Fixing and clamping mechanism of screw machine

Abstract

The utility model discloses a screw machine fixing and clamping mechanism which comprises a workbench, the upper end face of the workbench is fixedly connected with two symmetrical sliding rails, the upper end faces of the sliding rails are slidably connected with a moving frame, the upper end face of the moving frame is fixedly connected with a fixing plate, the two sides of the fixing plate are fixedly connected with fixing rods, and the upper end faces of the fixing rods are fixedly connected with moving grooves. A moving block is slidably connected into the moving groove, one end of the fixing rod is fixedly connected with a first positioning plate, the fixing plate can be driven to flexibly move through movement of the moving block, a first screw rod and the moving block are in threaded connection through cooperation with use of a first forward and reverse motor, and then the positioning frame is driven to be flexibly adjusted through movement of the moving block; the positioning frame drives the lower pressing plate to avoid a screw hole of a product, and the electric telescopic rod extends out to drive the lower pressing plate to move downwards to fix the product, so that the stability in the screw fixing and tightening process is ensured, the flexibility of the screw machine in the using process is improved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screwdrivers, in particular to a fixing and clamping mechanism for a screwdriver. Background Art

[0002] A screwdriver is a small machine for automatically screwing screws. Its action structure is usually divided into two parts: a feeding part and an electric screwdriver part. The feeding part is responsible for screening and providing screws, while the electric screwdriver part is responsible for picking up screws and screwing them. The screwdriver is designed to improve the operation efficiency and reduce the labor intensity of manual work.

[0003] When the existing screwdriver is in use, a fixed mold is usually installed on the moving component, and the product to be fixed with screws is fixed on the fixed mold. With the movement of the moving component, the screws of the product are tightened. In the actual use process, due to the different positions of the screw holes set during the production of the product and the different shapes of the products, when tightening the screws of the product, the mold needs to be replaced, so it is necessary to customize the mold for different products, which increases the production cost, and it is rather troublesome to replace the fixed mold back and forth, resulting in poor effects during the actual use process. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a fixing and clamping mechanism for a screwdriver. Through the movement of the moving part, the fixing plate can be flexibly moved, and with the use of the first forward and reverse motor, the first screw rod is screwed with the moving block. Then, through the movement of the moving block, the positioning frame is flexibly adjusted, so that the positioning frame drives the lower pressing plate to avoid the screw holes of the product. And through the extension of the electric telescopic rod, the lower pressing plate is driven to move downward to fix the product, ensuring the stability during the process of screwing the screws tightly, improving the flexibility of the screwdriver during the use process, and improving the work efficiency.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A fixing and clamping mechanism for a screwdriver, including a workbench, two symmetrically arranged slide rails are fixedly connected to the upper end surface of the workbench, a moving frame is slidably connected to the upper end surface of the slide rail, a fixing plate is fixedly connected to the upper end surface of the moving frame, fixing rods are fixedly connected to both sides of the fixing plate, a moving groove is fixedly connected to the upper end surface of the fixing rod, a moving block is slidably connected in the moving groove, a first positioning plate is fixedly connected to one end of the fixing rod, a first forward and reverse motor is fixedly connected to the upper end surface of the first positioning plate, a first screw rod is connected to the output end of the first forward and reverse motor, the first screw rod is screwed with the moving block and rotatably connected to the fixing rod, a positioning frame is fixedly connected to the upper end surface of the moving block, an electric telescopic rod is fixedly connected to the inner top wall of the positioning frame, and a lower pressing plate is fixedly connected to the movable end of the electric telescopic rod.

[0006] The beneficial effects of the present utility model are as follows: Through the movement of the moving frame, the fixed plate can be flexibly moved. Under the action of the first forward and reverse motor, the first screw rod and the moving block are screwed together. Then, through the movement of the moving block, the positioning frame is driven to move, so that the positioning frame drives the lower pressing plate to avoid the screw holes on the product. It can cooperate with the extension of the electric telescopic rod to drive the lower pressing plate to move downward, quickly clamp and fix the product, ensure the stability of the product, and thus facilitate the tightening of screws on the product.

[0007] In order to quickly fix the product and facilitate the tightening of screws;

[0008] As a further improvement of the above technical solution: A chute is provided on the upper end surface of the slide rail, a slider is slidably connected in the chute, a second positioning plate is fixedly connected to one side of the slide rail, a second forward and reverse motor is fixedly connected to the upper end surface of the second positioning plate, and an output end of the second forward and reverse motor is fixedly connected to a second screw rod. The second screw rod is rotatably connected to the slide rail and is screwed to the slider.

[0009] The beneficial effects of this improvement are as follows: By using the second forward and reverse motor, the second screw rod and the slider are screwed together. Through the movement of the slider, the moving frame is driven to move flexibly, so as to flexibly move the product fixed on the fixture, and facilitate the quick fixing and tightening of screws on the product.

[0010] In order to flexibly move the fixed plate;

[0011] As a further improvement of the above technical solution: Two symmetrically arranged retaining blocks are fixedly connected to the side of the fixed rod away from the fixed plate. A guide rod is fixedly connected between the two retaining blocks, and a guide block is slidably connected to the guide rod. The guide block is fixedly connected to the positioning frame.

[0012] The beneficial effects of this improvement are as follows: By using the guide block and the guide rod, the positioning frame can be guided to ensure that the positioning frame is stable enough during the movement process and will not tilt or shake.

[0013] In order to guide the positioning frame and ensure the stability of the positioning frame;

[0014] As a further improvement of the above technical solution: A lifting groove is provided on the inner wall of one side of the positioning frame, a lifting block is slidably connected in the lifting groove, and the lifting block is fixedly connected to the lower pressing plate.

[0015] The beneficial effects of this improvement are as follows: By using the lifting groove and the lifting block, the lower pressing plate can be limited to ensure that the lower pressing plate is stable enough during the movement process and can always maintain a vertical up and down movement trajectory.

[0016] In order to limit the lower pressing block and ensure the stability of the lower pressing plate;

[0017] As a further improvement of the above technical solution: A rubber pad is fixedly connected to the lower end surface of the lower pressing plate.

[0018] The beneficial effect of this improvement is that by using the rubber pad, a large frictional force can be generated between the rubber pad and the product, thereby assisting the pressing plate to fix the product, ensuring sufficient stability during the clamping and fixing process of the product, and preventing the screw holes on the product from shifting;

[0019] In order to assist the lower pressing plate in fixing the product;

[0020] As a further improvement of the above technical solution: A control box is fixedly connected to the upper end surface of the workbench.

[0021] The beneficial effect of this improvement is that by using the control box, the fixed clamping mechanism can be adjusted, facilitating the operation and adjustment by the staff and improving work efficiency;

[0022] In order to control and adjust the fixed clamping mechanism;

[0023] As a further improvement of the above technical solution: Support columns are fixedly connected to the four corners of the lower end surface of the workbench.

[0024] The beneficial effect of this improvement is that by using the support columns, the workbench can be supported, ensuring sufficient stability during the use of the workbench;

[0025] In order to support and stabilize the workbench. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 Isometric structural schematic diagram provided by the present utility model;

[0027] Figure 2 Top view provided by the present utility model;

[0028] Figure 3 Provided by the present utility model Figure 2 Stereoscopic sectional view at A-A in;

[0029] Figure 4 Provided by the present utility model Figure 2 Stereoscopic sectional view at B-B in;

[0030] Figure 5 Provided by the present utility model Figure 4 Enlarged view at A in;

[0031] Figure 6 Provided by the present utility model Figure 4Enlarged view at B in the [Chinese context].

[0032] In the figure, 1 is the workbench; 11 is the slide rail; 12 is the moving frame; 13 is the fixing plate; 14 is the fixing rod; 15 is the moving groove; 16 is the moving block; 17 is the first positioning plate; 18 is the first forward and reverse motor; 19 is the first screw rod; 20 is the positioning frame; 21 is the electric telescopic rod; 22 is the lower pressing plate; 31 is the chute; 32 is the slider; 33 is the second positioning plate; 34 is the second forward and reverse motor; 35 is the second screw rod; 41 is the retaining block; 42 is the guide rod; 43 is the guide block; 51 is the lifting groove; 52 is the lifting block; 61 is the rubber pad; 71 is the control box; 81 is the support column. Detailed implementation manner

[0033] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any restrictive effect on the protection scope of the present utility model.

[0034] As Figures 1 to 6As shown in the figure, a fixing and clamping mechanism for a screwdriver machine provided by an embodiment of the present utility model includes a workbench 1. Two symmetrically arranged slide rails 11 are fixedly connected to the upper end surface of the workbench 1. A moving frame 12 is slidably connected to the upper end surface of the slide rails 11. A fixing plate 13 is fixedly connected to the upper end surface of the moving frame 12. Through the movement of the moving frame 12, the fixing plate 13 can be flexibly moved on the slide rails 11. Fixed rods 14 are fixedly connected to both sides of the fixing plate 13. A moving groove 15 is fixedly connected to the upper end surface of the fixed rod 14. A moving block 16 is slidably connected in the moving groove 15. One end of the fixed rod 14 is fixedly connected to a first positioning plate 17. A first forward and reverse motor 18 is fixedly connected to the upper end surface of the first positioning plate 17. The output end of the first forward and reverse motor 18 is connected to a first screw rod 19. The first screw rod 19 is screwed with the moving block 16 and rotatably connected to the fixed rod 14. A positioning frame 20 is fixedly connected to the upper end surface of the moving block 16. An electric telescopic rod 21 is fixedly connected to the inner top wall of the positioning frame 20. The movable end of the electric telescopic rod 21 is fixedly connected to a lower pressing plate 22. Under the action of the first forward and reverse motor 18, the first screw rod 19 is screwed with the moving block 16. Then, through the movement of the moving block 16, the positioning frame 20 can be flexibly moved, so that the positioning frame 20 can drive the lower pressing plate 22 to avoid the screw holes on the product, and can be flexibly positioned according to the product. In cooperation with the use of the electric telescopic rod 21, the lower pressing plate 22 can be driven to move downward to clamp and fix the product. A chute 31 is opened on the upper end surface of the slide rail 11. A slider 32 is slidably connected in the chute 31. A second positioning plate 33 is fixedly connected to one side of the slide rail 11. A second forward and reverse motor 34 is fixedly connected to the upper end surface of the second positioning plate 33. The output end of the second forward and reverse motor 34 is fixedly connected to a second screw rod 35. The second screw rod 35 is rotatably connected to the slide rail 11 and screwed with the slider 32. By using the second forward and reverse motor 34, the second screw rod 35 is screwed with the slider 32. Through the movement of the slider 32, the moving frame 12 can be flexibly moved, so that the moving frame 12 can drive the product on the fixing plate 13 to be flexibly moved and adjusted, which is convenient for quickly tightening the screws of the product. Two symmetrically arranged retaining blocks 41 are fixedly connected to the side of the fixed rod 14 away from the fixing plate 13. A guide rod 42 is fixedly connected between the two retaining blocks 41. A guide block 43 is slidably connected to the guide rod 42. The guide block 43 is fixedly connected to the positioning frame 20. The use of the four guide rods 42 and the four guide rods 42 can guide the corresponding positioning frame 20 respectively, ensuring that the positioning frame 20 is stable enough during the movement process and will not be randomly skewed or shaken. A lifting groove 51 is opened on the inner wall of one side of the positioning frame 20. A lifting block 52 is slidably connected in the lifting groove 51. The lifting block 52 is fixedly connected to the lower pressing plate 22. The use of the four lifting grooves 51 and the four lifting blocks 52 can guide the corresponding lower pressing plate 22 respectively, ensuring that the lower pressing plate 22 is stable enough during the lifting process and making the lower pressing plate 22 always maintain a vertical up and down movement track.A rubber pad 61 is fixedly connected to the lower end face of the lower pressing plate 22. The use of the rubber pad 61 can generate a large frictional force with the product, thereby assisting the lower pressing plate 22 to fix the product. A control box 71 is fixedly connected to the upper end face of the workbench 1. The use of the control box 71 can adjust and control the fixed clamping mechanism. Support columns 81 are fixedly connected to the four corners of the lower end face of the workbench 1. The use of the four support columns 81 can support and stabilize the workbench 1 to ensure the stability of the workbench 1.,

[0035] The working principle and usage process of the present utility model: When in use, first, place the product that needs to install screws on the fixing plate 13. With the cooperation of the first forward and reverse motor 18, the first screw rod 19 is screwed with the moving block 16, and then the moving block 16 drives the lower pressing plate 22 on the positioning frame 20 to move flexibly to avoid the screw holes on the product. The extension of the electric telescopic rod 21 can drive the lower pressing plate 22 to move downward to fix the product. With the cooperation of the rubber pad 61 on the lower end face of the lower pressing plate 22, a large frictional force can be generated between the rubber pad 61 and the product to assist the lower pressing plate 22 in fixing the product. Under the action of the second forward and reverse motor 34, the second screw rod 35 is screwed with the slider 32, so that through the movement of the slider 32, the fixing plate 13 and the product on the moving frame 12 are fixed, facilitating the rapid tightening of screws, thereby realizing the use process of the fixed clamping mechanism of the entire screw machine.

[0036] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0037] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A screw machine fixing and clamping mechanism, comprising a workbench (1), characterized in that: The upper end surface of the workbench (1) is fixedly connected to two symmetrical slide rails (11), the upper end surface of the slide rail (11) is slidably connected to a moving frame (12), the upper end surface of the moving frame (12) is fixedly connected to a fixed plate (13), both sides of the fixed plate (13) are fixedly connected to fixed rods (14), and the upper end surface of the fixed rod (14) is fixedly connected to a moving groove (15); A moving block (16) is slidably connected in the moving groove (15); a first positioning plate (17) is fixedly connected to one end of the fixed rod (14); a first forward and reverse motor (18) is fixedly connected to the upper end surface of the first positioning plate (17); a first screw rod (19) is connected to the output end of the first forward and reverse motor (18); the first screw rod (19) is screwed to the moving block (16) and is rotatably connected to the fixed rod (14); a positioning frame (20) is fixedly connected to the upper end surface of the moving block (16); an electric telescopic rod (21) is fixedly connected to the inner top wall of the positioning frame (20); and a lower pressure plate (22) is fixedly connected to the movable end of the electric telescopic rod (21).

2. A screw machine fixing and clamping mechanism according to claim 1, characterized in that: The upper end surface of the slide rail (11) is provided with a slide groove (31), a slider (32) is slidably connected in the slide groove (31), a second positioning plate (33) is fixedly connected to one side of the slide rail (11), a second forward and reverse motor (34) is fixedly connected to the upper end surface of the second positioning plate (33), a second screw rod (35) is fixedly connected to the output end of the second forward and reverse motor (34), and the second screw rod (35) is rotationally connected to the slide rail (11) and is screwed to the slider (32).

3. A screw machine fixing and clamping mechanism according to claim 1, characterized in that: Two symmetrical retaining blocks (41) are fixedly connected to one side of the fixing rod (14) away from the fixing plate (13); a guide rod (42) is fixedly connected between the two retaining blocks (41); a guide block (43) is slidably connected to the guide rod (42); and the guide block (43) is fixedly connected to the positioning frame (20).

4. A screw machine fixing and clamping mechanism according to claim 1, characterized in that: A lifting groove (51) is provided on the inner wall of one side of the positioning frame (20), a lifting block (52) is slidably connected in the lifting groove (51), and the lifting block (52) is fixedly connected to the lower pressing plate (22).

5. A screw machine fixing and clamping mechanism according to claim 1, characterized in that: The lower end surface of the lower pressing plate (22) is fixedly connected with a rubber pad (61).

6. A screw machine fixing and clamping mechanism according to claim 1, characterized in that: A control box (71) is fixedly connected to the upper end surface of the workbench (1).

7. A screw machine fixing and clamping mechanism according to claim 1, characterized in that: Support columns (81) are fixedly connected at the four corners of the lower end surface of the workbench (1).

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