CN117086455A - Linear reciprocating pneumatic spot welding device - Google Patents
Linear reciprocating pneumatic spot welding device Download PDFInfo
- Publication number
- CN117086455A CN117086455A CN202311346894.5A CN202311346894A CN117086455A CN 117086455 A CN117086455 A CN 117086455A CN 202311346894 A CN202311346894 A CN 202311346894A CN 117086455 A CN117086455 A CN 117086455A
- Authority
- CN
- China
- Prior art keywords
- fixed
- spot welding
- electrode
- hole
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 67
- 238000007789 sealing Methods 0.000 claims description 12
- 239000000779 smoke Substances 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
-
- 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
- B23K11/314—Spot welding guns, e.g. mounted on robots
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Resistance Welding (AREA)
Abstract
The invention belongs to the technical field of pneumatic electric welding machines, in particular to a linear reciprocating type pneumatic spot welding device, which aims at the problem that electrode rods are seriously worn due to frequent impact of welding pieces on the electrode rods in the spot welding process in the prior art. The invention can drive the ejector rod shaft column to quickly descend at the moment of inflation, at the moment, the buffer spring at the end part of the electrode rod can play a role in primary buffer, and then the piston plate can play a final limiting role, so that the end head of the electrode rod is prevented from being worn by pressure due to the fact that the electrode rod forms overshoot.
Description
Technical Field
The invention relates to the technical field of pneumatic electric welding machines, in particular to a linear reciprocating type pneumatic spot welding device.
Background
The spot welding connection is a common connection mode between metal materials at present, and the connection mode is to melt metal between two electrode points by increasing instant current between the two electrode points so as to achieve the purpose of hot melting; the common spot welding operation is to weld through a spot welder, and in the actual condition, the electrode of the spot welder is easy to wear, so that the false welding in the spot welding process is caused, the spot welding is inaccurate, and the quality of a welded product is directly affected.
Through inspection, although the height of the electrode can be adjusted by adjusting the lower holding rod in the prior art, frequent adjustment is needed, the adjustment is inconvenient, the adjustment is not easy to be carried out to a proper height, and the adjustment mode is completely adjusted by people, so that the randomness is high, the hidden danger of quality accidents still exists, and the occurrence of the cold joint phenomenon is prevented in actual production.
Disclosure of Invention
The invention provides a linear reciprocating type pneumatic spot welding device, which comprises a fixed table, wherein a support frame is fixed in the middle of the upper surface of the rear side of the fixed table, a section of extension beam extending to the upper part of the middle of the fixed table is fixed at the top end of the support frame, a reciprocating mechanism is arranged below the extension beam, a rib sliding hole is formed in the middle of the fixed table and positioned in the middle of the support frame, a vertical connecting rib plate is connected in the rib sliding hole in a sliding manner, extension fixing plates which are parallel to each other and equal in length are respectively fixed at the upper end and the lower end of the connecting rib plate, one end of each extension fixing plate, far from the support frame, is respectively fixed with an electrode outer barrel I and an electrode outer barrel II which are symmetrical relative to the upper surface of the fixed table, and the upper surface of the fixed table is positioned below the electrode outer barrel II; the eccentric perforation is connected with a push rod shaft column in a sliding way, the top end of the push rod shaft column is fixed with a piston plate, the lower surface of the piston plate is fixed with two mutually symmetrical reset springs, and the bottom ends of the two reset springs are fixed at the junction of the eccentric perforation and the piston sliding hole; the bottom of the ejector rod shaft column is provided with a sinking groove, the bottom of the sinking groove is fixedly provided with a buffer spring, and one end of the buffer spring, which is far away from the bottom of the groove, is fixedly provided with an electrode rod.
Preferably, two baffle clamping grooves which are symmetrical with each other are formed in the top end of the eccentric perforation, spring baffles are fixed at the bottoms of the two baffle clamping grooves, the bottom end of a reset spring is fixed on the spring baffles, a numerical control air pump is fixed at the rear side of the fixing table near the middle part of the fixing table, the numerical control air pump comprises two instant high-pressure air outlet holes and two continuous low-pressure air outlet holes, and a first air pipe is communicated between one instant high-pressure air outlet hole and a first air inlet hole at the two tops of the electrode outer barrel; through the numerical control air pump that has the high-pressure gas outlet in the twinkling of an eye that sets up, cooperation reset spring's setting can be in the twinkling of an eye with ejector pin shaft post and the electrode stick of its bottom dash out, reset spring drives ejector pin shaft post and electrode stick and resets when needing to withdraw.
Preferably, a positioning bulge with a rectangular structure is reserved on the outer wall of the electrode outer barrel II, a shell-shaped structure communicated with the eccentric perforation is arranged in the positioning bulge, and a positioning sliding block which slides radially is arranged in the positioning bulge; the outer wall of the positioning bulge is provided with a round hole matched with the positioning slide block, the outer side of the round hole is provided with an air inlet outer cover, one end of the positioning slide block, which is far away from the ejector rod shaft column, is connected with the inner wall of the air inlet outer cover in a sliding manner, and one side of the positioning slide block, which is close to the ejector rod shaft column, is provided with a rubber gasket; and the cylinder bottom of the air inlet outer cover is inserted with a second air pipe which is communicated with one of the continuous low-pressure air outlet holes.
Preferably, the outer wall of the ejector rod shaft column is provided with an anti-slip surface on one side close to the positioning sliding block, the position of the anti-slip surface is matched with the position of the rubber gasket, and the positioning effect can be improved through the arranged anti-slip surface.
Preferably, a bracket is fixed on the lower surface of the fixed table, and a limiting strip and a carrier roller which are matched with the extension fixed plate are arranged on the bracket; an air inlet hole II is formed in the barrel sealing top cover of the electrode outer barrel I, an air pipe III is communicated between the air inlet hole II and the other instant high-pressure air outlet hole, and an air pipe IV is communicated between the air inlet end of the air inlet outer cover in the middle of the electrode outer barrel I and the other continuous low-pressure air outlet hole; the distance between the opposite ends of the two electrode bars and the upper and lower surfaces of the object on the spot welding table is the same; it is possible to ensure simultaneous contact at the time of contact before spot welding, preventing the impact force from displacing the target object.
Preferably, the reciprocating mechanism comprises a speed reducing motor fixed below the rear end of the extension beam, a longitudinally extending mounting hole is formed in the middle of the extension beam, vertical bearing hanging seats are arranged at two ends of the lower surface of the extension beam, which are positioned at the mounting hole, a driving roller is rotatably connected between the two bearing hanging seats, a closed protruding rib which reciprocates at two ends is arranged on the circumferential outer wall of the driving roller, and the end part of the driving roller is connected with an output shaft of the speed reducing motor through a coupling; the upper surface of the extension fixing plate close to the top end is fixedly provided with a roller frame, the top end of the roller frame is fixedly provided with two vertical clamping wheels, the two clamping wheels are positioned at two sides of the protruding rib, the middle of the support frame is fixedly provided with two groove-shaped sliding rails with opposite openings and mutually parallel, and the extension fixing plate positioned at the top end is in sliding connection between the two groove-shaped sliding rails; through protruding rib and roller frame that set up, can drive extension fixed plate reciprocating motion when the drive roller rotates.
Preferably, a chute is formed in the inner wall of the mounting hole, which is located right above the end part of the driving roller, a T-shaped sliding block is connected in the chute in a sliding manner, a positioning electromagnet is fixed on one side, away from the bottom of the chute, of the T-shaped sliding block, and a permanent magnet matched with the positioning electromagnet is embedded in the circumferential outer wall of the driving roller.
Preferably, rectangular holes which are longitudinally distributed are formed in the spot welding table, and the rectangular holes are not contacted with the outer wall of the electrode rod; ensuring that the electrode rod can pass through the spot welding table to contact with the lower surface of the workpiece.
Preferably, the upper surface of the fixed table is provided with a press roller frame extending to the upper surface of the spot welding table, a press roller is arranged below the press roller frame, and a torsion spring is arranged at a hinge point of the press roller, so that a workpiece to be processed can be tightly pressed on the spot welding table.
Preferably, a numerical control air pump is fixed on the upper surface of the fixed table close to the back surface, an air exhauster is communicated with an air suction end of the air exhauster, a strip-shaped air hole is formed at a cliff position at the juncture of the fixed table and the spot welding table, and a screw hole I and an air inlet hole which are communicated with the strip-shaped air hole are formed on the upper surface of the fixed table respectively; the smoke exhaust pipe is communicated with the air inlet hole, the top end of the first screw hole is inserted with a poking knob, and the bottom end of the poking knob is fixed with an air deflector; through the air extractor that sets up, can suck the flue gas that produces during spot welding, reduce environmental pollution.
The beneficial effects of the invention are as follows:
1. through the electrode rod that has buffer spring who sets up, the setting of cooperation piston board can drive ejector pin pedestal at the inflated one instant and descend fast, and buffer spring of electrode rod tip can play a cushioning effect this moment, and the piston board can play final spacing effect afterwards, avoids the electrode rod to form the end of overshooting and leads to the electrode rod to be pressed wearing and tearing.
2. Through the positioning slide block and the gas pipe II, after the ejector rod shaft column drives the electrode rod to descend to the welding point position, ventilation can be carried out so as to temporarily fix the position of the impacted electrode rod.
3. Through the adsorption setting of the positioning electromagnet and the permanent magnet, the electrode rod can be electrified and positioned when the driving roller drives the electrode rod to move to the positions of the front end point and the rear end point, and the positions of the permanent magnet can be increased or changed according to the requirements of different point positions, so that the auxiliary positioning spot welding function is realized.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a linear reciprocating pneumatic spot welding device according to the present invention;
FIG. 2 is a side view of a linear reciprocating pneumatic spot welding apparatus in accordance with the present invention;
FIG. 3 is a front view of a linear reciprocating pneumatic spot welding apparatus according to the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 of a linear reciprocating pneumatic spot welding apparatus in accordance with the present invention;
FIG. 5 is a schematic view of a stationary platen in a linear reciprocating pneumatic spot welding apparatus according to the present invention;
FIG. 6 is a schematic view of the mounting position of a reciprocating mechanism of a linear reciprocating type pneumatic spot welding device according to the present invention;
FIG. 7 is a schematic view of an explosion structure of an electrode rod in a linear reciprocating type pneumatic spot welding device according to the present invention;
fig. 8 is a partial cross-sectional view of an electrode tub in a straight reciprocating type pneumatic spot welding apparatus according to the present invention.
In the figure: 1. a fixed table; 101. a spot welding table; 102. a strip-shaped air hole; 103. a rectangular hole; 104. rib sliding holes; 105. a screw hole I; 106. an air inlet hole; 2. toggling the knob; 3. a bracket; 4. extending the fixing plate; 5. an electrode outer barrel I; 6. an electrode rod; 7. a press roller; 8. a roller frame; 9. an electrode outer barrel II; 91. eccentric perforation; 92. a piston slide hole; 93. a piston plate; 94. a return spring; 95. a spring baffle; 96. a baffle clamping groove; 97. positioning the bulge; 98. positioning a sliding block; 99. an air intake housing; 10. a barrel seal top cover; 11. an extension beam; 12. a driving roller; 121. protruding ribs; 13. a mounting hole; 14. positioning an electromagnet; 15. a permanent magnet; 16. a speed reducing motor; 17. a support frame; 18. a numerical control air pump; 19. an air extractor; 20. a smoke exhaust pipe; 21. an air deflector; 22. a connecting rib plate; 23. a bearing hanging seat; 24. and a push rod shaft column.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the present embodiment
Referring to fig. 1-8, a linear reciprocating type pneumatic spot welding device comprises a fixed table 1, wherein a support frame 17 is fixed in the middle of the upper surface of the rear side of the fixed table 1, a section of extension beam 11 extending to the upper part of the middle of the fixed table 1 is fixed at the top end of the support frame 17, a reciprocating mechanism is arranged below the extension beam 11, a rib sliding hole 104 is formed in the middle of the fixed table 1 and positioned in the middle of the support frame 17, a vertical connecting rib plate 22 is connected in the rib sliding hole 104 in a sliding manner, extension fixing plates 4 which are parallel and equal in length are respectively fixed at the upper end and the lower end of the connecting rib plate 22, an electrode outer barrel 5 and an electrode outer barrel 9 which are symmetrical relative to the upper surface of the fixed table 1 are respectively fixed at one end, far from the support frame 17, the electrode outer barrel 5 and the electrode outer barrel 9 are completely equal in structure, an upper surface of the fixed table 1 is provided with a plane sinking table 101, one end of the extension fixing plate 4, which is close to the electrode outer barrel 9, is provided with an annular gap, the electrode outer barrel 9 is provided with a sealing top cover 92, and an axial direction of the sealing top cover 9 is provided with an inner diameter of the sealing piston 9, and an inner diameter of the sealing top cover 9 is provided with an axial through the two end sealing top cover 9, and an inner diameter of the sealing top cover 9 is provided with an inner diameter of the sealing top cover 9; the eccentric perforation 91 is slidably connected with the ejector pin shaft post 24, the top end of the ejector pin shaft post 24 is fixed with a piston plate 93, two mutually symmetrical reset springs 94 are fixed on the lower surface of the piston plate 93, and the bottom ends of the two reset springs 94 are fixed at the junction of the eccentric perforation 91 and the piston slide hole 92; a sinking groove is formed in the bottom end of the ejector rod shaft column 24, a buffer spring is fixed at the bottom of the sinking groove, and an electrode rod 6 is fixed at one end, far away from the bottom of the groove, of the buffer spring; through the electrode rod 6 that has buffer spring who sets up, the setting of cooperation piston plate 93 can drive ejector pin pedestal 24 at the inflated one-time and descend fast, and buffer spring of electrode rod 6 tip can play a cushioning effect this moment, and later piston plate 93 can play final limiting displacement, avoids electrode rod 6 to form the end of overshooting and leads to electrode rod 6 to be pressed wearing and tearing.
Referring to fig. 7-8, two symmetrical baffle clamping grooves 96 are formed in the top end of the eccentric perforation 91, spring baffles 95 are fixed at the bottoms of the two baffle clamping grooves 96, the bottom ends of return springs 94 are fixed on the spring baffles 95, a numerical control air pump 18 is fixed on the rear side of the fixing table 1 near the middle part, the numerical control air pump 18 comprises two instant high-pressure air outlets and two continuous low-pressure air outlets, and a first air pipe is communicated between one instant high-pressure air outlet and a first air inlet hole in the top end of the electrode outer barrel 9; through the numerical control air pump 18 that has the high-pressure gas vent in the twinkling of an eye that sets up, the setting of cooperation reset spring 94 can dash out the pole 6 of ejector pin jack-prop 24 and its bottom in the twinkling of an eye, and reset spring 94 drives ejector pin jack-prop 24 and pole 6 and resets when needing to withdraw.
Referring to fig. 7-8, a positioning protrusion 97 with a rectangular structure is reserved on the outer wall of the electrode outer barrel II 9, a shell-shaped structure communicated with the eccentric perforation 91 is arranged inside the positioning protrusion 97, and a positioning sliding block 98 which slides radially is arranged inside the positioning protrusion 97; the outer wall of the positioning protrusion 97 is provided with a round hole matched with the positioning slide block 98, the outer side of the round hole is provided with an air inlet outer cover 99, one end of the positioning slide block 98, which is far away from the ejector rod shaft column 24, is slidably connected with the inner wall of the air inlet outer cover 99, and one side of the positioning slide block 98, which is close to the ejector rod shaft column 24, is provided with a rubber gasket; the cylinder bottom of the air inlet outer cover 99 is inserted with a second air pipe which is communicated with one of the continuous low-pressure air outlet holes; through the positioning slide block 98 and the gas pipe II, after the ejector rod shaft column 24 drives the electrode rod 6 to descend to the welding point position, ventilation can be performed to temporarily fix the position of the impacted electrode rod 6.
In the invention, the outer wall of the ejector rod shaft column 24 is provided with an anti-slip surface at one side close to the positioning slide block 98, the position of the anti-slip surface is matched with the position of the rubber gasket, and the positioning effect can be improved through the arranged anti-slip surface.
In the invention, a bracket 3 is fixed on the lower surface of a fixed table 1, and a limiting strip and a carrier roller which are matched with an extension fixed plate 4 are arranged on the bracket 3; an air inlet hole II is formed in the barrel sealing top cover 10 of the electrode outer barrel I5, an air pipe III is communicated between the air inlet hole II and another instant high-pressure air outlet hole, and an air pipe IV is communicated between the air inlet end of the air inlet outer cover 99 in the middle of the electrode outer barrel I5 and another continuous low-pressure air outlet hole; the opposite ends of the two electrode bars 6 are the same as the distance between the upper and lower surfaces of the object on the spot welding stage 101; it is possible to ensure simultaneous contact at the time of contact before spot welding, preventing the impact force from displacing the target object.
Referring to fig. 4 and 6, the reciprocating mechanism includes a gear motor 16 fixed below the rear end of the extension beam 11, a longitudinally extending mounting hole 13 is formed in the middle of the extension beam 11, vertical bearing hanging seats 23 are respectively arranged at two ends of the lower surface of the extension beam 11, which are positioned at the mounting hole 13, a driving roller 12 is rotatably connected between the two bearing hanging seats 23, a closed protruding rib 121 reciprocating at two ends is arranged on the circumferential outer wall of the driving roller 12, and the end part of the driving roller 12 is connected with an output shaft of the gear motor 16 through a coupling; a roller frame is fixed on the upper surface of the extension fixing plate 4 close to the top end, two vertical clamping wheels are fixed on the top end of the roller frame, the two clamping wheels are positioned on two sides of the protruding rib 121, two groove-shaped sliding rails with opposite openings and parallel to each other are fixed in the middle of the supporting frame 17, and the extension fixing plate 4 positioned at the top end is connected between the two groove-shaped sliding rails in a sliding manner; by the protruding ribs 121 and the roller frame, the extension fixing plate 4 can be driven to reciprocate when the driving roller 12 rotates.
Referring to fig. 2-4, a chute is formed in the inner wall of the mounting hole 13 and is positioned right above the end part of the driving roller 12, a T-shaped sliding block is connected in a sliding manner in the chute, a positioning electromagnet 14 is fixed on one side of the T-shaped sliding block, which is far away from the bottom of the chute, and a permanent magnet 15 which is matched with the positioning electromagnet 14 is embedded in the circumferential outer wall of the driving roller 12; through the adsorption setting of the positioning electromagnet 14 and the permanent magnet 15, the electrode rod 6 can be electrified and positioned when the driving roller 12 drives the electrode rod to move to the front end point and the rear end point, and the position of the permanent magnet 15 can be increased or changed according to the requirements of different points, so that the auxiliary positioning spot welding function is realized.
Referring to fig. 5, rectangular holes 103 are formed in the spot welding table 101 in a longitudinal direction, and the rectangular holes 103 are not in contact with the outer wall of the electrode rod 6; it is ensured that the electrode rod 6 can pass through the spot welding stage 101 to be in contact with the lower surface of the workpiece.
In the invention, the upper surface of the fixed table 1 is provided with the press roller frame 8 extending to the upper surface of the spot welding table 101, the press roller 7 is arranged below the press roller frame 8, and the torsion spring is arranged at the hinging point of the press roller 7, so that a workpiece to be welded can be tightly pressed on the spot welding table 101.
Referring to fig. 1 and 5, a numerical control air pump 18 is fixed on the upper surface of the fixed table 1 near the back, an air extractor 19 is connected with an air suction pipe 20 at the air suction end of the air extractor 19, a strip-shaped air hole 102 is formed at the junction cliff of the fixed table 1 and the spot welding table 101, and a screw hole 105 and an air inlet 106 which are communicated with the strip-shaped air hole 102 are respectively formed on the upper surface of the fixed table 1; the smoke exhaust pipe 20 is communicated with the air inlet hole 106, the top end of the screw hole I105 is inserted with a poking knob 2, and the bottom end of the poking knob 2 is fixed with an air deflector 21; by the air extractor 19, the smoke generated during spot welding can be sucked, and the environmental pollution is reduced.
When the device is used, the distance between the opposite ends of the two electrode rods 6 and the upper side and the lower side of the workpiece to be welded is adjusted according to the thickness of the workpiece to be welded, and after the distances are the same, the fastening bolts are fixed; during feeding, a workpiece to be welded is advanced against the upper surface of the spot welding table 101, slowly passes through the press roller 7 and enters a spot welding position, and then the speed reducing motor 16 is controlled to rotate until the two electrode rods 6 are driven to return to the initial position; then, the numerical control air pump 18 is started for spot welding; before spot welding, two instant high-pressure air outlet holes are opened firstly, the ejector rod shaft column 24 and the electrode rod 6 at the bottom end of the ejector rod shaft column can be punched out instantly by matching with the setting of the reset spring 94 through the numerical control air pump 18 with the instant high-pressure air outlet holes, the continuous low-pressure air outlet holes are opened at the moment until the end part of the electrode rod 6 contacts a weldment, and after the ejector rod shaft column 24 drives the electrode rod 6 to descend to the welding point position, ventilation can be carried out to temporarily fix the position of the impacted electrode rod 6 through the positioning slide block 98 and the air pipe II; then, a spot welding current switch is started to weld; after the welding is finished, the continuous low-pressure air outlet is closed, the electrode rod 6 is automatically reset, and after the reciprocating mechanism drives the electrode rod 6 to move to the spot welding position on the other side, the steps are performed for spot welding.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a straight line reciprocating type pneumatic spot welding device, includes fixed station (1), the rear side upper surface middle part of fixed station (1) is fixed with support frame (17), and the top of support frame (17) is fixed with one section and stretches to extension beam (11) of fixed station (1) middle part top, the below of extension beam (11) is provided with reciprocating mechanism, the centre of fixed station (1) is located the centre of support frame (17) and opens has muscle rib slide hole (104), and sliding connection has vertical connecting muscle floor (22) in muscle rib plate (104), the upper and lower both ends of connecting muscle floor (22) are fixed with extension fixed plate (4) that are parallel to each other and equal length respectively, and the one end that two extension fixed plates (4) kept away from support frame (17) is fixed with electrode outer bucket (5) and electrode outer bucket second (9) about fixed station (1) upper surface symmetry respectively, and electrode outer bucket second (9) structure congruent, and the upper surface of fixed station (1) is located electrode bucket second (9) and is located electrode bucket second and is in the annular gap of the outer bucket second outside the annular gap of opening of fixed station (101) in the outer bucket (9) respectively, the inside of the electrode outer barrel II (9) is provided with eccentric perforation holes (91) penetrating through two ends, the top ends of the eccentric perforation holes (91) are communicated with piston sliding holes (92) concentric with the outer wall of the electrode outer barrel II (9), the top ends of the piston sliding holes (92) are fixedly provided with barrel sealing top covers (10), and the barrel sealing top covers (10) are provided with air inlet holes I; the eccentric perforation (91) is connected with a push rod shaft column (24) in a sliding way, the top end of the push rod shaft column (24) is fixed with a piston plate (93), two mutually symmetrical reset springs (94) are fixed on the lower surface of the piston plate (93), and the bottom ends of the two reset springs (94) are fixed at the junction of the eccentric perforation (91) and the piston sliding hole (92); the bottom of the ejector rod shaft column (24) is provided with a sinking groove, the bottom of the sinking groove is fixedly provided with a buffer spring, and one end of the buffer spring, which is far away from the bottom of the groove, is fixedly provided with an electrode rod (6).
2. The linear reciprocating type pneumatic spot welding device according to claim 1, wherein two baffle clamping grooves (96) which are symmetrical to each other are formed in the top end of the eccentric perforation (91), spring baffles (95) are fixed at the bottoms of the two baffle clamping grooves (96), the bottom ends of the return springs (94) are fixed on the spring baffles (95), a numerical control air pump (18) is fixed at the rear side of the fixing table (1) close to the middle part, the numerical control air pump (18) comprises two instant high-pressure air outlet holes and two continuous low-pressure air outlet holes, and a first air pipe is communicated between one instant high-pressure air outlet hole and a first air inlet hole at the top end of the electrode outer barrel (9).
3. The linear reciprocating type pneumatic spot welding device according to claim 2, wherein a positioning protrusion (97) with a rectangular structure is reserved on the outer wall of the electrode outer barrel II (9), a shell-shaped structure communicated with the eccentric perforation (91) is arranged inside the positioning protrusion (97), and a positioning sliding block (98) which slides radially is arranged inside the positioning protrusion (97); the outer wall of the positioning bulge (97) is provided with a round hole matched with the positioning slide block (98), the outer side of the round hole is provided with an air inlet outer cover (99), one end, far away from the ejector rod shaft column (24), of the positioning slide block (98) is slidably connected with the inner wall of the air inlet outer cover (99), and one side, close to the ejector rod shaft column (24), of the positioning slide block (98) is provided with a rubber gasket; and a second gas pipe is inserted at the bottom of the cylinder of the gas inlet outer cover (99), and the second gas pipe is communicated with one of the continuous low-pressure gas outlet holes.
4. A linear reciprocating type pneumatic spot welding device as claimed in claim 3, wherein the outer wall of the ejector pin shaft column (24) is provided with an anti-slip surface on one side close to the positioning slide block (98), and the position of the anti-slip surface is matched with the position of the rubber gasket.
5. A linear reciprocating type pneumatic spot welding device according to claim 3, characterized in that the lower surface of the fixed table (1) is fixed with a bracket (3), and the bracket (3) is provided with a limit bar and a carrier roller which are matched with the extension fixed plate (4); an air inlet hole II is formed in a barrel sealing top cover (10) of the electrode outer barrel I (5), an air pipe III is communicated between the air inlet hole II and another instant high-pressure air outlet hole, and an air pipe IV is communicated between an air inlet end of an air inlet outer cover (99) in the middle of the electrode outer barrel I (5) and another continuous low-pressure air outlet hole; the opposite ends of the two electrode bars (6) are the same as the distance between the upper and lower surfaces of the object on the spot welding table (101).
6. The linear reciprocating type pneumatic spot welding device according to claim 1, wherein the reciprocating mechanism comprises a gear motor (16) fixed below the rear end of the extension beam (11), a longitudinally extending mounting hole (13) is formed in the middle of the extension beam (11), vertical bearing hanging seats (23) are respectively arranged at two ends of the lower surface of the extension beam (11) located at the mounting hole (13), the same driving roller (12) is rotatably connected between the two bearing hanging seats (23), a closed protruding rib (121) reciprocating at two ends is arranged on the circumferential outer wall of the driving roller (12), and the end part of the driving roller (12) is connected with an output shaft of the gear motor (16) through a coupler; the upper surface of extension fixed plate (4) near the top is fixed with the roller frame, and the top of roller frame is fixed with two vertical clamping wheels, and two clamping wheels are located the both sides of protruding rib (121), and the centre of support frame (17) is fixed with two relative and parallel groove type slide rails of opening each other, and is located extension fixed plate (4) sliding connection at top between two groove type slide rails.
7. The linear reciprocating type pneumatic spot welding device according to claim 6, wherein a chute is formed in the inner wall of the mounting hole (13) right above the end part of the driving roller (12), a T-shaped sliding block is connected in a sliding manner in the chute, a positioning electromagnet (14) is fixed on one side of the T-shaped sliding block far away from the bottom of the chute, and a permanent magnet (15) matched with the positioning electromagnet (14) is embedded on the circumferential outer wall of the driving roller (12).
8. A straight reciprocating pneumatic spot welding apparatus as claimed in claim 1, characterized in that the spot welding table (101) is provided with rectangular holes (103) longitudinally distributed, and the rectangular holes (103) are not in contact with the outer wall of the electrode rod (6).
9. The linear reciprocating type pneumatic spot welding device according to claim 1, wherein a press roller frame (8) extending to the upper surface of the spot welding table (101) is arranged on the upper surface of the fixed table (1), a press roller (7) is arranged below the press roller frame (8), and a torsion spring is arranged at a hinge point of the press roller (7).
10. The linear reciprocating type pneumatic spot welding device according to claim 1, wherein a numerical control air pump (18) is fixed on the upper surface of the fixed table (1) close to the back, an air extractor (19) is arranged, an air suction end of the air extractor (19) is communicated with an air suction pipe (20), a strip-shaped air hole (102) is formed in a junction cliff of the fixed table (1) and the spot welding table (101), and a screw hole I (105) and an air inlet hole (106) which are communicated with the strip-shaped air hole (102) are formed in the upper surface of the fixed table (1) respectively; the smoke exhaust pipe (20) is communicated with the air inlet hole (106), the top end of the screw hole I (105) is inserted with a poking knob (2), and the bottom end of the poking knob (2) is fixedly provided with an air deflector (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311346894.5A CN117086455B (en) | 2023-10-18 | 2023-10-18 | Linear reciprocating pneumatic spot welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311346894.5A CN117086455B (en) | 2023-10-18 | 2023-10-18 | Linear reciprocating pneumatic spot welding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117086455A true CN117086455A (en) | 2023-11-21 |
| CN117086455B CN117086455B (en) | 2023-12-12 |
Family
ID=88772081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311346894.5A Active CN117086455B (en) | 2023-10-18 | 2023-10-18 | Linear reciprocating pneumatic spot welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117086455B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB761032A (en) * | 1953-11-19 | 1956-11-07 | British Thomson Houston Co Ltd | Process and apparatus for making solder terminals for electric lamps |
| KR100991200B1 (en) * | 2010-08-02 | 2010-11-01 | 이수연 | Elbow pipe automatic welding equipment |
| CN115157462A (en) * | 2022-07-08 | 2022-10-11 | 九江澳菲奢居建材有限公司 | Cutting device is used in production of mosaic ceramic tile |
| CN115503124A (en) * | 2022-09-01 | 2022-12-23 | 江西拓源精密机械有限公司 | Marble cutting device |
| CN116160166A (en) * | 2023-04-23 | 2023-05-26 | 上海君屹工业自动化股份有限公司 | Intelligent flexible automatic station for welding frames of battery boxes of new energy automobiles |
-
2023
- 2023-10-18 CN CN202311346894.5A patent/CN117086455B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB761032A (en) * | 1953-11-19 | 1956-11-07 | British Thomson Houston Co Ltd | Process and apparatus for making solder terminals for electric lamps |
| KR100991200B1 (en) * | 2010-08-02 | 2010-11-01 | 이수연 | Elbow pipe automatic welding equipment |
| CN115157462A (en) * | 2022-07-08 | 2022-10-11 | 九江澳菲奢居建材有限公司 | Cutting device is used in production of mosaic ceramic tile |
| CN115503124A (en) * | 2022-09-01 | 2022-12-23 | 江西拓源精密机械有限公司 | Marble cutting device |
| CN116160166A (en) * | 2023-04-23 | 2023-05-26 | 上海君屹工业自动化股份有限公司 | Intelligent flexible automatic station for welding frames of battery boxes of new energy automobiles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117086455B (en) | 2023-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110860838B (en) | Positioning fixture for welding oil cup | |
| CN202344130U (en) | Laser welding worktable | |
| CN105817755A (en) | Axle housing plasma cutting machine | |
| CN117086455B (en) | Linear reciprocating pneumatic spot welding device | |
| CN101670391A (en) | Butt welding elbow back-arc trimmer | |
| CN218612541U (en) | Glove mold main body full-length welding device | |
| JP2003326326A (en) | Press unit | |
| CN210475222U (en) | Stamping die | |
| CN209773627U (en) | Automatic pressure maintaining and flash pushing mechanism provided with sectional type flash pushing cutter and used for fixed flash welding machine | |
| CN208800957U (en) | It is a kind of for welding the device of revolving body | |
| CN112823954A (en) | Device for improving forging safety of vehicle gear by utilizing stamping stroke | |
| CN217052355U (en) | Spray gun clamping automatic moving expansion bracket | |
| CN108555537A (en) | A kind of automobile chassis suspension arm moulding process | |
| CN219966736U (en) | High-efficient spot welder with remove spot welder head function | |
| CN115195133B (en) | Automatic ultrasonic sewing machine for inner sleeves of mattresses | |
| CN205129207U (en) | Vapour car skeleton assembly shedder | |
| CN213351268U (en) | Cutting head welding device for elevator door sleeve | |
| CN216551145U (en) | Burr blowing mechanism | |
| CN219171822U (en) | Integrated circular welding machine | |
| CN112192005B (en) | Automatic welding workstation for new energy vehicle frame | |
| CN214235864U (en) | High-efficient automobile-used air conditioner aluminium sleeve blind hole stamping device | |
| CN209647223U (en) | A kind of steekle mill accident emergency shear | |
| CN211489470U (en) | Device for improving forging safety of vehicle gear by utilizing stamping stroke | |
| CN213558078U (en) | Four-upright-column lifting type glue injection device | |
| CN218363285U (en) | Novel multifunctional production system for machining outer body of fire damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |