Deep hole groove machining device

Abstract

The utility model provides a deep hole groove processingequipment, solved the problem that the radial direction of the knife pole will appear the problem of jumping when deep hole groove processing. Further include: support block, set up in the end of the knife pole, the size of support block is matched with the hole size of work piece, no. The guide groove is set up in one side of support block or the knife pole, and the guide groove is parallel with the tool bit setting, no. The convex part is set up in one side of the knife pole or support block, is used for with no. The guide groove cooperates. The support block is put into the hole of work piece together with the knife pole, and the support block is the cylinder structure, and the work piece is convenient to rotate relative to the support block, and the gear group is installed in the knife pole, is used for driving the circumferential rotation of the tool bit, and no. The guide groove cooperates with no. The convex part is convenient for the knife pole to move relative to the support block, when carrying out the groove processing, since the support block is connected with the knife pole, and then the knife pole is positioned, can effectively reduce the radial jumping of the knife pole, improves the processing quality of deep hole groove.

Description

Technical Field

[0001] This utility model relates to the field of threaded sleeve processing technology, specifically to a deep hole groove processing device. Background Technology

[0002] Machining deep holes has always been a difficult and important task in the technical machining industry. During the machining process, due to the long length of the tool holder, the tool head is easily affected by the machining resistance and the material properties of the workpiece when it acts on the inner wall of the workpiece. This can easily cause the tool holder to run out in the radial direction, which can easily damage the tool head. At the same time, the machining process is unstable, which will affect the machining quality of the groove. Utility Model Content

[0003] To overcome the shortcomings of the prior art, this utility model provides a deep hole groove machining device, which solves the problem of the tool holder running out in the radial direction during deep hole groove machining.

[0004] The technical solution adopted in this utility model is as follows:

[0005] A deep hole trenching apparatus includes a tool holder on which a cutting head is mounted, and further includes:

[0006] A support block is provided at the end of the tool holder, and the size of the support block matches the hole size of the workpiece;

[0007] The first guide groove is set on one side of the support block or the tool holder, and the first guide groove is set parallel to the tool head;

[0008] The first protrusion is located on one side of the tool holder or support block and is used to mate with the first guide groove.

[0009] The first guide groove is a dovetail groove.

[0010] A limiting block is also installed at one end of the tool holder. The first guide groove is set on the support block, and the first protrusion is set on the limiting block. Waist holes are provided on both sides of the limiting block, and bolts pass through the waist holes to connect with the tool holder.

[0011] The tool holder is provided with a second guide groove on the side near the limiting block, and the limiting block is provided with a second protrusion for cooperating with the second guide groove.

[0012] The side of the limiting block closest to the cutter head is an arc-shaped surface.

[0013] The support block has a chamfer at the end away from the tool holder.

[0014] The cutter bar is equipped with a cooling pipe, and the outlet of the cooling pipe corresponds to the cutter head.

[0015] The beneficial effects of this utility model are:

[0016] The support block and the tool holder are placed together into the hole of the workpiece. The support block has a cylindrical structure, which facilitates the rotation of the workpiece relative to the support block. A gear set is installed inside the tool holder to drive the circumferential rotation of the tool head. The first guide groove and the first protrusion cooperate to facilitate the movement of the tool holder relative to the support block. When performing groove machining, the support block is connected to the tool holder, which limits the tool holder and effectively reduces the radial runout of the tool holder, thereby improving the machining quality of deep hole grooves. Attached Figure Description

[0017] Figure 1 This is a cross-sectional schematic diagram of the present invention.

[0018] Figure 2 This is a schematic diagram of the support block of this utility model.

[0019] Figure 3 This is a schematic diagram of the limiting block of this utility model.

[0020] Figure 4 This is a schematic diagram of the tool holder of this utility model.

[0021] 1. Tool holder; 2. Tool head; 3. Support block; 4. Guide groove No. 1; 5. Protrusion No. 1; 6. Limiting block; 7. Waist hole; 8. Guide groove No. 2; 9. Protrusion No. 2; 10. Chamfer; 11. Cooling pipe. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0023] In the embodiments, such as Figure 1 , Figure 2 , Figure 3 As shown, the deep hole trenching apparatus includes a tool holder 1, on which a tool head 2 is mounted, and further includes:

[0024] Support block 3 is disposed at the end of tool holder 1, and the size of support block 3 matches the hole size of workpiece;

[0025] The first guide groove 4 is set on one side of the support block 3 or the tool bar 1, and the first guide groove 4 is set parallel to the tool head 2;

[0026] The first protrusion 5 is located on one side of the tool holder 1 or the support block 3 and is used to cooperate with the first guide groove 4.

[0027] When the first guide groove 4 and the first protrusion 5 are arranged opposite each other, and when the first guide groove 4 is located on one side of the support block 3, the first protrusion 5 is located on one side of the tool holder 1; when the first guide groove 4 is located on one side of the tool holder 1, the first protrusion 5 is located on one side of the support block 3; the support block 3 and the tool holder 1 are placed together into the hole of the workpiece. The support block 3 has a cylindrical structure, which facilitates the rotation of the workpiece relative to the support block 3. The tool holder 1 is equipped with a gear set, which is used to drive the circumferential rotation of the tool head 2. The first guide groove 4 and the first protrusion 5 cooperate to facilitate the movement of the tool holder 1 relative to the support block 3. When performing groove machining, since the support block 3 is connected to the tool holder 1, the tool holder 1 is limited, which can effectively reduce the radial runout of the tool holder 1 and improve the machining quality of deep hole grooves.

[0028] In the embodiments, such as Figure 2 As shown, the first guide groove 4 is a dovetail groove. The dovetail groove generates a self-locking effect through its trapezoidal inclined surface structure. After the dovetail groove cooperates with the first protrusion 5, it can effectively prevent the radial runout of the tool holder 2, thereby ensuring the machining quality of the deep hole groove.

[0029] In the embodiments, such as Figure 1 , Figure 3 As shown, a limiting block 6 is also installed at one end of the tool holder 1. The first guide groove 4 is set on the support block 3, and the first protrusion 5 is set on the limiting block 6. The limiting block 6 has waist holes 7 on both sides, and bolts pass through the waist holes 7 to connect with the tool holder 1. The tool holder 1 and the limiting block 6 can slide relative to the support block 3. By loosening the bolts, the front and rear positions of the limiting block 6 in the tool holder 1 can be adjusted, thereby adjusting the distance between the front end of the limiting block 6 and the front end of the tool head 2. When the front end face of the limiting block 6 contacts the inner wall of the hole, the tool holder 2 cannot move forward, and the depth of the groove is limited. By adjusting the front and rear distance of the limiting block 6, different groove depths can be processed.

[0030] In the embodiments, such as Figure 1 , Figure 3 , Figure 4 As shown, the tool holder 1 has a second guide groove 8 on the side near the limiting block 6, and the limiting block 6 has a second protrusion 9 for cooperating with the second guide groove 8. This ensures the linearity of the movement of the limiting block 6 relative to the tool holder 1, thereby ensuring the depth of the groove processed by the tool head 2.

[0031] In the embodiments, such as Figure 3 As shown, the side of the limiting block 6 closest to the cutter head 2 is an arc-shaped surface. The arc-shaped surface increases the contact area between the limiting block 6 and the inner wall of the hole, thereby effectively limiting the cutting head 2.

[0032] In the embodiments, such as Figure 1 , Figure 2 As shown, the end of the support block 3 away from the tool holder 1 has a chamfer 10. The chamfered support block 3 facilitates its insertion into the hole of the workpiece.

[0033] In the embodiments, such as Figure 1 , Figure 4 As shown, the tool holder 1 is equipped with a cooling pipe 11, and the outlet of the cooling pipe 11 corresponds to the tool head 2. The coolant sprayed from the cooling pipe 11 cools the tool head 2, reduces the cutting temperature, and extends the service life of the tool head 2.

[0034] Obviously, the above embodiments of this utility model are merely illustrative examples and not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, these obvious variations or modifications derived from the essential spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A deep hole groove machining device, comprising a tool bar (1) on which a tool head (2) is mounted, characterized in that, Also includes: A support block (3) is provided at the end of the tool holder (1), and the size of the support block (3) matches the hole size of the workpiece; The first guide groove (4) is set on one side of the support block (3) or the tool bar (1), and the first guide groove (4) is set parallel to the tool head (2); The first protrusion (5) is located on one side of the tool holder (1) or the support block (3) and is used to cooperate with the first guide groove (4).

2. The deep hole grooving apparatus of claim 1 wherein: The first guide groove (4) is a dovetail groove.

3. The apparatus of claim 1 wherein: A limiting block (6) is also installed at one end of the tool bar (1). The first guide groove (4) is set on the support block (3). The first protrusion (5) is set on the limiting block (6). Waist holes (7) are provided on both sides of the limiting block (6). Bolts pass through the waist holes (7) and connect to the tool bar (1).

4. The apparatus of claim 3 wherein: The tool bar (1) is provided with a second guide groove (8) on the side near the limiting block (6), and the limiting block (6) is provided with a second protrusion (9) for cooperating with the second guide groove (8).

5. The deep hole trenching apparatus as described in claim 3, characterized in that: The side of the limiting block (6) closest to the cutter head (2) is an arc-shaped surface.

6. The deep hole trenching apparatus as described in claim 1, characterized in that: The support block (3) has a chamfer (10) at the end away from the tool holder (1).

7. The deep hole trenching apparatus as described in claim 1, characterized in that: The cutter bar (1) is equipped with a cooling pipe (11), and the outlet of the cooling pipe (11) corresponds to the cutter head (2).

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