Floating chamfering cutting main shaft device

Abstract

The utility model discloses a floating chamfering cutting main shaft device which comprises a protective cover, a main shaft arranged in the protective cover, a nut arranged at one end of the main shaft, a pressing sleeve connected with the nut, a rectangular spring arranged in the pressing sleeve, a rectangular spring connected to the main shaft, a driving gear arranged on the main shaft, a mounting seat arranged on the outer ring of the driving gear, and a pressing cover connected with the mounting seat. The mounting seat and the gland are connected with the main shaft through the first bearing; the protective cover is connected with the gland; a cutter head is arranged at the other end of the main shaft and connected with a limiting sleeve, the limiting sleeve is connected with a bearing mounting seat, a second bearing is arranged in the bearing mounting seat and connected with a bearing gland, and the bearing gland is connected with a locking nut. According to the scheme, the machining quality is improved, and the cutter is prevented from being damaged.

Description

Technical Field

[0001] The utility model relates to the field of metal cutting, in particular to a floating chamfering cutting spindle device. Background Art

[0002] At present, with the development of society, the processing technology of metal workpieces is constantly developing. Among them, the workpiece needs to be chamfered after processing. Chamfering refers to the processing of cutting the edges and corners of the workpiece into a certain slope. It is to remove the burrs on the parts caused by processing and to facilitate the assembly of parts. Generally, chamfers are made at the ends of the parts. However, when the existing equipment is performing chamfering, there may be depressions or protrusions such as cuts or weld nodules on the edges of the workpiece. In this case, the tool may not be able to cut or the cutting amount is too large, resulting in poor processing quality or damage to the tool. Therefore, it is necessary to design a floating chamfering cutting spindle device to meet actual needs. Utility Model Content

[0003] In view of the existing problems, the utility model provides a floating chamfering cutting spindle device, aiming to solve the problem that the existing chamfering cutting device cannot adapt to the protrusion or depression that occurs during the chamfering process.

[0004] In order to solve the above problems, the utility model describes a floating chamfering cutting spindle device, including a protective cover, a spindle is arranged in the protective cover, a nut is arranged at one end of the spindle, the nut is connected to a clamping sleeve, a rectangular spring is arranged in the clamping sleeve, the rectangular spring is installed on the spindle, a driving gear is arranged on the spindle, a mounting seat is arranged on the outer ring of the driving gear, the mounting seat is connected to a pressure cover, the mounting seat and the pressure cover are connected to the spindle through a first bearing, and the protective cover is connected to the pressure cover; a cutter disc is arranged at the other end of the spindle, the cutter disc is connected to a limit sleeve module, the limit sleeve module is connected to a bearing mounting seat, a second bearing is arranged in the bearing mounting seat, the second bearing is connected to a bearing pressure cover, and the bearing pressure cover is connected to a locking nut.

[0005] Furthermore, a gasket is provided between the rectangular spring and the main shaft.

[0006] Furthermore, a spacer ring is provided between the bearing cover and the locking nut.

[0007] Furthermore, the limiting sleeve module comprises an axial limiting sleeve and a radial limiting sleeve, the axial limiting sleeve is connected to the bearing mounting seat, and the radial limiting sleeve is connected to the main shaft.

[0008] Furthermore, a third bearing is provided in the radial limiting sleeve, and the radial limiting sleeve is connected to the main shaft via the third bearing.

[0009] Compared with existing utility models, utility models have the following advantages:

[0010] The floating chamfer cutting spindle device adopts a flexible feeding method. When encountering a protrusion, the spindle will be compressed backward to avoid the protrusion. Conversely, when encountering a notch, the spindle will extend forward and always cut along the edge, thereby improving the processing quality and avoiding damage to the tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the internal structure of the utility model; DETAILED DESCRIPTION

[0013] 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.

[0014] See also Figure 1 - Figure 2 A floating chamfering cutting spindle device comprises a protective cover 1, a spindle 6 is arranged in the protective cover 1, a nut 2 is arranged at one end of the spindle 6, the nut 2 is connected to a clamping sleeve 3, a rectangular spring 4 is arranged in the clamping sleeve 3, the rectangular spring 4 is installed on the spindle 6, a driving gear 9 is arranged on the spindle 6, a mounting seat 10 is arranged on the outer ring of the driving gear 9, the mounting seat 10 is connected to a pressure cover 8, the mounting seat 10 and the pressure cover 8 are connected to the spindle 6 through a first bearing 7, and the protective cover 1 is connected to the pressure cover 8; a cutter disc 17 is arranged at the other end of the spindle 6, the cutter disc 17 is connected to a limit sleeve module 20, the limit sleeve module 20 is connected to a bearing mounting seat 15, a second bearing 14 is arranged in the bearing mounting seat 15, the second bearing 14 is connected to a bearing pressure cover 13, and the bearing pressure cover 13 is connected to a locking nut 11.

[0015] It should be noted that the nut 2 is provided on the clamping sleeve 3 to fix the position of the clamping sleeve 3 so that the rectangular spring 4 in the clamping sleeve 3 is in a compressed state in the initial state; the main shaft 6 is not of uniform shape, but has a variable diameter part, one end of the rectangular spring 4 is connected to the clamping sleeve 3, and the other end is connected to one end of the variable diameter part of the main shaft 6, and can be extended and retracted forward and backward with the main shaft 6; the driving gear 9 drives the main shaft 6 and the cutter disc 17 and other equipment connected to the main shaft 6 to realize the chamfering process; a protective cover 1 is provided to protect the internal equipment and reduce the difficulty of cleaning.

[0016] A gasket 5 is provided between the rectangular spring 4 and the main shaft 6 .

[0017] It should be noted that the gasket 5 is provided to prevent direct contact between the rectangular spring 4 and the main shaft 6 during the operation of the device, thereby preventing wear.

[0018] A spacer ring 12 is provided between the bearing cover 13 and the locking nut 11 .

[0019] It should be noted that the bearing mounting seat 15 is pressed against the main shaft 6 by the cooperation of the spacer 12 and the locking nut 11; at the same time, the spacer 12 prevents direct contact between the locking nut 11 and the bearing mounting seat 15 during the operation of the device, thereby preventing wear.

[0020] The limiting sleeve module 20 includes an axial limiting sleeve 16 and a radial limiting sleeve 18 . The axial limiting sleeve 16 is connected to the bearing mounting seat 15 , and the radial limiting sleeve 18 is connected to the main shaft 6 .

[0021] It should be noted that the axial limiting sleeve 16 controls the axial movement of the cutter disc 17, and the radial limiting sleeve 18 controls the radial movement of the cutter disc 17, so that the axial and radial movements of the cutter disc 17 are maintained within a certain range, thereby maintaining the stability of the device.

[0022] A third bearing 19 is disposed inside the radial limiting sleeve 18 , and the radial limiting sleeve 18 is connected to the main shaft 6 via the third bearing 19 .

[0023] It should be noted that the third bearing 19 controls the axial movement of the cutter disc 17 .

[0024] During normal operation, the rectangular spring 4 is in a certain compression state. When a convex defect is encountered during operation, the rectangular spring 4 can continue to be compressed to make the cutter disc 17 retreat, thereby achieving the function of protecting the cutter disc 17. When a concave defect is encountered during operation, the rectangular spring 4 in the compressed state stretches to make the cutter disc 17 extend forward, so that the cutter disc 17 can still be processed to the position that needs to be processed, thereby improving the processing quality.

[0025] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A floating chamfering cutting spindle device, characterized in that: The invention comprises a protective cover (1), wherein a main shaft (6) is arranged inside the protective cover (1), a nut (2) is arranged at one end of the main shaft (6), the nut (2) is connected to a compression sleeve (3), a rectangular spring (4) is arranged inside the compression sleeve (3), the rectangular spring (4) is mounted on the main shaft (6), a driving gear (9) is arranged on the main shaft (6), a mounting seat (10) is arranged on the outer ring of the driving gear (9), the mounting seat (10) is connected to a gland (8), the mounting seat (10) and the gland (8) are connected to the main shaft (6) via a first bearing (7), and the protective cover (1) and the gland (8) are connected; A cutter disc (17) is provided at the other end of the main shaft (6); the cutter disc (17) is connected to a limit sleeve module (20); the limit sleeve module (20) is connected to a bearing mounting seat (15); a second bearing (14) is provided in the bearing mounting seat (15); the second bearing (14) is connected to a bearing pressure cover (13); and the bearing pressure cover (13) is connected to a locking nut (11).

2. A floating chamfer cutting spindle device according to claim 1, characterized in that: A gasket (5) is provided between the rectangular spring (4) and the main shaft (6).

3. The floating chamfer cutting spindle device according to claim 1, characterized in that: A spacer ring (12) is provided between the bearing cover (13) and the locking nut (11).

4. The floating chamfer cutting spindle device according to claim 1, characterized in that: The limiting sleeve module (20) comprises an axial limiting sleeve (16) and a radial limiting sleeve (18), the axial limiting sleeve (16) being connected to the bearing mounting seat (15), and the radial limiting sleeve (18) being connected to the main shaft (6).

5. A floating chamfer cutting spindle device according to claim 4, characterized in that: A third bearing (19) is arranged in the radial limiting sleeve (18), and the radial limiting sleeve (18) is connected to the main shaft (6) via the third bearing (19).

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