Anti-deformation protection device for air tightness detection of tinplate can

Abstract

The utility model discloses an anti-deformation protection device for air tightness detection of tinplate cans. The anti-deformation protection device comprises a conveying belt used for conveying tinplate cans to be detected. The two sets of mounting blocks are symmetrically distributed on the two sides of the conveying belt, and side fixing assemblies used for fixing can bodies of the to-be-detected tin cans are arranged on the upper surfaces of the two sets of mounting blocks; the fixed frame and the inflation disc are located above the conveying belt, and the inflation disc is matched with the size of the seaming position of an upper cover of the tin can to be detected; the upper fixing assembly is arranged on the side face of the fixing frame, and the upper fixing assembly is used for controlling the inflation disc to cover the upper cover seaming position of the to-be-detected tin can so as to limit deformation of the upper cover seaming position of the to-be-detected tin can in the pressurizing process. According to the utility model, through the design of the side fixing assembly, the problem of deformation of the can body of the tin can to be detected after pressurization can be avoided, and through the upper fixing assembly, seaming deformation and can body deformation caused by pressurization can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal packaging airtightness detection technical field, concretely is a kind of anti-deformation protection device for tinplate can airtightness detection. BACKGROUND

[0002] Tinplate can is a common metal container, usually made of tinplate. Currently, for 3-piece packaging cans and large square cans with a capacity of less than 25 liters, airtightness detection is required after forming by roll sealing. The thickness of these can bodies is usually between 0.19 and 0.35 mm. Although the strength is enhanced by pressing the web and the corner rib during can body forming, the tinplate thickness at the roll sealing of the upper and lower covers of the can body of the large square can differs, which may cause the can body to deform after pressurization during airtightness detection. To ensure the accuracy of airtightness testing of large square cans, it is necessary to prevent the can body from deforming while maintaining air pressure.

[0003] After searching, the prior art discloses a kind of tinplate can processing air-tightness detection device in authorized announcement number: CN216899510U, including workbench, the workbench top is fixedly arranged with placing plate, the placing plate top board center is opened with tinplate can placing groove;The bracket is installed on the workbench, and the electric cylinder is symmetrically installed on the bracket horizontal plate bottom plate, the electric cylinder stretches out end vertically downward, and the end is fixedly connected with mounting plate, the mounting plate bottom plate is installed with the sealing pad made of flexible rubber material, and the sealing pad is located above placing groove;Air pump and control cabinet are arranged on the workbench, the sealing pad is inserted with inflation tube, the inflation tube other end is connected with the air outlet of air pump by passing through mounting plate, and air pressure sensor is arranged on the bottom plate of sealing pad.

[0004] The above-mentioned patent in use, due to the tinplate thickness difference of the can body and the upper and lower cover roll sealing of the large square can, which may cause the can body to deform after pressurization;Therefore we need to put forward a kind of tinplate can airtightness detection anti-deformation protection device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of tinplate can airtightness detection anti-deformation protection device, by pushing module and two groups of clamps the tinplate can to be detected are clamped, and the clamping force of two groups of clamps is adjusted by adjusting module, to avoid the deformation of can body after pressurization, then the inflation disc is combined with the upper cover roll sealing of the tinplate can to be detected by upper fixed assembly, to avoid the deformation of the upper cover roll sealing of the tinplate can to be detected in the pressurization process, to solve the problem raised in the above background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of tinplate can airtightness detection anti-deformation protection device for conveying belt for conveying tinplate can to be detected;

[0007] Two groups of mounting blocks symmetrically distributed on both sides of the conveying belt, the upper surfaces of the two groups of mounting blocks are provided with side fixing assemblies for fixing the can bodies of the tin cans to be detected;

[0008] The anti-deformation protection device for tin can airtightness detection further comprises: a fixed frame above the conveying belt and an inflation disc, the inflation disc is matched in size with the upper cover sealing portion of the tin can to be detected; and an upper fixing assembly provided on the side surface of the fixed frame, the upper fixing assembly is used to control the inflation disc to cover the upper cover sealing portion of the tin can to be detected, so as to limit the deformation of the upper cover sealing portion of the tin can to be detected during the pressurization process.

[0009] Preferably, the side fixing assembly comprises clamping plates, an adjusting module and a pushing module, the clamping plates are provided in two groups, the two groups of clamping plates are symmetrically arranged on both sides of the tin can to be detected, and the adjusting module and the pushing module are respectively arranged on the upper surfaces of the two groups of mounting blocks to drive the two groups of clamping plates to clamp the tin can to be detected.

[0010] Preferably, the adjusting module comprises a right screw rod seat, a right screw rod and an adjusting hand wheel.

[0011] The right screw rod seat is bolted to the upper surface of one group of mounting blocks, the right screw rod is threaded through the right screw rod seat, one end of the right screw rod close to the tin can to be detected is rotationally connected with one group of clamping plates, and the other end of the right screw rod away from the tin can to be detected is fixedly connected with the adjusting hand wheel.

[0012] Preferably, the pushing module comprises a cylinder seat and a horizontal hydraulic push rod.

[0013] The cylinder seat is bolted to the upper surface of the other group of mounting blocks, the horizontal hydraulic push rod is arranged on the side of the cylinder seat close to the tin can to be detected, and the other group of clamping plates is fixedly connected with the working end of the horizontal hydraulic push rod, and the corresponding surfaces of the two groups of clamping plates are provided with protective sponges.

[0014] Preferably, the upper fixing assembly comprises a moving block, a fixed block, a vertical hydraulic push rod, a moving module and a limiting module.

[0015] The moving block is slidingly arranged in the fixed frame, the fixed block is fixedly installed on the lower surface of the moving block, the vertical hydraulic push rod is arranged on the lower surface of the fixed block, and the inflation disc is fixedly connected with the working end of the vertical hydraulic push rod.

[0016] Preferably, the moving module comprises a connecting block and an adjusting screw rod.

[0017] Two groups of the connecting blocks are symmetrically installed on both sides of the fixed frame, the adjusting screw rod is rotatably arranged in the fixed frame, the moving block is threadedly sleeved with the outer arc surface of the fixed frame, and the adjusting screw rod is provided with another adjusting hand wheel at one end penetrating through the connecting block.

[0018] Preferably, the limiting module comprises a guide rod fixing plate and a limiting guide rod.

[0019] The guide rod fixing plate is fixedly arranged on the outer arc surface of the vertical hydraulic push rod, two groups of the limiting guide rods are slidably penetrated through the guide rod fixing plate, and the bottom ends of the two groups of the limiting guide rods are fixedly connected with the upper surface of the inflation disc.

[0020] Preferably, the conveying belt is provided with a conveying belt pressing wheel on the inner side, the conveying belt is provided with a can blocking cylinder on the side, and the working end of the can blocking cylinder is fixedly connected with a blocking block.

[0021] Preferably, the lower surface of the inflation disc is provided with a clamping groove corresponding to the top end of the tin can to be detected, and the clamping groove is fixedly provided with a silica gel ring.

[0022] Compared with the prior art, the utility model has the advantages that:

[0023] The utility model discloses a kind of tin can detection devices, including fixed frame, adjusting screw rod and moving block, the fixed frame is provided with two groups of connecting blocks, and the connecting block is provided with two groups of limiting guide rods.

[0024] Other features and advantages of the present application will be further described in the following specification, and some of them become apparent from the specification, or are understood by implementing the present application. The purpose and other advantages of the present application can be realized and obtained by the structure indicated in the specification and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is overall structure schematic diagram of the utility model;

[0026] Figure 2 It is lower structure schematic diagram of the utility model inflation disc;

[0027] Figure 3 It is upper structure schematic diagram of the utility model inflation disc;

[0028] Figure 4 It is explosion diagram of the utility model mobile module.

[0029] In the diagram: 1. Conveyor belt; 2. Mounting block; 3. Right lead screw seat; 4. Clamping plate; 5. Inflatable disc; 6. Connecting block; 7. Moving block; 8. Fixing block; 9. Vertical hydraulic push rod; 10. Tin can to be tested; 11. Cylinder seat; 12. Conveyor belt pressure roller; 13. Can-blocking cylinder; 14. Stop block; 15. Conveyor belt frame; 16. Right lead screw; 17. Adjusting handwheel; 18. Protective sponge; 19. Horizontal hydraulic push rod; 20. Adjusting lead screw; 21. Fixing frame; 22. Guide rod fixing plate; 23. Limiting guide rod; 24. Silicone ring. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] like Figures 1-4 As shown, this utility model provides a deformation-preventing protection device for airtightness testing of tin cans, including: a conveyor belt 1 for conveying the tin can to be tested; two sets of mounting blocks 2 symmetrically distributed on both sides of the conveyor belt 1, with side fixing components provided on the upper surface of the two sets of mounting blocks 2 for fixing the body of the tin can to be tested; the deformation-preventing protection device for airtightness testing of tin cans also includes: a fixing frame 21 and an inflation plate 5 located above the conveyor belt 1, the inflation plate being adapted to the size of the top cover roll-up of the tin can to be tested; and an upper fixing component provided on the side of the fixing frame 21, the upper fixing component being used to control the inflation plate 5 to cover the top cover roll-up of the tin can to be tested, so as to limit the deformation of the top cover roll-up of the tin can to be tested during the pressurization process.

[0032] In this embodiment, the anti-deformation protection device for tin can airtightness testing includes a conveyor belt 1 for transporting the tin can to be tested, a mounting block 2, an inflation plate 5, and a fixing frame 21. A conveyor belt frame 15 is set to ensure the stability of the conveyor belt 1 during operation. At the same time, a conveyor belt pressure roller 12 is set to press the belt, change the running direction, and increase friction to further ensure the stability of the conveyor belt 1 during operation.

[0033] There are two sets of mounting blocks 2, which are symmetrically arranged on both sides of the conveyor belt 1. The mounting blocks 2 and the tank-blocking cylinder 13 are both placed on the base plate. The inner side of the conveyor belt 1 is provided with a conveyor belt pressure roller 12, and the side of the conveyor belt 1 is provided with a tank-blocking cylinder 13. The working end of the tank-blocking cylinder 13 is fixedly connected to a stop block 14.

[0034] The conveying belt 1 drives the tin can 10 to be tested to move to the test station, and then the stop cylinder 13 drives the stopper 14 to extend to stop the tin can 10 to be tested for positioning; the lower surface of the inflation disc 5 is provided with a clamping groove corresponding to the top end of the tin can 10 to be tested, and a silica gel ring 24 is fixedly arranged in the clamping groove. Through the cooperation of the clamping groove and the silica gel ring 24, the technical effect of improving the stability of the silica gel ring 24 after contacting the tin can 10 to be tested is realized, and the problem that the tin can 10 to be tested may be deformed during clamping is solved. The inflation disc 5 is used for inflating high-pressure gas into the tin can 10 to be tested, for detecting whether the tin can 10 to be tested leaks, and is connected with a gas pipe, a gas pump, a pressure gauge and the like.

[0035] As preferred, the upper surfaces of the two groups of mounting blocks 2 are provided with side fixing assemblies for fixing the tin can 10 to be tested; the side fixing assembly comprises a clamping plate 4, an adjusting module and a pushing module, the clamping plate 4 is provided in two groups, the two groups of clamping plates 4 are arranged on the two sides of the tin can 10 to be tested, and the adjusting module and the pushing module are arranged on the upper surfaces of the two groups of mounting blocks 2 for respectively driving the two groups of clamping plates 4 to clamp the can body of the tin can to be tested;

[0036] Further, the pushing module comprises a cylinder seat 11 and a horizontal hydraulic push rod 19, the cylinder seat 11 is bolted to the upper surface of the other group of mounting blocks 2, the horizontal hydraulic push rod 19 is arranged on the side of the cylinder seat 11 close to the tin can 10 to be tested, and the other group of clamping plates 4 is fixedly connected with the working end of the horizontal hydraulic push rod 19. The corresponding surfaces of the two groups of clamping plates 4 are provided with protective sponges 18. The cylinder seat 11 is arranged on the upper surface of the mounting block 2, then the horizontal hydraulic push rod 19 is supported by the cylinder seat 11, and then the horizontal hydraulic push rod 19 drives one group of clamping plates 4 to move towards the tin can 10 to be tested.

[0037] The horizontal hydraulic push rod 19 can adjust one group of clamping plates 4, and the position of the other group of clamping plates 4 is adjusted manually, so that the pressure of the two groups of clamping plates 4 on the tin can 10 to be tested can be better controlled. Through the cooperation of the clamping plate 4 and the horizontal hydraulic push rod 19 structure, the technical effect of clamping and fixing the tin can 10 to be tested by the two groups of clamping plates 4 is realized, and cotton is arranged between the two groups of clamping plates 4 to solve the technical problem that the tin can 10 to be tested is deformed by the two groups of clamping plates 4.

[0038] Further, the adjusting module comprises a right screw rod seat 3, a right screw rod 16 and an adjusting hand wheel 17. The right screw rod seat 3 is bolted to the upper surface of a set of mounting blocks 2. The right screw rod 16 is threaded through the right screw rod seat 3. The end of the right screw rod 16 close to the tin can 10 to be detected is rotationally connected to a set of clamping plates 4. The end of the right screw rod 16 away from the tin can 10 to be detected is fixedly connected to the adjusting hand wheel 17. The right screw rod 16 is driven to rotate and move at the same time by rotating the adjusting hand wheel 17, thereby driving the clamping plates 4 on the side of the right screw rod 16 to move close to or away from the tin can 10 to be detected. Through the cooperation of the clamping plates 4 and the right screw rod 16, the effect of adjusting the clamping force of the two sets of clamping plates 4 on the tin can 10 to be detected is realized, and the technical problem of the tin can 10 to be detected being deformed due to excessive clamping force of the two sets of clamping plates 4 is solved.

[0039] Further, the fixed frame 21 is provided with an upper fixing assembly on the side for driving the inflation disc 5 to move left and right and up and down to fix the upper cover of the tin can 10 to be detected. The upper fixing assembly comprises a moving block 7, a fixed block 8, a vertical hydraulic push rod 9, a moving module and a limiting module. The moving block 7 is slidingly arranged in the fixed frame 21. The fixed block 8 is fixedly installed on the lower surface of the moving block 7. The vertical hydraulic push rod 9 is arranged on the lower surface of the fixed block 8, and the inflation disc 5 is fixedly connected to the working end of the vertical hydraulic push rod 9. The moving block 7 drives the fixed block 8 to move, and then the vertical hydraulic push rod 9 at the bottom end of the fixed block 8 drives the inflation disc 5 to move in the left and right or up and down direction to fix the upper cover of the tin can 10 to be detected, and then air is injected into the tin can through the air injection pipe for pressure operation.

[0040] It is worth mentioning that the moving module comprises a connecting block 6 and an adjusting screw rod 20. Two sets of connecting blocks 6 are symmetrically installed on the two sides of the fixed frame 21. The two sets of connecting blocks 6 are arranged to facilitate the fixation of the fixed frame 21 on the surface of the wall. The adjusting screw rod 20 is rotationally arranged in the fixed frame 21. The moving block 7 is threadedly sleeved to the outer arc surface of the fixed frame 21. One end of the adjusting screw rod 20 penetrates through the connecting block 6 and is provided with another adjusting hand wheel 17. The adjusting screw rod 20 is driven to rotate by rotating the other adjusting hand wheel 17. The adjusting screw rod 20 drives the moving block 7 to move along the inside of the fixed frame 21 through the thread. Through the cooperation of the moving block 7 and the adjusting screw rod 20, the effect of driving the lower inflation disc 5 to move is realized, and the technical problem that the inflation disc 5 cannot be clamped on the upper part of the tin can 10 to be detected is solved.

[0041] Specifically, the limiting module comprises a guide rod fixing plate 22 and a limiting guide rod 23, the guide rod fixing plate 22 is fixedly arranged on the outer arc surface of the vertical hydraulic push rod 9, the limiting guide rod 23 is provided with two groups, and the two groups of limiting guide rods 23 are slidably penetrated through the guide rod fixing plate 22, the bottom ends of the two groups of limiting guide rods 23 are fixedly connected with the upper surface of the inflatable disc 5, and the two groups of limiting guide rods 23 are connected with the guide rod fixing plate 22 and the inflatable disc 5 at the same time, so that the limiting of the inflatable disc 5 is realized through the cooperation of the guide rod fixing plate 22 and the limiting guide rod 23, and the technical problem that the inflatable disc 5 rotates below the vertical hydraulic push rod 9 is solved.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A deformation-resistant protective device for testing the airtightness of tin cans, characterized in that, The utility model relates to a kind of anti-deformation protection devices for tinplate airtightness detection, including: Conveyer belt (1) for conveying tinplate to be detected; Two groups of installation blocks (2) are symmetrically distributed on both sides of the conveyer belt (1), and the upper surfaces of the two groups of installation blocks (2) are provided with side fixing components for fixing the can bodies of the tinplate to be detected; The anti-deformation protection device for tinplate airtightness detection further comprises: A fixed frame (21) and an inflation disc (5) located above the conveyer belt (1), the inflation disc is matched in size with the upper cover sealing portion of the tinplate to be detected;And An upper fixing component provided on the side surface of the fixed frame (21) is used to cover the inflation disc (5) on the upper cover sealing portion of the tinplate to be detected to limit the deformation of the upper cover sealing portion of the tinplate to be detected during the pressurization process.

2. The anti-deformation protection device for a tinplate can airtightness detection according to claim 1, characterized in that, The side fixing component comprises a clamp plate (4), an adjusting module and a pushing module, the clamp plate (4) is provided in two groups, and the two groups of clamp plates (4) are symmetrically arranged on both sides of the tinplate to be detected, and the adjusting module and the pushing module are respectively arranged on the upper surfaces of the two groups of installation blocks (2) to drive the two groups of clamp plates (4) to clamp the tinplate to be detected.

3. The anti-deformation protection device for a tin can airtightness detection according to claim 2, characterized in that, The adjusting module comprises a right screw rod seat (3), a right screw rod (16) and an adjusting hand wheel (17); Wherein, the right screw rod seat (3) is bolted to the upper surface of one group of installation blocks (2), the right screw rod (16) is threaded through the right screw rod seat (3), and one end of the right screw rod (16) close to the tinplate to be detected is rotatably connected with one group of clamp plates (4), and the other end of the right screw rod (16) away from the tinplate to be detected is fixedly connected with the adjusting hand wheel (17).

4. The anti-deformation protection device for a tin can airtightness detection according to claim 3, characterized in that, The pushing module comprises a cylinder seat (11) and a horizontal hydraulic push rod (19); The cylinder seat (11) is bolted to the upper surface of the other group of installation blocks (2), the horizontal hydraulic push rod (19) is arranged on the side of the cylinder seat (11) close to the tinplate to be detected, and the other group of clamp plates (4) is fixedly connected with the working end of the horizontal hydraulic push rod (19), and the corresponding surfaces of the two groups of clamp plates (4) are provided with protective sponges (18).

5. The anti-deformation protection device for a tin can airtightness detection according to claim 4, characterized in that, The upper fixing component comprises a moving block (7), a fixed block (8), a vertical hydraulic push rod (9), a moving module and a limiting module; Wherein, the moving block (7) is slidably arranged inside the fixed frame (21), the fixed block (8) is fixedly installed on the lower surface of the moving block (7), the vertical hydraulic push rod (9) is arranged on the lower surface of the fixed block (8), and the inflation disc (5) is fixedly connected with the working end of the vertical hydraulic push rod (9).

6. The anti-deformation protection device for a tin can airtightness detection according to claim 5, characterized in that, The moving module comprises a connecting block (6) and an adjusting screw rod (20); Wherein, the connecting block (6) is provided in two groups, the two groups of connecting blocks (6) are symmetrically installed on both sides of the fixed frame (21), the adjusting screw rod (20) is rotatably arranged inside the fixed frame (21), the moving block (7) is threadedly sleeved on the outer arc surface of the fixed frame (21), and one end of the adjusting screw rod (20) penetrates through the connecting block (6) to be provided with the other adjusting hand wheel (17).

7. The anti-deformation protection device for a tin can airtightness detection according to claim 5, characterized in that, The limiting module comprises a guide rod fixed plate (22) and a limiting guide rod (23); The guide rod fixing plate (22) is fixedly arranged on the outer arc surface of the vertical hydraulic push rod (9), the limiting guide rods (23) are provided in two groups, the two groups of limiting guide rods (23) slide through the guide rod fixing plate (22), and the bottom ends of the two groups of limiting guide rods (23) are fixedly connected with the upper surface of the inflation disc (5).

8. The anti-deformation protection device for a tin can airtightness detection according to claim 1, characterized in that, The conveying belt (1) is provided with a conveying belt pressing wheel (12) on the inner side, and is provided with a can blocking cylinder (13) on the side, and the working end of the can blocking cylinder (13) is fixedly connected with a stop block (14).

9. The anti-deformation protection device for a tin can airtightness detection according to claim 1, characterized in that, The lower surface of the inflation disc (5) is provided with a clamping groove corresponding to the top end of the to-be-detected tinplate can, and a silica gel ring (24) is fixedly arranged in the clamping groove.

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