Punching clamp of numerical control lathe

Abstract

The utility model relates to the technical field of clamps, and discloses a numerical control lathe punching clamp which comprises a numerical control lathe body, and an overturning clamping mechanism is arranged on the top of the numerical control lathe body. According to the numerical control lathe punching clamp, by starting the output end in the extension or contraction period of a second electric push rod, a front side anti-skid clamping plate is driven to move front and back, a workpiece to be punched is conveniently clamped and fixed between the front side anti-skid clamping plate and the rear side anti-skid clamping plate, and then a first electric push rod is started to push a mounting block to the bottommost part; the bottom of the U-shaped frame is just attached to the top face of the numerical control lathe body, at the moment, a workpiece can be punched, when the other face of the workpiece needs to be punched, the U-shaped frame is driven by the first electric push rod to move upwards to the topmost portion, then the U-shaped frame is driven by the servo motor to rotate by 180 degrees, and overturning of the workpiece can be completed; and finally, the U-shaped frame is placed on the top face of the numerical control lathe body through the first electric push rod, and punching machining of the other face of the workpiece is conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a punching clamp for a numerically controlled lathe. Background Art

[0002] CNC lathe is the abbreviation of digital control machine tool. It is an automated machine tool equipped with a program control system. It can perform high-precision processing operations under the control of program code, and can adapt to the flexible production requirements of multiple varieties and small batches. The advantages of CNC lathes are high processing accuracy, high processing efficiency and strong adaptability. At the same time, it can also realize complex processing operations, such as surface processing and thread processing; however, CNC lathes also have some disadvantages, such as high equipment cost, high maintenance cost and high technical level requirements for operators.

[0003] The authorization announcement number is CN 208409198 The utility model patent of U discloses a workpiece clamp for a CNC lathe, which is connected to the CNC lathe through one end of a rotary pull rod and the other end is screwed to a conversion joint. The block of the conversion joint is inserted into the jack, and the second limit hole is aligned with the first limit hole and fixed with a limit piece, and then the corresponding chuck is selected according to the shape of the workpiece and fixedly connected to the connecting block, and the workpiece is placed in the groove of the chuck, and the workpiece is fixed and clamped by a threaded through hole and a screw. The utility model clamps the workpiece by a slot to avoid vibration of the lathe, improve production efficiency and product quality, and the above-mentioned prior art solutions still have the following deficiencies: Generally, in order to avoid the breakage of the tool, when punching a thicker workpiece, it is often necessary to punch holes on both sides of the workpiece. However, the above-mentioned fixture is not convenient for directly flipping the workpiece. The workpiece needs to be loosened first, and then manually flipped and fixed in the fixture again. Not only is the manual labor large, but also the punching efficiency is reduced. Therefore, a CNC lathe punching fixture is proposed to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to provide a CNC lathe punching fixture to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a CNC lathe punching fixture, comprising a CNC lathe body, a flip clamping mechanism is arranged on the top of the CNC lathe body, and an adjustment mechanism is arranged inside the CNC lathe body;

[0006] The flip clamping mechanism includes a mounting frame, a first electric push rod is arranged on the top of the mounting frame, an output end of the first electric push rod is fixedly connected to a mounting block, a side of the mounting block is fixedly connected to a servo motor, an output shaft of the servo motor is fixedly connected to a U-shaped frame, a side of the U-shaped frame is fixedly connected to a second electric push rod, and an anti-slip splint is installed inside the U-shaped frame.

[0007] Preferably, there are two installation frames, which are symmetrically distributed above the CNC lathe body, and the output end of the first electric push rod extends to the inside of the installation frame.

[0008] Preferably, sliders are fixedly connected to the front and rear sides of the mounting block, and sliding grooves matching the moving track of the sliders are provided on the front and rear sides of the inner wall of the mounting frame.

[0009] Through the above technical solution, with the cooperation of the slider and the slide groove, the moving direction and moving track of the installation block are guaranteed.

[0010] Preferably, two anti-slip plywoods are installed inside a single U-shaped frame and are symmetrically distributed front to back, the rear anti-slip plywood is fixedly connected to the rear side of the inner wall of the U-shaped frame, and the output end of the second electric push rod extends to the interior of the U-shaped frame and is fixedly connected to the front anti-slip plywood.

[0011] Preferably, the adjustment mechanism comprises a dual-axis servo motor, the output shaft of the dual-axis servo motor is fixedly connected to a threaded rod, the outer side of the threaded rod is threadedly connected to a threaded block, and the top of the threaded block is fixedly connected to a connecting block.

[0012] Preferably, the dual-axis servo motor is fixedly connected to the inside of the CNC lathe body, and each of the two threaded rods is provided with a section of thread, and the two sections of thread are equal in length and opposite in direction.

[0013] Through the above technical solution, two threads of equal length and opposite directions can make the two thread blocks move relative to or away from each other, so as to facilitate the adjustment of the distance between the two thread blocks.

[0014] Preferably, the front and rear sides of the threaded block are fixedly connected to limit blocks, the interior of the CNC lathe body is provided with a limit groove adapted to the moving trajectory of the limit block, the top of the connecting block is fixedly connected to the bottom of the mounting frame, and the top of the CNC lathe body is provided with a movable through hole adapted to the moving trajectory of the connecting block.

[0015] Through the above technical scheme, under the joint restriction of the limit block and the limit groove, the threaded block is prevented from rotating together with the threaded rod, the moving direction and moving distance of the threaded block are limited, and under the transmission of the connecting block, the spacing between the two threaded blocks can be adjusted to achieve the spacing between the two U-shaped frames, so as to facilitate clamping of workpieces of different sizes.

[0016] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0017] First, the utility model starts the second electric push rod to extend or contract the output end, driving the front anti-skid clamp to move forward and backward, so that the workpiece to be punched is clamped and fixed between the front and rear anti-skid clamps, and then starts the first electric push rod to push the mounting block to the bottom, so that the bottom of the U-shaped frame just fits with the top surface of the CNC lathe body. At this time, the workpiece can be punched. When it is necessary to punch the other side of the workpiece, the U-shaped frame is first driven to move up to the top by the first electric push rod, and then the U-shaped frame is driven to rotate 180 degrees by the servo motor to complete the flipping of the workpiece. Finally, the U-shaped frame is placed on the top surface of the CNC lathe body by the first electric push rod to perform punching on the other side of the workpiece.

[0018] Second, the utility model starts the dual-axis servo motor to drive the two threaded rods to rotate, so that the two threaded blocks move relative to or away from each other. Under the transmission of the connecting block, the two U-shaped frames move relative to or away from each other, and the clamping size can be adjusted according to the size of the workpiece to adapt to workpieces of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0020] Figure 2 This is a schematic cross-sectional view of the installation frame of the utility model;

[0021] Figure 3 It is a three-dimensional schematic diagram of the U-shaped frame of the utility model;

[0022] Figure 4 It is a cutaway schematic diagram of the main body of the CNC lathe of the utility model.

[0023] Among them: 1. CNC lathe body; 2. flip clamping mechanism; 21. mounting frame; 22. first electric push rod; 23. mounting block; 231. slider; 232. slide groove; 24. servo motor; 25. U-shaped frame; 26. second electric push rod; 27. anti-slip splint; 3. adjustment mechanism; 31. dual-axis servo motor; 32. threaded rod; 33. threaded block; 331. limit block; 332. limit groove; 34. connecting block. DETAILED DESCRIPTION

[0024] 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.

[0025] The utility model provides the following technical solutions:

[0026] Embodiment 1

[0027] See also Figure 1 , Figure 2 and Figure 3 A punching fixture for a CNC lathe comprises a CNC lathe body 1, a flip clamping mechanism 2 is movably connected to the top of the CNC lathe body 1, the flip clamping mechanism 2 comprises a mounting frame 21, a first electric push rod 22 is arranged on the top of the mounting frame 21, a mounting block 23 is fixedly connected to the output end of the first electric push rod 22, a servo motor 24 is fixedly connected to one side of the mounting block 23, a U-shaped frame 25 is fixedly connected to the output shaft of the servo motor 24, a second electric push rod 26 is fixedly connected to one side of the U-shaped frame 25, an anti-slip splint 27 is installed inside the U-shaped frame 25, and the number of mounting frames 21 is two and It is symmetrically distributed above the CNC lathe body 1, the output end of the first electric push rod 22 extends to the inside of the mounting frame 21, the front and rear sides of the mounting block 23 are fixedly connected with sliders 231, the front and rear sides of the inner wall of the mounting frame 21 are provided with slide grooves 232 adapted to the moving trajectory of the slider 231, and two anti-skid splints 27 symmetrically distributed front and back are installed inside the single U-shaped frame 25, the rear anti-skid splint 27 is fixedly connected to the rear side of the inner wall of the U-shaped frame 25, and the output end of the second electric push rod 26 extends to the inside of the U-shaped frame 25 and is fixedly connected to the front anti-skid splint 27.

[0028] Through the above technical scheme, by starting the second electric push rod 26 to extend or contract the output end, the front anti-skid clamp 27 is driven to move forward and backward, so that the workpiece to be punched is clamped and fixed between the front and rear anti-skid clamps 27, and then the first electric push rod 22 is started to push the mounting block 23 to the bottom, so that the bottom of the U-shaped frame 25 is just in contact with the top surface of the CNC lathe body 1. At this time, the workpiece can be punched. When it is necessary to punch the other side of the workpiece, the U-shaped frame 25 is first driven to move up to the top by the first electric push rod 22, and then the U-shaped frame 25 is driven to rotate 180 degrees by the servo motor 24 to complete the flipping of the workpiece. Finally, the U-shaped frame 25 is placed on the top surface of the CNC lathe body 1 by the first electric push rod 22 to perform the punching process on the other side of the workpiece.

[0029] Embodiment 2

[0030] See also Figure 1 and Figure 4 , and on the basis of Example 1, it is further obtained that: an adjustment mechanism 3 is fixedly connected inside the CNC lathe body 1, and the adjustment mechanism 3 includes a dual-axis servo motor 31, and the output shaft of the dual-axis servo motor 31 is fixedly connected to a threaded rod 32, and the outer side of the threaded rod 32 is threadedly connected to a threaded block 33, and the top of the threaded block 33 is fixedly connected to a connecting block 34, and the dual-axis servo motor 31 is fixedly connected to the inside of the CNC lathe body 1, and the two threaded rods 32 are each provided with a section of thread, and the two sections of thread are equal in length and opposite in direction, and the front and rear sides of the threaded block 33 are fixedly connected to a limiting block 331, and a limiting groove 332 adapted to the moving trajectory of the limiting block 331 is opened inside the CNC lathe body 1, and the top of the connecting block 34 is fixedly connected to the bottom of the mounting frame 21, and a moving through hole adapted to the moving trajectory of the connecting block 34 is opened on the top of the CNC lathe body 1.

[0031] Through the above technical solution, the dual-axis servo motor 31 is started to drive the two threaded rods 32 to rotate, so that the two threaded blocks 33 move relative to or away from each other. Under the transmission of the connecting block 34, the two U-shaped frames 25 move relative to or away from each other. The clamping size can be adjusted according to the size of the workpiece to adapt to workpieces of different sizes.

[0032] In actual operation, when this device is in use, first, according to the size of the workpiece to be punched, the dual-axis servo motor 31 is started to drive the threaded rod 32 to rotate, and the spacing between the two threaded blocks 33 is adjusted to adjust the spacing between the two U-shaped frames 25. Then, the second electric push rod 26 is started to drive the front anti-slip clamp 27 to move forward and backward until the workpiece is clamped between the front and rear anti-slip clamps 27, and the U-shaped frame 25 is placed on the top surface of the CNC lathe body 1 through the first electric push rod 22 to facilitate the punching of the workpiece. If the workpiece needs to be turned over, the U-shaped frame 25 is first moved to the top by the first electric push rod 22, and then the U-shaped frame 25 is turned over by the servo motor 24 to facilitate the punching of the other side of the workpiece.

[0033] Although the 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 thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A CNC lathe punching fixture, comprising a CNC lathe body (1), characterized in that: A turning and clamping mechanism (2) is arranged on the top of the CNC lathe body (1), and an adjusting mechanism (3) is arranged inside the CNC lathe body (1); The flip clamping mechanism (2) comprises a mounting frame (21), a first electric push rod (22) is arranged on the top of the mounting frame (21), an output end of the first electric push rod (22) is fixedly connected to a mounting block (23), one side of the mounting block (23) is fixedly connected to a servo motor (24), an output shaft of the servo motor (24) is fixedly connected to a U-shaped frame (25), one side of the U-shaped frame (25) is fixedly connected to a second electric push rod (26), and an anti-slip clamping plate (27) is installed inside the U-shaped frame (25).

2. The CNC lathe punching fixture according to claim 1, characterized in that: The number of the installation frames (21) is two and they are symmetrically distributed above the CNC lathe body (1), and the output end of the first electric push rod (22) extends to the inside of the installation frame (21).

3. The CNC lathe punching fixture according to claim 1, characterized in that: The front and rear sides of the installation block (23) are both fixedly connected with a slider (231), and the front and rear sides of the inner wall of the installation frame (21) are both provided with a slide groove (232) adapted to the moving track of the slider (231).

4. The CNC lathe punching fixture according to claim 1, characterized in that: Two anti-skid cleats (27) are installed inside a single U-shaped frame (25) and are symmetrically distributed front and back. The rear anti-skid cleats (27) are fixedly connected to the rear side of the inner wall of the U-shaped frame (25). The output end of the second electric push rod (26) extends into the interior of the U-shaped frame (25) and is fixedly connected to the front anti-skid cleats (27).

5. The CNC lathe punching fixture according to claim 1, characterized in that: The adjustment mechanism (3) comprises a dual-axis servo motor (31), the output shaft of the dual-axis servo motor (31) is fixedly connected to a threaded rod (32), the outer side of the threaded rod (32) is threadedly connected to a threaded block (33), and the top of the threaded block (33) is fixedly connected to a connecting block (34).

6. The CNC lathe punching fixture according to claim 5, characterized in that: The dual-axis servo motor (31) is fixedly connected to the inside of the CNC lathe body (1), and each of the two threaded rods (32) is provided with a section of thread, and the two sections of thread are of equal length and in opposite directions.

7. The CNC lathe punching fixture according to claim 5, characterized in that: The front and rear sides of the threaded block (33) are both fixedly connected to a limit block (331); a limit groove (332) adapted to the moving track of the limit block (331) is provided inside the CNC lathe body (1); the top of the connecting block (34) is fixedly connected to the bottom of the mounting frame (21); and a moving through hole adapted to the moving track of the connecting block (34) is provided on the top of the CNC lathe body (1).

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