Corner forming device of automatic paper box forming machine

Abstract

The utility model discloses a corner forming device of an automatic carton forming machine, which comprises a top plate, a rear shaft bracket and a front shaft bracket, the rear shaft bracket and the front shaft bracket are respectively mounted on two sides of the bottom end of the top plate, side shafts are rotatably mounted on two sides inside the rear shaft bracket and the front shaft bracket, and a side corner forming arm is mounted between the two side shafts on the same X-axis straight line. Two symmetrical middle shafts are rotationally installed on the outer wall of one side of the front axle bracket, and a gear transmission structure is installed between the two middle shafts. Two opposite folded plates on an opening of a carton can be turned and folded, a plurality of independent driving units are not needed, the number and complexity of parts in the device are reduced, the purchase and use cost of the device is reduced, the two opposite folded plates of the carton can be turned and folded at a time, and the production efficiency is improved. And the operation steps and time can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of paper box processing, in particular to a corner punching device of an automatic paper box forming machine. Background Art

[0002] Corner punching structure is an important process component in the carton forming process. Its function is to perform corner punching operation on the four folding plates on the upper or lower opening of the carton so that the four folding plates can be closed, thereby achieving the purpose of strengthening the carton structure and improving the stability and aesthetics of the carton. In the actual corner punching operation, a special corner punching machine is usually used for operation. The operator puts the carton into the corner punching machine, and through the pressure and angle control of the machine, the four folding plates of the carton are folded and pressed together to form a solid corner punching structure;

[0003] As disclosed in the authorization announcement number CN203779947U, a corner punching device for an automatic carton forming machine is composed of a front push cylinder, a side push cylinder and a right-angled plate. Among them, the front push cylinder and the side push cylinder are connected vertically. The side push cylinder is connected to the right-angled plate, and the direction in which one side of the right-angled plate extends out is consistent with the direction of the side push cylinder output, and the direction in which the other side extends out is consistent with the output direction of the front push cylinder. The front push cylinder pushes out the side push cylinder with the right-angled plate, so that the side of the right-angled plate whose extending direction is consistent with the output direction of the side push cylinder is attached to the carton, but the technical solution mainly relies on two cylinders to perform corner punching operation on a carton folding plate during use, so eight cylinders are needed to complete the corner punching and folding operation of four folding plates synchronously, and each cylinder requires an independent control system and adjustment device, and its use cost and later maintenance cost are relatively high. Utility Model Content

[0004] The purpose of the utility model is to provide a corner punching device for an automatic carton forming machine, in which a rotating drive unit drives two side corner punching arms to swing synchronously in opposite directions, thereby bend and fold two opposite folding plates on the carton opening 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 cornering device for an automatic paper box forming machine, comprising a top plate and a rear axle frame and a front axle frame respectively installed on both sides of the bottom end of the top plate, side shafts are rotatably installed on both sides of the interior of the rear axle frame and the front axle frame, a side cornering arm is installed between the two side shafts on the same X-axis straight line, two symmetrical center shafts are rotatably installed on the outer wall of one side of the front axle frame, a gear transmission structure is installed between the two center shafts, a pulley transmission structure is installed between the center shaft and one of the side shafts, a base is installed on the outer wall of one side of the front axle frame, and a rotation drive unit for driving one of the side shafts to rotate is installed at the bottom end of the base.

[0006] Preferably, the rotary drive unit includes a reducer installed at the bottom end of the base, and a motor installed on the outer wall of one side of the reducer, the output shaft of the motor is connected to the input shaft of the reducer, and the output shaft of the reducer is fixedly connected to one end of one of the side shafts.

[0007] Preferably, the gear transmission structure includes a synchronous gear plate fixed on the two intermediate shafts, and the two synchronous gear plates are meshed with each other.

[0008] Preferably, the side angle arm includes a swing arm installed at one end of the side shaft, and a connecting rod fixed between the two swing arms.

[0009] Preferably, a C-frame is integrally formed inside the rear axle frame, and a rear angle roller is rotatably installed inside the C-frame.

[0010] Preferably, the rear angle beating roller is made of rubber material.

[0011] Compared with the prior art, the beneficial effect of the utility model is that the corner-punching device of the automatic carton forming machine is provided with a rotating drive unit, a central shaft and other structures that cooperate with each other, and utilizes a rotating drive unit to drive the two side corner-punching arms to swing synchronously in opposite directions, so as to achieve corner-punching and folding of the two opposing folding plates on the carton opening. Such a design does not require multiple independent drive units, reduces the number and complexity of parts in the equipment, reduces the purchase and use costs of the device, and can perform corner-punching and folding of the two opposing folding plates of the carton at one time, which can effectively reduce the operation steps and time, and improve the carton forming efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0013] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0014] Figure 3 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 4 It is a side view structural schematic diagram of the utility model;

[0016] Figure 5 The three-dimensional structure of the utility model is shown in FIG. Figure 3 ;

[0017] In the figure: 1. top plate; 2. rear axle frame; 3. front axle frame; 4. base; 5. rotation drive unit; 501. reducer; 502. motor; 6. center shaft; 7. gear transmission structure; 8. side shaft; 9. pulley transmission structure; 10. side angle arm; 1001. swing arm; 1002. connecting rod; 11. C-mount frame; 12. rear angle roller. DETAILED DESCRIPTION

[0018] 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. 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.

[0019] See also Figure 1-5 The utility model provides an embodiment: a corner punching device for an automatic paper box forming machine, comprising a top plate 1 and a rear axle frame 2 and a front axle frame 3 respectively installed on both sides of the bottom end of the top plate 1, side shafts 8 are rotatably installed on both sides of the inside of the rear axle frame 2 and the front axle frame 3, a side corner punching arm 10 is installed between the two side shafts 8 on the same X-axis straight line, two symmetrical middle shafts 6 are rotatably installed on the outer wall of one side of the front axle frame 3, a gear transmission structure 7 is installed between the two middle shafts 6, a pulley transmission structure 9 is installed between the middle shaft 6 and one of the side shafts 8, a base 4 is installed on the outer wall of one side of the front axle frame 3, and a rotation drive unit 5 for driving one of the side shafts 8 to rotate is installed at the bottom end of the base 4;

[0020] The rotation driving unit 5 includes a reducer 501 installed at the bottom end of the base 4, and a motor 502 installed on the outer wall of one side of the reducer 501, the output shaft of the motor 502 is connected to the input shaft of the reducer 501, the output shaft of the reducer 501 is fixedly connected to one end of one of the side shafts 8, and the gear transmission structure 7 includes a synchronous toothed disc fixed on two center shafts 6, and the two synchronous toothed discs are meshed with each other;

[0021] During the operation of the rotary drive unit 5, the rotary power of the motor 502 is transmitted to one of the side shafts 8 through the reducer 501. The reducer 501 can convert the high-speed rotation of the motor 502 into the required low-speed and high-torque rotation, thereby improving the power transmission efficiency and ensuring the stable deflection of the two side angle arms 10 arranged opposite to each other.

[0022] A C-shaped frame 11 is integrally formed inside the rear axle frame 2, and a rear cornering roller 12 is rotatably installed inside the C-shaped frame 11. When the carton is sent out of the device, the rear cornering roller 12 can stack a folding plate in the Y-axis direction of the carton, thereby realizing the synchronous cornering function of the three folding plates of the carton. The rear cornering roller 12 is made of a rubber material. The rubber rear cornering roller 12 can contact the carton more gently, reducing friction and scratches on the surface of the carton.

[0023] The side corner arm 10 includes a swing arm 1001 installed at one end of the side shaft 8, and a connecting rod 1002 fixed between the two swing arms 1001. The swing arm 1001 is driven by the side shaft 8 to swing, and then the connecting rod 1002 contacts the carton folding plate to achieve the purpose of corner folding.

[0024] When the embodiment of the present application is in use, first, the cornering device can be arranged on the conveyor line where the carton is initially formed. At this time, the top opening of the carton forms four unfolded and closed folding plates. After the conveyor line conveys the carton to the device, the conveyor line stops working. The implementation of this step can be achieved in conjunction with a belt conveyor, a photoelectric switch and a PLC control panel. Then, the rotary drive unit 5 in the device is actuated, so that the rotational power of the rotary drive unit 5 is first transmitted to one of the side shafts 8, and the rotational power of the side shaft 8 is transmitted to the central shaft 6 through the pulley transmission structure 9, and then the gear transmission structure 7 and the other pulley transmission structure 9 drive the other opposite side shaft 8 to rotate. At this time, the two side shafts 8 rotate synchronously and in opposite directions. The central shaft 6, the gear transmission structure 7, the pulley transmission structure 9 and other structural settings ensure that there is a gap between the two side shafts 8 and the two side cornering arms 10. The two side cornering arms 10 can rotate synchronously in opposite directions under the drive of the side shaft 8, and the side cornering arms 10 can be used to actively bend the carton folding plates, so that the two opposite straight folding plates are closed and folded. The staff can arrange another set of the device behind the device. The extension line of the side cornering arm 10 in the other set of the device is perpendicular to the feeding direction of the conveyor line, so as to bend and fold the other two opposite folding plates on the carton, and drive the two side cornering arms 10 to swing synchronously in opposite directions through a rotating drive unit 5, so as to achieve bend and fold the two opposite folding plates on the carton opening. Such a design does not require multiple independent drive units, reduces the number and complexity of parts in the equipment, reduces the purchase and use costs of the device, and can bend and fold the two opposite folding plates of the carton at one time, which can effectively reduce the operation steps and time, and improve the carton forming efficiency.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A corner punching device for an automatic carton forming machine, characterized in that: The invention comprises a top plate (1) and a rear axle frame (2) and a front axle frame (3) respectively mounted on both sides of the bottom end of the top plate (1); side shafts (8) are rotatably mounted on both sides of the inside of the rear axle frame (2) and the front axle frame (3); a side angle arm (10) is mounted between two side shafts (8) on the same X-axis straight line; two symmetrical middle shafts (6) are rotatably mounted on the outer wall of one side of the front axle frame (3); a gear transmission structure (7) is mounted between the two middle shafts (6); a pulley transmission structure (9) is mounted between the middle shaft (6) and one of the side shafts (8); a base (4) is mounted on the outer wall of one side of the front axle frame (3); and a rotation drive unit (5) for driving one of the side shafts (8) to rotate is mounted at the bottom end of the base (4).

2. The corner punching device of the automatic carton forming machine according to claim 1, characterized in that: The rotary drive unit (5) comprises a reducer (501) mounted at the bottom end of the base (4), and a motor (502) mounted on an outer wall of one side of the reducer (501), wherein an output shaft of the motor (502) is connected to an input shaft of the reducer (501), and the output shaft of the reducer (501) is fixedly connected to one end of one of the side shafts (8).

3. The corner punching device of the automatic carton forming machine according to claim 1, characterized in that: The gear transmission structure (7) comprises a synchronous gear plate fixed on the two intermediate shafts (6), and the two synchronous gear plates are meshed with each other.

4. The corner punching device of the automatic carton forming machine according to claim 1, characterized in that: The side angle arm (10) comprises a swing arm (1001) mounted on one end of the side shaft (8), and a connecting rod (1002) fixed between two of the swing arms (1001).

5. The corner punching device of the automatic carton forming machine according to claim 1, characterized in that: A C-shaped frame (11) is integrally formed inside the rear axle frame (2), and a rear angle roller (12) is rotatably mounted inside the C-shaped frame (11).

6. The corner punching device of the automatic carton forming machine according to claim 5, characterized in that: The rear angle beating roller (12) is made of a rubber material.

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