Movable clamp of numerical control laser cutting machine

By designing mobile clamps of CNC laser cutting machines, including centering clamping mechanism and dual-axis cylinders, the problem of existing clamps not being able to be automatically centered and difficult to move and adjust when clamping, achieving high-precision workpiece clamping and flexible The fixture moves.

CN222448831UActive Publication Date: 2025-02-11KAIFENG PENTIUM INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202421187253.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-02-11
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

The existing CNC laser cutting machine fixtures cannot be automatically centered when clamped, which affects the processing accuracy and is difficult to move and adjust, adapting to complex working environments.

Method used

A mobile clamp of CNC laser cutting machine is designed, including a fixed support plate, a central clamping mechanism and a dual-axis cylinder. The centering clamping mechanism realizes automatic centering clamping of the workpiece through the cooperation of the right axis, the left axis, the rear clamping frame and the front clamping frame; the dual-axis cylinder allows the movement and adjustment of the clamp.

Benefits of technology

The automatic centering of the workpiece during clamping is realized, which improves the machining accuracy, and the fixture can be moved, adapted to complex working environments, and simplifies the machining process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a movable clamp of a numerical control laser cutting machine. The movable clamp comprises a fixed supporting plate, a centering clamping mechanism and a double-shaft air cylinder. The front end of the left side face of the fixed supporting plate is fixedly connected with a fixed frame. The center clamping mechanism comprises a right shaft, a left shaft, a rear clamping frame and a front clamping frame, the right shaft is slidably connected into the right end of the fixing frame, the left shaft is slidably connected into the left end of the fixing frame, the front clamping frame fixedly sleeves the front end of the outer surface of the right shaft, the rear clamping frame fixedly sleeves the middle of the outer surface of the left shaft, and the position of the rear clamping frame corresponds to the front clamping frame in a front-back mode; the interior of the right end of the rear clamping frame is slidably connected with the outer surface of the right shaft, and the interior of the left end of the front clamping frame is slidably connected with the outer surface of the left shaft. According to the movable clamp of the numerical control laser cutting machine, a workpiece can be automatically centered during clamping, the machining precision is improved, the clamp can be moved, and the movable clamp adapts to more complex working environments.
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Description

Technical Field

[0001] The utility model relates to the technical field of numerical control laser cutting, in particular to a movable clamp for a numerical control laser cutting machine. Background Art

[0002] CNC laser cutting refers to CNC cutting technology that uses laser as a medium, and CNC laser cutting is achieved through a CNC laser cutting machine. During the processing, the workpiece needs to be clamped to facilitate processing, so a CNC laser cutting machine fixture is required;

[0003] Some conventional CNC laser cutting machine fixtures clamp the fixture by bringing the clamping plates close to each other;

[0004] The current CNC laser cutting machine fixture has the following problems: it cannot automatically center clamping during clamping, which easily affects the CNC laser cutting accuracy during processing, and it is difficult to move and adjust the fixture. For this reason, we propose a mobile fixture for CNC laser cutting machines. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a mobile clamp for a CNC laser cutting machine. The clamp can be moved by adjustment to adapt to a more complex working environment. At the same time, the workpiece can be automatically centered when clamped, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mobile fixture for a CNC laser cutting machine, comprising a fixed support plate, a center clamping mechanism and a dual-axis cylinder;

[0007] Fixed support plate: the front end on the left side thereof is fixedly connected with a fixing frame;

[0008] Centering clamping mechanism: it includes a right shaft, a left shaft, a rear clamping frame and a front clamping frame, the right end of the fixing frame is slidably connected to the right shaft, the left end of the fixing frame is slidably connected to the left shaft, the front end fixed sleeve of the outer surface of the right shaft is provided with the front clamping frame, the middle fixed sleeve of the outer surface of the left shaft is provided with the rear clamping frame, the position of the rear clamping frame corresponds to the front and rear of the front clamping frame, the right end of the rear clamping frame is slidably connected to the outer surface of the right shaft, and the left end of the front clamping frame is slidably connected to the outer surface of the left shaft;

[0009] Double-axis cylinder: It is installed on the right side of the fixed support plate. The left end of the telescopic end of the double-axis cylinder is fixedly connected to the right side of the fixed support plate. The air inlet end of the double-axis cylinder is connected to the air delivery end of the external air compressor. It can automatically center the workpiece when clamping, improve the processing accuracy, and allow the fixture to move to adapt to more complex working environments.

[0010] Furthermore, the centering clamping mechanism also includes a rotating support frame and a rotating support plate. The rotating support frame is fixedly connected to the middle part of the front side surface of the fixed frame. The middle part of the upper surface of the fixed frame is rotatably connected with the rotating support plate, and the left shaft and the right shaft can be driven to move by the rotating support plate.

[0011] Furthermore, the center clamping mechanism also includes a support column and a strip slide groove. The upper ends of the outer surfaces of the right shaft and the left shaft are provided with installation grooves, and the interiors of the installation grooves are fixedly connected with support columns. The left and right ends of the upper surface of the rotating support plate are provided with strip slide grooves. The outer surfaces of the support columns are slidably connected to the interior of the strip slide grooves on the same side, so that the support columns can avoid the strip slide grooves when rotating.

[0012] Furthermore, the rear end of the left side surface of the fixed support plate is fixedly connected to a mounting bracket, the left side surface of the mounting bracket is fixedly connected to a cylinder, the front end of the telescopic end of the cylinder is fixedly connected to the rear end of the right shaft, and the air inlet end of the cylinder is connected to the air delivery end of an external air compressor to provide power for clamping.

[0013] Furthermore, both front and rear ends of the left shaft are fixedly connected with limit plates, which can provide a limit function.

[0014] Furthermore, the rear clamping frame and the adjacent ends of the rear clamping frame are both fixedly connected with rubber friction pads to increase the clamping friction.

[0015] Furthermore, the right end of the dual-axis cylinder is fixedly connected with a threaded connection tube for easy installation.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the mobile fixture of the CNC laser cutting machine has the following advantages:

[0017] 1. When clamping is required, air is supplied to the air inlet end of the cylinder through the air compressor, and the telescopic end of the cylinder drives the right axis forward, and the right axis drives the front clamp forward. At the same time, the right axis drives the rotating support plate forward to rotate with the connection with the rotating support frame as the center of the circle, and the right end of the rotating support plate drives the left end of the rotating support plate backward, thereby driving the left axis backward, and the right axis forward. During the movement of the left and right axes, the support column rotates and slides inside the strip slide, so that the rear clamp and the front clamp are separated from each other, and then the workpiece is placed between the rear clamp and the front clamp, and then the staff exhausts the air through the cylinder exhaust valve, so that the telescopic end of the cylinder moves backward, the telescopic end of the cylinder drives the right axis backward, the right axis drives the right end of the rotating support plate backward, and the right end of the rotating support plate drives the left end of the rotating support plate forward, so that the rear clamp and the front clamp are close to each other, thereby clamping the workpiece, thereby the workpiece can be centered when clamping in the use of the CNC laser cutting machine, which is convenient for processing and can be clamped quickly.

[0018] 2. After clamping, the staff can drive the telescopic end of the double-axis cylinder to move to the left by supplying air to the double-axis cylinder. The telescopic end of the double-axis cylinder moves to the left, driving the fixed support plate to the left, so that the clamped workpiece can be driven to move forward and backward and left and right through the screw rod and the double-axis cylinder, so as to facilitate the movement of the workpiece on the CNC laser cutting machine, thereby facilitating the subsequent complex processing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0021] In the figure: 1 fixed support plate, 2 fixed frame, 3 center clamping mechanism, 31 right shaft, 32 left shaft, 33 rear clamping frame, 34 front clamping frame, 35 rotating support frame, 36 rotating support plate, 37 support column, 38 strip slide, 4 limit plate, 5 mounting frame, 6 cylinder, 7 rubber friction pad, 8 double-axis cylinder, 9 threaded connection tube. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-2 ,This embodiment provides a technical solution: a mobile fixture for a CNC laser cutting machine, comprising a fixed support plate 1, a center clamping mechanism 3 and a dual-axis cylinder 8;

[0024] Fixed support plate 1: The front end of the left side thereof is fixedly connected with a fixing frame 2, the rear end of the left side of the fixed support plate 1 is fixedly connected with a mounting frame 5, the left side of the mounting frame 5 is fixedly connected with a cylinder 6, the front end of the telescopic end of the cylinder 6 is fixedly connected with the rear end of the right shaft 31, and the air inlet end of the cylinder 6 is connected with the air delivery end of an external air compressor;

[0025] The center clamping mechanism 3 includes a right shaft 31, a left shaft 32, a rear clamping frame 33 and a front clamping frame 34. The right end of the fixed frame 2 is slidably connected to the right shaft 31, the left end of the fixed frame 2 is slidably connected to the left shaft 32, the front end of the outer surface of the right shaft 31 is fixedly sleeved with a front clamping frame 34, the middle of the outer surface of the left shaft 32 is fixedly sleeved with a rear clamping frame 33, the position of the rear clamping frame 33 corresponds to the front and rear of the front clamping frame 34, the right end of the rear clamping frame 33 is slidably connected to the outer surface of the right shaft 31, the left end of the front clamping frame 34 is slidably connected to the outer surface of the left shaft 32, and the center clamping mechanism 3 also includes a rotating support frame 35 and The rotating support plate 36 and the rotating support frame 35 are fixedly connected to the middle part of the front side surface of the fixed frame 2. The rotating support plate 36 is rotatably connected to the middle part of the upper surface of the fixed frame 2. The central clamping mechanism 3 also includes a support column 37 and a strip slide 38. The upper ends of the outer surfaces of the right shaft 31 and the left shaft 32 are provided with mounting grooves, and the interior of the mounting grooves is fixedly connected with the support column 37. The left and right ends of the upper surface of the rotating support plate 36 are provided with strip slides 38. The outer surfaces of the support columns 37 are slidably connected to the interior of the strip slide 38 on the same side. The front and rear ends of the left shaft 32 are fixedly connected to the limit plate 4. The rear clamping frame 33 and The proximal ends of the rear clamping frame 33 are fixedly connected with rubber friction pads 7. When clamping is required, air is supplied to the air inlet end of the cylinder 6 through the air compressor, and the telescopic end of the cylinder 6 drives the right shaft 31 forward, and the right shaft 31 drives the front clamping frame 34 forward. At the same time, the right shaft 31 drives the rotating support plate 36 forward to rotate with the connection with the rotating support frame 35 as the center of the circle, and the right end of the rotating support plate 36 drives the left end of the rotating support plate 36 backward, thereby driving the left shaft 32 backward and the right shaft 31 forward. During the movement of the left shaft 32 and the right shaft 31, the support column 37 rotates inside the strip slide groove 38. The rear clamping frame 33 and the front clamping frame 34 move and slide, so that the rear clamping frame 33 and the front clamping frame 34 move away from each other, and then the workpiece is placed between the rear clamping frame 33 and the front clamping frame 34, and then the staff exhausts the air through the exhaust valve of the cylinder 6, so that the telescopic end of the cylinder 6 moves backward, and the telescopic end of the cylinder 6 drives the right shaft 31 backward, and the right shaft 31 drives the right end of the rotating support plate 36 backward, and the right end of the rotating support plate 36 drives the left end of the rotating support plate 36 forward, so that the rear clamping frame 33 and the front clamping frame 34 move closer to each other, so as to clamp the workpiece, thereby the workpiece can be centered when clamping, which is convenient for processing and can be clamped quickly;

[0026] Double-axis cylinder 8: It is installed in cooperation with the right side of the fixed support plate 1, the left end of the telescopic end of the double-axis cylinder 8 is fixedly connected to the right side surface of the fixed support plate 1, the air inlet end of the double-axis cylinder 8 is connected to the air supply end of the external air compressor, and the right end of the double-axis cylinder 8 is fixedly connected with a threaded connection tube 9. After clamping, the staff can drive the telescopic end of the double-axis cylinder 8 to move to the left by supplying air to the double-axis cylinder 8, and the telescopic end of the double-axis cylinder 8 moves to the left to drive the fixed support plate 1 to the left, so that the clamped workpiece can be driven to move forward and backward and left and right through the screw rod and the double-axis cylinder 8, so as to facilitate the movement of the workpiece on the CNC laser cutting machine, thereby facilitating the subsequent complex processing technology.

[0027] The working principle of the mobile clamp of the CNC laser cutting machine provided by the utility model is as follows: during installation, the staff installs the threaded connection cylinder 9 onto the moving screw of the CNC laser cutting machine, and drives the screw to rotate through the motor. The rotation of the screw drives the threaded connection cylinder 9 to move forward and backward under the action of the limit, so that the mobile clamp can move forward and backward. When clamping is required, air is supplied to the air inlet end of the cylinder 6 through the air compressor, and the telescopic end of the cylinder 6 drives the right shaft 31 forward, and the right shaft 31 drives the front clamping frame 34 forward. At the same time, the right shaft 31 drives the rotating support plate 36 forward with the connection with the rotating support frame 35 as the center of the circle to rotate, and the right end of the rotating support plate 36 drives the left end of the rotating support plate 36 backward, thereby driving the left shaft 32 backward, and the right shaft 31 forward. During the movement of the left shaft 32 and the right shaft 31, the support column 37 rotates and slides inside the strip slide groove 38, so that the rear clamping frame 33 and the front clamping frame 34 are The two ends of the workpiece 32 are moved away from each other, and then the workpiece is placed between the rear clamping frame 33 and the front clamping frame 34. Then the staff exhausts the air through the exhaust valve of the cylinder 6, so that the telescopic end of the cylinder 6 moves backward, and the telescopic end of the cylinder 6 drives the right shaft 31 backward, and the right shaft 31 drives the right end of the rotating support plate 36 backward, and the right end of the rotating support plate 36 drives the left end of the rotating support plate 36 forward, so that the rear clamping frame 33 and the front clamping frame 34 are close to each other, thereby clamping the workpiece, thereby making the workpiece centered during clamping, which is convenient for processing and can be clamped quickly. After clamping, the staff can drive the telescopic end of the double-axis cylinder 8 to move to the left by supplying air to the double-axis cylinder 8, and the telescopic end of the double-axis cylinder 8 moves to the left to drive the fixed support plate 1 to the left, so that the clamped workpiece can be driven to move back and forth and left and right by the screw rod and the double-axis cylinder 8, so as to facilitate the movement of the workpiece on the CNC laser cutting machine, thereby facilitating the subsequent complex processing technology.

[0028] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Mobile fixture for CNC laser cutting machine, characterized by: It comprises a fixed support plate (1), a centering clamping mechanism (3) and a dual-axis cylinder (8); Fixed support plate (1): a fixed frame (2) is fixedly connected to the front end of the left side of the plate; A center clamping mechanism (3): comprising a right shaft (31), a left shaft (32), a rear clamping frame (33) and a front clamping frame (34); the right end of the fixing frame (2) is slidably connected to the right shaft (31); the left end of the fixing frame (2) is slidably connected to the left shaft (32); the front end of the outer surface of the right shaft (31) is provided with a front clamping frame (34); the middle part of the outer surface of the left shaft (32) is provided with a rear clamping frame (33); the position of the rear clamping frame (33) corresponds to the front and rear of the front clamping frame (34); the right end of the rear clamping frame (33) is slidably connected to the outer surface of the right shaft (31); the left end of the front clamping frame (34) is slidably connected to the outer surface of the left shaft (32); A double-axis cylinder (8) is mounted on the right side of the fixed support plate (1), the left end of the telescopic end of the double-axis cylinder (8) is fixedly connected to the right side surface of the fixed support plate (1), and the air inlet end of the double-axis cylinder (8) is connected to the air delivery end of an external air compressor.

2. The mobile fixture for a CNC laser cutting machine according to claim 1, characterized in that: The centering clamping mechanism (3) further comprises a rotating support frame (35) and a rotating support plate (36); the rotating support frame (35) is fixedly connected to the middle portion of the front side surface of the fixing frame (2); and the rotating support plate (36) is rotatably connected to the middle portion of the upper surface of the fixing frame (2).

3. The movable fixture of the CNC laser cutting machine according to claim 2 is characterized in that: The center clamping mechanism (3) further comprises a support column (37) and a strip slide groove (38); the upper ends of the outer surfaces of the right shaft (31) and the left shaft (32) are provided with mounting grooves, the interiors of the mounting grooves are fixedly connected with support columns (37); the upper surfaces of the rotating support plate (36) are provided with strip slide grooves (38) at both left and right ends, and the outer surfaces of the support columns (37) are slidably connected with the interiors of the strip slide grooves (38) on the same side.

4. The movable fixture of the CNC laser cutting machine according to claim 3 is characterized in that: The rear end of the left side surface of the fixed support plate (1) is fixedly connected to a mounting frame (5), the left side surface of the mounting frame (5) is fixedly connected to a cylinder (6), the front end of the telescopic end of the cylinder (6) is fixedly connected to the rear end of the right shaft (31), and the air inlet end of the cylinder (6) is connected to the air delivery end of an external air compressor.

5. The movable fixture of the CNC laser cutting machine according to claim 1 is characterized in that: The front and rear ends of the left shaft (32) are both fixedly connected to the limiting plate (4).

6. The movable fixture of the CNC laser cutting machine according to claim 1, characterized in that: The rear clamping frame (33) and the adjacent ends of the rear clamping frame (33) are both fixedly connected with a rubber friction pad (7).

7. The movable fixture of the CNC laser cutting machine according to claim 1, characterized in that: The right end of the dual-axis cylinder (8) is fixedly connected with a threaded connection tube (9).