CN203917990U - A kind of internal lathe-tool clamping device - Google Patents

Abstract

The utility model discloses a clamping device for an inner hole turning tool, which comprises a body, a clamping body, a cutter bar and a cooling device. The front part of the body is cylindrical, and a through hole A is arranged in the middle of the cylinder. There is a clamping part, and a through hole B and a through hole C perpendicular to each other are arranged in the clamping part. The clamp body includes a cylindrical surface A and a cylindrical surface B. A polygonal through hole is provided in the middle of the clamp body, and a polygonal through hole is provided on the rear side. Long keyway, the cylindrical surface A fits with the left side of the body, the cylindrical surface B cooperates with the through hole, the cutter bar is installed in the polygonal through hole, the long keyway and the through hole C communicates, the right side of the clamp body is provided with a stepped through hole and a threaded hole, the threaded hole communicates with the long keyway, and a concave spherical surface is provided in the stepped through hole. The structure is simple, clamping and installation, and the direction of coolant injection can be adjusted, which is not only beneficial to chip removal, but also ensures sufficient cooling of the inner hole turning tool, which is beneficial to prolonging the service life of the tool and ensuring the processing quality.

Description

A clamping device for inner hole turning tool

technical field

The utility model belongs to the technical field of mechanical equipment and relates to an inner hole turning tool clamping device with a cooling function.

Background technique

In machining, the inner hole is one of the common structures of the workpiece. When turning inner holes on ordinary lathes or CNC lathes, because the tool penetrates into the inner hole of the workpiece, chip removal is difficult, and tool cooling is difficult, which not only affects the machined surface quality of the inner hole, but also directly affects the service life of the tool.

Utility model content

In order to make up for the above shortcomings, the utility model provides an inner hole turning tool clamping device with a cooling function.

The above-mentioned technical problems of the utility model are mainly solved by the following technical solutions:

A clamping device for turning tools with inner holes, including a body, a clamp body, a tool bar and a cooling device. The front part of the body is cylindrical, a through hole A is provided in the middle of the cylinder, and a clamping part is provided at the rear of the body. A through hole B and a through hole C that intersect perpendicularly to each other are provided in the clamping part. The clamp body includes a cylindrical surface A and a cylindrical surface B. A polygonal through hole is provided in the middle of the clamp body, and a long keyway is provided on the rear side. The cylindrical surface A is attached to the left side of the body, the cylindrical surface B is matched with the through hole, the cutter bar is installed in the polygonal through hole, and the long keyway communicates with the through hole C.

As a preferred technical solution, the right side of the clamp body is provided with a stepped through hole and a threaded hole, the threaded hole communicates with the long keyway, and the stepped through hole includes hole A, hole B and a concave spherical surface connecting hole A and hole B.

As a preferred technical solution, the cooling device includes a ball valve and screws. A hole C is provided in the middle of the ball valve. The hole C communicates with the hole B and the long keyway. The ball valve is installed in the hole A and is in contact with the concave spherical surface. The above screw is used for the positioning of the ball valve.

As a preferred technical solution, the diameter of the concave spherical surface is equal to the diameter of the ball valve.

As a preferred technical solution, a rectangular clamping portion is provided on the rear side of the body.

As a preferred technical solution, the tool rod and the clamp body are fixed with hexagon socket head cap screws.

As a preferred technical solution, the clamp body and the body are fixed with hexagon socket head screws.

As a preferred technical solution, a thread is provided at the rear of the through hole C for installing a screw plug.

The utility model has the advantages of simple structure, clamping installation, and adjustable coolant injection direction, which not only facilitates chip removal, but also ensures sufficient cooling of the inner hole turning tool, which is beneficial to prolonging the service life of the tool. Ensure processing quality.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the three-dimensional structure schematic diagram of the inner hole turning tool clamping device of the present utility model;

Fig. 2 is the disassembled schematic view of the inner hole turning tool clamping device of the present invention;

Fig. 3 is the front view of the inner hole turning tool clamping device of the present invention;

Fig. 4 is a full sectional view of A-A of the inner hole turning tool clamping device of the present invention;

Fig. 5 is a partially enlarged sectional view of the cylindrical surface A of the inner hole turning tool clamping device of the present invention;

Fig. 6 is a partially enlarged sectional view at I place in Fig. 4;

in,

1. Body; 2. Clamp body; 3. Cutter rod; 4. Clamping part; 5. Through hole A; 6. Cylindrical surface A; 7. Cylindrical surface B; 8. Polygonal through hole; 9. Through hole B; 10. Through hole C; 11. Screw plug; 12. Long keyway; 13. Step through hole; 14. Threaded hole; 15. Hole A; 16. Hole B; 17. Concave spherical surface; 18. Ball valve; 19. Screw; 20. Hole C.

Detailed ways

The preferred embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, so as to make a clearer definition of the protection scope of the utility model.

The utility model provides a clamping device for an inner hole turning tool.

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a clamping device for an inner hole turning tool includes a body 1, a clamp body 2, a tool bar 3 and a cooling device, the body 1 The front part is cylindrical, and a through hole A5 is provided in the middle of the cylinder. A clamping part 4 is provided at the rear of the body, and a through hole B9 and a through hole C10 perpendicularly intersecting each other are provided in the clamping part 4. The clamping body 2 Including a cylindrical surface A6 and a cylindrical surface B7, a polygonal through hole 8 is provided in the middle of the clamp body 2, and a long keyway 12 is provided on the rear side, the cylindrical surface A6 is attached to the left side of the body 1, and the The cylindrical surface B7 cooperates with the through hole 5, the cutter bar 3 is installed in the polygonal through hole 8, and the long keyway 12 communicates with the through hole C10.

As a preferred embodiment of the present utility model, the right side of the clamp body 2 is provided with a stepped through hole 13 and a threaded hole 14, the threaded hole 14 communicates with the long keyway 12, and the stepped through hole 13 includes hole A15, hole B16 and The concave spherical surface 17 connecting the hole A15 and the hole B16.

As a preferred embodiment of the present invention, the cooling device includes a ball valve 18 and a screw 19. A hole C20 is provided in the middle of the ball valve 18. The hole C20 communicates with the hole B16 and the long keyway 12. The ball valve 18 is installed in the hole A15. The screw 19 is used for positioning the ball valve 18 and is in contact with the concave spherical surface 17 for adjusting the direction of coolant injection.

As a preferred embodiment of the present invention, the diameter of the concave spherical surface 17 is equal to the diameter of the ball valve 18 .

As a preferred embodiment of the present invention, a rectangular clamping portion 4 is provided on the rear side of the body 1 .

As a preferred embodiment of the present invention, the tool bar 3 and the clamp body 2 are fixed with hexagon socket head cap screws.

As a preferred embodiment of the present invention, the clamp body 2 and the body 1 are fixed with hexagon socket head screws.

As a preferred embodiment of the present invention, a thread is provided at the rear of the through hole C10 for installing the screw plug 11 .

The design concept of the utility model is described above with only one implementation mode. If the system allows, the utility model can be expanded to connect more functional modules at the same time, so as to expand its functions to the maximum extent.

The above is only a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any change or replacement that is not thought of through creative work should be covered within the scope of protection of the utility model . Therefore, the protection scope of the present utility model should be determined by the protection scope defined in the claims.

Claims (8)

1. The utility model provides an inner bore lathe tool clamping device which characterized in that: including body (1), the anchor clamps body (2), cutter arbor (3) and cooling device, body (1) front portion is cylindrically, and the cylinder middle part is provided with a through-hole A (5), the body rear portion is provided with clamping part (4), is provided with the crossing through-hole B (9) of mutually perpendicular and through-hole C (10) in clamping part (4), the anchor clamps body (2) are including face A (6), face B (7) of cylinder, the anchor clamps body (2) middle part is provided with a polygon through-hole (8), and the rear side is provided with a long keyway (12), face A (6) of cylinder with the left surface laminating of body (1), face B (7) of cylinder and through-hole A (5) cooperation, installation in polygon through-hole (8) cutter arbor (3), long keyway (12) with through-hole C (10) communicate with each other.

2. The internal turning tool clamping device of claim 1, wherein: the right side of the clamp body (2) is provided with a step through hole (13) and a threaded hole (14), the threaded hole (14) is communicated with the long key groove (12), and the step through hole (13) comprises a hole A (15), a hole B (16), a concave spherical surface (17) of the connecting hole A (15) and the hole B (16).

3. The internal turning tool clamping device of claim 2, wherein: the cooling device comprises a ball valve (18) and a screw (19), a hole C (20) is formed in the middle of the ball valve (18), the hole C (20) is communicated with a hole B (16) and the long key groove (12), the ball valve (18) is installed in a hole A (15) and is in contact with the concave spherical surface (17), and the screw (19) is used for positioning the ball valve (18).

4. The internal turning tool clamping device of claim 3, wherein: the diameter of the concave spherical surface (17) is equal to that of the ball valve (18).

5. The internal turning tool clamping device of claim 1, wherein: the rear side of the body (1) is provided with a rectangular clamping part (4).

6. The internal turning tool clamping device of claim 1, wherein: the cutter bar (3) and the clamp body (2) are fixed by an inner hexagon screw.

7. The internal turning tool clamping device of claim 1, wherein: the fixture body (2) and the body (1) are fixed by using inner hexagon screws.

8. The internal turning tool clamping device of claim 1, wherein: the rear part of the through hole C (10) is provided with threads for installing a plug (11).