CN215301062U

CN215301062U - Leveling machine for PCB

Info

Publication number: CN215301062U
Application number: CN202121883155.6U
Authority: CN
Inventors: 孟凡龙
Original assignee: Kunshan Wanyuantong Electronic Technology Co ltd
Current assignee: Kunshan Wanyuantong Electronic Technology Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2021-12-24
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a PCB board leveling machine, which comprises two brackets, wherein the tops of the two brackets are fixed with transverse plates, the inner sides of the two brackets are rotatably connected with a flattening device, the flattening device comprises an upper flattening component and a lower transmission component, the outer sides of the brackets are provided with rotating components for driving the upper flattening component and the lower transmission component to rotate, and the outer sides of the two brackets are provided with driving pieces capable of driving the upper flattening component to move up and down along the height direction of the brackets; the utility model discloses a subassembly that flattens in the driving piece drive removes along the support direction of height, has adjusted the interval that flattens in the subassembly and between the lower transmission assembly, has solved the flattening on the PCB board surface of different thickness.

Description

Leveling machine for PCB

Technical Field

The utility model relates to a PCB board leveling equipment field, concretely relates to evener for PCB board.

Background

Before the PCB is processed by stamping and the like, the PCB needs to be leveled. The core of the leveling machine is a leveling module, which generally comprises an upper seat and a lower seat, wherein two rows of compression rollers are respectively distributed on the upper seat and the lower seat, and the upper seat can be suspended above the lower seat by adopting an air cylinder, a spring or other devices. The gap between the upper seat and the lower seat is adjusted through an adjusting device, namely the gap between the upper pressing roller and the lower pressing roller is changed. During operation, the plate to be leveled passes through the upper and lower pressing rollers and is rolled by the upper and lower pressing rollers, so that the leveling of the plate is realized.

But can't adjust in real time according to the thickness of actual warped plate in the use among this kind of evener of current, make the evener great in the restrictive nature of use, the degree of automation of evener in the use is lower simultaneously, very inconvenient in the use.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a evener for PCB board adopts this evener to adjust the distance that flattens the subassembly and transmit the subassembly down on can adjusting according to the PCB plate thickness to carry out the flattening to the PCB plate surface, the commonality is strong, and the streamlined production of being convenient for has improved production efficiency.

The technical scheme of the utility model is that: a cross plate is fixed at the tops of the two supports, the inner sides of the two supports are rotatably connected with flattening devices, each flattening device comprises an upper flattening assembly and a lower transmission assembly, rotating assemblies for driving the upper flattening assemblies and the lower transmission assemblies to rotate are arranged on the outer sides of the supports, and driving pieces capable of driving the upper flattening assemblies to move up and down along the height direction of the supports are arranged on the outer sides of the two supports;

the upper flattening assembly comprises two first power rollers, a first thick roller positioned between the two first power rollers and a first thin roller positioned above the first thick roller, the surfaces of the two first power rollers, the first thick roller and the first thin roller are rotatably connected with a flattening belt, and the rotating assembly drives the two first power rollers to rotate and drives the belt to rotate so as to transport the PCB;

adjusting components capable of adjusting the first thin stick to move up and down are respectively fixed at two end parts of the first thin stick so as to adjust the tightness of the belt;

the both ends of first thick rod are rotated respectively and are connected with the connecting piece, the driving piece drive the connecting piece is followed support direction of height up-and-down motion makes first thick rod drives flatten the downward transmission subassembly extrusion of area to wearing flatten the subassembly and carry out the flattening with the PCB board between the transmission subassembly down.

Furthermore, the driving part comprises a fixed sleeve and a connecting rod, the fixed sleeve is symmetrically fixed on two sides of the transverse plate, the connecting rod is rotatably connected in the fixed sleeve, and the connecting rod is rotated to drive the connecting piece to move up and down along the height direction of the support so as to adjust the position of the first rough rod.

Furthermore, the connecting piece comprises a rack and a panel fixed at the bottom of the rack, and one side of the panel is provided with a through hole for the first rough stick to penetrate through and be rotatably connected; the rack is connected in the fixed sleeve in a sliding mode, a gear shaft is arranged on the surface of the connecting rod, and the gear shaft is meshed with the rack.

Furthermore, one side of the panel is fixed with a marking rod, one side of the panel close to the first thick stick is connected with the outer side of the support in a sliding mode, and the outer side of the support is provided with a line mark matched with the marking rod for use.

Further, the rotating speed of the upper flattening assembly and the rotating speed of the lower transmission assembly are the same, and the rotating directions are opposite.

Further, the outer diameter of the lower conveying assembly is larger than that of the upper flattening assembly.

Furthermore, the rotating assembly comprises a motor and a first connecting shaft connected with the motor chain, a first main gear is arranged on one side of the first connecting shaft, a first sector gear is arranged on the other side of the first connecting shaft, and the first bevel gear is connected with the lower transmission assembly through a gear.

Furthermore, a second connecting shaft is arranged above the first connecting shaft, a second main gear is arranged on one side of the second connecting shaft, a second sector gear is arranged on the other side of the second connecting shaft, the second main gear is meshed with the first main gear, and the second sector gear is connected with the first power roller gear.

Furthermore, the adjusting assembly comprises a sliding block and a screw rod, the sliding block is connected with the inner side of the support in a sliding mode and is rotatably connected with the first thin stick, the screw rod is fixed to the top of the sliding block, a threaded sleeve is arranged above the sliding block, the threaded sleeve is located on the inner side of the support and is matched with the screw rod for use, and a spring located above the threaded sleeve is arranged on the surface of the screw rod.

The utility model has the beneficial technical effects that:

1. the driving piece includes that the symmetry formula is fixed in the fixed cover of diaphragm both sides and rotates the connecting rod of connecting in this fixed cover, the surface of connecting rod is equipped with the gear shaft, this gear shaft and rack toothing, it drives the direction of height up-and-down motion of rack edge support through the gear shaft to rotate the connecting rod, rack drive panel drives first thick rod up-and-down motion, distance between subassembly and the lower transmission assembly flattens in order to adjust, thereby carry out the flattening to the PCB board surface, therefore, the commonality is strong, the streamlined production of being convenient for, and the production efficiency is improved.

2. The rotating assembly comprises a motor and a first connecting shaft connected with the motor chain, a first main gear is arranged on one side of the first connecting shaft, a first sector gear is arranged on the other side of the first connecting shaft, and the first bevel gear is connected with the lower transmission assembly through a gear; a second connecting shaft is arranged above the first connecting shaft, a second main gear is arranged on one side of the second connecting shaft, a second sector gear is arranged on the other side of the second connecting shaft, the second main gear is meshed with the first main gear, and the second sector gear is connected with the first power roller gear. The structure of the first connecting shaft is the same as that of the second connecting shaft, and the first connecting shaft and the second connecting shaft are arranged, so that the rotating speeds of the upper flattening assembly and the lower transmission assembly are the same, and the rotating directions are opposite.

3. The adjusting assembly comprises a sliding block and a screw rod, the sliding block is connected with the inner side of the support in a sliding mode and is rotationally connected with the first thin stick, the screw rod is fixed to the top of the sliding block, a threaded sleeve is arranged above the sliding block, the threaded sleeve is located on the inner side of the support and is matched with the screw rod to use, and a spring located above the threaded sleeve is arranged on the surface of the screw rod.

4. The outer diameter of the upper flattening component is smaller than the outer diameter of the lower transmission component, the PCB is conveyed on the lower transmission component, the upper flattening component is convenient to flatten, and accordingly the clamping plate cannot be generated.

5. One side of panel is fixed with marks the pole, and the outside of support is equipped with the cooperation mark the line mark that the pole used, through being provided with line mark and marking the pole, the personnel of being convenient for observe the height that rises or descend, can be better carry out the flattening to the surface of PCB board.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the upper platen assembly and the adjusting assembly of the present invention;

fig. 3 is a schematic structural diagram of the lower transmission assembly of the present invention;

fig. 4 is a schematic structural diagram of the adjusting assembly of the present invention;

fig. 5 is a schematic structural view of the driving member of the present invention;

fig. 6 is a schematic structural diagram of the rotating assembly of the present invention.

The reference signs are:

1. a support; 2. a transverse plate; 3. an upper platen assembly; 4. a lower transport assembly; 5. a drive member; 6. an adjustment assembly; 7. a first power roller; 8. a first rough roller; 9. a first thin stick; 10. a slider; 11. a threaded sleeve; 12. a screw; 13. a spring; 14. fixing a sleeve; 15. a connecting rod; 16. a gear shaft; 17. a rack; 18. a panel; 19. a slide rail; 20. marking with a line; 21. a marking rod; 22. a motor; 23. a chain; 24. a first coupling shaft; 25. a first sector gear; 26. a first main gear; 27. a second coupling shaft; 28. a second main gear; 29. a second sector gear; 30. a second power roller; 31. a second rough roller; 32. the second thin stick.

Detailed Description

In order to make the technical means of the present invention clearer and to implement the present invention according to the content of the specification, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples, which are used for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, the utility model particularly relates to a leveling machine for PCB, which comprises two brackets 1, wherein the top of the two brackets 1 is fixed with a transverse plate 2, and the inner sides of the two brackets 1 are rotatably connected with a leveling device, the leveling device comprises an upper leveling component 3 and a lower transmission component 4, the outer side of the bracket 1 is provided with a rotating component for driving the upper leveling component 3 and the lower transmission component 4 to rotate, and the outer sides of the two brackets 1 are provided with a driving component 5 capable of driving the upper leveling component 3 to move up and down along the height direction of the bracket 1;

as shown in fig. 2, the upper flattening assembly 3 includes two first power rollers 7, a first thick roller 8 located between the two first power rollers 7, and a first thin roller 9 located above the first thick roller 8, the surfaces of the two first power rollers 7, the first thick roller 8, and the first thin roller 9 are rotatably connected with a flattening belt, and the rotating assembly drives the two first power rollers 7 to rotate and drives the belt to rotate so as to transport the PCB;

the two end parts of the first thin stick 9 are respectively fixed with an adjusting component 6 which can adjust the first thin stick 9 to move up and down so as to adjust the tightness of the belt;

the both ends of first thick rod 8 are rotated respectively and are connected with the connecting piece, driving piece 5 drive the connecting piece is followed 1 direction of height up-and-down motion of support makes first thick rod 8 drives flatten the area and extrude downwards transmission component 4 to the penetration go up flatten the subassembly 3 and carry out the flattening with the PCB board between the transmission component 4 down.

It should be noted that, as shown in fig. 1, fig. 2 and fig. 3, wherein the internal structure of the lower conveying assembly 4 is the same as that of the upper flattening assembly 3, the lower conveying assembly 4 includes two second powered rollers 30, a second thick roller 31 and a second thin roller 32, however, the distance between the two second powered rollers 30 in the lower conveying assembly 4 is greater than the distance between the two first powered rollers 7 in the upper flattening assembly 3, that is, the outer diameter of the lower conveying assembly 4 is greater than the outer diameter of the upper flattening assembly 3. With PCB conveying on transmission assembly 4 down, be convenient for go up the subassembly 3 that flattens and carry out the flattening to the phenomenon of cardboard can not appear.

As shown in fig. 2 and 4, the adjusting assembly 6 includes a sliding block 10 slidably connected to the inside of the bracket 1 and rotatably connected to the first thin stick 9, and a screw rod 12 fixed to the top of the sliding block 10, a threaded sleeve 11 located inside the bracket 1 and cooperating with the screw rod 12 is disposed above the sliding block 10, and a spring 13 located above the threaded sleeve 11 is disposed on the surface of the screw rod 12.

It should be noted that, when the belt is loose, the screw 12 is rotated to drive the slider 10 to move upwards along the height direction of the bracket 1, and the slider 10 drives the first thin rod 9 to move upwards, so that the belt is stretched, and the effect of adjusting the tightness of the belt is achieved.

Meanwhile, when the belt is tight, the sliding block 10 is driven to move downwards along the height direction of the support 1 by rotating the screw 12, and the sliding block 10 drives the first thin rod 9 to move downwards, so that the belt is loosened, and the function of adjusting the tightness of the belt is achieved.

As shown in fig. 1 and 5, the driving member 5 includes a fixing sleeve 14 symmetrically fixed on both sides of the horizontal plate 2 and a connecting rod 15 rotatably connected in the fixing sleeve 14, and the connecting rod 15 is rotated to drive the connecting member to move up and down along the height direction of the bracket 1, so as to adjust the position of the first rough roller 8.

The connecting piece comprises a rack 17 and a panel 18 fixed at the bottom of the rack 17, and one side of the panel 18 is provided with a through hole for the first rough stick 8 to penetrate through and be rotatably connected; the rack 17 is slidably connected in the fixing sleeve 14, a gear shaft 16 is arranged on the surface of the connecting rod 15, and the gear shaft 16 is meshed with the rack 17.

It should be noted that, a slide block 10 is provided on one side of the panel 18 close to the first rough roller 8, a slide rail 19 used in cooperation with the slide block 10 is provided on the outer side of the bracket 1, and the panel 18 is slidably connected to the bracket 1 through the slide block 10. The rotary connecting rod 15 drives the rack 17 to move up and down along the height direction of the support 1, and the rack 17 drives the panel 18 to move up and down, so that the position height of the first rough stick 8 is adjusted, and the PCB with different thicknesses is leveled.

Wherein, the surface of connecting rod 15 is equipped with gear shaft 16, and this gear shaft 16 and rack 17 mesh, through gear shaft 16 and rack 17's meshing, improved first rough rod 8 stability and accuracy in the lift or the decline in-process.

One side of panel 18 is fixed with and marks pole 21, just one side that panel 18 is close to first thick rod 8 with the outside sliding connection of support 1, the outside of support 1 is equipped with the cooperation mark 20 of line that marks pole 21 used, and rotatory connecting rod 15 drives rack 17 and reciprocates along the direction of height of support 1, and rack 17 drives panel 18 and reciprocates along the direction of height of support 1 to make the mark pole 21 on the panel 18 reciprocate along mark 20, the personnel of being convenient for observe the height that rises or descend, can be better carry out the flattening to the surface of PCB board.

Go up the rotational speed that flattens subassembly 3 and transmission assembly 4 down the same, turn to conversely, the same rotational speed, the opposite turns to can with PCB more stable last flatten subassembly 3 and transmit between transmission assembly 4 down, the phenomenon that takes place the skew can not appear in the transportation.

As shown in fig. 6, the rotating assembly comprises a motor 22 and a first connecting shaft 24 connected with a chain 23 of the motor 22, one side of the first connecting shaft 24 is provided with a first main gear 26, the other side of the first connecting shaft 24 is provided with a first sector gear 25, and the first bevel gear is in gear connection with a second power roller 30 in the lower transmission assembly 4.

A second connecting shaft 27 is arranged above the first connecting shaft 24, a second main gear 28 is arranged on one side of the second connecting shaft 27, a second sector gear 29 is arranged on the other side of the second connecting shaft 27, the second main gear 28 is meshed with the first main gear 26, and the second sector gear 29 is in gear connection with the first power roller 7.

It should be noted that the structure of the first coupling shaft 24 is the same as that of the second coupling shaft 27, the first coupling shaft 24 is driven to rotate by the motor 22, and the first main gear 26 on the first coupling shaft 24 drives the second coupling shaft 27 to rotate, so that the effects that the rotation speeds of the first coupling shaft 24 and the second coupling shaft 27 are the same and the rotation directions are opposite are achieved, and the transportation of the PCB board is facilitated.

The utility model discloses a work flow is:

1. firstly, the thickness of the PCB is confirmed, then the rotating connecting rod 15 drives the rack 17 to move up and down along the height direction of the bracket 1, and the driving panel 18 drives the first thick stick 8 to move up and down along the height direction of the bracket 1, so as to complete the adjustment of the gap between the upper flattening component 3 and the lower transmission component 4.

2. The PCB is conveyed to the lower transmission assembly 4, the motor 22 drives the first connecting shaft 24 and the second connecting shaft 27 to rotate, so that the upper flattening assembly 3 and the lower transmission assembly 4 are driven to rotate, the PCB is conveyed to a position between the upper flattening assembly 3 and the lower transmission assembly 4, and the PCB is leveled.

3. The action of 2 is repeated in this way, so that the PCB can be leveled in batch.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The evener for the PCB is characterized by comprising two supports (1), transverse plates (2) are fixed at the tops of the two supports (1), flattening devices are rotatably connected to the inner sides of the two supports (1), each flattening device comprises an upper flattening component (3) and a lower transmission component (4), rotating components for driving the upper flattening components (3) and the lower transmission components (4) to rotate are arranged on the outer sides of the supports (1), and driving pieces (5) capable of driving the upper flattening components (3) to move up and down along the height direction of the supports (1) are arranged on the outer sides of the two supports (1);

the upper flattening assembly (3) comprises two first power rollers (7), a first thick roller (8) positioned between the two first power rollers (7) and a first thin roller (9) positioned above the first thick roller (8), the surfaces of the two first power rollers (7), the first thick roller (8) and the first thin roller (9) are rotatably connected with a flattening belt, and the rotating assembly drives the two first power rollers (7) to rotate and drives the belt to rotate so as to transport PCBs;

adjusting components (6) capable of adjusting the first thin stick (9) to move up and down are respectively fixed at two end parts of the first thin stick (9) so as to adjust the tightness of the belt;

the both ends of first thick rod (8) are rotated respectively and are connected with the connecting piece, driving piece (5) drive the connecting piece is followed support (1) direction of height up-and-down motion makes first thick rod (8) drive flatten the extrusion of taking transmission component (4) downwards to the right wearing go into on flatten subassembly (3) and carry out the flattening with the PCB board between transmission component (4) down.

2. The leveler for PCB board as recited in claim 1, wherein the driving member (5) comprises fixing sleeves (14) symmetrically fixed on both sides of the horizontal plate (2) and connecting rods (15) rotatably connected in the fixing sleeves (14), and the connecting rods (15) are rotated to drive the connecting members to move up and down along the height direction of the bracket (1) for adjusting the position of the first rough stick (8).

3. The leveler for PCB boards according to claim 2, wherein the connection member comprises a rack (17) and a panel (18) fixed to the bottom of the rack (17), one side of the panel (18) is provided with a through hole for the first rough roller (8) to pass through and rotatably connect; the rack (17) is connected in the fixed sleeve (14) in a sliding mode, a gear shaft (16) is arranged on the surface of the connecting rod (15), and the gear shaft (16) is meshed with the rack (17).

4. Levelling machine for PCB boards according to claim 3 characterised in that an indication rod (21) is fixed to one side of the panel (18) and that the side of the panel (18) close to the first spreader bar (8) is in sliding connection with the outside of the carriage (1), the outside of the carriage (1) being provided with a line marker (20) for use with the indication rod (21).

5. The leveler for PCB boards according to claim 1, wherein the rotation speed of the upper leveling assembly (3) and the lower transporting assembly (4) is the same and the rotation direction is opposite.

6. Levelling machine for PCB boards according to claim 5, characterized in that the outer diameter of the lower transport assembly (4) is larger than the outer diameter of the upper flattening assembly (3).

7. The leveler for PCB panels as claimed in claim 1, wherein the rotating assembly comprises a motor (22) and a first connecting shaft (24) connected with a chain (23) of the motor (22), one side of the first connecting shaft (24) is provided with a first main gear (26) and the other side of the first connecting shaft (24) is provided with a first sector gear (25) which is geared with the lower transmission assembly (4).

8. The leveler for PCB boards according to claim 7, wherein a second connecting shaft (27) is provided above the first connecting shaft (24), a second main gear (28) is provided at one side of the second connecting shaft (27), a second sector gear (29) is provided at the other side of the second connecting shaft (27), the second main gear (28) is engaged with the first main gear (26), and the second sector gear (29) is geared with the first power roller (7).

9. The leveler for PCB boards according to claim 1, wherein the adjusting assembly (6) comprises a sliding block (10) slidably connected to the inside of the frame (1) and rotatably connected to the first thin stick (9), and a screw rod (12) fixed to the top of the sliding block (10), wherein a threaded sleeve (11) located inside the frame (1) and engaged with the screw rod (12) is disposed above the sliding block (10), and a spring (13) located above the threaded sleeve (11) is disposed on the surface of the screw rod (12).