An assembly line for producing cooling patches

Abstract

The invention relates to the field of production, and in particular to an assembly line for producing a cooling patch; the assembly line comprises the following components which are sequentially arranged along the conveying direction of the cooling patch: a heat-sealing packaging machine, which is used for heat-pressing and sealing the cooling patch; a weighing machine, which is used for weighing and confirming whether the weight of the cooling patch meets the standard; an X-ray detection device, which is used for detecting whether the incision of the cooling patch is complete; and an inspection station, which is used for detecting the sealing of the cooling patch, comprising: a conveying frame, which is used for conveying the packaged cooling patch; a first inspection box and a second inspection box, which are located at the downstream end of the conveying frame and are arranged opposite to each other up and down, the first inspection box and the second inspection box are both opened at the front and back ends for the cooling patch to enter and exit, and the first inspection box and the second inspection box are both provided with conveyor belts so that the cooling patch can be conveyed from the entrance of the first inspection box and the second inspection box to the exit; the invention greatly improves the sealing detection efficiency of the cooling patch, and the normal assembly line production operation of the cooling patch is not affected during the detection.

Description

Technical Field

[0001] The invention relates to the field of production, in particular to an assembly line for producing cooling patches. Background Art

[0002] The antipyretic patch has the effect of cooling down and reducing fever. It can relieve fever, headache, toothache, sunburn, muscle sprain and other pain and heat symptoms caused by colds. It mainly serves infants and children. The antipyretic patch mainly removes heat by evaporating the water inside the gel, which plays a role of physical cooling. After tearing the package, the water content in the gel will evaporate and decrease. Therefore, after being opened for a long time, the gel basically loses its antipyretic and cooling effect. Therefore, the sealing of the antipyretic patch packaging is particularly important.

[0003] When cooling patches are produced in an assembly line, a sealing inspection room is usually set up on the production line to conduct sealing inspection on the patches. After a group of cooling patches is sent to the sealing inspection room, the conveyor belt of the production line stops conveying until the inspection of this group of cooling patches is completed. Then the subsequent cooling patches are conveyed to the sealing inspection room. Each group of cooling patches queues up to wait for the inspection. During the inspection, the conveyor belt on the production line needs to be started and stopped continuously, and the inspection efficiency is low, which affects the assembly line production of the cooling patches and needs to be solved urgently. Summary of the invention

[0004] In order to avoid and overcome the technical problems existing in the prior art, the present invention provides an assembly line for the production of a cooling patch. The present invention greatly improves the sealing detection efficiency of the cooling patch, and the detection does not affect the normal assembly line production operation of the cooling patch.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An assembly line for producing cooling patches, comprising the following components arranged in sequence along the conveying direction of the cooling patches:

[0007] Heat-sealing packaging machine, used to heat-seal the cooling patch;

[0008] Weighing machine, used to weigh and confirm whether the weight of the cooling patch meets the standard;

[0009] X-ray detection device, used to detect whether the incision of the cooling patch is complete;

[0010] The inspection station is used to inspect the sealing of the cooling patch, which includes:

[0011] A conveyor rack is used to convey the packaged cooling patch;

[0012] The first inspection box and the second inspection box are located at the downstream end of the conveying frame and are arranged opposite to each other up and down. Both the first inspection box and the second inspection box have openings at the front and rear ends for the cooling patch to enter and exit. Both the first inspection box and the second inspection box are provided with conveyor belts so that the cooling patch can be transported from the entrance of the first inspection box and the second inspection box to the exit;

[0013] A transition belt, used to transport the cooling patch on the conveyor rack to the conveyor belt in the first test box or the second test box;

[0014] Sealing plates are arranged at the openings at both ends of the first detection box and the second detection box and can close the openings so that the first detection box and the second detection box are in a sealed state;

[0015] A pressure regulating column is arranged between the first detection box and the second detection box in the vertical direction and both ends of the pressure regulating column extend into the first detection box and the second detection box. The contact parts between the pressure regulating column and the first detection box and the second detection box are sealed. When the first detection box or the second detection box is in a sealed state, the pressure regulating column can move in the vertical direction to change the air pressure in the first detection box or the second detection box.

[0016] A collecting bin is used to collect the cooling patches that have completed the sealing test and transport them to a packing box; the collecting bin includes a guide channel arranged below the exit of the testing station and a material storage channel at the end of the guide channel, the guide channel is arranged obliquely and the width of the guide channel gradually decreases along the direction close to the material storage channel, the material storage channel is arranged along the vertical direction and the cross section of the material storage channel matches the size of the cooling patches, and the cooling patches are stacked in sequence from bottom to top in the material storage channel;

[0017] Box weighing machine: used to weigh the weight of the packing box to confirm whether the number of cooling patches meets the standard;

[0018] Batch number printing station, used to print the production batch number on the packaging box;

[0019] The packaging and packing station is used to package the packaging boxes for subsequent shipment.

[0020] As a further solution of the present invention: the transition zone includes a first transition zone for conveying the cooling patch into the first detection box and a second transition zone for conveying the cooling patch into the second detection box, the first transition zone and the second transition zone are staggered in height and are connected and fixed by a first connecting bracket; the first connecting bracket and the conveying frame slide in a vertical direction to drive the head end of the first transition zone or the second transition zone to dock with the tail end of the conveying frame, when the first transition zone docks with the conveying frame, its tail end docks with the conveyor belt in the first detection box, and when the second transition zone docks with the conveying frame, its tail end docks with the conveyor belt in the second detection box.

[0021] As a further solution of the present invention: there is a gap between the tail end of the first transition zone and the tail end of the second transition zone and the first detection box and the second detection box, and the sealing plate is arranged in the gap along the vertical direction.

[0022] As a further solution of the present invention: the first detection box and the second detection box are connected and fixed by a vertically arranged fixed column, and a guide seat that can slide along the column body of the fixed column is arranged on the fixed column, the cross bar is horizontally fixed on the guide seat and each pressure regulating column is fixed on the rod body of the cross bar so that it can move along the vertical direction with the cross bar.

[0023] As a further solution of the present invention: a second transmission rack is provided on the guide seat in the vertical direction, a transmission gear is coaxially fixed on the motor shaft of the driving motor located between the first detection box and the second detection box, and the transmission gear and the second transmission rack form a gear rack to drive the guide seat to slide in the vertical direction.

[0024] As a further solution of the present invention: the head ends of the first transition zone and the second transition zone are connected and fixed by a first connecting bracket arranged vertically, the tail ends of the first transition zone and the second transition zone are connected and fixed by a second connecting bracket arranged vertically, and a first transmission rack is provided on the second connecting bracket along the vertical direction, and the transmission gear is located between the second connecting bracket and the guide seat and cooperates with the first transmission rack and the second transmission rack gear rack at the same time.

[0025] As a further solution of the present invention: the sealing plate comprises a first sealing plate arranged at the inlet of the first detection box and the second detection box and a second sealing plate arranged at the outlet of the first detection box and the second detection box;

[0026] The first sealing plate is slidably matched with the inlet of the first detection box and the second detection box in the vertical direction. When the first sealing plate closes the inlet of the first detection box, the cooling paste on the second transition zone can be transported into the second detection box without obstruction; when the first sealing plate closes the inlet of the second detection box, the cooling paste on the first transition zone can be transported into the first detection box without obstruction;

[0027] The second sealing plate slides with the outlets of the first detection box and the second detection box in the vertical direction. The first detection box and / or the second detection box are provided with driving guide rails corresponding to the positions of the second sealing plate and the first sealing plate, respectively, to drive the second sealing plate and the first sealing plate to rise and fall synchronously in the vertical direction.

[0028] As a further solution of the present invention: a conducting hole corresponding to the position of the transmission gear is opened on the first sealing plate in the vertical direction. After the transmission gear passes through the conducting hole, it cooperates with the second transmission rack gear rack. When the conducting hole moves along the vertical direction with the first sealing plate, the opening position of the first detection box and the second detection box is avoided.

[0029] As a further solution of the present invention: a collection bin is provided below the outlets of the first inspection box and the second inspection box to collect the cooling patches that have been inspected; monitoring cameras are provided inside the first inspection box and the second inspection box to monitor whether the cooling patches are bulging; a start controller is provided on the first transition zone and the second transition zone, and the first transition zone and the second transition zone move in the vertical direction until their head ends are flush with the tail end of the conveying frame, and then the conveying operation begins.

[0030] As a further solution of the present invention: a discharge port which is opened and closed by an electromagnetic valve is arranged at the bottom of the storage channel, the mouth of the discharge port corresponds to the position of the packing box, and a vibration motor is arranged below the guide channel.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] 1. The present invention sequentially performs heat-sealing packaging, single-bag weighing, X-ray inspection, sealing inspection, collection, whole-box weighing and packaging, batch number printing and packaging to complete all assembly line operations; during the sealing inspection, two groups of inspection boxes are arranged opposite to each other up and down, and sealing plates are arranged on the openings of the inspection boxes so that the openings of the two groups of inspection boxes can be closed. Since a transition zone is arranged between the inspection box and the conveying frame, the conveying direction of the transition zone can be switched so that the cooling patch on the conveying frame can be conveyed to the first inspection box or the second inspection box. When the cooling patch on the conveying frame is conveyed to the first inspection box, the sealing inspection starts in the second inspection box, and when the cooling patch on the conveying frame is conveyed to the second inspection box, the sealing inspection starts in the first inspection box; since a pressure regulating column is arranged between the first inspection box and the second inspection box, when the inspection box is in a sealed state, the pressure regulating column moves in the vertical direction in the form of a piston, thereby changing the pressure of the first inspection box Or the pressure in the second detection box, when the pressure regulating column leaves any detection box, the pressure in the detection box is reduced. At this time, due to the pressure difference between the inside and outside of the cooling patch, the cooling patch bulges. At this time, it can be considered that the cooling patch has good sealing. If the cooling patch does not change, it is considered to be a defective product; when the pressure regulating column leaves the detection box that is testing the sealing, its column body extends into the detection box that has not been tested for sealing, occupying a part of the space in the detection box, thereby preparing in advance for the subsequent sealing test of the detection box; with such an arrangement, the cooling patch can be continuously tested for sealing while the conveying rack is continuously conveying, without the need for the conveying rack to be repeatedly started and stopped, which greatly improves the sealing test efficiency of the cooling patch, and the space occupancy rate of the detection device is low; after the sealing test, the cooling patch in the detection box first falls into the guide channel of the collection bin, and is guided by the gradually narrowing guide channel so that the cooling patch falls into the storage channel in a positive posture, and is stacked up and down and waits for shipment.

[0033] 2. The present invention has two groups of transition belts, which are staggered in height. The two groups of transition belts are connected and fixed by connecting brackets. When the first transition belt is docked with the conveying frame, the tail end of the first transition belt just docks with the conveying belt in the first detection box. When the second transition belt is docked with the conveying frame, the tail end of the second transition belt just docks with the conveying belt in the second detection box. Through the cooperation of the first transition belt and the second transition belt, the cooling patch on the conveying frame can be continuously and accurately transported to the two groups of detection boxes. Since the sealing plate is arranged in the gap between the transition belt and the detection box, while playing a sealing role, the too small gap also prevents the cooling patch from falling from the transition belt.

[0034] 3. The present invention arranges multiple groups of pressure-regulating columns and fixes the pressure-regulating columns on a cross bar. The arrangement of the driving motor can drive the guide seat to slide in the vertical direction through the gear rack engagement, thereby driving each pressure-regulating column to move up and down; at the same time, the second connecting bracket between the first transition zone and the second transition zone also forms a gear rack engagement with the transmission gear of the driving motor. When the driving motor drives the transmission gear to rotate, the pressure-regulating column and the transition zone can be driven to move up and down in opposite directions at the same time, and the driving motor has one driving source, thereby completing the pressure regulation in the detection box and the conveying switching of the transition zone.

[0035] 4. The present invention has two groups of sealing plates, which are respectively arranged at the front and rear ends of the first detection box and the second detection box. The sealing states of the first detection box and the second detection box can be switched by driving the guide rails to drive the lifting operations respectively; the arrangement of the conducting holes on the sealing plates can avoid position interference between the sealing plates and the transmission gears of the driving motor when the sealing plates are lifted or lowered; the arrangement of the collecting bins can directly collect the cooling pads dropped from the outlet of the detection boxes; the setting of the starting controller facilitates the switching of the start of the first transition zone and the second transition zone.

[0036] 5. The present invention arranges a vibration motor under the guide channel, and the vibration of the motor causes the cooling patch to gradually straighten along the guide channel, so that the cooling patch falls into the material storage channel. The discharge of the material is controlled by an electromagnetic valve at the bottom of the material storage channel, thereby realizing precise material control. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a structural schematic diagram of the present invention.

[0038] Figure 2 This is a schematic diagram of the structure of the detection station in one of its working states.

[0039] Figure 3 It is a structural schematic diagram of the detection station in another working state.

[0040] Figure 4 It is a schematic diagram of the structure of the collection bin in the present invention.

[0041] In the figure:

[0042] a. Cooling patch, 1. Conveying rack;

[0043] 21. First transition zone; 22. Second transition zone; 23. First connecting bracket;

[0044] 24. Second connecting bracket; 241. First transmission rack;

[0045] 3. Inspection station; 31. First inspection box; 32. Second inspection box; 33. Conveyor belt;

[0046] 34. Fixed column; 35. Guide seat; 351. Second transmission rack;

[0047] 36, crossbar; 361, pressure regulating column;

[0048] 37. first sealing plate; 371. conducting hole; 38. second sealing plate; 39. transmission gear;

[0049] 4. Collection bin; 41. Storage channel; 42. Guide channel; 43. Vibration motor; 44. Discharge port;

[0050] 5. Heat sealing packaging machine; 6. Weighing machine;

[0051] 7. X-ray detection device; 8. Box weighing machine;

[0052] 9. Batch number printing station; 10. Packaging and packaging station. DETAILED DESCRIPTION

[0053] 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.

[0054] See also Figures 1 to 3 In an embodiment of the present invention, a production line for producing a cooling patch includes the following stations arranged in sequence along the conveying direction of the cooling patch:

[0055] The heat-sealing packaging machine 5 is used for heat-pressing and sealing the cooling patch a; a certain amount of gas is contained in the packaged cooling patch a, and the pressure in the bag is equal to the atmospheric pressure.

[0056] The weighing machine 6 is used to weigh and confirm whether the weight of the cooling patch a meets the standard; the cooling patch a that does not meet the standard or exceeds the standard is picked out by a robot or manually.

[0057] The X-ray detection device 7 is used to detect whether the incision of the cooling patch a is complete; the entire detection process is controlled by PLC to ensure the accuracy of the detection path.

[0058] Testing station 3 is used to test the sealing performance of the cooling patch a;

[0059] It comprises a conveyor frame 1 for conveying the packaged cooling patch a, and the conveyor frame 1 is a belt-type conveyor frame.

[0060] The inspection station includes a first inspection box 31 and a second inspection box 32. The first inspection box 31 and the second inspection box 32 are arranged opposite to each other up and down, and are both opened front and back to form a channel-like structure. Conveyor belts 33 are provided in the first inspection box 31 and the second inspection box 32 to transport the cooling patch a from the input port of the first inspection box 31 and the second inspection box 32 to the output port.

[0061] The first inspection box 31 and the second inspection box 32 are of equal length and staggered in height. The first inspection box 31 and the second inspection box 32 are fixedly connected by vertically arranged fixing columns 34. The number of fixing columns 34 is not limited, and preferably two groups are arranged symmetrically on the left and right to form two-point support for the first inspection box 31 and the second inspection box 32.

[0062] The opening sides of the first detection box 31 and the second detection box 32 are provided with sealing plates for closing the openings of the first detection box 31 and the second detection box 32. The sealing plates include a first sealing plate 37 located at the inlet of the first detection box 31 and the second detection box 32, and a second sealing plate 38 located at the outlet of the first detection box 31 and the second detection box 32.

[0063] The first sealing plate 37 and the second sealing plate 38 can both move in the vertical direction to close the openings of the first inspection box 31 and the second inspection box 32. The driving source of the first sealing plate 37 and the second sealing plate 38 is not limited, and is preferably an electromagnetic driving guide rail. The position of the driving guide rail is not limited, and can be set in the first inspection box 31, in the second inspection box 32, or between the first inspection box 31 and the second inspection box 32.

[0064] The first sealing plate 37 and the second sealing plate 38 are always raised and lowered synchronously, and the first sealing plate 37 and the second sealing plate 38 have the same size, thereby completing the following two working states:

[0065] The first sealing plate 37 and the second sealing plate 38 rise to close the inlet and outlet of the first inspection box 31, so that the first inspection box 31 is in a sealed state. At this time, the first sealing plate 37 and the second sealing plate 38 make way for the inlet and outlet of the second inspection box 32, so that the cooling patch a can be normally transported into the second inspection box 32, and the cooling patch a that has been tested in the second inspection box 32 can also be normally transported out.

[0066] The first sealing plate 37 and the second sealing plate 38 descend, thereby closing the inlet and outlet of the second inspection box 32, so that the second inspection box 32 is in a sealed state. At this time, the first sealing plate 37 and the second sealing plate 38 make way for the inlet and outlet of the first inspection box 31, so that the cooling patch a can be normally transported into the first inspection box 31, and the cooling patch a that has been tested in the first inspection box 31 can also be normally transported out.

[0067] In order to achieve a good detection effect, a guide seat 35 that can slide vertically along the body of the fixed column 34 is provided on the fixed column 34, and a cross bar 36 is arranged horizontally between the guide seats 35 of the two fixed columns 34, and a pressure regulating column 361 is arranged on the cross bar 36 in the vertical direction. The upper and lower ends of the pressure regulating column 361 extend into the first detection box 31 and the second detection box 32, and avoid the position of the conveyor belt 33 in the first detection box 31 and the second detection box 32. The first detection box 31 and the second detection box 32 are provided with sealing rings at the contact parts with the pressure regulating column 361, so that the parts of the first detection box 31 and the second detection box 32 can maintain sealing. The number of fixed columns 34 is not limited, and they are arranged in an array along the length direction of the cross bar 36.

[0068] When the first test box 31 and the second test box 32 are in a sealed state, the pressure regulating column 361 moves along the vertical direction with the cross bar 36, and can play a piston-like effect to change the pressure in the first test box 31 and the second test box 32. Taking the first test box 31 as an example, when the pressure regulating column 361 leaves the first test box 31, the pressure in the first test box 31 decreases. At this time, affected by the pressure difference, the bag body of the cooling patch a in the first test box 31 expands, and it can be considered that the sealing is good. If the bag body of the cooling patch a does not change, it is considered that there is a leakage in the bag body.

[0069] The driving source for the guide seat 35 to slide in the vertical direction is not limited. It is preferred that a driving motor is arranged between the first detection box 31 and the second detection box 32, and a transmission gear 39 is coaxially fixed on the motor shaft of the driving motor. A second transmission rack 351 is provided in the vertical direction on the guide seat 35 adjacent to the driving motor. The transmission gear 39 cooperates with the second transmission rack 351 gear rack, so that when the driving motor is started, the guide seat 35 can be driven to rise or fall in the vertical direction.

[0070] In order to facilitate the smooth conveyance of the cooling patch a on the conveyor frame 1 to the first inspection box 31 and the second inspection box 32, a transition zone is provided between the conveyor frame 1 and the inspection station. The transition zone includes a first transition zone 21 and a second transition zone 22 arranged at different heights, and the first transition zone 21 and the second transition zone 22 are arranged symmetrically and tilted along a horizontal plane.

[0071] The first transition zone 21 and the head end of the second transition zone 22 (i.e., the adjacent end of the conveying frame 1) are connected by a vertically arranged first connecting bracket 23, and the end of the first transition zone 21 and the second transition zone 22 (and the adjacent end of the detection station) are connected by a vertically arranged second connecting bracket 24.

[0072] The first connecting bracket 23 and the conveying frame 1 are slidably matched through the guide rail in the vertical direction; the second connecting bracket 24 is provided with a first transmission rack 241 in the vertical direction on one side of the adjacent detection station, and the first transmission rack 241 is also matched with the transmission gear 39 on the motor shaft of the driving motor. The second connecting bracket 24 and the guide seat 35 are respectively arranged on both sides of the transmission gear 39, so that when the transmission gear 39 rotates, the guide seat 35 and the second connecting bracket 24 are driven to rise and fall in opposite directions, that is, when the guide seat 35 rises, the second connecting bracket 24 falls.

[0073] In order to prevent interference with the transmission gear 39, a through hole 371 is provided on the first sealing plate 37 in the vertical direction for the transmission gear 39 to pass through. When the first sealing plate 37 moves in the vertical direction, the first sealing plate 37 and the transmission gear 39 are positioned away from each other due to the presence of the through hole 371. When the through hole 371 moves in the vertical direction, the opening positions of the first detection box 31 and the second detection box 32 are staggered, so as to prevent the through hole 371 from releasing pressure on the first detection box 31 and the second detection box 32.

[0074] The first and second ends of the conveyor belt 33 in the first inspection box 31 and the second inspection box 32 correspond to the opening positions of the first inspection box 31 and the second inspection box 32. There is a gap between the tail ends of the first transition belt 21 and the second transition belt 22 and the first inspection box 31 and the second inspection box 32, and the gap is usually set to 3 to 5 cm. The first sealing plate 37 and the second sealing plate 38 are set at the gap. Taking the first transition belt 21 as an example, when the first sealing plate 37 moves downward and makes way for the entrance of the first inspection box 31, the cooling patch a transported on the first transition belt 21 crosses the gap between the first transition belt 21 and the first inspection box 31, and falls onto the conveyor belt 33 of the first inspection box 31. Since the distance of the gap is much smaller than the length of the cooling patch a, the cooling patch a can smoothly cross the gap and directly fall onto the conveyor belt 33 of the first inspection box 31 without falling.

[0075] The first transition belt 21 and the second transition belt 22 are both small belt-type transmission belts. In order to facilitate the control of the operation of the first transition belt 21 and the second transition belt 22, a start controller is provided at the head end of the first transition belt 21 and the second transition belt 22, and a signal transmitter is provided at the tail end of the conveyor frame 1. When the first transition belt 21 and the second transition belt 22 run to a height corresponding to the conveyor frame 1, the start controller receives the signal from the signal transmitter on the conveyor frame 1, and the first transition belt 21 or the second transition belt 22 starts to operate.

[0076] The position switching speed of the first transition belt 21 and the second transition belt 22 is greater than the conveying speed of the adjacent cooling pad a on the conveying frame 1, so that when the first transition belt 21 and the second transition belt 22 switch positions in ascending or descending, no cooling pad a on the conveying frame 1 is conveyed to the first transition belt 21 and the second transition belt 22, thereby preventing the conveying process from being disturbed. The speed of the driving motor is usually adjusted so that the position switching of the first transition belt 21 and the second transition belt 22 is completed within 1 second.

[0077] In order to facilitate monitoring of the detection results in the first detection box 31 and the second detection box 32, the first detection box 31 and the second detection box 32 can be set as transparent covers to facilitate staff to observe with the naked eye whether the cooling patch a is bulging, or monitoring cameras can be set in the first detection box 31 and the second detection box 32 to automatically monitor whether the cooling patch a is bulging through the cameras.

[0078] The inspection process of the inspection station is as follows:

[0079] The conveyor rack 1 continuously conveys the packaged cooling patch a at a uniform speed. Taking the sealing test being carried out in the first inspection box 31 as an example, after the test is completed, the first sealing plate 37 and the second sealing plate 38 descend, and the sealing state of the first inspection box 31 is released while the second inspection box 32 is kept in a sealed state (when the first inspection box 31 and the second inspection box 32 are kept in a sealed state, the conveyor belt 33 inside them stops running, and when the sealing state is released, the conveyor belt 33 resumes normal operation).

[0080] After the first sealing plate 37 and the second sealing plate 38 completely seal the second sealing box 32, the driving motor starts, and the guide column 34 is driven upward by the rotation of the transmission gear 39, and the second connecting bracket 24 is driven downward at the same time. At this time, the first transition belt 21 is finally flush with the conveying rack 1 and starts, so as to receive the cooling patch a from the conveying rack 1 and convey it to the first inspection box 31. At this time, the second transition belt 22 stops the conveying process. At the same time, when the guide column 34 moves upward, the space in the second inspection box 32 is expanded, so that the air pressure in the second inspection box 32 is reduced. Affected by the pressure difference, the cooling patch a with good sealing performance in the second inspection box 32 bulges, and the damaged cooling patch a bag body does not change.

[0081] When all the cooling patches a that have been inspected in the first inspection box 31 are transported out of the first inspection box 31, the inspection process of the second inspection box 32 is completed. At this time, the first sealing plate 37 and the second sealing plate 38 rise, the second inspection box 32 is released from the sealed state, and the first inspection box 31 enters the sealed state. The driving motor flips, and the guide column 34 is driven downward by the rotation of the transmission gear 39, and the second connecting bracket 24 is driven upward at the same time. At this time, the second transition belt 22 is finally flush with the conveying rack 1 and starts, so as to receive the cooling patches a from the conveying rack 1 and transport them to the second inspection box 32. At this time, the first transition belt 21 stops the conveying process. At the same time, when the guide column 34 moves downward, the space in the first inspection box 31 is expanded, so that the air pressure in the first inspection box 31 is reduced. Affected by the pressure difference, the cooling patches a with good sealing performance in the first inspection box 31 bulge, and the damaged cooling patches a bag body does not change.

[0082] Repeat the above process to continuously complete the sealing test of the cooling patch a.

[0083] A collecting bin 4 is used to collect the cooling patch a that has completed the sealing test and transport it to a packing box;

[0084] The collection bin 4 includes a guide channel 42 arranged below the exit of the detection station 3 and a storage channel 41 at the end of the guide channel 42. The guide channel 42 is arranged obliquely and the width of the guide channel 42 gradually decreases along the direction close to the storage channel 41, thereby forming a closed shape to ensure that the cooling patch a can just correspond to the position of the storage channel 41 when leaving the guide channel 42, and fall into the storage channel 41 in the same posture after being neatly arranged. In order to improve the guiding effect of the guide channel 42, a vibration motor 43 is installed below the guide channel 42, and the vibration motor 43 can be replaced by other vibration sources.

[0085] The storage channel 41 is arranged along the vertical direction and the cross section of the storage channel 41 matches the size of the cooling patch a. The cooling patch a falls into the storage channel 41 and is stacked in order from bottom to top. A discharge port 44 is provided at the bottom of the storage channel 41, which is opened and closed by an electromagnetic valve, and the mouth of the discharge port 44 corresponds to the position of the packing box on the box weighing machine 8.

[0086] The box weighing machine 8 is used to weigh the weight of the packing box to confirm whether the number of cooling patches meets the standard. It is arranged below the discharge port 44. After the weight meets the standard, the discharge port 44 is closed and a new packing box is delivered to the box weighing machine 8.

[0087] Batch number printing station 9, used for printing the production batch number on the packaging box;

[0088] The packaging and packing station 10 is used to package the packing boxes for subsequent delivery.

[0089] The basic principles of the present application are described above in conjunction with specific embodiments. However, it should be noted that the advantages, strengths, effects, etc. mentioned in the present application are only examples and not limitations, and it cannot be considered that these advantages, strengths, effects, etc. are required by each embodiment of the present application. In addition, the specific details disclosed above are only for the purpose of illustration and ease of understanding, not for limitation, and the above details do not limit the present application to being implemented by adopting the above specific details.

[0090] The block diagrams of the devices, apparatuses, equipment, and systems involved in this application are only illustrative examples and are not intended to require or imply that they must be connected, arranged, and configured in the manner shown in the block diagram. As will be appreciated by those skilled in the art, these devices, apparatuses, equipment, and systems can be connected, arranged, and configured in any manner. Words such as "including", "comprising", "having", etc. are open words, referring to "including but not limited to", and can be used interchangeably with them. The words "or" and "and" used here refer to the words "and / or" and can be used interchangeably with them, unless the context clearly indicates otherwise. The words "such as" used here refer to the phrase "such as but not limited to", and can be used interchangeably with them.

[0091] It should also be noted that in the apparatus, device and method of the present application, each component or each step can be decomposed and / or recombined. Such decomposition and / or recombination should be regarded as equivalent solutions of the present application.

[0092] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the scope of the present application. Therefore, the present application is not intended to be limited to the aspects shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

[0093] The above description has been given for the purpose of illustration and description. In addition, this description is not intended to limit the embodiments of the present application to the forms disclosed herein. Although multiple example aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, changes, additions and sub-combinations thereof.

Claims

1. An assembly line for the production of cooling patches, characterized in that: The method comprises the following components arranged in sequence along the conveying direction of the cooling patch (a): A heat-sealing packaging machine (5) is used to heat-press and seal the cooling patch (a); A weighing machine (6), used for weighing and confirming whether the weight of the cooling patch (a) meets the standard; An X-ray detection device (7) is used to detect whether the incision of the cooling patch (a) is complete; The testing station (3) is used to test the sealing performance of the cooling patch (a), and comprises: A conveying frame (1), used for conveying the packaged cooling patch (a); The first inspection box (31) and the second inspection box (32) are located at the downstream end of the conveying frame (1) and are arranged opposite to each other in the vertical direction. Both the first inspection box (31) and the second inspection box (32) have openings at both the front and rear ends for the cooling patch (a) to enter and exit. Both the first inspection box (31) and the second inspection box (32) are provided with a conveyor belt (33) so that the cooling patch (a) can be conveyed from the entrance of the first inspection box (31) and the second inspection box (32) to the exit. A transition belt, used for conveying the cooling patch (a) on the conveying frame (1) to a conveying belt (33) in the first inspection box (31) or the second inspection box (32); Sealing plates are arranged at the openings at both ends of the first detection box (31) and the second detection box (32) and can close the openings so that the first detection box (31) and the second detection box (32) are in a sealed state; A pressure regulating column (361) is arranged between the first detection box (31) and the second detection box (32) along the vertical direction and both ends of the pressure regulating column (361) extend into the first detection box (31) and the second detection box (32). The contact parts between the pressure regulating column (361) and the first detection box (31) and the second detection box (32) are sealed. When the first detection box (31) or the second detection box (32) is in a sealed state, the pressure regulating column (361) can move along the vertical direction to change the air pressure in the first detection box (31) or the second detection box (32). A collecting bin (4) is used to collect the cooling patches (a) that have completed the sealing test and transport them into a packing box; the collecting bin (4) comprises a guide channel (42) arranged below the exit of the testing station (3) and a storage channel (41) located at the end of the guide channel (42); the guide channel (42) is arranged obliquely and the width of the guide channel (42) gradually decreases in a direction close to the storage channel (41); the storage channel (41) is arranged in a vertical direction and the cross section of the storage channel (41) matches the size of the cooling patches (a); the cooling patches (a) are stacked in order from bottom to top in the storage channel (41); Box weighing machine (8); used to weigh the weight of the packing box to confirm whether the number of cooling patches meets the standard; The batch number printing station (9) is used to print the production batch number on the packaging box; The packaging and packing station (10) is used to package the packing boxes for subsequent delivery.

2. The production line for cooling patch production according to claim 1, characterized in that: The transition belt comprises a first transition belt (21) for conveying the cooling patch (a) into the first detection box (31) and a second transition belt (22) for conveying the cooling patch (a) into the second detection box (32); the first transition belt (21) and the second transition belt (22) are staggered in height and are connected and fixed by a first connecting bracket (23); the first connecting bracket (23) and the conveying frame (1) are slidably matched in a vertical direction to drive the head end of the first transition belt (21) or the second transition belt (22) to dock with the tail end of the conveying frame (1); when the first transition belt (21) and the conveying frame (1) are docked, its tail end docks with the conveying belt (33) in the first detection box (31); when the second transition belt (22) and the conveying frame (1) are docked, its tail end docks with the conveying belt (33) in the second detection box (32).

3. The production line for cooling patch production according to claim 2, characterized in that: There is a gap between the tail end of the first transition zone (21) and the tail end of the second transition zone (22) and the first detection box (31) and the second detection box (32), and the sealing plate is arranged in the gap along the vertical direction.

4. The production line for producing cooling patches according to claim 2 or 3, characterized in that: The first detection box (31) and the second detection box (32) are connected and fixed by a vertically arranged fixed column (34); a guide seat (35) is arranged on the fixed column (34) and can slide along the column body of the fixed column (34); a cross bar (36) is horizontally fixed on the guide seat (35) and each pressure regulating column (361) is fixed on the rod body of the cross bar (36) so that it can move along the vertical direction with the cross bar (36).

5. The production line for cooling patch production according to claim 4, characterized in that: A second transmission rack (351) is provided on the guide seat (35) in the vertical direction, and a transmission gear (39) is coaxially fixed on the motor shaft of the driving motor located between the first detection box (31) and the second detection box (32), and the transmission gear (39) and the second transmission rack (351) form a gear rack to drive the guide seat (35) to slide in the vertical direction.

6. The production line for producing cooling patches according to claim 5, characterized in that: The head ends of the first transition belt (21) and the second transition belt (22) are connected and fixed by a first connecting bracket (23) arranged vertically, and the tail ends of the first transition belt (21) and the second transition belt (22) are connected and fixed by a second connecting bracket (24) arranged vertically. A first transmission rack (241) is provided on the second connecting bracket (24) along the vertical direction. The transmission gear (39) is located between the second connecting bracket (24) and the guide seat (35) and is simultaneously matched with the first transmission rack (241) and the second transmission rack (351).

7. The production line for producing cooling patches according to claim 6, characterized in that: The sealing plate comprises a first sealing plate (37) arranged at the inlet of the first detection box (31) and the second detection box (32), and a second sealing plate (38) arranged at the outlet of the first detection box (31) and the second detection box (32); The first sealing plate (37) is slidably matched with the inlets of the first detection box (31) and the second detection box (32) in the vertical direction. When the first sealing plate (37) closes the inlet of the first detection box (31), the cooling patch (a) on the second transition zone (22) can be transported into the second detection box (32) without being blocked; when the first sealing plate (37) closes the inlet of the second detection box (32), the cooling patch (a) on the first transition zone (21) can be transported into the first detection box (31) without being blocked; The second sealing plate (38) is slidably matched with the outlets of the first detection box (31) and the second detection box (32) in the vertical direction. The first detection box (31) and / or the second detection box (32) are provided with driving guide rails corresponding to the positions of the second sealing plate (38) and the first sealing plate (37) respectively, so as to drive the second sealing plate (38) and the first sealing plate (37) to rise and fall synchronously in the vertical direction.

8. The production line for cooling patch production according to claim 7, characterized in that: A conducting hole (371) corresponding to the position of the transmission gear (39) is provided on the first sealing plate (37) in the vertical direction. The transmission gear (39) passes through the conducting hole (371) and cooperates with the gear rack of the second transmission rack (351). When the conducting hole (371) moves along the vertical direction with the first sealing plate (37), it avoids the opening positions of the first detection box (31) and the second detection box (32).

9. The production line for cooling patch production according to claim 2 or 3, characterized in that: A collection bin (4) is provided below the outlets of the first inspection box (31) and the second inspection box (32) to collect the cooling patch (a) that has been inspected; monitoring cameras are provided inside the first inspection box (31) and the second inspection box (32) to monitor whether the cooling patch (a) is bulging; a start controller is provided on the first transition belt (21) and the second transition belt (22); the first transition belt (21) and the second transition belt (22) move in a vertical direction until their head ends are flush with the rear end of the conveying frame (1), and then the conveying operation begins.

10. The production line for producing cooling patches according to any one of claims 1 to 3, characterized in that: A discharge port (44) whose opening and closing is controlled by an electromagnetic valve is arranged at the bottom of the material storage channel (41); the mouth of the discharge port (44) corresponds to the position of the packaging box; and a vibration motor (43) is arranged below the guide channel (42).

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