CN114435651A

CN114435651A - Circuit breaker packaging assembly line

Info

Publication number: CN114435651A
Application number: CN202210248382.4A
Authority: CN
Inventors: 贾天祥; 曹诗顺; 杨勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-05-06

Abstract

The invention discloses a circuit breaker packaging assembly line which comprises a pre-coating device, a film coating device, a box opening device, a box closing device, a box sealing adhesive tape device, a first belt conveying device, a second belt conveying device and a third belt conveying device, wherein the coated circuit breaker is conveyed to the first belt conveying device through the first conveying device; the film covering device is arranged between the first belt conveying device and the second belt conveying device, after the film covered circuit breaker is loaded into the corresponding carton through the second conveying device, the carton filled with the circuit breaker is conveyed to the box closing device through the second conveying device to be subjected to a box closing process, and finally the carton closed through the second conveying device is conveyed to the box sealing adhesive tape device through the second conveying device to be subjected to a box sealing process. The invention can realize the encapsulation of the circuit breaker, has the advantages of high efficiency and labor cost saving, and has the characteristic of good sealing property.

Description

Circuit breaker packaging assembly line

Technical Field

The invention relates to the technical field of circuit breaker production, in particular to a small circuit breaker packaging assembly line.

Background

A miniature circuit breaker, also called a miniature circuit breaker, is a device installed on a circuit for protecting a home or industrial distribution board system, and protecting a load against an overload, an overcurrent, or a short-circuit current and an abnormal current occurring on a simple line, and is widely used in industrial, commercial, high-rise, and residential houses. Current miniature circuit breaker is after the assembly line equipment of mill is accomplished, generally need adopt the carton to pack it, and current operation mode is mostly manual packaging, and the workman opens the carton promptly (carton upper portion has the little apron that sets up in the left and right sides and sets up the big apron in both sides in the front and back), packs miniature circuit breaker back into the carton, closes little apron and the big apron on the carton again, utilizes the sticky tape to glue the packing of accomplishing miniature circuit breaker with little apron and the big apron on the carton at last. But because the market demand of miniature circuit breaker increases gradually in recent years, the mode efficiency that adopts the manual work to pack miniature circuit breaker is too low, can not satisfy the market supply demand to the packing leakproofness to the circuit breaker is relatively poor in the market, and the circuit breaker is deposited and is easily affected the tide and rusty in southern's moist warehouse, influences the quality and the life of circuit breaker.

Therefore, there is a need for a small circuit breaker packaging line to solve the above problems.

Disclosure of Invention

The invention aims to provide a circuit breaker packaging assembly line, which can realize packaging of a circuit breaker, has high efficiency, saves labor cost, is beneficial to mass production operation, and can avoid the influence on quality and service life caused by dampness in the storage process of the circuit breaker due to the sealing property of a packaging structure.

In order to achieve the purpose, the invention provides the following technical scheme: the circuit breaker packaging assembly line comprises a pre-coating device, a film covering device, a box opening device, a box closing device, a box sealing adhesive tape device, a first belt conveying device, a second belt conveying device and a third belt conveying device,

the pre-coating device comprises a first mounting frame, a first roller mechanism, a second roller mechanism and a coating mechanism are arranged on the first mounting frame, the first roller mechanism comprises a first driving motor arranged on the first mounting frame, a first material receiving wheel and a first material discharging wheel which are rotatably arranged on the first mounting frame, a motor shaft of the first driving motor is in linkage connection with the first material receiving wheel, a first film is coated on the first material receiving wheel and the first material discharging wheel, a first material guide rod for supporting the first film is respectively arranged on the mounting frame and positioned on the side of the first material receiving wheel and the side of the first material discharging wheel, the first film between the two first material guide rods forms a coating part, the second roller mechanism is arranged below the first roller mechanism, the second roller mechanism comprises a second driving motor arranged on the first mounting frame, and a second material receiving wheel and a second material discharging wheel which are rotatably arranged on the first mounting frame, a motor shaft of the second driving motor is in linkage connection with a second material receiving wheel, the second material receiving wheel and the second material discharging wheel are coated with a first thin film, a second material guiding rod used for supporting the second thin film is respectively arranged on the mounting frame and positioned on the lateral sides of the second material receiving wheel and the second material discharging wheel, the second thin film between the two second material guiding rods forms a lower film coating part, the lower film coating part is parallel to the upper film coating part, and the film coating mechanism is used for respectively cutting the upper film coating part and the lower film coating part and vertically coating a circuit breaker arranged between the upper film coating part and the lower film coating part;

the coated circuit breaker is conveyed to a first belt conveying device through a first conveying device, and the first belt conveying device conveys the coated circuit breaker to a film coating device;

the film laminating device is arranged between the first belt conveying device and the second belt conveying device and comprises a hollow heat drying box body with a front opening and a rear opening, and a hot air blower acting on a film on the surface of the circuit breaker is arranged on the heat drying box body to enable the film on the surface of the circuit breaker to be attached to the surface of the circuit breaker;

the box opening device is arranged on the third belt conveying device and is used for opening the folded cartons,

after the film-coated circuit breakers are loaded into the corresponding cartons through the second conveying device, the cartons with the circuit breakers are conveyed to a carton closing device through the second conveying device to be subjected to a carton closing process, and finally the cartons subjected to carton closing are conveyed to a carton sealing adhesive tape device through the second conveying device to be subjected to a carton sealing process.

By adopting the technical scheme, the film coating, film covering, boxing and sealing procedures of the circuit breaker can be realized, the labor cost is greatly reduced, the production efficiency is improved, the mass production operation is facilitated, meanwhile, the surface is coated with the film before the circuit breaker boxing operation, the sealing performance is good, the dustproof and moistureproof effects are achieved, the storage of the circuit breaker is facilitated, and the influence on the quality and the service life caused by dampness in the storage process of the circuit breaker can be avoided.

The film coating mechanism further comprises a support, a third driving motor, a first lead screw nut seat, a pair of first guide rods, a lower film cutting assembly and an upper film cutting assembly are arranged on the support, one end of the first lead screw is in linkage connection with a motor shaft of the third driving motor, the other end of the first lead screw is matched with the first lead screw nut seat, the first lead screw is provided with a forward thread part and a reverse thread part, the two first guide rods are arranged on the support and positioned at two sides of the first lead screw, the lower film cutting assembly comprises a lower sliding seat, the middle part of the lower sliding seat is in threaded fit with the forward thread part, two ends of the lower sliding seat are respectively in sliding fit with the two first guide rods, a lower air cylinder is arranged on the lower sliding seat, a lower pressing seat is arranged on the extending end of the lower air cylinder, a lower pressing flange extending upwards is arranged at the edge of the lower pressing seat, and a lower electric heating rod is arranged on the upper end surface of the lower pressing flange, the outer side of the lower press seat is provided with an extrusion flange which is a closed loop, the outer side of the extrusion flange is provided with a pressure-bearing step, the upper end face of the pressure-bearing step is provided with a cutter groove, the upper film cutting assembly comprises an upper slide seat, the middle part of the upper slide seat is in threaded fit with a backspin thread part, two ends of the upper slide seat are in sliding fit with two first guide rods respectively, an upper air cylinder is installed on the upper slide seat, an upper press seat is installed on the extending end of the upper air cylinder, the edge of the upper press seat is provided with an upper press flange which extends downwards and corresponds to the lower press flange, an upper electric heating rod is installed on the upper end face of the upper press flange, a cutting flange with an L-shaped section is arranged on the outer side of the upper press seat, an extrusion groove for the extrusion flange to extend into is formed between the cutting flange and the upper press seat, and a cutter corresponding to the cutter groove is installed on the lower end face of the cutting flange.

Through adopting above-mentioned technical scheme, can cut first film and second film and the two is linked together by the part hot melt that cuts and wraps the circuit breaker, the clothing cladding is on the circuit breaker surface to the follow-up heating to the film of being convenient for, simultaneously because the unique structure of diolame mechanism, the periphery of film hot melt linkage part can produce a cross-section and be the rim charge of U-shaped shape, this rim charge can cover the seam crossing at first film and second film when follow-up heating to promote the holistic sealed effect of film.

The invention is further provided that the first conveying device is used for conveying the coated circuit breaker to a first belt conveying device, the first conveying device comprises a first supporting column, the top of the first supporting column is provided with a mounting plate, one side of the mounting plate is provided with a stroke plate, the other side of the mounting plate corresponding to the stroke plate is provided with a fourth driving motor, a motor shaft of the fourth driving motor sequentially penetrates through the mounting plate and the stroke plate and is connected with a driving arm in a linkage manner, an inverted U-shaped groove body is arranged on the stroke plate around the motor shaft of the fourth driving motor, the driving arm is provided with an oblong hole corresponding to the groove body, the mounting plate is transversely provided with a first guide rail, the first guide rail is provided with a first slide block in a sliding manner, the first slide block is vertically provided with a first guide groove, the first guide groove is provided with a connecting arm in a sliding manner, and the upper end of the connecting arm is provided with a T-shaped connecting block, a connecting rod is mounted on the T-shaped connecting block, a roller extending into the groove body and the oblong hole is rotatably connected to the connecting rod, a fifth driving motor is mounted at the lower end of the connecting arm, and a motor shaft of the fifth driving motor is in linkage connection with a mechanical clamping jaw; a first pushing cylinder is installed on a first rack with the conveying device, and a pushing plate used for pushing the circuit breaker into the film covering device is arranged at the extending end of the first pushing cylinder.

By adopting the technical scheme, the coated circuit breaker can be conveyed to the first belt transmission device, the structure is stable, the multi-degree-of-freedom characteristic is realized, and fixed-point grabbing and throwing are favorably realized.

The invention is further provided that two sides of the travel plate are respectively provided with a travel stop, each travel stop is provided with a limit sensor, two sides of the T-shaped connecting block are respectively provided with a limit bolt which is used for abutting against the corresponding travel stop, and two sides of the T-shaped connecting block are respectively provided with a limit detection plate which is matched with the corresponding limit sensor.

Through adopting above-mentioned technical scheme, can carry out accurate spacing to mechanical clamping jaw's stroke to realize the accurate function of snatching the circuit breaker.

The film laminating device further comprises two groups of pushing assemblies symmetrically arranged at the bottom in the hot drying oven body, two mounting grooves are formed in the bottom in the hot drying oven body, the pushing assemblies are arranged in the corresponding mounting grooves, each pushing assembly comprises a plurality of supporting rollers rotatably arranged in the mounting grooves through rotating shafts, a pushing belt is wrapped on the supporting rollers, the rotating shafts on the supporting rollers at two ends are respectively connected with a sixth driving motor, a material guide plate is arranged on one side, close to the first belt conveying device, of the hot drying oven body, the extending end of the first pushing cylinder faces the material guide plate, a material guide frame which is obliquely arranged and extends towards the second belt conveying device is arranged on one side, close to the second belt conveying device, of the hot drying oven body, and a plurality of material guide rollers are rotatably arranged on the material guide frame.

Through adopting above-mentioned technical scheme, can realize the circuit breaker at the in-process of transportation, make its cladding on the circuit breaker surface to the film heating, have the advantage that promotes machining efficiency.

The invention is further arranged in such a way that a heat insulation groove extending along the transmission direction of the circuit breaker is arranged in the position between the two groups of pushing assemblies in the heat drying box body, a plurality of heating rods are uniformly arranged in the heat insulation groove, and heat insulation curtains are arranged at the inlet and the outlet of the heat drying box body.

Through adopting above-mentioned technical scheme, can realize diversified heating, guarantee that the internal temperature of oven is even to promote the tectorial membrane effect of circuit breaker.

The invention is further arranged that the box opening device comprises an underframe arranged at the side part of a third rack of a third belt conveyer, a driving rod and a driven rod are rotatably arranged on the underframe, a plurality of driving wheels are arranged on the driving rod, a plurality of driven wheels corresponding to the driving wheels are arranged on the driven rod, a progressive belt for conveying folded cartons is wrapped on the driving wheels and the corresponding driven wheels, one end of the driving rod is connected with a shaft sleeve in a linkage manner, an extension arm is arranged at the side part of the shaft sleeve, a first propulsion cylinder is also arranged at the side part of the underframe, the fixed end of the first propulsion cylinder is hinged at the position of the side part of the underframe below the shaft sleeve, the extension end of the first propulsion cylinder is hinged with the extension arm, a to-be-discharged bin for storing the folded cartons is also arranged on the underframe, the to-be-discharged bin is in an arc shape, an arc-shaped pushing port is arranged at the bottom of the to-be-discharged bin, and a second propulsion cylinder is arranged at the position of the underframe below the to-be-discharged bin, an arc-shaped propelling block which penetrates through the arc-shaped pushing port and acts on the folding carton is mounted at the extending end of the second propelling cylinder, a step-shaped bulge is arranged on one side, facing the arc-shaped pushing port, of the arc-shaped propelling block, a portal frame is further mounted on the chassis, an arc-shaped limiting plate which is used for pressing the folding carton on a bin to be discharged is mounted on the portal frame, a guide plate which is parallel to the horizontal plane is mounted on one side, close to the third belt conveyer, of the portal frame, an upper limiting rod which acts on the upper end of the folding carton is mounted on the guide plate, a side limiting rod which acts on the side portion of the folding carton is mounted on one side, close to the third belt conveyer, of the chassis, a spreading inclined plate which acts on the folding carton is mounted on one side, close to the chassis, of the third belt conveyer, an opening cylinder is arranged on one side, far away from the chassis, and the extending end of the opening cylinder is connected with a pneumatic suction head, when the folding carton is sucked by the pneumatic suction head, the box opening cylinder retracts to drive the folding carton to move towards the third belt conveying device, and the opening inclined plate acts on one side of the folding carton to open the folding carton.

Through adopting above-mentioned technical scheme, can strut folding carton one by one, reduced the requirement of carton to storage space promptly, it is fast to open the case moreover, can promote whole machining efficiency.

The invention is further arranged in such a way that a cover opening device is further arranged on a third rack of the third belt conveying device and comprises a cover opening frame, a cover opening cylinder is arranged at the top of the cover opening frame, the extending end of the cover opening cylinder is arranged downwards and is connected with an installation seat, four groups of cover opening assemblies are arranged at the bottom of the installation seat, each cover opening assembly comprises two support rods, a U-shaped suspension and two pressure rods, one end of each support rod is arranged on the installation seat, the U-shaped suspensions are arranged on the two support rods in a sliding mode, locking screws used for abutting against the support rods are arranged on the U-shaped suspensions, the two pressure rods are arranged at the bottom of the U-shaped suspensions through screws, each pressure rod comprises a connecting part, a first inclined guide part, a vertical rod part, a second inclined guide part and a pressing part which are of an integrated structure, the connecting part is connected with the U-shaped suspensions, and the pressing part is perpendicular to the vertical rod parts.

Through adopting above-mentioned technical scheme, can effectively open big apron and little apron on the carton, avoid big apron and little apron to cause the hindrance to the operation of the carton of circuit breaker packing into.

The carton closing device is arranged between the third belt conveying device and the carton sealing adhesive tape device and comprises a carton closing frame, a carton closing motor is arranged on the carton closing frame, a supporting plate is arranged on a motor shaft of the carton closing motor, a positioning groove for placing a carton is formed in the supporting plate, a swing arm mechanism is arranged at each of two sides of the supporting plate on the carton closing frame and comprises an installation rod, a cross beam is arranged on the installation rod and hinged to the corresponding carton closing plate, an air cylinder plate is further arranged on the cross beam and hinged to the corresponding carton closing plate, a swing rod is hinged to the extending end of the carton closing cylinder, and one end, far away from the carton closing cylinder, of the swing rod is hinged to the carton closing plate.

By adopting the technical scheme, the large cover plate and the small cover plate of the carton can be closed, so that the subsequent carton sealing operation is facilitated.

The second conveying device comprises a conveying frame, a conveying motor, a second lead screw nut seat, a moving block, a conveying air cylinder and a conveying clamp, wherein the conveying frame is arranged above the second belt conveying device, the third belt conveying device, the box closing device and the box sealing adhesive tape device; the conveying clamp comprises a connecting seat, two clamping jaw assemblies are respectively arranged on two sides of the connecting seat, each clamping jaw assembly comprises a first clamping arm, a second clamping arm, a clamping cylinder, two first connecting rods, two second connecting rods, a first linkage rod, a second linkage rod and a transmission rod, the first clamping arm and the second clamping arm are symmetrically arranged, a silica gel base plate is respectively arranged on the first clamping arm and the second clamping arm, the fixed end of the clamping cylinder is installed on the first clamping arm, the extending end of the clamping cylinder is connected with the second clamping arm, two ends of the first connecting rods are respectively hinged on the first clamping arm and the connecting seat, the two first connecting rods are parallel to each other, two ends of the second connecting rods are respectively hinged on the second clamping arm and the connecting seat, the two second connecting rods are parallel to each other, one end of the first linkage rod is hinged with the transmission rod, the other end of the first linkage rod is hinged with one of the first connecting rods, one end of the first linkage rod is hinged with one end, far away from the second linkage rod, of the transmission rod, and the other end of the first linkage rod is hinged with one of the first connecting rods.

Through adopting above-mentioned technical scheme, can realize snatching and the displacement to the accuracy of circuit breaker and carton, carry it to appointed processing station, snatch very stably, the displacement is fast, can greatly must promote machining efficiency, reduces the cost of labor.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic structural view of a pre-coating apparatus according to the present invention;

FIG. 3 is a schematic structural view of the enveloping mechanism of the present invention;

FIG. 4 is a cross-sectional view of the lower and upper press blocks of the present invention;

FIG. 5 is a schematic structural diagram of a first conveying device according to the present invention;

FIG. 6 is a schematic view of the film covering device according to the present invention;

FIG. 7 is a schematic view showing the internal structure of the film covering device of the present invention;

FIG. 8 is a first perspective view of the device for opening the box according to the present invention;

FIG. 9 is a second perspective view of the device for opening the carton of the present invention;

fig. 10 is a schematic structural view of the lid opening device of the present invention;

FIG. 11 is a schematic structural view of the box closing apparatus of the present invention;

FIG. 12 is a schematic view of a second conveyor according to the present invention;

fig. 13 is a schematic structural view of the conveying jig of the present invention.

In the figure: 1. a pre-coating device; 2. a film covering device; 3. a box opening device; 4. a box closing device; 5. a box sealing adhesive tape device; 6. a first belt conveyor; 7. a second belt conveyor; 8. a third belt conveyor; 9. a first mounting bracket; 10. a first roller mechanism; 11. a second roller mechanism; 12. a film coating mechanism; 13. a first drive motor; 14. a first material receiving wheel; 15. a first discharge wheel; 16. a first film; 17. a first guide bar; 18. a film coating part is arranged; 19. a second drive motor; 20. a second take-up wheel; 21. a second discharge wheel; 22. a second film; 23. a second guide bar; 24. a lower envelope part; 25. a first conveying device; 26. heating the oven body; 27. a hot air blower; 28. a second conveying device; 29. a support; 30. a third drive motor; 31. a first lead screw; 32. a first lead screw nut seat; 33. a first guide bar; 34. cutting the film assembly; 35. cutting a membrane assembly; 36. a positive thread portion; 37. a reverse-rotation threaded portion; 38. a lower slide base; 39. a lower cylinder; 40. pressing down the base; 41. pressing the flange downwards; 42. a lower electric heating rod; 43. extruding the flange; 44. a pressure-bearing step; 45. a cutter groove; 46. an upper slide base; 47. an upper cylinder; 48. an upper pressing seat; 49. pressing the flanges; 50. electrifying the electric heating rod; 51. cutting a flange; 52. extruding the groove; 53. a cutter; 54. a first support column; 55. mounting a plate; 56. a stroke plate; 57. a drive arm; 58. a trough body; 59. an oblong hole; 60. a first guide rail; 61. a first slider; 62. a first guide groove; 63. a connecting arm; 64. a T-shaped connecting block; 65. a connecting rod; 66. a roller; 67. a fifth drive motor; 68. a mechanical jaw; 69. a first frame; 70. a first push-out cylinder; 71. pushing the plate; 72. a travel stop; 73. a limit sensor; 74. a limit bolt; 75. a limiting detection plate; 76. a push assembly; 77. mounting grooves; 78. a support roller; 79. pushing the belt; 80. a sixth drive motor; 81. a material guide plate; 82. a material guide frame; 83. a material guide roller; 84. a heat preservation groove; 85. a heating rod; 86. a thermal insulation curtain; 87. a third frame; 88. a chassis; 89. a driving lever; 90. a driven lever; 91. a driving wheel; 92. a driven wheel; 93. a progressive belt; 94. a shaft sleeve; 95. an extension arm; 96. a first propulsion cylinder; 97. a material bin to be discharged; 98. an arc-shaped pushing port; 99. a second propulsion cylinder; 100. an arc-shaped propelling block; 101. a stepped projection; 102. a gantry; 103. an arc-shaped limiting plate; 104. a guide plate; 105. an upper limit rod; 106. a side stopper rod; 107. opening the inclined plate; 108. a box opening cylinder; 109. a pneumatic suction head; 110. a cap opening device; 111. opening a cover frame; 112. opening a cover of the cylinder; 113. a mounting base; 114. a lid opening assembly; 115. a support bar; 116. a U-shaped suspension; 117. a pressure lever; 118. locking screws; 119. a connecting portion; 120. a first inclined guide part; 121. a vertical rod part; 122. a second inclined guide part; 123. a pressing part; 124. a box closing frame; 125. a box closing motor; 126. a support plate; 127. positioning a groove; 128. a swing arm mechanism; 129. mounting a rod; 130. a cross beam; 131. closing the box plate; 132. a cylinder plate; 133. a box closing cylinder; 134. a swing rod; 135. a conveying motor; 136. a second lead screw; 137. a second lead screw nut seat; 138. a moving block; 139. a conveying cylinder; 140. conveying the clamp; 141. a guide groove; 142. a guide strip; 143. a connecting seat; 144. a jaw assembly; 145. a first clamp arm; 146. a second clamp arm; 147. a clamping cylinder; 148. a first link; 149. a second link; 150. a first linkage rod; 151. a second linkage rod; 152. a transmission rod; 153. a silica gel pad; 154. a fourth drive motor; 155. and (4) a conveying frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): the circuit breaker packaging assembly line shown in fig. 1 to 13 includes a pre-coating device 1, a film coating device 2, a box opening device 3, a box closing device 4, a box sealing adhesive tape device 5, a first belt conveying device 6, a second belt conveying device 7, and a third belt conveying device 8, wherein the box sealing adhesive tape device 5, the first belt conveying device 6, the second belt conveying device 7, and the third belt conveying device 8 are commercially available devices, and are prior art, and therefore detailed descriptions of specific structures thereof are omitted herein.

Pre-coating device 1 includes first mounting bracket 9, is equipped with first cylinder mechanism 10, second cylinder mechanism 11 and coating mechanism 12 on first mounting bracket 9, first cylinder mechanism 10 is including installing first driving motor 13 on first mounting bracket 9 and rotating first receipts material wheel 14 and first blowing wheel 15 of installing on first mounting bracket 9, first driving motor 13's motor shaft and first receipts material wheel 14 linkage are connected, the cladding has first film 16 on first receipts material wheel 14 and the first blowing wheel 15, the side that lies in first receipts material wheel 14 and first blowing wheel 15 on the mounting bracket is equipped with a first guide bar 17 that is used for supporting first film 16 respectively, and first film 16 between two first guide bars 17 forms coated portion 18, second cylinder mechanism 11 sets up in first cylinder mechanism 10 below, second cylinder mechanism 11 is including installing second driving motor 19 on first mounting bracket 9 and rotating and installing at first ampere A second material receiving wheel 20 and a second material discharging wheel 21 on the mounting frame 9, wherein a motor shaft of the second driving motor 19 is in linkage connection with the second material receiving wheel 20, the second material receiving wheel 20 and the second material discharging wheel 21 are coated with a first film 16, a second material guiding rod 23 for supporting a second film 22 is respectively arranged on the mounting frame and positioned on the lateral side of the second material receiving wheel 20 and the second material discharging wheel 21, the second film 22 between the two second material guiding rods 23 forms a lower film coating part 24, the lower film coating part 24 is parallel to the upper film coating part 18, and the film coating mechanism 12 is used for respectively cutting the upper film coating part 18 and the lower film coating part 24 and vertically coating the circuit breaker arranged between the upper film coating part 18 and the lower film coating part 24;

the coated circuit breaker is conveyed to a first belt conveying device 6 through a first conveying device 25, and the first belt conveying device 6 conveys the coated circuit breaker to a film coating device 2;

the film coating device 2 is arranged between the first belt conveying device 6 and the second belt conveying device 7, the film coating device 2 comprises a hollow heat drying oven body 26 with a front opening and a rear opening, and a hot air heater 27 acting on a film on the surface of the circuit breaker is arranged on the heat drying oven body 26 to enable the film on the surface of the circuit breaker to be attached to the surface of the circuit breaker;

the box opening device 3 is arranged on the third belt conveyer 8, the box opening device 3 is used for opening the folded paper boxes,

after the coated circuit breakers are loaded into the corresponding cartons through the second conveying device 28, the cartons with the circuit breakers are conveyed to the carton closing device 4 through the second conveying device 28 to be subjected to a carton closing process, and finally the cartons after being closed are conveyed to the carton sealing adhesive tape device 5 through the second conveying device 28 to be subjected to a carton sealing process. The design can realize the processes of film coating, film covering, boxing and sealing of the circuit breaker, greatly reduces labor cost, improves production efficiency, is beneficial to mass production operation, has good sealing property due to the fact that the surface of the circuit breaker is coated with a film before boxing operation, has dustproof and moistureproof effects, is beneficial to storage of the circuit breaker, and can avoid the influence on quality and service life due to dampness in the storage process of the circuit breaker.

As shown in fig. 3 and 4, the film coating mechanism 12 includes a bracket 29, a third driving motor 30, a first lead screw 31, a first lead screw nut seat 32, a pair of first guide rods 33, a lower film cutting assembly 34 and an upper film cutting assembly 35 are arranged on the bracket 29, one end of the first lead screw 31 is connected with a motor shaft of the third driving motor 30 in a linkage manner, the other end of the first lead screw 31 is matched with the first lead screw nut seat 32, the first lead screw 31 is provided with a forward thread portion 36 and a reverse thread portion 37, the two first guide rods 33 are arranged on the bracket 29 at positions on both sides of the first lead screw 31, the lower film cutting assembly 34 includes a lower sliding seat 38, the middle portion of the lower sliding seat 38 is in threaded fit with the forward thread portion 36, both ends of the lower sliding seat 38 are respectively in sliding fit with the two first guide rods 33, a lower air cylinder 39 is arranged on the lower sliding seat 38, a lower pressing seat 40 is arranged on an extending end of the lower air cylinder 39, the edge of the lower pressing base 40 is provided with a lower pressing flange 41 extending upwards, the upper end surface of the lower pressing flange 41 is provided with a lower electric heating rod 42, the outer side of the lower pressing base 40 is provided with a closed-loop extrusion flange 43, the outer side of the extrusion flange 43 is provided with a pressure-bearing step 44, the upper end surface of the pressure-bearing step 44 is provided with a knife groove 45, the upper film cutting component 35 comprises an upper sliding base 46, the middle part of the upper sliding base 46 is in threaded fit with a reverse-rotation thread part 37, the two ends of the upper sliding base 46 are respectively in sliding fit with the two first guide rods 33, the upper sliding base 46 is provided with an upper air cylinder 47, the extending end of the upper air cylinder 47 is provided with an upper pressing base 48, the edge of the upper pressing base 48 is provided with an upper pressing flange 49 extending downwards and corresponding to the lower pressing flange 41, the upper electric heating rod 50 is arranged on the upper end surface of the upper pressing flange 49, the outer side of the upper pressing base 48 is provided with a cutting flange 51 with an L-shaped section, and an extrusion groove 52 for the extrusion flange 43 to extend into is formed between the cutting flange 51 and the upper pressing base 48, the cutting flange 51 has a cutter 53 attached to a lower end surface thereof corresponding to the cutter groove 45. This design can cut first film 16 and second film 22 and the two is wrapped the circuit breaker together by the partial hot melt connection who cuts, the clothing cladding is on the circuit breaker surface heating the film in the follow-up of being convenient for, simultaneously because the unique structure of diolame mechanism 12, the periphery of film hot melt connecting portion 119 part can produce the rim charge that a cross-section is the U-shaped shape, this rim charge can cover the seam department at first film 16 and second film 22 when follow-up heating, thereby promote the holistic sealed effect of film.

As shown in fig. 5, the first conveying device 25 is used for conveying the coated circuit breaker to the first belt conveyor 6, the first conveying device 25 includes a first support column 54, a mounting plate 55 is disposed on the top of the first support column 54, a stroke plate 56 is mounted on one side of the mounting plate 55, a fourth driving motor 154 is mounted on the mounting plate 55 and corresponds to the other side of the stroke plate 56, a motor shaft of the fourth driving motor 154 sequentially penetrates through the mounting plate 55 and the stroke plate 56 and is linked with a driving arm 57, an inverted U-shaped groove body 58 is disposed on the stroke plate 56 around the motor shaft of the fourth driving motor 154, an oblong hole 59 corresponding to the groove body 58 is disposed on the driving arm 57, a first guide rail 60 is disposed on the mounting plate 55 along the transverse direction, a first slider 61 is slidably disposed on the first guide rail 60, a first guide groove 62 is disposed on the first slider 61 along the vertical direction, a connecting arm 63 is arranged on the first guide groove 62 in a sliding mode, a T-shaped connecting block 64 is arranged at the upper end of the connecting arm 63, a connecting rod 65 is installed on the T-shaped connecting block 64, a roller 66 extending into the groove body 58 and the long circular hole 59 is connected to the connecting rod 65 in a rotating mode, a fifth driving motor 67 is installed at the lower end of the connecting arm 63, and a mechanical clamping jaw 68 is connected to the motor shaft of the fifth driving motor 67 in a linkage mode; a first push-out cylinder 70 is mounted on the first frame 69 of the first belt conveying device 6, and a push plate 71 used for pushing the circuit breaker into the film laminating device 2 is arranged on the extending end of the first push-out cylinder 70. The design can convey the coated circuit breaker to the first belt transmission device, has the advantages of being stable in structure and multiple in degree of freedom, and facilitates fixed-point grabbing and releasing.

As shown in fig. 5, two sides of the travel plate 56 are respectively provided with a travel stop 72, each travel stop 72 is provided with a limit sensor 73, two sides of the T-shaped connecting block 64 are respectively provided with a limit bolt 74 for abutting against the corresponding travel stop 72, and two sides of the T-shaped connecting block 64 are respectively provided with a limit detection plate 75 matched with the corresponding limit sensor 73. This design can carry out accurate spacing to the stroke of mechanical clamping jaw 68 to realize the accurate function of snatching the circuit breaker.

As shown in fig. 6 and 7, the film covering device 2 further comprises two groups of pushing assemblies 76 symmetrically arranged at the bottom in the hot oven body 26, two mounting grooves 77 are formed at the bottom of the hot oven body 26, the pushing assembly 76 is arranged in the corresponding mounting groove 77, the pushing assembly 76 comprises a plurality of supporting rollers 78 rotatably disposed in the mounting groove 77 via a rotating shaft, a pushing belt 79 is wrapped on the plurality of supporting rollers 78, the rotating shafts on the supporting rollers 78 at both ends are respectively connected with a sixth driving motor 80, a material guide plate 81 is arranged at one side of the hot oven body 26 close to the first belt conveyer 6, the extending end of the first push-out cylinder 70 is arranged towards the material guide plate 81, a material guide frame 82 which is obliquely arranged and extends towards the direction of the second belt conveyer 7 is arranged on one side of the hot oven body 26 close to the second belt conveyer 7, and a plurality of material guide rollers 83 are rotatably arranged on the material guide frame 82. This design can realize that the circuit breaker makes its cladding on the circuit breaker surface at the in-process of transportation to the film heating, has the advantage that promotes machining efficiency.

As shown in fig. 6 and 7, a heat-preserving groove 84 extending along the conveying direction of the circuit breaker is arranged in the position between the two groups of pushing assemblies 76 in the hot oven body 26, a plurality of heating rods 85 are uniformly arranged in the heat-preserving groove 84, and heat-preserving curtains 86 are arranged at the inlet and the outlet of the hot oven body 26. This design can realize diversified heating, guarantees that the temperature is even in the hot drying oven body 26 to promote the tectorial membrane effect of circuit breaker.

As shown in fig. 8 and 9, the box opening device 3 includes a bottom frame 88 installed at a side portion of a third frame 87 of the third belt conveyor 8, a driving rod 89 and a driven rod 90 are rotatably installed on the bottom frame 88, a plurality of driving wheels 91 are installed on the driving rod 89, a plurality of driven wheels 92 corresponding to the driving wheels 91 are installed on the driven rod 90, a progressive belt 93 for conveying the folded cartons is wrapped on the driving wheels 91 and the corresponding driven wheels 92, a shaft sleeve 94 is connected to one end of the driving rod 89 in a linkage manner, an extension arm 95 is installed at a side portion of the shaft sleeve 94, a first propulsion cylinder 96 is further installed at a side portion of the bottom frame 88, a fixed end of the first propulsion cylinder 96 is hinged to a position at the side portion of the bottom frame 88 below the shaft sleeve 94, an extending end of the first propulsion cylinder 96 is hinged to the extension arm 95, a to-be-discharged bin 97 for storing the folded cartons is further installed on the bottom frame 88, the material discharging bin 97 is arc-shaped, an arc pushing port 98 is arranged at the bottom of the material discharging bin 97, a second pushing cylinder 99 is arranged at a position, below the material discharging bin 97, on the bottom frame 88, an arc pushing block 100 for penetrating through the arc pushing port 98 to act on the folding carton is arranged at the extending end of the second pushing cylinder 99, a step-shaped bulge 101 is arranged at one side, facing the arc pushing port 98, of the arc pushing block 100, a portal frame 102 is further arranged on the bottom frame 88, an arc limiting plate 103 for pressing the folding carton on the material discharging bin 97 is arranged on the portal frame 102, a guide plate 104 parallel to the horizontal plane is arranged at one side, close to the third belt conveyer 8, of the portal frame 102, an upper limiting rod 105 acting on the upper end of the folding carton is arranged on the guide plate 104, a side limiting rod 106 acting on the side of the folding carton is arranged at one side, close to the third belt conveyer 8, of the bottom frame 88, a spreading inclined plate 107 acting on the folding carton is arranged on one side, close to the chassis 88, of the third rack 87 of the third belt conveyer 8, a box opening cylinder 108 is arranged on one side, far away from the chassis 88, of the third belt conveyer 8, a pneumatic suction head 109 is connected to the extending end of the box opening cylinder 108, when the folding carton is sucked by the pneumatic suction head 109, the box opening cylinder 108 retracts to drive the folding carton to move towards the third belt conveyer 8, and the spreading inclined plate 107 acts on one side of the folding carton to spread the folding carton. This design can be propped open folding carton one by one, has reduced the requirement of carton to storage space promptly, and the unpacking is fast moreover, can promote whole machining efficiency.

As shown in fig. 10, a cover opening device 110 is further disposed on the third frame 87 of the third belt conveyor 8, the cover opening device 110 includes a cover opening frame 111, a cover opening cylinder 112 is disposed on the top of the cover opening frame 111, the extending end of the cover opening cylinder 112 is disposed downward and connected to a mounting seat 113, four sets of cover opening assemblies 114 are disposed on the bottom of the mounting seat 113, each cover opening assembly 114 includes two support rods 115, a U-shaped suspension 116 and two pressing rods 117, one end of each support rod 115 is disposed on the mounting seat 113, the U-shaped suspension 116 is slidably disposed on the two support rods 115, locking screws 118 for abutting against the support rods 115 are disposed on the U-shaped suspension 116, the two pressing rods 117 are mounted on the bottom of the U-shaped suspension 116 through screws, the pressing rods 117 include a connecting portion 119, a first inclined guide portion 120, a vertical rod portion 121, a second inclined guide portion 122 and a lower pressing portion 123, the connecting portion 119 is connected to the U-shaped suspension 116, and the pressing portion 123 is perpendicular to the vertical rod portion 121. This design can effectively open big apron and little apron on the carton, avoids big apron and little apron to cause the hindrance to the operation of the carton that the circuit breaker packed into.

As shown in fig. 11, the box closing device 4 is disposed between the third belt conveyor 8 and the box sealing adhesive tape device 5, the box closing device 4 includes a box closing frame 124, a box closing motor 125 is disposed on the box closing frame 124, a support plate 126 is mounted on a motor shaft of the box closing motor 125, a positioning slot 127 for placing a carton is disposed on the support plate 126, a swing arm mechanism 128 is disposed on each of two sides of the support plate 126 on the box closing frame 124, each swing arm mechanism 128 includes a mounting rod 129, a cross beam 130 is disposed on the mounting rod 129, a related box plate 131 is hinged on the cross beam 130, a cylinder plate 132 is further mounted on the cross beam 130, a related box cylinder 133 is mounted on the cylinder plate 132, an extending end of the box closing cylinder 133 is hinged to a swing rod 134, and one end of the swing rod 134, which is far away from the box closing cylinder 133, is hinged to the box closing plate 131. This design can close the big apron and the little apron of carton, the follow-up joint sealing operation of being convenient for.

As shown in fig. 12 and 13, the second conveying device 28 includes a conveying frame 155, a conveying motor 135, a second lead screw 136, a second lead screw nut seat 137, a moving block 138, a conveying cylinder 139 and a conveying clamp 140, the conveying frame 155 is disposed above the second belt conveying device 7, the third belt conveying device 8, the box closing device 4 and the box sealing adhesive tape device 5, the conveying motor 135 and the second lead screw nut seat 137 are respectively disposed on two sides of the conveying frame 155, one end of the second lead screw 136 is connected with a motor shaft of the conveying motor 135 in a linkage manner, the other end of the second lead screw 136 is matched with a second lead screw 136 nut, the moving block 138 is in threaded fit with the second lead screw 136, a guide groove 141 is disposed at an upper end of the moving block 138, a guide bar 142 matched with the guide groove 141 is disposed on the conveying frame 155, a fixed end of the conveying cylinder 139 is mounted on the moving block 138, the extending end of the conveying cylinder 139 is connected with a conveying clamp 140; the conveying clamp 140 comprises a connecting seat 143, two sides of the connecting seat 143 are respectively provided with a clamping jaw assembly 144, the clamping jaw assembly 144 comprises a first clamping arm 145, a second clamping arm 146, a clamping cylinder 147, two first connecting rods 148, two second connecting rods 149, a first linkage rod 150, a second linkage rod 151 and a transmission rod 152, the first clamping arm 145 and the second clamping arm 146 are symmetrically arranged, the first clamping arm 145 and the second clamping arm 146 are respectively provided with a silica gel pad 153, a fixed end of the clamping cylinder 147 is mounted on the first clamping arm 145, an extending end of the clamping cylinder 147 is connected with the second clamping arm 146, two ends of the first connecting rod 148 are respectively hinged on the first clamping arm 145 and the connecting seat 143, the two first connecting rods 148 are parallel to each other, two ends of the second connecting rod 149 are respectively hinged on the second clamping arm 146 and the connecting seat 143, the two second connecting rods 149 are parallel to each other, one end of the first connecting rod 150 is hinged with the transmission rod 152, the other end of the first linkage rod 150 is hinged to one of the first links 148, one end of the first linkage rod 150 is hinged to one end of the transmission rod 152 far away from the second linkage rod 151, and the other end of the first linkage rod 150 is hinged to one of the first links 148. This design can realize snatching and the displacement to the accuracy of circuit breaker and carton, carries it to appointed processing station, snatchs very stably, and the displacement is fast, can greatly must promote machining efficiency, reduces the cost of labor.

Claims

1. Circuit breaker encapsulation assembly line, its characterized in that: comprises a pre-coating device (1), a film covering device (2), a box opening device (3), a box closing device (4), a box sealing adhesive tape device (5), a first belt conveying device (6), a second belt conveying device (7) and a third belt conveying device (8),

the pre-coating device (1) comprises a first mounting frame (9), a first roller mechanism (10), a second roller mechanism (11) and a coating mechanism (12) are arranged on the first mounting frame (9), the first roller mechanism (10) comprises a first driving motor (13) installed on the first mounting frame (9), a first material receiving wheel (14) and a first material discharging wheel (15) which are installed on the first mounting frame (9) in a rotating mode, a motor shaft of the first driving motor (13) is connected with the first material receiving wheel (14) in a linkage mode, a first thin film (16) is coated on the first material receiving wheel (14) and the first material discharging wheel (15), first material guide rods (17) used for supporting the first thin film (16) are arranged on the side portions, located on the first material receiving wheel (14) and the first material discharging wheel (15), of the first thin film (16) between the two first material guide rods (17) forms a coating portion (18), the second roller mechanism (11) is arranged below the first roller mechanism (10), the second roller mechanism (11) comprises a second driving motor (19) arranged on the first mounting frame (9), and a second material receiving wheel (20) and a second material discharging wheel (21) which are rotatably arranged on the first mounting frame (9), a motor shaft of the second driving motor (19) is in linkage connection with the second material receiving wheel (20), the second material receiving wheel (20) and the second material discharging wheel (21) are coated with a second film (22), the side portions of the second material receiving wheel (20) and the second material discharging wheel (21) on the mounting frame are respectively provided with a second material guiding rod (23) for supporting the second film (22), the second film (22) between the two second material guiding rods (23) forms a lower film wrapping portion (24), and the lower film wrapping portion (24) is parallel to the upper film wrapping portion (18), the film coating mechanism (12) is used for cutting the upper film coating part (18) and the lower film coating part (24) respectively and vertically coating the circuit breaker arranged between the upper film coating part (18) and the lower film coating part (24);

the coated circuit breaker is conveyed to a first belt conveying device (6) through a first conveying device (25), and the first belt conveying device (6) conveys the coated circuit breaker to a film coating device (2);

the film laminating device (2) is arranged between the first belt conveying device (6) and the second belt conveying device (7), the film laminating device (2) comprises a hollow heat drying box body (26) with a front opening and a rear opening, and a hot air fan (27) acting on a film on the surface of the circuit breaker is arranged on the heat drying box body (26) to enable the film on the surface of the circuit breaker to be attached to the surface of the circuit breaker;

the box opening device (3) is arranged on the third belt conveying device (8), the box opening device (3) is used for opening the folded paper boxes,

after the coated circuit breakers are loaded into corresponding cartons through a second conveying device (28), the cartons with the circuit breakers are conveyed to a carton closing device (4) through the second conveying device (28) to be subjected to a carton closing process, and finally the cartons after being closed are conveyed to a carton sealing adhesive tape device (5) through the second conveying device (28) to be subjected to a carton sealing process.

2. The circuit breaker packaging line of claim 1, wherein: the film coating mechanism (12) comprises a support (29), a third driving motor (30), a first lead screw (31), a first lead screw nut seat (32), a pair of first guide rods (33), a lower film cutting assembly (34) and an upper film cutting assembly (35) are arranged on the support (29), one end of the first lead screw (31) is in linkage connection with a motor shaft of the third driving motor (30), the other end of the first lead screw (31) is matched with the first lead screw nut seat (32), a forward threaded portion (36) and a reverse threaded portion (37) are arranged on the first lead screw (31), the two first guide rods (33) are arranged on the support (29) and located at positions on two sides of the first lead screw (31), the lower film cutting assembly (34) comprises a lower sliding seat (38), the middle of the lower sliding seat (38) is in threaded fit with the forward threaded portion (36), and two ends of the lower sliding seat (38) are respectively in sliding fit with the two first guide rods (33), install down cylinder (39) on lower slide (38), install down on the end that stretches out of lower cylinder (39) and press seat (40), press seat (40) edge down and be equipped with the lower pressfitting flange (41) that upwards extends, press down and close electric rod (42) down to install on flange (41) up end, press seat (40) outside down and be equipped with extrusion flange (43) of closed loop, the outside of extrusion flange (43) is equipped with pressure-bearing step (44), be equipped with sword groove (45) on the up end of pressure-bearing step (44), go up cut membrane module (35) and include upper slide (46), go up slide (46) middle part and derotation screw thread portion (37) screw-thread fit, go up slide (46) both ends respectively with two first guide arms (33) sliding fit, go up slide (46) and install on cylinder (47), go up the end that stretches out of upper air cylinder (47) and install on pressure seat (48), go up pressure seat (48) edge is equipped with and extends down and presses down and to close the corresponding last pressfitting flange (41) pressfitting flange (48) down 49) An upper electric heating rod (50) is installed on the upper end face of the upper pressing flange (49), a cutting flange (51) with an L-shaped section is arranged on the outer side of the upper pressing seat (48), an extrusion groove (52) for the extrusion flange (43) to extend into is formed between the cutting flange (51) and the upper pressing seat (48), and a cutter (53) corresponding to the cutter groove (45) is installed on the lower end face of the cutting flange (51).

3. The circuit breaker packaging line of claim 1, wherein: the first conveying device (25) is used for conveying the coated circuit breaker to the first belt conveying device (6), the first conveying device (25) comprises a first supporting column (54), a mounting plate (55) is arranged at the top of the first supporting column (54), a stroke plate (56) is mounted on one side of the mounting plate (55), a fourth driving motor (154) is mounted on the other side, corresponding to the stroke plate (56), of the mounting plate (55), a motor shaft of the fourth driving motor (154) penetrates through the mounting plate (55) and the stroke plate (56) in sequence and is connected with a driving arm (57) in a linkage mode, an inverted U-shaped groove body (58) is arranged on the stroke plate (56) around the motor shaft of the fourth driving motor (154), a long circular hole (59) corresponding to the groove body (58) is formed in the driving arm (57), and a first guide rail (60) is transversely arranged on the mounting plate (55), a first sliding block (61) is arranged on the first guide rail (60) in a sliding manner, a first guide groove (62) is vertically arranged on the first sliding block (61), a connecting arm (63) is arranged on the first guide groove (62) in a sliding manner, a T-shaped connecting block (64) is arranged at the upper end of the connecting arm (63), a connecting rod (65) is installed on the T-shaped connecting block (64), a roller (66) extending into the groove body (58) and the long circular hole (59) is connected to the connecting rod (65) in a rotating manner, a fifth driving motor (67) is installed at the lower end of the connecting arm (63), and a motor shaft of the fifth driving motor (67) is connected with a mechanical clamping jaw (68) in a linkage manner; a first push-out cylinder (70) is installed on a first rack (69) of the first belt conveying device (6), and a push plate (71) used for pushing the circuit breaker into the film coating device (2) is arranged at the extending end of the first push-out cylinder (70).

4. The circuit breaker packaging line of claim 3, wherein: travel stop blocks (72) are respectively installed on two sides of the travel plate (56), a limiting sensor (73) is installed on each travel stop block (72), a limiting bolt (74) used for abutting against the corresponding travel stop block (72) is respectively arranged on two sides of the T-shaped connecting block (64), and a limiting detection plate (75) matched with the corresponding limiting sensor (73) is respectively installed on two sides of the T-shaped connecting block (64).

5. The circuit breaker packaging line of claim 3, wherein: the film laminating device (2) further comprises two groups of pushing assemblies (76) symmetrically arranged at the bottom in the hot drying box body (26), two mounting grooves (77) are formed in the bottom in the hot drying box body (26), the pushing assemblies (76) are arranged in the corresponding mounting grooves (77), each pushing assembly (76) comprises a plurality of supporting rollers (78) which are rotatably arranged in the corresponding mounting grooves (77) through rotating shafts, a pushing belt (79) is wrapped on the supporting rollers (78), the rotating shafts on the supporting rollers (78) at the two ends are respectively connected with a sixth driving motor (80), a material guide plate (81) is arranged on one side, close to the first belt conveying device (6), of the hot drying box body (26), an extending end of a first pushing cylinder (70) is arranged towards the material guide plate (81), a material guide frame (82) which is obliquely arranged and extends towards the second belt conveying device (7) is arranged on one side, close to the second belt conveying device (7), of the hot drying box body (26), the material guide frame (82) is provided with a plurality of material guide rollers (83) in a rotating way.

6. The circuit breaker packaging line of claim 5, wherein: the position that lies in between two sets of push components (76) in the hot drying oven body (26) is provided with heat preservation groove (84) that extend along circuit breaker direction of transfer, evenly be provided with a plurality of heating rods (85) in heat preservation groove (84), the import and the exit of hot drying oven body (26) are equipped with heat preservation curtain (86).

7. The circuit breaker packaging line of claim 1, wherein: the carton opening device (3) comprises an underframe (88) arranged on the side part of a third rack (87) of a third belt conveying device (8), a driving rod (89) and a driven rod (90) are rotatably arranged on the underframe (88), a plurality of driving wheels (91) are arranged on the driving rod (89), a plurality of driven wheels (92) corresponding to the driving wheels (91) are arranged on the driven rod (90), the driving wheels (91) and the corresponding driven wheels (92) are coated with progressive belts (93) used for conveying folding cartons, one end of the driving rod (89) is connected with a shaft sleeve (94) in a linkage manner, an extension arm (95) is arranged on the side part of the shaft sleeve (94), a first propulsion cylinder (96) is further arranged on the side part of the underframe (88), the fixed end of the first propulsion cylinder (96) is hinged to the position, below the shaft sleeve (94), and the extension end of the first propulsion cylinder (96) is hinged to the extension arm (95), the material discharging device is characterized in that a material discharging bin (97) for storing the folding carton is further installed on the bottom frame (88), the material discharging bin (97) is in an arc shape, an arc pushing port (98) is formed in the bottom of the material discharging bin (97), a second pushing cylinder (99) is installed at a position, below the material discharging bin (97), on the bottom frame (88), an arc pushing block (100) for penetrating through the arc pushing port (98) to act on the folding carton is installed at the extending end of the second pushing cylinder (99), a step-shaped bulge (101) is arranged on one side, facing the arc pushing port (98), of the arc pushing block (100), a portal frame (102) is further installed on the bottom frame (88), an arc limiting plate (103) for pressing the folding carton on the material discharging bin (97) is installed on the portal frame (102), a guide plate (104) parallel to the horizontal plane is installed on one side, close to the third belt conveying device (8), of the portal frame (102), an upper limiting rod (105) acting on the upper end of the folding carton is installed on the guide plate (104), a side limiting rod (106) acting on the side portion of the folding carton is arranged on one side, close to the third belt conveying device (8), of the bottom frame (88), a spreading inclined plate (107) acting on the folding carton is arranged on one side, close to the bottom frame (88), of the third rack (87) of the third belt conveying device (8), a box opening cylinder (108) is arranged on one side, far away from the bottom frame (88), of the third belt conveying device (8), a pneumatic suction head (109) is connected to the extending end of the box opening cylinder (108), when the folding carton is sucked by the pneumatic suction head (109), the box opening cylinder (108) retracts to drive the folding carton to move towards the third belt conveying device (8), and the spreading inclined plate (107) acts on one side of the folding carton to spread the folding carton.

8. The circuit breaker packaging line of claim 1, wherein: still be equipped with uncapping device (110) on third frame (87) of third area conveyer (8), uncapping device (110) is including uncapping frame (111), and uncapping frame (111) top is equipped with uncapping cylinder (112), and the end that stretches out of uncapping cylinder (112) sets up downwards and is connected with mount pad (113), and mount pad (113) bottom is equipped with four group and uncapping subassembly (114), uncapping subassembly (114) includes two bracing pieces (115), U-shaped suspension (116) and two depression bars (117), the one end of bracing piece (115) sets up on mount pad (113), and U-shaped suspension (116) slide and set up on two bracing pieces (115), are equipped with on U-shaped suspension (116) and are used for supporting locking screw (118) on bracing piece (115), and two depression bars (117) are installed in U-shaped suspension (116) bottom through the screw, depression bar (117) are including connecting portion (119) that are the integral type structure, The connecting part (119) is connected with the U-shaped suspension (116), and the pressing part (123) is perpendicular to the vertical rod part (121).

9. The circuit breaker packaging line of claim 1, wherein: the carton closing device (4) is arranged between a third belt conveying device (8) and a carton sealing adhesive tape device (5), the carton closing device (4) comprises a carton closing frame (124), a carton closing motor (125) is arranged on the carton closing frame (124), a supporting plate (126) is installed on a motor shaft of the carton closing motor (125), a positioning groove (127) for placing cartons is formed in the supporting plate (126), swing arm mechanisms (128) are respectively arranged at positions, located on two sides of the supporting plate (126), on the carton closing frame (124), the swing arm mechanisms (128) comprise installation rods (129), cross beams (130) are arranged on the installation rods (129), relevant box plates (131) are hinged on the cross beams (130), air cylinder plates (132) are further installed on the cross beams (130), relevant box air cylinders (133) are installed on the air cylinder plates (132), and extending ends of the carton closing air cylinders (133) are hinged to swing rods (134), one end of the swing rod (134) far away from the box closing cylinder (133) is hinged with the box closing plate (131).

10. The circuit breaker packaging line of claim 1, wherein: the second conveying device (28) comprises a conveying frame (155), a conveying motor (135), a second lead screw (136), a second lead screw nut seat (137), a moving block (138), a conveying cylinder (139) and a conveying clamp (140), the conveying frame (155) is arranged above the second belt conveying device (7), the third belt conveying device (8), the box closing device (4) and the box sealing adhesive tape device (5), the conveying motor (135) and the second lead screw nut seat (137) are respectively arranged on two sides of the conveying frame (155), one end of the second lead screw (136) is in linkage connection with a motor shaft of the conveying motor (135), the other end of the second lead screw (136) is matched with a nut of the second lead screw (136), the moving block (138) is in threaded fit with the second lead screw (136), a guide groove (141) is formed in the upper end of the moving block (138), and a guide strip (142) matched with the guide groove (141) is formed in the conveying frame (155), the fixed end of the conveying cylinder (139) is arranged on a moving block (138), and the extending end of the conveying cylinder (139) is connected with a conveying clamp (140); the conveying clamp (140) comprises a connecting seat (143), two sides of the connecting seat (143) are respectively provided with a clamping jaw assembly (144), the clamping jaw assembly (144) comprises a first clamping arm (145), a second clamping arm (146), a clamping cylinder (147), two first connecting rods (148), two second connecting rods (149), a first linkage rod (150), a second linkage rod (151) and a transmission rod (152), the first clamping arm (145) and the second clamping arm (146) are symmetrically arranged, the first clamping arm (145) and the second clamping arm (146) are respectively provided with a silica gel base plate (153), the fixed end of the clamping cylinder (147) is installed on the first clamping arm (145), the extending end of the clamping cylinder (147) is connected with the second clamping arm (146), two ends of the first connecting rod (148) are respectively hinged on the first clamping arm (145) and the connecting seat (143), and the two first connecting rods (148) are parallel to each other, two ends of the second connecting rod (149) are respectively hinged to the second clamping arm (146) and the connecting seat (143), the two second connecting rods (149) are parallel to each other, one end of the first linkage rod (150) is hinged to the transmission rod (152), the other end of the first linkage rod (150) is hinged to one of the first connecting rods (148), one end of the first linkage rod (150) is hinged to one end, far away from the second linkage rod (151), of the transmission rod (152), and the other end of the first linkage rod (150) is hinged to one of the first connecting rods (148).