Lathe and lathe production changing connecting device thereof

Abstract

The utility model discloses a lathe production changing connecting device which comprises a device body, a workbench positioning groove is formed in the top of the device body, a plurality of workbench counterbores are formed in the workbench positioning groove, openings of the workbench counterbores are located in the bottom face of the workbench positioning groove, and the circle centers of the first counterbores are located on the same circle. A clamp positioning boss and a plurality of second counterbores are arranged at the bottom of the device body, the second counterbores are located on the outer side of the clamp positioning boss, openings of the second counterbores are located on the bottom face of the device body, and the circle centers of the second counterbores are located on the same circle. The utility model discloses a lathe. The connecting device is used for connecting various clamps and machine tool workbenches, can realize quick production change of the lathe, shortens the machining time of workpieces, and improves the machining efficiency of the lathe.

Description

Technical Field

[0001] The utility model relates to a lathe processing technical equipment, in particular to a lathe and a lathe production changing connection device thereof. Background Art

[0002] Modern lathe machining is characterized by high variety, small batches, and high quality. Therefore, implementing rapid production changeovers and shortening changeover times are crucial for improving production efficiency and reducing inventory.

[0003] Taking the TV-10 vertical lathe as an example, general and special fixtures such as center shafts, chucks, and tooling are used in production. However, due to the different connection structures between different fixtures and the workbench, the changeover time is increased. How to shorten the processing time of the two products before and after is of great significance.

[0004] By adopting the principle of fixed reference, a device is designed and manufactured to connect various fixtures and machine tool workbenches. The interface dimensions of this device are standardized to achieve rapid production change. Utility Model Content

[0005] The purpose of the utility model is to provide a lathe and a lathe production change connection device thereof, which serves as a connecting intermediate between a fixture and a machine tool, is used to connect various fixtures and a machine tool workbench, can realize rapid production change of the lathe, shorten the workpiece processing time, and improve the lathe processing efficiency.

[0006] In order to achieve the above-mentioned purpose, the technical solution used in this utility model is:

[0007] A lathe production change connection device includes: a device body, a workbench positioning groove is provided on the top of the device body, the workbench positioning groove is provided with multiple workbench countersunk holes, the openings of the workbench countersunk holes are located on the bottom surface of the workbench positioning groove, and the centers of the multiple first countersunk holes are located on the same circle; a fixture positioning boss and multiple second countersunk holes are provided at the bottom of the device body, the second countersunk holes are located outside the fixture positioning boss, the openings of the second countersunk holes are located on the bottom surface of the device body, and the centers of the multiple second countersunk holes are located on the same circle.

[0008] Furthermore, a sealing groove is provided on the side wall of the fixture positioning boss.

[0009] Furthermore, the device body, the workbench positioning groove, and the fixture positioning boss are all cylindrical in shape.

[0010] Furthermore, the first countersunk hole is provided with a fixture connecting screw, and the second countersunk hole is provided with a workbench connecting screw.

[0011] Furthermore, the fixture connecting screws are M16 screws, the workbench connecting screws are M12 screws, four first countersunk holes are provided at the workbench positioning groove, and six second countersunk holes are provided at the bottom of the device body.

[0012] A lathe comprises: a lathe worktable and a fixture, the lathe worktable being provided with a worktable boss, the worktable boss being provided with a worktable threaded hole, the worktable boss being installed in a worktable positioning groove, and the worktable connecting screw being connected to the worktable threaded hole through a second countersunk hole; the fixture being provided with a fixture positioning groove, the fixture positioning groove being provided with a fixture threaded hole, the fixture positioning boss being installed in the fixture positioning groove, and the fixture connecting screw being connected to the fixture threaded hole through a first countersunk hole.

[0013] Preferably, the shape of the workbench boss is adapted to the shape of the workbench positioning groove, and the shape of the workbench threaded hole is adapted to the shape of the second countersunk hole and the workbench connecting screw; the shape of the fixture positioning groove is adapted to the shape of the fixture positioning boss, and the shape of the fixture threaded hole is adapted to the shape of the first countersunk hole and the fixture connecting screw.

[0014] The technical effects of this utility model include:

[0015] The lathe production change connection device of the utility model adopts the principle of fixed reference as a connection intermediate between the fixture and the machine tool, and is used to connect various fixtures and the machine tool workbench. The interface size of the lathe production change connection device is standardized, which can realize rapid production change of the lathe, shorten the workpiece processing time, and improve the lathe processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of the lathe production change connection device in the utility model;

[0017] Figure 2 This is a schematic diagram of the top structure of the lathe production change connection device in the utility model;

[0018] Figure 3 yes Figure 2 Horizontal cross-section. DETAILED DESCRIPTION

[0019] The following description sufficiently illustrates specific embodiments of the present invention to enable those skilled in the art to practice and reproduce the same.

[0020] like Figure 1 As shown, it is a structural diagram of the lathe production change connection device in the utility model; Figure 2 As shown, it is a schematic diagram of the top structure of the lathe production change connection device in the utility model; Figure 3 As shown, Figure 2 Horizontal cross-section.

[0021] The lathe production change connection device includes: a device body 1, a workbench positioning groove 2 is provided on the top of the device body 1, and the workbench positioning groove 2 is provided with multiple workbench countersunk holes 21. The openings of the workbench countersunk holes 21 are located on the bottom surface of the workbench positioning groove 2, and the centers of the multiple first countersunk holes 21 are located on the same circle; a fixture positioning boss 3 and multiple second countersunk holes 31 are provided at the bottom of the device body 1, the second countersunk holes 31 are located outside the fixture positioning boss 3, and the openings of the second countersunk holes 31 are located on the bottom surface of the device body 1, and the centers of the multiple second countersunk holes 31 are located on the same circle.

[0022] The workbench positioning groove 2 is provided with four first countersunk holes 21, which are equipped with M16 fixture connection screws (outer diameter 16mm). The bottom of the device body 1 is provided with six second countersunk holes 31, which are equipped with M12 fixture connection screws (outer diameter 12mm).

[0023] In order to prevent cutting fluid from entering the machine tool spindle encoder, a sealing groove 32 is provided on the side wall of the fixture positioning boss 3. The device body 1, the workbench positioning groove 2, and the fixture positioning boss 3 are cylindrical in shape.

[0024] The lathe production change connection device positions various fixtures through the fixture positioning boss 3 and positions the lathe workbench through the workbench positioning groove 2. At the same time, the sealing groove 32 can also prevent cutting fluid from entering the machine tool spindle encoder, thereby protecting the machine tool spindle encoder.

[0025] To connect the lathe production change connection device to the lathe worktable, a datum is set on the lathe worktable. This datum does not change due to fixture replacement. The machine tool worktable is equipped with a worktable boss with six worktable threaded holes. The shape of the worktable boss corresponds to the worktable positioning groove 2, and the shape of the worktable threaded holes corresponds to the second countersunk hole 31 and the worktable connecting screw. The worktable boss is installed in the worktable positioning groove 2, and the worktable connecting screw passes through the second countersunk hole 31 and connects to the worktable threaded hole. The lathe production change connection device and the worktable are connected through the interaction of the worktable positioning groove 2, the worktable connecting screw, the worktable boss, and the worktable threaded holes.

[0026] A reference is set on various fixtures, such as chucks, center shafts, and tooling. This reference does not change when the fixture is replaced. To connect the lathe production change connection device to the fixture, the fixture is provided with a fixture positioning groove. The shape of the fixture positioning groove corresponds to the fixture positioning boss 3. The fixture positioning groove is provided with four fixture threaded holes. The shapes of the fixture threaded holes correspond to the first countersunk hole 21 and the fixture connection screw. The fixture positioning boss 3 is installed in the fixture positioning groove, and the fixture connection screw passes through the first countersunk hole 21 to connect with the fixture threaded hole. The lathe production change connection device and the fixture are connected through the coordination of the fixture positioning boss 3, the first countersunk hole 21, the fixture connection screw, the fixture positioning groove, and the fixture threaded holes.

[0027] The terms used in this utility model are illustrative and exemplary, rather than restrictive. Since this utility model can be embodied in various forms without departing from the spirit or essence of the technical solution, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope of the appended claims. Therefore, all changes and modifications that fall within the scope of the claims or their equivalents are intended to be covered by the appended claims.

Claims

1. A lathe production change connection device, characterized in that: include: The device body is provided with a workbench positioning groove on the top of the device body, and the workbench positioning groove is provided with multiple workbench countersunk holes. The openings of the workbench countersunk holes are located on the bottom surface of the workbench positioning groove, and the centers of the multiple first countersunk holes are located on the same circle; the bottom of the device body is provided with a fixture positioning boss and multiple second countersunk holes, the second countersunk holes are located on the outside of the fixture positioning boss, and the openings of the second countersunk holes are located on the bottom surface of the device body, and the centers of the multiple second countersunk holes are located on the same circle.

2. The lathe production change connection device according to claim 1, characterized in that: The side wall of the fixture positioning boss is provided with a sealing groove.

3. The lathe production change connection device according to claim 1, characterized in that: The shapes of the device body, the workbench positioning groove and the fixture positioning boss are all cylindrical.

4. The lathe production change connection device according to claim 1, characterized in that: The first countersunk hole is provided with a fixture connecting screw, and the second countersunk hole is provided with a workbench connecting screw.

5. The lathe production change connection device according to claim 4, characterized in that: The fixture connecting screws are M16 screws, the workbench connecting screws are M12 screws, four first countersunk holes are set at the workbench positioning groove, and six second countersunk holes are set at the bottom of the device body.

6. A lathe using the lathe production change connection device according to any one of claims 1 to 5, comprising: The lathe worktable and fixture are characterized in that the lathe worktable is provided with a worktable boss, the worktable boss is provided with a worktable threaded hole, the worktable boss is installed in the worktable positioning groove, and the worktable connecting screw passes through the second countersunk hole and is connected to the worktable threaded hole; the fixture is provided with a fixture positioning groove, the fixture positioning groove is provided with a fixture threaded hole, the fixture positioning boss is installed in the fixture positioning groove, and the fixture connecting screw passes through the first countersunk hole and is connected to the fixture threaded hole.

7. The lathe according to claim 6, wherein: The shape of the workbench boss is adapted to the shape of the workbench positioning groove, and the shape of the workbench threaded hole is adapted to the shape of the second countersunk hole and the workbench connecting screw; the shape of the fixture positioning groove is adapted to the shape of the fixture positioning boss, and the shape of the fixture threaded hole is adapted to the shape of the first countersunk hole and the fixture connecting screw.

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