Circuit carrier plate film pressing device

Abstract

The utility model belongs to the field of circuit board processing, and discloses a circuit carrier plate film pressing device, which comprises a fixed frame, and a hot roller mechanism is mounted on the inner side of the fixed frame; the two supporting plates are symmetrically arranged on the two sides of the bottom of the fixing frame, a supporting roller is rotationally installed between the two supporting plates, and the supporting roller corresponds to the hot roller mechanism; the feeding mechanism comprises a feeding unit, and the feeding unit comprises a driving assembly and a plurality of feeding assemblies arranged along the supporting plate at intervals; and the positioning mechanism comprises two positioning units which are symmetrically distributed relative to the fixing frame, and each positioning unit comprises a fixed-distance push rod, a push plate and a positioning assembly. And through cooperative arrangement of the feeding unit and the positioning unit, the circuit board can be positioned and guided during conveying, the circuit board is not interfered to be rolled, and therefore the application range of the device is wider.

Description

TECHNICAL FIELD

[0001] The utility model belongs to circuit board processing technical field, concretely relates to a circuit carrier plate membrane pressing device. BACKGROUND

[0002] The manufacturing of printed circuit board needs to go through a long process, usually including cutting, punching, copper sinking, membrane pressing, exposure, electroplating, membrane stripping, etching, light inspection, baking, solder resist, printing, tin spraying, edge trimming, testing, packaging and other steps. Among them, the membrane pressing step is very important. Currently, the photosensitive dry film is usually pressed on the circuit board, which can improve the quality and stability of the product.

[0003] The Chinese patent with publication number CN219536417U discloses a flexible circuit board high-efficiency membrane pressing device, which comprises a bottom plate, a fixed plate fixedly connected to the top of the bottom plate, a connecting slide plate connected to the fixed plate through a sliding assembly, a driving box provided at the bottom of the connecting slide plate, a toothed plate connected to the driving box through a driving assembly, a spring plate fixedly connected to the bottom of the toothed plate, and a plurality of spring cavities arranged at equal intervals in the inner wall of the spring plate. When the circuit board is pressed, the height of the pressing wheel can be adjusted according to the uneven surface of the circuit board, so that the circuit board can be fully coated by the pressing wheel, and the position of the driving box can be adjusted by the sliding assembly, so that the circuit board can be pressed without manual adjustment when the specifications of the circuit board are different.

[0004] However, in actual use, when the first clamping seat and the second clamping seat are located above the placement workbench at a height exceeding the thickness of the circuit board to be pressed, the clamping of the first clamping seat and the second clamping seat on the circuit board will interfere with the membrane pressing work of the hot roller mechanism, and thus the above-mentioned device can only press the circuit board with a large thickness, i.e., the application range is narrow, which is not conducive to actual use. UTILITY MODEL CONTENTS

[0005] The utility model intends to provide a circuit carrier plate membrane pressing device to solve the problem of narrow application range of the prior art mentioned above, which is not conducive to actual use.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a circuit carrier plate membrane pressing device, comprising

[0007] A fixed frame is provided with a hot roller mechanism mounted on the inner side;

[0008] Two support plates are symmetrically arranged on the two sides of the bottom of the fixed frame, and a support roller is rotatably installed between the two support plates, corresponding to the hot roller mechanism;

[0009] The feeding mechanism comprises a feeding unit, the feeding unit comprises a driving assembly and a plurality of feeding assemblies arranged at intervals along the support plates, each feeding assembly comprises a feeding shaft and a plurality of feeding wheels arranged at intervals along the feeding shaft, the feeding shaft is rotatably installed between the two support plates, and the driving assembly is installed on the support plates and used to drive the feeding shaft to rotate;

[0010] The positioning mechanism comprises two positioning units symmetrically distributed about the fixed frame, each positioning unit comprises a distance push rod, a push plate and a positioning assembly, the distance push rod is fixed to the outer side of the support plate, the push plate is fixed to the movable end of the distance push rod and located between the two support plates, and the positioning assembly comprises a vertical plate, a connecting rod group and a positioning cylinder, the vertical plate is fixed to the push plate, the connecting rod group is installed on the side of the vertical plate away from the distance push rod, and the positioning cylinder is installed on the connecting rod group, the top edge of the positioning cylinder is higher than the top edge of the feeding wheel, and the bottom edge of the positioning cylinder is lower than the top edge of the feeding wheel.

[0011] The principle and effects of the technical scheme are as follows:

[0012] 1. The cooperation of the heating roller mechanism and the supporting roller enables the circuit board coated with the film to be extruded by the heating roller mechanism and the supporting roller, so that the dry film is firmly attached to the circuit board, the feeding unit is used to feed and load the circuit board, the labor of feeding is saved, the position of the circuit board during film pressing is adjusted by the positioning mechanism, so that the circuit board can be pressed once to obtain a better film pressing effect, and the situation that the film pressing effect is not ideal due to the inclination of the circuit board is avoided.

[0013] 2. The interval arrangement of the feeding shaft and the feeding wheel enables the feeding assemblies to have a gap, and the vertical plate, the connecting rod group and the positioning cylinder in the positioning assembly can slide in the gap, the position of the positioning assembly is adjusted by the distance push rod and the push plate, when the circuit board is fed to the heating roller mechanism, the positioning cylinders on both sides can be driven by the distance push rod to approach the circuit board, the position of the circuit board is adjusted by the abutment of the positioning cylinders on both sides and the circuit board, and then the circuit board is fed by the feeding unit, so that the circuit board can be pressed and coated between the heating roller mechanism and the supporting roller, the existence of the positioning assembly does not interfere with the film pressing of the circuit board, and therefore the device can be applied to circuit boards of various thicknesses, and the application range is improved.

[0014] 3. The position of the positioning cylinder is adjusted by the distance push rod, so that the position adjustment accuracy of the positioning cylinder is higher, the positioning cylinder can periodically abut against and move away from the circuit board to guide the position, or the positioning cylinder can always stay at the position abutting against the circuit board to guide the circuit board at any time.

[0015] The utility model further sets up: connecting rod group includes telescopic link and first spring, one end of telescopic link links with the vertical board, the other end of telescopic link links with the positioning cylinder, and first spring is set on telescopic link.

[0016] The principle and effect of the technical scheme are as follows: through the setting of the telescopic link and the first spring, when the positioning cylinders on both sides move towards the circuit board, the telescopic link and the first spring can be compressed to make way for the circuit board, avoiding the situation that the positioning cylinders excessively move towards the circuit board due to parameter errors, and thus the circuit board is damaged by being pressed by the positioning cylinders on both sides, and the circuit board is protected.

[0017] The utility model further sets up: the positioning assembly in positioning unit is provided with multiple groups, and multiple positioning assemblies are distributed at intervals with multiple feeding assemblies.

[0018] The principle and effect of the technical scheme are as follows: the setting of multiple positioning assemblies makes the positions where the positioning assemblies contact the circuit board more, so that a more stable and reliable abutting positioning effect is achieved, and the positioning precision is higher.

[0019] The utility model further sets up: driving assembly includes drive motor, drive shaft, first gear and second gear, drive motor is installed on the support plate, drive shaft is rotatably installed in the support plate, and one end of drive shaft is connected with the rotating end of drive motor, a plurality of first gears are arranged at intervals on the drive shaft, one end of the feeding shaft extends into the support plate, and is connected with the second gear, and the second gear is engaged with the first gear.

[0020] The principle and effect of the technical scheme are as follows: the drive motor drives the drive shaft to rotate, so that the drive shaft drives the first gear to rotate, the first gear and the second gear are engaged, and then the first gear can drive the second gear to rotate, so that the drive motor can drive all the feeding assemblies to rotate at the same time, so that the feeding wheel can drive the circuit board placed above to move towards the heating roller mechanism, wherein the first gear and the second gear are bevel gears.

[0021] The utility model further sets up: the feeding mechanism further includes a discharging unit, the discharging unit includes a discharging motor and a conveyor belt, the conveyor belt is rotatably installed between the two support plates, and is located on the side of the support roller away from the feeding shaft, the discharging motor is installed on the outside of the support plate, and the rotating end of the discharging motor is connected with the conveyor belt.

[0022] The principle and effect of the technical scheme are as follows: through the setting of the discharging motor and the conveyor belt, the circuit board rolled by the heating roller mechanism and the support roller can be conveyed out by the conveyor belt, so that manual taking is not needed, the automation degree is higher, and manpower is saved.

[0023] The utility model further sets up: still include the complex pressure mechanism, the complex pressure mechanism includes the pressure -bearing plate and complex pressure subassembly, the pressure -bearing plate is fixed in the inside of two support plates, and is located the inside of conveying belt, the top surface of pressure -bearing plate and the top surface of the inside of conveying belt abut, complex pressure subassembly includes hydraulic rod, connecting frame and complex pressure roller, hydraulic rod installs in the inside of fixed frame, connecting frame is fixed in the bottom of hydraulic rod, complex pressure roller installs in the inside of connecting frame, and complex pressure roller and pressure -bearing plate position correspond.

[0024] The principle and effect of the technical scheme are as follows: the height of the connecting frame relative to the pressure -bearing plate is controlled through the hydraulic rod, so that the height of the complex pressure roller can be adjusted according to the thickness of the circuit board, thereby the complex pressure mechanism can adapt to circuit boards of different thicknesses, the application range is improved, and through the setting of the pressure -bearing plate, the area where the conveying belt coincides with the pressure -bearing plate can bear the pressing force, and then the complex pressure roller is matched to complete the complex pressure of the film pressing on the circuit board, so that the dry film is more stable on the circuit board.

[0025] The utility model further sets up: complex pressure subassembly still includes second spring and limit rod, the side wall of connecting frame is seted up and gives way to the slot, and the limit rod is fixed in the give way to the slot, and the end of complex pressure roller extends to the give way to the slot and is slidably installed on the limit rod, and the second spring is installed on the limit rod and is located the top of complex pressure roller.

[0026] The principle and effect of the technical scheme are as follows: through the limit rod, the second spring and the give way to the slot, when the complex pressure roller is secondly rolled on the circuit board, the second spring can be compressed according to the thickness of the circuit board, so that the circuit board is not damaged when being complexly pressed. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the front view of the utility model;

[0028] Figure 2 It is Figure 1 It is the plan view at the support plate;

[0029] Figure 3 It is Figure 2 It is the enlarged view at the driving assembly;

[0030] Figure 4 It is Figure 2 It is the side view enlarged view at the blanking unit;

[0031] Figure 5 It is Figure 4 It is the structure view at the complex pressure mechanism;

[0032] Figure 6 It is the structure enlarged view at the positioning assembly of the utility model. DETAILED DESCRIPTION

[0033] The utility model discloses make further detailed instructions in combination with the drawings and embodiment to the utility model:

[0034] The reference signs in the drawings of the specification include: 101, fixed frame; 102, hot roller mechanism; 201, support plate; 202, supporting roller; 301, feeding shaft; 302, feeding wheel; 401, drive motor; 402, drive shaft; 403, first gear; 404, second gear; 501, discharging motor; 502, conveying belt; 601, fixed distance push rod; 602, push plate; 603, vertical plate; 604, telescopic rod; 605, first spring; 606, positioning cylinder; 701, pressure receiving plate; 702, hydraulic rod; 703, connecting frame; 704, let-position slot; 705, limiting rod; 706, second spring; 707, re-pressing roller.

[0035] Embodiment:

[0036] As shown in the accompanying Figures 1-6 The utility model discloses a circuit carrier board film pressing device, including fixed frame 101, support plate 201, feeding mechanism, positioning mechanism and re-pressing mechanism, the inboard of fixed frame 101 installs hot roller mechanism 102, support plate 201 is provided with two and is symmetrically arranged in the both sides of the bottom of fixed frame 101, and the middle portion between two support plates 201 is rotatably installed with supporting roller 202, and supporting roller 202 corresponds with hot roller mechanism 102,

[0037] Feeding mechanism, including feeding unit and discharging unit, the feeding unit includes drive assembly and a plurality of interval arrangement of feeding assembly along support plate 201, and the feeding assembly includes feeding shaft 301 and a plurality of interval arrangement of feeding wheel 302 along feeding shaft 301, and feeding shaft 301 is rotatably installed between two support plates 201, and drive assembly is installed on support plate 201, and is used for driving feeding shaft 301 to rotate, and drive assembly includes drive motor 401, drive shaft 402, first gear 403 and second gear 404, and drive motor 401 is installed on support plate 201, and drive shaft 402 is rotatably installed in support plate 201, and one end of drive shaft 402 is connected with the rotary end of drive motor 401, and a plurality of first gears 403 are arranged at intervals on drive shaft 402, and one end of feeding shaft 301 extends to support plate 201, and is connected with second gear 404, and second gear 404 is engaged with first gear 403. Through drive assembly, a plurality of feeding assemblies can be driven to rotate simultaneously, and the feeding unit is located at the front end of supporting roller 202, and the discharging unit is located at the rear end of supporting roller 202.

[0038] The discharging unit comprises a discharging motor 501 and a conveying belt 502. The conveying belt 502 is rotatably installed between the two support plates 201 and located at the side of the support roller 202 away from the feeding shaft 301. The discharging motor 501 is installed outside the support plate 201, and the rotating end of the discharging motor 501 is connected with the conveying belt 502.

[0039] The positioning mechanism comprises two positioning units symmetrically distributed about the fixed frame 101. The positioning unit comprises a distance push rod 601, a push plate 602 and a plurality of positioning assemblies. The distance push rod 601 is fixed outside the support plate 201. The push plate 602 is fixed at the movable end of the distance push rod 601 and located between the two support plates 201. The positioning assembly comprises a vertical plate 603, a connecting rod group and a positioning cylinder 606. The vertical plate 603 is fixed on the push plate 602. The connecting rod group comprises a telescopic rod 604 and a first spring 605. One end of the telescopic rod 604 is connected with the vertical plate 603, and the other end of the telescopic rod 604 is connected with the positioning cylinder 606. The first spring 605 is sleeved on the telescopic rod 604. The top edge of the positioning cylinder 606 is higher than the top edge of the feeding wheel 302. The bottom edge of the positioning cylinder 606 is lower than the top edge of the feeding wheel 302. The plurality of positioning assemblies are distributed at intervals with the plurality of feeding assemblies.

[0040] The re-pressing mechanism comprises a pressure bearing plate 701, a re-pressing assembly, a second spring 706 and a limiting rod 705. The pressure bearing plate 701 is fixed inside the two support plates 201 and located inside the conveying belt 502. The top surface of the pressure bearing plate 701 abuts against the top surface of the inside of the conveying belt 502. The re-pressing assembly comprises a hydraulic rod 702, a connecting frame 703 and a re-pressing roller 707. The hydraulic rod 702 is installed inside the fixed frame 101. The connecting frame 703 is fixed at the bottom of the hydraulic rod 702. The re-pressing roller 707 corresponds in position to the pressure bearing plate 701. The side wall of the connecting frame 703 is provided with a clearance slot 704. The limiting rod 705 is fixed in the clearance slot 704. The end of the re-pressing roller 707 extends into the clearance slot 704 and is slidably sleeved on the limiting rod 705. The second spring 706 is sleeved on the limiting rod 705 and located above the re-pressing roller 707.

[0041] The top edge of the conveying belt 502, the top edge of the support roller 202 and the top edge of the feeding wheel 302 are flush. When the width of the circuit board is small or the length is short, the conveying belt 502 can be sleeved on the feeding wheel 302, i.e. a plurality of conveying belts 502 are sleeved on the feeding wheel 302 or the feeding shaft 301 in the same conveying direction, so as to overcome the gap between the feeding assemblies and the gap between the feeding wheels 302, so that the circuit board can be normally conveyed. The heating roller mechanism 102 is a rolling roller with a heating assembly. A height-adjusting assembly, which can be a hydraulic cylinder or a screw and nut sleeve, is installed above the rolling roller. The heating assembly can be a resistance wire, which is a conventional component in the field and does not need to be described in detail.

[0042] The above is only the embodiment of the present application, and the common technical solutions or characteristics in the scheme are not described in detail. It should be pointed out that for those skilled in the art, without departing from the technical scheme of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope claimed in the present application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. A circuit board laminating device, characterized in that: include A fixed frame with a hot roller mechanism installed on the inside; Two support plates are provided and symmetrically arranged on both sides of the bottom of the fixed frame. A support roller is rotatably installed between the two support plates, and the support roller corresponds to the hot roller mechanism. The feeding mechanism includes a feeding unit, which includes a driving component and a plurality of feeding components spaced apart along the support plate. Each feeding component includes a feeding shaft and a plurality of feeding wheels spaced apart along the feeding shaft. The feeding shaft is rotatably mounted between two support plates. The driving component is mounted on the support plate and is used to drive the feeding shaft to rotate. The positioning mechanism includes two positioning units symmetrically distributed about the fixed frame. Each positioning unit includes a fixed-distance push rod, a push plate, and a positioning assembly. The fixed-distance push rod is fixed to the outside of the support plate, and the push plate is fixed to the movable end of the fixed-distance push rod and located between the two support plates. The positioning assembly includes a vertical plate, a connecting rod assembly, and a positioning cylinder. The vertical plate is fixed to the push plate, the connecting rod assembly is installed on the side of the vertical plate away from the fixed-distance push rod, and the positioning cylinder is installed on the connecting rod assembly. The top edge of the positioning cylinder is higher than the top edge of the feeding wheel, and the bottom edge of the positioning cylinder is lower than the top edge of the feeding wheel.

2. The circuit board laminating device as described in claim 1, characterized in that: The connecting rod assembly includes a telescopic rod and a first spring. One end of the telescopic rod is connected to the vertical plate, and the other end of the telescopic rod is connected to the positioning cylinder. The first spring is sleeved on the telescopic rod.

3. The circuit board laminating device as described in claim 1, characterized in that: The positioning unit has multiple sets of positioning components, and the multiple sets of positioning components and the multiple sets of feeding components are distributed at intervals.

4. The circuit board laminating device as described in claim 1, characterized in that: The drive assembly includes a drive motor, a drive shaft, a first gear, and a second gear. The drive motor is mounted on the support plate, and the drive shaft is rotatably mounted inside the support plate. One end of the drive shaft is connected to the rotating end of the drive motor. Multiple first gears are spaced apart on the drive shaft. One end of the feeding shaft extends into the support plate and is connected to the second gear. The second gear meshes with the first gear.

5. The circuit board laminating device as described in claim 1, characterized in that: The feeding mechanism also includes a feeding unit, which includes a feeding motor and a conveyor belt. The conveyor belt is rotatably mounted between the two support plates and is located on the side of the support roller away from the feeding shaft. The feeding motor is mounted on the outside of the support plate, and the rotating end of the feeding motor is connected to the conveyor belt.

6. The circuit board laminating device as described in claim 5, characterized in that: It also includes a repressing mechanism, which includes a pressure plate and a repressing assembly. The pressure plate is fixed to the inner side of the two support plates and located inside the conveyor belt. The top surface of the pressure plate abuts against the top surface of the inner side of the conveyor belt. The repressing assembly includes a hydraulic rod, a connecting frame, and a repressing roller. The hydraulic rod is installed inside the fixed frame, the connecting frame is fixed to the bottom of the hydraulic rod, and the repressing roller is installed inside the connecting frame. The repressing roller is positioned corresponding to the pressure plate.

7. The circuit board laminating device as described in claim 6, characterized in that: The repressing assembly also includes a second spring and a limiting rod. The side wall of the connecting frame is provided with a clearance groove. The limiting rod is fixed in the clearance groove. The end of the repressing roller extends into the clearance groove and is slidably fitted onto the limiting rod. The second spring is fitted onto the limiting rod and is located above the repressing roller.

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