CN216607714U

CN216607714U - Welding equipment

Info

Publication number: CN216607714U
Application number: CN202122638969.XU
Authority: CN
Inventors: 胡勇; 张鹏飞
Original assignee: Suzhou Xiaochi Robot Co ltd
Current assignee: Suzhou Xiaochi Robot Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-27
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a welding device, comprising: the device comprises a frame, a welding station and a blanking station, wherein distance measuring stations, welding stations and blanking stations are distributed at intervals; the distance measuring mechanism is arranged on the distance measuring station and comprises at least three distance measuring instruments and a positioning mechanism, the displacement assembly is arranged on the frame, the distance measuring instruments are arranged on the displacement assembly and are distributed at intervals along the circumferential direction of the distance measuring station, and the distance measuring instruments are used for detecting the height of a product on the distance measuring station; and the welding mechanism is arranged on the welding station, is electrically connected with the distance measuring mechanism and is used for welding a product positioned on the welding station. The technical scheme of the utility model can detect the preassembly result of the product in advance and only weld the preassembly product in place, thereby ensuring the welding quality of the product.

Description

Welding equipment

Technical Field

The utility model relates to the technical field of welding equipment, in particular to welding equipment.

Background

At present, aiming at a product with multiple welding spots, two parts of the product are usually preassembled together manually, whether the two parts are preassembled or not is observed by naked eyes, if a place where the two parts are not preassembled is formed, a worker can manually adjust the two parts to be in place, then the preassembled product is placed in automatic welding equipment, and welding operation is carried out through the automatic welding equipment. In the process, if a worker neglects to detect or misjudges the preassembly state of the product due to careless work, that is, the product which is not preassembled in place is directly placed on automatic welding equipment, the automatic welding operation is abnormal, and the welding quality of the product does not reach the standard.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide welding equipment, which aims to detect the preassembly result of a product in advance and only weld the preassembly product in place, so that the welding quality of the product is ensured.

To achieve the above object, the present invention provides a welding apparatus comprising:

the device comprises a frame, a distance measuring station and a welding station, wherein the distance measuring station and the welding station are distributed at intervals;

the distance measuring mechanism is arranged on the distance measuring station and comprises at least three distance measuring instruments and a positioning mechanism, the displacement assembly is arranged on the frame, the distance measuring instruments are arranged on the displacement assembly and are distributed at intervals along the circumferential direction of the distance measuring station, and the distance measuring instruments are used for detecting the distance between a product on the distance measuring station and the distance measuring instruments; and

and the welding mechanism is arranged on the welding station, is electrically connected with the distance measuring mechanism and is used for welding a product positioned on the welding station.

Optionally, the distance measuring mechanism further comprises a mounting base detachably connected to the displacement assembly, and at least three distance measuring instruments are arranged on the mounting base.

Optionally, the mounting seat is arranged in a housing and has a first opening and a second opening which are opposite to each other, the displacement assembly includes a plug connector, and the plug connector can be movably inserted into the first opening;

the lateral wall of mount pad run through have with first opening with the second open-ended groove of stepping down, it all extends outwards to step down two cell walls that are relative setting in groove has the installation section, two the installation section can the mount pad produces deformation down and looks butt, be equipped with the through-hole that is used for supplying the fastener installation on the installation section.

Optionally, the welding equipment is still including locating rotary mechanism on the welding station, rotary mechanism include the driving piece, and rotate connect in the carousel of driving piece, the carousel can drive the product relatively welding mechanism is rotatory.

Optionally, the welding equipment further comprises a conveying mechanism mounted on the frame, the conveying mechanism is arranged across the distance measuring station and the welding station, and the conveying mechanism can convey the product from the distance measuring station to the welding station.

Optionally, the conveying mechanism includes a conveying assembly arranged on the rack and a jig assembly capable of moving on the conveying assembly along a first direction, the jig assembly includes a tray connected to the conveying assembly and a jig rotatably connected to the tray, the jig is provided with a first positioning portion corresponding to the turntable, and the turntable is provided with a second positioning portion corresponding to the first positioning portion; when the jig assembly moves to the welding station, the first positioning portion can be in limited connection with the second positioning portion.

Optionally, the first positioning portion is a positioning rib protruding from the jig, the second positioning portion is a sliding groove penetrating through the side surface of the turntable, and the positioning rib can slide into or out of the sliding groove along the first direction.

Optionally, the cross-sectional area of the chute increases in a direction away from the bottom of the chute.

Optionally, the jig comprises a jig body and a positioning piece detachably connected to the jig body, and the positioning rib is located on one side of the positioning piece, which faces the turntable.

Optionally, the transmission assembly comprises a first belt assembly and a second belt assembly respectively arranged at the distance measuring station and the welding station.

Optionally, the rack is further provided with a detection station, and the welding apparatus further includes an Automatic Optical Inspection (AOI) detection mechanism provided at the detection station.

Optionally, the range finder is a laser range finder or an ultrasonic range finder or an infrared range finder.

According to the technical scheme, after preassembly, products pass through the distance measuring station and then pass through the welding station, if the preassembly result of the products is judged to be qualified (preassembly is in place), the welding mechanism can carry out normal welding operation on the products, and if the preassembly result of the products is judged to be unqualified (preassembly is not in place), the welding mechanism cannot carry out welding operation on the products. Only the product preassembled in place can be subjected to welding operation through the distance measuring mechanism, so that the accuracy of automatic welding operation is ensured, and the welding quality of the product meets the technical requirements. Specifically, the distance meter can measure the distance value from the distance meter to the upper surface of the preassembled product, the distance value is compared with a preset allowable value and analyzed, if the actually measured distance value falls within the range of the preset allowable value, the product is preassembled in place, the preassembled result of the product is judged to be qualified, and normal welding operation can be carried out; if the actually measured distance value is out of the range of the preset allowable value, the product is not preassembled, the product preassembly result is judged to be unqualified, and the welding mechanism does not perform welding operation on the product.

Drawings

In order to more clearly illustrate the embodiments of the present 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of a welding apparatus of the present invention;

FIG. 2 is a schematic structural view of the distance measuring device and the mounting base of FIG. 1;

FIG. 3 is a bottom view of the rangefinder and mount of FIG. 2;

fig. 4 is a schematic structural view of the rotating mechanism and the jig assembly in fig. 1;

FIG. 5 is a top view of the rotating mechanism and fixture assembly of FIG. 4;

FIG. 6 is a cross-sectional view of the rotating mechanism and jig assembly of FIG. 5 at A-A;

FIG. 7 is another schematic view of the jig assembly shown in FIG. 6;

fig. 8 is another schematic structural diagram of the rotating mechanism in fig. 6.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In view of this, the present invention proposes a welding apparatus, which, with reference to fig. 1, in an embodiment of the utility model comprises:

the device comprises a frame 10, wherein distance measuring stations 11 and welding stations 12 are distributed at intervals;

the distance measuring mechanism 20 is arranged on the distance measuring station 11, the distance measuring mechanism 20 comprises a shifting assembly 21 arranged on the frame 10 and at least three distance measuring instruments 22 arranged on the shifting assembly 21, the at least three distance measuring instruments 22 are distributed at intervals along the circumferential direction of the distance measuring station 11, and the distance measuring instruments 22 are used for detecting the distance between a product positioned on the distance measuring station 11 and the distance measuring instruments 22; and

and the welding mechanism 30 is arranged on the welding station 12, and the welding mechanism 30 is electrically connected with the distance measuring mechanism 20 and is used for welding a product on the welding station 12.

According to the technical scheme, after preassembly, products pass through the distance measuring station 11 and then pass through the welding station 12, if the preassembly result of the products is judged to be qualified (preassembly is in place) by the distance measuring mechanism 20, the welding mechanism 30 can carry out normal welding operation on the products, and if the preassembly result of the products is judged to be unqualified (preassembly is not in place) by the distance measuring mechanism 20, the welding mechanism 30 cannot carry out welding operation on the products. Only the products preassembled in place can be subjected to welding operation through the distance measuring mechanism 20, so that the accuracy of automatic welding operation is ensured, and the welding quality of the products meets the technical requirements. Specifically, the distance meter 22 can measure a distance value from the distance meter 22 to the upper surface of the preassembled product, and compare the distance value with a preset allowable value for analysis, if the actually measured distance value falls within the range of the preset allowable value, it indicates that the product is preassembled in place, and it is determined that the product preassembly result is qualified, and normal welding operation can be performed; if the actual measurement distance value falls outside the range of the preset allowable value, it indicates that the product is not preassembled, and it is determined that the product pre-assembly result is not qualified, and the welding mechanism 30 does not perform welding operation on the product. Secondly, at least three distance measuring instruments 22 distributed at intervals along the circumferential direction of the distance measuring station 11 are utilized to measure the distance values of multiple points on the upper surface of the product, and the distance measuring results of the multiple points are integrated to judge the product preassembly result, so that the problem of erroneous judgment caused by measuring only one point is avoided, and the accuracy of the distance measuring result is improved. Therefore, for a product with a plurality of welding spots distributed at intervals, the welding quality of each welding spot can meet the technical requirements. For example, the circuit board of the product is pre-installed on the housing, and a plurality of welding points are distributed on the periphery of the circuit board and need to be welded, and the problem that the welding points in the area are in the states of insufficient soldering, desoldering and the like due to local warping or floating height of the circuit board can be avoided by using the plurality of distance meters 22.

In this embodiment, the distance meter 22 is optionally a laser distance meter 22, an ultrasonic distance meter 22 or an infrared distance meter 22.

Referring to fig. 1 and 2, in the present embodiment, further, the distance measuring mechanism 20 further includes a mounting base 230 detachably connected to the displacement assembly 21, and at least three distance measuring devices 22 are disposed on the mounting base 230. When the distance measuring instrument 22 breaks down and needs to be maintained, the detachable mounting seat 230 can reduce the negative influence on the normal operation of the production line, so that the production efficiency of the production line is improved. Specifically, the user can configure the spare distance measuring mechanism 20, detach the failed distance measuring mechanism 20, and install the spare distance measuring mechanism 20 on the welding equipment in time, so that the production line can be quickly restored to the normal production state.

In this embodiment, the distance meter 22 is optionally fastened to the mounting base 230 by screw locking. In this way, the user can choose to configure only the spare rangefinder 22 and purposefully replace the fault rangefinder 22, so that the production line can be quickly restored to the normal production state. However, the design is not limited thereto, and in other embodiments, the distance measuring device may be fastened to the mounting base through a snap structure or a rivet structure.

Referring to fig. 2 and 3, in the present embodiment, optionally, the mounting seat 230 is provided as a housing and has a first opening 231 and a second opening 232 which are opposite to each other, and the displacement assembly 21 includes a plug-in unit which can be movably inserted into the first opening 231; the lateral wall of mount pad 230 runs through have with first opening 231 and second opening 232 the groove 233 that steps down, and the two cell walls that are relative setting of the groove 233 all extend outwards and have the installation section 234, and two installation sections 234 can produce under the deformation and looks butt at mount pad 230, are equipped with the through-hole 235 that is used for supplying the fastener installation on the installation section 234. Specifically, before mount pad 230 produces deformation, the plug connector can insert first opening 231 more easily, when the plug connector insert establish the back in place, utilize the in-process mount pad 230 of the fixed two installation sections 234 of fastener to produce deformation to make two installation sections 234 looks butt, and make the equivalent internal diameter of first opening 231 reduce, and then press from both sides tight plug connector in order to accomplish fixed with the installation of plug connector. Thus, the installation or the disassembly of the installation seat 230 and the plug connector can be facilitated, and the use convenience of the welding equipment is improved. In addition, the mounting seat 230 is configured as a housing structure, which can effectively save the manufacturing cost and reduce the weight, thereby being beneficial to reducing the manufacturing cost and the weight of the welding equipment. It should be noted that the fastener can be at least one of a bolt and nut pair or an expansion buckle or a closed latch. However, the design is not limited thereto, and in other embodiments, the first displacement assembly may include a mounting rod having an external threaded portion, the mounting seat having an internal threaded hole corresponding to the external threaded portion, and the external threaded portion being threadedly connected to the internal threaded hole.

Referring to fig. 3, in the present embodiment, the cross section of the mounting seat 230 is optionally arranged in a hexagon, and the three distance meters 22 are respectively located on the first side, the third side and the fifth side of the hexagon. The mount pad 230 of hexagon structure not only structural strength is good, can also provide six at least installation positions for distancer 22, supplies the user to select suitable installation position assembly distancer 22 according to different product demands to when improving distancer structure 20 and using the flexibility, can also improve the accuracy of product range finding result.

Referring to fig. 1, in this embodiment, the shift module 21 may optionally include an X-axis shift module 21 mounted on the frame 10, a Y-axis shift module 21 disposed on the X-axis shift module 21, and a Z-axis shift module 21 disposed on the Y-axis shift module 21, and the plug is disposed on the Z-axis shift module 21. In this way, the distance meter 22 is able to adjust the spatial position under the actuation of the displacement assembly 21, so that it is better able to adapt to different models of products. For example, for a product having a large height dimension, the Z-axis position (height position) of the distance meter 22 can be adjusted by the shift assembly 21.

Referring to fig. 1, in this embodiment, optionally, the welding apparatus further includes a rotating mechanism 40 disposed on the welding station 12, where the rotating mechanism 40 includes a driving member (not shown), and a turntable 41 rotatably connected to the driving member, and the turntable 41 can drive the product to rotate relative to the welding mechanism 30. Aiming at the condition that a plurality of welding spots on the same product are distributed at intervals along the circumferential direction of the product, the turntable 41 is utilized to drive the product to rotate relative to the welding mechanism 30, and the welding mechanism 30 is not moved, so that the plurality of welding spots of the product can be accurately welded. Since the welding mechanism 30 does not need to be displaced, the requirement on the movement accuracy of the welding mechanism 30 is low, which is beneficial to reducing the manufacturing cost of the welding mechanism 30. Meanwhile, compared with the situation that the displacement between different welding spots on the product is decomposed into the sequential displacement of the perpendicular X axis and the perpendicular Y axis, the length of the displacement path between the different welding spots can be shortened by driving the product to rotate by the turntable 41, and therefore the efficiency of welding operation can be improved.

In this embodiment, in order to improve the position accuracy of starting and stopping the turntable 41, and further improve the welding quality, the driving member is optionally a servo motor. However, the present invention is not limited thereto, and in other embodiments, the driving member may be a stepping motor or a pneumatic motor.

Referring to fig. 1, in this embodiment, further, the welding apparatus further includes a transmission mechanism 50 installed on the frame 10, the transmission mechanism 50 spans the distance measuring station 11 and the welding station 12, and the transmission mechanism 50 can transmit the product from the distance measuring station 11 to the welding station 12. Utilize transmission device 50 to make the product need not go up unloading repeatedly between range finding station 11 and welding station 12, not only can improve production efficiency, can also guarantee the uniformity of product location benchmark on range finding station 11 and welding station 12 to improve welding quality.

Referring to fig. 1, 4 to 6, in this embodiment, optionally, the conveying mechanism 50 includes a conveying assembly 51 disposed on the frame 10, and a jig assembly 520 capable of moving on the conveying assembly 51 along a first direction, the jig assembly 520 includes a tray 521 connected to the conveying assembly 51, and a jig 522 rotatably connected to the tray 521, the jig 522 is provided with a first positioning portion corresponding to the turntable 41, and the turntable 41 is provided with a second positioning portion corresponding to the first positioning portion; when the jig assembly 520 moves to the welding station 12, the first positioning portion can be connected to the second positioning portion in a limited manner, and the jig 522 rotates along with the turntable 41. So, can make the product directly follow carousel 41 at former high position and rotate together to accept welding operation, thereby reduce dimensional tolerance's accumulation and lead to solder joint position accuracy to appear showing the deviation, lead to the not good problem of welding quality, and then improve welding quality.

Referring to fig. 6 to 8, in order to simplify the structures of the jig 522 and the turntable 41 and further reduce the manufacturing cost of the welding equipment, in this embodiment, optionally, the first positioning portion is a positioning rib 525 protruding from the jig 522, the second positioning portion is a sliding groove 42 penetrating through a side surface of the turntable 41, and the positioning rib 525 can slide into or out of the sliding groove 42 along the first direction. It should be noted that, when the turntable 41 is at the initial angle position and rotates to 180 °, the extending direction of the sliding slot 42 is parallel and approximately parallel to the first direction, and when the turntable 41 rotates to other angle positions, the extending direction of the sliding slot 42 is intersected with the first direction; when the jig 522 moves on the transmission assembly 51, the extending direction of the positioning rib 525 thereon is parallel or nearly parallel to the first direction, so that the positioning rib 525 can slide into or out of the sliding groove 42 along the first direction. Therefore, the jig 522 and the turntable 41 can be quickly and accurately connected in a limiting mode and released in a limiting mode, production efficiency is improved, the structures of the jig 522 and the turntable 41 can be simplified, and manufacturing cost of welding equipment is reduced. However, the design is not limited thereto, in other embodiments, the first positioning portion may be an elastic buckle protruding toward the turntable, the elastic buckle has a limiting arm extending along the first direction, the second positioning portion is a sinking groove located on the upper surface of the turntable, and when the elastic buckle is clamped in the sinking groove, the limiting arm abuts against a side wall surface of the sinking groove.

Referring to fig. 8, in the present embodiment, alternatively, the cross-sectional area of the chute 42 is arranged to increase gradually in a direction away from the bottom of the chute. Thus, the positioning rib 525 can slide into or out of the sliding groove 42 more easily, so as to improve the smoothness of the limit connection and the limit release between the jig 522 and the turntable 41.

Referring to fig. 6 and 7, in the present embodiment, the jig 522 further includes a jig body 523 and a positioning element 524 detachably connected to the jig body 523, and the positioning rib 525 is located on a side of the positioning element 524 facing the turntable 41. The positioning piece 524 which is detachably connected is utilized, so that a user can conveniently replace the jig body 523 to adapt to different products, and the adaptability and the use flexibility of the welding equipment are improved.

Referring to fig. 6 and 7, in order to improve the smoothness of the relative rotation between the jig 522 and the tray 521, in the present embodiment, the tray 521 is further provided with a rotation hole, and a bearing 526 is interposed between the jig body 523 and the rotation hole.

In the present embodiment, the transmission assembly 51 optionally includes a first belt assembly and a second belt assembly respectively disposed at the distance measuring station 11 and the welding station 12. So, can shorten the span of these two belt subassemblies of first belt subassembly and second belt subassembly and establish length, not only can reduce the load of each belt subassembly to be favorable to improving belt subassembly's life, the belt elasticity that can also be convenient for adjust each belt subassembly. Meanwhile, the belt component with faults can be maintained or replaced, so that the later maintenance cost of the equipment can be reduced. However, the present design is not limited thereto, and in other embodiments, the transmission assembly may also be a ball screw mechanism mounted on the frame, and the tray is drivingly connected to the ball screw mechanism.

Referring to fig. 1, in this embodiment, optionally, the rack 10 is further provided with a detection station 13 and a blanking station 14, the transmission mechanism 50 is further disposed across the detection station 13 and the blanking station 14, the welding apparatus further includes an AOI detection mechanism 60 disposed at the detection station 13, and the AOI detection mechanism 60 is electrically connected to the distance measuring mechanism 20. Utilize AOI detection mechanism 60, can detect out the product of bad welding to guarantee that the defective products can not flow out, and then guarantee the delivery quality of product. In addition, when the preassembly result of the ranging mechanism 20 on the product is judged to be unqualified, the product is directly conveyed to the blanking station 14 by the conveying mechanism 50 without staying on the welding station 12 and the detection station 13, so that the time for retaining the unqualified preassembly product on a production line is shortened, and the production efficiency is improved.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A welding apparatus, comprising:

the device comprises a frame, a welding station and a blanking station, wherein distance measuring stations, welding stations and blanking stations are distributed at intervals;

2. The welding apparatus of claim 1, wherein the rangefinder mechanism further comprises a mount removably coupled to the displacement assembly, at least three of the rangefinders being disposed on the mount.

3. The welding apparatus of claim 2, wherein the mounting block is a housing having opposing first and second openings, and wherein the displacement assembly includes a socket connector removably insertable into the first opening;

4. The welding apparatus of claim 1, further comprising a rotation mechanism disposed at the welding station, the rotation mechanism including a driving member and a turntable rotatably coupled to the driving member, the turntable being capable of rotating the product relative to the welding mechanism.

5. The welding apparatus of claim 4, further comprising a transport mechanism mounted to the frame, the transport mechanism spanning the ranging station and the welding station, the transport mechanism capable of transporting a product from the ranging station to the welding station.

6. The welding device according to claim 5, wherein the conveying mechanism comprises a conveying assembly arranged on the rack and a jig assembly capable of moving on the conveying assembly along a first direction, the jig assembly comprises a tray connected to the conveying assembly and a jig rotatably connected to the tray, the jig is provided with a first positioning portion corresponding to the turntable, and the turntable is provided with a second positioning portion corresponding to the first positioning portion; when the jig assembly moves to the welding station, the first positioning portion can be in limited connection with the second positioning portion.

7. The welding apparatus according to claim 6, wherein the first positioning portion is a positioning rib protruding from the jig, the second positioning portion is a sliding groove penetrating through a side surface of the turntable, and the positioning rib can slide into or out of the sliding groove in the first direction.

8. The welding apparatus of claim 7, wherein the cross-sectional area of the chute increases in a direction away from the bottom of the chute; and/or

The jig comprises a jig body and a positioning piece detachably connected to the jig body, and the positioning rib is located on one side, facing the turntable, of the positioning piece.

9. The welding apparatus of claim 6, wherein the transport assembly comprises a first belt assembly and a second belt assembly disposed at the ranging station and the welding station, respectively.

10. The welding apparatus of claim 1, wherein the frame further defines a detection station, the welding apparatus further comprising an AOI detection mechanism disposed at the detection station; and/or

The range finder is a laser range finder, an ultrasonic range finder or an infrared range finder.