Hob shaft protection structure

Abstract

The utility model provides a hob shaft protection structure, which relates to the technical field of machining, and comprises a protection mechanism, a fixing mechanism is arranged in the protection mechanism, the protection mechanism comprises a hob shaft body, and a hob body is arranged at one end of the hob shaft body. A bearing is pushed along the path of a hob shaft, a semicircular block of a hollow plate is pressed and moves by pressing an inclined plate, a triangular plate is close to two locking blocks, and when the triangular plate is close to the two locking blocks, the triangular plate vertically extrudes the locking blocks, so that the end positions of the locking blocks are exposed from the inner side and the outer side of a connecting rod and are clamped in hanging lugs, and therefore the bearing is fixed; and it is ensured that the bearings are tightly connected with the hob shaft body, large-amplitude swing of the hob shaft body during operation is reduced, and the assembling stability and the working precision are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a hob shaft protection structure. Background Art

[0002] The hob shaft is a rotating shaft used for machining, commonly found in milling machines, lathes, planers and other processing equipment. It consists of a cylindrical axis and a hob mounted on the axis. The main function of the hob shaft is to cut, mill or plan the workpiece by rotating and moving the hob.

[0003] In the existing technology, when the hob shaft is processing a workpiece, it needs to rely on a power source to rotate and process the workpiece. However, during rotation, the head and tail of the hob shaft may be unstable due to the high rotation speed, which may cause large swings and affect the processing quality of the workpiece. And when the hob shaft is unbalanced, it will cause vibration, which will lead to unstable distribution of cutting force, making the cutting surface uneven, increasing surface roughness, and even causing damage to the tool, so that the accuracy of the workpiece after processing cannot reach the desired effect. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings in the prior art and provide a hob shaft protection structure.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a roller cutter shaft protection structure, comprising: a protection mechanism, a fixing mechanism is arranged inside the protection mechanism, the protection mechanism comprises a roller cutter shaft body, a roller cutter body is arranged at one end of the roller cutter shaft body, a connecting rod is arranged at one end of the roller cutter body, a spring piece is arranged inside the connecting rod, a hollow plate is arranged at one end of the spring piece, a triangular plate is arranged at one end of the hollow plate, two locking blocks are arranged on one side of the triangular plate, a hanging ear is arranged at one end of the locking block, a bearing is arranged at one end of the hanging ear, a semicircular block is arranged on the inner wall of the hollow plate, an inclined plate is arranged on the outer side of the semicircular block, and a folding plate is arranged at one end of the side of the inclined plate.

[0006] As a preferred embodiment, the fixing mechanism includes a bolt, a gasket is arranged on the outside of the bolt, the bottom of the gasket is in contact with the top of the connecting rod, the inside of the connecting rod is connected through the outside of the bolt, and one end of the bolt is respectively connected to the internal threads of the folding plate and the inclined plate.

[0007] As a preferred embodiment, the outer side of the hob shaft body is clamped with the inner ring of the bearing, the outer side of the bearing is fixedly connected to one end of the hanging ear, and the interior of one end of the hanging ear is connected through one end of the locking block.

[0008] As a preferred embodiment, the bottom end of the locking block contacts one side of the triangular plate, one end of the triangular plate is fixedly connected to one end of the hollow plate, and one side of the inner wall of the hollow plate is fixedly connected to one end of the semicircular block.

[0009] As a preferred embodiment, the outer side of the semicircular block contacts one side of the inclined plate, the top of the inclined plate is connected through the inside of the connecting rod, and one end of the connecting rod is fixedly connected to one end of the hob body.

[0010] As a preferred embodiment, the interior of the connecting rod is fixedly connected to the top end of the folding plate, and the other end surface of the folding plate is in contact with one end of the side surface of the inclined plate.

[0011] As a preferred implementation, one end of the hollow plate is fixedly connected to one end of the spring sheet.

[0012] As a preferred implementation, the other end of the spring is fixedly connected to the inside of the connecting rod.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. Push the bearing along the path of the hob shaft, press the inclined plate to make the semicircular block of the hollow plate be pressurized and move, and the triangular plate will approach the two locking blocks. When approaching, the locking blocks will be vertically squeezed, so that the end position will leak out from the connecting rod and be clamped in the hanging ear, thereby fixing the bearing, ensuring that the bearing is tightly connected to the hob shaft body, reducing the large swing of the hob shaft body during operation, and improving the stability of assembly and the accuracy of work;

[0015] 2. By fastening the folding plate and the inclined plate with bolts, the firmness of the connection can be ensured, while providing a stable guarantee for other components, avoiding unexpected situations due to insufficient reliability, and enabling them to withstand greater loads and vibrations. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a structural schematic diagram of a roller cutter shaft protection structure.

[0017] Figure 2 This is a schematic diagram of the enlarged structure of the components of a hob shaft protection structure provided by the utility model.

[0018] Figure 3 The utility model provides a schematic diagram of the cross-sectional structure of a component of a roller cutter shaft protection structure.

[0019] Figure 4 A schematic diagram of the component disassembly structure of a roller cutter shaft protection structure provided by the utility model.

[0020] Legend:

[0021] 1. Protective mechanism; 11. Hob shaft body; 12. Bearing; 13. Hanging ear; 14. Connecting rod; 15. Hob body; 16. Shrapnel; 17. Hollow plate; 18. Triangular plate; 19. Locking block; 110. Inclined plate; 111. Folding plate; 112. Semicircular block;

[0022] 2. Fixing mechanism; 21. Bolt; 22. Gasket. DETAILED DESCRIPTION

[0023] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] like Figure 1 - Figure 4 As shown, the utility model provides a technical solution: a hob shaft protection structure, comprising: a protection mechanism 1, a fixing mechanism 2 is arranged inside the protection mechanism 1, the protection mechanism 1 comprises a hob shaft body 11, a hob body 15 is arranged at one end of the hob shaft body 11, a connecting rod 14 is arranged at one end of the hob body 15, a spring piece 16 is arranged inside the connecting rod 14, a hollow plate 17 is arranged at one end of the spring piece 16, a triangular plate 18 is arranged at one end of the hollow plate 17, two locking blocks 19 are arranged on one side of the triangular plate 18, a hanging ear 13 is arranged at one end of the locking block 19, a bearing 12 is arranged at one end of the hanging ear 13, a semicircular block 112 is arranged on the inner wall of the hollow plate 17, an inclined plate 110 is arranged on the outer side of the semicircular block 112, a folding plate 111 is arranged at one end of the side of the inclined plate 110, the outer side of the hob shaft body 11 and the bearing The inner ring of 12 is clamped, the outer side of the bearing 12 is fixedly connected to one end of the ear 13, the inner side of one end of the ear 13 is connected through one end of the locking block 19, the bottom end of the locking block 19 contacts one side of the triangular plate 18, one end of the triangular plate 18 is fixedly connected to one end of the hollow plate 17, one side of the inner wall of the hollow plate 17 is fixedly connected to one end of the semicircular block 112, the outer side of the semicircular block 112 contacts one side of the inclined plate 110, the top of the inclined plate 110 is connected through the inside of the connecting rod 14, one end of the connecting rod 14 is fixedly connected to one end of the hob body 15, the inside of the connecting rod 14 is fixedly connected to the top of the folding plate 111, the other end surface of the folding plate 111 contacts one end of the side of the inclined plate 110, one end of the hollow plate 17 is fixedly connected to one end of the spring 16, and the other end of the spring 16 is fixedly connected to the inside of the connecting rod 14.

[0026] In this embodiment, in order to prevent the hob shaft body 11 from swinging greatly during operation, the bearing 12 is pushed along the path of the hob shaft body 11 until it is pushed to the middle end of the hob shaft body 11, so that its inner ring fits with the hob body 15. During this process, the ear 13 wraps the end of the connecting rod 14. At this time, the semicircular block 112 of the hollow plate 17 is pressed by pressing the inclined plate 110, which squeezes it and causes the hollow plate 17 to move in position. The triangular plate 18 and the hollow plate 17 are integrated. Therefore, when moving, the triangle plate 18 will be close to the two locking blocks 19. The bottoms of the two locking blocks 19 have a certain slope. When they are close, the locking blocks 19 will be vertically squeezed, so that their end positions leak out from the connecting rod 14 and are clamped in the hanging ears 13, thereby fixing the bearing 12, ensuring that the bearing 12 is tightly connected to the hob shaft body 11, reducing the large swing of the hob shaft body 11 during operation, and improving the stability of the assembly and the accuracy of the work. This assembly and fixing method can improve the stability and working effect of the hob shaft body 11;

[0027] Secondly, when the inclined plate 110 exerts pressure on the semicircular block 112, one end of the side of the inclined plate 110 will gradually fit with the folding plate 111 to ensure that the inclined plate 110 will not move downward excessively, thereby avoiding path deviation when the inclined plate 110 is reset. In addition, the spring piece 16 installed at one end of the hollow plate 17 can directly reset the hollow plate 17 and the triangular plate 18 by utilizing the retractability of the spring piece 16 when the hollow plate 17 is not subjected to external force. At the same time, the locking block 19 no longer restricts the hanging ear 13. This purpose can save time and effort for replacing the hob shaft body 11 and improve the replacement efficiency.

[0028] Example 2

[0029] like Figure 2 - Figure 4 As shown, the fixing mechanism 2 includes a bolt 21, a gasket 22 is arranged on the outside of the bolt 21, the bottom of the gasket 22 contacts the top of the connecting rod 14, the inside of the connecting rod 14 is connected through the outside of the bolt 21, and one end of the bolt 21 is respectively connected to the internal threads of the folding plate 111 and the inclined plate 110.

[0030] In this embodiment, after one end of the side of the inclined plate 110 is fitted with the folding plate 111, in order to prevent the two from separating, the two are fastened by using bolts 21, which can ensure the firmness of the connection and at the same time provide a stable guarantee for other components to avoid unexpected situations due to insufficient reliability, so that it can withstand greater loads and vibrations. A gasket 22 is designed on the outside of the bolt 21. The gasket 22 can provide additional pressure to increase the tightening force of the bolt 21 connection, and at the same time can evenly disperse the pressure applied by the bolt 21, reducing the possibility of local stress concentration.

[0031] Working principle:

[0032] like Figure 1 - Figure 4 As shown, when the utility model is in use, according to the needs of the user, the bearing 12 is pushed along the path of the hob shaft. During this process, the hanging ear 13 will wrap the end position of the connecting rod 14. At this time, the semicircular block 112 of the hollow plate 17 is subjected to pressure by pressing the inclined plate 110, which is squeezed and the hollow is moved. The triangular plate 18 and the hollow plate 17 are integrated. Therefore, when moving, the triangular plate 18 will be close to the two locking blocks 19. The bottoms of the two locking blocks 19 have a certain slope. When they are close, the locking blocks 19 will be vertically squeezed, so that the end position leaks out from the connecting rod 14 and is clamped in the hanging ear 13, so that the bearing 12 is fixed, ensuring that the bearing 12 is tightly connected to the hob shaft body 11, and reducing the large swing of the hob shaft body 11 during operation;

[0033] By fastening the folding plate 111 and the inclined plate 110 with bolts 21, the firmness of the connection can be ensured, while providing a stable guarantee for other components, avoiding unexpected situations due to insufficient reliability, and enabling them to withstand greater loads and vibrations.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A hob shaft protection structure, characterized in that: include: A protection mechanism (1), wherein a fixing mechanism (2) is arranged inside the protection mechanism (1), wherein the protection mechanism (1) comprises a hob shaft body (11), wherein a hob body (15) is arranged at one end of the hob shaft body (11), wherein a connecting rod (14) is arranged at one end of the hob body (15), wherein a spring sheet (16) is arranged inside the connecting rod (14), wherein a hollow plate (17) is arranged at one end of the spring sheet (16), wherein the hollow plate (17) ) is provided with a triangular plate (18) at one end, two locking blocks (19) are provided on one side of the triangular plate (18), a hanging ear (13) is provided at one end of the locking block (19), a bearing (12) is provided at one end of the hanging ear (13), a semicircular block (112) is provided on the inner wall of the hollow plate (17), an inclined plate (110) is provided on the outer side of the semicircular block (112), and a folding plate (111) is provided at one end of the side of the inclined plate (110).

2. A hob shaft protection structure according to claim 1, characterized in that: The fixing mechanism (2) comprises a bolt (21), a gasket (22) is arranged on the outside of the bolt (21), the bottom of the gasket (22) contacts the top of the connecting rod (14), the inside of the connecting rod (14) is connected to the outside of the bolt (21), and one end of the bolt (21) is respectively connected to the internal threads of the folding plate (111) and the inclined plate (110).

3. The hob shaft protection structure according to claim 1, characterized in that: The outer side of the hob shaft body (11) is clamped with the inner ring of the bearing (12), the outer side of the bearing (12) is fixedly connected with one end of the hanging ear (13), and the interior of one end of the hanging ear (13) is connected through one end of the locking block (19).

4. The hob shaft protection structure according to claim 1, characterized in that: The bottom end of the locking block (19) contacts one side of the triangular plate (18), one end of the triangular plate (18) is fixedly connected to one end of the hollow plate (17), and one side of the inner wall of the hollow plate (17) is fixedly connected to one end of the semicircular block (112).

5. The hob shaft protection structure according to claim 1, characterized in that: The outer side of the semicircular block (112) contacts one side of the inclined plate (110), the top of the inclined plate (110) is connected through the inside of the connecting rod (14), and one end of the connecting rod (14) is fixedly connected to one end of the hob body (15).

6. The hob shaft protection structure according to claim 1, characterized in that: The interior of the connecting rod (14) is fixedly connected to the top end of the folding plate (111), and the other end surface of the folding plate (111) is in contact with one end of the side surface of the inclined plate (110).

7. The hob shaft protection structure according to claim 1, characterized in that: One end of the hollow plate (17) is fixedly connected to one end of the spring sheet (16).

8. The hob shaft protection structure according to claim 1, characterized in that: The other end of the spring sheet (16) is fixedly connected to the inside of the connecting rod (14).

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