Square tube positioning mechanism of numerical control cutting machine

Abstract

The utility model discloses a numerical control cutting machine square tube positioning mechanism, which comprises a base, the upper surface of the base is fixedly connected with a fixing frame, the inner side wall of the fixing frame is rotatably connected with a driving roller, the upper surface of the fixing frame is fixedly connected with an electric telescopic rod, and the output end of the electric telescopic rod penetrates through the fixing frame and is fixedly connected with a supporting block. The inner surfaces of the supporting blocks are rotationally connected with driven rollers, by adjusting the positions of the driven rollers and the positions of the side rollers, the square pipes can be conveniently positioned and conveyed under the action of the driving rollers, meanwhile, the upper portions, the lower portions, the left portions and the right portions of the square pipes are limited, the square pipes are prevented from shifting or bouncing away during cutting, and potential safety hazards are reduced while the cutting precision of the square pipes is improved; and through arrangement of a mounting plate and a cleaning brush, iron slag on the surface of the square pipe can be conveniently cleaned, the influence of the iron slag on cutting of the square pipe is avoided, the cutting quality of the square pipe is improved, meanwhile, damage to a cutting part is reduced, and the service life of the cutting part is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control cutting machine technical field, in particular to a numerical control cutting machine square tube positioning mechanism. BACKGROUND

[0002] Steel pipe processing process can not immediately meet the construction needs due to the length, so it is necessary to adopt cutting machine to cut these steels to meet the construction needs, wherein the commonly used numerical control cutting machine combines numerical control technology and cutting process, can realize high-precision, high-efficiency cutting operation, is widely used in mechanical manufacturing, automobile manufacturing, shipbuilding, building, metal processing and other industries, can meet the requirements of different industries on cutting precision, cutting quality and production efficiency.

[0003] The existing numerical control cutting machine mostly adopts open positioning mechanism when cutting square tube, which leads to the square tube displacement under the action of cutting machine cutter force when cutting the square tube, not only can affect the cutting precision of square tube, but also can make the square tube fly, produce safety hidden danger, and the existing device is inconvenient for cleaning the iron slag and other impurities attached to the surface of square tube, not only can affect the cutting precision, but also can damage the cutting parts, after searching, the technical scheme provided by the utility model with application number CN202320747458.8 also has the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a numerical control cutting machine square tube positioning mechanism, which can position and convey the square tube, limit the up and down and left and right movement of the square tube, avoid the displacement or flying of the square tube during cutting, improve the cutting precision of the square tube and reduce the safety hidden danger.

[0005] In order to achieve the above purpose, a numerical control cutting machine square tube positioning mechanism is provided, which comprises a base, a fixed frame is fixedly connected to the upper surface of the base, a driving roller is rotatably connected to the inner side wall of the fixed frame, an electric telescopic rod is fixedly connected to the upper surface of the fixed frame, a support block is fixedly connected to the output end of the electric telescopic rod through the fixed frame, a driven roller is rotatably connected to the inner surface of the support block, a motor is fixedly connected to the front surface of the base, a bidirectional screw is fixedly connected to the output end of the motor, a sliding block is threadedly connected to the outer surface of the bidirectional screw, and a moving frame is fixedly connected to the upper surface of the sliding block.

[0006] The inner surface of the moving frame is rotationally connected with a side roller, the upper inner wall of the moving frame is fixedly connected with an upper fixing seat, the lower inner wall of the moving frame is fixedly connected with a lower fixing seat, the lower inner wall of the lower fixing seat is fixedly connected with a spring, the upper end of the spring is fixedly connected with a push plate, the inner surface of the lower fixing seat is inserted with a mounting plate, the side surface of the mounting plate is fixedly connected with a cleaning brush, and the upper surface of the base is fixedly connected with a cutting machine.

[0007] According to the square tube positioning mechanism of the numerical control cutting machine, the two-way screw is fixedly connected with a synchronous wheel at the end away from the motor, and the two synchronous wheels are drivingly connected through a synchronous belt, so that the two-way screws can synchronously rotate, and the stability of the moving frame during movement is improved.

[0008] According to the square tube positioning mechanism of the numerical control cutting machine, the lower surface of the base is fixedly connected with four supports arranged in a rectangular array.

[0009] According to the square tube positioning mechanism of the numerical control cutting machine, the outer surface of the support block is slidingly connected with the fixing frame, and the outer surface of the output end of the electric telescopic rod is slidingly connected with the fixing frame, so that the electric telescopic rod can drive the support block to move to adjust the height of the driven roller.

[0010] According to the square tube positioning mechanism of the numerical control cutting machine, the outer surface of the push plate is slidingly connected with the lower fixing seat, and the inner surface of the upper fixing seat is slidingly connected with the mounting plate, so that the mounting plate can be inserted into the lower connecting seat, the push plate drives the mounting plate to be inserted into the upper connecting seat to fix the mounting plate under the action of the spring, and the mounting plate is convenient to install and remove.

[0011] According to the square tube positioning mechanism of the numerical control cutting machine, the outer surface of the two-way screw is rotationally connected with the base, and the outer surface of the sliding block is slidingly connected with the base, so that the rotation of the two-way screw can drive the moving frame to move through the sliding block, and the position of the moving frame is adjusted.

[0012] According to the square tube positioning mechanism of the numerical control cutting machine, the lower surface of the moving frame is slidingly connected with the base.

[0013] According to the square tube positioning mechanism of the numerical control cutting machine, the driving roller is connected with an external driving mechanism, and the electric telescopic rod, the motor and the cutting machine are electrically connected with an external power supply, so that power is provided for the device.

[0014] The above-mentioned scheme has the beneficial effects:

[0015] 1. By adjusting the positions of the driven roller and the side roller, the square tube can be positioned and conveyed under the action of the driving roller while being limited in up-down and left-right directions, so that displacement or flying of the square tube during cutting is avoided, the cutting precision of the square tube is improved, and safety hazards are reduced.

[0016] 2. The installation plate and cleaning brush facilitate the removal of iron slag from the surface of the square tube, preventing the iron slag from affecting the cutting of the square tube, improving the cutting quality of the square tube while reducing damage to the cutting components and extending the service life of the cutting components.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0019] Figure 1 This is an overall structural diagram of a square tube positioning mechanism for a CNC cutting machine according to this utility model;

[0020] Figure 2 This is a cross-sectional view of the overall structure of a square tube positioning mechanism for a CNC cutting machine according to this utility model;

[0021] Figure 3 This is a schematic cross-sectional view of a bidirectional screw in a square tube positioning mechanism for a CNC cutting machine according to the present invention.

[0022] Figure 4 This is a partial exploded view of the positioning mechanism for square tubes in a CNC cutting machine according to this utility model.

[0023] Legend:

[0024] 1. Base; 2. Fixing frame; 3. Drive roller; 4. Electric telescopic rod; 5. Support block; 6. Driven roller; 7. Motor; 8. Bidirectional screw; 9. Slider; 10. Moving frame; 11. Side roller; 12. Cutting machine; 13. Upper fixing seat; 14. Mounting plate; 15. Lower fixing seat; 16. Spring; 17. Push plate; 18. Cleaning brush; 19. Synchronous pulley; 20. Synchronous belt; 21. Bracket. Detailed Implementation

[0025] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0026] Reference Figures 1-4The utility model discloses an embodiment one kind number control cutting machine square tube positioning mechanism, it is fixedly connected with support 21 on the lower surface of base 1, the number of support 21 is four and rectangular array, the upper surface of base 1 is fixedly connected with fixed frame 2, the inner side wall of fixed frame 2 is rotatably connected with drive roll 3, drive roll 3 is connected with external drive mechanism, the upper surface of fixed frame 2 is fixedly connected with electric telescopic handle 4, the output end outer surface of electric telescopic handle 4 and fixed frame 2 are slid, the output end of electric telescopic handle 4 is fixedly connected with support block 5 that penetrates fixed frame 2, the outer surface of support block 5 and fixed frame 2 are slidably connected, the inner surface of support block 5 is rotatably connected with driven roll 6, the front surface of base 1 is fixedly connected with motor 7, the output of motor 7 is fixedly connected with two-way screw rod 8, the outer surface of two-way screw rod 8 and base 1 are rotatably connected, the end away from motor 7 of two-way screw rod 8 is fixedly connected with synchronous wheel 19, and two synchronous wheels 19 are drivenly connected through synchronous belt 20, and the outer surface of two-way screw rod 8 is threadedly connected with sliding block 9, the outer surface of sliding block 9 and base 1 are slidably connected, the upper surface of sliding block 9 is fixedly connected with moving frame 10, and the lower surface of moving frame 10 and base 1 are slidably connected.

[0027] The inner surface of moving frame 10 is rotatably connected with side roll 11, the upper inner wall of moving frame 10 is fixedly connected with upper fixed seat 13, the lower inner wall of moving frame 10 is fixedly connected with lower fixed seat 15, the lower inner wall of lower fixed seat 15 is fixedly connected with spring 16, the upper end of spring 16 is fixedly connected with push plate 17, the outer surface of push plate 17 and lower fixed seat 15 are slidably connected, the inner surface of lower fixed seat 15 is inserted with mounting plate 14, the inner surface of upper fixed seat 13 and mounting plate 14 are slidably connected, when needing to remove cleaning brush 18, downwardly press mounting plate 14 to make the upper end of mounting plate 14 separate from upper fixed seat 13, so that the fixing of mounting plate 14 is cancelled, cleaning brush 18 is removed, when installing mounting plate 14, the lower end of mounting plate 14 is inserted into the inside of lower fixed seat 15, push plate 17 is driven to move downwards, the upper end of mounting plate 14 corresponds to upper fixed seat 13, then stop force, under the action of spring 16, push plate 17 is driven to move, so that mounting plate 14 is driven to move upwards, the upper end of mounting plate 14 is inserted into the inside of upper fixed seat 13, and the fixing of mounting plate 14 is completed, the side surface of mounting plate 14 is fixedly connected with cleaning brush 18, the upper surface right end of base 1 is fixedly connected with cutting machine 12, electric telescopic handle 4, motor 7, cutting machine 12 are electrically connected with external power supply.

[0028] Working principle: the square tube is placed on the driving roller 3, the support block 5 is driven by the electric telescopic rod 4 to move downward, thereby driving the driven roller 6 to move downward under the joint action of the driving roller 3, the square tube is clamped, the upward and downward movement of the square tube is limited, the motor 7 is started to drive the bidirectional screw 8 to rotate, the two bidirectional screws 8 are synchronously rotated under the action of the synchronous wheel 19 and the synchronous belt 20, thereby driving the sliding block 9 to move towards each other, driving the moving frame 10 to move, thereby driving the side roller 11 to move, the square tube is clamped and the left and right movement of the square tube is limited, thereby realizing the limitation of the upward and downward and left and right movement of the square tube, avoiding the displacement or flying of the square tube when cutting, at the same time, the upper fixed seat 13 and the lower fixed seat 15 are moved when the moving frame 10 moves, the mounting plate 14 drives the cleaning brush 18 to move and contact with the surface of the square tube, the side surface of the square tube will extrude the cleaning brush 18, so that the upper and lower surfaces of the square tube are in contact with the cleaning brush 18, the driving roller 3 is driven by the external driving mechanism, thereby driving the square tube to move into the cutting machine 12 for cutting, the cleaning brush 18 will remove the iron slag and other impurities on the surface of the square tube during the movement process, thereby improving the cutting quality of the square tube and reducing the damage to the cutting parts.

[0029] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A square tube positioning mechanism for a CNC cutting machine, comprising: The base (1) is characterized in that the upper surface of the base (1) is fixedly connected with a fixing frame (2), the inner side wall of the fixing frame (2) is rotatably connected with a drive roller (3), the upper surface of the fixing frame (2) is fixedly connected with an electric telescopic rod (4), the output end of the electric telescopic rod (4) is fixedly connected with a supporting block (5) penetrating through the fixing frame (2), the inner surface of the supporting block (5) is rotatably connected with a driven roller (6), the front surface of the base (1) is fixedly connected with a motor (7), the output end of the motor (7) is fixedly connected with a bidirectional screw rod (8), the outer surface of the bidirectional screw rod (8) is threadedly connected with a sliding block (9), and the upper surface of the sliding block (9) is fixedly connected with a moving frame (10). The inner surface of the moving frame (10) is rotatably connected with a side roller (11), the upper inner wall of the moving frame (10) is fixedly connected with an upper fixed seat (13), the lower inner wall of the moving frame (10) is fixedly connected with a lower fixed seat (15), the lower inner wall of the lower fixed seat (15) is fixedly connected with a spring (16), the upper end of the spring (16) is fixedly connected with a push plate (17), the inner surface of the lower fixed seat (15) is inserted with a mounting plate (14), the side surface of the mounting plate (14) is fixedly connected with a cleaning brush (18), and the upper surface of the base (1) is fixedly connected with a cutting machine (12) at the right end.

2. A square tube positioning mechanism for a CNC cutting machine according to claim 1, wherein, The end of the bidirectional screw rod (8) away from the motor (7) is fixedly connected with a synchronous wheel (19), and the two synchronous wheels (19) are drivingly connected through a synchronous belt (20).

3. A square tube positioning mechanism for a CNC cutting machine as claimed in claim 1, wherein, The lower surface of the base (1) is fixedly connected with a support (21), and the support (21) is in a rectangular array and has four.

4. A square tube positioning mechanism for a CNC cutting machine according to claim 1, wherein, The outer surface of the supporting block (5) is slidingly connected with the fixing frame (2), and the output end of the electric telescopic rod (4) is slidingly connected with the fixing frame (2).

5. A square tube positioning mechanism for a CNC cutting machine according to claim 1, wherein, The outer surface of the push plate (17) is slidingly connected with the lower fixed seat (15), and the inner surface of the upper fixed seat (13) is slidingly connected with the mounting plate (14).

6. A square tube positioning mechanism for a CNC cutting machine according to claim 1, wherein, The outer surface of the bidirectional screw rod (8) is rotatably connected with the base (1), and the outer surface of the sliding block (9) is slidingly connected with the base (1).

7. A square tube positioning mechanism for a CNC cutting machine as claimed in claim 1, wherein, The lower surface of the moving frame (10) is slidingly connected with the base (1).

8. A square tube positioning mechanism for a CNC cutting machine according to claim 1, wherein, The drive roller (3) is connected with an external driving mechanism, and the electric telescopic rod (4), the motor (7) and the cutting machine (12) are electrically connected with an external power supply.

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