CN111843480A - LED display screen bottom shell assembly equipment and production process thereof - Google Patents

LED display screen bottom shell assembly equipment and production process thereof Download PDF

Info

Publication number
CN111843480A
CN111843480A CN202010784282.4A CN202010784282A CN111843480A CN 111843480 A CN111843480 A CN 111843480A CN 202010784282 A CN202010784282 A CN 202010784282A CN 111843480 A CN111843480 A CN 111843480A
Authority
CN
China
Prior art keywords
pcb
assembly
belt
cylinder
lifting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010784282.4A
Other languages
Chinese (zh)
Inventor
徐惠能
陈扬富
张开雄
杨云飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Qiangli Photoelectricity Co Ltd
Original Assignee
Fujian Qiangli Photoelectricity Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Qiangli Photoelectricity Co Ltd filed Critical Fujian Qiangli Photoelectricity Co Ltd
Priority to CN202010784282.4A priority Critical patent/CN111843480A/en
Publication of CN111843480A publication Critical patent/CN111843480A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P21/00Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention discloses an LED display screen bottom shell assembly device and a production process thereof, wherein the LED display screen bottom shell assembly device comprises a rack, a bottom shell feeding assembly line, an assembly platform, a PCB receiving platform, a PCB feeding conveying line, a PCB overturning mechanism, a mechanical arm clamping mechanism and a clamp backflow conveying line; and the bottom shell feeding assembly line, the assembly platform, the PCB feeding conveying line, the PCB overturning mechanism, the mechanical arm clamping mechanism and the clamp backflow conveying line are all arranged at the upper end of the frame. According to the invention, the bottom shell feeding assembly line, the assembly platform, the PCB receiving platform, the PCB feeding conveying line, the PCB overturning mechanism and the clamp backflow conveying line are arranged according to the process requirements, the bottom shell and the PCB are conveyed among all the mechanisms by the mechanical arm clamping mechanism, the whole assembly process is completely and automatically completed, and the production efficiency is high.

Description

LED display screen bottom shell assembly equipment and production process thereof
Technical Field
The invention relates to the technical field of electronics, in particular to an LED display screen bottom shell assembly device and a production process thereof.
Background
At present, in the production process of the LED display screen, the assembly of the PCB and the bottom shell is mostly completed manually, and the following defects exist: (1) the manual operation is easy to fatigue, and the quality problem of reverse installation of the PCB or reverse placement of the product occurs; (2) in the operation process, the accessories are easy to collide, so that the product quality problem is caused; (3) personnel walk off the post, equipment is in standby state, and production efficiency is low, urgently need design a section can realize automatic assembly's equipment.
Disclosure of Invention
The invention aims to provide the LED display screen bottom shell assembling equipment which is high in automation degree and production efficiency.
The invention further aims to provide a production process of the LED display screen bottom shell assembly equipment with reasonable design.
In order to achieve the purpose, the technical solution of the invention is as follows:
the invention relates to an LED display screen bottom shell assembly device which comprises a rack, a bottom shell feeding assembly line, an assembly platform, a PCB receiving platform, a PCB feeding conveying line, a PCB overturning mechanism, a mechanical arm clamping mechanism and a clamp backflow conveying line, wherein the assembly platform is arranged on the bottom shell;
the bottom case feeding assembly line, the assembly platform, the PCB receiving platform, the PCB feeding conveying line, the PCB overturning mechanism, the mechanical arm clamping mechanism and the clamp backflow conveying line are all arranged on the rack, a first station of the mechanical arm clamping mechanism is connected with a discharging end of the bottom case feeding assembly line, and a second station of the mechanical arm clamping mechanism is connected with the assembly platform; the discharge end of PCB board feeding transfer chain links up with the first station that the PCB board connects the material platform, and the PCB board connects the second station that the material platform linked up with the feed end of anchor clamps backward flow transfer chain, and PCB board tilting mechanism's feeding station links up with the first station that the PCB board connects the material platform, and PCB board tilting mechanism's ejection of compact station links up with the third station of arm fixture, and arm fixture's fourth station links up with assembly platform to assemble the PCB board on the drain pan.
The bottom shell feeding assembly line comprises a width guide rail, a sliding conveying belt frame, a fixed conveying belt frame, a bottom shell conveying belt, a width adjusting mechanism, a feeding frame, a lifting motor, a lifting belt pulley group, a lifting screw rod, a lifting guide rail and a lifting platform; the width guide rail is fixed at the bottom of the rack, the bottom surface of the sliding conveyor belt rack is connected to the width guide rail in a sliding mode, the bottom surface of the fixed conveyor belt rack is fixed on the rack and is parallel to the sliding conveyor belt rack, two belts in the bottom shell conveyor belt are respectively installed on the sliding conveyor belt rack and the fixed conveyor belt rack in parallel, and the bottom shell conveyor belt is provided with a width adjusting mechanism; the feeding frame is vertically fixed on the rack and is positioned at one end of the sliding conveying belt frame and one end of the fixed conveying belt; the bottom shell conveying belt comprises two belts, a belt motor, a belt shaft, a motor belt pulley group and a plurality of belt pulleys; the two belts are respectively wound on the belt pulleys, the belt motor is fixedly arranged on the rack and is connected with the belt pulleys through belt shafts to drive the belt pulleys to rotate, and the belt shafts are rotatably arranged on the width adjusting mechanism; the bottom shell conveying belts are two, and the two bottom shell conveying belts are arranged on the sliding conveying belt rack and the fixed conveying belt rack and are connected with each other; a stop block mechanism is arranged at the joint of the two bottom shell conveying belts and comprises a stop block cylinder and a stop block, the cylinder body of the stop block cylinder is fixedly arranged on the width adjusting mechanism, the end of a piston rod of the stop block cylinder is connected with the outer end of the stop block, and the inner end of the stop block leans against the bottom shell conveying belts; the width adjusting mechanism comprises a hand wheel fixing seat, an adjusting hand wheel, an adjusting screw rod and two guide plates; the hand wheel fixing seat is fixed on the frame, the adjusting hand wheel is fixed at the outer end of the adjusting screw rod, the middle part of the adjusting screw rod is respectively screwed in the threaded holes of the two guide plates, the thread turning directions of the threaded holes of the two guide plates are opposite, the two guide plates are respectively fixedly arranged on the sliding conveyor belt frame and the fixed conveyor belt frame, and the two guide plates are oppositely arranged and respectively connected on the belt shaft in the bottom shell conveyor belt in a sliding manner; the lifting motor is installed at the bottom of the feeding frame, an output shaft of the lifting motor is connected with the lower end of the lifting screw rod through a lifting belt pulley group, the lifting screw rod is rotatably installed on the feeding frame, one end of the lifting table is in threaded connection with the middle of the lifting screw rod through a screw rod nut, the lifting table is in sliding connection with the lifting guide rail, and the lifting guide rail is fixedly installed on the feeding frame.
The assembly platform comprises an assembly bottom plate, an assembly plate slide rail, two conveying belt mounting plates, an assembly conveying assembly, a width motor, a width belt pulley group, a width screw rod, a positioning cylinder, a positioning block, a limiting cylinder and a limiting block;
the assembly bottom plate is fixed on the frame, the mounting plate slide rails are fixed on the assembly bottom plate, one conveyer belt mounting plate is connected on the mounting plate slide rails in a sliding mode, the other conveyer belt mounting plate is fixedly mounted on the assembly bottom plate, the two conveyer belt mounting plates are arranged oppositely, and the assembly conveying assembly is mounted on the conveyer belt mounting plates and the frame; the assembly conveying assembly comprises two assembly belts, an assembly belt motor, an assembly belt shaft, two groups of assembly belt wheels and an assembly belt wheel set, wherein the two assembly belts are respectively wound on the two groups of belt wheels; the width motor is fixedly arranged on the assembly bottom plate, an output shaft of the width motor is connected with one end of a width screw rod through a width belt pulley group, the middle part of the width screw rod is in threaded connection with one conveyer belt mounting plate, and the other end of the width screw rod is rotatably arranged on the other conveyer belt mounting plate; the cylinder body of the positioning cylinder is fixed on the conveying belt mounting plate, the piston rod end of the positioning cylinder is connected with the positioning block, the positioning block transversely extends to the assembly conveying assembly and is used for lateral positioning of a bottom shell of an assembled PCB, the cylinder body of the limiting cylinder is fixedly arranged on the assembly bottom plate, the piston rod end of the limiting cylinder is connected with the limiting block, and the limiting block abuts against the discharge end of the assembly conveying assembly and is used for limiting the moving direction of the bottom shell of the assembled PCB.
The PCB receiving platform comprises a receiving guide rail, a receiving lifting seat, a receiving lifting motor, a receiving lead screw, a receiving motor, a receiving belt pulley group, a receiving conveying belt, a receiving platform and a receiving platform cylinder; the receiving lifting seat is rotatably arranged on the rack and is parallel to the receiving guide rail, the receiving lifting seat is driven to move up and down, the receiving motor is arranged on the receiving lifting seat, an output shaft of the receiving motor is connected with the receiving conveying belt through a receiving belt pulley group, and the receiving conveying belt is arranged on the top surface of the receiving lifting seat; the cylinder body of the material receiving table cylinder is fixed on the bottom surface of the middle part of the material receiving lifting seat, the rod end of a piston rod of the material receiving table cylinder is upwards connected with the bottom surface of the material receiving table, and the material receiving table can be upwards jacked up.
The PCB feeding conveying line comprises two feeding chains, two chain wheel groups, a feeding motor and a chain wheel shaft; the two chains are respectively wound on the two chain wheel sets, the feeding motor is fixedly installed on the rack and is connected with the chain wheel sets through a chain wheel shaft to drive the chain wheel sets to rotate, and the chain wheel shaft is rotatably installed on the rack.
The PCB feeding conveying line further comprises a material pressing cylinder and a lower pressing block; the cylinder body of the material pressing cylinder is installed on the rack, the end of a piston rod of the material pressing cylinder is downwards connected with the lower pressing block, and the lower pressing block is located right above the feeding chain.
The PCB turnover mechanism comprises a cylinder seat, a turnover cylinder, a turnover seat, a clamping jaw, a rack, a turnover guide rail, a feeding and withdrawing belt and a feeding and withdrawing motor; the cylinder seat is fixed on the frame, the cylinder body of the turnover cylinder is fixedly arranged on the cylinder seat, the end of a piston rod of the turnover cylinder is connected with one end of the turnover seat, the turnover seat is rotatably arranged on the cylinder seat, and the clamping jaw is arranged on the turnover seat; the rack is also provided with a supporting seat, the supporting seat is fixed on the rack, and the other end of the turnover seat is rotatably arranged on the supporting seat; the turnover guide rail is fixedly arranged on the rack, the cylinder seat is connected to the turnover guide rail in a sliding mode, the end part of the cylinder seat is clamped on the advancing and retreating belt, the advancing and retreating belt is arranged on the rack, one end of the advancing and retreating belt is connected with an output shaft of an advancing and retreating motor, and the advancing and retreating motor is arranged on the rack; the two turnover guide rails are respectively and fixedly arranged on two sides of the rack in parallel; the turnover guide rail on one side is connected with a supporting seat in a sliding mode, and the other end of the turnover seat is rotatably installed on the supporting seat.
The mechanical arm clamping mechanism comprises a mechanical arm, a supporting seat, a clamping cylinder, two clamping plates, a joint port, a sucker, a clamping lifting cylinder and a lifting seat; the mechanical arm adopts a four-axis mechanical arm, the supporting seat is fixedly arranged at the free end of the mechanical arm, the cylinder body of the clamping cylinder is fixed on the top surface of the lower end of the supporting seat, the two clamping plates are respectively fixed at the end of the piston rod of the clamping cylinder and are arranged oppositely, the joint port is fixed on the bottom surface of the lower end of the supporting seat and is positioned between the two clamping plates, the sucking disc is fixedly arranged on the joint port, and the sucking disc is communicated with an external air source through an air port on the joint; the cylinder body of the clamping lifting cylinder is fixedly arranged on the supporting seat, the rod end of a piston rod of the clamping lifting cylinder is connected with the middle part of the lifting seat, the lower part of the lifting seat is sleeved in the middle part of the supporting seat in a clearance manner, and the cylinder body of the clamping cylinder is fixed on the side surface of the lower end of the lifting seat and is positioned on the top surface of the lower end of the supporting seat, so that the two clamping plates are far away from and close to the lower end of the; the outer surface of the clamping lifting cylinder is provided with a guide rail, and the upper part of the lifting seat is in sliding connection with the guide rail.
The invention relates to a production process of LED display screen bottom shell assembly equipment, which comprises the following steps:
(1) placing the PCB on a tray, and conveying the PCB to a discharge end for waiting through a PCB feeding conveying line;
(2) conveying the stacked bottom shells from the feeding end to the discharging end of the bottom shell conveying belt through a bottom shell feeding assembly line, detecting whether the bottom shells still exist on the lifting platform by using the sensor, and waiting for the detection if the bottom shells still exist on the lifting platform; if the bottom shell conveying belt does not convey the whole stack of bottom shells to the lifting table, detecting whether the bottom shells are in place or not through the signal detection device, after the bottom shells are in place, lifting the whole stack of bottom shells to a material taking position through the lifting motor, clamping one bottom shell through two clamping plates of the mechanical arm clamping mechanism, moving to a visual detection position, detecting and judging whether the direction of the bottom shells is correct or not through the visual camera, and if the left end position and the right end position of the bottom shells are found to be reversed, driving the bottom shells to rotate 180 degrees through the mechanical; if the bottom shell placement direction is correct, the bottom shell is not rotated; the mechanical arm clamping mechanism sends the bottom shell to the assembling platform; after the bottom shell is taken, a lifting platform in a bottom shell feeding assembly line quickly descends to the right position, a bottom shell conveying belt starts feeding, the feeding is right position, the lifting platform is connected with the bottom shell and ascends, and the bottom shell is fed again;
(3) conveying the PCB arranged on the tray in the step (1) to a PCB receiving platform, wherein a group of receiving platform air cylinders on the inner side jack up a first PCB upwards through the receiving platform, clamping jaws on the PCB turnover mechanism grasp signal plug-in sockets of the PCB, the clamping jaws grasp the PCB, the receiving platform of the PCB receiving platform descends, and the PCB turnover mechanism turns the PCB 180 degrees through a turning air cylinder so that the back surface of the PCB faces upwards;
(4) the four-axis mechanical arm clamping mechanism sucks the PCB through a sucker, clamping jaws on the PCB turnover mechanism are loosened, the mechanical arm clamping mechanism sucks the PCB and moves the PCB to the upper part of the bottom shell of the assembly platform, the position is visually detected, the position of the PCB at the moment is read, the position of the PCB is preset in a comparison system, the position of the mechanical arm is corrected, and the PCB is placed on the bottom shell;
(5) when the bottom shell is taken and placed on the assembling platform by the mechanical arm clamping mechanism, the positioning blocks and the limiting blocks on the assembling platform position the bottom shell close to the edges to ensure the assembling precision of products, the corrected plates are assembled on the bottom shell by the mechanical arm clamping mechanism, after the assembling is finished, two clamping plates of the mechanical arm clamping mechanism are loosened under the driving of the clamping cylinder, the assembling and conveying assembly is started, and the assembled products are conveyed to a rear-section station to lock screws;
(6) arm fixture gets the PCB board on the tray and adorns on the drain pan, and empty tray connects the material platform through the PCB board and descends to anchor clamps backward flow transfer chain, and anchor clamps backward flow transfer chain carries the discharge end to empty tray and retrieves and reuse.
In the step (3), two groups of material receiving tables and material receiving table cylinders are arranged, after the mechanical arm clamping mechanism takes away a first PCB in the tray, the group of material receiving table cylinders on the outer side jacks up a second PCB upwards through the material receiving tables, the advance and retreat motor of the PCB turnover mechanism drives the cylinder seat to move outwards through the advance and retreat belt, the clamping jaw is driven to move above the second PCB, the signal plug socket of the PCB is grabbed, the clamping jaw grabs the PCB, the material receiving table of the PCB material receiving platform descends, the PCB turnover mechanism overturns the PCB through the overturning cylinder, and the back surface of the PCB is upward; and (4) repeating the action of the step (4).
After the scheme is adopted, the invention comprises a rack, a bottom shell feeding assembly line, an assembly platform, a PCB receiving platform, a PCB feeding conveying line, a PCB overturning mechanism, a mechanical arm clamping mechanism and a clamp backflow conveying line; drain pan material loading assembly line, assembly platform, PCB board connect material platform, PCB board feeding transfer chain, PCB board tilting mechanism, anchor clamps backward flow transfer chain to arrange according to the process needs, and arm fixture transmits drain pan and PCB board between each mechanism, and whole assembling process is automatic completion completely, and the assembly is stable, need not manual operation, and production efficiency is high.
The invention is further described with reference to the following figures and specific embodiments.
Drawings
FIG. 1 is a right side isometric view of the present invention;
FIG. 2 is a left side elevational view of the present invention;
FIG. 3 is an isometric view of the bottom shell loading line of the present invention;
FIG. 4 is an isometric view of a loading frame in the bottom shell loading line of the present invention;
FIG. 5 is an isometric view of the stop mechanism in the bottom case feed line of the present invention;
FIG. 6 is an isometric view of the mounting platform of the present invention;
FIG. 7 is a top view of the mounting platform of the present invention;
fig. 8 is a top isometric view of the PCB board receiving platform of the present invention;
fig. 9 is a bottom isometric view of the PCB board receiving platform of the present invention;
FIG. 10 is a top isometric view of the PCB board feed conveyor line of the present invention;
FIG. 11 is a left side perspective view of the PCB board turnover mechanism of the present invention;
FIG. 12 is a right side perspective view of the PCB board turnover mechanism of the present invention;
FIG. 13 is an isometric view of the robotic arm clamping mechanism of the present invention;
FIG. 14 is a bottom isometric view of the robotic arm clamping mechanism of the present invention;
fig. 15 is an isometric view of a clamping portion of the robot arm clamping mechanism of the present invention.
Detailed Description
As shown in fig. 1 and 2, the invention relates to an assembly device for a bottom shell of an LED display screen, which comprises a rack 1, a bottom shell feeding assembly line 2, an assembly platform 3, a PCB receiving platform 4, a PCB feeding conveyor line 5, a PCB turnover mechanism 6, a mechanical arm clamping mechanism 7 and a clamp backflow conveyor line 8.
The bottom case feeding assembly line 2, the assembly platform 3, the PCB receiving platform 4, the PCB feeding conveying line 5, the PCB overturning mechanism 6, the mechanical arm clamping mechanism 7 and the clamp backflow conveying line 8 are all arranged on the rack 1, a first station of the mechanical arm clamping mechanism 7 is connected with a discharging end of the bottom case feeding assembly line 2, and a second station of the mechanical arm clamping mechanism 7 is connected with the assembly platform 3 so as to place the bottom case on the assembly platform 3; the discharge end of PCB board feeding transfer chain 5 links up with the first station that PCB board connects material platform 4, the second station that PCB board connects material platform 4 links up with the feed end of anchor clamps backward flow transfer chain 8, the feeding station of PCB board tilting mechanism 6 links up with the first station that PCB board connects material platform 4, the ejection of compact station of PCB board tilting mechanism 6 links up with the third station of arm fixture 7, the fourth station and the assembly platform 3 of arm fixture 7 link up to assemble the PCB board on arranging the drain pan on assembly platform 3 in.
As shown in fig. 3 to 5, the bottom shell feeding assembly line 2 includes a width guide rail 21, a sliding conveyor belt frame 22, a fixed conveyor belt frame 23, a bottom shell conveyor belt 24, a width adjusting mechanism 25, a feeding frame 26, a lifting motor 27, a lifting pulley group 28, a lifting screw 29, a lifting guide rail 210, a lifting table 211, and a stopper mechanism 212; the width guide rail 21 is fixed at the bottom of the rack 1, the bottom surface of the sliding conveyor belt frame 22 is in sliding connection with the width guide rail 21, the bottom surface of the fixed conveyor belt frame 23 is fixed on the rack 1 and is parallel to the sliding conveyor belt frame 22, two belts in the bottom shell conveyor belt 24 are respectively installed on the sliding conveyor belt frame 22 and the fixed conveyor belt frame 23 in parallel, and the bottom shell conveyor belt 24 is provided with a width adjusting mechanism 25; the loading frame 26 is vertically fixed on the frame 1 and is located at one end of the sliding conveyor belt frame 22 and the fixed conveyor belt frame 23.
The bottom shell conveyor belt 24 comprises two belts 241, a belt motor (not shown), a belt shaft 243, a motor pulley set 244 and a plurality of pulleys 245; the two belts 241 are respectively wound on the plurality of belt pulleys 245, the belt motor is fixedly installed on the frame 1, the belt motor is connected with the plurality of belt pulleys 245 through a belt shaft 243 to drive the plurality of belt pulleys 245 to rotate, and the belt shaft 243 is rotatably installed on the width adjusting mechanism 25.
There are two bottom shell conveyer belts 24 in bottom shell material loading assembly line 2, two bottom shell conveyer belts 24 are all installed on sliding conveyer belt frame 22 and fixed conveyer belt frame 23 and are linked together, a stopper mechanism 212 is arranged at the linking position of two bottom shell conveyer belts 24, the stopper mechanism 212 includes a stopper cylinder 2121 and a stopper 2122, a cylinder body of the stopper cylinder 2121 is fixedly installed on a width adjusting mechanism 25, a piston rod end of the stopper cylinder 2121 is connected with an outer end of the stopper 2122, an inner end of the stopper 2122 leans against the bottom shell conveyer belt 24, when the bottom shell is conveyed from one bottom shell conveyer belt 24 to the other bottom shell conveyer belt 24, the bottom shell may deviate, and meanwhile, because there may be different linear velocities in two bottom shell conveyer belts 24, the stopper mechanism 212 may play a role in preventing the bottom shell from deviating.
The width adjusting mechanism 25 comprises a hand wheel fixing seat 251, an adjusting hand wheel 252, an adjusting screw rod 253 and two guide plates 254; the hand wheel fixing seat 251 is fixed on the frame 1, the adjusting hand wheel 252 is fixed at the outer end of the adjusting screw rod 253, the middle part of the adjusting screw rod 253 is respectively screwed in the threaded holes of the two guide plates 254, the thread turning directions of the threaded holes of the two guide plates 254 are opposite, the two guide plates 254 are respectively and fixedly installed on the sliding conveyor belt frame 22 and the fixed conveyor belt frame 23, and the two guide plates 254 are oppositely arranged and respectively and slidably connected on the belt shaft 243 in the bottom shell conveyor belt 24.
The lifting motor 27 is installed at the bottom of the loading frame 26, an output shaft of the lifting motor 27 is connected with the lower end of the lifting screw 29 through the lifting belt pulley set 28, the lifting screw 29 is rotatably installed on the loading frame 26, one end of the lifting table 211 is in threaded connection with the middle of the lifting screw through a screw nut, the lifting table 211 is in sliding connection with the lifting guide rail 210, and the lifting guide rail 210 is fixedly installed on the loading frame 26.
The operating principle of the bottom shell material loading assembly line 2 is as follows:
1. drain pan material loading assembly line 2 comprises two drain pan conveyer belts 24, and two drain pan conveyer belts 24 link up each other for the feeding of drain pan 100 is equipped with dog mechanism 212 in linking department between them, in order to prevent the drain pan off tracking, and the discharge end of drain pan conveyer belt 24 links up with elevating platform 211, and elevating platform 211 upwards carries the drain pan.
2. The drain pan material loading assembly line 2 is equipped with width adjustment mechanism 25, the interval of two belts 241 in the regulation drain pan conveyer belt 24 that can be convenient to satisfy the needs of not unidimensional drain pan.
As shown in fig. 6 and 7, the assembly platform 3 further includes an assembly bottom plate 31, a mounting plate slide rail (not shown in the figures), two conveyor belt mounting plates 33, an assembly conveyor assembly 34, a positioning cylinder 35, a positioning block 36, a limiting cylinder 37, a limiting block 38, a width motor 39, a width pulley group 310, and a width screw 311;
the assembly bottom plate 31 is fixed on the frame 1, the mounting plate slide rails are fixed on the assembly bottom plate 31, one conveyer belt mounting plate 33 is connected on the mounting plate slide rails in a sliding manner, the other conveyer belt mounting plate 33 is fixedly arranged on the assembly bottom plate 31, the two conveyer belt mounting plates 33 are arranged oppositely, the assembly conveying assembly 34 is arranged on the conveyer belt mounting plates 33 and the frame 1, the cylinder body of the positioning cylinder 35 is fixed on the conveyer belt mounting plates 33, the piston rod end of the positioning cylinder 35 is connected with the positioning block 36, the positioning block 36 extends to the assembly conveying assembly 34 along the transverse direction, the lateral positioning of the bottom shell of the assembled PCB board is achieved, the assembling precision is guaranteed, the cylinder body of the limiting cylinder 37 is fixedly arranged on the assembling bottom plate 31, the piston rod end of the limiting cylinder 37 is connected with the limiting block 38, the limiting block 38 abuts against the discharging end of the assembling and conveying assembly 34, and the lateral positioning of the bottom shell of the assembled PCB board is used for limiting the moving direction of the bottom shell of the assembled PCB board.
The assembly conveying component 34 comprises two assembly belts 341, an assembly belt motor 342, an assembly belt shaft 343, two sets of assembly belt pulleys 344 and an assembly belt pulley set 345, the two assembly belts 341 are respectively wound on the two sets of belt pulleys 344, the assembly belt motor 342 is fixedly installed on the assembly bottom plate 31, an output shaft of the assembly belt motor 342 is connected with the assembly belt shaft 343 through the assembly belt pulley set 345, the assembly belt shaft 343 is connected with the two sets of assembly belt pulleys 344 to drive the two sets of assembly belt pulleys 344 to rotate, and the assembly belt shaft 343 is rotatably installed on the conveying belt installation plate 33; the width motor 39 is fixedly installed on the assembly bottom plate 31, an output shaft of the width motor 39 is connected with one end of a width screw rod 311 through a width belt pulley group 310, the middle part of the width screw rod 311 is in threaded connection with one conveyor belt installation plate 33, and the other end of the width screw rod 311 is rotatably installed on the other conveyor belt installation plate 33.
The working principle of the assembly platform 3 is as follows:
1. the assembly conveying assembly 34 is used for feeding the bottom shell 100 with the PCB assembled, the bottom shell is positioned close to the side by the positioning block 36 driven by the positioning cylinder 35, the accuracy of the product position is guaranteed, the limiting block 38 driven by the limiting cylinder 37 is abutted against the discharge end of the assembly conveying assembly 34 and used for limiting the moving direction of the bottom shell with the PCB assembled, and the screw locking process is carried out at the position.
2. The width adjusting mechanism composed of the width motor 39, the width pulley group 310, the width screw 311, etc. can adjust the distance between the two assembling belts 341 in the assembling and conveying assembly 34 to meet the requirements of bottom cases with different sizes.
As shown in fig. 10, the PCB feeding conveyor line 5 includes two feeding chains 51, two sprocket sets 52, a feeding motor (not shown), a sprocket shaft 54, a pressing cylinder 55, and a pressing block 56; the two chains 51 are respectively wound on the two chain wheel sets 52, the feeding motor is fixedly arranged on the rack 1, the feeding motor is connected with the chain wheel sets 52 through chain wheel shafts 54 to drive the chain wheel sets 52 to rotate, and the chain wheel shafts 54 are rotatably arranged on the rack 1; the cylinder body of the material pressing cylinder 55 is installed on the rack 1, the rod end of a piston rod of the material pressing cylinder 55 is downwards connected with the lower pressing block 56, and the lower pressing block 56 is located right above the feeding chain 51 and used for limiting the outer edge of the tray provided with the PCB so as to prevent the tray from deviating and play a role in auxiliary positioning.
The working principle of the PCB feeding conveying line 5 is as follows:
the feeding motor drives the feeding chain 51 to act through the chain wheel set 52 and is used for carrying feeding of a tray provided with the PCB on the feeding chain 51; the material pressing cylinder 55 drives the lower pressing block 56 downwards, so that the lower pressing block 56 is pressed on the outer edge of the tray for limiting, and the auxiliary positioning effect is achieved.
The structure of the clamp reflow conveying line 8 is basically the same as that of the PCB feeding conveying line 5, and the description is omitted.
As shown in fig. 8 and 9, the PCB receiving platform 4 includes a receiving guide rail 41, a receiving lifting seat 42, a receiving lifting motor 43, a receiving screw 44, a receiving platform 45, a receiving platform cylinder 46, a receiving motor 47, a receiving belt pulley set 48, and a receiving conveyor belt 49; the material receiving guide rail 41 is vertically installed on the rack 1, the material receiving lifting seat 42 is connected to the material receiving guide rail 41 in a sliding mode, the inner end of the material receiving lifting seat 42 is in threaded connection with the material receiving screw rod 44 through a screw rod nut, the material receiving screw rod 44 is rotatably installed on the rack 1 and is parallel to the material receiving guide rail 41, the material receiving lifting seat 42 is driven to move up and down, a cylinder body of the material receiving table cylinder 46 is fixed to the bottom surface of the middle of the material receiving lifting seat 42, the rod end of a piston rod of the material receiving table cylinder 46 is upwards connected with the bottom surface of the; the receiving motor 47 is installed on the receiving lifting seat 42, an output shaft of the receiving motor 47 is connected with the receiving conveyer belt 49 through the receiving belt pulley set 48, and the receiving conveyer belt 49 is installed on the top surface of the receiving lifting seat 42.
The material receiving table 45 and the material receiving table cylinders 46 are arranged in two groups and used for alternately jacking up the PCB in the tray upwards so as to realize continuous production.
The working principle of the PCB receiving platform 4 is as follows:
the material receiving lifting motor 43 can drive the material receiving lifting seat 42 to move up and down through the material receiving screw rod 44 so as to move the material receiving lifting seat 42 to working positions with different heights, and the material receiving platform 45 arranged in the material receiving lifting seat 42 can be jacked up upwards under the driving of the material receiving platform cylinder 46, so that a manipulator can conveniently take out a workpiece; the material receiving motor 47 drives the material receiving conveying belt 49 to move through the material receiving belt pulley group 48, so that the tray can be conveniently sent into or out of the working platform.
As shown in fig. 11 and 12, the PCB board turnover mechanism 6 includes a cylinder base 61, a turnover cylinder 62, a turnover base 63, and a clamping jaw 64; the cylinder seat 61 is fixed on the frame 1, the cylinder body of the turning cylinder 62 is fixedly installed on the cylinder seat 61, the rod end of the piston rod of the turning cylinder 62 is connected with one end of the turning seat 63, the turning seat 63 is rotatably installed on the cylinder seat 61, and the clamping jaw 64 is installed on the turning seat 63.
The rack 1 is also provided with a supporting seat 66, the supporting seat 66 is fixed on the rack 1, and the other end of the overturning seat 63 is rotatably arranged on the supporting seat 66.
The PCB board turnover mechanism 6 also comprises a turnover guide rail 67, a forward and backward belt 68 and a forward and backward motor 69; the reversing guide rail 67 is fixedly arranged on the frame 1, the cylinder seat 61 is connected on the reversing guide rail 67 in a sliding way, the end part of the cylinder seat 61 is clamped on the advancing and retreating belt 68, the advancing and retreating belt 68 is arranged on the frame 1, one end of the advancing and retreating belt 68 is connected with an output shaft of an advancing and retreating motor 69, and the advancing and retreating motor 69 is arranged on the frame 1.
The two overturning guide rails 67 are respectively and fixedly arranged on two sides of the machine frame 1 in parallel.
The turning guide rail 610 on one side is slidably connected with a supporting seat 66, and the other end of the turning seat 63 is rotatably arranged on the supporting seat 66.
The working principle of the PCB turnover mechanism 6 is as follows:
because the PCB is provided with the signal plug socket which protrudes out of the front surface of the PCB, the clamping jaw 64 arranged on the turnover seat 63 can clamp the signal plug socket on the PCB, the turnover cylinder 62 drives the turnover seat 63 to turn over, the PCB is turned over for 180 degrees, the back surface of the PCB faces upwards, and the sucking disc on the manipulator is waited for sucking; meanwhile, the advance and retreat motor 69 drives the cylinder block 61 to move back and forth through the advance and retreat belt 68, and can drive the clamping jaw 64 to move to a front station and a rear station to clamp any one of two PCB boards placed in the same tray, so that the time for waiting for the manipulator to return to take materials is shortened, and more efficient mechanical operation is realized.
As shown in fig. 13-15, the robot clamping mechanism 7 includes a robot 71, a support base 72, a clamping rail 73, a clamping lift cylinder 74, a lift base 75, a clamping cylinder 76, two clamping plates 77, a joint port 78, and a suction cup 79.
The mechanical arm 71 adopts a four-shaft mechanical arm, the supporting seat 72 is fixedly arranged at the free end of the mechanical arm 71, the clamping guide rail 73 is fixed on the outer surface of the clamping lifting cylinder 76, the cylinder body of the clamping lifting cylinder 76 is fixedly arranged on the supporting seat 72, the rod end of a piston rod of the clamping lifting cylinder 74 is connected with the middle part of the lifting seat 75, the upper part of the lifting seat 75 is in sliding connection with the clamping guide rail 73, the lower part of the lifting seat 75 is sleeved in the middle part of the supporting seat 72 in a clearance manner, the cylinder body of the clamping cylinder 76 is fixed on the side surface of the lower end of the lifting seat 75 and is positioned on the top surface of the lower end of the supporting seat 72, the two clamping plates 77 are respectively fixed at the rod end of the piston rod of the clamping cylinder; the joint port 78 is fixed on the bottom surface of the lower end of the supporting seat 72 and the joint port 78 is positioned between the two clamping plates 77, the suction cup 79 is fixedly arranged on the joint port 78, and the external air source provides the suction cup 79 with the air pressure required for sucking the PCB through the air port 781 on the joint port 78.
The mechanical arm clamping mechanism 7 has the working principle that:
the mechanical arm 71 drives the supporting seat 72 to move, the mechanical arm clamping mechanism 7 is respectively moved to the positions right above the PCB and the bottom shell to take materials, and then the PCB and the bottom shell are respectively moved to assembly positions to be assembled; specifically, when the bottom shell is moved to the upper part of the bottom shell, the mechanical arm 71 drives the supporting seat 72 to descend, meanwhile, the clamping lifting cylinder 74 drives the lifting seat 75 to move downwards, the clamping cylinder 76 and the clamping plates 77 which are arranged on the lifting seat 75 move downwards, the clamping cylinder 76 drives the two clamping plates 77 to clamp the bottom shell, the mechanical arm 71 drives the supporting seat 72 which clamps the bottom shell to move to an assembling position, and the bottom shell is put down; the mechanical arm 71 drives the supporting seat 72 to move to the position above the PCB, the mechanical arm 71 drives the supporting seat 72 to descend, the sucking disc 79 adsorbs the PCB, the PCB is moved to the assembling position, and the PCB is placed on the bottom shell to complete assembling; the two grabbing mechanisms are fixed on the supporting seat 72, and different materials can be grabbed alternately through the mechanical arm 71, so that the space is greatly saved, and the mechanism is simpler.
The invention relates to a production process of LED display screen bottom shell assembly equipment, which comprises the following steps:
(1) placing two PCBs on the tray side by side, and conveying the PCBs to a discharge end for waiting through a PCB feeding conveying line 5;
(2) conveying the stacked bottom shells from the feeding end to the discharging end of the bottom shell conveying belt 24 through a bottom shell feeding assembly line 2, detecting whether the bottom shells exist on the lifting table 211 by using a sensor, and waiting for the detection if the bottom shells exist on the lifting table 211; if not, the bottom shell conveyer belt 24 sends the whole stack of bottom shells to the lifting table 211, the signal detection device detects whether the bottom shells are in place or not, after the bottom shells are in place, the lifting motor 27 lifts the whole stack of bottom shells to a material taking position, one bottom shell is clamped by the two clamping plates 77 of the mechanical arm clamping mechanism 7 and is moved to a visual detection position, a visual camera (not shown in the figure) is used for detecting and judging whether the direction of the bottom shells is correct or not, and if the left end position and the right end position of the bottom shells are found to be reversed, the mechanical arm 71 drives the bottom shells; if the bottom shell placement direction is correct, the bottom shell is not rotated; the mechanical arm clamping mechanism 7 sends the bottom shell to the assembling platform 3; after the bottom shell is taken, the lifting platform 211 in the bottom shell feeding assembly line 2 quickly descends to the right position, the bottom shell conveyer belt 24 starts to feed materials, the materials are fed to the right position, the lifting platform 211 is connected with the bottom shell to ascend, and bottom shell feeding is carried out again;
(3) conveying the PCB arranged on the tray in the step (1) to a PCB receiving platform 4, jacking a first PCB upwards by a group of receiving platform cylinders 46 at the inner side through a receiving platform 45, grabbing a signal inserting seat of the PCB by a clamping jaw 64 on a PCB overturning mechanism 6, grabbing the PCB by the clamping jaw 64, descending the receiving platform 45 of the PCB receiving platform 4, overturning the PCB by 180 degrees by the PCB overturning mechanism 6 through an overturning cylinder 62, and enabling the back surface of the PCB to face upwards;
(4) the four-axis mechanical arm clamping mechanism 7 sucks the PCB through the sucking disc 79, the clamping jaw 64 on the PCB overturning mechanism 6 is loosened, the mechanical arm clamping mechanism 7 sucks the PCB and moves the PCB to the upper part of the bottom shell of the assembly platform 3, the position is visually detected, the position of the PCB at the moment is read, the position of the PCB is preset in a comparison system, the position of the mechanical arm 1 is corrected, and the PCB is placed on the bottom shell;
(5) when the mechanical arm clamping mechanism 7 puts the bottom shell into the bottom shell assembly platform 3, the positioning blocks 35 and the limiting blocks 36 on the assembly platform 3 position the bottom shell close to the side to ensure the assembly precision of a product, the mechanical arm clamping mechanism 7 assembles the corrected PCB on the bottom shell, after the assembly is finished, two clamping plates 77 of the mechanical arm clamping mechanism 7 are loosened under the driving of a clamping cylinder 76, an assembly conveying assembly 34 is started, and the assembled product is conveyed to a rear-section station for locking screws;
(6) in the step (3), two groups of material receiving tables 45 and material receiving table cylinders 46 are arranged, after the mechanical arm clamping mechanism 7 takes away the first PCB in the tray, the outer group of material receiving table cylinders 46 jack the second PCB upwards through the material receiving tables 45, the advancing and retreating motor 69 of the PCB board turnover mechanism 6 drives the cylinder seat 61 to move outwards through the advancing and retreating belt 68, the clamping jaw 64 is driven to move above the second PCB, the signal plug socket of the PCB is grabbed, the clamping jaw 64 grabs the PCB, the material receiving tables 45 of the PCB board material receiving platform 4 descend, the PCB board turnover mechanism 6 turns over the PCB board 180 degrees through the turnover cylinder 62, and the back of the PCB board faces upwards; repeating the action of the step (4);
(7) arm fixture 7 gets the PCB board on the tray and adorns to the drain pan on, empty tray connects material platform 4 to descend to anchor clamps backward flow transfer chain 8 through the PCB board, and anchor clamps backward flow transfer chain 8 carries the discharge end to empty tray and retrieves and reuse.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents and modifications within the scope of the description.

Claims (10)

1. The utility model provides a LED display screen drain pan rigging equipment which characterized in that: the PCB turnover mechanism comprises a rack, a bottom shell feeding assembly line, an assembly platform, a PCB receiving platform, a PCB feeding conveying line, a PCB turnover mechanism, a mechanical arm clamping mechanism and a clamp backflow conveying line;
the bottom case feeding assembly line, the assembly platform, the PCB receiving platform, the PCB feeding conveying line, the PCB overturning mechanism, the mechanical arm clamping mechanism and the clamp backflow conveying line are all arranged on the rack, a first station of the mechanical arm clamping mechanism is connected with a discharging end of the bottom case feeding assembly line, and a second station of the mechanical arm clamping mechanism is connected with the assembly platform; the discharge end of PCB board feeding transfer chain links up with the first station that the PCB board connects the material platform, and the PCB board connects the second station that the material platform linked up with the feed end of anchor clamps backward flow transfer chain, and PCB board tilting mechanism's feeding station links up with the first station that the PCB board connects the material platform, and PCB board tilting mechanism's ejection of compact station links up with the third station of arm fixture, and arm fixture's fourth station links up with assembly platform to assemble the PCB board on the drain pan.
2. The LED display screen bottom case assembling apparatus of claim 1, wherein: the bottom shell feeding assembly line comprises a width guide rail, a sliding conveying belt frame, a fixed conveying belt frame, a bottom shell conveying belt, a width adjusting mechanism, a feeding frame, a lifting motor, a lifting belt pulley group, a lifting screw rod, a lifting guide rail and a lifting platform; the width guide rail is fixed at the bottom of the rack, the bottom surface of the sliding conveyor belt rack is connected to the width guide rail in a sliding mode, the bottom surface of the fixed conveyor belt rack is fixed on the rack and is parallel to the sliding conveyor belt rack, two belts in the bottom shell conveyor belt are respectively installed on the sliding conveyor belt rack and the fixed conveyor belt rack in parallel, and the bottom shell conveyor belt is provided with a width adjusting mechanism; the feeding frame is vertically fixed on the rack and is positioned at one end of the sliding conveying belt frame and one end of the fixed conveying belt; the bottom shell conveying belt comprises two belts, a belt motor, a belt shaft, a motor belt pulley group and a plurality of belt pulleys; the two belts are respectively wound on the belt pulleys, the belt motor is fixedly arranged on the rack and is connected with the belt pulleys through belt shafts to drive the belt pulleys to rotate, and the belt shafts are rotatably arranged on the width adjusting mechanism; the bottom shell conveying belts are two, and the two bottom shell conveying belts are arranged on the sliding conveying belt rack and the fixed conveying belt rack and are connected with each other; a stop block mechanism is arranged at the joint of the two bottom shell conveying belts and comprises a stop block cylinder and a stop block, the cylinder body of the stop block cylinder is fixedly arranged on the width adjusting mechanism, the end of a piston rod of the stop block cylinder is connected with the outer end of the stop block, and the inner end of the stop block leans against the bottom shell conveying belts; the width adjusting mechanism comprises a hand wheel fixing seat, an adjusting hand wheel, an adjusting screw rod and two guide plates; the hand wheel fixing seat is fixed on the frame, the adjusting hand wheel is fixed at the outer end of the adjusting screw rod, the middle part of the adjusting screw rod is respectively screwed in the threaded holes of the two guide plates, the thread turning directions of the threaded holes of the two guide plates are opposite, the two guide plates are respectively fixedly arranged on the sliding conveyor belt frame and the fixed conveyor belt frame, and the two guide plates are oppositely arranged and respectively connected on the belt shaft in the bottom shell conveyor belt in a sliding manner; the lifting motor is installed at the bottom of the feeding frame, an output shaft of the lifting motor is connected with the lower end of the lifting screw rod through a lifting belt pulley group, the lifting screw rod is rotatably installed on the feeding frame, one end of the lifting table is in threaded connection with the middle of the lifting screw rod through a screw rod nut, the lifting table is in sliding connection with the lifting guide rail, and the lifting guide rail is fixedly installed on the feeding frame.
3. The LED display screen bottom case assembling apparatus of claim 1, wherein: the assembly platform comprises an assembly bottom plate, an assembly plate slide rail, two conveying belt mounting plates, an assembly conveying assembly, a width motor, a width belt pulley group, a width screw rod, a positioning cylinder, a positioning block, a limiting cylinder and a limiting block;
the assembly bottom plate is fixed on the frame, the mounting plate slide rails are fixed on the assembly bottom plate, one conveyer belt mounting plate is connected on the mounting plate slide rails in a sliding mode, the other conveyer belt mounting plate is fixedly mounted on the assembly bottom plate, the two conveyer belt mounting plates are arranged oppositely, and the assembly conveying assembly is mounted on the conveyer belt mounting plates and the frame; the assembly conveying assembly comprises two assembly belts, an assembly belt motor, an assembly belt shaft, two groups of assembly belt wheels and an assembly belt wheel set, wherein the two assembly belts are respectively wound on the two groups of belt wheels; the width motor is fixedly arranged on the assembly bottom plate, an output shaft of the width motor is connected with one end of a width screw rod through a width belt pulley group, the middle part of the width screw rod is in threaded connection with one conveyer belt mounting plate, and the other end of the width screw rod is rotatably arranged on the other conveyer belt mounting plate; the cylinder body of the positioning cylinder is fixed on the conveying belt mounting plate, the piston rod end of the positioning cylinder is connected with the positioning block, the positioning block transversely extends to the assembly conveying assembly and is used for lateral positioning of a bottom shell of an assembled PCB, the cylinder body of the limiting cylinder is fixedly arranged on the assembly bottom plate, the piston rod end of the limiting cylinder is connected with the limiting block, and the limiting block abuts against the discharge end of the assembly conveying assembly and is used for limiting the moving direction of the bottom shell of the assembled PCB.
4. The LED display screen bottom case assembling apparatus of claim 1, wherein: the PCB receiving platform comprises a receiving guide rail, a receiving lifting seat, a receiving lifting motor, a receiving lead screw, a receiving motor, a receiving belt pulley group, a receiving conveying belt, a receiving platform and a receiving platform cylinder; the receiving lifting seat is rotatably arranged on the rack and is parallel to the receiving guide rail, the receiving lifting seat is driven to move up and down, the receiving motor is arranged on the receiving lifting seat, an output shaft of the receiving motor is connected with the receiving conveying belt through a receiving belt pulley group, and the receiving conveying belt is arranged on the top surface of the receiving lifting seat; the cylinder body of the material receiving table cylinder is fixed on the bottom surface of the middle part of the material receiving lifting seat, the rod end of a piston rod of the material receiving table cylinder is upwards connected with the bottom surface of the material receiving table, and the material receiving table can be upwards jacked up.
5. The LED display screen bottom case assembling apparatus of claim 1, wherein: the PCB feeding conveying line comprises two feeding chains, two chain wheel groups, a feeding motor and a chain wheel shaft; the two chains are respectively wound on the two chain wheel sets, the feeding motor is fixedly installed on the rack and is connected with the chain wheel sets through a chain wheel shaft to drive the chain wheel sets to rotate, and the chain wheel shaft is rotatably installed on the rack.
6. The LED display screen bottom case assembling apparatus of claim 1, wherein: the PCB feeding conveying line further comprises a material pressing cylinder and a lower pressing block; the cylinder body of the material pressing cylinder is installed on the rack, the end of a piston rod of the material pressing cylinder is downwards connected with the lower pressing block, and the lower pressing block is located right above the feeding chain.
7. The LED display screen bottom case assembling apparatus of claim 1, wherein: the PCB turnover mechanism comprises a cylinder seat, a turnover cylinder, a turnover seat, a clamping jaw, a rack, a turnover guide rail, a feeding and withdrawing belt and a feeding and withdrawing motor; the cylinder seat is fixed on the frame, the cylinder body of the turnover cylinder is fixedly arranged on the cylinder seat, the end of a piston rod of the turnover cylinder is connected with one end of the turnover seat, the turnover seat is rotatably arranged on the cylinder seat, and the clamping jaw is arranged on the turnover seat; the rack is also provided with a supporting seat, the supporting seat is fixed on the rack, and the other end of the turnover seat is rotatably arranged on the supporting seat; the turnover guide rail is fixedly arranged on the rack, the cylinder seat is connected to the turnover guide rail in a sliding mode, the end part of the cylinder seat is clamped on the advancing and retreating belt, the advancing and retreating belt is arranged on the rack, one end of the advancing and retreating belt is connected with an output shaft of an advancing and retreating motor, and the advancing and retreating motor is arranged on the rack; the two turnover guide rails are respectively and fixedly arranged on two sides of the rack in parallel; the turnover guide rail on one side is connected with a supporting seat in a sliding mode, and the other end of the turnover seat is rotatably installed on the supporting seat.
8. The LED display screen bottom case assembling apparatus of claim 1, wherein: the mechanical arm clamping mechanism comprises a mechanical arm, a supporting seat, a clamping cylinder, two clamping plates, a joint port, a sucker, a clamping lifting cylinder and a lifting seat; the mechanical arm adopts a four-axis mechanical arm, the supporting seat is fixedly arranged at the free end of the mechanical arm, the cylinder body of the clamping cylinder is fixed on the top surface of the lower end of the supporting seat, the two clamping plates are respectively fixed at the end of the piston rod of the clamping cylinder and are arranged oppositely, the joint port is fixed on the bottom surface of the lower end of the supporting seat and is positioned between the two clamping plates, the sucking disc is fixedly arranged on the joint port, and the sucking disc is communicated with an external air source through an air port on the joint; the cylinder body of the clamping lifting cylinder is fixedly arranged on the supporting seat, the rod end of a piston rod of the clamping lifting cylinder is connected with the middle part of the lifting seat, the lower part of the lifting seat is sleeved in the middle part of the supporting seat in a clearance manner, and the cylinder body of the clamping cylinder is fixed on the side surface of the lower end of the lifting seat and is positioned on the top surface of the lower end of the supporting seat, so that the two clamping plates are far away from and close to the lower end of the; the outer surface of the clamping lifting cylinder is provided with a guide rail, and the upper part of the lifting seat is in sliding connection with the guide rail.
9. The production process of the LED display screen bottom shell assembly equipment is characterized in that: the method comprises the following steps:
(1) placing the PCB on a tray, and conveying the PCB to a discharge end for waiting through a PCB feeding conveying line;
(2) conveying the stacked bottom shells from the feeding end to the discharging end of the bottom shell conveying belt through a bottom shell feeding assembly line, detecting whether the bottom shells still exist on the lifting platform by using the sensor, and waiting for the detection if the bottom shells still exist on the lifting platform; if the bottom shell conveying belt does not convey the whole stack of bottom shells to the lifting table, detecting whether the bottom shells are in place or not through the signal detection device, after the bottom shells are in place, lifting the whole stack of bottom shells to a material taking position through the lifting motor, clamping one bottom shell through two clamping plates of the mechanical arm clamping mechanism, moving to a visual detection position, detecting and judging whether the direction of the bottom shells is correct or not through the visual camera, and if the left end position and the right end position of the bottom shells are found to be reversed, driving the bottom shells to rotate 180 degrees through the mechanical; if the bottom shell placement direction is correct, the bottom shell is not rotated; the mechanical arm clamping mechanism sends the bottom shell to the assembling platform; after the bottom shell is taken, a lifting platform in a bottom shell feeding assembly line quickly descends to the right position, a bottom shell conveying belt starts feeding, the feeding is right position, the lifting platform is connected with the bottom shell and ascends, and the bottom shell is fed again;
(3) conveying the PCB arranged on the tray in the step (1) to a PCB receiving platform, wherein a group of receiving platform air cylinders on the inner side jack up a first PCB upwards through the receiving platform, clamping jaws on the PCB turnover mechanism grasp signal plug-in sockets of the PCB, the clamping jaws grasp the PCB, the receiving platform of the PCB receiving platform descends, and the PCB turnover mechanism turns the PCB 180 degrees through a turning air cylinder so that the back surface of the PCB faces upwards;
(4) the four-axis mechanical arm clamping mechanism sucks the PCB through a sucker, clamping jaws on the PCB turnover mechanism are loosened, the mechanical arm clamping mechanism sucks the PCB and moves the PCB to the upper part of the bottom shell of the assembly platform, the position is visually detected, the position of the PCB at the moment is read, the position of the PCB is preset in a comparison system, the position of the mechanical arm is corrected, and the PCB is placed on the bottom shell;
(5) when the bottom shell is taken and placed on the assembling platform by the mechanical arm clamping mechanism, the positioning blocks and the limiting blocks on the assembling platform position the bottom shell close to the edges to ensure the assembling precision of products, the corrected plates are assembled on the bottom shell by the mechanical arm clamping mechanism, after the assembling is finished, two clamping plates of the mechanical arm clamping mechanism are loosened under the driving of the clamping cylinder, the assembling and conveying assembly is started, and the assembled products are conveyed to a rear-section station to lock screws;
(6) arm fixture gets the PCB board on the tray and adorns on the drain pan, and empty tray connects the material platform through the PCB board and descends to anchor clamps backward flow transfer chain, and anchor clamps backward flow transfer chain carries the discharge end to empty tray and retrieves and reuse.
10. The production process of the LED display screen bottom shell assembly equipment according to claim 9, characterized in that: in the step (3), two groups of material receiving tables and material receiving table cylinders are arranged, after the mechanical arm clamping mechanism takes away a first PCB in the tray, the group of material receiving table cylinders on the outer side jacks up a second PCB upwards through the material receiving tables, the advance and retreat motor of the PCB turnover mechanism drives the cylinder seat to move outwards through the advance and retreat belt, the clamping jaw is driven to move above the second PCB, the signal plug socket of the PCB is grabbed, the clamping jaw grabs the PCB, the material receiving table of the PCB material receiving platform descends, the PCB turnover mechanism overturns the PCB through the overturning cylinder, and the back surface of the PCB is upward; and (4) repeating the action of the step (4).
CN202010784282.4A 2020-08-06 2020-08-06 LED display screen bottom shell assembly equipment and production process thereof Pending CN111843480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010784282.4A CN111843480A (en) 2020-08-06 2020-08-06 LED display screen bottom shell assembly equipment and production process thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010784282.4A CN111843480A (en) 2020-08-06 2020-08-06 LED display screen bottom shell assembly equipment and production process thereof

Publications (1)

Publication Number Publication Date
CN111843480A true CN111843480A (en) 2020-10-30

Family

ID=72972576

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010784282.4A Pending CN111843480A (en) 2020-08-06 2020-08-06 LED display screen bottom shell assembly equipment and production process thereof

Country Status (1)

Country Link
CN (1) CN111843480A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112296689A (en) * 2020-11-25 2021-02-02 苏州协同创新智能制造装备有限公司 Automatic assembly line of business card holder
CN113399977A (en) * 2021-07-09 2021-09-17 湖南湘江鲲鹏信息科技有限责任公司 Rotation type mainboard device of taking
CN114093802A (en) * 2022-01-19 2022-02-25 武汉华工激光工程有限责任公司 Automatic laser repair equipment and method for mini LED flip chip
CN114906590A (en) * 2022-06-30 2022-08-16 苏州格林电子设备有限公司 Automatic feeding reversing machine
CN115042445A (en) * 2022-06-06 2022-09-13 普洛赛斯(苏州)智能装备有限公司 Online assembly laminating equipment
WO2023179554A1 (en) * 2022-03-21 2023-09-28 安费诺凯杰科技(深圳)有限公司 Automatic assembly apparatus for pcb products

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112296689A (en) * 2020-11-25 2021-02-02 苏州协同创新智能制造装备有限公司 Automatic assembly line of business card holder
CN113399977A (en) * 2021-07-09 2021-09-17 湖南湘江鲲鹏信息科技有限责任公司 Rotation type mainboard device of taking
CN114093802A (en) * 2022-01-19 2022-02-25 武汉华工激光工程有限责任公司 Automatic laser repair equipment and method for mini LED flip chip
WO2023179554A1 (en) * 2022-03-21 2023-09-28 安费诺凯杰科技(深圳)有限公司 Automatic assembly apparatus for pcb products
CN115042445A (en) * 2022-06-06 2022-09-13 普洛赛斯(苏州)智能装备有限公司 Online assembly laminating equipment
CN114906590A (en) * 2022-06-30 2022-08-16 苏州格林电子设备有限公司 Automatic feeding reversing machine

Similar Documents

Publication Publication Date Title
CN111843480A (en) LED display screen bottom shell assembly equipment and production process thereof
CN111002036B (en) Section bar drilling device and corresponding full-automatic section bar processing and assembling machine
CN110595534B (en) Automatic detection device for stator and rotor
CN110695233B (en) Middle layer punching production line of electric cooker
CN112466797A (en) Chip assembly feeding and discharging machine
CN212577994U (en) LED display screen drain pan rigging equipment
CN112157549A (en) Automatic machining production line for drum brake pads
CN115138581A (en) All-in-one machine integrating feeding, CCD (charge coupled device) detection, assembly and discharging
CN116924078A (en) Plate processing line body
CN110732868A (en) Automatic screw equipment of beating of work piece
CN213691982U (en) Chip assembly feeding and discharging machine
CN209986688U (en) Robot deburring polishing equipment
CN215401566U (en) Plate hot-pressing production line
CN210824291U (en) Automatic conveying device for workpieces
CN112960330A (en) Automatic plate loader
CN115504259A (en) Carrying module
CN212711608U (en) Plug-in board-level assembly platform
CN211768864U (en) Novel copper sheet of DBC ceramic substrate and equipment of potsherd automatic feeding to fritting furnace
CN113804622A (en) Appearance detection equipment
CN211394284U (en) Pipe supply device of automatic pipe feeding machine of bottle making machine
CN113911723A (en) Tray continuous conveying operation device
CN112509944A (en) Process terminal detection equipment
CN113070227A (en) Automatic test equipment for communication module
CN112551046A (en) Positioning mechanism and conveying mechanism with same
CN220664111U (en) Automatic feeding device of electronic device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination