Side milling power tool apron

Abstract

The utility model discloses a side milling power tool apron which comprises a box body, positioning blocks are fixedly connected to the front side wall, the left side wall and the right side wall of the box body respectively, a first bearing is arranged in an upper cavity of the box body, a locking nut is fixedly connected to the bottom end of the first bearing, the inner wall of the locking nut is in threaded connection with a main shaft, and the inner wall of the main shaft is in threaded connection with a second bearing. A bearing gland is fixedly connected to the upper surface of the box body in a threaded mode, a chuck nut is connected to the side wall of the top end of the main shaft in a threaded mode, a second bearing is arranged in a lower cavity of the box body, the inner wall of the second bearing is attached to the side wall of the main shaft, and a transmission flat position sleeve is fixedly installed on the side wall of the bottom end of the main shaft. The chuck nut, the main shaft, the locking nut and the bearing gland are arranged, so that the structure is simple, and disassembly and maintenance are convenient; and through the arrangement of the first bearing and the second bearing, more stable rotation conditions are provided for rotation of the main shaft, and the machining precision is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of milling equipment, in particular to a side milling power tool holder. Background Art

[0002] The milling head is a power component, which is a component that provides main motion and feed motion for the combined machine tool. The milling head is a universal power component. It can be matched with a milling table or a power slide and supplemented with various supporting components to form various forms of combined milling machines. The milling head is based on the use of sparse-tooth end milling cutters, and smaller diameter dense-tooth section milling cutters can also be used for plane milling of parts made of steel, cast iron, non-ferrous metals and other materials.

[0003] However, the existing milling tool installation structure for the milling power head is complicated, which makes the disassembly and maintenance time-consuming and labor-intensive, affecting the processing efficiency. In addition, the rotation stability of the milling tool decreases after long-term use, affecting the processing accuracy. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide a side milling power tool holder. Through the provision of a chuck nut, a spindle, a locking nut and a bearing cover, when the components are disassembled and repaired, after the transmission flat sleeve is disassembled, the screws of the bearing cover can be loosened by rotating to take out all the components in the cavity. When disassembling the spindle, it is only necessary to rotate the spindle to disengage the locking nut to complete the disassembly. The structure is simple and easy to disassemble and repair. Through the provision of bearing one and bearing two, the two parts are arranged vertically and are respectively located on the upper and lower side walls of the spindle, which provides a more stable rotation condition for the rotation of the spindle and makes the processing accuracy higher.

[0005] One of the purposes of the utility model is achieved by adopting the following technical scheme: a side milling power tool holder, comprising: a box body, the front left and right three side walls of the box body are fixedly connected with positioning blocks, a bearing 1 is arranged in the upper cavity of the box body, a locking nut is fixedly connected to the bottom end of the bearing 1, the inner wall of the locking nut is threadedly connected to the main shaft, a bearing pressure cover is threadedly fixed to the upper surface of the box body, a chuck nut is threadedly connected to the top side wall of the main shaft, a bearing 2 is arranged in the lower cavity of the box body, the inner wall of the bearing 2 is in contact with the side wall of the main shaft, and a transmission flat sleeve is fixedly installed on the bottom side wall of the main shaft. Through the provided chuck nut, main shaft, locking nut and bearing cover, when disassembling and repairing the components, after disassembling the transmission flat sleeve, the screws of the bearing cover can be loosened to take out all the components in the cavity. When disassembling the main shaft, it is only necessary to rotate the main shaft to disengage the locking nut to complete the disassembly. The structure is simple and easy to disassemble and repair. Through the provided bearing one and bearing two, the two parts are arranged vertically and are respectively located on the upper and lower side walls of the main shaft, which provides a more stable rotation condition for the rotation of the main shaft and makes the processing accuracy higher.

[0006] According to the side milling power tool holder, a waterproof oil seal is provided at the rotation connection between the main shaft and the bearing cover.

[0007] According to the side milling power tool holder, a waterproof oil seal 2 is provided at the rotation connection between the bottom end of the cavity of the box body and the main shaft to prevent liquid from flowing into the product and causing damage to the tight parts.

[0008] A side milling power tool holder is provided, wherein the upper surface of the box body is threadedly connected with four mounting screws.

[0009] According to the side milling power tool holder, a cutting fluid outlet nozzle is connected through the upper surface of the box body, so as to facilitate cooling of the device and better lubricate the components.

[0010] According to the side milling power tool holder, a waterproof O-ring is sleeved on the lower side wall of the box body.

[0011] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0013] Figure 1 The utility model is a three-dimensional side milling power tool holder Figure 1 ;

[0014] Figure 2 It is a cross-sectional view of a side milling power tool holder of the utility model;

[0015] Figure 3 The utility model is a three-dimensional side milling power tool holder Figure 2 ;

[0016] Figure 4 This is an enlarged view of point A of a side milling power tool holder of the utility model.

[0017] Legend:

[0018] 1. Box body; 2. Positioning block; 3. Collet nut; 4. Mounting screws; 5. Transmission flat sleeve; 6. Waterproof oil seal 1; 7. Waterproof O-ring; 8. Spindle; 9. Bearing gland; 10. Cutting fluid outlet nozzle; 11. Waterproof oil seal 2; 12. Bearing 1; 13. Locking nut; 14. Bearing 2. DETAILED DESCRIPTION

[0019] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0020] Reference Figure 1-4 The utility model embodiment is a side milling power tool holder, which includes: a box body 1, the upper surface of the box body 1 is threaded with four mounting screws 4, the front left and right three side walls of the box body 1 are fixedly connected with positioning blocks 2, a bearing 12 is arranged in the upper cavity of the box body 1, the bottom end of the bearing 12 is fixedly connected with a locking nut 13, the inner wall of the locking nut 13 is threadedly connected with a spindle 8, the upper surface of the box body 1 is threadedly fixed with a bearing pressure cover 9, the rotation connection between the spindle 8 and the bearing pressure cover 9 is provided with a waterproof oil seal 6, the top side wall screw of the spindle 8 The thread is connected with a chuck nut 3, and a bearing 14 is arranged in the lower cavity of the box body 1. The inner wall of the bearing 14 fits with the side wall of the main shaft 8. A waterproof oil seal 11 is arranged at the rotating connection between the bottom end of the cavity of the box body 1 and the main shaft 8 to prevent the liquid outside the product from flowing into and causing damage to the tight parts. A waterproof O-ring 7 is sleeved on the lower side wall of the box body 1, and a transmission flat position sleeve 5 is fixedly installed on the bottom side wall of the main shaft 8. A cutting fluid water outlet 10 is connected through the upper surface of the box body 1 to facilitate cooling of the device and better lubrication of the components. By means of the collet nut 3, the main shaft 8, the locking nut 13 and the bearing cover 9, when disassembling and repairing the components, after disassembling the transmission flat sleeve 5, the screws of the bearing cover 9 are loosened by rotating, and the bearing cover 9 is removed, and all the components in the cavity can be taken out. When disassembling the main shaft 8, it is only necessary to rotate the main shaft 8 to disengage it from the locking of the locking nut 13 to complete the disassembly. The structure is simple and easy to disassemble and repair. By means of the bearing 1 12 and the bearing 2 14, the two parts are arranged vertically and are respectively located on the upper and lower side walls of the main shaft 8, which provides a more stable rotation condition for the rotation of the main shaft 8 and makes the processing accuracy higher.

[0021] Working principle: When in use, insert the positioning assembly of the machine tool into the groove of the positioning block 2 for quick positioning, use the mounting screw 4 to fix the device to the machine tool, insert the transmission shaft of the driving mechanism into the groove of the main shaft 8 for limiting, and then use the collet nut 3 to connect and lock. When working, the transmission shaft drives the main shaft 8 and the transmission flat sleeve 5 to rotate for processing. Bearing 1 12 and bearing 2 14 provide more stable rotation conditions for the rotation of the main shaft 8, making the processing more accurate.

[0022] When disassembling and repairing the components, after disassembling the transmission flat sleeve 5, loosen the screws of the bearing cover 9 by rotating, remove the bearing cover 9, and all the components in the cavity can be taken out. When disassembling the main shaft 8, just rotate the main shaft 8 to disengage the locking nut 13 to complete the disassembly. The structure is simple and easy to disassemble and repair.

[0023] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A side milling power tool holder, comprising: The box body (1) is characterized in that the front left and right three side walls of the box body (1) are fixedly connected with positioning blocks (2), the upper cavity of the box body (1) is provided with a bearing 1 (12), the bottom end of the bearing 1 (12) is fixedly connected with a locking nut (13), the inner wall of the locking nut (13) is threadedly connected with a main shaft (8), the upper surface of the box body (1) is threadedly fixed with a bearing cover (9), the top side wall of the main shaft (8) is threadedly connected with a chuck nut (3), the lower cavity of the box body (1) is provided with a bearing 2 (14), the inner wall of the bearing 2 (14) is in contact with the side wall of the main shaft (8), and the bottom side wall of the main shaft (8) is fixedly installed with a transmission flat sleeve (5).

2. A side milling power tool holder according to claim 1, characterized in that: A waterproof oil seal (6) is provided at the rotation connection between the main shaft (8) and the bearing cover (9).

3. The side milling power tool holder according to claim 1, characterized in that: A second waterproof oil seal (11) is provided at the rotation connection between the bottom end of the cavity of the box body (1) and the main shaft (8).

4. The side milling power tool holder according to claim 1, characterized in that: Four mounting screws (4) are threadedly connected through the upper surface of the box body (1).

5. The side milling power tool holder according to claim 1, characterized in that: The upper surface of the box body (1) is connected through a cutting fluid outlet nozzle (10).

6. The side milling power tool holder according to claim 1, characterized in that: A waterproof O-ring (7) is sleeved on the lower side wall of the box body (1).

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