Feeding protection device of heavy deep hole drilling and boring machine

Abstract

The utility model discloses a heavy type deep hole drilling and boring machine feeding protection device which comprises a box body and a transmission shaft, the transmission shaft is installed inside the box body, a driven gear is arranged on the transmission shaft, a feeding motor and an overload protection motor are installed on one side of the outer portion of the box body, and the feeding motor and the overload protection motor are arranged in a spaced mode. A transmission gear is fixed at the driving end of the feeding motor, is positioned in the box body and is meshed with the driven gear; a driving shaft is fixed to the driving end of the overload protection motor and located in the box body, a belt wheel b is fixed to the end of the driving shaft, a belt wheel a is fixed to the transmission shaft, and a belt is connected between the belt wheel a and the belt wheel b. A feeding clutch is mounted on the transmission shaft on one side, close to the feeding motor, of the belt wheel a; and an overload protection clutch is arranged on the transmission shaft on one side, far away from the feed motor, of the belt wheel a. The overload protection device can quickly respond to overload protection, reduces the risk of tool damage, and ensures the machining precision and stability.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heavy -duty deep hole drilling and boring machine feeding protection device belongs to mechanical technical field. BACKGROUND

[0002] At present, when the cutting load suddenly exceeds the preset value due to the tool damage or the material quality change of the machined material during the machining process of the heavy -duty deep hole drilling and boring machine, the equipment needs to adjust the feeding system through the positive rotation to reverse rotation mode. However, the motor response speed is slow in the prior art, and the switching time from positive rotation to reverse rotation is too long, which not only reduces the working efficiency of the equipment, but also further aggravates the risk of tool or equipment component damage. In addition, the traditional feeding system lacks effective protection measures for overload conditions, which is easy to cause transmission precision loss, machining precision decline and other problems. SUMMARY

[0003] In order to overcome the defects of the prior art, the utility model provides a heavy -duty deep hole drilling and boring machine feeding protection device, which solves the problems that the motor response time from positive rotation to reverse rotation is slow when the cutting load exceeds the preselected value due to the tool damage or the material quality change of the heavy -duty deep hole drilling and boring machine, thereby affecting the working efficiency, can quickly respond to overload protection, reduce the risk of tool damage, improve the working efficiency, and guarantee the machining precision and the long-term stability of the equipment.

[0004] The utility model solves technical scheme that adopts: a heavy -duty deep hole drilling and boring machine feeding protection device, including the box and the transmission shaft, the transmission shaft is installed in the box inside, be equipped with a driven gear on the transmission shaft, the box outside one side is installed with a feeding motor and an overload protection motor, and the feeding motor and the overload protection motor are arranged at intervals;The drive end of the feeding motor is fixed with a transmission gear, and the transmission gear is located in the box and is engaged with the driven gear.

[0005] The drive end of the overload protection motor is fixed with a drive shaft, and the drive shaft is located in the box, and a pulley b is fixed on the end of the drive shaft, a pulley a is fixed on the transmission shaft, and a belt is connected between the pulley a and the pulley b.

[0006] On the side of the pulley a close to the feeding motor, a feeding clutch is installed on the transmission shaft;On the side of the pulley a away from the feeding motor, an overload protection clutch is installed on the transmission shaft.

[0007] Further, a support seat is fixed in the circumferential direction of the drive shaft in the box.

[0008] The utility model discloses a beneficial effect is: the utility model discloses can quick response overload protection, through the cooperation of feed motor and overload protection motor, can when cutting load exceeds the preset value, feed motor is stopped quickly and starts protection mechanism, effectively prevent the damage of overload condition to equipment, reduce the risk of tool damage, when cutting load is unusual, feed clutch is automatically disconnected, and the overload protection motor drives the pulley control protection clutch, and the tool is in time and is taken out the processing area, and the risk of tool damage is reduced significantly, improve work efficiency, compared with the long response time of reverse rotation in traditional technology, the utility model device can adjust the feed system quickly, guarantee equipment still can steady operation when load changes, improve overall work efficiency, guarantee the processing precision and the stability of equipment, avoid the loss of transmission precision and the decline of processing precision through effective overload protection measures, thereby improve the long-term stability of the machining quality and precision of heavy deep hole drilling and boring machine. BRIEF DESCRIPTION OF DRAWINGS

[0009] The utility model is further explained below in combination with the drawings and specific embodiment.

[0010] Figure 1 It is the structure schematic diagram of the utility model.

[0011] Mark in the drawing:

[0012] 1, feed motor, 2, overload protection motor, 3, transmission gear, 4, belt, 5, feed clutch, 6, overload protection clutch, 7, pulley a, 8, pulley b, 9, transmission shaft, 10, box, 11, drive shaft, 12, driven gear, 13, support seat. SPECIFIC EMBODIMENT

[0013] As Figure 1 Shown, a kind of heavy deep hole drilling and boring machine feed protection device, including box 10 and transmission shaft 9, transmission shaft 9 is installed in the inside of box 10, transmission shaft 9 is equipped with a driven gear 12, the outside one side of the box 10 is equipped with a feed motor 1 and an overload protection motor 2, feed motor 1 and overload protection motor 2 are arranged at intervals;The drive end of feed motor 1 is fixed with a transmission gear 3, and the transmission gear 3 is located in the inside of box 10 and is engaged with driven gear 12.

[0014] The drive end of overload protection motor 2 is fixed with a drive shaft 11, and the drive shaft 11 is located in the inside of box 10;In the circumferential direction of drive shaft 11, the inside of box 10 is fixed with a support seat 13, and drive shaft 11 is installed in support seat 13;The end of drive shaft 11 is fixed with a pulley b 8, and transmission shaft 9 is fixed with a pulley a 7, and pulley a 7 is connected with pulley b 8 with a belt 4.

[0015] On the side of the pulley a7 close to the feed motor 1, the transmission shaft 9 is equipped with a feed clutch 5; on the side of the pulley a7 away from the feed motor 1, the transmission shaft 9 is equipped with an overload protection clutch 6.

[0016] When processing is needed, the feed motor 1 is started and drives the gear 3 to rotate, the transmission gear 3 drives the driven gear 12 to drive the transmission shaft 9 to rotate under the support action of the two end bearings, and at the same time the feed clutch 5 is attracted, so that the feeding device enters the normal running state; when the cutting load exceeds the preset value, the feed motor 1 stops running, and at the same time the feed clutch 5 is automatically disconnected; at this time, the overload protection motor 2 works, the output end of the overload protection motor 2 drives the drive shaft 11 and the pulley b8 to rotate under the support action of the bearing, the pulley b8 drives the pulley a7 and the transmission shaft 9 to rotate through the belt 4, so that the action of the pulley a7 correspondingly controls the overload protection clutch 6 to be attracted to make the tool exit a distance, and after the problem is handled, the work is continued.

[0017] The cooperative work of each component aims to effectively protect the feeding system and ensure the running stability and machining precision of the equipment. Under the normal working state, the feed motor 1 is started and drives the transmission gear 3, and at the same time the feed clutch 5 is attracted, so that the feeding device enters the normal running state; when the tool is damaged or the material quality of the processed material changes during the cutting process, resulting in that the cutting load exceeds the preset value, the feed motor 1 appears overcurrent protection and stops running, and at the same time the feed clutch 5 is automatically disconnected; at this time, the overload protection motor 2 works, and the action of the belt transmission correspondingly controls the overload protection clutch 6 to be attracted, so as to protect the equipment.

[0018] When working normally, the feed motor 1 drives the feeding system to run; when the cutting load exceeds the preset value, the feed motor 1 stops and starts the protection mechanism through the overload protection motor 2, automatically disconnects the feed clutch 5, and controls the tool to exit the machining area.

Claims

1. A heavy-duty deep hole drilling and boring machine feed protection device, comprising a box body (10) and a transmission shaft (9), the transmission shaft (9) is arranged inside the box body (10), and a driven gear (12) is arranged on the transmission shaft (9), characterized in that: The box (10) is externally provided with a feeding motor (1) and an overload protection motor (2), which are arranged at intervals; the driving end of the feeding motor (1) is fixed with a transmission gear (3), which is located inside the box (10) and meshes with a driven gear (12); The driving end of the overload protection motor (2) is fixed with a driving shaft (11), which is located inside the box (10), and the end of the driving shaft (11) is fixed with a belt pulley b (8); the transmission shaft (9) is fixed with a belt pulley a (7), and the belt pulley a (7) and the belt pulley b (8) are connected with a belt (4); On the side of the belt pulley a (7) close to the feeding motor (1), the transmission shaft (9) is provided with a feeding clutch (5); on the side of the belt pulley a (7) away from the feeding motor (1), the transmission shaft (9) is provided with an overload protection clutch (6).

2. The heavy-duty deep hole drilling and boring machine feed protection device according to claim 1, characterized in that: In the circumferential direction of the driving shaft (11), the inside of the box (10) is fixed with a support seat (13), and the driving shaft (11) is arranged in the support seat (13).

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