Clamp structure of numerical control machine tool

Abstract

The utility model relates to the field of mechanical clamps, and discloses a numerical control machine tool clamp structure which comprises a clamping mechanism, a mounting mechanism used for mounting the clamping mechanism and a driving mechanism capable of rotating the clamping mechanism, the clamping mechanism comprises a first sleeve, a second sleeve and a clamping piece, the first sleeve is connected with the output end of the driving mechanism, and the second sleeve is connected with the output end of the clamping piece. The first sleeve is connected with the second sleeve, the second sleeve can rotate around the first sleeve, the first sleeve and the second sleeve are both of a telescopic structure, and the clamping piece is arranged at the telescopic end of the first sleeve and the telescopic end of the second sleeve. The first sleeve and the second sleeve are aligned to the two sides of the angular part respectively, the telescopic rod is driven by the electric push rod to extend or retract so that the telescopic rod can be matched with the angular part in length, and after adjustment is finished, the fixing bolts are tightened to abut against the angular part, so that the two sides of the angular part are fixed, and the clamping stability of the angular part is improved.

Description

Technical Field

[0001] The present application relates to the field of mechanical fixtures, and in particular to a fixture structure for CNC machine tools. Background Art

[0002] A CNC machine tool is an automated machine tool equipped with a program control system, which can operate the machine tool and process parts according to the programmed program. When processing parts, the CNC machine tool needs to be fixed by a fixture. The existing CNC machine tool fixture has a simple structure and can only clamp one end of the part during use. For some angular parts, the existing fixture cannot be adjusted according to the size of the part, and the stability is low when only clamping one end of the workpiece, which is in urgent need of improvement. Therefore, a CNC machine tool fixture structure is proposed. Utility Model Content

[0003] In order to solve the problem that the existing clamp cannot be adjusted according to the size of the part and has low stability when only clamping one end of the workpiece, the present application provides a CNC machine tool clamp structure.

[0004] The present application provides a CNC machine tool fixture structure that adopts the following technical solution:

[0005] A CNC machine tool fixture structure includes a clamping mechanism, an installation mechanism for installing the clamping mechanism, and a driving mechanism of the rotatable clamping mechanism, wherein the clamping mechanism includes a first sleeve, a second sleeve and a clamping piece, the first sleeve is connected to the output end of the driving mechanism, and the second sleeve can rotate around the first sleeve, the first sleeve and the second sleeve are both telescopic structures, and the clamping piece is arranged at the telescopic ends of the first sleeve and the second sleeve.

[0006] Preferably, the mounting mechanism comprises a mounting frame, the mounting frame is arranged as a U-shaped structure, and the bottom of the mounting frame is mounted on the CNC machine tool by arranging a plurality of sets of fixing bolts.

[0007] Preferably, the driving mechanism comprises a motor fixedly mounted on a top plate of the mounting frame, the output shaft of the motor is fixedly connected to a rotating shaft, and the rotating shaft is fixedly connected to the first sleeve, and the output shaft of the motor and the rotating shaft are coaxially arranged.

[0008] Preferably, one end of the second sleeve is fixedly connected with a collar, and the collar is sleeved on the surface of the rotating shaft.

[0009] Preferably, a telescopic rod is inserted into one end of the first sleeve and the second sleeve, and an electric push rod is fixedly connected to the surface of the first sleeve and the second sleeve, and the telescopic end of the electric push rod is connected to the telescopic rod.

[0010] Preferably, the clamping member comprises a bracket mounted on the surface of the telescopic rod, and positioning bolts are inserted on the upper surface of the bracket.

[0011] In summary, this application includes the following beneficial technical effects:

[0012] The utility model can adjust the angle between the first sleeve and the second sleeve according to the angle of the angle part, so that the first sleeve and the second sleeve are respectively aligned with the two sides of the angle part, and the telescopic rod is driven to extend or contract by the electric push rod to match the length of the angle part. After the adjustment is completed, the fixing bolts are tightened to press against the angle part, thereby fixing the two sides of the angle part and improving the stability of the angle part when clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0014] Figure 2 is a schematic structural diagram of a clamping mechanism of an embodiment of the application;

[0015] Figure 3 It is a schematic diagram of the structure of the clamping member of the application embodiment.

[0016] Explanation of the reference numerals: 1. mounting bracket; 2. rotating shaft; 3. motor; 4. fixing bolt; 5. first sleeve; 6. second sleeve; 7. telescopic rod; 8. collar; 9. electric push rod; 10. bracket; 11. positioning bolt. DETAILED DESCRIPTION

[0017] The following is combined with Figure 1-3 This application is described in further detail.

[0018] The embodiment of the present application discloses a CNC machine tool fixture structure, including a clamping mechanism, an installation mechanism for installing the clamping mechanism, and a driving mechanism of a rotatable clamping mechanism, the clamping mechanism includes a first sleeve 5, a second sleeve 6 and a clamping member, the first sleeve 5 is connected to the output end of the driving mechanism, and the second sleeve 6 can rotate around the first sleeve 5, the first sleeve 5 and the second sleeve 6 are both retractable structures, and the clamping member is arranged at the retractable ends of the first sleeve 5 and the second sleeve 6.

[0019] Furthermore, a telescopic rod 7 is inserted into one end of the first sleeve 5 and the second sleeve 6 , and an electric push rod 9 is fixedly connected to the surface of the first sleeve 5 and the second sleeve 6 , and the telescopic end of the electric push rod 9 is connected to the telescopic rod 7 .

[0020] Furthermore, the clamping member includes a bracket 10 installed on the surface of the telescopic rod 7 , and positioning bolts 11 are inserted into the upper surface of the bracket 10 .

[0021] In this embodiment, according to the angle of the angled part, the angle between the first sleeve 5 and the second sleeve 6 is adjusted so that the first sleeve 5 and the second sleeve 6 are respectively aligned with the two sides of the angled part, and the telescopic rod 7 is extended or contracted by the electric push rod 9 to match the length of the angled part. After the adjustment is completed, the fixing bolt 4 is tightened to press against the angled part, thereby fixing the two sides of the angled part and improving the stability of the angled part when clamped.

[0022] Furthermore, the mounting mechanism includes a mounting frame 1 , which is configured as a U-shaped structure, and the bottom of the mounting frame 1 is mounted on a CNC machine tool by providing a plurality of sets of fixing bolts 4 .

[0023] In this embodiment, by providing the fixing bolts 4 and the mounting frame 1, the clamp structure can be disassembled from the machine tool, so that it is convenient to replace other clamp structures.

[0024] Furthermore, the driving mechanism includes a motor 3 fixedly mounted on the top plate of the mounting frame 1, the output shaft of the motor 3 is fixedly connected to the rotating shaft 2, and the rotating shaft 2 is fixedly connected to the first sleeve 5, and the output shaft of the motor 3 and the rotating shaft 2 are coaxially arranged.

[0025] In this embodiment, the rotating shaft 2 and the clamping mechanism can be driven to rotate by driving the motor 3, and the overall angle of the clamping mechanism and the clamped workpiece can be adjusted to cooperate with CNC machine tool processing.

[0026] Furthermore, one end of the second sleeve 6 is fixedly connected with a collar 8 , and the collar 8 is sleeved on the surface of the rotating shaft 2 . By providing the collar 8 , the second sleeve 6 is installed on the rotating shaft 2 , and the second sleeve 6 can rotate around the rotating shaft 2 .

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0028] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0030] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A CNC machine tool fixture structure, characterized in that: The invention comprises a clamping mechanism, a mounting mechanism for mounting the clamping mechanism, and a driving mechanism for rotatably mounting the clamping mechanism. The clamping mechanism comprises a first sleeve (5), a second sleeve (6), and a clamping member. The first sleeve (5) is connected to the output end of the driving mechanism, and the second sleeve (6) can rotate around the first sleeve (5). Both the first sleeve (5) and the second sleeve (6) are telescopic structures, and the clamping member is arranged at the telescopic ends of the first sleeve (5) and the second sleeve (6).

2. A CNC machine tool fixture structure according to claim 1, characterized in that: The mounting mechanism comprises a mounting frame (1), the mounting frame (1) is arranged as a U-shaped structure, and the bottom of the mounting frame (1) is mounted on a numerically controlled machine tool by arranging a plurality of sets of fixing bolts (4).

3. A CNC machine tool fixture structure according to claim 2, characterized in that: The driving mechanism comprises a motor (3) fixedly mounted on a top plate of a mounting frame (1); an output shaft of the motor (3) is fixedly connected to a rotating shaft (2); the rotating shaft (2) is fixedly connected to a first sleeve (5); and the output shaft of the motor (3) and the rotating shaft (2) are both coaxially arranged.

4. A CNC machine tool fixture structure according to claim 1, characterized in that: One end of the second sleeve (6) is fixedly connected to a collar (8), and the collar (8) is sleeved on the surface of the rotating shaft (2).

5. The CNC machine tool fixture structure according to claim 1, characterized in that: A telescopic rod (7) is inserted into one end of each of the first sleeve (5) and the second sleeve (6), and an electric push rod (9) is fixedly connected to the surface of each of the first sleeve (5) and the second sleeve (6), and the telescopic end of the electric push rod (9) is connected to the telescopic rod (7).

6. A CNC machine tool fixture structure according to claim 5, characterized in that: The clamping member comprises a bracket (10) mounted on the surface of the telescopic rod (7), and positioning bolts (11) are inserted into the upper surface of the bracket (10).

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