Clamping mechanism for I-shaped leg machining

Abstract

The utility model discloses a clamping mechanism for processing an I-shaped leg, which belongs to the field of furniture processing and comprises a bottom plate, a mounting groove is arranged in the bottom plate, the top of the bottom plate is fixedly connected with a worktable, the I-shaped leg is placed on the worktable, a limiting mechanism is arranged in the worktable, and a turnover mechanism is arranged at the top of the bottom plate. The turnover mechanism comprises two first sliding blocks which are symmetrically arranged. The welding device has the beneficial effects that the overturning mechanism is arranged, a hydraulic cylinder is controlled to enable a vertical plate to ascend to a certain height, then a stepping motor is started, the stepping motor drives a rotating shaft to rotate, the rotating shaft drives a first limiting plate to clamp the I-shaped leg to rotate, the I-shaped leg is overturned, and welding of the bottom of the I-shaped leg is facilitated; a clamping mechanism is arranged on the first limiting plate, during overturning, the I-shaped leg is supported through the clamping mechanism, and the stability during overturning is improved; and the clamping mechanism is movably connected to the first limiting plate, so that after overturning, the clamping mechanism is moved away, and welding is prevented from being affected.

Description

Technical Field

[0001] The utility model relates to the field of furniture processing, in particular to a clamping mechanism for processing I-shaped legs. Background Art

[0002] In the manufacturing process of furniture, pipes are mostly used to weld the supporting parts of the furniture, among which the most commonly used is the I-leg. During the production process of the I-leg, the welding parts need to be placed on a platform for clamping and limiting before welding.

[0003] After searching, the Chinese patent publication number CN216633238U was found, which discloses an I-leg welding tool. The patent supports and limits the I-leg components through the first transverse positioning plate, horizontal positioning plate, and second transverse positioning plate of the limiting mechanism, and vertically fixes the I-leg components through the clamping plate of the clamping mechanism to ensure reliable contact between the I-leg components. Then, the welding angle is adjusted during the welding process through the rotation of the limiting mechanism on the frame, and the welded I-leg falls to the rear side through the unloading plate, which improves the convenience of welding and ensures the quality of welding.

[0004] However, in the above patent, the bottom of the I-shaped leg abuts against the support platform, so it is inconvenient to weld the bottom surface of the I-shaped leg. Utility Model Content

[0005] The purpose of the utility model is to provide a clamping mechanism for processing an I-shaped leg in order to solve the above-mentioned problem.

[0006] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0007] The lifting mechanism comprises two first sliding blocks, the first sliding block is slidably connected to the lifting mechanism, the first sliding block is slidably connected to the lifting mechanism, the first sliding block is slidably connected to the lifting mechanism, the top of the hydraulic cylinder is fixedly connected to the vertical plate, the vertical plate is rotatably connected to the rotating shaft, the end of the rotating shaft is fixedly connected to the first limiting plate, one of the first limiting plates is fixedly connected to a stepping motor, the output end of the stepping motor is connected to one of the rotating shafts through a coupling, and the flipping mechanism also includes a power assembly, which is used to drive the two first sliding blocks to move toward or away from each other, and a clamping mechanism is provided in the first limiting plate, which is used to support the I-leg during flipping.

[0008] Preferably, the power assembly includes a rotating motor fixedly connected to the front side of the base plate, the output end of the rotating motor is connected to a first bidirectional screw rod through a coupling, the first bidirectional screw rod is rotatably connected in the mounting groove, and the first slider is threadedly connected to the first bidirectional screw rod.

[0009] Preferably, the clamping mechanism includes two second sliders slidably connected to the rear side of the first limit plate, the two second sliders are distributed up and down, and the rear sides of the two second sliders are respectively connected to an upper support plate and a lower support plate, the upper support plate is located above, and the lower support plate is located below, and the upper support plate and the lower support plate are staggered. The clamping mechanism also includes two sets of drive components, which are used to drive the two second sliders to move individually.

[0010] Preferably, the drive assembly includes a servo motor fixedly connected to one side of the first limit plate, the output end of the servo motor is connected to a one-way screw through a coupling, a slide groove is opened on the rear side of the first limit plate, the one-way screw is rotatably connected in the slide groove, the second slider is threadedly connected to the one-way screw, and the second slider is slidably connected in the slide groove.

[0011] Preferably, the limiting mechanism includes a driving motor, a groove is opened inside the workbench, the driving motor is fixedly connected in the groove, the output end of the driving motor is connected to a second bidirectional screw through a coupling, the second bidirectional screw is rotatably connected in the groove, two third sliders are threadedly connected on the second bidirectional screw, the third slider is slidably connected in the groove, and the top of the third slider is fixedly connected to a second limiting plate, and the second limiting plate limits the I-leg from both sides.

[0012] Preferably, the I-shaped leg is located between the upper supporting plate and the lower supporting plate.

[0013] The beneficial effects are: a flipping mechanism is set up, and the vertical plate is raised to a certain height by controlling the hydraulic cylinder, and then the stepper motor is started. The stepper motor drives the rotating shaft to rotate, and the rotating shaft drives the first limit plate to clamp the I-beam leg to rotate, and the I-beam leg is flipped to facilitate welding of the bottom of the I-beam leg; a clamping mechanism is set on the first limit plate, and when flipping, the I-beam leg is supported by the clamping mechanism to improve stability during flipping; the clamping mechanism is movably connected to the first limit plate, so that after flipping, the clamping mechanism is removed to avoid affecting welding.

[0014] Additional technical features and advantages of the present invention will be more clearly explained in the following description, or can be understood through specific practice of the present invention. 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 following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of a clamping mechanism for processing an I-shaped leg according to the present invention;

[0017] Figure 2 This is a top view of a clamping mechanism for processing an I-shaped leg according to the present invention;

[0018] Figure 3 This is a right side view of the flip mechanism of the clamping mechanism for processing an I-leg according to the present invention;

[0019] Figure 4 This is a front view of the limiting mechanism of the clamping mechanism for processing an I-leg according to the present invention;

[0020] Figure 5 It is a rear view of the internal structure of the first limiting plate of the clamping mechanism for processing an I-shaped leg described in the utility model.

[0021] The accompanying drawings are described as follows: 1. Base plate; 2. Workbench; 3. I-leg; 401. Rotating motor; 402. First bidirectional screw rod; 403. First slider; 404. Hydraulic cylinder; 405. Vertical plate; 406. Rotating shaft; 407. First limit plate; 408. Stepper motor; 501. Servo motor; 502. One-way screw rod; 503. Second slider; 504. Upper support plate; 505. Lower support plate; 601. Drive motor; 602. Second bidirectional screw rod; 603. Third slider; 604. Second limit plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0024] The present invention will be further described below with reference to the accompanying drawings:

[0025] like Figure 1-Figure 5As shown, a clamping mechanism for processing an I-leg comprises a base plate 1, a mounting groove is provided in the base plate 1, a workbench 2 is fixedly connected to the top of the base plate 1, an I-leg 3 is placed on the workbench 2, a limiting mechanism is provided in the workbench 2, the limiting mechanism comprises a driving motor 601, a groove is provided inside the workbench 2, the driving motor 601 is bolted in the groove, the output end of the driving motor 601 is connected to a second bidirectional screw rod 602 through a coupling, the second bidirectional screw rod 602 is rotatably connected in the groove, and the second bidirectional screw rod 602 is screwed in The groove is connected to two third sliders 603, and the third sliders 603 are slidably connected in the groove. The top of the third slider 603 is fixedly connected to the second limit plate 604. The drive motor 601 is started, and the drive motor 601 drives the second bidirectional screw rod 602 to rotate. The second bidirectional screw rod 602 drives the two third sliders 603 to move toward each other. The third slider 603 drives the second limit plate 604 to move until the second limit plate 604 abuts against the I-leg 3. The second limit plate 604 limits the I-leg 3 from both sides.

[0026] A flipping mechanism is provided on the top of the base plate 1, and the flipping mechanism includes two symmetrically arranged first sliders 403, which are slidably connected in the mounting groove, and a hydraulic cylinder 404 is fixedly connected to the top of the first slider 403, and a vertical plate 405 is fixedly connected to the top of the hydraulic cylinder 404, and a rotating shaft 406 is rotatably connected in the vertical plate 405, and the end of the rotating shaft 406 is fixedly connected to the first limiting plate 407, and a stepping motor 408 is bolted to one of the first limiting plates 407, and the output end of the stepping motor 408 is connected to one of the rotating shafts 406 through a coupling, and the stepping motor 408 is started, and the stepping motor 408 drives the rotating shaft 406 to rotate, and the rotating shaft 406 drives the first limiting plate 407 to drive the I-leg 3 to flip, and the first limiting plate 407 and the I-leg 3 are raised to a suitable height by the hydraulic cylinder 404 to facilitate flipping.

[0027] The flipping mechanism also includes a power assembly, which is used to drive the two first sliders 403 to move toward or away from each other. The power assembly includes a rotating motor 401 bolted to the front side of the base plate 1. The output end of the rotating motor 401 is connected to the first bidirectional screw rod 402 through a coupling. The first bidirectional screw rod 402 is rotatably connected in the mounting groove. The first slider 403 is threadedly connected to the first bidirectional screw rod 402. When the rotating motor 401 is started, the rotating motor 401 drives the first bidirectional screw rod 402 to rotate, and the first bidirectional screw rod 402 drives the two first sliders 403 to move toward or away from each other.

[0028] A clamping mechanism is provided in the first limiting plate 407, which is used to clamp the I-beam leg 3 during flipping to improve stability during flipping. The clamping mechanism includes two second sliders 503 slidably connected to the rear side of the first limiting plate 407. The two second sliders 503 are distributed up and down. The rear sides of the two second sliders 503 are respectively connected to an upper support plate 504 and a lower support plate 505. The upper support plate 504 is located above, and the lower support plate 505 is located below. The upper support plate 504 and the lower support plate 505 are staggered, and the I-beam leg 3 is located between the upper support plate 504 and the lower support plate 505.

[0029] The clamping mechanism also includes two sets of drive components, which are used to individually drive the two second sliders 503 to move. The drive components include a servo motor 501 bolted to one side of the first limit plate 407. The output end of the servo motor 501 is connected to a one-way screw rod 502 through a coupling. A slide groove is provided on the rear side of the first limit plate 407. The one-way screw rod 502 is rotatably connected in the slide groove. The second slider 503 is threadedly connected to the one-way screw rod 502, and the second slider 503 is slidably connected in the slide groove.

[0030] Working principle: When in use, first place the I-shaped leg 3 on the top of the lower supporting plate 505, start the rotating motor 401, the rotating motor 401 drives the first bidirectional screw rod 402 to rotate, the first bidirectional screw rod 402 drives the two first sliders 403 to move towards each other, the first slider 403 drives the hydraulic cylinder 404 to drive the vertical plate 405 and the first limiting plate 407 to move until the first limiting plate 407 abuts against the front and rear side surfaces of the I-shaped leg 3, thereby limiting the I-shaped leg 3 in the front and rear directions, and then, start the driving motor 601 to drive The motor 601 drives the second bidirectional screw rod 602 to rotate, and the second bidirectional screw rod 602 drives the two third sliders 603 to move in the direction of approaching each other, and the third slider 603 drives the second limiting plate 604 to move until the second limiting plate 604 abuts against the I-shaped leg 3. The second limiting plate 604 limits the I-shaped leg 3 in the left and right directions, and then welding begins. When the upper and side surfaces of the I-shaped leg 3 are welded, the I-shaped leg 3 needs to be turned over. At this time, the driving motor 601 is reversed to make the second limiting plate 604 loosen the I-shaped leg 3. Then, one of the servo motors 501 is started, and the servo motor 501 drives the one-way screw 502 to rotate. The one-way screw 502 drives the second slider 503 to drive the upper support plate 504 to move to the top of the I-shaped leg 3. The upper support plate 504 and the lower support plate 505 support the I-shaped leg 3 to improve the stability during the flip. The hydraulic cylinder 404 is controlled to make the first limit plate 407 and the I-shaped leg 3 clamped between the first limit plates 407 rise to a suitable height. Then, the stepper motor 408 is started, and the stepper motor 408 drives the rotating shaft 406 Drive the first limit plate 407 and the I-beam leg 3 clamped between the two first limit plates 407 to rotate one hundred and eighty degrees, and flip the bottom of the I-beam leg 3 to the top. After the flip is completed, the upper support plate 504 is controlled by the hydraulic cylinder 404 to drive the I-beam leg 3 to descend until it abuts against the workbench 2. Then, start another servo motor 501, and the servo motor 501 drives the one-way screw rod 502 to rotate. The one-way screw rod 502 drives the second slider 503 to drive the lower support plate 505 to move, so that the lower support plate 505 moves to the side of the welding point to avoid affecting the welding.

[0031] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A clamping mechanism for processing an I-shaped leg, comprising a base plate (1), a mounting groove being provided in the base plate (1), a workbench (2) being fixedly connected to the top of the base plate (1), an I-shaped leg (3) being placed on the workbench (2), and a limiting mechanism being provided in the workbench (2), characterized in that: A flip mechanism is provided on the top of the base plate (1), and the flip mechanism comprises two symmetrically arranged first sliders (403), the first sliders (403) being slidably connected in the mounting groove, the top of the first sliders (403) being fixedly connected to a hydraulic cylinder (404), the top of the hydraulic cylinder (404) being fixedly connected to a vertical plate (405), a rotating shaft (406) being rotatably connected in the vertical plate (405), the end of the rotating shaft (406) being fixedly connected to a first limiting plate (407), one of the first limiting plates (407) being fixedly connected to a stepping motor (408), the output end of the stepping motor (408) being connected to one of the rotating shafts (406) via a coupling, the flip mechanism further comprising a power assembly, the power assembly being used to drive the two first sliders (403) to move in a direction of approaching or moving away from each other, a clamping mechanism being provided in the first limiting plate (407), the clamping mechanism being used to support the I-shaped leg (3) during flipping.

2. The clamping mechanism for processing an I-beam according to claim 1, characterized in that: The power assembly comprises a rotating motor (401) fixedly connected to the front side of the base plate (1); the output end of the rotating motor (401) is connected to a first bidirectional screw rod (402) via a coupling; the first bidirectional screw rod (402) is rotatably connected in the mounting groove; and the first slider (403) is threadedly connected to the first bidirectional screw rod (402).

3. The clamping mechanism for processing an I-beam according to claim 1, characterized in that: The clamping mechanism includes two second sliders (503) slidably connected to the rear side of the first limiting plate (407), the two second sliders (503) are distributed up and down, and the rear sides of the two second sliders (503) are respectively connected to an upper support plate (504) and a lower support plate (505), the upper one is located at the top, and the lower one is located at the bottom, and the upper support plate (504) and the lower support plate (505) are staggered. The clamping mechanism also includes two groups of driving components, and the driving components are used to separately drive the two second sliders (503) to move.

4. The clamping mechanism for processing an I-beam according to claim 3, characterized in that: The driving assembly includes a servo motor (501) fixedly connected to one side of the first limiting plate (407), the output end of the servo motor (501) is connected to a one-way screw rod (502) through a coupling, a sliding groove is provided on the rear side of the first limiting plate (407), the one-way screw rod (502) is rotatably connected in the sliding groove, and the second slider (503) is threadedly connected to the one-way screw rod (502), and the second slider (503) is slidably connected in the sliding groove.

5. The clamping mechanism for processing an I-beam according to claim 1, characterized in that: The limiting mechanism comprises a driving motor (601), a groove is provided inside the workbench (2), the driving motor (601) is fixedly connected in the groove, the output end of the driving motor (601) is connected to a second bidirectional screw rod (602) via a coupling, the second bidirectional screw rod (602) is rotatably connected in the groove, two third sliders (603) are threadedly connected on the second bidirectional screw rod (602), the third sliders (603) are slidably connected in the groove, a second limiting plate (604) is fixedly connected to the top of the third slider (603), and the second limiting plate (604) limits the I-shaped leg (3) from both sides.

6. The clamping mechanism for processing an I-beam according to claim 3, characterized in that: The I-shaped leg (3) is located between the upper supporting plate (504) and the lower supporting plate (505).

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