An automated welding assembly system for coil structures

Abstract

The invention discloses an automated welding assembly system for a coil structure, comprising a circular turntable fixing frame and a plurality of positioning clamping devices arranged on the circular turntable, wherein the positioning clamping device comprises a retractable and movable positioning die groove structure; a contact piece assembly device, a conductive plate assembly device and a coil assembly device are arranged around the circular turntable, and the conductive plate, the contact piece and the coil are respectively assembled into the positioning die groove to form a coil module assembly, and the coil module assembly is welded into an integrated coil structure finished product by a welding device. By adopting the technical scheme, the conductive plate, the contact piece and the coil are respectively positioned by the positioning die groove, so as to ensure the stability of the subsequent welding process, improve the product qualification rate, save resources, realize automated operation control in the entire assembly process, have high assembly accuracy and reasonable process layout, which not only ensures the product assembly quality but also reduces the labor cost, and has good market competitiveness.

Description

Technical Field

[0001] The invention relates to the technical field of automatic assembly of coil structures, and in particular to an automatic welding assembly system for coil structures. Background Art

[0002] With the acceleration of my country's industrialization and informatization process, the intensity of industrial structure adjustment has been continuously increased, especially in the rapid development of industrial automation. Through the use of control theory, instrumentation, computers and other information technologies, the industrial production process can be tested, controlled, optimized, dispatched, managed and decided to achieve the purpose of improving efficiency, improving quality, reducing consumption and ensuring safety. Its industrial automation is clearly reflected in some automation equipment, which liberates the labor force to optimize the allocation of human resources and improve production efficiency.

[0003] The coil structure is also called an electromagnetic coil and can be used in the excitation circuit of the circuit breaker. It plays the role of connecting the electromagnetic tripping and the protected circuit in the circuit breaker. Fig.11 As shown, the electromagnetic coil includes a coil b, a conductive plate a and a static contact c, wherein one end of the coil b is connected to an external power supply through the conductive plate a, and the other end of the coil b is connected to the static contact c to form a conductive circuit, so the connection between the coil and the contact plate and the static contact is a key core component in the circuit breaker overcurrent release. At present, in enterprises or factories, the electromagnetic coil is mainly assembled by manually operating a welding mechanism. Generally, the coil b, the conductive plate a, and the static contact c are manually loaded into a simple fixture, and the clamping screws are manually adjusted to make the two ends of the coil correspond to the conductive plate and the static contact. Then, the product in the fixture is manually sent to the welding position of the two electrodes. After welding, the product is taken out of the welding position, and the clamping screws are manually loosened. The welded product is placed in the inspection fixture to check whether the size is qualified. If qualified, the previous process is repeated to carry out the welding cycle of the next product. If unqualified, it is repaired. The existing electromagnetic coils are welded by traditional manual welding. First, the components are prone to positional displacement during the welding process, which results in poor stability and difficulty in ensuring welding quality, leading to many unqualified products and unnecessary waste of resources. Secondly, the entire assembly process requires the participation of multiple workers, which results in a long waiting time between each process and poor process coordination, which slows down the production rhythm and reduces the overall product assembly efficiency. Summary of the invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the problem that the electromagnetic coil in the prior art adopts the traditional manual welding method, the components are prone to position displacement during the welding process, the welding quality is difficult to guarantee, resulting in a large number of unqualified products, and poor process coordination, which will slow down the production rhythm and reduce the overall product assembly efficiency.

[0005] In order to solve the above technical problems, the present invention provides an automated welding assembly system for a coil structure, comprising:

[0006] A fixed frame, on which a circular turntable is rotatably arranged;

[0007] A plurality of positioning and clamping devices are spaced apart on the circular turntable along the circumferential direction; the positioning and clamping devices include a retractable positioning die groove structure, the positioning die groove structure has an open state of expanding its opening, and a tightened state of shrinking its opening;

[0008] The contact assembly device, the conductive plate assembly device and the coil assembly device are installed on the fixing frame and arranged around the circular turntable. The assembly ends of the conductive plate assembly device, the contact assembly device and the coil assembly device are located on the circular turntable and are used to respectively assemble the conductive plate, the contact and the coil into the positioning die groove to form a coil module assembly;

[0009] The welding device is arranged on one side of the outer circumference of the circular turntable and is used to weld the coil module assembly consisting of the conductive plate, the contact piece and the coil in the positioning die groove structure into an integrated coil structure finished product.

[0010] As a preferred solution, the positioning clamping device includes an assembly table that is pressurized and can float up and down on the circular turntable, and a positioning claw assembly that is driven and can move through the assembly table, and the positioning mold groove structure is formed between the bent hook end of the positioning claw assembly and the assembly table.

[0011] As a preferred solution, the positioning mold groove structure includes a first clamping groove and a second clamping groove arranged side by side on the positioning clamping device, the contact piece assembly device and the conductive plate assembly device respectively position the contact piece and the conductive plate into the first clamping groove and the second clamping groove, and the coil assembly device positions the coil into the second clamping groove so that both ends of the coil are connected to the contact piece and the guide plate to form the coil module assembly.

[0012] As a preferred solution,

[0013] The positioning claw assembly includes a first positioning claw and a second positioning claw extending in the same direction through the front end of the assembly platform, the first positioning claw and the front end of the assembly platform are opposite to form the first clamping groove, and the second positioning claw and the front end of the assembly platform are opposite to form the second clamping groove.

[0014] As a preferred embodiment, the first clamping groove includes a lower cavity portion for limiting and accommodating the contact member, and an upper cavity portion connected to the upper part of the lower cavity portion in an arc shape, and a limiting step for horizontally placing the contact member is provided in the lower cavity portion, and the opening diameter formed between the lower cavity portion and the upper cavity portion is smaller than the diameter of the coil.

[0015] As a preferred solution, the positioning claw assembly further comprises a third positioning claw movably extending between the assembly platform and the lower cavity, and the third positioning claw is closely surrounded by the first positioning claw.

[0016] As a preferred solution, the assembly platform includes three mounting grooves that run through its front and rear ends and are suitable for slidingly connecting the first positioning claw, the second positioning claw, and the third positioning claw. The positioning clamping device includes a driving structure that drives the first positioning claw, the second positioning claw, and the third positioning claw to move back and forth along the mounting grooves; the driving structure includes a cylinder structure that is respectively connected to the first positioning claw, the second positioning claw, and the third positioning claw extending out of the rear end of the assembly platform, and a reset spring assembly that is connected between the assembly platform and the cylinder structure and is used to drive the first positioning claw, the second positioning claw, and the third positioning claw to reset after the cylinder structure unloads force.

[0017] As a preferred solution, an elastic floating structure is provided between the assembly platform and the circular turntable, and the elastic floating structure comprises:

[0018] A base is arranged at the bottom of the assembly table,

[0019] A guide structure, comprising a plurality of cylindrical concave cavities relatively arranged between the assembly platform and the base, and a plurality of guide positioning rods passing through the plurality of cylindrical concave cavities to connect the assembly platform and the base;

[0020] a spring component, which is accommodated in the cylindrical cavity and adapted for the guide and positioning rod to pass through, and the spring component applies a biasing force to the assembly table to move upward;

[0021] The limiting seat is arranged on the circular turntable and has a limiting roller pressed against the top of the assembly table.

[0022] As a preferred solution, the conductive plate assembly device, the contact assembly device and the coil assembly device respectively include:

[0023] A feeding assembly, comprising a feeding tray and a vibrating feeding rail connected to the feeding tray, wherein the vibrating feeding rail extends toward one side of the circular turntable;

[0024] A positioning platform structure, arranged at one end of the vibrating feeder track, for receiving and positioning one of the conductive plates or contact members or coils on the vibrating feeder track to wait for assembly;

[0025] The manipulator assembly is mounted on the fixing frame and is used to take out the conductive plate, contact piece or coil on the positioning platform structure and assemble them into the corresponding positioning die groove structure.

[0026] As a preferred embodiment, a position adjustment mechanism is provided between the circular turntable and the coil assembly device, and the position adjustment mechanism includes two adjustment blocks relatively arranged on both sides of the first clamping groove and the second clamping groove, and a cylinder structure driving the two adjustment blocks to move closer to or away from each other, one of the adjustment blocks is opposite to one end of the contact piece extending out of the first clamping groove, and the other adjustment block is opposite to one end of the conductive plate extending out of the second clamping groove.

[0027] As a preferred solution, two welding devices are provided adjacent to each other after the process of the coil assembly device, and the two welding devices are used to weld and fix the conductive plate and the contact member to the two ends of the coil respectively; the welding device comprises:

[0028] A mounting bracket, fixed on the fixing frame;

[0029] A slider structure is movably connected to the mounting bracket via a slide rail structure;

[0030] A welding head component is slidably connected to the slider structure along the movement direction of the slider structure, and the welding head component is arranged toward the first clamping groove or the second clamping groove;

[0031] A welding head cylinder is arranged on the mounting bracket and connected to the slider structure, and drives the slider structure to move back and forth along the extending direction of the slide rail structure to drive the welding head component to press down against one end of the coil;

[0032] The elastic structure is connected between the slider structure and the welding head component. When the welding head component is pressed against the coil, the elastic structure can be pressed to move relative to the slider structure.

[0033] As a preferred solution, the elastic structure is a pressure spring, a connecting rod passing through the pressure spring is provided between the slider structure and the welding head component, and an adjusting nut which is limited to the top of the pressure spring is movably sleeved on the connecting rod.

[0034] As a preferred solution, it also includes a discharging device arranged after the process of the welding device, and an intelligent control device installed on the fixing frame, and the discharging device includes:

[0035] A discharge chute is arranged in an inclined manner on one side of the outer circumference of the circular turntable;

[0036] A material receiving chute box is telescopically connected to one end of the material discharging chute facing the circular turntable, and has a material receiving state extending out of one end of the material discharging chute, and an empty material state retracted into the material discharging chute;

[0037] An unqualified material box is arranged below the material receiving trough box;

[0038] The material discharging clamp mechanism is used to take out the finished coil structure from the assembly table and transfer it to a receiving trough box in a receiving state, so that the finished coil structure slides along the material discharging trough.

[0039] As a preferred embodiment, the discharging clamp mechanism includes two groups of clamp structures arranged opposite to each other, and an intermediate accommodation area formed between the two groups of clamp structures and suitable for accommodating the coil. The two groups of clamp structures are used to clamp the conductive plate and the contact member respectively, and the two ends of the coil are respectively enclosed in the clamping grooves formed by the two groups of clamp structures to limit the coil from escaping from the intermediate accommodation area from top to bottom.

[0040] The technical solution of the present invention has the following advantages compared with the prior art:

[0041] 1. The automatic welding assembly system for coil structure provided by the present invention assembles the conductive plate, the contact piece and the coil into the positioning die groove through the conductive plate assembly device, the contact piece assembly device and the coil assembly device respectively to form a coil module assembly, the coil module assembly is a coil structure model formed by splicing various components, and then the coil module assembly is positioned and clamped by tightening the opening of the positioning die groove structure to prevent the coil module assembly from being offset or even falling apart during the assembly process, and the coil module assembly is positioned and welded. As the circular turntable continues to rotate, the welding device then welds the coil module assembly in the positioning die groove into an integrated coil structure product, thus completing the automatic assembly process of the conductive plate, the contact piece and the coil. By adopting the technical solution, the conductive plate, the contact piece and the coil are positioned through the positioning die groove, respectively, to ensure the stability and reliability of the subsequent welding process, to improve the product qualification rate, and to save resources. The entire assembly process realizes intelligent and mechanized operation control, without the need for manual operation, with high assembly accuracy, reasonable process layout, smooth connection between each process and high assembly efficiency, which not only ensures the product assembly quality but also reduces the labor cost, and has good market competitiveness.

[0042] 2. The automatic welding assembly system for coil structures provided by the present invention has a positioning claw assembly on the assembly table, and a positioning die groove structure is formed between the hook end of the positioning claw assembly and the assembly table. The positioning claw assembly moves back and forth on the assembly table to realize the free switching of the positioning die groove structure between the open state and the tightened state. Under the control of the working program, when the positioning die groove structure expands its opening, corresponding parts can be loaded, and when the positioning die groove structure tightens its opening, it plays a clamping role on the parts inside, and has good installation stability and reliable matching.

[0043] 3. The automatic welding assembly system for coil structure provided by the present invention forms a first clamping groove and a second clamping groove relative to the front end of the assembly platform through the first positioning claw and the second positioning claw, wherein the conductive member is installed in the second clamping groove, and the contact member and the coil are installed in the lower cavity and the upper cavity formed in the first clamping groove in an up-and-down relative position. By providing a third positioning claw between the assembly platform and the lower cavity, the three positioning claws are sequentially operated according to the loading sequence, that is, the contact member installed in the lower cavity of the first clamping groove is first clamped by the third positioning claw, and then the conductive plate installed in the second clamping groove is clamped by the second positioning claw. At this time, the first positioning claw can still be freely opened for the coil to be loaded, and finally the coil in the upper cavity is clamped by the first positioning claw, so that the coil is respectively connected with the conductive plate and the contact to form a coil module assembly. The coil module assembly plays a positioning and assembly effect under the cooperation of the three positioning claws, and the design is reasonable and the assembly stability is good.

[0044] 4. In the automatic welding assembly system for coil structures provided by the present invention, the elastic floating structure is composed of a base, a guide structure, a spring component and a limit seat. The spring component is arranged in a cylindrical cavity between the assembly table and the base, and applies a biasing force to the assembly table to move up and down. The advantage of such a design is that the elastic floating function of the assembly table under pressure is realized, especially when the welding device presses against the coil module assembly for welding, the assembly table can be elastically sunk to reduce the impact force, and the wear of the welding head of the welding device can be compensated to a certain extent, so that the welding head of the welding device maintains reliable contact with the coil module assembly, and the welding quality is stable and reliable.

[0045] 5. In the automatic welding assembly system for coil structures provided by the present invention, when welding the coil module assembly, the slider structure drives the welding head component to move downward to press the coil under the drive of the welding head cylinder. In order to ensure sufficient welding contact force, the welding head component will apply a large extrusion force to the coil of the assembly table during the pressing process. When the extrusion force is greater than the elastic pressure of the elastic structure, the welding head component can move a certain distance relative to the slider structure by extruding the elastic structure. In this way, it can be avoided that the slider structure drives the welding head component to squeeze the coil too hard, causing the welding head to be deformed and damaged. The elastic structure plays the role of elastic buffering and energy storage for the welding head component, which can maintain the welding contact pressure between the welding head component and the coil, so that the welding head component and the coil module assembly are kept in close contact, the welding stability is good, the use performance and implementation life of the welding device are improved, and the welding quality of the coil structure is guaranteed.

[0046] 6. The automatic welding assembly system for coil structures provided by the present invention has a retractable receiving trough box at one end of the discharging trough. When the assembly table rotates to the discharging device along with the circular turntable, the finished coil structure on the assembly table is transferred to the receiving trough box by the discharging claw mechanism, so that the finished coil structure slides along the discharging trough to realize the finished product discharging process. When the intelligent control device detects that there is empty material or unqualified coil structure on the assembly table, the receiving trough box is immediately controlled to move from the receiving state to the empty state, so that a blanking gap is formed between the discharging trough and the circular turntable, which is opposite to the unqualified material box in the upper and lower directions. At this time, the unqualified coil structure is dropped into the unqualified material box by the discharging claw mechanism, thereby realizing the distinction and sorting operation between qualified and unqualified coil structures, avoiding the confusion between qualified products and defective products, ensuring the accurate and orderly discharging of qualified products, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0048] Figure 1 It is a schematic diagram of the planar structure of the automatic welding assembly system for coil structures of the present invention;

[0049] Figure 2 It is a three-dimensional structural schematic diagram of the automatic welding assembly system for coil structures of the present invention;

[0050] Figure 3 It is a schematic diagram of the three-dimensional structure of the positioning and clamping device of the present invention;

[0051] Figure 4 It is a schematic cross-sectional structure diagram of the positioning and clamping device of the present invention;

[0052] Figure 5 It is a schematic diagram of the split structure of the positioning and clamping device of the present invention;

[0053] Figure 6 It is a schematic diagram of the structure of the first clamping groove of the present invention;

[0054] Figure 7 It is a structural schematic diagram of the position adjustment mechanism of the present invention;

[0055] Figure 8 It is a structural schematic diagram of the welding device of the present invention;

[0056] Fig. 9 It is a structural schematic diagram of the discharging device of the present invention;

[0057] Fig.10 It is a structural schematic diagram of the discharging clamp mechanism of the present invention;

[0058] Fig.11 It is a structural schematic diagram of the wire clamp structure of the present invention;

[0059] Description of the accompanying drawings: 1-fixed frame, 11-circular turntable, 12-detection instrument, 2-positioning clamping device, 21-assembly table, 22-first positioning claw, 23-second positioning claw, 24-third positioning claw, 25-cylinder structure, 26-reset spring assembly, 27-elastic floating structure, 271-cylindrical cavity, 272-guide positioning rod, 273-spring component, 29-limiting seat, 291-limiting roller, 28-base, 3-positioning mold groove structure, 31-first clamping groove, 311-lower cavity part, 312-upper cavity part, 32-second clamping groove, 4-contact member group Mounting device, 41-feeding tray, 42-vibrating feed rail, 43-manipulator assembly, 44-positioning table structure, 5-conductive plate assembly device, 6-coil assembly device, 7-welding device, 71-mounting bracket, 72-slider structure, 73-welding head component, 74-welding head cylinder, 75-elastic structure, 76-connecting rod, 77-adjusting nut, 8-position adjustment mechanism, 81-adjusting pressure block, 9-discharging device, 91-discharging chute, 92-receiving chute box, 93-unqualified material box, 94-discharging clamping mechanism, 941-clamping structure, 942-middle accommodating area. DETAILED DESCRIPTION

[0060] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0061] In the description of the present invention, it should be noted that the terms “first”, “second” and “third” are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0062] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0063] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0064] Example 1

[0065] The present embodiment is described in detail below with reference to the accompanying drawings:

[0066] This embodiment provides Figure 1-11 An automated welding assembly system for a coil structure is shown, comprising:

[0067] A fixed frame 1, on which a circular turntable 11 is rotatably arranged;

[0068] A plurality of positioning and clamping devices 2 are spaced apart on the circular turntable 11 along the circumferential direction; the positioning and clamping devices 2 include a retractable positioning die groove structure 20, and the positioning die groove structure 20 has an open state in which its opening is expanded, and a tightened state in which its opening is reduced;

[0069] The contact assembly device 4, the conductive plate assembly device 5 and the coil assembly device 6 are installed on the fixing frame 1 and arranged around the circular turntable 11. The assembly ends of the conductive plate assembly device 5, the contact assembly device 4 and the coil assembly device 6 are located on the circular turntable 11, and are used to respectively assemble the conductive plate, the contact and the coil into the positioning die groove to form a coil module assembly;

[0070] The welding device 7 is arranged on one side of the outer circumference of the circular turntable 11, and is used to weld the coil module assembly composed of the conductive plate, the contact piece and the coil in the positioning mold groove structure 3 into an integrated coil structure finished product.

[0071] In the above-mentioned embodiment, the conductive plate, the contact member and the coil are respectively assembled into the positioning die groove by the contact member assembly device 4, the conductive plate assembly device 5, and the coil assembly device 6 to form a coil module assembly. The coil module assembly is a coil structure model formed by splicing various components (not yet welded into one piece), and then the positioning die groove structure 3 is tightened to position and clamp the coil module assembly to prevent the coil module assembly from being displaced or even falling apart during the assembly process, and the coil module assembly is positioned and welded. As the circular turntable 11 continues to rotate, the positioning die groove structure 3 is then welded by the welding device 7. The coil module components in the die groove structure 3 are welded into an integrated coil structure finished product, thus completing the automated assembly process of the conductive plate, contact piece and coil. The technical solution is adopted to position the conductive plate, contact piece and coil respectively through the positioning die groove, thereby ensuring the stability and reliability of the subsequent welding process, improving the product qualification rate, saving resources, and realizing intelligent and mechanized operation and control of the entire assembly process. No human operation is required, the assembly accuracy is high, the process layout is reasonable, the connection between the processes is smooth and the assembly efficiency is high, which not only ensures the product assembly quality but also reduces the labor cost, and has good market competitiveness.

[0072] Combine the following Figure 1-6 The specific setting method of the positioning assembly device is described in detail:

[0073] The positioning clamping device 2 includes an assembly table 21 that is pressurized and can float up and down on the circular turntable 11, and a positioning claw assembly that is driven and can move through the assembly table 21. The positioning mold groove structure 3 is formed between the hook end of the positioning claw assembly and the assembly table 21. The positioning mold groove structure 3 includes a first clamping groove 31 and a second clamping groove 32 that are arranged side by side on the positioning clamping device. The contact assembly device 4 and the conductive plate assembly device 5 respectively position the contact and the conductive plate into the first clamping groove 31 and the second clamping groove 32. The coil assembly device 6 positions the coil and installs it into the first clamping groove 31, so that the two ends of the coil are connected to the contact member and the guide plate to form the coil module assembly. This structural arrangement allows the positioning die groove structure to be freely switched between an open state and a tightened state according to the reciprocating movement of the positioning claw assembly on the assembly table 21. Under the control of the system program, when the positioning die groove structure expands its opening, corresponding parts can be loaded, and when the positioning die groove structure tightens its opening, it can clamp the parts inside, so the installation stability is good and the fit is reliable.

[0074] Combination Figure 3-6As shown, the positioning claw assembly includes a first positioning claw 22 and a second positioning claw 23 which extend out of the front end of the assembly platform 21 in the same direction, the first positioning claw 22 and the front end of the assembly platform 21 form the first clamping groove 31 opposite to each other, and the second positioning claw 23 and the front end of the assembly platform 21 form the second clamping groove 32 opposite to each other, and it is further provided that the first clamping groove 31 includes a lower cavity portion 311 for limiting and accommodating the contact member, and an upper cavity portion 312 connected to the upper part of the lower cavity portion in an arc shape, a limiting step for horizontally placing the contact member is provided in the lower cavity portion 311, and the opening diameter formed between the lower cavity portion 311 and the upper cavity portion 312 is smaller than the diameter of the coil, such a design can prevent the coil installed in the upper cavity portion 312 from falling into the lower cavity portion 311, but instead makes the two ends of the coil extend and abut against the conductive plate and the contact member. In summary, the conductive member is mounted in the second clamping groove 32, and the contact member and the coil are mounted in the lower cavity and the upper cavity formed in the first clamping groove 31 in a vertically opposite position. In order to respectively clamp and position the coil and the contact member in the upper cavity and the lower cavity, the positioning claw assembly further includes a third positioning claw 24 that can be movably extended between the assembly table 21 and the lower cavity 311, and the third positioning claw 24 is closely surrounded by the first positioning claw 22. In this structural arrangement, the three positioning claws are arranged according to the loading order. The actions are performed sequentially, that is, the contact piece loaded into the lower cavity of the first clamping groove 31 is first clamped by the third positioning claw 24, and then the conductive plate loaded into the second clamping groove 32 is clamped by the second positioning claw 23. At this time, the first positioning claw 22 can still be freely opened for the coil to be loaded. Finally, the coil in the upper cavity is clamped by the first positioning claw 22, so that the two ends of the coil are respectively connected to the conductive plate and the contact to form a coil module assembly. The coil module assembly has a positioning and assembly effect under the cooperation of the three positioning claws, and the design is reasonable and the assembly stability is good.

[0075] As a specific structural setting, the assembly platform 21 includes three mounting slide grooves that run through the front and rear ends thereof and are suitable for slidingly connecting the first positioning claw 22, the second positioning claw 23, and the third positioning claw 24. The positioning clamping device 2 includes a driving structure that drives the first positioning claw 22, the second positioning claw 23, and the third positioning claw 24 to reciprocate along the mounting slide grooves; the driving structure includes a cylinder structure 25 that is respectively connected to the first positioning claw, the second positioning claw, and the third positioning claw extending from the rear end of the assembly platform, and a cylinder structure 25 that is connected between the assembly platform 21 and the cylinder structure 25 and is used to drive the first positioning claw 22, the second positioning claw 23, and the third positioning claw after the cylinder structure unloads force. The reset spring assembly 26 for the reset movement of the third positioning claw 24 has the advantage that the cylinder structure drives the first positioning claw 22, the second positioning claw 23, and the third positioning claw 24 to move toward the front end of the assembly table, thereby expanding the openings of the first clamping groove and the second clamping groove. When the contact member, the conductive plate and the coil are respectively installed in the first clamping groove and the second clamping groove, the cylinder structure unloads the force, and the reset spring assembly 26 drives the first positioning claw 22, the second positioning claw 23, and the third positioning claw 24 to move toward the rear end of the assembly table, thereby realizing the reset movement process, so that the first clamping groove and the second clamping groove clamp the parts therein, with good clamping stability and reliable matching installation.

[0076] As a preferred embodiment, an elastic floating structure 27 is provided between the assembly platform 21 and the circular turntable 11. Figure 3-5The elastic floating structure includes a base 28, a guide structure, a spring component 273, and a limit seat 29, wherein the base 28 is arranged at the bottom of the assembly platform 21, and the guide structure includes a plurality of cylindrical cavities 271 relatively arranged between the assembly platform 21 and the base 28, and a plurality of guide positioning rods 272 passing through the plurality of cylindrical cavities 271 to connect the assembly platform and the base; the spring component 273 is accommodated in the cylindrical cavity 271 and is suitable for the guide positioning rod to pass through, and the spring component 273 applies a biasing force to the assembly platform 21 to move upward; the limit seat 29 is arranged on the circular turntable 11, and has a limit roller 291 pressed against the top of the assembly platform. The limit roller can not only limit the elastic floating of the assembly platform, reduce the friction between the two, but also keep the assembly platform in a horizontal state of balance. It can be known from the above structure that the spring component 273 is arranged in the cylindrical cavity between the assembly table and the base, and applies a biasing force to the assembly table to move up and down. The advantage of such a design is that the elastic floating function of the assembly table 21 under pressure is realized, especially when the welding device 7 presses against the coil module assembly for welding operation, the assembly table can be elastically sunk to reduce the impact force, and to a certain extent, the wear of the welding head of the welding device can be compensated, so that the welding head of the welding device maintains reliable contact with the coil module assembly, thereby ensuring stable and reliable welding quality.

[0077] In this embodiment, if Figure 1-2 As shown, the contact piece assembly device 4, the conductive plate assembly device 5 and the coil assembly device 6 respectively include: a feeding component, a positioning table structure 44 and a manipulator component 43, wherein the feeding component includes a feeding tray 41 and a vibrating feeding rail 42 connected to the feeding tray, and the vibrating feeding rail 42 extends toward one side of the circular turntable; the positioning table structure 44 is arranged at one end of the vibrating feeding rail 42, for receiving and positioning one of the conductive plates or contact pieces or coils on the vibrating feeding rail 42 to wait for assembly, and the positioning table structure 44 is usually provided with a limit groove or limit block matching the spare parts; the manipulator component 43 is installed on the fixed frame 1, for taking out the conductive plate or contact piece or coil on the positioning table structure and assembling them into the corresponding positioning mold groove structure. As can be seen from the above, the working principles of the contact assembly device 4, the conductive plate assembly device 5 and the coil assembly device 6 are generally the same. The feed tray 41 arranges and transports multiple materials through the vibrating feed rail 42, and then the front row of spare parts are positioned through the positioning table structure 44. This positioning table structure 44 is usually provided with limit grooves or limit blocks that match the spare parts. Finally, the robot assembly 43 clamps the spare parts and installs them on the assembly table.

[0078] Since there will be position deviation when the manipulator assembly places the parts in the positioning mold groove structure, there will be connection distance deviation between the conductive plate, contact member and coil constituting the coil module assembly. For this reason, a position adjustment mechanism 8 is provided between the circular turntable 11 and the coil assembly device 6. Figure 6 As shown, the position adjustment mechanism 8 includes two adjustment blocks 81 relatively arranged on both sides of the first clamping groove 31 and the second clamping groove 32, and a cylinder structure driving the two adjustment blocks 81 to move closer to or away from each other, one of the adjustment blocks 81 is opposite to one end of the contact piece extending out of the first clamping groove 31, and the other adjustment block 81 is opposite to one end of the conductive plate extending out of the second clamping groove 32. With this structural arrangement, when the length of the conductive plate and the contact piece extending out of the first clamping groove and the second clamping groove respectively exceeds a set range, the two adjustment blocks 81 are brought closer to each other to squeeze the conductive plate and the contact piece, so that the conductive plate and the contact piece move toward each other to adjust the connection distance between the two, thereby fine-tuning the connection position between the conductive plate and the contact piece, and ensuring that the size of the coil structure formed by welding the conductive plate, the contact piece and the coil meets the design requirements.

[0079] Combine the following Figure 1-2 , Figure 8 The specific setting method of the welding device is described in detail:

[0080] Two welding devices 7 are provided adjacent to each other after the process of the coil assembly device 6, and the two welding devices 7 are used to weld and fix the conductive plate and the contact piece to the two ends of the coil respectively; the welding device 7 comprises: a mounting bracket, a slider structure, a welding head component, a welding head cylinder and an elastic structure, wherein the mounting bracket 71 is fixed on the fixing frame 1; the slider structure 72 is movably connected to the mounting bracket 71 through a slide rail structure, and the slide rail structure comprises a guide slide rail provided on the mounting bracket, and a guide slide groove provided on the slider structure; the welding head component 73 is moved along the slider structure The movement direction of the structure is slidably connected to the slider structure 72, and the welding head component 73 is arranged toward the first clamping groove or the second clamping groove; the welding head cylinder 74 is arranged on the mounting bracket and connected to the slider structure, and drives the slider structure 72 to reciprocate along the extension direction of the slide rail structure to drive the welding head component 73 to press down against one end of the coil; the elastic structure 75 is connected between the slider structure 72 and the welding head component 73, and the welding head component 73 can move relative to the slider structure 72 by squeezing the elastic structure 75 when pressing the coil. The advantage of such a design is that when welding the coil module assembly, the slider structure drives the welding head component to move downward to press the coil under the drive of the welding head cylinder. To ensure sufficient welding contact force, the welding head component will continue to apply a large extrusion force to the coil of the assembly table during the pressing process. When the extrusion force is greater than the elastic pressure of the elastic structure 75, the welding head component 73 can move a certain distance relative to the slider structure by extruding the elastic structure 75. This can prevent the welding head component 73 from being deformed and damaged due to excessive hard extrusion of the coil caused by the slider structure 72. The elastic structure 75 plays a role of elastic buffering and energy storage for the welding head component, which can maintain the welding contact pressure between the welding head component and the coil, keep the welding head component in close contact with the coil module assembly, and have good welding stability. This improves the performance and service life of the welding device and ensures the welding quality of the coil structure.

[0081] As a specific structural setting, the elastic structure 75 is a pressure spring, and a connecting rod 76 passing through the pressure spring is arranged between the slider structure 72 and the welding head component 73. The connecting rod 76 is movably sleeved with an adjusting nut 77 restricted at the top of the pressure spring, and the pressure of the pressure spring can be adjusted by the adjusting nut 77.

[0082] The present embodiment provides an automated welding assembly system which also includes a discharge device 9 arranged after the process of the welding device, and an intelligent control device installed on the fixed frame, the intelligent control device includes an intelligent control console and a plurality of detection instruments 12, the plurality of detection instruments 12 are arranged on the circular turntable 11 in the order of the contact assembly device 4, the conductive plate assembly device 5, the coil assembly device 6, and the welding device 7, and the detection instrument 12 can be preferably a photoelectric detector or an infrared detector or a camera detector, which is used to detect whether the assembly table arriving at each process is equipped with corresponding parts, and when it is detected that the corresponding parts are missing on the assembly table, it can be judged as a defective product, and the next process assembly operation will be bypassed. It should be understood that the intelligent control console has a data information processing function, and it is used as the core to centrally control the coordinated and orderly cooperation of various devices in the automated welding assembly system through protocols or lines, so as to meet the assembly requirements of various assembly devices.

[0083] As a preferred embodiment, combined with Figure 1 , Figure 9-10 As shown, the discharging device 9 includes a discharging chute 91, a receiving chute box 92, an unqualified material box 93 and a discharging clamp mechanism 94, wherein the discharging chute 91 is arranged in an inclined state on the outer circumference of the circular turntable 11; the receiving chute box 92 is telescopically movably connected to the end of the discharging chute 91 facing the circular turntable, and has a material receiving state extending out of one end of the discharging chute 91, and an empty material state retracted into the discharging chute 91; the unqualified material box 93 is arranged below the receiving chute box 92; the discharging clamp mechanism 94 is used to take the finished coil structure from the assembly table 21 and transfer it to the receiving chute box 92 in the material receiving state, so that the finished coil structure slides along the discharging chute 91. When the assembly table rotates to the discharging device along with the circular turntable, the finished coil structure on the assembly table 21 is transferred to the receiving trough box 92 through the discharging claw mechanism 94, so that the finished coil structure slides along the discharging trough 91 to realize the finished product discharging process. When the intelligent control device detects that there is empty material or unqualified coil structure on the assembly table, it immediately controls the receiving trough box 92 to move from the receiving state to the empty state, so that a blanking gap is formed between the discharging trough 91 and the circular turntable 11, which is opposite to the unqualified material box 93 above and below. At this time, the unqualified coil structure is dropped into the unqualified material box 93 through the discharging claw mechanism 94, thereby realizing the distinction and sorting operation between qualified and unqualified coil structures, avoiding the confusion between qualified products and defective products, ensuring the accurate and orderly discharging of qualified products, and improving work efficiency.

[0084] As a specific structural setting, such as Fig.10As shown, the discharging clamp mechanism 94 includes two groups of clamp structures 941 arranged opposite to each other, and an intermediate accommodating area 942 formed between the two groups of clamp structures 941 and suitable for accommodating the coil. The two groups of clamp structures 941 are used to clamp the conductive plate and the contact member respectively. The two ends of the coil are respectively enclosed in the clamping groove formed by the two groups of clamp structures 941 to limit the coil from escaping from the intermediate accommodating area 942 from top to bottom, and the maximum diameter of the clamping groove is smaller than the diameter of the coil, so that the coil body is blocked by the clamping groove to prevent the coil from horizontally escaping from the clamping groove 943. With this structural arrangement, the discharging clamp mechanism 94 can clamp the finished coil structure that is welded into one, and can also clamp the conductive plate, contact member, coil and other components that are not welded into one. The design is reasonable and the matching is reliable. The contact member in this article is the static contact.

[0085] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. An automated welding assembly system for a coil structure, characterized in that: include: A fixed frame (1) on which a circular turntable (11) is rotatably arranged; A plurality of positioning and clamping devices (2) are spaced apart on the circular turntable (11) along the circumferential direction; the positioning and clamping devices (2) comprise a retractable and movable positioning die groove structure (3), the positioning die groove structure (3) having an open state in which its opening is expanded, and a tightened state in which its opening is reduced; A contact assembly device (4), a conductive plate assembly device (5) and a coil assembly device (6) are mounted on the fixing frame (1) and arranged around the circular turntable (11); assembly ends of the conductive plate assembly device (5), the contact assembly device (4) and the coil assembly device (6) are located on the circular turntable (11) and are used to respectively assemble the conductive plate, the contact member and the coil into the positioning die groove to form a coil module assembly; A welding device (7) is arranged on the outer circumference of the circular turntable (11) and is used to weld the coil module assembly consisting of the conductive plate, the contact piece and the coil in the positioning die groove structure (3) into an integrated coil structure finished product; The positioning clamping device (2) comprises an assembly table (21) which is arranged on the circular turntable (11) under pressure and can float up and down, and a positioning claw assembly which is driven and can move through the assembly table (21), and the positioning die groove structure (3) is formed between the bent hook end of the positioning claw assembly and the assembly table (21); The positioning die groove structure (3) comprises a first clamping groove (31) and a second clamping groove (32) arranged side by side on the positioning clamping device; the contact piece assembly device (4) and the conductive plate assembly device (5) respectively position and install the contact piece and the conductive plate into the first clamping groove (31) and the second clamping groove (32); the coil assembly device (6) position and installs the coil into the first clamping groove (31) so that two ends of the coil are connected to the contact piece and the guide plate to form the coil module assembly; The positioning claw assembly comprises a first positioning claw (22) and a second positioning claw (23) which extend in the same direction from the front end of the assembly platform (21); the first positioning claw (22) and the front end of the assembly platform (21) are opposite to each other to form the first clamping groove (31); the second positioning claw (23) and the front end of the assembly platform (21) are opposite to each other to form the second clamping groove (32); The first clamping groove (31) comprises a lower cavity (311) for limiting and accommodating the contact piece, and an upper cavity (312) connected to the upper part of the lower cavity in an arc shape, wherein a limiting step for horizontally placing the contact piece is provided in the lower cavity (311), and the opening formed between the lower cavity (311) and the upper cavity (312) has a smaller diameter than the coil; The positioning claw assembly further comprises a third positioning claw (24) which is movably inserted between the assembly platform (21) and the lower cavity (311), and the third positioning claw (24) is closely fitted and surrounded by the first positioning claw (22).

2. The automated welding assembly system for coil structures according to claim 1, characterized in that: The assembly platform (21) comprises three mounting slide grooves penetrating the front and rear ends thereof and adapted to slidably connect the first positioning claw (22), the second positioning claw (23) and the third positioning claw (24); the positioning clamping device (2) comprises a driving structure for driving the first positioning claw (22), the second positioning claw (23) and the third positioning claw (24) to reciprocate along the mounting slide grooves; the driving structure comprises a cylinder structure (25) respectively connected to the first positioning claw, the second positioning claw and the third positioning claw extending from the rear end of the assembly platform, and a return spring assembly (26) connected between the assembly platform (21) and the cylinder structure (25) and used for driving the first positioning claw (22), the second positioning claw (23) and the third positioning claw (24) to return to their original position after the cylinder structure releases force.

3. The automated welding assembly system for coil structures according to claim 2, characterized in that: An elastic floating structure (27) is provided between the assembly platform (21) and the circular turntable (11), and the elastic floating structure comprises: A base (28) is arranged at the bottom of the assembly platform (21). A guide structure comprising a plurality of cylindrical concave cavities (271) relatively arranged between the assembly platform (21) and the base (28), and a plurality of guide positioning rods (272) passing through the plurality of cylindrical concave cavities (271) to connect the assembly platform and the base; a spring component (273) accommodated in the cylindrical cavity (271) and adapted for the guide positioning rod to pass through, the spring component (273) applying a biasing force to the assembly platform (21) to move upward; A limiting seat (29) is arranged on the circular turntable (11), and has a limiting roller (291) pressed against the top of the assembly table.

4. The automated welding assembly system for coil structures according to any one of claims 1 to 3, characterized in that: The contact piece assembly device (4), the conductive plate assembly device (5) and the coil assembly device (6) respectively comprise: A feeding assembly, comprising a feeding tray (41) and a vibrating feeding rail (42) connected to the feeding tray, wherein the vibrating feeding rail (42) extends toward one side of the circular turntable; A positioning platform structure, arranged at one end of the vibrating feed rail (42), for receiving and positioning one of the conductive plates or contact members or coils on the vibrating feed rail (42) to wait for assembly; A robot assembly (43) is mounted on the fixing frame (1) and is used to remove the conductive plate, contact piece or coil on the positioning platform structure and assemble them into a corresponding positioning die groove structure.

5. The automated welding assembly system for coil structures according to claim 4, characterized in that: A position adjustment mechanism (8) is provided between the circular turntable (11) and the coil assembly device (6), the position adjustment mechanism (8) comprising two adjustment pressing blocks (81) relatively arranged on both sides of the first clamping groove (31) and the second clamping groove (32), and a cylinder structure for driving the two adjustment pressing blocks (81) to move closer to or away from each other, one of the adjustment pressing blocks (81) being opposite to one end of the contact member extending out of the first clamping groove (31), and the other adjustment pressing block (81) being opposite to one end of the conductive plate extending out of the second clamping groove (32).

6. The automated welding assembly system for coil structures according to any one of claims 1 to 3, characterized in that: Two welding devices (7) are provided adjacent to each other after the process of the coil assembly device, and the two welding devices (7) are used to respectively weld and fix the conductive plate and the contact piece to the two ends of the coil; the welding device comprises: A mounting bracket (71) fixed on the fixing frame (1); A slider structure (72) is movably connected to the mounting bracket (71) via a slide rail structure; A welding head component (73) is slidably connected to the slider structure (72) along a movement direction of the slider structure, and the welding head component (73) is arranged toward the first clamping groove or the second clamping groove; A welding head cylinder (74) is arranged on the mounting bracket (71) and connected to the slider structure (72), and drives the slider structure (72) to move back and forth along the extension direction of the slide rail structure, thereby driving the welding head component (73) to press down against one end of the coil; The elastic structure (75) is connected between the slider structure (72) and the welding head component (73); the welding head component (73) can move relative to the slider structure by squeezing the elastic structure (75) when the coil is pressed.

7. The automated welding assembly system for coil structures according to claim 6, characterized in that: The elastic structure (75) is a pressure spring, a connecting rod (76) passing through the pressure spring is provided between the slider structure (72) and the welding head component (73), and an adjusting nut (77) which is restricted at the top end of the pressure spring is movably sleeved on the connecting rod (76).

8. The automated welding assembly system for coil structures according to any one of claims 1 to 3, characterized in that: It also includes a discharging device (9) arranged after the process of the welding device (7), and an intelligent control device installed on the fixing frame, wherein the discharging device (9) includes: A discharge chute (91) is arranged in an inclined manner on one side of the outer circumference of the circular turntable (11); A material receiving chute box (92) is telescopically movably connected to one end of the material discharging chute (91) facing the circular turntable, and has a material receiving state extending out of one end of the material discharging chute (91), and an empty material state retracted into the material discharging chute (91); An unqualified material box (93) is arranged below the material receiving chute box (92); The material discharging clamp mechanism (94) is used to take the finished coil structure from the assembly table (21) and transfer it to a receiving trough box (92) in a receiving state, so that the finished coil structure slides along the material discharging trough.

9. The automated welding assembly system for coil structures according to claim 8, characterized in that: The discharge clamp mechanism (94) comprises two sets of clamp structures (941) arranged opposite to each other, and an intermediate accommodation area (942) formed between the two sets of clamp structures and suitable for accommodating the coil. The two sets of clamp structures (941) are used to clamp the conductive plate and the contact member respectively, and the two ends of the coil are respectively enclosed in clamping grooves formed by the two sets of clamp structures (941) to limit the coil from escaping from the intermediate accommodation area (942) from top to bottom.

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