Automatic box sealing mechanism

Abstract

The utility model discloses an automatic carton sealing mechanism, and particularly relates to the technical field of carton sealing, the automatic carton sealing mechanism comprises a conveying mechanism used for conveying a carton, the outer ends of two first supporting plates are fixedly provided with the same first U-shaped frame, the first U-shaped frame is internally provided with a first moving mechanism, and the bottom of the moving plate is provided with a carton sealing mechanism used for carton sealing. The position heights of the movable plate and the pressing plate are adjusted according to the height of a carton needing to be sealed, then the carton is conveyed, the pressing plate is used for pressing and folding a paperboard at the sealing position of the carton downwards to enable the paperboard to be in a flat state, and the carton can be conveniently sealed through an adhesive tape. Carton sealing operation can be carried out on cartons of different heights and sizes, and the application range of the carton sealing device is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of carton sealing, in particular to an automatic carton sealing mechanism. Background Art

[0002] With the continuous progress of society and technology, various products are paying more and more attention to packaging. In order to make packaging easier, various sealing equipment has appeared in our field of vision. Sealing equipment is mostly used in various corporate factories.

[0003] A Chinese patent application with publication number CN218199140U discloses an improved automatic carton sealing machine, including a conveyor and two tape sealers, which push the extrusion plate to move to the right through a compression spring, and use a distance sensor to detect the distance between the distance sensor and the slide. When the distance between the distance sensor and the slide reaches the set distance, the controller controls the adjustment motor to work, and the adjustment motor drives the screw to rotate. The screw rotates the convex block to slide inside the convex groove, so that another tape sealer moves to the middle position on the right side of the top plate, and the box body is sealed by another tape sealer. In this way, during the automatic sealing process, the staff can replace the tape in time to avoid delaying the sealing time and improve the sealing efficiency. However, in the above technical solution, when sealing, the distance of the tape is fixed, and only cartons with a fixed height can be sealed, which has certain limitations. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic carton sealing mechanism, which adjusts the position height of a movable plate and a pressing plate according to the height of the carton to be sealed, and then conveys the carton and uses the pressing plate to press the cardboard at the sealing position of the carton downward and flat, so as to facilitate the carton sealing operation with an adhesive tape. The utility model adjusts the position of the adhesive tape according to the height of the carton, and can seal cartons of different heights and sizes, thereby expanding the scope of use of the utility model to solve the above-mentioned deficiencies in the technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic box sealing mechanism, comprising a conveying mechanism for conveying cartons, wherein the outer ends of the two first support plates are fixed with the same first U-shaped frame and the same second U-shaped frame, and the second U-shaped frame is located on the right side of the first U-shaped frame;

[0006] A first moving mechanism is provided inside the first U-shaped frame;

[0007] The first moving mechanism comprises two first threaded rods arranged at the front and rear sides of the first U-shaped frame, the top and bottom ends of the first threaded rods are movably connected to the first U-shaped frame through bearings, and a same moving plate is threadedly connected between the two first threaded rods;

[0008] A box sealing mechanism for sealing boxes is provided at the bottom of the movable plate;

[0009] The box sealing mechanism includes a delay switch fixedly arranged on the right side of the bottom of the movable plate, a contact rod is arranged at the bottom of the delay switch, a pressure roller is fixedly arranged at the bottom end of the contact rod, second support columns are arranged at the front and rear ends of the pressure roller, the top end of the second support column is fixedly connected to the bottom of the movable plate, a slide groove is arranged on the side close to the two second support columns, the front and rear ends of the pressure roller are inserted into the slide groove, springs are fixedly arranged inside the two second support columns, and the bottom ends of the two springs are respectively fixedly connected to the left and right ends of the pressure roller;

[0010] An electric push rod is arranged on the left side of the delay switch, the top of the electric push rod is fixedly connected to the bottom of the moving plate, and a rubber cutting knife is fixedly arranged on the bottom of the electric push rod.

[0011] Preferably, two second support plates are provided on the left side of the electric push rod, the same tape is provided between the two second support plates, a bolt is provided on the front side of the second support plate located on the front side, the rear end of the bolt penetrates the tape and extends into the second support plate located on the rear side, and the bolt is connected to the two second support plates by threads, so as to facilitate the replacement of the tape.

[0012] Preferably, first pulleys are fixedly provided on the outside of the top ends of the two first threaded rods, and the same first belt is connected between the two first pulleys for driving the two first threaded rods to rotate together.

[0013] Preferably, the left and right ends of the two first support plates are movably connected to the second rotating shaft through bearings, the outer ends of the two second rotating shafts are fixedly provided with the first rotating shaft, the same conveyor belt is connected between the two first rotating shafts, the rear end of the second rotating shaft on the right side passes through the first support plate and extends out of the rear side of the first support plate, and the rear end of the second rotating shaft on the right side is fixedly provided with a first motor for automatically conveying the movement of the carton;

[0014] First support columns are fixedly provided at the bottoms of the left and right ends of the two first support plates, so that the utility model can stand on the ground.

[0015] Preferably, a second moving mechanism for folding the opening of the carton is provided inside the second U-shaped frame;

[0016] The second moving mechanism comprises two second threaded rods arranged at the front and rear sides of the second U-shaped frame, the top and bottom ends of the second threaded rods are movably connected to the second U-shaped frame through threads, the top ends of the two second threaded rods are fixed with second pulleys, the same second belt is arranged between the two second pulleys, and the same pressing plate is threadedly connected between the two second threaded rods for driving the pressing plate to move and press and fold the sealing part of the carton flat;

[0017] The top ends of the first threaded rod and the second threaded rod located at the rear side respectively penetrate the top ends of the first U-shaped frame and the second U-shaped frame and extend out of the top ends of the first U-shaped frame and the second U-shaped frame.

[0018] Preferably, a driving mechanism for driving the first moving mechanism and the second moving mechanism to rotate together is provided on the top of the first U-shaped frame and the second U-shaped frame;

[0019] The driving mechanism includes a second motor fixedly arranged at the top of the first threaded rod on the rear side, and third pulleys are fixedly arranged at the top of the first threaded rod and the second threaded rod on the rear side. The same third belt is connected between the two third pulleys to drive the first moving mechanism and the second moving mechanism to move together.

[0020] Preferably, a PLC controller is fixedly provided at the left end of the front side of the first support plate located at the front side, for controlling the opening and closing of the first motor and the second motor.

[0021] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0022] 1. Put the carton on the conveyor belt and start the first motor, then start the second motor to drive the movable plate and the pressing plate to move up and down together, and adjust the height of the movable plate and the pressing plate according to the height of the carton, so that when the carton moves to the bottom of the pressing plate, the pressing plate can press the cardboard at the sealing of the carton downward, so that the cardboard at the sealing becomes flat, which is convenient for sealing the carton. The utility model can adjust the position of the tape according to the height of the carton, and can seal cartons of different heights and sizes, thereby expanding the scope of use of the utility model;

[0023] 2. After being folded, the carton is conveyed to the bottom of the movable plate, and then the bottom end of the tape will stick to the right side of the carton and follow the movement of the carton to seal the top of the carton. The carton continues to be conveyed to the right and the top is rolled by the pressure roller, which makes the tape and the carton seal bonded more tightly to prevent the tape from falling off the carton seal. During the rolling process, the pressure roller drives the top of the contact rod to contact the delay switch and start the electric push rod, so that the electric push rod can drive the glue cutter to move downward and cut the tape, completing automatic sealing, realizing automatic sealing operation, and improving the working efficiency of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0025] Figure 1 It is a front view of the utility model;

[0026] Figure 2 It is a left view of the utility model;

[0027] Figure 3 It is a schematic diagram of the transmission mechanism structure of the utility model;

[0028] Figure 4 This is a cross-sectional view of a second U-shaped frame of the present utility model;

[0029] Figure 5 This is a cross-sectional view of a first U-shaped frame of the utility model;

[0030] Figure 6 This is a cross-sectional view of the movable plate and the second support column of the utility model.

[0031] Description of reference numerals:

[0032] 1 conveying mechanism, 101 first supporting plate, 102 conveyor belt, 103 first rotating shaft, 104 second rotating shaft, 105 first motor, 106 first supporting column, 2 first U-shaped frame, 3 second U-shaped frame, 4 first moving mechanism, 401 first threaded rod, 402 moving plate, 403 first pulley, 404 first belt, 5 sealing mechanism, 501 second supporting plate, 502 tape, 503 bolt, 504 electric push rod, 505 glue cutter, 506 second supporting column, 507 pressure roller, 508 spring, 509 contact rod, 510 delay switch, 6 second moving mechanism, 601 second threaded rod, 602 second pulley, 603 second belt, 604 pressure plate, 7 driving mechanism, 701 second motor, 702 third pulley, 703 third belt, 8 PLC controller. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0034] The utility model provides Figure 1-5An automatic carton sealing mechanism shown includes a conveying mechanism 1 for conveying cartons, wherein the conveying mechanism 1 includes two first support plates 101 distributed front and back, the left and right ends of the two first support plates 101 are movably connected with second rotating shafts 104 through bearings, the outer ends of the two second rotating shafts 104 are fixed with first rotating shafts 103, the two first rotating shafts 103 are connected with the same conveyor belt 102, the rear end of the second rotating shaft 104 on the right side passes through the first support plate 101 and extends out of the rear side of the first support plate 101, the rear end of the second rotating shaft 104 on the right side is fixed with a first motor 105, the bottoms of the left and right ends of the two first support plates 101 are fixed with first support columns 106, and the left end of the front side of the first support plate 101 on the front side is fixed with a PLC controller 8;

[0035] And, if Figure 1-2 As shown, the outer ends of the two first support plates 101 are fixed with the same first U-shaped frame 2 and the same second U-shaped frame 3, and the second U-shaped frame 3 is located on the right side of the first U-shaped frame 2;

[0036] In order to make the top opening of the carton flat, Figure 2 and Figure 4 As shown, a second moving mechanism 6 for pressing and folding the opening of the carton is provided inside the second U-shaped frame 3, and the second moving mechanism 6 includes two second threaded rods 601 provided on the front and rear sides of the second U-shaped frame 3, and the top and bottom ends of the second threaded rods 601 are both movably connected to the second U-shaped frame 3 through threads, and second pulleys 602 are fixedly provided on the tops of the two second threaded rods 601, and the same second belt 603 is provided between the two second pulleys 602, and the same pressing plate 604 is threadedly connected between the two second threaded rods 601;

[0037] When in use, first adjust the height position of the pressing plate 604 according to the height of the carton to be sealed, and drive the second threaded rod 601 on the left side to rotate, and the tops of the two second threaded rods 601 are fixed with second pulleys 602, and the same second belt 603 is provided between the two second pulleys 602, so that the two second threaded rods 601 can rotate together under the action of the second belt 603, thereby driving the pressing plate 604 to move and adjust the pressing plate 604 to a suitable height before stopping, and then start the first motor 105 through the PLC controller 8 and drive the second rotating shaft on the right side. 104 rotates, and the left and right ends of the two first support plates 101 are movably connected with the second rotating shaft 104 through bearings, the outer ends of the two second rotating shafts 104 are fixed with the first rotating shaft 103, and the same conveyor belt 102 is connected between the two first rotating shafts 103, so the second rotating shaft 104 drives the first rotating shaft 103 to rotate together when rotating, and drives the first rotating shaft 103 and the second rotating shaft 104 on the left side to rotate together through the conveyor belt 102, and makes the conveyor belt 102 rotate together with the rotation of the two first rotating shafts 103, so that cartons can be placed on the conveyor belt 102 and conveyed;

[0038] To facilitate the sealing of the carton, the carton is conveyed to the bottom of the pressing plate 604 under the operation of the conveyor belt 102, and the cardboard at the sealing point on the top of the carton will contact the bottom of the pressing plate 604, and the pressing plate 604 will be used to flatten the cardboard at the sealing point, so that the cardboard sealing point becomes smoother, which is conducive to the next step of sealing operation and facilitates the carton sealing operation.

[0039] After the cardboard at the carton sealing point is folded flat, the carton needs to be sealed. Figure 1 , Figure 5 and Figure 6 As shown, a first moving mechanism 4 is provided inside the first U-shaped frame 2, and the first moving mechanism 4 includes two first threaded rods 401 provided on the front and rear sides of the first U-shaped frame 2, the top and bottom ends of the first threaded rods 401 are movably connected to the first U-shaped frame 2 through bearings, a same moving plate 402 is threadedly connected between the two first threaded rods 401, first pulleys 403 are fixedly provided on the outside of the top ends of the two first threaded rods 401, and a same first belt 404 is connected between the two first pulleys 403;

[0040] Specifically, Figure 5 and Figure 6As shown, a sealing mechanism 5 for sealing a box is provided at the bottom of the movable plate 402, and the sealing mechanism 5 includes a delay switch 510 fixedly arranged on the right side of the bottom of the movable plate 402, a contact rod 509 is provided at the bottom of the delay switch 510, a pressure roller 507 is fixedly arranged at the bottom end of the contact rod 509, and a second support column 506 is provided at both the front and rear ends of the pressure roller 507, the top of the second support column 506 is fixedly connected to the bottom of the movable plate 402, and a slide groove is provided on the side close to the two second support columns 506, and the front and rear ends of the pressure roller 507 are plugged into the slide groove, and springs 508 are fixedly arranged inside the two second support columns 506, and the two springs The bottom ends of 508 are respectively fixedly connected to the left and right ends of the pressure roller 507, an electric push rod 504 is arranged on the left side of the delay switch 510, the top of the electric push rod 504 is fixedly connected to the bottom of the movable plate 402, a rubber cutting knife 505 is fixedly arranged on the bottom of the electric push rod 504, two second support plates 501 are arranged on the left side of the electric push rod 504, a same adhesive tape 502 is arranged between the two second support plates 501, a bolt 503 is arranged on the front side of the second support plate 501 located on the front side, the rear end of the bolt 503 penetrates the adhesive tape 502 and extends into the second support plate 501 located on the rear side, and the bolt 503 is connected to the two second support plates 501 by threads;

[0041] After being folded by the pressing plate 604, the carton is transferred to the bottom of the movable plate 402. By moving the position of the movable plate 402, the sealing mechanism 5 can be driven to move synchronously, so that the position height of the sealing mechanism 5 can be adjusted according to the different heights of the carton and the carton sealing operation can be performed on the carton of different heights.

[0042] When the right side of the carton is transferred to the left end of the movable plate 402, the bottom end of the adhesive tape 502 will be bonded to the right side of the carton, and then the top of the carton will be sealed following the moving direction of the carton. During the sealing process, the carton moves to the bottom of the pressing roller 507 and contacts the bottom of the pressing roller 507, so that the pressing roller 507 can roll the adhesive tape 502 at the sealing of the carton, expel the air between the adhesive tape 502 and the carton, make the adhesive tape 502 and the carton bond more tightly, prevent the adhesive tape 502 from falling off the carton, and avoid causing the carton sealing. The carton is not tight, and the pressure roller 507 is driven upward by the force when rolling the carton, so that the contact rod 509 on the top of the pressure roller 507 also moves upward and contacts the delay switch 510, so that the delay switch 510 starts the electric push rod 504 to move downward and drives the glue cutter 505 to move downward together. After the set time, the carton sealing operation is completed, and the glue cutter 505 will move downward and cut the connection between the tape 502 and the carton to complete the automatic sealing, realize the automatic sealing operation, and improve the sealing efficiency of the utility model;

[0043] To facilitate replacement of the tape 502, the user rotates the bolt 503 to remove the bolt 503 from between the two second support plates 501, then places a new tape 502 between the two second support plates 501, and passes the bolt 503 through the second support plates 501 and the tape 502, and finally tightens the bolt 503 to conveniently replace the tape 502.

[0044] To facilitate the adjustment of the height of the movable plate 402 and the pressing plate 604, Figure 1-2 and Figure 4-5 As shown, the top ends of the first threaded rod 401 and the second threaded rod 601 located at the rear side respectively penetrate the top ends of the first U-shaped frame 2 and the second U-shaped frame 3 and extend out of the top ends of the first U-shaped frame 2 and the second U-shaped frame 3, and the top ends of the first U-shaped frame 2 and the second U-shaped frame 3 are provided with a driving mechanism 7 for driving the first moving mechanism 4 and the second moving mechanism 6 to rotate together, and the driving mechanism 7 includes a second motor 701 fixedly provided at the top end of the first threaded rod 401 at the rear side, and the top ends of the first threaded rod 401 and the second threaded rod 601 located at the rear side are both fixedly provided with a third pulley 702, and the same third belt 703 is connected between the two third pulleys 702;

[0045] When adjusting the movable plate 402 and the pressing plate 604 according to the height of the carton, the second motor 701 is started through the PLC controller 8 to run and drive the first threaded rod 401 to rotate, so that the first threaded rod 401 on the left side rotates and synchronously drives the second threaded rod 601 on the left side to rotate through the third belt 703, thereby enabling the first threaded rod 401 and the second threaded rod 601 to rotate together and respectively drive the movable plate 402 and the pressing plate 604 to move together, so as to achieve the purpose of synchronously adjusting the movable plate 402 and the pressing plate 604.

[0046] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An automatic carton sealing mechanism, comprising a conveying mechanism (1) for conveying cartons, the conveying mechanism (1) comprising two first support plates (101) arranged front and rear, characterized in that: The outer ends of the two first support plates (101) are fixed with the same first U-shaped frame (2) and the same second U-shaped frame (3), and the second U-shaped frame (3) is located on the right side of the first U-shaped frame (2); A first moving mechanism (4) is provided inside the first U-shaped frame (2); The first moving mechanism (4) comprises two first threaded rods (401) arranged at the front and rear sides of the first U-shaped frame (2), the top and bottom ends of the first threaded rods (401) are movably connected to the first U-shaped frame (2) via bearings, and a same moving plate (402) is threadedly connected between the two first threaded rods (401); A box sealing mechanism (5) for sealing boxes is provided at the bottom of the movable plate (402); The box sealing mechanism (5) comprises a time delay switch (510) fixedly arranged on the right side of the bottom of the movable plate (402), a contact rod (509) being arranged at the bottom of the time delay switch (510), a pressure roller (507) being fixedly arranged at the bottom end of the contact rod (509), a second support column (506) being arranged at both the front and rear ends of the pressure roller (507), the top end of the second support column (506) being fixedly connected to the bottom of the movable plate (402), a slide groove being arranged at the side close to each other of the two second support columns (506), the front and rear ends of the pressure roller (507) being inserted into the slide groove, a spring (508) being fixedly arranged inside the two second support columns (506), the bottom ends of the two springs (508) being fixedly connected to the left and right ends of the pressure roller (507) respectively; An electric push rod (504) is provided on the left side of the delay switch (510), the top of the electric push rod (504) is fixedly connected to the bottom of the moving plate (402), and a rubber cutting knife (505) is fixedly provided on the bottom of the electric push rod (504).

2. The automatic box sealing mechanism according to claim 1, characterized in that: Two second support plates (501) are provided on the left side of the electric push rod (504), a same adhesive tape (502) is provided between the two second support plates (501), a bolt (503) is provided on the front side of the second support plate (501) located at the front side, a rear end of the bolt (503) passes through the adhesive tape (502) and extends into the second support plate (501) located at the rear side, and the bolt (503) is connected to the two second support plates (501) by threads.

3. The automatic box sealing mechanism according to claim 1, characterized in that: A first belt pulley (403) is fixedly provided on the outside of the top ends of the two first threaded rods (401), and a first belt (404) is connected between the two first belt pulleys (403).

4. The automatic box sealing mechanism according to claim 1, characterized in that: The left and right ends of the two first support plates (101) are movably connected to second rotating shafts (104) through bearings, the outer ends of the two second rotating shafts (104) are fixedly provided with first rotating shafts (103), the two first rotating shafts (103) are connected with a same conveyor belt (102), the rear end of the second rotating shaft (104) on the right side passes through the first support plate (101) and extends out of the rear side of the first support plate (101), and the rear end of the second rotating shaft (104) on the right side is fixedly provided with a first motor (105); First support columns (106) are fixedly provided at the bottoms of both left and right ends of the two first support plates (101).

5. The automatic box sealing mechanism according to claim 1, characterized in that: A second moving mechanism (6) for folding the opening of the carton is provided inside the second U-shaped frame (3); The second moving mechanism (6) comprises two second threaded rods (601) arranged at the front and rear sides of the second U-shaped frame (3); the top and bottom ends of the second threaded rods (601) are movably connected to the second U-shaped frame (3) through threads; the top ends of the two second threaded rods (601) are fixed with second pulleys (602); the same second belt (603) is arranged between the two second pulleys (602); and the same pressing plate (604) is threadedly connected between the two second threaded rods (601); The top ends of the first threaded rod (401) and the second threaded rod (601) located at the rear side respectively penetrate the top ends of the first U-shaped frame (2) and the second U-shaped frame (3) and extend out of the top ends of the first U-shaped frame (2) and the second U-shaped frame (3).

6. The automatic box sealing mechanism according to claim 3, characterized in that: A driving mechanism (7) for driving the first moving mechanism (4) and the second moving mechanism (6) to rotate together is provided on the top of the first U-shaped frame (2) and the second U-shaped frame (3); The driving mechanism (7) comprises a second motor (701) fixedly arranged on the top of the first threaded rod (401) at the rear side, and third pulleys (702) are fixedly arranged on the tops of the first threaded rod (401) and the second threaded rod (601) at the rear side, and the same third belt (703) is connected between the two third pulleys (702).

7. The automatic box sealing mechanism according to claim 1, characterized in that: A PLC controller (8) is fixedly provided at the left front end of the first support plate (101) located at the front side.

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