CN108672915B - Full-automatic ultrasonic welding mechanism of serum pipette - Google Patents

Full-automatic ultrasonic welding mechanism of serum pipette Download PDF

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Publication number
CN108672915B
CN108672915B CN201810542550.4A CN201810542550A CN108672915B CN 108672915 B CN108672915 B CN 108672915B CN 201810542550 A CN201810542550 A CN 201810542550A CN 108672915 B CN108672915 B CN 108672915B
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arc
shaped
plate
conveying
track
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CN108672915A (en
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蒋峥嵘
谢小良
孙晓晓
蒋险峰
陈刚胜
徐妙眉
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Zhejiang Sorfa Life Science Research Co ltd
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Zhejiang Sorfa Life Science Research Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/26—Auxiliary equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)

Abstract

The invention relates to the technical field of biomedical equipment, and particularly discloses a full-automatic ultrasonic welding mechanism for a serum pipette, which comprises a rack, a controller and a conveying mechanism, wherein a first feeding mechanism, a second ultrasonic welding assembly and a first grabbing mechanism are sequentially arranged on the rack along the conveying direction of the conveying mechanism; the first feeding mechanism comprises a hopper and a discharging rail; the second ultrasonic welding assembly comprises a first pushing cylinder and a support plate; the first grabbing mechanism comprises a fixing plate and a rodless cylinder; the second feeding mechanism comprises a second vibrating mechanism and a second material tray; the lifting mechanism comprises a lifting cylinder and an I-shaped lifting plate. The invention has the characteristics of higher automation degree, better welding air tightness, higher production efficiency and lower production cost.

Description

Full-automatic ultrasonic welding mechanism of serum pipette
Technical Field
The invention relates to the technical field of biomedical equipment, in particular to a full-automatic ultrasonic welding mechanism for a serological pipette.
Background
The preparation of shift pipe in the existing market all welds tube head and mouthpiece respectively on the body through artifical pay-off, and the cooperation between its tube head and the body is smooth and easy inadequately, influences pipette welded gas tightness easily, and artifical intensity of labour is also big simultaneously, and production efficiency is lower, and manufacturing cost is higher.
Disclosure of Invention
The invention provides a full-automatic ultrasonic welding mechanism for a serum pipette, which aims to solve the technical problems in the manufacturing of the prior pipette and has the characteristics of higher automation degree, better welding air tightness, higher production efficiency and lower production cost.
The technical scheme of the invention is as follows: the serum pipette full-automatic ultrasonic welding mechanism comprises a rack, a controller arranged on the rack and a conveying mechanism arranged on the rack, wherein a first feeding mechanism positioned at the input end of the conveying mechanism, a second ultrasonic welding assembly positioned on the other side of the conveying mechanism and a first grabbing mechanism positioned above one side of the conveying mechanism are sequentially arranged on the rack along the conveying direction of the conveying mechanism, a second feeding mechanism corresponding to the first grabbing mechanism is arranged on one side of the rack where the first grabbing mechanism is positioned, and a lifting mechanism is arranged on the rack; the first feeding mechanism comprises a hopper and a discharging track arranged at the bottom of the hopper, the hopper is provided with a rotating rod, the rotating rod is provided with a cubic shifting block, the position of the cubic shifting block corresponds to the discharge track, the end part of the rotating rod is connected with the driven shaft through a matching structure of a second chain wheel and a second chain, a first cylinder is arranged below the hopper on the frame, a piston rod of the first cylinder is provided with a first push plate, the first push plate is provided with a first clapboard, the first clapboard is provided with a first arc-shaped groove, the bottom of the first clapboard is provided with a second clapboard, a second arc-shaped groove is arranged on the second clapboard, the distance between the first clapboard and the second clapboard is equal to the pipe diameter of the serum pipette, the discharge rail is positioned above the chain, and a discharge port of the discharge rail corresponds to the M-shaped placing part; the second ultrasonic welding assembly comprises a first pushing cylinder and a support plate which are arranged on the rack, the first pushing cylinder and the support plate are distributed on two sides of the conveying mechanism, a support plate is arranged on a piston rod of the first pushing cylinder, a first ultrasonic welder is arranged on the support plate, a second pushing cylinder corresponding to the first ultrasonic welder is arranged on the support plate, an installation sleeve is arranged at the end part of a piston rod of the second pushing cylinder, and a sealing head which is matched with the end part of the serum pipette is arranged in the installation sleeve through a compression spring; the first grabbing mechanism comprises a fixed plate arranged on the rack and a rodless cylinder obliquely arranged on the fixed plate, a fixed block is arranged on a piston of the rodless cylinder, three cylinders are arranged on the fixed block, a pneumatic manipulator is arranged at the end part of a piston rod of each three cylinder, a clamping block is arranged at the arm part of the pneumatic manipulator, and a clamping groove matched with the end part of the serum pipette is arranged on the rubber clamping block; the second feeding mechanism comprises a second vibrating mechanism and a second material tray arranged on the second vibrating mechanism, the second material tray is composed of a second outer tray part and a second inner tray part positioned in the second outer tray part, a second feeding hole communicated with the second outer tray part is arranged on the side wall of the second inner tray part, a second spiral conveying plate gradually upwards is arranged on the inner wall of the second inner tray part, the inner side of the second spiral conveying plate upwards inclines, the output end of the second spiral conveying plate is connected with a first arc-shaped conveying track, the first arc-shaped conveying track is composed of a first arc-shaped bottom plate inclining upwards and a first arc-shaped side plate vertically arranged, the output end of the first arc-shaped conveying track is connected with a second arc-shaped conveying track, the second arc-shaped conveying track is positioned in the second outer tray part, and the second arc-shaped conveying track is of an arc-shaped groove structure from the input end to the output end, the output end of the second arc-shaped conveying track is connected with a third arc-shaped conveying track, the upper end of the third arc-shaped conveying track is lower than the bottom of the second arc-shaped conveying track, the third arc-shaped conveying track is composed of two arc-shaped rods, a conveying track is formed by the part between the two arc-shaped rods, the distance between the two arc-shaped rods is smaller than the maximum diameter of a serum pipette end head, the output end of the third arc-shaped conveying track is connected with a fourth arc-shaped conveying track, the fourth arc-shaped conveying track is composed of a fourth arc-shaped bottom plate with a horizontal bottom and two fourth arc-shaped side plates vertically arranged on the fourth arc-shaped bottom plate, the height of the fourth arc-shaped bottom plate is lower than the upper surface of the third arc-shaped conveying track, the output end of the fourth arc-shaped conveying track is connected with a fifth arc-shaped conveying track, and the fifth arc-shaped, the fifth arc-shaped section comprises a fifth arc-shaped bottom plate and a fifth arc-shaped side plate arranged on the inner side of the fifth arc-shaped bottom plate, gaps are formed in the input end of the fifth arc-shaped bottom plate and the input end of the fifth arc-shaped side plate, the inner side of the fifth arc-shaped bottom plate inclines upwards, the input end of the fifth arc-shaped bottom plate is of a downward-inclined arc groove structure, the input end of the fifth arc-shaped bottom plate is connected with a fourth arc-shaped conveying track, the input end of the fifth arc-shaped side plate bends towards one side of the second inner disc part, the fifth straight line section comprises a fifth horizontal bottom plate, fifth side plates arranged on two sides of the fifth horizontal bottom plate and a fifth top plate arranged on the fifth side plate, the fifth side plate is connected with the fifth arc-shaped side plate, and the fifth horizontal bottom plate is connected with the fifth arc-; the lifting mechanism comprises a lifting cylinder and an I-shaped lifting plate arranged on a piston rod of the lifting cylinder, the I-shaped lifting plate is located on the lower portion of the conveying mechanism, supporting blocks are arranged on four end portions of the I-shaped lifting plate, supporting grooves are formed in the supporting blocks, an I-shaped fixing plate corresponding to the I-shaped lifting plate is arranged on the rack, two fixing strips are arranged on the I-shaped fixing plate, fixing grooves are formed in the fixing strips, and the fixing grooves correspond to the supporting grooves. The controller is used for realizing the coordination work among the conveying mechanism, the first feeding mechanism, the second feeding mechanism, the first grabbing mechanism, the second ultrasonic welding assembly and the lifting mechanism, realizing the automatic and efficient welding of the tube head at the two ends of the tube body, and having the advantages of less manpower and lower production cost; the ordered arrangement of the pipe bodies is realized by arranging the discharging track which only allows a single pipe body to pass through at the bottom of the hopper, the rotating rod with the cubic shifting block is arranged to be used as the guide for the pipe bodies in the hopper to enter the discharging track, only when the rotating surface of the cubic shifting block is parallel to the discharging track, the pipe bodies can enter the discharging track through the cubic shifting block, when the cubic shifting block is in other states, the pipe bodies cannot pass through the cubic shifting block, and the pipe bodies can enter the discharging track orderly according to actual needs due to the rotation of the cubic shifting block, so that the ordered arrangement of the pipe bodies is reasonable and ingenious in design; the pipe bodies in the discharge rail are enabled to fall one by one according to needs by the first cylinder driving the first partition plate and the second partition plate which are parallel to each other to do reciprocating motion, wherein the front end of the first partition plate, far away from the first cylinder, corresponds to the rear end of the second partition plate, the distance between the first partition plate and the second partition plate is equal to the diameter of the pipe bodies, the pipe bodies are enabled to fall orderly through the sequential separation of the first partition plate and the second partition plate, the coordination effect is good, the pipe bodies cannot roll randomly when falling on the first partition plate through the arrangement of the first arc-shaped groove on the first partition plate, the pipe bodies cannot roll randomly when falling on the second partition plate through the arrangement of the second arc-shaped groove on the second partition plate, and good separation is achieved; according to the invention, the first pushing cylinder is arranged, the first ultrasonic welding device is arranged on the first pushing cylinder, the second pushing cylinder corresponding to the welding end of the first ultrasonic welding device is arranged, so that the pipe body and the pipe nozzle are clamped in a matched mode during welding, sealed ultrasonic welding is realized, the welding airtightness is ensured, the welding effect is good, the sealing head with the compression spring is arranged at the piston end of the second pushing cylinder, so that the pipe body with slightly deviated length can still be well applied when meeting, stable matched clamping is realized, and the application flexibility is good; according to the invention, the first grabbing mechanism is designed into a combined structure of the rodless cylinder, the three-rod cylinder and the pneumatic manipulator, and the coordinated cooperation is realized through the controller, so that the pipe head is grabbed efficiently, the automation degree is better, and the working efficiency is higher; the invention adjusts the pipe head entering the third arc-shaped conveying rail by the second arc-shaped conveying rail with the arc groove structure, the upper end of the third arc-shaped conveying rail is arranged to be lower than the bottom of the second arc-shaped conveying rail, so that the pipe head can be well adjusted to enter the third arc-shaped conveying rail, the third arc-shaped conveying rail is designed to be a structure that two arc-shaped rods are arranged in parallel, the pipe head is only designed aiming at the pipe head, under the action of self gravity, the pipe head only has a part which is larger than the distance between the two arc-shaped rods in diameter and heavier in weight and the other parts are in a suspended state, the adjustment and transportation of the pipe head are realized, the height of the fourth arc-shaped bottom plate is designed to be lower than the upper surface of the third arc-shaped conveying rail, so that the pipe head entering the fourth arc-shaped conveying rail from the third arc-shaped conveying rail is arranged in the sequence with the heavier end in front, and the input, the pipe heads on the fourth arc-shaped conveying track can smoothly enter the fifth arc-shaped conveying track, the notches are formed in the input end of the fifth arc-shaped bottom plate and the input end of the fifth arc-shaped side plate, the inner side of the fifth arc-shaped bottom plate is inclined upwards, the reasonable number of the conveying pipe heads is ensured, the pipe heads exceeding the conveying number slide out from the notches or the positions inclined downwards from the fifth arc-shaped bottom plate and fall into the second outer disc part, the conveying effect is good, and the conveying efficiency is high; according to the invention, the lifting cylinder drives the supporting block with the supporting groove to move up and down to be matched with the fixing groove on the fixing strip, so that the tube body can be well pushed and fixed, the integral welding effect of the serological pipette is ensured, and the sealing property is good.
Preferably, the fixed plate is provided with a blocking mechanism, the blocking mechanism comprises a U-shaped mounting block and a blocking rod movably arranged on the U-shaped mounting block, the two ends of the blocking rod are respectively provided with a disc blocking block, the disc blocking block close to one side of the fifth arc-shaped conveying track corresponds to the output end of the fifth arc-shaped conveying track, the blocking rod is provided with a spring, and the spring is located at the position close to the fifth arc-shaped conveying track when the blocking rod is located. The disc blocks that the piece can carry out good stopping to tube head and mouthpiece, blocks the piece when the disc and is promoted the back, and the spring can better realize the return that the disc blockked the piece, continues to block tube head and mouthpiece, and simple structure, design benefit blocks that the effect is better.
Preferably, the track width of the discharging track is larger than the pipe diameter of one serological pipette, and the track width of the discharging track is smaller than the pipe diameters of two serological pipettes. Ensure the pipe bodies to be sequenced one by one in the discharging track.
Preferably, the discharge rail is composed of two corresponding sliding chutes at the bottom of the hopper. The pipe body can be well arranged, and the operation and control of other mechanisms on the pipe body can not be influenced.
Preferably, the cubic shifting blocks are in a group, and the cubic shifting blocks are plastic cubic shifting blocks. The plastic cubic shifting block can not damage the pipe body.
Preferably, the fixing plate is L-shaped, and reinforcing ribs are arranged at corners of the fixing plate. The reinforcing ribs ensure the strength of the fixing plate.
Preferably, the clamping block is a plastic clamping block. The plastic clamping block does not leave clamping marks on the pipe head and the nozzle.
Preferably, the second vibration mechanism comprises a second pulse electromagnet and a second base arranged at the end part of the second pulse electromagnet, and the upper end of the second base is connected with the second material tray through a second spring plate. The cooperation of second pulse electro-magnet and second spring board can be better for the second charging tray provide elastic power, guarantee the transport of material.
Preferably, the width of the first arc-shaped bottom plate is gradually increased from the input end to the output end. The pipe heads entering the first arc-shaped bottom plate can be arranged in a single layer as far as possible at the place with larger width, and the pipe heads cannot be excessively stacked, so that the pipe heads are better in state when entering the second arc-shaped conveying track.
Preferably, the fifth side plate and the fifth arc-shaped side plate are of an integral structure, and the fifth horizontal bottom plate and the fifth arc-shaped bottom plate are of an integral structure. Is convenient for processing.
Preferably, the inclination angle of the rodless cylinder is 30-60 degrees. The inclination angle of rodless cylinder can be adjusted as required, and the adjustability is better.
The invention has the following beneficial effects:
(1) the controller is used for realizing the coordination work among the conveying mechanism, the first feeding mechanism, the second feeding mechanism, the first grabbing mechanism, the second ultrasonic welding assembly and the lifting mechanism, realizing the automatic and efficient welding of the tube head at the two ends of the tube body, and having less manpower and lower production cost;
(2) the ordered arrangement of the pipe bodies is realized by arranging the discharge rail which only allows a single pipe body to pass through at the bottom of the hopper, and the rotating rod with the cubic shifting block is arranged to guide the pipe bodies in the hopper to enter the discharge rail, so that the hopper is reasonable and ingenious in design;
(3) the first cylinder drives the first partition plate and the second partition plate which are parallel to each other to do reciprocating motion, so that the tubes in the discharge rail fall one by one as required, wherein the front end of the first partition plate, which is far away from the first cylinder, corresponds to the rear end of the second partition plate, the distance between the first partition plate and the second partition plate is equal to the diameter of the tubes, the tubes can fall orderly and uniformly through the sequential separation of the first partition plate and the second partition plate, the coordination effect is good, the tubes cannot roll randomly when falling on the first partition plate through the arrangement of the first arc-shaped groove on the first partition plate, the tubes cannot roll randomly when falling on the second partition plate through the arrangement of the second arc-shaped groove on the second partition plate, and good separation is realized;
(4) the sealing device is characterized in that a first pushing cylinder is arranged, a first ultrasonic welding device is arranged on the first pushing cylinder, a second pushing cylinder corresponding to the welding end of the first ultrasonic welding device is arranged, so that the pipe body and the pipe head are clamped in a matched mode during welding, sealing ultrasonic welding is achieved, the welding air tightness is guaranteed, the welding effect is good, a sealing head with a compression spring is arranged at the piston end of the second pushing cylinder, the sealing device can still be well applied when encountering the pipe body with slightly deviated length, stable matched clamping is achieved, and the application flexibility is good;
(5) the first grabbing mechanism is designed to be a combined structure of a rodless cylinder, a three-rod cylinder and a pneumatic manipulator, coordination and coordination are realized through the controller, the pipe head is grabbed efficiently, the automation degree is good, and the working efficiency is high;
(6) the pipe head entering the third arc-shaped conveying rail is adjusted through the second arc-shaped conveying rail with the arc groove structure, the upper end of the third arc-shaped conveying rail is arranged below the bottom of the second arc-shaped conveying rail, so that the pipe head can be well adjusted to enter the third arc-shaped conveying rail, the third arc-shaped conveying rail is designed into a structure that two arc-shaped rods are arranged side by side, under the action of self gravity, the pipe head is only provided with a part which has a diameter larger than the distance between the two arc-shaped rods and has heavier weight, and the other parts are in a suspended state, so that the adjustment and transportation of the pipe head are realized, the height of the fourth arc-shaped bottom plate is designed to be lower than the upper surface of the third arc-shaped conveying rail, the pipe head entering the fourth arc-shaped conveying rail from the third arc-shaped conveying rail is arranged in the order that the heavier end is in front, and the input end of the fifth, the pipe heads on the fourth arc-shaped conveying track can smoothly enter the fifth arc-shaped conveying track, the notches are formed in the input end of the fifth arc-shaped bottom plate and the input end of the fifth arc-shaped side plate, the inner side of the fifth arc-shaped bottom plate is inclined upwards, the reasonable number of the conveying pipe heads is ensured, the pipe heads exceeding the conveying number slide out from the notches or the positions inclined downwards from the fifth arc-shaped bottom plate and fall into the second outer disc part, the conveying effect is good, and the conveying efficiency is high;
(7) the supporting block with the supporting groove is driven by the lifting cylinder to move up and down to be matched with the fixing groove on the fixing strip, so that the tube body can be well pushed and fixed, the integral welding effect of the serum pipette is ensured, and the sealing performance is good;
(8) the disc blocks that the piece can carry out good stopping to tube head and mouthpiece, blocks the piece when the disc and is promoted the back, and the spring can better realize the return that the disc blockked the piece, continues to block tube head and mouthpiece, and simple structure, design benefit blocks that the effect is better.
Drawings
FIG. 1 is a schematic view of a first configuration of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure at the first feed mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the second grasping mechanism of the ultrasonic welding machine of the present invention;
FIG. 5 is a schematic view of the present invention at the location of the installation sleeve;
FIG. 6 is a schematic view of the structure of the drive mechanism of the ultrasonic welding machine of the present invention;
FIG. 7 is a schematic view of the structure of the present invention at the driving member of the ultrasonic welding machine;
FIG. 8 is a schematic view of the structure of the invention at the collection hopper of the ultrasonic welding machine;
FIG. 9 is a schematic view of the structure at the second feed mechanism of the present invention;
FIG. 10 is a schematic view of the structure at a second vibratory mechanism of the present invention;
FIG. 11 is a schematic view of the structure of the third feed mechanism of the ultrasonic welding machine of the present invention;
FIG. 12 is a schematic view of the structure of the third vibration mechanism of the ultrasonic welding machine of the present invention;
FIG. 13 is a schematic view of the structure of the second slide rail of the ultrasonic welding machine of the present invention;
FIG. 14 is a schematic view of the structure at the clamping block of the present invention;
fig. 15 is a schematic view of the structure at the fixing strip of the present invention.
The labels in the figures are: 1-a frame, 2-a controller, 3-a conveying mechanism, 31-a driving shaft, 32-a driven shaft, 33-a sprocket, 34-a chain, 35-an M-shaped placing part, 4-a first feeding mechanism, 41-a hopper, 42-a discharging track, 43-a rotating rod, 44-a cubic shifting block, 45-a first air cylinder, 46-a first push plate, 47-a first clapboard, 48-a first arc-shaped groove, 49-a second clapboard, 410-a second arc-shaped groove, 5-a first ultrasonic welding component, 51-a first pushing air cylinder, 52-a support plate, 53-a support plate, 54-a first ultrasonic welding device, 55-a second pushing air cylinder, 56-a mounting sleeve, 57-a compression spring, 58-a sealing head, 6-a second grabbing mechanism, 61-a fixed plate, 62-a rodless cylinder, 63-a fixed block, 64-a three-bar cylinder, 65-a pneumatic manipulator, 66-a clamping block, 67-a clamping groove, 68-a reinforcing rib, 7-a second ultrasonic welding component, 8-a first grabbing mechanism, 9-a driving mechanism, 91-a ratchet wheel, 92-a driving cylinder, 93-a rotating part, 94-a driving rod, 95-a driving part, 96-a mounting block, 97-a mounting hole, 98-a torsion spring, 99-a rotating column, 910-a pawl, 10-a collecting hopper, 101-a rectangular opening, 11-a second feeding mechanism, 111-a second vibrating mechanism, 112-a second tray, 113-a second outer tray part, 114-a second inner tray part, 115-a second spiral conveying plate, 116-a first curved conveying track, 117-a first curved bottom plate, 118-a first curved side plate, 119-a second curved conveying track, 1110-a third curved conveying track, 1111-a curved rod, 1112-a fourth curved conveying track, 1113-a fourth curved bottom plate, 1114-a fourth curved side plate, 1115-a fifth curved conveying track, 1116-a fifth curved segment, 1117-a fifth straight segment, 1118-a fifth curved bottom plate, 1119-a fifth curved side plate, 1120-a notch, 1121-a fifth horizontal bottom plate, 1122-a fifth side plate, 1123-a fifth top plate, 1124-a second pulse electromagnet, 1125-a second base, 1126-a second spring plate, 12-a third feeding mechanism, 121-a third vibrating mechanism, 122-a third tray, 123-a third outer disk part, 124-a third inner disk part, 125-a third spiral conveying plate, 126-a first circular arc conveying track, 127-a first circular arc bottom plate, 128-a first circular arc side plate, 129-a second slide track, 1210-a baffle plate, 1211-a gap, 1212-a third circular arc conveying track, 1213-a third circular arc bottom plate, 1214-a third circular arc side plate, 1215-a fourth linear conveying track, 1216-a fourth linear bottom plate, 1217-a fourth linear side plate, 1218-a fourth linear top plate, 1219-a third pulse electromagnet, 1220-a third base, 1221-a third spring plate, 13-a lifting mechanism, 131-a lifting cylinder, 132-an I-shaped lifting plate, 133-a supporting block, 134-a supporting groove and 135-an I-shaped fixing plate, 136-fixing strip, 137-fixing groove, 14-blocking mechanism, 141-U-shaped mounting block, 142-blocking rod, 143-disc blocking block and 144-spring.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
The full-automatic ultrasonic welding mechanism for the serological pipette shown in fig. 1 and 2 comprises a rack 1, a controller 2 arranged on the rack and a conveying mechanism 3 arranged on the rack, wherein a first feeding mechanism 4 shown in fig. 3, a second ultrasonic welding assembly 7 and a first grabbing mechanism 8 are sequentially arranged on the rack along the conveying direction of the conveying mechanism, the first feeding mechanism is positioned at the input end of the conveying mechanism, the second feeding mechanism is positioned at the other side of the conveying mechanism, the first grabbing mechanism is positioned above one side of the conveying mechanism, a second feeding mechanism 11 corresponding to the first grabbing mechanism and shown in fig. 9 is arranged on one side of the rack where the first grabbing mechanism is positioned, and a lifting mechanism 13 is arranged on the rack; the first feeding mechanism comprises a hopper 41 and a discharging track 42 arranged at the bottom of the hopper, a rotating rod 43 is arranged on the hopper, a cubic shifting block 44 is arranged on the rotating rod, the position of the cubic shifting block corresponds to the discharging track, the end part of the rotating rod is connected with a driven shaft through a matching structure of a second chain wheel and a second chain, a first air cylinder 45 is arranged below the hopper on the rack, a first push plate 46 is arranged on a piston rod of the first air cylinder, a first partition plate 47 is arranged on the first push plate, a first arc-shaped groove 48 is arranged on the first partition plate, a second partition plate 49 is arranged at the bottom of the first partition plate, a second arc-shaped groove 410 is arranged on the second partition plate, the distance between the first partition plate and the second partition plate is equal to the pipe diameter of a serum pipette, the discharging track is arranged above the chain; the second ultrasonic welding component comprises a first pushing cylinder 51 and a support plate 52 which are arranged on the rack, the first pushing cylinder and the support plate are distributed on two sides of the conveying mechanism, a support plate 53 is arranged on a piston rod of the first pushing cylinder, a first ultrasonic welding device 54 is arranged on the support plate, a second pushing cylinder 55 corresponding to the first ultrasonic welding device is arranged on the support plate, an installation sleeve 56 shown in figure 5 is arranged at the end part of a piston rod of the second pushing cylinder, and a sealing head 58 matched with the end part of the serum pipette is arranged in the installation sleeve through a compression spring 57; the first grabbing mechanism comprises a fixed plate 61 arranged on the rack and a rodless cylinder 62 obliquely arranged on the fixed plate, a fixed block 63 is arranged on a piston of the rodless cylinder, a three-rod cylinder 64 is arranged on the fixed block, a pneumatic manipulator 65 is arranged at the end part of a piston rod of the three-rod cylinder, a clamping block 66 shown in figure 14 is arranged at the arm of the pneumatic manipulator, and a clamping groove 67 matched with the end part of the serological pipette is arranged on the rubber clamping block; the second feeding mechanism comprises a second vibrating mechanism 111 shown in fig. 10 and a second material tray 112 arranged on the second vibrating mechanism, the second material tray is composed of a second outer tray part 113 and a second inner tray part 114 positioned in the second outer tray part, a second feeding port communicated with the second outer tray part is arranged on the side wall of the second inner tray part, a second spiral conveying plate 115 gradually upwards is arranged on the inner wall of the second inner tray part, the inner side of the second spiral conveying plate upwards inclines, the output end of the second spiral conveying plate is connected with a first arc-shaped conveying track 116, the first arc-shaped conveying track is composed of a first arc-shaped bottom plate 117 upwards inclining and a first arc-shaped side plate 118 vertically arranged, the output end of the first arc-shaped conveying track is connected with a second arc-shaped conveying track 119, the second arc-shaped conveying track is positioned in the second outer tray part, the second arc-shaped conveying track is of an arc-shaped groove structure from the input end to the, the output end of the second arc-shaped conveying track is connected with a third arc-shaped conveying track 1110, the upper end of the third arc-shaped conveying track is lower than the bottom of the second arc-shaped conveying track, the third arc-shaped conveying track is composed of two arc-shaped rods 1111, the part between the two arc-shaped rods forms a conveying track, the distance between the two arc-shaped rods is smaller than the maximum diameter of a tube head of a serum pipette end, the output end of the third arc-shaped conveying track is connected with a fourth arc-shaped conveying track 1112, the fourth arc-shaped conveying track is composed of a fourth arc-shaped bottom plate 1113 with a horizontal bottom and two fourth arc-shaped side plates 1114 vertically arranged on the fourth arc-shaped bottom plate, the height of the fourth arc-shaped bottom plate is lower than the upper surface of the third arc-shaped conveying track, the output end of the fourth arc-shaped conveying track is connected with a fifth arc-shaped conveying track, the fifth arc-shaped section comprises a fifth arc-shaped bottom plate 1118 and a fifth arc-shaped side plate 1119 arranged on the inner side of the fifth arc-shaped bottom plate, a notch 1120 is formed in the input end of the fifth arc-shaped bottom plate and the input end of the fifth arc-shaped side plate, the inner side of the fifth arc-shaped bottom plate inclines upwards, the input end of the fifth arc-shaped bottom plate is of a downward-inclined arc groove structure, the input end of the fifth arc-shaped bottom plate is connected with the fourth arc-shaped conveying track, the input end of the fifth arc-shaped side plate bends towards one side of the second inner disk, the fifth straight line section comprises a fifth horizontal bottom plate 1121, fifth side plates 1122 arranged on two sides of the fifth horizontal bottom plate and a fifth top plate 1123 arranged on the fifth side plate, the fifth side plate is connected with the fifth arc-shaped bottom plate, and the fifth horizontal; the lifting mechanism comprises a lifting cylinder 131 and an I-shaped lifting plate 132 arranged on a piston rod of the lifting cylinder, the I-shaped lifting plate is positioned at the lower part of the conveying mechanism, supporting blocks 133 are arranged at four end parts of the I-shaped lifting plate, supporting grooves 134 are arranged on the supporting blocks, an I-shaped fixing plate 135 corresponding to the I-shaped lifting plate is arranged on the rack, two fixing strips 136 shown in fig. 15 are arranged on the I-shaped fixing plate, fixing grooves 137 are arranged on the fixing strips, and the fixing grooves correspond to the supporting grooves. And a blocking mechanism 14 is arranged on the fixing plate, the blocking mechanism comprises a U-shaped mounting block 141 and a blocking rod 142 movably arranged on the U-shaped mounting block, the two ends of the blocking rod are respectively provided with a disc blocking block 143, the disc blocking block close to one side of the fifth arc-shaped conveying track corresponds to the output end of the fifth arc-shaped conveying track, the blocking rod is provided with a spring 144, and the spring is positioned close to the fifth arc-shaped conveying track when the blocking rod is positioned. The track width of ejection of compact track is greater than the pipe diameter of a serum pipette, and the track width of ejection of compact track is less than the pipe diameter of two serum pipettes. The discharge track is composed of two corresponding chutes at the bottom of the hopper. The cubic shifting blocks are in a group and are plastic cubic shifting blocks. The fixed plate is L-shaped, and reinforcing ribs 68 are arranged at the corners of the fixed plate. The clamping block is a plastic clamping block. The second vibration mechanism comprises a second pulse electromagnet 1124 and a second base 1125 arranged at the end part of the second pulse electromagnet, and the upper end of the second base is connected with the second tray through a second spring plate 1126. The width of the first arc-shaped bottom plate is gradually reduced from the input end to the output end. The fifth side plate and the fifth arc-shaped side plate are of an integrated structure, and the fifth horizontal bottom plate and the fifth arc-shaped bottom plate are of an integrated structure.
The whole machine of the serum pipette full-automatic ultrasonic welding mechanism comprises a machine frame 1, a controller 2 arranged on the machine frame and a conveying mechanism 3 arranged on the machine frame, wherein a first feeding mechanism 4 positioned at the input end of the conveying mechanism and shown in figure 3, a first ultrasonic welding component 5 positioned at one side of the conveying mechanism, a second grabbing mechanism 6 positioned above the other side of the conveying mechanism and shown in figure 4, a second ultrasonic welding component 7 positioned at the other side of the conveying mechanism, a first grabbing mechanism 8 positioned above one side of the conveying mechanism, a driving mechanism 9 positioned below the output end of the conveying mechanism and matched with the conveying mechanism and shown in figure 6, and a collecting hopper 10 positioned at the output end of the conveying mechanism and shown in figure 8 are sequentially arranged on the machine frame along the conveying direction of the conveying mechanism, a second feeding mechanism 11 corresponding to the first grabbing mechanism and shown in figure 9 is arranged at one side of the machine frame where the first grabbing mechanism is positioned, a third feeding mechanism 12 corresponding to the second grabbing mechanism and shown in fig. 11 is arranged on one side, where the second grabbing mechanism is located, of the rack, and a lifting mechanism 13 is arranged between the first ultrasonic welding assembly and the second ultrasonic welding assembly on the rack; the conveying mechanism comprises a driving shaft 31 and a driven shaft 32 which are rotatably arranged on the rack through bearings, two chain wheels 33 are arranged on the driving shaft and the driven shaft respectively, the chain wheels on the driving shaft correspond to the chain wheels on the driven shaft, two groups of corresponding chain wheels are provided with chains 34, the side parts of the chains are provided with a plurality of M-shaped placing parts 35, and the M-shaped placing parts on the two chains correspond to each other; the first feeding mechanism comprises a hopper 41 and a discharging track 42 arranged at the bottom of the hopper, a rotating rod 43 is arranged on the hopper, a cubic shifting block 44 is arranged on the rotating rod, the position of the cubic shifting block corresponds to the discharging track, the end part of the rotating rod is connected with a driven shaft through a matching structure of a second chain wheel and a second chain, a first air cylinder 45 is arranged below the hopper on the rack, a first push plate 46 is arranged on a piston rod of the first air cylinder, a first partition plate 47 is arranged on the first push plate, a first arc-shaped groove 48 is arranged on the first partition plate, a second partition plate 49 is arranged at the bottom of the first partition plate, a second arc-shaped groove 410 is arranged on the second partition plate, the distance between the first partition plate and the second partition plate is equal to the pipe diameter of a serum pipette, the discharging track is arranged above the chain; the first ultrasonic welding assembly comprises a first pushing cylinder 51 and a support plate 52 which are arranged on the rack, the first pushing cylinder and the support plate are distributed on two sides of the conveying mechanism, a support plate 53 is arranged on a piston rod of the first pushing cylinder, a first ultrasonic welding device 54 is arranged on the support plate, a second pushing cylinder 55 corresponding to the first ultrasonic welding device is arranged on the support plate, an installation sleeve 56 shown in figure 5 is arranged at the end part of a piston rod of the second pushing cylinder, and a sealing head 58 matched with the end part of the serum pipette is arranged in the installation sleeve through a compression spring 57; the second grabbing mechanism comprises a fixed plate 61 arranged on the rack and a rodless cylinder 62 obliquely arranged on the fixed plate, a fixed block 63 is arranged on a piston of the rodless cylinder, a three-rod cylinder 64 is arranged on the fixed block, a pneumatic manipulator 65 is arranged at the end part of a piston rod of the three-rod cylinder, a clamping block 66 shown in figure 14 is arranged at the arm of the pneumatic manipulator, and a clamping groove 67 matched with the end part of the serological pipette is arranged on the rubber clamping block; the second ultrasonic welding assembly has the same structure as the first ultrasonic welding assembly; the second grabbing mechanism has the same structure as the first grabbing mechanism; the second feeding mechanism comprises a second vibrating mechanism 111 shown in fig. 10 and a second material tray 112 arranged on the second vibrating mechanism, the second material tray is composed of a second outer tray part 113 and a second inner tray part 114 positioned in the second outer tray part, a second feeding port communicated with the second outer tray part is arranged on the side wall of the second inner tray part, a second spiral conveying plate 115 gradually upwards is arranged on the inner wall of the second inner tray part, the inner side of the second spiral conveying plate upwards inclines, the output end of the second spiral conveying plate is connected with a first arc-shaped conveying track 116, the first arc-shaped conveying track is composed of a first arc-shaped bottom plate 117 upwards inclining and a first arc-shaped side plate 118 vertically arranged, the output end of the first arc-shaped conveying track is connected with a second arc-shaped conveying track 119, the second arc-shaped conveying track is positioned in the second outer tray part, the second arc-shaped conveying track is of an arc-shaped groove structure from the input end to the, the output end of the second arc-shaped conveying track is connected with a third arc-shaped conveying track 1110, the upper end of the third arc-shaped conveying track is lower than the bottom of the second arc-shaped conveying track, the third arc-shaped conveying track is composed of two arc-shaped rods 1111, the part between the two arc-shaped rods forms a conveying track, the distance between the two arc-shaped rods is smaller than the maximum diameter of a tube head of a serum pipette end, the output end of the third arc-shaped conveying track is connected with a fourth arc-shaped conveying track 1112, the fourth arc-shaped conveying track is composed of a fourth arc-shaped bottom plate 1113 with a horizontal bottom and two fourth arc-shaped side plates 1114 vertically arranged on the fourth arc-shaped bottom plate, the height of the fourth arc-shaped bottom plate is lower than the upper surface of the third arc-shaped conveying track, the output end of the fourth arc-shaped conveying track is connected with a fifth arc-shaped conveying track, the fifth arc-shaped section comprises a fifth arc-shaped bottom plate 1118 and a fifth arc-shaped side plate 1119 arranged on the inner side of the fifth arc-shaped bottom plate, a notch 1120 is formed in the input end of the fifth arc-shaped bottom plate and the input end of the fifth arc-shaped side plate, the inner side of the fifth arc-shaped bottom plate inclines upwards, the input end of the fifth arc-shaped bottom plate is of a downward-inclined arc groove structure, the input end of the fifth arc-shaped bottom plate is connected with the fourth arc-shaped conveying track, the input end of the fifth arc-shaped side plate bends towards one side of the second inner disk, the fifth straight line section comprises a fifth horizontal bottom plate 1121, fifth side plates 1122 arranged on two sides of the fifth horizontal bottom plate and a fifth top plate 1123 arranged on the fifth side plate, the fifth side plate is connected with the fifth arc-shaped bottom plate, and the fifth horizontal; the third feeding mechanism comprises a third vibrating mechanism 121 shown in fig. 12 and a third material tray 122 arranged on the third vibrating mechanism, the third material tray is composed of a third outer tray part 123 and a third inner tray part 124 positioned in the third outer tray part, a third feeding port communicated with the third outer tray part is arranged on the side wall of the third inner tray part, a third spiral conveying plate 125 which gradually inclines upwards is arranged on the inner wall of the third inner tray part, the inner side of the third spiral conveying plate inclines upwards, the output end of the third spiral conveying plate is connected with a first arc conveying track 126, the first arc conveying track comprises a first arc bottom plate 127 and a first arc side plate 128 arranged on the outer side of the first arc edge, the inner side of the first arc bottom plate inclines upwards, the output end of the first arc conveying track is connected with a second slide track 129 shown in fig. 13, a baffle 1210 is arranged on the third material tray, and the output end of the first arc conveying track are positioned on the same horizontal plane, a gap 1211 is arranged between the baffle plate and the output end of the first arc conveying track, the output end of the second slide track is connected with a third arc conveying track 1212, the third arc conveying track comprises a third arc bottom plate 1213 and a third arc side plate 1214 vertically arranged on the outer side of the third arc bottom plate, the inner side of the third arc bottom plate inclines upwards, the inner side of the third arc bottom plate is zigzag, the output end of the third arc conveying track is connected with a fourth straight-line conveying track 1215, the fourth straight-line conveying track comprises a fourth straight-line bottom plate 1216, fourth straight-line side plates 1217 arranged on two sides of the fourth straight-line bottom plate and a fourth straight-line top plate 1218 arranged on the fourth straight-line side plates, the fourth straight-line bottom plate is connected with the outer side part of the output end of the third arc bottom plate, and the fourth straight-line bottom plate and the third arc bottom; the lifting mechanism comprises a lifting cylinder 131 and an I-shaped lifting plate 132 arranged on a piston rod of the lifting cylinder, the I-shaped lifting plate is positioned at the lower part of the conveying mechanism, supporting blocks 133 are arranged at four ends of the I-shaped lifting plate, supporting grooves 134 are arranged on the supporting blocks, an I-shaped fixing plate 135 corresponding to the I-shaped lifting plate is arranged on the rack, two fixing strips 136 shown in figure 15 are arranged on the I-shaped fixing plate, fixing grooves 137 are arranged on the fixing strips, and the fixing grooves, the supporting grooves and the M-shaped placing parts correspond to each other.
The driving mechanism comprises a ratchet wheel 91 and a driving cylinder 92 arranged on the frame, the end of the piston rod of the driving cylinder is connected with a driving rod 94 through a rotating piece 93, the end of the driving rod is arranged on the driving shaft through a bearing, a driving piece 95 shown in fig. 7 is arranged on the driving rod, the ratchet wheel is arranged on the driving shaft, and the driving piece is connected with the ratchet wheel. The driving piece comprises a mounting block 96 arranged on the driving rod and a mounting hole 97 arranged on the mounting block, a torsion spring 98 is arranged in the mounting hole, a rotating column 99 is arranged in the torsion spring in a penetrating mode, a pawl 910 matched with the ratchet wheel is arranged on the rotating column, and the pawl penetrates out of the mounting hole and is located outside the mounting block. And a blocking mechanism 14 is arranged on the fixing plate, the blocking mechanism comprises a U-shaped mounting block 141 and a blocking rod 142 movably arranged on the U-shaped mounting block, the two ends of the blocking rod are respectively provided with a disc blocking block 143, the disc blocking block close to one side of the fifth arc-shaped conveying track corresponds to the output end of the fifth arc-shaped conveying track, the blocking rod is provided with a spring 144, and the spring is positioned close to the fifth arc-shaped conveying track when the blocking rod is positioned. A plurality of M-shaped laying parts are distributed at equal intervals at the side part of the chain. The track width of ejection of compact track is greater than the pipe diameter of a serum pipette, and the track width of ejection of compact track is less than the pipe diameter of two serum pipettes. The discharge track is composed of two corresponding chutes at the bottom of the hopper. The cubic shifting blocks are in a group and are plastic cubic shifting blocks. The fixed plate is L-shaped, and reinforcing ribs 68 are arranged at the corners of the fixed plate. The clamping block is a plastic clamping block. The second vibration mechanism comprises a second pulse electromagnet 1124 and a second base 1125 arranged at the end part of the second pulse electromagnet, and the upper end of the second base is connected with the second tray through a second spring plate 1126. The width of the first arc-shaped bottom plate is gradually reduced from the input end to the output end. The fifth side plate and the fifth arc-shaped side plate are of an integrated structure, and the fifth horizontal bottom plate and the fifth arc-shaped bottom plate are of an integrated structure. The third vibrating mechanism comprises a third pulse electromagnet 1219 and a third base 1220 arranged at the end of the third pulse electromagnet, and the upper end of the third base is connected with a third tray through a third spring plate 1221. The collection hopper is provided with two rectangular openings 101, and two sprockets on the driving shaft partially penetrate through the rectangular openings and are positioned inside the collection hopper. The inclination angle of the rodless cylinder is 30-60 degrees.
The working principle of the invention is as follows:
the controller 2 controls the driving cylinder 92 to start working, the working rate of the driving cylinder can be adjusted through the controller, a piston rod of the driving cylinder drives the driving rod 94 to intermittently rotate on the driving shaft 31 through a rotating rod, the driving rod drives the driving piece 65 to work, the pawl 910 of the driving piece drives the ratchet wheel 91 to intermittently rotate, under the action of the torsion spring 98, the pawl drives the ratchet wheel to return to the original position after driving, the ratchet wheel drives the driving shaft to intermittently rotate, and the driving shaft drives the driven shaft 32 to rotate through the matching of the chain wheel 33 and the chain 34, so that the transfer of the serological pipette is realized; the staff puts the body in hopper 41, under the effect of blockking up of cube shifting block 44, the body can not get into ejection of compact track 42 at once, the driven shaft drives dwang 43 through the cooperation structure of second sprocket and second chain and rotates in the pivoted, the dwang drives the cube shifting block and rotates, when the rotation plane of cube shifting block parallels with ejection of compact track, space between rotation plane and the ejection of compact track only can let a body drop, also can only hold a body down up in the ejection of compact track, drop one by one through the rotation body of cube shifting block and get into in the ejection of compact track, ejection of compact track's bottom is blockked by first baffle 47, the body that is located bottom in the ejection of compact track falls in first arc wall 48, controller control first cylinder 45 works, the piston rod of first cylinder drives first baffle through first push pedal 46 and moves backward, the body that is located bottom in the ejection of compact track continues to drop to second arc wall 410 of second baffle 49 after breaking away from first baffle In the device, the first cylinder drives the first clapboard to move forwards, the first clapboard is just inserted between the bottommost pipe body and the penultimate pipe body, and the two ends of the pipe body falling on the second clapboard are also just positioned in the M-shaped placing part 35 on the chain, under the blocking action of the M-shaped placing parts on the two chains, the pipe body is separated from the second partition plate and moves forwards along with the chains, the pipe body moves to the first ultrasonic welding component 5 along with the chains in the M-shaped placing parts, the controller controls the lifting cylinder 131 to work, the piston rod of the lifting cylinder pushes the I-shaped lifting plate 132 to be lifted, the pipe body is just positioned in the supporting grooves 134 on the pair of supporting blocks 133 on the I-shaped lifting plate, the pipe body is separated from the M-shaped placing parts, and after the pipe body is jacked up by the I-shaped lifting plate, the top of the pipe body is positioned in a fixing groove 137 of the I-shaped fixing plate 135 corresponding to the fixing strip 136, and the pipe body is clamped and fixed by the supporting groove and the fixing groove; at this time, the controller controls the third pulse electromagnet 1219 to work, the third pulse electromagnet drives the third tray 122 to vibrate through the third spring plate 1221, the nozzle in the third inner tray 124 moves up spirally along the third spiral conveying plate 125 to the first arc conveying track 126 under the action of the vibrating thrust, the nozzle falls into the second slide track 129 through the gap after being screened and adjusted in the first arc conveying track, because the nozzle is a cone-shaped structure with a heavy head and a light head, when the heavy head end reaches the gap 1211 along the first arc conveying track, the nozzle naturally falls into the second slide track, when the light head end reaches the gap, the nozzle does not fall into the second slide track through the gap, but continues to move forward, the tip moves over the gap and reaches the baffle 1210, until the heavy head end reaches the gap and falls into the second slide track through the gap, the adjustment of the nozzles is realized, each nozzle entering the second slide rail is provided with a heavier and larger big end in front and a lighter and smaller pointed end in back in sequence, the nozzle in the second slide rail enters the third circular arc conveying rail 1212 again under the action of vibration force, the sawtooth edge at the inner side of the third circular arc conveying rail is designed according to the similar conical shape of the nozzle, the sawtooth part can properly block and screen the nozzles, only the smoothly passing nozzle is the required qualified product, the nozzles which do not meet the screening condition are blocked by the sawtooth and fall into the third outer disk part 123 under the subsequent thrust of the nozzle, the process that the nozzle enters the fourth linear conveying rail 1215 from the third circular arc conveying rail is also a process that the nozzle falls by gravity, because the fourth linear bottom plate 1216 is connected with the side part of the third circular arc bottom plate 1313, the fourth linear bottom plate and the third circular arc bottom plate are positioned on the same plane and the outer sides are inclined, therefore, only when the fourth linear conveying rail has a proper space, the nozzle can slide into the fourth linear conveying rail from the third circular arc conveying rail, a plurality of fourth linear conveying rails are filled with the nozzles, no proper space is reserved, the nozzles in the third circular arc conveying rail are output from the output end of the third circular arc conveying rail under the thrust of the rear nozzle and fall into the third outer disc part again, the nozzle at the output end of the fourth linear conveying rail cannot be output under the blocking action of the disc blocking block 143, at the moment, the controller controls the rodless cylinder 62, the three-rod cylinder 64 and the pneumatic manipulator 65 to work in a coordinated mode, the clamping block 66 of the pneumatic manipulator clamps the large head end of the nozzle in the clamping groove 67, the piston rod of the three-rod cylinder retracts, the clamping block pushes the disc blocking block to be far away from the output end of the fourth linear conveying rail, and the nozzle is taken out of the fourth linear conveying rail completely, the obliquely arranged rodless cylinder drags the three-rod cylinder to move downwards and align to the end part of the pipe body, when the pipe nozzle leaves the disc blocking block, the disc blocking block returns under the elastic force of the spring 144 to continuously block and output the pipe nozzle at the output end of the fourth linear conveying rail, the clamping block clamps the pipe nozzle to the end part of the pipe body, the controller controls the first pushing cylinder 51, the first ultrasonic welder 54 and the second pushing cylinder 55 to work together, the second pushing cylinder presses the end to be welded of the pipe nozzle to the end part of the pipe body, the first pushing cylinder pushes the welding head of the first ultrasonic welder to align to the other end of the pipe body and the first ultrasonic welder to send waves to complete the welding of the pipe nozzle on the pipe body, in the process that the second pushing cylinder presses the pipe nozzle, the sealing head 58 at the piston rod end part of the second pushing cylinder can be properly adjusted according to the matching length of the pipe body and the pipe nozzle under the action of the compression spring, after welding is completed, the first pushing cylinder reversely drags the second ultrasonic welder to leave the pipe body and return to the original position, the second pushing cylinder also drives the sealing head to return to the original position, the rodless cylinder drags the three-rod cylinder to clamp the pipe mouth again, and the lifting cylinder also drives the I-shaped lifting plate to move downwards, so that the pipe body with the welded pipe mouth returns to the M-shaped placing part again and continues to move forwards along with the chain; when the pipe body with the welded pipe nozzle moves to the second ultrasonic welding component 7, the lifting cylinder 131 continuously jacks up the pipe body by controlling the work of the I-shaped lifting plate 132, and the fixing and welding modes of the pipe body at the second ultrasonic welding component are the same as those of the first ultrasonic welding component; for the second feeding mechanism 11 corresponding to the first grabbing mechanism 8, the controller controls the second pulse electromagnet 1124 to work, the second pulse electromagnet drives the second material tray 112 to vibrate through the second spring plate 1126, the tube heads are conveyed forwards along the second spiral conveying plate 115 under the action of the vibration force, the tube heads are sorted and primarily screened at the first arc conveying track 116 to ensure the number of the tube heads conveyed forwards, after the tube heads enter the second arc conveying track 119 of the arc groove structure from the first arc conveying track, the tube heads are singly arranged at the second arc conveying track, redundant tube heads will be separated from the second arc conveying track and fall into the second outer disc part in the process of entering the second arc conveying track from the first arc conveying track, when the tube heads enter the third arc conveying track 1110 from the second arc conveying track, because the upper end of the third arc conveying track is lower than the bottom of the second arc conveying track, when the tube head falls into the third arc-shaped conveying track, because the tube head is of a structure similar to a cylinder, the end to be welded of the tube head is provided with a circular protrusion, so that the end to be welded of the tube head is heavier than the other end of the tube head, and because of the existence of the circular protrusion, the outer diameter of the end to be welded of the tube head is larger than the other end of the tube head, when the tube head falls into the third arc-shaped conveying track, the end with larger outer diameter and heavier gravity is positioned on the two arc-shaped rods 1111, the other part of the tube head is positioned between the two arc-shaped rods in a suspended state under the action of gravity, under the action of vacuum force, the tube head slides forwards in the third arc-shaped conveying track, and when the third arc-shaped conveying track enters the fourth arc-shaped conveying track 1112, because the height of the fourth arc-shaped bottom plate 1113 is lower than, therefore, when the tube head enters the fourth arc-shaped conveying track, the bottom of the fourth arc-shaped conveying track blocks the suspended tube head part, the heavier end of the fourth arc-shaped conveying track falls into the fourth arc-shaped conveying track, the input end of the fourth arc-shaped bottom plate of the fourth arc-shaped conveying track is poorer than the output end of the third arc-shaped conveying track, and the input end of the fourth arc-shaped bottom plate is lower than the output end of the third arc-shaped conveying track, so that the tube head entering the fourth arc-shaped conveying track is conveyed in a state that the heavier end is forward, when the tube head enters the fifth arc-shaped conveying track 1115 from the fourth arc-shaped conveying track, the fifth arc-shaped bottom plate 1118 with a downward inclined arc groove shape at the input end of the fifth arc-shaped conveying track is butted with the fourth arc-shaped conveying track, so that the tube head can smoothly enter the fifth arc-shaped conveying track firstly, because the notch 1120 is arranged at the input end of the fifth arc-shaped bottom plate and the input end of the fifth arc-shaped side plate 1119, and the inner side of the fifth arc-shaped bottom plate is inclined upwards, when the tube heads in the fifth straight-line segment meet the quantity requirement, redundant tube heads slide down from the notch or the downwards inclined side of the fifth arc-shaped bottom plate and fall into the second outer disc part; when the tube head is welded on the tube body, the serum pipettes completing all welding procedures are continuously placed on the M-shaped placing part, along with the forward conveying of the conveying mechanism 3, when the serum pipettes are conveyed to the two rectangular openings 101 at the inlet of the collecting hopper 10, under the continuous rotating action of the two chain wheels partially positioned at the rectangular openings, the serum pipettes fall from the M-shaped placing part into the collecting hopper, and thus, a working cycle is completed. The work of the first cylinder, the first pushing cylinder, the first ultrasonic welding device, the second pushing cylinder, the rodless cylinder, the three-rod cylinder, the pneumatic manipulator, the second ultrasonic welding assembly, the driving cylinder, the second pulse electromagnet, the third pulse electromagnet and the lifting cylinder is controlled by a controller, a program is arranged in the controller, the cooperative work of all parts can be coordinated, and the smooth proceeding of the whole welding process is ensured.
The invention has the following beneficial effects: (1) the controller 2 is used for realizing the coordination work among the conveying mechanism 3, the first feeding mechanism 4, the second feeding mechanism 11, the third feeding mechanism 12, the first grabbing mechanism 8, the second grabbing mechanism 6, the first ultrasonic welding component 5, the second ultrasonic welding component 7 and the lifting mechanism 13, realizing the automatic high-efficiency welding of the pipe head and the pipe nozzle at the two ends of the pipe body, and having less manpower and lower production cost; (2) the conveying of the pipe bodies is realized by correspondingly arranging a plurality of M-shaped placing parts 35 on a group of chains 34 of the conveying mechanism, so that the high-efficiency and stable conveying of the pipe bodies is realized; (3) the ordered arrangement of the pipe bodies is realized by arranging the discharge rail 42 which only allows a single pipe body to pass through at the bottom of the hopper 41, and the rotating rod 43 with the cubic shifting block 44 is arranged to guide the pipe bodies in the hopper to enter the discharge rail, so that the design is reasonable and ingenious; (4) the first cylinder 45 drives the first partition plate 47 and the second partition plate 49 which are parallel to each other to reciprocate, so that the pipe bodies in the discharge rail 42 fall on the corresponding M-shaped placing part 35 of the conveying mechanism one by one as required, wherein the front end of the first partition plate, which is far away from the first cylinder, corresponds to the rear end of the second partition plate, the distance between the first partition plate and the second partition plate is equal to the diameter of the pipe bodies, the pipe bodies are orderly and uniformly fallen on the M-shaped placing part through the sequential separation of the first partition plate and the second partition plate, the coordination effect is good, the first arc-shaped groove 48 is arranged on the first partition plate to ensure that the pipe bodies cannot randomly roll when falling on the first partition plate 47, and the second arc-shaped groove 410 is arranged on the second partition plate 49 to ensure that the pipe bodies cannot randomly roll when falling on the second partition plate, so that good separation is realized; (5) the first ultrasonic welding device 54 is arranged on the first pushing cylinder 51, the second pushing cylinder 55 corresponding to the welding end of the first ultrasonic welding device is arranged, so that the pipe body and the pipe nozzle are clamped in a matched mode during welding, sealed ultrasonic welding is achieved, welding airtightness is guaranteed, the welding effect is good, the sealing head 58 with the compression spring 57 is arranged at the piston end of the second pushing cylinder, the pipe body with slightly deviated length can still be well applied, stable matched clamping is achieved, and application flexibility is good; the pipe body and the pipe head are clamped in a matching way by arranging a second ultrasonic welding assembly 7 with the same structure as the first ultrasonic welding assembly; (6) the second grabbing mechanism 6 and the first grabbing mechanism 8 are designed to be a combined structure of the rodless cylinder 62, the three-rod cylinder 64 and the pneumatic manipulator 65, coordination and coordination are realized through the controller, the pipe head and the pipe nozzle are grabbed efficiently, the automation degree is good, and the working efficiency is high; (7) the pipe head entering the third arc-shaped conveying rail 1110 is adjusted through the second arc-shaped conveying rail 119 with an arc groove structure, the upper end of the third arc-shaped conveying rail is arranged to be lower than the bottom of the second arc-shaped conveying rail, so that the pipe head can be well adjusted to enter the third arc-shaped conveying rail, the third arc-shaped conveying rail is designed to be a structure with two arc-shaped rods 1111 arranged in parallel, under the action of self gravity, the pipe head is only provided with a part with a diameter larger than the distance between the two arc-shaped rods and a heavier weight, and the other parts are in a suspended state, so that the adjustment and transportation of the pipe head are realized, the height of the fourth arc-shaped bottom plate 1113 is designed to be lower than the upper surface of the third arc-shaped conveying rail, so that the pipe heads entering the fourth arc-shaped conveying rail 1112 from the third arc-shaped conveying rail are arranged in a sequence with the heavier end in front, and the input end of the, the pipe heads on the fourth arc-shaped conveying track can smoothly enter the fifth arc-shaped conveying track 1115, the notches 1120 are formed in the input end of the fifth arc-shaped bottom plate 1118 and the input end of the fifth arc-shaped side plate 1119, the inner side of the fifth arc-shaped bottom plate is inclined upwards, the reasonable number of the conveying pipe heads is ensured, the pipe heads exceeding the conveying number slide out of the notches or the positions inclined downwards from the fifth arc-shaped bottom plate and fall into the second outer disc part 113, the conveying effect is good, and the conveying efficiency is high; (8) the second slide rail 129 is arranged, the baffle 1210 corresponding to the inlet of the second slide rail is arranged, and the inlet state of the nozzle is adjusted according to the special design of the weight and the shape characteristics of the nozzle, so that the nozzles entering the second slide rail are all in a conveying state with a heavier large head end in front, and the adjusting effect is better; by designing the inner side of the third arc bottom plate 1313 to be zigzag, according to the structural design of the nozzles, the nozzles can be properly screened in the conveying process, and the nozzles which do not meet the requirements drop into the third outer disc part 123 at the zigzag, so that the nozzles passing through the third arc conveying rail 1212 are guaranteed to be products which completely meet the requirements; the fourth linear bottom plate 1216 is arranged at the side part of the output end of the third arc bottom plate 1313, the fourth linear bottom plate and the third arc bottom plate are positioned on the same horizontal plane, and the inner side of the third arc bottom plate is inclined upwards, so that the nozzles in the third arc conveying rail enter the fourth linear conveying rail 1215 in a gravity sliding mode, the number of the nozzles entering the fourth linear conveying rail is reasonable, the adjusting effect on the nozzles is good, and the conveying efficiency is high; (9) the lifting cylinder 131 drives the supporting block 133 with the supporting groove 134 to move up and down to be matched with the fixing groove 137 on the fixing strip 136, so that the tube body on the M-shaped placing part can be well pushed and fixed, the overall welding effect of the serum pipette is ensured, and the sealing performance is good; (10) the driving cylinder 92 drives the driving piece 95 to move, so that the driving piece is matched with the ratchet wheel 91, the driving piece drives the ratchet wheel to move intermittently, so that intermittent welding of the serological pipette is realized, the driving speed is controllable through the driving cylinder, and the driving effect is good; the pawl 910 can automatically return after driving the ratchet 91 through the torsion spring 98, so that the one-way driving effect on the ratchet is better; the disc blocking block 143 can well block the tube head and the tube nozzle, when the disc blocking block is pushed, the spring 144 can well realize the return of the disc blocking block and continue to block the tube head and the tube nozzle, the structure is simple, the design is ingenious, and the blocking effect is good; the rectangular opening 101 serves as an inlet of the collecting hopper 10, and the serological pipette welded to the M-shaped placing part can be preferably detached and slid into the collecting hopper.

Claims (9)

1. Full-automatic ultrasonic welding mechanism of serum pipette, characterized by: the ultrasonic welding machine comprises a rack (1), a controller (2) arranged on the rack and a conveying mechanism (3) arranged on the rack, wherein a first feeding mechanism (4) positioned at the input end of the conveying mechanism, a first ultrasonic welding component (5) positioned on one side of the conveying mechanism, a second ultrasonic welding component (7) positioned on the other side of the conveying mechanism and a first grabbing mechanism (8) positioned above one side of the conveying mechanism are sequentially arranged on the rack along the conveying direction of the conveying mechanism, a second feeding mechanism (11) corresponding to the first grabbing mechanism is arranged on one side of the rack where the first grabbing mechanism is positioned, and a lifting mechanism (13) is arranged on the rack; the first feeding mechanism comprises a hopper (41) and a discharge track (42) arranged at the bottom of the hopper, a rotating rod (43) is arranged on the hopper, a cubic shifting block (44) is arranged on the rotating rod, the position of the cubic shifting block corresponds to the discharge track, the end part of the rotating rod is connected with the driven shaft through a second chain wheel and a matching structure of a second chain, a first air cylinder (45) is arranged below the hopper on the rack, a first push plate (46) is arranged on a piston rod of the first air cylinder, a first baffle plate (47) is arranged on the first push plate, a first arc-shaped groove (48) is arranged on the first baffle plate, a second baffle plate (49) is arranged at the bottom of the first baffle plate, a second arc-shaped groove (410) is arranged on the second baffle plate, the distance between the first baffle plate and the second baffle plate is equal to the pipe diameter of a serum pipette, and the discharge, the discharge hole of the discharge rail corresponds to the M-shaped placing part; the second ultrasonic welding assembly comprises a first pushing cylinder (51) and a support plate (52) which are arranged on the rack, the first pushing cylinder and the support plate are distributed on two sides of the conveying mechanism, a support plate (53) is arranged on a piston rod of the first pushing cylinder, a first ultrasonic welder (54) is arranged on the support plate, a second pushing cylinder (55) corresponding to the first ultrasonic welder is arranged on the support plate, an installation sleeve (56) is arranged at the end part of a piston rod of the second pushing cylinder, and a sealing head (58) matched with the end part of the serum pipette is arranged in the installation sleeve through a compression spring (57); the first grabbing mechanism comprises a fixing plate (61) arranged on the rack and a rodless cylinder (62) obliquely arranged on the fixing plate, a fixing block (63) is arranged on a piston of the rodless cylinder, a three-rod cylinder (64) is arranged on the fixing block, a pneumatic manipulator (65) is arranged at the end part of a piston rod of the three-rod cylinder, a clamping block (66) is arranged at the arm part of the pneumatic manipulator, and a clamping groove (67) matched with the end part of the serum pipette is arranged on the clamping block; the second feeding mechanism comprises a second vibrating mechanism (111) and a second material tray (112) arranged on the second vibrating mechanism, the second material tray is composed of a second outer tray part (113) and a second inner tray part (114) positioned in the second outer tray part, a second feeding hole communicated with the second outer tray part is formed in the side wall of the second inner tray part, a second spiral conveying plate (115) which gradually inclines upwards is arranged on the inner wall of the second inner tray part, the inner side of the second spiral conveying plate inclines upwards, the output end of the second spiral conveying plate is connected with a first arc-shaped conveying track (116), the first arc-shaped conveying track is composed of a first arc-shaped bottom plate (117) which inclines upwards and a first arc-shaped side plate (118) which is vertically arranged, the output end of the first arc-shaped conveying track is connected with a second arc-shaped conveying track (119), and the second arc-shaped conveying track is positioned in the second outer tray part, the second arc-shaped conveying track is of an arc groove structure from an input end to an output end, the output end of the second arc-shaped conveying track is connected with a third arc-shaped conveying track (1110), the upper end of the third arc-shaped conveying track is lower than the bottom of the second arc-shaped conveying track, the third arc-shaped conveying track is composed of two arc-shaped rods (1111), a conveying track is formed by the parts between the two arc-shaped rods, the distance between the two arc-shaped rods is smaller than the maximum diameter of a serum pipette end head, the output end of the third arc-shaped conveying track is connected with a fourth arc-shaped conveying track (1112), the fourth arc-shaped conveying track is composed of a fourth arc-shaped bottom plate (1113) with horizontal bottom and two fourth arc-shaped side plates (1114) vertically arranged on the fourth arc-shaped bottom plate, and the height of the fourth arc-shaped bottom plate is lower than the upper, the output end of the fourth arc-shaped conveying track is connected with a fifth arc-shaped conveying track (1115), the fifth arc-shaped conveying track is composed of a fifth arc-shaped section (1116) and a fifth straight-line section (1117), the fifth arc-shaped section comprises a fifth arc-shaped bottom plate (1118) and a fifth arc-shaped side plate (1119) arranged on the inner side of the fifth arc-shaped bottom plate, a notch (1120) is formed in the input end of the fifth arc-shaped bottom plate and the input end of the fifth arc-shaped side plate, the inner side of the fifth arc-shaped bottom plate inclines upwards, the input end of the fifth arc-shaped bottom plate is of a downward-inclined arc groove structure, the input end of the fifth arc-shaped bottom plate is connected with the fourth arc-shaped conveying track, the input end of the fifth arc-shaped side plate bends towards one side of the second inner disc part, the fifth straight-line section comprises a fifth horizontal bottom plate (1121), fifth side plates (1122) arranged on two sides of the fifth horizontal bottom plate and a, the fifth side plate is connected with the fifth arc-shaped side plate, and the fifth horizontal bottom plate is connected with the fifth arc-shaped bottom plate; the lifting mechanism comprises a lifting cylinder (131) and an I-shaped lifting plate (132) arranged on a piston rod of the lifting cylinder, the I-shaped lifting plate is positioned at the lower part of the conveying mechanism, supporting blocks (133) are arranged at four end parts of the I-shaped lifting plate, supporting grooves (134) are arranged on the supporting blocks, an I-shaped fixing plate (135) corresponding to the I-shaped lifting plate is arranged on the rack, two fixing strips (136) are arranged on the I-shaped fixing plate, fixing grooves (137) are arranged on the fixing strips, and the fixing grooves correspond to the supporting grooves; be equipped with on the fixed plate and block mechanism (14), block mechanism includes that U-shaped installation piece (141) and activity set up the pole (142) that blocks on the U-shaped installation piece, the both ends that block the pole all are equipped with the disc and block piece (143), and the disc that is close to fifth arc delivery track one side blocks that the piece is corresponding with fifth arc delivery track's output, it is equipped with spring (144) on the pole to block, the spring is being located the orbital position of being close to fifth arc delivery track stopping the pole.
2. The fully automatic ultrasonic welding mechanism for serological pipettes of claim 1, wherein: the track width of ejection of compact track is greater than the pipe diameter of a serum pipette, the track width of ejection of compact track is less than the pipe diameter of two serum pipettes.
3. The fully automatic ultrasonic welding mechanism for serological pipettes of claim 1 or 2, wherein: the discharging track is composed of two sliding chutes which are positioned at the bottom of the hopper and correspond to each other.
4. The fully automatic ultrasonic welding mechanism for serological pipettes of claim 1 or 2, wherein: the cubic shifting blocks are in a group and are plastic cubic shifting blocks.
5. The fully automatic ultrasonic welding mechanism for serological pipettes of claim 1 or 2, wherein: the fixed plate is L-shaped, and reinforcing ribs (68) are arranged at corners of the fixed plate.
6. The fully automatic ultrasonic welding mechanism for serological pipettes of claim 1 or 2, wherein: the clamping block is a plastic clamping block.
7. The fully automatic ultrasonic welding mechanism for serological pipettes of claim 1 or 2, wherein: the second vibration mechanism comprises a second pulse electromagnet (1124) and a second base (1125) arranged at the end part of the second pulse electromagnet, and the upper end of the second base is connected with the second material tray through a second spring plate (1126).
8. The fully automatic ultrasonic welding mechanism for serological pipettes of claim 1 or 2, wherein: the width of the first arc-shaped bottom plate is gradually reduced from the input end to the output end.
9. The fully automatic ultrasonic welding mechanism for serological pipettes of claim 1 or 2, wherein: the fifth side plate and the fifth arc-shaped side plate are of an integrated structure, and the fifth horizontal bottom plate and the fifth arc-shaped bottom plate are of an integrated structure.
CN201810542550.4A 2018-05-30 2018-05-30 Full-automatic ultrasonic welding mechanism of serum pipette Active CN108672915B (en)

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CN112895468B (en) * 2021-01-16 2022-07-05 上海浦雄实业有限公司 High-frequency welding and assembling integrated machine for medical blood transfusion device
CN114161619B (en) * 2021-11-30 2024-01-30 天津绿展环保科技有限公司 Feeding control system for waste plastic bucket treatment line

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CN103612389A (en) * 2013-10-28 2014-03-05 浙江立博生物技术有限公司 Special pipette production apparatus and production technology thereof
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CN2863470Y (en) * 2005-12-14 2007-01-31 宏乙精机股份有限公司 Printer with positioning device
CN101508196A (en) * 2009-03-24 2009-08-19 袁建华 Full-automatic pipette double-color silk-screen device
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