Stable metal plate grabbing device

Abstract

The utility model discloses a stable metal plate grabbing device which comprises a threaded connector, one end of the threaded connector is fixedly connected with one end of an air cylinder, the other end of the air cylinder is connected with a connecting disc through a threaded structure, and an adjusting air cylinder is fixedly installed on one side of the connecting disc. The driving end of the adjusting air cylinder slidably penetrates through the connecting disc and then is fixedly connected with an adjusting assembly, the adjusting assembly is connected with the two sides of a supporting column, the end of one side of the supporting column is fixedly connected with the connecting disc, the end of the other side of the supporting column is connected with a center suction cup through a thread structure, and adjusting suction cups are fixedly installed at the ends of the adjusting assembly through thread structures. The distance between the adjusting suction cup and the center suction cup is changed through the adjusting assembly, so that the adsorption grabbing area is increased, and the grabbing stability is guaranteed; and the distance between the center suction cup and the adjusting suction cup is adjustable, the suction cup can be adjusted to a proper position according to the size of the metal plate, and the suction cup can be conveniently suitable for the metal plates of different sizes while the stability of suction grabbing is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical equipment, in particular to a stable metal plate grabbing device. Background Art

[0002] In the sheet metal industry, metal sheets need to be grabbed during operation. Existing metal sheet grabbing devices usually use suction cups for adsorption and grabbing. After searching, the announcement number CN108580721A discloses a metal sheet placement and positioning frame with an automatic grabbing and discharging mechanism, including a frame, a rectangular support frame is fixed on the top surface of the top plate of the frame, and a mounting groove is provided on the middle bottom surface of the top plate of the frame. A plurality of telescopic cylinders are fixed on the top surface of the mounting groove, and the push rods of the telescopic cylinders pass through the top surface of the top plate of the frame and are fixed with a horizontal plate. A guide column is fixed on the bottom edge of the horizontal plate, and the guide column is inserted into the positioning socket on the top surface of the top plate of the frame. A main support frame is fixed on one side of the top plate of the frame, and a rotary servo motor is fixed on the bottom surface of the top plate of the main support frame. The output shaft of the rotary servo motor passes through the top plate of the main support frame and is fixed with a transverse beam.

[0003] The device achieves the adsorption and grasping of metal sheets by setting up multiple vacuum suction cups, but the position of the vacuum suction cups is fixed and cannot be adjusted. When grasping metal sheets of different sizes, the adsorption and grasping position of the suction cups is relatively fixed, which will cause uneven force on the suction cups and affect the adsorption force of the suction cups. For this reason, we propose a stable metal sheet grasping device to solve the above problems. Utility Model Content

[0004] The purpose of the present invention is to provide a stable metal sheet grabbing device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stable metal sheet grasping device, comprising a threaded connector, one end of the threaded connector is fixedly connected to one end of the cylinder, the other end of the cylinder is connected to a connecting plate through a threaded structure, an adjusting cylinder is fixedly installed on one side of the connecting plate, the driving end of the adjusting cylinder slides through the connecting plate and is fixedly connected to an adjusting assembly, the adjusting assembly is connected to both sides of the support column, one end of the support column is fixedly connected to the connecting plate, the other end of the support column is connected to a center suction cup through a threaded structure, and the ends of the adjusting assembly are fixedly installed with adjusting suction cups through a threaded structure.

[0006] Preferably, the threaded connector, cylinder, connecting plate and support column are all coaxially arranged.

[0007] Preferably, the adjustment assembly includes a movable ring and a fixed ring, the fixed ring is fixedly sleeved on one end of the support column, the movable ring is slidably sleeved on the other end of the support column, and the end of the movable ring away from the fixed ring is fixedly connected to the driving end of the adjustment cylinder.

[0008] Preferably, the adjusting assembly also includes an adjusting seat, an active connecting rod, a transmission connecting rod, a sliding mouth, an adjusting column, and a fixed seat. The adjusting seat is fixedly connected to the outer wall of the movable ring, the adjusting seat is hinged to one end of the active connecting rod, and the other end of the active connecting rod is hinged to one side of the adjusting column. A sliding mouth is provided on the other side of the adjusting column, and a cylindrical pin is slidably sleeved in the sliding mouth and the two ends of the cylindrical pin are respectively hinged to one end of the transmission connecting rod, and the other end of the transmission connecting rod is hinged to the fixed seat, and the fixed seat is fixedly connected to the outer wall of the fixed ring.

[0009] Preferably, the adjusting column is a T-shaped structure, and the ends of the adjusting column are fixedly connected to mounting plates, and the mounting plates are connected to the adjusting suction cups through threaded structures.

[0010] Preferably, the middle parts of the active connecting rod and the transmission connecting rod are cross-hinged, the active connecting rod and the transmission connecting rod are arranged in an X-shaped structure, and the active connecting rod and the transmission connecting rod are evenly distributed around the circumference with the support column as the center.

[0011] Compared with the prior art, the beneficial effects of the present invention are: by adjusting the component to change the distance between the adjusting suction cup and the central suction cup, the area of ​​adsorption and grasping is increased, and the stability during grasping is ensured; the adjustable distance between the central suction cup and the adjusting suction cup can be adjusted to a suitable position according to the size of the metal plate, while ensuring the stability of adsorption and grasping, it is convenient to adapt to different metal plate sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a structural schematic diagram of the utility model from another perspective.

[0014] In the figure: threaded connector 1, cylinder 2, connecting plate 3, adjusting cylinder 4, support column 5, adjusting assembly 6, adjusting seat 61, movable ring 62, active connecting rod 63, transmission connecting rod 64, sliding mouth 65, adjusting column 66, mounting plate 67, fixing ring 68, fixing seat 69, center suction cup 7, adjusting suction cup 8. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0016] Example 1

[0017] Reference Figure 1 、 2 , which is the first embodiment of the utility model, and provides a stable metal sheet grabbing device, including a threaded connector 1, one end of the threaded connector 1 is fixedly connected to one end of the cylinder 2, and the other end of the cylinder 2 is connected to the connecting disk 3 through a threaded structure. An adjusting cylinder 4 is fixedly installed on one side of the connecting disk 3, and the driving end of the adjusting cylinder 4 slides through the connecting disk 3 and is fixedly connected to the adjusting component 6. The adjusting component 6 is connected to both sides of the support column 5, one end of the support column 5 is fixedly connected to the connecting disk 3, and the other end of the support column 5 is connected to the center suction cup 7 through a threaded structure, and the ends of the adjusting component 6 are fixedly installed with adjusting suction cups 8 through threaded structures.

[0018] The utility model is installed on the conveying track of the metal sheet conveyor line through the threaded connector 1. When the metal sheet needs to be grabbed, the air cylinder 4 is adjusted to work according to the size of the metal sheet, and the adjusting cylinder 4 drives the adjusting component 6 to work, and the adjusting component 6 drives the installed adjusting suction cup 8 to move synchronously, and the adjusting suction cup 8 moves in the direction away from the center suction cup 7. At the same time, the adjusting suction cup 8 and the center suction cup 7 remain in the same plane, and then the air cylinder 2 descends to work, and the cylinder 2 drives the center suction cup 7 and the adjusting suction cup 8 to descend synchronously. The center suction cup 7 and the adjusting suction cup 8 both use vacuum suction cups, and they descend to the thickness of the metal sheet and stop, and then the center suction cup 7 and the adjusting suction cup 8 cooperate with each other to adsorb and grab the metal sheet, thereby increasing the area of ​​the adsorption position and ensuring the stability of the grabbing.

[0019] Example 2

[0020] Reference Figure 1-2 This is the second embodiment of the present utility model, which is based on the previous embodiment. Specifically, the threaded connector 1, the cylinder 2, the connecting plate 3, and the support column 5 are all coaxially arranged. The coaxial arrangement ensures stability during operation.

[0021] Specifically, the adjustment assembly 6 includes a movable ring 62 and a fixed ring 68. The fixed ring 68 is fixedly sleeved on one end of the support column 5, and the movable ring 62 is slidably sleeved on the other end of the support column 5. The end of the movable ring 62 away from the fixed ring 68 is fixedly connected to the driving end of the adjustment cylinder 4.

[0022] Furthermore, the adjustment assembly 6 also includes an adjustment seat 61, an active connecting rod 63, a transmission connecting rod 64, a sliding mouth 65, an adjustment column 66, and a fixed seat 69. The adjustment seat 61 is fixedly connected to the outer wall of the movable ring 62. The adjustment seat 61 is hinged to one end of the active connecting rod 63, and the other end of the active connecting rod 63 is hinged to one side of the adjustment column 66. A sliding mouth 65 is provided on the other side of the adjustment column 66. A cylindrical pin is slidably sleeved in the sliding mouth 65 and the two ends of the cylindrical pin are respectively hinged to one end of the transmission connecting rod 64. The other end of the transmission connecting rod 64 is hinged to the fixed seat 69, and the fixed seat 69 is fixedly connected to the outer wall of the fixed ring 68.

[0023] Furthermore, the adjusting column 66 is a T-shaped structure, and both ends of the adjusting column 66 are fixedly connected to the mounting plate 67 , and the mounting plate 67 is connected to the adjusting suction cup 8 through a threaded structure.

[0024] The adjusting cylinder 4 drives the adjusting assembly 6 to work, and the movable ring 62 of the adjusting assembly 6 slides outside the support column 5. The movable ring 62 drives the fixed adjusting seat 61 to move, and the adjusting seat 61 drives the hinged active link 63 to swing. The active link 63 cooperates with the hinged transmission link 64 to drive the adjusting column 66 to move in the direction away from the support column 5. The adjusting column 66 then drives the mounting plate 67 fixed at the end to move synchronously, and the mounting plate 67 drives the installed adjusting suction cup 8 to move synchronously, and the adjusting suction cup 8 moves in the direction away from the center suction cup 7. At the same time, the adjusting suction cup 8 and the center suction cup 7 remain in the same plane, and then the cylinder 2 descends to work, and the cylinder 2 drives the center suction cup 7 and the adjusting suction cup 8 to descend synchronously. The center suction cup 7 and the adjusting suction cup 8 both use vacuum suction cups. They descend until they stop in contact with the thickness of the metal plate, and then the center suction cup 7 and the adjusting suction cup 8 cooperate with each other to adsorb and grasp the metal plate, thereby increasing the area of ​​the adsorption position and ensuring the stability of the grasping.

[0025] Furthermore, the middle parts of the active connecting rod 63 and the transmission connecting rod 64 are cross-hinged, and the active connecting rod 63 and the transmission connecting rod 64 are arranged in an X-shaped structure. The active connecting rod 63 and the transmission connecting rod 64 are evenly distributed around the circumference with the support column 5 as the center.

[0026] Example 3

[0027] Reference Figure 1-2, which is the third embodiment of the present invention. This embodiment is based on the above two embodiments. When in use, the present invention is installed on the conveying track of the metal sheet conveyor line through the threaded connector 1. When the metal sheet needs to be grabbed, the adjusting cylinder 4 works according to the size of the metal sheet, and the adjusting cylinder 4 drives the adjusting component 6 to work. The movable ring 62 of the adjusting component 6 slides outside the support column 5, and the movable ring 62 drives the fixed adjusting seat 61 to move. The adjusting seat 61 drives the hinged active connecting rod 63 to swing. The active connecting rod 63 cooperates with the hinged transmission connecting rod 64 to drive the adjusting column 66 to move away from the support column 5. Move, the adjusting column 66 drives the mounting plate 67 fixed at the end to move synchronously, the mounting plate 67 drives the installed adjusting suction cup 8 to move synchronously, the adjusting suction cup 8 moves in the direction away from the center suction cup 7, and the adjusting suction cup 8 and the center suction cup 7 remain in the same plane, and then the cylinder 2 descends to work, and the cylinder 2 drives the center suction cup 7 and the adjusting suction cup 8 to descend synchronously, the center suction cup 7 and the adjusting suction cup 8 both adopt vacuum suction cups, and they descend to the thickness of the metal plate and stop, and then the center suction cup 7 and the adjusting suction cup 8 cooperate with each other to adsorb and grab the metal plate, which increases the area of ​​the adsorption position and ensures the stability of the grabbing.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stable metal sheet gripping device, comprising a threaded connector (1), characterized in that: One end of the threaded connector (1) is fixedly connected to one end of the cylinder (2), and the other end of the cylinder (2) is connected to the connecting disk (3) via a threaded structure. An adjusting cylinder (4) is fixedly installed on one side of the connecting disk (3). The driving end of the adjusting cylinder (4) slides through the connecting disk (3) and is fixedly connected to the adjusting assembly (6). The adjusting assembly (6) is connected to both sides of the support column (5). One end of the support column (5) is fixedly connected to the connecting disk (3), and the other end of the support column (5) is connected to a central suction cup (7) via a threaded structure. Both ends of the adjusting assembly (6) are fixedly installed with adjusting suction cups (8) via a threaded structure.

2. The stable metal sheet grabbing device according to claim 1, characterized in that: The threaded connector (1), cylinder (2), connecting plate (3), and supporting column (5) are all coaxially arranged.

3. The stable metal sheet grabbing device according to claim 1, characterized in that: The adjusting assembly (6) comprises a movable ring (62) and a fixed ring (68), wherein the fixed ring (68) is fixedly sleeved on one end of the supporting column (5), and the movable ring (62) is slidably sleeved on the other end of the supporting column (5), and the end of the movable ring (62) away from the fixed ring (68) is fixedly connected to the driving end of the adjusting cylinder (4).

4. The stable metal sheet grabbing device according to claim 3, characterized in that: The adjustment assembly (6) further comprises an adjustment seat (61), an active connecting rod (63), a transmission connecting rod (64), a sliding mouth (65), an adjustment column (66), and a fixed seat (69). The adjustment seat (61) is fixedly connected to the outer wall of the movable ring (62). The adjustment seat (61) is hinged to one end of the active connecting rod (63). The other end of the active connecting rod (63) is hinged to one side of the adjustment column (66). A sliding mouth (65) is provided on the other side of the adjustment column (66). A cylindrical pin is slidably sleeved in the sliding mouth (65), and the two ends of the cylindrical pin are respectively hinged to one end of the transmission connecting rod (64). The other end of the transmission connecting rod (64) is hinged to the fixed seat (69). The fixed seat (69) is fixedly connected to the outer wall of the fixed ring (68).

5. The stable metal sheet grabbing device according to claim 4, characterized in that: The adjusting column (66) is a T-shaped structure, and the ends of the adjusting column (66) are fixedly connected to the mounting disc (67), and the mounting disc (67) is connected to the adjusting suction cup (8) through a threaded structure.

6. The stable metal sheet grabbing device according to claim 5, characterized in that: The middle parts of the active connecting rod (63) and the transmission connecting rod (64) are cross-hinged and arranged, and the active connecting rod (63) and the transmission connecting rod (64) are arranged in an X-shaped structure. The active connecting rod (63) and the transmission connecting rod (64) are evenly distributed around the circumference with the support column (5) as the center.

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