Thread decay prevention tool for lathe tapping

Abstract

The utility model relates to a thread decay prevention tool for lathe tapping. The thread decay prevention tool comprises a taper shank, a connecting rod, a sleeve and a screw tap, the taper shank, the sleeve and the screw tap are sequentially distributed, and the connecting rod is arranged in the sleeve and used for achieving connection between the taper shank and the sleeve. One side of the taper shank is provided with a first groove allowing the connecting rod to be embedded and installed, the side, close to the taper shank, of the sleeve is provided with a second groove allowing the connecting rod to be embedded and installed, the side, away from the taper shank, of the sleeve is provided with a third groove allowing the screw tap to be embedded and installed, and the connecting rod is fixed to the taper shank or the sleeve through cooperation of a bolt and a nut. And the screw tap is fixed with the sleeve through the matching of the puller bolt. The tool provided by the utility model has a fine adjustment function, can effectively perform compensation when a component is centered, ensures that a workpiece and a screw tap are concentric, greatly reduces the phenomena of tooth breakage and different tooth diameter depths, and improves the machining quality.

Description

Technical Field

[0001] This utility model relates to the field of CNC machining of components, and in particular to a lathe tapping tool to prevent thread rot. Background Technology

[0002] When tapping with a logarithmic control on a lathe, conventional taps and sleeves are typically used for a "rigid" connection. However, when machining components, there may be misalignment, leading to uneven cutting, resulting in defects such as tooth decay and inconsistent tooth diameter and depth. This results in low yield and frequent rework. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a lathe tapping tool that can effectively reduce the occurrence of tooth decay and uneven tooth diameter and depth, thus preventing tooth decay.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is: a lathe tapping tool to prevent thread decay, the innovation of which is: including a taper shank, a connecting rod, a sleeve and a tap;

[0005] The taper shank, sleeve, and tap are arranged in sequence, and the connecting rod is placed inside the sleeve and used to connect the taper shank and the sleeve.

[0006] The tapered shank has a first groove on one side for inserting a connecting rod, a second groove on the side of the sleeve near the tapered shank for inserting a connecting rod, and a third groove on the side of the sleeve away from the tapered shank for inserting a tap. The connecting rod is fixed to the tapered shank or sleeve by bolts and nuts, and the tap is fixed to the sleeve by tightening bolts.

[0007] Furthermore, the fixing between the connecting rod and the cone shank and sleeve is as follows: the connecting rod is cuboid in shape, with a connecting through hole on each side, defined as the first through hole and the second through hole respectively, and the axial directions of the first through hole and the second through hole are perpendicular to each other. A third through hole connected to the first groove is opened on both sides of the cone shank, and a fourth through hole connected to the second groove is opened on the side of the sleeve near the cone shank. A bolt is passed through the third through hole and the first through hole and then tightened with a nut to fix the connecting rod to the cone shank. Another bolt is passed through the fourth through hole and the second through hole and then tightened with a nut to fix the connecting rod to the sleeve.

[0008] Furthermore, the tap and the sleeve are fixed as follows: the tap has an outwardly extending insert section on the side near the sleeve. The insert section is rectangular. On both sides of the sleeve, there is a threaded through hole connected to the third groove. After the insert section is inserted into the third groove, a pair of tightening bolts pass through the threaded through holes on the sleeve and abut against both sides of the insert section to achieve the tightening and fixing of the tap.

[0009] The advantages of this utility model are as follows: The tool of this utility model is a combination tool composed of a taper shank, a connecting rod, a sleeve and a tap. It adopts a gap connection method, which enables the tool to have a fine adjustment function. It can effectively compensate when the components are aligned, ensuring that the workpiece and the tap are concentric, which greatly reduces the occurrence of tooth decay and uneven tooth diameter and depth, and improves the processing quality. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the lathe tapping tool for preventing thread rot on the present invention. Detailed Implementation

[0011] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0012] like Figure 1 The lathe tapping tool shown includes a taper shank 1, a connecting rod 2, a sleeve 3, and a tap 4. The taper shank 1, sleeve 3, and tap 4 are arranged in sequence. The connecting rod 2 is placed inside the sleeve 3 and is used to connect the taper shank 1 and the sleeve 3.

[0013] The taper shank 1 is composed of two cylindrical segments of different sizes, which are defined as the large segment 11 and the small segment 12 respectively. On the side of the large segment 11 away from the small segment 12, there is also an outwardly extending fixing segment 13. The fixing segment 13 is cuboid in shape and is used to fix the taper shank 1 to the lathe.

[0014] The smaller segment 12 of the tapered shank 1, away from the larger segment 11, has a first groove for the connecting rod 2 to be inserted and installed. The sleeve 3, near the tapered shank 1, has a second groove for the connecting rod 2 to be inserted and installed. The connecting rod 2 is fixed to the tapered shank 1 or the sleeve 3 by bolts and nuts. The fixing of the connecting rod 2 to the tapered shank 1 and the sleeve 3 is as follows:

[0015] The connecting rod 2 is rectangular, and the first and second grooves are also rectangular. A connecting through hole for bolts to pass through is opened on both sides of the connecting rod 2, and the two connecting through holes are defined as the first through hole 21 and the second through hole, respectively. The axial directions of the first through hole 21 and the second through hole are perpendicular to each other. A third through hole 121 is opened on both sides of the radial direction of the small section 12 of the tapered shank 1 to communicate with the first groove. A fourth through hole is opened on the side of the sleeve 3 near the tapered shank 1 to communicate with the second groove.

[0016] During the fixing process, firstly, the side of the connecting rod 2 with the first through hole 21 is inserted into the first groove of the tapered handle 1, and the first through hole 21 is aligned with the third through hole 121. Then, a bolt 22 is passed through the third through hole 121 and the first through hole 21 and tightened with a nut 23 to fix the connecting rod 2 to the tapered handle 1. Next, the side of the connecting rod 2 with the second through hole is inserted into the second groove of the sleeve 3, and the second through hole is aligned with the fourth through hole. Then, another bolt 22 is passed through the fourth through hole and the second through hole and tightened with a nut 23 to fix the connecting rod 2 to the sleeve 3.

[0017] A third groove is provided on the side of the sleeve 3 away from the taper shank 1 for the tap 4 to be inserted and installed. The tap 4 is fixed to the sleeve 3 by the cooperation of the tightening bolts 5. The fixing between the tap 4 and the sleeve 3 is as follows: the tap 4 has an outwardly extending insertion section 41 on the side of the sleeve 3. The insertion section 41 is rectangular, and the corresponding third groove is also rectangular. A threaded through hole connected to the third groove is also provided on both sides of the sleeve 3. After the insertion section 41 is inserted into the third groove, a pair of tightening bolts 5 pass through the threaded through holes on the sleeve 3 and abut against both sides of the insertion section 41 to achieve the tightening and fixing of the tap 4.

[0018] The tool of this utility model is a combination tool consisting of a taper shank 1, a connecting rod 2, a sleeve 3, and a tap 4 connected together. The connection between the taper shank 1 and the tap 4 is achieved by using a gap connection method. Due to the existence of the gap, the tool has a certain fine adjustment function, which can effectively compensate when the components are aligned, ensuring that the workpiece and the tap 4 are concentric, greatly reducing the occurrence of tooth decay and uneven tooth diameter and depth, and improving the processing quality.

[0019] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A lathe tapping tool to prevent thread rot, characterized in that: Includes taper shank, connecting rod, sleeve and tap; The taper shank, sleeve, and tap are arranged in sequence, and the connecting rod is placed inside the sleeve and used to connect the taper shank and the sleeve. The tapered shank has a first groove on one side for inserting a connecting rod, a second groove on the side of the sleeve near the tapered shank for inserting a connecting rod, and a third groove on the side of the sleeve away from the tapered shank for inserting a tap. The connecting rod is fixed to the tapered shank or sleeve by bolts and nuts, and the tap is fixed to the sleeve by tightening bolts.

2. The lathe tapping tool for preventing thread decay according to claim 1, characterized in that: The connection between the connecting rod and the cone shank and sleeve is fixed as follows: The connecting rod is rectangular in shape, with a connecting through hole on each side, defined as the first through hole and the second through hole, respectively, and the axes of the first through hole and the second through hole are perpendicular to each other. A third through hole connected to the first groove is opened on both sides of the cone shank, and a fourth through hole connected to the second groove is opened on the side of the sleeve near the cone shank. A bolt is passed through the third through hole and the first through hole and then tightened with a nut to fix the connecting rod to the cone shank. Another bolt is passed through the fourth through hole and the second through hole and then tightened with a nut to fix the connecting rod to the sleeve.

3. The lathe tapping tool for preventing thread decay according to claim 1, characterized in that: The tap and sleeve are fixed as follows: the tap has an outwardly extending insert section on the side near the sleeve. The insert section is rectangular. On both sides of the sleeve, there is a threaded through hole connected to the third groove. After the insert section is inserted into the third groove, a pair of tightening bolts pass through the threaded through holes on the sleeve and abut against both sides of the insert section to achieve the tightening and fixing of the tap.

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