A large-diameter deep hole machining tool bar for turning machining

CN224855012UActive Publication Date: 2026-10-16BAOTI PRECISION TECH (BAOJI) CO LTD
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Patent Information

Application Number
CN202522300202.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-30
Publication Date
2026-10-16
Estimated Expiration
2035-10-30

AI Technical Summary

Technical Problem

[0003]然而,定制化刀具的生产周期较长,通常需要15天甚至更久的时间来完成设计、制造和调试等全过程

Benefits of technology

1、缩短生产周期,提升交货及时性:

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Abstract

The utility model provides a big diameter deep hole processing cutter bar for turning processing belongs to material processing technical field, including the handle, its one end is connected with lathe fixedly, and still has set up the article groove in the other end surface, the cutter bar is placed in the article groove and can rotate in the article groove, and the cutter bar end part is located in the article groove outside, a plurality of thread holes, its set up in handle end part, the thread hole one end is linked together with the article groove, the thread hole other end is linked together with handle outer wall surface, is used for screwing in the bolt in the thread hole, can fix the guide rod in the article groove through the bolt, the utility model discloses can be convenient for adjusting the angle and position of cutter bar to be applicable to processing the deep hole of different diameter, so need not replace different handle in the working process, and then can indirectly promote the processing efficiency of material still can reduce the expense required to purchase multiple handle.
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Description

Technical Field

[0001] This utility model relates to the field of material processing equipment technology, specifically to a tool holder for machining large-diameter deep holes in turning. Background Technology

[0002] In the field of machining, deep hole machining is a common and important process, widely used in the manufacture of various ring-shaped parts, shaft-shaped parts, and other components with deep hole structures. Traditional deep hole machining methods typically rely on custom-made cutting tools, which are specifically designed and manufactured according to the machining characteristics of the specific product.

[0003] However, the production cycle for customized cutting tools is relatively long, typically requiring 15 days or even longer to complete the entire process, including design, manufacturing, and debugging. This extended wait not only prolongs the overall production cycle but may also lead to delivery delays, thereby impacting customer satisfaction and market competitiveness.

[0004] Secondly, since each knife is custom-made for a specific product, its design, material, and manufacturing costs are relatively high, which directly leads to an increase in production costs and poses a huge challenge to companies in terms of cost control.

[0005] Furthermore, customized cutting tools typically have a narrow scope of application, often only suitable for machining a specific type of product. This means that when a company needs to machine different types or sizes of products, it must redesign and manufacture new cutting tools, which undoubtedly further increases production and time costs. Utility Model Content

[0006] In view of this, the present invention provides a tool holder for machining large-diameter deep holes in turning. The present invention allows for easy adjustment of the angle and position of the tool holder, thereby making it suitable for machining deep holes of different diameters. This eliminates the need to change different tool holders during operation, thereby indirectly improving material processing efficiency and reducing the cost of purchasing multiple tool holders.

[0007] To solve the above-mentioned technical problems, this utility model provides a tool holder for machining large-diameter deep holes in turning, including a tool holder, one end of which is fixedly connected to a lathe, and the other end face is provided with a storage groove.

[0008] The tool holder is placed in the storage slot and can rotate within the storage slot. The position of the tool holder within the storage slot can be changed, and the end of the tool holder is located outside the storage slot. The tool holder exposed outside the storage slot is used to process the product.

[0009] Several threaded holes are provided at the end of the tool holder. One end of the threaded hole is connected to the storage groove, and the other end of the threaded hole is connected to the outer wall of the tool holder. Bolts are screwed into the threaded holes. The guide rod can be fixed in the storage groove by the bolts. The end of the bolt can abut against the outer wall of the guide rod to clamp the bolt in the storage groove.

[0010] The storage slot is horizontally positioned at the end of the tool holder, allowing for greater rotation of the tool shank within the slot, thus expanding its applicability.

[0011] The tool holder has multiple threaded holes, each with a bolt inside. These bolts ensure a more secure fixation of the tool holder.

[0012] The cutter head can also be detachably fixed at the end of the cutter bar, making it easy to replace the cutter head.

[0013] A cutter head is also fixed to the end of the cutter bar. The angle of the cutter head on the guide rod can be adjusted to make it easy to cut different angles on the product.

[0014] The cutter head is fixed to the end of the guide rod by a bolt passing through it.

[0015] The end of the tool holder is also provided with a relief groove corresponding to the tool head, and the tool head is placed in the relief groove. The tool head can rotate within the relief groove, that is, the angle can be adjusted without removing the tool head.

[0016] The cutter head has a rhomboid or triangular cross-section.

[0017] In summary, compared with the prior art, this application includes at least one of the following beneficial technical effects: 1. Shorten the production cycle and improve delivery timeliness: The tool holder angle and position are easy to adjust, making it suitable for machining deep holes of different diameters. There is no need to change different tool holders during operation, avoiding long waiting times caused by custom-made new tools, greatly shortening the production cycle, ensuring on-time product delivery, and improving customer satisfaction and market competitiveness.

[0018] 2. Reduce production costs and enhance cost control capabilities: The adjustable tool holder reduces the need to purchase multiple custom tool holders, lowering the cost of procuring various tool holders and thus effectively controlling production costs, giving the company a greater advantage in cost control.

[0019] 3. Flexible adjustment and wide applicability: The angle of the cutter head on the cutter shank is adjustable. The cutter head is fixed to the end of the cutter shank by a bolt passing through it, and the end of the cutter shank has a relief groove corresponding to the cutter head. The cutter head can rotate in the relief groove, and the angle can be adjusted without disassembling it. This makes it easy to cut different angles on the product, further improving the applicability and flexibility of the cutter shank.

[0020] 4. Securely fixed to ensure processing quality: The tool holder has multiple threaded holes, each with a bolt inside. These bolts securely fix the tool holder in the slot, preventing it from shaking or shifting during machining. This ensures machining accuracy and quality, and improves the product qualification rate.

[0021] 5. Easy to replace, improving usage efficiency: The cutter head is detachably fixed at the end of the cutter bar. When the cutter head wears out or when it is necessary to process deep holes with different requirements, it is easy to quickly replace the cutter head, which reduces the time for changing tools, improves the efficiency of equipment use, and ensures the continuity of production. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of a large-diameter deep hole machining tool holder for turning according to this utility model.

[0023] Explanation of reference numerals in the attached figures: 1. Handle; 2. Barrel; 3. Storage slot; 4. Bolt; 5. Cutting head; 6. Clearance slot. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings of the embodiments of this utility model. Figure 1 The technical solutions of the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.

[0025] This embodiment provides a tool holder 2 for machining large-diameter deep holes in turning, such as... Figure 1 As shown: a tool holder 1 with a columnar structure, one end of the tool holder 1 is detachably fixed to the machine tool, and the other end of the tool holder 1 is provided with a storage groove 3, in which a tool head 5 is placed, and one end of the tool head 5 is exposed outside the storage groove 3, so that the part of the tool head 5 exposed outside the storage groove 3 can be used to process the product.

[0026] Specifically, the end of the handle 1 is also provided with several threaded holes. One end of the threaded hole is connected to the storage groove 3, and the other end of the storage groove 3 is connected to the outer wall surface of the handle 1. The threaded hole can be used to screw in the bolt 4. That is, after the bolt 4 is screwed into the threaded hole, it can abut against the outer wall surface of the handle 2, and the handle 2 will be rigidly abutted against the storage groove 3 to form a clamping and fixing effect.

[0027] Preferably, the tool holder 2 can rotate within the storage slot 3. After the tool holder 2 rotates, it can process deep holes of different diameters on the product. When it is necessary to change the angle of the tool holder 2, the bolt 4 can be unscrewed outwards by a part. After the position of the tool holder 2 is rotated, the bolt 4 can be tightened to complete the adjustment process.

[0028] Furthermore, the end of the tool holder 2 is provided with a tool head 5, which is the part that directly contacts the product and is used to process the product. The tool head 5 has a through hole, and a threaded hole is provided on the guide rod corresponding to the through hole. That is, the bolt 4 passes through the through hole and is inserted into the threaded hole to fix the tool head 5 on the tool holder 2. Loosening the bolt 4 allows the tool head 5 to rotate on the tool holder 2, thereby making fine adjustments to the processed deep hole. Removing the bolt 4 allows the tool head 5 to be disassembled, so that the tool head 5 can be replaced or maintained.

[0029] Correspondingly, the end of the cutter head 5 is also provided with a relief groove 6, and the cutter head 5 is located in the relief groove 6. The cutter head 5 can rotate in the relief groove 6, thereby making the structure of the machining tool more compact.

[0030] The cross-section of the cutting head 5 is either a rhomboid or triangular structure. The rhomboid cutting head 5: Its rhomboid shape makes it more adaptable to machining deep holes of different shapes and sizes. Its unique geometry allows for adjustment of the cutting angle and depth to accommodate the machining needs of deep holes with varying curvatures and diameters. For example, when machining deep holes with varying diameters, the rhomboid cutting head 5 can fine-tune its cutting position to better fit the hole wall, achieving more precise machining. The triangular cutting head 5: The triangular structure is relatively regular and stable, providing a more consistent cutting effect when machining large-diameter deep holes with high precision requirements. The symmetrical distribution of its three cutting edges ensures uniform force distribution during rotation, reducing machining errors caused by uneven force distribution, thereby improving the diameter accuracy and roundness of the deep hole.

[0031] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A tool holder for machining large-diameter deep holes in turning, characterized in that, include: The tool holder (1) is fixedly connected to the lathe at one end, and a storage slot (3) is provided on the other end face; The tool holder (2) is placed in the storage slot (3) and can rotate in the storage slot (3), and the end of the tool holder (2) is located outside the storage slot (3); Several threaded holes are provided at the end of the tool holder (1). One end of the threaded hole is connected to the storage groove (3), and the other end of the threaded hole is connected to the outer wall of the tool holder (1). Bolts (4) are screwed into the threaded holes, and the guide rod can be fixed in the storage groove (3) by means of the bolts (4).

2. The tool holder (2) for machining large-diameter deep holes in turning as described in claim 1, characterized in that, The storage slot (3) is horizontally disposed at the end of the handle (1).

3. The large-diameter deep hole machining tool holder (2) for turning as described in claim 1, characterized in that, The tool holder (1) is provided with multiple threaded holes, and each threaded hole is provided with a bolt (4).

4. The large-diameter deep hole machining tool holder (2) for turning as described in claim 1, characterized in that, The end of the cutter bar (2) can also be detachably fixed with a cutter head (5).

5. The large-diameter deep hole machining tool holder (2) for turning as described in claim 1, characterized in that, The end of the cutter bar (2) is also fixed with a cutter head (5), and the angle of the cutter head (5) on the guide rod can be adjusted.

6. A large-diameter deep hole machining tool holder (2) for turning as described in claim 4 or 5, characterized in that, The cutter head (5) is fixed to the end of the guide rod by a bolt (4) passing through the cutter head (5).

7. The large-diameter deep hole machining tool holder (2) for turning as described in claim 6, characterized in that, The end of the cutter bar (2) is also provided with a relief groove (6) corresponding to the cutter head (5), and the cutter head (5) is placed in the relief groove (6).

8. The large-diameter deep hole machining tool holder (2) for turning as described in claim 6, characterized in that, The cutter head (5) has a rhomboid or triangular cross-section.