阅读说明：本技术 一种电路板印刷固定装置 (Circuit board printing fixing device ) 是由 黄洁 于 2021-08-18 设计创作，主要内容包括：本发明涉及一种印刷固定装置,尤其涉及一种电路板印刷固定装置。需要设计一种方便人们对电路板进行印刷,工作效率高,且可对电路板进行固定,不影响电路板印刷精度的电路板印刷固定装置。一种电路板印刷固定装置,包括有：支撑底箱,支撑底箱上设有固定底座；密封顶板,密封顶板安装在支撑底箱上；定向杆,定向杆对称式安装在支撑底箱上。本发明在定位机构和压制功能的配合下,首先将电路板放置在定位横杆上,定位卡块向内摆动对电路板进行限位,启动电动推杆,升降横板带动发热模组向下移动与电路板接触,发热模组对电路板进行印刷,如此,可方便人们对电路板进行印刷,工作效率高,且不易偏移。(The present disclosure relates to printed circuit boards, and particularly to a printed circuit board fixing device. It is necessary to design a circuit board printing fixing device which is convenient for people to print the circuit board, has high working efficiency, can fix the circuit board and does not influence the printing precision of the circuit board. A circuit board print fixture comprising: the supporting bottom box is provided with a fixed base; the sealing top plate is arranged on the supporting bottom box; the orientation rods are symmetrically arranged on the support bottom box. Under the matching of the positioning mechanism and the pressing function, the circuit board is firstly placed on the positioning cross rod, the positioning fixture block swings inwards to limit the circuit board, the electric push rod is started, the lifting cross plate drives the heating module to move downwards to be in contact with the circuit board, and the heating module prints the circuit board.)

1. A kind of circuit board prints the fixing device, characterized by, including:

the supporting bottom box (1), a fixed base (2) is arranged on the supporting bottom box (1);

the sealing top plate (3), the sealing top plate (3) is arranged on the supporting bottom box (1);

the orientation rod (41), the orientation rod (41) is symmetrically installed on the supporting bottom box (1);

the opening plate (4), the opening plate (4) is installed between the two directional rods (41) in a sliding manner;

the heat dissipation top window (5), the heat dissipation top window (5) is installed on the sealing top plate (3);

the sealing cover (61), the sealing cover (61) is hinged on the sealing top plate (3);

the starting button (62), the starting button (62) is installed on the sealing top plate (3);

a stop button (63), wherein the stop button (63) is installed on the sealing top plate (3);

the positioning mechanism (7) is arranged on the supporting bottom box (1) and is used for fixing the circuit board;

and the pressing function (8) is arranged on the supporting bottom box (1) and is used for printing the circuit board.

2. A circuit board print fixing device according to claim 1, characterized in that the positioning means (7) comprise:

the short resetting rods (74), the short resetting rods (74) are symmetrically arranged on the supporting bottom box (1);

the positioning cross rod (71), the positioning cross rod (71) is arranged between the two short resetting rods (74) in a sliding manner;

the fixed short shaft (73), the fixed short shaft (73) is installed on the supporting bottom box (1) in a symmetrical and rotating manner;

and the positioning fixture block (72) is mounted on the fixed short shaft (73).

3. A circuit board print fixing device according to claim 2, characterized in that the pressing function (8) comprises:

the heat dissipation window (81), the heat dissipation window (81) is embedded and installed on the supporting bottom box (1);

the electric push rod (82), the electric push rod (82) is installed on the supporting bottom box (1);

the contact button (83), the contact button (83) is installed on the electric push rod (82) in a sliding way;

the lifting top plate (84), the lifting top plate (84) is arranged on the electric push rod (82);

the positioning upright posts (86), the positioning upright posts (86) are arranged on the supporting bottom box (1) at intervals;

the lifting transverse plates (85), and the lifting transverse plates (85) are arranged between the positioning upright posts (86) in a sliding manner;

the heating module (87), the heating module (87) is arranged on the lifting transverse plate (85);

and the temperature sensor (88), wherein the temperature sensor (88) is installed on the heating module (87).

4. A circuit board print fixing device according to claim 3, further comprising clamping means (9), the clamping means (9) comprising:

the telescopic electromagnetic valve (91), the telescopic electromagnetic valve (91) is installed on the supporting bottom box (1);

the positioning rods (93), the positioning rods (93) are arranged on the supporting bottom box (1) at intervals;

the clamping bottom block (92), the clamping bottom block (92) is installed between the two positioning rods (93) in a sliding mode, and one clamping bottom block (92) is fixedly connected with the telescopic electromagnetic valve (91);

the roller plate (94), the roller plate (94) is installed on clamping the bottom block (92) in a sliding way;

a first drive rack (95), the first drive rack (95) being mounted on one of the clamping shoes (92);

the reversing gear (96) is rotatably arranged on the supporting bottom box (1), and the reversing gear (96) is meshed with the first driving rack (95);

the first driven rack (97), the first driven rack (97) is installed on another clamping bottom block (92), the reversing gear (96) is meshed with the first driven rack (97);

a first pressure sensor (98), the first pressure sensor (98) being mounted on the support chassis (1).

5. A circuit board printing fixture according to claim 4, further comprising an outfeed mechanism (10), the outfeed mechanism (10) comprising:

the second driving rack (101), the second driving rack (101) is symmetrically installed on the lifting transverse plate (85);

the first reversing short shaft (102), the first reversing short shaft (102) is symmetrically and rotatably arranged on the supporting bottom box (1);

the first driven gear (103), the first driven gear (103) is installed on the first reversing stub shaft (102), and the first driven gear (103) is meshed with the second driving rack (101);

the second reversing short shaft (105), the second reversing short shaft (105) is symmetrically and rotatably arranged on the supporting bottom box (1);

a drive belt assembly (104), the drive belt assembly (104) being mounted between the second commutation stub shaft (105) and the first commutation stub shaft (102);

a second driven gear (106), the second driven gear (106) being mounted on the second reversing stub shaft (105);

the second driven rack (107), the second driven rack (107) is installed on the supporting bottom box (1) symmetrically and slidably, the second driven rack (107) is meshed with the second driven gear (106);

the positioning bottom block (108), the positioning bottom block (108) is installed on the second driven rack (107);

the lifting connecting rod (109), the lifting connecting rod (109) is installed on the positioning bottom block (108);

the material conveying frame (1010), the material conveying frame (1010) is arranged between the two lifting connecting rods (109) in a sliding manner;

the positioning lifting plate (1011), the positioning lifting plate (1011) is arranged on the material conveying frame (1010);

the buffer rods (1012), the buffer rods (1012) are arranged on the positioning lifting plate (1011) at intervals;

the reset guide rods (1014) are arranged on the material conveying frame (1010) at intervals;

the positioning roller (1013) is arranged between the reset guide rods (1014) in a sliding way;

the auxiliary rollers (1015), the auxiliary rollers (1015) are symmetrically and rotatably arranged on the material conveying frame (1010);

the first guide block (1016), the first guide block (1016) is installed on the supporting bottom case (1) symmetrically;

the second guide block (1017), the second guide block (1017) is installed on supporting the chassis (1) symmetrically;

a guide plate (1018), the guide plate (1018) being mounted on the support chassis (1).

6. A circuit board print fixing device according to claim 5, characterized in that it further comprises suction means (11), the suction means (11) comprising:

the rubber suction nozzle (111), the rubber suction nozzle (111) is installed on the positioning lifting plate (1011);

the air pump (113), the air pump (113) is installed on supporting the bottom case (1);

the telescopic air duct (112), the telescopic air duct (112) is installed between the air extracting pump (113) and the rubber suction nozzle (111) and communicated with the air extracting pump;

the photoelectric sensor (114) is arranged on the positioning lifting plate (1011);

a second pressure sensor (115), the second pressure sensor (115) being mounted on the support chassis (1);

and a dust cover (116), wherein the dust cover (116) is mounted on the air suction pump (113).

7. A circuit board print fixing device according to claim 6, further comprising a buffer mechanism (12), the buffer mechanism (12) comprising:

the lifting ball rods (121), the lifting ball rods (121) are arranged on the supporting bottom box (1) in a sliding mode at intervals;

the buffer spring (122), the buffer spring (122) is installed between the lifting ball rod (121) and the supporting bottom box (1);

the universal rubber block (123), universal rubber block (123) are installed on lift club (121) rotatably.

8. The printed circuit board fixing device as claimed in claim 7, further comprising an electric control box (6), wherein the electric control box (6) is installed at one side of the supporting bottom box (1) close to the telescopic solenoid valve (91), a switching power supply, a power supply module and a control module are included in the electric control box (6), the switching power supply supplies power to the printed circuit board fixing device, the power supply module is connected with a power main switch through a circuit, and the control module is electrically connected with the power supply module; the control module is connected with a DS1302 clock circuit and a 24C02 circuit; start button (62), stop button (63), contact button (83), temperature sensor (88), photoelectric sensor (114), first pressure sensor (98) and second pressure sensor (115) all with control module electric connection, electric putter (82), flexible solenoid valve (91), generate heat module (87), aspiration pump (113) all pass through peripheral circuit with control module and are connected.

Technical Field

The present disclosure relates to printed circuit boards, and particularly to a printed circuit board fixing device.

Background

In circuit board manufacturing, the circuit is typically printed on a substrate and then fabricated into a circuit board. At present, most people all cooperate the machine to print the circuit board, and at first people will treat the base plate of printing and the half tone of machine to correspond, then start the machine and print, so the operation is more troublesome, and work efficiency is still low, and there is the condition of skew in the printing in-process circuit board, influences circuit board printing accuracy.

Therefore, it is necessary to design a circuit board printing fixing device which is convenient for people to print the circuit board, has high working efficiency, can fix the circuit board and does not influence the printing precision of the circuit board so as to solve the problems in the prior art.

Disclosure of Invention

In order to overcome the defects that the substrate to be printed corresponds to a screen of a machine, the machine is started to print, the operation is troublesome, the working efficiency is low, and the printing precision is influenced due to the condition that a circuit board has deviation, the technical problems of the invention are as follows: the circuit board printing fixing device is convenient for people to print the circuit board, high in working efficiency, capable of fixing the circuit board and free of influencing the printing precision of the circuit board.

The technical implementation scheme of the invention is as follows: a circuit board print fixture comprising: the supporting bottom box is provided with a fixed base; the sealing top plate is arranged on the supporting bottom box; the orientation rods are symmetrically arranged on the support bottom box; the opening plate is arranged between the two directional rods in a sliding manner; the heat dissipation top window is arranged on the sealing top plate; the sealing cover is hinged on the sealing top plate; the starting button is arranged on the sealing top plate; the stop button is arranged on the sealing top plate; the positioning mechanism is arranged on the supporting bottom box and used for fixing the circuit board; and the pressing function is arranged on the supporting bottom box and is used for printing the circuit board.

Further, the positioning mechanism includes: the resetting short rods are symmetrically arranged on the supporting bottom box; the positioning cross rod is arranged between the two short resetting rods in a sliding manner; the fixed short shaft is symmetrically and rotatably arranged on the supporting bottom box; and the positioning fixture block is arranged on the fixed short shaft.

Further, the pressing function includes: the heat dissipation window is embedded on the supporting bottom box; the electric push rod is arranged on the supporting bottom box; the contact button is arranged on the electric push rod in a sliding mode; the lifting top plate is arranged on the electric push rod; the positioning upright posts are arranged on the supporting bottom box at intervals; the lifting transverse plates are arranged between the positioning upright posts in a sliding manner; the heating module is arranged on the lifting transverse plate; and the temperature sensor is arranged on the heating module.

Further, still include clamping mechanism, clamping mechanism includes: the telescopic electromagnetic valve is arranged on the supporting bottom box; the positioning rods are arranged on the supporting bottom box at intervals; the clamping bottom block is arranged between the two positioning rods in a sliding mode, and one clamping bottom block is fixedly connected with the telescopic electromagnetic valve; the roller plate is arranged on the clamping bottom block in a sliding manner; the first driving rack is arranged on one clamping bottom block; the reversing gear is rotatably arranged on the supporting bottom box and meshed with the first driving rack; the first driven rack is arranged on the other clamping bottom block, and the reversing gear is meshed with the first driven rack; the first pressure sensor is arranged on the supporting bottom box.

Further, still including discharge mechanism, discharge mechanism is including: the second driving racks are symmetrically arranged on the lifting transverse plate; the first reversing short shaft is symmetrically and rotatably arranged on the supporting bottom box; the first driven gear is arranged on the first reversing short shaft and meshed with the second driving rack; the second reversing short shaft is symmetrically and rotatably arranged on the supporting bottom box; the transmission belt assembly is arranged between the second reversing short shaft and the first reversing short shaft; the second driven gear is arranged on the second reversing short shaft; the second driven rack is symmetrically and slidably arranged on the supporting bottom box and is meshed with the second driven gear; the positioning bottom block is arranged on the second driven rack; the lifting connecting rod is arranged on the positioning bottom block; the material conveying frame is arranged between the two lifting connecting rods in a sliding manner; the positioning lifting plate is arranged on the material conveying frame; the buffer rods are arranged on the positioning lifting plate at intervals; the reset guide rods are arranged on the material conveying frame at intervals; the positioning roller is arranged between the reset guide rods in a sliding manner; the auxiliary rollers are symmetrically and rotatably arranged on the material conveying frame; the first guide blocks are symmetrically arranged on the supporting bottom box; the second guide blocks are symmetrically arranged on the supporting bottom box; the guide plate is arranged on the supporting bottom box.

Further, still including adsorption apparatus structure, adsorption apparatus structure is including: the rubber suction nozzle is arranged on the positioning lifting plate; the air pump is arranged on the supporting bottom box; the telescopic air guide pipe is arranged between the air extracting pump and the rubber suction nozzle and is communicated with the air extracting pump; the photoelectric sensor is arranged on the positioning lifting plate; the second pressure sensor is arranged on the supporting bottom box; the dust cover is installed on the air extracting pump.

Further, still including buffer gear, buffer gear includes: the lifting ball rods are arranged on the supporting bottom box at intervals in a sliding manner; the buffer spring is arranged between the lifting ball rod and the supporting bottom box; the universal rubber block is rotatably arranged on the lifting ball rod.

The printing fixing device further comprises an electric cabinet, wherein the electric cabinet is arranged on one side of the supporting bottom box close to the telescopic electromagnetic valve, a switching power supply, a power supply module and a control module are arranged in the electric cabinet, the switching power supply supplies power to the printing fixing device, the power supply module is connected with a power main switch through a circuit, and the control module is electrically connected with the power supply module; the control module is connected with a DS1302 clock circuit and a 24C02 circuit; start button, stop button, contact button, temperature sensor, photoelectric sensor, first pressure sensor and second pressure sensor all with control module electric connection, electric putter, flexible solenoid valve, the module that generates heat, aspiration pump all pass through peripheral circuit with control module and are connected.

The invention has the following advantages:

1. under the matching of the positioning mechanism and the pressing function, the circuit board is firstly placed on the positioning cross rod, the positioning fixture block swings inwards to limit the circuit board, the electric push rod is started, the lifting cross plate drives the heating module to move downwards to be in contact with the circuit board, and the heating module prints the circuit board.

2. Under the action of the clamping mechanism, the telescopic electromagnetic valves are started to enable the clamping bottom blocks on the front side and the rear side to move inwards to limit the circuit board, so that the circuit board can be prevented from moving.

3. Under the action of the adsorption mechanism, the air suction pump starts to suck air through the telescopic air guide pipe, and the rubber suction nozzle adsorbs and fixes the circuit board, so that the circuit board can be prevented from sliding off the positioning lifting plate.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial perspective view of the present invention.

Fig. 3 is an enlarged schematic view of part a of the present invention.

Fig. 4 is a partial perspective view of the positioning mechanism of the present invention.

Fig. 5 is a schematic view of a first partial body structure of the pressing function of the present invention.

Fig. 6 is a schematic view of a second partial body structure of the compression function of the present invention.

Fig. 7 is a schematic view of a first partially assembled body of the clamping mechanism of the present invention.

Fig. 8 is an enlarged view of part B of the present invention.

Fig. 9 is a schematic view of a second partially integral construction of the clamping mechanism of the present invention.

Fig. 10 is a perspective view of a third portion of the clamping mechanism of the present invention.

Fig. 11 is a schematic view of a first partially-separated body structure of the discharging mechanism of the present invention.

Fig. 12 is a second partial body structure diagram of the discharge mechanism of the present invention.

Fig. 13 is a perspective view of a third part of the discharging mechanism of the present invention.

Fig. 14 is a schematic view of a first partial bulk structure of the adsorption mechanism of the present invention.

FIG. 15 is a schematic view of a second partial body structure of the adsorption mechanism of the present invention.

Fig. 16 is a partial perspective view of the damper mechanism of the present invention.

Fig. 17 is a circuit block diagram of the present invention.

Fig. 18 is a schematic circuit diagram of the present invention.

In the above drawings: 1: supporting bottom box, 2: unable adjustment base, 3: seal top plate, 4: open-close plate, 41: orientation bar, 5: heat dissipation roof window, 6: electric cabinet, 61: closing cover, 62: start button, 63: stop button, 7: positioning mechanism, 71: positioning cross bar, 72: positioning block, 73: fixed stub shaft, 74: short bar resets, 8: pressing function, 81: heat radiation window, 82: electric putter, 83: contact button, 84: lifting top plate, 85: lifting transverse plate, 86: positioning column, 87: heating module, 88: temperature sensor, 9: clamping mechanism, 91: telescopic solenoid valve, 92: clamping bottom block, 93: positioning rod, 94: roller plate, 95: first drive rack, 96: reversing gear, 97: first driven rack, 98: first pressure sensor, 10: discharge mechanism, 101: second drive rack, 102: first commutation stub, 103: first driven gear, 104: drive belt assembly, 105: second commutation stub, 106: second driven gear, 107: second driven rack, 108: positioning bottom block, 109: lifting connecting rod, 1010: a material conveying rack, 1011: positioning lifting plate, 1012: buffer rod, 1013: positioning roller, 1014: reset guide, 1015: auxiliary roller, 1016: first guide block, 1017: second guide block, 1018: guide plate, 11: adsorption mechanism, 111: rubber suction nozzle, 112: telescopic air duct, 113: air pump, 114: photosensor, 115: second pressure sensor, 116: dust cover, 12: buffer mechanism, 121: elevating club, 122: buffer spring, 123: a universal rubber block.

Detailed Description

Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Example 1

A circuit board printing fixing device is disclosed, as shown in figure 1-figure 6, comprising a supporting bottom case 1, a fixing base 2, a sealing top plate 3, an opening plate 4, an orientation rod 41, a heat dissipation top window 5, a sealing cover 61, a start button 62, a stop button 63, a positioning mechanism 7 and a pressing function 8, wherein the bottom of the supporting bottom case 1 is fixedly connected with the fixing base 2, the top of the supporting bottom case 1 is fixedly connected with the sealing top plate 3, the right side of the front part of the sealing top plate 3 is vertically and symmetrically fixedly connected with the orientation rod 41, the opening plate 4 is slidably arranged between the orientation rods 41 at the upper and lower sides, the upper part of the sealing top plate 3 is fixedly connected with the heat dissipation top window 5, the left upper part of the outer front side surface of the sealing top plate 3 is hinged with the sealing cover 61, the left upper part of the outer front side surface of the sealing top plate 3 is fixedly connected with the start button 62, the left upper part of the outer front side surface of the sealing top plate 3 is fixedly connected with the stop button 63, the stop button 63 is positioned at the right side of the start button 62, the supporting bottom box 1 is provided with a positioning mechanism 7, and the supporting bottom box 1 is also provided with a pressing function 8.

The positioning mechanism 7 comprises a positioning cross rod 71, positioning fixture blocks 72, a fixed short shaft 73 and a reset short rod 74, the reset short rods 74 are symmetrically arranged in front and back of the left part of the supporting bottom box 1, the positioning cross rod 71 is slidably arranged between the reset short rods 74 at the front side and the back side, the fixed short shaft 73 is symmetrically and rotatably arranged in front and back of the upper side of the left part of the supporting bottom box 1, the positioning fixture blocks 72 are fixedly connected to the middle part of the fixed short shaft 73 in the circumferential direction, and the positioning fixture blocks 72 are matched with the positioning cross rod 71.

Suppression function 8 is including heat dissipation window 81, electric putter 82, contact button 83, lift roof 84, lift diaphragm 85, location stand 86, module 87 and temperature sensor 88 generate heat, support 1 left surface middle part is embedded to be equipped with heat dissipation window 81, support 1 bottom left middle side rigid coupling in bottom has electric putter 82, the last sliding type of electric putter 82 is equipped with contact button 83, be connected with lift roof 84 on the electric putter 82, support 1 top left side interval of bottom is equipped with location stand 86, the sliding type is equipped with lift diaphragm 85 between the stand 86, lift diaphragm 85 and lift roof 84 fixed connection, lift diaphragm 85 middle part sliding type is equipped with module 87 that generates heat, the anterior middle side of module 87 that generates heat is equipped with temperature sensor 88.

People press a power supply main switch to electrify the printing fixing device, the temperature sensor 88 starts to work, firstly, an operator places a circuit board on the positioning cross rod 71, the circuit board enables the positioning cross rod 71 to move downwards due to the action of gravity, the positioning cross rod 71 moves downwards to drive the positioning fixture block 72 to swing inwards, the positioning fixture block 72 swings inwards to limit the circuit board, the starting button 62 is pressed once, the starting button 62 sends a signal, the control module receives the signal and controls the electric push rod 82 to contract, the electric push rod 82 drives the lifting top plate 84 to move downwards, the lifting top plate 84 moves downwards to drive the lifting transverse plate 85 to move downwards, the positioning upright post 86 plays a buffering role, the lifting transverse plate 85 moves downwards to drive the heating module 87 to move downwards, the heating module 87 moves downwards to be contacted with the circuit board, and meanwhile, the lifting top plate 84 moves downwards to be contacted with the contact button 83, contact button 83 signals, control module received signal back control module 87 work that generates heat, module 87 that generates heat prints the circuit board, temperature sensor 88 monitors the temperature, when temperature sensor 88 detected the temperature and is higher than the control module rated value, temperature sensor 88 signals, control module received signal back control module 87 that generates heat stops, and control module received signal back still controls electric putter 82 extension 3 seconds, electric putter 82 drives lift diaphragm 85 rebound through lift roof 84 and resets, module 87 that generates heat also the rebound resets, after 3 seconds, control module control electric putter 82 stops, it can to take off the circuit board again and carry out subsequent processing.

Example 2

On the basis of embodiment 1, as shown in fig. 7 to 13, the present invention further comprises a clamping mechanism 9, the clamping mechanism 9 comprises a telescopic solenoid valve 91, a clamping bottom block 92, a positioning rod 93, a roller plate 94, a first driving rack 95, a reversing gear 96, a first driven rack 97 and a first pressure sensor 98, the telescopic solenoid valve 91 is arranged on the upper left front side in the supporting bottom block 1, the positioning rod 93 is arranged on the upper left side in the supporting bottom block 1 at intervals, the clamping bottom block 92 is arranged between the positioning rods 93 on the left and right sides in a sliding manner, the front clamping bottom block 92 is fixedly connected with the telescopic solenoid valve 91, the roller plate 94 is arranged on the upper portion of the clamping bottom block 92 in the sliding manner, the first driving rack 95 is fixedly connected to the lower portion of the right side of the front clamping bottom block 92, the reversing gear 96 is rotatably arranged on the upper rear side of the left side of the supporting bottom block 1, the reversing gear 96 is engaged with the first driving rack 95, the first driven rack 97 is fixedly connected to the lower portion of the right side of the rear clamping bottom block 92, the reversing gear 96 is engaged with the first driven rack 97, and supports the first pressure sensor 98 on the upper middle side of the left portion of the bottom case 1.

The discharging mechanism 10 comprises a second driving rack 101, a first reversing short shaft 102, a first driven gear 103, a transmission belt assembly 104, a second reversing short shaft 105, a second driven gear 106, a second driven rack 107, a positioning bottom block 108, a lifting connecting rod 109, a material conveying frame 1010, a positioning lifting plate 1011, a buffer rod 1012, a positioning roller 1013, a reset guide rod 1014, an auxiliary roller 1015, a first guide block 1016, a second guide block 1017 and a guide plate 1018, the second driving rack 101 is symmetrically fixedly connected with the right side of the bottom of the lifting transverse plate 85 in a front-back symmetrical mode, the first reversing short shaft 102 is symmetrically and rotatably arranged on the upper side of the left part of the supporting bottom box 1 in a front-back symmetrical mode, the first driven gear 103 is fixedly connected with the inner side of the first reversing short shaft 102 in the circumferential direction, the second driven gear 106 is symmetrically and rotatably arranged on the right part of the supporting bottom box 1 in a front-back symmetrical mode, the second reversing short shaft 105 is fixedly connected with the inner side of the second reversing short shaft 105 in the circumferential direction, a transmission belt assembly 104 is connected between the outer circumferential direction of the first reversing short shaft 102 and the outer circumferential direction of the second reversing short shaft 105, a second driven rack 107 is symmetrically arranged at the lower right side of the supporting bottom box 1 in a front-back sliding manner, the second driven rack 107 is engaged with a second driven gear 106, a positioning bottom block 108 is fixedly connected with the left side surface of the second driven rack 107, a lifting connecting rod 109 is fixedly connected with the inner top of the positioning bottom block 108, a material conveying frame 1010 is slidably arranged between the lifting connecting rods 109 at the front side and the rear side, a positioning lifting plate 1011 is fixedly connected with the left side of the material conveying frame 1010, buffer rods 1012 are arranged on the positioning lifting plate 1011 at intervals, reset guide rods 1014 are arranged at intervals at the right side of the material conveying frame 1010, positioning rollers 1013 are slidably arranged between the reset guide rods 1014, auxiliary rollers 1015 are rotatably arranged at the front side and the rear side, a first guide block 1016 is fixedly connected at the upper right side of the front side and the rear side in the supporting bottom box 1, a second guide block 1017 is fixedly connected at the front side and rear side, the second guide block 1017 is located at the right side of the first guide block 1016, and a guide plate 1018 is fixedly connected to the right middle side of the top inside the supporting bottom case 1.

When a person places a circuit board on the positioning cross rod 71, the circuit board enables the positioning cross rod 71 to move downwards, the positioning cross rod 71 moves downwards to be in contact with the first pressure sensor 98, the first pressure sensor 98 sends a signal, the control module receives the signal and controls the telescopic electromagnetic valve 91 to contract, the telescopic electromagnetic valve 91 drives the front clamping bottom block 92 to move backwards, the front clamping bottom block 92 moves backwards to drive the first driving rack 95 to move backwards, the first driving rack 95 moves backwards to drive the reversing gear 96 to reverse, the reversing gear 96 reverses to drive the first driven rack 97 to move forwards, the first driven rack 97 moves forwards to drive the rear clamping bottom block 92 to move forwards, the front and rear clamping bottom blocks 92 move inwards to limit the circuit board, and after the circuit board is printed, the circuit board is taken down for subsequent processing, the roller plate 94 plays a guiding role, and the positioning cross rod 71 moves upwards to be separated from the first pressure sensor 98, the first pressure sensor 98 sends out a signal again, the control module receives the signal and controls the telescopic electromagnetic valve 91 to extend and reset, and the front and rear clamping bottom blocks 92 also move outwards and reset, so that the circuit board can be prevented from moving.

Initially, the lifting link 109 is in a compressed state, when the lifting cross plate 85 moves downward, the lifting cross plate 85 moves downward and also drives the second driving rack 101 to move downward, the second driving rack 101 moves downward and drives the first driven gear 103 to rotate forward, the first driven gear 103 rotates forward and drives the first reversing short shaft 102 to rotate forward, the first reversing short shaft 102 rotates forward and drives the transmission belt assembly 104 to rotate forward, the transmission belt assembly 104 rotates forward and drives the second reversing short shaft 105 to rotate forward, the second reversing short shaft 105 rotates forward and drives the second driven gear 106 to rotate forward, the second driven gear 106 rotates forward and drives the second driven rack 107 to move leftward, the second driven rack 107 moves leftward and drives the positioning bottom block 108 to move leftward, the positioning bottom block 108 moves leftward and drives the lifting link 109 to move leftward, the lifting link 109 moves leftward and drives the material carrying frame 1010 to move leftward, and the auxiliary roller 1015 rolls on the bottom of the first guide block 1016, the material conveying rack 1010 moves leftwards to drive the positioning lifting plate 1011 to move leftwards, the positioning lifting plate 1011 moves leftwards to the bottom of the circuit board, the positioning rollers 1013 play a role in guiding assistance, after the circuit board is printed and fixed, the lifting transverse plate 85 drives the second driving rack 101 to move upwards for resetting, due to the effect of the lifting connecting rod 109, the material conveying rack 1010 drives the positioning lifting plate 1011 to move upwards for resetting, the positioning lifting plate 1011 moves upwards to lift the circuit board, the buffer rod 1012 plays a role in buffering, the material conveying rack 1010 drives the circuit board to move rightwards through the positioning lifting plate 1011, the roller plate 94 plays a role in guiding, the auxiliary rollers 1015 roll on the first guiding block 1016, then the auxiliary rollers 1015 roll along the second guiding block 1017 to enable the material conveying rack 1010 to move downwards for a certain distance, the lifting connecting rod 109 is compressed, the circuit board is taken down for subsequent processing, and therefore, people can take the circuit board down conveniently.

Example 3

On the basis of the embodiment 1 and the embodiment 2, as shown in fig. 14 to 16, the device further includes an adsorption mechanism 11, the adsorption mechanism 11 includes a rubber suction nozzle 111, a telescopic air duct 112, a suction pump 113, a photoelectric sensor 114, a second pressure sensor 115 and a dust cover 116, the rubber suction nozzle 111 is disposed in the middle of the positioning lifting plate 1011, the suction pump 113 is disposed in the right of the supporting bottom case 1, the telescopic air duct 112 is disposed between the suction pump 113 and the rubber suction nozzle 111 and communicated with the suction pump 113, the photoelectric sensor 114 is fixedly connected to the left of the top of the positioning lifting plate 1011, the second pressure sensor 115 is disposed on the upper front side of the right of the supporting bottom case 1, and the dust cover 116 is disposed on the right of the suction pump 113.

The lifting ball arm device is characterized by further comprising a buffer mechanism 12, wherein the buffer mechanism 12 comprises a lifting ball arm 121, a buffer spring 122 and a universal rubber block 123, the lifting ball arm 121 is arranged at the left part of the supporting bottom box 1 in a sliding mode at intervals, the buffer spring 122 is arranged between the bottom end of the lifting ball arm 121 and the left part of the supporting bottom box 1, and the universal rubber block 123 is rotatably arranged on the upper part of the lifting ball arm 121.

When the positioning lifting plate 1011 moves to the bottom of the circuit board leftwards, the photoelectric sensor 114 detects that light is blocked, the photoelectric sensor 114 sends a signal, the control module receives the signal and then controls the air suction pump 113 to work, the air suction pump 113 starts to suck air through the telescopic air guide pipe 112, the rubber suction nozzle 111 also adsorbs and fixes the circuit board, the material conveying rack 1010 drives the circuit board to move rightwards through the positioning lifting plate 1011, the material conveying rack 1010 is in contact with the second pressure sensor 115 and sends a signal, the control module receives the signal and then controls the air suction pump 113 to stop, the rubber suction nozzle 111 stops adsorbing and fixing the circuit board, and then the circuit board is taken down for subsequent processing, so that the circuit board can be prevented from sliding down from the positioning lifting plate 1011.

When the circuit board is placed on the positioning cross bar 71, the universal rubber block 123 plays a certain buffering role through the buffer spring 122, so that the circuit board can be buffered when being fixed in a printing mode.

As shown in fig. 1, 17 and 18, the printing fixing device further comprises an electric cabinet 6, wherein the electric cabinet 6 is installed at the middle lower side of the front part of the supporting bottom box 1, a switching power supply, a power supply module and a control module are arranged in the electric cabinet 6, the switching power supply supplies power to the printing fixing device, the power supply module is connected with a power supply main switch through a circuit, and the control module is electrically connected with the power supply module; the control module is connected with a DS1302 clock circuit and a 24C02 circuit; the start button 62, the stop button 63, the contact button 83, the temperature sensor 88, the photoelectric sensor 114, the first pressure sensor 98 and the second pressure sensor 115 are electrically connected with the control module, and the electric push rod 82, the telescopic solenoid valve 91, the heating module 87 and the air suction pump 113 are all connected with the control module through peripheral circuits.

While the disclosure has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents. Accordingly, the scope of the present disclosure should not be limited to the above-described embodiments, but should be defined not only by the appended claims, but also by equivalents thereof.