Fixed cutter head parallelism adjusting structure

By using a combination of guide shaft and support spring in the parallelism adjustment structure of the fixed cutter head, the parallelism problem caused by guide shaft tilt and bolt rotation is solved, realizing the parallelism adjustment of the fixed cutter head and the moving cutter head and the uniformity of grinding.

CN223759712UActive Publication Date: 2026-01-06黄晨
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Patent Information

Application Number
CN202520174625.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-26
Publication Date
2026-01-06
Estimated Expiration
2035-01-26

AI Technical Summary

Technical Problem

In the existing technology, the parallelism adjustment structure of the fixed cutter head has the problem of uneven vertical movement caused by the tilt of the guide shaft, and the parallelism is affected when the bolts are tightened or loosened.

Method used

The guide shaft is fixed to the bottom of the fixed tool holder with bolts and is equipped with a support spring, so that the outer adjustment plate and the fixed tool holder are suspended on the top of the base. The parallelism of the fixed tool plate and the moving tool plate can be adjusted by lifting and lowering the load bolts and load springs at the four corners of the base.

Benefits of technology

It achieves smooth parallelism adjustment between the fixed and moving cutter discs, avoiding parallelism failure caused by guide shaft tilting and bolt rotation, and ensuring uniformity in the grinding process.

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Abstract

The utility model provides a fixed cutter head parallelism adjusting structure, and belongs to the technical field of fixed cutter head leveling. Comprising a base, an outer adjusting disc is arranged above the base, a fixed tool apron is installed between the base and the outer adjusting disc, a guide shaft is fixed to the outer side of the bottom of the fixed tool apron through a bolt, the guide shaft is sleeved with a supporting spring, a guide hole is formed in the top of the base, the bottom end of the guide shaft is inserted into the guide hole, and a movable tool disc is rotationally connected to the top of the base; a fixed cutter head is arranged at the top of a movable cutter head 7, a guide shaft is fixed to the bottom of a fixed cutter holder through a bolt, the bottom end of the guide shaft is inserted into a guide hole in the top of a base, and under the action of a supporting spring, an outer adjusting disc and the fixed cutter holder are suspended at the top of the base, so that free lifting adjustment of the vertical height is achieved; the problem that in the prior art, the smoothness of vertical lifting is affected by inclination of a guide shaft is avoided, and meanwhile the problem that the parallelism fails due to the fact that a loading spring and a lead screw arranged at the bottom of an original structure are driven to rotate by screwing and unscrewing a bolt is solved.
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Description

Technical Field

[0001] This utility model relates to the field of fixed tool disc leveling technology, and in particular to a fixed tool disc parallelism adjustment structure. Background Technology

[0002] The leveling of the fixed blades in a flat-blade coffee grinder is to ensure the parallelism and fit between the blades during the grinding process, so as to achieve a uniform grinding effect.

[0003] In the prior art, utility model application number CN202321712591.6 provides a quick leveling structure for the fixed blade of a flat-blade coffee grinder, including a base and a fixed blade holder. Lead screws are installed at the four corners of the base's bottom. Four correspondingly distributed load-bearing springs are installed inside the base. Correspondingly distributed moving blades are installed within the inner cavity of the base. Four correspondingly distributed bushings are installed inside the fixed blade holder. The bottom of the inner component of the threaded adjustment structure is pressed against a plane bearing, which in turn presses against the fixed blade holder. The threaded adjustment inner component does not directly contact the fixed blade holder, greatly reducing friction during rotation. By reasonably adjusting the up-and-down movement of the guide shaft, the parallelism of the fixed and moving blades can be quickly adjusted.

[0004] However, during actual use, the applicant discovered that:

[0005] First, the guide shaft and guide sleeve are precision fits, so a large gap must be left between the guide shaft and the hole on the base to ensure a smooth fit between the guide shaft and the bushing on the fixed tool holder. Since there is a load-bearing spring at the bottom of the guide shaft, the guide shaft may tilt when the lead screw is tightened, causing the fixed tool holder to move up and down unevenly.

[0006] Second, since the threaded adjustment external component is also fixed to the guide shaft by bolts, when the bolts are tightened or loosened and rotated, the lead screw may also rotate through the guide shaft, thus affecting the parallelism between the already adjusted fixed cutter head and the moving cutter head.

[0007] Therefore, this application provides a fixed tool disc parallelism adjustment structure to meet the requirements. Utility Model Content

[0008] The technical problem to be solved by this utility model is to provide a fixed tool disc parallelism adjustment structure, thereby solving the technical problems existing in the prior art.

[0009] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0010] A fixed tool disc parallelism adjustment structure, comprising a base and an outer adjustment disc positioned above the base;

[0011] A fixed tool holder is placed between a base and an outer adjusting plate. A guide shaft is provided on the fixed tool holder. A guide hole is provided on the top of the base. A support spring is sleeved on the guide shaft. The bottom end of the guide shaft is placed inside the guide hole. A movable tool disc is provided on the top of the base. A movable tool holder is provided on the movable tool disc. A fixed tool disc is provided on the top of the movable tool disc.

[0012] A load-bearing bolt is located on the top of the base, and a load-bearing spring is fitted onto the load-bearing bolt.

[0013] Optionally, an inner adjustment disc is provided on the top of the outer adjustment disc.

[0014] Optionally, a scale pointer is provided on the outer side of the inner adjustment dial, and a scale is provided on the top of the outer adjustment dial, located outside the inner adjustment dial.

[0015] Compared with the prior art, this utility model has at least the following beneficial effects:

[0016] The guide shaft is fixed to the bottom of the fixed tool holder with bolts. The bottom end of the guide shaft is inserted into the guide hole at the top of the base. Under the action of the support spring, the outer adjustment plate and the fixed tool holder are suspended on the top of the base, thereby realizing free adjustment of the vertical height. This avoids the problem of the guide shaft tilting affecting the smoothness of vertical lifting in the existing technology, and also avoids the problem of parallelism failure caused by the original structure's load spring and lead screw rotating due to the loosening of the bolts.

[0017] By setting four load-bearing bolts at the bottom of the base, the base is supported in four directions. At the same time, load-bearing springs are fitted on each of the four load-bearing bolts. By adjusting the lifting and lowering of the four corners of the base, the parallelism of the fixed cutter head and the moving cutter head can be adjusted. Attached Figure Description

[0018] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the present invention and, together with the specification, further serve to explain the principles of the present invention and enable those skilled in the art to implement and use the present invention.

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a schematic diagram showing the structural breakdown of this utility model;

[0021] Figure 3 This is a top view of the disassembled structure of this utility model;

[0022] Figure 4 This is a side view of the disassembled structure of this utility model.

[0023] [Figure Labels]

[0024] 1. Base; 2. External adjustment plate; 3. Fixed tool holder; 4. Guide shaft; 5. Support spring; 6. Guide hole; 7. Moving tool disc; 8. Load bolt; 9. Load spring; 10. Internal adjustment plate; 11. Scale pointer; 12. Scale; 13. Fixed tool disc; 14. Moving tool holder.

[0025] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiment of this utility model. However, this is only for illustrative purposes and is not intended to limit this utility model to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation

[0026] The parallelism adjustment structure of the fixed tool disc provided by this utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. It should also be noted that, in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can also use other alternative methods to implement some known technologies; moreover, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this utility model.

[0027] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the art.

[0028] Generally, terms can be understood at least partly from their use in context. For example, depending at least partly on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood not necessarily to convey an exclusive set of factors, but rather, alternatively, depending at least partly on the context, to allow for the presence of other factors that are not necessarily explicitly described.

[0029] It is understood that the meanings of “on”, “above”, and “above” in this utility model should be interpreted in the broadest manner, such that “on” not only means “directly on” something, but also includes the meaning of being “on” something with an intervening feature or layer, and that “above” or “above” not only means “on” something, but also includes the meaning of being “on” something without an intervening feature or layer.

[0030] Furthermore, spatially related terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for convenience to describe the relationship of one element or feature to one or more other elements or features, as illustrated in the accompanying drawings. Spatially related terms are intended to cover different orientations in the use or operation of the device other than those depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially related descriptive terms used herein can be interpreted similarly.

[0031] like Figure 1 , Figure 2 and Figure 3 As shown, this embodiment of the present invention provides a parallelism adjustment structure for a fixed tool disc, including a base 1, an outer adjustment disc 2 disposed above the base 1, a fixed tool holder 3 installed between the base 1 and the outer adjustment disc 2, a guide shaft 4 fixed to the bottom outer side of the fixed tool holder 3 by bolts, a support spring 5 sleeved on the guide shaft 4, a guide hole 6 opened at the top of the base 1, and the bottom end of the guide shaft 4 inserted into the guide hole 6. The guide shaft 4 is fixed to the bottom of the fixed tool holder 3 by bolts, and the bottom end of the guide shaft 4 is inserted into the guide hole 6 at the top of the base 1. Under the action of the support spring 5, the outer adjustment disc 2 and the fixed tool holder 3 are suspended above the base 1, thereby realizing free adjustment of the vertical height. This avoids the problem of the guide shaft tilting affecting the smoothness of vertical lifting in the prior art, and also avoids the problem of parallelism failure caused by the rotation of the load spring and lead screw at the bottom of the original structure due to the loosening of the bolts. The base 1 has a movable cutter disc 7 on its top, a movable cutter holder 14 on its movable cutter disc 7, a fixed cutter disc 13 on its top, and a drive hole at its bottom. The movable cutter disc 7 can be rotated and ground by placing it on a drive device (such as a motor).

[0032] A load-bearing bolt 8 is inserted into the bottom of the base 1, and a load-bearing spring 9 is fitted onto the load-bearing bolt 8.

[0033] By setting four load-bearing bolts 8 at the bottom of the base 1, the base 1 is supported in four directions. At the same time, load-bearing springs 9 are fitted on each of the four load-bearing bolts 8. By adjusting the lifting and lowering of the four corners of the base 1, the parallelism between the fixed cutter head 13 and the moving cutter head is adjusted.

[0034] like Figure 2 As shown, the top of the outer adjusting disk 2 is rotatably (threaded) equipped with an inner adjusting disk 10, thereby adjusting the fineness of the grinding powder. By rotating, the inner adjusting disk 10 moves up and down, thereby adjusting the distance between the fixed blade holder 3 and the moving blade disk 7 and the fixed blade disk 13, thus achieving the adjustment of the fineness of the grinding powder.

[0035] like Figure 1 , Figure 2 As shown, the outer side of the inner adjusting plate 10 is fixed with a scale pointer 11 by bolts, and the top of the outer adjusting plate 2, located outside the inner adjusting plate 10, is provided with a scale 12, thereby realizing the adjustment of the fineness of grinding.

[0036] This utility model encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this utility model. To provide the public with a thorough understanding of this utility model, specific details are described in detail in the following preferred embodiments; however, those skilled in the art will fully understand this utility model even without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of this utility model, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0037] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A parallelism adjustment structure of a fixed cutter head, characterized in that, Include: Base (1) and placed on the base (1) above the outer adjustment disc (2); Fixed knife seat (3), the fixed knife seat (3) is placed between the base (1) and the outer adjustment disc (2), the top of the base (1) is provided with a guide hole (6), the guide shaft (4) is provided with a supporting spring (5), the bottom end of the guide shaft (4) is placed inside the guide hole (6), the top of the base (1) is provided with a moving knife disc (7), the moving knife disc (7) is provided with a moving knife seat (14), the top of the moving knife disc (7) is provided with a fixed knife disc (13); Load bolt (8), the load bolt (8) is provided on the top of the base (1), and the load bolt (8) is provided with a load spring (9).

2. The cutter head parallelism adjustment structure according to claim 1, characterized in that, The top of the outer adjustment disc (2) is provided with an inner adjustment disc (10).

3. The cutterhead parallelism adjustment structure according to claim 2, characterized in that, The outer side of the inner adjustment disc (10) is provided with a scale pointer (11), and the top of the outer adjustment disc (2) and outside the inner adjustment disc (10) is provided with a scale (12).

Citation Information

Patent Citations

  • Fixed cutter head rapid leveling structure of flat cutter head coffee bean grinder

    CN220459224U