Flange clamping device

Abstract

The utility model discloses a flange clamping device which comprises a fixing frame, a first notch is formed in the right side of the fixing frame, two through holes are symmetrically formed in the left side of the first notch up and down, two sliding grooves are formed in the left sides of the two through holes, and a double-end rotating motor is fixedly connected in the first notch. The device comprises a double-end rotating motor, two worms are symmetrically and fixedly connected to the two sides of the double-end rotating motor, two worm wheels are connected to the lower portions of the two worms in a meshed mode, two threaded rods are fixedly connected to the left sides of the two worm wheels, and left threads and right threads of the two threaded rods are opposite threads. The worm gear cannot drive the worm to rotate, the flange cannot be loosened when clamped, fixation is firmer, and the device is firmer in fixation, convenient to maintain and repair, easy to operate, convenient to use, high in practicability and beneficial to popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of flange clamping, in particular to a flange clamping device. Background Art

[0002] During the processing of the flange, multiple threaded holes need to be drilled, and the aperture sizes of different flanges are different, and the heights of the flanges themselves are also different. That is, the workpiece is placed on the workbench, the pressure plate is pressed on the workpiece by hand, and the pressure plate is screwed to the workpiece table with bolts, and the processing is performed with a drilling machine and a threaded drill. This method has too low work efficiency and is labor-intensive, so it needs to be improved.

[0003] The prior art discloses a flange clamping device, which can effectively improve the clamping stability for different diameters, effectively improve the clamping effect of the device through a symmetrical sliding structure, and ensure the uniformity of the force applied to the raw material by the device, effectively locate the raw material position through a limiting groove, thereby ensuring the stability of the material in and out of the device, and make the structure of the device stable and the clamping progress synchronized through symmetrical clamping parts, and effectively improve the sliding stability of the device through a combination of a sliding blocking part and a sliding rod, thereby avoiding the tilting of the connecting part during the sliding process, and at the same time, the structure of the slide rail can reduce the sliding friction inside the device, thereby extending the service life of the device.

[0004] The above device is clamped and fixed by a linear motor drive. The disadvantage of the linear motor is that it shakes when stationary and the clamping force of the linear motor is insufficient. When the clamping force on the flange is not strong enough, movement will occur. Therefore, it is necessary to design a flange clamping device with firm clamping and strong practicality. Summary of the invention

[0005] The purpose of the utility model is to provide a flange clamping device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a flange clamping device, including a fixing frame, a first notch is opened on the right side of the fixing frame, two through holes are opened symmetrically up and down on the left side of the first notch, two sliding grooves are opened on the left sides of the two through holes, a double-headed rotating motor is fixedly connected in the first notch, two worms are symmetrically fixedly connected on both sides of the double-headed rotating motor, two worm gears are meshingly connected at the bottom of the two worms, two threaded rods are fixedly connected on the left sides of the two worm gears, the left and right threads of the two threaded rods are opposite threads, the outer sides of the two threaded rods pass through the through holes and are threadedly connected to four connecting plates in the sliding grooves, the two threaded rods are rotatably connected to the through holes, and the other ends of the four connecting plates are fixedly connected to two clamping plates.

[0007] According to the above technical solution, four support rods are fixedly connected to the lower part of the fixed frame, and the other ends of the four support rods are fixedly connected to the base.

[0008] According to the above technical solution, fixing holes are opened at the four corners of the base.

[0009] According to the above technical solution, a gas pressure top is fixedly connected to the top of the base, and a support plate is fixedly connected to the top of the gas pressure top.

[0010] According to the above technical solution, the first notch is symmetrically provided with a first fixing groove at the upper and lower parts, and the upper and lower ends of the two worms are rotatably connected in the first fixing groove.

[0011] According to the above technical solution, a second fixing groove is opened on the left side of the two sliding grooves, and the left side of the threaded rod is rotatably connected in the second fixing groove.

[0012] According to the above technical solution, the two clamping plates are concave-shaped, and the oblique end surfaces of the two clamping plates are fixedly connected with anti-slip pads.

[0013] According to the above technical solution, the upper hinge of the first slot is connected to a cover plate, an L-shaped slot is opened on the right side of the cover plate, a telescopic spring is fixedly connected in the L-shaped slot, the other end of the telescopic spring is fixedly connected to an L-shaped rod, one end of the L-shaped rod is a conical structure outside the L-shaped slot, a clamping slot is opened on the right side of the fixed frame, and the conical end of the L-shaped rod is clamped in the clamping slot.

[0014] Compared with the prior art, the beneficial effect achieved by the utility model is as follows: the utility model starts a double-headed rotating motor, which drives the two worms to rotate, and two worm wheels are meshed and connected below the two worms. The rotation of the two worms drives the two worm wheels to rotate, and the two worm wheels drive the two threaded rods to rotate. A connecting plate is connected through the outer threads of the two threaded rods, and the threaded rod drives the connecting plate and the clamping plate to rotate. Through the opposite directions of the threads on both sides of the threaded rod, the rotation of the threaded rod makes the connecting plate and the clamping plate move relative to each other, so that the flange can be clamped and fixed. The device can drive the worm wheel to rotate through the worm, and the worm wheel cannot drive the worm to rotate. When the flange is clamped, it will not be loose, and the fixation is more firmly. The device is more firmly fixed, convenient for maintenance and repair, simple to operate, easy to use, highly practical, and conducive to promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall upper cross-sectional structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the overall front cross-sectional structure of the utility model;

[0019] Figure 4 The utility model Figure 2 A in the enlarged view;

[0020] Figure 5 The utility model Figure 1 Sectional view at AA in the figure;

[0021] In the figure: 1. fixing frame, 2. first notch, 3. through hole, 4. sliding groove, 5. double-head rotating motor, 6. worm, 7. worm wheel, 8. threaded rod, 9. connecting plate, 10. clamping plate, 11. support rod, 12. base, 13. fixing hole, 14. air pressure top, 15. support plate, 16. first fixing groove, 17. second fixing groove, 18. anti-slip pad, 19. cover plate, 20. L-shaped groove, 21. telescopic spring, 22. L-shaped rod, 23. slot. 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 1-5The utility model provides a technical solution: a flange clamping device, including a fixing frame 1, a first notch 2 is opened on the right side of the fixing frame 1, two through holes 3 are symmetrically opened on the left side of the first notch 2, two sliding grooves 4 are opened on the left side of the two through holes 3, a double-headed rotating motor 5 is fixedly connected in the first notch 2, two worms 6 are symmetrically fixedly connected on both sides of the double-headed rotating motor 5, two worm gears 7 are meshingly connected below the two worms 6, two threaded rods 8 are fixedly connected on the left side of the two worm gears 7, the left side of the two worm gears 7 have opposite threads, the outer sides of the two threaded rods 8 pass through the through holes 3 and are threadedly connected to four connecting plates 9 in the sliding grooves 4, the two threaded rods 8 are rotatably connected to the through holes 3, and the other side of the four connecting plates 9 Two clamping plates 10 are fixedly connected to the ends, and the double-headed rotating motor 5 is started. The double-headed rotating motor 5 drives the two worms 6 to rotate. Two worm wheels 7 are meshed and connected under the two worms 6. The rotation of the two worms 6 drives the two worm wheels 7 to rotate. The two worm wheels 7 drive the two threaded rods 8 to rotate. A connecting plate 9 is connected through the outer threads of the two threaded rods 8. The threaded rods 8 drive the connecting plate 9 and the clamping plate 10 to rotate. The threads on both sides of the threaded rods 8 are in opposite directions. The rotation of the threaded rods 8 causes the connecting plate 9 and the clamping plate 10 to move relative to each other, so that the flange can be clamped and fixed. The device can drive the worm wheel 7 to rotate through the worm 6, and the worm wheel 7 cannot drive the worm 6 to rotate. When the flange is clamped, it will not be loose, and the fixation is more firm.

[0024] according to Figure 3 As shown, four support rods 11 are fixedly connected to the bottom of the fixed frame 1, and the other ends of the four support rods 11 are fixedly connected to the base 12;

[0025] according to Figure 1 As shown, the four corners of the base 12 are provided with fixing holes 13, and the device can be conveniently fixed by providing the fixing holes 13;

[0026] according to Figure 3 As shown, a gas pressure top 14 is fixedly connected to the top of the base 12, and a support plate 15 is fixedly connected to the top of the gas pressure top 14. By providing the gas pressure top 14 and the support plate 15, the height of the support plate 15 can be adjusted, and flanges of different thicknesses can be clamped and fixed in the middle;

[0027] according to Figure 4 As shown, the first notch 2 is symmetrically provided with a first fixing groove 16, and the upper and lower ends of the two worms 6 are rotatably connected in the first fixing groove 16. The first fixing groove 16 is provided to limit and fix the worm 6;

[0028] according to Figure 2 As shown, a second fixing groove 17 is opened on the left side of the two sliding grooves 4, and the left side of the threaded rod 8 is rotatably connected in the second fixing groove 17. The second fixing groove 17 plays a role of fixing and limiting the threaded rod 8;

[0029] according to Figure 2 As shown, the two clamping plates 10 are concave-shaped, and the oblique end surfaces of the two clamping plates 10 are fixedly connected with anti-skid pads 18. By providing the anti-skid pads 18, the flange can be clamped more firmly;

[0030] according to Figure 5 As shown, the upper hinge of the first slot 2 is connected to a cover plate 19, and an L-shaped slot 20 is opened on the right side of the cover plate 19. A telescopic spring 21 is fixedly connected in the L-shaped slot 20, and the other end of the telescopic spring 21 is fixedly connected to an L-shaped rod 22. One end of the L-shaped rod 22 is a conical structure outside the L-shaped slot 20, and a slot 23 is opened on the right side of the fixed frame 1. The conical end of the L-shaped rod 22 is engaged with the slot 23. By moving the L-shaped rod 22 and sliding the conical end of the L-shaped rod 22 out of the slot 23, lubricating oil can be added to the meshing connection for maintenance to avoid damage to the equipment due to excessive friction. The telescopic spring 21 pushes the L-shaped rod 22 to engage the L-shaped rod 22 with the slot 23, which plays a locking and fixing role.

[0031] When using the utility model, fix the base 12 on the workbench, start the double-headed rotating motor 5, the double-headed rotating motor 5 drives the two worms 6 to rotate, and two worm wheels 7 are meshed and connected below the two worms 6. The rotation of the two worms 6 drives the two worm wheels 7 to rotate, and the two worm wheels 7 drive the two threaded rods 8 to rotate. The connecting plates 9 are connected through the outer threads of the two threaded rods 8. The threaded rods 8 drive the connecting plates 9 and the clamping plates 10 to rotate. The threads on both sides of the threaded rods 8 are in opposite directions, and the rotation of the threaded rods 8 causes the connecting plates 9 and the clamping plates 10 to move relative to each other, so that the flange can be clamped and fixed. The device can drive the worm wheels 7 to rotate through the worms 6, and the worm wheels 7 cannot drive the worm 6 to rotate, so it will not loosen when the flange is clamped, and it is fixed more firmly. By providing an anti-skid pad 18, the flange can be clamped more firmly. By moving the L-shaped rod 22 and sliding the tapered end of the L-shaped rod 22 out of the slot 23, lubricating oil can be added to the meshing connection for maintenance to avoid damage to the equipment due to excessive friction. By pushing the L-shaped rod 22 through the telescopic spring 21, the L-shaped rod 22 can be clamped with the slot 23, which plays a locking and fixing role. The components of this device are all universal standard parts or components known to those skilled in the art, and its structure and principle can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A flange clamping device, comprising a fixing frame (1), characterized in that: The fixing frame (1) is provided with a first notch (2) on the right side, two through holes (3) are symmetrically provided on the left side of the first notch (2) in the upper and lower directions, two sliding grooves (4) are provided on the left side of the two through holes (3), a double-headed rotating motor (5) is fixedly connected in the first notch (2), two worms (6) are symmetrically fixedly connected on both sides of the double-headed rotating motor (5), two worm wheels (7) are meshingly connected below the two worms (6), two threaded rods (8) are fixedly connected on the left side of the two worm wheels (7), the left and right threads of the two threaded rods (8) are opposite threads, the outer sides of the two threaded rods (8) pass through the through holes (3) and are threadedly connected to four connecting plates (9) in the sliding grooves (4), the two threaded rods (8) are rotatably connected to the through holes (3), and the other ends of the four connecting plates (9) are fixedly connected to two clamping plates (10).

2. A flange clamping device according to claim 1, characterized in that: Four support rods (11) are fixedly connected to the bottom of the fixed frame (1), and the other ends of the four support rods (11) are fixedly connected to a base (12).

3. A flange clamping device according to claim 2, characterized in that: The base (12) has fixing holes (13) at four corners.

4. A flange clamping device according to claim 3, characterized in that: A gas pressure top (14) is fixedly connected to the top of the base (12), and a support plate (15) is fixedly connected to the top of the gas pressure top (14).

5. A flange clamping device according to claim 4, characterized in that: The first notch (2) is symmetrically provided with a first fixing groove (16), and the upper and lower ends of the two worms (6) are rotatably connected in the first fixing groove (16).

6. A flange clamping device according to claim 5, characterized in that: A second fixing groove (17) is formed on the left side of the two sliding grooves (4), and the left side of the threaded rod (8) is rotatably connected in the second fixing groove (17).

7. A flange clamping device according to claim 6, characterized in that: The two clamping plates (10) are concave-shaped, and the oblique end surfaces of the two clamping plates (10) are fixedly connected with anti-slip pads (18).

8. A flange clamping device according to claim 7, characterized in that: The upper hinge of the first notch (2) is connected to a cover plate (19); an L-shaped groove (20) is provided on the right side of the cover plate (19); a telescopic spring (21) is fixedly connected inside the L-shaped groove (20); the other end of the telescopic spring (21) is fixedly connected to an L-shaped rod (22); one end of the L-shaped rod (22) is a conical structure outside the L-shaped groove (20); a clamping groove (23) is provided on the right side of the fixed frame (1); and the conical end of the L-shaped rod (22) is clamped with the clamping groove (23).

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