CN112975039A

CN112975039A - Soldering device

Info

Publication number: CN112975039A
Application number: CN202110241009.1A
Authority: CN
Inventors: 胡朋朋; 张永亮; 黄树燕; 眭敏; 杨玉丽; 王雪君
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-06-18

Abstract

The invention provides a brazing device, which comprises a frame; the heating assembly is connected with the rack and is provided with a heating station, and the heating station is used for heating a product to be brazed; the first driving part is connected with the rack; the rotating portion is connected with the first driving portion, the rotating portion is arranged adjacent to the heating assembly, a positioning assembly used for positioning a product to be brazed is arranged on the rotating portion, the positioning assembly can be arranged in a rotating mode relative to the rotating portion, and the first driving portion is used for driving the rotating portion to rotate so as to drive the product to be brazed, which is placed on the positioning assembly, to move to a heating station to heat and perform brazing operation. The product can realize all-round brazing by the aid of the arrangement, brazing quality is improved, meanwhile, the driving portion is adopted to drive the product to be brazed, brazing efficiency of the product is effectively improved, and reliability of the brazing device is improved.

Description

Soldering device

Technical Field

The invention relates to the technical field of brazing equipment, in particular to a brazing device.

Background

In the prior art, most of the process methods used in the brazing industry are flame brazing, manual flame welding and assembly line flame welding, and the following problems exist in the whole process and need to be solved:

1, the heating temperature of the workpiece is greatly fluctuated by heating gas such as liquefied gas and oxygen, and the brazing quality of the workpiece is influenced.

2, flame combustion of flame brazing produces dazzling light, smoke dust and high noise, the operating environment is severe, and potential safety hazards of gas explosion exist.

3, the flame brazing is greatly influenced by the skills of staff, and the production process is uncontrollable.

In conclusion, the flame brazing has the problems of gas flow fluctuation, noise and the like, the heating temperature is difficult to master, operators are required to have higher skills and rich experience, and the flame brazing is difficult to adapt to the requirements of large-scale production.

Disclosure of Invention

The invention mainly aims to provide a brazing device to solve the problems of low brazing efficiency and poor quality in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a brazing apparatus including: a frame; the heating assembly is connected with the rack and is provided with a heating station, and the heating station is used for heating a product to be brazed; the first driving part is connected with the rack; the rotating portion is connected with the first driving portion, the rotating portion is arranged adjacent to the heating assembly, a positioning assembly used for positioning a product to be brazed is arranged on the rotating portion, the positioning assembly can be arranged in a rotating mode relative to the rotating portion, and the first driving portion is used for driving the rotating portion to rotate so as to drive the product to be brazed, which is placed on the positioning assembly, to move to a heating station to heat and perform brazing operation.

Further, the heating assembly includes: the lifting mechanism is connected with the rack; the induction coil assembly is connected with the lifting mechanism, the lifting mechanism can drive the induction coil assembly to reciprocate along the vertical direction, and the induction coil assembly is used for heating a product to be brazed.

Further, the induction coil assembly includes: the first output transformer is connected with the output end of the lifting mechanism; the first induction coil is connected with the first output transformer and used for heating a product to be brazed.

Further, the induction coil assembly includes: the second output transformer is connected with the output end of the lifting mechanism; and the second induction coil is connected with the second output transformer, is arranged opposite to the first induction coil and is used for heating a product to be brazed.

Further, the distance between the second induction coil and the first induction coil is adjustably set.

Further, the rotation portion includes the carousel, and the carousel is connected with the output of first drive division, and the carousel is located heating element's below, is provided with locating component on the carousel, and locating component is a plurality of, and a plurality of locating component set up along the circumference interval ground of carousel.

Further, the carousel is provided with the drive tooth structure, and the locating component sets up with driving tooth structure meshing from driving wheel and supporting shoe including following driving wheel, the tooth portion of following driving wheel, and the supporting shoe is connected with following the driving wheel, and when first drive division drive carousel rotated, drive from the driving wheel rotation to make and drive the supporting shoe rotation from the driving wheel, the supporting shoe was used for placing the product of treating brazing.

Further, the positioning assembly comprises: the second driving part is connected with the rotary table, and an output shaft of the second driving part is provided with a driving wheel; the driven wheel is connected with the rotary disc and is arranged in a meshed manner with the driving wheel; the supporting block is connected with the driven wheel and used for placing a product to be brazed.

Further, the brazing device further comprises a controller and a touch screen, and the controller is controlled to be communicated with the heating assembly and the first driving portion through the touch screen.

Further, the brazing apparatus includes: the detector detects the heating station when the positioning assembly moves to the heating station, and when the detector detects that no product exists at the heating station, the detector sends a heating stop signal to the controller, the controller controls the heating assembly to stop heating according to the heating stop signal, when the detector detects that the heating station has a product, the detector sends a heating signal to the controller, and the controller controls the heating assembly to heat for a preset time according to the heating signal.

Further, the brazing apparatus further includes: and the manipulator is connected with the rack and is used for unloading the brazed product to a preset position from the positioning assembly.

Further, the heated product includes at least one of a diverter, a silencer, a filter, a globe valve.

Further, at least one of the first and second induction coils is an arc-shaped structure, and a curvature center of the arc-shaped structure is disposed the same as a rotation center of the rotating portion.

By applying the technical scheme of the invention, the rotating part is provided with the positioning assembly which can rotate relative to the rotating part, and the positioning assembly is used for placing a product to be brazed. The product can realize all-round brazing by the aid of the arrangement, brazing quality is improved, meanwhile, the driving portion is adopted to drive the product to be brazed, brazing efficiency of the product is effectively improved, and reliability of the brazing device is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic structural view of a first embodiment of a brazing apparatus according to the invention;

fig. 2 shows a schematic structural view of a second embodiment of a soldering apparatus according to the present invention.

Wherein the figures include the following reference numerals:

10. a frame;

20. a heating assembly; 21. a lifting mechanism; 22. an induction coil assembly; 221. a first output transformer; 222. a first induction coil; 223. a second output transformer; 224. a second induction coil;

30. a first driving section; 31. a rotating table;

40. a rotating part; 41. a positioning assembly; 411. a driven wheel; 412. a support block;

50. a touch screen; 60. a robot arm.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1 and 2, according to an embodiment of the present application, a brazing apparatus is provided.

Specifically, the brazing apparatus includes a frame 10, a heating assembly 20, a first driving part 30, and a rotating part 40. A heating assembly 20 is connected to the frame 10, the heating assembly 20 having a heating station. The heating station is used for heating a product to be brazed. The first driving part 30 is connected to the frame 10. The rotating portion 40 is connected to the first driving portion 30, and the rotating portion 40 is disposed adjacent to the heating unit 20. The rotating portion 40 is provided with a positioning assembly 41 for positioning a product to be brazed. The positioning assembly 41 can be rotatably arranged relative to the rotating portion 40, and the first driving portion 30 is used for driving the rotating portion 40 to rotate so as to drive a product to be brazed, which is placed on the positioning assembly 41, to move to a heating station for heating and brazing.

In the present embodiment, a positioning assembly is provided on the rotating portion to be rotatable relative to the rotating portion 40, and the positioning assembly is used for placing a product to be brazed. The product can realize all-round brazing by the aid of the arrangement, brazing quality is improved, meanwhile, the driving portion is adopted to drive the product to be brazed, brazing efficiency of the product is effectively improved, and reliability of the brazing device is improved.

Wherein the heating assembly 20 includes a lifting mechanism 21 and an induction coil assembly 22. The lifting mechanism 21 is connected to the frame 10. The induction coil assembly 22 is connected with the lifting mechanism 21, the lifting mechanism 21 can drive the induction coil assembly 22 to reciprocate along the vertical direction, and the induction coil assembly 22 is used for heating a product to be brazed. Set up like this and make this heating element can adapt to the product of unidimensional and heat, realized then that this brazing device can be adapted to the product of different specification different grade types, improved this brazing device's practicality. Wherein, elevating system can include the cylinder, is provided with the installation piece on the cylinder output shaft, and induction coil subassembly 22 is connected with the cylinder through the installation piece.

Specifically, the induction coil assembly 22 includes a first output transformer 221, a first induction coil 222, a second output transformer 223, and a second induction coil 224. The first output transformer 221 is connected with the output end of the lifting mechanism 21; the first induction coil 222 is connected to the first output transformer 221, and the first induction coil 222 is used for heating a product to be brazed. The second output transformer 223 is connected to the output end of the lifting mechanism 21. The second induction coil 224 is connected to the second output transformer 223, the second induction coil 224 is disposed opposite to the first induction coil 222, and the second induction coil 224 is used for heating a product to be brazed. This arrangement can improve the quality of brazing.

Wherein, in order to further improve the quality of the brazing, the distance between the second induction coil 224 and the first induction coil 222 may be set in an adjustable manner.

Further, the rotating portion 40 includes a turntable. The turntable is connected with the output end of the first driving part 30, the turntable is positioned below the heating assembly 20, and a positioning assembly 41 is arranged on the turntable. The positioning assemblies 41 are multiple, and the positioning assemblies 41 are arranged at intervals along the circumferential direction of the turntable. This arrangement can improve the efficiency of brazing.

In one embodiment of the present application, the turntable is provided with a drive tooth structure. The positioning assembly 41 comprises a driven wheel 411 and a supporting block 412, a tooth portion of the driven wheel 411 is meshed with a driving tooth structure, the supporting block 412 is connected with the driven wheel 411, and when the first driving portion 30 drives the turntable to rotate, the driven wheel 411 is driven to rotate, so that the driven wheel 411 drives the supporting block 412 to rotate, and the supporting block 412 is used for placing a product to be brazed. That is, in the present application, when the turntable itself rotates, it is equivalent to a driving wheel, so that the product placed on the supporting block 412 can also rotate when the turntable rotates. The arrangement enables the products placed on the supporting block to achieve the effects of uniform heating and uniform brazing.

In another embodiment of the present application, the positioning assembly 41 includes a second driving portion, a driven wheel, and a support block 412. The second driving part is connected with the rotary table, and an output shaft of the second driving part is provided with a driving wheel. The driven wheel is connected with the turntable and meshed with the driving wheel. The support blocks 412 are connected to the driven wheels, and the support blocks 412 are used for placing products to be brazed. That is, in this embodiment, the rotation of the products placed on the supporting blocks is controlled by adopting an independent control manner.

In order to facilitate control of the entire brazing process, the brazing apparatus further comprises a controller, a touch screen 50 and a detector. The controller communicates with the heating assembly 20 and the first driving part 30 through the touch screen 50. When the positioning assembly 41 moves to the heating station, the detector detects the heating station, when the detector detects that no product exists at the heating station, the detector sends a heating stop signal to the controller, the controller controls the heating assembly 20 to stop heating according to the heating stop signal, when the detector detects that the heating station has a product, the detector sends a heating signal to the controller, and the controller controls the heating assembly 20 to heat for a preset time according to the heating signal.

To facilitate unloading of the brazed product from the positioning assembly, the brazing apparatus further includes a robot arm 60. A robot 60 is connected to the rack 10, the robot 60 being adapted to unload the brazed product from the positioning assembly 41 to a predetermined position.

Adopt the brazing device of this application, can be applicable to and braze to structures such as shunt, muffler, filter, globe valve. The practicability of the brazing device is effectively improved.

Further, at least one of the first and second induction coils 222 and 224 has an arc structure, and a curvature center of the arc structure is disposed the same as a rotation center of the rotation part 40. When can improve heating element like this and heat the product, the heat that the product received is more even. Wherein, the output end of the first driving part 30 can be provided with a rotating table 31, and the rotating disc of the rotating part 40 is connected with the rotating table 31. The first and

second driving parts

30 and 30 may be motors.

Specifically, in this application, the heating heat source adopts induction brazing to replace flame brazing, eliminates the gas fluctuation and leads to the unstable problem of heating temperature. The induction brazing process is adopted, so that the heating range can be controlled, the area of a heat affected zone is reduced, the energy consumption is reduced, and the welding stress is reduced. And a rotary tool is matched with the assembly line, so that the heating uniformity is improved, and the welding efficiency and the welding qualified rate are improved. The welding parameters are communicated with the communication interface on the equipment, so that the welding information can be stored, and later-stage tracing and welding optimization are improved.

Adopt the brazing device of this application, eliminated because of the gas undulant too big heating temperature unstable problem that leads to. The problem of flame brazing inefficiency is solved, adopt the technical scheme of this application can realize the welding coil universalization, adjust fast, solve the difficult problem of automatic frequent switching and debugging cycle length, improve equipment utilization and rate, reduce operator's technical ability demand. Eliminate dazzling light, smoke dust and high noise generated by flame combustion, obviously improve the brazing operation environment, eliminate the potential safety hazard of gas explosion and realize environment-friendly brazing production. The electric energy is used for replacing petroleum gas, so that energy cleanness is realized, the sustainable development requirement is met, and the production cost is reduced.

Through adopting induction coil for this brazing device's commonality is stronger, effectively shortens automatic switching time, improves automatic utilization ratio. The products or parts rotate continuously in the welding process, and the temperature of the products entering the heating area at each position is the same. The application provides a brazing device is different with traditional induction brazing single spot welding, adopts the form of class assembly line, improves welding efficiency by a wide margin. The brazing device can monitor and extract welding information, provides a method for long-term optimization of the process and informatization, does not use a gas pipeline, reduces layout of workshop pipelines, eliminates a fire station, and makes the layout of the workshop simpler.

In the application, the induction heating power supply is in a one-to-two output mode, and the power and the frequency of the two output ends are the same. The output end transformer is fixed on the turntable, a rotating gear is installed below the turntable and meshed with a driven wheel on the turntable, and the turntable rotates at a uniform angular speed to drive the driven wheel to rotate so that a product positioned on the supporting block passes through an induction coil heating area along with the revolution of the turntable in the rotation process. Namely, after the brazing device is started, the turntable drives the driven wheel to rotate at a constant speed, and the turntable revolves to pass through the heating area of the induction coil.

The welding process is completed on the turntable by adopting a method of manual tubing and preset welding rings, and welded products or workpieces are unloaded and stacked by a manipulator 60 of a grabbing robot. And repeating the above steps to complete batch production. Wherein, material loading, welding, off-line process, the detail is as follows:

1. feeding material

The welding ring is preset at the position of a brazing part in a product to be welded and is placed on the supporting block, the driven wheel is meshed with the turntable in the whole process, and the driven wheel of the positioning assembly rotates at a constant speed. And simultaneously feeding materials, and synchronously carrying out welding operation on products to be welded in the induction coil area.

2. Welding of

The induction coil is processed into the circular arc with the carousel concentric circles by the digit control machine tool, distance in the middle of two induction coils can be adjusted wantonly, the part can freely pass from the coil, when the supporting shoe that carries the product passes through the induction coil region along with the carousel revolution, receive the infrared probe response of detector this moment, detect no part in the supporting shoe, the supporting shoe passes through induction coil's region this moment, induction coil is out of work, the product has been placed on detecting the supporting shoe, the carousel rotates, it is rotatory from the driving wheel to drive, make the product at the uniform velocity rotatory, inductor acceptance signal this moment, the alternating current flows in the induction coil this moment, by electromagnetic coupling on rotatory part, produce induced electromotive force on making the part, and form induced-current on the part, produce joule heat, and utilize this heat to accomplish the work of brazing. In the process, the output is constant, the parameters are fully digitalized, the heat of all parts is promoted to be uniform by rotation, and the brazing temperature principle is utilized, so that the welding quality is high, the consistency is good, and the efficiency is high.

3. Off-line stacking

When the part flows out induction coil region, blow nitrogen gas cooling product toward the part this moment, reduce the oxidation degree, leave the action wheel from the driving wheel this moment, the supporting shoe is no longer rotatory, after the cooling, take off the product from the frock by the integrated pile up neatly machine people that snatchs on the equipment, pack after the design height again, transport to stock or material buffer, the frock then gets back to initial position along with the revolving stage together, repeats above-mentioned action, accomplishes batch welding production. In this application, take shunt, muffler, filter, the spherical valve body that the symmetry is high as leading, design corresponding frock clamp and all can utilize the brazing device completion production and processing operation that this application provided.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A brazing apparatus, comprising:

a frame (10);

a heating assembly (20), wherein the heating assembly (20) is connected with the frame (10), and the heating assembly (20) is provided with a heating station which is used for heating a product to be brazed;

a first drive part (30), wherein the first drive part (30) is connected with the frame (10);

rotation portion (40), rotation portion (40) with first drive division (30) are connected, rotation portion (40) with heating element (20) set up adjacently, be provided with on rotation portion (40) and be used for treating brazed product and carry out locating component (41) of fixing a position, locating component (41) can be relative rotation portion (40) set up with rotating, first drive division (30) are used for driving rotation portion (30) to rotate, with the drive place in the product of treating brazing on locating component (41) removes extremely the heating station heats and carries out the operation of brazing.

2. The brazing apparatus according to claim 1, wherein the heating assembly (20) comprises:

the lifting mechanism (21), the said lifting mechanism (21) is connected with said framework (10);

the induction coil assembly (22), the induction coil assembly (22) is connected with the lifting mechanism (21), the lifting mechanism (21) can drive the induction coil assembly (22) to reciprocate along the vertical direction, and the induction coil assembly (22) is used for heating a product to be brazed.

3. The brazing apparatus of claim 2, wherein the induction coil assembly (22) comprises:

the first output transformer (221), the first output transformer (221) is connected with the output end of the lifting mechanism (21);

a first induction coil (222), the first induction coil (222) being connected to the first output transformer (221), the first induction coil (222) being used to heat a product to be brazed.

4. The brazing apparatus of claim 3, wherein the induction coil assembly (22) comprises:

a second output transformer (223), wherein the second output transformer (223) is connected with the output end of the lifting mechanism (21);

a second induction coil (224), the second induction coil (224) being connected to the second output transformer (223), the second induction coil (224) being disposed opposite to the first induction coil (222), the second induction coil (224) being configured to heat a product to be brazed.

5. The soldering apparatus according to claim 4, wherein a distance between the second induction coil (224) and the first induction coil (222) is adjustably set.

6. The brazing apparatus according to claim 1, wherein the rotating portion (40) comprises a rotary table connected to an output end of the first driving portion (30), the rotary table being located below the heating assembly (20), the rotary table having a plurality of positioning assemblies (41) disposed thereon, the plurality of positioning assemblies (41) being disposed at intervals along a circumferential direction of the rotary table.

7. The brazing device according to claim 6, wherein the rotary disc is provided with a driving tooth structure, the positioning assembly (41) comprises a driven wheel (411) and a supporting block (412), a tooth portion of the driven wheel (411) is arranged in a meshed manner with the driving tooth structure, the supporting block (412) is connected with the driven wheel (411), the first driving portion (30) drives the rotary disc to rotate so as to drive the driven wheel (411) to rotate, and therefore the driven wheel (411) drives the supporting block (412) to rotate, and the supporting block (412) is used for placing a product to be brazed.

8. Brazing device according to claim 6, wherein said positioning assembly (41) comprises:

the second driving part is connected with the rotary table, and an output shaft of the second driving part is provided with a driving wheel;

the driven wheel is connected with the rotary disc and meshed with the driving wheel;

the supporting block (412), the supporting block (412) is connected with the driven wheel, and the supporting block (412) is used for placing products to be brazed.

9. The soldering apparatus according to claim 1, further comprising a controller and a touch screen (50), wherein the controller is controlled by the touch screen (50) to communicate with the heating assembly (20) and the first driving part (30).

10. The brazing apparatus of claim 9, wherein the brazing apparatus comprises:

the detector detects the heating station when the positioning assembly (41) moves to the heating station, the detector sends a heating stopping signal to the controller when the detector detects that no product exists at the heating station, the controller controls the heating assembly (20) to stop heating according to the heating stopping signal, the detector sends a heating signal to the controller when the detector detects that the heating station has a product, and the controller controls the heating assembly (20) to heat for a preset time according to the heating signal.

11. The brazing apparatus of claim 1, further comprising:

a robot (60), said robot (60) being connected to said rack (10), said robot (60) being adapted to unload the brazed product from said positioning assembly (41) to a predetermined position.

12. The brazing apparatus of claim 1, wherein the heated product comprises at least one of a flow divider, a muffler, a filter, a globe valve.

13. The brazing apparatus of claim 4, wherein at least one of the first induction coil (222) and the second induction coil (224) is an arc-shaped structure having a center of curvature that is disposed the same as a center of rotation of the rotating portion (40).