Background
For welding the middle plate nut of the mobile phone, the prior art is that the mobile phone frame and the nut are assembled in batches into a jig and then are put into a welding machine for welding, the speed of putting the nut into the jig is low, the operation steps are complex, the assembly and the welding are not in the same equipment, and the whole welding process consumes a long time.
Published Chinese utility model patent, application number CN201521000547.8, patent name: automatic double-station nut inserting machine for application days: 20151207, the utility model relates to a processing device for a double-station nut inserting machine, which is convenient for fully automatically carrying out double-station nut inserting on electronic products. The automatic double-station nut inserting machine comprises a machine table, a top frame, a nut beating mechanism, a heating controller, a numerical control system, an X-axis positioning assembly, a Y-axis positioning assembly, a Z-axis positioning assembly and a vibration disc feeding machine. The numerical control system and the heating controller carry out machine integral control processing production on workpieces, full-automatic blanking production is carried out through the vibration disc feeding machine, positioning processing production is carried out through the upper and lower height positions controlled by the Z-axis upper and lower mechanisms, double-station full-automatic nut feeding and nut embedding operation is realized, the nut feeding and nut embedding operation is realized through the numerical control system, the accuracy is high, positioning errors are avoided, the product switching time is greatly saved, the process processing is completed at one time, the operation is simple, the working efficiency is high, the quality effect is good, manual participation operation is not needed in the whole process, the intelligent degree is high, and the manpower is greatly saved.
However, due to the irregularity of the shape of the nut, the individual is very small, the vibration plate feeding is easy to clamp, and an operator is required to manually dial the feeding when the operator fails, so that the utilization rate of the equipment is seriously affected, and the yield is affected.
Disclosure of Invention
The invention provides a double-station mobile phone middle plate nut welding machine, which aims at the defects of the prior art and comprises a base 1, wherein an automatic feeding machine, a secondary positioning platform, a feeding manipulator assembly, a storage bin feeding module, a correction jig moving module, a correction jig cover plate taking-out module, a nut suction detection assembly module, a nut secondary positioning detection module, a jig runner, a sliding pressing mechanism, a jig cleaning and discharging module, a pair of product outflow runners, a pair of jig base runners and a jig cover plate discharging module are respectively arranged on the base 1, and a six-axis manipulator 2 is arranged on one side close to the jig runner;
The secondary positioning platform is arranged in the direction of the discharge hole of the automatic feeding machine, the discharge hole of the secondary positioning platform is vertically connected with the discharge end of the alignment jig moving module, the bin feeding module is arranged above the feed inlet of the alignment jig moving module, the alignment jig cover plate taking module is arranged above the taking cover of the alignment jig moving module,
The jig cleaning and discharging device comprises a jig moving module, a jig runner, a six-axis mechanical arm 2, a sliding pressing mechanism, a jig base, a jig cleaning and discharging module and a single-acting cylinder, wherein the jig runner is arranged on one side of the jig moving module, which is parallel to the jig moving module, far away from the automatic feeding machine, the six-axis mechanical arm 2 is arranged on one side of the jig runner, the jig runner is provided with the sliding pressing mechanism for pressing the jig base, the jig is opened by pushing a sliding pin through the single-acting cylinder arranged on the jig runner, and the jig cleaning and discharging module is arranged above the jig runner in a vertical mode;
A pair of product outflow channels are arranged in the vertical direction of one side of the jig flow channel far away from the automatic feeding machine, a pair of jig base flow channels are arranged in the parallel direction, a nut suction detection assembly module and a nut secondary positioning detection module are arranged between the pair of jig base flow channels and the alignment jig cover plate taking-out module,
The feeding manipulator assembly is arranged between the alignment jig moving module and the jig runner, and a jig cover plate discharging module is arranged on the base 1 and close to one side of the pair of product outflow runners.
Preferably, the base 1 is further provided with a cover plate buffer module 3, and the cover plate buffer module 3 is arranged on one side close to the six-axis manipulator 2.
Preferably, the secondary positioning platform comprises a sliding table cylinder, a linear sliding rail 4, a flexible product positioning assembly 5 and a product detection assembly 6, wherein the linear sliding rail 4 is connected below a discharge hole of the automatic feeding machine, the linear sliding rail 4 is connected with the flexible product positioning assembly 5 through the sliding table cylinder, and the product detection assembly 6 is arranged at a feeding end of the linear sliding rail 4.
Preferably, the feeding manipulator assembly comprises a horizontal movement manipulator 7, a flexible sucker assembly 8 and a code scanning camera assembly 9, a pair of flexible sucker assemblies 8 are arranged below the horizontal movement manipulator 7, and the code scanning camera assembly 9 is vertically arranged at the joint of the pair of flexible sucker assemblies 8.
Preferably, the bin feeding module comprises a bin vertical moving device 10, a bin thin type air cylinder 11 and pen-shaped air cylinders, wherein the bin thin type air cylinder 11 is installed on the bin vertical moving device 10, and the pen-shaped air cylinders are respectively installed on two sides of the bin vertical moving device.
Preferably, the nut suction detection assembly module comprises a first suction head 13, a second suction head 14, a nut horizontal movement device 15 and a nut vertical movement device 16, wherein the nut vertical movement device 16 is vertically installed on the nut horizontal movement device 15, the nut vertical movement device 16 is respectively connected with the first suction head 13 and the second suction head 14 through thin cylinders, and one side of the second suction head 14 is provided with a photoelectric detector 17.
Preferably, the clean discharge module of tool includes tool horizontal migration device 18, tool vertical migration device 19, air cock 20 and the slip table cylinder that control air cock 20 goes up and down, tool vertical migration device 19 installs on tool vertical migration device 19, air cock 20 passes through the slip table cylinder and installs on tool vertical migration device 19, tool horizontal migration device 18 still installs clamping jaw cylinder 21.
The invention has the beneficial effects that: the nut and the frame are assembled and welded in the same equipment, so that the equipment utilization rate is high, the automation degree is high, the working quality is ensured, and the working time is saved.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a right side perspective view of the present invention;
FIG. 3 is a left side perspective view of the present invention;
FIG. 4 is an enlarged view of a portion of a loading robot assembly of the present invention;
FIG. 5 is an enlarged view of a portion of the feed bin feed module and the nut pick-up detection assembly module of the present invention;
FIG. 6 is an enlarged view of a portion of a platform driving module according to the present invention;
FIG. 7 is an enlarged view of a portion of point A of FIG. 6;
FIG. 8 is an enlarged view of a portion of the Z-axis drive module according to the present invention;
FIG. 9 is an enlarged view of a portion of the Z-axis drive module, vacuum generator, and suction member according to the present invention;
FIG. 10 is an enlarged view of a secondary positioning stage according to the present invention;
FIG. 11 is an enlarged view of a secondary positioning platform and a drop box according to the present invention;
FIG. 12 is an enlarged view of an alignment jig plate according to the present invention;
FIG. 13 is an enlarged view of the alignment jig cover plate according to the present invention;
FIG. 14 is an enlarged view of a portion of the bin deck module according to the invention;
FIG. 15 is an enlarged view of a portion of the bin drive module according to the present invention;
FIG. 16 is an enlarged view of a portion of the upper cover of the alignment jig according to the present invention;
FIG. 17 is an enlarged view of a portion of the jig jaw and cap removal assembly of the present invention;
In the drawing the view of the figure,
1. A base; 2. a six-axis manipulator; 3. a cover plate buffer module; 4. a linear slide rail; 5. a flexible product positioning assembly; 6. a product detection assembly; 7. a horizontal movement manipulator; 8. a flexible suction cup assembly; 9. a code scanning camera assembly; 10. a bin vertical moving device; 11. a thin cylinder of a stock bin; 13. a first adsorption head; 14. a second adsorption head; 15. a nut horizontal movement device; 16. a nut vertical movement device; 17. a photodetector; 18. a jig horizontal movement device; 19. a jig vertical movement device; 20. an air tap; 21. a clamping jaw cylinder; 22. a platform driving module; 23. a jig opening mechanism; 24. the jig compresses tightly the floating mechanism; 25. a jig base detection sensor; 26. detecting photoelectricity by the upper cover of the jig; 27. a Z-axis driving module; 28. a dust blowing module; 29. the jig elastic removing module; 30. a vacuum display; 31. a vacuum generator; 32. the first adsorption head drives the cylinder; 33. a first adsorption head elastic mechanism; 34. the second adsorption head drives a cylinder; 35. a second adsorption head elastic mechanism; 36. a first adsorption head; 37. a second adsorption head; 38. a secondary positioning platform; 39. a material throwing box; 40. positioning a guide needle; 41. a guide needle cylinder; 42. a lifting module; 43. a stock bin platform; 44. a bin compressing mechanism; 45. a bin opening mechanism; 46. positioning and lifting up the module by the alignment jig; 47. the alignment jig plate is moved into the module; 48. arranging a jig moving module; 49. lifting cylinders on the upper cover of the alignment jig plate; 50. the upper cover of the jig plate is clamped with the cylinder; 51. the elastic thimble is covered on the alignment jig plate; 52. a jig clamping jaw assembly; 53. the jig is provided with a cover removing component.
Detailed Description
As can be seen from fig. 1-16, the present invention includes: the automatic feeding machine, the secondary positioning platform, the feeding manipulator assembly and the feeding manipulator assembly are respectively arranged on the base 1, and the base 1 is provided with a base body,
A feed bin feeding module, a arranging jig moving module, a arranging jig cover plate taking-out module, a nut sucking detection assembly module, a nut secondary positioning detection module,
The device comprises a jig runner, a sliding pressing mechanism, a jig cleaning and discharging module, a pair of product outflow runners, a pair of jig base runners and a jig cover plate discharging module;
a six-axis manipulator 2 is arranged at one side close to the jig runner;
The secondary positioning platform is arranged in the direction of the discharge hole of the automatic feeding machine, the discharge hole of the secondary positioning platform is vertically connected with the discharge end of the alignment jig moving module, the bin feeding module is arranged above the feed inlet of the alignment jig moving module, the alignment jig cover plate taking module is arranged above the taking cover of the alignment jig moving module,
A jig runner is arranged on one side, far away from the automatic feeding machine, of the jig moving module parallel to the arranging jig moving module, a six-axis mechanical arm 2 is arranged on one side of the jig runner, a sliding pressing mechanism is arranged on the jig runner to press a jig base, a sliding pin is pushed by a single-acting cylinder arranged on the jig runner to open the jig, a jig cleaning and discharging module is arranged above the jig runner in a manner of being perpendicular to the jig runner,
A pair of product outflow channels are arranged in the vertical direction of one side of the jig flow channel far away from the automatic feeding machine, a pair of jig base flow channels are arranged in the parallel direction, a nut sucking detection assembly module and a nut secondary positioning detection module are arranged between the pair of jig base flow channels and the arranging jig cover plate taking-out module in sequence,
The base 1 is also provided with a feeding manipulator assembly which is arranged between the arranging jig moving module and the jig runner,
And a jig cover plate discharging module is arranged on one side of the base 1, which is close to the pair of product outflow channels.
In this embodiment, preferably, the base 1 is further provided with a cover plate buffer module 3, and the cover plate buffer module 3 is disposed on a side close to the six-axis manipulator 2.
By the arrangement of the structure, the cover plate buffer module 3 is composed of machined parts and is matched with a proximity switch to store a jig cover plate for circulation.
In this implementation, preferably, the secondary positioning platform includes slip table cylinder, linear slide rail 4, flexible product positioning component 5 and product detection component 6, linear slide rail 4 accepts in automatic feeding machine's discharge gate below, be connected with flexible product positioning component 5 through the slip table cylinder on the linear slide rail 4, product detection component 6 installs the feed end at linear slide rail 4.
By the arrangement of the structure, the product detection assembly 6 detects whether a product exists on the secondary positioning platform or not and the direction of the product, and the flexible product positioning assembly 5 fixes the product on the secondary positioning platform. The slipway cylinder drives the secondary positioning platform to the material taking position of the feeding manipulator assembly.
In this embodiment, preferably, the feeding manipulator assembly includes a horizontal movement manipulator 7, a flexible sucker assembly 8 and a code scanning camera assembly 9, a pair of flexible sucker assemblies 8 are installed below the horizontal movement manipulator 7, and the code scanning camera assembly 9 is vertically installed at the joint of the pair of flexible sucker assemblies 8.
By means of the structure, the horizontal movement manipulator 7 controls the flexible sucker assembly 8 to absorb products according to the detection result of the secondary positioning platform, then moves to the CCD detection position of the code scanning camera assembly 9 according to the detection result of the secondary positioning platform, and shoots two-dimension codes of the products by using CCD, and whether the products are qualified or not is compared.
In this embodiment, preferably, the bin feeding module comprises a bin vertical moving device 10, a bin thin cylinder 11 and pen-shaped cylinders, wherein the bin thin cylinder 11 is installed on the bin vertical moving device 10, and the pen-shaped cylinders are respectively installed on two sides of the bin vertical moving device.
By the arrangement of the structure, the vertical moving device 10 of the storage bin is controlled to lift by a TOYO linear module and a linear guide rail, 1 storage bin thin type air cylinder 11 is used for compressing and loosening the storage bin, and 2 pen-shaped air cylinders are used for controlling the opening and closing of a storage bin baffle plate so as to control the in and out of the whole row of discs.
In this embodiment, preferably, the nut suction detection assembly module includes a first suction head 13, a second suction head 14, a nut horizontal movement device 15, and a nut vertical movement device 16, where the nut vertical movement device 16 is vertically installed on the nut horizontal movement device 15, the nut vertical movement device 16 is connected with the first suction head 13 and the second suction head 14 through thin cylinders, and a photoelectric detector 17 is installed on one side of the second suction head 14.
With the above structure, the nut horizontal moving device 15 is matched with a TOYO module to control the transverse movement of the whole module, the nut vertical moving device 16 is matched with a TOYO module to control the up-and-down movement of the whole adsorption module, the 1 thin cylinder controls the up-and-down movement of the first adsorption head 13, the other thin cylinder controls the up-and-down movement of the second adsorption head 14, and the CCD beside the adsorption head is responsible for detecting the detection before the nut is installed and whether the nut is installed in place after the nut is installed.
In this embodiment, preferably, the jig cleaning and discharging module comprises a jig horizontal moving device 18, a jig vertical moving device 19, an air tap 20 and a sliding table cylinder for controlling the air tap 20 to lift, wherein the jig vertical moving device 19 is installed on the jig vertical moving device 19, the air tap 20 is installed on the jig vertical moving device 19 through the sliding table cylinder, and the jig horizontal moving device 18 is also provided with a clamping jaw cylinder 21.
With the above structure, the horizontal moving device 18 of the jig is matched with a TOYO module to control the transverse movement of the whole module, the vertical moving device 19 of the jig is matched with a TOYO module to control the vertical movement of the whole module, a 2-way electromagnetic valve is used for controlling the on-off of the blowing nozzle 20, a sliding table cylinder is used for controlling the lifting of the nozzle 20, and a clamping jaw cylinder 21 is matched with an elastic jacking mechanism to grab the bottom plate of the jig.
In addition, a control and monitoring system is built by using a Mitsubishi PLC, a CCD and PROFACE touch screens, the PLC stores parameters of each station, such as CCD reference edge values, station position parameters, welding time and the like, and corresponding data is automatically found by scanning two-dimensional codes of products through a bar code gun. The CCD controller transmits the welding parameters of each product to the PLC through ETHERNETIP protocols, and the PLC can store the parameters, so that the welding parameters are convenient to check.
In use, the method comprises the following process steps:
s1: and (3) conveying a jig: after the jig flows into the runner and is conveyed into the equipment, the jig cleaning and discharging module is grabbed onto the jig runner module;
S2: detecting and removing the upper cover of the jig: detecting whether the upper cover of the jig is installed or not through a sensor, if the upper cover of the jig is installed, conveying the upper cover to a cover removing position, and removing the upper cover of the jig by a six-axis mechanical arm 2;
S3: tool base is clean: the movable module is conveyed to a cleaning station, and the jig cleaning module cleans a jig base;
s4: detecting welding positions of the jig: detecting whether the welding position of the jig is abnormal or not by using a CCD;
S5: jig, nut and product assembly: the welding position of the jig is normal, the second adsorption head places the precisely positioned nut into the jig base, and the feeding mechanical arm places the product into the jig base and covers the nut;
S6: installing an upper cover and welding: the jig base is conveyed to the position of the press-fitting upper cover, and after the upper cover of the 6-axis mechanical arm covers the jig base, the 6-axis mechanical arm puts the jig into a laser welding machine for welding.
S7: removing the upper cover and detecting a welding result: taking out the jig assembly after welding is finished, putting the jig assembly on a jig runner, and detecting a welding result by a CCD (charge coupled device) on a feeding manipulator after a 6-axis manipulator removes an upper cover of the jig;
S8: and (3) releasing the product: and if the product is qualified, the welded product is sucked and placed in an OK product output flow channel for output, and the NG product is placed in an NG product output flow channel for output.
The above-described embodiments are merely illustrative of the principles of the present application and their effectiveness, and are not intended to limit the present application. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications and variations which may be accomplished by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of this patent application.