A press device for processing a multilayer circuit board

Abstract

The utility model relates to the technical field of electronic engineering discloses a kind of pressing device for multilayer circuit board processing, including box, the top outer wall of the box is fixedly connected with support frame, the outer wall top of the support frame is fixedly connected with hydraulic cylinder, the drive end of the hydraulic cylinder is passed through the support frame and is fixedly connected with depressor, the bottom end of the depressor is correspondingly provided with receiving plate, the bottom end of the receiving plate is provided with limit component, the receiving plate is connected with top pressure box by limit component, the four corners of the top pressure box are provided with traction component, the top pressure box is connected with clamping plate by traction component, the top left side of the clamping plate is fixedly connected with bottom plate. In the utility model, the circuit board to be pressed is placed on the receiving plate, then the four corners of the circuit board are fixed by traction component and limit component, then the number of circuit board is adjusted to stretch component, then the circuit board can be pressed by depressor.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic engineering technical field especially relates to a kind of pressing device for multilayer circuit board processing. BACKGROUND

[0002] Pressing device for multilayer circuit board processing, it is usually used in the manufacturing process of multilayer printed circuit board, its main role is under the condition of high temperature and high pressure, pre-impregnated material and core board, or different levels of core board are pressed, to realize interlayer bonding and solidification, this kind of device plays a key role in multilayer circuit board processing, ensures the interlayer connection quality and overall performance of circuit board.

[0003] After searching, the announcement No. CN202022965304.5 a kind of pressing device for multilayer circuit board processing, including base, the top of base one end fixed installation has riser lifting assembly, riser lifting assembly is perpendicular to base surface, the top of base middle is provided with recess, and recess is connected with workbench in the recess through fastening bolt, the top of workbench is provided with lower pressing plate, and the four corners of workbench are welded with slide bar;The riser lifting assembly contains the pressing host computer that can be up and down lifting motion, and the bottom of pressing host computer is connected with the support plate through linkage shaft;The pressing host computer is fixed on lifting platform, and the surface of lifting assembly shell is faced to operator;The lifting assembly shell is sleeved on riser, and the two sides of lifting assembly shell in riser are respectively rotatably installed with the roller in contact with riser.

[0004] Based on the above patent, the sliding sleeve is slidably installed on the slide bar;The setting of slide bar and sliding sleeve can make the lifting process of support plate and finally upper pressing plate more stable, but the above device needs to be aligned manually after pressing, which is low in efficiency and affects the processing quality. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in prior art, and provides a kind of pressing device for multilayer circuit board processing, which can clamp and fix the circuit board at four corners.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of pressing device for multilayer circuit board processing, including box, the top outer wall of box is fixedly connected with support frame, the outer wall top of support frame is fixedly connected with hydraulic cylinder, the drive end of hydraulic cylinder penetrates the support frame and is fixedly connected with lower press, the bottom of lower press is correspondingly provided with receiving plate, the bottom of receiving plate is provided with limit component, and the receiving plate is connected with top pressure box by limit component, the four corners of top pressure box are provided with traction component, the top pressure box is connected with clamping plate by traction component, the top left side of clamping plate is fixedly connected with bottom plate, and the inner wall of bottom plate is provided with stretch component.

[0007] Further, the limiting assembly comprises a pressing column fixedly connected to the bottom end of the receiving plate, the bottom end of the pressing column is fixedly connected with a first spring, the bottom end of the first spring is fixedly connected with a bottom pipe, the outer wall of the first spring is fixedly connected to the inner wall of the bottom pipe, and the bottom end of the bottom pipe is fixedly connected to the inner wall bottom end of the top pressing box.

[0008] Further, the traction assembly comprises a rotating column fixedly connected to the inner wall of the top pressing box, the outer wall of the rotating column is rotationally connected with a gear, the front and rear sides of the opposite ends of the two gears are meshingly connected with second toothed plates, and the bottom ends of the two second toothed plates are fixedly connected with clamping plates.

[0009] Further, the opposite ends of any two opposite gears are meshingly connected with first toothed plates, and the top end of the first toothed plate is fixedly connected to the bottom end of the receiving plate.

[0010] Further, the right end of the left clamping plate of any two opposite clamping plates is fixedly connected with a connecting plate on the front and rear sides, the bottom end of the right clamping plate is provided with a clamping groove on the front and rear sides, the size of the connecting plate is matched with the clamping groove of the right clamping plate, and the connecting plate slides on the inner wall of the clamping groove.

[0011] Further, the outer wall of the clamping plate is slidingly connected to the outer wall of the top pressing box.

[0012] Further, the stretching assembly comprises a bottom plate fixedly connected to the top end of the clamping plate, a plurality of slot openings are formed in the inner walls of the front and rear sides of the bottom plate, horizontal pipes are fixedly connected to the inner walls of the slot openings, the size of the horizontal pipe is matched with the slot opening, second springs are fixedly connected to the inner walls of the opposite ends of the two horizontal pipes, and pressing blocks are fixedly connected to the opposite ends of the two second springs.

[0013] Further, the outer wall of the bottom plate is slidingly connected with a top plate, sliding grooves are formed in the inner walls of the bottom end front and rear sides of the top plate, and the size of the pressing block is matched with the sliding groove of the top plate.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1、the utility model discloses a circuit board pressing device, which comprises a receiving plate, a top pressing box, a traction assembly and a limiting assembly.

[0016] 2、The utility model discloses, according to the quantity of circuit board corresponding adjustment tensile assembly, make circuit board can all frame select fixed, can follow -up operation more smoothly fast, reduce the adjustment time, improve overall work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional view of a pressing device for multilayer circuit board processing is provided for the utility model;

[0018] Figure 2 A top pressing box section view of a pressing device for multilayer circuit board processing is provided for the utility model;

[0019] Figure 3 A first spring display view of a pressing device for multilayer circuit board processing is provided for the utility model;

[0020] Figure 4 A top plate section view of a pressing device for multilayer circuit board processing is provided for the utility model.

[0021] LEGEND:

[0022] 1, box body; 2, support frame; 3, top pressing box; 4, hydraulic cylinder; 5, depressor; 6, gear; 7, bearing plate; 8, lower pressing column; 9, bottom plate; 10, top plate; 11, first toothed plate; 12, second toothed plate; 13, first spring; 14, bottom pipe; 15, rotating column; 16, link plate; 17, pressing block; 18, second spring; 19, cross pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] REFERENCE Figure 1 , Figure 2 and Figure 3The utility model provides a kind of pressing device for multilayer circuit board processing, including box 1, the top outer wall of box 1 is fixedly connected with support frame 2, the outer wall top of support frame 2 is fixedly connected with hydraulic cylinder 4, the drive end of hydraulic cylinder 4 penetrates support frame 2 and is fixedly connected with depressor 5, the bottom end of depressor 5 corresponds with receiving plate 7, the bottom end of receiving plate 7 is provided with limiting assembly, limiting assembly includes the lower pressure column 8 of fixedly connected in the bottom end of receiving plate 7, the bottom end of lower pressure column 8 is fixedly connected with first spring 13, the bottom end of first spring 13 is fixedly connected with bottom pipe 14, the outer wall of first spring 13 is fixedly connected in the inner wall of bottom pipe 14, the bottom end of bottom pipe 14 is fixedly connected in the inner wall bottom end of top pressure box 3, receiving plate 7 is connected with top pressure box 3 by limiting assembly, the four corners of top pressure box 3 are provided with traction assembly, traction assembly includes the rotation column 15 of fixedly connected in the inner wall of top pressure box 3, the outer wall rotationally connected with gear 6 of rotation column 15, two gear 6 are engagedly connected with second toothed plate 12 in the front and back sides of opposite end, the bottom end of two second toothed plate 12 is fixedly connected with clamping plate, the opposite end of any two opposite gear 6 is engagedly connected with first toothed plate 11, the bottom end of first toothed plate 11 is fixedly connected in receiving plate 7, the right end clamping plate of any two opposite clamping plates is fixedly connected with link plate 16 in the front and back sides of right end, the bottom end of right end clamping plate is provided with clamping groove in the front and back sides, the size of link plate 16 is adapted to the clamping groove of right end clamping plate, link plate 16 slides in the inner wall of right end clamping groove, the outer wall of clamping plate is slidably connected in the outer wall of top pressure box 3.

[0025] Specifically, by stacking the circuit board on the receiving plate 7, the receiving plate 7 sinks under the weight of the circuit board, and through the sinking of the receiving plate 7, the first tooth plate 11 fixedly connected at the bottom end of the receiving plate 7 sinks with the sinking of the receiving plate 7, then through the sinking of the first tooth plate 11, the gear 6 meshingly connected at the opposite ends of any two first tooth plates 11 rotates with the sinking of the first tooth plate 11, then through the rotation of the gear 6, the second tooth plate 12 meshingly connected at the front and rear sides of the bottom end of the gear 6 rotates with the rotation of the gear 6, then through the movement of the second tooth plate 12, the clamping plate fixedly connected at the bottom end of the two second tooth plates 12 moves inward, through the sliding of the outer wall of the clamping plate on the inner wall of the top pressing box 3, the bottom plate 9 fixedly connected at the top end of the clamping plate drives the top plate 10 to move with the movement of the clamping plate, and at the same time, through the sinking of the receiving plate 7, the pressing column 8 fixedly connected at the bottom end of the receiving plate 7 sinks with the sinking of the receiving plate 7, then through the sinking of the pressing column 8, the first spring 13 fixedly connected at the bottom end of the pressing column 8 is compressed downward, so that the first spring 13 is forced to compress in the inner wall of the bottom pipe 14, then after use, after the circuit board is pulled out, the first spring 13 returns to its original position, drives the above-mentioned structure to return to its original position, and then performs the next compression and bonding. Through the traction assembly and the limiting assembly, the four corners of the circuit board are fixed, so that the circuit board remains stable during processing, testing or operation, and prevents damage caused by movement or falling of the circuit board.

[0026] Referring to Figure 3 and Figure 4 , the top pressing box 3 is connected with the clamping plate through the traction assembly, the top end of the clamping plate is fixedly connected with the bottom plate 9, the inner wall of the bottom plate 9 is provided with a stretching assembly, the stretching assembly includes the bottom plate 9 fixedly connected at the top end of the clamping plate, a plurality of notches are formed in the front and rear inner walls of the bottom plate 9, the inner wall of the notch is fixedly connected with a horizontal pipe 19, the size of the horizontal pipe 19 is matched with the size of the notch, the inner wall of the opposite end of the two horizontal pipes 19 is fixedly connected with a second spring 18, the opposite end of the two second springs 18 is fixedly connected with a pressing block 17, the outer wall of the bottom plate 9 is slidingly connected with a top plate 10, the bottom end of the top plate 10 is provided with a sliding groove in the inner wall of the front and rear sides, and the size of the pressing block 17 is matched with the size of the sliding groove of the top plate 10.

[0027] Specific, by pressing the pressing block 17, the second spring 18 fixedly connected to the bottom end of the pressing block 17 is pressed and contracted by the pressing block 17, and then the pressing block 17 is entered into the horizontal pipe 19 by the contraction of the second spring 18, and then the pressing block 17 is entered into the horizontal pipe 19, so that the pressing block 17 is away from the sliding groove opened in the top plate 10, and then the top plate 10 can slide up and down on the outer wall of the bottom plate 9 as required, and then reaches the appropriate position, the corresponding second spring 18 resets, drives the above structure to reset, and fixes the top plate 10. Through the sliding of the top plate 10, it is ensured that the added circuit board can be completely framed and fixed, and the subsequent operation can be carried out more smoothly, the adjustment time is reduced, and the overall working efficiency is improved.

[0028] Working principle: first take out the instrument, after determining that the instrument is correct, place the circuit board to be pressed in the receiving plate 7, then through the superposition of the circuit board, make the receiving plate 7 sink and drive the lower pressing column 8 at the bottom end of the receiving plate 7 to extrude the first spring 13 downward, so that the first spring 13 is compressed under the force of the inner wall of the bottom pipe 14 until the lower pressing column 8 closes the top of the bottom pipe 14, then the receiving plate 7 is limited and the elastic potential energy of the first spring 13 is protected, at the same time, the first tooth plate 11 at the bottom four corners of the receiving plate 7 is sunk, then the first tooth plate 11 drives the meshing connected gear 6 to rotate on the rotating column 15 in the inner wall of the gear 6, then the gear 6 rotates at the same time drives the two second tooth plates 12 meshing connected at the bottom front and back and the clamping plate at the bottom end of the second tooth plate 12 to slide to the inside of the top pressing box 3, then the clamping plate drives the bottom plate 9 at the top end of the clamping plate to move inward, then the top plate 10 slidingly connected to the outer wall of the bottom plate 9 contacts the circuit board, which is regarded as completing the four corner fixing of the circuit board, then the required circuit board can be continuously stacked to reach the required number of pressed circuit boards, at the same time, the pressing block 17 at the bottom end of the top plate 10 clamps the top plate 10, so that the pressing block 17 presses the second spring 18, and then the pressing block 17 reaches the inner wall of the horizontal pipe 19, then the top plate 10 can be moved, and then reaches the appropriate position, the corresponding second spring 18 in the horizontal pipe 19 resets, so that the corresponding pressing block 17 is ejected into the sliding groove opened in the top plate 10 to fix the top plate 10, then after ensuring that the number of circuit boards reaches the pressing amount, the hydraulic cylinder 4 can be started, the lower press 5 fixedly connected to the driving end of the hydraulic cylinder 4 sinks, and the circuit board on the receiving plate 7 is pressed, then after the pressing is completed, the multi-layer circuit board after the pressing is completed is taken out, the first spring 13 resets, and the above structure is all reset, then the new pressing can be started.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A press bonding apparatus for processing a multilayer wiring board, comprising a housing (1), characterized by: The outer wall top of the support frame (2) is fixedly connected with a hydraulic cylinder (4), the driving end of the hydraulic cylinder (4) penetrates the support frame (2) and is fixedly connected with a depressor (5), the bottom end of the depressor (5) corresponds with a receiving plate (7), the bottom end of the receiving plate (7) is provided with a limiting assembly, the receiving plate (7) is connected with a top pressing box (3) through the limiting assembly, the four corners of the top pressing box (3) are provided with traction assemblies, the top pressing box (3) is connected with a clamping plate through the traction assemblies, the top end left side of the clamping plate is fixedly connected with a bottom plate (9), and the inner wall of the bottom plate (9) is provided with a stretching assembly.

2. The press-bonding apparatus for processing a multilayer wiring board according to claim 1, characterized by: The limiting assembly comprises a depressor column (8) fixedly connected to the bottom end of the receiving plate (7), the bottom end of the depressor column (8) is fixedly connected with a first spring (13), the bottom end of the first spring (13) is fixedly connected with a bottom pipe (14), the outer wall of the first spring (13) is fixedly connected to the inner wall of the bottom pipe (14), and the bottom end of the bottom pipe (14) is fixedly connected to the inner wall bottom end of the top pressing box (3).

3. The press-bonding apparatus for processing a multilayer wiring board according to claim 1, characterized by: The traction assembly comprises a rotating column (15) fixedly connected to the inner wall of the top pressing box (3), the outer wall of the rotating column (15) is rotatably connected with a gear (6), the opposite ends of the two gear (6) are meshingly connected with second toothed plates (12) on the front and back sides, and the bottom ends of the two second toothed plates (12) are fixedly connected with clamping plates.

4. The press-bonding apparatus for processing a multilayer wiring board according to claim 3, characterized by: The opposite ends of any two opposite gear (6) are meshingly connected with first toothed plates (11), and the top end of the first toothed plate (11) is fixedly connected to the bottom end of the receiving plate (7).

5. The press-bonding apparatus for processing a multilayer wiring board according to claim 3, characterized by: The right end front and back sides of the left end clamping plate in any two opposite clamping plates are fixedly connected with an adapter plate (16), the bottom end front and back sides of the right end clamping plate are provided with clamping grooves, the size of the adapter plate (16) is matched with the clamping grooves of the right end clamping plate, and the adapter plate (16) slides on the inner wall of the right end clamping groove.

6. The press-bonding apparatus for processing a multilayer wiring board according to claim 5, characterized by: The outer wall of the clamping plate is slidably connected to the outer wall of the top pressing box (3).

7. The press-bonding apparatus for processing a multilayer wiring board according to claim 1, characterized by: The stretching assembly comprises a bottom plate (9) fixedly connected to the top end of the clamping plate, a plurality of slot openings are formed in the inner walls of the front and back sides of the bottom plate (9), the inner walls of the slot openings are fixedly connected with horizontal pipes (19), the size of the horizontal pipe (19) is matched with the slot opening, the inner walls of the opposite ends of the two horizontal pipes (19) are fixedly connected with second springs (18), and the opposite ends of the two second springs (18) are fixedly connected with pressing blocks (17).

8. The press-bonding apparatus for processing a multilayer wiring board according to claim 7, characterized by: The outer wall of the bottom plate (9) is slidably connected with a top plate (10), the bottom end front and back sides of the top plate (10) are provided with sliding grooves, and the size of the pressing block (17) is matched with the sliding groove of the top plate (10).

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