Inner hole turning cutter bar

By using fixing screws and fixing holes in the inner hole turning tool rod and setting up a coolant booster pump to improve cooling efficiency, the problems of unstable blade installation and low cooling efficiency are solved, and higher stability and processing quality are achieved.

CN222660165UActive Publication Date: 2025-03-25NINGBO DONGHAI JINGRUI MACHINERY MFG
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Patent Information

Application Number
CN202420345018.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-23
Publication Date
2025-03-25
Estimated Expiration
2034-02-23

AI Technical Summary

Technical Problem

During use, the existing inner hole turning tool rods have problems such as instability in the insert installation and low cutting cooling efficiency.

Method used

An inner hole turning tool rod is designed, using a combination of fixing screws and fixing holes to enhance the fixing stability of the blade, and a coolant booster pump is installed in the tool rod to speed up the cooling speed by pressurizing the coolant.

Benefits of technology

Through the combination of fixing screws and fixing holes, the stable installation of the blade is ensured, the cooling efficiency is improved, the service life of the blade is extended, and the processing accuracy and quality are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an inner bore turning toolbar, which relates to the technical field of machining, and comprises a turning toolbar body, the outer surface of the turning toolbar body is provided with a blade mounting groove, and the outer surface of the turning toolbar body is provided with two cooling liquid main nozzles. The blade fixing device is reasonable in design structure, the blade can be fixed more firmly through matched use of the fixing screws and the fixing holes, the blade is more stable in the using process, and the blade fixing device has the advantage of being more stable in installation; cooling liquid can be effectively guided to flow through the cutter bar body, the temperature of the blade is reduced, and therefore the effect of increasing the cooling speed is achieved, the cooling effect is better, the service life of the blade is prolonged, the damping effect of the device can be improved by arranging the cooling liquid booster pump, the machining precision of the device is higher, and the machining efficiency is improved. The method has the advantage of higher processing quality.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to an inner hole turning tool bar. Background Art

[0002] Machining refers to the process of changing the shape, size or performance of a workpiece through a mechanical device. It is also called machining. This process mainly uses various mechanical equipment to transform raw materials into the required shape, size and surface quality. According to different processing methods, mechanical processing can be divided into cutting processing and pressure processing. Mechanical processing is an indispensable part of the manufacturing industry. It covers a variety of precision processing methods to meet the needs of different parts.

[0003] In the mechanical manufacturing process, internal hole turning is a common processing method, which is used to process the internal holes of various shaft parts. Traditional internal hole turning tools usually include a tool bar and a blade installed on the tool bar. However, the existing internal hole turning tool bar has some problems during use, such as unstable blade installation and low cutting cooling efficiency. Therefore, we provide an internal hole turning tool bar to solve the above problems. Utility Model Content

[0004] 1) Technical issues solved

[0005] The utility model aims to make up for the deficiencies of the prior art and provides an inner hole turning tool bar.

[0006] 2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an inner hole turning tool bar, comprising a turning tool bar body, a blade mounting groove is provided on the outer surface of the turning tool bar body, two main cooling liquid nozzles are provided on the outer surface of the turning tool bar body, a cooling liquid inlet is provided on the left side of the turning tool bar body, a fixing hole is provided on the upper surface of the blade mounting groove, a fixing screw is connected to the inner thread of the fixing hole, a damping shock absorber is provided inside the turning tool bar body, a cavity is provided inside the turning tool bar body, the inner wall of the cavity is fixedly connected to the outer surface of the damping shock absorber, and the side surface of the turning tool bar body is fixedly connected to the outer surface of the damping shock absorber. A tail block is fixedly installed, and the internal thread of the tail block is connected to a closing block, a tightening block is provided on the left side of the closing block, a connecting hole is opened on the outer surface of the tightening block, the outer surface of the tightening block is fixedly connected to the outer surface of the closing block, a protective inner cavity is provided inside the tail block, a coolant booster pump is provided inside the protective inner cavity, the outer surface of the coolant booster pump is fixedly connected to the left side of the turning tool rod body, the input end of the coolant booster pump is fixedly connected to a connecting pipe, the output end of the coolant booster pump is fixedly connected to an output pipe, and the end of the output pipe away from the coolant booster pump is fixedly connected to the outer surface of the coolant inlet.

[0008] Furthermore, a fixing gasket is provided above the blade mounting groove, and the bottom surface of the fixing gasket is fixedly connected to the top end of the fixing screw.

[0009] Furthermore, a first stopper is fixedly connected to the upper surface of the blade mounting groove, and a first auxiliary nozzle is disposed on the outer surface of the first stopper.

[0010] Furthermore, a second stopper is fixedly connected to the upper surface of the blade mounting groove, and a second auxiliary nozzle is disposed on the outer surface of the second stopper.

[0011] Furthermore, a fixing groove is formed on the outer surface of the turning tool rod body, and a plurality of positioning holes are formed on the outer surface of the fixing groove.

[0012] Furthermore, one end of the communicating pipe away from the coolant booster pump passes through the communicating hole and extends to the left of the communicating hole, and a communicating device is fixedly installed on one end of the communicating pipe away from the coolant booster pump.

[0013] 3) Beneficial effects:

[0014] Compared with the prior art, the inner hole turning tool bar has the following beneficial effects:

[0015] 1. The utility model can make the blade more firmly fixed and more stable during use by using the fixing screws and the fixing holes, and has the advantage of more stable installation. By providing a coolant booster pump, the pressure of the coolant can be increased, and the coolant can be effectively guided to flow through the knife bar body to reduce the temperature of the blade, thereby achieving the effect of accelerating the cooling speed. It has the advantage of better cooling effect and extends the service life of the blade.

[0016] Second, the utility model is provided with a coolant booster pump, which can increase the shock absorption effect of the device, make the processing accuracy of the device higher, and have the advantage of higher processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of an inner hole turning tool bar of the utility model;

[0018] Figure 2 This is a side view of an inner hole turning tool bar of the utility model;

[0019] Figure 3 This is a top view of an inner hole turning tool bar of the utility model;

[0020] Figure 4 This is a front cross-sectional view of an inner hole turning tool bar of the utility model;

[0021] In the figure: 1. turning tool bar body; 2. main coolant nozzle; 3. first stopper; 4. first auxiliary nozzle; 5. second stopper; 6. blade mounting groove; 7. fixing screw; 8. fixing hole; 9. fixing gasket; 10. connecting pipe; 11. connecting device; 12. tail block; 13. fixing groove; 14. positioning hole; 15. connecting hole; 16. tightening block; 17. closing block; 18. second auxiliary nozzle; 19. coolant booster pump; 20. protective inner cavity; 21. damping shock absorber; 22. cavity; 23. output pipe; 24. coolant inlet. DETAILED DESCRIPTION

[0022] 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.

[0023] like Figure 1-4 As shown, the utility model provides a technical solution: an inner hole turning tool bar, including a turning tool bar body 1, a blade mounting groove 6 is provided on the outer surface of the turning tool bar body 1, two main cooling liquid nozzles 2 are provided on the outer surface of the turning tool bar body 1, a cooling liquid inlet 24 is provided on the left side of the turning tool bar body 1, a fixing hole 8 is provided on the upper surface of the blade mounting groove 6, a fixing screw 7 is connected to the inner thread of the fixing hole 8, a damping shock absorber 21 is provided inside the turning tool bar body 1, a cavity 22 is provided inside the turning tool bar body 1, the inner wall of the cavity 22 is fixedly connected to the outer surface of the damping shock absorber 21, a tail block 12 is fixedly installed on the side of the turning tool bar body 1, and the tail block The internal thread of 12 is connected with a closing block 17, and a tightening block 16 is provided on the left side of the closing block 17. A connecting hole 15 is opened on the outer surface of the tightening block 16, and the outer surface of the tightening block 16 is fixedly connected to the outer surface of the closing block 17. A protective inner cavity 20 is provided inside the tail block 12, and a coolant booster pump 19 is provided inside the protective inner cavity 20. The outer surface of the coolant booster pump 19 is fixedly connected to the left side surface of the turning tool rod body 1, and the input end of the coolant booster pump 19 is fixedly connected to the connecting pipe 10, and the output end of the coolant booster pump 19 is fixedly connected to the output pipe 23, and the end of the output pipe 23 away from the coolant booster pump 19 is fixedly connected to the outer surface of the coolant inlet 24.

[0024] A fixing gasket 9 is provided above the blade mounting groove 6, and the bottom surface of the fixing gasket 9 is fixedly connected to the top of the fixing screw 7. By providing the fixing gasket 9, the installation of the blade is more firmly, making it more stable during the cutting process, thereby improving the cutting efficiency. A first stopper 3 is fixedly connected to the upper surface of the blade mounting groove 6, and a first auxiliary nozzle 4 is provided on the outer surface of the first stopper 3. A second stopper 5 is fixedly connected to the upper surface of the blade mounting groove 6, and a second auxiliary nozzle 18 is provided on the outer surface of the second stopper 5. The coordinated use of the first stopper 3 and the second stopper 5 can prevent the blade from shaking during the processing, thereby ensuring the normal processing of the device and improving the processing efficiency of the device.

[0025] A fixing groove 13 is provided on the outer surface of the turning tool bar body 1, and a plurality of positioning holes 14 are provided on the outer surface of the fixing groove 13. By using the fixing groove 13 and the positioning holes 14 in coordination, the stability and operating efficiency of the device can be improved, and the turning tool bar body 1 can be more firmly fixed on the processing part, reducing vibration and displacement during processing, thereby improving the processing accuracy of the device. The end of the connecting pipe 10 away from the coolant booster pump 19 passes through the connecting hole 15 and extends to the left of the connecting hole 15. A connecting device 11 is fixedly installed on the end of the connecting pipe 10 away from the coolant booster pump 19. The connecting device 11 can be used to directly connect the coolant pipe, thereby achieving an effect of easier use.

[0026] Working principle: When in use, first install the device at the designated processing position through the combined action of the fixing groove 13 and the positioning hole 14, use the connecting device 11 and the coolant interface to dock, place the prepared blade into the blade mounting groove 6, and use the combined action of the fixing screw 7 and the fixing hole 8 to fix and install the blade. When cutting, use the damping shock absorber 21 to reduce the vibration of the device inside the cavity 22 to improve the processing accuracy of the device, start the coolant booster pump 19, and the coolant booster pump 19 uses the connecting pipe 10 to extract coolant for pressurization. The coolant booster pump 19 uses the output pipe 23 to transmit the pressurized cooling to the coolant main nozzle 2 to align the blade for cooling.

Claims

1. An internal turning tool bar, comprising a turning tool bar body (1), characterized in that: The outer surface of the turning tool bar body (1) is provided with a blade mounting groove (6), the outer surface of the turning tool bar body (1) is provided with two main cooling liquid nozzles (2), the left side of the turning tool bar body (1) is provided with a cooling liquid inlet (24), the upper surface of the blade mounting groove (6) is provided with a fixing hole (8), the internal thread of the fixing hole (8) is connected with a fixing screw (7), the interior of the turning tool bar body (1) is provided with a damping shock absorber (21), the interior of the turning tool bar body (1) is provided with a cavity (22), the inner wall of the cavity (22) is fixedly connected to the outer surface of the damping shock absorber (21), the side of the turning tool bar body (1) is fixedly installed with a tail block (12), the internal thread of the tail block (12) is connected with a closing block (17), A tension block (16) is provided on the left side of the closing block (17), a connecting hole (15) is provided on the outer surface of the tension block (16), the outer surface of the tension block (16) is fixedly connected to the outer surface of the closing block (17), a protective inner cavity (20) is provided inside the tail block (12), a coolant booster pump (19) is provided inside the protective inner cavity (20), the outer surface of the coolant booster pump (19) is fixedly connected to the left side surface of the turning tool rod body (1), the input end of the coolant booster pump (19) is fixedly connected to a connecting pipe (10), the output end of the coolant booster pump (19) is fixedly connected to an output pipe (23), and the end of the output pipe (23) away from the coolant booster pump (19) is fixedly connected to the outer surface of the coolant inlet (24).

2. The inner hole turning tool bar according to claim 1, characterized in that: A fixing gasket (9) is provided above the blade mounting groove (6), and the bottom surface of the fixing gasket (9) is fixedly connected to the top end of the fixing screw (7).

3. The inner hole turning tool bar according to claim 1, characterized in that: The upper surface of the blade mounting groove (6) is fixedly connected to a first stopper (3), and the outer surface of the first stopper (3) is provided with a first auxiliary nozzle (4).

4. The inner hole turning tool bar according to claim 1, characterized in that: A second stopper (5) is fixedly connected to the upper surface of the blade mounting groove (6), and a second auxiliary nozzle (18) is provided on the outer surface of the second stopper (5).

5. The inner hole turning tool bar according to claim 1, characterized in that: The outer surface of the turning tool bar body (1) is provided with a fixing groove (13), and the outer surface of the fixing groove (13) is provided with a plurality of positioning holes (14).

6. The inner hole turning tool bar according to claim 1, characterized in that: The end of the connecting pipe (10) away from the coolant booster pump (19) passes through the connecting hole (15) and extends to the left of the connecting hole (15). The end of the connecting pipe (10) away from the coolant booster pump (19) is fixedly installed with a connecting device (11).