CN110561116A - Automatic wire feeding and welding integrated machine and operation method thereof - Google Patents

Automatic wire feeding and welding integrated machine and operation method thereof Download PDF

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Publication number
CN110561116A
CN110561116A CN201910858331.1A CN201910858331A CN110561116A CN 110561116 A CN110561116 A CN 110561116A CN 201910858331 A CN201910858331 A CN 201910858331A CN 110561116 A CN110561116 A CN 110561116A
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China
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wire
feeding
feeding mechanism
welding
clamping
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Chinese (zh)
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胡加保
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Wuhan Qidianxin Intelligent Technology Co Ltd
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Wuhan Qidianxin Intelligent Technology Co Ltd
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Priority to CN201910858331.1A priority Critical patent/CN110561116A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass

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  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)

Abstract

The invention discloses an automatic wire feeding and welding integrated machine and an operation method thereof, relating to the technical field of thermocouple manufacturing and comprising a first wire receiving and feeding mechanism, a second wire feeding mechanism, a spot welding mechanism, a clamping mechanism and a workbench; the first wire collecting and feeding mechanism, the second wire feeding mechanism, the spot welding mechanism and the clamping mechanism are all arranged on the workbench, and the first wire collecting and feeding mechanism and the second wire feeding mechanism are all connected to the clamping mechanism and form an included angle not greater than 60 degrees; the spot welding mechanism is respectively connected with the second wire feeding mechanism and the clamping mechanism, the clamping mechanism is connected with the feeding mechanism, the feeding mechanism is arranged on the workbench, and the feeding mechanism is connected with the material storage mechanism; the invention can realize that the thermocouple wire penetrates through the quartz tube, is centered, welded and cut the wire and is automatically finished at one time, the length is accurately controlled, the metal waste is avoided, the thermocouple product quality is improved, the labor intensity of workers is reduced, and the invention is suitable for large-scale automatic production.

Description

automatic wire feeding and welding integrated machine and operation method thereof
Technical Field
the invention relates to the technical field of thermocouple manufacturing, in particular to an automatic wire-feeding and welding all-in-one machine and an operation method thereof.
background
the thermocouple is used as a temperature sensor, and has the characteristics of wide temperature measuring range, high sensitivity, stability, reliability, good interchangeability, low price and the like, and is widely applied to various fields of national economic development. The thermocouple is a commonly used temperature measuring element in a temperature measuring instrument, directly measures temperature, converts a temperature signal into a thermal electromotive force signal, and converts the thermal electromotive force signal into the temperature of a measured medium through an electric instrument. The thermocouple has a wide application range in the industrial field, and has various structural forms according to different application environments.
the processing quality of the thermocouple directly influences the precision, stability and product cost of thermocouple temperature measurement. In recent years, along with the rapid development of the metallurgical industry in China, the requirements on the accuracy and the stability of the temperature measurement of molten steel are higher and higher, so that the requirements on the quantity and the quality of rapid consumption type thermocouples are also improved. At present, most thermocouple manufacturers adopt manual operation for welding, thermocouple wire threading through quartz tubes, shearing and other processes, so that the production efficiency is low, the production cost is high, and the processing quality is not easy to control. The invention adopts an electromechanical integrated device to realize that the thermocouple wire penetrates through the quartz tube, the centering, the welding and the wire cutting are all automatically completed at one time, thereby effectively avoiding the defects of the manual processing mode.
disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an automatic wire-feeding and welding all-in-one machine and an operation method thereof.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
an automatic wire feeding and welding integrated machine comprises a first wire collecting and feeding mechanism, a second wire feeding mechanism, a spot welding mechanism, a clamping mechanism and a workbench;
The first wire collecting and feeding mechanism, the second wire feeding mechanism, the spot welding mechanism and the clamping mechanism are all arranged on the workbench, the first wire collecting and feeding mechanism and the second wire feeding mechanism are all connected to the clamping mechanism, and the first wire collecting and feeding mechanism and the second wire feeding mechanism form an included angle not greater than 60 degrees; the spot welding mechanism is respectively connected with the second wire feeding mechanism and the clamping mechanism, the clamping mechanism is connected with the feeding mechanism, the feeding mechanism is arranged on the workbench, and the feeding mechanism is connected with the material storage mechanism.
on the basis of the technical scheme, the first wire receiving and feeding mechanism sequentially comprises a first wire storage device, a first wire supporting device, a first wire smoothing device, an air clamp, a wire holding device and a wire receiving and feeding device, and is also provided with a first lead screw and a third step motor;
The wire collecting and feeding device is connected with a first lead screw and comprises a first stepping motor, a wire feeding wheel set and a guide pipe, the first lead screw is connected with a third stepping motor, the first stepping motor provides power for the wire collecting and feeding device, and when the first stepping motor rotates, the wire feeding wheel set drives the thermocouple wires to advance or retreat; a third step of driving a first lead screw by a motor;
the first wire supporting device provides tension for the thermocouple wires and enables the thermocouple wires to keep a tensioned state; the first wire smoother clamps the thermocouple wires through the friction plates and levels the thermocouple wires;
the wire feeding wheel set pushes the thermocouple wires into the guide pipe, and the thermocouple wires sequentially penetrate through the guide pipe and the U-shaped pipe and then enter the spot welding mechanism.
on the basis of the technical scheme, the first wire storage device further comprises a first wire storage motor and a first wire storage wheel, and the first wire storage motor is connected with the first wire storage wheel; the first wire storage motor is arranged on the axial rod of the first wire storage wheel, and the first wire storage wheel is used for winding and storing the thermocouple wires;
the first wire supporting device comprises at least 3 first wire winding wheels; the first wire smoothing device comprises a first upper clamping plate and a first lower clamping plate, and the wire retaining device comprises a wire retaining spring and at least 2 wire retaining wheels.
On the basis of the technical scheme, the second wire feeding mechanism sequentially comprises a second stepping motor, a second wire storage device, a second lead screw, a second wire supporter and a second wire smoother;
the second screw rod is connected with a second stepping motor, and the second stepping motor controls the second screw rod to move forwards and backwards and drives the second wire feeding mechanism to move forwards and backwards;
the second wire supporting device provides tension for the thermocouple wires and enables the thermocouple wires to keep a tensioned state; the second wire smoothing device clamps the thermocouple wires through the friction plate and levels the thermocouple wires.
on the basis of the technical scheme, the second wire storage device further comprises a second wire storage motor and a second wire storage wheel, and the second wire storage motor is connected with the second wire storage wheel; the second wire storage motor is arranged on the second wire storage wheel axial rod, and the second wire storage wheel is used for winding and storing the thermocouple wires;
the second wire supporting device comprises at least 3 second wire winding wheels; the second wire straightener comprises a second upper splint and a second lower splint.
on the basis of the technical scheme, the spot welding mechanism comprises an electric welding machine and a second knife switch, and the workbench is also provided with a processing base and a case;
the second knife switch is arranged between the second wire feeding mechanism and the electric welding machine, and the processing base is arranged below the case.
on the basis of the technical scheme, the clamping mechanism further comprises a clamping piece, a first knife switch and a detection device;
the clamping piece fixes the U-shaped quartz tube, and when a welding point of the thermocouple wire is located at the curvature center of the U-shaped quartz tube, the first knife switch is started to cut off the thermocouple wire located in the first knife switch.
On the basis of the technical scheme, the feeding mechanism further comprises a material clamping device, a third screw rod and a fourth stepping motor; the material clamping device comprises a clamping head, a rotating disc and a fixed seat;
the material clamping device clamps the U-shaped pipe, the third screw rod controls the material clamping device to carry out material taking and receiving operation, and the fourth stepping motor drives the third screw rod and controls the moving distance and the moving direction of the material clamping device.
On the basis of the technical scheme, the material storage mechanism is also provided with a feeding slide bar, a material fixing device and a vibration disc, wherein the material fixing device is arranged on the workbench;
The storage mechanism is also provided with a storage base, and the vibration disc is arranged on the storage base;
The feeding slide bar is respectively connected with the material fixing device and the vibration disc, the vibration disc sends the U-shaped pipe to the feeding slide bar, and the U-shaped pipe slides into the material fixing device along the feeding slide bar.
On the basis of the technical scheme, the operation method of the automatic wire-threading and welding integrated machine comprises the following steps:
Step 1: placing the U-shaped pipe material in a vibrating tray, and placing a thermocouple wire to an initial position in a first wire receiving and feeding mechanism and a second wire feeding mechanism; starting a power switch, and checking the power-on state of the equipment;
Step 2: the vibration disc sends the U-shaped pipe to the feeding slide bar, the U-shaped pipe slides into the material fixing device along the feeding slide bar, the fourth stepping motor is started, a third screw rod drives the material clamping device to the material fixing device, the chuck clamps the U-shaped pipe, after the rotation disc is started and rotates 180 degrees, the fourth stepping motor is started and controls the third screw rod to send the material clamping device to the clamping mechanism, and the clamping piece fixes the U-shaped pipe;
and step 3: starting a first stepping motor to drive a thermocouple wire to sequentially penetrate through the guide pipe and the U-shaped pipe and enter the spot welding mechanism; the second stepping motor is started and drives a second lead screw to enable the second wire feeding mechanism to move towards the spot welding mechanism, and after the thermocouple wires in the second wire feeding mechanism enter the spot welding mechanism, the two thermocouple wires are lapped;
and 4, step 4: the spot welding mechanism performs welding, and the welding position of the thermocouple wire is a welding point;
And 5: the gas clamp clamps the thermocouple wires, the third step motor is started and enables the first lead screw to move reversely, so that the wire collecting and feeding device retreats for a certain distance relative to the clamping mechanism, the third step motor stops, the first step motor is started to drive the thermocouple wires to retreat to the wire holding device for temporary storage, and when the welding point is located at the curvature center of the U-shaped pipe, the first step motor stops;
Step 6: the first knife switch and the second knife switch are respectively started and cut off the thermocouple wires, the clamping piece is opened, the feeding mechanism clamps the U-shaped pipe and retreats for a certain distance, the clamping piece clamps the thermocouple wires extending out of the pipe orifice of the U-shaped pipe again, the clamping piece is electrified, and the detection device is started;
And 7: starting a third screw rod, and respectively conveying finished products to different discharging ports by the material clamping device according to a detection result;
and 8: all the parts return to the initial positions;
And step 9: and (5) repeating the steps 1 to 8 until all product processing is finished.
compared with the prior art, the invention has the advantages that:
(1) compared with the prior art, the automatic wire-threading and welding integrated machine can overcome the defects of a manual welding process, achieves the purpose of reliably, stably and efficiently welding two metal wires made of different materials, can replace two process steps of wire threading and welding at the same time, and greatly improves the working efficiency.
(2) the automatic wire-feeding and welding integrated machine can accurately adjust the position of a welding point, can effectively control the size of the welding point, improves the quality of thermocouple products, reduces the labor intensity of workers, and is suitable for large-scale automatic production.
Drawings
Fig. 1 is a schematic top view of an automatic wire feeding and welding integrated machine according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of an automatic wire-threading and welding integrated machine according to an embodiment of the invention;
FIG. 3 is a schematic view of the overall structure of an automatic wire feeding and welding integrated machine in the embodiment of the invention;
FIG. 4 is a schematic structural view of a first filament winding and feeding mechanism according to an embodiment of the present disclosure;
FIG. 5 is a schematic view of a second wire feeder configuration in accordance with an embodiment of the present invention;
FIG. 6 is a schematic view of a spot welding mechanism in an embodiment of the present invention;
FIG. 7 is a schematic view of a feeding mechanism according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of a magazine mechanism in an embodiment of the present invention;
FIG. 9 is a schematic view of a first filament storage device according to an embodiment of the present invention;
FIG. 10 is a schematic view of a second filament storage device according to an embodiment of the present invention;
FIG. 11 is a schematic structural view of a first wire stretcher according to an embodiment of the invention;
FIG. 12 is a schematic structural view of a second wire supporter according to an embodiment of the present invention;
FIG. 13 is a schematic structural view of a first wire straightener in an embodiment of the invention;
FIG. 14 is a schematic structural view of a second wire straightener in an embodiment of the invention;
FIG. 15 is a schematic structural view of an air clamp according to an embodiment of the present invention;
FIG. 16 is a schematic illustration of a filament holder in an embodiment of the present invention;
FIG. 17 is a schematic structural view of a filament receiving and feeding device according to an embodiment of the present invention;
FIG. 18 is a schematic view of a clamping mechanism according to an embodiment of the present invention;
FIG. 19 is a schematic view of a material loading device according to an embodiment of the present invention.
in the figure: 1-a first wire collecting and feeding mechanism, 11-a first wire storing device, 111-a first wire storing motor, 112-a first wire storing wheel, 12-a first lead screw, 13-a first wire supporting device, 131-a first wire winding wheel, 14-a first wire smoothing device, 141-a first upper clamping plate, 142-a first lower clamping plate, 15-a wire holding device, 151-a wire holding wheel, 152-a wire holding spring, 16-a wire collecting and feeding device, 161-a first step motor, 162-a wire feeding wheel group, 163-a guide pipe, 17-a third step motor, 2-a second wire feeding mechanism, 21-a second wire storing device, 211-a second wire storing motor, 212-a second wire storing wheel, 22-a second lead screw, 23-a second wire supporting device, 231-a second wire winding wheel, 24-a second wire smoothing device, 241-a second upper clamping plate, 242-a second lower clamping plate, 25-a second stepping motor, 3-a spot welding mechanism, 31-an electric welding machine, 32-a second knife switch, 4-a clamping mechanism, 41-a clamping piece, 42-a first knife switch, 43-a detection device, 5-a feeding mechanism, 51-a clamping device, 511-a chuck, 512-a rotating disc, 513-a fixed seat, 52-a third screw rod, 53-a fourth stepping motor, 6-a storage mechanism, 61-a feeding sliding rod, 62-a material fixing device, 63-a vibrating disc, 7-a workbench, 8-a processing base, 9-a first thermocouple wire, 10-a second thermocouple wire, 19-an air clamp, 20-a case and 30-a storage base.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
referring to fig. 1 and fig. 2, an automatic wire feeding and welding integrated machine according to an embodiment of the present invention includes a first wire feeding and collecting mechanism 1, a second wire feeding mechanism 2, a spot welding mechanism 3, a clamping mechanism 4, and a workbench 7;
the first wire collecting and feeding mechanism 1, the second wire feeding mechanism 2, the spot welding mechanism 3 and the clamping mechanism 4 are all arranged on the workbench 7, the first wire collecting and feeding mechanism 1 and the second wire feeding mechanism 2 are all connected to the clamping mechanism 4, and an included angle of not more than 60 degrees is formed between the first wire collecting and feeding mechanism 1 and the second wire feeding mechanism 2; the spot welding mechanism 3 is respectively connected with the second wire feeding mechanism 2 and the clamping mechanism 4, the clamping mechanism 4 is connected with the feeding mechanism 5, the feeding mechanism 5 is arranged on the workbench 7, and the feeding mechanism 5 is connected with the material storing mechanism 6;
The first wire receiving and feeding mechanism 1 pushes the thermocouple wires to pass through the U-shaped pipe and enter the spot welding mechanism 3, and the first wire receiving and feeding mechanism 1 and the second wire feeding mechanism 2 respectively convey the thermocouple wires into the spot welding mechanism 3 for cross lapping.
Referring to fig. 4, the first wire collecting and feeding mechanism 1 sequentially comprises a first wire storage device 11, a first wire supporting device 13, a first wire smoothing device 14, an air clamp 19, a wire holding device 15, a wire collecting and feeding device 16, and the first wire collecting and feeding mechanism 1 further comprises a first lead screw 12 and a third stepping motor 17.
The wire collecting and feeding device 16 is connected to the first lead screw 12, as shown in fig. 17, the wire collecting and feeding device 16 includes a first stepping motor 161, a wire feeding wheel set 162 and a guide pipe 163, the first lead screw 12 is connected to the third stepping motor 17, the first stepping motor 161 provides power for the wire collecting and feeding device 16, and when the first stepping motor 161 rotates, the wire feeding wheel set 162 drives the thermocouple wire to move forward or backward; the third stepping motor 17 drives the first lead screw 12;
the first lead screw 12 accurately controls the movement displacement of the receiving and feeding electric coupling wire of the first receiving and feeding mechanism 1, and accurate control of product processing is realized.
The first wire supporting device 13 provides tension for the thermocouple wires and keeps the thermocouple wires in a tensioned state; the first wire straightener 14 clamps the thermocouple wires through the friction plates and levels the thermocouple wires;
the wire feeding wheel set 162 pushes the thermocouple wire into the guide pipe 163, the thermocouple wire sequentially passes through the guide pipe 163 and the U-shaped pipe and then enters the spot welding mechanism 3, after welding is completed, the gas clamp 19 is started and clamps the thermocouple wire, and the first stepping motor 161 rotates reversely to enable the wire feeding wheel set 162 to pull the thermocouple wire to enter the wire retaining device 15 for temporary storage.
The air clamp 19 clamps the thermocouple wires, so that the thermocouple wires can be effectively prevented from being knotted and crossed in the first wire supporting device 13 after the first stepping motor 161 rotates reversely, and the next operation is influenced.
referring to fig. 9, the first wire storage device 11 further includes a first wire storage motor 111 and a first wire storage wheel 112, and the first wire storage motor 111 is connected to the first wire storage wheel 112; the first wire storage motor 111 is arranged on an axial rod of the first wire storage wheel 112, and the first wire storage wheel 112 is used for winding and storing a thermocouple wire;
Referring to fig. 11, the first wire supporter 13 includes at least 3 first winding wheels 131; referring to fig. 13, the first wire straightener 14 comprises a first upper clamp plate 141 and a first lower clamp plate 142, and referring to fig. 16, the wire straightener 15 comprises a wire standing spring 152 and at least 2 wire standing wheels 151.
the wire holding wheel 151 plays a guiding role for the thermocouple wires, and in the retreating process of the thermocouple wires, the wire holding spring 152 applies tension to the thermocouple wires, so that the wire holding device 15 plays a role in temporarily storing the thermocouple wires, and the repeated processing process of the thermocouple is ensured to be smoothly carried out.
referring to fig. 5, the second wire feeding mechanism 2 sequentially includes a second stepping motor 25, a second wire storage device 21, a second lead screw 22, a second wire supporter 23, and a second wire smoother 24;
The second lead screw 22 is connected with a second stepping motor 25, and the second stepping motor 25 controls the second lead screw 22 to move forward and backward and drives the second wire feeding mechanism 2 to move forward and backward;
The second wire supporter 23 provides tension for the thermocouple wires and keeps the thermocouple wires in a tensioned state; the second wire smoother 24 clamps the thermocouple wires through the friction plates and levels the thermocouple wires;
the second lead screw 22 pushes the thermocouple wires into the spot welding mechanism 3 and is overlapped with the thermocouple wires pushed by the first wire receiving and feeding mechanism 1, and after the thermocouple wires are welded, the second lead screw 22 is started again to enable the second wire feeding mechanism 2 to recover the original position.
referring to fig. 10, the second wire storage device 21 further comprises a second wire storage motor 211 and a second wire storage wheel 212, wherein the second wire storage motor 211 is connected with the second wire storage wheel 212; the second wire storage motor 211 is arranged on the axial rod of the second wire storage wheel 212, and the second wire storage wheel 212 is used for winding and storing a thermocouple wire;
referring to fig. 12, the second filament supporting device 23 includes at least 3 second winding wheels 231; referring to fig. 14, the second wire straightener 24 includes a second upper plate 241 and a second lower plate 242.
Referring to fig. 16, the spot welding mechanism 3 includes an electric welding machine 31 and a second knife switch 32, and referring to fig. 11, the worktable 7 is further provided with a processing base 8 and a case 20;
The second knife switch 32 is arranged between the second wire feeder 2 and the welding machine 31;
after the two thermocouple wires are welded by the electric welding machine 31, when the welding point of the thermocouple wires enters the U-shaped pipe and is positioned at the curvature center of the U-shaped pipe, the second knife switch 32 is started and shears the thermocouple wires positioned in the position of the second knife switch 32.
as shown in fig. 18, the clamping mechanism 4 further includes a clamping member 41, a first blade 42 and a detecting device 43;
The clamping piece 41 fixes the U-shaped quartz tube, and when a welding point of the thermocouple wire is positioned at the curvature center of the U-shaped quartz tube, the first knife switch 42 is started and cuts off the thermocouple wire positioned in the first knife switch 42;
after welding is completed, the feeding mechanism 5 clamps the U-shaped pipe and retreats for a certain distance, the clamping piece 41 clamps the thermocouple wires extending out of the pipe orifice of the U-shaped pipe at the moment, the clamping piece 41 is electrified, the detection device 43 is started, the detection device 43 is used for detecting whether the thermocouples are qualified or not, and the processed products are placed in a classified mode according to detection results.
referring to fig. 7, the feeding mechanism 5 further includes a material clamper 51, a third lead screw 52 and a fourth stepping motor 53; referring to fig. 19, the clamper 51 includes a clamper 511, a rotary plate 512, and a fixed holder 513;
The material clamping device 51 clamps the U-shaped pipe, the third screw 52 controls the material clamping device 51 to take and receive materials, and the fourth stepping motor 53 drives the third screw 52 and controls the moving distance and direction of the material clamping device 51.
Referring to fig. 8, the storing mechanism 6 is further provided with a feeding slide bar 61, a material fixing device 62 and a vibrating disc 63, wherein the material fixing device 62 is arranged on the workbench 7; the storage mechanism 6 is also provided with a storage base 30, and a vibration disc 63 is arranged on the storage base 30; the feeding slide bar 61 is respectively connected with the material fixing device 62 and the vibration disc 63, the vibration disc 63 sends the U-shaped pipe to the feeding slide bar 61, and the U-shaped pipe slides into the material fixing device 62 along the feeding slide bar 61.
starting the vibration disc 63, under the regular vibration of the vibration disc 63, the U-shaped tubes sequentially enter the material fixing device 62 and slide down along the feeding slide bar 61, and then the material clamping device 51 performs material taking and receiving operation to complete the supplement of the U-shaped tubes.
the first stepping motor drives 161 to drive the wire feeding wheel 162, and the movable wire feeding wheel 162 drives the clamped couple wire to move forward or backward; a third step motor 17 drives a first lead screw 12, and the first lead screw 12 drives the first wire receiving and feeding mechanism 1 and the clamping mechanism 4 to generate relative position change; the second stepping motor 25 drives the second lead screw 22, and the second lead screw 22 drives the second wire feeding mechanism 2 and the clamping mechanism 4 to generate relative position change; the fourth stepping motor 53 drives the third lead screw 52, and the third lead screw 52 drives the material clamping device 51 to move back and forth.
the workbench 7 is provided with two discharging ports, and the two discharging ports are respectively arranged at the reciprocating track of the material clamping device 51 in the feeding mechanism 5, so that the material clamping device 51 can discharge materials in a classified manner.
an operation method of an automatic wire-feeding and welding integrated machine comprises the following steps:
Step 1: placing the U-shaped pipe in a vibrating tray 63, and placing electric wires in a first wire collecting and feeding mechanism 1 and a second wire feeding mechanism 2 to an initial position; starting a power switch, and checking the power-on state of the equipment;
Step 2: the U-shaped pipe is conveyed to the feeding slide rod 61 by the vibrating disc 63, the U-shaped pipe slides along the feeding slide rod 61 into the material fixing device 62, the fourth stepping motor 53 is started, the third screw rod 52 drives the material clamping device 51 to the material fixing device 62, the clamping head 511 clamps the U-shaped pipe, the rotating disc 512 is started and rotates 180 degrees, the fourth stepping motor 53 is started and controls the third screw rod 52 to convey the material clamping device 51 to the clamping mechanism 4, and the U-shaped pipe is fixed by the clamping piece 41;
and step 3: the first stepping motor 161 is started to drive the thermocouple wires to sequentially pass through the guide pipe 16 and the U-shaped pipe and enter the spot welding mechanism 3; the second stepping motor 25 is started and drives the second lead screw 22 to move the second wire feeding mechanism 2 to the spot welding mechanism 3, and the two electric couple wires are lapped after the electric couple wires in the second wire feeding mechanism 2 enter the spot welding mechanism 3;
the first wire feeding mechanism 1 and the second wire feeding mechanism 2 are arranged at an included angle, so that the spot welding quality of the thermocouple wires meets the requirements of the machining process and the practical use, the thermocouple wires are preset through the second wire feeding mechanism 2 and the thermocouple wire position in the second wire feeding mechanism, the electric welding position in the electric welding mechanism 3 is set in a limiting mode, and the thermocouple wires in the second wire feeding mechanism 2 can be lapped with the thermocouple wires in the first wire feeding mechanism 1 at a reasonable angle after entering the electric welding position of the electric welding mechanism 3.
The lead screw is to turn round movement into linear motion, has high accuracy, reversibility and efficient characteristics concurrently, and step motor has fine data control characteristic, and lead screw and step motor cooperation use can realize the accuracy nature of whole processing flow well, realize reliability, the high efficiency of production for the galvanic couple silk yields is high, very does benefit to large-scale production.
And 4, step 4: the spot welding mechanism 3 carries out welding, and the welding position of the thermocouple wires is a welding point;
and 5: the gas clamp 19 clamps the electric couple wire, the third step motor 17 is started and the first lead screw 12 is reversely moved, so that the wire collecting and feeding device 16 retreats for a certain distance relative to the clamping mechanism 4, the third step motor 17 is stopped, the first step motor 161 is started to drive the electric couple wire to retreat to the wire retaining device 15 for temporary storage, and when the welding point is positioned at the curvature center of the U-shaped pipe, the first step motor 161 is stopped;
Step 6: the first knife switch 42 and the second knife switch 32 are respectively started and cut the thermocouple wires, the clamping piece 41 is opened, the feeding mechanism 5 clamps the U-shaped pipe and retreats for a certain distance, the clamping piece 41 clamps the thermocouple wires extending out of the pipe orifice of the U-shaped pipe again, the clamping piece 41 is electrified, and the detection device 43 is started;
the detection device 43 judges whether the thermocouple meets the requirement of the finished product according to the electrifying condition.
And 7: the third screw 52 is started, and the material clamping device 51 respectively sends the finished products to different discharging ports according to the detection result;
and 8: all the parts return to the initial positions;
and step 9: and (5) repeating the steps 1 to 8 until all product processing is finished.
Compared with the prior art, the automatic wire-threading and welding integrated machine can overcome the defects of a manual welding process, achieves the purpose of reliably, stably and efficiently welding two metal wires made of different materials, can replace two process steps of wire threading and welding at the same time, and greatly improves the working efficiency. According to the invention, through the transformation of the traditional production and processing method of the thermocouple wire, the most complex processing process is integrated and automated, so that the production and quality inspection are completed automatically, only the production step executed by touch screen operation is needed in the whole process, the production efficiency is greatly improved, the personnel and the cost are simplified, and a good manual replacement function is achieved. The automatic wire-feeding and welding integrated machine can accurately adjust the position of a welding point, can effectively control the size of the welding point, improves the quality of thermocouple products, reduces the labor intensity of workers, and is suitable for large-scale automatic production.
the present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.

Claims (10)

1. The utility model provides an automatic wire feed welding all-in-one which characterized in that: comprises a first wire receiving and feeding mechanism (1), a second wire feeding mechanism (2), a spot welding mechanism (3), a clamping mechanism (4) and a workbench (7);
The first wire collecting and feeding mechanism (1), the second wire feeding mechanism (2), the spot welding mechanism (3) and the clamping mechanism (4) are arranged on the workbench (7), the first wire collecting and feeding mechanism (1) and the second wire feeding mechanism (2) are connected to the clamping mechanism (4), and an included angle of not more than 60 degrees is formed between the first wire collecting and feeding mechanism (1) and the second wire feeding mechanism (2); spot welding mechanism (3) are connected respectively second thread feeding mechanism (2) with fixture (4), fixture (4) are connected with feeding mechanism (5), feeding mechanism (5) set up in on workstation (7), feeding mechanism (5) are connected with storage mechanism (6).
2. the automatic threading and welding all-in-one machine of claim 1, characterized in that: the first wire receiving and feeding mechanism (1) sequentially comprises a first wire storage device (11), a first wire supporting device (13), a first wire smoothing device (14), an air clamp (19), a wire standing device (15) and a wire receiving and feeding device (16), and the first wire receiving and feeding mechanism (1) is further provided with a first lead screw (12) and a third step motor (17);
the wire collecting and feeding device (16) is connected with the first lead screw (12), the wire collecting and feeding device (16) comprises a first stepping motor (161), a wire feeding wheel set (162) and a guide pipe (163), the first lead screw (12) is connected with the third stepping motor (17), the first stepping motor (161) provides power for the wire collecting and feeding device (16), and when the first stepping motor (161) rotates, a galvanic wire is driven to advance or retreat through the wire feeding wheel set (162); a third step motor (17) drives the first lead screw (12);
the first wire supporting device (13) provides tension for the thermocouple wires and keeps the thermocouple wires in a tensioned state; the first wire straightener (14) clamps the thermocouple wires through the friction plates and levels the thermocouple wires;
the wire feeding wheel set (162) pushes a galvanic couple wire into the guide pipe (163), and the galvanic couple wire sequentially penetrates through the guide pipe (163) and the U-shaped pipe and then enters the spot welding mechanism (3).
3. The automatic threading and welding all-in-one machine of claim 2, characterized in that: the first wire storage device (11) further comprises a first wire storage motor (111) and a first wire storage wheel (112), and the first wire storage motor (111) is connected with the first wire storage wheel (112); the first wire storage motor (111) is arranged on the axial rod of the first wire storage wheel (112), and the first wire storage wheel (112) is used for winding and storing a thermocouple wire;
The first wire supporting device (13) comprises at least 3 first wire winding wheels (131); the first wire straightener (14) comprises a first upper clamping plate (141) and a first lower clamping plate (142), and the wire straightener (15) comprises a wire standing spring (152) and at least 2 wire standing wheels (151).
4. the automatic threading and welding all-in-one machine of claim 1, characterized in that: the second wire feeding mechanism (2) sequentially comprises a second stepping motor (25), a second wire storage device (21), a second lead screw (22), a second wire supporting device (23) and a second wire smoothing device (24);
the second lead screw (22) is connected with the second stepping motor (25), and the second stepping motor (25) controls the second lead screw (22) to move forwards and backwards and drives the second wire feeding mechanism (2) to move forwards and backwards;
the second wire supporting device (23) provides tension for the thermocouple wires and keeps the thermocouple wires in a tensioned state; the second wire straightener (24) clamps the thermocouple wires through the friction plates and levels the thermocouple wires.
5. The automatic threading and welding all-in-one machine of claim 4, characterized in that: the second wire storage device (21) further comprises a second wire storage motor (211) and a second wire storage wheel (212), and the second wire storage motor (211) is connected with the second wire storage wheel (212); the second wire storage motor (211) is arranged on the axial rod of the second wire storage wheel (212), and the second wire storage wheel (212) is used for winding and storing a thermocouple wire;
The second wire supporter (23) includes at least 3 second winding wheels (231); the second wire straightener (24) comprises a second upper clamping plate (241) and a second lower clamping plate (242).
6. The automatic threading and welding all-in-one machine of claim 1, characterized in that: the spot welding mechanism (3) comprises an electric welding machine (31) and a second knife switch (32), and the workbench (7) is also provided with a processing base (8) and a case (20);
the second knife switch (32) is arranged between the second wire feeding mechanism (2) and the electric welding machine (31), and the processing base (8) is arranged below the case (20).
7. the automatic threading and welding all-in-one machine of claim 1, characterized in that: the clamping mechanism (4) further comprises a clamping piece (41), a first knife switch (42) and a detection device (43);
the U-shaped quartz tube is fixed by the clamping piece (41), and when a welding point of the thermocouple wire is located at the curvature center of the U-shaped quartz tube, the first switch blade (42) is started and cuts the thermocouple wire located in the position of the first switch blade (42).
8. the automatic threading and welding all-in-one machine of claim 1, characterized in that: the feeding mechanism (5) further comprises a material clamping device (51), a third screw rod (52) and a fourth stepping motor (53); the material clamping device (51) comprises a clamping head (511), a rotating disc (512) and a fixed seat (513);
The U-shaped pipe is clamped by the material clamping device (51), the third screw rod (52) controls the material clamping device (51) to carry out material taking and receiving operations, and the fourth stepping motor (53) drives the third screw rod (52) and controls the moving distance and the moving direction of the material clamping device (51).
9. The automatic threading and welding all-in-one machine of claim 1, characterized in that: the material storage mechanism (6) is also provided with a feeding sliding rod (61), a material fixing device (62) and a vibration disc (63), and the material fixing device (62) is arranged on the workbench (7);
the storage mechanism (6) is also provided with a storage base (30), and a vibration disc (63) is arranged on the storage base (30);
the feeding slide bar (61) is respectively connected with the material fixing device (62) and the vibration disc (63), the vibration disc (63) sends the U-shaped tube to the feeding slide bar (61), and the U-shaped tube slides into the material fixing device (62) along the feeding slide bar (61).
10. An operation method of an automatic wire-feeding and welding integrated machine is characterized in that: the method comprises the following steps:
Step 1: placing the U-shaped pipe material in a vibrating disc (63), and placing a galvanic couple wire to an initial position in a first wire receiving and feeding mechanism (1) and a second wire feeding mechanism (2); starting a power switch, and checking the power-on state of the equipment;
step 2: the U-shaped pipe is conveyed to the feeding sliding rod (61) by the vibrating disc (63), the U-shaped pipe slides into the material fixing device (62) along the feeding sliding rod (61), the fourth stepping motor (53) is started, the third screw (52) drives the material clamping device (51) to the material fixing device (62), the chuck (511) clamps the U-shaped pipe, the rotating disc (512) is started and rotates for 180 degrees, the fourth stepping motor (53) is started and controls the third screw (52) to convey the material clamping device (51) to the clamping mechanism (4), and the U-shaped pipe is fixed by the clamping piece (41);
And step 3: the first stepping motor (161) is started to drive the thermocouple wires to sequentially penetrate through the guide pipe (16) and the U-shaped pipe and enter the spot welding mechanism (3); the second stepping motor (25) is started and drives a second lead screw (22) to enable the second wire feeding mechanism (2) to move towards the spot welding mechanism (3), and after the couple wire in the second wire feeding mechanism (2) enters the spot welding mechanism (3), the two couple wires are lapped;
and 4, step 4: the spot welding mechanism (3) performs welding, and the welding position of the thermocouple wires is a welding point;
And 5: the gas clamp (19) clamps the electric couple wire, the third step motor (17) is started and enables the first lead screw (12) to move reversely, so that the wire collecting and feeding device (16) retreats for a certain distance relative to the clamping mechanism (4), the third step motor (17) stops, the first step motor (161) is started to drive the electric couple wire to retreat to the wire holding device (15) for temporary storage, and when the welding point is located at the curvature center of the U-shaped pipe, the first step motor (161) stops;
step 6: the first knife switch (42) and the second knife switch (32) are respectively started and cut off the thermocouple wires, the clamping piece (41) is opened, the feeding mechanism (5) clamps the U-shaped pipe and retreats for a certain distance, the clamping piece (41) clamps the thermocouple wires extending out of the pipe orifice of the U-shaped pipe again, the clamping piece (41) is electrified, and the detection device (43) is started;
And 7: the third screw rod (52) is started, and the material clamping device (51) respectively sends finished products to different discharging ports according to the detection result;
and 8: all the parts return to the initial positions;
And step 9: and (5) repeating the steps 1 to 8 until all product processing is finished.
CN201910858331.1A 2019-09-11 2019-09-11 Automatic wire feeding and welding integrated machine and operation method thereof Pending CN110561116A (en)

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CN113385925A (en) * 2021-06-23 2021-09-14 华中科技大学 Micro thermocouple wire threading device and processing method
CN114619255A (en) * 2021-11-12 2022-06-14 武汉华枫传感技术有限责任公司 Welding poling all-in-one
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CN113385925A (en) * 2021-06-23 2021-09-14 华中科技大学 Micro thermocouple wire threading device and processing method
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CN115922173A (en) * 2023-03-15 2023-04-07 辛集市科鑫冶金设备有限公司 Thermocouple welding wire threading equipment

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