CN210956557U - Automatic kludge of relay drain pan and circuit board - Google Patents

Abstract

The utility model discloses an automatic kludge of relay drain pan and circuit board, which comprises a frame, install first carousel mechanism and second carousel mechanism in the frame, the outside of first carousel mechanism has set gradually circuit board feed mechanism, terminal piece autoloading equipment mechanism and terminal piece butt-weld mechanism, the outside of second carousel mechanism has set gradually drain pan automatic feed mechanism, drain pan hot melt mechanism and unloading mechanism, circuit board screening transfer mechanism has been installed between first carousel mechanism and the second carousel mechanism, automatic to circuit board material loading, with terminal piece pay-off and equipment welding to the circuit board, detect the resistance of circuit board, detect the welding quality of terminal piece, screen the certified products of circuit board, to the drain pan pay-off, assemble the circuit board on the drain pan, go on the outage to the relay and detect, fix circuit board and drain pan hot melt, The automatic feeding device has the functions of printing characters, coating colors, screening finished products and discharging on the circuit board, and is high in automation degree and assembly efficiency.

Description

Automatic kludge of relay drain pan and circuit board

Technical Field

The utility model relates to an equipment field of relay subassembly especially relates to an automatic kludge of relay drain pan and circuit board.

Background

The relay is an electric control device, when the change of input quantity is up to the regulation requirement, the controlled quantity is changed into a predefined step change in the electric output circuit, it has the interaction relation between control system and controlled system, and is usually used in automatic control circuit, it is an automatic switch which actually uses small current to control large current operation, so that it can play the role of automatic regulation, safety protection and switching circuit in the circuit.

As shown in fig. 1 and 2, the relay includes a circuit board 04, a terminal plate 05 and a bottom case 06, in the prior art, a large amount of manual work is usually adopted to assemble the terminal plate 05 on the circuit board 04 first, and then the circuit board 04 and the bottom case 06 are fixed by hot melting, in addition, a plurality of test stations are involved in the assembly process, such as resistance detection of the circuit board 04, assembly size detection of the terminal plate 05, on-off detection of the relay, and the like, therefore, the manual assembly mode has the technical problems of high cost, low assembly efficiency and unstable assembly quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect among the prior art, a can be automatic to circuit board material loading, automatic with terminal piece pay-off and equipment welding to the circuit board on, the automatic resistance to the circuit board detects, the welding quality of automated inspection terminal piece, the qualification product of autofilter circuit board, automatic to the drain pan pay-off, assemble the circuit board automatically on the drain pan, automatically, the outage detects the relay, it is automatic fixed with circuit board and drain pan hot melt, automatic printing and scribble the look on the circuit board, the efficient relay drain pan of assembly and the automatic kludge of circuit board of autofilter finished product and unloading.

In order to achieve the above object, the utility model provides an automatic kludge of relay drain pan and circuit board, including the frame, install the first carousel mechanism that is used for transporting the circuit board in the frame and the second carousel mechanism that is used for transporting the drain pan, the outside of first carousel mechanism has set gradually the circuit board feed mechanism that is used for carrying out automatic feeding to the circuit board, is used for terminal piece autoloading equipment mechanism on terminal piece automatic feeding and assembles the circuit board and is used for welding the terminal piece butt-weld mechanism on the circuit board, the outside of second carousel mechanism has set gradually the drain pan automatic feeding mechanism that is used for carrying out autoloading to the drain pan, is used for drain pan and the fixed drain pan hot melt mechanism of circuit board hot melt to and be used for carrying out automatic unloading to the finished product unloading mechanism, install between first carousel mechanism and the second carousel mechanism and be used for carrying out the non-defective products screening and assemble the transfer the circuit board that is located first carousel mechanism and transport And the circuit board screening and transferring mechanism is arranged on the bottom shell of the second turntable mechanism.

Preferably, circuit board feed mechanism is including the circuit board charging tray that is used for storing circuit board, installs the manipulator mount in the frame, installs the level on the manipulator mount and gets the material slip table, gets the vertical material slip table of getting of material slip table transmission connection with the level, installs the circuit board clamping jaw cylinder of getting the material slip table below vertically.

Preferably, terminal piece autoloading equipment mechanism is including installing the terminal piece automatic feeding mechanism who is used for carrying out autoloading to the terminal piece in the frame, install and be used for transporting the first terminal piece automatic assembly mechanism on the circuit board to the terminal piece on terminal piece automatic feeding mechanism discharge gate one side, install the second terminal piece automatic assembly mechanism on terminal piece automatic feeding mechanism discharge gate opposite side to and install and be used for driving terminal piece clamping mechanism that the terminal piece presss from both sides tightly on the circuit board at terminal piece automatic feeding mechanism discharge gate.

Preferably, the terminal piece butt-welding mechanism comprises an upper frame and a lower frame, the upper frame is provided with a first butt-welding cylinder and a second butt-welding cylinder which are adjacently arranged, a piston rod of the first butt-welding cylinder is fixedly connected with a first upper electrode butt-welding device, a piston rod of the second butt-welding cylinder is fixedly connected with a second upper electrode butt-welding device, the upper frame is provided with a first guide device, the first upper electrode butt-welding device and the second upper electrode butt-welding device can freely slide along the first guide device respectively, a fixedly connected third butt-welding cylinder is arranged below the lower frame, a piston rod of the third butt-welding cylinder is fixedly connected with a lower electrode butt-welding device, the lower frame is provided with a second guide device, and the lower electrode butt-welding device can freely slide along the second guide device.

Preferably, the device also comprises a resistance detection device which is arranged outside the first turntable mechanism and is used for testing the resistance of the circuit board, and a circuit board detection hot melting mechanism which is used for detecting the welding quality of the terminal chip in the circuit board and hot melting plastic parts on the circuit board;

the circuit board detects hot melt mechanism includes the support with frame fixed connection, installs fixed connection's optical axis on the support, and the cover is established and is used for compressing tightly the compressing assembly on the working of plastics with the circuit board on the optical axis, and the cover is established and is used for carrying out the light filling device of light filling to the circuit board surface on the optical axis, and the cover is established and is used for detecting whether qualified detection device of circuit board subassembly size is established in the optical axis top, the light filling device is located and compresses tightly between subassembly and the detection device, the hot melt subassembly that is used for carrying out hot melt messenger circuit board and working of plastics fixed connection to the working of plastics pin is installed to one side of support, the hot melt subassembly includes the copper billet, installs at least one bayonet joint.

Preferably, the automatic bottom shell feeding mechanism comprises a bottom shell bin fixedly connected with the rack and used for storing a bottom shell, a conveying belt device arranged below the bottom shell bin, a bottom shell vibration disc fixedly connected with the rack and arranged at a discharge port of the conveying belt device, a bottom shell feeding channel communicated with a discharge port of the bottom shell vibration disc, a straight vibrator arranged below the bottom shell feeding channel and fixedly connected with the rack, and a bottom shell feeding manipulator arranged at a discharge port of the bottom shell feeding channel and used for transferring the bottom shell positioned on the bottom shell feeding channel to the second turntable mechanism.

Preferably, the circuit board screening and transferring mechanism comprises a circuit board screening device arranged on the frame and a circuit board feeding device arranged on one side of the circuit board screening device;

the circuit board sieving mechanism comprises a first material distributing cylinder and a slide rail which are arranged on a rack, a rack guide plate which is arranged on the slide rail and is connected with the first material distributing cylinder in a transmission manner, a second material distributing cylinder which is arranged on the rack guide plate, and a rack which is connected with the second material distributing cylinder in a transmission manner, wherein a gear fixing seat is fixedly connected to one side of the rack guide plate, a gear is rotationally connected to the gear fixing seat, a cylinder is clamped with a gear fixedly connected with circuit board, the mechanism further comprises a storage bin which is arranged below the circuit board clamping cylinder and used for collecting defective circuit boards, the rack guide plate is connected with the slide rail in a sliding manner, and the gear and.

Preferably, still including setting up the detection mechanism who is used for carrying out inside break-make detection to the relay in the second carousel mechanism outside, detection mechanism includes the stand with frame fixed connection, and the cover is established at stand below fixed connection's first detection cylinder fixing base, installs the first detection cylinder on first detection cylinder fixing base, the first probe fixing base of being connected with first detection cylinder transmission, the first probe with first probe fixing base fixed connection, the cover is established at stand top fixed connection's second cylinder fixing base, installs the second detection cylinder on the second cylinder fixing base, the second probe fixing base of being connected with second detection cylinder transmission, the second probe with second probe fixing base fixed connection.

Preferably, the bottom shell hot melting mechanism comprises a pressing device arranged on the rack and used for pressing the circuit board on the bottom shell, and a hot melting device arranged on one side of the pressing device;

the pressing device comprises a first pressing cylinder and a second pressing cylinder which are arranged on the rack, a first pressing block in transmission connection with the first pressing cylinder, and a second pressing block in transmission connection with the second pressing cylinder;

the hot melting device comprises an electric cylinder fixing seat fixedly connected with the frame, an electric cylinder fixedly connected with the electric cylinder fixing seat, a heating copper block connected with the electric cylinder in a transmission mode, an electric heating rod fixedly connected with one side of the heating copper block and a rivet fixedly connected below the heating copper block, wherein the electric cylinder fixing seat is arranged between a first pressing cylinder and a second pressing cylinder.

Preferably, unloading mechanism is including installing the lift cylinder in the frame, the revolving cylinder who is connected with the lift cylinder transmission, the drain pan clamping jaw cylinder of being connected with the revolving cylinder transmission, still including installing non-defective products material way and the painting device in the frame, the painting device is including installing the first painting cylinder of fixed connection in the frame, the second painting cylinder fixing base of being connected with the transmission of first painting cylinder, the second painting cylinder of being connected with the transmission of second painting cylinder fixing base, the painting pen fixing base of being connected with the transmission of second painting cylinder, install the painting pen of fixed connection on the painting pen fixing base.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model is provided with a frame, a first turntable mechanism for transporting circuit boards and a second turntable mechanism for transporting bottom shells, which are arranged on the frame, the outer side of the first turntable mechanism is sequentially provided with a circuit board feeding mechanism for automatically feeding the circuit boards, a terminal piece automatic feeding and assembling mechanism for automatically feeding the terminal pieces and assembling the terminal pieces on the circuit boards, and a terminal piece butt-welding mechanism for welding the terminal pieces on the circuit boards, the outer side of the second turntable mechanism is sequentially provided with a bottom shell automatic feeding mechanism for automatically feeding the bottom shells, a bottom shell hot melting mechanism for fixing the bottom shells and the circuit boards, and a discharging mechanism for automatically discharging finished products, a circuit board screening mechanism for screening the circuit boards on the first turntable mechanism and transferring and assembling the circuit boards on the bottom shells on the second turntable mechanism is arranged between the first turntable mechanism and the second turntable mechanism, the automatic feeding of the circuit board, the automatic feeding and assembling and welding of the terminal pieces onto the circuit board, the automatic detection of the resistance of the circuit board, the automatic detection of the welding quality of the terminal pieces, the automatic screening of qualified products of the circuit board, the automatic feeding of the bottom shell, the automatic assembling of the circuit board onto the bottom shell, the automatic on-off detection of the relay, the automatic hot melting and fixing of the circuit board and the bottom shell, the automatic printing and coloring on the circuit board, and the automatic screening of finished products and blanking are realized.

Drawings

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

Fig. 1 is a schematic structural diagram of a relay provided by the present invention;

fig. 2 is an exploded view of a relay provided by the present invention;

fig. 3 is a schematic plan view of the automatic assembling machine for the relay bottom case and the circuit board provided by the present invention;

fig. 4 is a schematic structural diagram of a circuit board feeding mechanism provided by the present invention;

FIG. 5 is an exploded view of FIG. 4;

fig. 6 is a schematic structural view of the terminal piece automatic feeding and assembling mechanism provided by the present invention;

fig. 7 is an exploded view of the terminal plate automatic feeding mechanism provided by the present invention;

fig. 8 is a schematic structural view of an automatic second terminal assembling mechanism provided by the present invention;

FIG. 9 is an exploded view of FIG. 8;

fig. 10 is an exploded view of a terminal plate clamping mechanism provided by the present invention;

fig. 11 is a schematic structural view of a terminal plate butt-welding mechanism provided by the present invention;

FIG. 12 is an exploded view of FIG. 11;

fig. 13 is an exploded view of the upper frame provided by the present invention;

fig. 14 is an exploded view of the lower housing provided by the present invention;

fig. 15 is a schematic structural diagram of the resistance detection device provided by the present invention;

fig. 16 is a schematic structural diagram of a circuit board detection fuse mechanism provided by the present invention;

FIG. 17 is an exploded view of FIG. 16;

FIG. 18 is an enlarged view of a portion of FIG. 17 at A;

fig. 19 is a schematic structural view of the automatic bottom case feeding mechanism provided by the present invention;

fig. 20 is a schematic structural diagram of a bottom shell loading manipulator provided by the present invention;

fig. 21 is a schematic structural view of the circuit board screening and transferring mechanism provided by the present invention;

fig. 22 is an exploded view of the circuit board screening apparatus provided by the present invention;

fig. 23 is a schematic structural diagram of a detection mechanism provided by the present invention;

fig. 24 is a schematic structural diagram of a bottom case thermal fusing mechanism provided in the present invention;

fig. 25 is a schematic structural diagram of a roll-over printing mechanism provided by the present invention;

fig. 26 is a schematic structural diagram of the blanking mechanism provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 3, the utility model provides an automatic kludge of relay drain pan and circuit board, including frame 01, install the second carousel mechanism 03 that is used for transporting first carousel mechanism 02 of circuit board and is used for transporting the drain pan in frame 01, the outside of first carousel mechanism 02 has set gradually the circuit board feed mechanism 1 that is used for carrying out automatic feeding to the circuit board, is used for terminal piece automatic feeding equipment mechanism 2 on terminal piece automatic feeding and assembles the circuit board and is used for terminal piece butt-weld mechanism 3 on welding the circuit board with the terminal piece, the outside of second carousel mechanism 03 has set gradually the drain pan automatic feeding mechanism 4 that is used for carrying out automatic feeding to the drain pan, is used for drain pan hot melt mechanism 5 that drain pan and circuit board hot melt are fixed to and be used for carrying out automatic unloading's unloading mechanism 6 to the finished product, install between first carousel mechanism 02 and the second carousel mechanism 03 and be used for lieing in the electricity that will be located on first carousel mechanism 02 The circuit board screening and transferring mechanism 7 is used for screening circuit boards and transferring and assembling the circuit boards to a bottom shell of the second turntable mechanism 03, and comprises a resistance detection device 8 which is arranged outside the first turntable mechanism 02 and used for testing the resistance of the circuit board, a circuit board detection hot melting mechanism 9 which is used for detecting the welding quality of terminals in the circuit board and carrying out hot melting on plastic parts on the circuit board, and a detection mechanism 10 which is arranged outside the second turntable mechanism 03 and used for carrying out internal on-off detection on a relay.

The following describes each component of the present embodiment in detail with reference to the drawings.

As shown in fig. 4 and 5, the circuit board feeding mechanism 1 includes a circuit board tray 11 for storing circuit boards, a manipulator fixing frame 12 fixed on the frame 01, a horizontal material taking sliding table 13 fixed on the manipulator fixing frame 12, a vertical material taking sliding table 14 in transmission connection with the horizontal material taking sliding table 13, and a circuit board clamping jaw air cylinder 15 installed below the vertical material taking sliding table 14.

Specifically, the device also comprises a feeding sliding table 16 which is arranged below the circuit board material tray 11 and used for transporting the circuit board material tray 11, a circuit board material tray fixing plate 17 which is in transmission connection with the feeding sliding table 16 is further arranged between the feeding sliding table 16 and the circuit board material tray 11, wherein the circuit board material tray 11 is fixed on the circuit board material tray fixing plate 17, the feeding sliding table 16, the horizontal material taking sliding table 13 and the vertical material taking sliding table 14 can be in belt transmission, screw nut transmission or linear motor transmission, during operation, the feeding sliding table 16 drives the circuit board material tray 11 to be transferred to a position waiting for material taking, then the vertical material taking sliding table 14 drives the circuit board clamping jaw air cylinder 15 to descend, the circuit board clamping jaw air cylinder 15 clamps the circuit board on the material tray 11, the vertical material taking sliding table 14 drives the circuit board clamping jaw air cylinder 15, then the vertical material taking sliding table 14 drives the circuit board clamping jaw air cylinder 15 to descend again, the circuit board clamping jaw air cylinder 15 places the circuit board on the first rotary table mechanism 02, the automatic feeding function of the circuit board is achieved, when the circuit board in the circuit board material tray 11 is taken out, the feeding sliding table 16 drives the circuit board material tray 11 to be transferred to the outer side, and at the moment, the material tray can be replaced manually or replaced automatically by a manipulator.

As shown in fig. 6, the terminal piece automatic feeding and assembling mechanism 2 includes a terminal piece automatic feeding mechanism 21 installed on the frame 01 for automatically feeding terminal pieces, a first terminal piece automatic assembling mechanism 22 installed on one side of a discharge port of the terminal piece automatic feeding mechanism 21 for transferring and assembling the terminal pieces onto a circuit board, a second terminal piece automatic assembling mechanism 23 installed on the other side of the discharge port of the terminal piece automatic feeding mechanism 21, and a terminal piece clamping mechanism 24 installed at the discharge port of the terminal piece automatic feeding mechanism 21 for driving the terminal pieces to be clamped on the circuit board, wherein the first terminal piece automatic assembling mechanism 22 and the second terminal piece automatic assembling mechanism 23 are symmetrically arranged on two sides of the discharge port of the terminal piece automatic feeding mechanism 21.

As shown in fig. 7, the terminal piece automatic feeding mechanism 21 includes a first terminal piece vibration tray 211 and a second terminal piece vibration tray 212 fixed on the frame 01 for automatically feeding terminal pieces, a direct current vibrator 213 fixed on the frame 01, a terminal piece feeding channel 214 fixed above the direct current vibrator 213, the first terminal piece vibration tray 211 and the second terminal piece vibration tray 212 have the same discharging direction, the terminal piece feeding channel 214 is respectively communicated with the discharging ports of the first terminal piece vibration tray 211 and the second terminal piece vibration tray 212, and further includes a material blocking block 215 installed at the discharging port of the terminal piece feeding channel 214, a torsion spring 216 is sleeved in the material blocking block 215, a material blocking cylinder 217 and a first terminal piece sensor 218 are installed above the discharging port of the terminal piece feeding channel 214, one leg of the torsion spring 216 is fixed on the feeding channel 214, and the other leg is fixed on the material blocking block 215, the material blocking block 215 can make reciprocating rotation motion on the feeding channel 214 through a torsion spring 216, a terminal piece second sensor 219 is installed above the feeding hole of the terminal piece feeding channel 214, wherein the first sensor 218 and the second sensor 219 are both optical fiber sensors.

When the terminal piece feeding device works, the first terminal piece vibration disc 211 and the second terminal piece vibration disc 212 respectively and automatically feed the terminal pieces into the feeding ports of the terminal piece feeding channels 214 through vibration, the terminal pieces positioned in the terminal piece feeding channels 214 are continuously moved towards the discharging ports through the vibration of the direct current vibrator 213, when the terminal pieces are blocked by the blocking block 215, the first sensor 218 detects that the terminal pieces are in place and feeds signals back to the blocking cylinder 217, the blocking cylinder 217 drives the piston rod to block the second terminal pieces positioned at the discharging ports of the terminal piece feeding channels 214, so that the subsequent transferring and assembling work of the first terminal piece is convenient, when the second sensor 219 detects that the feeding ports of the terminal piece feeding channels 214 are full of the terminal piece materials, the first terminal piece vibration disc 211 and the second terminal piece vibration disc 212 automatically stop working at the moment, the electric energy is saved, and the degree of automation is high, the terminal piece feeding is stable and reliable.

As shown in fig. 8 and 9, the first terminal piece automatic assembling mechanism 22/the second terminal piece automatic assembling mechanism 23 includes a cylinder fixing seat 231 and a sliding block 232 fixed on the frame 01, a first traverse cylinder 233 mounted on the cylinder fixing seat 231, a sliding rail 234 connected to the first traverse cylinder 233 in a transmission manner, a cylinder fixing block 235 fixed to one end of the sliding rail 234, a second traverse cylinder 236 fixed to the cylinder fixing block 235, and a clamping jaw cylinder 237 connected to the second traverse cylinder 236 in a transmission manner, wherein the sliding rail 234 is connected to the sliding block 232 in a sliding manner, a piston rod of the first traverse cylinder 233 is connected to the cylinder fixing seat 231 in a fixed manner, a cylinder body of the first traverse cylinder 233 is connected to the sliding rail 234 in a fixed manner, and the second traverse cylinder 236 is a sliding table cylinder with a self-guiding function.

During operation, the second traverse cylinder 236 drives the clamping jaw cylinder 237 to extend to one side of the discharge port of the terminal piece feeding channel 214, the clamping hands on the clamping jaw cylinder 237 clamp the terminal piece blocked by the material blocking block 215, at the moment, the first traverse cylinder 233 drives the clamping jaw cylinder 237 to move along the discharge direction of the terminal piece feeding channel 214, the terminal piece on the clamping jaw cylinder 237 pushes the material blocking block 215 to rotate around the torsion spring 216 on the feeding channel 214, thereby transferring the terminal plate on the feeding channel 214, at this time, the stop block 215 rotates around the torsion spring 216 to reset on the feeding channel 214, meanwhile, the second traverse cylinder 236 performs reset motion, and after the first traverse cylinder 233 drives the clamping jaw cylinder 237 to traverse to the right position, the second traverse cylinder 236 drives the clamping jaw cylinder 237 to transfer to the side surface of the assembled circuit board, and the clamping jaw cylinder 237 loosens the terminal plate to complete the function of assembling the terminal plate to the circuit board.

As shown in fig. 10, the terminal piece clamping mechanism 24 includes a clamping device 241 mounted on the frame 01 for clamping the terminal piece to the circuit board, and a driving device 242 for driving the clamping device 241.

The clamping device 241 includes a clamp fixing seat 2411 fixed on the frame 01, a first rotating shaft 2412 fixed on one side of the clamp fixing seat 2411, a second rotating shaft 2413 fixed on the other side of the clamp fixing seat 2411, a first terminal piece clamp 2414 sleeved on the first rotating shaft 2412 and rotatably connected with the first terminal piece clamp, a second terminal piece clamp 2415 sleeved on the second rotating shaft 2413 and rotatably connected with the second terminal piece clamp, a first fixing screw 2416 fixedly connected above the first terminal piece clamp 2414, a second fixing screw 2417 fixedly connected above the second terminal piece clamp 2415, and a tension spring arranged between the first fixing screw 2416 and the second fixing screw 2417.

Specifically, the first terminal piece clamp 2414 and the second terminal piece clamp 2415 are symmetrically arranged on two sides of the clamp fixing seat 2411, wherein the first fixing screw 2416 and the second fixing screw 2417 are both hexagon socket head cap screws, one end of the tension spring is hung and buckled on the first fixing screw 2416, and the other end of the tension spring is hung and buckled on the second fixing screw 2417.

The driving device 242 comprises a driving cylinder 2421 fixedly connected to the frame 01, and a pushing block 2422 in transmission connection with the driving cylinder 2421, wherein the driving cylinder 2421 is a double-shaft cylinder with a guide function, the pushing block 2422 is fixed to a piston of the driving cylinder 2421, and a V-shaped notch 24221 is formed in front of the pushing block 2422.

In operation, the driving cylinder 2421 drives the pushing block 2422 to move forward, the pushing block 2422 presses the first terminal piece clip 2414 and the second terminal piece clip 2415, so that the first terminal piece clip 2414 surrounds the first rotating shaft 2412 and performs a rotational motion along the V-shaped notch 24221, the second terminal piece clip 2415 surrounds the second rotating shaft 2413 and performs a rotational motion along the V-shaped notch 24221, at this time, one end of the first terminal piece clip 2414 and one end of the second terminal piece clip 2415 facing the pushing block 2422 are mutually contracted, the other ends are mutually opened, when the first terminal piece automatic assembling mechanism 22/the second terminal piece automatic assembling mechanism 23 respectively place the terminal pieces on two sides of the circuit board, the driving cylinder 2421 drives the pushing block 2422 to reset, at this time, the first terminal piece clip 2414 and the second terminal piece clip 2415 perform a contraction motion due to the spring pulling force, and the terminal pieces are clamped on two sides of the circuit board, so that the clamping function of the terminal pieces is realized, and the subsequent welding operation of the terminal pieces is facilitated.

As shown in fig. 11 to 14, the terminal plate butt-welding mechanism 3 includes an upper frame 31 and a lower frame 32, the upper frame 31 is provided with a first butt-welding cylinder 33 and a second butt-welding cylinder 34 which are adjacently arranged, a first upper electrode butt-welding device 35 is fixedly connected to a piston rod of the first butt-welding cylinder 33, a second upper electrode butt-welding device 36 is fixedly connected to the piston rod of the second butt-welding cylinder 34, the upper frame 31 is provided with a first guide 37, the first upper electrode butt-welding unit 35 and the second upper electrode butt-welding unit 36 are respectively freely slidable along the first guide 37, a third butt-welding cylinder 38 fixedly connected with the lower part of the lower frame 32, a lower electrode butt-welding device 39 fixedly connected with the piston rod of the third butt-welding cylinder 38, the lower frame 32 is provided with a second guide 310, and the lower electrode butt-welding unit 39 can slide freely along the second guide 310.

As shown in fig. 11 to 14, the upper frame 31 includes a first support plate 311, a second support plate 312 disposed below the first support plate 311 and fixedly connected to the first support plate 311, the first and second butt-welding cylinders 33 and 34 are respectively fixed above the first support plate 311, a first buffer 313 and a second buffer 314 are fixedly connected to the upper end surface of the second support plate 312, wherein the first buffer 313 is used for buffering the first upper electrode collision welding device 35 when the first guide 37 slides, so as to avoid the rigid collision with the terminal plate at an excessive speed between the upper electrode 352 of the first upper electrode collision welding device 35 and the terminal plate, the second buffer 314 is used to buffer the second upper electrode butt-welding device 36 during sliding of the second guide 310, so as to avoid rigid collision between the upper electrode 352 of the second upper electrode butt-welding device 36 and the terminal plate at an excessive speed.

As shown in fig. 11-14, the first upper electrode butt-welding device 35/the second upper electrode butt-welding device 36 includes an upper electrode mounting seat 351 fixedly connected to the piston rod of the first butt-welding cylinder 33, an upper electrode 352 fixedly connected to the lower portion of the upper electrode mounting seat 351, a water inlet 353 and a water outlet 354 fixed to one side of the upper electrode mounting seat 351, wherein a water path is formed in the upper electrode mounting seat 351 and is respectively communicated with the water inlet 353 and the water outlet 354, the water path is used for reducing the working temperature of the upper electrode 352 during welding, so as to ensure the reliability and stability of the welding operation, and besides water filling and temperature reduction, the water path can be other low-temperature liquid or low-temperature gas, such as liquid nitrogen and the like.

As shown in fig. 11-14, the first guiding device 37 includes a plurality of first guiding posts 371 installed on the upper frame 31, a first linear bearing 372 sleeved on the first guiding posts 371 and sliding freely, the first linear bearing 372 is fixedly connected to the upper electrode mounting base 351, wherein the first butt-welding cylinder 33 can drive the upper electrode 352 on the first upper electrode butt-welding device 35 to move up and down along the first guiding posts 371, the second butt-welding cylinder 34 can drive the upper electrode 352 on the second upper electrode butt-welding device 36 to move up and down along the first guiding posts 371, and the linear bearings are engaged with the guiding posts, so that guiding is smooth and positioning accuracy is relatively accurate.

As shown in fig. 11-14, the lower frame 32 includes a third supporting plate 321, a plurality of second guiding shafts 322 fixedly connected to the upper end surface of the third supporting plate 321, the third butt-welding cylinder 38 is fixedly connected to the lower end surface of the third supporting plate 321, the lower electrode butt-welding device 39 includes a lower electrode mounting seat 391 fixedly connected to the piston rod of the third butt-welding cylinder 38, a lower electrode 392 fixed above the lower electrode mounting seat 391, wherein two lower electrodes 392 are adjacently disposed at the middle position above the lower electrode mounting seat 391, the lower electrode butt-welding device 39 further includes a water inlet 393 and a water outlet 394 fixed on the side surface of the lower electrode mounting seat 391, wherein the lower electrode mounting seat 391 is internally provided with water channels respectively communicated with the water inlet 393 and the water outlet 394, the water channels are used for reducing the working temperature of the lower electrode 392 during welding, so as to ensure the reliability and stability of the welding operation, besides water filling and temperature reduction, the water path may also be other low-temperature liquids or low-temperature gases, such as liquid nitrogen, and the second guiding device 310 is a plurality of second linear bearings 310 sleeved in the second guiding shaft 322 and freely sliding, and the second linear bearings 310 are fixedly connected with the lower electrode mounting base 391.

Specifically, during welding, the first butt-welding cylinder 33 drives the upper electrode 352 on the first upper electrode butt-welding device 35 to move down with the first guide post 371 as a guide, the second butt-welding cylinder 34 drives the upper electrode 352 on the second upper electrode butt-welding device 36 to move down with the first guide post 371 as a guide, so that the upper electrode 352 on the first upper electrode butt-welding device 35 and the upper electrode 352 on the second upper electrode butt-welding device 36 respectively contact the upper end surfaces of the terminal pieces, the third butt-welding cylinder 38 drives the lower electrode 392 on the lower electrode butt-welding device 39 to move up with the second guide shaft 322 as a guide, so that the lower electrode 392 on the lower electrode butt-welding device 39 contacts the bottom of the terminal pieces to weld the terminal pieces and the circuit board, and at this time, the external water flows in from the water inlet joint 353 and flows out from the water outlet 354, thereby reducing the temperature of the upper electrode 352 during welding, meanwhile, an external water path also flows in from the water inlet port 393 and flows out from the water outlet port 394, so that the temperature of the lower electrode 392 during welding is reduced, the good welding quality is guaranteed, the service lives of the upper electrode 352 and the lower electrode 392 are prolonged, and the welding process is more stable and reliable.

As shown in fig. 15, the resistance detection device 8 includes a detection driving cylinder 81 fixed on the frame 01, a detection clamping jaw cylinder 82 fixed on a piston rod of the detection driving cylinder 81, a cylindrical detection upright 83 fixed on the frame 01, a detection cylinder fixing seat 84 sleeved on the detection upright 83, a detection cylinder 85 fixed on the detection cylinder fixing seat 84, a probe seat 86 fixed on a piston rod of the detection cylinder 85, and a detection probe 87 fixed on the probe seat 86.

Specifically, during operation, the detection driving cylinder 81 drives the detection clamping jaw cylinder 82 to move to the edge of the first turntable mechanism 02, the detection clamping jaw cylinder 82 clamps the circuit board, at the moment, the detection cylinder 85 drives the detection probe 87 to contact with the circuit board, automatic resistance detection is carried out on the circuit board, and a resistance value is fed back to the system.

As shown in fig. 16-18, the circuit board detecting and heat fusing mechanism 9 includes a support 91 fixed on the frame 01, an optical axis 92 installed on the support 91 for fixed connection, a pressing component 93 sleeved on the optical axis 92 for pressing the circuit board onto a plastic part, a light supplementing device 94 sleeved on the optical axis 92 for supplementing light to the surface of the circuit board, a detecting device 95 sleeved on the top of the optical axis 92 for detecting whether the size of the circuit board component is qualified, the light supplementing device 94 is located between the pressing component 93 and the detecting device 95, a heat fusing component 96 installed on one side of the support 91 for thermally fusing a plastic part pin to fixedly connect the circuit board and the plastic part, the heat fusing component 96 includes a copper block 961, at least one plug 962 installed on the copper block 961, and at least one heating rod 963 installed on the copper block 961.

Specifically, the optical axis 92 is vertically fixed on the support 91, wherein the copper block 961 has good heat conduction performance and can transfer heat on the heating rod 963 to the plug 962, two plugs 962 are respectively fixed right in front of the copper block 961, and two heating rods 963 are respectively fixed right below the copper block 961, at this time, if the installation space of the copper block 961 allows, more heating rods 963 can be added, the heating time of the plug 962 is further reduced, and the required temperature is reached more quickly.

As shown in fig. 16-18, the pressing assembly 93 includes a cylinder mounting seat 931 sleeved on the optical axis 92, a driving cylinder 932 fixed on the cylinder mounting seat 931, and a pressing block 933 in transmission connection with the driving cylinder 932, wherein the cylinder mounting seat 931 is fixed on the optical axis 92 through a jackscrew, when the jackscrew is loosened, the cylinder mounting seat 931 can slide freely along the optical axis 92, when the cylinder mounting seat is adjusted in place, the jackscrew in the cylinder mounting seat 931 is tightly pressed on the optical axis 92 by using an allen wrench, in addition, a cylinder body of the driving cylinder 932 is fixed on the cylinder mounting seat 931, and a piston rod of the driving cylinder 932 is fixedly connected with the pressing block 933.

As shown in fig. 16-18, the light supplement device 94 includes a light source fixing seat 941 sleeved on the optical axis 92, and a light source 942 installed on the light source fixing seat 941, wherein the light source fixing seat 941 is fixed on the optical axis 92 through a jackscrew, when the jackscrew is loosened, the light source fixing seat 941 can freely slide along the optical axis 92, and can adjust the illumination intensity of the light source to the object to be illuminated, and after the light source is adjusted in place, the jackscrew in the light source fixing seat 941 is tightly pressed against the optical axis 92 by using an allen key, wherein the light source 942 is an annular light source, and the annular light source has a small structural volume when the illumination intensity is appropriate, and is convenient to install.

As shown in fig. 16-18, the detecting device 95 includes a CCD fixing seat 951 sleeved on the optical axis 92, a CCD952 mounted on the CCD fixing seat 951, and a lens 953 mounted on the CCD952, wherein the CCD fixing seat 951 is fixed on the optical axis 92 through a jackscrew, when the jackscrew is loosened, the CCD fixing seat 951 can slide freely along the optical axis 92, the distance from the lens 953 to a photographed object can be adjusted, and when the adjustment is in place, the jackscrew in the CCD fixing seat 951 is tightly jacked on the optical axis 92 by using an allen key.

As shown in fig. 16-18, the heat stake assembly 96 further includes a drive 97 for driving the insertion of the plug 962 into the base pin, the driving device 97 comprises a fixed seat 971, a driving part 972 fixedly connected with one side of the fixed seat 971, a linear bearing I973 and a linear bearing II974 fixed on the fixed seat 971, a first guide optical axis 975 sleeved in the linear bearing I973 and freely sliding along the linear bearing I973, a second guide optical axis 976 sleeved in the linear bearing II974 and freely sliding along the linear bearing II974, one end of the copper block 961 is fixedly connected with the first guide optical axis 975, the other end is fixedly connected with the second guide optical axis 976, the copper block 961 is in transmission connection with a driving element 972, and specifically, the linear bearing I973 and the linear bearing II974 are respectively a flange type linear bearing, the driving member 972 may be an air cylinder or an electric cylinder, and is fixed to the fixing seat 971 by screws on the flange.

During the operation, light source 942 on the light filling device 94 carries out the light filling to the circuit board, camera lens 953 on the detection device 95 shoots the circuit board, collect information and transmit CCD952 on, when the system detects that the terminal piece welding quality in the circuit board is not good, operation is not opened to hot melt subassembly 96, when the system detects that the terminal piece welding quality in the circuit board is good, drive cylinder 932 drives briquetting 933 earlier and compresses tightly the plastic part to the circuit board, drive plug 962 pegs graft inside to the plastic part pin behind driving piece 972, the heat on the heating rod passes through copper billet heat transfer to plug 962, plug 962 melts the solid-state plastic pin on the plastic part, make the fixed connection of circuit board and realization reliability.

As shown in fig. 19 and 20, the automatic bottom case feeding mechanism 4 includes a bottom case bin 41 fixedly connected to the frame 01 for storing the bottom case, a conveyor belt device 42 installed below the bottom case bin 41, a bottom case vibration plate 43 installed at a discharge port of the conveyor belt device 42 and fixedly connected to the frame 01, a bottom shell feeding channel 44 communicated with the discharge port of the bottom shell vibration tray 43, a straight vibrator 45 arranged below the bottom shell feeding channel 44 and fixedly connected with the frame 01, and a bottom case feeding manipulator 46 provided at the discharge port of the bottom case feeding path 44 for moving the bottom case positioned on the bottom case feeding path 44 to the second turntable mechanism 03, wherein the bottom case loading robot 46 includes a traverse robot 461 mounted on the frame 01, a vertical manipulator 462 in transmission connection with the transverse manipulator 461, and a bottom shell clamping jaw cylinder 463 which is arranged below the vertical manipulator 462 and is in transmission connection with the vertical manipulator 462.

Specifically, the drain pan on the drain pan feed bin 41 drops on conveyer belt device 42 during the operation, conveyer belt device 42 transports to the drain pan in drain pan vibration dish 43, drain pan vibration dish 43 transports the drain pan to drain pan feeding channel 44 through vibrations, the discharge gate department of drain pan feeding channel 44 is transported to the drain pan with the vibrations of rethread straight oscillator 45, vertical manipulator 462 drive drain pan clamping jaw cylinder 463 descends, drain pan clamping jaw cylinder 463 presss from both sides the drain pan, vertical manipulator 462 drive drain pan clamping jaw cylinder 463 rises this moment, sideslip manipulator 461 drive drain pan clamping jaw cylinder 463 sideslip, vertical manipulator 462 drive drain pan clamping jaw cylinder 463 descends once more, drain pan clamping jaw cylinder 463 places the drain pan on the second carousel mechanism 03, realize the automatic feeding function of drain pan.

As shown in fig. 21, the circuit board screening and transferring mechanism 7 includes a circuit board screening device 71 mounted on the frame 01, and a circuit board loading device 72 mounted on one side of the circuit board screening device 71;

as shown in fig. 21 and 22, the circuit board screening apparatus 71 includes a first distributing cylinder 711 and a sliding rail 712 mounted on the frame 01, a rack guide plate 713 mounted on the sliding rail 712 and in transmission connection with the first distributing cylinder 711, a second distributing cylinder 714 mounted on the rack guide plate 713, a rack 715 in transmission connection with the second distributing cylinder 714, a gear fixing seat 716 fixedly connected to one side of the rack guide plate 713, a gear 717 rotatably connected to the gear fixing seat 716, and a circuit board clamping cylinder 718 fixedly connected to the gear 717, and a storage bin 719 mounted below the circuit board clamping cylinder 718 and used for collecting defective circuit boards, wherein the rack guide plate 713 is in sliding connection with the sliding rail 712, and the gear 717 is in meshing transmission with the rack 715.

Specifically, the first material distributing cylinder 711 drives the circuit board clamping cylinder 718 to move to the edge of the first turntable mechanism 02, the circuit board clamping cylinder 718 clamps the circuit board, the first material distributing cylinder 711 resets, wherein two material storage bins 719 are provided, one material storage bin 719 is used for storing defective welding products, the other material storage bin is used for storing defective resistance testing products, the double-shaft cylinder 780 drives the material storage bin 719 to reciprocate at two positions, if the circuit board is defective, the circuit board clamping cylinder 718 releases the clamping jaws, the circuit board clamping cylinder 718 falls into the material storage bin 719, if the circuit board is defective, the second material distributing cylinder 714 drives the rack 715 to do linear motion, the rack 715 drives the gear 717 to do rotary motion, so that the circuit board clamping cylinder performs overturning motion, the circuit board loading device 72 clamps the circuit board on the circuit board clamping cylinder 718, places the circuit board 718 on the bottom shell of the second turntable mechanism 03, thereby realize the non-defective products screening of circuit board and assemble the function to the drain pan.

As shown in fig. 23, the detecting mechanism 10 includes a vertical column 101 fixedly connected to the frame 01, a first detecting cylinder fixing seat 102 fixedly connected to the lower portion of the vertical column 101, a first detecting cylinder 103 mounted on the first detecting cylinder fixing seat 102, a first probe fixing seat 104 in transmission connection with the first detecting cylinder 103, a first probe 105 fixedly connected to the first probe fixing seat 104, a second cylinder fixing seat 106 fixedly connected to the upper portion of the vertical column 101, a second detecting cylinder 107 mounted on the second cylinder fixing seat 106, a second probe fixing seat 108 in transmission connection with the second detecting cylinder 107, and a second probe 109 fixedly connected to the second probe fixing seat 108.

Specifically, during operation, the first detection cylinder 103 drives the first probe 105 to move upwards, the first probe 105 is in contact with the bottom of the relay, meanwhile, the second detection cylinder 107 drives the second probe 109 to move downwards, and the second probe 109 is in contact with the top of the relay, so that whether the inside of the relay can be normally conducted or not is automatically tested, in addition, the first detection cylinder fixing seat 102 and the second detection cylinder fixing seat 106 can respectively perform vertical adjustment along the stand column 101, and the detection is more convenient to debug.

As shown in fig. 24, the bottom casing heat-melting mechanism 5 includes a pressing device 51 mounted on the frame 01 for pressing the circuit board on the bottom casing, and a heat-melting device 52 mounted on one side of the pressing device 51;

the pressing device 51 comprises a first pressing cylinder 511 and a second pressing cylinder 512 which are fixed on the frame 01, a first pressing block 513 which is in transmission connection with the first pressing cylinder 511, and a second pressing block 514 which is in transmission connection with the second pressing cylinder 512;

the hot melting device 52 comprises an electric cylinder fixing seat 521 which is arranged between the first pressing cylinder 511 and the second pressing cylinder 512 and fixedly connected with the frame 01, an electric cylinder 522 which is fixedly connected with the electric cylinder fixing seat 521, a heating copper block 523 which is in transmission connection with the electric cylinder 522, an electric heating rod 524 which is arranged on one side of the heating copper block 523 and fixedly connected with the electric heating rod, and a rivet 525 which is arranged below the heating copper block 523 and fixedly connected with the electric heating rod.

Specifically, the first pressing cylinder 511 drives the first pressing block 513 to move upwards, the second pressing cylinder 512 drives the second pressing block 514 to move downwards, the circuit board and the bottom case are pressed tightly under the combined action of the first pressing block 513 and the second pressing block 514, the electric cylinder 522 drives the electric heating rod 524 on the heating copper block 523 to contact with the plastic pin in the bottom case, and the circuit board and the bottom case are automatically and fixedly connected together after the plastic pin is melted.

As shown in fig. 25, the printer further comprises a reverse printing mechanism 07 arranged outside the second turntable mechanism 03, the reverse printing mechanism 07 comprises a stamp pad 071 fixed on the frame 01, a reverse cylinder 072 arranged above the stamp pad 071 and fixedly connected with the frame 01, a printing cylinder 073 in transmission connection with the turning cylinder 072, a printing head 074 in transmission connection with the printing cylinder 073, a fixed cylinder 075 arranged above the relay, a clamping block 076 in transmission connection with the fixed cylinder 075, wherein, inkpad 071 is provided with inkpad, during operation, the fixing cylinder 075 drives the block 076 to fix the relay, and the printing cylinder 073 drives the printing head 074 to contact the inkpad downwards and reset, then the overturning cylinder 072 drives the printing head 074 to rotate by 90 degrees, the printing cylinder 073 pushes the printing head 074 to move again, and the printing head 074 is pressed on the circuit board of the relay, so that the function of automatically printing on the circuit board is realized.

As shown in fig. 26, the blanking mechanism 6 includes a lifting cylinder 61 mounted on the frame 01, a rotary cylinder 62 in transmission connection with the lifting cylinder 61, a bottom case clamping jaw cylinder 63 in transmission connection with the rotary cylinder 62, and further includes a good product material channel 64 and a painting device 65 mounted on the frame 01, where the painting device 65 includes a first painting cylinder 651 mounted on the frame 01 and fixedly connected to the frame 01, a second painting cylinder fixing seat 652 in transmission connection with the first painting cylinder 651, a second painting cylinder 653 fixedly connected to the second painting cylinder fixing seat 652, a painting pen fixing seat 654 in transmission connection with the second painting cylinder 653, and a painting pen 655 mounted on the painting pen fixing seat 654.

Specifically, during operation, the lifting cylinder 61 drives the bottom shell clamping jaw cylinder 63 to move to the edge of the second turntable mechanism 03, the bottom shell clamping jaw cylinder 63 clamps and clamps a finished relay product, the lifting cylinder 61 drives the bottom shell clamping jaw cylinder 63 to ascend, the rotating cylinder 62 drives the bottom shell clamping jaw cylinder 63 to rotate 180 degrees, the second painting cylinder 653 drives the painting pen 655 to contact with the relay, the first painting cylinder 651 drives the painting pen 655 to move transversely, the straight line drawn by the painting pen 655 is carved on the relay at the moment, the clamping jaw is loosened by the bottom shell clamping jaw cylinder 63, and the finished relay product is discharged along the good product material channel 64.

To sum up, the utility model discloses a to circuit board automatic feeding, automatic with terminal piece pay-off and equipment welding circuit board on, the automatic resistance to the circuit board detects, the welding quality of automated inspection terminal piece, the certified products of autofilter circuit board, automatically to the drain pan pay-off, automatically with the circuit board equipment on the drain pan, automatically to the relay go on break-make electricity detection, automatically with circuit board and drain pan hot melt fixed, automatically print on the circuit board and scribble the look, the function of autofilter finished product and unloading, its degree of automation is high, high assembly efficiency, product quality also obtains fine assurance.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims (10)

1. An automatic relay bottom shell and circuit board assembling machine comprises a rack (01) and is characterized by further comprising a first rotary disk mechanism (02) and a second rotary disk mechanism (03), wherein the first rotary disk mechanism (02) is arranged on the rack (01) and used for transporting a circuit board, the second rotary disk mechanism (03) is used for transporting the bottom shell, a circuit board feeding mechanism (1) used for automatically feeding the circuit board, a terminal piece automatic feeding and assembling mechanism (2) used for automatically feeding terminal pieces and assembling the terminal pieces onto the circuit board, a terminal piece butt-welding mechanism (3) used for welding the terminal pieces onto the circuit board are sequentially arranged on the outer side of the first rotary disk mechanism (02), an automatic bottom shell feeding mechanism (4) used for automatically feeding the bottom shell, a bottom shell hot melting mechanism (5) used for fixing the bottom shell and the circuit board in a hot melting mode, and a discharging mechanism (6) used for automatically discharging finished products are sequentially arranged on the, and a circuit board screening and conveying mechanism (7) for screening good circuit boards on the first turntable mechanism (02) and conveying and assembling the circuit boards to a bottom shell on the second turntable mechanism (03) is arranged between the first turntable mechanism (02) and the second turntable mechanism (03).

2. The automatic assembling machine for the relay bottom shell and the circuit board according to claim 1, wherein the circuit board feeding mechanism (1) comprises a circuit board tray (11) for storing the circuit board, a manipulator fixing frame (12) installed on the frame (01), a horizontal material taking sliding table (13) installed on the manipulator fixing frame (12), a vertical material taking sliding table (14) in transmission connection with the horizontal material taking sliding table (13), and a circuit board clamping jaw cylinder (15) installed below the vertical material taking sliding table (14).

3. The automatic relay bottom case and circuit board assembling machine according to claim 1, wherein the terminal piece automatic feeding and assembling mechanism (2) comprises a terminal piece automatic feeding mechanism (21) installed on the frame (01) for automatically feeding the terminal pieces, a first terminal piece automatic assembling mechanism (22) installed on one side of a discharge port of the terminal piece automatic feeding mechanism (21) for transferring and assembling the terminal pieces onto the circuit board, a second terminal piece automatic assembling mechanism (23) installed on the other side of the discharge port of the terminal piece automatic feeding mechanism (21), and a terminal piece clamping mechanism (24) installed on the discharge port of the terminal piece automatic feeding mechanism (21) for driving the terminal pieces to clamp onto the circuit board.

4. The automatic assembling machine for the relay bottom case and the circuit board according to claim 1, wherein the terminal piece butt-welding mechanism (3) comprises an upper frame (31) and a lower frame (32), the upper frame (31) is provided with a first butt-welding cylinder (33) and a second butt-welding cylinder (34) which are adjacently arranged, a piston rod of the first butt-welding cylinder (33) is fixedly connected with a first upper electrode butt-welding device (35), a piston rod of the second butt-welding cylinder (34) is fixedly connected with a second upper electrode butt-welding device (36), the upper frame (31) is provided with a first guiding device (37), the first upper electrode butt-welding device (35) and the second upper electrode butt-welding device (36) can freely slide along the first guiding device (37), and a fixedly connected third butt-welding cylinder (38) is arranged below the lower frame (32), a lower electrode butt-welding device (39) is fixedly connected to a piston rod of the third butt-welding cylinder (38), a second guide device (310) is arranged on the lower frame (32), and the lower electrode butt-welding device (39) can freely slide along the second guide device (310).

5. The automatic assembling machine for the relay bottom shell and the circuit board according to claim 1, further comprising a resistance detection device (8) installed outside the first turntable mechanism (02) for testing the resistance of the circuit board, and a circuit board detection hot melting mechanism (9) for detecting the welding quality of the terminal pads in the circuit board and hot melting plastic parts on the circuit board;

the circuit board detection hot melting mechanism (9) comprises a support (91) fixedly connected with a rack (01), an optical axis (92) fixedly connected with the support (91), a pressing component (93) sleeved on the optical axis (92) and used for pressing a circuit board on a plastic part, a light supplementing device (94) sleeved on the optical axis (92) and used for supplementing light to the surface of the circuit board, a detection device (95) sleeved on the top of the optical axis (92) and used for detecting whether the size of the circuit board component is qualified or not, the light supplementing device (94) is positioned between the pressing component (93) and the detection device (95), a hot melting component (96) used for carrying out hot melting on a plastic part pin to enable the circuit board and the plastic part to be fixedly connected is arranged on one side of the support (91), the hot melting component (96) comprises a copper block (961) and at least one plug-in head (962) arranged on, at least one heating rod (963) mounted on the copper block (961).

6. The automatic assembling machine for the relay bottom case and the circuit board according to claim 1, wherein the automatic bottom case feeding mechanism (4) comprises a bottom case bin (41) fixedly connected with the frame (01) for storing the bottom case, a conveyor belt device (42) installed below the bottom case bin (41), a bottom case vibration disc (43) installed at a discharge port of the conveyor belt device (42) and fixedly connected with the frame (01), a bottom case feeding channel (44) communicated with a discharge port of the bottom case vibration disc (43), a straight vibrator (45) installed below the bottom case feeding channel (44) and fixedly connected with the frame (01), and a bottom case feeding manipulator (46) installed at a discharge port of the bottom case feeding channel (44) for transferring the bottom case located on the bottom case feeding channel (44) to the second turntable mechanism (03).

7. The automatic assembling machine for the relay bottom shell and the circuit board according to claim 1, wherein the circuit board screening and transferring mechanism (7) comprises a circuit board screening device (71) installed on the frame (01), and a circuit board feeding device (72) installed on one side of the circuit board screening device (71);

the circuit board screening device (71) comprises a first material separating cylinder (711) and a sliding rail (712) which are arranged on a rack (01), a rack guide plate (713) which is arranged on the sliding rail (712) and is in transmission connection with the first material separating cylinder (711), and a second material separating cylinder (714) which is arranged on the rack guide plate (713), a rack (715) in transmission connection with the second material separating cylinder (714), a gear fixing seat (716) is fixedly connected to one side of the rack guide plate (713), a gear (717) is rotatably connected to the gear fixing seat (716), a circuit board clamping cylinder (718) fixedly connected with the gear (717), and a storage bin (719) arranged below the circuit board clamping cylinder (718) and used for collecting defective circuit boards, the rack guide plate (713) is connected with the sliding rail (712) in a sliding mode, and the gear (717) is in meshed transmission with the rack (715).

8. The automatic assembling machine for the relay bottom case and the circuit board according to claim 1, further comprising a detecting mechanism (10) disposed outside the second turntable mechanism (03) for detecting the internal on-off of the relay, wherein the detecting mechanism (10) comprises a vertical column (101) fixedly connected with the frame (01), a first detecting cylinder fixing seat (102) fixedly connected with the lower part of the vertical column (101), a first detecting cylinder (103) disposed on the first detecting cylinder fixing seat (102), a first probe fixing seat (104) in transmission connection with the first detecting cylinder (103), a first probe (105) fixedly connected with the first probe fixing seat (104), a second cylinder fixing seat (106) fixedly connected with the upper part of the vertical column (101), a second detecting cylinder (107) disposed on the second cylinder fixing seat (106), and a second probe fixing seat (108) in transmission connection with the second detecting cylinder (107), and the second probe (109) is fixedly connected with the second probe fixing seat (108).

9. The automatic relay bottom case and circuit board assembling machine according to claim 1, wherein the bottom case heat-melting mechanism (5) comprises a pressing device (51) mounted on the frame (01) for pressing the circuit board on the bottom case, and a heat-melting device (52) mounted on one side of the pressing device (51);

the pressing device (51) comprises a first pressing cylinder (511) and a second pressing cylinder (512) which are arranged on the rack (01), a first pressing block (513) in transmission connection with the first pressing cylinder (511), and a second pressing block (514) in transmission connection with the second pressing cylinder (512);

the hot melting device (52) comprises an electric cylinder fixing seat (521) fixedly connected with the frame (01) and arranged between a first pressing cylinder (511) and a second pressing cylinder (512), an electric cylinder (522) fixedly connected with the electric cylinder fixing seat (521), a heating copper block (523) in transmission connection with the electric cylinder (522), an electric heating rod (524) fixedly connected with one side of the heating copper block (523), and a riveting head (525) fixedly connected below the heating copper block (523).

10. The automatic assembling machine for the relay bottom case and the circuit board according to claim 1, the blanking mechanism (6) comprises a lifting cylinder (61) arranged on the frame (01), a rotary cylinder (62) in transmission connection with the lifting cylinder (61), a bottom shell clamping jaw cylinder (63) in transmission connection with the rotary cylinder (62), a good product material channel (64) and a painting device (65) which are arranged on the frame (01), the color coating device (65) comprises a first color coating cylinder (651) which is arranged on the frame (01) and is fixedly connected, a second painting cylinder fixing seat (652) in transmission connection with the first painting cylinder (651), a second painting cylinder (653) fixedly connected with the second painting cylinder fixing seat (652), a painting pen fixing seat (654) in transmission connection with the second painting cylinder (653), and a painting pen (655) fixedly connected with the painting pen fixing seat (654).

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