Automatic bag opening device

Abstract

The utility model relates to the technical field of packaging equipment, in particular to an automatic bag opening device which comprises a bottom adsorption device used for adsorbing the bottom of a packaging bag. The upper adsorption device is arranged above the bottom adsorption device, and the upper adsorption device comprises a vacuum suction cup used for adsorbing the upper top face of the packaging bag and a second driving device used for driving the vacuum suction cup to move to the packaging bag; the automatic bag opening device comprises two bag opening claws, and the two bag opening claws are used for supporting the two sides of a bag opening so that the bag opening can be kept in an open state; the automatic bag opening device further comprises two third driving devices used for driving the bag opening claws to move so that the bag opening claws can abut against the inner side wall of the bag opening. The packaging device has the advantage of being high in packaging efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of packaging equipment, and in particular to a bag-supporting device. Background Art

[0002] At present, in the LCD and OLED production industries, manual bagging is generally used to pack monitors, but the efficiency of manual bagging is low. Therefore, there is an urgent need for a device that can automatically support bags and pack to improve bagging efficiency. Utility Model Content

[0003] In order to improve the problems in the above-mentioned background technology, the present application provides an automatic bag-opening device.

[0004] The automatic bag-opening device provided in this application adopts the following technical solution:

[0005] An automatic bag-opening device, comprising

[0006] A bottom adsorption device, used for adsorbing the bottom of the packaging bag, the bottom adsorption device comprises an adsorption plate and a frame, the adsorption plate is mounted on the frame, the adsorption plate is used for placing the packaging bag, and the adsorption plate is provided with a plurality of adsorption holes for adsorbing the bottom surface of the packaging bag;

[0007] The edge pressing device comprises an edge pressing strip for pressing the edge of the bag opening against the adsorption plate and a driving device for driving the edge pressing strip to move up and down;

[0008] An upper adsorption device, the upper adsorption device is arranged above the bottom adsorption device, the upper adsorption device comprises a vacuum suction cup for adsorbing the upper surface of the packaging bag and a second driving device for driving the vacuum suction cup to move onto the packaging bag, at least two vacuum suction cups are provided, and are mounted on the second driving device through a mounting assembly;

[0009] An automatic bag-opening device, the automatic bag-opening device includes two bag-opening claws, and the two bag-opening claws respectively support the two sides of the bag opening so that the bag opening remains open; the automatic bag-opening device also includes two driving devices three for driving the bag-opening claws to move so that the bag-opening claws abut against the inner wall of the bag opening.

[0010] Preferably, the adsorption plate is an acrylic plate.

[0011] Preferably, the edge holding strip is L-shaped, the driving device is a cylinder, the piston rod of the cylinder is fixedly connected to the edge holding strip, the cylinder body of the cylinder is fixed on the frame, and the edge holding strip is driven by the cylinder to move obliquely downward and press against the edge of the bag opening.

[0012] Preferably, the second driving device is a first hydraulic cylinder, and the mounting assembly is mounted on the first hydraulic cylinder. The mounting assembly includes a mounting rod and a support rod. The mounting rod is fixed to the driving end of the first hydraulic cylinder. The support rod is horizontally arranged, and its middle section is fixedly connected to the mounting rod. Vacuum suction cups are mounted at both ends of the support rod in the length direction.

[0013] Preferably, the third driving device is a second hydraulic cylinder, and the moving direction of the piston rod of the second hydraulic cylinder is consistent with the length direction of the packaging bag; the bag-supporting claw includes a fixing part and a bending part. One end of the fixing part in the length direction is fixedly connected to the piston rod of the second hydraulic cylinder, and one end of the bending part in the length direction is fixedly connected to the mounting part, and the bending part is inclined toward the side close to the packaging bag.

[0014] Preferably, a round chamfer is provided at one end of the bending part away from the fixing part.

[0015] Preferably, an adjusting device is arranged below the third driving device, and the adjusting device is used to push the third driving device to move in the width direction of the packaging bag; a support beam is fixed on the frame, and the adjusting device is mounted on the support beam.

[0016] In summary, the present application includes at least one of the following beneficial technical effects: The bottom of the packaging bag is adsorbed and fixed by the bottom adsorption device, the packaging bag is opened by the upper adsorption device, and the bag opening is supported by the automatic bag-supporting device, so that the bag opening remains open, facilitating the placement of the products to be packaged, with high efficiency. Description of the Drawings

[0017] Figure 1 is an overall schematic diagram of an automatic bag-supporting device in an embodiment of the present application.

[0018] Description of the reference numerals: 1. Bottom adsorption device; 11. Adsorption plate; 111. Adsorption holes; 12. Frame; 2. Edge pressing device; 21. Edge pressing strip; 22. First driving device; 3. Upper adsorption device; 31. Vacuum suction cup; 32. Second driving device; 4. Bag-opening device; 41. Bag-supporting claw; 411. Fixing part; 412. Bending part; 4121. Round chamfer; 42. Third driving device; 5. Support beam; 6. Adjusting device; 7. Mounting assembly; 71. Mounting rod; 72. Support rod. Detailed Embodiment

[0019] The following is a further detailed description of the present application in conjunction with the attached Figure 1 drawings.

[0020] An embodiment of the present application discloses an automatic bag-supporting device. Refer to Figure 1, The bag supporting device includes a bottom adsorption device 1 for adsorbing the bottom of the packaging bag. The bottom adsorption device 1 includes an adsorption plate 11 and a frame 12. The adsorption plate 11 is an acrylic plate and is installed on the frame 12. The adsorption plate 11 is used for placing the packaging bag. A number of adsorption holes 111 for adsorbing the lower bottom surface of the packaging bag are provided on the adsorption plate 11. There are two adsorption holes 111, which are arranged at the bag mouth of the packaging bag. During operation, a negative pressure device (not shown in the figure) adsorbs and fixes the packaging bag on the adsorption plate 11 through the adsorption holes 111;

[0021] The edge pressing device 2 includes an edge pressing strip 21 for pressing the bag mouth edge against the adsorption plate 11 and a driving device 22 for driving the edge pressing strip 21 to move up and down. The edge pressing strip 21 is L-shaped, and the driving device 22 is a cylinder 1. The piston rod of the cylinder 1 is fixedly connected to the edge pressing strip 21, and the cylinder body of the cylinder 1 is fixed on the frame 12. The edge pressing strip 21 is driven by the cylinder 1 to move obliquely downward, so that the edge pressing strip 21 presses tightly against the bag mouth edge to fix the bag mouth;

[0022] The upper adsorption device 3 is arranged above the bottom adsorption device 1. The upper adsorption device 3 includes a vacuum chuck 31 for adsorbing the upper top surface of the packaging bag and a driving device 32 for driving the vacuum chuck 31 to move to the packaging bag. At least two vacuum chucks 31 are provided and are installed on the driving device 32 through a mounting component 7; The driving device 32 is a hydraulic cylinder 1. The hydraulic cylinder is installed on the frame 12 through a bracket. The mounting component 7 is installed on the hydraulic cylinder 1. The mounting component 7 includes a mounting rod 71 and a support rod 72. The mounting rod 71 is fixed at the driving end of the hydraulic cylinder 1. The support rod 72 is horizontally arranged, and its middle section is fixedly connected to the mounting rod 71. Vacuum chucks 31 are installed at both ends of the support rod 72 in the length direction. The vacuum chucks 31 are externally connected to a negative pressure pump (not shown in the figure). The upper side of the packaging bag is adsorbed by the vacuum chucks 31. The hydraulic cylinder 1 drives the mounting component 7 to move upward, and the mounting component 7 drives the vacuum chucks 31 to move upward, thereby opening the bag mouth;

[0023] The spreading device 4 includes two bag spreading claws 41 which respectively support both sides of the bag opening to keep the bag opening in an open state. The spreading device 4 further includes two driving devices three 42 for driving the bag spreading claws 41 to move so that the bag spreading claws 41 abut against the inner side wall of the bag opening. The driving device three 42 is a second hydraulic cylinder, and the movement direction of the piston rod of the second hydraulic cylinder is consistent with the length direction of the packaging bag. The bag spreading claw 41 includes a fixing part 411 and a bending part 412 which are integrally formed. One end of the fixing part 411 in the length direction is fixedly connected to the piston rod of the second hydraulic cylinder, and one end of the bending part 412 in the length direction is fixedly connected to the fixing part 411, and the bending part 412 is inclined towards the side close to the packaging bag. A round chamfer 4121 is provided at one end of the bending part 412 away from the fixing part 411 to prevent the bending part 412 from scratching the packaging bag.

[0024] A support beam 5 is fixed on the frame 12, and an adjusting device 6 is installed on the support beam 5. The adjusting device 6 is a third hydraulic cylinder, and the piston rod of the third hydraulic cylinder is connected to the driving device three 42, so as to drive the driving device three 42 to move in the width direction of the adsorption plate 11, and further adjust the position of the bag spreading claw 41 in the width direction of the adsorption plate 11 to adapt to packaging bags with different bag opening sizes.

[0025] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An automatic bag-opening device, characterized in that: include A bottom adsorption device (1) is used to adsorb the bottom of a packaging bag, the bottom adsorption device (1) comprising an adsorption plate (11) and a frame (12), the adsorption plate (11) being mounted on the frame (12), the adsorption plate (11) being used to place the packaging bag, and the adsorption plate (11) being provided with a plurality of adsorption holes (111) for adsorbing the bottom surface of the packaging bag; An upper adsorption device (3), the upper adsorption device (3) being arranged above the bottom adsorption device (1), the upper adsorption device (3) comprising a vacuum suction cup (31) for adsorbing the upper surface of the packaging bag and a second driving device (32) for driving the vacuum suction cup (31) to move onto the packaging bag, wherein at least two vacuum suction cups (31) are arranged and are mounted on the second driving device (32) via a mounting assembly (7); The opening device (4) comprises two bag-opening claws (41), wherein the two bag-opening claws (41) respectively support two sides of the bag opening so that the bag opening remains in an open state; the opening device (4) further comprises two driving devices (42) for driving the bag-opening claws (41) to move so that the bag-opening claws (41) abut against the inner side wall of the bag opening.

2. The automatic bag opening device according to claim 1, characterized in that: It also includes a pressing device (2), including a pressing strip (21) for pressing the edge of the bag opening against the adsorption plate (11) and a driving device (22) for driving the pressing strip (21) to move up and down.

3. The automatic bag-opening device according to claim 1, characterized in that: The adsorption plate (11) is an acrylic plate.

4. The automatic bag-opening device according to claim 2, characterized in that: The edge pressing strip (21) is L-shaped, and the driving device (22) is a cylinder (1). The piston rod of the cylinder (21) is fixedly connected to the edge pressing strip (21), and the cylinder body of the cylinder (12) is fixed on the frame (12). The cylinder (21) is driven by the cylinder (12) to move obliquely downward and make the edge pressing strip (21) press against the edge of the bag opening.

5. The automatic bag-opening device according to claim 1, characterized in that: The second driving device (32) is a hydraulic cylinder (1), the mounting assembly (7) is mounted on the hydraulic cylinder (1), the mounting assembly (7) comprises a mounting rod (71) and a support rod (72), the mounting rod (71) is fixed to the driving end of the hydraulic cylinder (1), the support rod (72) is arranged horizontally, and the middle section thereof is fixedly connected to the mounting rod (71), and vacuum suction cups (31) are mounted at both ends of the support rod (72) in the length direction.

6. The automatic bag-opening device according to claim 1, characterized in that: The driving device three (42) is a hydraulic cylinder two, and the movement direction of the piston rod of the hydraulic cylinder two is consistent with the length direction of the packaging bag; the bag-supporting claw (41) comprises a fixed part (411) and a bending part (412), one end of the length direction of the fixed part (411) is fixedly connected to the piston rod of the hydraulic cylinder two, and one end of the length direction of the bending part (412) is fixedly connected to the fixed part (411), and the bending part (412) is inclined to the side close to the packaging bag.

7. The automatic bag-opening device according to claim 6, characterized in that: One end of the bent portion (412) away from the fixing portion (411) is provided with a rounded chamfer (4121).

8. The automatic bag-opening device according to claim 7, characterized in that: An adjusting device (6) is provided under the driving device three (42), and the adjusting device (6) is used to push the driving device three (42) to move in the width direction of the packaging bag; a supporting beam (5) is fixed on the frame (12), and the adjusting device (6) is installed on the supporting beam (5).

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