Carton anti-vibration strength testing device

Abstract

The invention discloses a carton vibration strength testing device which comprises a bottom plate, the top end of the bottom plate is connected with a first supporting plate, the top end of the bottom plate is connected with two second supporting plates, the side wall of the first supporting plate is rotatably connected with a rotating cylinder, and the end, away from the side wall of the first supporting plate, of the bottom plate is connected with a motor. A testing mechanism is arranged on the rotary drum; the motor is started, the motor drives the other rotating shaft to rotate, and the other rotating shaft drives the processing box to rotate, so that the carton in the processing box is driven to roll over, and vibration of rolling and shaking of the carton in the carriage is simulated; the strength of shaking generated by collision between the carton and the inner wall of the processing box, the side wall of the shielding plate and the side wall of the partition plate is changed by changing the strength of shaking generated by collision between the carton and the inner wall of the processing box, the side wall of the shielding plate and the side wall of the partition plate, so that the anti-vibration strength of the carton is detected, if the partition plate continues to linearly move, the partition plate can push the carton to be attached to the pressure sensor, and the compressive strength of the carton is tested by continuously increasing thrust to the carton.

Description

Technical Field

[0001] The invention relates to the field of testing devices, in particular to a device for testing the vibration resistance of a carton. Background Art

[0002] Cartons are the most widely used packaging products. Depending on the materials used, there are corrugated boxes, single-layer cardboard boxes, etc., with various specifications and models.

[0003] Commonly used cartons are three-layer and five-layer, and seven-layer is less used. Each layer is divided into lining paper, corrugated paper, core paper, and face paper. The lining and face paper are tea board paper and kraft paper, and the core paper is corrugated paper. The color and feel of each paper are different, and the paper produced by different manufacturers is also different.

[0004] Usually used as a wrapping material for goods or as an outer protective layer for items. The volume of the carton varies according to the size of the goods. Cartons usually have various patterns or text prompts such as "Handle with care", "Avoid moisture", "Upward", etc. to remind users to pay attention and protect the items inside from damage.

[0005] As an indispensable part of modern logistics, packaging cartons bear the important responsibilities of containing, protecting products and being aesthetically pleasing. The physical performance indicators of packaging cartons become the basis for their quality assessment. The accuracy and reliability of test data require good testing environment conditions to ensure.

[0006] The existing carton strength test is generally a pressure strength test of the carton, which uses a hydraulic cylinder to press the carton, and observes the degree of breakage of the carton when the hydraulic cylinder increases the pressure. However, it is inconvenient to test the vibration strength of the carton, especially to simulate the impact of vibration caused by the rolling or shaking of the carton in the box. Therefore, a carton vibration strength testing device is needed to facilitate the test of the vibration strength of the carton. Summary of the invention

[0007] The purpose of the present invention is to overcome the inconvenience of carton vibration testing and to provide a carton vibration strength testing device.

[0008] The technical solution to achieve the above-mentioned purpose is: a carton vibration strength testing device, comprising a base plate, the top of the base plate is connected to a first support plate, the top of the base plate is connected to two second support plates, the side wall of the first support plate is rotatably connected to a rotating drum, one end of the side wall of the base plate away from the first support plate is connected to a motor, a testing mechanism is arranged on the rotating drum, a supporting mechanism is installed on the testing mechanism, and an auxiliary mechanism is installed on the supporting mechanism.

[0009] Preferably, the testing mechanism includes a hydraulic cylinder, a partition, a pressure sensor, a processing box, a rotating shaft, a sealing door, a perforation, a through hole and a shielding member, the side wall of the rotating drum is connected to the hydraulic cylinder, the output end of the hydraulic cylinder is connected to the partition, the side wall of the second support plate is rotatably connected to the rotating shaft, the symmetrical side walls on both sides of the processing box are respectively connected to the rotating shaft, the centers of the two rotating shafts are located on the same straight line, one of the side walls of the rotating shaft and the side wall of the processing box are both provided with a perforation, the output end of the hydraulic cylinder is slidably connected to the perforation, the side of the processing box away from the perforation is connected to the pressure sensor, the top of the processing box is rotatably connected to the sealing door, and the side wall of the processing box away from the sealing door is provided with multiple through holes.

[0010] Preferably, the width of the partition is smaller than the width of the processing box.

[0011] Preferably, the shielding member includes a first T-shaped hole, a second T-shaped hole, a shield, a T-shaped plate, a mounting block and a mounting hole. The top end of the partition is provided with a first T-shaped hole, the top side wall of the processing box is provided with a second T-shaped hole, a T-shaped plate and a shield can be inserted into the second T-shaped hole, a T-shaped plate can be inserted into the first T-shaped hole, four mounting blocks are connected to the side walls of the processing box, and mounting holes are provided on the side walls of the mounting blocks.

[0012] Preferably, the second T-shaped hole and the through hole are located on the same side wall of the treatment box.

[0013] Preferably, the supporting mechanism comprises a square plate, guide rods, screw rods, round rods and screw holes, the side walls of the square plate are connected to a plurality of guide rods, the side walls of the square plate are rotatably connected to the screw rods, the side walls of one of the mounting holes are threadedly connected to the screw rods, the side walls of the remaining mounting holes are slidably connected to the guide rods, the side walls of the square plate are connected to a plurality of round rods, the round rods are located inside the through holes, and a screw hole is provided at one end of the round rods.

[0014] Preferably, the side wall of the screw is connected to two circular rings, the square plate is located between the two circular rings, the side wall of the square plate is provided with a rotating hole, the side wall of the screw passes through the rotating hole, and the side wall of the circular ring is rotatably connected to the square plate.

[0015] Preferably, the auxiliary mechanism comprises a connecting rod and a protrusion, the side wall of the connecting rod is threadedly connected to the screw hole, and one end of the connecting rod is connected to the protrusion.

[0016] The beneficial effects of the present invention are: 1) Place the carton into the sandwich area formed by the processing box and the side of the partition away from the hydraulic cylinder, insert the shield into the second T-hole so that the through hole is blocked by the shield to avoid interference of the through hole on the carton. At this time, the partition is attached to the side wall of the shield, start the hydraulic cylinder, and move the partition in a straight line in the processing box, so as to adjust the size of the test area of ​​the carton and adjust the distance between the carton and the partition and the inner wall of the processing box.

[0017] 2) Start the motor, the motor drives another shaft to rotate, and the other shaft drives the processing box to rotate, thereby driving the carton in the processing box to roll, thereby simulating the rolling and shaking vibration of the carton in the car box. By increasing the rotation speed of the motor, the intensity of the shaking caused by the collision between the carton and the inner wall of the processing box, the side wall of the baffle and the side wall of the partition can be changed, so as to detect the vibration resistance of the carton. If the partition continues to move in a straight line, the partition can push the carton to stick to the pressure sensor. By continuously increasing the thrust on the carton, the compressive strength of the carton can be tested.

[0018] 3) Screw the connecting rod thread into the screw hole to connect the protrusion and the round rod as one. At this time, rotate the processing box, which drives the carton to roll, so that the carton collides with the protrusion. By setting protrusions of different shapes, the shape of the carton colliding with the object can be simulated to more comprehensively fit the shaking caused by the actual collision, so as to better test the vibration resistance of the carton, and judge the vibration resistance of the carton by checking the degree of breakage of the carton. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front structural schematic diagram of the present invention; Figure 2 It is a rear view structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of the top view of the structure of the present invention; Figure 4 It is a schematic diagram of the structure of the partition state of the present invention; Figure 5 It is a cross-sectional structural schematic diagram of the present invention; Figure 6 It is a schematic diagram of the structure of the processing box of the present invention; Figure 7 It is a schematic diagram of the cross-sectional structure of the processing box of the present invention; Figure 8 It is a schematic diagram of the cross-sectional structure of the square plate of the present invention.

[0020] Figure Number: 1. Bottom plate; 2. First support plate; 3. Second support plate; 4. Motor; 5. Rotating drum; 6. Testing mechanism; 601. Hydraulic cylinder; 602. Partition plate; 603. Pressure sensor; 604. Processing box; 605. Rotating shaft; 606. Sealing door; 607. First T-shaped hole; 608. Second T-shaped hole; 609. Shield; 610. T-shaped plate; 611. Perforation; 612. Mounting block; 613. Mounting hole; 614. Through hole; 7. Support mechanism; 701. Square plate; 702. Guide rod; 703. Screw rod; 704. Round rod; 705. Screw hole; 8. Auxiliary mechanism; 801. Connecting rod; 802. Bump. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] Reference Figure 1-8 A carton vibration strength testing device includes a bottom plate 1, the top of the bottom plate 1 is connected to a first support plate 2, the top of the bottom plate 1 is connected to two second support plates 3, the side wall of the first support plate 2 is rotatably connected to a rotating drum 5, one end of the side wall of the bottom plate 1 away from the first support plate 2 is connected to a motor 4, a testing mechanism 6 is arranged on the rotating drum 5, a supporting mechanism 7 is installed on the testing mechanism 6, and an auxiliary mechanism 8 is installed on the supporting mechanism 7.

[0024] Reference Figure 2-7The testing mechanism 6 includes a hydraulic cylinder 601, a partition 602, a pressure sensor 603, a processing box 604, a rotating shaft 605, a sealing door 606, a perforation 611, a through hole 614 and a shielding member. The side wall of the rotating drum 5 is connected to the hydraulic cylinder 601, and the output end of the hydraulic cylinder 601 is connected to the partition 602. The side wall of the second support plate 3 is rotatably connected to the rotating shaft 605. The symmetrical side walls of the processing box 604 are respectively connected to the rotating shaft 605. The centers of the two rotating shafts 605 are located on the same straight line. The side wall of one of the rotating shafts 605 and the side wall of the processing box 604 are both provided with a perforation 611. The output end of the hydraulic cylinder 601 is slidably connected to the perforation 611. The side of the processing box 604 away from the perforation 611 is connected to the pressure sensor 603. The top of the processing box 604 is rotatably connected to the sealing door 606. The side wall is provided with a plurality of through holes 614, the width of the partition 602 is smaller than the width of the processing box 604, the shielding member includes a first T-shaped hole 607, a second T-shaped hole 608, a shield 609, a T-shaped plate 610, a mounting block 612 and a mounting hole 613, a first T-shaped hole 607 is provided at the top end of the partition 602, a second T-shaped hole 608 is provided at the top side wall of the processing box 604, a T-shaped plate 610 and a shield 609 can be inserted into the second T-shaped hole 608, a T-shaped plate 610 can be inserted into the first T-shaped hole 607, four mounting blocks 612 are connected to the side wall of the processing box 604, a mounting hole 613 is provided on the side wall of the mounting block 612, the second T-shaped hole 608 and the through hole 614 are located on the same side wall of the processing box 604, and the processing box 604, the shield 609, the T-shaped plate 610 and the partition 602 are made of the same material.

[0025] Put the carton into the sandwich area formed by the processing box 604 and the side of the partition 602 away from the hydraulic cylinder 601, insert the shield 609 into the second T-hole 608, so that the through hole 614 is blocked by the shield 609 to avoid the interference of the through hole 614 on the carton. At this time, the partition 602 is attached to the side wall of the shield 609, and the hydraulic cylinder 601 is started to move the partition 602 in a straight line in the processing box 604, so as to adjust the size of the test area space of the carton and the distance between the carton and the partition 602 and the inner wall of the processing box 604. At this time, the push of the hydraulic cylinder 601 is paused, and the sealing door 606 is closed to press the shield 609 to prevent the shield 609 from being separated from the second T-hole 608, and the motor 4 is started. The motor 4 drives the other shaft 605 to rotate, and the other A rotating shaft 605 drives the processing box 604 to rotate, and the processing box 604 drives one of the rotating shafts 605 to rotate, and one of the rotating shafts 605 drives the hydraulic cylinder 601 to rotate through the through hole 611, and the hydraulic cylinder 601 drives the rotating drum 5 to rotate, thereby driving the carton in the processing box 604 to roll, thereby simulating the rolling and shaking vibration of the carton in the car box, and by increasing the rotation speed of the motor 4, the shaking intensity caused by the collision of the carton with the inner wall of the processing box 604, the side wall of the baffle 609 and the side wall of the partition 602 is changed, so as to detect the vibration resistance of the carton. If the partition 602 continues to move in a straight line, the partition 602 can push the carton to fit against the pressure sensor 603, and the compressive strength of the carton is tested by continuously increasing the thrust on the carton.

[0026] Reference Figure 2-8 The supporting mechanism 7 includes a square plate 701, a guide rod 702, a screw rod 703, a round rod 704 and a screw hole 705. The side wall of the square plate 701 is connected to multiple guide rods 702. The side wall of the square plate 701 is rotatably connected to the screw rod 703. The side wall of one mounting hole 613 is threadedly connected to the screw rod 703, and the side walls of the remaining mounting holes 613 are slidably connected to the guide rod 702. The side wall of the square plate 701 is connected to multiple round rods 704. The round rod 704 is located on the inner side of the through hole 614. A screw hole 705 is opened at one end of the round rod 704. The side wall of the screw rod 703 is connected to two circular rings. The square plate 701 is located between the two circular rings. The side wall of the square plate 701 is opened with a rotating hole. The side wall of the screw rod 703 passes through the rotating hole, and the side wall of the circular ring is rotatably connected to the square plate 701.

[0027] When the auxiliary mechanism 8 is needed, the sealing door 606 is opened, the shielding plate 609 is pulled out, and the partition plate 602 is pulled to be close to the inner wall of one side of the processing box 604, and a plurality of T-shaped plates 610 are respectively inserted into the first T-shaped hole 607 and the second T-shaped hole 608 to prevent the interval between the second T-shaped hole 608 and the partition plate 602 and the processing box 604 from affecting the carton test, and the T-shaped plates 610 inserted into the first T-shaped hole 607 and the second T-shaped hole 608 are of different sizes; Then, the screw rod 703 is rotated and pushed forward, and the screw rod 703 drives the square plate 701 to move toward the through hole 614 , so that the square plate 701 drives the round rod 704 to pass through the through hole 614 , and drives the auxiliary mechanism 8 to extend into the inner side of the processing box 604 .

[0028] Reference Figure 7-8 The auxiliary mechanism 8 includes a connecting rod 801 and a protrusion 802 . The side wall of the connecting rod 801 is threadedly connected to the screw hole 705 , and one end of the connecting rod 801 is connected to the protrusion 802 .

[0029] The connecting rod 801 is threaded into the screw hole 705, so that the protrusion 802 is connected to the round rod 704 as a whole. At this time, the processing box 604 is rotated, and the processing box 604 drives the carton to roll, so that the carton collides with the protrusion 802. By setting protrusions 802 of different shapes, the shape of the carton collision object can be simulated to more comprehensively fit the shaking caused by the actual collision, thereby better testing the vibration resistance of the carton, and judging the vibration resistance of the carton by checking the degree of breakage of the carton.

[0030] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions described in the above embodiments may still be modified, or some or all of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A carton vibration strength testing device, comprising a bottom plate (1), characterized in that: The top end of the bottom plate (1) is connected to a first support plate (2), the top end of the bottom plate (1) is connected to two second support plates (3), the side wall of the first support plate (2) is rotatably connected to a rotating drum (5), one end of the side wall of the bottom plate (1) away from the first support plate (2) is connected to a motor (4), a testing mechanism (6) is arranged on the rotating drum (5), a supporting mechanism (7) is installed on the testing mechanism (6), and an auxiliary mechanism (8) is installed on the supporting mechanism (7).

2. A carton vibration strength testing device according to claim 1, characterized in that: The testing mechanism (6) comprises a hydraulic cylinder (601), a partition (602), a pressure sensor (603), a processing box (604), a rotating shaft (605), a sealing door (606), a perforation (611), a through hole (614) and a shielding member; the side wall of the rotating drum (5) is connected to the hydraulic cylinder (601); the output end of the hydraulic cylinder (601) is connected to the partition (602); the side wall of the second support plate (3) is rotatably connected to the rotating shaft (605); the symmetrical side walls of the processing box (604) are respectively connected to the rotating shafts (605); The centers of the two rotating shafts (605) are located on the same straight line, the side wall of one of the rotating shafts (605) and the side wall of the processing box (604) are both provided with a through hole (611), the output end of the hydraulic cylinder (601) is slidably connected to the through hole (611), a side of the processing box (604) away from the through hole (611) is connected to a pressure sensor (603), the top end of the processing box (604) is rotatably connected to a sealing door (606), and a side wall of the processing box (604) away from the sealing door (606) is provided with a plurality of through holes (614).

3. A carton vibration strength testing device according to claim 2, characterized in that: The width of the partition (602) is smaller than the width of the processing box (604).

4. A carton vibration strength testing device according to claim 3, characterized in that: The shielding member comprises a first T-shaped hole (607), a second T-shaped hole (608), a shielding plate (609), a T-shaped plate (610), a mounting block (612) and a mounting hole (613); the first T-shaped hole (607) is provided at the top end of the partition plate (602); the second T-shaped hole (608) is provided at the top end side wall of the processing box (604); a T-shaped plate (610) and a shielding plate (609) can be inserted and connected in the second T-shaped hole (608); a T-shaped plate (610) can be inserted and connected in the first T-shaped hole (607); four mounting blocks (612) are connected to the side walls of the processing box (604); and the mounting holes (613) are provided in the side walls of the mounting blocks (612).

5. A carton vibration strength testing device according to claim 4, characterized in that: The second T-shaped hole (608) and the through hole (614) are located on the same side wall of the treatment box (604).

6. A carton vibration strength testing device according to claim 4, characterized in that: The support mechanism (7) comprises a square plate (701), a guide rod (702), a screw rod (703), a round rod (704) and a screw hole (705); the side wall of the square plate (701) is connected to a plurality of guide rods (702); the side wall of the square plate (701) is rotatably connected to the screw rod (703); the side wall of one of the mounting holes (613) is threadedly connected to the screw rod (703); the side walls of the remaining mounting holes (613) are slidably connected to the guide rod (702); the side wall of the square plate (701) is connected to a plurality of round rods (704); the round rods (704) are located inside the through holes (614); and one end of the round rods (704) is provided with a screw hole (705).

7. A carton vibration strength testing device according to claim 6, characterized in that: The side wall of the screw rod (703) is connected to two circular rings, the square plate (701) is located between the two circular rings, the side wall of the square plate (701) is provided with a rotating hole, the side wall of the screw rod (703) passes through the rotating hole, and the side wall of the circular ring is rotatably connected to the square plate (701).

8. A carton vibration strength testing device according to claim 6, characterized in that: The auxiliary mechanism (8) comprises a connecting rod (801) and a protrusion (802); a side wall of the connecting rod (801) is threadedly connected to a screw hole (705); and one end of the connecting rod (801) is connected to the protrusion (802).

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