End milling power tool apron

Abstract

The utility model discloses an end milling power tool apron which comprises a transmission box body, a transmission main shaft is arranged in the transmission box body, the lower end of the transmission main shaft is connected with a transmission flat position sleeve, a waterproof oil seal is arranged at the joint of the transmission main shaft and the inner end of the transmission box body, a first bearing gland is fixedly connected to the inner side of the transmission box body, and a second bearing gland is fixedly connected to the inner side of the transmission box body. According to different cutting requirements of end faces of products, different cutter locking chucks can be installed on the main shaft to complete cutter installation, four positioning blocks of the power cutter holder are used for positioning accurate positions, and screws are installed for locking to complete installation of the power cutter holder. A waterproof O-shaped ring is mounted on the transmission shaft box body, so that cutting fluid can be effectively prevented from flowing into the power tool turret from a gap after the power tool apron is mounted to cause rusting and damage to parts; a water path is arranged in the box body, a cutting fluid outlet nozzle is mounted outside the box body, and during machining, cutting fluid passes through the box body, reaches the cutting fluid outlet nozzle and is sprayed out, so that the tool apron can be effectively cooled, and the service life of a bearing is longer.

Description

Technical Field

[0001] The utility model relates to the field of end milling power tool holders, in particular to an end milling power tool holder. Background Art

[0002] The power spindle of the existing end milling power tool holder is usually equipped with two angular contact bearings and a deep groove ball bearing to meet the speed requirement of the power spindle during processing. However, when the workpiece to be processed requires the cutter head to output a larger cutting force, the power tool holder using angular contact bearings cannot fully meet the demand and is prone to damage when subjected to a larger cutting force, resulting in inconvenience in maintenance and increased costs. In addition, the skeleton rotating seal ring it uses is prone to heat and wear when the tool holder rotates at high speed, which makes it easy for external liquid to enter the angular contact bearing through the gap and cause bearing damage. Utility Model Content

[0003] The purpose of the utility model is to provide an end milling power tool holder, which solves the problem in the prior art that when the workpiece to be processed requires the cutter head to output a larger cutting force, the power tool holder using angular contact bearings cannot fully meet the demand and is easily damaged when subjected to a larger cutting force.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an end milling power tool holder, comprising a transmission box, a transmission main shaft is arranged inside the transmission box, a transmission flat position sleeve is connected to the lower end of the transmission main shaft, a waterproof oil seal is arranged at the connection between the transmission main shaft and the inner end of the transmission box, and a first bearing gland is fixedly connected to the inner side of the transmission box;

[0005] The lower end of the first bearing cover is fixedly connected with the first bearing component, and the transmission main shaft is arranged inside the first bearing component.

[0006] As a further description of the above technical solution: a waterproof ring is arranged on the outer side of the transmission housing, and a spindle housing is arranged on the upper end of the transmission housing.

[0007] As a further description of the above technical solution: a cutting fluid outlet nozzle is provided through the other end of the outer side of the spindle housing, a spindle is provided inside the spindle housing, and a chuck nut is provided at the outer end of the spindle.

[0008] As a further description of the above technical solution: the outer end of the main shaft is fixedly connected with a bearing spacer, one end of the bearing spacer is provided with a driven bevel gear, the upper end of the transmission main shaft is provided with a transmission bevel gear, and the transmission bevel gear is meshed with the driven bevel gear.

[0009] As a further description of the above technical solution: a second bearing cover is arranged at the connection between the main shaft and the main shaft housing, and a second bearing member is arranged on the inner side of the second bearing cover.

[0010] As a further description of the above technical solution: the upper end and the left end of the spindle housing are threadedly connected with a cover plate, and the inner two ends of the left end cover plate are threadedly connected with locking nuts, the connection between the spindle housing and the transmission housing is provided with mounting screws, and the connection between the spindle housing and the transmission housing is also provided with a positioning block.

[0011] The utility model has the following beneficial effects:

[0012] 1. Compared with the prior art, this end milling power tool holder can install different tool locking chucks on the spindle according to different cutting requirements of the product end face to complete the tool installation. The four positioning blocks of the power tool holder are positioned at the precise position and the screws are locked to complete the installation of the power tool holder. The transmission shaft housing is equipped with a waterproof O-ring to effectively protect the cutting fluid from flowing into the power turret from the gap after the power tool holder is installed, causing rust and damage to the parts, etc., and the housing is provided with a water channel and a cutting fluid outlet nozzle is installed outside. During processing, the cutting fluid passes through the housing to reach the cutting fluid outlet nozzle, which can effectively cool the tool holder and protect the bearing for a longer service life;

[0013] 2. Compared with the prior art, the bearing of the end milling power tool holder is equipped with a bearing spacer in the middle to adjust the clearance after the bearing is worn, thereby reducing maintenance costs.

[0014] 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

[0015] The present invention is further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a front view of the utility model.

[0018] Figure 3 It is a stereogram of the utility model.

[0019] Legend:

[0020] 1. Locking nut; 2. Cover plate; 3. Transmission bevel gear; 4. Waterproof ring; 5. First bearing cover; 6. First bearing member; 7. Transmission main shaft; 8. Transmission housing; 9. Waterproof oil seal; 10. Transmission flat sleeve; 11. Cutting fluid outlet nozzle 7; 12. Main shaft; 13. Collet nut; 14. Second bearing cover; 15. Second bearing member; 16. Main shaft housing; 17. Driven bevel gear; 18. Bearing spacer; 19. Positioning block; 20. Mounting screws. DETAILED DESCRIPTION

[0021] 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.

[0022] Reference Figure 1-3 The utility model provides an embodiment of an end milling power tool holder, including a transmission box 8, a transmission main shaft 7 is arranged inside the transmission box 8, a transmission flat position sleeve 10 is connected to the lower end of the transmission main shaft 7, and the transmission flat position sleeve 10 can be linked with the power tool tower, thereby driving the internal transmission main shaft 7 to rotate, and a waterproof oil seal 9 is arranged at the connection between the transmission main shaft 7 and the inner end of the transmission box 8, and a first bearing gland 5 is fixedly connected to the inner side of the transmission box 8. The waterproof performance of the entire tool holder can be improved by arranging the waterproof oil seal 9;

[0023] The lower end of the first bearing cover 5 is fixedly connected with the first bearing member 6, and the transmission main shaft 7 is arranged inside the first bearing member 6. Under the action of the first bearing cover 5 and the first bearing member 6, the transmission main shaft 7 can be ensured to rotate stably inside the transmission box 8, thereby improving the stability of the device;

[0024] A waterproof ring 4 is arranged on the outside of the transmission housing 8, a spindle housing 16 is arranged on the upper end of the transmission housing 8, a cutting fluid outlet nozzle 11 is penetrated through the other end of the outer side of the spindle housing 16, a spindle 12 is arranged inside the spindle housing 16, and a chuck nut 13 is arranged on the outer end of the spindle 12. The waterproof ring 4 is arranged on the transmission housing 8 to effectively protect the cutting fluid from flowing into the power turret from the gap after the power tool holder is installed, causing rust and damage to the parts, etc., and a water channel is arranged inside the housing, and a cutting fluid outlet nozzle 11 is installed outside. When the cutting fluid passes through the housing to reach the cutting fluid outlet nozzle 11 during processing, it can effectively cool the tool holder and protect the bearing for a longer service life;

[0025] The outer end of the main shaft 12 is fixedly connected with a bearing spacer 18, one end of the bearing spacer 18 is provided with a driven bevel gear 17, the upper end of the transmission main shaft 7 is provided with a transmission bevel gear 3, the transmission bevel gear 3 is meshed with the driven bevel gear 17, and the connection between the main shaft 12 and the main shaft housing 16 is provided with a second bearing cover 14, the inner side of the second bearing cover 14 is provided with a second bearing member 15, the power turret is connected by the transmission flat sleeve 10, the power turret outputs rotational power, drives the transmission flat sleeve 10 to rotate the transmission main shaft 7, and the transmission bevel gear 3 on the transmission main shaft 7 rotates 90° so that the power can be output to the driven bevel gear 17 on the main shaft 12, and finally drives the main shaft 12 to perform rotation processing operations, and a bearing spacer 18 is installed in the middle of the second bearing member 15 to adjust the clearance of the second bearing member 15 after wear, thereby reducing maintenance costs;

[0026] The upper end and the left end of the spindle housing 16 are threadedly connected with a cover plate 2, and the inner ends of the left end cover plate 2 are threadedly connected with locking nuts 1, and the connection between the spindle housing 16 and the transmission housing 8 is provided with mounting screws 20, and the connection between the spindle housing 16 and the transmission housing 8 is also provided with a positioning block 19. The cooperation between the positioning block 19 and the mounting screw 20 can facilitate the staff to quickly install the transmission housing 8 and the spindle housing 16, thereby improving the practicability and convenience of the device.

[0027] Working principle: When the device is in use, first install the transmission housing 8 under the spindle housing 16 by installing the screws 20 and the positioning block 19, and then connect the power turret with the transmission flat sleeve 10. The power turret outputs rotational power, drives the transmission flat sleeve 10 to rotate the transmission spindle 7, and the transmission bevel gear 3 on the transmission spindle 7 rotates 90° so that the power can be output to the driven bevel gear 17 on the spindle 12, and finally drives the spindle 12 to perform rotational processing operations.

[0028] 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. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An end milling power tool holder, comprising a transmission housing (8), characterized in that: A transmission main shaft (7) is arranged inside the transmission housing (8), a transmission flat sleeve (10) is connected to the lower end of the transmission main shaft (7), a waterproof oil seal (9) is arranged at the connection between the inner end of the transmission main shaft (7) and the transmission housing (8), and a first bearing gland (5) is fixedly connected to the inner side of the transmission housing (8); The lower end of the first bearing cover (5) is fixedly connected to a first bearing component (6), and the transmission main shaft (7) is arranged inside the first bearing component (6).

2. The end milling power tool holder according to claim 1, characterized in that: A waterproof ring (4) is arranged on the outer side of the transmission housing (8), and a main shaft housing (16) is arranged on the upper end of the transmission housing (8).

3. The end milling power tool holder according to claim 2, characterized in that: A cutting fluid outlet nozzle (11) is provided through the other end of the outer side of the spindle housing (16), a spindle (12) is arranged inside the spindle housing (16), and a chuck nut (13) is arranged at the outer end of the spindle (12).

4. The end milling power tool holder according to claim 3, characterized in that: The outer end of the main shaft (12) is fixedly connected to a bearing spacer (18), one end of the bearing spacer (18) is provided with a driven bevel gear (17), and the upper end of the transmission main shaft (7) is provided with a transmission bevel gear (3), and the transmission bevel gear (3) is meshed with the driven bevel gear (17).

5. The end milling power tool holder according to claim 3, characterized in that: A second bearing cover (14) is provided at the connection between the main shaft (12) and the main shaft housing (16), and a second bearing member (15) is provided inside the second bearing cover (14).

6. The end milling power tool holder according to claim 2, characterized in that: The upper end and the left end of the spindle housing (16) are threadedly connected to a cover plate (2), and the inner two ends of the left cover plate (2) are threadedly connected to locking nuts (1). The connection between the spindle housing (16) and the transmission housing (8) is provided with a mounting screw (20), and the connection between the spindle housing (16) and the transmission housing (8) is also provided with a positioning block (19).

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