Locking device for tool presetting instrument

Abstract

The utility model discloses a locking device for a tool presetting instrument, which belongs to the technical field of tool presetting instruments and comprises a VDI20 switching main body, an assembly conical seat is arranged at the bottom of the VDI20 switching main body, a diamond-shaped pin is mounted at the top of the VDI20 switching main body, an end joint is connected to the bottom of the assembly conical seat, a safety ring is sleeved on the surface of the end joint, and a locking ring is arranged on the surface of the end joint. The two sides of the VDI20 switching main body are provided with assembling grooves which are installed in cooperation with the ISO50 base. An adjusting groove communicated with the cutter groove is formed in one side of the VDI20 adapter main body, a locking mechanism for fixing the cutter is movably connected into the adjusting groove, and an adjusting screw for controlling the position of a clamp pad is arranged on the outer side of the clamp pad of the locking mechanism; the tool presetting instrument can solve the problems of stability and precision in the tool measuring and adjusting process of an existing tool presetting instrument, it is ensured that a tool with a VDI20 interface can be stably fixed to the presetting instrument, and high-precision measurement and adjustment are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of tool presetters, in particular to a locking device for tool presetters. Background Art

[0002] The tool presetter for CNC machine tools, also known as the tool setting instrument, is a measuring device that can pre-adjust and measure the tool tip diameter and clamping length, and can input tool data into the NC program of the machining center. With the popularization of NC machine tools equipped with multi-tool automatic tool changing devices, the market for high-precision and high-efficiency tool presetters is continuing to expand. Existing tool presetters are mainly used for pre-adjustment of products such as cutting knives, iron knives, and drill bits. For tool presetters, the most important thing must be the accuracy of the machine itself. However, the existing tool presetters have a complex structure during use, which is inconvenient to operate, and the locking effect is poor during the measurement and adjustment of the tool, resulting in stability and accuracy problems. Therefore, we need to propose a locking device for the tool presetter. Utility Model Content

[0003] The purpose of the utility model is to provide a locking device for a tool presetter, mainly to solve the stability and accuracy problems existing in the existing tool presetter during the measurement and adjustment of the tool, to ensure that the tool with the VDI20 interface can be firmly fixed on the presetter, and to achieve high-precision measurement and adjustment, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides: a locking device for a tool presetter, comprising a VDI20 adapter body, a mounting cone seat is arranged at the bottom of the VDI20 adapter body, a diamond-shaped pin is installed at the top of the VDI20 adapter body, an end joint is connected to the bottom of the mounting cone seat, a safety ring is sleeved on the surface of the end joint, and both sides of the VDI20 adapter body are provided with assembly grooves for matching and mounting with an ISO base; an adjustment groove connected to the tool groove is arranged on one side of the VDI20 adapter body, a locking mechanism for fixing the tool is movably connected inside the adjustment groove, an adjustment screw for controlling the position of the clamp pad is arranged on the outer side of the clamp pad of the locking mechanism, and the surface of the adjustment screw is threadedly connected to the inner wall of the adjustment groove.

[0005] Preferably, an assembly hole is formed on the inner wall of the assembly groove, and an assembly screw is threadedly mounted on the inner surface of the assembly hole.

[0006] Preferably, an annular groove is provided on the surface of the end connector, a threaded portion is provided on the inner surface of the safety ring, and the safety ring is threadedly connected to the annular groove via the threaded portion.

[0007] Preferably, the locking mechanism includes: a locking claw connected to the end of the clamp pad, and a guide groove opened at the bottom of the clamp pad; wherein, a mounting hole connected to the adjustment groove is opened at the top of the VDI20 adapter body, and the inner wall of the mounting hole is threadedly connected with a limit screw.

[0008] Preferably, the bottom end of the limit screw passes through the inner wall of the sliding connection guide groove of the mounting hole, and the end of the adjusting screw is connected to a connecting seat.

[0009] Preferably, a connecting end is connected to the surface of the connecting seat, a positioning hole is opened at the end of the clamp pad, and the connecting end is rotatably connected to the inner wall of the positioning hole.

[0010] Preferably, a rolling pin is rotatably mounted on the inner wall of the positioning hole, and the end of the rolling pin is rotatably connected between the connecting end and the connecting seat.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model places the VDI adapter body in the ISO base through the assembly cone seat at the bottom through the matching arrangement of structures such as the VDI adapter body, the assembly cone seat, the safety ring, the adjustment screw and the locking mechanism, and can play a protective role in the assembly process, and is used to protect the ISO base cone surface from being bumped when placed on the ISO base, and fix the assembly groove and the ISO base through the assembly screw, and then the VDI tool can be placed in the tool groove of the VDI adapter body, and the VDI tool clamping direction is determined by the diamond pin. Finally, by operating the adjustment screw to rotate inside the adjustment groove, the guide groove on the top of the clamp pad cooperates with the limit screw, and moves in the adjustment groove toward the tool direction inside the tool groove until the end locking claw is in close contact with the tool and generates sufficient locking force. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the clamp pad of the utility model;

[0016] Figure 4 This is a schematic diagram of the main structure of the VDI20 adapter of the utility model.

[0017] In the figure: 1. VDI20 adapter body; 2. Assembly cone seat; 3. Tool groove; 4. End joint; 5. Annular groove; 6. Safety ring; 7. Threaded part; 8. Assembly groove; 9. Assembly hole; 10. Assembly screw; 11. Diamond pin; 12. Adjustment groove; 13. Clamp pad; 14. Locking claw; 15. Guide groove; 16. Positioning hole; 17. Connection end; 18. Connection seat; 19. Adjustment screw; 20. Rolling pin; 21. Mounting hole; 22. Limit screw. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 The utility model provides: a locking device for a tool presetter, comprising a VDI20 adapter body 1, a mounting cone seat 2 is arranged at the bottom of the VDI20 adapter body 1, a diamond-shaped pin 11 is installed on the top of the VDI20 adapter body 1, an end joint 4 is connected to the bottom of the mounting cone seat 2, a safety ring 6 is sleeved on the surface of the end joint 4, and both sides of the VDI20 adapter body 1 are provided with assembly grooves 8 for matching and installing with an ISO50 base; an adjustment groove 12 connected to the tool groove 3 is arranged on one side of the VDI20 adapter body 1, a locking mechanism for fixing the tool is movably connected inside the adjustment groove 12, an adjusting screw 19 for controlling the position of the clamp pad 13 is arranged on the outer side of the clamp pad 13 of the locking mechanism, and the surface of the adjusting screw 19 is threadedly connected to the inner wall of the adjustment groove 12.

[0020] It is worth mentioning that, through the coordinated arrangement of the VDI20 adapter body 1, the assembly cone seat 2, the safety ring 6, the diamond pin 11, the adjusting screw 19 and the locking mechanism structure, the tool can be conveniently locked and fixed to ensure the stability and accuracy during the measurement and adjustment of the tool, further improving the VDI20 interface tool to be firmly fixed on the presetter and achieve high-precision measurement and adjustment.

[0021] Specifically, the inner wall of the assembly groove 8 is provided with an assembly hole 9, and the inner surface of the assembly hole 9 is threadedly installed with an assembly screw 10. The surface of the end connector 4 is provided with an annular groove 5, and the inner surface of the safety ring 6 is provided with a threaded portion 7, and the safety ring 6 is threadedly connected to the annular groove 5 through the threaded portion 7.

[0022] Furthermore, the assembly groove 8 is a structure for assembly with the ISO50 base, the annular groove 5 is a structure for limiting with the safety ring 6, the assembly screw 10 is a structure for fixing the VDI20 adapter body 1 to the ISO50 base, and the threaded portion 7 is a structure for installing the safety ring 6 on the surface of the end connector 4 to prevent the assembly cone seat 2 from being bumped and damaged when it is placed on the ISO50 base.

[0023] The locking mechanism includes: a locking claw 14 connected to the end of the clamp pad 13, and a guide groove 15 opened at the bottom of the clamp pad 13; wherein, a mounting hole 21 connected to the adjustment groove 12 is opened at the top of the VDI20 adapter body 1, and the inner wall of the mounting hole 21 is threadedly connected with a limit screw 22. The bottom end of the limit screw 22 passes through the mounting hole 21 and is slidably connected to the inner wall of the guide groove 15, and the end of the adjustment screw 19 is connected to the connection seat 18.

[0024] Among them, the shape and size of the locking claw 14 will be designed according to the VDI20 standard to ensure compatibility with the tool and the locking effect; the clamping pad 13 is a locking structure for positioning the tool, the mounting hole 21 is a structure for assembling the limit screw 22, the guide groove 15 is a structure that cooperates with the limit screw 22 to serve as a limit guide, the adjusting screw 19 is a structure for adjusting the position of the clamping pad 13, and the connecting seat 18 is a structure for connecting the connecting end 17.

[0025] The surface of the connection seat 18 is connected with a connection end 17, and a positioning hole 16 is opened at the end of the clamp pad 13. The connection end 17 is rotatably connected to the inner wall of the positioning hole 16. A rolling pin 20 is rotatably installed on the inner wall of the positioning hole 16, and the end of the rolling pin 20 is rotatably connected between the connection end 17 and the connection seat 18.

[0026] In addition, the connecting end 17 is a structure that connects the connecting seat 18 and the clamp pad 13, which is convenient for adjusting the clamp pad 13 when the adjusting screw 19 rotates and moves inside the adjusting groove 12. The positioning hole 16 is a structure that cooperates with the connecting end 17, and the rolling pin 20 is a structure that assembles the connecting end 17 inside the positioning hole 16 and plays a limiting role.

[0027] The VDI20 adapter body 1 is placed in the ISO50 base through the assembly cone seat 2 at the bottom, and can be used in conjunction with the safety ring 6 during the assembly process to protect the ISO50 base cone surface from being bumped when placed on the ISO50 base, and the assembly groove 8 is fixed to the ISO50 base through the assembly screw 10, and then the VDI20 tool can be placed in the tool groove 3 of the VDI20 adapter body 1, and the VDI20 tool clamping direction is determined by the diamond pin 11. Finally, by operating the adjustment screw 19 to rotate inside the adjustment groove 12, the guide groove 15 on the top of the clamp pad 13 cooperates with the limit screw 22, and moves inside the adjustment groove 12 toward the tool direction inside the tool groove 3 until the end locking claw 14 is in close contact with the tool and generates sufficient locking force.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A locking device for a tool presetter, characterized in that: include: A VDI20 adapter body (1), wherein a mounting cone seat (2) is provided at the bottom of the VDI20 adapter body (1), a diamond-shaped pin (11) is installed at the top of the VDI20 adapter body (1), an end connector (4) is connected to the bottom of the mounting cone seat (2), a safety ring (6) is sleeved on the surface of the end connector (4), and mounting grooves (8) for matching with an ISO50 base are provided on both sides of the VDI20 adapter body (1); An adjustment groove (12) communicating with the tool groove (3) is provided on one side of the VDI20 adapter body (1); a locking mechanism for fixing the tool is movably connected inside the adjustment groove (12); an adjustment screw (19) for controlling the position of the clamp pad (13) is provided outside the clamp pad (13) of the locking mechanism; a surface of the adjustment screw (19) is threadedly connected to the inner wall of the adjustment groove (12).

2. A locking device for a tool presetter according to claim 1, characterized in that: An assembly hole (9) is formed on the inner wall of the assembly groove (8), and an assembly screw (10) is threadedly mounted on the inner surface of the assembly hole (9).

3. The locking device for a tool presetter according to claim 1, characterized in that: An annular groove (5) is provided on the surface of the end connector (4), a threaded portion (7) is provided on the inner surface of the safety ring (6), and the safety ring (6) is threadedly connected to the annular groove (5) via the threaded portion (7).

4. The locking device for a tool presetter according to claim 1, characterized in that: The locking mechanism comprises: a locking claw (14) connected to the end of the clamp pad (13), and A guide groove (15) formed at the bottom of the clamp pad (13); The top of the VDI20 adapter body (1) is provided with a mounting hole (21) which is in communication with the adjustment slot (12), and the inner wall of the mounting hole (21) is threadedly connected with a limit screw (22).

5. The locking device for a tool presetter according to claim 4, characterized in that: The bottom end of the limit screw (22) passes through the mounting hole (21) and is slidably connected to the inner wall of the guide groove (15), and the end of the adjustment screw (19) is connected to the connection seat (18).

6. The locking device for a tool presetter according to claim 5, characterized in that: A connection end (17) is connected to the surface of the connection seat (18), a positioning hole (16) is formed at the end of the clamp pad (13), and the connection end (17) is rotatably connected to the inner wall of the positioning hole (16).

7. The locking device for a tool presetter according to claim 6, characterized in that: A rolling pin (20) is rotatably mounted on the inner wall of the positioning hole (16), and an end of the rolling pin (20) is rotatably connected between the connecting end (17) and the connecting seat (18).

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