A sealing performance testing device for barrels used for storage and transportation of chemical materials

Abstract

The present invention relates to the technical field of barrel sealing detection, and in particular to a sealing performance detection device for barrels used for storage and transportation of chemical materials, including a conveying device for conveying plastic barrels; and also including an extrusion device, the extrusion device being arranged above the conveying device, and the extrusion device including a lifting plate arranged above the conveying device. The detection device used in the present invention makes two plastic barrels symmetrically distributed and subjected to force at the same time during the detection process, which not only increases the stability of the two plastic barrels, but also can avoid the plastic barrels from tilting during the detection, ensures the sealing performance at the outlet of the plastic barrel, and improves the accuracy of the plastic barrel sealing detection result.

Description

Technical Field

[0001] The invention relates to the technical field of barrel sealing detection, and in particular to a sealing performance detection device for a barrel dedicated for storage and transportation of chemical materials. Background Art

[0002] Special barrels for storing and transporting chemical materials are special containers for storing and transporting chemical raw materials and products. They are available in plastic barrels, metal barrels, composite barrels, ton barrels and other types. Among them, plastic barrels are one of the most widely used special barrels for storing and transporting chemical materials. The sealing performance of plastic barrels is very important when storing and transporting chemical materials. Plastic barrels with good sealing performance can prevent the leakage of stored chemical materials and protect the integrity and quality of the materials. At the same time, plastic barrels with good sealing performance can prevent external pollutants from entering and maintain the purity of chemical materials. Therefore, plastic barrels must be tested for sealing performance during production.

[0003] When the existing technology tests the sealing performance of plastic barrels, the plastic barrel to be tested is usually first conveyed to the bottom of the detector through a conveyor belt, and then the detector is started. The detection head on the detector moves downward and presses on the upper end of the plastic barrel outlet to ensure that the plastic barrel is in a sealed state. Then the detection head injects gas of a certain pressure into the barrel and observes the pressure indication on the detector to obtain the result of the plastic barrel sealing test.

[0004] However, the sealing test of plastic barrels is usually carried out individually, and the detection head of the detector only presses down on the outlet of the plastic barrel. Since the outlet of the plastic barrel is usually located on the side of the plastic barrel, the plastic barrel is prone to uneven force during testing. During the test, the plastic barrel will tilt due to the uneven force, thereby affecting the sealing effect at the outlet of the plastic barrel, thereby reducing the accuracy of the test results. Summary of the invention

[0005] Based on this, it is necessary to provide a sealing performance testing device for special barrels for storage and transportation of chemical materials, aiming to solve the problems existing in the existing technology when performing sealing testing on plastic barrels.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme to achieve: a sealing performance testing device for special barrels for storing and transporting chemical materials, including: a conveying device for conveying plastic barrels.

[0007] It also includes an extrusion device, which is arranged above the conveying device, and the extrusion device includes a lifting plate arranged above the conveying device.

[0008] It also includes a detection device, which is provided with two detection devices and is symmetrically connected to the lifting plate front and back, and the detection device includes a sliding through hole opened on the lifting plate, the sliding through hole is connected with an adjustment mechanism, the adjustment mechanism is connected with a distance adjustment mechanism, the distance adjustment mechanism is connected with a clamping plate, the clamping plate is symmetrically connected with a positioning mechanism on the left and right, and the clamping plate is also connected with a detection mechanism.

[0009] The alignment mechanism comprises a lifting branch chain connected to the clamping plate, the lower end of the lifting branch chain is connected to a strip plate, the lower end of the strip plate is detachably mounted with an alignment block by bolts, and the alignment block is provided with different specifications.

[0010] According to an embodiment of the present invention, the conveying device includes a conveyor belt, and a plurality of evenly distributed limiting mechanisms for limiting the position of the plastic barrel are connected to the conveyor belt.

[0011] According to an embodiment of the present invention, the extrusion device further comprises a top seat plate arranged above the lifting plate, and hydraulic push rods are symmetrically mounted on the top seat plate, and moving sections of two hydraulic push rods are fixedly connected to the lifting plate.

[0012] According to an embodiment of the present invention, the detection device further comprises an extension plate installed at the opposite end of the pressing plate, a plurality of evenly distributed positioning through holes are formed on the extension plate, and a positioning mechanism is connected to the extension plate.

[0013] According to an embodiment of the present invention, the limiting mechanism includes two support plates installed on the conveyor belt and symmetrically distributed on the left and right, and an adjusting screw in a horizontal state is threadedly connected to the support plate. The opposite end of the adjusting screw is rotatably connected to the limiting rod, and two guide rods symmetrically distributed front and back are installed on one end of the limiting rod close to the support plate, and the guide rods slide through and cooperate with the support plate.

[0014] According to an embodiment of the present invention, the adjustment mechanism includes an I-shaped sliding block slidably connected in the sliding through hole, and the lifting plate is provided with a plurality of evenly distributed limiting through holes on the left and right sides of the sliding through hole. A plurality of evenly distributed plug-in rods are slidably penetrated and connected on the left and right sides of the sliding block, and the plurality of plug-in rods are plugged into and matched with the corresponding limiting through holes, and a waist-shaped plate is commonly installed on the upper ends of the plurality of plug-in rods on the same side.

[0015] According to an embodiment of the present invention, the distance adjusting mechanism includes a distance adjusting screw threadedly connected to the sliding block and in a vertical state, the lower end of the distance adjusting screw is rotatably connected to the clamping plate, and a guide rod is symmetrically installed on the upper end of the clamping plate, and the guide rod slides through the sliding block.

[0016] According to an embodiment of the present invention, the detection mechanism includes an intake pipe that is installed through the clamping plate and is in a vertical state, a connecting hose is installed at the upper end of the intake pipe, the connecting hose passes through the lifting plate, and a sealing cover is installed on the outer surface of the intake pipe and is located below the clamping plate.

[0017] According to an embodiment of the present invention, the lifting branch chain includes two lifting columns symmetrically installed on the upper ends of the strip plates, the upper ends of the lifting columns slide through the clamping plate, a connecting plate is commonly installed on the upper ends of the two clamping plates on the same side, and a telescopic spring is installed between the lower end of the connecting plate and the clamping plate.

[0018] According to an embodiment of the present invention, the positioning mechanism comprises a J-shaped rod slidably mounted on the extension plate, a horizontal positioning column is inserted into the upper end of the J-shaped rod, and the positioning column is plugged into and matched with any one of the positioning through holes.

[0019] In summary, the present invention includes the following beneficial technical effects:

[0020] 1. The detection device used in the present invention can be closely attached to two plastic barrels and perform detection at the same time, which improves the detection efficiency. During the detection, the two plastic barrels are subjected to force at the same time, which effectively reduces the pressure on a single plastic barrel, thereby avoiding deformation of the plastic barrel during the detection process and ensuring the integrity of the plastic barrel.

[0021] 2. The detection device used in the present invention makes the two plastic barrels symmetrically distributed and subjected to force at the same time during the detection process, which not only increases the stability of the plastic barrel, but also avoids the plastic barrel from tilting during the detection, ensures the sealing at the outlet of the plastic barrel, and improves the accuracy of the sealing detection result.

[0022] 3. The limiting mechanism and the detection device used in the present invention can be adjusted accordingly according to the size of the plastic barrel to be detected, thereby increasing the applicability of the detection equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0024] Figure 1 A schematic diagram of the three-dimensional structure of the present invention from a first viewing angle is shown.

[0025] Figure 2 A schematic diagram of the second viewing angle stereoscopic structure of the present invention is shown.

[0026] Figure 3A front view of the present invention is shown.

[0027] Figure 4 A left side view of the present invention is shown.

[0028] Figure 5 Shows Figure 3 Sectional view of AA.

[0029] Figure 6 Shows Figure 4 Cross-sectional view of BB.

[0030] Figure 7 Shows Figure 6 Magnified view of the middle N region.

[0031] Figure 8 A schematic structural diagram of a portion of the lifting plate and the detection device of the present invention is shown.

[0032] Fig. 9 The working schematic diagram of the present invention is shown.

[0033] Fig.10 A structural schematic diagram of a plastic barrel is shown.

[0034] The above drawings include the following reference numerals: 1. conveying device; 11. conveying belt; 12. limiting mechanism; 121. supporting plate; 122. adjusting screw; 123. limiting rod; 124. guide rod; 2. extruding device; 21. lifting plate; 22. top seat plate; 23. hydraulic push rod; 3. detection device; 31. sliding through hole; 32. adjusting mechanism; 321. sliding block; 322. limiting through hole; 323. plug-in rod; 324. waist plate; 33. adjusting screw; Distance mechanism; 331, distance adjusting screw; 332, guide rod; 34, clamping plate; 35, alignment mechanism; 351, lifting branch chain; 3511, lifting column; 3512, connecting plate; 3513, telescopic spring; 352, strip plate; 353, alignment block; 36, detection mechanism; 361, air inlet pipe; 362, connecting hose; 363, sealing cover; 37, extension plate; 38, positioning through hole; 39, positioning mechanism; 391, J-rod; 392, positioning column. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0036] See also Figure 1, Figure 3 and Figure 4 , a sealing performance testing device for barrels specially used for storing and transporting chemical materials, comprising a conveying device 1 for conveying plastic barrels.

[0037] See also Figure 1 and Figure 2 The conveying device 1 includes a conveyor belt 11, and a plurality of evenly distributed limiting mechanisms 12 are connected to the conveyor belt 11 for limiting the position of the plastic barrel. The conveyor belt 11 is a transmission belt on an existing belt conveyor, and the conveyor belt 11 is installed on the existing belt conveyor.

[0038] See also Figure 1 , Figure 5 and Figure 6 The limiting mechanism 12 includes two support plates 121 installed on the conveyor belt 11 and symmetrically distributed on the left and right. The support plate 121 is threadedly connected with an adjusting screw 122 in a horizontal state. The opposite end of the adjusting screw 122 is rotatably connected to a limiting rod 123. The end of the limiting rod 123 close to the support plate 121 is equipped with two guide rods 124 symmetrically distributed front and back. The guide rods 124 slide through and cooperate with the support plate 121.

[0039] During specific operation, the plurality of adjusting screws 122 are rotated in sequence, and the adjusting screws 122 drive the limiting rods 123 to move, thereby changing the distance between the two relative limiting rods 123. The distance between the two relative limiting rods 123 is greater than the width of the plastic barrel. The guide rods 124 guide the movement of the limiting rods 123. Subsequently, two plastic barrels of the same width are placed symmetrically between the corresponding two limiting rods 123. The bottom of the plastic barrel is in close contact with the conveyor belt 11. The two limiting rods 123 perform preliminary horizontal limiting on the two plastic barrels (such as Fig. 9 shown).

[0040] See also Figure 1 and Figure 5 The sealing performance testing equipment for chemical material storage and transportation barrels also includes an extrusion device 2, which is arranged above the conveying device 1, and the extrusion device 2 includes a lifting plate 21 arranged above the conveying device 1.

[0041] See also Figure 1 , Figure 2 and Figure 5 The extrusion device 2 also includes a top seat plate 22 arranged above the lifting plate 21, and hydraulic push rods 23 are symmetrically installed on the top seat plate 22, and the moving sections of the two hydraulic push rods 23 are fixedly connected to the lifting plate 21.

[0042] Before work, the top base plate 22 is fixed on the mounting frame above the belt conveyor, and the two hydraulic push rods 23 are connected to the existing hydraulic pump.

[0043] See also Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 The sealing performance testing equipment for chemical material storage and transportation barrels also includes a testing device 3, two of which are symmetrically connected to the lifting plate 21 front and back, and the testing device 3 includes a sliding through hole 31 opened on the lifting plate 21, and an adjustment mechanism 32 is connected to the sliding through hole 31.

[0044] See also Figure 5 , Figure 7 and Figure 8 The adjusting mechanism 32 includes an I-shaped sliding block 321 which is slidably connected in the sliding through hole 31. The lifting plate 21 is provided with a plurality of evenly distributed limiting through holes 322 on both sides of the sliding through hole 31. A plurality of evenly distributed plug rods 323 are slidably penetrated and connected on both sides of the sliding block 321. The plurality of plug rods 323 are plugged into and matched with the corresponding limiting through holes 322. A waist plate 324 is commonly installed on the upper ends of the plurality of plug rods 323 on the same side.

[0045] During specific operation, the two sliding blocks 321 are slid in sequence according to the spacing between the upper outlets of the two placed plastic barrels. When the sliding block 321 slides to the desired position, a plurality of plug-in rods 323 are inserted into the sliding block 321 through the waist plate 324 and plugged into a plurality of corresponding limiting through holes 322 to achieve the function of limiting the sliding block 321.

[0046] See also Figure 1 , Figure 5 , Figure 7 and Figure 8 The adjusting mechanism 32 is connected to a distance adjusting mechanism 33, and the distance adjusting mechanism 33 is connected to a clamping plate 34. The distance adjusting mechanism 33 includes a distance adjusting screw 331 which is threadedly connected to the sliding block 321 and is in a vertical state. The lower end of the distance adjusting screw 331 is rotatably connected to the clamping plate 34. The upper end of the clamping plate 34 is symmetrically installed with a guide rod 332, and the guide rod 332 slides through the sliding block 321.

[0047] During specific operation, the sliding block 321 slides and drives the clamping plate 34 to move through the distance adjusting screw 331 and the guide rod 332. After the sliding block 321 is positioned, the two distance adjusting screws 331 are rotated in turn according to the heights of the two placed plastic barrels. The distance adjusting screw 331 moves in the sliding block 321 and drives the clamping plate 34 to move up and down, so that the clamping plate 34 moves to the desired position. The heights of the two clamping plates 34 can be inconsistent, so as to realize the function of simultaneously detecting plastic barrels of different heights.

[0048] See also Figure 1 , Figure 4 , Figure 6 and Figure 8 The detection device 3 also includes an extension plate 37 installed at the opposite end of the pressing plate 34, and a plurality of evenly distributed positioning through holes 38 are opened on the extension plate 37. A positioning mechanism 39 is connected to the extension plate 37.

[0049] See also Figure 2 and Figure 8 The positioning mechanism 39 includes a J-shaped rod 391 slidably mounted on the extension plate 37 , and a horizontal positioning column 392 is inserted into the upper end of the J-shaped rod 391 , and the positioning column 392 is plugged into and matched with any one of the positioning through holes 38 .

[0050] During specific operation, after the clamping plate 34 moves to the desired position, the J-shaped rod 391 is slid according to the length of the two plastic barrels. After the J-shaped rod 391 moves to the desired position on the extension plate 37, the positioning column 392 is inserted into the J-shaped rod 391 and engaged with the corresponding positioning through hole 38, so that the spacing between the two J-shaped rods 391 matches the length of the combination of the two plastic barrels.

[0051] See also Figure 1 , Figure 2 , Figure 5 and Figure 8 The clamping plate 34 is symmetrically connected to a positioning mechanism 35, and the positioning mechanism 35 includes a lifting branch chain 351 connected to the clamping plate 34, and the lower end of the lifting branch chain 351 is connected to a strip plate 352, and the lower end of the strip plate 352 is detachably mounted with a positioning block 353 by bolts, and the positioning block 353 is provided with different specifications.

[0052] See also Figure 6 and Figure 8 The lifting branch chain 351 includes two lifting columns 3511 symmetrically installed on the upper end of the strip plate 352. The upper ends of the lifting columns 3511 slide through the clamping plate 34. A connecting plate 3512 is commonly installed on the upper ends of the two clamping plates 34 on the same side. A telescopic spring 3513 is installed between the lower end of the connecting plate 3512 and the clamping plate 34.

[0053] Before working, check the depressions on both sides of the handle at the top of the plastic bucket (such as Fig.10The shape and size of the belt conveyor are shown in the figure, and the corresponding positioning block 353 is selected and installed at the lower end of the strip plate 352. When working, the existing belt conveyor is started, and the belt conveyor drives the conveyor belt 11 to rotate. The conveyor belt 11 drives the two limit rods 123 to move through the corresponding two support plates 121 and the two adjusting screws 122. After the two limit rods 123 drive the corresponding two plastic barrels to move to the bottom of the lifting plate 21, the belt conveyor is stopped, and the two hydraulic push rods 23 are started. The two hydraulic push rods 23 drive the lifting plate 21 to descend. The lifting plate 21 drives the two distance adjusting screws 331 to descend through the two sliding blocks 321. The two distance adjusting screws 331 drive the two pressing plates 3 4 descends, and the pressing plate 34 drives the two alignment blocks 353 to move downward through the four lifting columns 3511 on the left and right sides. The two alignment blocks 353 enter the recesses on both sides of the handle at the upper end of the plastic bucket. In this process, the two alignment blocks 353 further accurately adjust the position of the plastic bucket to ensure that the plastic bucket is located directly below the pressing plate 34. When the two pressing plates 34 descend, the two J-shaped rods 391 are driven to move downward through the two extension plates 37. The bending parts of the lower ends of the two J-shaped rods 391 push the two plastic buckets, further ensuring the accuracy of the positions of the two plastic buckets, and limiting the front and rear positions of the two plastic buckets to prevent the two plastic buckets from moving due to external forces before detection.

[0054] See also Figure 1 , Figure 2 , Figure 5 and Figure 8 The clamping plate 34 is also connected to a detection mechanism 36, which includes an air intake pipe 361 that is installed through the clamping plate 34 and is in a vertical state. A connecting hose 362 is installed at the upper end of the air intake pipe 361, and the connecting hose 362 passes through the lifting plate 21. A sealing cover 363 located below the clamping plate 34 is installed on the outer surface of the air intake pipe 361.

[0055] A sealing ring is laid at the lower end of the top wall of the sealing cover 363. Initially, the two connecting hoses 362 are connected to the existing air pump outside. When working, the sliding block 321 slides and drives the clamping plate 34 to move through the pitch adjusting screw 331 and the guide rod 332. The clamping plate 34 drives the air inlet pipe 361 to move to the outlet at the upper end of the plastic barrel. Then, the two clamping plates 34 descend at the same time and drive the air inlet pipe 361 to enter the plastic barrel from the corresponding upper end outlet of the plastic barrel. The air inlet pipe 361 drives the sealing cover 363 to move to the upper end of the plastic barrel outlet. Then, the two air inlet pipes 361 continue to move downward until the sealing rings on the two sealing covers 363 are tightly attached to the upper end of the plastic barrel outlet, thereby realizing the function of sealing the two plastic barrels. The two sealing covers 363 move to the upper end of the plastic barrel outlet. During the process, the depressions on both sides of the handle at the upper end of the plastic barrel block the two alignment blocks 353, and the two alignment blocks 353 drive the two connecting plates 3512 to rise through the four lifting columns 3511. The two connecting plates 3512 stretch the two telescopic springs 3513, and the two sealing covers 363 are pressed on the upper end of the plastic barrel at the same time, so that the two plastic barrels can be inspected at the same time, which improves the efficiency of plastic barrel inspection. During the inspection, the two plastic barrels are subjected to force at the same time, which effectively reduces the pressure on a single plastic barrel and avoids deformation of the plastic barrel during the inspection process. The two plastic barrels are symmetrically distributed and subjected to force at the same time, which not only increases the stability of the plastic barrel, but also avoids the plastic barrel from tilting during inspection, ensures the sealing at the outlet of the plastic barrel, and improves the accuracy of the sealing inspection results.

[0056] Then start the air pump, which injects air into the two plastic barrels at the same time and maintains the pressure for a period of time. Then record the changes in the air pressure display on the air pump to obtain the test results. After the two plastic barrels are tested, start the two hydraulic push rods 23, which drive the lifting plate 21 to rise and reset, and the lifting plate 21 drives the detection device 3 to rise and reset. Then the conveyor belt 11 transports the two untested plastic barrels to the testing position, and repeat the previous steps of testing the two plastic barrels until all the plastic barrels are tested.

[0057] In the description of the embodiments of the present invention, it should be noted that the terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "top", "bottom", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0058] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0059] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sealing performance testing device for chemical material storage and transportation barrels, characterized in that: include: A conveying device (1) for conveying plastic barrels; An extrusion device (2) is arranged above the conveying device (1), and the extrusion device (2) comprises a lifting plate (21) arranged above the conveying device (1); The detection device (3) is provided with two and is symmetrically connected to the lifting plate (21) in front and back, the detection device (3) comprises a sliding through hole (31) provided on the lifting plate (21), the sliding through hole (31) is connected to an adjustment mechanism (32), the adjustment mechanism (32) is connected to a distance adjustment mechanism (33), the distance adjustment mechanism (33) is connected to a clamping plate (34), the clamping plate (34) is symmetrically connected to a positioning mechanism (35), and the clamping plate (34) is also connected to a detection mechanism (36); The alignment mechanism (35) comprises a lifting branch chain (351) connected to the pressing plate (34); the lower end of the lifting branch chain (351) is connected to a strip plate (352); the lower end of the strip plate (352) is detachably mounted with an alignment block (353) via bolts; the alignment block (353) is provided with different specifications; The adjusting mechanism (32) comprises an I-shaped sliding block (321) slidably connected in the sliding through hole (31); the lifting plate (21) is provided with a plurality of evenly distributed limiting through holes (322) at both left and right sides of the sliding through hole (31); a plurality of evenly distributed plug rods (323) are slidably penetrated and connected at both left and right sides of the sliding block (321); the plurality of plug rods (323) are plugged and matched with the corresponding limiting through holes (322); and a waist plate (324) is commonly installed at the upper ends of the plurality of plug rods (323) on the same side; The distance adjustment mechanism (33) comprises a distance adjustment screw rod (331) which is threadedly connected to the sliding block (321) and is in a vertical state. The lower end of the distance adjustment screw rod (331) is rotatably connected to the clamping plate (34). A guide rod (332) is symmetrically installed on the upper end of the clamping plate (34). The guide rod (332) slides through the sliding block (321). The detection mechanism (36) comprises an air intake pipe (361) which is installed through the pressing plate (34) and in a vertical state, a connecting hose (362) is installed at the upper end of the air intake pipe (361), the connecting hose (362) passes through the lifting plate (21), and a sealing cover (363) located below the pressing plate (34) is installed on the outer surface of the air intake pipe (361); The lifting branch chain (351) comprises two lifting columns (3511) symmetrically installed on the upper end of the strip plate (352) in front and back directions, the upper ends of the lifting columns (3511) slide through the clamping plate (34), and a connecting plate (3512) is commonly installed on the upper ends of the two clamping plates (34) on the same side, and a telescopic spring (3513) is installed between the lower end of the connecting plate (3512) and the clamping plate (34).

2. The sealing performance testing equipment for chemical material storage and transportation barrels according to claim 1 is characterized by: The conveying device (1) comprises a conveying belt (11), to which a plurality of evenly distributed limiting mechanisms (12) are connected for limiting the position of the plastic barrels.

3. The sealing performance testing equipment for chemical material storage and transportation barrels according to claim 1 is characterized by: The extrusion device (2) also includes a top seat plate (22) arranged above the lifting plate (21), and hydraulic push rods (23) are symmetrically installed on the top seat plate (22), and the moving sections of the two hydraulic push rods (23) are fixedly connected to the lifting plate (21).

4. The sealing performance testing equipment for chemical material storage and transportation barrels according to claim 1 is characterized by: The detection device (3) further comprises an extension plate (37) mounted on the opposite end of the pressing plate (34), a plurality of evenly distributed positioning through holes (38) are provided on the extension plate (37), and a positioning mechanism (39) is connected to the extension plate (37).

5. The sealing performance testing equipment for chemical material storage and transportation barrels according to claim 2 is characterized by: The limiting mechanism (12) comprises two support plates (121) which are installed on the conveyor belt (11) and are symmetrically distributed on the left and right. The support plates (121) are threadedly connected with an adjusting screw (122) in a horizontal state. The opposite end of the adjusting screw (122) is rotatably connected to a limiting rod (123). The end of the limiting rod (123) close to the support plate (121) is equipped with two guide rods (124) which are symmetrically distributed in the front and back. The guide rods (124) are slidably penetrated and matched with the support plates (121).

6. The sealing performance testing equipment for chemical material storage and transportation barrels according to claim 4 is characterized by: The positioning mechanism (39) comprises a J-shaped rod (391) slidably mounted on the extension plate (37), a positioning column (392) in a horizontal state is inserted into the upper end of the J-shaped rod (391), and the positioning column (392) is inserted into and matched with any one of the positioning through holes (38).

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