CN107697624A - A kind of pcb board conveyer for stencil printer - Google Patents

Abstract

The invention discloses a kind of pcb board conveyer for stencil printer, the conveyer is by carrying case, lift supporting table and pcb board delivery port is formed, the pcb board delivery port is arranged at the feeding side on the left of stencil printer, the top surface and inner bottom surface of carrying case all offer cylinder gap, the inside top of carrying case is fixed with telescopic cylinder, the bottom four corners of lifting supporting table are designed with lifting motor, the lifting motor is fixed on supporting table bottom by motor cabinet, the motor cabinet is weldingly fixed on lifting supporting table bottom, the Corner Strapped of lifting platform is on four telescoping columns, lifting platform both sides are provided with fixture air pump, the drive end of fixture air pump is fixed with clamp head, stack pallet is provided between clamp head, the stack pallet is by fixed side, slide side plate, adjusting screw and sliding bar composition；The stack pallet that utilization of the present invention can lift coordinates telescopic cylinder that one piece of block gap of pcb board is sent into stencil printer, and transmission is more steady efficient.

Description

A PCB board transfer device for solder paste printing machine

technical field

The invention relates to a conveying device, in particular to a PCB board conveying device for a solder paste printing machine.

Background technique

In the STM production process, a solder paste printing machine is often required to brush solder paste on the surface of the PCB light board. In the production process, when necessary, the package needs to be opened first. Generally, the PCB light boards are stacked and placed, but the solder paste printing machine At the same time, it is only required to send PCB boards into the solder paste printing machine one by one at intervals. In general, most of the transmission of PCB boards adopts track tile transmission, and then the sensor or manual control puts the PCB board into the solder paste printing machine. In the machine, when the number of PCB boards is large, it needs a very long track, which is not suitable for mass production. Manual placement will consume manpower and reduce work efficiency.

Therefore, we need a conveying device that is fast and convenient for fast loading and unloading of PCB boards.

Contents of the invention

The object of the present invention is to provide a PCB board conveying device for a solder paste printing machine, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

A PCB board transfer device for a solder paste printing machine, including a transfer box, a lifting support table, a PCB board delivery port, a solder paste printing machine, a supporting bottom column, a lifting motor, a motor seat, a supporting shaft, a lifting screw, and a sleeve Column, lifting table, fixture bracket plate, fixture air pump, fixture head, feeding car, handrail, board slot, roller, roller shaft, roller groove, telescopic cylinder, telescopic ejector rod, screw limit block, crank handle, crank handle Limiting block, threaded hole, distance adjustment screw, side plate support bearing, fixed side plate, sliding side plate, guide wheel, sliding rod, PCB board, blower bracket, blower, blower outlet, the transmission device consists of a transmission box, lifting support table Composed of a PCB board delivery port, the PCB board delivery port is set at the feeding end on the left side of the solder paste printing machine, the lifting support platform is located on the left side of the PCB board delivery port, and the transfer box is located on the left side of the lifting support platform. The central positions of the transmission box, the lifting support platform and the PCB board delivery port are all on the same horizontal line, and the lifting support platform and the transmission box are all fixedly supported on the support bottom column, and the top surface and the inner bottom surface of the transmission box are all opened. There is a roller groove, and a plurality of rollers are arranged in the roller groove, and the two ends of the roller are rotatably connected with the inner wall of the roller groove through the roller shaft, and the inner top of the transmission box is fixed with a telescopic cylinder, and the telescopic The driving end of the cylinder is fixedly connected with a telescopic ejector rod, and the lifting support platform is adjacent to the transmission box. The four corners of the bottom of the lifting support platform are equipped with lifting motors, and the lifting motors are fixed on the bottom of the support platform through the motor base. The motor seat is welded and fixed on the bottom of the lifting support platform, the motor shaft of the lifting motor is fixed to the bottom of the lifting screw, the lifting screw and the motor shaft of the lifting motor are both rotated and fixed in the supporting shaft, and the supporting shaft is fixed on the lifting support In the platform, the top of the lifting screw is provided with a screw limit block, and the walls of the lifting screw at the four corners of the lifting support platform are sleeved with sleeve columns, and the four corners of the lifting platform are fixed on four sleeves. On the column, two clamp bracket plates are fixed on both sides of the lifting platform, and a clamp air pump is arranged at the center of the clamp bracket plate, and a clamp head is fixed on the driving end of the clamp air pump, and the clamp heads on both sides There is a feeding cart between them, and the feeding cart is composed of a fixed side plate, a sliding side plate, a distance adjusting screw and a sliding rod. The fixed side plate and the sliding side plate are set up on both sides of the feeding cart, and the fixed side plate and the inner side wall of the sliding side plate are provided with a plurality of card slots, and the PCB board is stuck in the card slots, and the top of the fixed side plate and the sliding side plate are connected by a distance-adjusting screw, and the distance-adjusting screw The right end is rotated and fixed in the support bearing of the side plate, and the support bearing of the side plate is fixed in the inner wall of the fixed side plate, and the left end of the distance adjusting screw passes through the threaded hole, and the threaded hole is opened on the top side wall of the sliding plate Inside, the left end of the pitch-adjusting screw is fixed with a rocker limit block, and a rocker is fixed on the rocker limit block, and the bottom of the fixed side plate and the sliding side plate are connected by a sliding rod, and the sliding The right end of the rod is fixed on the inner wall of the fixed side wall, and the left end of the sliding rod passes through the sliding side plate through the side wall support bearing at the bottom of the sliding side plate. Handrails are fixed on the outer side walls of the side plates and the sliding side plates, and blower brackets are also fixed on both sides of the lifting support table near the delivery port of the PCB board, and blowers are fixed on the top of the blower brackets. The wind end is provided with air blast ports, and the air blast ports on both sides are on the same level as the PCB delivery port.

A further solution: the transfer box is a box frame structure connected front and back.

A further solution: a circular elastic rubber block is provided at the end of the telescopic mandrel.

A further solution: the sleeve column is a metal cylinder with an internal thread tapped inside.

A further solution: the card handling slot is a rectangular card slot with an inward opening formed by a plastic baffle.

Compared with the prior art, the beneficial effect of the present invention is that the present invention can centrally place the PCB boards in the feeding car, and then send the PCB boards one by one into the PCB board of the solder paste printing machine in conjunction with the action of the lifting platform and the telescopic air pump. Board input port, wherein, when the feeding of the PCB board in the feeding car is completed, the feeding car can also be moved out of the lifting support platform by the transfer box, which is convenient for the handling and unloading of the PCB board, and the blast port can also clean the PCB board surface Processing, wherein the feeding car can also realize the transmission of PCBs of different sizes by changing the distance between the fixed side plate and the sliding side plate.

Description of drawings

Fig. 1 is a structural schematic diagram of a PCB board conveying device used in a solder paste printing machine.

Fig. 2 is a structural schematic diagram of a top view of a PCB conveying device used in a solder paste printing machine.

Fig. 3 is a structural schematic diagram of a feeding car in a PCB board conveying device used in a solder paste printing machine.

Fig. 4 is a structural schematic diagram of a transfer box in a PCB board transfer device used in a solder paste printing machine.

Fig. 5 is a structural schematic diagram of the right view of the transfer box and the lifting support table in the PCB board transfer device used in the solder paste printing machine.

In the figure: transmission box 1, lifting support table 2, PCB board delivery port 3, solder paste printing machine 4, supporting bottom column 5, lifting motor 6, motor seat 7, supporting shaft 8, lifting screw 9, sleeve column 10, Lifting platform 11, fixture bracket plate 12, fixture air pump 13, fixture head 14, feeding car 15, handrail 16, card slot 17, roller 18, roller shaft 19, roller groove 20, telescopic cylinder 21, telescopic ejector rod 22, Screw stopper 23, crank handle 24, crank stopper 25, threaded hole 26, distance adjustment screw 27, side plate support bearing 28, fixed side plate 29, sliding side plate 30, guide wheel 31, slide rod 32, PCB board 33 , blower support 34 , blower 35 , blower port 36 .

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1 to 5. In an embodiment of the present invention, a PCB board transfer device for a solder paste printing machine includes a transfer box 1, a lifting support table 2, a PCB board delivery port 3, a solder paste printing machine 4, a support Bottom column 5, lifting motor 6, motor seat 7, supporting shaft 8, lifting screw 9, sleeve column 10, lifting table 11, fixture bracket plate 12, fixture air pump 13, fixture head 14, feeding car 15, handrail 16, plate Card slot 17, roller 18, roller shaft 19, roller groove 20, telescopic cylinder 21, telescopic ejector rod 22, screw stopper 23, crank 24, crank stopper 25, threaded hole 26, pitch adjustment screw 27 , side plate support bearing 28, fixed side plate 29, sliding side plate 30, guide wheel 31, sliding bar 32, PCB board 33, blower support 34, blower 35, blower port 36, transmission device consists of transmission box 1, lifting support platform 2 and a PCB board delivery port 3, the PCB board delivery port 3 is set at the feeding end on the left side of the solder paste printing machine 4, the lifting support table 2 is located on the left side of the PCB board delivery port 3, and the transfer box 1 is located at On the left side of the lifting support platform 2, the central positions of the transmission box 1, the lifting support platform 2 and the PCB board delivery port 3 are all on the same horizontal line, and the lifting support platform 2 and the transmission box 1 are all fixedly supported on the supporting bottom column 5 , the transfer box 1 is a box frame structure connected front and back, the top surface and the inner bottom surface of the transfer box 1 are provided with a roller groove 20, and a plurality of rollers 18 are arranged in the roller groove 20, and the The two ends of the drum 18 are rotatably connected with the inner wall of the drum groove 20 through the drum rotating shaft 19. The inner top of the transfer box 1 is fixed with a telescopic cylinder 21, and the driving end of the telescopic cylinder 21 is fixedly connected with a telescopic push rod 22. The end of the telescopic mandrel 22 is provided with a circular elastic rubber block, the lifting support platform 2 is arranged adjacent to the transfer box 1, and the four corners of the bottom of the lifting support platform 2 are provided with lifting motors 6, and the lifting motors 6 pass through The motor base 7 is fixed on the bottom of the support platform 2, and the motor base 7 is welded and fixed on the bottom of the lifting support platform 2. The motor shaft of the lifting motor 6 is fixed to the bottom of the lifting screw 9, and the motor of the lifting screw 9 and the lifting motor 6 are fixed. The rotating shafts are all rotated and fixed in the supporting rotating shaft 8, and the supporting rotating shaft 8 is fixed in the lifting support platform 2. The top of the lifting screw rod 9 is provided with a screw stopper 23, and the lifting screw rod 9 on the four corners of the lifting supporting platform 2 The walls of the rods are all sleeved with sleeve columns 10, and the sleeve columns 10 are metal cylinders with internal threads. The four corners of the lifting table 11 are fixed on the four sleeve columns 10, and the lifting Two clamp support plates 12 are fixed on both sides of the table 11, the center position of the clamp support plate 12 is provided with a clamp air pump 13, the driving end of the clamp air pump 13 is fixed with a clamp head 14, and the clamp heads on both sides 14 is provided with feeding car 15, and described feeding car 15 is made up of fixed side plate 29, sliding side plate 30, distance adjustment screw 27 and sliding rod 32, and described fixed side plate 29 and sliding side plate 30 are set up on feeding car 15 on both sides, the fixed side plate 29 and the sliding side The inner side wall of the board 30 is provided with a plurality of card slots 17, the card slot 17 is a rectangular card slot formed by a plastic baffle with an opening inward, and the PCB board 33 is placed in the card slot 17, The top of the fixed side plate 29 and the sliding side plate 30 are connected by a distance-adjusting screw 27, and the right end of the distance-adjusting screw 27 is rotated and fixed in a side plate support bearing 28, and the side plate support bearing 28 is fixed on the fixed side plate 29 In the inner side wall of the distance adjusting screw 27, the left end of the distance adjusting screw 27 passes through the threaded hole 26. Bit block 25, crank handle 24 is fixed on the crank limit block 25, described fixed side plate 29 and sliding side plate 30 bottoms are connected by sliding rod 32, and the right end of described sliding rod 32 is fixed on the fixed side wall 29 On the inner wall, the left end of the sliding rod 32 passes through the sliding side plate 30 through the side wall support bearing 28 at the bottom of the sliding side plate 30, and the outer side walls of the fixed side plate 29 and the sliding side plate 30 are fixed with handrails 16, Described lifting support platform 2 is also fixed with blower support 34 near the both sides of PCB board conveying port 3, and the top of described blower support 34 is fixed with blower 35, and the blower end of described blower 35 is provided with blower port 36, so The air blast openings 36 on both sides are on the same level as the PCB delivery opening 3 .

The working principle of the present invention is: first, the PCB board 33 that needs to be painted with solder paste is stuck in the board slot 17 of the feeding cart 15, and then the feeding cart 15 is placed on the inner roller 18 of the transfer box 1, and then passed through the transfer box 1 Push the feeding trolley 15 forward onto the lifting support platform 2, the clamp air pump 13 drives the clamp head 14 to clamp the feeding trolley 15 at the center of the lifting platform 11, then the lifting motor 6 drives the lifting screw 9 to rotate, and the sleeve column 10 drives the lifting The table 11 rises under the rotation of the lifting screw 9, and the lifting motor 6 stops rotating every time it rises a distance from the grid plate slot 17. At this time, the telescopic cylinder 21 drives the telescopic ejector rod 22 to move, and the telescopic ejector rod 22 is forward and right on the The middle position of the PCB board 33, the PCB board is pushed onto the PCB board delivery port 3, and finally enters the solder paste printing machine 4, wherein the blower port 36 can clean the surface of the PCB board 33, when the telescopic ejector rod 22 is facing After the PCB board 33 at the position is sent into the solder paste printing machine 4, the telescopic ejector rod 22 retracts, and the lifting motor 6 starts to lift the next PCB board 33 to the position of the telescopic ejector rod 22, and the reciprocating and continuous feeding continues until the feeding cart The PCB boards 33 in 15 are all sent into the solder paste printing machine 4. At this time, the lifting support platform 2 at the bottom of the feeding car 15 rises to the top level of the transfer box 1, and the clamp air pump 13 releases the clamp head 14. , the feeding cart 15 can be pulled to the roller 18 on the top of the transfer box 1 to assemble the next PCB board 33. After the board slot 17 is filled, the handrail 6 is lifted and the feeding cart 15 is transferred from the transfer box 1. The inner roller 18 is pushed into the lifting support platform 2 to continue feeding, thereby completing the conveying function of the PCB board.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (5)

1. a kind of pcb board conveyer for stencil printer, including carrying case (1), lifting supporting table (2), pcb board conveying Mouth (3), stencil printer (4), support foundation (5), lifting motor (6), motor cabinet (7), support rotating shaft (8), lifting screw (9), telescoping column (10), lifting platform (11), fixture mount plate (12), fixture air pump (13), clamp head (14), stack pallet (15), Handrail (16), board groove (17), roller (18), roller shaft (19), cylinder gap (20), telescopic cylinder (21), flexible push rod (22), screw limiting block (23), crank (24), crank limited block (25), screwed hole (26), adjusting screw (27), side plate support Bearing (28), fixed side (29), slide side plate (30), guide wheel (31), sliding bar (32), pcb board (33), air blower support (34), air blower (35), blast orifice (36), it is characterised in that conveyer is by carrying case (1), lifting supporting table (2) and PCB Plate delivery port (3) is formed, and the pcb board delivery port (3) is arranged at the feeding side on the left of stencil printer (4), the lifting Supporting table (2) is located at the left side of pcb board delivery port (3), carrying case (1) positioned at the left side of lifting supporting table (2), carrying case (1), The center of lifting supporting table (2) and pcb board delivery port (3) is all in the same horizontal line, described to lift supporting table (2) and pass Case (1) is sent all to be fixedly supported on support foundation (5), the top surface and inner bottom surface of the carrying case (1) all open up There is cylinder gap (20), be provided with multiple rollers (18) in the cylinder gap (20), the both ends of the roller (18) pass through rolling Cylinder rotating shaft (19) and the inwall of cylinder gap (20) are rotatablely connected, and the inside top of the carrying case (1) is fixed with telescopic cylinder (21), the drive end of the telescopic cylinder (21) is fixedly connected with flexible push rod (22), the lifting supporting table (2) and carrying case (1) it is disposed proximate to, the bottom four corners of the lifting supporting table (2) are designed with lifting motor (6), and the lifting motor (6) passes through Motor cabinet (7) is fixed on supporting table (2) bottom, and the motor cabinet (7) is weldingly fixed on lifting supporting table (2) bottom, the liter The machine shaft of drop motor (6) is fixed with lifting screw (9) bottom, and the lifting screw (9) and the motor of lifting motor (6) turn Axle, which all rotates, to be fixed in support rotating shaft (8), and the support rotating shaft (8) is fixed in lifting supporting table (2), the lifting screw (9) top is provided with screw limiting block (23), is all covered on the bar wall for lifting the lifting screw (9) on supporting table (2) corner Provided with telescoping column (10), the Corner Strapped of the lifting platform (11) is on four telescoping columns (10), and the two of the lifting platform (11) Side is fixed with two fixture mount plates (12), and the center of the fixture mount plate (12) is provided with fixture air pump (13), described The drive end of fixture air pump (13) is fixed with clamp head (14), and stack pallet (15) is provided between the clamp head (14) of the both sides, The stack pallet (15) is made up of fixed side (29), slip side plate (30), adjusting screw (27) and sliding bar (32), described solid Determine side plate (29) and slide the both sides that side plate (30) is built up in stack pallet (15), the fixed side (29) and slip side plate (30) Madial wall be provided with multiple board grooves (17), card puts pcb board (33), the fixed side (29) in the board groove (17) It is connected with sliding at the top of side plate (30) by adjusting screw (27), the right-hand member of the adjusting screw (27), which rotates, is fixed on side plate branch Support in bearing (28), the side plate spring bearing (28) is fixed in the madial wall of fixed side (29), the adjusting screw (27) left end passes through screwed hole (26), and the screwed hole (26) is opened in the top sidewall of sliding panel (30), the roll adjustment The left distal end of screw rod (27) is fixed with crank limited block (25), and crank (24), institute are fixed with the crank limited block (25) State fixed side (29) and be connected with side plate (30) bottom is slided by sliding bar (32), sliding bar (32) right-hand member is fixed on On the inwall for determining side wall (29), the left end of the sliding bar (32) is by sliding the side wall support bearing (28) of side plate (30) bottom Through slip side plate (30), handrail (16), institute are all fixed with the lateral wall of the fixed side (29) and slip side plate (30) State lifting supporting table (2) and be further fixed on air blower support (34), the air blower branch close to the other both sides of pcb board delivery port (3) Air blower (35) is fixed with the top of frame (34), the air blast end of the air blower (35) is provided with blast orifice (36), the both sides Blast orifice (36) is in same level with pcb board delivery port (3).

2. the pcb board conveyer according to claim 1 for stencil printer, it is characterised in that the carrying case (1) it is the box-frame structure of front and rear connection.

3. the pcb board conveyer according to claim 1 for stencil printer, it is characterised in that the flexible top The end of bar (22) is provided with round and elastic block rubber.

4. the pcb board conveyer according to claim 1 for stencil printer, it is characterised in that the telescoping column (10) female metallic cylinder is attacked for inside.

5. the pcb board conveyer according to claim 1 for stencil printer, it is characterised in that the groove of applying for card (17) the inside rectangle neck that is open being made up of plastic dam.