CN113352017A

CN113352017A - Welding equipment

Info

Publication number: CN113352017A
Application number: CN202110711708.8A
Authority: CN
Inventors: 刘佐成; 张伟
Original assignee: Shenzhen Hengchuangjie Automation Technology Co ltd
Current assignee: Shenzhen Hengchuangjie Automation Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-09-07

Abstract

The application provides a welding apparatus, includes: a cabinet; the feeding device is arranged on one side of the cabinet; each welding device comprises a conveying mechanism, a clamping platform, a welding mechanism and a pay-off mechanism for supplying wires to the welding mechanism, the conveying mechanism, the clamping platform and the welding mechanism are installed in the cabinet, the pay-off mechanism is installed on the cabinet, and each conveying mechanism is arranged along a transmission path of the plate; and the blanking device is used for accommodating the plate and is arranged on the other side of the cabinet. The welding equipment adopts a plurality of welding devices, can realize continuous welding of various wires, and is favorable for improving the automation degree of welding and the welding efficiency; and the plate transfer can be reduced, the manual operation amount is favorably reduced, the pollution and the like in the plate transfer process are avoided, and the plate welding quality is favorably ensured.

Description

Welding equipment

Technical Field

The application belongs to the technical field of semiconductor processing equipment, and particularly relates to welding equipment.

Background

In the production process of a semiconductor device, an automatic welding device is needed to weld a lead from a chip to a pin, namely, two ends of the lead are welded to a chip leading-out electrode and the pin, the lead generally adopts an aluminum wire, a copper wire or a gold wire and the like, and a substrate frame for fixing the chip and the pin generally adopts a copper frame. In some semiconductor devices, wires with different specifications need to be welded, an existing automatic welding device usually collects a substrate frame and transfers the substrate frame to another welding device after one wire is welded, and then another wire is welded.

Disclosure of Invention

An object of the embodiment of this application is to provide a welding equipment to solve the technical problem that the welding equipment degree of automation that exists among the prior art is low.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is a welding apparatus including:

a cabinet;

the feeding device is used for supplying the plate and is arranged on one side of the cabinet;

the welding device comprises at least two welding devices, wherein each welding device comprises a conveying mechanism for conveying plates, a clamping platform for clamping and fixing the plates, a welding mechanism for welding wires on the plates and a pay-off mechanism for supplying the wires to the welding mechanism; the conveying mechanism comprises a guide rail group, a shifting rod for pushing the plate along the length direction of the guide rail group, a lifting driving assembly for driving the shifting rod to lift and a first pushing assembly for driving the lifting driving assembly to translate, the shifting rod is installed on the lifting driving assembly, the lifting driving assembly is installed on the first pushing assembly, and the first pushing assembly and the guide rail group are installed on the machine cabinet; and the number of the first and second groups,

and the blanking device is used for accommodating the plate and is arranged on the other side of the cabinet.

In one embodiment, the welding mechanism comprises:

a welding head;

the micro-lifting assembly comprises a first base for supporting the welding head, a second base, a guide rail assembly for connecting the first base and the second base, and a linear driver for driving the first base to lift, wherein the first base is connected with the linear driver, and the linear driver is arranged on the second base;

the rotating assembly is used for driving the second base to rotate so as to adjust the direction of the wire; and the number of the first and second groups,

the moving platform is used for driving the rotating assembly to move so as to adjust the spatial position of the welding head;

the second base is installed on the rotating assembly, the rotating assembly is installed on the moving platform, and the moving platform is installed in the cabinet.

In one embodiment, the clamping platform comprises:

the fixing frame is arranged on the machine cabinet;

the first lifting assembly comprises a first positioning table and a first sliding seat for supporting the first positioning table, and the first sliding seat is inserted into the fixed frame in a sliding manner;

the second lifting assembly comprises a second positioning table and a second sliding seat, the second positioning table is used for being matched with the first positioning table to clamp the plate, the second sliding seat supports the second positioning table, the second positioning table is arranged opposite to the first positioning table, and the second sliding seat is slidably arranged on the first sliding seat; and the number of the first and second groups,

the first driving assembly is used for driving the first sliding seat and the second sliding seat to be close to or far away from each other, the first driving assembly is connected with the first sliding seat and the second sliding seat, and the first driving assembly is installed on the fixing frame.

In one embodiment, the first driving assembly comprises a rotating shaft rotatably mounted on the fixed frame, a first eccentric wheel arranged on the rotating shaft, a second eccentric wheel arranged on the rotating shaft, and a driving motor for driving the rotating shaft to rotate, wherein the rotating shaft is connected with the driving motor, and the driving motor is mounted on the fixed frame; the center of the first eccentric wheel and the center of the second eccentric wheel are respectively arranged at two sides of the rotating shaft, a first abutting seat abutting against the first eccentric wheel is arranged on the first sliding seat, and a second abutting seat abutting against the second eccentric wheel is arranged on the second sliding seat.

In one embodiment, the first driving assembly further comprises a first tension spring for pulling the first sliding seat and the second sliding seat to enable the first abutting seat and the second abutting seat to abut against the first eccentric wheel and the second eccentric wheel respectively; two ends of the first tension spring are respectively connected with the first sliding seat and the second sliding seat.

In one embodiment, the pay-off mechanism comprises:

the vertical plate is arranged on the machine cabinet;

the pay-off shaft is used for supporting the wire coil and is arranged on the vertical plate;

the paying-off assembly comprises a driving wheel, a driven wheel and a paying-off driver, the driven wheel is used for clamping wires in a matched mode with the driving wheel, the paying-off driver is used for driving the driving wheel, the driving wheel is connected with the paying-off driver, and the driven wheel and the paying-off driver are installed on the vertical plate;

the detection assembly is used for detecting the position of the wire rod discharged by the pay-off assembly and is arranged on the vertical plate; and the number of the first and second groups,

the metering assembly is used for detecting the transmission length of the wire rod and is arranged on the vertical plate;

the pay-off shaft, the pay-off component, the detection component and the metering component are sequentially arranged along the wire transmission direction, and the pay-off shaft and the metering component are respectively positioned on two sides of the connecting line direction of the pay-off component and the metering component.

In one embodiment, the paying-off assembly further comprises a first swing arm, a second tension spring and a first support, wherein one end of the first swing arm is hinged to the vertical plate, the second tension spring is used for pulling the other end of the first swing arm towards the direction of the driving wheel, the first support is mounted on the vertical plate, the driven wheel is rotatably mounted on the first swing arm, the first support is located on one side, close to the driving wheel, of the first swing arm, and two ends of the second tension spring are connected with the first swing arm and the first support respectively.

In one embodiment, the metering assembly comprises a first roller, a second roller used for being matched with the first roller to clamp the wire, an encoder connected with the first roller and a mounting seat used for supporting the encoder, the second roller is rotatably mounted on the vertical plate, and the mounting seat is connected with the vertical plate.

In one embodiment, the detection assembly comprises a third base installed on the vertical plate, a sensor installed on the third base, and a limiting frame used for guiding the wire rod to pass through the sensor, the limiting frame is installed on the vertical plate, a first open groove used for allowing the wire rod to be movably placed in and a second open groove used for accommodating the third base and the sensor are formed in the limiting frame, and the second open groove penetrates through two sides of the limiting frame along the width direction of the first open groove.

In one embodiment, the welding device further comprises a conduit for guiding the wire rod to be conveyed from the pay-off mechanism to the welding mechanism, and two ends of the conduit are fixedly connected with the pay-off mechanism and the welding mechanism respectively.

The application provides a welding equipment's beneficial effect lies in: compared with the prior art, the welding equipment adopts a plurality of welding devices, can convey plates to corresponding clamping platforms in sequence through each conveying mechanism, and then weld corresponding wires on the plates through the corresponding welding mechanisms, can realize continuous welding of various wires, is favorable for improving the automation degree of welding and the welding efficiency; and the plate transfer can be reduced, the manual operation amount is favorably reduced, the pollution and the like in the plate transfer process are avoided, and the plate welding quality is favorably ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of a welding apparatus according to an embodiment of the present disclosure;

FIG. 2 is an internal structural view of a welding apparatus provided in an embodiment of the present application;

FIG. 3 is a schematic perspective view of the welding mechanism of FIG. 2;

FIG. 4 is a schematic perspective view of the micro-lift assembly and the bonding head;

FIG. 5 is a schematic perspective view of the rotary assembly, the micro-lift assembly and the welding head;

FIG. 6 is a schematic structural view of the conveying mechanism and the clamping platform in FIG. 2;

FIG. 7 is a schematic structural view of the clamping platform of FIG. 6;

FIG. 8 is an exploded view of the clamping platform of FIG. 7;

FIG. 9 is a schematic structural view of the shift lever, the lifting driving assembly and the first pushing assembly shown in FIG. 6;

FIG. 10 is a perspective view of the thread take-off mechanism of FIG. 2;

FIG. 11 is a schematic perspective view of the detection assembly of FIG. 10;

FIG. 12 is a schematic perspective view of the feeding device in FIG. 1;

fig. 13 is an exploded view of the charging device of fig. 12.

Wherein, in the figures, the respective reference numerals:

100-a cabinet;

200-a feeding device;

21-a storage bin; 2101-input channel; 2102-output channel; 2103-a feeding channel;

22-an input mechanism;

23-a feeding mechanism; 231-a first clamp arm; 232-a second drive assembly; 233-a second clamp arm; 234-a third drive assembly; 235-standing; 236-a slide rail; 237-a first slide; 238-a second slider;

24-an output mechanism;

25-a push plate mechanism; 251-a push rod; 252-a second propulsion assembly; 253-a bracket;

300-a welding device;

31-a conveying mechanism;

311-a set of rails; 3111-first transmission track; 3112-a second transmission track; 312-a deflector rod; 313-a lift drive assembly; 314-a first propulsion assembly;

32-a clamping platform;

321-a fixed frame; 3213-a first guide rail; 3214-a first slider;

322-a first lifting assembly; 3221-a first positioning table; 3222-a first slide; 3223-a first abutment; 3224-a second guide rail; 3225-a second slider;

323-a second lifting assembly; 3231-a second positioning stage; 3232-a second carriage; 3233-second abutment;

324-a regulating component;

325 — a first drive assembly; 3251-drive motor; 3252-shaft; 3253-a first eccentric; 3254-second eccentric; 3255-first tension spring;

33-a welding mechanism;

331-a mobile platform;

332-a rotating assembly;

333-micro lifting component; 3331-first base; 3332-guide rail assembly; 3333-a second base; 3334-linear drive;

334-a welding head; 3341-cleaver; 3342-ultrasonic generator;

34-a pay-off mechanism;

341-a vertical plate;

342-a pay-off shaft;

343-a pay-off assembly; 3431-driving wheel; 3432-driven wheel; 3433-pay-off drive; 3434-first swing arm; 3435-second extension spring; 3436-first seat;

344 — a detection component; 3441-limit rack; 3442-a sensor; 3443-third base; 3444-first slot; 3445-second grooving;

345-a metering assembly; 3451-first roller; 3452-second roller; 3454-second swing arm; 3455-third extension spring; 3456-second seat;

346-conduit;

400-a blanking device;

6-a material box; 61-a plate;

7-wire coil; 71-wire rod.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, fig. 2 and fig. 3 together, a welding apparatus according to an embodiment of the present application will now be described. The welding equipment comprises a cabinet 100, a feeding device 200, at least two welding devices 300 and a discharging device 400, wherein the feeding device 200 and the discharging device 400 are respectively installed on two sides of the cabinet 100, each welding device 300 is sequentially arranged along a transmission path of a plate 61, each welding device 300 is located between the feeding device 200 and the discharging device 400, and when the plate 61 sequentially passes through each welding device 300 through the feeding device 200, each welding device 300 can clamp and fix the plate 61 and weld a wire 71 on the plate 61. The welding device 300 is used for welding the wire 71 on the plate 61, the welding device 300 comprises a conveying mechanism 31, a clamping platform 32, a welding mechanism 33 and a paying-off mechanism 34, and the feeding device 200 is used for supplying the plate 61 to the conveying mechanism 31 and transmitting the plate 61 to the conveying mechanism 31; the conveying mechanism 31 is used for conveying the plate 61, the conveying mechanism 31 is installed in the cabinet 100, the conveying mechanism 31 can convey the plate 61 out of the cabinet 100 and convey the plate 61 to the blanking device 400, and the blanking device 400 is used for accommodating the plate 61; the conveying mechanism 31 is positioned between the feeding device 200 and the blanking device 400, the feeding device 200, the plurality of conveying mechanisms 31 and the blanking device 400 form a conveying path of the plate 61, and the plurality of conveying mechanisms 31 convey the plate 61 from the feeding device 200 to the blanking device 400, so that the plate 61 is continuously conveyed; clamping platforms 32 are installed in cabinet 100, each clamping platform 32 is located on the conveying path of corresponding conveying mechanism 31, clamping platform 32 is used for clamping and fixing plate 61 on conveying mechanism 31, when plate 61 conveyed by conveying mechanism 31 passes through clamping platform 32, clamping platform 32 can clamp and fix plate 61 so as to weld wire 71, and multiple clamping platforms 32 provide multiple stations for welding wire 71 so as to weld multiple wires 71. The pay-out mechanism 34 is mounted on the cabinet 100, the pay-out mechanism 34 is used for releasing the coils 7 to supply the wires 71 to the welding mechanisms 33, and the plurality of pay-out mechanisms 34 can release different kinds of coils 7 to supply the corresponding wires 71 to the corresponding welding mechanisms 33, respectively. The welding mechanism 33 is installed in the cabinet 100, the welding mechanism 33 is located above the clamping platform 32, the welding mechanism 33 is used for welding the wire 71 provided by the paying-off mechanism 34 on the plate 61 fixed by the clamping platform 32, and when the clamping platform 32 clamps the plate 61, the welding mechanism 33 can weld the wire 71 on the plate 61.

In this embodiment, the plate 61 is conveyed to the conveying mechanism 31 in the cabinet 100 through the feeding device 200, and the conveying mechanism 31 sequentially conveys the plate 61 toward the blanking device 400, so that the plate 61 sequentially passes through the plurality of clamping platforms 32. As the plate 61 passes through the clamping platform 32, the clamping platform 32 can clamp and fix the plate 61 so that the corresponding welding mechanism 33 can weld the corresponding wire 71 to the plate 61; then, the clamping platform 32 releases the plate 61, and the conveying mechanism 31 conveys the plate 61 to the next conveying mechanism 31, so that different kinds of wires 71 can be welded to the plate 61 by the plurality of welding devices 300, and the situation that after one kind of wires 71 is welded, the plate 61 is received, and then the plate 61 is transferred to be welded with the next kind of wires 71 is avoided. Thus being beneficial to improving the automation degree of welding and improving the welding efficiency; and can reduce the transfer of plate 61, be favorable to reducing the manual work volume, avoid transferring in-process at plate 61 and pollute etc. is favorable to guaranteeing plate 61's welding quality.

Further, loading attachment 200, paying out machine 34 and unloader 400 are located outside cabinet 100, are convenient for change magazine 6 and coil of wire 7 like this, avoid cabinet 100 to open, are favorable to guaranteeing the interior welded quality of cabinet 100.

In an embodiment of the present application, referring to fig. 1, 6 and 9, the conveying mechanism 31 includes a guide rail set 311, a shift lever 312, a lifting driving assembly 313 and a first pushing assembly 314, the guide rail set 311 is installed on the cabinet 100, the shift lever 312 is installed on the lifting driving assembly 313, and the lifting driving assembly 313 is used for driving the shift lever 312 to lift, so that the shift lever 312 can contact with or separate from the plate 61 in the guide rail set 311; the lifting driving assembly 313 is mounted on a first pushing assembly 314, the first pushing assembly 314 is used for driving the lifting driving assembly 313 to translate, the first pushing assembly 314 is mounted on the cabinet 100 and can push the plate 61 to translate when the lifting lever 312 is in contact with the plate 61, and the lifting lever 312 can translate and reset when the lifting lever 312 is lifted.

Optionally, the first propelling assembly 314 includes a first driving gear, a first driven gear, a first synchronous belt and a translation motor, the first driven gear is rotatably installed on the cabinet 100, the first synchronous belt connects the first driving gear and the first driven gear, the first driving gear is connected to the translation motor, the translation motor drives the first driving gear to rotate, and the lifting driving assembly 313 is connected to the first synchronous belt. When the translation motor rotates, the first driving gear rotates to drive the first synchronous belt to move, and the first synchronous belt drives the lifting driving assembly 313 to translate. Optionally, a third sliding block is installed on the first synchronous belt, a third guide rail is installed on the cabinet 100, the third guide rail is slidably connected with the third sliding block, and the lifting driving assembly 313 is installed on the third sliding block. Therefore, the lifting driving assembly 313 can be ensured to move linearly by matching the third guide rail with the third sliding block, and the shifting rod 312 can be controlled to move horizontally by adopting gear transmission.

In one embodiment, referring to FIG. 9, the lift actuator assembly 313 includes a mounting base, a lift actuator mounted on the mounting base, and a support arm supporting the toggle lever 312, the support arm being coupled to the lift actuator, the mounting base being coupled to the first propulsion assembly 314. This enables the lifting and lowering movement of the lever 312. Optionally, a fixed seat is connected to the lifting drive and the toggle 312, and the fixed seat is slidably connected to the arm, which facilitates stable movement of the toggle 312. The lift driver may be a voice coil motor or the like.

In an embodiment of the present application, please refer to fig. 6 and 9, the guide rail set 311 includes a first transmission rail 3111 and a second transmission rail 3112, the second transmission rail 3112 is disposed in parallel with the first transmission rail 3111, the first transmission rail 3111 is provided with a first sliding slot, the second transmission rail 3112 is provided with a second sliding slot, the first sliding slot is used for allowing one side of the plate 61 to slide and insert, and the second sliding slot is used for allowing the other side of the plate 61 to slide and insert; the second transmission rail 3112 is provided with an elastic member, the elastic member is located in the second sliding slot, and the elastic member is used for elastically pushing the plate 61 towards the first transmission rail 3111. Therefore, the plate 61 can be guided to move linearly by matching the first sliding groove on the first transmission rail 3111 with the second sliding groove on the second transmission rail 3112, and the plate 61 can be abutted against the first transmission rail 3111 by pushing the plate 61 through the elastic member. The positioning of plate 61 of being convenient for like this, and be favorable to increasing the cross-sectional area of first spout and second spout, make things convenient for the slip of plate 61. Optionally, the elastic component includes butt head, shell fragment and connecting block, and the butt head stretches into in the second spout, and butt head and connecting block are connected to the shell fragment, and the connecting block is installed on second transmission rail 3112. One side of the abutting head close to the first transmission rail 3111 is arc-shaped. This can facilitate the installation of the elastic member, and can reduce the friction between the plate member 61 and the elastic member.

Alternatively, the plurality of guide rail sets 311 are arranged in a linear arrangement, and the feeding device 200 and the discharging device 400 are respectively disposed at two ends of the plurality of guide rail sets 311. This enables the linear transfer of the plate 61.

In one embodiment, referring to fig. 3 to 5 together, the welding mechanism 33 includes a welding head 334, a micro-lift assembly 333, a rotating assembly 332, and a moving platform 331, wherein the welding head 334 is used for welding the wire 71 on the plate 61, the welding head 334 is mounted on the micro-lift assembly 333, the micro-lift assembly 333 includes a first base 3331, a second base 3333, a guide rail assembly 3332, and a linear actuator 3334, the first base 3331 supports the welding head 334, the guide rail assembly 3332 connects the first base 3331 and the second base 3333, and can ensure that the first base 3331 and the second base 3333 move linearly, the linear actuator 3334 is mounted on the second base 3333, the first base 3331 is connected with the linear actuator 3334, and the linear actuator 3334 is used for driving the first base 3331 to move up and down to make the welding head 334 contact with or leave the welding position; the rotating assembly 332 is configured to drive the second base 3333 to rotate, so that the welding head 334 moves along an arc track, the wire 71 moves to an adjacent welding position on the plate 61, and the direction of the wire 71 is adjusted; the moving platform 331 is used for driving the rotating assembly 332 to move so as to adjust the spatial position of the welding head 334, so that the micro lifting assembly 333 and the rotating assembly 332 drive the welding head 334 to contact with the welding position; the second base 3333 is mounted on the rotating assembly 332, and the rotating assembly 332 is mounted on the moving platform 331. The guide rail assembly 3332 can prevent the linear driver 3334 from moving or being worn by the action force in the horizontal direction, and can reduce the resistance of the linear driver 3334 in the lifting process of the welding head 334, so that the precision of the moving position of the welding head 334 is improved, and the welding quality is guaranteed.

Optionally, guide assembly 3332 is a cross roller guide, which has high precision, low resistance, and good wear resistance, and is beneficial to reducing the swing amplitude of linear actuator 3334. The number of the guide rail assemblies 3332 is two, and the two guide rail assemblies 3332 are respectively arranged on two opposite sides of the first base 3331, which is beneficial to improving the stability. Alternatively, linear actuator 3334 may be a voice coil motor.

Alternatively, referring to fig. 3, the moving platform 331 is a three-axis moving platform, and can drive the rotating assembly 332 to move along the X-axis, the Y-axis and the Z-axis.

In one embodiment, referring to fig. 4 and 5, the welding head 334 includes a riving knife 3341 and a sonotrode 3342, the riving knife 3341 is coupled to the sonotrode 3342, and the sonotrode 3342 is mounted on the first base 3331. This enables ultrasonic waves to be transmitted to the riving knife 3341 using the ultrasonic generator 3342, and the wire 71 to be welded in place by the riving knife 3341 contacting the wire 71.

In an embodiment, referring to fig. 6 to 8 together, the clamping platform 32 includes a fixing frame 321, a first lifting assembly 322, a second lifting assembly 323 and a first driving assembly 325, the fixing frame 321 is installed on the cabinet 100, the first lifting assembly 322 includes a first positioning table 3221 and a first sliding seat 3222, the second lifting assembly 323 includes a second positioning table 3231 and a second sliding seat 3232, the second positioning table 3231 is disposed opposite to the first positioning table 3221, the second positioning table 3231 is configured to cooperate with the first positioning table 3221 to clamp the plate 61, the first sliding seat 3222 supports the first positioning table 3221, the second sliding seat 3232 supports the second positioning table 3231, the first sliding seat 322 is slidably inserted into the fixing frame 321, and the second sliding seat 3232 is slidably installed on the first sliding seat 3222; the first driving assembly 325 is used for driving the first slide seat 3222 and the second slide seat 3232 to move close to or away from each other, so as to drive the first positioning table 3221 and the second positioning table 3231 to clamp or release the plate 61; the first driving assembly 325 is connected to the first sliding seat 3222 and the second sliding seat 3232, and the first driving assembly 325 is mounted on the fixing frame 321, so that the start-stop position can be fixed relative to the fixing frame 321 in the moving process of the first sliding seat 3222 and the second sliding seat 3232, that is, the first positioning table 3221 and the second positioning table 3231 can be close to or far away from each other relative to the clamping position of the plate 61. This enables the plate 61 to be gripped and released, and prevents the first positioning stage 3221 and the second positioning stage 3231 from interfering with the transportation of the plate 61. By using a set of first driving assembly 325 to drive the first slider 3222 and the second slider 3232 to move relative to each other, the number of the first driving assembly 325 can be reduced, thereby reducing the equipment cost, reducing the power consumption, and facilitating the reduction of the workload of equipment maintenance. Further, since the first slide seat 3222 and the second slide seat 3232 are driven to approach or separate from each other by the set of the first driving assembly 325, the first driving assembly 325 is mounted on the fixing frame 321, so that the first slide seat 3222 and the second slide seat 3232 can be controlled to move and stop at the same time, and the accuracy of the clamping position of the plate 61 can be improved.

In one embodiment, referring to fig. 7 and 8, the first driving assembly 325 includes a rotating shaft 3252, a first eccentric wheel 3253, a second eccentric wheel 3254 and a driving motor 3251, the rotating shaft 3252 is rotatably mounted on a fixing frame 321, the first eccentric wheel 3253 and the second eccentric wheel 3254 are disposed on the rotating shaft 3252, the driving motor 3251 is connected to the rotating shaft 3252, the driving motor 3251 is used for driving the rotating shaft 3252 to rotate, and the driving motor 3251 is mounted on the fixing frame 321; the center (the center of a circumscribed circle) of the first eccentric wheel 3253 and the center (the center of a circumscribed circle) of the second eccentric wheel 3254 are respectively deviated to two sides of the rotating shaft 3252, a first abutting seat 3223 is mounted on the first sliding seat 3222, the first abutting seat 3223 is connected with the first eccentric wheel 3253 in an abutting mode, the second abutting seat 3233 is connected with the second eccentric wheel 3254 in an abutting mode, the first abutting seat 3223 is located on one side, close to the first positioning table 3221, of the rotating shaft 3252, and the second abutting seat 3233 is located on the other side of the rotating shaft 3252. When the driving motor 3251 drives the rotating shaft 3252 to rotate, the first eccentric wheel 3253 and the second eccentric wheel 3254 can respectively drive the first abutting seat 3223 and the second abutting seat 3233 to move simultaneously, and the moving directions of the first abutting seat 3223 and the second abutting seat 3233 are opposite, so that the first positioning table 3221 and the second positioning table 3231 can be driven to clamp or release the plate 61.

Optionally, a first bearing is rotatably mounted on the first abutting seat 3223, and the first bearing is connected to the first eccentric 3253 in an abutting manner. The first bearing can be in rolling fit with the first eccentric cam 3253, which can reduce the resistance of the rotation of the rotating shaft 3252, and is beneficial to reducing the abrasion on the surface of the first eccentric cam 3253.

Optionally, the first abutting seat 3223 is slidably connected to the first sliding seat 3222, the first abutting seat 3223 is slidable on the first sliding seat 3222 in a direction approaching to or departing from the rotating shaft 3252, and a first fastening member is further mounted on the first abutting seat 3223, and the first fastening member is configured to lock the first abutting seat 3223 and the first sliding seat 3222 in position. Thus, the distance from the first bearing to the first eccentric wheel 3253 can be adjusted, so as to adjust the lifting height of the first positioning table 3221; and the processing precision of parts is favorably reduced, and the influence of abrasion is eliminated.

Optionally, a third sliding groove is formed in the first sliding seat 3222, the first abutting seat 3223 is slidably mounted in the third sliding groove, a first strip-shaped hole is formed in the first abutting seat 3223, and the first strip-shaped hole is arranged along the length direction of the third sliding groove; the first fastening piece is inserted in the first strip-shaped hole in a sliding mode, and the first fastening piece can be a bolt. The third sliding groove can limit the first abutting seat 3223 from moving left and right, which is convenient for the adjustment of the first abutting seat 3223.

Optionally, a first adjusting screw is installed on the first sliding seat 3222, the first adjusting screw is located at one end of the first abutting seat 3223 away from the rotating shaft 3252, the first adjusting screw is used for stopping and positioning the first abutting seat 3223 so as to control the position of the first abutting seat 3223, and the first adjusting screw is arranged along the length direction of the third sliding groove. Therefore, the adjustment precision of the position of the first abutting seat 3223 can be accurately controlled through the first adjusting screw, and the first adjusting screw can abut against the first abutting seat 3223, which is beneficial to keeping the position of the first abutting seat 3223 stable.

Optionally, a second bearing is rotatably mounted on the second abutment 3233, and the second bearing is connected in abutment with the second eccentric 3254. Thus, the second bearing is in contact with the second eccentric 3254, and the second bearing is in rolling engagement with the second eccentric 3254, so that the resistance to rotation of the rotating shaft 3252 can be reduced, and the wear can be reduced.

In one embodiment, referring to fig. 7 and 8, the first driving assembly 325 further includes a first tension spring 3255, the first tension spring 3255 is configured to pull the first sliding seat 3222 and the second sliding seat 3232 to approach each other, so that the first abutting seat 3223 and the second abutting seat 3233 respectively approach the rotating shaft 3252, and the first abutting seat 3223 is driven to abut against the first eccentric 3253, and the second abutting seat 3233 abuts against the second eccentric 3254; the first tension spring 3255 has two ends connected to the first slider 3222 and the second slider 3232, respectively. In this way, the first bearing can be held in contact with the first eccentric 3253, and the second bearing can be held in contact with the second eccentric 3254, so that when the first positioning stage 3221 is separated from the second positioning stage 3231, the second positioning stage 3231 is raised as much as possible, thereby preventing the second positioning stage 3231 from interfering with the transmission of the plate 61. Alternatively, the number of the first extension springs 3255 may be plural, which is advantageous for improving stability.

In one embodiment, referring to fig. 7 and 8, an adjusting assembly 324 is mounted on the second lifting assembly 323, the adjusting assembly 324 is used for adjusting a distance between the second positioning platform 3231 and the second slide carriage 3232, the adjusting assembly 324 includes a support seat slidably connected to the second slide carriage 3232 and a second fastening member for locking the position of the support seat with the second slide carriage 3232, and the second positioning platform 3231 is mounted on the support seat. The second fastener can be a bolt, and the height adjustment is realized through the cooperation of the screw rod and the strip-shaped hole in the supporting seat.

Optionally, the adjusting assembly 324 further includes a second adjusting screw, one end of the second adjusting screw is in threaded connection with the second slide 3232, and the other end of the second adjusting screw is in limit connection or abutting connection with the support seat to position the height of the support seat.

Optionally, a first sliding block 3214 is installed on the first sliding seat 3222, a first guiding rail 3213 is installed on the fixed frame 321, and the first sliding block 3214 is slidably connected to the first guiding rail 3213. Optionally, a second sliding block 3225 is mounted on the second sliding seat 3232, a second guiding rail 3224 is mounted on the first sliding seat 3222, and the second sliding block 3225 is slidably connected to the second guiding rail 3224. This guides the first slider 3222 and the second slider 3232 to move linearly.

In one embodiment, referring to fig. 2, 10 and 11 together, the paying-off mechanism 34 includes a vertical plate 341, a paying-off shaft 342, a paying-off assembly 343, a detecting assembly 344 and a metering assembly 345, the vertical plate 341 is installed on the cabinet 100, the paying-off shaft 342 is used for supporting the reel 7, and the paying-off shaft 342 is installed on the vertical plate 341. The wire releasing assembly 343 comprises a driving wheel 3431, a driven wheel 3432 and a wire releasing driver 3433, wherein the driven wheel 3432 is used for clamping the wire 71 in cooperation with the driving wheel 3431, the wire releasing driver 3433 is used for driving the driving wheel 3431 to rotate so as to drive the wire 71 to move, the driving wheel 3431 is connected with the wire releasing driver 3433, the driven wheel 3432 is rotatably mounted on the vertical plate 341, and the wire releasing driver 3433 is mounted on the vertical plate 341. The detection assembly 344 is used for detecting the position of the wire rod 71 paid out by the pay-off assembly 343, and the detection assembly 344 is mounted on the vertical plate 341. The metering assembly 345 is used for detecting the length of the wire 71, and the metering assembly 345 is mounted on the vertical plate 341. The pay-off shaft 342, the pay-off assembly 343, the detection assembly 344 and the metering assembly 345 are sequentially arranged along the transmission direction of the wire 71. Wherein, the detection assembly 344 is located on one side of a connecting line between the pay-off assembly 343 and the metering assembly 345, which is far away from the pay-off shaft 342, and the wire 71 is in an arc shape among the pay-off assembly 343, the detection assembly 344 and the metering assembly 345. The driving wheel 3431 and the driven wheel 3432 are matched to clamp the wire 71 for transmission, so that the releasing speed and the releasing position of the wire 71 can be accurately controlled, the metering component 345 can accurately control the output position of the wire 71, the detection component 344 can control the position of the wire 71 between the metering component 345 and the wire releasing component 343, the arc formed by the wire 71 between the wire releasing component 343 and the metering component 345 can be accurately controlled, the transmission length of the wire 71 is accurately controlled, the abrasion of the wire 71 due to the contact between the wire 71 and equipment caused by the change of the length and the position of the wire 71 is avoided, the surface abrasion of the wire 71 is favorably prevented, and the welding quality is improved.

In one embodiment, referring to fig. 10, the wire releasing assembly 343 further includes a first swing arm 3434, a second tension spring 3435 and a first support 3436, wherein one end of the first swing arm 3434 is hinged to the vertical plate 341, the driven wheel 3432 is rotatably mounted at the other end of the first swing arm 3434, the second tension spring 3435 is configured to pull the other end of the first swing arm 3434 toward a direction close to the driving wheel 3431, so that the driven wheel 3432 abuts against the driving wheel 3431, the first support 3436 is mounted on the vertical plate 341, the first support 3436 is located at a side of the first swing arm 3434 close to the driving wheel 3431, one end of the second tension spring 3435 is connected to a middle portion of the first swing arm 3434, and the other end of the second tension spring 3435 is connected to the first support 3436.

In one embodiment, referring to fig. 10, the metering assembly 345 includes a first roller 3451, a second roller 3452, an encoder and a mounting seat, the second roller 3452 is used for cooperating with the first roller 3451 to clamp the wire 71, the encoder is connected to the first roller 3451, the mounting seat supports the encoder, the second roller 3452 is rotatably mounted on the vertical plate 341, and the mounting seat is fixedly connected to the vertical plate 341. When the wire 71 moves, the first roller 3451 and the second roller 3452 can be driven to rotate, and then the encoder is driven, so that the output length of the wire 71 can be accurately measured. Moreover, the output position of the wire 71 can be kept fixed, and the wire 71 is prevented from being abraded due to the fact that the wire 71 is released due to the movement of the output position of the wire 71.

In an embodiment of the present application, referring to fig. 10, the metering assembly 345 further includes a second swing arm 3454, a third tension spring 3455 and a second support 3456, one end of the second swing arm 3454 is hinged to the vertical plate 341, the second roller 3452 is rotatably mounted at the other end of the second swing arm 3454, and the third tension spring 3455 is configured to pull the other end of the second swing arm 3454 toward a direction close to the first roller 3451, so that the second roller 3452 abuts against the first roller 3451, and the wire 71 passing through the first roller 3451 and the second roller 3452 is clamped. The second support 3456 is mounted on the vertical plate 341, the second support 3456 is located on a side of the second swing arm 3454 away from the first roller 3451, one end of a third tension spring 3455 is connected to the middle of the second swing arm 3454, and the other end of the third tension spring 3455 is connected to the second support 3456.

In one embodiment, referring to fig. 10 and 11, the detecting assembly 344 includes a third base 3443, a sensor 3442 and a position-limiting frame 3441, the third base 3443 is mounted on the vertical plate 341, the sensor 3442 is mounted on the third base 3443, the sensor 3442 is used for sensing the wire 71, the position-limiting frame 3441 is mounted on the vertical plate 341, and the position-limiting frame 3441 is used for guiding the wire 71 to pass through the sensor 3442. The position-limiting frame 3441 is provided with a first slot 3444 and a second slot 3445, the first slot 3444 is used for accommodating the wire 71, the second slot 3445 is used for accommodating the third base 3443 and the sensor 3442, the second slot 3445 is located in the middle of the first slot 3444, and the second slot 3445 penetrates through two sides of the position-limiting frame 3441 along the width direction of the first slot 3444. The position-limiting frame 3441 can control the transmission path of the wire 71, so that the wire releasing assembly 343 can be controlled to release the wire in time when the sensor 3442 senses the wire 71.

In one embodiment, the welding apparatus further comprises a conduit 346, the conduit 346 being for guiding the wire 71 from the gauge assembly 345 to the welding head 334, one end of the conduit 346 being fixed to the riser 341 and the other end of the conduit 346 being fixed to the welding head 334. Therefore, the direction and the length of the wire 71 between the metering assembly 345 and the welding head 334 can be controlled, the wire 71 can be protected, and the wire 71 can be prevented from swinging and being scratched. Optionally, the conduit 346 is a nylon tube, which advantageously reduces the transmission resistance and facilitates the transmission of the wire 71.

In one embodiment, referring to fig. 2, 12 and 13 together, the feeding device 200 includes a bin 21, an input mechanism 22, a feeding mechanism 23, a push plate mechanism 25 and an output mechanism 24, the bin 21 is connected to the cabinet 100, the bin 21 has an input channel 2101, an output channel 2102 and a feeding channel 2103, the input channel 2101 is used for storing a cartridge 6, the output channel 2102 is used for storing the cartridge 6, the input channel 2101 is arranged side by side with the output channel 2102, and the feeding channel 2103 communicates one end of the input channel 2101 with a corresponding end of the output channel 2102. Input mechanism 22 is used for conveying magazine 6 along input channel 2101 to transfer magazine 6 that deposited in input channel 2101 to feed channel 2103, and input mechanism 22 is installed on feed bin 21, and feed mechanism 23 is used for conveying magazine 6 along feed channel 2103 to export plate 61 in magazine 6 to conveyor 31, and feed mechanism 23 is installed on output mechanism 24, and output mechanism 24 is used for driving feed mechanism 23 to move along the length direction of input channel 2101 and output channel 2102 to convey magazine 6 to output channel 2102. The push plate mechanism 25 is used for pushing the plate 61 in the magazine 6 into the conveying mechanism 31, and the push plate mechanism 25 is mounted on the bin 21. Thus, when the feeding mechanism 23 moves the magazine 6 to pass the push plate mechanism 25, the push plate mechanism 25 can transfer the plate 61 to the conveying mechanism 31. The output mechanism 24 is installed on the stock bin 21, and the feeding mechanism 23 is installed on the output mechanism 24. A plurality of cartridges 6 can be loaded into the input path 2101, automatic transfer of the cartridges 6 is achieved by the input mechanism 22, automatic feeding of the plates 61 in the cartridges 6 is achieved by the feeding mechanism 23, and empty cartridges 6 can be transferred to the output path 2102 for storage. Can realize the automatic transmission of magazine 6 and the automatic feeding of plate 61 like this, the change frequency of reducible magazine 6 reduces manual work frequency, is favorable to reducing the manual work.

In an embodiment of the present application, referring to fig. 2, 12 and 13, the push plate mechanism 25 includes a push rod 251, a second pushing assembly 252 and a support 253, the push rod 251 can push the plate 61 in the magazine 6 into the guide set 311, the second pushing assembly 252 drives the push rod 251 to move, and the support 253 supports the second pushing assembly 252, so that the plate 61 in the magazine 6 can be automatically output through the push plate mechanism 25.

Optionally, referring to fig. 12 and 13, the second propelling assembly 252 includes a second driving gear, a second driven gear, a second synchronous belt and a propelling motor, the propelling driven gear is rotatably mounted on the bracket 253, the second synchronous belt is connected to the second driving gear and the second driven gear, the propelling motor is configured to drive the second driving gear to rotate, the second driving gear is connected to the propelling motor, the propelling motor is mounted on the bracket 253, and the push rod 251 is connected to the second synchronous belt. The distance of the movement of the push rod 251 can be accurately controlled by driving the second driving gear to rotate through the propelling motor, and the stroke of the push rod 251 can be conveniently adjusted. Of course, the second propulsion assembly 252 may also employ a pneumatic cylinder or a linear motor, etc.

In an embodiment, referring to fig. 12 and 13, the feeding mechanism 23 includes a first clamping arm 231, a second clamping arm 233, a second driving assembly 232, and a third driving assembly 234, the second driving assembly 232 is configured to drive the first clamping arm 231 to move up and down, the first clamping arm 231 is installed on the second driving assembly 232, the second clamping arm 233 is configured to cooperate with the first clamping arm 231 to clamp the magazine 6, the second clamping arm 233 is disposed opposite to the first clamping arm 231, the third driving assembly 234 is configured to drive the second clamping arm 233 to move up and down, the second clamping arm 233 is installed on the third driving assembly 234, the third driving assembly 234 is installed on the first clamping arm 231, and the second driving assembly 232 is connected to the output mechanism 24. Thus, the magazine 6 can be clamped, and the up-and-down movement of the magazine 6 can be realized. Alternatively, the second driving assembly 232 may be driven by a motor to move linearly, and the third driving assembly 234 may be driven by a motor to move linearly.

In an embodiment, referring to fig. 12 and 13, the feeding mechanism 23 further includes a vertical frame 235, a slide rail 236, a first slide block 237 and a second slide block 238, the vertical frame 235 is connected to the output mechanism 24, the vertical frame 235 supports the second driving assembly 232, the slide rail 236 is disposed on the vertical frame 235, the slide rail 236 is disposed along the length direction of the feeding channel 2103, the first slide block 237 and the second slide block 238 are respectively slidably disposed on the slide rail 236, the first slide block 237 is fixedly connected to the first clamping arm 231, and the second slide block 238 is fixedly connected to the second clamping arm 233. In this way, the sliding rail 236 cooperates with the first slider 237 and the second slider 238, so that the stability of the feeding mechanism 23 can be improved, and the resistance to rotation of the second driving assembly 232 and the third driving assembly 234 can be reduced. Optionally, the stand 235 is slidably connected to the bin 21, which is beneficial to improving the stability of the stand 235. The output mechanism 24 may be a linear motion by a motor driven ball screw. The front end of the first clamping arm 231 and the bottom of one end of the output channel 2102 can be matched through a cross structure, so that the magazine 6 can be transferred.

In one embodiment, the input mechanism 22 may be a motor to drive the roller to move a belt, which is used to transport the magazine 6.

In an embodiment of the present application, referring to fig. 1 and fig. 2, the blanking device 400 may have the same structure as the loading device 200, or may be composed of a part of the loading device 200 except for the pushing plate mechanism 25.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. Welding apparatus, characterized in that includes:

a cabinet;

the welding device comprises at least two welding devices, each welding device comprises a conveying mechanism for conveying the plate, a clamping platform for clamping and fixing the plate, a welding mechanism for welding a wire on the plate and a pay-off mechanism for supplying the wire to the welding mechanism, the conveying mechanism, the clamping platform and the welding mechanism are installed in the machine cabinet, the pay-off mechanism is installed on the machine cabinet, and each conveying mechanism is arranged along a conveying path of the plate; the conveying mechanism comprises a guide rail group, a shifting rod, a lifting driving assembly and a first pushing assembly, wherein the shifting rod is used for pushing the plate along the length direction of the guide rail group, the lifting driving assembly is used for driving the shifting rod to lift, the first pushing assembly is used for driving the lifting driving assembly to translate, the shifting rod is installed on the lifting driving assembly, the lifting driving assembly is installed on the first pushing assembly, and the first pushing assembly and the guide rail group are installed on the machine cabinet; and the number of the first and second groups,

2. The welding apparatus of claim 1, wherein the welding mechanism comprises:

a welding head;

the micro-lifting assembly comprises a first base, a second base, a guide rail assembly and a linear driver, wherein the first base supports the welding head, the second base is connected with the first base and the second base, the linear driver is used for driving the first base to lift, the first base is connected with the linear driver, and the linear driver is installed on the second base;

the second base is mounted on the rotating assembly, the rotating assembly is mounted on the moving platform, and the moving platform is mounted in the cabinet.

3. The welding apparatus of claim 1, wherein the clamping platform comprises:

the fixing frame is arranged on the machine cabinet;

the second lifting assembly comprises a second positioning table and a second sliding seat, the second positioning table is used for being matched with the first positioning table to clamp the plate, the second sliding seat supports the second positioning table, the second positioning table is arranged opposite to the first positioning table, and the second sliding seat is slidably mounted on the first sliding seat; and the number of the first and second groups,

the first driving assembly is used for driving the first sliding seat and the second sliding seat to be close to or far away from each other, the first driving assembly is connected with the first sliding seat and the second sliding seat, and the first driving assembly is installed on the fixed frame.

4. A welding apparatus as recited in claim 3, wherein: the first driving assembly comprises a rotating shaft rotatably mounted on the fixed frame, a first eccentric wheel arranged on the rotating shaft, a second eccentric wheel arranged on the rotating shaft and a driving motor for driving the rotating shaft to rotate, the rotating shaft is connected with the driving motor, and the driving motor is mounted on the fixed frame; the center of the first eccentric wheel and the center of the second eccentric wheel are respectively arranged at two sides of the rotating shaft, a first abutting seat abutting against the first eccentric wheel is installed on the first sliding seat, and a second abutting seat abutting against the second eccentric wheel is installed on the second sliding seat.

5. The welding apparatus of claim 4, wherein: the first driving assembly further comprises a first tension spring for pulling the first sliding seat and the second sliding seat so as to enable the first abutting seat and the second abutting seat to abut against the first eccentric wheel and the second eccentric wheel respectively; and two ends of the first tension spring are respectively connected with the first sliding seat and the second sliding seat.

6. The welding apparatus of claim 1, wherein the payout mechanism comprises:

the vertical plate is arranged on the machine cabinet;

the pay-off shaft is used for supporting a wire coil and is arranged on the vertical plate;

the paying-off assembly comprises a driving wheel, a driven wheel and a paying-off driver, the driven wheel is used for clamping the wire in a matching mode with the driving wheel, the paying-off driver is used for driving the driving wheel, the driving wheel is connected with the paying-off driver, and the driven wheel and the paying-off driver are installed on the vertical plate;

the detection assembly is used for detecting the position of the pay-off assembly for paying out the wire, and the detection assembly is arranged on the vertical plate; and the number of the first and second groups,

the pay-off shaft, the pay-off component, the detection component and the metering component are sequentially arranged along the wire transmission direction, and the pay-off shaft and the metering component are respectively positioned on two sides of the pay-off component and the metering component in the connecting line direction.

7. The welding apparatus of claim 6, wherein: the paying-off assembly further comprises a first swing arm, a second tension spring and a first support, wherein one end of the second tension spring is hinged to the first swing arm on the vertical plate, the second tension spring is used for pulling the other end of the first swing arm towards the direction of the driving wheel, the first support is arranged on the vertical plate, the driven wheel is rotatably arranged on the first swing arm, the first support is located on one side, close to the driving wheel, of the first swing arm, and two ends of the second tension spring are respectively connected with the first swing arm and the first support.

8. The welding apparatus of claim 6, wherein: the metering assembly comprises a first roller, a second roller, an encoder and a mounting seat, the second roller is used for being matched with the first roller to clamp the wire, the encoder is connected with the first roller, the mounting seat supports the encoder, the second roller is rotatably mounted on the vertical plate, and the mounting seat is connected with the vertical plate.

9. The welding apparatus of claim 6, wherein: the detection assembly comprises a third base arranged on the vertical plate, a sensor arranged on the third base and a limiting frame used for guiding the wire rod to pass through the sensor, the limiting frame is arranged on the vertical plate, a first groove used for allowing the wire rod to be movably arranged in and a second groove used for containing the third base and the sensor are formed in the limiting frame, and the second groove penetrates through two sides of the limiting frame along the width direction of the first groove.

10. The welding apparatus of any of claims 1 to 9, wherein: the welding equipment further comprises a conduit for guiding the wire rods to be transmitted to the welding mechanism by the pay-off mechanism, and two ends of the conduit are fixedly connected with the pay-off mechanism and the welding mechanism respectively.