CN214452248U - Welding rod automatic weighing step-by-step packaging production line - Google Patents

Abstract

The utility model relates to a welding rod automatic weighing step-by-step packaging production line, including the chassis, the one end of chassis is provided with the conveyer belt the same with chassis length direction, the both sides that the chassis corresponds the conveyer belt discharge end all are provided with the ware of weighing, and the equal level of upside of the ware of weighing is provided with the weighing plate, the upside that the chassis corresponds two ware of weighing all is provided with the reposition of redundant personnel frame that can follow chassis width direction reciprocating motion, all be provided with the reposition of redundant personnel arm that can vertical motion on the reposition of redundant personnel frame, the downside of reposition of redundant personnel arm all is provided with the claw that colludes that can collude and get or loosen the welding rod, the position that the both sides ware of weighing that the chassis corresponds the conveyer belt all is provided with the feed supplement subassembly that can the feed supplement on the weighing plate. This application has the reduction manual work, improves work efficiency's effect.

Description

Welding rod automatic weighing step-by-step packaging production line

Technical Field

The application relates to the field of automatic packaging equipment, in particular to a welding rod automatic weighing stepping packaging production line.

Background

The welding rod is a metal strip which is melted and filled at the joint of a welding workpiece and is widely applied to gas welding or electric welding, along with the continuous progress of science and technology, the production efficiency of the welding rod is obviously improved, and the improvement from manual operation to automation gradually occurs.

In the prior art, the production of welding rods is basically completed through a production line, but the welding rod weighing and packaging process is generally completed manually, a worker needs to call out a certain number of welding rods, then the welding rods are placed on a weighing device for weighing, then material supplementing is performed according to the weighing result, and finally the welding rods are sorted and then packaged.

Aiming at the related technologies, the welding rods of the inventor are particularly troublesome in the process of weighing and sorting, the efficiency is low, and the working efficiency is difficult to ensure.

SUMMERY OF THE UTILITY MODEL

In order to reduce the manual work, improve work efficiency, this application provides a welding rod automatic weighing step-by-step packaging production line.

The application provides a pair of welding rod automatic weighing step-by-step packaging production line adopts following technical scheme:

the utility model provides a welding rod automatic weighing step-by-step packaging production line, includes the chassis, and the one end of chassis is provided with the conveyer belt the same with chassis length direction, the both sides that the chassis corresponds the conveyer belt discharge end all are provided with the ware of weighing, and the equal level of upside of the ware of weighing is provided with weighing plate, the upside that the chassis corresponds two ware of weighing all is provided with the reposition of redundant personnel frame that can follow chassis width direction reciprocating motion, all be provided with the reposition of redundant personnel arm that can vertical motion on the reposition of redundant personnel frame, the downside of reposition of redundant personnel arm all is provided with the claw that colludes that can collude and get or loosen the welding rod, the position that the both sides ware of weighing that the chassis corresponds the conveyer belt all is provided with the feed supplement subassembly that can weigh the feed supplement on the weighing plate.

By adopting the technical scheme, when in work, welding rods are placed on the upper side of the conveying belt along the conveying direction vertical to the conveying belt, meanwhile, a shunt frame drives a shunt arm to move to the position of the conveying belt, the shunt arm drives a hook claw to descend and hook a proper amount of welding rods, the shunt arm drives the hook claw to hook the welding rods to ascend, then, the shunt frame drives the shunt arm to move to the upper side of the weighing plate, the welding rods are placed on the upper side of the weighing plate through the hook claw to be weighed, when the weight of the weighing welding rods is lower, material supplement is carried out through a material supplement component on the same side, the welding rods can be directly taken away from the weighing plate to wait for weighing on the lower side after weighing is finished, when the shunt arm is driven by the previous shunt frame to slide and hook the welding rods through the hook claw to be conveyed to a weighing device on the corresponding side, the other shunt frame also drives the other shunt arm to slide and hook the welding rods through the other hook claw to be conveyed to the weighing device on the corresponding side to be weighed, the continuous automatic weighing of the welding rods is realized by the sequential cyclic reciprocation.

Optionally, the material supplementing assembly comprises a material supplementing frame with the length direction being the same as that of the conveying belt, one end, close to the weighing device, of the material supplementing frame is inclined downwards, the lower end of the material supplementing frame is connected with a material supplementing wheel with the axis direction being the same as that of the width direction of the bottom frame in a rotating mode, a material supplementing groove is formed in the peripheral face of the material supplementing wheel, welding rods in the material supplementing frame can fall into the material supplementing groove along with the rotation of the material supplementing wheel, and the welding rods in the material supplementing groove can be conveyed to the upper side of the weighing plate along with the rotation of the material supplementing wheel.

Through adopting above-mentioned technical scheme, under the normality, the welding rod will fall to piling up in the downside of feed supplement frame because of the dead weight is automatic, when needs feed supplement, rotates through the feed supplement wheel, can promote the welding rod of feed supplement frame lower extreme in the feed supplement frame to the upside of weighing device is sent to along with the rotation of feed supplement wheel, realizes the feed supplement of welding rod.

Optionally, the upside that the chassis corresponds the conveyer belt is provided with the feed supplement balladeur train that can follow chassis width direction reciprocating motion, be provided with the feed supplement that can follow vertical direction reciprocating motion on the feed supplement balladeur train and found the arm, the horizontal rigid coupling in one side that feed supplement found the arm and keep away from the feed supplement frame has the feed supplement xarm, the downside of feed supplement xarm is provided with the feed supplement clamping jaw that can follow its length direction reciprocating motion.

By adopting the technical scheme, when the two feeding frames need to be fed, the feeding vertical arm is driven to slide to the upper side of the conveying belt by the feeding sliding frame, then the feeding vertical arm slides along the vertical direction, the feeding cross arm is driven to slide along the length direction of the feeding cross arm by the feeding clamping jaws, the position of the feeding clamping jaws is adjusted, welding rods on the upper side of the conveying belt can be clamped by the feeding clamping jaws, then the rear feeding vertical arm rises along the vertical direction, the feeding sliding frame drives the feeding vertical arm to slide to the upper side of one feeding frame, then the feeding vertical arm slides along the vertical direction by the feeding clamping jaws, welding rods in the feeding clamping jaws fall to the upper side of one feeding frame, the welding rods are delivered by the feeding clamping jaws, the feeding of the welding rods can be realized, after the placement of the welding rods in the rear feeding frame is completed, the feeding sliding frame drives the feeding vertical arm to return to the conveying belt again and repeats the steps again, and the welding rods are clamped by the feeding clamping jaws and delivered to the other feeding frame, the welding rods in the two feeding racks can be fed continuously in sequence, and the filling of the welding rods in the feeding racks is guaranteed.

It is optional, the equal rigid coupling in both sides of feed supplement frame has the striker plate the same with feed supplement frame length direction, the length direction middle part rigid coupling of striker plate has photoelectric switch, be provided with on the chassis with chassis width direction the same and can promote feed supplement balladeur train reciprocating motion's feed supplement pusher jar one, the vertical feed supplement pusher jar two that can promote the vertical motion of feed supplement vertical arm that is provided with on the feed supplement balladeur train, be provided with the feed supplement pusher jar three that can promote the motion of feed supplement clamping jaw on the feed supplement xarm along its length direction, feed supplement pusher jar one, feed supplement pusher jar two, feed supplement pusher jar three and feed supplement clamping jaw are connected with a power module jointly, arbitrary photoelectric switch can realize the outage of power module when detecting the welding rod.

Through adopting above-mentioned technical scheme, in operation, along with the gradual increase of welding rod in two feed supplement framves, the welding rod will be along the feed supplement frame heap height that the slope set up gradually, and simultaneously, two striker plates will also all carry on spacingly to the both ends of welding rod, when the photoelectric switch at striker plate middle part can detect the welding rod in the increase of welding rod in arbitrary feed supplement frame, the outage of power module can all be controlled to the photoelectric switch ware, thereby make feed supplement pusher jar one, feed supplement pusher jar two, feed supplement pusher jar three and feed supplement clamping jaw lose the electricity stop motion, avoid the welding rod in the feed supplement frame too much, in time stop the feed supplement.

Optionally, the equal vertical rigid coupling of downside that the chassis corresponds the weighing device has the jar of lifting, the telescopic link that lifts the jar sets up and the rigid coupling has the arm of lifting the same with chassis width direction, the equal rigid coupling in both sides that the arm of lifting corresponds the weighing plate has the lifting frame, and two lifting frame upsides all are provided with accepts the groove, and the distance between two lifting frames is less than the length of welding rod.

Through adopting above-mentioned technical scheme, under the normality, the lift jar telescopic link will drive the lift arm and rise, thereby it rises to the upside in lifting groove to drive two lifting frame and is higher than the weighing plate, when the welding rod of getting along with reposition of redundant personnel clamping jaw clamp this moment falls to the weighing plate upside, will at first fall in two lifting frame accept the inslot, it reduces to the weighing plate to avoid the welding rod directly to fall, reduce the impact of welding rod symmetrical weight board, and through accepting the groove to welding rod arrangement, avoid the welding rod to scatter, then, along with the decline of lifting the jar, the welding rod will fall to on the weighing plate, weigh through the weigher, guarantee weighing accuracy of welding rod.

Optionally, the length direction middle part of chassis is provided with two and follows the frame of keeping in of chassis width direction range, and one side of keeping away from each other of two frames of keeping in all is provided with the clamping jaw of keeping in, the both sides of chassis all are provided with the switching-over slide that can follow chassis length direction reciprocating motion, and the switching-over arm that is connected with vertical setting is all rotated to one side that is close to each other of two switching-over slides, and the lower extreme of two switching-over arms all is provided with the switching-over clamping jaw that can press from both sides the welding rod clamp on weighing plate and send to in the clamping jaw of keeping in.

Through adopting above-mentioned technical scheme, in operation, after the welding rod accomplishes weighing on the weighing plate, the switching-over slide of homonymy tends the direction of weighing plate and slides, and simultaneously, can drive the switching-over arm and rotate, thereby make the switching-over clamping jaw rotate towards the direction of the weighing plate that corresponds, and the welding rod of weighing plate upside is held through the switching-over clamping jaw, then, the switching-over slide reverse motion, and simultaneously, the rotor arm drives the switching-over clamping jaw and rotates, until the switching-over slide shifts to the position of keeping in the frame, and simultaneously, the clamping jaw of keeping in of corresponding frame will also open, be convenient for the welding rod in the switching-over clamping jaw to insert and locate in the clamping jaw of keeping in, then, the clamping jaw centre gripping welding rod of keeping in, the switching-over slide drives the switching-over clamping jaw and withdraws from the weighing plate of welding rod, be convenient for follow-up weighing, and realize the switching-over of welding rod, be convenient for weigh and accomplish taking out of weighing.

Optionally, a discharging frame which is the same as the length direction of the bottom frame is arranged at one end, away from the conveying belt, of the bottom frame; the both sides of chassis all are provided with the ejection of compact slide that can follow chassis length direction motion, two ejection of compact slide is close to the equal vertical ejection of compact balladeur train that can move towards being close to each other or keeping away from the direction motion in one side each other, all is provided with the ejection of compact that can follow vertical direction motion on the ejection of compact balladeur train and founds the arm, the lower extreme that the arm was found in the ejection of compact all is provided with the ejection of compact clamping jaw that can press from both sides and get in the clamping jaw of keeping in and send to the ejection of compact clamping jaw in the ejection of compact frame.

By adopting the technical scheme, after welding rods are fed into the temporary storage clamping jaw, any discharge slide seat slides to the position of the temporary storage frame, the discharge vertical arm is driven by the discharge slide seat to move towards the direction of the temporary storage clamping jaw, meanwhile, the discharge vertical arm vertically moves to adjust the discharge clamping jaw, so that the discharge clamping jaw clamps the welding rods in the temporary storage clamping jaw, then, the temporary storage clamping jaw is loosened, the discharge slide seat drives the discharge vertical arm to slide and push out the position of the temporary storage frame, then, the discharge vertical arm is driven by the discharge slide seat to slide, the discharge vertical arm drives the discharge clamping jaw to slide, the position of the discharge clamping jaw is adjusted, so that the welding rods in the discharge clamping jaw are fed into the discharge frame, then, the discharge slide seat is reset, the discharge of the welding rods is realized, after the discharge of the welding rods in the discharge frame is finished, another discharge slide seat can also repeat the supplement and take out the welding rods in the temporary storage clamping jaw at the corresponding side of the discharge slide seat and feed the welding rods into the discharge frame to wait for discharge, the continuous discharging of the welding rod is realized by the sequential and cyclic reciprocating.

Optionally, a push plate capable of sliding along the reciprocating direction of the discharge frame is arranged in the discharge frame, and a material pushing cylinder capable of pushing the push plate to slide in the reciprocating direction is fixedly connected to one side of the discharge frame.

Through adopting above-mentioned technical scheme, after the welding rod fell to the play work or material rest in, the material pushing cylinder drives the telescopic link and slides, can release the welding rod in the push pedal to realize the ejection of compact of welding rod.

Optionally, a packaging box with an open upper side is placed in the discharging frame.

Through adopting above-mentioned technical scheme, place the packing carton in the play work or material rest, can make the welding rod that ejection of compact clamping jaw got directly fall to in the packing carton to directly realize the dress box ejection of compact of welding rod.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the welding rod weighing machine works, welding rods are placed on the upper side of the conveying belt along the conveying direction perpendicular to the conveying belt, meanwhile, a shunting frame drives a shunting arm to move to the position of the conveying belt, the shunting arm drives a hook claw to descend to hook a proper number of welding rods, the shunting arm drives the hook claw to hook the welding rods to ascend, then, the shunting frame drives the shunting arm to move to the upper side of the weighing plate, the welding rods are placed on the upper side of the weighing plate through the hook claw to be weighed, when the weight of the weighing welding rods is lower, material supplement can be carried out through a material supplement component on the same side, the welding rods can be directly taken away from the weighing plate to wait for weighing at the lower side after weighing is completed, when the shunting frame drives the shunting arm to slide to hook the welding rods through the hook claw and be conveyed to a weighing device on the corresponding side, the other shunting frame also drives the other shunting arm to slide to hook the welding rods through the other hook claw to be conveyed to the weighing device on the corresponding side to be weighed, and the operation is repeated in a circulating mode in turn, continuous automatic weighing of the welding rod is realized;

2. when the materials are needed to be supplemented in the two material supplementing frames, the material supplementing vertical arm is driven to slide to the upper side of the conveying belt through the material supplementing sliding frame, then the material supplementing vertical arm slides along the vertical direction, the material supplementing cross arm is driven to slide along the length direction of the material supplementing cross arm through the material supplementing clamping jaws, the welding rods on the upper side of the conveying belt can be clamped through the material supplementing clamping jaws by adjusting the position of the material supplementing clamping jaws, then the rear material supplementing vertical arm rises along the vertical direction, meanwhile, the material supplementing sliding frame drives the material supplementing vertical arm to slide to the upper side of one material supplementing frame, then, the material supplementing vertical arm slides along the vertical direction through the material supplementing vertical arm, the welding rods in the material supplementing clamping jaws fall to the upper side of one material supplementing frame, the welding rods are fed through the material supplementing clamping jaws, the material supplementing can be supplemented, after the welding rods in the rear material supplementing frame are placed, the material supplementing sliding frame drives the material supplementing arm to return to the conveying belt again, the steps are repeated again, and the welding rods are clamped through the material supplementing clamping jaws and then fed into the other material supplementing frame, the welding rods in the two feeding racks can be fed continuously in sequence, and the filling of the welding rods in the feeding racks is ensured;

3. during operation, after the welding rod accomplishes weighing on the weighing plate, the switching-over slide of homonymy trends the direction of weighing plate and slides, and simultaneously, can drive the switching-over arm and rotate, thereby make the switching-over clamping jaw rotate towards the direction of the weighing plate that corresponds, and the welding rod of weighing plate upside is held through the switching-over clamping jaw, then, switching-over slide reverse motion, and simultaneously, the rotor arm drives the switching-over clamping jaw and rotates, until the switching-over slide shifts to the position of keeping in the frame, and simultaneously, the clamping jaw that keeps in that corresponds the frame also will open, the welding rod in the switching-over clamping jaw of being convenient for is inserted and is located the clamping jaw of keeping in, then, the clamping jaw centre gripping welding rod of keeping in, the switching-over slide drives the switching-over clamping jaw and withdraws from of weighing plate, be convenient for follow-up weighing of welding rod, be convenient for weigh and accomplish taking out of welding rod.

Drawings

FIG. 1 is a schematic view of the overall structure of an automatic weighing and step packaging production line for welding rods according to an embodiment of the present application;

FIG. 2 is a schematic view of a feeding assembly of an automatic weighing and step packaging line for welding rods according to a first embodiment;

FIG. 3 is an enlarged schematic view of section A of FIG. 1;

FIG. 4 is a schematic structural view of a receiving rack of an automatic weighing and step-by-step packaging production line for welding rods according to an embodiment;

FIG. 5 is an enlarged schematic view of section B of FIG. 4;

FIG. 6 is a schematic structural diagram of a discharging assembly of an automatic weighing and step packaging line for welding rods according to a first embodiment;

FIG. 7 is a schematic structural view of a discharge assembly of the automatic weighing and step packaging line for welding rods according to the second embodiment;

FIG. 8 is a schematic diagram of a push plate structure of an automatic weighing and step-by-step packaging line for welding rods according to a second embodiment.

Description of reference numerals: 1. a chassis; 11. a support frame; 12. a receiving frame; 2. a feeding assembly; 21. a conveyor belt; 22. a first servo motor; 3. a feed supplement assembly; 31. a material supplementing frame; 32. a striker plate; 321. a photoelectric switch; 33. a material supplementing wheel; 331. a material supplementing groove; 332. a servo motor II; 4. a feeding carriage; 41. feeding a material pushing cylinder I; 411. feeding material to a vertical arm; 42. a second material supplementing push cylinder; 43. a feed supplementing cross arm; 44. feeding clamping jaws; 45. feeding a material pushing cylinder III; 5. a weighing assembly; 51. a weighing device; 511. a weighing plate; 52. a lifting cylinder; 53. a lifting arm; 54. a lifting frame; 6. a shunt frame; 61. a first shunting pushing cylinder; 62. a shunt arm; 63. a second shunting push cylinder; 64. a rotating shaft; 641. hooking claws; 642. a gear; 65. a reciprocating cylinder; 651. a rack; 7. a commutation assembly; 71. a temporary storage rack; 72. temporarily storing the clamping jaw; 73. a reversing slide carriage; 74. reversing and pushing the cylinder; 75. a reversing arm; 76. a reciprocating motor; 77. a reversing clamping jaw; 8. a discharge assembly; 81. a discharging slide seat; 811. a cross beam; 82. a first discharging pushing cylinder; 83. a discharge carriage; 831. a discharging pushing cylinder II; 84. a discharging vertical arm; 841. a third discharging pushing cylinder; 85. a discharging clamping jaw; 86. a discharging frame; 87. a limiting plate; 88. pushing the plate; 881. a movable plate; 882. a material pushing plate; 883. a vertical baffle plate; 89. a material pushing cylinder; 9. a discharging table; 91. a conveyor belt; 92. positioning a plate; 93. a push cylinder; 94. a push plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses welding rod automatic weighing step-by-step packaging production line.

The first embodiment is as follows: referring to fig. 1 and 2, a welding rod automatic weighing step-by-step packaging production line comprises a bottom frame 1, wherein a feeding assembly 2 is arranged at one end of the bottom frame 1, the feeding assembly 2 comprises two parallel conveying belts 21, the length directions of the two conveying belts 21 are the same as that of the bottom frame 1, the distance between the two vertical conveying belts is smaller than the length of a welding rod, and a servo motor I22 for driving the two conveying belts 21 of the conveying belts 21 to synchronously move is arranged on the two conveying belts 21. When the welding rod conveying device works, welding rods are arranged on the upper sides of the two conveying belts 21, and the length direction of the welding rods is perpendicular to the length direction of the two conveying belts 21, so that the welding rods can be conveyed through the continuous rotation of the two conveying belts 21.

Referring to fig. 1 and 2, the two sides of the bottom frame 1 corresponding to the feeding assembly 2 are fixedly connected with the supporting frames 11, one sides of the two supporting frames 11 close to each other are provided with the feeding assembly 3, the feeding assembly 3 comprises feeding frames 31 respectively fixedly connected to the supporting frames 11, the length directions of the two feeding frames 31 are the same as the length direction of the bottom frame 1, and one ends of the two feeding frames 31 close to the discharge of the conveyer belt 21 are obliquely arranged downwards. Both sides of the material supplementing frame 31 are fixedly connected with material blocking plates 32 along the length direction of the material supplementing frame, the lower end of the material supplementing frame 31 is rotatably connected with material supplementing wheels 33, the axis direction of each material supplementing wheel 33 is perpendicular to the length direction of the material supplementing frame 31, and the middle of the periphery of each material supplementing wheel 33, which is close to one side of the material supplementing frame 31, can abut against the lower end of the material supplementing frame 31. The circumferential surface of the material supplementing wheel 33 is uniformly provided with a plurality of material supplementing grooves 331 by taking the axis of the material supplementing wheel as the center, the length directions of the material supplementing grooves 331 are the same as the axis direction of the material supplementing wheel 33, and one end of the material supplementing frame 31 corresponding to each material supplementing wheel 33 is fixedly connected with a second servo motor 332 capable of driving the material supplementing wheel 33 to rotate.

During the use, arrange the welding rod in the material supplementing frame 31 along the length direction of perpendicular to material supplementing frame 31, can carry on spacingly to the welding rod through the striker plate 32 of material supplementing frame 31 both sides, the slope sets up through the material supplementing frame 31 that sets up, the welding rod in the material supplementing frame 31 all can be through its dead weight butt in the global of material supplementing wheel 33, when needs material supplementing, servo motor two 332 drives material supplementing wheel 33 and rotates, along with the rotation of material supplementing wheel 33, the welding rod that falls into the global material supplementing groove 331 of material supplementing wheel 33 will be along with the rotation of material supplementing wheel 33, promote on material supplementing frame 31, and send out along with the rotation of material supplementing wheel 33 and fall down in the one side that material supplementing wheel 33 kept away from material supplementing frame 31.

Referring to fig. 1 and 3, the upper sides of the two support frames 11 are fixedly connected with a horizontally arranged receiving frame 12, the length direction of the receiving frame 12 is perpendicular to the length direction of the base frame 1, a material supplementing sliding frame 4 is vertically arranged at the higher end of the receiving frame 12 close to the material supplementing frame 31, the material supplementing sliding frame 4 is connected to the receiving frame 12 in a sliding manner along the length direction of the receiving frame 12, one side of the receiving frame 12 close to the material supplementing sliding frame 4 is fixedly connected with a material supplementing push cylinder 411, the length direction of the material supplementing push cylinder 411 is the same as the length direction of the receiving frame 12, and the telescopic rod of the material supplementing push cylinder 411 is fixedly connected to the material supplementing sliding frame 4. During operation, the first feeding push cylinder 411 drives the telescopic rod to stretch and can drive the feeding sliding frame 4 to slide back and forth along the length direction of the bearing frame 12.

Referring to fig. 1 and 3, a feeding vertical arm 41 is vertically connected to the feeding carriage 4 in a sliding manner, a feeding push cylinder two 42 is vertically and fixedly connected to one side of the feeding carriage 4 corresponding to the feeding vertical arm 41, an expansion link of the feeding push cylinder two 42 is fixedly connected to one side of the feeding vertical arm 41, a horizontally arranged feeding cross arm 43 is fixedly connected to one side of the feeding carriage 41 away from the feeding carriage 4, the length direction of the feeding cross arm 43 is the same as the length direction of the movable frame, a feeding clamping jaw 44 with an opening facing downward is connected to the lower side of the feeding cross arm 43 in a sliding manner along the length direction, a feeding push cylinder three 45 with the same length direction as the feeding cross arm 43 is fixedly connected to one end of the feeding cross arm 43, the feeding clamping jaw 44 can be an electromechanical clamping jaw, one end of the feeding push cylinder three 45 is fixedly connected to the feeding clamping jaw 44, and the feeding clamping jaw 44 can clamp the welding rod on the conveying belt 21 and sequentially and reciprocally convey to the upper sides of the two feeding frames 31.

During operation, the first feeding push cylinder 411 drives the feeding sliding frame 4 to move to the upper side of the position between the two conveyor belts 21, meanwhile, the second feeding push cylinder 42 drives the feeding vertical arm 41 to move downwards along the vertical direction, then the third feeding push cylinder 45 drives the feeding clamping jaws 44 to slide and adjust the position, so that the feeding clamping jaws 44 extend to the position between the two conveyor belts 21 and clamp the welding rods conveyed on the two conveyor belts 21, then the second feeding push cylinder 42 drives the feeding vertical arm 41 to move along the vertical direction to lift the feeding clamping jaws 44, the first feeding push cylinder 411 drives the feeding sliding frame 4 to slide, the position of the feeding vertical arm 41 is adjusted, so that the feeding clamping jaws 44 move to the upper side of the feeding frame 31, meanwhile, the second feeding push cylinder 42 drives the feeding vertical arm 41 to move, so that the welding rods clamped by the feeding clamping jaws 44 fall onto the feeding frame 31, the feeding clamping jaws 44 can loosen the welding rods, and complete the supplement of the welding rods on the feeding frame 31 on one side, then, the feeding vertical arm 41 and the feeding cross arm 43 are reset to drive the feeding clamping jaw 44 to clamp the welding rod on the upper side of the conveying belt 21 again, and the welding rod is conveyed to the upper side of the other feeding frame 31 again, so that the welding rod on the other feeding frame 31 can be supplemented, and the welding rod feeding on the two feeding frames 31 can be realized through the reciprocating circulation.

Referring to fig. 2, a photoelectric switch 321 is fixedly connected to the upper side of the middle portion of the material baffle plate 32 on one side of each material supplementing frame 31, and the first material supplementing push cylinder 411, the second material supplementing push cylinder 42, the third material supplementing push cylinder 45 and the material supplementing clamping jaw 44 are commonly connected to a power supply module. When any one of the photoelectric switches 321 detects a welding rod, the photoelectric switch 321 can control the power-off of the power supply module, so that the first feeding push cylinder 411, the second feeding push cylinder 42, the third feeding push cylinder 45 and the feeding clamping jaw 44 are powered off. Therefore, when the feeding device works, the excessive quantity of welding rods in the feeding frame 31 is avoided, and feeding can be stopped in time.

Referring to fig. 2 and 4, the weighing assembly 5 is disposed on the side of the chassis 1 corresponding to the two feeding wheels 33 far away from the feeding frame 31, the weighing assembly 5 includes weighing devices 51 respectively and fixedly connected to the two feeding wheels 33 far away from the feeding frame 31, and a horizontally disposed weighing plate 511 is fixedly connected to the upper side of the weighing devices 51. The weighing assembly 5 further comprises lifting cylinders 52 which are respectively vertically fixedly connected to the underframe 1 and located on the lower side of the weighing device 51, telescopic rods of the lifting cylinders 52 are upwards arranged and fixedly connected with lifting arms 53, the length direction of the lifting arms 53 is the same as the width direction of the underframe 1, lifting frames 54 are fixedly connected to two sides of the lifting arms 53 corresponding to the weighing plates 511, the distance between the lifting frames 54 on two sides of each weighing plate 511 is smaller than the length of a welding rod, and inverted trapezoidal bearing grooves are formed in the upper sides of the lifting frames 54.

Referring to fig. 4 and 5, one side of the receiving frame 12, which is away from the feeding sliding frame 4, is connected with two shunting frames 6 in a sliding manner along the length direction of the receiving frame 12, two ends of the receiving frame 12 are fixedly connected with a first shunting pushing cylinder 61 with the same axis direction as the length direction of the receiving frame 12, telescopic rods of the first shunting pushing cylinders 61 are respectively and fixedly connected to the two shunting frames 6, one side of the two shunting frames 6, which is away from the receiving frame 12, is vertically and slidably connected with a shunting arm 62, one side of the shunting frame 6, which corresponds to the shunting arm 62, is vertically and fixedly connected with a second shunting pushing cylinder 63, and telescopic rods of the second shunting pushing cylinders 63 are fixedly connected to one side of the shunting arm 62. The rotating shafts 64 having the same axial direction as the width direction of the base frame 1 are rotatably connected to the lower sides of the diversion arms 62, and the length of each rotating shaft 64 is smaller than the width between the two conveyor belts 21. The two ends of the rotating shaft 64 are fixedly connected with vertically arranged hook claws 641, the opening of the hook claws 641 faces the bearing frame 12, the middle part of the rotating shaft 64 is connected with a gear 642, the flow dividing arm 62 is vertically and fixedly connected with a reciprocating cylinder 65, and the telescopic rod of the reciprocating cylinder 65 is fixedly connected with a vertically arranged rack 651 meshed with the gear 642.

When the welding rod lifting device works, a shunting push cylinder I61 drives a shunting frame 6 to slide to a position between two conveying belts 21, then a shunting push cylinder II 63 drives a shunting arm 62 to descend so that two hook claws 641 at the lower end of the shunting arm 62 fall between the two conveying belts 21, then welding rods can be conveyed to the positions of the hook claws 641 along with the conveying of the conveying belts 21 so that the welding rods fall in the hook claws 641, after the collection of the welding rods in the hook claws 641 is finished, the shunting push cylinder II 63 correspondingly drives the shunting arm 62 to ascend so as to drive the welding rods to ascend through the hook claws 641, then the corresponding shunting push cylinder I61 drives the shunting arm 62 to move to the upper side of a weighing device 51 at the corresponding side so that the two hook claws 641 are respectively positioned between the weighing plate 511 and the lifting frame 54, then the shunting push cylinder II 63 drives the shunting arm 62 to move in the vertical direction so that the hook claws 641 fall, so that the welding rods completely fall in the receiving grooves of the two lifting frames 54, then, the reciprocating cylinder 65 drives the rack 651 to move vertically, so as to drive the gear 642 to rotate, and drive the rotating shaft 64 to rotate, so as to drive the two hooks 641 to rotate in a direction away from the receiving frame 12, so as to separate the welding rods from the hooks 641, and then the lifting cylinder 52 drives the telescopic rod to retract, so that the lifting arm 53 drives the two lifting frames 54 to move downwards, so as to drive the welding rods to fall completely onto the weighing plate 511, so as to weigh the welding rods through the weighing plate 511;

when the number of the weighing welding rods is small, the feeding wheel 33 rotates to feed the single welding rod to the weighing plate 511, so that the feeding of the welding rods is realized, and then the shunting arm 62 and the hook claw 641 reset to wait for the lower side to grab the welding rod. Meanwhile, when one hook claw 641 hooks the welding rod to move towards the weighing device 51 on one side, the other hook claw 641 also moves towards the two conveying belts 21, the action of the previous hook claw 641 is repeated, the welding rod is hooked and returned to the upper side of the weighing device 51 on the corresponding side, and the weighing of the welding rod is also realized, so that the welding rod is sequentially and continuously weighed.

Referring to fig. 1 and 6, one side of the chassis 1 corresponding to the weighing component 5 far from the feeding component 2 is provided with a reversing component 7, the reversing component 7 comprises two temporary storage frames 71 fixedly connected to the middle of the chassis 1, the length directions of the two temporary storage frames 71 are the same as the length direction of the chassis 1, the two temporary storage frames 71 are arranged along the width direction of the chassis 1, one side of each temporary storage frame 71 far away from each other is fixedly connected with a temporary storage clamping jaw 72, the temporary storage clamping jaw 72 is an electric mechanical clamping jaw, and the opening directions of the two temporary storage clamping jaws 72 are towards one side far away from each other. The two sides of the underframe 1 are respectively provided with a reversing slide carriage 73 connected to the underframe 1 in a sliding manner along the length direction of the underframe 1, one side of the underframe 1 corresponding to the reversing slide carriage 73 is fixedly connected with a reversing push cylinder 74, the axial direction of the reversing push cylinder 74 is the same as the length direction of the underframe 1, telescopic rods of the reversing push cylinder 74 are fixedly connected to the corresponding reversing slide carriage 73, one side of the two reversing slide carriages 73 close to each other is rotatably connected with a vertically arranged reversing arm 75, the upper ends of the two reversing slide carriages 73 corresponding to the reversing arm 75 are respectively fixedly connected with a reciprocating motor 76 capable of driving the reversing arm 75 to rotate, the lower ends of the two reversing arms 75 are respectively fixedly connected with a reversing clamping jaw 77, the reversing clamping jaws 77 are electromechanical clamping jaws, and the openings of the reversing clamping jaws 77 of the two reversing arms 75 face one side close to each other.

After the welding rods on the weighing device 51 are weighed, the reversing pushing cylinder 74 on the corresponding side drives the telescopic rod to stretch and retract to drive the reversing slide carriage 73 to move towards the direction of the weighing device 51, meanwhile, the reciprocating motor 76 drives the reversing arm 75 to rotate towards the direction of the weighing device 51, so that the reversing clamping jaw 77 finishes clamping the welding rods on the corresponding weighing device 51, then, the reversing pushing cylinder 74 drives the telescopic rod to stretch and retract to drive the reversing slide carriage 73 to move towards the direction away from the weighing device 51, meanwhile, the reciprocating motor 76 drives the rotating arm to rotate and reset, when the reversing slide carriage 73 moves to the position of the temporary storage frame 71, the reversing clamping jaw 77 stops moving along with the rotation of the reversing arm 75 towards the temporary storage clamping jaw 72 on the corresponding side, meanwhile, the temporary storage clamping jaw 72 is opened, so that the welding rods in the reversing clamping jaw 77 can be inserted into the temporary storage clamping jaw 72, then, the temporary storage clamping jaw 72 is closed to clamp the welding rods, and the reversing clamping jaw 77 is opened and withdrawn, the welding rod can be reversed, so that the welding rod with the length direction vertical to the bottom frame 1 rotates to the length direction which is the same as the length direction of the bottom frame 1.

Referring to fig. 6, a discharging assembly 8 is disposed on one side of the chassis 1 away from the weighing assembly corresponding to the reversing assembly 7, the discharging assembly 8 includes discharging slide carriages 81 slidably connected to both sides of the chassis 1 along the length direction of the chassis 1, a discharging push cylinder 82 is fixedly connected to one side of the chassis 1 corresponding to the discharging slide carriages 81, the axial direction of the discharging push cylinder 82 is the same as the length direction of the chassis 1, a horizontally disposed cross beam 811 is fixedly connected to one side of the upper end of the discharging slide carriage 81 facing to each other, a discharging carriage 83 is slidably connected to one side of the cross beam 811 along the length direction thereof, a discharging push cylinder two 831 having the same length direction as the cross beam 811 is fixedly connected to one end of the cross beam 811, a telescopic rod of the discharging push cylinder two 831 is fixedly connected to the discharging carriage 83, a discharging upright arm 84 is vertically slidably connected to the discharging carriage 83, a discharging push cylinder three 841 is also vertically fixedly connected to the discharging carriage 83, and a telescopic rod of the discharging push cylinder three 841 is fixedly connected to the discharging upright arm 84, the lower end of the discharging vertical arm 84 is fixedly connected with a discharging clamping jaw 85 with a downward opening, and the discharging clamping jaw 85 is an electric mechanical clamping jaw.

Referring to fig. 6, the vertical rigid coupling in one end middle part that conveyer belt 21 was kept away from to chassis 1 has ejection of compact frame 86, the length direction that goes out ejection of compact frame 86 is the same with chassis 1's length direction, the equal vertical rigid coupling in both sides that goes out ejection of compact frame 86 has length direction and the same limiting plate 87 of ejection of compact frame 86 length direction, the interior vertical push pedal 88 that is provided with of ejection of compact frame 86, limiting plate 87 is extended to one side of push pedal 88, it has material pushing cylinder 89 to go back the rigid coupling on ejection of compact frame 86, material pushing cylinder 89's length direction is the same with the length direction that goes out ejection of compact frame 86, material pushing cylinder 89's telescopic link rigid coupling extends one side of limiting plate 87 in push pedal 88.

When the welding rod lifting device works, the telescopic rod of the first discharging pushing cylinder 82 stretches and retracts to drive the discharging sliding seat 81 to move along the direction that the underframe 1 tends to the temporary storage rack 71, meanwhile, the second discharging pushing cylinder 831 and the third discharging pushing cylinder 841 drive the discharging sliding seat 83 and the discharging upright arm 84 to slide, the position of the discharging clamping jaw 85 is adjusted, when the discharging sliding seat 81 drives the discharging clamping jaw 85 to move to the position of the transfer storage rack, the welding rod on the temporary storage clamping jaw 72 is clamped by the discharging clamping jaw 85, then the temporary storage clamping jaw 72 loosens the clamping jaw, the welding rod is driven by the discharging clamping jaw 85 to exit the temporary storage clamping jaw 72, then, the first discharging pushing cylinder 82 drives the discharging sliding seat 81 to move towards the direction of the discharging rack 86, the discharging sliding seat 83 is driven by the second discharging pushing cylinder 831 to slide along the cross beam 811, the second discharging pushing cylinder 831 drives the discharging upright arm 84 to slide along the vertical direction until the discharging clamping jaw 85 is positioned at the upper side of the discharging rack 86, then, the discharging clamping jaw 85 loosens to make the welding rod fall on the upper side of the discharging rack 86, finally, the pushing plate is driven by the material pushing cylinder 89 to slide along the discharging frame 86, so that the completely-finished welding rods can be pushed out and directly sent to a packaging machine for boxing and packaging; after one discharging pushing cylinder 82 drives one sliding seat to clamp the welding rod, the other discharging pushing cylinder 82 also drives the other discharging sliding seat 81 to clamp the welding rod through the discharging clamping jaw 85, after the pushing plate 88 pushes out and resets the welding rod clamped by the previous discharging clamping jaw 85, the other discharging clamping jaw 85 also sends the welding rod into the discharging frame 86, and when the pushing plate 88 is pushed out, the other discharging pushing cylinder 82 resets again, if the secondary circulation is repeated, the two discharging clamping jaws 85 continuously clamp the welding rod on the corresponding side and sequentially send the welding rod to the discharging frame 86 for discharging.

In addition, the welding rod packaging box with an open upper side can be directly arranged on the upper side of the discharging frame, so that the welding rods falling into the discharging section frame can directly fall into the packaging box, and then the welding rods can be removed along with the old side

The implementation principle of the welding rod automatic weighing stepping packaging production line is as follows:

when the welding rod conveying device works, welding rods are arranged on the upper sides of the two conveying belts 21, and the length direction of the welding rods is perpendicular to the length direction of the two conveying belts 21, so that the welding rods can be conveyed through the continuous rotation of the two conveying belts 21;

and a shunting push cylinder 61 drives a shunting frame 6 to slide to a position between two conveyor belts 21, then a shunting push cylinder 63 drives a shunting arm 62 to descend, so that two hook claws 641 at the lower ends of the shunting arms 62 fall between the two conveyor belts 21, then welding rods can be conveyed to the positions of the hook claws 641 along with the conveying of the conveyor belts 21, so that the welding rods fall in the hook claws 641, after the collection of welding rods in the hook claws 641 is finished, the corresponding shunting push cylinder 63 drives the shunting arm 62 to ascend, so that the welding rods are driven to ascend through the hook claws, then the corresponding shunting push cylinder 61 drives the shunting arm 62 to move to the upper side of the weighing device 51 at the corresponding side, so that the two hook claws 641 are respectively positioned between the weighing plate 511 and the lifting frame 54, then the shunting push cylinder 63 drives the shunting arm 62 to move in the vertical direction, so that the hook claws fall, so that the welding rods completely fall in the receiving grooves of the two lifting frames 54, and then, the reciprocating cylinder 65 drives the rack 651 to move vertically, so as to drive the gear 642 to rotate, and drive the rotating shaft 64 to rotate, so as to drive the two hook claws 641 to rotate in a direction away from the receiving frame 12, so as to separate the welding rods from the hook claws 641, and then the lifting cylinder 52 drives the telescopic rod to retract, so that the lifting arms 53 drive the two lifting frames 54 to move downwards, so as to drive the welding rods to fall on the weighing plate 511 completely, and thus the welding rods can be weighed by the weighing plate 511;

when the number of the weighing welding rods is small, the feeding wheel 33 rotates to feed the single welding rod to the weighing plate 511, so that the feeding of the welding rods is realized, and then the shunting arm 62 and the hook claw 641 reset to wait for the lower side to grab the welding rod. Meanwhile, when one hook claw 641 hooks the welding rod to move towards the direction of the weighing device 51 on one side, the other hook claw 641 also moves towards the direction of the two conveying belts 21, the action of the previous hook claw 641 is repeated, the welding rod is hooked and returned to the upper side of the weighing device 51 on the corresponding side, and the weighing of the welding rod is also realized, so that the welding rod is sequentially and continuously weighed;

after the welding rods on the weighing device 51 are weighed, the reversing pushing cylinder 74 on the corresponding side drives the telescopic rod to stretch and retract to drive the reversing slide carriage 73 to move towards the direction of the weighing device 51, meanwhile, the reciprocating motor 76 drives the reversing arm 75 to rotate towards the direction of the weighing device 51, so that the reversing clamping jaw 77 finishes clamping the welding rods on the corresponding weighing device 51, then, the reversing pushing cylinder 74 drives the telescopic rod to stretch and retract to drive the reversing slide carriage 73 to move towards the direction away from the weighing device 51, meanwhile, the reciprocating motor 76 drives the rotating arm to rotate and reset, when the reversing slide carriage 73 moves to the position of the temporary storage frame 71, the reversing clamping jaw 77 stops moving along with the rotation of the reversing arm 75 towards the temporary storage clamping jaw 72 on the corresponding side, meanwhile, the temporary storage clamping jaw 72 is opened, so that the welding rods in the reversing clamping jaw 77 can be inserted into the temporary storage clamping jaw 72, then, the temporary storage clamping jaw 72 is closed to clamp the welding rods, and the reversing clamping jaw 77 is opened and withdrawn, the reversing of the welding rod can be realized, so that the welding rod with the length direction vertical to the bottom frame 1 rotates to the length direction which is the same as the length direction of the bottom frame 1;

a first discharging pushing cylinder 82, a telescopic rod of which stretches and retracts to drive a discharging sliding seat 81 to move along the direction of the underframe 1 approaching to the temporary storage rack 71, meanwhile, a second discharging pushing cylinder 831 and a third discharging pushing cylinder 841 drive a discharging sliding frame 83 and a vertical discharging arm 84 to slide, the position of a discharging clamping jaw 85 is adjusted, when the discharging sliding seat 81 drives the discharging clamping jaw 85 to move to the position of the transfer storage rack, the welding rod on the temporary storage clamping jaw 72 is clamped by the discharging clamping jaw 85, then the temporary storage clamping jaw 72 loosens the clamping jaw, the welding rod is driven by the discharging clamping jaw 85 to exit from the temporary storage clamping jaw 72, then, the first discharging pushing cylinder 82 drives the discharging sliding seat 81 to move towards the direction of the discharging rack 86, the second discharging pushing cylinder 831 drives the discharging sliding frame 83 to slide along the cross beam 811, the second discharging pushing cylinder 831 drives the vertical discharging arm 84 to slide along the vertical direction until the discharging clamping jaw 85 is positioned at the upper side of the discharging rack 86, then the discharging clamping jaw 85 loosens the clamping jaw 85 to make the welding rod fall on the upper side of the discharging rack 86, finally, the pushing plate is driven by the material pushing cylinder 89 to slide along the discharging frame 86, so that the completely-finished welding rods can be pushed out and directly sent to a packaging machine for boxing and packaging;

after one discharging pushing cylinder 82 drives one sliding seat to clamp the welding rod, the other discharging pushing cylinder 82 also drives the other discharging sliding seat 81 to clamp the welding rod through the discharging clamping jaw 85, after the pushing plate 88 pushes out and resets the welding rod clamped by the previous discharging clamping jaw 85, the other discharging clamping jaw 85 also sends the welding rod into the discharging frame 86, and when the pushing plate 88 is pushed out, the other discharging pushing cylinder 82 resets again, if the secondary circulation is repeated, the two discharging clamping jaws 85 continuously clamp the welding rod on the corresponding side and sequentially send the welding rod to the discharging frame 86 for discharging.

Example two: referring to fig. 7 and 8, an automatic weighing and stepping packaging production line for welding rods is different from the embodiment in that:

the push plate 88 comprises a movable plate 881 located on the upper side of the limiting plate 87 and a material pushing plate 882 hinged to the lower side of the movable plate 881 and extending between the two limiting plates 87, the rotation axis 64 line of the material pushing plate 882 is the same as the width direction of the material discharging frame 86, one end of the movable plate 881 corresponding to the material pushing plate 882 close to the temporary storage frame 71 is fixedly connected with a vertical baffle 883, the vertical baffle 883 can limit the material pushing plate 882 to swing only in the direction far away from the temporary storage frame 71, and an expansion link of the material pushing cylinder 89 is fixedly connected to one end of the movable plate 881.

One end rigid coupling that goes out work or material rest 86 is close to temporary storage frame 71 has the ejection of compact platform 9 that is in the coplanar with ejection of compact frame 86 upside, 9 upsides of the ejection of compact platform are provided with direction of transfer perpendicular to ejection of compact frame 86 length direction's conveyer belt 91, the one end rigid coupling of conveyer belt 91 has locating plate 92, can arrange the packing carton of placing the uncovered setting of upside on the conveyer belt 91, the length direction of packing carton is the same with ejection of compact frame 86 length direction, one side rigid coupling that ejection of compact platform 9 corresponds conveyer belt 21 and keeps away from ejection of compact frame 86 has propelling movement jar 93. The length direction of the pushing cylinder 93 is the same as the length direction of the discharging frame 86, and the telescopic rod of the pushing cylinder 93 faces the conveyor belt 91 and is fixedly connected with a pushing plate 94.

Compared with the first embodiment, the advantages are that: in operation, after the packaging boxes are sequentially arranged on the conveyor belt 91, the packaging boxes can be conveyed to the rear side of the discharging frame 86 through the conveyor belt 91, then the pushing cylinder 93 drives the telescopic rod to extend, the packaging boxes on the upper side of the conveyor belt 91 can be pushed to the discharging frame 86, and the pushing plate 882 can tend to rotate in the direction away from the temporary storage frame 71, so that the packaging boxes can push the pushing plate 882 to swing, the packaging boxes are arranged in the discharging frame 86, after the bag packaging boxes are completely arranged in the discharging frame 86, the pushing plate 94 resets, the swinging plate swings to the vertical state again, then the welding rods clamped by the discharging clamping jaw 85 can directly fall into the packaging boxes in the discharging frame 86, the boxing of the welding rods is realized, then the pushing cylinder 89 drives the movable plate 881, due to the effect of the vertical baffle 883, the pushing plate 882 can synchronously move along with the movable plate 881, and the welding rods packed in the box can be directly pushed out of the discharging frame 86, the continuous boxing and discharging of the welding rods can be realized by the reciprocating circulation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a welding rod automatic weighing step-by-step packaging production line which characterized in that: including chassis (1), the one end of chassis (1) is provided with conveyer belt (21) the same with chassis (1) length direction, the both sides that chassis (1) corresponds conveyer belt (21) discharge end all are provided with weighing device (51), and the equal level of upside of weighing device (51) is provided with weighing plate (511), the upside that chassis (1) corresponds two weighing device (51) all is provided with shunting frame (6) that can follow chassis (1) width direction reciprocating motion, all be provided with on shunting frame (6) shunt arm (62) that can vertical motion, the downside of shunt arm (62) all is provided with claw (641) of colluding that can collude or loosen the welding rod, the position that chassis (1) corresponds both sides weighing device (51) of conveyer belt (21) all is provided with feed supplement subassembly (3) that can feed supplement on weighing plate (511).

2. The automatic weighing and stepping packaging production line for welding rods as claimed in claim 1, characterized in that: the material supplementing assembly (3) comprises a material supplementing frame (31) with the length direction being the same as that of the conveying belt (21), one end, close to the weighing device (51), of the material supplementing frame (31) is inclined downwards, a material supplementing wheel (33) with the axis direction being the same as that of the chassis (1) in the width direction is connected to the lower end of the material supplementing frame (31) in a rotating mode, a material supplementing groove (331) is formed in the peripheral surface of the material supplementing wheel (33) and rotates along with the material supplementing wheel (33), welding rods in the material supplementing frame (31) can fall into the material supplementing groove (331), and the welding rods in the material supplementing groove (331) can rotate along with the material supplementing wheel (33) and are conveyed to the upper side of the weighing plate (511).

3. The automatic weighing and stepping packaging production line for welding rods as claimed in claim 2, characterized in that: the feed supplementing device is characterized in that a feed supplementing sliding frame (4) capable of reciprocating along the width direction of the chassis (1) is arranged on the upper side of the chassis (1) corresponding to the conveying belt (21), a feed supplementing vertical arm (41) capable of reciprocating along the vertical direction is arranged on the feed supplementing sliding frame (4), a feed supplementing cross arm (43) is horizontally and fixedly connected to one side, away from the feed supplementing frame (31), of the feed supplementing vertical arm (41), and a feed supplementing clamping jaw (44) capable of reciprocating along the length direction of the feed supplementing cross arm (43) is arranged on the lower side of the feed supplementing cross arm (43).

4. The automatic weighing and stepping packaging production line for welding rods as claimed in claim 3, characterized in that: the two sides of the material supplementing frame (31) are fixedly connected with material baffle plates (32) which have the same length direction with the material supplementing frame (31), the middle part of the striker plate (32) in the length direction is fixedly connected with a photoelectric switch (321), a first feeding push cylinder (411) which is the same as the width direction of the bottom frame (1) and can push the feeding sliding frame (4) to reciprocate is arranged on the bottom frame (1), a feeding push cylinder II (42) capable of pushing the feeding vertical arm (41) to move vertically is vertically arranged on the feeding sliding frame (4), and a feeding push cylinder III (45) capable of pushing the feeding clamping jaw (44) to move is arranged on the feeding cross arm (43) along the length direction of the feeding cross arm, the feeding push cylinder I (411), the feeding push cylinder II (42), the feeding push cylinder III (45) and the feeding clamping jaw (44) are connected with a power supply module together, and any one of the photoelectric switches (321) can realize the power-off of the power supply module when detecting a welding rod.

5. The automatic weighing and stepping packaging production line for welding rods as claimed in claim 1, characterized in that: the equal vertical rigid coupling of downside that weighing device (51) is corresponded in chassis (1) has lifting cylinder (52), lifting cylinder's (52) telescopic link sets up and the rigid coupling has lifting arm (53) the same with chassis (1) width direction, lifting arm (53) correspond the equal rigid coupling in both sides of weighing plate (511) and have lifting frame (54), and two lifting frame (54) upsides all are provided with accepts the groove, and the distance between two lifting frame (54) is less than the length of welding rod.

6. The automatic weighing and stepping packaging production line for welding rods as claimed in claim 1, characterized in that: the length direction middle part of chassis (1) is provided with two and follows temporary storage frame (71) that chassis (1) width direction arranged, and one side of keeping away from each other of two temporary storage frame (71) all is provided with temporary storage clamping jaw (72), the both sides of chassis (1) all are provided with can follow chassis (1) length direction reciprocating motion's switching-over slide (73), and the equal rotation in one side that is close to each other of two switching-over slide (73) is connected with switching-over arm (75) of vertical setting, and the lower extreme of two switching-over arms (75) all is provided with can go up welding rod clamp with weighing plate (511) and get and deliver to switching-over clamping jaw (77) in temporary storage clamping jaw (72).

7. The automatic weighing and stepping packaging production line for welding rods as claimed in claim 6, characterized in that: a discharging frame (86) which is the same as the length direction of the bottom frame (1) is arranged at one end of the bottom frame (1) far away from the conveying belt (21); the both sides of chassis (1) all are provided with ejection of compact slide (81) that can follow chassis (1) length direction and move, two ejection of compact slide (81) are close to the equal vertical ejection of compact balladeur train (83) that can move towards being close to each other or keeping away from the direction motion in one side each other, all are provided with ejection of compact that can follow vertical direction motion on ejection of compact balladeur train (83) and found arm (84), the lower extreme that the ejection of compact found arm (84) all is provided with ejection of compact clamping jaw (85) that can press from both sides and get in the clamping jaw (72) of keeping in and send to ejection of compact frame (86).

8. The automatic weighing and stepping packaging production line for welding rods as claimed in claim 7, characterized in that: the material pushing device is characterized in that a push plate (88) capable of sliding back and forth along the discharge frame (86) is arranged in the discharge frame (86), and a material pushing cylinder (89) capable of pushing the push plate (88) to slide back and forth is fixedly connected to one side of the discharge frame (86).

9. The automatic weighing and stepping packaging production line for welding rods as claimed in claim 8, characterized in that: a packaging box with an upper side opening is placed in the discharging frame (86).

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