CN112338398A - Four-side-frame automatic welding device - Google Patents
Four-side-frame automatic welding device Download PDFInfo
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- CN112338398A CN112338398A CN202011260695.9A CN202011260695A CN112338398A CN 112338398 A CN112338398 A CN 112338398A CN 202011260695 A CN202011260695 A CN 202011260695A CN 112338398 A CN112338398 A CN 112338398A
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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
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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
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/24—Frameworks
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses an automatic welding device for four frames, which comprises a box body, wherein a positioning welding cavity is arranged in the box body, a supporting plate is fixedly arranged between the side walls of the positioning welding cavity, the top wall of the supporting plate is uniformly and fixedly provided with four right-angle positioning mechanisms, the four corners of the supporting plate are uniformly provided with welding holes which are communicated up and down, the upper side and the lower side of the positioning welding cavity are symmetrically provided with welding supply devices which are symmetrically arranged front and back, the welding supply devices are provided with connecting pipe grooves close to the inner sides of the positioning welding cavity, the top wall of the connecting pipe groove at the lower side is symmetrically and fixedly provided with two groups of four lower welding devices which are symmetrically arranged left and right and are positioned at the lower sides of the welding holes, the automatic welding device can automatically position and weld four sections of frames through a right-angle positioner, and, and the last section of frame is arranged from the upper side and can be adjusted in position, so that the frame can be positioned and clamped more easily.
Description
Technical Field
The invention relates to the technical field of welding, in particular to an automatic welding device for four frames.
Background
Welding, also known as fusion welding, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, by means of heat, high temperature or high pressure. Modern welded energy sources have a lot of varieties, including gas flame, electric arc, laser, electron beam, friction and ultrasonic wave etc. and current four-frame welding needs manual operation to fix a position and weld, and efficiency is lower and easily make mistakes, uses current welding machine to need complicated control system to operate four sections frames respectively, and the cost is higher and operate comparatively complicacy, and the location of last section frame is difficult to control moreover, leads to welding error easily, causes the waste.
Disclosure of Invention
The invention aims to provide a four-side-frame automatic welding device, which solves the problems of low manual positioning efficiency and complex control of the existing welding machine.
The invention is realized by the following technical scheme.
The invention discloses an automatic welding device for four side frames, which comprises a box body, wherein a positioning welding cavity is arranged in the box body, a supporting plate is fixedly arranged between side walls of the positioning welding cavity, four right-angle positioning mechanisms are uniformly and fixedly arranged on the top wall of the supporting plate, welding holes which are communicated up and down are uniformly arranged at four corners of the supporting plate, welding supply devices which are symmetrically arranged front and back are symmetrically arranged on the upper side and the lower side of the positioning welding cavity, a connecting pipe groove is arranged on the inner side of the welding supply device, which is close to the positioning welding cavity, two groups of four lower welding devices which are symmetrically arranged left and right are respectively and symmetrically arranged on the front and back of the top wall of the connecting pipe groove on the lower side, two upper welding devices which are positioned on the upper side of the welding hole on the left side are symmetrically arranged on the front and back of the top wall of the right end of the connecting pipe groove A movable welding device is connected in the movable contraction groove in a sliding way, an electric telescopic rod is arranged between the right end of the movable welding device and the movable contraction groove, a rear conveying groove with a forward opening is fixedly arranged on the rear end wall at the left end of the positioning welding cavity, a rear conveying block is connected in the rear conveying groove in a sliding manner, a rear telescopic air bag is fixedly connected between the rear end surface of the rear conveying block and the rear conveying groove, two lateral conveying grooves with leftward openings are symmetrically and fixedly arranged in front and rear of the right end wall of the positioning welding cavity, a side conveying block is connected in the side conveying groove in a sliding manner, a side telescopic air bag is fixedly connected between the right end surface of the side conveying block and the side conveying groove, the fixed supporting shoe that is provided with of fixed position welding chamber right-hand member wall, fixed being provided with of fixed position welding chamber right-hand member rear end wall is opened forward and is located the groove of pushing of supporting shoe rear side, the supporting shoe bottom is provided with last frame screens adjustment mechanism.
Preferably, the welding supply device is connected with the lower welding device, the upper welding device and the movable welding device through connecting pipes, the connecting pipes are positioned in the connecting pipe grooves, the bottom wall of the movable contraction tank is fixedly provided with a movable through groove with a leftward opening, the right end of the rear telescopic air bag is fixedly provided with a rear air pipe, the right end of the rear air pipe is fixedly provided with a rear air pressure cavity, the rear air pressure cavity is internally and slidably connected with a rear piston, the right end wall of the rear air pressure cavity is fixedly provided with a rear electromagnet, the left end surface of the rear piston is connected with the rear air pressure cavity through a rear piston spring, the rear end of the front side and the rear side of the side telescopic air bag is fixedly provided with a side air pipe, the rear end of the side air pipe is fixedly provided with a side air pressure cavity, the side air pressure cavity is internally and slidably connected with a side piston, the rear end wall of the side air pressure cavity is, the left side of the side air pressure cavity on the front side is fixedly provided with a lower air pressure cavity, a lower piston is connected in the lower air pressure cavity in a sliding mode, the right end wall of the lower piston is fixedly provided with a lower electromagnet, the left end face of the lower piston is connected with the lower air pressure cavity through a lower piston spring, and an upper air pipe is arranged between the top end of the lower air pressure cavity and the bottom end of the supporting block in a specified mode.
Preferably, the right angle positioning mechanism comprises four rotating shaft supporting blocks uniformly and fixedly arranged on the top surface of the supporting plate, the rotating shaft supporting blocks are rotatably connected with the rotating shaft, a motor is arranged at the lower side in the middle of the four rotating shaft supporting blocks, an upper belt wheel is fixedly arranged at one end of the rotating shaft close to the motor, a sequential positioning mechanism is arranged at the lower side of the upper belt wheel, an external thread rod is fixedly arranged at one end of the rotating shaft far away from the rotating shaft, the external thread rod is arranged in a movable internal thread groove with an opening facing the motor and is spirally connected with the motor, the end surface of the external thread rod far away from the motor is connected with the movable internal thread groove through a torsion spring, an internal thread block fixedly connected with the top surface of the supporting plate is arranged at the outer side of the rotating shaft supporting block far, the inner thread groove is internally and spirally connected with a positioning push rod, the movable inner thread groove is fixedly arranged in one end, close to the motor, of the positioning push rod, two stop blocks are symmetrically and fixedly arranged in the front and back of one end, far away from the motor, of the positioning push rod, the front side and the back side of the one end are in sliding connection with a cylindrical block located between the stop blocks, a through hole which is communicated with the front and the back is fixedly arranged in the cylindrical block, a rotating pin is fixedly arranged on the upper end face and the lower end face of the cylindrical block, the rotating pin is arranged in a rotating pin groove which is communicated with the upper end and the lower end face and is in rotating connection with the rotating pin groove, the rotating pin groove is arranged in a top plate which is symmetrically arranged up and down.
Preferably, the last frame clamping adjusting mechanism comprises a lifting telescopic air bag fixedly arranged on the bottom surface of the supporting block, the lifting telescopic air bag is fixedly connected with the upper air pipe, a lifting block is fixedly arranged at the bottom end of the lifting telescopic air bag, an adjusting fixture block sliding groove with a downward opening is fixedly arranged at the bottom end of the lifting block, an adjusting fixture block is slidably connected in the adjusting fixture block sliding groove, the front end surface and the rear end surface of the adjusting fixture block are connected with the adjusting fixture block sliding groove through an adjusting spring, and a vacuum adsorption device is fixedly arranged at the bottom end of the adjusting fixture block.
Preferably, the sequential positioning mechanism comprises a lower belt wheel arranged on the lower side of the upper belt wheel, the lower belt wheel is arranged in a belt wheel groove with an upward opening, the lower belt wheel is connected with the upper belt wheel through a belt, an electric guide rail groove with an opening back to the motor is fixedly arranged on the end wall of the belt wheel groove close to the motor, the top wall of the electric guide rail groove is fixedly provided with an electric guide rail which is in dynamic sliding connection with the tensioning block, the lower belt wheel is fixedly connected with a belt wheel shaft, the belt wheel shaft is rotationally connected with the box body, a small bevel gear is fixedly arranged at one end of the belt wheel shaft close to the motor, the small bevel gears are positioned in the bevel gear cavity, the four small bevel gears are all in meshed connection with the large bevel gear, the bottom end of the large bevel gear is fixedly provided with a motor shaft, the motor shaft is rotatably connected with the box body, and the bottom end of the motor shaft is in power connection with the motor.
Preferably, lower pneumatic chamber right-hand member wall is provided with preceding time delay open circuit, preceding time delay open circuit front end circuit with the electro-magnet is connected down, rear end circuit and rear side the side conveyer trough front end wall is connected, the rear side pneumatic chamber rear end wall is provided with back time delay open circuit, back time delay open circuit right-hand member circuit and rear side the side electro-magnet is connected, left end circuit with back conveyer trough right-hand member wall is connected.
The invention has the beneficial effects that: the four-section frame positioning and welding device can automatically position and weld the four-section frame through the right-angle positioner, does not need manual operation for positioning and welding, has high efficiency, is not easy to make mistakes, improves the automation degree, can realize the respective conveying and positioning of the four-section frame through the matching of simple mechanical parts, does not need to be provided with a complex control system, has lower cost and simple operation, can adjust the position through the arrangement of the last section frame from the upper side, is easier to position and clamp, avoids welding errors and reduces waste.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
3 FIG. 32 3 is 3 a 3 schematic 3 view 3 of 3 A 3- 3 A 3 of 3 FIG. 31 3 according 3 to 3 an 3 embodiment 3 of 3 the 3 present 3 invention 3; 3
FIG. 3 is a partial schematic view of B-B of FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a partial schematic view of C-C of FIG. 2 according to an embodiment of the present invention;
FIG. 5 is a partial schematic view of D-D of FIG. 2 in accordance with an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of the embodiment of the present invention shown in FIG. 2 at E.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The four-frame automatic welding device described in conjunction with the attached drawings 1-6 comprises a box body 10, a positioning welding cavity 76 is arranged in the box body 10, a support plate 33 is fixedly arranged between the side walls of the positioning welding cavity 76, four right-angle positioning mechanisms are uniformly and fixedly arranged on the top wall of the support plate 33, welding holes 32 which are communicated up and down are uniformly arranged at four corners of the support plate 33, welding supply devices 15 which are symmetrically arranged front and back are symmetrically arranged on the upper and lower sides of the positioning welding cavity 76, a connecting pipe groove 17 is arranged on the inner side of the welding supply device 15, which is close to the positioning welding cavity 76, two groups of four lower welding devices 18 which are symmetrically arranged left and right are positioned on the lower side of the welding holes 32 are symmetrically arranged front and back on the top wall of the left end of the connecting pipe groove 17 on the lower side, two upper welding devices 19 which are positioned, the upside the connecting pipe slot 17 right end roof front and back symmetry is provided with two and is located the right side the removal shrink groove 11 of welding hole 32 upside and opening to the fixed position welding chamber 76, sliding connection has the removal welding set 78 in removing shrink groove 11, be provided with electric telescopic handle 12 between removal welding set 78 right-hand member and the removal shrink groove 11, fixed back conveyer trough 34 that the opening is preceding that is provided with of fixed position welding chamber 76 left end rear end wall, sliding connection has back transport block 36 in back conveyer trough 34, fixed connection has back flexible gasbag 37 between back transport block 36 rear end face and the back conveyer trough 34, fixed two left opening side conveyer troughs 30 that are provided with of fixed position welding chamber 76 right-hand member wall front and back symmetry, sliding connection has side transport block 31 in side conveyer trough 30, side transport block 31 right-hand member face with fixed connection has the flexible gasbag 29 of side between the side conveyer trough 30, the fixed welding position adjusting mechanism comprises a positioning welding cavity 76 and is characterized in that a supporting block 48 is fixedly arranged on the right end wall of the positioning welding cavity 76, a push-in groove 14 which is provided with a forward opening and is located on the rear side of the supporting block 48 is fixedly arranged on the rear end wall of the right end of the positioning welding cavity 76, and a final frame clamping adjusting mechanism is arranged at the bottom end of the supporting block 48.
Beneficially, the welding supply device 15 is connected with the lower welding device 18, the upper welding device 19 and the movable welding device 78 through a connecting pipe 16, the connecting pipe 16 is located in the connecting pipe slot 17, the bottom wall of the movable contraction slot 11 is fixedly provided with a movable through slot 13 with a leftward opening, the right end of the rear telescopic air bag 37 is fixedly provided with a rear air pipe 20, the right end of the rear air pipe 20 is fixedly provided with a rear air pressure cavity 23, the rear air pressure cavity 23 is slidably connected with a rear piston 21, the right end wall of the rear air pressure cavity 23 is fixedly provided with a rear electromagnet 22, the left end surface of the rear piston 21 is connected with the rear air pressure cavity 23 through a rear piston spring 35, the rear ends of the front and rear side telescopic air bags 29 are fixedly provided with side air pipes 28, the rear ends of the side air pipes 28 are fixedly provided with side air pressure cavities 24, and the side pistons 26 are, the rear end wall of the side air pressure cavity 24 is fixedly provided with a side electromagnet 27, the front end surface of the side electromagnet 27 is connected with the side air pressure cavity 24 through a side piston spring 25, the left side of the side air pressure cavity 24 is fixedly provided with a lower air pressure cavity 39, a lower piston 40 is connected in the lower air pressure cavity 39 in a sliding mode, the right end wall of the lower piston 40 is fixedly provided with a lower electromagnet 41, the left end surface of the lower piston 40 is connected with the lower air pressure cavity 39 through a lower piston spring 38, and an upper air pipe 49 is arranged between the top end of the lower air pressure cavity 39 and the bottom end of the supporting block 48 in a specified mode.
Advantageously, the right-angle positioning mechanism comprises four rotating shaft supporting blocks 64 uniformly and fixedly arranged on the top surface of the supporting plate 33, the rotating shaft supporting blocks 64 are rotatably connected with a rotating shaft 75, a motor 55 is arranged on the lower side in the middle of the four rotating shaft supporting blocks 64, an upper belt wheel 63 is fixedly arranged at one end of the rotating shaft 75 close to the motor 55, an orderly positioning mechanism is arranged on the lower side of the upper belt wheel 63, an externally threaded rod 74 is fixedly arranged at one end of the rotating shaft 75 far away from the rotating shaft 75, the externally threaded rod 74 is arranged in a movable internal threaded groove 73 opened towards the motor 55 and spirally connected with the motor 55, the end surface of the externally threaded rod 74 far away from the motor 55 is connected with the movable internal threaded groove 73 through a torsion spring 72, and an internal threaded block 65 fixedly connected with the top surface of the supporting plate 33 is arranged on, an internal thread groove 66 which is communicated with the front and the back is fixedly arranged in the internal thread block 65, a positioning push rod 67 is spirally connected in the internal thread groove 66, the movable internal thread groove 73 is fixedly arranged in one end of the positioning push rod 67 close to the motor 55, two stoppers 71 are symmetrically and fixedly arranged at the front and back of one end of the positioning push rod 67, which is far away from the motor 55, the stoppers 71 at the front and back sides are in sliding connection with the cylindrical block 70 positioned between the stoppers 71, a through hole 68 which is communicated with the front and the back is fixedly arranged in the cylindrical block 70, the through hole 68 is connected with the positioning push rod 67 in a sliding way, the upper and lower end surfaces of the cylindrical block 70 are fixedly provided with a rotating pin 50, the rotating pin 50 is arranged in a rotating pin groove 51 which is communicated up and down and is rotationally connected with the rotating pin, the rotating pin slot 51 is arranged in the top plates 52 which are symmetrically arranged up and down, and side plates 69 which are positioned at the front and rear sides of the cylindrical block 70 are symmetrically and fixedly arranged between the top plates 52 at the upper and lower sides.
Beneficially, the last frame position-locking adjusting mechanism includes a lifting telescopic air bag 47 fixedly arranged on the bottom surface of the supporting block 48, the lifting telescopic air bag 47 is fixedly connected with the upper air pipe 49, a lifting block 44 is fixedly arranged at the bottom end of the lifting telescopic air bag 47, an adjusting block sliding groove 46 with a downward opening is fixedly arranged at the bottom end of the lifting block 44, an adjusting block 42 is slidably connected in the adjusting block sliding groove 46, the front and rear end surfaces of the adjusting block 42 are connected with the adjusting block sliding groove 46 through an adjusting spring 43, and a vacuum adsorption device 45 is fixedly arranged at the bottom end of the adjusting block 42.
Advantageously, the sequential positioning mechanism comprises a lower pulley 56 disposed on the lower side of the upper pulley 63, the lower pulley 56 is disposed in a pulley groove 79 with an upward opening, the lower pulley 56 is connected with the upper pulley 63 through a belt 57, the pulley groove 79 is fixedly disposed near the end wall of the motor 55 with a motor-driven guide rail groove 58 with an opening facing away from the motor 55, the top wall of the motor-driven guide rail groove 58 is fixedly disposed with a motor-driven guide rail 62, the motor-driven guide rail 62 is in dynamic sliding connection with the tensioning block 53, the lower pulley 56 is fixedly connected with a pulley shaft 77, the pulley shaft 77 is rotatably connected with the box 10, one end of the pulley shaft 77 near the motor 55 is fixedly disposed with a small bevel gear 54, the small bevel gear 54 is disposed in a bevel gear cavity 61, four small bevel gears 54 are all in meshed connection with a large bevel gear 59, and the bottom end of the large bevel gear 59 is fixedly disposed with a motor shaft, the motor shaft 60 is rotatably connected with the box body 10, and the motor 55 is connected to the bottom end of the motor shaft 60 in a power mode.
Beneficially, the right end wall of the lower air pressure cavity 39 is provided with a front delay cut-off circuit 82, the front end circuit of the front delay cut-off circuit 82 is connected with the lower electromagnet 41, the rear end circuit is connected with the front end wall of the side conveying groove 30 at the rear side, the rear end wall of the side air pressure cavity 24 at the rear side is provided with a rear delay cut-off circuit 81, the right end circuit of the rear delay cut-off circuit 81 is connected with the rear side electromagnet 27, and the left end circuit is connected with the right end wall of the rear conveying groove 34.
In the initial state, the rear expansion airbag 37, the front and rear expansion airbags 29, the lift expansion airbag 47, and the adjustment spring 43 are in the normal state, the rear piston spring 35, the front and rear piston springs 25, and the lower piston spring 38 are in the stretched state, the torsion spring 72 is in the normal twisted state, and the four belts 57 are in the relaxed state.
The three frames are respectively placed in the corresponding rear conveying groove 34 and the front and rear side conveying grooves 30, the last frame is pushed into the positioning welding cavity 76 through the pushing groove 14, and the vacuum adsorption device 45 is started to adsorb and fix the last frame, so that the last frame moves along with the vacuum adsorption device 45 and the adjusting fixture block 42.
The motor 55 is started to rotate the motor shaft 60, so that the large bevel gear 59 rotates, so that the four small bevel gears 54 rotate, so that the four pulley shafts 77 rotate, so that the four lower pulleys 56 rotate, the rear electromagnet 22 and the front side electromagnet 27 are disconnected, so that the rear piston 21 moves leftward by the return action of the rear piston spring 35, the front side piston 26 moves forward by the return action of the front side piston spring 25, so that the gas in the rear gas pressure chamber 23 enters the rear telescopic airbag 37 through the rear gas pipe 20, the gas in the front side gas pressure chamber 24 enters the front side telescopic airbag 29 through the front side gas pipe 28, so that the rear telescopic airbag 37 and the front side telescopic airbag 29 extend, so that the rear conveying block 36 moves forward to push the corresponding frame to move forward, the front side conveying block 31 moves leftward to push the corresponding frame to move leftward, so that the two frames are contacted, thereby, the left front side electric guide rail 62 controls the left front side tension block 53 to move in the direction away from the motor shaft 60, so that the left front side belt 57 is tensioned, the left front side upper belt wheel 63 rotates, the left front side rotating shaft 75 rotates, the left front side outer threaded rod 74 rotates, the left front side positioning push rod 67 spirally moves to the left front side, the left front side cylindrical block 70 moves to the left front side, the two left front side plates 69 abut against the corresponding frames, the right angle formed by the two frames is positioned, the left front side lower welding device 18 and the upper welding device 19 perform welding operation on the four frame corners, and the left front side lower welding device 18 and the upper welding device 19 are closed after welding.
The lower pneumatic chamber 39 moves forward to the most front end and is connected with the rear-side delayed disconnecting circuit 81 of the rear-side electromagnet 27, after the welding of the four-side frame left front corner is finished, the rear-side electromagnet 27 is disconnected, so that the rear-side piston 26 moves forward under the action of the return of the rear-side piston spring 25, the gas in the rear-side pneumatic chamber 24 enters the rear-side telescopic airbag 29 through the rear-side gas pipe 28, the rear-side telescopic airbag 29 is expanded, the rear-side conveying block 31 moves leftward to push the corresponding frame to move leftward, so that the two frames of the four-side frame left rear corner are contacted, the left rear electric guide rail 62 controls the left rear block 53 to move in the direction away from the motor shaft 60, the left rear belt 57 is tensioned, the left rear upper belt pulley 63 rotates, the left rear rotating shaft 75 rotates, and the left rear outer threaded rod 74 rotates, thereby, the left rear positioning push rod 67 spirally moves towards the left front, so that the left rear cylindrical block 70 moves towards the left front, so that the two left rear side plates 69 abut against the corresponding frames, the left rear right corner is positioned, the left rear lower welding device 18 and the upper welding device 19 perform welding operation on the four frame corners, and the left rear lower welding device 18 and the upper welding device 19 are closed after welding.
The rear side conveying block 31 moves leftwards to the leftmost end to be connected with a front delay disconnection circuit 82 of a lower electromagnet 41, after the welding of the left rear corners of the four frames is finished, the lower electromagnet 41 is disconnected, so that the lower piston 40 moves leftwards under the reset action of a lower piston spring 38, gas in a lower air pressure cavity 39 enters a lifting telescopic air bag 47 through an upper air pipe 49, the lifting telescopic air bag 47 extends, the lifting block 44, an adjusting fixture block 42 and a vacuum adsorption device 45 move downwards to drive the corresponding frame to move downwards to be contacted with the rest frames, the adjusting fixture block 42, the vacuum adsorption device 45 and the last frame move forwards and backwards to be adjusted to be correctly clamped between the frames, the front and rear side electric telescopic rods 12 are controlled to extend, the front and rear side moving welding device 78 moves leftwards to the position above the right side lower welding device 18, and the two right side electric guide rails 62 control the two right side tensioning blocks 53 to move towards the direction far away from the motor shaft 60, thereby tensioning the two right-side belts 57, rotating the two right-side upper pulleys 63, rotating the two right-side rotating shafts 75, rotating the two right-side external threaded rods 74, spirally moving the two right-side positioning push rods 67 to the left front, moving the two right-side cylindrical blocks 70 to the left front, abutting the two right-side plates 69 against the corresponding frames, positioning the two right angles on the right, starting the front-rear movable welding device 78 and the right-side lower welding device 18 to weld the front right corner and the rear right corner of the four frames, and closing the front-rear movable welding device 78 and the right-side lower welding device 18 after welding.
When the device needs to be reset, the motor 55 is turned off, and the rear electromagnet 22, the front and rear side electromagnets 27 and the lower electromagnet 41 are turned on, so that the movement of each moving part is stopped, each elastic element plays a reset role, and the device completes the reset.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a four frames automatic welder, includes the box, its characterized in that: a positioning welding cavity is arranged in the box body, a supporting plate is fixedly arranged between the side walls of the positioning welding cavity, four right-angle positioning mechanisms are uniformly and fixedly arranged on the top wall of the supporting plate, welding holes which are communicated up and down are uniformly arranged on four corners of the supporting plate, welding supply devices which are symmetrically arranged front and back are symmetrically arranged on the upper side and the lower side of the positioning welding cavity, a connecting pipe groove is arranged on the inner side of the welding supply device close to the positioning welding cavity, two groups of four lower welding devices which are symmetrically arranged left and right are symmetrically arranged on the front and back of the top wall of the connecting pipe groove on the lower side, two upper welding devices which are arranged on the upper side of the welding hole on the left side are symmetrically arranged on the front and back of the top wall of the left end of the connecting pipe groove on the upper side, two movable contraction grooves which are, a movable welding device is connected in the movable contraction groove in a sliding way, an electric telescopic rod is arranged between the right end of the movable welding device and the movable contraction groove, a rear conveying groove with a forward opening is fixedly arranged on the rear end wall at the left end of the positioning welding cavity, a rear conveying block is connected in the rear conveying groove in a sliding manner, a rear telescopic air bag is fixedly connected between the rear end surface of the rear conveying block and the rear conveying groove, two lateral conveying grooves with leftward openings are symmetrically and fixedly arranged in front and rear of the right end wall of the positioning welding cavity, a side conveying block is connected in the side conveying groove in a sliding manner, a side telescopic air bag is fixedly connected between the right end surface of the side conveying block and the side conveying groove, the fixed supporting shoe that is provided with of fixed position welding chamber right-hand member wall, fixed being provided with of fixed position welding chamber right-hand member rear end wall is opened forward and is located the groove of pushing of supporting shoe rear side, the supporting shoe bottom is provided with last frame screens adjustment mechanism.
2. The automatic welding device for four side frames according to claim 1, wherein: the welding supply device is connected with the lower welding device, the upper welding device and the movable welding device through connecting pipes, the connecting pipes are positioned in the connecting pipe grooves, the bottom wall of the movable contraction tank is fixedly provided with a movable through groove with a leftward opening, the right end of the rear telescopic air bag is fixedly provided with a rear air pipe, the right end of the rear air pipe is fixedly provided with a rear air pressure cavity, the rear air pressure cavity is internally and slidably connected with a rear piston, the right end wall of the rear air pressure cavity is fixedly provided with a rear electromagnet, the left end surface of the rear piston is connected with the rear air pressure cavity through a rear piston spring, the rear ends of the front side and the rear side of the side telescopic air bag are fixedly provided with side air pipes, the rear ends of the side air pipes are fixedly provided with side air pressure cavities, the side pistons are internally and slidably connected with the rear end walls of the side air pressure cavities, the front end surfaces of the side, the left side of the side air pressure cavity on the front side is fixedly provided with a lower air pressure cavity, a lower piston is connected in the lower air pressure cavity in a sliding mode, the right end wall of the lower piston is fixedly provided with a lower electromagnet, the left end face of the lower piston is connected with the lower air pressure cavity through a lower piston spring, and an upper air pipe is arranged between the top end of the lower air pressure cavity and the bottom end of the supporting block in a specified mode.
3. The automatic welding device for four side frames according to claim 1, wherein: the right-angle positioning mechanism comprises four rotating shaft supporting blocks which are uniformly and fixedly arranged on the top surface of the supporting plate, the rotating shaft supporting blocks are rotatably connected with a rotating shaft, a motor is arranged on the lower side in the middle of the four rotating shaft supporting blocks, an upper belt wheel is fixedly arranged at one end of the rotating shaft close to the motor, a sequential positioning mechanism is arranged on the lower side of the upper belt wheel, an external thread rod is fixedly arranged at one end of the rotating shaft far away from the rotating shaft, the external thread rod is arranged in a movable internal thread groove with an opening facing the motor and is spirally connected with the motor, the end surface of the external thread rod far away from the motor is connected with the movable internal thread groove through a torsion spring, an internal thread block fixedly connected with the top surface of the supporting plate is arranged on the outer side of the rotating shaft supporting block far away from the motor, a, the movable internal thread groove is fixedly arranged in one end, close to the motor, of the positioning push rod, two stop blocks are symmetrically and fixedly arranged in the front and back direction of one end, far away from the motor, of the positioning push rod, the stop blocks are in sliding connection with the cylindrical block located between the stop blocks on the front side and the rear side, through holes which are communicated in the front and back direction are fixedly arranged in the cylindrical block, the through holes are in sliding connection with the positioning push rod, rotating pins are fixedly arranged on the upper end face and the lower end face of the cylindrical block, the rotating pins are arranged in rotating pin grooves which are communicated up and down and are in rotating connection with the rotating pin grooves, the rotating pin grooves are arranged in top plates which are symmetrically arranged up and down, and.
4. The automatic welding device for four side frames according to claim 1, wherein: last frame screens adjustment mechanism including fixed set up in the lift flexible gasbag of supporting shoe bottom surface, lift flexible gasbag with go up trachea fixed connection, lift flexible gasbag bottom mounting is provided with the elevator, the elevator bottom mounting is provided with the downward regulation fixture block spout of opening, sliding connection has the regulation fixture block in the regulation fixture block spout, adjust the fixture block around the terminal surface with adjust through adjusting spring connection between the fixture block spout, it is provided with vacuum adsorption device to adjust fixture block bottom mounting.
5. The automatic welding device of claim 3, wherein: the sequential positioning mechanism comprises a lower belt wheel arranged on the lower side of the upper belt wheel, the lower belt wheel is arranged in a belt wheel groove with an upward opening, the lower belt wheel is connected with the upper belt wheel through a belt, an electric guide rail groove with an opening back to the motor is fixedly arranged on the end wall of the belt wheel groove close to the motor, the top wall of the electric guide rail groove is fixedly provided with an electric guide rail which is in dynamic sliding connection with the tensioning block, the lower belt wheel is fixedly connected with a belt wheel shaft, the belt wheel shaft is rotationally connected with the box body, a small bevel gear is fixedly arranged at one end of the belt wheel shaft close to the motor, the small bevel gears are positioned in the bevel gear cavity, the four small bevel gears are all in meshed connection with the large bevel gear, the bottom end of the large bevel gear is fixedly provided with a motor shaft, the motor shaft is rotatably connected with the box body, and the bottom end of the motor shaft is in power connection with the motor.
6. The automatic welding device for four side frames according to claim 2, wherein: lower pneumatic chamber right side end wall is provided with preceding time delay open circuit, preceding time delay open circuit front end circuit with the electro-magnet is connected down, rear end circuit and rear side the side conveyer trough front end wall is connected, the rear side pneumatic chamber rear end wall is provided with back time delay open circuit, back time delay open circuit right-hand member circuit and rear side the side electro-magnet is connected, left side end circuit with back conveyer trough right-hand member wall is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011260695.9A CN112338398A (en) | 2020-11-12 | 2020-11-12 | Four-side-frame automatic welding device |
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| CN202011260695.9A CN112338398A (en) | 2020-11-12 | 2020-11-12 | Four-side-frame automatic welding device |
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| CN112338398A true CN112338398A (en) | 2021-02-09 |
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| CN202011260695.9A Withdrawn CN112338398A (en) | 2020-11-12 | 2020-11-12 | Four-side-frame automatic welding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399854A (en) * | 2021-06-03 | 2021-09-17 | 厦门琉桐贸易有限公司 | Electric welding machining equipment for mechanical parts |
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