CN110449714A - Automate small stride feeding Miniature electric welding equipment - Google Patents
Automate small stride feeding Miniature electric welding equipment Download PDFInfo
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- CN110449714A CN110449714A CN201910787008.XA CN201910787008A CN110449714A CN 110449714 A CN110449714 A CN 110449714A CN 201910787008 A CN201910787008 A CN 201910787008A CN 110449714 A CN110449714 A CN 110449714A
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- electrode
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- rack
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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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/105—Stitch 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
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- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention belongs to electric welding equipment technical fields, are related to a kind of small stride feeding Miniature electric welding equipment of automation.The rotation of rack drives gear, drive eccentric stud eccentric rotary, axial line revolution and rotation of the external screw thread around transmission shaft, internal thread hole arounds the axial line of transmission shaft on one side translation facing forward on one side and revolves, driving hole passes through assemblage zone moving electrode component translation of Xiang Xiaing while translating forward along externally threaded axial line of vertical straight line guide rail, right-angled intersection sliding block peace linear guide, left electrode and right electrode are moved away from being pressed on electrode contact simultaneously after welding, while electrode assembly has pushed forward 3 millimeters.It rotates three circles, welding three times, has pushed forward 3 millimeters every time.The position that the present invention stops is accurate, the accurate size of translation, translates a screw pitch every time, control is simple, and the movement of system is simple, only one cylinder of dynamical element, after the source of welding current is connected, it is only necessary to control two automatically controlled points using a three-position four-way valve or three position five-way valve.
Description
Technical field
The invention belongs to electric welding equipment technical fields, are related to a kind of welding equipment of battery set electrode contact pin, and in particular to
A kind of small stride feeding Miniature electric welding equipment of automation.
Background technique
Same voltage big electric current in order to obtain, generally requires the parallel connection of the element cell of multiple same specifications and parameter
Get up to use, forms battery pack.Battery pack, using multiple element cells put together side by side, using electrode contact each
The identical electrodes of element cell weld, with regard to voltage in need between anode electrode contact pin and negative electrode contact pin.One
At least need to weld three positions between element cell and an electrode contact, it is just reliable in this way, even if there are two snapping, also
As soon as there is a solder joint to be to maintain connection, the probability being fully disconnected is smaller.The volume of element cell is generally smaller, unit electricity
The area of the electrode end surface in pond also very little, traditional human weld's poor reliability, faulty soldered joint is more, and working efficiency is low, cost of labor
It is again relatively high；In particular, the distance between three solder joints are smaller, general 3 millimeters or smaller, 3 millimeters are manually fast moved
Poor operability, manually stop position inaccuracy, welding electrode is pressed in other than solderable range sometimes, sometimes two solder joint weights
It is combined and burn-off phenomenon occurs and lead to occur hole on electrode contact, the irregular appearance matter for also influencing product of the discharge of solder joint
Amount, welding procedure have begun the development for hindering battery industry.
Summary of the invention
In place of improving the deficiencies in the prior art, the position for providing a kind of stop is accurate, translation
Accurate size, control is simple, the movement of system is simple, and the small stride of the few automation of dynamical element feeds Miniature electric welding equipment.
The present invention is achieved through the following technical solutions:
A kind of small stride feeding Miniature electric welding equipment of automation, including electrode assembly, right-angled intersection sliding block, transmission component, push
Swing arm, driving assembly and rack；
Electrode assembly includes translation supporting plate, left electrode assembly, right electrode assembly, left pressure spring, right pressure spring, flat line guide rail and electrode
Component spindle nose；
Left electrode assembly includes left electrode, left electrode coupling block and left electrode guide rod；Left electrode guide rod is fixedly connected in left electrode
The top of coupling block, the axial line vertical direction arrangement of left electrode guide rod；Left electrode is fixedly connected under left electrode coupling block
Side；It translates supporting plate and is equipped with left electrode pilot hole, left electrode guide rod and left electrode pilot hole are slidably matched and form prismatic pair；Left pressure
The lower end of spring compresses the upper surface of left electrode coupling block, and the upper end of left pressure spring compresses the lower end surface of left electrode pilot hole；In left pressure
Under the elastic pressure effect of spring, left electrode assembly is located at the bottom of stroke；One of electrode of left electrode and the source of welding current
It electrically connects；Left electrode guide rod rotates in left electrode pilot hole in order to prevent, can between left electrode guide rod and left electrode pilot hole
To use dive key to couple；
Right electrode assembly includes right electrode, right electrode coupling block and right electrode guide rod；Right electrode guide rod is fixedly connected in right electrode
The top of coupling block, the axial line vertical direction arrangement of right electrode guide rod；Right electrode is fixedly connected under right electrode coupling block
Side；It translates supporting plate and is equipped with right electrode pilot hole, right electrode guide rod and right electrode pilot hole are slidably matched and form prismatic pair；Right pressure
The lower end of spring compresses the upper surface of right electrode coupling block, and the upper end of right pressure spring compresses the lower end surface of right electrode pilot hole；In right pressure
Under the elastic pressure effect of spring, right electrode assembly is located at the bottom of stroke；Another electrode of right electrode and source of welding current electricity
Connection；Right electrode guide rod rotates in right electrode pilot hole in order to prevent, can be between right electrode guide rod and right electrode pilot hole
Coupled using dive key；The bottom of left electrode and the bottom of right electrode height are identical, in close proximity, but cannot connect
Touching；
Flat line guide rail and translation supporting plate are fixedly connected, and flat line guide rail is arranged at anterior-posterior horizontal direction；Electrode assembly spindle nose and
Translation supporting plate is fixedly connected, and the axial line of electrode assembly spindle nose is arranged at anterior-posterior horizontal direction；
Rack includes vertical straight line guide rail, and vertical straight line guide rail and rack are fixedly connected, and vertical straight line guide rail is set at vertical direction
It sets；There are two sliding slots for setting on right-angled intersection sliding block, and two sliding slots are anterior-posterior horizontal sliding slot and vertical chute, anterior-posterior horizontal respectively
Sliding slot is the setting of anterior-posterior horizontal direction, and vertical chute is vertical direction setting；Flat line guide rail and anterior-posterior horizontal sliding slot are matched
It is combined into line slideway auxiliary, electrode assembly is translated up along anterior-posterior horizontal sliding slot in anterior-posterior horizontal side；Vertical straight line guide rail and
Vertical chute is with line slideway auxiliary is combined into, and the combination of electrode assembly and right-angled intersection sliding block is along vertical chute in vertical direction
Upper translation；
Transmission component includes transmission shaft, gear and eccentric stud；The external cylindrical surface of eccentric stud is equipped with external screw thread, eccentric stud
Inside be equipped with eccentric orfice；The axis parallel of the external cylindrical surface of the axial line and eccentric stud of eccentric orfice is not overlapped still；It passes
The axial line of moving axis is horizontally arranged, and the interlude and rack of transmission shaft are coupled by revolute pair；The front end of transmission shaft and partially
Heart hole is tightly fixed connection；The rear end of transmission shaft and gear are fixedly connected；
Pushing swing arm includes internal thread hole and driving hole；The axial line of internal thread hole and the axis parallel of driving hole do not weigh still
It closes；Internal thread hole and external screw thread, which are matched, is combined into screw pair；The screw pitch of screw pair is 3 millimeters；Driving hole and electrode assembly spindle nose are matched
It is combined into hinge；
Driving assembly includes cylinder and rack gear；Cylinder includes cylinder block and cylinder piston rod；Cylinder block and rack connection；Rack gear and
Cylinder piston rod is fixedly connected；Rack and pinion engagement；
Cylinder piston rod band carry-over bar does piston motion, the rotation of rack drives gear relative to cylinder block, and gear passes through transmission shaft
Eccentric stud eccentric rotary is driven, externally threaded axial line is rotated around the axial line of transmission shaft, while external screw thread is also around itself
Axial line rotation, external screw thread drives internal thread hole to translate forward or backwards along the axial line of transmission shaft；Push swing arm exists
It is swung perpendicular in the plane of the axial line of transmission shaft around the axial line of internal thread hole；Driving hole passes through vertical straight line guide rail, ten
The assemblage zone moving electrode component of word crossed slider peace linear guide is put down along externally threaded axial line forward or backwards on one side
It moves, one side upper and lower translation, motion profile is wave linear shape；It is same that electrode assembly moves to left electrode and right electrode when the low spot of stroke
When be pressed on electrode contact；When cylinder piston rod is on two extreme positions of stroke, electrode assembly is located at the high point of stroke,
Cylinder piston rod from an extreme position of stroke move to another extreme position during band moving gear rotate three circles, i.e.,
Left electrode and right electrode are pressed on electrode contact three times simultaneously, have been welded three times.The revolution refers to external screw thread around transmission shaft
Axial line rotation, the rotation refer to external screw thread around itself axial line rotate.
It is additionally provided in rack and is close to roller, be close to roller and rack and coupled by revolute pair, be close to the outside cylinder of roller
Face and the back of rack gear are close to, and are close to roller and are rolled along the back of rack gear.Phase mutual repulsion is generated in the transmission of gear and rack gear
Power, the power of the repulsion can be born by being close to roller, make rack gear correct engagement without separating with gear.
The course of work of the invention is as described below.
1) left electrode and right electrode are electrically connected with the source of welding current.
2) it multiple element cells and is emitted on workbench, electrode contact is placed on the top electrode end face of element cell
On, so that element cell to be welded is located at left electrode and the common underface of right electrode.Each workpiece will be clamped firmly, or
Person be with it is hand steered live, it is mobile when preventing welding.
3) cylinder starts, and cylinder piston rod translates downwards from the highest point of stroke band carry-over bar, the rotation of rack drives gear,
Gear drives eccentric stud eccentric rotary by transmission shaft, and external screw thread is rotated around the axial line of transmission shaft, and external screw thread is simultaneously around certainly
The axial line rotation of body, external screw thread drive internal thread hole to translate forward along the axial line of transmission shaft；Push swing arm perpendicular to
It is swung in the plane of the axial line of transmission shaft around the axial line of internal thread hole；Driving hole passes through vertical straight line guide rail, right-angled intersection
The assemblage zone moving electrode component of sliding block peace linear guide is translated along externally threaded axial line forward on one side, on one side from highest point
Translation downwards；When close to the minimum point of stroke, left electrode and right electrode are pressed on electrode contact simultaneously and stop translation, left electricity
Pole -> electrode contact and electrode end surface -> right electrode form a galvanic circle, moment electrode contact and electrode end surface office after energization
Portion generates resistance heat and the thawing that heats up；While left electrode and right electrode stop translation downwards translation supporting plate overcome left pressure spring and
The elastic pressure of right pressure spring continues translation downwards, until translating supporting plate after the minimum point of stroke in the elasticity pressure of left pressure spring and right pressure spring
It is translated back up under power and the collective effect of transmission component, then translates supporting plate and left electrode and right electrode is driven to leave electricity simultaneously
Pole contact pin, electrode assembly translate up under the action of transmission component, left electrode -> electrode contact and electrode end surface -> right electrode
The galvanic circle of formation disconnects, and the thawing position of electrode contact and electrode end surface is cooling and is mutually fused together, and forms one
Solder joint；Electrode assembly continues up the highest point for being moved to stroke under the action of transmission component, and gear drives transmission shaft rotation
One week, a welding movement was completed, while electrode assembly pushed forward 3 millimeters.
Cylinder piston rod band carry-over bar continues translation downwards, and system repeats above step, and gear drives transmission shaft to have rotated
Second week, second welding movement is completed, while electrode assembly has pushed forward 3 millimeters.
Cylinder piston rod band carry-over bar is further continued for translating downwards, and system repeats above step, and third welding has acted
At while electrode assembly has pushed forward 3 millimeters, and cylinder piston rod has been arrived the minimum point of stroke.First element cell
Three solder joints between end face and electrode contact are fully completed.
4) simultaneously mobile unit battery and electrode contact and electrode contact, make the group of second element cell and electrode contact
The coincidence underface common in left electrode and right electrode.
5) cylinder reverse starting, cylinder piston rod are translated up from the minimum point band carry-over bar of stroke, rack drives gear
It rotates backward, gear drives the reversed eccentric rotary of eccentric stud by transmission shaft, and external screw thread is rotated around the axial line of transmission shaft, outside
For screw thread simultaneously around the axial line rotation of itself, external screw thread drives internal thread hole to translate backwards along the axial line of transmission shaft；Push
Swing arm is swung on the plane perpendicular to the axial line of transmission shaft around the axial line of internal thread hole；Driving hole is led by vertical straight line
Rail, right-angled intersection sliding block peace linear guide assemblage zone moving electrode component translated backwards along externally threaded axial line on one side,
It is translated downwards from highest point on one side；When close to the minimum point of stroke, left electrode and right electrode are pressed on electrode contact stop simultaneously
It only translates, left electrode -> electrode contact and electrode end surface -> right electrode form a galvanic circle, moment electrode contact after energization
Resistance heat and the thawing that heats up are generated with the part of electrode end surface；Left electrode and right electrode stop translation branch while translation downwards
Plate overcomes the elastic pressure of left pressure spring and right pressure spring to continue translation downwards, until translated after the minimum point of stroke supporting plate in left pressure spring and
It is translated back up under the elastic pressure of right pressure spring and the collective effect of transmission component, then translates supporting plate and drive left electrode and the right side
Electrode leaves electrode contact simultaneously, and electrode assembly translates up under the action of transmission component, left electrode -> electrode contact and electricity
The galvanic circle that extreme face -> right electrode is formed disconnects, and the thawing position of electrode contact and electrode end surface is cooling and mutually fusion exists
Together, a solder joint is formed；Electrode assembly continues up the highest point for being moved to stroke, gear band under the action of transmission component
Dynamic transmission shaft has reversely rotated one week, and first welding movement is completed, while electrode assembly has pushed 3 millimeters backward.
Cylinder piston rod band carry-over bar continues translation downwards, and system repeats above step, and gear drives transmission shaft reversely to revolve
Second week is turned, second welding movement is completed, while electrode assembly has pushed 3 millimeters backward.
Cylinder piston rod band carry-over bar is further continued for translating downwards, and system repeats above step again, and gear drives transmission shaft anti-
To third week is had rotated, third welding movement is completed, while electrode assembly has pushed 3 millimeters backward, and cylinder piston rod is arrived
The highest point of stroke.Three solder joints between second element cell end face and electrode contact are fully completed.
Constantly repeat above step 2) to 5), be often repeated once just complete two element cell end faces and electrode contact it
Between welding.
Combination and right electrode guide rod, right pressure spring and right electrode using left electrode guide rod, left pressure spring and left electrode pilot hole
Pilot hole is to can ensure that left electrode and right electrode can be pressed in electrode contact simultaneously.If without using the two combinations:
Since processing or rigging error, left electrode and right electrode might have difference in height, wherein the relatively low person in bottom first pushes down electricity
Pole contact pin, electrode assembly cannot continue to move down, another cannot be compacted electrode contact, cause rosin joint；Element cell is put
Setting may also can tilt on the table, and left electrode or right electrode first compress beyond height, electrode assembly cannot continue to
Lower movement, another side cannot be compacted, and cause rosin joint.
Eccentric stud and externally threaded combination produce push swing arm along the stereo-motion for being similar to helix, cross
The combination of crossed slider, flat line guide rail and vertical straight line guide rail is then separated from the stereo-motion for be similar to helix flat
Face movement produces electrode assembly and is similar to the sinusoidal waveform movement of plane, and the desired movement of the present embodiment is exactly
Waveform movement.
Beneficial effects of the present invention: the position of stop is accurate, the accurate size of translation, translates a screw pitch, control every time
Simply, the movement of system is simple, and dynamical element is few, only one cylinder, after the source of welding current is connected, it is only necessary to two automatically controlled points
Control a three-position four-way valve or three position five-way valve.
Detailed description of the invention
Fig. 1 is the three dimensional structure diagram at the first visual angle of the embodiment of the present invention, and left electrode 121 and right electrode 131 are pressed simultaneously
Situation on electrode contact；
Fig. 2 is the three dimensional structure diagram at the second visual angle of the embodiment of the present invention, and left electrode 121 and right electrode 131 leave electricity simultaneously
The situation of pole contact pin；
Fig. 3 is the three dimensional structure diagram of electrode assembly 1,
Fig. 4 is the front view of left electrode assembly 12；
Fig. 5 is the front view of right electrode assembly 13；
Fig. 6 is the front view of right-angled intersection sliding block 2；
Fig. 7 is the three dimensional structure diagram of transmission component 3；
Fig. 8 is the three dimensional structure diagram of eccentric stud 33；
Fig. 9 is the three-dimensional structure partial schematic sectional view for pushing swing arm 4；
Figure 10 is the three dimensional structure diagram of driving assembly 5；
Figure 11 is the three dimensional structure diagram of rack 6；
Figure 12 is the three dimensional structure diagram of battery pack 7；
It is as shown in the figure: 1. electrode assemblies；11. translating supporting plate；12. left electrode assembly；121. left electrode；122. left electrode connection
Block；123. left electrode guide rod；124. left guide rod boss；13. right electrode assembly；131. right electrode；132. right electrode coupling block；
133. right electrode guide rod；134. right guide rod boss；14. left pressure spring；15. right pressure spring；16. flat line guide rail；17. electrode assembly axis
Head；
2. right-angled intersection sliding block；21. anterior-posterior horizontal sliding slot；22. vertical chute；
3. transmission component；31. transmission shaft；32. gear；33. eccentric stud；331. external screw thread；332. eccentric orfice；
4. pushing swing arm；41. internal thread hole；42. driving hole；
5. driving assembly；51. cylinder；511. cylinder block；512. cylinder piston rod；52. rack gear；
6. rack；61. air cylinder fixed plate；62. being driven shaft mounting hole；63. vertical straight line guide rail；64. workbench；65. being close to roller
Wheel；
7. battery pack；71. electrode contact；73. element cell；741. left electrode pressure points；742. right electrode pressure points.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Embodiment: referring to Fig. 1 to Figure 12.
A kind of small stride feeding Miniature electric welding equipment of automation, including electrode assembly 1, right-angled intersection sliding block 2, transmission component
3, swing arm 4, driving assembly 5 and rack 6 are pushed；
Electrode assembly 1 includes translation supporting plate 11, left electrode assembly 12, right electrode assembly 13, left pressure spring 14, right pressure spring 15, straight
Line guide rail 16 and electrode assembly spindle nose 17；
Left electrode assembly 12 includes left electrode 121, left electrode coupling block 122 and left electrode guide rod 123；Left electrode guide rod 123 is solid
Surely the top of left electrode coupling block 122, the axial line vertical direction arrangement of left electrode guide rod 123 are connected in；Left electrode 121 is fixed
It is connected in the lower section of left electrode coupling block 122；It translates supporting plate 11 and is equipped with left electrode pilot hole, left electrode guide rod 123 and left electricity
Pole pilot hole, which is slidably matched, forms prismatic pair；The lower end of left pressure spring 14 compresses the upper surface of left electrode coupling block 122, left pressure spring 14
Upper end compress the lower end surface of left electrode pilot hole；Under the elastic pressure effect of left pressure spring 14, left electrode assembly 12 is located at row
The bottom of journey；One of electrode of left electrode 121 and the source of welding current electrically connects；Left electrode guide rod 123 is on a left side in order to prevent
Dive key connection can be used in rotation in electrode pilot hole between the two；
Right electrode assembly 13 includes right electrode 131, right electrode coupling block 132 and right electrode guide rod 133；Right electrode guide rod 133 is solid
Surely the top of right electrode coupling block 132, the axial line vertical direction arrangement of right electrode guide rod 133 are connected in；Right electrode 131 is fixed
It is connected in the lower section of right electrode coupling block 132；It translates supporting plate 11 and is equipped with right electrode pilot hole, right electrode guide rod 133 and right electricity
Pole pilot hole, which is slidably matched, forms prismatic pair；The lower end of right pressure spring 15 compresses the upper surface of right electrode coupling block 132, right pressure spring 15
Upper end compress the lower end surface of right electrode pilot hole；Under the elastic pressure effect of right pressure spring 15, right electrode assembly 13 is located at row
The bottom of journey；Another electrode of right electrode 131 and the source of welding current electrically connects；Right electrode guide rod 133 is in right electricity in order to prevent
Dive key connection can be used in rotation in the pilot hole of pole between the two；The bottom of left electrode 121 and right electrode 131 are most
Lower end height is identical, in close proximity, but cannot contact；
Flat line guide rail 16 and translation supporting plate 11 are fixedly connected, and flat line guide rail 16 is arranged at anterior-posterior horizontal direction；Electrode assembly
Spindle nose 17 and translation supporting plate 11 are fixedly connected, and the axial line of electrode assembly spindle nose 17 is arranged at anterior-posterior horizontal direction；
Rack 6 includes vertical straight line guide rail 63, and vertical straight line guide rail 63 and rack 6 are fixedly connected, and vertical straight line guide rail 63 is at perpendicular
Histogram is to setting；There are two sliding slot, two sliding slots are respectively anterior-posterior horizontal sliding slot 21 and slide vertically for setting on right-angled intersection sliding block 2
Slot 22, anterior-posterior horizontal sliding slot 21 are the settings of anterior-posterior horizontal direction, and vertical chute 22 is vertical direction setting；Flat line guide rail
16 and anterior-posterior horizontal sliding slot 21 with being combined into line slideway auxiliary, electrode assembly 1 is along anterior-posterior horizontal sliding slot 21 in anterior-posterior horizontal side
It translates up；Vertical straight line guide rail 63 and vertical chute 22, which are matched, is combined into line slideway auxiliary, electrode assembly 1 and right-angled intersection sliding block
2 combination translates in the vertical direction along vertical chute 22；
Transmission component 3 includes transmission shaft 31, gear 32 and eccentric stud 33；The external cylindrical surface of eccentric stud 33 is equipped with external screw thread
331, the inside of eccentric stud 33 is equipped with eccentric orfice 332；The axis of the external cylindrical surface of the axial line and eccentric stud 33 of eccentric orfice 332
Heart line is parallel but is not overlapped；The axial line of transmission shaft 31 is horizontally arranged, and the interlude and rack 6 of transmission shaft 31 are by turning
Dynamic duplicate invoice connects；The front end of transmission shaft 31 and eccentric orfice 332 are tightly fixed connection；The rear end of transmission shaft 31 and the fixed connection of gear 32
It connects；
Pushing swing arm 4 includes internal thread hole 41 and driving hole 42；The axial line of internal thread hole 41 and the axial line of driving hole 42 are flat
Row is not overlapped still；Internal thread hole 41 and external screw thread 331, which are matched, is combined into screw pair；The screw pitch of screw pair is 3 millimeters；Driving hole 42
Match with electrode assembly spindle nose 17 and is combined into hinge；
Driving assembly 5 includes cylinder 51 and rack gear 52；Cylinder 51 includes cylinder block 511 and cylinder piston rod 512；Cylinder block 511
Couple with rack 6；Rack gear 52 and cylinder piston rod 512 are fixedly connected；Rack gear 52 and gear 32 engage；
Cylinder piston rod 512 does piston motion relative to cylinder block 511 with carry-over bar 52, and rack gear 52 drives gear 32 to rotate, tooth
Wheel 32 drives 33 eccentric rotary of eccentric stud by transmission shaft 31, and the axial line of external screw thread 331 is revolved around the axial line of transmission shaft 31
Turn, while external screw thread 331, also in the axial line rotation around itself, external screw thread 331 drives internal thread hole 41 along transmission shaft 31
Axial line is facing forward or translates backwards；Swing arm 4 is pushed in the plane of the axial line perpendicular to transmission shaft 31 around internal thread hole 41
Axial line swing；Driving hole 42 is driven by the combination of vertical straight line guide rail 63, the peaceful linear guide 16 of right-angled intersection sliding block 2
1 one side of electrode assembly translates forward or backwards along the axial line of external screw thread 331, and one side upper and lower translation, motion profile is wave
Wave is linear；Electrode assembly 1 left electrode 121 and right electrode 131 while being pressed on electrode contact when moving to the low spot of stroke；Work as gas
The electrode assembly 1 when on two extreme positions of stroke of cylinder piston rod 512 is located at the high point of stroke, and cylinder piston rod 512 is from row
Band moving gear 32 rotates three circles during one extreme position of journey moves to another extreme position, i.e., left 121 He of electrode
Right electrode 131 is pressed on electrode contact three times simultaneously, has been welded three times.The revolution refers to external screw thread 331 around transmission shaft 31
Axial line rotation, the rotation refer to external screw thread 331 around itself axial line rotate.
It is additionally provided in rack 6 and is close to roller 65, be close to roller 65 and rack 6 and coupled by revolute pair, be close to roller 65
External cylindrical surface and the back of rack gear 52 be close to, be close to roller 65 and rolled along the back of rack gear 52.In gear 32 and rack gear 52
In transmission generate phase mutual repulsion power, the power of the repulsion can be born by being close to roller 65, make 52 correct engagement of rack gear without with gear
32 separation.
Combination and right electrode guide rod 133, right pressure spring using left electrode guide rod 123, left pressure spring 14 and left electrode pilot hole
15 and right electrode pilot hole be to can ensure that left electrode 121 and right electrode 131 can be pressed in electrode contact simultaneously.If do not used
The two combinations, then: since processing or rigging error, left 121 lower end surface of electrode and 131 lower end surface of right electrode might have
Difference in height, wherein the relatively low person in bottom first pushes down electrode contact, and electrode assembly 1 cannot continue to move down, another is just not
It can be compacted electrode contact 71, cause rosin joint；Element cell 73 placement may also can tilt on the table, left electrode 121 or
Right electrode 131 first compresses beyond height, and electrode assembly 1 cannot continue to move down, and another side cannot be compacted, and causes void
Weldering.
The course of work of the present embodiment is as described below.
1) left electrode 121 and right electrode 131 are electrically connected with the source of welding current.
2) it multiple element cells 73 and is emitted on workbench 64, electrode contact 71 is placed on the top electrode of element cell
On end face, element cell 73 to be welded is made to be located at left electrode 121 and the common underface of right electrode 131.Each workpiece is firm
Solid clamp, or with it is hand steered live, it is mobile when preventing welding.
3) cylinder 51 starts, and cylinder piston rod 512 translates downwards from the highest point of stroke band carry-over bar 52, and rack gear 52 drives
Gear 32 rotates, and gear 32 drives 33 eccentric rotary of eccentric stud, axis of the external screw thread 331 around transmission shaft 31 by transmission shaft 31
The rotation of heart line, for external screw thread 331 simultaneously around the axial line rotation of itself, external screw thread 331 drives internal thread hole 41 along transmission shaft 31
Axial line translate forward；Swing arm 4 is pushed in the plane of the axial line perpendicular to transmission shaft 31 around the axle center of internal thread hole 41
String pendulum is dynamic；Driving hole 42 passes through vertical straight line guide rail 63, the assemblage zone moving electrode group of the peaceful linear guide 16 of right-angled intersection sliding block 2
1 one side of part translates forward along the axial line of external screw thread 331, translates downwards from highest point on one side；In the minimum point close to stroke
When, left electrode 121 and right electrode 131 are pressed on electrode contact simultaneously and stop translation, left electrode 121- > electrode contact and electrode tip
Face -> right electrode 131 forms a galvanic circle, and moment electrode contact and electrode end surface locally generate resistance heat simultaneously after energization
Heating is melted；Supporting plate 11 is translated while left electrode 121 and right electrode 131 stop translating downwards overcomes left pressure spring 14 and right pressure spring
15 elastic pressure continues translation downwards, until translating supporting plate 11 after the minimum point of stroke in the elasticity of left pressure spring 14 and right pressure spring 15
It is translated back up under pressure and the collective effect of transmission component 3, then translates supporting plate 11 and drive left electrode 121 and right electrode
131 leave electrode contact simultaneously, and electrode assembly 1 translates up under the action of transmission component 3, left electrode 121- > electrode contact
It is disconnected with the galvanic circle that electrode end surface -> right electrode 131 is formed, the cooling simultaneously phase in the thawing position of electrode contact and electrode end surface
It is mutually fused together, forms a solder joint；Electrode assembly 1 continues up under the action of transmission component 3 and is moved to stroke most
High point, gear 32 drive transmission shaft 31 to have rotated one week, and a welding movement is completed, while electrode assembly 1 has pushed forward 3 millis
Rice.
Cylinder piston rod 512 continues to translate downwards with carry-over bar 52, and system repeats above step, and gear 32 drives transmission shaft
31 have rotated second week, and second welding movement is completed, while electrode assembly 1 has pushed forward 3 millimeters.
Cylinder piston rod 512 is further continued for translating downwards with carry-over bar 52, and system repeats above step, and gear 32, which drives, to be passed
Moving axis 31 has rotated third week, and third welding movement is completed, while electrode assembly 1 has pushed forward 3 millimeters, cylinder piston rod
512 minimum points for having arrived stroke.Three solder joints between the end face and electrode contact 71 of first element cell 73 are all complete
At.
4) simultaneously mobile unit battery and electrode contact 71 and electrode contact 71, connect second element cell 73 and electrode
The combination of piece 71 underface common positioned at left electrode 121 and right electrode 131.
5) 51 reverse starting of cylinder, cylinder piston rod 512 are translated up from the minimum point band carry-over bar 52 of stroke, rack gear 52
Driving gear 32 rotates backward, and gear 32 drives the reversed eccentric rotary of eccentric stud 33 by transmission shaft 31, and external screw thread 331 is around biography
The axial line of moving axis 31 rotates, and for external screw thread 331 simultaneously around the axial line rotation of itself, external screw thread 331 drives 41 edge of internal thread hole
The axial line of transmission shaft 31 translate backwards；Swing arm 4 is pushed in the plane of the axial line perpendicular to transmission shaft 31 around internal screw thread
The axial line in hole 41 is swung；Driving hole 42 passes through vertical straight line guide rail 63, the combination of the peaceful linear guide 16 of right-angled intersection sliding block 2
It drives 1 one side of electrode assembly to translate backwards along the axial line of external screw thread 331, is translated downwards from highest point on one side；Close to row
When the minimum point of journey, left electrode 121 and right electrode 131 are pressed on electrode contact simultaneously and stop translation, and left electrode 121- > electrode connects
Piece and electrode end surface -> right electrode 131 form a galvanic circle, and is produced from the part of moment electrode contact and electrode end surface after energization
Raw resistance heat and the thawing that heats up；Supporting plate 11 is translated while left electrode 121 and right electrode 131 stop translating downwards overcomes left pressure
The elastic pressure of spring 14 and right pressure spring 15 continues translation downwards, until translating supporting plate 11 after the minimum point of stroke on left pressure spring 14 and the right side
It is translated back up under the elastic pressure of pressure spring 15 and the collective effect of transmission component 3, then translates supporting plate 11 and drive left electrode
121 and right electrode 131 simultaneously leave electrode contact, electrode assembly 1 translates up under the action of transmission component 3, left electrode
The galvanic circle that 121- > electrode contact and electrode end surface -> right electrode 131 are formed disconnects, the thawing of electrode contact and electrode end surface
Position is cooling and is mutually fused together, and forms a solder joint；Electrode assembly 1 continues up flat under the action of transmission component 3
The highest point of stroke is moved to, first welding movement is completed, while electrode assembly 1 has pushed 3 millimeters backward.
Cylinder piston rod 512 continues to translate downwards with carry-over bar 52, and system repeats above step, and second welding has acted
At, while electrode assembly 1 has pushed 3 millimeters backward.
Cylinder piston rod 512 is further continued for translating downwards with carry-over bar 52, and system repeats above step again, and third welding is dynamic
It completes, while electrode assembly 1 has pushed 3 millimeters backward, cylinder piston rod 512 has been arrived the highest point of stroke.Second list
Three solder joints between first 73 end face of battery and electrode contact 71 are fully completed.
Constantly repeat above step 2) two 73 end faces of element cell and electrode contact are just completed to 5), being often repeated once
Welding between 71.
The combination of eccentric stud 33 and external screw thread 331 produces push swing arm 4 along the three-dimensional fortune for being similar to helix
Dynamic, the combination of right-angled intersection sliding block 2, flat line guide rail 16 and vertical straight line guide rail 63 is then from the stereo-motion for being similar to helix
In separate plane motion, produce electrode assembly 1 and be similar to plane sinusoidal waveform movement, the present embodiment is thought
The movement wanted is exactly waveform movement.
The present embodiment the utility model has the advantages that the position of stop is accurate, the accurate size of translation translates a screw pitch, control every time
System is simple, and the movement of system is simple, and dynamical element is few, only one cylinder, after the source of welding current is connected, it is only necessary to which two automatically controlled
Point one three-position four-way valve of control or three position five-way valve.
Claims (1)
1. a kind of small stride of automation feeds Miniature electric welding equipment, which is characterized in that including electrode assembly, right-angled intersection sliding block,
Transmission component, push swing arm, driving assembly and rack；
Electrode assembly includes translation supporting plate, left electrode assembly, right electrode assembly, left pressure spring, right pressure spring, flat line guide rail and electrode
Component spindle nose；
Left electrode assembly includes left electrode, left electrode coupling block and left electrode guide rod；Left electrode guide rod is fixedly connected in left electrode
The top of coupling block, the axial line vertical direction arrangement of left electrode guide rod；Left electrode is fixedly connected under left electrode coupling block
Side；It translates supporting plate and is equipped with left electrode pilot hole, left electrode guide rod and left electrode pilot hole are slidably matched and form prismatic pair；Left pressure
The lower end of spring compresses the upper surface of left electrode coupling block, and the upper end of left pressure spring compresses the lower end surface of left electrode pilot hole；In left pressure
Under the elastic pressure effect of spring, left electrode assembly is located at the bottom of stroke；Make between left electrode guide rod and left electrode pilot hole
Coupled with dive key；
Right electrode assembly includes right electrode, right electrode coupling block and right electrode guide rod；Right electrode guide rod is fixedly connected in right electrode
The top of coupling block, the axial line vertical direction arrangement of right electrode guide rod；Right electrode is fixedly connected under right electrode coupling block
Side；It translates supporting plate and is equipped with right electrode pilot hole, right electrode guide rod and right electrode pilot hole are slidably matched and form prismatic pair；Right pressure
The lower end of spring compresses the upper surface of right electrode coupling block, and the upper end of right pressure spring compresses the lower end surface of right electrode pilot hole；In right pressure
Under the elastic pressure effect of spring, right electrode assembly is located at the bottom of stroke；Make between right electrode guide rod and right electrode pilot hole
Coupled with dive key；The bottom of left electrode and the bottom of right electrode height are identical；
Flat line guide rail and translation supporting plate are fixedly connected, and flat line guide rail is arranged at anterior-posterior horizontal direction；Electrode assembly spindle nose and
Translation supporting plate is fixedly connected, and the axial line of electrode assembly spindle nose is arranged at anterior-posterior horizontal direction；
Rack includes vertical straight line guide rail, and vertical straight line guide rail and rack are fixedly connected, and vertical straight line guide rail is set at vertical direction
It sets；There are two sliding slots for setting on right-angled intersection sliding block, and two sliding slots are anterior-posterior horizontal sliding slot and vertical chute, anterior-posterior horizontal respectively
Sliding slot is the setting of anterior-posterior horizontal direction, and vertical chute is vertical direction setting；Flat line guide rail and anterior-posterior horizontal sliding slot are matched
It is combined into line slideway auxiliary, electrode assembly is translated up along anterior-posterior horizontal sliding slot in anterior-posterior horizontal side；Vertical straight line guide rail and
Vertical chute is with line slideway auxiliary is combined into, and the combination of electrode assembly and right-angled intersection sliding block is along vertical chute in vertical direction
Upper translation；
Transmission component includes transmission shaft, gear and eccentric stud；The external cylindrical surface of eccentric stud is equipped with external screw thread, eccentric stud
Inside be equipped with eccentric orfice；The axis parallel of the external cylindrical surface of the axial line and eccentric stud of eccentric orfice is not overlapped still；It passes
The axial line of moving axis is horizontally arranged, and the interlude and rack of transmission shaft are coupled by revolute pair；The front end of transmission shaft and partially
Heart hole is tightly fixed connection；The rear end of transmission shaft and gear are fixedly connected；
Pushing swing arm includes internal thread hole and driving hole；The axial line of internal thread hole and the axis parallel of driving hole do not weigh still
It closes；Internal thread hole and external screw thread, which are matched, is combined into screw pair；The screw pitch of screw pair is 3 millimeters；Driving hole and electrode assembly spindle nose are matched
It is combined into hinge；
Driving assembly includes cylinder and rack gear；Cylinder includes cylinder block and cylinder piston rod；Cylinder block and rack connection；Rack gear and
Cylinder piston rod is fixedly connected；Rack and pinion engagement；
Cylinder piston rod band carry-over bar does piston motion, the rotation of rack drives gear relative to cylinder block, and gear passes through transmission shaft
Eccentric stud eccentric rotary is driven, externally threaded axial line is rotated around the axial line of transmission shaft, while external screw thread is also around itself
Axial line rotation, external screw thread drives internal thread hole to translate forward or backwards along the axial line of transmission shaft；Push swing arm exists
It is swung perpendicular in the plane of the axial line of transmission shaft around the axial line of internal thread hole；Driving hole passes through vertical straight line guide rail, ten
The assemblage zone moving electrode component of word crossed slider peace linear guide is put down along externally threaded axial line forward or backwards on one side
It moves, one side upper and lower translation；Electrode assembly left electrode and right electrode while being pressed on electrode contact when moving to the low spot of stroke；When
Cylinder piston rod electrode assembly when on two extreme positions of stroke is located at the high point of stroke, cylinder piston rod from stroke one
Band moving gear rotates three circles during a extreme position moves to another extreme position, and left electrode and right electrode are pressed in simultaneously
On electrode contact three times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910787008.XA CN110449714A (en) | 2019-08-25 | 2019-08-25 | Automate small stride feeding Miniature electric welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910787008.XA CN110449714A (en) | 2019-08-25 | 2019-08-25 | Automate small stride feeding Miniature electric welding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110449714A true CN110449714A (en) | 2019-11-15 |
Family
ID=68489010
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910787008.XA Withdrawn CN110449714A (en) | 2019-08-25 | 2019-08-25 | Automate small stride feeding Miniature electric welding equipment |
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| Country | Link |
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| CN (1) | CN110449714A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367775A (en) * | 2022-01-04 | 2022-04-19 | 山东精工电子科技有限公司 | Spot bottom cold joint repair welding device for cylindrical lithium ion battery |
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| CN201086179Y (en) * | 2007-09-26 | 2008-07-16 | 深圳市比克电池有限公司 | Spot welding fixture equipment for cover plate |
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Effective date of registration: 20210303 Address after: No.22, group 2, Guofeng village, Yunling Town, Jingxian County, Xuancheng City, Anhui Province Applicant after: Wang Shuangyan Address before: 272000 west house, 5th floor, unit 2, East Building, Jinta Garden community, Jining City, Shandong Province Applicant before: Du Zongying |
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Application publication date: 20191115 |