Container airtightness detection device

Abstract

The invention relates to the technical field of container airtightness detection, and discloses a container airtightness detection device which comprises a base, a control driving box and a supporting pipe are fixed to the upper surface of the base, a shell is fixed to the top of the control driving box, and a container receiving disc is arranged in the shell; a second rotating assembly is arranged between the interior of the shell and the control driving box, and the container receiving disc is detachably connected with the second rotating assembly. Through the arrangement of the air supply box, the sealing and covering device, the container receiving disc and other structures, paper cups or other containers can be conveyed into the container receiving disc through the transfer conveying belt after being formed, the container receiving disc can rotate, and under the air supply effect of the air supply box, the paper cups or other containers can be conveyed into the container receiving disc. The sealing and covering device sequentially conducts ventilation detection on the multiple containers in the container receiving disc, unqualified containers and qualified containers can be sent out in a split-flow mode after detection is completed, the automation degree is high, and continuity is good.

Description

Technical Field

[0001] The invention relates to the technical field of container air tightness detection, in particular to a container air tightness detection device. Background Art

[0002] A paper cup is a cylindrical container made of paper for holding liquids. They usually have a conical shape, a round bottom and an opening at the top for drinking. After paper cups or their liquid holding containers (milk cartons, beverage cartons) are produced, they need to be inspected and tested. The patent with publication number CN220104435U proposes a paper cup detection head for a paper cup leak tester, including an upper sealing head, a lower cup assembly and a lifting drive assembly. The upper sealing head and the lower cup assembly are arranged opposite to each other up and down, and the upper sealing head has an injection channel for injecting air into the paper cup. The lower cup assembly is used to carry the paper cup, and the lifting drive assembly is used to drive the upper sealing head and / or the lower cup assembly to rise and fall, so that the upper sealing head and the lower cup assembly are abutted against each other up and down, and the upper sealing head seals the cup cavity of the paper cup. The utility model drives the upper sealing head and the lower cup assembly to rise and fall through the lifting drive assembly to realize the relative movement of the upper sealing head and the lower cup assembly, realizes the positioning support of the paper cup through the lower cup assembly, uses the upper sealing head to press and seal the paper cup, and realizes the air injection into the paper cup through the upper sealing head, which has a simple structure and does not require manual operation... However, the existing detection device cannot realize continuous detection of paper cups or other containers, has low detection efficiency, and cannot automatically separate unqualified products from qualified products after the detection is completed. Therefore, a container airtightness detection device is proposed. Summary of the invention

[0003] To achieve the above objectives, the present invention is implemented through the following technical solutions: a container air tightness detection device, comprising a base, a control drive box and a support tube are fixed to the upper surface of the base, a shell is fixed to the top of the control drive box, a container receiving tray is arranged inside the shell, a second rotating assembly is arranged between the inside of the shell and the control drive box, the container receiving tray and the second rotating assembly are detachably connected, a plurality of open receiving grooves are arranged on the surface of the container receiving tray, a first feed slot and two discharge slots are arranged on the surface of the shell, a transfer conveyor belt for feeding is connected to one side of the feed slot, and a defective product conveyor belt and a qualified product conveyor belt are respectively connected to one side of the two discharge slots; A test disc is arranged on the top of the support tube, a first rotating assembly is connected between the test disc and the support tube, an air supply box is arranged on the top of the test disc, an air supply assembly is arranged inside the air supply box, a plurality of lifting cylinders are connected to the upper surface of the test disc, a sealing cover device is fixed to the telescopic ends of the plurality of lifting cylinders, the sealing cover device has different models, and the sealing cover device matches the container to be tested; A controller is also arranged inside the control drive box, and the controller includes a heating control module, a motor control module and an air pressure control module.

[0004] Preferably, a support plate is provided inside the support tube, and the first rotating assembly includes a rotating rod rotatably connected to the upper surface of the support plate, the top end of the rotating rod is fixed to the container receiving plate, a first driving motor is fixed to the lower surface of the support plate, a small gear is fixed to the driving end of the first driving motor, and a large gear is fixed to the outer surface of the rotating rod, and the large gear is meshingly connected to the small gear.

[0005] Preferably, the second rotating assembly includes an inner gear disk rotatably connected to the inner wall of the outer shell through a rotating shaft, a second drive motor is fixed to the inner wall of the control drive box, a driving end of the second drive motor is fixedly connected to a driving gear, and the driving gear is meshingly connected to the inner gear disk.

[0006] Preferably, the air supply assembly includes an air pump arranged inside an air supply box, the air inlet end of the air pump is connected to an air inlet pipe, a heater is arranged on the surface of the air inlet pipe, the outside of the air supply box is connected to an air inlet channel, the air inlet channel is connected to the air inlet pipe, the air outlet end of the air pump is connected to a ventilation main pipe, a temperature sensor is installed on the surface of the ventilation main pipe, and the air outlet end of the ventilation main pipe is respectively connected to a plurality of sealing covering devices through a plurality of hoses.

[0007] Preferably, the sealing covering device includes a fixed plate connected to the telescopic end of the lifting cylinder, a plug is fixed to the lower surface of the fixed plate, a pressure sensor and an injection head are installed on the surface of the plug, and an air intake pipe connected to the injection head is provided on the top of the fixed plate, the air intake pipe is connected to a hose, and a solenoid valve is installed on the surface of the air intake pipe.

[0008] Preferably, two vertical plates are fixed inside the control drive box near the two discharge slots, and both vertical plates pass through the inner gear disc and are fixedly connected to an electric ejection rod for respectively unloading qualified products and unqualified products.

[0009] Preferably, the transfer conveyor belt is located higher than the inner toothed disc, and the qualified product conveyor belt and the unqualified product conveyor belt are located at the same height as the inner toothed disc.

[0010] The present invention provides a container air tightness detection device, which has the following beneficial effects: 1. The present invention can send paper cups or other containers into the container receiving tray through the transfer conveyor belt after forming through the arrangement of the air supply box, the sealing capping device, the container receiving tray and other structures. The container receiving tray can rotate, and under the action of the air supply box, the sealing capping device can ventilate multiple containers in the container receiving tray in turn to detect their air tightness. After the detection is completed, unqualified containers and qualified containers can be separated and sent out, with high automation and good continuity.

[0011] 2. The present invention has a detachable container receiving plate and a plurality of different types of sealing and covering devices. Different container structure plates can be replaced according to different containers. At the same time, the sealing and covering devices of different types can be rotated to the top of the container to be tested for use, which has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A three-dimensional diagram of a container air tightness detection device according to the present invention; Figure 2 It is a side view of a container air tightness detection device of the present invention; Figure 3 A top view of a container air tightness detection device according to the present invention; Figure 4 It is a partial main cross-sectional view of a container air tightness detection device of the present invention; Figure 5 This is an overall structural diagram of a sealing and covering device in a container airtightness detection device of the present invention; Figure 6 It is an enlarged view of A in a sealing and covering device in a container airtightness detection device of the present invention; Figure 7 The present invention is a diagram showing the internal structure of an air supply box in a sealing capping device in a container air tightness detection device.

[0013] Among them, 1. base; 2. control drive box; 3. feed slot; 4. shell; 5. discharge slot; 6. transfer conveyor belt; 7. unqualified product conveyor belt; 8. qualified product conveyor belt; 9. support tube; 10. test plate; 11. lifting cylinder; 12. sealing cover device; 121. fixing plate; 122. plug; 123. pressure sensor; 124. gas injection head; 125. air inlet pipe; 126. solenoid valve; 13. container receiving Plate; 14, air supply box; 141, air intake channel; 142, heater; 143, air pump; 144, temperature sensor; 145, ventilation main pipe; 15, first rotating assembly; 151, small gear; 152, first drive motor; 153, rotating rod; 154, large gear; 16, electric ejection rod; 17, controller; 18, second rotating assembly; 181, internal gear plate; 182, second drive motor; 183, driving gear. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] Example:

[0016] like Figure 1-Figure 7 As shown, an embodiment of the present invention provides a container air tightness detection device, including a base 1, a control drive box 2 and a support tube 9 are fixed to the upper surface of the base 1, a shell 4 is fixed to the top of the control drive box 2, a container receiving tray 13 is arranged inside the shell 4, a second rotating assembly 18 is arranged between the inside of the shell 4 and the control drive box 2, the container receiving tray 13 and the second rotating assembly 18 are detachably connected, a plurality of receiving grooves in an open shape are arranged on the surface of the container receiving tray 13, which are convenient for the container to be detected to enter, a first feeding slot 3 and two discharging slots 5 are arranged on the surface of the shell 4, and one side of the feeding slot 3 is connected to There is a transfer conveyor belt 6 for feeding, and one side of the two discharging slots 5 is respectively connected with a defective product conveyor belt 7 and a qualified product conveyor belt 8 to achieve diversion. A test disc 10 is arranged on the top of the support tube 9, and a first rotating component 15 is connected between the test disc 10 and the support tube 9. An air supply box 14 is arranged on the top of the test disc 10, and an air supply component is arranged inside the air supply box 14. A plurality of lifting cylinders 11 are connected to the upper surface of the test disc 10, and a sealing capping device 12 is fixed to the telescopic ends of the plurality of lifting cylinders 11. The sealing capping device 12 has different models, and the sealing capping device 12 matches the container to be tested; A controller 17 is also provided inside the control drive box 2. The controller 17 includes a heating control module, a motor control module and an air pressure control module. The motor control module is used to control the rotation speed and opening and closing of the first rotating component 15, the second rotating component 18 and the transfer conveyor belt 6, etc. The heating control module is used to control the temperature of the heater 142, and the air pressure control module is used to control the pressure of the incoming gas.

[0017] A support plate is provided inside the support tube 9, and the first rotating assembly 15 includes a rotating rod 153 rotatably connected to the upper surface of the support plate, the top of the rotating rod 153 is fixed to the container receiving disk 13, and a first driving motor 152 is fixed to the lower surface of the support plate, and a small gear 151 is fixed to the driving end of the first driving motor 152, and a large gear 154 is fixed to the outer surface of the rotating rod 153, and the large gear 154 is meshed and connected with the small gear 151. When in use, the first driving motor 152 is started, and the first driving motor 152 drives the small gear 151 to rotate, and the small gear drives the large gear 154 to rotate, thereby driving the test disk 10 to rotate, and the sealing covering device 12 of different specifications can be adjusted.

[0018] The second rotating assembly 18 includes an inner toothed disc 181 rotatably connected to the inner wall of the outer shell 4 through a rotating shaft. A second driving motor 182 is fixed to the inner wall of the control drive box 2. A driving gear 183 is fixedly connected to the driving end of the second driving motor 182. The driving gear 183 is meshed and connected with the inner toothed disc 181. When in use, the second driving motor 182 is started, and the second driving motor 182 drives the driving gear 183 to rotate. The driving gear 183 drives the inner toothed disc 181 to rotate, thereby driving the container receiving disc 13 to rotate.

[0019] The air supply assembly includes an air pump 143 arranged inside the air supply box 14, the air inlet end of the air pump 143 is connected to an air inlet pipe, the surface of the air inlet pipe is provided with a heater 142, the outside of the air supply box 14 is connected to an air inlet channel 141, the air inlet channel 141 is connected to the air inlet pipe, the air outlet end of the air pump 143 is connected to a ventilation main pipe 145, the surface of the ventilation main pipe 145 is installed with a temperature sensor 144, the air outlet end of the ventilation main pipe 145 is respectively connected to a plurality of sealing covering devices 12 through a plurality of hoses. When in use, the air pump 143 sucks air from the air inlet channel 141, heats the gas through the heater 142 during air intake, and discharges it into the container, the temperature sensor 144 detects the gas temperature in real time, and the temperature can be adjusted in conjunction with the heating control module.

[0020] The sealing covering device 12 includes a fixed plate 121 connected to the telescopic end of the lifting cylinder 11, a plug 122 is fixed to the lower surface of the fixed plate 121, a pressure sensor 123 and a gas injection head 124 are installed on the surface of the plug 122, and an air intake pipe 125 connected to the gas injection head 124 is arranged on the top of the fixed plate 121, the air intake pipe 125 is connected to the hose, and a solenoid valve 126 is installed on the surface of the air intake pipe 125. During specific use, the lifting cylinder 11 covers the sealing covering device 12 on the opening of the container to be inspected, opens the solenoid valve 126 to let in air, and the pressure sensor 123 detects the pressure in real time. When the pressure reaches the preset value, the solenoid valve 126 can be closed.

[0021] Two vertical plates are fixed inside the control drive box 2 near the two discharge slots 5. Both vertical plates pass through the inner toothed disc 181 and are fixedly connected to an electric ejection rod 16 for respectively unloading qualified products and unqualified products. The position of the transfer conveyor belt 6 is higher than that of the inner toothed disc 181 for convenient feeding. The qualified product conveyor belt 8 and the unqualified product conveyor belt 7 are at the same height as the inner toothed disc 181 for easy discharge.

[0022] Working principle: During specific use, the transfer conveyor belt 6 first delivers the produced paper cups or other containers (milk cartons, beverage cartons) into the receiving slot in sequence as the container receiving plate 13 rotates, and the bottom of the container contacts the inner toothed plate 181. When the container rotates to the bottom of the sealing cover device 12, the lifting cylinder 11 descends to drive the sealing cover device 12 to buckle on the opening of the container for sealing. After that, the air pump 143 is used to ventilate the interior of the container. The pressure sensor 123 detects the ventilation air pressure. When a defective product is detected, the electric ejection rod 16 near the position of the defective product conveyor belt 7 is pushed out to push the defective product onto the defective product conveyor belt 7 to separate it from the qualified products.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A container air tightness detection device, characterized in that: The invention comprises a base (1), wherein a control drive box (2) and a support tube (9) are fixed to the upper surface of the base (1), a shell (4) is fixed to the top of the control drive box (2), a container receiving tray (13) is arranged inside the shell (4), a second rotating assembly (18) is arranged between the inside of the shell (4) and the control drive box (2), the container receiving tray (13) and the second rotating assembly (18) are detachably connected, a plurality of receiving slots in an open shape are arranged on the surface of the container receiving tray (13), a first feeding slot (3) and two discharging slots (5) are arranged on the surface of the shell (4), a transfer conveyor belt (6) for feeding is connected to one side of the feeding slot (3), and a defective product conveyor belt (7) and a qualified product conveyor belt (8) are respectively connected to one side of the two discharging slots (5); A test disc (10) is arranged on the top of the support tube (9), a first rotating assembly (15) is connected between the test disc (10) and the support tube (9), an air supply box (14) is arranged on the top of the test disc (10), an air supply assembly is arranged inside the air supply box (14), a plurality of lifting cylinders (11) are connected to the upper surface of the test disc (10), a sealing cover device (12) is fixed to the telescopic ends of the plurality of lifting cylinders (11), the sealing cover devices (12) are of different models, and the sealing cover devices (12) match the container to be tested; A controller (17) is also provided inside the control drive box (2), and the controller (17) comprises a heating control module, a motor control module and an air pressure control module.

2. A container air tightness detection device according to claim 1, characterized in that: A support plate is arranged inside the support tube (9); the first rotating assembly (15) comprises a rotating rod (153) rotatably connected to the upper surface of the support plate; the top end of the rotating rod (153) is fixed to the container receiving plate (13); a first driving motor (152) is fixed to the lower surface of the support plate; a small gear (151) is fixed to the driving end of the first driving motor (152); a large gear (154) is fixed to the outer surface of the rotating rod (153); the large gear (154) is meshingly connected to the small gear (151).

3. A container air tightness detection device according to claim 1, characterized in that: The second rotating assembly (18) comprises an inner toothed disc (181) rotatably connected to the inner wall of the outer shell (4) via a rotating shaft; a second drive motor (182) is fixed to the inner wall of the control drive box (2); a driving gear (183) is fixedly connected to the driving end of the second drive motor (182); and the driving gear (183) is meshingly connected to the inner toothed disc (181).

4. A container air tightness detection device according to claim 1, characterized in that: The air supply assembly comprises an air pump (143) arranged inside an air supply box (14); an air inlet end of the air pump (143) is connected to an air inlet pipe, a heater (142) is arranged on the surface of the air inlet pipe, an air inlet channel (141) is connected to the outside of the air supply box (14), the air inlet channel (141) is connected to the air inlet pipe, an air outlet end of the air pump (143) is connected to a ventilation main pipe (145), a temperature sensor (144) is installed on the surface of the ventilation main pipe (145), and an air outlet end of the ventilation main pipe (145) is respectively connected to a plurality of sealing capping devices (12) through a plurality of hoses.

5. A container air tightness detection device according to claim 4, characterized in that: The sealing and covering device (12) comprises a fixed plate (121) connected to the telescopic end of the lifting cylinder (11); a plug (122) is fixed to the lower surface of the fixed plate (121); a pressure sensor (123) and a gas injection head (124) are mounted on the surface of the plug (122); an air intake pipe (125) connected to the gas injection head (124) is arranged on the top of the fixed plate (121); the air intake pipe (125) is connected to a hose; and a solenoid valve (126) is mounted on the surface of the air intake pipe (125).

6. A container air tightness detection device according to claim 3, characterized in that: Two vertical plates are fixed inside the control drive box (2) near the two material discharging slots (5), and both vertical plates pass through the inner gear disc (181) and are fixedly connected to an electric ejection rod (16) for respectively discharging qualified products and unqualified products.

7. A container air tightness detection device according to claim 3, characterized in that: The position of the transfer conveyor belt (6) is higher than the position of the inner toothed disc (181), and the qualified product conveyor belt (8) and the unqualified product conveyor belt (7) are located at the same height as the inner toothed disc (181).

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