Carton crush strength testing apparatus with side support

Abstract

The present application relates to the technical field of compression testing device, especially to a carton compression strength testing device with side support, which comprises a device body, a support mechanism and a support plate; the support mechanism can support the periphery of the carton under the action of friction when detecting the compression strength of the carton, thereby simulating the state of the periphery of the carton being supported by other cartons when the carton is stacked; when the compression strength of the carton is tested, the mounting block supports the periphery of the carton with the support plate, thereby simulating the state of the periphery of the carton being supported by other cartons when the carton is stacked in actual use, so that the state of the carton during the test is more consistent with the actual situation; meanwhile, the periphery of the carton is supported by the friction between the friction block and the device body, and the size of the friction is changed by supporting the electric push rod to extrude the friction block, thereby the test situation of the carton around the test carton being filled with different weights of objects can be simulated, and the test effect is improved.

Description

Technical Field

[0001] This invention relates to the field of compression testing equipment, and more particularly to a cardboard box compression strength testing device with side support. Background Technology

[0002] Cardboard boxes have a wide range of applications. They can be used to store goods or as transport packaging during transportation, which facilitates transportation and protects the goods.

[0003] When conducting a compressive strength test on a cardboard box, the cardboard box is first placed in the center of the testing device. Then, the testing device compresses the cardboard box from above and below, and the compressive pressure is monitored in real time until the cardboard box is deformed, thus completing the compressive strength test.

[0004] When cardboard boxes are used to package and transport goods, they are stacked neatly. Therefore, the actual state of the cardboard box is that it is subjected to the pressure of the cardboard box above it, and at the same time, it is supported by the adjacent cardboard boxes on all sides, which increases the pressure that the cardboard box can withstand. However, the experimental device in the existing technology only compresses the cardboard box downwards when testing its compressive strength, which is different from the actual compressive strength of the cardboard box. Ignoring this issue when conducting compressive strength tests on cardboard boxes will lead to inaccurate test results, thus causing limitations.

[0005] Therefore, we propose a carton compression strength testing device with side support. Summary of the Invention

[0006] In view of the shortcomings of the prior art, the present invention provides a carton compression strength testing device with side support, which overcomes the shortcomings of the prior art and aims to solve the problems in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a cardboard box compression strength testing device with side support, comprising...

[0008] The machine body; an electric push rod is fixedly connected to the machine body; a connecting plate is fixedly connected to the output end of the electric push rod; a pressure sensor is fixedly connected to the connecting plate; a mounting base is slidably connected to the connecting plate; an extrusion component is mounted on the mounting base;

[0009] The machine body is provided with a support mechanism; the support mechanism is provided with a friction unit; the friction unit enables the support mechanism and the machine body to maintain a certain friction force; the support mechanism can support the four sides of the carton under the action of friction force when testing the compressive strength of the carton, thereby simulating the state when the four sides of the carton are supported by other cartons when the carton is stacked.

[0010] Preferably, the support mechanism includes sliding bars, mounting blocks, and a support plate; four sliding bars are fixedly connected to the machine body and are evenly distributed; four mounting blocks are slidably connected to the four sliding bars respectively; the support plate is fixedly connected to the mounting blocks; a moving motor is fixedly connected inside the mounting blocks; a roller is fixedly connected to the output end of the moving motor; and the roller is in contact with the machine body.

[0011] Preferably, the friction unit includes a friction block, a supporting electric push rod, and a fixing block; the mounting block has a mounting cavity; the supporting electric push rod is fixedly connected to the top of the mounting cavity, and the fixing block is fixedly connected to the output end of the supporting electric push rod; the friction block is fixedly connected inside the fixing block.

[0012] By using mounting blocks with support plates to support the cardboard boxes around their perimeter during the compression strength test, the invention simulates the state of cardboard boxes when stacked together and supported by other cardboard boxes in actual use. This makes the state of the cardboard boxes during the test more closely resemble reality. Simultaneously, the invention supports the cardboard boxes around their perimeter through the friction between the friction blocks and the machine body. By using a supporting electric push rod to press the friction blocks and change the magnitude of the friction, the invention can simulate the test conditions when the cardboard boxes around the tested box are filled with items of different weights, thus improving the test results.

[0013] Preferably, the fixed block is in the shape of an inverted U, a second pressure sensor is fixedly connected to one side wall of the fixed block, a sliding block is slidably connected inside the fixed block, the sliding block is fixedly connected to the friction block, a telescopic spring is fixedly connected to the side wall inside the fixed block, and the telescopic spring causes the friction block to contact the second pressure sensor.

[0014] Preferably, the support plate consists of a first plate and a second plate; the first plate is fixedly connected to the mounting block, and both sides of the first plate are rotatably connected to the second plate via torsion springs; the side of the second plate away from the first plate is rotatably connected to the second plate via the torsion spring; a connecting electric push rod and a connecting sleeve are fixedly connected to the second plate; both sides of the first plate are also fixedly connected to connecting electric push rods; the output end of the connecting electric push rod can be inserted into the corresponding connecting sleeve.

[0015] Preferably, the extrusion component consists of a first block and a second block; a telescopic electric push rod is fixedly connected inside the first block; the other end of the telescopic electric push rod is fixedly connected to the adjacent first block; a group of first blocks forms a telescopic rod; the second block is disposed between the adjacent rods and is fixedly connected to the first block; the telescopic electric push rod is also fixedly connected inside the second block; the output end of the telescopic electric push rod inside the second block is connected to the opposite first block.

[0016] Preferably, an inclined block is fixedly connected to the second plate; the inclined block is fixedly connected to the connecting sleeve.

[0017] Preferably, the number of blocks in a group is odd, and a connecting block is fixedly connected to the middle block in the group; the number of long rods composed of blocks is odd; the middle connecting block is fixedly connected to the mounting base, and the remaining connecting blocks are slidably connected to the mounting base.

[0018] By combining plate number one and plate number two to form a support plate, the width of the support plate can be changed, allowing it to support cartons of different sizes without adjacent support plates coming into contact with each other and causing the support plate to fail to support the cartons. At the same time, block number one and block number two form an extrusion component, the shape of which can be changed. This allows the extrusion component to change its shape when extruding smaller cartons, ensuring that the extrusion component is always positioned within the four support plates. This prevents the extrusion component from pressing on top of the support plates and failing to compress the cartons, thus improving the practical application effect of the invention.

[0019] Preferably, the first block has a receiving groove; the output end of the telescopic electric push rod on the second block is fixedly connected to the groove wall of the corresponding receiving groove; in this embodiment, the telescopic electric push rod is a multi-stage electric push rod.

[0020] The beneficial effects of this invention are:

[0021] 1. This invention simulates the state of a cardboard box when stacked together and supported by other cardboard boxes during a compressive strength test. This makes the test result more closely resemble the actual condition of the cardboard box. Furthermore, this invention uses the friction between the friction block and the machine body to support the cardboard box. The friction force is altered by a supporting electric push rod that presses the friction block, thus simulating the test conditions when the surrounding cardboard boxes are filled with items of different weights, improving the test results.

[0022] 2. This invention uses a support plate composed of a first plate and a second plate to adjust its width, allowing it to support cartons of different sizes without causing adjacent support plates to contact and interfere with each other, thus preventing the support plate from failing to support the cartons. Simultaneously, the extrusion component, composed of a first block and a second block, has a variable shape. When extruding smaller cartons, the extrusion component's shape changes accordingly, ensuring it always remains within the four support plates. This prevents the extrusion component from pressing on top of the support plates, thus improving the practical application effect of this invention. Attached Figure Description

[0023] Figure 1 This is a structural diagram of the present invention;

[0024] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0025] Figure 3 for Figure 1 Enlarged view of point B in the middle;

[0026] Figure 4 for Figure 2 Enlarged view of point C in the middle;

[0027] Figure 5 This is a cross-sectional view of the mounting block in this invention;

[0028] Figure 6 for Figure 5 A sectional view of the mounting block from the perspective of the section at point DD;

[0029] Figure 7 This is a schematic diagram of the structure of the extrusion component composed of block one and block two in this invention.

[0030] In the diagram: 1. Body; 11. Electric push rod No. 1; 12. Connecting plate; 13. Pressure sensor No. 1; 14. Mounting base; 2. Extrusion component; 21. Block No. 1; 22. Block No. 2; 23. Telescopic electric push rod; 24. Long rod; 3. Support mechanism; 31. Friction unit; 311. Friction block; 312. Supporting electric push rod; 313. Fixing block; 314. Pressure sensor No. 2; 315. Sliding block; 316. Telescopic spring; 32. Sliding strip; 33. Mounting block; 34. Support plate; 341. Plate No. 1; 342. Plate No. 2; 343. Torsion spring; 344. Connecting electric push rod; 345. Connecting sleeve; 346. Inclined block; 35. Mounting cavity; 36. Moving motor; 37. Roller; 4. Connecting block; 5. Receiving groove. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] Example 1:

[0033] Refer to the instruction manual appendix Figure 1 , 2 3, a carton compression strength testing device with side support, comprising:

[0034] Machine body 1; an electric push rod 11 is fixedly connected to the machine body 1; a connecting plate 12 is fixedly connected to the output end of the electric push rod 11; a pressure sensor 13 is fixedly connected to the connecting plate 12; a mounting base 14 is slidably connected to the connecting plate 12; an extrusion component 2 is mounted on the mounting base 14.

[0035] The machine body 1 is provided with a support mechanism 3; the support mechanism 3 is provided with a friction unit 31; the friction unit 31 enables the support mechanism 3 and the machine body 1 to maintain a certain friction force; the support mechanism 3 can support the four sides of the carton under the action of friction force when testing the compressive strength of the carton, thereby simulating the state when the four sides of the carton are supported by other cartons when the carton is stacked.

[0036] Refer to the instruction manual appendix Figure 2 In this embodiment, the support mechanism 3 includes sliding bars 32, mounting blocks 33, and a support plate 34; four sliding bars 32 are fixedly connected to the body 1 and are evenly distributed; four mounting blocks 33 are slidably connected to the four sliding bars 32 respectively; the support plate 34 is fixedly connected to the mounting blocks 33; a moving motor 36 is fixedly connected inside the mounting block 33; a roller 37 is fixedly connected to the output end of the moving motor 36; the roller 37 is in contact with the body 1.

[0037] Refer to the instruction manual appendix Figure 6 In this embodiment, the friction unit 31 includes a friction block 311, a supporting electric push rod 312, and a fixing block 313; a mounting cavity 35 is provided in the mounting block 33; the supporting electric push rod 312 is fixedly connected to the top of the mounting cavity 35, and the fixing block 313 is fixedly connected to the output end of the supporting electric push rod 312; the friction block 311 is fixedly connected in the fixing block 313.

[0038] When the staff uses this invention to test the compressive strength of a cardboard box, the cardboard box is first placed in the center of the machine body 1. Then, the controller controls the rotation of the moving motor 36 inside the mounting block 33, causing the mounting block 33 to move towards the cardboard box along with the support plate 34 until the support plate 34 contacts the cardboard box. Subsequently, the controller controls the output end of the support electric push rod 312 to extend, causing the friction block 311 to contact the machine body 1 and be compressed, resulting in friction between the friction block 311 and the machine body 1. In this embodiment, the magnitude of the friction between the friction block 311 and the machine body 1 can be controlled by controlling the extension of the output end of the support electric push rod 312. The greater the extension of the output end of the support electric push rod 312, the greater the force exerted on the friction block 311 by the support electric push rod 312, and the greater the friction between the friction block 311 and the machine body 1.

[0039] The operator controls the first electric push rod 11 via the controller to push the mounting base 14 downward, so that the extrusion piece 2 contacts the upper end of the carton. As the extrusion piece 2 continues to press the carton downward, the four sides of the carton deform and bulge outward. The support plates 34 around the carton support the four sides of the carton and counteract the deformation, thereby improving the carton's load-bearing capacity. When the carton is squeezed by the extrusion piece 2, and the force of the carton pushing the support plate 34 is greater than the friction between the friction block 311 and the machine body 1, the carton pushes the support plate 34 to move and is deformed by the extrusion piece 2. The first pressure sensor 13 transmits the pressure information to the controller in real time through the transmission line for recording.

[0040] This invention simulates the state of a cardboard box when it is stacked together and supported by other cardboard boxes during the compression strength test. This makes the state of the cardboard box during the test more closely resemble the actual situation. At the same time, this invention supports the cardboard box around its perimeter through the friction between the friction block 311 and the machine body 1. The friction force is changed by the support electric push rod 312 pressing the friction block 311, thereby simulating the test situation when the cardboard box around the test box is filled with items of different weights, thus improving the test effect.

[0041] Refer to the instruction manual appendix Figure 6 In this embodiment, the fixed block 313 is in the shape of an inverted U. A second pressure sensor 314 is fixedly connected to the side wall of one side of the fixed block 313. A sliding block 315 is slidably connected inside the fixed block 313. The sliding block 315 is fixedly connected to the friction block 311. A telescopic spring 316 is fixedly connected to the side wall inside the fixed block 313. The telescopic spring 316 causes the friction block 311 to contact the second pressure sensor 314.

[0042] In this embodiment, before conducting a compressive strength test on the carton, the operator first calibrates the pressure information transmitted by the second pressure sensor 314 through the controller to eliminate the thrust of the extension spring 316 pushing the friction block 311 onto the second sensor. When the carton pushes the support plate 34 and the mounting base 14, the mounting base 14 transmits the force to the friction block 311 through the support electric push rod 312 and the fixing block 313. In this embodiment, the fixing block 313 and the friction block 311 are slidably connected through the sliding block 315, so that the fixing block 313 can move relative to the friction block 311 after being pushed, thereby causing the friction block 311 to squeeze the second pressure sensor 314. At this time, the pressure on the second sensor is the friction force between the friction block 311 and the machine body 1. Thus, the friction force between the friction block 311 and the machine body 1 when the extruder 2 squeezes the carton can be obtained in real time by the controller for data analysis.

[0043] Refer to the instruction manual appendix Figure 2 and 4In this embodiment, the support plate 34 is composed of a first plate 341 and a second plate 342. The first plate 341 is fixedly connected to the mounting block 33, and both sides of the first plate 341 are rotatably connected to the second plate 342 through torsion springs 343. The side of the second plate 342 away from the first plate 341 is also rotatably connected to the second plate 342 through torsion springs 343. A connecting electric push rod 344 and a connecting sleeve 345 are fixedly connected to the second plate 342. The first plate 341 is also fixedly connected to both sides of the first plate 341. The output end of the connecting electric push rod 344 can be inserted into the corresponding connecting sleeve 345.

[0044] Refer to the instruction manual appendix Figure 3 and 7 In this embodiment, the extrusion member 2 is composed of a first block 21 and a second block 22; a telescopic electric push rod 23 is fixedly connected inside the first block 21; the other end of the telescopic electric push rod 23 is fixedly connected to the adjacent first block 21; a group of first blocks 21 form a telescopic long rod 24; the second block 22 is disposed between the adjacent long rods 24, and the second block 22 is fixedly connected to the first block 21; the telescopic electric push rod 23 is also fixedly connected inside the second block 22; the output end of the telescopic electric push rod 23 inside the second block 22 is connected to the corresponding first block 21.

[0045] Example 2:

[0046] Based on Example 1, refer to the appendix of the instruction manual. Figure 4 In this embodiment, a wedge block 346 is fixedly connected to the second plate 342; the wedge block 346 is fixedly connected to the connecting sleeve 345;

[0047] Refer to the instruction manual appendix Figure 1 and 3 In this embodiment, the number of blocks 21 in a group is odd, and a connecting block 4 is fixedly connected to the middle block 21 in the group; the number of long rods 24 formed by blocks 21 is odd; the middle connecting block 4 is fixedly connected to the mounting base 14, and the remaining connecting blocks 4 are slidably connected to the mounting base 14.

[0048] In this embodiment, the planar dimensions of the support plate 34 and the dimensions of the extruder 2 can adapt to the size of the carton. In the initial state, the dimensions of the support plate 34 and the extruder 2 correspond to the smallest carton size. At this time, the second block 22 on the first plate 341 remains perpendicular to the first plate 341 under the action of the torsion spring 343, and the second plate 342 remains perpendicular to the adjacent second plate 342. The output end of the telescopic electric push rod 23 is in a retracted state. When the size of the carton to be inspected increases, the operator controls the output end of the electric push rod 344 connected to the first plate 341 through the controller. The output end of the electric push rod 344 extends and pushes the second plate 342, which is rotatably connected to the first plate 341, to rotate. When the second plate 342 rotates to a horizontal position relative to the first plate 341, the output end of the electric push rod 344 extends into the connecting sleeve 345 on the second plate 342, thereby increasing the size of the support plate 34 and the corresponding carton size. Similarly, when the output end of the electric push rod 344 on the second plate 342 extends into the connecting sleeve 345 on the adjacent second plate 342, the size of the support plate 34 increases again, corresponding to a larger carton size.

[0049] In this embodiment, a wedge block 346 is fixed to block 22. When the output end of the connecting electric push rod 344 pushes block 22, making block 22 and block 1, or block 22 and adjacent block 22 nearly horizontal, the output end of the connecting electric push rod 344 slides along the wedge block 346. The connecting electric push rod 344 pushes block 22 to a horizontal state. At the same time, the rated output end of the connecting electric push rod 344 is inserted into the connecting sleeve 345. This prevents block 22 from always being in contact with the output end of the connecting electric push rod 344 under the action of the torsion spring 343. When the output end of the connecting electric push rod 344 reaches the end of the connecting sleeve 345, the output end of the connecting electric push rod 344 cannot be inserted into the connecting sleeve 345 due to the thickness of the connecting sleeve 345.

[0050] Next, the controller extends the output end of the telescopic electric push rod 23 in the first block 21 and the second block 22, thereby increasing the length of the long rod 24 composed of the first block 21 and increasing the interval between two adjacent long rods 24 composed of the first block 21, thereby increasing the length and width of the extrusion member 2. When the extrusion member 2 extrudes the carton and crushes it, the extrusion member 2 is located between the four support plates 34 and will not come into contact with the support plates 34, thus affecting the movement of the extrusion member 2.

[0051] When the extruder 2 presses the carton downwards, the first electric push rod 11 and the mounting base 14 transmit the force to the extruder 2 through the connecting block 4; when the distance between the long rods 24 composed of the first block 21 increases, the connecting block 4 located in the middle position is fixed to the mounting base 14, and the remaining connecting blocks 4 slide on the mounting base 14, so that the distance between two adjacent connecting bases increases together with the long rods 24, thereby changing the length and width of the extruder 2 without affecting the transmission between the mounting base 14 and the extruder 2;

[0052] This invention uses a support plate 34 composed of a first plate 341 and a second plate 342 to change the width of the support plate 34, allowing it to support cartons of different sizes without adjacent support plates 34 coming into contact and causing them to collide, thus preventing the support plate 34 from being unable to support the cartons. Simultaneously, a pressing component 2 is formed by a first block 21 and a second block 22, allowing the shape of the pressing component 2 to change. When pressing a smaller carton, the shape of the pressing component 2 can be adjusted accordingly, ensuring that the pressing component 2 is always positioned within the four support plates 34, preventing it from pressing on top of the support plates 34 and thus preventing the carton from being compressed. This improves the practical application effect of this invention.

[0053] Refer to the instruction manual appendix Figure 7 In this embodiment, a receiving groove 5 is provided on the first block 21; the output end of the telescopic electric push rod 23 on the second block 22 is fixedly connected to the groove wall of the corresponding receiving groove 5; in this embodiment, the telescopic electric push rod 23 is a multi-stage electric push rod.

[0054] In this embodiment, the number of No. 2 plates 342 rotatably connected to both sides of the No. 1 plate 341 is at least three. Therefore, the size range of the carton corresponding to this invention is increased. Assuming that the number of No. 2 plates 342 is A, the size range of the corresponding carton is A+1. A receiving groove 5 is opened on the No. 1 block 21, and a multi-stage electric push rod 23 is selected to push the telescopic electric push rod 23 a greater distance, so that the maximum size of the carton corresponding to the extrusion part 2 is larger, which improves the upper limit of the size of the carton that this invention can detect, and thus improves the practical application effect of this invention.

[0055] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cardboard box compression strength testing device with side support, comprising: The machine body (1) is fixedly connected to an electric push rod (11); the output end of the electric push rod (11) is fixedly connected to a connecting plate (12); a pressure sensor (13) is fixedly connected to the connecting plate (12); a mounting base (14) is slidably connected to the connecting plate (12); and an extrusion component (2) is mounted on the mounting base (14). Its features are: The machine body (1) is provided with a support mechanism (3); the support mechanism (3) is provided with a friction unit (31); the friction unit (31) enables the support mechanism (3) and the machine body (1) to maintain a certain friction force; the support mechanism (3) can support the four sides of the carton under the action of friction force when the carton is tested for compressive strength, thereby simulating the state when the four sides of the carton are supported by other cartons when the carton is stacked. The support mechanism (3) includes sliding bars (32), mounting blocks (33) and support plates (34); four sliding bars (32) are fixedly connected to the body (1); four mounting blocks (33) are slidably connected to the four sliding bars (32); the support plate (34) is fixedly connected to the mounting blocks (33); a moving motor (36) is fixedly connected inside the mounting blocks (33); a roller (37) is fixedly connected to the output end of the moving motor (36); the roller (37) is in contact with the body (1); The friction unit (31) includes a friction block (311), a supporting electric push rod (312), and a fixing block (313); the mounting block (33) has a mounting cavity (35); the supporting electric push rod (312) is fixedly connected to the top of the mounting cavity (35), and the fixing block (313) is fixedly connected to the output end of the supporting electric push rod (312); the friction block (311) is fixedly connected to the fixing block (313).

2. The cardboard box compression strength testing device with side support according to claim 1, characterized in that: The fixed block (313) is in the shape of an inverted U. A second pressure sensor (314) is fixedly connected to one side wall of the fixed block (313). A sliding block (315) is slidably connected inside the fixed block (313). The sliding block (315) is fixedly connected to the friction block (311). A telescopic spring (316) is fixedly connected to the side wall inside the fixed block (313). The telescopic spring (316) causes the friction block (311) to contact the second pressure sensor (314).

3. The cardboard box compression strength testing device with side support according to claim 2, characterized in that: The support plate (34) is composed of a first plate (341) and a second plate (342); the first plate (341) is fixedly connected to the mounting block (33), and both sides of the first plate (341) are rotatably connected to the second plate (342) through torsion springs (343); the side of the second plate (342) away from the first plate (341) is rotatably connected to the second plate (342) through the torsion springs (343); a connecting electric push rod (344) and a connecting sleeve (345) are fixedly connected on the second plate (342); the connecting electric push rod (344) is also fixedly connected to both sides of the first plate (341); the output end of the connecting electric push rod (344) can be inserted into the corresponding connecting sleeve (345).

4. The cardboard box compression strength testing device with side support according to claim 3, characterized in that: The extrusion component (2) consists of a first block (21) and a second block (22); a telescopic electric push rod (23) is fixedly connected inside the first block (21); the other end of the telescopic electric push rod (23) is fixedly connected to the adjacent first block (21); a group of first blocks (21) forms a telescopic rod (24); the second block (22) is arranged between the adjacent long rods (24), and the second block (22) is fixedly connected to the first block (21); the telescopic electric push rod (23) is also fixedly connected inside the second block (22); the output end of the telescopic electric push rod (23) inside the second block (22) is connected to the opposite first block (21).

5. The cardboard box compression strength testing device with side support according to claim 4, characterized in that: An inclined block (346) is fixedly connected to the second plate (342); the inclined block (346) is fixedly connected to the connecting sleeve (345).

6. The cardboard box compression strength testing device with side support according to claim 5, characterized in that: The number of the first block (21) in a group is odd, and a connecting block (4) is fixedly connected to the first block (21) in the middle of the group; the number of the long rod (24) formed by the first blocks (21) is odd; the connecting block (4) in the middle is fixedly connected to the mounting base (14), and the remaining connecting blocks (4) are slidably connected to the mounting base (14).

7. The cardboard box compression strength testing device with side support according to claim 6, characterized in that: The first block (21) has a receiving groove (5); the output end of the telescopic electric push rod (23) on the second block (22) is fixedly connected to the groove wall of the corresponding receiving groove (5).

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