CN113523528A - Welding device for agricultural machinery transverse transmission rod limiting bracket with shaft part and arc part - Google Patents
Welding device for agricultural machinery transverse transmission rod limiting bracket with shaft part and arc part Download PDFInfo
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- CN113523528A CN113523528A CN202110518980.4A CN202110518980A CN113523528A CN 113523528 A CN113523528 A CN 113523528A CN 202110518980 A CN202110518980 A CN 202110518980A CN 113523528 A CN113523528 A CN 113523528A
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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
- B23K11/36—Auxiliary equipment
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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
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
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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
- B23K11/36—Auxiliary equipment
- B23K11/362—Contact means for supplying welding current to the electrodes
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Butt Welding And Welding Of Specific Article (AREA)
- Agricultural Machines (AREA)
Abstract
Welding set of the spacing support of the horizontal drive rod of agricultural machinery with axial region and arc portion, wherein the arc portion sets up in axial region one end and has the pinhole, and welding set includes material loading and positioner and welding mechanism, and material loading and positioner are used for carrying and fix a position axial region and arc portion, and welding mechanism welds the arc portion in axial region one end afterwards. Material loading and positioner include: a frame; a shaft part positioning seat and an arc part positioning seat which are respectively arranged on the frame; the press-contact driving mechanism is used for applying acting force to the arc part and/or the shaft part to enable the arc part and the shaft part to be relatively close to press contact; the shaft part feeding mechanism is used for conveying the shaft part to the shaft part positioning seat; and the arc part feeding mechanism is used for conveying the arc part to the arc part positioning seat. According to the welding device disclosed by the invention, the positioning accuracy of the shaft part and the arc part is greatly improved, the welding efficiency is improved, and the produced limiting bracket is good in consistency.
Description
The application is a divisional application of Chinese patent application with the application number of 201910209552.6 and the name of 'welding device for limit bracket of agricultural machinery transverse transmission rod and welding positioning device thereof'.
Technical Field
The invention relates to a welding device for a limiting bracket of a transverse transmission rod of an agricultural machine and a welding positioning device thereof.
Background
The agricultural machine transverse transmission rod is applied to power transmission of modern agricultural machinery, is most commonly used in a tractor and agricultural equipment, or is applied to power transmission between a power output end and an input end of the agricultural machinery, so that the agricultural machinery achieves a normal working relation, and the limiting bracket applied to the agricultural machine transverse transmission rod plays an important role in limiting the installation of the agricultural machine transverse transmission rod. As shown in fig. 1, the spacing support of agricultural machinery horizontal drive rod mainly includes axial region 2 and sets up the arc portion 7 at 2 tip of axial region, arc portion 7 has pinhole 701, it is concrete, axial region 2 is the cylinder structure, arc portion 7 is the half cylinder structure, the direction that uses the both ends face of perpendicular to arc portion 7 is the width direction of arc portion 7, arc portion 7 still includes the arc length direction that extends along the circular arc, the crossing point that arc line and arc length bisector straight line are crossing is the central point of arc portion 7 is equallyd divide to the width of arc portion 7, the central point that the axis of axial region 2 passes through arc portion 7 puts.
The shaft part and the arc part of the limiting bracket are connected by welding, when the limiting bracket is produced in batches in a factory, the welding between the shaft part and the arc part needs to be accurately positioned so as to achieve the accurate welding of the shaft part and the arc part, in the prior art, when the shaft part and the arc part are welded, the shaft part and the arc part need to be positioned respectively, the shaft part and the arc part are welded by hand after the positioning is finished, the limiting bracket is taken down after the welding is finished, the shaft part and the arc part of the next group are positioned respectively and welded by hand, and the batch production of the limiting bracket is carried out in sequence, so that the problems of low processing efficiency and large production input labor caused by high manual participation in the actual production process can be solved; simultaneously, because axial region and arc portion all pass through artifical location, certain error can appear in positioning accuracy inevitable, and this just causes the spacing support uniformity of producing relatively poor, and manual welding has bad phenomena such as welding deformation is big, intensity is low, easy fracture.
Disclosure of Invention
The invention aims to provide a welding device for a limiting bracket of a transverse transmission rod of an agricultural machine, which is used for improving the welding efficiency of the transverse transmission rod of the agricultural machine while ensuring the welding positioning precision of the transverse transmission rod. The invention also aims to provide a welding positioning device to improve the welding positioning precision and the welding efficiency of the limiting bracket of the transverse transmission rod of the agricultural machine.
In order to achieve the purpose, the welding device for the limiting bracket of the transverse transmission rod of the agricultural machine adopts the following technical scheme: the welding device comprises a welding positioning device and a welding mechanism for welding an arc part and a shaft part which are pressed and contacted together, wherein the welding positioning device comprises a rack with a set reference axis, a shaft part positioning seat is arranged on the rack, a shaft part positioning structure is arranged on the shaft part positioning seat, the shaft part positioning structure is a positioning straight hole or a positioning straight groove, and the shaft part positioning structure is provided with a positioning side wall which is used for being matched with the shaft part in a positioning mode so that the axis of the shaft part is coincident with the set reference axis; the arc part positioning seat is provided with a positioning pin and a positioning piece which is used for supporting, positioning and matching with the arc part along the direction vertical to the width direction of the arc part, the positioning pin is used for positioning and matching with a pin hole of the arc part so as to enable the arc length equal dividing straight line of the arc part to be vertically intersected with the reference axis, the positioning pin is provided with a positioning pin driving mechanism for controlling the positioning pin to axially extend and retract along the positioning pin, and the arc part positioning seat is further provided with a blocking positioning structure which is used for positioning and matching with the arc part so as to enable the width equal dividing arc line of the arc part to be intersected with the reference axis; the welding positioning device also comprises a press-contact driving mechanism which is used for applying acting force to the arc part and/or the shaft part to enable the arc part and the shaft part to be relatively close to press contact; the welding positioning device further comprises a shaft part feeding mechanism arranged on the rack and used for conveying the shaft part to the shaft part positioning seat and an arc part feeding mechanism used for conveying the arc part to the arc part positioning seat, and the arc part feeding mechanism is provided with a arrival controller which controls the arc part feeding mechanism to stop when the arc part is conveyed to the position where the axis of the pin hole coincides with the axis of the positioning pin so that the positioning pin penetrates into the corresponding pin hole.
The beneficial effects of the above technical scheme are: the shaft part feeding mechanism and the arc part feeding mechanism respectively and accurately convey the shaft part and the arc part to the shaft part positioning seat and the arc part positioning seat, the shaft part is positioned by the shaft part positioning structure, the arc part is positioned by the positioning pin and the positioning piece, and the stop positioning structure on the arc part positioning seat further ensures that the positioning position of the arc part is accurately corresponding to the shaft part, namely, in order to align the central position of the arc part to the corresponding shaft part, by designing the positioning piece to support, position and match with the arc part in the direction vertical to the width direction of the arc part and vertically intersecting the arc length equal dividing straight line of the arc part and the reference axis through the positioning pin, and the width equal-dividing arc line of the arc part is intersected with the reference axis through the stopping and positioning structure, so that the extending path of the reference axis can be integrally ensured to pass through the intersection position of the arc length equal-dividing straight line of the arc part and the width equal-dividing arc line, and the relative positioning of the arc part and the shaft part is realized. The press-touch driving mechanism applies acting force to the shaft part and/or the arc part to enable the shaft part and the arc part to be close to each other, when the shaft part and the arc part are close to the press-touch, the feeding mechanism of the arc part can be controlled by the controller to stop working so as to avoid collision of the subsequent arc part and the arc part which is being welded, and finally, the shaft part and the arc part which are close to each other are welded through the welding mechanism to form a limiting support of the transverse transmission rod of the agricultural machine. Like this, the positioning accuracy of axial region and arc portion improves greatly, has also improved welding efficiency, and owing to formed the spacing support of production line production agricultural machinery horizontal drive pole for the spacing support uniformity of producing out is better, has reduced the required manpower that drops into of production.
Further, the setting element is for being used for along the locating piece of the axial of benchmark axis insertion arc portion, the locating piece has the arc terminal surface that is used for with the interior cambered surface adaptation laminating of arc portion in order to support the arc portion. The arc-shaped end face increases the contact area between the positioning block and the inner arc surface of the arc part, and the positioning and supporting effect is better.
Further, the press-contact driving mechanism comprises an arc part driving structure which is connected with the positioning block and drives the positioning block to reciprocate along the direction of the reference axis so as to drive the arc part to move, and the welding positioning device further comprises a guide mechanism which is in guide fit with the positioning pin so that the positioning pin follows the arc part to move. The guide mechanism enables the positioning pin to still limit the arc part in the moving process of the arc part, so that the arc part and the positioning block do not move relatively.
Furthermore, the guide mechanism comprises a transverse guide rail arranged on the rack and extending along the blocking direction of the blocking positioning mechanism, a sliding block is arranged on the transverse guide rail, the guide mechanism also comprises a longitudinal guide rail arranged on the sliding block and extending along the direction parallel to the reference axis, and the positioning pin is assembled on the longitudinal guide rail in a guiding and sliding manner. The transverse guide rail is arranged on the stop positioning structure matched with the arc part in a stop manner, the transverse guide rail is matched and connected with the longitudinal guide rail through the sliding block, the moving route of the positioning pin can be controlled more accurately through the guide rail matched with the transverse guide rail and the longitudinal guide rail, the limiting effect of the arc part in the moving process is more stable, and the positioning effect is better.
Further, the shaft part positioning structure is a positioning straight groove, and a pressing block used for pressing the shaft part after the shaft part is placed in the positioning straight groove is further arranged on the shaft part positioning seat. The shaft part can be directly placed into the positioning straight groove and then is compressed through the compressing block, and the shaft part is simple in process and convenient to use.
Further, the conveying directions of the shaft part feeding mechanism and the arc part feeding mechanism are opposite, and the shaft part feeding mechanism and the arc part feeding mechanism are arranged in a staggered mode along the direction perpendicular to the conveying direction. The shaft part and the arc part are conveyed to the middle part from two directions for welding, so that the shaft part and the arc part are conveniently centered and fixed, and the process is simple.
Further, the arc part feeding mechanism is provided with an arc-shaped long groove which is used for being matched with the arc part in positioning and extending along the feeding direction, the arc-shaped long groove is used for being matched with the arc part in positioning so that the radial direction of the middle point of the length direction of the arc part is parallel to the reference axis, and the arc part feeding mechanism is further provided with a pushing mechanism which is used for pushing the arc part to convey the arc parts one by one along the extending direction of the arc-shaped long groove. The arc-shaped long groove is matched with the arc part arranged in the arc-shaped long groove and positions the arc part, which is equivalent to realize the pre-positioning of the arc part, so that the arc part can be directly inserted into the positioning pin after reaching the arc part positioning seat.
Further, welding mechanism is resistance welding machine, including the power and connect on the power be used for with each axial region and the first electrode terminal and the second electrode terminal that the arc portion that corresponds is connected respectively, press and touch actuating mechanism and include that exert the effort to the setting element and make arc portion and axial region be close to relatively press the push rod that touches, second electrode terminal is connected with the setting element is electrically conductive and is electrically conducted the intercommunication with arc portion. Weld through resistance welding, weld more accurately, efficiency is higher.
In order to achieve the purpose, the welding and positioning device for the limiting bracket of the transverse transmission rod of the agricultural machine adopts the following technical scheme: the welding and positioning device comprises a rack with a set reference axis, wherein a shaft part positioning seat is arranged on the rack, a shaft part positioning structure is arranged on the shaft part positioning seat, the shaft part positioning structure is a positioning straight hole or a positioning straight groove, and the shaft part positioning structure is provided with a positioning side wall which is used for being in positioning fit with the shaft part so as to enable the axis of the shaft part to be coincident with the set reference axis; the arc part positioning seat is provided with a positioning pin and a positioning piece which is used for supporting, positioning and matching with the arc part along the direction vertical to the width direction of the arc part, the positioning pin is used for positioning and matching with a pin hole of the arc part so as to enable the arc length equal dividing straight line of the arc part to be vertically intersected with the reference axis, the positioning pin is provided with a positioning pin driving mechanism for controlling the positioning pin to axially extend and retract along the positioning pin, and the arc part positioning seat is further provided with a blocking positioning structure which is used for positioning and matching with the arc part so as to enable the width equal dividing arc line of the arc part to be intersected with the reference axis; the welding positioning device also comprises a press-contact driving mechanism which is used for applying acting force to the arc part and/or the shaft part to enable the arc part and the shaft part to be relatively close to press contact; the welding positioning device further comprises a shaft part feeding mechanism arranged on the rack and used for conveying the shaft part to the shaft part positioning seat and an arc part feeding mechanism used for conveying the arc part to the arc part positioning seat, and the arc part feeding mechanism is provided with a arrival controller which controls the arc part feeding mechanism to stop when the arc part is conveyed to the position where the axis of the pin hole coincides with the axis of the positioning pin so that the positioning pin penetrates into the corresponding pin hole.
The beneficial effects of the above technical scheme are: the shaft part feeding mechanism and the arc part feeding mechanism respectively and accurately convey the shaft part and the arc part to the shaft part positioning seat and the arc part positioning seat, the shaft part is positioned by the shaft part positioning structure, the arc part is positioned by the positioning pin and the positioning piece, and the stop positioning structure on the arc part positioning seat further ensures that the positioning position of the arc part is accurately corresponding to the shaft part, namely, in order to align the central position of the arc part to the corresponding shaft part, by designing the positioning piece to support, position and match with the arc part in the direction vertical to the width direction of the arc part and vertically intersecting the arc length equal dividing straight line of the arc part and the reference axis through the positioning pin, and the width equal-dividing arc line of the arc part is intersected with the reference axis through the stopping and positioning structure, so that the extending path of the reference axis can be integrally ensured to pass through the intersection position of the arc length equal-dividing straight line of the arc part and the width equal-dividing arc line, and the relative positioning of the arc part and the shaft part is realized. The press-touch driving mechanism applies acting force to the shaft part and/or the arc part to enable the shaft part and the arc part to be close to each other, when the shaft part and the arc part are close to each other, the feeding mechanism of the arc part can be controlled by the controller to stop working so as to avoid collision of the subsequent arc part with the moving arc part, and finally, the shaft part and the arc part which are close to each other are welded through the welding mechanism to form a limiting support of the transverse transmission rod of the agricultural machine. Like this, the positioning accuracy of axial region and arc portion improves greatly, has also improved welding efficiency, and owing to formed the spacing support of production line production agricultural machinery horizontal drive pole for the spacing support uniformity of producing out is better, has reduced the required manpower that drops into of production.
Further, the setting element is for being used for along the locating piece of the axial of benchmark axis insertion arc portion, the locating piece has the arc terminal surface that is used for with the interior cambered surface adaptation laminating of arc portion in order to support the arc portion. The arc-shaped end face increases the contact area between the positioning block and the inner arc surface of the arc part, and the positioning and supporting effect is better.
Further, the press-contact driving mechanism comprises an arc part driving structure which is connected with the positioning block and drives the positioning block to reciprocate along the direction of the reference axis so as to drive the arc part to move, and the welding positioning device further comprises a guide mechanism which is in guide fit with the positioning pin so that the positioning pin follows the arc part to move. The guide mechanism enables the positioning pin to still limit the arc part in the moving process of the arc part, so that the arc part and the positioning block do not move relatively.
Furthermore, the guide mechanism comprises a transverse guide rail arranged on the rack and extending along the blocking direction of the blocking positioning mechanism, a sliding block is arranged on the transverse guide rail, the guide mechanism also comprises a longitudinal guide rail arranged on the sliding block and extending along the direction parallel to the reference axis, and the positioning pin is assembled on the longitudinal guide rail in a guiding and sliding manner. The transverse guide rail is arranged on the stop positioning structure matched with the arc part in a stop manner, the transverse guide rail is matched and connected with the longitudinal guide rail through the sliding block, the moving route of the positioning pin can be controlled more accurately through the guide rail matched with the transverse guide rail and the longitudinal guide rail, the limiting effect of the arc part in the moving process is more stable, and the positioning effect is better.
Further, the shaft part positioning structure is a positioning straight groove, and a pressing block used for pressing the shaft part after the shaft part is placed in the positioning straight groove is further arranged on the shaft part positioning seat. The shaft part can be directly placed into the positioning straight groove and then is compressed through the compressing block, and the shaft part is simple in process and convenient to use.
Further, the conveying directions of the shaft part feeding mechanism and the arc part feeding mechanism are opposite, and the shaft part feeding mechanism and the arc part feeding mechanism are arranged in a staggered mode along the direction perpendicular to the conveying direction. The shaft part and the arc part are conveyed to the middle part from two directions for welding, so that the shaft part and the arc part are conveniently centered and fixed, and the process is simple.
Further, the arc part feeding mechanism is provided with an arc-shaped long groove which is used for being matched with the arc part in positioning and extending along the feeding direction, the arc-shaped long groove is used for being matched with the arc part in positioning so that the radial direction of the middle point of the length direction of the arc part is parallel to the reference axis, and the arc part feeding mechanism is further provided with a pushing mechanism which is used for pushing the arc part to convey the arc parts one by one along the extending direction of the arc-shaped long groove. The arc-shaped long groove is matched with the arc part arranged in the arc-shaped long groove and positions the arc part, which is equivalent to realize the pre-positioning of the arc part, so that the arc part can be directly inserted into the positioning pin after reaching the arc part positioning seat.
Drawings
FIG. 1 is a schematic structural view of a limiting bracket of a transverse transmission rod of an agricultural machine in the prior art; FIG. 2 is a schematic structural view of the welding and positioning device for the limiting bracket of the transverse transmission rod of the agricultural machine; description of reference numerals: 1-shaft part positioning seat, 2-shaft part, 3-positioning straight groove, 4-pressing block, 5-positioning pin, 6-shaft part feeding mechanism, 7-arc part, 701-pin hole, 8-positioning block, 9-baffle plate, 10-arc long groove and 11-manipulator.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
The invention relates to a welding device for a limit bracket of a transverse transmission rod of an agricultural machine, which comprises the following specific embodiments: the welding device for the limiting bracket of the transverse transmission rod of the agricultural machine comprises a welding positioning device and a welding mechanism for welding an arc part and a shaft part which are pressed and contacted together, wherein the welding mechanism is a resistance welding machine, the resistance welding machine comprises a power supply and a first electrode terminal and a second electrode terminal which are connected to the power supply (the specific structure and the use form of the resistance welding machine are consistent with those of the resistance welding machine in the prior art, so that the connection position of the electrodes is only given in the figure, and a person skilled in the art can select the corresponding resistance welding machine to connect according to needs without detailed description).
As shown in fig. 2, the welding and positioning device includes a frame (not shown in the figure) having a set reference axis, the frame is provided with a shaft portion positioning seat 1 and an arc portion positioning seat, the shaft portion positioning seat 1 and the arc portion positioning seat are respectively used for fixing a shaft portion 2 and an arc portion 7, correspondingly, the frame is further provided with a shaft portion feeding mechanism 6 and an arc portion feeding mechanism, the shaft portion feeding mechanism is used for respectively conveying the shaft portion 2 and the arc portion 7 to the shaft portion positioning seat 1 and the arc portion positioning seat, and specifically, the arc portion feeding mechanism is an arc-shaped elongated slot 10. Axial region feed mechanism 6 and arc portion feed mechanism's direction of delivery is opposite, and the two is along perpendicular to direction of delivery dislocation arrangement, like this, carries axial region 2 and arc portion 7 to the middle part from two directions and welds, has been convenient for the alignment of the two fixed.
The shaft part positioning seat 1 is provided with a shaft part positioning mechanism, namely a positioning straight groove 3, and the inner side wall of the positioning straight groove 3 forms a positioning side wall which is in positioning fit with the shaft part 2 so as to enable the axis of the shaft part 2 to coincide with a set reference axis; still be provided with compact heap 4 on the axial region positioning seat 1, compact heap 4 can reciprocate by the control of pneumatic cylinder (not shown in the figure), when axial region 2 moves to being close to axial region positioning seat 1 on axial region feed mechanism 6, place on axial region positioning seat 1 by manipulator 11 centre gripping axial region 2, fall into in location straight flute 3 and with the inside wall location fit of location straight flute 3, then, pneumatic cylinder control compact heap 4 moves down in order to compress tightly axial region 2, and simultaneously, manipulator 11 is connected with resistance welding machine's first electrode terminal, for the welding preparation. The shaft part positioning seat 1 is also provided with an in-place control module and an in-place switch (not shown in the figure), the in-place switch is arranged at a set position on the shaft part feeding mechanism 6, when one shaft part 2 is conveyed to the set position, the in-place switch is triggered to transmit a signal to the in-place control module, the in-place control module immediately controls the shaft part feeding mechanism 6 to stop working so as to reserve enough time for welding the welded shaft part 2, the subsequent shaft part 2 is prevented from colliding with the welding shaft part 2, meanwhile, the in-place control module transmits the signal to the manipulator 11, the manipulator 11 clamps the shaft part 2 to be placed on the shaft part positioning seat 1, and after the shaft part is welded and taken out, the in-place control module continues to sequentially control the shaft part feeding mechanism 6 and the manipulator 11 to act sequentially to feed the next shaft part.
In order to be matched with the arc part 7 of the semi-cylinder structure, the arc part feeding mechanism is provided with an arc-shaped long groove 10, the arc-shaped long groove 10 can be matched with the arc part 7 in a positioning mode so that the radial direction of the middle point of the length direction of the arc part 7 is parallel to the reference axis, and the arc part 7 can be positioned in the arc-shaped long groove 10 in a fixed posture and cannot rotate relative to the arc-shaped long groove 10 in the moving process. The arc part feeding mechanism further comprises a pushing mechanism (not shown in the figure), and the arc part 7 is conveyed to the arc part positioning seat along the arc-shaped long groove 10 under the pushing of the pushing mechanism. The arc part feeding mechanism is also provided with an in-place control module and an in-place switch (not shown in the figure), the in-place switch is arranged at a set position on the arc part feeding mechanism, when one arc part 7 is conveyed to the set position, the in-place switch is triggered, the in-place switch transmits a signal to the in-place control module, the in-place control module immediately controls the arc part feeding mechanism to stop working so as to reserve enough time for welding the arc part 7 for welding, the subsequent arc part is prevented from colliding with the arc part 7 which is being welded, and after the arc part finishes welding and is taken out, the in-place control module continues to control the arc part feeding mechanism to act so as to feed the next arc part.
The in-place switch in the present embodiment is a travel switch, specifically model LXK 3.
Be equipped with locating pin 5 and setting element on the arc portion positioning seat, the setting element is locating piece 8, locating pin 5 passes through locating pin actuating mechanism and is the drive of pneumatic cylinder (not shown in the figure), locating pin 5 sets up on the piston rod of pneumatic cylinder, through the flexible of control piston rod, can realize locating pin 5's reciprocating motion, locating pin 5 can peg graft and realize the location fit with arc portion 7 in the pinhole 701 of arc portion 7, when the piston rod stretches out, locating pin 5 inserts in the pinhole 701, after the welding, the piston rod withdrawal, drive locating pin 5 and pinhole 701 separation. Locating piece 8 is used for supporting location cooperation with arc portion 7 along the width direction of perpendicular to arc portion 7, and is concrete, and locating piece 8 has the arc terminal surface with arc portion 7's intrados adaptation laminating in order to support arc portion 7, and the arc terminal surface has increased the area of contact of the intrados of locating piece 8 with arc portion 7, and the supporting effect is better. The arc part positioning seat is further provided with a blocking and positioning structure, namely a baffle plate 9, the baffle plate 9 can block and limit the arc part 7 in the width extending direction of the arc part 7, so that under the matched positioning support of the positioning pin 5, the positioning block 8 and the baffle plate 9, the arc length equal division straight line of the arc part 7 can be stably kept in a state of being vertically intersected with the reference axis, the width equal division arc line is stably kept to be intersected with the reference axis, namely the arc part 7 is stably positioned in a fixed posture, and preparation is made for welding.
The welding positioning device further comprises a press-touch driving mechanism, the press-touch driving mechanism is used for applying acting force to the arc part 7 so as to enable the arc part 7 and the shaft part 2 to be relatively close to each other and press-touch, specifically, the press-touch driving mechanism comprises an arc part driving mechanism and a push rod, the arc part driving mechanism is a second electrode terminal of the resistance welding machine, the push rod is a telescopic rod of an air cylinder which is positioned between the second electrode terminal and the positioning block 8 and connected with the second electrode terminal, the second electrode terminal is electrically connected with the positioning block 8 and electrically communicated with the arc part 7, and the positioning block 8 is driven to reciprocate along the direction of a reference axis so as to drive the arc part 7 to move; the cylinder drives the push rod to apply acting force to the positioning block 8 under the driving of the second electrode terminal so as to realize the action of the arc part 7. When the arc part 7 moves to press the shaft part 2, the arc part 7 and the shaft part 2 can be welded through a resistance welding machine, so that an integrated limiting support of the transverse transmission rod for the agricultural machine is formed.
Because locating pin 5 cooperates with locating piece 8 and baffle 9 jointly to arc portion 7 location support, still can carry on spacingly to arc portion 7 in order to make locating pin 5 in the removal process of arc portion 7, and do not take place relative motion with locating piece 8, still be provided with guiding mechanism among the welding position device, guiding mechanism can cooperate so that locating pin 5 follows the action of arc portion 7 with locating pin 5 direction, fully guarantees the stability of the gesture of arc portion 7. Specifically, the guide mechanism comprises a transverse guide rail and a longitudinal guide rail, the transverse guide rail is arranged on the rack and extends along the blocking direction of the baffle 9, a sliding block is arranged on the transverse guide rail, the longitudinal guide rail is arranged on the sliding block and extends along the direction parallel to the reference axis, and the positioning pin 5 is assembled on the longitudinal guide rail in a guiding and sliding manner, so that the moving route of the positioning pin 5 can be controlled more accurately by the guide rail in transverse and longitudinal matching, the limiting effect of the arc part 7 in the moving process is more stable, and the positioning effect is better.
Welding set still includes PLC controller (not shown in the figure), the controller model is Micro 800's small-size editable logic controller, foretell control shaft part feed mechanism's the control module that targets in place, control arc portion feed mechanism's the control module that targets in place all belongs to a part of controller, the controller still includes the location control module of the pinhole location fit cartridge of control locating pin and arc portion, control arc portion drive structure is the drive control module of second electrode terminal, like this, each action of axial part and arc portion can obtain timely control through the PLC controller, and accurate removal is to pressing the position and welding in order to weld, each partial complex uniformity among the welding position device has been improved.
When the welding device for the limiting bracket of the transverse transmission rod of the agricultural machine works, a PLC (programmable logic controller) sends an instruction, a first control module and a second control module respectively control a shaft part feeding mechanism 6 to convey a shaft part 2 to a shaft part positioning seat 1 and a cambered part feeding mechanism to convey a cambered part 7 to a cambered part positioning seat, when one shaft part 2 is conveyed to reach the shaft part positioning seat 1, the shaft part 2 firstly touches a position switch, the position control module controls the shaft part feeding mechanism 6 to stop working after receiving a signal of the position switch so as to reserve enough time for welding the welded shaft part 2, so that the subsequent shaft part 2 is prevented from colliding with the welded shaft part 2, a manipulator 11 clamps the shaft part 2 to be placed in a positioning straight groove 3 of the shaft part positioning seat 1 and is fixed by a clamping block, and a first electrode terminal of a resistance welding machine is connected with the manipulator 11 to prepare for welding the shaft part 2; on the other hand, after one arc part 7 is conveyed to the arc part positioning seat, the arc part 7 touches the in-place switch, the in-place control module controls the arc part feeding mechanism to stop working so as to reserve enough time for welding the arc part 7 to be welded so as to prevent the subsequent arc part 7 from colliding with the arc part 7 being welded, the positioning control module immediately controls the positioning pin 5 to enter the pin hole 701 of the arc part 7 through the piston rod of the hydraulic cylinder, meanwhile, under the matched positioning support of the positioning block 8 and the baffle plate 9, the arc part 7 is stably positioned, and the second electrode terminal of the resistance welding machine is in conductive connection with the positioning block 8 and is in conductive communication with the arc part to prepare for welding. After the preparation work is ready, the PLC sends out an instruction, the second electrode terminal controlled by the driving control module drives the push rod to move, acting force is applied to the positioning block 8 through the push rod so that the positioning block 8 pushes the arc portion 7 to move towards the position of the shaft portion 2, and meanwhile, the hydraulic cylinder and the positioning pin 5 synchronously move along with the arc portion 7 under the guiding fit of the guiding mechanism so that the arc portion 7 can still be stably positioned by being matched with the positioning block 8 in the moving process of the arc portion 7. After arc portion 7 removed to press with axial region 2, weld arc portion 7 and axial region 2 through resistance welder, form the spacing support of integrative agricultural machinery with horizontal drive rod. The manipulator is utilized to take out the agricultural machinery transverse transmission rod limiting support from the device, then the PLC continues to send out instructions, the positioning pin is reset under the driving of the piston rod of the hydraulic cylinder, and the production of the next agricultural machinery transverse transmission rod limiting support is started.
In this embodiment, the welding mechanism is a resistance welder, and in other embodiments, the welding mechanism may also be a gas shielded welder, a submerged arc welder, or a manual electric arc welder.
In this embodiment, the push rod applies a force to the positioning member to push the arc portion to move toward the shaft portion, and in other embodiments, the push rod may also apply a force to the shaft portion to push the shaft portion to move toward the arc portion.
In this embodiment, the arc part feeding mechanism has an arc-shaped long groove adapted to be positioned with the arc part and extending in the feeding direction, and the arc-shaped long groove is adapted to be positioned with the arc part disposed therein. In other embodiments, the arc-shaped long groove may not be provided, the arc-shaped part feeding mechanism is only responsible for conveying the arc part, and if the arc part rotates relatively in the arc-shaped part feeding mechanism, the arc part can be manually adjusted in posture after reaching the arc part positioning seat, so that the pin hole of the arc part is matched with the positioning pin.
In this embodiment, the conveying directions of the shaft portion feeding mechanism and the arc portion feeding mechanism are opposite, and in other embodiments, the conveying directions of the shaft portion feeding mechanism and the arc portion feeding mechanism may be the same, that is, arranged on the same side.
In this embodiment, axial region location structure is the location straight flute, still is equipped with the compact heap that is used for compressing tightly the axial region after the axial region is put in the location straight flute on the axial region positioning seat, and in other embodiments, axial region location structure also can be the location straight hole, and the axial region is being close to axial region positioning seat back, takes off the axial region by the manipulator, and the location straight hole is gone into to the cartridge, and is spacing to the axial region by the location straight hole, and correspondingly, the compact heap also need not set up.
In this embodiment, the press-touch driving mechanism includes an arc portion driving mechanism, i.e., the second electrode terminal, and in other embodiments, the arc portion driving mechanism may not be provided, and the arc portion is manually pushed to move toward the shaft portion to press-touch the two.
In this embodiment, the guiding mechanism includes horizontal guide rail and vertical guide rail, and the cooperation of the two makes the moving route of locating pin can obtain more accurate control. In other embodiments, the guide mechanism may only include a longitudinal rail, i.e., the positioning pin is mounted on the longitudinal rail, and at this time, the accuracy of movement of the positioning pin may be reduced.
In this embodiment, the welding position device further comprises a guide mechanism which is in guide fit with the positioning pin so that the positioning pin follows the arc part to act, in other embodiments, the guide mechanism is not required to be arranged, and the movement action of the positioning pin is realized by manual pushing.
In this embodiment, the positioning element is a positioning block inserted into the arc portion along the axial direction of the reference axis, the positioning block has an arc end face for being fitted with the inner arc face of the arc portion to support the arc portion, in other embodiments, the positioning block may not be provided with an arc end face fitted with the inner arc face, and support is realized only by means of contact between the positioning block and the inner arc face; of course, in other embodiments, the positioning element may also be a positioning column, i.e. a cylindrical structure.
The invention relates to a specific embodiment of a welding and positioning device for a limit bracket of a transverse transmission rod of an agricultural machine, which comprises the following components in part by weight: the structure of the welding and positioning device for the limiting bracket of the transverse transmission rod of the agricultural machine is the same as that of the welding and positioning device in the embodiment, and the description is omitted here.
Claims (10)
1. Welding set with the spacing support of the horizontal drive rod of agricultural machinery of axial region and arc portion, wherein the arc portion setting just has the pinhole in axial region one end, and welding set includes material loading and positioner and welding mechanism, and material loading and positioner are used for carrying and fix a position axial region and arc portion, and welding mechanism welds the arc portion in axial region one end afterwards, and material loading and positioner include:
a frame having a set reference axis;
the shaft positioning structure is a positioning straight hole or a positioning straight groove and is provided with a positioning side wall which is used for being matched with the shaft in a positioning mode so that the axis of the shaft is superposed with a set reference axis;
the arc positioning seat is arranged on the rack, and is provided with a positioning pin, a positioning piece and a blocking positioning structure, wherein the positioning piece is used for supporting, positioning and matching with the arc part along the direction vertical to the width direction of the arc part, and the blocking positioning structure is used for positioning and matching with the arc part;
the press-contact driving mechanism is used for applying acting force to the arc part and/or the shaft part to enable the arc part and the shaft part to be relatively close to press contact;
the shaft part feeding mechanism is used for conveying the shaft part to the shaft part positioning seat; and
and the arc part feeding mechanism is used for conveying the arc part to the arc part positioning seat, and is provided with a arrival controller which controls the arc part feeding mechanism to stop for the positioning pin to penetrate into the corresponding pin hole when the arc part is conveyed to the position where the axis of the pin hole coincides with the axis of the positioning pin.
2. The welding device of claim 1 wherein the locating feature on the arc positioning seat is a locating feature for insertion into the arc in an axial direction of the reference axis, the locating feature having an arcuate end surface for mating engagement with the intrados of the arc to support the arc.
3. The welding device of claim 2, wherein the press-contact actuator comprises an arc actuator coupled to the positioning block for reciprocating the positioning block along the reference axis to actuate the arc.
4. The welding device of claim 3 wherein the loading and positioning device further comprises a guide mechanism in guiding engagement with the locating pin such that the locating pin follows the arcuate portion.
5. The welding device of claim 4, wherein the guide mechanism comprises:
the transverse guide rail is arranged on the rack and extends along the blocking direction of the blocking positioning mechanism, and a sliding block is arranged on the transverse guide rail; and
and the positioning pin is guided and slidably assembled on the longitudinal guide rail.
6. The welding device of claim 1 wherein the shaft locating structure is a straight locating groove, and the shaft locating seat further comprises a compression block for compressing the shaft after the shaft is placed in the straight locating groove.
7. The welding device according to claim 1, wherein the conveying directions of the shaft portion feeding mechanism and the arc portion feeding mechanism are opposite, and the shaft portion feeding mechanism and the arc portion feeding mechanism are arranged in a staggered manner in a direction perpendicular to the conveying direction.
8. The welding device of claim 1, wherein the arc feed mechanism has:
the arc-shaped long groove is used for being matched and positioned with the arc part and extending along the feeding direction, and the arc-shaped long groove is used for being matched with the arc part in a positioning mode so that the radial direction of the midpoint of the length direction of the arc part is parallel to the reference axis; and
and the pushing mechanism is used for pushing the arc parts to convey the arc parts one by one along the extending direction of the arc-shaped long groove.
9. The welding device of claim 1 wherein the welding mechanism is a resistance welder comprising a power source and first and second electrode terminals connected to the power source for connection to the respective shaft portions and the corresponding arc portions, respectively.
10. The welding apparatus of claim 9 wherein the press touch actuator includes a push rod for applying force to the positioning member to bring the arc portion and the shaft portion into relatively close contact with the press touch, the second electrode terminal being in conductive communication with the positioning member and in conductive communication with the arc portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110518980.4A CN113523528B (en) | 2019-03-19 | 2019-03-19 | Welding device for agricultural machinery transverse transmission rod limiting bracket with shaft part and arc part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110518980.4A CN113523528B (en) | 2019-03-19 | 2019-03-19 | Welding device for agricultural machinery transverse transmission rod limiting bracket with shaft part and arc part |
| CN201910209552.6A CN109732190B (en) | 2019-03-19 | 2019-03-19 | Welding device for limiting bracket of transverse transmission rod of agricultural machine and welding positioning device thereof |
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| CN201910209552.6A Division CN109732190B (en) | 2019-03-19 | 2019-03-19 | Welding device for limiting bracket of transverse transmission rod of agricultural machine and welding positioning device thereof |
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| CN113523528A true CN113523528A (en) | 2021-10-22 |
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| CN202110518980.4A Active CN113523528B (en) | 2019-03-19 | 2019-03-19 | Welding device for agricultural machinery transverse transmission rod limiting bracket with shaft part and arc part |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9107431D0 (en) * | 1991-04-09 | 1991-05-22 | British Aerospace | Cable handling and preparation apparatus |
| CN102513672A (en) * | 2011-12-30 | 2012-06-27 | 长城汽车股份有限公司 | connecting rod sea automatic loading and welding device used for electric resistance welding |
| CN103358011A (en) * | 2013-05-17 | 2013-10-23 | 苏州方林科技股份有限公司 | Automatic charging equipment |
| CN104191123A (en) * | 2014-05-25 | 2014-12-10 | 浙江正泰电器股份有限公司 | Positioning and clamping device of electromagnetic coil system, and automatic production system of electromagnetic coil system |
| CN206464702U (en) * | 2017-01-23 | 2017-09-05 | 安徽天时新能源科技有限公司 | A kind of battery cap welding device |
| CN108637478A (en) * | 2018-05-15 | 2018-10-12 | 合肥国轩高科动力能源有限公司 | A kind of rotating welding positioning device of lithium ion cylinder battery cover board |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6293078A (en) * | 1985-10-17 | 1987-04-28 | Fuji Kikai Kosakusho:Kk | Automatic welding device |
| CN1096330C (en) * | 2000-05-12 | 2002-12-18 | 上海交通大学 | Automatic welder for welding circular cover to link block |
| CN103433667A (en) * | 2013-08-16 | 2013-12-11 | 苏州市合昌电器有限公司 | Positioning device for welding |
| CN103433682A (en) * | 2013-08-16 | 2013-12-11 | 苏州市合昌电器有限公司 | Welding positioning device |
| CN104690466B (en) * | 2013-12-09 | 2017-03-15 | 广东富华重工制造有限公司 | A kind of positioning welding equipment of fore-stock component |
| CN108145300B (en) * | 2018-01-31 | 2023-06-23 | 湖州剑力金属制品有限公司 | Error proofing mechanism of spot welding fixture for automobile parts |
| CN108747174A (en) * | 2018-08-28 | 2018-11-06 | 佛山迅拓奥科技有限公司 | A kind of monometallic pipe movement adjustable type welding detent mechanism |
| CN109128597B (en) * | 2018-09-12 | 2020-08-25 | 金华市捷欣智能科技有限公司 | Automatic welding machine for T-shaped workpiece |
-
2019
- 2019-03-19 CN CN201910209552.6A patent/CN109732190B/en active Active
- 2019-03-19 CN CN202110518980.4A patent/CN113523528B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9107431D0 (en) * | 1991-04-09 | 1991-05-22 | British Aerospace | Cable handling and preparation apparatus |
| CN102513672A (en) * | 2011-12-30 | 2012-06-27 | 长城汽车股份有限公司 | connecting rod sea automatic loading and welding device used for electric resistance welding |
| CN103358011A (en) * | 2013-05-17 | 2013-10-23 | 苏州方林科技股份有限公司 | Automatic charging equipment |
| CN104191123A (en) * | 2014-05-25 | 2014-12-10 | 浙江正泰电器股份有限公司 | Positioning and clamping device of electromagnetic coil system, and automatic production system of electromagnetic coil system |
| CN206464702U (en) * | 2017-01-23 | 2017-09-05 | 安徽天时新能源科技有限公司 | A kind of battery cap welding device |
| CN108637478A (en) * | 2018-05-15 | 2018-10-12 | 合肥国轩高科动力能源有限公司 | A kind of rotating welding positioning device of lithium ion cylinder battery cover board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109732190B (en) | 2021-05-25 |
| CN113523528B (en) | 2022-07-22 |
| CN109732190A (en) | 2019-05-10 |
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Application publication date: 20211022 Assignee: Luoyang Hancheng Welding Technology Co.,Ltd. Assignor: HENAN University OF SCIENCE AND TECHNOLOGY Contract record no.: X2022980022410 Denomination of invention: Welding device for limit bracket of agricultural transverse transmission rod with shaft and arc Granted publication date: 20220722 License type: Common License Record date: 20221130 |
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