Fixture for numerical control lathe

Abstract

The utility model belongs to the technical field of numerical control lathe fixtures, and particularly relates to a numerical control lathe fixture which comprises a positioning plate, positioning holes are formed in the top end of the positioning plate at equal intervals, a plurality of T-shaped bottom plates are installed at the top end of the positioning plate, and positioning clamping columns are arranged in the middles of the bottom ends of the T-shaped bottom plates and on one side of the bottom end of each T-shaped bottom plate. Limiting screw holes are symmetrically formed in the other side of the bottom end of the T-shaped bottom plate, and limiting screw rods are installed in the limiting screw holes. The use angle of a bending clamping plate can be adjusted by using an electric hydraulic push rod, the bending clamping plate can make contact with a machined part by installing a plurality of T-shaped bottom plates on an upper positioning plate and using the electric hydraulic push rod, limiting clamping of the machined part is achieved, and after the machined part is machined, a user restarts the electric hydraulic push rod, so that the bent part is bent. And the bending clamping plate can be separated from the machined part, so that the clamping and taking-out difficulty of the machined part can be reduced, and subsequent use of the numerical control lathe clamp is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of CNC lathe clamps, and in particular relates to a clamp for a CNC lathe. Background Art

[0002] CNC lathe is one of the most widely used CNC machine tools. It is mainly used for cutting and processing of inner and outer cylindrical surfaces of shaft parts or disk parts, inner and outer conical surfaces of arbitrary taper angles, complex rotating inner and outer curved surfaces, and cylindrical and conical threads, and can also perform grooving, drilling, reaming, reaming and boring, etc. On CNC lathes, there are generally fixtures to clamp the workpiece to be processed. The existing fixtures can only adapt to a limited size of workpieces, which is not convenient for clamping workpieces of various sizes.

[0003] The Chinese invention patent with publication number CN217493486U discloses a fixture for a CNC lathe, which has the beneficial effect that the fixture as a whole is composed of a fixture plate, an inclined plate and a chuck, the fixture plate is fixedly connected to the positioning plate by screws and positioning holes, the positioning plate is fixedly installed on the lathe, a plurality of positioning holes are opened on the positioning plate, and the plurality of positioning holes are arranged linearly, so that the fixture plate can be deployed at any positioning hole of the positioning plate, so as to be installed at different positions of the positioning plate, and two are symmetrically arranged, so as to adapt to workpieces of different sizes, and the size range of the workpieces that can be clamped is large. , with strong adaptability and versatility. When clamping, use a wrench to rotate the hexagon socket bolt, which is threadedly connected to the inclined plate, so that the swivel rotates to drive the chuck to move obliquely downward, and the chucks on both sides of the workpiece are operated in this way, thereby clamping both sides of the workpiece, thereby achieving the purpose of clamping; the fixture for the CNC lathe, the fixture structure is not fixed, and it is easy to disassemble. The fixture plate is fixedly connected to the positioning plate through screws and positioning holes. By unscrewing the screws, the entire fixture can be disassembled, so that the fixture is easy to disassemble, and it is easy to replace and maintain the worn fixture, clean the positioning plate, etc.;

[0004] When the clamp is used, there are many steps to clamp the workpiece, which is cumbersome and inconvenient. After the workpiece is clamped and fixed, it is difficult to quickly remove the workpiece after processing, which is not conducive to the subsequent rapid use of the workpiece. Utility Model Content

[0005] In order to solve the above problems existing in the prior art, the utility model provides a clamp for a CNC lathe, which has the characteristics of reducing the difficulty of clamping and removing a workpiece.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixture for a CNC lathe, comprising a positioning plate, the top of the positioning plate is provided with positioning holes at equal intervals, a plurality of T-shaped bottom plates are installed on the top of the positioning plate, the middle of the bottom of the T-shaped bottom plate and one side of the bottom of the T-shaped bottom plate are both provided with positioning clamping columns, the other side of the bottom of the T-shaped bottom plate is symmetrically provided with limited screw holes, and limited screw rods are installed inside the limited screw holes;

[0007] A No. 1 connecting frame is welded on one side of the top end of the T-shaped base plate between two limiting screw holes, a bending clamp is movably installed on one side of the outer side of the T-shaped base plate, a No. 2 connecting frame is welded on the top of one side of the bending clamp, and an electric hydraulic push rod is movably installed between the No. 1 connecting frame and the No. 2 connecting frame.

[0008] As an optimal technical solution for a fixture for a CNC lathe of the utility model, the positioning column and the positioning hole are adapted to each other, the inner diameter of the limiting screw hole is the same as the inner diameter of the positioning hole, and one end of the limiting screw is located inside the positioning hole.

[0009] As an optimal technical solution for a clamp for a CNC lathe of the utility model, a No. 1 clamping hole is provided on the edge of the No. 1 connecting frame and the edge of the No. 2 connecting frame.

[0010] As an optimal technical solution for a clamp for a CNC lathe of the utility model, a connecting clamp is welded to the output end and the bottom end of the electric hydraulic push rod, and a second clamp hole is opened at the edge of one end of the connecting clamp.

[0011] As an optimal technical solution for a clamp for a CNC lathe of the utility model, the connecting clamp plate welded at the output end of the electric hydraulic push rod is located inside the No. 2 connecting frame, the connecting clamp plate welded at the bottom end of the electric hydraulic push rod is located inside the No. 1 connecting frame, the inner diameter of the No. 1 clamping hole is the same as the inner diameter of the No. 2 clamping hole, and connecting bolts penetrate the No. 1 clamping hole and the adjacent No. 2 clamping hole.

[0012] As an optimal technical solution for a clamp for a CNC lathe of the utility model, a clamping groove is provided at the bottom of the bending clamp plate, and the clamping groove is matched with the protrusion of the T-shaped bottom plate. A No. 1 connecting hole is provided on one end edge of the T-shaped bottom plate, and No. 2 connecting holes are provided on both end edges of the inner wall of the clamping groove, and connecting rotating rods are passed through the No. 1 connecting hole and the No. 2 connecting hole.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] When the utility model is in use, the use angle of the bending clamp can be adjusted by using an electric hydraulic push rod. By installing multiple T-shaped base plates on the positioning plate and using the electric hydraulic push rod, the bending clamp can be brought into contact with the workpiece to achieve limited clamping of the workpiece. After the workpiece is processed, the user restarts the electric hydraulic push rod to allow the bending clamp to break away from contact with the workpiece, thereby reducing the difficulty of clamping and removing the workpiece and facilitating the subsequent use of the CNC lathe fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the installation structure of the electric hydraulic push rod of the utility model;

[0018] Figure 3 This is a bottom view of the T-shaped bottom plate of the utility model;

[0019] Figure 4 It is an exploded view of the installation of the bending splint of the utility model.

[0020] In the figure: 1. positioning plate; 2. positioning hole; 3. T-shaped bottom plate; 4. positioning clamping column; 5. limiting screw hole; 6. limiting screw; 7. No. 1 connecting frame; 8. bending clamping plate; 9. No. 2 connecting frame; 10. electric hydraulic push rod; 11. No. 1 clamping hole; 12. connecting clamping plate; 13. No. 2 clamping hole; 14. connecting bolt; 15. clamping groove; 16. No. 1 connecting hole; 17. No. 2 connecting hole; 18. connecting rotating rod. DETAILED DESCRIPTION

[0021] 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. Example

[0022] See also Figures 1 to 4The utility model provides the following technical solutions: a fixture for a CNC lathe, comprising a positioning plate 1, a positioning hole 2 is equidistantly provided on the top of the positioning plate 1, a plurality of T-shaped bottom plates 3 are installed on the top of the positioning plate 1, a positioning column 4 is provided at the middle of the bottom end of the T-shaped bottom plate 3 and one side edge of the bottom end of the T-shaped bottom plate 3, the positioning column 4 and the positioning hole 2 are adapted to each other, and the installation of the T-shaped bottom plate 3 can be positioned, and a limiting screw hole 5 is symmetrically provided on the other side of the bottom end of the T-shaped bottom plate 3, and a limiting screw rod 6 is installed inside the limiting screw hole 5, and the inner diameter of the limiting screw hole 5 is the same as the inner diameter of the positioning hole 2, and one end of the limiting screw rod 6 is located inside the positioning hole 2, and the installation of the T-shaped bottom plate 3 can be fixed, which is convenient for the installation and use of the T-shaped bottom plate 3;

[0023] A No. 1 connecting frame 7 is welded between the two limiting screw holes 5 on one side of the top of the T-shaped bottom plate 3, a No. 1 connecting hole 16 is provided on one end edge of the T-shaped bottom plate 3, a bending clamp 8 is movably installed on one side of the outside of the T-shaped bottom plate 3, a clamping groove 15 is provided at the bottom of the bending clamp 8, the clamping groove 15 is adapted to the protruding portion of the T-shaped bottom plate 3, and No. 2 connecting holes 17 are provided on the edges of both ends of the inner wall of the clamping groove 15, and a connecting rotating rod 18 runs through the inside of the No. 1 connecting hole 16 and the inside of the No. 2 connecting hole 17, which is convenient for the installation and use of the bending clamp 8, a No. 2 connecting frame 9 is welded on the top of one side of the bending clamp 8, a No. 1 clamping hole 11 is provided on the edge of the No. 1 connecting frame 7 and the No. 2 connecting frame 9, and an electric hydraulic Push rod 10, the output end of the electric hydraulic push rod 10 and the bottom end of the electric hydraulic push rod 10 are welded with a connecting card 12, and a second card hole 13 is opened on the edge of one end of the connecting card 12. The connecting card 12 welded at the output end of the electric hydraulic push rod 10 is located inside the No. 2 connecting frame 9, and the connecting card 12 welded at the bottom end of the electric hydraulic push rod 10 is located inside the No. 1 connecting frame 7. The inner diameter of the No. 1 card hole 11 is the same as the inner diameter of the No. 2 card hole 13. The No. 1 card hole 11 and the adjacent No. 2 card hole 13 are penetrated by connecting bolts 14 to facilitate the installation and use of the electric hydraulic push rod 10. The electric hydraulic push rod 10 is a conventional technical solution and will not be described in detail here. The input end of the electric hydraulic push rod 10 is electrically connected to the output end of the external control power supply through the corresponding control switch.

[0024] The working principle and use process of the utility model are as follows: the user installs a plurality of T-shaped bottom plates 3 on the positioning plate 1 (the number of the T-shaped bottom plates 3 is determined according to the shape of the workpiece to be clamped). After the T-shaped bottom plates 3 are installed, the user starts the electric hydraulic push rod 10, and the electric hydraulic push rod 10 works to push the bending clamping plate 8 to move. When the bending clamping plates 8 of the plurality of T-shaped bottom plates 3 contact the workpiece, the bending clamping plate 8 can be squeezed and limited to achieve clamping of the workpiece;

[0025] After the workpiece is processed, the user restarts the electric hydraulic push rod 10 to make the bending clamp 8 break away from the contact with the workpiece, thereby reducing the difficulty of removing the workpiece and facilitating the subsequent use of the clamp.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fixture for a CNC lathe, comprising a positioning plate (1), characterized in that: The top of the positioning plate (1) is provided with positioning holes (2) at equal intervals, a plurality of T-shaped bottom plates (3) are installed on the top of the positioning plate (1), a positioning clamping column (4) is provided at the middle of the bottom of the T-shaped bottom plate (3) and at one side of the bottom of the T-shaped bottom plate (3), and a limiting screw hole (5) is symmetrically provided on the other side of the bottom of the T-shaped bottom plate (3), and a limiting screw rod (6) is installed inside the limiting screw hole (5); A first connecting frame (7) is welded between two limiting screw holes (5) at one side of the top end of the T-shaped bottom plate (3), a bending clamp (8) is movably mounted on one side of the outside of the T-shaped bottom plate (3), a second connecting frame (9) is welded on the top of one side of the bending clamp (8), and an electric hydraulic push rod (10) is movably mounted between the first connecting frame (7) and the second connecting frame (9).

2. A fixture for a CNC lathe according to claim 1, characterized in that: The positioning clamp column (4) and the positioning hole (2) are adapted to each other, the inner diameter of the limiting screw hole (5) is the same as the inner diameter of the positioning hole (2), and one end of the limiting screw rod (6) is located inside the positioning hole (2).

3. The fixture for a CNC lathe according to claim 1, characterized in that: The edge of the No. 1 connecting frame (7) and the edge of the No. 2 connecting frame (9) are both provided with a No. 1 clamping hole (11).

4. The fixture for a CNC lathe according to claim 3, characterized in that: A connecting clamping plate (12) is welded to the output end of the electric hydraulic push rod (10) and the bottom end of the electric hydraulic push rod (10), and a second clamping hole (13) is provided at one end edge of the connecting clamping plate (12).

5. The fixture for a CNC lathe according to claim 4, characterized in that: The connecting clamp (12) welded to the output end of the electric hydraulic push rod (10) is located inside the No. 2 connecting frame (9), and the connecting clamp (12) welded to the bottom end of the electric hydraulic push rod (10) is located inside the No. 1 connecting frame (7). The inner diameter of the No. 1 clamp hole (11) is the same as the inner diameter of the No. 2 clamp hole (13). The No. 1 clamp hole (11) and the adjacent No. 2 clamp hole (13) are penetrated by connecting bolts (14).

6. The fixture for a CNC lathe according to claim 1, characterized in that: A clamping groove (15) is provided at the bottom of the bending clamping plate (8), and the clamping groove (15) is matched with the protruding portion of the T-shaped bottom plate (3). A first connecting hole (16) is provided at one end edge of the T-shaped bottom plate (3), and second connecting holes (17) are provided at both end edges of the inner wall of the clamping groove (15). A connecting rotating rod (18) passes through the first connecting hole (16) and the second connecting hole (17).

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