Feeding device for grabbing and unfolding packaging box

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By designing a feeding device with a stepper motor and swing arm, the problem of insufficient movement distance during long-term continuous grabbing of the unboxing device is solved, and the stable suction cup and carton of the grab device are effectively deployed and loaded.

CN222611534UActive Publication Date: 2025-03-14CHENGDU ZHONGGUANG DISINFECTANT CO LTD

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Patent Information

Application Number: CN202421406015.3
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-06-19
Publication Date: 2025-03-14
Estimated Expiration: 2034-06-19

AI Technical Summary

Technical Problem

When the existing unboxing device continuously grabs the carton for a long time, the transmission structure is prone to insufficient movement distance, which leads to the inability to effectively suction the carton for the carton, affecting the loading stability.

Method used

A feeding device is designed, which drives the transmission gear and gear shaft to rotate through a stepper motor, and drives the swing arm to swing, so that the moving rod moves horizontally on the slider frame, ensuring that the grasping device can move a sufficient distance to absorb the carton, and realizes the expansion and loading of the carton through the cooperation of arcuate tracks and cylinders.

Benefits of technology

It improves the stability of long-term continuous grabbing of cartons, ensures that the grabbing device can effectively suction the cartons, and improves the efficiency of carton expansion and loading.

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Abstract

The utility model discloses a feeding device for grabbing and unfolding a packaging box. The device comprises a device body, one side of the device body is rotationally connected with a feeding door device, a first sliding rod frame is fixedly installed on the inner wall of the device body, the outer wall of the first sliding rod frame is slidably connected with a moving rod, and a grabbing device is fixedly installed on one side of the moving rod; the other end of the moving rod is fixedly connected with a fixing head, and a stepping motor is fixedly installed on the inner wall of the device body. The stepping motor drives the transmission gear and the gear shaft to rotate, the gear shaft drives the swing arm to swing, the fixed head at one end of the movable rod moves in the movable groove in one end of the swing arm, and therefore the effect that the movable rod horizontally moves on the first sliding rod frame is achieved; and it is guaranteed that the grabbing device can move by a long enough distance to suck the cartons for feeding, and the stability of long-time continuous grabbing is improved.

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Description

Technical Field

[0001] The utility model relates to the technical field of box openers, in particular to a feeding device for grabbing and unfolding a packaging box. Background Art

[0002] The fully automatic carton opener is a special equipment that can automatically open the carton, form the carton, fold the bottom flaps, and currently complete the lower part of the tape sticking. It can automatically open the cardboard box board, fold the bottom of the box according to a certain procedure, and seal it with tape before conveying it to the case packing machine. The automatic carton opener is an assembly line equipment that can automatically open large quantities of cartons, automatically fold the lower cover, and automatically seal the bottom tape.

[0003] The existing device uses a gripping device to move horizontally to the carton for suction and gripping, and then moves backward to unfold the carton through an arc track. Since the moving path of the moving structure of the gripping device is long, the transmission structure will have a problem of insufficient moving distance after long-term continuous gripping, making it impossible for the suction cup of the gripping device to contact one side of the carton for suction and gripping. Therefore, a feeding device is needed to solve the problem of unstable mobile operation. Utility Model Content

[0004] The utility model aims to provide a feeding device for grabbing and unfolding a packaging box, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a loading device for grabbing and unfolding a packaging box, comprising a device main body, one side of the device main body is rotatably connected to a feed door device, the inner wall of the device main body is fixedly installed with a first sliding rod frame, the outer wall of the first sliding rod frame is slidably connected to a moving rod, one side of the moving rod is fixedly installed with a grabbing device, the other end of the moving rod is fixedly connected with a fixed head, the inner wall of the device main body is fixedly installed with a stepping motor, one end of the stepping motor is fixedly installed with a transmission gear, the inner wall of the device main body is rotatably connected with a gear shaft, the gear shaft and the transmission gear are meshed and connected, one end of the gear shaft is fixedly connected with a swing arm, one end of the swing arm is provided with a movable groove, and the fixed head is slidably connected in the movable groove.

[0006] By adopting the above technical solution, the stepper motor drives the transmission gear and the gear shaft to rotate, and the gear shaft drives the swing arm to swing, so that the fixed head at one end of the moving rod moves in the movable groove at one end of the swing arm, thereby achieving the effect of horizontally moving the moving rod on the first slide rod frame, ensuring that the grasping device can move a sufficiently long distance to absorb the carton for loading, thereby improving the stability of long-term continuous grasping.

[0007] Preferably, one end of the moving rod is fixedly connected to a support column, a slide rail is fixedly installed on the inner wall of the device body, and the bottom of the support column is slidably connected to the outer wall of the slide rail.

[0008] By adopting the above technical solution, the support column is slidably connected by installing a slide rail to support one end of the moving rod, so that the support column can slide with the movement of the moving rod, ensuring that one end of the moving rod can always be supported when the moving rod slides, thereby improving the stability of the moving rod when it moves and reducing the probability of the carton falling due to vibration.

[0009] Preferably, a second slide rod frame is fixedly installed on the inner wall of the device body, a movable seat is slidably connected to the outer wall of the second slide rod frame, an arc track is fixedly connected to one side of the movable seat, and a cylinder is fixedly installed on the inner wall of the device body, one end of the cylinder is fixedly connected to one side of the movable seat.

[0010] By adopting the above technical solution, the movable seat is pushed by the cylinder to move horizontally on the second slide rod frame, so that the arc track can be moved, and the turned box can be pushed for loading. At the same time, the unexpanded box is blocked after passing the entire end of the arc track, and the box is expanded under the arc contour.

[0011] Preferably, a folding device is fixedly installed on the bottom of the device body, and a transmission device is fixedly installed on one end of the device body.

[0012] By adopting the above technical solution, the bottom cover of the unfolded box body can be folded by the folding device, and when pushed by the arc track, it can be driven by the transmission device for transmission.

[0013] Preferably, the front end of the arc track is in an arc that bends toward one side of the stepping motor, and the rear end of the arc track is a straight line.

[0014] By adopting the above technical solution, the unfolded box is sucked by the grasping device, and when moving backward, one side of the box is blocked by the contour of the front arc track, so that the bending part of the box is unfolded. When the bending movement of the box stops, one side of the box rests on the straight side of the arc track, thereby achieving the effect of fully unfolding the box when moving.

[0015] Preferably, the folding device is located between the gripping device and the arc track, and a folding arm on one side of the folding device is flush with the straight portion of the arc track.

[0016] By adopting the above technical solution, when the box body is unfolded and placed above the folding device, the four bottom box covers of the box body will be moved by the folding arms that rotate upward, thereby achieving the folding and closing operation of the bottom box covers, which is convenient for fixing by the tape at the bottom of the transmission device.

[0017] Preferably, the stepper motor and the gear shaft are located below the middle section of the first slide rod frame.

[0018] By adopting the above technical solution, the stepper motor and the gear shaft can be installed below the middle section of the first slide rod frame, so that the swing arm can rotate around the gear shaft to ensure that the moving rod can be driven to move to the other end of the first slide rod frame, so that the grabbing device can move a specified distance to grab the carton, thereby improving the continuity and smoothness of long-term grabbing.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] (1) The stepper motor drives the transmission gear and the gear shaft to rotate, and the gear shaft drives the swing arm to swing, so that the fixed head at one end of the moving rod moves in the movable groove at one end of the swing arm, thereby achieving the effect of horizontally moving the moving rod on the first slide rod frame, ensuring that the grabbing device can move a long enough distance to suck the carton for loading, thereby improving the stability of long-term continuous grabbing;

[0021] (2) The box is moved backward by the grasping device, and one side is blocked by the contour of the front arc track, so that the box is unfolded at the bend. After the movement stops, the box can be fully unfolded. The cylinder pushes the moving seat to move horizontally on the second slide rod frame, so that the arc track can be moved and the turned box can be pushed to the transmission device for loading. The box can be unfolded and loaded by the same structure, which can improve the efficiency of unfolding and loading the box. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the device of the utility model;

[0023] Figure 2 It is a schematic diagram of the structure of part of the device of the utility model;

[0024] Figure 3 For the utility model Figure 2 Structural cross-section view;

[0025] Figure 4 For the utility model Figure 2 Top view of part of the structure.

[0026] In the figure: 1. device body; 2. feed door device; 3. first slide rod frame; 4. moving rod; 5. support column; 6. slide rail; 7. fixed head; 8. swing arm; 9. movable groove; 10. gear shaft; 11. stepper motor; 12. transmission gear; 13. grabbing device; 14. second slide rod frame; 15. moving seat; 16. arc track; 17. cylinder; 18. folding device; 19. transmission device. DETAILED DESCRIPTION

[0027] 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.

[0028] The following is combined with Figure 1-4 The utility model is described in further detail.

[0029] See also Figures 1 to 4 The utility model provides an embodiment: a feeding device for grabbing and unfolding a packaging box, comprising a device body 1, one side of the device body 1 is rotatably connected with a feeding door device 2, the feeding door device 2 is used to fix and place an unexpanded carton, the inner wall of the device body 1 is fixedly installed with a first sliding rod frame 3, the outer wall of the first sliding rod frame 3 is slidably connected with a moving rod 4, the moving rod 4 can slide on the first sliding rod frame 3, one side of the moving rod 4 is fixedly installed with a grabbing device 13, the grabbing device 13 can move with the moving rod 4, so that the grabbing device 13 can suck the carton for unfolding;

[0030] The other end of the moving rod 4 is fixedly connected to a fixed head 7, and a stepper motor 11 is fixedly installed on the inner wall of the device body 1. A transmission gear 12 is fixedly installed on one end of the stepper motor 11. The inner wall of the device body 1 is rotatably connected to a gear shaft 10, and the gear shaft 10 is meshingly connected to the transmission gear 12. The stepper motor 11 can control the rotation direction and rotation angle of the transmission gear 12, so that the gear shaft 10 can be installed at a specified angle for rapid rotation. A swing arm 8 is fixedly connected to one end of the gear shaft 10, and the swing arm 8 can rotate together with the gear shaft 10 to achieve the effect of swinging at one end. A movable groove 9 is provided at one end of the swing arm 8, and the fixed head 7 is slidably connected in the movable groove 9. When one end of the swing arm 8 swings, the fixed head 7 can move in the movable groove 9, thereby achieving the effect of moving the moving rod 4 on the first slide rod frame 3, ensuring that the grasping device 13 can move a sufficiently long distance to absorb the carton for loading, thereby improving the stability of long-term continuous grasping.

[0031] See also Figure 2 and Figure 3, one end of the moving rod 4 is fixedly connected to a support column 5 for supporting one end of the moving rod 4 so that the support column 5 can slide with the movement of the moving rod 4. A slide rail 6 is fixedly installed on the inner wall of the device body 1. The bottom of the support column 5 is slidably connected to the outer wall of the slide rail 6 to ensure that one end of the moving rod 4 can always be supported when the moving rod 4 slides, thereby improving the stability of the moving rod 4 when it moves and reducing the probability of the carton falling due to vibration. A second slide rod frame 14 is fixedly installed on the inner wall of the device body 1. A moving seat 15 is slidably connected to the outer wall of the second slide rod frame 14. A curved track 16 is fixedly connected to one side of the moving seat 15. The unexpanded box passes through The front end of the arc track 16 is blocked, and the box is unfolded under the arc profile. A cylinder 17 is fixedly installed on the inner wall of the device body 1. The cylinder 17 pushes the movable seat 15 to move horizontally on the second slide rod frame 14, so that the arc track 16 can be moved, and the turned box can be pushed for loading. One end of the cylinder 17 is fixedly connected to one side of the movable seat 15. A folding device 18 is fixedly installed on the bottom of the device body 1, and a transmission device 19 is fixedly installed on one end of the device body 1. The folding device 18 can fold the bottom box cover of the unfolded box, and when pushed by the arc track 16, it can be driven by the transmission device 19 for transmission.

[0032] See also Figure 4 The front end of the arc track 16 is curved toward the stepper motor 11, and the gripping device 13 sucks the unexpanded box. When moving backward, one side of the box is blocked by the contour of the front arc track 16, so that the box is unfolded at the bend. The rear end of the arc track 16 is straight. After the bending movement of the box stops, one side of the box is against the straight side of the arc track 16, so that the box is fully unfolded when moving. The folding device 18 is located between the gripping device 13 and the arc track 16, and the folding arm of one side of the folding device 18 is flush with the straight part of the arc track 16. The box is unfolded and placed on the folding device. After being placed above 18, the four bottom box covers of the box body will be moved by the rotating folding arm, thereby achieving the folding and closing operation of the bottom box covers, which is convenient for being fixed by the tape at the bottom of the transmission device 19. The stepper motor 11 and the gear shaft 10 are located below the middle section of the first slide bar frame 3. Installing the stepper motor 11 and the gear shaft 10 below the middle section of the first slide bar frame 3 can make the swing arm 8 rotate around the gear shaft 10, ensuring that it can drive the moving rod 4 to move to the other end of the first slide bar frame 3, so that the grasping device 13 can move a specified distance to grasp the carton, thereby improving the continuous smoothness of long-term grasping.

[0033] Working principle: When in use, the stepper motor 11 drives the transmission gear 12 and the gear shaft 10 to rotate, and the gear shaft 10 drives the swing arm 8 to swing, so that the fixed head 7 at one end of the moving rod 4 moves in the movable groove 9 at one end of the swing arm 8, and the grabbing device 13 will move to the feeding door device 2 together and the carton will be sucked by the suction cup;

[0034] Secondly, the stepper motor 11 rotates in the opposite direction by a certain angle to return the grabbing device 13, and the grabbing device 13 moves the box backward, and one side is blocked by the contour of the front arc track 16, so that the box is unfolded at the bend, and the box can be fully unfolded after the movement stops;

[0035] Finally, the cylinder 17 pushes the movable seat 15 to move horizontally on the second slide rod frame 14, so that the arc track 16 can be moved, and the turned box body can be pushed onto the transmission device 19 for loading.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A feeding device for grabbing and unfolding a packaging box, comprising a device body, characterized in that: A feeding door device is rotatably connected to one side of the device body, a first sliding rod frame is fixedly installed on the inner wall of the device body, and a moving rod is slidably connected to the outer wall of the first sliding rod frame; A grabbing device is fixedly installed on one side of the moving rod, and a fixing head is fixedly connected to the other end of the moving rod; A stepper motor is fixedly mounted on the inner wall of the device body, and a transmission gear is fixedly mounted on one end of the stepper motor; The inner wall of the device body is rotatably connected with a gear shaft, the gear shaft is meshed with the transmission gear, one end of the gear shaft is fixedly connected with a swing arm, one end of the swing arm is provided with a movable groove, and the fixed head is slidably connected in the movable groove.

2. A feeding device for grabbing and unfolding a packaging box according to claim 1, characterized in that: One end of the moving rod is fixedly connected to a support column, the inner wall of the device body is fixedly installed with a slide rail, and the bottom of the support column is slidably connected to the outer wall of the slide rail.

3. A feeding device for grabbing and unfolding a packaging box according to claim 1, characterized in that: A second slide rod frame is fixedly installed on the inner wall of the device body, a moving seat is slidably connected to the outer wall of the second slide rod frame, an arc track is fixedly connected to one side of the moving seat, and a cylinder is fixedly installed on the inner wall of the device body, one end of the cylinder is fixedly connected to one side of the moving seat.

4. A feeding device for grabbing and unfolding a packaging box according to claim 1, characterized in that: A folding device is fixedly installed at the bottom of the device body, and a transmission device is fixedly installed at one end of the device body.

5. A feeding device for grabbing and unfolding a packaging box according to claim 3, characterized in that: The front end of the arc track is in an arc shape bending toward one side of the stepping motor, and the rear end of the arc track is in a straight line.

6. A feeding device for grabbing and unfolding a packaging box according to claim 4, characterized in that: The folding device is located between the grabbing device and the arc track, and a folding arm on one side of the folding device is flush with the straight line portion of the arc track.

7. A feeding device for grabbing and unfolding a packaging box according to claim 1, characterized in that: The stepper motor and the gear shaft are located below the middle section of the first slide bar frame.