CNC pneumatic clamp

Abstract

The utility model relates to the field of CNC clamps, and discloses a CNC pneumatic clamp which comprises a clamping seat, the upper surface of the clamping seat is connected with a supporting seat in a sliding mode, the inner surface of the supporting seat is connected with a threaded shaft in a rotating mode, the outer surface of the threaded shaft is connected with a supporting plate in a threaded mode, the side surface of the supporting plate is fixedly connected with a connecting rod, and the connecting rod is connected with the clamping seat in a sliding mode. The lower surface of the clamping seat is fixedly connected with an adjusting mechanism, and the adjusting mechanism comprises a limiting rod, a lifting plate, a first sliding block, a movable frame, a second sliding block, a first air cylinder, an adjusting seat and a second air cylinder. Compared with the prior art, the clamp has the advantages that the clamp is simple in structure and convenient to use, a cutter can conveniently machine different positions and angles of a to-be-machined workpiece clamped on the clamp, each independent clamping device can be adjusted, irregular workpieces can be clamped, the practicability of the clamp is improved, the number of air cylinders needed by the clamp is reduced, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of CNC clamps, in particular to a CNC pneumatic clamp. Background Art

[0002] Computer numerical control machine tools are automated machine tools equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, and decode them, so that the machine tool can move and process parts. CNC in English is also known as CNC machine tools and CNC lathes. In CNC numerical control, the clamping of workpieces is generally done by pneumatic clamps, and the robot arm is used for cutting and other tasks. However, the existing pneumatic clamps clamp the workpiece, and the workpiece needs to be clamped on both the X-axis and the Y-axis at the same time, which requires multiple cylinder drives, which is costly, and the clamping arm length cannot be adjusted, which is not convenient for clamping rectangular workpieces.

[0003] Existing patent (publication number: CN202122967791.3) The utility model discloses a CNC pneumatic clamp, which relates to a clamp in the field of CNC processing supporting facilities, including a base, an adjustment component is arranged inside the base, a workbench is connected to the top of the base, a cylinder is installed on both sides of the workbench, the output end of the cylinder is connected to the clamp through a piston rod, and a protective component is arranged inside the workbench. The utility model drives the clamp to move after the piston rod extends out of the cylinder, and the clamp drives the second protective plate, the shovel plate and the roller to move. At the same time, the shovel plate is set to prevent the residual material from entering the first protective plate and the second protective plate. The roller is set to support the clamp, the second protective plate and the shovel plate to prevent one end of the piston rod from being bent due to excessive force. The first protective plate and the second protective plate cooperate to prevent the waste material from falling on the piston rod and causing wear on the piston rod when the CNC processing device cuts the material, effectively preventing the piston rod from being worn when it is extended.

[0004] The inventor discovered the following problems in the prior art during the implementation of the present invention:

[0005] 1. It requires multiple cylinders to drive, which is costly and the clamping arm length cannot be adjusted, making it inconvenient to clamp rectangular workpieces;

[0006] 2. The fixture angle cannot be adjusted, so the position angle of the workpiece to be processed is single and cannot meet the needs of various processing angles.

[0007] Therefore, the utility model provides a CNC pneumatic clamp to solve the problems raised in the above background technology. Utility Model Content

[0008] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a CNC pneumatic clamp, which can adjust the position and angle of the clamp by setting an adjustment mechanism, which is not only conducive to the tool to process the workpiece to be processed clamped on the clamp from different positions and angles, but also can adjust each individual clamping device so that it can also clamp irregular workpieces, thereby improving the practicability of the clamp, reducing the number of cylinders required for the clamp, and reducing the manufacturing cost.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CNC pneumatic clamp, comprising a clamping seat, the upper surface of the clamping seat is slidably connected to a support seat, the inner surface of the support seat is rotatably connected to a threaded shaft, the outer surface of the threaded shaft is threadedly connected to a support plate, the side surface of the support plate is fixedly connected to a connecting rod, one end of the connecting rod away from the support plate is fixedly connected to a movable plate, and the lower surface of the clamping seat is fixedly connected to an adjustment mechanism;

[0010] The adjusting mechanism comprises a limit rod, a lifting plate, a first slider, a movable frame, a second slider, a first cylinder, an adjusting seat and a second cylinder, the inner surface of the limit rod is slidably connected to the lifting plate, the outer surface of the lifting plate is fixedly connected to the first slider, the outer surface of the first slider is rotatably connected to the movable frame, an end of the movable frame away from the first slider is rotatably connected to the second slider, the lower surface of the lifting plate is fixedly connected to the first cylinder, the lower surface of the limit rod is fixedly connected to the adjusting seat, the lower surface of the adjusting seat is fixedly connected to the second cylinder, and the lower surface of the second cylinder is fixedly connected with a mounting seat;

[0011] Through the above technical solution, the position and angle of the clamp can be adjusted by setting an adjustment mechanism, which is not only beneficial for the tool to process different positions and angles of the workpiece to be processed clamped on the clamp, but also each individual clamping device can be adjusted so that it can also clamp irregular workpieces, thereby improving the practicality of the clamp, reducing the number of cylinders required for the clamp, and reducing manufacturing costs.

[0012] Furthermore, a sealing shell is fixedly connected to the lower surface of the clamping seat, and the lower surface of the sealing shell is fixedly connected to the adjustment seat;

[0013] Through the above technical solution, the sealing shell connects the clamping seat and the adjusting seat, so that the clamping seat and the adjusting seat are sealed inside. When the adjusting seat is adjusted, the clamping seat can be driven to adjust synchronously and cutting debris can be prevented from entering the interior.

[0014] Furthermore, a telescopic protective cover is fixedly connected to the upper surface of the mounting seat, and the upper surface of the telescopic protective cover is fixedly connected to the adjustment seat;

[0015] Through the above technical solution, the telescopic protective cover connects the adjusting seat and the mounting seat, thereby sealing the adjusting seat and the mounting seat without affecting the movement of the adjusting seat.

[0016] Furthermore, the outer surface of the connecting rod is slidably connected to the support seat, and the end of the threaded shaft away from the support seat is fixedly connected to a knob;

[0017] Through the above technical solution, turning the knob drives the threaded shaft to rotate, and the threaded shaft drives the support plate to move so that the connecting rod slides along the support seat, thereby driving the movable plate to move to clamp the workpiece. It is convenient to adjust the movable plate to clamp the workpiece, and it is convenient to clamp irregular workpieces.

[0018] Furthermore, the outer surface of the second sliding block is slidably connected to the clamping seat, and the outer surface of the first sliding block is slidably connected to the limiting rod;

[0019] Through the above technical solution, the first slider moves up and down along the slide groove on the limit rod, and the second slider moves along the slide groove on the clamping seat, so that when the first slider moves, the second slider can be moved through the movable frame to adjust the position of the support seat.

[0020] Further, the lower surface of the first cylinder is fixedly connected to the adjustment seat, and the number of the second cylinders is four and arranged in a circular array;

[0021] Through the above technical solution, the first cylinder drives the lifting plate to move up and down, and the four second cylinders adjust the position angle of the adjustment seat through different telescopic lengths, which is convenient for adjusting the position angle of the clamping seat, and convenient for clamping the workpiece while flexibly adjusting the angle to improve practicality.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model proposes a CNC pneumatic clamp, which is conducive to the tool to process the workpiece to be processed clamped on the clamp from different positions and angles, and each individual clamping device can be adjusted so that it can also clamp irregular workpieces, thereby improving the practicability of the clamp.

[0024] 2. The CNC pneumatic clamp proposed by the utility model reduces the number of cylinders required for the clamp and reduces the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is the overall structure diagram of the utility model;

[0026] Figure 2 It is a cross-sectional view of the utility model;

[0027] Figure 3 It is the internal structure diagram of the utility model;

[0028] Figure 4 for Figure 2 Enlarged schematic diagram at point A in the middle.

[0029] Legend:

[0030] 1. Clamping seat; 2. Support seat; 3. Threaded shaft; 4. Support plate; 5. Connecting rod; 6. Movable plate; 7. Adjustment mechanism; 8. Limit rod; 9. Lifting plate; 10. First slider; 11. Movable frame; 12. Second slider; 13. First cylinder; 14. Adjustment seat; 15. Second cylinder; 16. Mounting seat; 17. Sealing shell; 18. Telescopic protective cover; 19. Knob. DETAILED DESCRIPTION

[0031] 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.

[0032] Example 1

[0033] Reference Figure 1-4 The utility model provides an embodiment: it includes a clamping seat 1, the lower surface of the clamping seat 1 is fixedly connected with a sealing shell 17, the upper surface of the clamping seat 1 is slidably connected with a support seat 2, the lower surface of the support seat 2 is slidably connected to the clamping seat 1, the number of the support seats 2 is four and they are arranged in a rectangular array, the inner surface of the support seat 2 is rotatably connected with a threaded shaft 3, the end of the threaded shaft 3 away from the support seat 2 is fixedly connected with a knob 19, the outer surface of the threaded shaft 3 is threadedly connected with a support plate 4, the side surface of the support plate 4 is fixedly connected with a connecting rod 5, the outer surface of the connecting rod 5 is slidably connected to the support seat 2, the end of the connecting rod 5 away from the support plate 4 is fixedly connected with a movable plate 6, the lower surface of the movable plate 6 is slidably connected to the clamping seat 1, and the lower surface of the clamping seat 1 is fixedly connected with an adjustment mechanism 7.

[0034] During specific use, the knob 19 is turned to drive the threaded shaft 3 to rotate, and the threaded shaft 3 drives the support plate 4 to move so that the connecting rod 5 slides along the support seat 2, thereby driving the movable plate 6 to move to clamp the workpiece. The four movable plates 6 can be adjusted independently to facilitate clamping irregular workpieces and increase the practicality of the clamp.

[0035] The adjustment mechanism 7 includes a limit rod 8, a lifting plate 9, a first slider 10, a movable frame 11, a second slider 12, a first cylinder 13, an adjustment seat 14 and a second cylinder 15. The inner surface of the limit rod 8 is slidably connected to the lifting plate 9, the outer surface of the lifting plate 9 is fixedly connected to the first slider 10, the outer surface of the first slider 10 is slidably connected to the limit rod 8, the outer surface of the first slider 10 is rotatably connected to the movable frame 11, the end of the movable frame 11 away from the first slider 10 is rotatably connected to the second slider 12, the lower surface of the support seat 2 is fixedly connected to the second slider 12, and the outer surface of the second slider 12 It is slidingly connected to the clamping seat 1, the lower surface of the lifting plate 9 is fixedly connected to the first cylinder 13, the lower surface of the limit rod 8 is fixedly connected to the adjusting seat 14, the lower surface of the sealing shell 17 is fixedly connected to the adjusting seat 14, the lower surface of the first cylinder 13 is fixedly connected to the adjusting seat 14, the lower surface of the adjusting seat 14 is fixedly connected to the second cylinder 15, the number of the second cylinders 15 is four and they are arranged in a circular array, the lower surface of the second cylinder 15 is fixedly connected with a mounting seat 16, the upper surface of the mounting seat 16 is fixedly connected with a telescopic protective cover 18, and the upper surface of the telescopic protective cover 18 is fixedly connected to the adjusting seat 14.

[0036] During specific use, the first cylinder 13 drives the lifting plate 9 to move up and down along the limit rod 8, drives the first slide block 10 to move up and down along the slide groove on the limit rod 8, and then drives the second slide block 12 to move along the slide groove on the clamping seat 1 through the movable frame 11, so that the support seat 2 moves inward or outward synchronously to clamp and release the workpiece. The four second cylinders 15 adjust the position angle of the adjusting seat 14 through different telescopic lengths, which is convenient for adjusting the position angle of the clamping seat 1, convenient for clamping the workpiece and flexible for adjusting the angle to improve practicality. The sealing shell 17 connects the clamping seat 1 with the adjusting seat 14, so that the clamping seat 1 and the adjusting seat 14 are sealed inside, and can drive the clamping seat 1 to adjust synchronously when the adjusting seat 14 is adjusted, and can also prevent cutting debris from entering the inside. The telescopic protective cover 18 connects the adjusting seat 14 with the mounting seat 16, and seals the adjusting seat 14 and the mounting seat 16 without affecting the activity of the adjusting seat 14.

[0037] Working principle: the first cylinder 13 drives the lifting plate 9 to move up and down along the limit rod 8, drives the first slider 10 to move up and down along the slide groove on the limit rod 8, and then drives the second slider 12 to move along the slide groove on the clamping seat 1 through the movable frame 11, so that the support seat 2 moves inward or outward synchronously to clamp and release the workpiece. The four second cylinders 15 adjust the position angle of the adjusting seat 14 through different telescopic lengths. The sealing shell 17 connects the clamping seat 1 with the adjusting seat 14, so that the clamping seat 1 and the adjusting seat 14 are sealed internally, and can drive the clamping seat 1 to adjust synchronously when the adjusting seat 14 is adjusted. The telescopic protective cover 18 connects the adjusting seat 14 with the mounting seat 16, seals the adjusting seat 14 and the mounting seat 16 without affecting the activity of the adjusting seat 14, turns the knob 19 to drive the threaded shaft 3 to rotate, and the threaded shaft 3 drives the support plate 4 to move so that the connecting rod 5 slides along the support seat 2, thereby driving the movable plate 6 to move to clamp the workpiece, and the four movable plates 6 can be adjusted independently.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A CNC pneumatic clamp, comprising a clamping seat (1), characterized in that: The upper surface of the clamping seat (1) is slidably connected to a support seat (2), the inner surface of the support seat (2) is rotatably connected to a threaded shaft (3), the outer surface of the threaded shaft (3) is threadedly connected to a support plate (4), the side surface of the support plate (4) is fixedly connected to a connecting rod (5), the end of the connecting rod (5) away from the support plate (4) is fixedly connected to a movable plate (6), and the lower surface of the clamping seat (1) is fixedly connected to an adjustment mechanism (7); The adjusting mechanism (7) comprises a limiting rod (8), a lifting plate (9), a first slider (10), a movable frame (11), a second slider (12), a first cylinder (13), an adjusting seat (14) and a second cylinder (15); the inner surface of the limiting rod (8) is slidably connected to the lifting plate (9); the outer surface of the lifting plate (9) is fixedly connected to the first slider (10); the outer surface of the first slider (10) is rotatably connected to the movable frame (11); an end of the movable frame (11) away from the first slider (10) is rotatably connected to the second slider (12); the lower surface of the lifting plate (9) is fixedly connected to the first cylinder (13); the lower surface of the limiting rod (8) is fixedly connected to the adjusting seat (14); the lower surface of the adjusting seat (14) is fixedly connected to the second cylinder (15); and the lower surface of the second cylinder (15) is fixedly connected to a mounting seat (16).

2. A CNC pneumatic clamp according to claim 1, characterized in that: The lower surface of the clamping seat (1) is fixedly connected to a sealing shell (17), and the lower surface of the sealing shell (17) is fixedly connected to the adjustment seat (14).

3. A CNC pneumatic clamp according to claim 1, characterized in that: A telescopic protective cover (18) is fixedly connected to the upper surface of the mounting seat (16), and the upper surface of the telescopic protective cover (18) is fixedly connected to the adjustment seat (14).

4. A CNC pneumatic clamp according to claim 1, characterized in that: The outer surface of the connecting rod (5) is slidably connected to the support seat (2), and the end of the threaded shaft (3) away from the support seat (2) is fixedly connected to a knob (19).

5. The CNC pneumatic clamp according to claim 1, characterized in that: The outer surface of the second sliding block (12) is slidably connected to the clamping seat (1), and the outer surface of the first sliding block (10) is slidably connected to the limiting rod (8).

6. A CNC pneumatic clamp according to claim 1, characterized in that: The lower surface of the first cylinder (13) is fixedly connected to the adjustment seat (14), and the number of the second cylinders (15) is four and they are arranged in a circular array.

7. A CNC pneumatic clamp according to claim 1, characterized in that: The lower surface of the support seat (2) is fixedly connected to the second sliding block (12), and the number of the support seats (2) is four and they are arranged in a rectangular array.

8. The CNC pneumatic clamp according to claim 1, characterized in that: The lower surface of the support seat (2) is slidably connected to the clamping seat (1), and the lower surface of the movable plate (6) is slidably connected to the clamping seat (1).

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