CN111266871A

CN111266871A - Novel friction welding equipment and production line

Info

Publication number: CN111266871A
Application number: CN202010249756.5A
Authority: CN
Inventors: 王超
Original assignee: Jilin Zhong Ying High Technology Co Ltd
Current assignee: Jilin Zhong Ying High Technology Co Ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-06-12
Also published as: WO2021197419A1

Abstract

The invention discloses novel friction welding equipment and a production line, which comprise a rack and a controller, wherein a rotating mechanism and a translation mechanism are arranged on the rack, the rotating mechanism comprises a main shaft connected with the rack, a first driving unit connected with the rear end of the main shaft and a first clamp connected with the front end of the main shaft, and the first clamp is used for clamping a first workpiece; the translation mechanism comprises a moving platform, a second driving unit and a second clamp, wherein the moving platform is in sliding connection with the rack, the second driving unit is connected with the rear end of the moving platform, the second clamp is connected with the front end of the moving platform, the second clamp is used for clamping a second workpiece, a convex structure is arranged on the surface of the clamping position of the second clamp, and the like.

Description

Novel friction welding equipment and production line

Technical Field

The invention relates to the technical field of welding equipment, in particular to novel friction welding equipment and a production line.

Background

At present, the existing friction welding equipment is mainly used for welding metal workpieces with high strength such as steel parts and the like, so that for the metal workpieces with relatively low mechanical strength, when the existing friction welding equipment is used for friction welding, if a clamp is clamped too tightly, the metal workpieces can be deformed; if the clamp is too loose, the metal workpiece can fall off, and the welding quality of the welding joint can not be ensured. Moreover, when the existing friction welding equipment is used for welding, the welding surface of a welding workpiece needs to be cleaned in advance and then can be welded, the process is complex, the working hours are wasted, poor welding quality of a welding joint can be caused due to poor welding surface treatment, the mechanical property and the electrical property of the welding joint are reduced, the service life of the welding joint is shortened, and the problem of welding quality is frequent. After the welding is completed, the welding position of the two welding workpieces is extruded with molten material to form a flash due to the pressure of the upset forging, and in order to avoid the influence of the flash on the use of the parts welded by the two welding workpieces, flash cutting needs to be performed by using flash removing equipment, which wastes labor, time, and cost.

Therefore, in the technical field of welding equipment, a friction welding device with complete functions, convenience, intelligence and stable welding quality is urgently needed.

Disclosure of Invention

The invention aims to provide novel friction welding equipment and a production line, and aims to solve the problems of frequent welding quality and low welding efficiency of the conventional friction welding equipment.

In order to solve the problems, the technical scheme adopted by the invention specifically comprises the following steps:

a novel friction welding device comprises a rack and a controller, wherein a rotating mechanism and a translation mechanism are arranged on the rack, the rotating mechanism comprises a main shaft connected with the rack, a first driving unit connected with the rear end of the main shaft and a first clamp connected with the front end of the main shaft, and the first clamp is used for clamping a first workpiece; the translation mechanism comprises a moving platform in sliding connection with the rack, a second driving unit connected with the rear end of the moving platform, and a second clamp connected with the front end of the moving platform, the second clamp is used for clamping a second workpiece, and a convex structure is arranged on the surface of a clamping position of the second clamp; the first drive unit and the second drive unit are both electrically connected with the controller.

Furthermore, the novel friction welding equipment further comprises a feeding mechanism and a discharging mechanism which are arranged on the rack, wherein the feeding mechanism is used for respectively transferring the first workpiece and the second workpiece to the first clamp and the second clamp; the blanking mechanism is used for conveying a welding part formed by welding the first workpiece and the second workpiece out of the rack.

Further, the novel friction welding device further comprises a first detector electrically connected with the controller, wherein the first detector is arranged on the rack and is used for detecting the relative position of the first workpiece and/or the second workpiece.

Further, the novel friction welding equipment also comprises at least one second detector electrically connected with the controller, and the second detector is arranged on the rack and used for detecting whether the rack is in a horizontal state or not.

Further, the novel friction welding device further comprises a third detector electrically connected with the first driving unit and the controller, and the third detector is arranged on the first driving unit and used for detecting the angle of the first driving unit when the first driving unit rotates.

Further, the novel friction welding equipment further comprises a mechanical sensor connected with the controller, and the mechanical sensor is arranged on the second driving unit and used for detecting the driving force of the second driving unit to the moving platform.

Furthermore, a groove is formed in the front end of the clamping position of the second clamp.

Further, the novel friction welding equipment further comprises a cutting assembly arranged on the rack, and the cutting assembly comprises a first cutting mechanism used for cutting the welding end face of the first workpiece.

Further, the cutting assembly further comprises a second cutting mechanism arranged on the rack, and the second cutting mechanism is used for cutting the welding end face of the second workpiece.

Furthermore, the novel friction welding equipment also comprises a waste discharging assembly, wherein the waste discharging assembly comprises a scrap collector arranged on the rack, a waste discharging channel communicated with the outlet end of the scrap collector, a dust collector communicated with the outlet end of the waste discharging channel, and a waste collecting box communicated with the outlet end of the dust collector; the inlet end of the chip collector is arranged right below the cutting assembly, and the dust collector is connected with the controller.

Further, the first cutting mechanism and/or the second cutting mechanism further comprise a first end face detector connected with the controller, and the first end face detector is used for detecting the pores of the welding end face of the first workpiece and/or the second workpiece.

Further, the first cutting mechanism and/or the second cutting mechanism further comprise a second end face detector connected with the controller, and the second end face detector is used for detecting the angle between the welding end face of the first workpiece and/or the second workpiece and the vertical direction.

Further, the first cutting mechanism and/or the second cutting mechanism further comprise an angle detector connected with the controller, and the angle detector is used for detecting the relative angle of the welding end face of the first workpiece and/or the second workpiece.

Further, novel friction welding equipment still includes safety protection mechanism, safety protection mechanism is including setting up rack safety fence all around with set up and be in operation emergency exit and safety grating on the safety fence.

The invention also discloses a production line which comprises the novel friction welding equipment.

Compared with the prior art, the invention has the beneficial effects that:

1. at present, in order to improve the welding effect of friction welding, the conventional friction welding equipment improves the running stability of the equipment by improving the equipment precision, so as to achieve the purpose of improving the welding quality, but the cost is high and the time is long.

2. Novel friction welding equipment is still including setting up feed mechanism and unloading mechanism on the rack to through the cooperation of feed mechanism, rotary mechanism, translation mechanism and unloading mechanism has realized first work piece and/or second work piece friction weld's automation has improved first work piece and/or the welding efficiency of second work piece. Meanwhile, manual operation is cancelled and mechanical automatic operation is changed, so that errors of manual operation are reduced, and the quality of a welding joint is improved.

3. Novel friction welding equipment still include with various detectors that the controller is connected can the various states of check out test set and feed back to the controller, the controller can controlgear make corresponding action to ensure that welding quality can be controlled, specifically: the novel friction welding equipment can detect the distance between the first workpiece and the second workpiece through the first detector so as to ensure better welding quality; the novel friction welding equipment can detect whether the rack is in a horizontal state or not through the second detector so as to avoid influence on welding caused by inclination of the rack; the novel friction welding equipment can achieve the purpose of detecting the welding angle of the first element and the second element in the opposite direction through the prime number third detector; novel friction welding equipment passes through mechanics sensor can real-time supervision the second drive unit is right moving platform's drive power size to ensure the second work piece receives the effort size of preferred at friction welding's in-process, and then ensures friction welding equipment has better welding quality.

4. The front end of the clamping position of the second clamp is provided with a groove, so that molten materials generated during friction welding of the first workpiece and/or the second workpiece can be accommodated through the groove, and flash caused by the fact that the molten materials overflow the welding position between the first workpiece and/or the second workpiece is avoided. The welding mechanical property is obviously improved, and the process of cutting off flash is omitted, so that the welding efficiency is definitely improved.

5. The novel friction welding equipment further comprises a first cutting mechanism used for cutting the welding end face of the first workpiece and/or a second cutting mechanism used for cutting the welding end face of the second workpiece, so that the flatness of the welding end face of the first workpiece and/or the second workpiece is ensured through the first cutting mechanism and/or the second cutting mechanism, and the purpose of improving the welding quality is achieved.

6. The first cutting mechanism and/or the second cutting mechanism further comprise a first end face detector and a second end face detector, whether the welding end face of the first workpiece and/or the second workpiece contains a gap or not can be detected through the first end face detector, and the angle between the welding end face of the first workpiece and/or the second workpiece and the vertical direction can be detected through the second end face detector, so that the welding quality is further improved.

7. The first cutting mechanism and/or the second cutting mechanism further comprises an angle detector, so that whether the relative angle between the first workpiece and/or the second workpiece is the optimal welding angle can be detected through the angle detector, and the welding quality is further improved.

8. Novel friction welding equipment still includes the waste discharge subassembly, can collect and discharge the scrap collecting box with the piece that first cutting mechanism and/or second cutting mechanism produced in, guarantee equipment normal operating, improve the work piece quality, reduce the pollution of waste material to equipment and work piece.

9. The novel friction welding equipment also comprises a safety protection mechanism, so that misoperation of operators or partial function failure of the equipment can be prevented, and personal safety accidents are avoided.

10. The production line containing the novel friction welding equipment can obviously improve the manufacturing efficiency and reduce the manufacturing rejection rate, thereby improving the manufacturing quality of welded parts and reducing the manufacturing cost.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to make the implementation of the technical means more feasible in accordance with the present specification, and in order to make the above and other objects, features, and advantages of the present invention more comprehensible, preferred embodiments are described below in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of the novel friction welding apparatus of the present invention;

FIG. 2 is a schematic structural view of the novel friction welding apparatus (excluding the safety shield apparatus) of the present invention;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is a schematic structural view of the second fixture of FIG. 1;

FIG. 5 is a schematic view of the rotary mechanism of FIG. 1;

FIG. 6 is a schematic structural view of the translation mechanism of FIG. 1;

FIG. 7 is a schematic structural view of the fixing assembly of FIG. 1;

FIG. 8 is a schematic structural view of a first cutting mechanism;

FIG. 9 is a schematic structural view of a second cutting mechanism;

FIG. 10 is a production line including the novel friction welding apparatus;

wherein the reference numerals in fig. 1-10 are:

1. a rack; 2. a main shaft; 3. a first drive unit; 4. a first clamp; 5. a mobile platform; 6. a second driving unit; 7. a second clamp; 8. a first workpiece; 9. a second workpiece; 10. a convex structure; 11. a groove; 12. a fixing assembly; 13. a first fixing frame; 14. a second fixing frame; 15. a support frame; 16. a feeding mechanism; 17. a blanking mechanism; 18. a truss; 19. a first back plate; 20. a first screw; 21. a first lift motor; 22. a first clamping cylinder; 23. a first jaw; 24. a second back plate; 25. a second screw; 26. a second lift motor; 27. a second clamping cylinder; 28. a second jaw; 29. a first detector; 30. a second detector; 31. a mechanical sensor; 32. a first cutting mechanism; 33. a first connecting frame; 34. a third lifting motor; 35. a first cutting saw; 36. a chip collector; 37. a vacuum cleaner; 38. a waste discharge channel; 39. a waste collection tank; 40. a security fence; 41. operating the safety door; 42. a safety grating; 43. a controller; 44. a second link frame; 45. a first translation motor; 46. a first cutter; 47. a third detector; 48. a wire cutting device; 49. a second element processing device; 50. a manipulator; 51. a second element crimping device; 52. novel friction welding equipment; 53. a receiving platform; 54. a second cutting mechanism.

Detailed Description

To further illustrate the technical solutions adopted by the present invention to achieve the intended purposes, the following detailed description of the embodiments, structures and features according to the present invention is provided in conjunction with the accompanying drawings and preferred embodiments:

as shown in fig. 1-3, the present invention discloses a novel friction welding device, which comprises a rack 1 and a controller 43, wherein the rack 1 is provided with a rotating mechanism and a translating mechanism, as shown in fig. 5, the rotating mechanism comprises a main shaft 2 connected with the rack 1, a first driving unit 3 connected with the rear end of the main shaft 2, and a first clamp 4 connected with the front end of the main shaft 2, and the first clamp 4 is used for clamping a first workpiece 8; as shown in fig. 6, the translation mechanism includes a moving platform 5 connected to the gantry 1, a second driving unit 6 connected to a rear end of the moving platform 5, and a second clamp 7 connected to a front end of the moving platform 5, the second clamp 7 is used for clamping a second workpiece 9, and the first driving unit 3 and the second driving unit 6 are electrically connected to the controller 43.

In this embodiment, the first driving unit 3 is a servo motor, and the second driving unit 6 is a servo motor or a hydraulic cylinder.

As shown in fig. 4, a convex structure 10 is disposed on a surface of the clamping position of the second clamp 7, and when the second clamp 7 clamps the second workpiece 9, the convex structure 10 increases an acting force between the second clamp 7 and the second workpiece 9, so as to prevent the second workpiece 9 from dropping, significantly improve the firmness of clamping the second workpiece 9, increase the stability of clamping the second workpiece 9, and significantly improve the welding quality.

During work, the first driving unit 3 drives the main shaft 2 to rotate, so that the first clamp 4 drives the first workpiece 8 to rotate; the second driving unit 6 pushes the moving platform 5 to move in a direction close to the first clamp 4; when the welding end faces of the first and

second workpieces

8, 9 are in contact, the welding end faces of the first and

second workpieces

8, 9 are heated due to the rotation of the first workpiece 8, while the second workpiece 9 is subjected to the force of the forward pushing of the second drive unit 6, so that the first and

second workpieces

8, 9 are friction-welded together.

In order to improve the stability of the rotating mechanism and the translating mechanism on the rack 1, the novel friction welding device in this embodiment may further include a fixing assembly 12, as shown in fig. 7, the fixing assembly 12 includes a first fixing frame 13, a second fixing frame 14 and a supporting frame 15, bottom ends of the first fixing frame 13 and the second fixing frame 14 are respectively connected to left and right sides of the rack 1, two ends of the supporting frame 15 are respectively connected to a top end of the first fixing frame 13 and a top end of the second fixing frame 14, during specific connection, the spindle 2 is connected to the first fixing frame 13, and the second driving unit 6 is connected to the second fixing frame 14.

In order to realize the automation of the feeding and discharging of the novel friction welding equipment, the novel friction welding equipment in this embodiment further includes a feeding mechanism 16 and a discharging mechanism 17 which are arranged on the rack 1, and the feeding mechanism 16 is used for transferring the first workpiece 8 and the second workpiece 9 to the first clamp 4 and the second clamp 7 respectively; the blanking mechanism 17 is configured to transfer a welded member formed by welding the first workpiece 8 and the second workpiece 9 out of the stage 1.

Specifically, as shown in fig. 3, the feeding mechanism 16 includes a truss 18 connected to the support frame 15, a first back plate 19 connected to the truss 18, a first screw 20 connected to the first back plate 19, a first lifting motor 21 connected to a bottom end of the first screw 20, a first clamping cylinder 22 connected to the first lifting motor 21, and a first clamping jaw 23 connected to the first clamping cylinder 22, a first threaded hole in threaded fit with an upper end of the first screw 20 is formed in the first back plate 19, and the first lifting motor 21 is connected to the controller 43; the blanking mechanism 17 comprises a second back plate 24 connected with the truss 18, a second screw rod 25 connected with the second back plate 24, a second lifting motor 26 connected with the bottom end of the second screw rod 25, a second clamping cylinder 27 connected with the second lifting motor 26, and a second clamping jaw 28 connected with the second clamping cylinder 27, a second threaded hole in threaded fit with the upper end of the second screw rod 25 is formed in the second back plate 24, and the second lifting motor 26 is connected with the controller 43.

As a further preferable scheme, as shown in fig. 1, the novel friction welding apparatus further comprises a first detector 29 electrically connected with the controller 43, the first detector 29 is arranged on the rack 1 and is used for detecting the relative position of the first workpiece 8 and/or the second workpiece 9, specifically, the first detector 29 is a distance sensor, and the distance between the first workpiece 8 and the second workpiece 9 can be detected through the first detector 29 so as to ensure better welding quality.

As a further preferable scheme, as shown in fig. 1, the novel friction welding apparatus further includes at least one second detector 30 electrically connected to the controller 43, the second detector 30 is disposed on the gantry 1 and configured to detect whether the gantry 1 is in a horizontal state, specifically, the second detector 30 is a horizontal sensor, since the second detectors 30 are respectively disposed on the gantries 1, it is possible to detect whether the gantry 1 is in a horizontal state by the second detector 30, so as to avoid an influence on welding due to inclination of the gantry 1. Moreover, the number of the second detectors 30 can be set according to actual requirements.

As a further preferable scheme, as shown in fig. 5, the novel friction welding apparatus further includes a third detector 47 electrically connected to the controller 43 and the first driving unit 3, and the third detector 47 is disposed on the first driving unit 3 and is configured to detect an angle at which the first driving unit 3 rotates. Specifically, the third detector 47 is a pulse signal sensor, and when the first driving unit 3 rotates for a certain angle, the third detector 47 sends a signal to the controller 43, so that the controller 43 detects the welding angle of the first element 8 and the second element 9 in the opposite direction.

As a further preferable scheme, as shown in fig. 1, in order to accurately detect the magnitude of the driving force of the second driving unit 6 on the moving platform 5, the novel friction welding apparatus further includes a mechanical sensor 31 connected to the controller 43, wherein the mechanical sensor 31 is disposed on the second driving unit 6 and is used for detecting the magnitude of the driving force of the second driving unit 6 on the moving platform 5, because if the driving force of the second driving unit 6 on the moving platform 5 is too large, the first workpiece 8 and the second workpiece 9 may be deformed and discarded due to too large interaction force; if the driving force of the second driving unit 6 to the moving platform 5 is too small, the friction heat of the first workpiece 8 and the second workpiece 9 is insufficient, and the welding performance is not satisfactory. The magnitude of the driving force of the second driving unit 6 on the moving platform 5 can be monitored in real time through the mechanical sensor 31, so that the controller 43 can conveniently ensure that the magnitude of the driving force of the second driving unit 6 on the moving platform 5 can be adjusted according to the monitoring condition, the magnitude of a better acting force on the second workpiece 9 in the friction welding process is ensured, and the friction welding equipment is further ensured to have better welding quality.

As shown in fig. 4, in order to ensure that the melted material of the welding end surface of the first workpiece 8 and the second workpiece 9 during friction welding is prevented from overflowing the joint between the first workpiece 8 and the second workpiece 9 to form flash, a groove 11 is provided at the front end of the clamping position of the second jig 7, and the groove 11 is used for accommodating the melted material of the welding end surface of the first workpiece 8 and the second workpiece 9 during friction welding, so that the melted material is prevented from overflowing the joint between the first workpiece 8 and the second workpiece 9 to form flash.

As a further preferable scheme, as shown in fig. 3, in order to ensure that the welding end face of the first workpiece 8 is smooth, the novel friction welding device further comprises a cutting assembly arranged on the rack 1, wherein the cutting assembly comprises a first cutting mechanism 32 used for cutting the welding end face of the first workpiece 8 so as to ensure the smoothness of the welding end face of the first workpiece 8, and further ensure that the heat generated by the friction of the welding end faces of the first workpiece 8 and the second workpiece 9 is uniformly distributed.

As a further preferable scheme, in order to ensure that the welding end face of the second workpiece 9 is flat, as shown in fig. 3, the cutting assembly further comprises a second cutting mechanism 54 arranged on the table frame 1, wherein the second cutting mechanism 54 is used for cutting the welding end face of the second workpiece 9, so that the welding end face of the second workpiece 9 is cut by the second cutting mechanism 54, the flatness of the welding end face of the second workpiece 9 is ensured, and the heat generated by the friction of the welding end faces of the first workpiece 8 and the second workpiece 9 is uniformly distributed.

Specifically, as shown in fig. 8, the first cutting mechanism 32 includes a second connecting frame 44 connected to the stage 1, a first translation motor 45 connected to the second connecting frame 44, and a first cutting blade 46 connected to a movable end of the first translation motor 45; when the first workpiece starts to rotate before welding, the first translation motor 45 drives the first cutting knife 46 to move, so as to cut the welding surface of the first element.

As shown in fig. 9, the second cutting mechanism 54 includes a first link frame 33 connected to the girder 18, a third elevating motor 34 connected to the first link frame 33, and a first cutting saw 35 connected to a movable end of the third elevating motor 34; when the second workpiece is clamped in the second clamp, the third lifting motor 34 drives the first cutting saw 35 to move up and down, and the first cutting saw 35 rotates to cut the welding surface of the second workpiece.

In this embodiment, the first translation motor 45 and the third lifting motor 34 are both connected to the controller 43.

As a further preferable scheme, as shown in fig. 3, in order to timely discharge the waste generated when the first cutting mechanism 32 and/or the second cutting mechanism 54 cut the welding end faces of the first workpiece 8 and the second workpiece 9, the novel friction welding equipment further comprises a waste discharge assembly, wherein the waste discharge assembly comprises a scrap collector 36 arranged on the rack 1, a waste discharge channel 38 communicated with the outlet end of the scrap collector 36, a dust collector 37 communicated with the outlet end of the waste discharge channel 38, and a waste collection box 39 communicated with the outlet end of the dust collector 37; the inlet end of the scrap collector 36 is disposed directly below the cutting assembly, the vacuum cleaner 37 is connected to the controller 43, and in operation, the controller 43 controls the vacuum cleaner 37 to operate, so that the scrap generated when the first and

second workpieces

8 and 9 are cut is sucked into the scrap collector 36 and discharged into the scrap collecting box 39 through the scrap discharge passage 38. In particular, the inlet end of the chip collector 36 is disposed directly below the first cutting mechanism 32 and/or the second cutting mechanism 54.

In order to detect whether a gap exists on the welding end surface of the first workpiece 8 and/or the second workpiece 9 after the cutting process of the first cutting mechanism 32 and the second cutting mechanism 54, the first cutting mechanism 32 and/or the second cutting mechanism 54 further includes a first end surface detector connected to the controller 43, the first end surface detector is used for detecting the gap on the welding end surface of the first workpiece 8 and/or the second workpiece 9, because if a gap exists on the welding end surface of the first workpiece 8 and/or the first workpiece 9, the welding position of the welded part formed by welding the first workpiece 8 and the second workpiece 9 will have a void, which affects the welding quality, and particularly, the first end surface detector is arranged on the first connecting frame 33 or the second connecting frame 44, and the first end face detector is an image identifier with higher resolution, which can detect whether or not there is a void after the welding end face of the first workpiece 8 and/or the second workpiece 9 is subjected to the cutting process by the first cutting mechanism 32 and/or the second cutting mechanism 54.

In order to be able to detect the angle of the welding end face of the first workpiece 8 and/or the second workpiece 9 from the vertical direction after the cutting process by the first cutting mechanism 32 and/or the second cutting mechanism 54, the first cutting mechanism 32 and/or the second cutting mechanism 54 further comprises a second end face detector connected to the controller 43 for detecting the angle of the welding end face of the first workpiece 8 and/or the second workpiece 9 from the vertical direction, with the purpose of ensuring that the welding end face of the first workpiece 8 and the second workpiece 9 is at an optimum angle because only part of the welding end face of the first workpiece 8 and the second workpiece 9 is undergoing frictional heat generation if the welding end face of the first workpiece 8 and/or the second workpiece 9 is not at an optimum angle, the friction heat of the welding end faces of the first workpiece 8 and the second workpiece 9 is not uniform, the applied friction force is not in the axial direction, the welding energy is not uniform in the final result, the stress of the welding face is concentrated, the mechanical property and the electrical property of the first workpiece 8 and the second workpiece 9 after welding cannot be guaranteed, and in addition, when the first workpiece 8 and the second workpiece 9 rub at a high speed, the first workpiece 8 and the second workpiece 9 deform under the stress, the welding cannot be carried out finally, and the first workpiece 8 and the second workpiece 9 are scrapped.

In a specific configuration, the second end face detector is disposed on the first connecting frame 33 or the second connecting frame 44, and the second end face detector is an image identifier with a higher resolution, and can detect an angle between the welding end face of the first workpiece 8 and/or the welding end face of the second workpiece 9 and the vertical direction after the cutting process by the first cutting mechanism 32 and/or the second cutting mechanism 54.

In order to detect the relative angle of the welding end faces of the first workpiece 8 and/or the second workpiece 9 during welding, the first cutting mechanism 32 and/or the second cutting mechanism 54 further includes an angle detector connected to the controller 43, the angle detector is used for detecting the relative angle of the welding end faces of the first workpiece 8 and the second workpiece 9, and when the angle detector is specifically arranged on the first connecting frame 33 or the second connecting frame 44, the relative angle of the welding end faces of the first workpiece 8 and the second workpiece 9 during welding can be detected by the angle detector, so as to ensure that the relative angle of the welding end faces of the first workpiece 8 and the second workpiece 9 during welding is less than 35 degrees, because when the relative angle of the welding end faces of the first workpiece 8 and the second workpiece 9 is greater than 35 degrees, when the first workpiece 8 and the second workpiece 9 start to contact and rub against each other, only part of the end faces of the welding ends of the first workpiece 8 and the second workpiece 9 are subjected to frictional heat generation, so that the frictional heat of the welding ends of the first workpiece 8 and the second workpiece 9 is not uniform, the applied frictional force is not in the axial direction, the welding energy is not uniform, the stress of the welding surfaces is concentrated, the mechanical property and the electrical property of the welded first workpiece 8 and the welded second workpiece 9 cannot be ensured, and when the first workpiece 8 and the second workpiece 9 rub against each other at a high speed, the first workpiece 8 and the second workpiece 9 are stressed and deformed, and the welding cannot be performed finally, so that the first workpiece 8 and the second workpiece 9 are scrapped.

As a further preferable scheme, in order to avoid the operation of the novel friction welding device by non-operators, as shown in fig. 1, the novel friction welding device further includes a safety protection mechanism, the safety protection mechanism includes a safety fence 40 disposed around the rack 1, and an operation safety door 41 and a safety grating 42 disposed on the safety fence 40, and the safety grating 42 is connected to the controller 43 through a cable.

During specific work, operating personnel is through opening operation emergency exit 41 is with right novel friction welding equipment inspects or maintains, works as operation emergency exit 41 closes completely, novel friction welding equipment could just begin to carry out equipment actions such as material loading, welding, unloading. If the operational safety door 41 is not completely closed, the novel friction welding apparatus does not perform any action.

The safety grating 42 works through two sets of oppositely-emitting photoelectric sensors, when an obstacle blocks an optical signal between the two sets of photoelectric sensors, the safety grating 42 can send an alarm signal and transmit the alarm signal to the controller 43 through a cable, and then the controller 43 stops the action of the novel friction welding equipment. Avoid when operation emergency exit 41 became invalid, operating personnel entered into through opening operation emergency exit 41 novel friction welding equipment action region leads to the condition such as personnel's injury, has improved operating personnel's security.

The inventor compares the production by the existing standard friction welding equipment and the novel friction welding equipment of the invention to obtain the following results:

1. ordinary friction welding equipment, including last unloading operating personnel, 3 people are required in total to operate. The novel friction welding equipment only needs one person for monitoring, other additional work can be added, and the personnel cost is reduced by at least 66.7%.

2. The inventor uses two friction welding devices to produce a certain amount of same products, and calculates the qualification rate of the two batches of products, the qualification rate of the products reaches 97 percent by using the standard friction welding device, and the qualification rate of the products reaches 99.8 percent by using the novel friction welding device, thereby greatly improving the product quality.

The invention also provides a production line which comprises the novel friction welding equipment.

Specifically, as shown in fig. 10, the production line includes a line cutting device 48, a second workpiece processing device 49, a manipulator 50, a second workpiece crimping device 51, a novel friction welding device 52, and a material receiving table 53, wherein: the wire cutting device 49 is used for stripping the insulation skin at the front end of the lead and cutting the lead with the insulation skin stripped at the front end; the second workpiece processing device 40 is used for processing the blank into a semi-finished product of the second workpiece 9; the robot 41 assembles the semi-finished product of the second workpiece 9 and the wire together; the second workpiece crimping apparatus 51 is for crimping the semi-finished product of the second workpiece 9 and the wire together to form the second workpiece 9, and the novel friction welding apparatus 52 is for welding the first workpiece 8 and the second workpiece together to form a weld; the material receiving table 53 is used for collecting the welded parts.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a novel friction welding equipment which characterized in that: the device comprises a rack and a controller, wherein a rotating mechanism and a translation mechanism are arranged on the rack, the rotating mechanism comprises a main shaft connected with the rack, a first driving unit connected with the rear end of the main shaft and a first clamp connected with the front end of the main shaft, and the first clamp is used for clamping a first workpiece; the translation mechanism comprises a moving platform in sliding connection with the rack, a second driving unit connected with the rear end of the moving platform, and a second clamp connected with the front end of the moving platform, the second clamp is used for clamping a second workpiece, and a convex structure is arranged on the surface of a clamping position of the second clamp; the first drive unit and the second drive unit are both electrically connected with the controller.

2. The novel friction welding apparatus of claim 1, characterized in that: the novel friction welding equipment further comprises a feeding mechanism and a discharging mechanism which are arranged on the rack, wherein the feeding mechanism is used for respectively transferring the first workpiece and the second workpiece to the first clamp and the second clamp; the blanking mechanism is used for conveying a welding part formed by welding the first workpiece and the second workpiece out of the rack.

3. The novel friction welding apparatus of claim 1, characterized in that: the novel friction welding equipment further comprises a first detector electrically connected with the controller, wherein the first detector is arranged on the rack and is used for detecting the relative position of the first workpiece and/or the second workpiece.

4. The novel friction welding apparatus of claim 1, characterized in that: the novel friction welding equipment further comprises at least one second detector electrically connected with the controller, and the second detector is arranged on the rack and used for detecting whether the rack is in a horizontal state or not.

5. The novel friction welding apparatus of claim 1, characterized in that: the novel friction welding equipment further comprises a third detector electrically connected with the first driving unit and the controller, and the third detector is arranged on the first driving unit and used for detecting the angle of the first driving unit during rotation.

6. The novel friction welding apparatus of claim 1, characterized in that: the novel friction welding equipment further comprises a mechanical sensor connected with the controller, and the mechanical sensor is arranged on the second driving unit and used for detecting the driving force of the second driving unit to the moving platform.

7. The novel friction welding apparatus of claim 1, characterized in that: and a groove is arranged at the front end of the clamping position of the second clamp.

8. The novel friction welding apparatus of claim 1, characterized in that: the novel friction welding equipment further comprises a cutting assembly arranged on the rack, and the cutting mechanism is used for cutting the welding end face of the first workpiece.

9. The novel friction welding apparatus of claim 8, wherein: the cutting assembly further comprises a second cutting mechanism arranged on the rack, and the second cutting mechanism is used for cutting the welding end face of the second workpiece.

10. The novel friction welding apparatus of claim 8, wherein: the novel friction welding equipment further comprises a waste discharging assembly, wherein the waste discharging assembly comprises a scrap collector arranged on the rack, a waste discharging channel communicated with the outlet end of the scrap collector, a dust collector communicated with the outlet end of the waste discharging channel, and a waste collecting box communicated with the outlet end of the dust collector; the inlet end of the chip collector is arranged right below the cutting assembly, and the dust collector is connected with the controller.

11. The novel friction welding apparatus of claim 9, wherein: the first cutting mechanism and/or the second cutting mechanism further comprise a first end face detector connected with the controller, and the first end face detector is used for detecting the pores of the welding end face of the first workpiece and/or the second workpiece.

12. The novel friction welding apparatus of claim 9, wherein: the first cutting mechanism and/or the second cutting mechanism further comprise a second end face detector connected with the controller, and the second end face detector is used for detecting the angle between the welding end face of the first workpiece and/or the second workpiece and the vertical direction.

13. The novel friction welding apparatus of claim 9, wherein: the first cutting mechanism and/or the second cutting mechanism further comprise an angle detector connected with the controller, and the angle detector is used for detecting the relative angle of the welding end face of the first workpiece and/or the second workpiece.

14. A novel friction welding apparatus as set forth in any one of claims 1-13 wherein: novel friction welding equipment still includes safety protection mechanism, safety protection mechanism is including setting up rack safety fence all around is in with the setting operation emergency exit and the safety grating on the safety fence.

15. A production line, characterized in that: a novel friction welding apparatus comprising any one of claims 1 to 14.