.

[0018] A further solution is that a guide portion is provided on the connecting portion, and a guide rail is provided in the first channel to cooperate with the guide portion when sliding up and down.

[0019] Based on the above technical solution: the guide part cooperates with the guide rail to prevent the powder hammer and the nut seat from rotating, so that when the driving motor drives the screw rod to rotate, the nut seat and the powder hammer move up and down under the cooperation of the guide part and the guide rail.

[0020] A further solution is that a powder hammer sealing ring is arranged around the columnar body, and when the driving motor drives the powder hammer to descend to perform the powder pressing action, the powder hammer sealing ring is sealed with the inner wall of the second channel.

[0021] Based on the above technical solution: when compacting the powder, the powder hammer sealing ring can prevent the coffee powder from entering the inner cavity of the machine body through the gap between the powder hammer and the inner wall of the second channel by sealing with the inner wall of the second channel.

[0022] A further solution: A gear transmission assembly is provided between the drive motor and the screw rod, and the gear transmission assembly includes a reduction gear connected to the output end of the drive motor and a coupling arranged between the reduction gear and the input end of the screw rod, one end of the coupling is meshed with the reduction gear, and the other end is fixedly connected to the screw rod.

[0023] A further solution is that a gear installation box is provided on the upper part of the first channel, the reduction gear and the screw coupling are arranged in the gear installation box, and a gear box cover is provided on the upper side of the gear installation box, and the drive motor is arranged on the gear box cover.

[0024] The beneficial effects of the utility model are:

[0025] In the utility model, the powder receiving port at the lower end of the powder hammer lifting channel is used to connect with the capsule cup. When compacting the powder, the driving motor drives the powder hammer to descend along the powder hammer lifting channel through the transmission mechanism, so that the powder hammer compacts the coffee powder in the capsule cup, thereby achieving the effect of automatic powder compacting. There is no need to compact the powder manually, and the automatic powder compacting efficiency of the utility model is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 The utility model is a schematic diagram of the cross-sectional structure of a bean grinding and powder pressing machine equipped with a powder pressing device.

[0028] Figure 2 It is an exploded structural diagram of the drive motor and gear mounting box.

[0029] Figure 3 It is a schematic diagram of the exploded structure of the coupling and the screw.

[0030] Figure 4 It is a schematic diagram of the exploded structure of the screw rod, nut seat, connecting parts and powder hammer.

[0031] Description of the numbers in the figure:

[0032] 1-machine body; 11-first channel; 111-guide rail; 12-second channel; 13-gear mounting box; 14-gear box cover; 15-driving motor; 16-reduction gear; 17-coupling; 171-bearing; 18-screw rod; 181-upper connecting part; 182-lower connecting part; 19-nut seat; 2-powder hammer; 21-guide part; 22-connecting part; 23-column; 24-slot; 25-powder pressing end; 26-powder hammer sealing ring; 3-connecting piece; 4-limiting piece. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0034] like Figures 1 to 4 As shown, this embodiment provides a bean grinding and powder pressing machine equipped with a powder pressing device, comprising:

[0035] The machine body 1 is provided with a lifting passage for a powder hammer 2, and a powder receiving port is provided at the lower end of the lifting passage for the powder hammer 2;

[0036] A powder hammer 2 assembly, comprising a powder hammer 2 and the powder hammer 2 is slidably arranged in the powder hammer 2 lifting channel; and,

[0037] The driving motor 15 is arranged on the machine body 1, and a transmission mechanism is arranged between the driving motor 15 and the powder hammer 2 assembly, and the driving motor 15 drives the powder hammer 2 assembly to rise and fall along the lifting channel of the powder hammer 2 through the transmission mechanism. The powder receiving port is used to dock with the capsule cup, and when compacting the powder, the lower end of the powder hammer 2 is pressed into the capsule cup to compact the coffee powder in the capsule cup.

[0038] like Figures 1 to 4 As shown, in this embodiment, in order to make the transmission mechanism have a smaller size, thereby reducing the volume it occupies in the body 1, the transmission mechanism is provided in this embodiment to include a screw 18 and a nut seat 19, wherein the nut seat 19 is provided on the screw 18 by a thread; the powder hammer 2 is fixedly connected to the nut seat 19; and the output end of the driving motor 15 is connected to the input end of the screw 18. The driving motor 15 drives the screw 18 to rotate, forward or reverse, thereby correspondingly driving the nut seat 19 to drive the powder hammer 2 to rise or fall.

[0039] In this embodiment, in order to further reduce the weight of the powder hammer 2, a slot 24 with an opening facing upward is provided on the powder hammer 2, and the screw rod 18 is inserted into the slot 24; the screw rod 18 remains in a constant position up and down in the machine body 1, and when the driving motor 15 drives the powder hammer 2 to rise, the bottom wall of the slot 24 gradually approaches the lower end of the screw rod 18, so that the screw rod 18 gradually enters the slot 24; when the driving motor 15 drives the powder hammer 2 to descend, the bottom wall of the slot 24 gradually moves away from the lower end of the screw rod 18. The provision of the slot 24 not only reduces the weight of the powder hammer 2, but also increases the stroke of the powder hammer 2 in the up and down directions when performing the powder compacting action, and the powder compacting effect is better.

[0040] In this embodiment, as a specific structure of the powder hammer 2, the powder hammer 2 includes a connecting portion 22 located at the upper part and fixedly connected to the nut seat 19, a columnar body 23 located in the middle part, and a powder pressing end 25 located at the lower end of the columnar body 23. The notch of the slot 24 is set at the upper end of the connecting portion 22.

[0041] Among them, Figures 1 to 4 As shown, in order to facilitate the assembly of the hammer 2 and the nut seat 19, the hammer 2 assembly of this embodiment also includes a connecting member 3 located between the notch of the slot 24 and the nut seat 19, and the connecting member 3 is fixedly connected to the nut seat 19 and the hammer 2; the lower end of the screw rod 18 is provided with a stopper 4 for preventing the nut seat 19 from being separated from the screw rod 18. Specifically, a mounting hole is provided in the middle of the connecting member 3, and a plug-in portion inserted in the mounting hole is provided on the nut seat 19. The plug-in portion is inserted in the mounting hole and the nut seat 19 and the connecting member 3 are fixed together by a plurality of first screws. A lower connecting portion 182 is provided at the lower end of the screw rod 18. After the lower connecting portion 182 passes through the plug-in portion, it can be fixedly connected with the stopper 4 by a positioning pin. The diameter of the stopper 4 is preferably set to be larger than the diameter of the through hole in the middle of the plug-in portion. The specific method of fixedly connecting the connecting member 3 and the powder hammer 2 can be that the lower part of the connecting member 3 is directly inserted into the slot 24, and a plurality of second screw holes are provided on the outer wall surrounding the connecting member 3 and the outer wall surrounding the connecting portion 22 of the powder hammer 2, and the second screws are correspondingly inserted into the second screw holes of the two to fix the two together.

[0042] In this embodiment, Figure 1As shown, in order to facilitate the columnar body 23 to slide along the lifting channel of the hammer 2 to perform the powder pressing action, and in order to further prevent the coffee powder from entering the inner cavity of the machine body 1, the lifting channel of the hammer 2 is provided in this embodiment, including a first channel 11 located at the upper part and a second channel 12 located at the lower part; the screw rod 18, the nut seat 19 and the connecting part 22 are located in the first channel 11, and the columnar body 23 is slidably arranged between the first channel 11 and the second channel 12. The shape of the second channel 12 can be set to a shape that matches the columnar body 23, so that the gap between the outer wall of the columnar body 23 and the inner wall of the second channel 12 is smaller, thereby preventing the coffee powder from entering. A more preferred solution is that a hammer seal ring 26 is arranged around the columnar body 23, and when the driving motor 15 drives the hammer 2 to descend to perform the powder pressing action, the hammer seal ring 26 is sealed with the inner wall of the second channel 12, so that when the hammer 2 is pressing the powder, the coffee powder is prevented from entering the machine body 1 from the gap between the hammer 2 and the second channel 12. The hammer seal ring 26 is preferably arranged near the upper part of the column 23, so as to reduce the friction distance between the hammer seal ring 26 and the inner wall of the second channel 12 when the hammer 2 enters the second channel 12. The specific connection structure between the hammer seal ring 26 and the hammer 2 can be arranged such that an annular groove is provided around the column 23 near the upper end of the column 23, and the hammer seal ring 26 is sleeved in the annular groove.

[0043] In this embodiment, a guide portion 21 is provided on the connecting portion 22, and a guide rail 111 is provided in the first channel 11 to cooperate with the guide portion 21 when sliding up and down. The guide portion 21 cooperates with the guide rail 111 to prevent the hammer 2 and the nut seat 19 from rotating, so that when the driving motor 15 drives the screw rod 18 to rotate, the nut seat 19 and the hammer 2 move up and down under the cooperation of the guide portion 21 and the guide rail 111.

[0044] In this embodiment, Figures 1 to 4 As shown, the connection structure between the drive motor 15 and the screw rod 18 can be specifically configured as follows: a gear transmission assembly is provided between the drive motor 15 and the screw rod 18, and the gear transmission assembly includes a reduction gear 16 connected to the output end of the drive motor 15 and a coupling 17 provided at the input end of the reduction gear 16 and the screw rod 18, one end of the coupling 17 is meshed with the reduction gear 16, and the other end is fixedly connected to the screw rod 18. Specifically, an upper connecting portion 181 is provided at the upper end of the screw rod 18, and the upper connecting portion 181 is inserted into the groove of the coupling 17 and is fixedly connected to the coupling 17 through a latch. The coupling 17 can be provided on the upper side of the second channel 12 through a bearing 171.

[0045] In this embodiment, in order to further seal the lifting channel of the hammer 2, a gear installation box 13 is provided at the upper part of the first channel 11, the reduction gear 16 and the screw 18 coupling 17 are arranged in the gear installation box 13, and a gear box cover 14 is provided on the upper side of the gear installation box 13, and the drive motor 15 is arranged on the gear box cover 14. The gear box cover 14 can be fixedly connected to the gear installation box 13 by screws.

[0046] Working principle description:

[0047] When the powder pressing device is working, the powder receiving cup or capsule cup is connected to the powder receiving port, the driving motor 15 is started, and the powder hammer 2 is driven by the screw rod 18 and the nut mechanism to perform the powder pressing action along the powder hammer 2 lifting channel to compact the coffee powder in the powder receiving cup or capsule cup. After that, the powder hammer 2 rises and resets under the drive of the driving motor 15, so as to facilitate the removal of the capsule cup or powder receiving cup.

[0048] The present utility model is not limited to the above optional implementation modes. Under the premise of not conflicting with each other, the various schemes can be combined arbitrarily. Anyone can derive other forms of products under the inspiration of the present utility model. However, no matter what changes are made in their shapes or structures, all technical schemes that fall within the scope defined by the claims of the present utility model fall within the protection scope of the present utility model.

Claims

1. A bean bean grinding and powder pressing machine equipped with a powder pressing device, characterized in that: include: The machine body is provided with a powder hammer lifting channel, and the lower end of the powder hammer lifting channel is provided with a powder receiving port; A powder hammer assembly, comprising a powder hammer and the powder hammer is slidably arranged in the powder hammer lifting channel; and, The driving motor is arranged on the machine body, and a transmission mechanism is arranged between the driving motor and the powder hammer assembly, and the driving motor drives the powder hammer assembly to rise and fall along the powder hammer lifting channel through the transmission mechanism.

2. The bean coffee bean grinding and powder pressing machine equipped with a powder pressing device according to claim 1, characterized in that: The transmission mechanism comprises a screw rod and a nut seat, wherein the nut seat is arranged on the screw rod through a thread; the powder hammer is fixedly connected to the nut seat; and the output end of the driving motor is connected to the input end of the screw rod.

3. The bean coffee bean grinding and powder pressing machine equipped with a powder pressing device according to claim 2, characterized in that: The powder hammer is provided with a slot with an opening facing upward, and the screw rod is inserted into the slot; when the driving motor drives the powder hammer to rise, the bottom wall of the slot gradually approaches the lower end of the screw rod; when the driving motor drives the powder hammer to descend, the bottom wall of the slot gradually moves away from the lower end of the screw rod.

4. The bean coffee bean grinding and powder pressing machine equipped with a powder pressing device according to claim 3, characterized in that: The powder hammer assembly also includes a connecting piece located between the notch of the slot and the nut seat, and the connecting piece is fixedly connected to both the nut seat and the powder hammer; a limiting piece is provided at the lower end of the screw rod to prevent the nut seat from separating from the screw rod.

5. The bean coffee bean grinding and powder pressing machine equipped with a powder pressing device according to claim 2, characterized in that: The powder hammer comprises a connecting portion located at the upper part and fixedly connected to the nut seat, a columnar body located in the middle part, and a powder pressing end located at the lower end of the columnar body.

6. The bean coffee bean grinding and powder pressing machine equipped with a powder pressing device according to claim 5, characterized in that: The powder hammer lifting channel includes a first channel located at the upper part and a second channel located at the lower part; the screw rod, the nut seat and the connecting part are located in the first channel, and the columnar body is slidably arranged between the first channel and the second channel.

7. The bean coffee bean grinding and powder pressing machine equipped with a powder pressing device according to claim 6, characterized in that: A guide portion is provided on the connecting portion, and a guide rail is provided in the first channel to cooperate with the guide portion when sliding up and down.

8. The bean coffee bean grinding and powder pressing machine equipped with a powder pressing device according to claim 6, characterized in that: A powder hammer sealing ring is arranged around the columnar body. When the driving motor drives the powder hammer to descend to perform a powder pressing action, the powder hammer sealing ring is sealed with the inner side wall of the second channel.

9. The bean coffee bean grinding and powder pressing machine equipped with a powder pressing device according to claim 6, characterized in that: A gear transmission assembly is provided between the drive motor and the screw rod, and the gear transmission assembly includes a reduction gear connected to the output end of the drive motor and a coupling arranged between the reduction gear and the input end of the screw rod, one end of the coupling is meshed with the reduction gear, and the other end is fixedly connected to the screw rod.

10. The bean coffee grinding and powder pressing machine equipped with a powder pressing device according to claim 9, characterized in that: A gear installation box is provided at the upper portion of the first channel, the reduction gear and the screw coupling are arranged in the gear installation box, and a gear box cover is provided on the upper side of the gear installation box, and the drive motor is arranged on the gear box cover.

Images