Tool rest structure of flour mill

Abstract

The knife rest structure comprises a knife disc, a knife rest base and a plurality of knives, the knife rest base is coaxially and fixedly installed in the middle of the knife disc, a plurality of sets of symmetrically-distributed limiting grooves are formed in the end faces of the two sides of the knife disc in the circumferential direction, one end of each limiting groove is communicated with the outer side of the knife disc, and the other end of each limiting groove is communicated with the knife disc. The cutters are fixed to the outer side of the cutter head through U-shaped connecting pieces, the two ends of each connecting piece extend into the corresponding limiting groove in the same set and are fixed through first locking pieces inserted into the cutter head in a penetrating mode, the limiting grooves are provided with protruding clamping strips in the moving direction of the connecting pieces, and clamping grooves matched with the clamping strips are formed in the inner sides of the connecting pieces. The connecting piece is provided with the mounting groove used for mounting the cutter, the cutter is vertically fixed to the outer side of the cutter head through the mounting groove, the extending parts extending towards one end of the cutter are arranged on the two sides of the mounting groove, and the two extending parts are tightly attached to the outer side of the cutter and fixed through the second locking piece inserted into the cutter in a penetrating mode, so that assembling is convenient, and stability is improved.

Description

Technical Field

[0001] This utility model relates to the field of tool holder technology, specifically a tool holder structure for a grinding mill. Background Technology

[0002] In the field of grinding mills, the cutter holder structure is one of the core components, and its performance directly affects grinding efficiency, product quality, and equipment lifespan. Traditional grinding mill cutter holder structures often suffer from inconvenient assembly and poor stability, which to some extent limits the development and application of grinding mills.

[0003] Specifically, traditional cutter holder structures typically require complex adjustment steps during assembly to ensure the cutters are accurately and stably mounted on the cutter head. This not only increases assembly difficulty and time costs but also easily introduces errors during assembly, affecting the overall performance of the grinding mill. Furthermore, because the cutters are subjected to significant vibration and impact during high-speed rotation, traditional cutter holder structures often struggle to guarantee the long-term stability of the cutters, leading to loosening or detachment. This not only reduces grinding efficiency but can also damage the equipment and even cause safety accidents. Utility Model Content

[0004] In order to overcome the shortcomings of existing technical solutions, this utility model provides a grinding mill blade holder structure, which can effectively solve the technical problems of inconvenient assembly and poor stability.

[0005] The technical solution adopted by this utility model to solve its technical problem is:

[0006] A grinding mill cutter holder structure includes a cutter disc, a cutter holder base, and a plurality of cutters. The cutter holder base is coaxially fixedly installed in the middle of the cutter disc. Several sets of symmetrically distributed limiting grooves are formed on the two end faces of the cutter disc along the circumferential direction. One end of each limiting groove communicates with the outer side of the cutter disc. The cutters are fixed to the outer side of the cutter disc by U-shaped connectors. Both ends of the connectors extend into the limiting grooves of the same set and are fixed by a first locking member inserted inside the cutter disc. The limiting grooves are provided with protruding retaining strips along the direction of movement of the connectors. The inner side of the connectors is provided with retaining grooves that match the retaining strips. The connectors are provided with mounting grooves for mounting the cutters. The cutters are vertically fixed to the outer side of the cutter disc through the mounting grooves. Extensions extending towards one end of the cutter are provided on both sides of the mounting grooves. The two extensions are close to the outer side of the cutter and are fixed by a second locking member inserted inside the cutter.

[0007] Furthermore, both ends of the tool holder extend outward along the axial direction of the tool disc, and the tool holder is provided with holes for mounting the drive shaft, and the inner wall of the holes is provided with a foolproof part.

[0008] Furthermore, the tool holder is composed of a first tool holder and a second tool holder installed on both sides of the tool disc. The first tool holder and the second tool holder are connected and fixed through a pre-set central hole in the middle of the tool disc. Both the first tool holder and the second tool holder are provided with a fitting part that fits against the outside of the tool disc.

[0009] Furthermore, the inner side of the connector is provided with an arc-shaped surface with the same curvature as the outer side of the cutter head.

[0010] Furthermore, both ends of the cutting tool extend in the axial direction of the cutter head and extend beyond the two end faces of the cutter head.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] The tool holder structure provided by this utility model achieves rapid tool positioning and installation through the cooperation of the limiting groove and the connecting piece, eliminating the need for cumbersome adjustment steps. At the same time, the tight cooperation between the retaining strip and the retaining groove further simplifies the installation process and ensures the stable sliding of the connecting piece within the limiting groove. This not only improves the stability of the assembly connection and prevents the tool from loosening or falling off due to vibration or impact, but also avoids misalignment and deviation during the installation process, greatly improving installation efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0014] Figure 2 This is a schematic diagram of the tool holder after the tool is removed, according to an embodiment of this utility model.

[0015] Figure 3 This is an exploded view of the internal structure of the tool holder in an embodiment of this utility model.

[0016] Numbering on the map:

[0017] 1-Cutter head, 2-Cutter holder, 3-Cutter, 4-Connector, 5-First locking element, 6-Second locking element;

[0018] 101-Limiting groove, 102-Card strip, 103-Center hole;

[0019] 201-Hole position, 202-Fault-proof part, 203-First tool holder, 204-Second tool holder, 205-Mating part;

[0020] 401-Card slot, 402-Mounting slot, 403-Extension, 404-Curved surface. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figure 1-3 As shown, this utility model provides a grinding mill blade holder structure, which aims to provide a blade holder structure that is stable, easy to install, and can effectively fix the blades, so as to improve the grinding efficiency and operational stability of the grinding mill.

[0023] The main components of the grinding mill cutter holder structure include a cutter disc 1, a cutter holder base 2, and several cutters 3. The cutter holder base 2 is coaxially and fixedly installed in the middle of the cutter disc 1, serving as the supporting foundation for the entire cutter holder structure. On both end faces of the cutter disc 1, several sets of symmetrically distributed limiting grooves 101 are evenly formed along its circumference. One end of these limiting grooves 101 is connected to the outer edge of the cutter disc 1, and is designed to guide and position the installation position of the cutters 3 through the connecting piece 4.

[0024] Each set of limiting grooves 101 is designed with raised retaining strips 102, which extend along the possible movement direction of the connector 4. To match the retaining strips 102, the inner side of the U-shaped connector 4 is provided with a corresponding retaining groove 401, ensuring that the connector 4 can slide stably within the limiting grooves 101 and is not easily dislodged. The main body of the connector 4 has a mounting groove 402, which is used to vertically fix the cutter 3 to the outside of the cutter head 1. The mounting groove 402 is also provided with extensions 403 extending towards one end of the cutter 3 on both sides. These two extensions are close to the outer wall of the cutter 3, and the fixation of the cutter 3 is further reinforced by a second locking member 6 (such as a bolt or pin) inserted inside the cutter 3.

[0025] To securely lock the connector 4 and its blade 3 onto the cutter head 1, a first locking element 5 (such as a bolt) passes through the interior of the cutter head 1 and engages with the corresponding part of the connector 4 to achieve a locking function. This design not only simplifies the installation process but also enhances the overall stability of the structure.

[0026] Both ends of the tool holder 2 extend outward along the axial direction of the tool disc 1 to facilitate connection with the drive shaft or other drive components. The tool holder 2 has a hole 201 for mounting the drive shaft, and the inner wall of the hole is designed with a foolproof part 202. This design effectively prevents the drive shaft from being misinstalled during the installation process, ensuring the accuracy and safety of the transmission.

[0027] The tool holder 2 consists of two parts: a first tool holder 203 and a second tool holder 204, which are respectively mounted on the two end faces of the cutter head 1 and are tightly connected and fixed through a pre-set central hole 103 in the middle of the cutter head 1. Both the first tool holder 203 and the second tool holder 204 are provided with a fitting part 205 that fits against the outside of the cutter head 1. This not only enhances the stability of the structure but also ensures a good contact area between the tool holder and the cutter head, which is beneficial for force transmission.

[0028] To further enhance the adaptability and stability of the structure, the inner side of the connector 4 is designed with an arc surface 404 that has the same curvature as the outer side of the cutter head 1. This design allows the connector 4 to fit more closely around the outer side of the cutter head 1 during installation, reducing installation gaps and improving overall stability.

[0029] Furthermore, both ends of the cutting tool 3 extend axially towards the cutter head 1 and exceed the two end faces of the cutter head 1. This not only increases the effective working length of the cutting tool but also facilitates operation during maintenance or tool replacement.

[0030] In summary, the mill cutter holder structure of this solution, through its ingeniously designed locking mechanism, achieves efficient and stable installation of the cutters, significantly improving the mill's operating efficiency and reliability. Simultaneously, the optimized structure of the cutter holder base and the design of the connecting components further enhance the overall stability and durability of the structure, providing a strong guarantee for the long-term stable operation of the mill.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention, and no reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A grinding mill cutter holder structure, comprising a cutter disc, a cutter holder base, and a plurality of cutters, characterized in that: The tool holder is coaxially fixedly installed in the middle of the tool disc. Several sets of symmetrically distributed limiting grooves are opened on the two end faces of the tool disc along the circumference. One end of the limiting groove is connected to the outside of the tool disc. The tool is fixed to the outside of the tool disc by a U-shaped connector. The two ends of the connector extend into the limiting groove of the same group and are fixed by a first locking member inserted inside the tool disc. The limiting groove is provided with a protruding retaining strip along the direction of movement of the connector. The inner side of the connector is provided with a retaining groove that matches the retaining strip. The connector is provided with a mounting groove for mounting the tool. The tool is vertically fixed to the outside of the tool disc through the mounting groove. The two sides of the mounting groove are provided with extensions extending towards one end of the tool. The two extensions are close to the outside of the tool and are fixed by a second locking member inserted inside the tool.

2. A mill cutter holder structure according to claim 1, characterized in that: The two ends of the tool holder extend outward along the axial direction of the tool disc, and the tool holder is provided with holes for mounting the drive shaft, and the inner wall of the holes is provided with a foolproof part.

3. A mill cutter holder structure according to claim 2, wherein: The tool holder consists of a first tool holder and a second tool holder installed on both sides of the tool disc. The first tool holder and the second tool holder are connected and fixed through a pre-set central hole in the middle of the tool disc. Both the first tool holder and the second tool holder are provided with a fitting part that fits against the outside of the tool disc.

4. A mill cutter holder structure according to claim 1, characterized in that: The inner side of the connector is provided with an arc-shaped surface with the same curvature as the outer side of the cutter head.

5. A mill cutter holder structure according to claim 1, wherein: Both ends of the cutting tool extend in the axial direction of the cutter head and extend beyond the two end faces of the cutter head.

Images