Quick positioning and fixing mechanism of numerical control bending machine

Abstract

The utility model belongs to the technical field of positioning and fixing mechanisms, and particularly relates to a quick positioning and fixing mechanism of a numerical control bending machine, which comprises an operation table, two fixing plates are fixedly connected to the upper surface of the operation table, a fixing structure is arranged on each fixing plate, a gantry frame is fixedly connected to the upper surface of the operation table, and a positioning structure is arranged on each gantry frame. The clamping frames, the buffer springs, the roll shafts and the like are arranged, the clamping frames drive the corresponding roll shafts to move, the roll shafts on the two clamping frames are clamped on the two sides of a raw material plate, the raw material plate is positioned and fixed, then the servo motor drives the pushing plate to move through the threaded rod, and the pushing plate is pushed to move through the buffer springs. The pushing plate can directly push one side of the raw material plate to extend out of the sliding groove to a proper position according to the graduated scale, the raw material plate is prevented from being loosened during secondary bending of the raw material plate, then the raw material plate is pushed again to be positioned and fixed again, operation is tedious, and the bending efficiency is affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning fixed mechanism technical field especially relates to a numerical control bending machine quick positioning fixed mechanism. BACKGROUND

[0002] Most of the placing plate on the supermarket shelf is processed by numerical control bending machine, numerical control bending machine is bent into various geometric section shape workpiece under cold state by the mould, it is the plate forming machinery designed for cold rolling sheet metal processing, and is widely used in plate bending processing of automobile, aircraft manufacturing, light industry, shipbuilding, container, elevator, railway vehicle and other industries.

[0003] But in the existing equipment, the numerical control bending machine needs to position and fix the raw material plate when bending, and the raw material plate is positioned and fixed after bending, but if the raw material plate is bent twice, the raw material plate needs to be loosened and then pushed again to position and fix, the operation is more complicated, and the bending efficiency is affected, therefore, a numerical control bending machine quick positioning fixed mechanism is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a numerical control bending machine quick positioning fixed mechanism.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a numerical control bending machine quick positioning fixed mechanism, including operation platform, the upper surface of operation platform is fixedly connected with two fixed plates, every fixed plate is equipped with fixed structure, the upper surface of operation platform is fixedly connected with gantry frame, the upper surface of gantry frame is fixedly connected with first air cylinder, the piston end of first air cylinder is fixedly connected with fixed block, the bottom of fixed block is equipped with connecting groove, the connecting groove is movably connected with connecting block, the side far away from connecting block is equipped with clamping hole, the bottom of connecting block is fixedly connected with pressing plate, the side far away from fixed block is equipped with quick release assembly.

[0006] As a further description of the above technical scheme:

[0007] The upper surface of operation platform is fixedly connected with scale, the upper surface of operation platform is equipped with moving groove, the moving groove is rotatably connected with threaded rod, the threaded rod is threadedly connected with push plate, and the push plate is slidably connected in the moving groove.

[0008] As a further description of the above technical scheme:

[0009] One side of operation platform is fixedly connected with servo motor, and the output shaft of servo motor is fixedly connected with one end of threaded rod.

[0010] As a further description of the above technical solutions:

[0011] The upper surface of the operation table is provided with a sliding groove, and a bending plate is slidably connected in the sliding groove; the bottom of the operation table is fixedly connected with a second cylinder, and the piston end of the second cylinder is fixedly connected with the bottom of the bending plate.

[0012] As a further description of the above technical solutions:

[0013] The fixing structure comprises a third cylinder fixedly connected to one side of the fixed plate, a buffer plate fixedly connected to the piston end of the third cylinder, a clamping frame slidably connected to the outer side wall of the buffer plate, a rotating groove formed in one side of the clamping frame, and a plurality of roller shafts rotatably connected in the rotating groove.

[0014] As a further description of the above technical solutions:

[0015] One side of the buffer plate is fixedly connected with a plurality of buffer springs, and the other ends of the plurality of buffer springs are fixedly connected with the inside of the clamping frame.

[0016] As a further description of the above technical solutions:

[0017] The quick disassembly assembly comprises a fixed frame fixedly connected to one side of the fixed block, a sliding rod slidably connected through one side of the fixed frame, a clamping block fixedly connected to one end of the sliding rod, and the clamping block slidably connected through one side of the fixed block, wherein the clamping block is matched with the corresponding clamping hole.

[0018] As a further description of the above technical solutions:

[0019] A first spring is movably arranged on the sliding rod, one end of the first spring is fixedly connected with the inside of the fixed frame, and the other end is fixedly connected with one side of the clamping block.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. Compared with the prior art, the quick positioning and fixing mechanism for the numerical control bending machine is provided with a third cylinder, a buffer plate, a clamping frame, buffer springs and roller shafts, the raw material plate is placed on the operation table, then the third cylinder drives the buffer plate to move, the buffer plate drives the clamping frame to move, the clamping frame drives the corresponding plurality of roller shafts to move, the plurality of roller shafts on the two clamping frames are clamped on the two sides of the raw material plate, the raw material plate is positioned and fixed, then the servo motor drives the pushing plate to move through the threaded rod, the pushing plate can directly push the raw material plate to extend out of the sliding groove to a proper position according to the scale, the raw material plate is prevented from being loosened when being bent for the second time, then the raw material plate is pushed again to be positioned and fixed again, the operation is relatively cumbersome, and the bending efficiency is affected.

[0022] 2、Compared with the prior art, the quick positioning and fixing mechanism for numerical control bending machine is characterized in that the fixed frame, the sliding rod, the clamping block and the first spring are arranged, the sliding rod is pulled, the clamping block is driven to move by the sliding rod, the clamping block is separated from the clamping hole, the workman is facilitated to take out the pressing plate, and then different pressing plates are replaced according to the size of the raw material plate. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 FIG. 1 is a first perspective view of a quick positioning and fixing mechanism for a numerical control bending machine according to the present application;

[0024] Figure 2 FIG. 2 is a second perspective view of a quick positioning and fixing mechanism for a numerical control bending machine according to the present application;

[0025] Figure 3 FIG. 3 is a fixed structure diagram of a quick positioning and fixing mechanism for a numerical control bending machine according to the present application;

[0026] Figure 4 FIG. 4 is an exploded view of a fixed structure of a quick positioning and fixing mechanism for a numerical control bending machine according to the present application;

[0027] Figure 5 FIG. 5 is a schematic diagram of a quick disassembly assembly of a quick positioning and fixing mechanism for a numerical control bending machine according to the present application;

[0028] Figure 6 FIG. 6 is an exploded view of a quick disassembly assembly of a quick positioning and fixing mechanism for a numerical control bending machine according to the present application;

[0029] Figure 7 FIG. 7 is a schematic diagram of a servo motor and a threaded rod of a quick positioning and fixing mechanism for a numerical control bending machine according to the present application.

[0030] LEGEND:

[0031] 1, operation table; 2, fixed plate; 3, fixed structure; 301, third cylinder; 302, buffer plate; 303, clamping frame; 304, buffer spring; 305, roller shaft; 4, gantry frame; 5, first cylinder; 6, fixed block; 7, connecting block; 8, pressing plate; 9, quick disassembly assembly; 901, fixed frame; 902, sliding rod; 903, clamping block; 904, first spring; 10, scale; 11, servo motor; 12, threaded rod; 13, push plate; 14, bending plate; 15, second cylinder. DETAILED DESCRIPTION

[0032] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] With reference to Figures 1 to 7 The utility model provides a kind of quick positioning and fixing mechanism of numerical control bending machine, including operation platform 1, the upper surface of operation platform 1 is fixedly connected with two fixed plates 2, each fixed plate 2 is equipped with fixed structure 3, the upper surface of operation platform 1 is fixedly connected with gantry frame 4, the upper surface of gantry frame 4 is fixedly connected with first cylinder 5, the piston end of first cylinder 5 is fixedly connected with fixed block 6, the bottom of fixed block 6 is equipped with connecting groove, connecting groove is movably connected with connecting block 7, the side of connecting block 7 away from each other is equipped with clamping hole, the bottom of connecting block 7 is fixedly connected with pressing plate 8, first cylinder 5 drives fixed block 6 to move, fixed block 6 drives pressing plate 8 to move by connecting block 7, pressing plate 8 is pressed on the upper surface of raw material plate, avoid second cylinder 15 driving bending plate 14 when raw material plate is bent upwards to cause raw material plate to be warped, the side of fixed block 6 away from each other is equipped with quick-release assembly 9, the upper surface of operation platform 1 is equipped with sliding slot, sliding slot is slidably connected with bending plate 14, the bottom of operation platform 1 is fixedly connected with second cylinder 15, the piston end of second cylinder 15 is fixedly connected with the bottom of bending plate 14, the upper surface of operation platform 1 is fixedly connected with scale 10, the upper surface of operation platform 1 is equipped with moving groove, moving groove is rotatably connected with threaded rod 12, one side of operation platform 1 is fixedly connected with servo motor 11, the output shaft of servo motor 11 is fixedly connected with one end of threaded rod 12, threaded rod 12 is screw-connected with push plate 13, push plate 13 is slidably connected in moving groove;

[0034] In order to realize the purpose of fixing, the fixing structure 3 includes a third cylinder 301 fixedly connected on one side of the fixing plate 2, the piston end of the third cylinder 301 is fixedly connected with a buffer plate 302, the outer side wall of the buffer plate 302 is slidably connected with a clamping frame 303, one side of the buffer plate 302 is fixedly connected with a plurality of buffer springs 304, the other ends of the plurality of buffer springs 304 are fixedly connected with the inside one side of the clamping frame 303, one side of the clamping frame 303 is provided with a rotating groove, a plurality of roller shafts 305 are rotatably connected in the rotating groove, the raw material plate is placed on the operation table 1, then the third cylinder 301 drives the buffer plate 302 to move, the buffer plate 302 drives the clamping frame 303 to move, the clamping frame 303 drives the corresponding plurality of roller shafts 305 to move, so that the plurality of roller shafts 305 on the two clamping frames 303 are clamped on the two sides of the raw material plate, the raw material plate is positioned and fixed, then the servo motor 11 drives the pushing plate 13 to move through the threaded rod 12, so that the pushing plate 13 can directly push one side of the raw material plate to extend out of the sliding groove to a proper position according to the scale 10, so as to avoid loosening the raw material plate when the raw material plate is bent for the second time, then the raw material plate is pushed again to be repositioned and fixed, the operation is relatively cumbersome, and the bending efficiency is affected;

[0035] In order to realize the purpose of quick disassembly, the quick disassembly assembly 9 includes a fixed frame 901 fixedly connected on one side of the fixed block 6, a sliding rod 902 is slidably connected through one side of the fixed frame 901, a clamping block 903 is fixedly connected on one end of the sliding rod 902, a first spring 904 is movably arranged on the sliding rod 902, one end of the first spring 904 is fixedly connected with the inside one side of the fixed frame 901, the other end is fixedly connected with one side of the clamping block 903, the clamping block 903 is slidably connected on one side of the fixed block 6, the clamping block 903 is matched with the corresponding clamping hole, the sliding rod 902 is pulled to drive the clamping block 903 to move, so that the clamping block 903 is separated from the clamping hole, and then the workman takes out the pressing plate 8, and then different pressing plates 8 are replaced according to the size of the raw material plate.

[0036] Working principle: the raw material plate is placed on the operation table 1, then the third cylinder 301 drives the buffer plate 302 to move, the buffer plate 302 drives the clamping frame 303 to move, the clamping frame 303 drives the corresponding plurality of roller shafts 305 to move, so that the plurality of roller shafts 305 on the two clamping frames 303 are clamped on the two sides of the raw material plate, the raw material plate is positioned and fixed, then the servo motor 11 drives the pushing plate 13 to move through the threaded rod 12, so that the pushing plate 13 can directly push the raw material plate to extend the chute to the appropriate position according to the scale 10, so as to avoid loosening the raw material plate when the raw material plate is bent for the second time, then the raw material plate is repositioned and fixed, the operation is more cumbersome, and the bending efficiency is affected, then the first cylinder 5 drives the fixed block 6 to move, the fixed block 6 drives the pressing plate 8 to move through the connecting block 7, the pressing plate 8 is pressed on the upper surface of the raw material plate, then the second cylinder 15 drives the bending plate 14 to move upwards, the raw material plate is bent upwards through the bending plate 14, the sliding rod 902 is pulled, the clamping block 903 is driven to move, so that the clamping block 903 is separated from the clamping hole, and the staff can take out the pressing plate 8 conveniently, then different pressing plates 8 are replaced according to the size of the raw material plate.

[0037] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A quick positioning and fixing mechanism of numerical control bending machine, comprising an operating table (1), characterized in that: The upper surface of the operating table (1) is fixedly connected with two fixed plates (2), each of which is provided with a fixed structure (3), the upper surface of the operating table (1) is fixedly connected with a gantry frame (4), the upper surface of the gantry frame (4) is fixedly connected with a first air cylinder (5), the piston end of the first air cylinder (5) is fixedly connected with a fixed block (6), the bottom of the fixed block (6) is provided with a connecting groove, the connecting groove is movably connected with a connecting block (7), the side away from the connecting block (7) is provided with a clamping hole, the bottom of the connecting block (7) is fixedly connected with a pressing plate (8), and the side away from the fixed block (6) is provided with a quick release assembly (9).

2. The quick positioning and fixing mechanism of a CNC bending machine according to claim 1, characterized in that: The upper surface of the operating table (1) is fixedly connected with a scale (10), the upper surface of the operating table (1) is provided with a moving groove, the moving groove is rotatably connected with a threaded rod (12), the threaded rod (12) is threadedly connected with a push plate (13), and the push plate (13) is slidably connected in the moving groove.

3. The quick positioning and fixing mechanism of a CNC bending machine according to claim 2, characterized in that: The side of the operating table (1) is fixedly connected with a servo motor (11), and the output shaft of the servo motor (11) is fixedly connected with one end of the threaded rod (12).

4. The quick positioning and fixing mechanism of a CNC bending machine according to claim 1, characterized in that: The upper surface of the operating table (1) is provided with a sliding groove, the sliding groove is slidably connected with a bending plate (14), the bottom of the operating table (1) is fixedly connected with a second air cylinder (15), and the piston end of the second air cylinder (15) is fixedly connected with the bottom of the bending plate (14).

5. The quick positioning and fixing mechanism of a CNC bending machine according to claim 1, characterized in that: The fixed structure (3) comprises a third air cylinder (301) fixedly connected to one side of the fixed plate (2), the piston end of the third air cylinder (301) is fixedly connected with a buffer plate (302), the outer side wall of the buffer plate (302) is slidably connected with a clamping frame (303), one side of the clamping frame (303) is provided with a rotating groove, and a plurality of roller shafts (305) are rotatably connected in the rotating groove.

6. The quick positioning and fixing mechanism of a CNC bending machine according to claim 5, characterized in that: A plurality of buffer springs (304) are fixedly connected to one side of the buffer plate (302), and the other ends of the plurality of buffer springs (304) are fixedly connected with the inside of the clamping frame (303).

7. The quick positioning and fixing mechanism of a CNC bending machine according to claim 1, characterized in that: The quick release assembly (9) comprises a fixed frame (901) fixedly connected to one side of the fixed block (6), a sliding rod (902) slidably connected through one side of the fixed frame (901), a clamping block (903) fixedly connected to one end of the sliding rod (902), the clamping block (903) slidably connected to one side of the fixed block (6), and the clamping block (903) is matched with the corresponding clamping hole.

8. The quick positioning and fixing mechanism of a CNC bending machine according to claim 7, characterized in that: A first spring (904) is movably arranged on the sliding rod (902), one end of the first spring (904) is fixedly connected with the inside of the fixed frame (901), and the other end is fixedly connected with one side of the clamping block (903).

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