CN111054991A - Full-automatic welding machine - Google Patents
Full-automatic welding machine Download PDFInfo
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- CN111054991A CN111054991A CN201911329638.9A CN201911329638A CN111054991A CN 111054991 A CN111054991 A CN 111054991A CN 201911329638 A CN201911329638 A CN 201911329638A CN 111054991 A CN111054991 A CN 111054991A
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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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
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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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention relates to a full-automatic welding machine which comprises a rack, a horizontal conveying device with an input end and an output end, and two groups of clamping plates, wherein the input end is provided with two groups of vibrating discs, and the two groups of clamping plates and the horizontal conveying device form a limiting cavity together in an enclosing manner; the device is characterized by further comprising a mounting frame and a lifting assembly, wherein the mounting frame is provided with a blocking assembly, a welding assembly, a positioning plate and a folding assembly. The welding machine adopts two groups of vibrating discs to feed materials synchronously, so that the feeding speed of the workpiece is increased, and the welding efficiency of the workpiece is increased; and the welding machine can complete the feeding, welding, detection and discharging of the workpiece only by lifting the lifting assembly, is convenient to operate, and further improves the welding efficiency of the workpiece. The invention improves the welding efficiency of the workpiece.
Description
Technical Field
The invention relates to the technical field of welding machines, in particular to a full-automatic welding machine.
Background
Welding is the process of joining metal parts using various fusible alloys. The melting point of the solder is lower than that of the material to be welded, so that the welding is completed by intermolecular connection between the surfaces of the parts without melting the parts. During soldering, molten solder flows between the two metal parts, and under favourable conditions a strong, tight, corrosion-resistant and electrically and thermally conductive connection is obtained between the solder and the metal.
Through retrieval, the Chinese patent publication No. CN107538152B discloses a welding machine, which comprises an automatic feeding mechanism, a welding part positioning mechanism, an automatic discharging mechanism and a detection mechanism, wherein the automatic feeding mechanism comprises a rotary workbench, a linear feeding plate and a motor, one end of the linear feeding plate is arranged below a discharge hole of the rotary workbench, and the other end of the linear feeding plate is connected with the left end of a welding groove; the welding part positioning mechanism comprises a positioning plate, a lifting cylinder and a feeding cylinder, and a workpiece is conveyed rightwards through the feeding cylinder after being conveyed into the welding groove through the linear feeding plate and is subjected to positioning welding through the positioning plate; the detection mechanism comprises a force application arm and a pressure head, and the guide rail is provided with a concave part for the pressure head to press in to perform a bending resistance test on a welding position; the welding head is positioned above the welding groove. The automatic welding machine can automatically convey and weld workpieces, automatically detect the workpieces, overcome the defects of low manual operation efficiency and unstable quality in the prior art, improve the production efficiency and the product percent of pass, simultaneously realize clean working environment and realize large-scale and large-scale production of the workpieces.
The above prior art solutions have the following drawbacks: before the welding of the workpieces, two groups of workpieces can be fed into the welding groove only by ejecting and withdrawing the feeding cylinder twice, and after the ejecting and withdrawing of the feeding cylinder once, a group of workpieces are fed into the welding groove by the linear feeding plate. Therefore, the feeding of each two groups of workpieces can be completed only by a plurality of operations, which leads to low welding efficiency of the workpieces, and therefore, improvement is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a full-automatic welding machine, which improves the welding efficiency of workpieces.
The above object of the present invention is achieved by the following technical solutions: a full-automatic welding machine comprises a frame, a horizontal conveying device with an input end and an output end, and two groups of clamping plates arranged on the horizontal conveying device, wherein two groups of vibrating discs used for feeding workpieces are arranged at the input end, and a limiting cavity for conveying the two groups of workpieces side by side is defined by the two groups of clamping plates and the horizontal conveying device; the device also comprises a mounting rack and a lifting assembly for driving the mounting rack to lift, wherein the mounting rack is provided with a blocking assembly, a welding assembly, a positioning plate and a folding assembly which are sequentially arranged along the conveying direction of the workpiece and are positioned above the horizontal conveying device; when the welding part welds two groups of workpieces, the positioning plate is abutted against the two groups of workpieces, the folded part is pressed on the welding position of the other two groups of workpieces which are welded, and the blocking assembly blocks the workpieces conveyed by the horizontal conveying device.
By adopting the technical scheme, in the welding process of the workpieces, the two groups of vibrating discs synchronously feed materials into the limiting cavity, and the welding positions of the two groups of workpieces positioned in the limiting cavity are mutually abutted; then the lifting assembly drives the mounting frame to descend, and the folding piece is pressed tightly at the welding position of the two groups of welded workpieces so as to measure whether the two groups of workpieces are welded qualified or not; the positioning plate is abutted against the other two groups of workpieces, so that the two groups of workpieces are not easy to shake, and the welding quality of the workpieces by a welding part is ensured; the blocking component blocks subsequent workpieces, so that the welding of the workpieces is not easily influenced.
After the workpieces are welded, the lifting assembly drives the mounting frame to ascend, and the workpieces blocked by the blocking assembly are conveyed to a welding part so as to facilitate the subsequent welding of the two groups of workpieces; conveying the workpieces at the welding parts to the folding parts so as to facilitate the subsequent anti-folding test of the two groups of workpieces; the workpiece at the fold will be output to the outside.
In conclusion, the welding machine adopts the two groups of vibration discs to feed materials synchronously, so that the feeding speed of the workpiece is increased, and the welding efficiency of the workpiece is increased; and the welding machine can complete the feeding, welding, detection and discharging of the workpiece only by lifting the lifting assembly, is convenient to operate, and further improves the welding efficiency of the workpiece.
The present invention in a preferred example may be further configured to: the horizontal conveying device comprises a first conveying belt, a first workbench, a second conveying belt, a second workbench and a third conveying belt which are sequentially arranged along the conveying direction of the workpiece; the first conveyor belt is connected with the two groups of vibrating discs, the first workbench is positioned under the welding piece and the positioning plate, the second workbench is positioned under the folded piece, and the upper surface of the second workbench is provided with a pressing groove corresponding to the folded piece; the first conveyor belt drives the workpiece to move and pushes the workpiece on the first workbench to the second conveyor belt, and the second conveyor belt drives the workpiece to move and pushes the workpiece on the second workbench to the third conveyor belt.
Through adopting above-mentioned technical scheme, at the welding process of work piece, the welding will weld two sets of work pieces on the first workstation, and the piece that rolls over will carry out anti detection of rolling over to two sets of work pieces on the second workstation, has improved the stability of work piece in welding process and anti detection process of rolling over. After the workpieces are welded, the first conveyor belt drives the workpieces to move and pushes the workpieces on the first workbench onto the second conveyor belt, and the second conveyor belt drives the workpieces to move and pushes the workpieces on the second workbench onto the third conveyor belt, so that the workpiece changing station is realized; and under the effect of first conveyer belt and second conveyer belt, the work piece will be in the fixed position on first workstation and the second workstation all the time to the welding quality of work piece and the accuracy that the fold detected have been improved.
The present invention in a preferred example may be further configured to: the blocking assembly comprises a baffle connected to the mounting frame in a sliding mode in the vertical direction and a first elastic piece connected to the mounting frame and the baffle.
Through adopting above-mentioned technical scheme, when lifting unit drove the mounting bracket and rises to make baffle and locating plate all break away from in the work piece, first conveyer belt, second conveyer belt and third conveyer belt will carry the work piece for the work piece of baffle department is carried to first workstation on, and the work piece on the first workstation is carried to the second workstation on, and the work piece on the second workstation is carried to the outside.
When the workpiece passes below the baffle plate, the lifting assembly drives the mounting frame to descend, and the baffle plate presses the workpiece and promotes the first elastic piece to deform; when two sets of work pieces side by side pass through the back from the baffle below, first elastic component will reply to natural state and make the baffle insert between these two sets of work pieces and follow-up two sets of work pieces to only two sets of work pieces side by side can pass through from the baffle below when making at every turn the welding, and because of first elastic component provides certain buffering effect for the baffle, so make the baffle be difficult for crushing the work piece.
The present invention in a preferred example may be further configured to: the rack is provided with two groups of rotating plates arranged on two sides of the first workbench, and the middle parts of the two groups of rotating plates are rotatably connected to the rack through rotating shafts; the mounting rack is provided with a supporting piece which is driven by the lifting component to descend and tightly support the upper part of the rotating plate and make the lower part of the rotating plate tightly support the workpiece, and the rack is provided with two groups of second elastic pieces which respectively drive the corresponding rotating plates to rotate and reset.
By adopting the technical scheme, when the lifting assembly drives the mounting frame to descend and the workpiece is conveyed to the first workbench, the workpiece is abutted against the positioning plate, the two groups of abutting pieces are abutted against the upper part of the corresponding rotating plate and urge the lower part of the rotating plate to be abutted against the workpiece, so that the stability of the workpiece in the welding process is improved, and at the moment, the second elastic piece is in a deformation state; when the lifting assembly drives the mounting frame to ascend, the abutting piece is far away from the rotating plate, and the second elastic piece enables the rotating plate to rotate and reset so as to clamp a subsequent workpiece.
The present invention in a preferred example may be further configured to: and a clamping plate arranged on the mounting frame is arranged on one side, away from the positioning plate, of the welding part, and the clamping plate and the positioning plate are clamped on the workpiece together.
Through adopting above-mentioned technical scheme, when lifting unit drove the mounting bracket decline and make the work piece be carried to first workstation on, grip block and locating plate will be centre gripping in the work piece jointly, have improved the stability of work piece in welding process.
The present invention in a preferred example may be further configured to: the clamping plate is rotatably connected to the mounting frame through a horizontal shaft, and a driving assembly which drives the clamping plate to rotate and tightly presses the workpiece on the positioning plate is arranged on the mounting frame.
Through adopting above-mentioned technical scheme, when lifting unit drove the mounting bracket decline and make the work piece carried to first workstation on, the position of work piece on first workstation probably takes place the deviation, drives the subassembly this moment and will drive the grip block and rotate and compress tightly the work piece on the locating plate, and the lower part of two sets of rotor plates all supports tightly in the work piece, so make the work piece supported tightly the fixed position of fixing on first workstation to the welding quality of welding to the work piece has been improved.
The present invention in a preferred example may be further configured to: the third conveyor belt comprises two groups of third rotating rollers which are rotatably connected to the rack, two groups of third belts which are tightly wound outside the two groups of third rotating rollers and a third driving piece which is used for driving one of the third rotating rollers to rotate, and the two groups of third belts are arranged at intervals; when the two groups of workpieces are welded by the two groups of third belts, the gravity centers of the two groups of workpieces are located above the gap between the two groups of third belts.
By adopting the technical scheme, if the folding piece does not break the welding position of the two groups of workpieces on the second workbench, after the second conveyor belt drives the workpieces to move and pushes the workpieces on the second workbench to the third conveyor belt, the two groups of workpieces welded together are stably conveyed by the third conveyor belt; if the welded junction of two sets of work pieces on the second workstation is pressed to roll over the piece and is broken, then after the second conveyer belt drove the work piece motion and promoted the work piece on the second workstation to the third conveyer belt, because of the focus of two sets of work pieces all is located the top in clearance between two sets of third belts, and the third conveyer belt vibrations can hardly avoid taking place when carrying the work piece, so two sets of work pieces all will drop from the clearance between two sets of third belts, realized the autofilter to the work piece.
The present invention in a preferred example may be further configured to: a contact plate connected to the rack in a sliding mode in the vertical direction and a third elastic piece connected to the contact plate and the rack are arranged above the third conveyor belt, and a guide surface inclining downwards is arranged on one side, facing the second workbench, of the contact plate; when the two groups of workpieces are welded by the two groups of third belts, the two groups of workpieces are abutted against the guide surfaces.
By adopting the technical scheme, if the folding piece does not break the welding position of the two groups of workpieces on the second workbench, after the second conveyor belt drives the workpieces to move and pushes the workpieces on the second workbench to the third conveyor belt, the two groups of workpieces welded together abut against the guide surface and push the abutting plate to rise through the guide surface, so that the two groups of workpieces qualified for welding can be conveyed to the outside by the third conveyor belt, and then the third elastic piece drives the abutting plate to descend and reset, so that the abutting plate can be abutted by subsequent workpieces; if the folding piece breaks the welding position of the two groups of workpieces on the second workbench, after the second conveying belt drives the workpieces to move and pushes the workpieces on the second workbench to the third conveying belt, the two groups of workpieces are tightly abutted against the guide surface and driven to rotate by the guide surface, so that the two groups of workpieces drop from the gap between the two groups of third belts, and the automatic screening of the workpieces is realized.
In summary, the invention has the following beneficial technical effects:
1. the welding machine can complete the feeding, welding, detection and blanking of the workpiece only through the lifting of the lifting assembly, is convenient to operate, and improves the welding efficiency of the workpiece;
2. the first conveyor belt, the first workbench, the second conveyor belt, the second workbench and the third conveyor belt are arranged, so that the workpiece is always in a fixed position on the first workbench and the second workbench, and the welding quality and the accuracy of fold detection of the workpiece are improved;
3. due to the arrangement of the third rotating roller and the third belts, two groups of workpieces which are unqualified in welding fall from the gap between the two groups of third belts, and automatic screening of the workpieces is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure in an embodiment of the present invention;
FIG. 2 is a schematic structural view showing a structure on a mounting bracket according to an embodiment of the present invention;
FIG. 3 is a schematic structural view showing a horizontal transfer device in the embodiment of the present invention;
FIG. 4 is a schematic structural diagram illustrating a first stage in an embodiment of the present invention;
fig. 5 is a schematic view showing the structure of the third belt in the embodiment of the present invention.
Reference numerals: 1. a frame; 2. a horizontal conveying device; 21. a first conveyor belt; 22. a first table; 23. a second conveyor belt; 24. a second table; 241. pressing a groove; 25. a third conveyor belt; 251. a third rotating roller; 252. a third belt; 253. a drive motor; 26. a vibrating pan; 27. a splint; 271. a limiting cavity; 28. a touch plate; 281. a second limiting rod; 282. a guide surface; 283. a second spring; 3. a mounting frame; 31. a blocking component; 311. a first limit rod; 312. a baffle plate; 313. a first spring; 32. a welding part; 321. a welding machine; 322. a welding head; 33. positioning a plate; 34. pressing and folding the piece; 35. a rotating plate; 36. a propping block; 37. a torsion spring; 38. a clamping plate; 381. a horizontal axis; 39. a driving component; 391. a drive bevel gear; 392. a driven bevel gear; 4. a lifting assembly; 41. a servo motor; 42. a screw rod; 43. a limiting column; 5. an arc-shaped channel; 51. a feed inlet; 52. a discharge port; 6. and a fourth conveyor belt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the full-automatic welding machine comprises a frame 1 and a horizontal conveying device 2 with an input end and an output end, wherein the horizontal conveying device 2 comprises a first conveyor belt 21, a first workbench 22, a second conveyor belt 23, a second workbench 24 and a third conveyor belt 25 which are sequentially arranged along the conveying direction of a workpiece; the input end of first conveyer belt 21 is connected with two sets of vibration dishes 26, all is fixed with two sets of splint 27 on first conveyer belt 21 and the second conveyer belt 23, and two sets of splint 27 have enclosed into spacing chamber 271 with corresponding first conveyer belt 21 or second conveyer belt 23 jointly, can make two sets of work pieces pass through side by side.
As shown in fig. 2 and 3, the rack 1 is provided with a mounting rack 3 and a lifting assembly 4, and the mounting rack 3 is provided with a blocking assembly 31, a welding assembly 32, a positioning plate 33 and a folding assembly 34 which are sequentially arranged along the workpiece conveying direction and are positioned above the horizontal conveying device 2; when the welding part 32 is used for welding two groups of workpieces, the positioning plate 33 is abutted against the two groups of workpieces, so that the stability of the workpieces is ensured; the folded piece 34 is pressed on the welding positions of the other two groups of workpieces which are already welded, and is used for detecting the welding quality of the workpieces; the blocking assembly 31 blocks the workpiece conveyed by the horizontal conveying device 2 to prevent the workpiece from affecting the normal operation of the welding.
As shown in fig. 2, the lifting assembly 4 includes a servo motor 41, a screw rod 42 and a limit post 43, the servo motor 41 is fixed on the frame 1, and an output shaft of the servo motor 41 is fixedly connected to the screw rod 42; the lead screw 42 rotates to be connected in frame 1 and threaded connection in mounting bracket 3, and lead screw 42 and spacing post 43 all extend along vertical direction, and spacing post 43 is fixed on frame 1 and is worn to locate mounting bracket 3. When the servo motor 41 is started, the screw rod 42 drives the mounting frame 3 to slide along the extending direction of the limiting column 43, i.e. to perform lifting movement.
As shown in fig. 2, the blocking assembly 31 includes two sets of first limiting rods 311, a baffle 312 and two sets of first elastic members, the two sets of first limiting rods 311 are fixed on the mounting frame 3 and penetrate through the baffle 312 along the vertical direction, the baffle 312 is located above the first conveyor belt 21, the two sets of first elastic members are first springs 313 wound outside the corresponding first limiting rods 311, and two ends of the two sets of first springs 313 are equally connected to the mounting frame 3 and the baffle 312 respectively. When two groups of workpieces which are arranged side by side pass below the baffle plate 312, the lifting component 4 drives the mounting frame 3 to descend, and the baffle plate 312 is pressed on the workpieces to enable the first spring 313 to deform; when two groups of workpieces which are arranged side by side pass below the baffle 312, the first spring 313 restores to a natural state and prompts the baffle 312 to be inserted between the two groups of workpieces and the subsequent two groups of workpieces, so that only two groups of workpieces which are arranged side by side can pass below the baffle 312 during each welding; and because the first spring 313 provides a certain buffering effect for the baffle 312, the workpiece is not easily crushed by the baffle 312.
As shown in fig. 3 and 4, the welding member 32 and the positioning plate 33 are both located right above the first worktable 22, the welding member 32 is a welding machine 321 with a welding head 322, and the welding machine 321 and the positioning plate 33 are both fixed on the mounting frame 3; the rack 1 is provided with two groups of rotating plates 35 which are arranged at two sides of the first workbench 22 and are arranged in a V shape, and the middle parts of the two groups of rotating plates 35 are rotatably connected to the rack 1 through rotating shafts; the mounting frame 3 is fixed with a propping piece, and the propping piece comprises two groups of propping blocks 36. When the lifting assembly 4 drives the mounting frame 3 to descend and the workpiece is conveyed to the first workbench 22, the workpiece will abut against the positioning plate 33, and the two sets of abutting blocks 36 will abut against the upper portion of the corresponding rotating plate 35 and urge the lower portion of the rotating plate 35 to rotate and abut against the workpiece, so that the stability of the workpiece in the welding process is improved.
As shown in fig. 3 and 4, two sets of second elastic members are disposed on the frame 1, both the two sets of second elastic members are torsion springs 37, and both ends of the two sets of torsion springs 37 are respectively fixedly connected to the frame 1 and the corresponding rotating plate 35. When the lifting assembly 4 drives the mounting frame 3 to ascend, the abutting piece is far away from the rotating plate 35, and the second elastic piece enables the rotating plate 35 to rotate and reset so as to clamp a subsequent workpiece.
As shown in fig. 2 and fig. 3, a clamping plate 38 rotatably connected to the mounting frame 3 through a horizontal shaft 381 is disposed on a side of the welding member 32 away from the positioning plate 33, a driving member 39 is disposed on the mounting frame 3, the driving member 39 includes a driven bevel gear 392 and a driving bevel gear 391, which are engaged with each other, the driven bevel gear 392 is fixedly sleeved outside the screw rod 42, and the driving bevel gear 391 is fixedly sleeved outside the horizontal shaft 381. When the servo motor 41 is started to enable the screw rod 42 to drive the mounting frame 3 to descend, the screw rod 42 drives the horizontal shaft 381 to rotate through the meshing of the driven bevel gear 392 and the driving bevel gear 391, and the clamping plate 38 rotates to be close to a workpiece; when the mounting bracket 3 drives the welding head 322 of the welding machine 321 to abut against the joint of the two sets of workpieces, the clamping plate 38 compresses the two sets of workpieces on the positioning plate 33, so that the workpieces are abutted against and fixed at the fixed position on the first workbench 22, and the welding quality of the welding machine 321 to the workpieces is improved.
As shown in fig. 3, the folded member 34 is disposed in a plate shape and located above the second worktable 24, a pressing groove 241 corresponding to the folded member 34 is formed on the upper surface of the second worktable 24, and the folded member 34 is matched with the pressing groove 241, so that the folded member 34 can measure whether the welding position of the two groups of workpieces is qualified.
As shown in fig. 5, the third conveyor belt 25 includes two sets of third rotating rollers 251, two sets of third belts 252 and a third driving member, and the two sets of third rotating rollers 251 are sequentially arranged along the conveying direction of the workpiece and rotatably connected to the frame 1; the two groups of third belts 252 are arranged at intervals and are wound outside the two groups of third rotating rollers 251 in a tight winding manner; the third driving member is a driving motor 253 fixed on the frame 1, and an output shaft of the driving motor 253 is fixedly connected to one of the rotating rollers. When the driving motor 253 is started, the two groups of third belts 252 will jointly convey the two groups of workpieces which are subjected to the bending detection.
As shown in fig. 5, two sets of second limiting rods 281, two sets of abutting plates 28 and two sets of third elastic members are arranged above the third conveyor belt 25, and the two sets of second limiting rods 281 are fixed on the frame 1 and penetrate through the same abutting plate 28 in the vertical direction; the abutting plate 28 is disposed above the third conveyor belt 25, the lower surface of the abutting plate is lower than the upper surface of the workpiece, and a downwardly inclined guide surface 282 is disposed on a side of the abutting plate 28 facing the second work table 24; the two sets of third elastic members are both second springs 283, and both ends of the two sets of second springs 283 are fixedly connected to the touch plate 28 and the rack 1 respectively.
As shown in fig. 5, when the third conveyor belt 25 conveys two groups of workpieces which have been subjected to the anti-bending detection, if the bending member 34 does not break the welding position of the two groups of workpieces, the two groups of workpieces welded together will abut against the guide surface 282 and push the contact plate 28 to rise through the guide surface 282, so that the two groups of workpieces which are welded to be qualified can be conveyed to the outside by the third conveyor belt 25, and then the third spring will drive the contact plate 28 to descend and return, so that the contact plate 28 can be abutted by the subsequent workpieces; if the pressing and folding member 34 presses and breaks the welding point of the two sets of workpieces, the two sets of workpieces will both abut against the guiding surface 282 and are driven by the guiding surface 282 to rotate, so that the two sets of workpieces will both fall from the gap between the two sets of third belts 252, and automatic screening of the workpieces is realized.
As shown in fig. 5, an arc-shaped channel 5 having a feeding port 51 and a discharging port 52 is fixed on the frame 1, the feeding port 51 corresponds to a gap between two sets of third belts 252, a fourth conveyor belt 6 is obliquely arranged at the discharging port 52, an input end of the fourth conveyor belt 6 is arranged below the discharging port 52, and an output end of the fourth conveyor belt 6 is arranged above one of the vibrating discs 26 (see fig. 1). When two groups of workpieces which are not welded successfully fall from the gap between the two groups of third belts 252, the two groups of workpieces fall on the fourth conveyor belt 6 through the arc-shaped channel 5 and are conveyed into the vibration disc 26 by the fourth conveyor belt 6 so as to be welded again.
The implementation principle of the embodiment is as follows: in the welding process of the workpieces, the workpieces are arranged on the first conveyor belt 21 side by side, the baffle 312 blocks the workpieces on the first conveyor belt 21, the lower parts of the positioning plate 33, the clamping plate 38 and the two groups of rotating plates 35 clamp the two groups of workpieces on the first workbench 22 together, the welding machine 321 welds the joint of the two groups of workpieces, and the folded piece 34 compresses the weld of the two groups of workpieces on the second workbench 24, so that the anti-folding detection is performed.
After the workpiece is welded, the servo motor 41 is started, the screw rod 42 rotates and drives the mounting frame 3 to ascend, the baffle 312 is separated from the workpiece, and the first conveyor belt 21 conveys the workpiece to the first workbench 22; the lower parts of the positioning plate 33, the clamping plate 38 and the two sets of rotating plates 35 are all separated from the workpiece, the two sets of abutting plates are all separated from the corresponding rotating plates 35, and the two sets of torsion springs 37 drive the corresponding rotating plates 35 to rotate and reset.
When the first conveyor belt 21 drives the workpiece to pass below the baffle 312, the servo motor 41 rotates reversely and drives the mounting frame 3 to descend, and the baffle 312 presses the workpiece and causes the first spring 313 to deform; when the two side-by-side sets of workpieces pass under the stop plate 312, the first spring 313 returns to the natural state and urges the stop plate 312 to be inserted between the two sets of workpieces and the subsequent two sets of workpieces, so that only the two side-by-side sets of workpieces can pass under the stop plate 312 per welding.
The first conveyor 21 will then transport two groups of workpieces to the first table 22, which will push the two groups of workpieces on the first table 22 onto the second conveyor 23, the second conveyor 23 will transport the two groups of pushed-out workpieces onto the second table 24, and the two groups of pushed-out workpieces will push the workpieces on the second table 24 onto the third conveyor 25.
After the first conveyor belt 21 drives the two groups of workpieces to push the two groups of workpieces on the first workbench 22 onto the second conveyor belt 23, the mounting frame 3 will continue to descend, the positioning plate 33 will abut against the two groups of workpieces on the first workbench 22, and both the two groups of abutting blocks 36 will abut against the upper portion of the corresponding rotating plate 35 and urge the lower portion of the rotating plate 35 to rotate and abut against the workpieces; meanwhile, the screw rod 42 drives the horizontal shaft 381 to rotate through the engagement of the driven bevel gear 392 and the driving bevel gear 391, so that the clamping plate 38 presses the two groups of workpieces on the positioning plate 33, and the welding head 322 of the welding machine 321 also abuts against the joint of the two groups of workpieces; at this time, the two groups of workpieces are processed and tightly pressed against the fixed positions on the first worktable 22, so that the welding quality of the welding machine 321 for the workpieces is improved.
After the second conveyor belt 23 drives the two groups of workpieces to push the two groups of workpieces on the second workbench 24 onto the third conveyor belt 25, the mounting frame 3 will continue to descend and drive the folding member 34 to press against the welding position of the two groups of workpieces on the second workbench 24, so as to complete the anti-folding detection.
During the process of conveying the workpieces by the third conveyor belt 25, the welding positions of the two groups of workpieces abut against the guide surface 282, and if the folding piece 34 does not break the welding positions of the two groups of workpieces, the two groups of workpieces push the abutting plate 28 to ascend through the guide surface 282, so that the two groups of workpieces qualified for welding can be conveyed to the outside by the third conveyor belt 25; if the folding member 34 breaks the welding position of the two sets of workpieces, the two sets of workpieces are driven by the guiding surface 282 to rotate, so that the two sets of workpieces drop onto the fourth conveyor belt 6 through the arc-shaped channel 5 and are conveyed into the vibration disk 26 by the fourth conveyor belt 6.
In conclusion, the welding machine adopts the two groups of vibration discs 26 to feed materials synchronously, so that the feeding speed of the workpiece is increased, and the welding efficiency of the workpiece is improved; and the welding machine can complete the feeding, positioning and clamping, welding, bending detection and finished product screening of the workpiece only by lifting the lifting assembly 4, is convenient to operate, and further improves the welding efficiency of the workpiece.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The full-automatic welding machine is characterized in that: the automatic feeding device comprises a rack (1), a horizontal conveying device (2) with an input end and an output end, and two groups of clamping plates (27) arranged on the horizontal conveying device (2), wherein two groups of vibration discs (26) used for feeding workpieces are arranged at the input end, and the two groups of clamping plates (27) and the horizontal conveying device (2) jointly enclose a limiting cavity (271) for conveying the two groups of workpieces side by side; the device is characterized by also comprising a mounting rack (3) and a lifting assembly (4) for driving the mounting rack (3) to lift, wherein the mounting rack (3) is provided with a blocking assembly (31), a welding piece (32), a positioning plate (33) and a folding piece (34) which are sequentially arranged along the conveying direction of the workpiece and are positioned above the horizontal conveying device (2); when the two groups of workpieces are welded by the welding piece (32), the positioning plate (33) is abutted against the two groups of workpieces, the folded piece (34) is pressed on the welding position of the other two groups of workpieces which are welded, and the blocking component (31) blocks the workpieces conveyed by the horizontal conveying device (2).
2. The full automatic welding machine according to claim 1, characterized in that: the horizontal conveying device (2) comprises a first conveying belt (21), a first workbench (22), a second conveying belt (23), a second workbench (24) and a third conveying belt (25) which are sequentially arranged along the conveying direction of the workpiece; the first conveyor belt (21) is connected with the two groups of vibrating discs (26), the first workbench (22) is positioned right below the welding piece (32) and the positioning plate (33), the second workbench (24) is positioned right below the folded piece (34), and the upper surface of the second workbench (24) is provided with a pressing groove (241) corresponding to the folded piece (34); the first conveyor belt (21) drives the workpiece to move and pushes the workpiece on the first workbench (22) to the second conveyor belt (23), and the second conveyor belt (23) drives the workpiece to move and pushes the workpiece on the second workbench (24) to the third conveyor belt (25).
3. The fully automatic welding machine of claim 2, wherein: the blocking assembly (31) comprises a baffle (312) connected to the mounting frame (3) in a sliding mode along the vertical direction and a first elastic piece connected to the mounting frame (3) and the baffle (312).
4. The fully automatic welding machine of claim 2, wherein: the machine frame (1) is provided with two groups of rotating plates (35) arranged on two sides of the first workbench (22), and the middle parts of the two groups of rotating plates (35) are rotatably connected to the machine frame (1) through rotating shafts; the mounting rack (3) is provided with a supporting piece which is driven by the lifting component (4) to descend and is tightly supported on the upper part of the rotating plate (35) and enables the lower part of the rotating plate (35) to be tightly supported on a workpiece, and the rack (1) is provided with two groups of second elastic pieces which respectively drive the corresponding rotating plates (35) to rotate and reset.
5. The fully automatic welding machine of claim 4, wherein: and a clamping plate (38) installed on the mounting frame (3) is arranged on one side, away from the positioning plate (33), of the welding part (32), and the clamping plate (38) and the positioning plate (33) are clamped on a workpiece together.
6. The fully automatic welding machine of claim 5, wherein: the clamping plate (38) is rotatably connected to the mounting frame (3) through a horizontal shaft (381), and a driving assembly (39) which drives the clamping plate (38) to rotate and presses the workpiece onto the positioning plate (33) is arranged on the mounting frame (3).
7. The fully automatic welding machine of claim 2, wherein: the third conveyor belt (25) comprises two groups of third rotating rollers (251) which are rotatably connected to the rack (1), two groups of third belts (252) which are tightly wound outside the two groups of third rotating rollers (251) and a third driving piece which is used for driving one third rotating roller (251) to rotate, and the two groups of third belts (252) are arranged at intervals; when the two groups of workpieces which are welded are conveyed by the two groups of third belts (252), the centers of gravity of the two groups of workpieces are both positioned above the gap between the two groups of third belts (252).
8. The fully automatic welding machine of claim 7, wherein: an abutting plate (28) connected to the rack (1) in a sliding mode along the vertical direction and a third elastic piece connected to the abutting plate (28) and the rack (1) are arranged above the third conveyor belt (25), and a guide surface (282) inclining downwards is arranged on one side, facing the second workbench (24), of the abutting plate (28); when the two groups of workpieces which are welded are conveyed by the two groups of third belts (252), the two groups of workpieces are abutted against the guide surfaces (282).
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Cited By (1)
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|---|---|---|---|---|
| CN111774769A (en) * | 2020-07-27 | 2020-10-16 | 阳江职业技术学院 | Full-automatic handle of a knife butt-joint machine |
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