Flexible circuit board pressing device

Abstract

The present invention relates to the technical field of flexible printed circuit board processing, specifically to a flexible circuit board pressing device, including a workbench, on the top wall of the workbench are symmetrically and vertically fixedly installed four fixing rods, on the four fixing rods are movably sleeved with an upper closing plate, and each fixing rod is sleeved with a first spring at the part below the upper closing plate. The present invention drives the second mounting plate to move downward by a hydraulic rod, and during the downward movement of the second mounting plate, the plug plate vertically installed on the bottom wall of the second mounting plate also moves downward accordingly. When the plug plate moves downward, it gradually enters the plug hole on the upper closing plate, and continues to move downward. The bottom wall of the plug plate first contacts the oil-absorbing cotton, and then the plug plate passes through the strip hole on the oil-absorbing cotton. In this process, the surface of the plug plate will be attached with anti-sticking oil, thereby reducing the stickiness between the plug plate and the circuit board, making it easier for the plug plate to break away from the contact with the circuit board.

Description

Technical Field

[0001] The invention relates to the technical field of flexible printed circuit board processing, in particular to a flexible circuit board pressing device. Background Art

[0002] Flexible printed circuit board, also known as flexible circuit board, flexible circuit board, flexible circuit board or soft board, FPC in English, is a special printed circuit board. It is characterized by light weight, thin thickness, softness and bendability. It is mainly used in many products such as mobile phones, laptops, PDAs, digital cameras and LCD screens. In the process of flexible printed circuit board processing, the laminate needs to be hot pressed and pressed.

[0003] After searching, Chinese patent No. CN208063568U discloses a flexible printed circuit board pressing device, which includes: a base, a plurality of first support columns are welded on the top of the base, a first pressing plate is fixedly installed on the end of the first support column away from the base, a second support column is welded on the top of the base, a slide groove is provided on one side of the second support column, a slider is slidably installed in the slide groove, the slider extends to the outside of the slide groove and is welded with a pressing machine, a pressing rod is fixedly installed on the bottom of the pressing machine, a pressing block is fixedly installed on the end of the pressing rod away from the pressing machine, grooves are provided on both sides of the pressing block, and a servo motor is fixedly installed on the inner wall of one side of the two grooves.

[0004] Although the above-mentioned flexible printed circuit board pressing device can push the two second pressing plates and separate the two second pressing plates through the cooperation of the groove, the servo motor, the push-pull rod and the second pressing plate, so as to detach the flexible circuit board from the surface of the second pressing plate, it still has the following shortcomings:

[0005] After lamination, the circuit board is easy to stick to the surface of the second lamination plate and move with the second lamination plate. Therefore, the two lamination plates are separated to prevent the circuit board from sticking to the surface of the circuit board. However, during the separation of the two lamination plates, the circuit board sticks to the surfaces of the two second lamination plates. Therefore, during the separation of the two second lamination plates, the circuit board will be stretched. Since the temperature of the flexible circuit board that has just been lamination is high and relatively soft, the probability of damage to the circuit board is increased during the stretching process.

[0006] To this end, a flexible circuit board pressing device is proposed. Summary of the invention

[0007] The object of the present invention is to provide a flexible circuit board pressing device to solve the problem proposed in the above background technology that the two second pressing plates are forcibly separated so that the flexible circuit board is easily damaged when it is detached from the surface of the second pressing plate, which has just been pressed and is still relatively soft.

[0008] To achieve the above object, the present invention provides the following technical solutions:

[0009] A flexible circuit board pressing device comprises a workbench, wherein four fixing rods are symmetrically and vertically fixedly installed on the top wall of the workbench, an upper closing plate is movably sleeved on the four fixing rods, a first spring is sleeved on the portion of each fixing rod located below the upper closing plate, a lower closing plate matching with the upper closing plate is fixedly installed on the top wall of the workbench, a first mounting plate is fixedly installed on the top ends of the four fixing rods, a hydraulic rod is vertically fixedly installed on the bottom wall of the first mounting plate, a second mounting plate is horizontally fixedly installed on the output end of the hydraulic rod, a plurality of plugging plates are vertically fixedly installed on the bottom wall of the second mounting plate, a plurality of plugging holes matching with the plugging plates are provided on the upper closing plate, a first cavity connected with the plugging holes is provided on the closing plate, an oil-absorbing cotton is fixedly installed in the first cavity, and a plugging hole is provided on the oil-absorbing cotton

[0010] There are a plurality of strip holes matched with the plug plate, a card slot is provided on the side wall of the upper closing plate, and a locking mechanism matched with the card slot is provided on the top wall of the workbench;

[0011] The locking mechanism includes a first sleeve fixedly mounted on the top wall of the workbench, a building block cooperating with the slot is movably arranged in the first sleeve, a first cylinder connected with the first sleeve is fixedly mounted on the bottom wall of the first mounting plate, and the building block is driven by the first cylinder, an oil tank for supplying oil to the oil-absorbing cotton is provided on the first mounting plate, and a recovery mechanism cooperating with the oil tank is provided on the composite plate.

[0012] In the initial state, the first spring pushes the upper closing plate upward, and the hydraulic rod is fully retracted, at which time the first mounting plate is in contact with the outer sleeve of the hydraulic rod.

[0013] When the flexible circuit board needs to be pressed, the circuit board is first placed on the top wall of the lower closing plate, and then the hydraulic rod is started to drive the second mounting plate to move downward. During the downward movement of the second mounting plate, the plug plate vertically installed on the bottom wall of the second mounting plate also moves downward accordingly. When the plug plate moves downward, it gradually enters the plug hole on the upper closing plate and continues to move downward. The bottom wall of the plug plate first contacts the oil-absorbing cotton, and then the plug plate passes through the strip holes on the oil-absorbing cotton. In this process, anti-sticking oil will be attached to the surface of the plug plate, which plays a role in reducing the viscosity between the plug plate and the circuit board during the pressing process. Then the second mounting plate drives the plug plate to continue to move downward. During the downward movement, the recovery mechanism recovers the anti-sticking oil on the side wall of the plug plate, which plays a role in reducing the loss of anti-sticking oil.

[0014] When the hydraulic rod drives the first mounting plate downward, the first cylinder starts to work, thereby increasing the pressure in the first sleeve connected thereto. Therefore, the first building block will extend out of the first sleeve, thus preparing for fixing the upper closing plate.

[0015] The second mounting plate continues to drive the plugging plate downward until the bottom wall of the plugging plate and the bottom wall of the upper closing plate are at the same horizontal plane. At this time, the bottom wall of the second mounting plate and the top wall of the upper closing plate are tightly fitted together. Then the second mounting plate pushes the upper closing plate downward, and in the process of the upper closing plate moving downward, the first spring is squeezed, and the upper closing plate squeezes the building block. When the building block is squeezed into the first sleeve, the pressure in the first sleeve continues to increase. When the upper closing plate and the lower closing plate are completely fitted to press the circuit board, the building block is just in the slot At the same horizontal plane, under the action of high pressure, the building block will go deep into the card slot to fix the upper closing plate. After the pressing is completed, since the upper closing plate is fixed, when the hydraulic rod drives the second mounting plate to move up, since the bottom wall of the plug-in plate is adhered to the anti-sticking oil, the adhesion between the plug-in plate and the circuit board is small. At this time, the plug-in plate can be gradually separated from the socket, that is, separated from the contact with the circuit board, reducing the contact area between the upper closing plate and the circuit board, thereby making it easier for the circuit board to separate from the contact with the upper closing plate.

[0016] When the hydraulic rod drives the second mounting plate to reset, under the action of the first cylinder, the sleeve is in a negative pressure state, so the building block will retract into it. When the building block retracts, the squeezed first spring pushes the upper closing plate upward, thereby resetting the upper closing plate and preparing for work again.

[0017] During the resetting process of the upper closing plate, the contact area between the upper closing plate and the circuit board is reduced when the plug-in board is disengaged from the socket, so the adhesion between the upper closing plate and the circuit board becomes smaller. Therefore, when the upper closing plate moves up, the circuit board is separated from the contact with the upper closing plate under the action of its own weight, which reduces the damage to the circuit board.

[0018] When working for a long time, the anti-sticking oil on the oil-absorbing cotton is consumed. During this process, the oil tank can provide anti-sticking oil to the oil-absorbing cotton at any time, so that the oil-absorbing cotton is always kept in a saturated state, so that the bottom wall of the plugboard is always attached with anti-sticking oil, which ensures that the bottom wall of the plugboard will not stick to the circuit board.

[0019] Preferably, a first piston plate is movably provided in the first cylinder, a first push rod extending to the outside of the first cylinder is vertically fixedly installed on the bottom wall of the first piston plate, a second spring fixedly connected to the first piston plate is vertically fixedly installed on the inner bottom wall of the first cylinder, and a conduit connected to the first sleeve is fixedly installed on the side wall of the first cylinder.

[0020] In the initial state, the hydraulic rod is fully retracted, so the first mounting plate is fitted with the outer sleeve of the hydraulic rod. At this time, the first mounting plate pushes the first push rod upward, so that the first push rod drives the first piston plate to move up and squeeze the first spring. At this time, the space below the first piston plate in the first cylinder is in a negative pressure state. Since the conduit is connected to the first sleeve, the first sleeve is also in a negative pressure state. At this time, the building block is retracted into the first sleeve.

[0021] When the hydraulic rod drives the first mounting plate to move downward, the first mounting plate no longer pushes the first push rod upward. Therefore, under the action of the first spring, the first piston plate moves downward along the inner wall of the first cylinder. Therefore, the space below the first piston plate in the first cylinder is in a high-pressure state. Since the conduit is connected to the first sleeve, the first sleeve is also in a high-pressure state. Therefore, the building block extends out of the sleeve, thereby driving the building block to extend from the first sleeve.

[0022] Preferably, the recovery mechanism includes mounting holes formed on the side walls of the socket, a scraper which is in the same plane as the inner wall of the socket is fixedly mounted on the side walls of each mounting hole, a second cavity connected to the mounting holes is formed on the composite plate, a recovery pipe connected to the oil box is fixedly mounted on the bottom wall of the second cavity, and a second cylinder for driving the oil tank to absorb oil is fixedly mounted on the first mounting plate.

[0023] When the second mounting plate drives the plug plate to pass through the insertion hole, the bottom wall of the plug plate first contacts the oil-absorbing cotton. At this time, the second mounting plate continues to drive the plug plate to move downward, and the plug plate will pass through the strip hole on the oil-absorbing cotton. During this process, the side wall of the plug plate will contact the oil-absorbing cotton. During the contact process, the anti-sticking oil on the surface of the oil-absorbing cotton will adhere to the side wall of the plug plate.

[0024] When the plug plate continues to move downward, the side wall of the plug plate contacts the scraper, and the scraper scrapes off the anti-sticking oil attached to the side wall of the plug plate. At the same time, the scraped anti-sticking oil flows along the scraper and drips into the mounting hole. The anti-sticking oil dripping into the mounting hole flows into the second cavity connected to the mounting hole.

[0025] Under the action of the second cylinder, the oil tank is in a negative pressure state. Since a recovery pipe connected to the oil tank is fixedly installed on the bottom wall of the second cavity, the oil tank will absorb external gas through the recovery pipe to balance the pressure when the oil tank is in a negative pressure state. At this time, since the anti-sticking oil in the second cavity blocks the recovery pipe, when the oil tank balances the pressure, the anti-sticking oil in the second cavity will be absorbed, thereby realizing recycling and reducing costs.

[0026] Preferably, a second piston plate is movably provided in the second cylinder, a second push rod extending to the outside of the second cylinder is vertically fixedly installed on the bottom wall of the second piston plate, a third spring fixedly connected to the second piston plate is vertically fixedly installed on the inner top wall of the second cylinder, an intake valve and an exhaust valve are respectively fixedly installed on the side walls of the second cylinder, and an air pipe connected to the oil tank is fixedly installed on the input end of the intake valve.

[0027] In the initial state, the hydraulic rod is fully retracted, so the first mounting plate fits against the outer sleeve of the hydraulic rod. At this time, the first mounting plate pushes the second push rod upward, so that the second push rod drives the second piston plate to move up and squeeze the third spring. At this time, the space below the second piston plate in the second cylinder is in a negative pressure state.

[0028] Since an intake valve and an exhaust valve are installed on the side wall of the second cylinder, and an air pipe connected to the oil tank is fixedly installed on the input end of the intake valve, when the second cylinder is in a negative pressure state, the gas will be absorbed through the air pipe to balance the pressure. When the second cylinder absorbs the gas in the oil tank, the oil tank is in a negative pressure state, so that the oil tank can absorb the anti-sticking oil in the second cavity through the recovery pipe, thereby driving the oil tank to absorb the anti-sticking oil.

[0029] When the hydraulic rod drives the first mounting plate to move downward, under the action of the third spring, the second piston plate moves downward along the inner wall of the second cylinder. At this time, under the action of the intake valve and the exhaust valve, the gas in the second cylinder can only be discharged into the air through the exhaust valve, thereby preparing to drive the oil tank again to absorb the anti-sticking oil in the second cavity.

[0030] Preferably, a third cavity is opened on the composite plate, the oil absorbing cotton extends into the third cavity, an oil pipeline extending into the third cavity is fixedly mounted on the bottom wall of the oil tank, and a trigger mechanism for triggering the conduction of the oil pipeline is provided on the oil pipeline.

[0031] When there is a large amount of anti-sticking oil in the third cavity, the oil-absorbing cotton always remains in a saturated state. When the plug plate frequently contacts the oil-absorbing cotton, the anti-sticking oil on the oil-absorbing cotton is consumed, so that the oil-absorbing cotton absorbs the anti-sticking oil from the third cavity, and thus the amount of oil in the third cavity decreases. At this time, under the action of the trigger mechanism, the oil in the oil tank flows into the third cavity through the oil pipe. Since the oil-absorbing cotton extends into the third cavity, the oil-absorbing cotton can absorb the anti-sticking oil from the third cavity and remain in a saturated state.

[0032] Since the anti-sticking oil on the oil-absorbing cotton is consumed every time the plug plate passes through the oil-absorbing cotton, long-term use will cause the oil-absorbing cotton to continuously absorb the anti-sticking oil from the third cavity, thereby causing the water level in the third cavity to drop. At this time, under the action of the trigger mechanism, the oil in the oil tank flows from the oil pipe to the third cavity, thereby automatically replenishing the anti-sticking oil for the third cavity, thereby ensuring that the oil absorption always remains in a saturated state.

[0033] Preferably, the trigger mechanism includes a second sleeve fixedly mounted on the top wall of the composite plate and connected to the oil pipeline, a baffle plate made of magnetic material being movably provided in the second sleeve, a guide rod being vertically fixedly mounted on the bottom wall of the third cavity, a float box being movably sleeved on the guide rod, and a magnet which repel each other with the magnetic baffle plate being vertically fixedly mounted on the top wall of the float box.

[0034] When there is enough oil in the third cavity, the float box drives the magnet to move to the top of the guide rod. At this time, the baffle made of magnetic material and the magnet repel each other, so the baffle will move up along the second sleeve, thereby blocking the oil pipeline and stopping the injection of anti-sticking oil into the third cavity.

[0035] When the oil in the third cavity is gradually consumed, the float box floating on the water surface will move down along the guide rod with the water surface, and drive the magnet to move down together. In the process of the magnet moving down, the repulsive force between the magnet and the baffle gradually decreases. When the gravity of the baffle is greater than the repulsive force between the magnet and the baffle, the baffle moves down along the second sleeve. At this time, the oil pipeline is connected, so that the oil in the oil tank continues to flow into the third cavity.

[0036] When the water level in the third cavity gradually rises, the float box drives the magnet to move upward along the guide rod. During this process, the distance between the magnet and the baffle gradually decreases, so the repulsive force gradually increases. When the repulsive force is greater than the gravity, the baffle moves upward along the second sleeve, thereby cutting off the oil pipeline, so that the oil in the oil tank no longer flows into the third cavity. In the whole process, it plays a role of automatically adding oil to the third cavity.

[0037] Compared with the prior art, the present invention has the following beneficial effects:

[0038] 1. The second mounting plate is driven downward by the hydraulic rod. During the downward movement of the second mounting plate, the plug plate vertically installed on the bottom wall of the second mounting plate also moves downward. When the plug plate moves downward, it gradually enters the plug hole on the upper closing plate and continues to move downward. The bottom wall of the plug plate first contacts the oil-absorbing cotton, and then the plug plate passes through the strip hole on the oil-absorbing cotton. During this process, the surface of the plug plate will be adhered to anti-sticking oil, thereby reducing the stickiness between the plug plate and the circuit board, making it easier for the plug plate to break away from the contact with the circuit board.

[0039] 2. During the resetting process of the upper closing plate, the contact area between the upper closing plate and the circuit board is reduced when the plug-in board is disengaged from the socket, so the adhesion between the upper closing plate and the circuit board becomes smaller. Therefore, when the upper closing plate moves up, the circuit board is separated from the contact with the upper closing plate under the action of its own weight, thereby reducing the damage to the circuit board.

[0040] 3. When the hydraulic rod drives the first mounting plate to move downward, the first mounting plate no longer pushes the first push rod upward. Therefore, under the action of the first spring, the first piston plate moves downward along the inner wall of the first cylinder. Therefore, the space below the first piston plate in the first cylinder is in a high-pressure state. Since the conduit is connected to the first sleeve, the first sleeve is also in a high-pressure state. Therefore, the building block extends out of the sleeve, and the building block extends from the first sleeve to prepare for fixing the upper closing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0042] Figure 2 It is a front view of the present invention;

[0043] Figure 3 It is a front cross-sectional view of the upper cladding plate of the present invention;

[0044] Figure 4 A top cross-sectional view of the upper cladding plate of the present invention;

[0045] Figure 5 It is an enlarged view of E of the present invention;

[0046] Figure 6 It is an enlarged view of F of the present invention;

[0047] Figure 7 is a cross-sectional view of the first cylinder of the present invention;

[0048] Figure 8 It is a cross-sectional view of the second cylinder of the present invention.

[0049] In the figure: 1, workbench; 2, fixing rod; 3, upper closing plate; 4, first spring; 5, lower closing plate; 6, first mounting plate; 7, hydraulic rod; 8, second mounting plate; 9, plug plate; 10, plug hole; 11, first cavity; 12, oil-absorbing cotton; 13, slot; 14, first sleeve; 15, building block; 16, first cylinder; 17, oil tank; 18, first piston plate; 19, first push rod; 20, second spring; 21, guide tube; 22, mounting hole; 23, scraper; 24, second cavity; 25, recovery pipe; 26, second cylinder; 27, second piston plate; 28, second push rod; 29, third spring; 30, intake valve; 31, exhaust valve; 32, air pipe; 33, third cavity; 34, oil pipeline; 35, second sleeve; 36, baffle; 37, guide rod; 38, float box; 39, magnet. DETAILED DESCRIPTION

[0050] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0051] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0052] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0053] See also Figures 1 to 8 The present invention provides a flexible circuit board pressing device, and the technical solution is as follows:

[0054] A flexible circuit board pressing device comprises a workbench 1, four fixing rods 2 are symmetrically and vertically fixedly installed on the top wall of the workbench 1, an upper closing plate 3 is movably sleeved on the four fixing rods 2, a first spring 4 is sleeved on the portion of each fixing rod 2 located below the upper closing plate 3, a lower closing plate 5 matching with the upper closing plate 3 is fixedly installed on the top wall of the workbench 1, a first mounting plate 6 is commonly fixedly installed on the top ends of the four fixing rods 2, a hydraulic rod 7 is vertically and fixedly installed on the bottom wall of the first mounting plate 6, a second mounting plate 8 is horizontally and fixedly installed on the output end of the hydraulic rod 7, a plurality of plugging plates 9 are vertically and fixedly installed on the bottom wall of the second mounting plate 8, a plurality of sockets 10 matching with the plugging plates 9 are provided on the upper closing plate 3, and a plurality of plugging holes 10 matching with the sockets 10 are provided on the closing plate 3. A first cavity 11 is connected, and an oil-absorbing cotton 12 is fixedly installed in the first cavity 11. The oil-absorbing cotton 12 is provided with a plurality of strip holes that cooperate with the plug plate 9. A slot 13 is provided on the side wall of the upper closing plate 3, and a locking mechanism that cooperates with the slot 13 is provided on the top wall of the workbench 1;

[0055] The locking mechanism includes a first sleeve 14 fixedly mounted on the top wall of the workbench 1, a building block 15 cooperating with the slot 13 being movably arranged in the first sleeve 14, a first cylinder 16 connected with the first sleeve 14 being fixedly mounted on the bottom wall of the first mounting plate 6, and the building block 15 is driven by the first cylinder 16, an oil tank 17 for supplying oil to the oil-absorbing cotton 12 is provided on the first mounting plate 6, and a recovery mechanism cooperating with the oil tank 17 is provided on the closing plate 3.

[0056] In the initial state, the first spring 4 pushes the upper closing plate 3 upward, and the hydraulic rod 7 is fully retracted, at which time the first mounting plate 6 is in contact with the outer sleeve of the hydraulic rod 7 .

[0057] When it is necessary to press-fit the flexible circuit board, first place the circuit board on the top wall of the lower closing plate 5, then start the hydraulic rod 7, and drive the second mounting plate 8 to move downward by the hydraulic rod 7. During the downward movement of the second mounting plate 8, the plug plate 9 vertically installed on the bottom wall of the second mounting plate 8 also moves downward accordingly. When the plug plate 9 moves downward, it gradually enters the plug hole 10 on the upper closing plate 3 and continues to move downward. The bottom wall of the plug plate 9 first contacts the oil-absorbing cotton 12, and then the plug plate 9 passes through the strip holes on the oil-absorbing cotton 12. In this process, the surface of the plug plate 9 will be attached with anti-sticking oil, which plays a role in reducing the viscosity between the plug plate 9 and the circuit board during the pressing process. Then the second mounting plate 8 drives the plug plate 9 to continue to move downward. During the downward movement, the recovery mechanism recovers the anti-sticking oil on the side wall of the plug plate 9, which plays a role in reducing the loss of anti-sticking oil.

[0058] When the hydraulic rod 7 drives the first mounting plate 6 to move downward, the first cylinder 16 starts to work, thereby increasing the pressure in the first sleeve 14 connected thereto. Therefore, the first building block 15 will extend out of the first sleeve 14, thus preparing for fixing the upper closing plate 3.

[0059] And the second mounting plate 8 continues to drive the plugging plate 9 to move downward until the bottom wall of the plugging plate 9 and the bottom wall of the upper closing plate 3 are at the same horizontal plane. At this time, the bottom wall of the second mounting plate 8 and the top wall of the upper closing plate 3 are tightly fitted together. Then the second mounting plate 8 pushes the upper closing plate 3 downward, and in the process of the upper closing plate 3 moving downward, the first spring 4 is squeezed, and the upper closing plate 3 squeezes the building block 15. When the building block 15 is squeezed into the first sleeve 14, the pressure in the first sleeve 14 continues to increase. When the upper closing plate 3 and the lower closing plate 5 are completely fitted to press the circuit board, the building block 15 is just in contact with the card The grooves 13 are in the same horizontal plane. At this time, under the action of high pressure, the blocks 15 will penetrate into the grooves 13, thereby fixing the upper closing plate 3. After the pressing is completed, since the upper closing plate 3 is fixed, when the hydraulic rod 7 drives the second mounting plate 8 to move upward, since the bottom wall of the plug plate 9 is adhered to anti-sticking oil, the adhesion between the plug plate 9 and the circuit board is small. At this time, the plug plate 9 can gradually detach from the socket 10, that is, detach from the contact with the circuit board, reducing the contact area between the upper closing plate 3 and the circuit board, thereby making it easier for the circuit board to detach from the contact with the upper closing plate 3.

[0060] When the hydraulic rod 7 drives the second mounting plate 8 to reset, under the action of the first cylinder 16, the sleeve is in a negative pressure state, so the block 15 will retract into it. When the block 15 retracts, the squeezed first spring 4 pushes the upper closing plate 3 upward, thereby resetting the upper closing plate 3 and preparing for work again.

[0061] During the resetting process of the upper closing plate 3, since the contact area between the upper closing plate 3 and the circuit board is reduced when the plug-in plate 9 is disengaged from the plug-in hole 10, the adhesion between the upper closing plate 3 and the circuit board becomes smaller. Therefore, when the upper closing plate 3 moves upward, the circuit board is separated from the contact with the upper closing plate 3 under the action of its own weight, which reduces the damage to the circuit board.

[0062] When working for a long time, the anti-sticking oil on the oil-absorbing cotton 12 is consumed. During this process, the oil tank 17 can provide the oil-absorbing cotton 12 with anti-sticking oil at any time, so that the oil-absorbing cotton 12 is always kept in a saturated state, so that the bottom wall of the plug board 9 is always attached with anti-sticking oil, which plays a role in ensuring that the bottom wall of the plug board 9 will not stick to the circuit board.

[0063] As an embodiment of the present invention, refer to Figure 7 A first piston plate 18 is movably provided in the first cylinder 16, a first push rod 19 extending to the outside of the first cylinder 16 is vertically fixedly installed on the bottom wall of the first piston plate 18, a second spring 20 fixedly connected to the first piston plate 18 is vertically fixedly installed on the inner bottom wall of the first cylinder 16, and a conduit 21 connected to the first sleeve 14 is fixedly installed on the side wall of the first cylinder 16.

[0064] In the initial state, the hydraulic rod 7 is fully retracted, so the first mounting plate 6 is in contact with the outer sleeve of the hydraulic rod 7. At this time, the first mounting plate 6 pushes the first push rod 19 upward, so that the first push rod 19 drives the first piston plate 18 to move upward and squeeze the first spring 4. At this time, the space below the first piston plate 18 in the first cylinder 16 is in a negative pressure state. Since the conduit 21 is connected to the first sleeve 14, the first sleeve 14 is also in a negative pressure state. At this time, the building block 15 is retracted into the first sleeve 14.

[0065] When the hydraulic rod 7 drives the first mounting plate 6 to move downward, the first mounting plate 6 no longer pushes the first push rod 19 upward. Therefore, under the action of the first spring 4, the first piston plate 18 moves downward along the inner wall of the first cylinder 16. Therefore, the space below the first piston plate 18 in the first cylinder 16 is in a high-pressure state. Since the conduit 21 is connected to the first sleeve 14, the first sleeve 14 is also in a high-pressure state. Therefore, the building block 15 extends out of the sleeve, thereby driving the building block 15 to extend from the first sleeve 14.

[0066] As an embodiment of the present invention, refer to Figure 5 The recovery mechanism includes a mounting hole 22 formed on the side wall of the socket 10, a scraper 23 which is fixedly mounted on the side wall of each mounting hole 22 and is in the same plane as the inner wall of the socket 10, a second cavity 24 which is connected to the mounting hole 22 is formed on the clamping plate 3, a recovery pipe 25 which is connected to the oil box is fixedly mounted on the bottom wall of the second cavity 24, and a second cylinder 26 which drives the oil tank 17 to absorb oil is fixedly mounted on the first mounting plate 6.

[0067] When the second mounting plate 8 drives the plugging plate 9 to pass through the insertion hole 10, the bottom wall of the plugging plate 9 first contacts with the oil-absorbing cotton 12. At this time, the second mounting plate 8 continues to drive the plugging plate 9 to move downward, and the plugging plate 9 will pass through the strip hole on the oil-absorbing cotton 12. During this process, the side wall of the plugging plate 9 will contact with the oil-absorbing cotton 12. During the contact process, the anti-sticking oil on the surface of the oil-absorbing cotton 12 will adhere to the side wall of the plugging plate 9.

[0068] When the plug plate 9 continues to move downward, the side wall of the plug plate 9 contacts the scraper 23. At this time, the scraper 23 scrapes off the anti-sticking oil attached to the side wall of the plug plate 9. At the same time, the scraped anti-sticking oil flows along the scraper 23 and drips into the mounting hole 22. The anti-sticking oil dripping into the mounting hole 22 flows into the second cavity 24 connected to the mounting hole 22.

[0069] Under the action of the second cylinder 26, the oil tank 17 is in a negative pressure state. Since a recovery pipe 25 connected to the oil tank 17 is fixedly installed on the bottom wall of the second cavity 24, when the oil tank 17 is in a negative pressure state, the oil tank 17 will absorb external gas through the recovery pipe 25 to balance the pressure. At this time, since the anti-sticking oil in the second cavity 24 blocks the recovery pipe 25, when the oil tank 17 balances the pressure, the anti-sticking oil in the second cavity 24 will be absorbed, thereby realizing recycling and reducing costs.

[0070] As an embodiment of the present invention, refer to Figure 8 A second piston plate 27 is movably provided in the second cylinder 26, a second push rod 28 extending to the outside of the second cylinder 26 is vertically fixedly installed on the bottom wall of the second piston plate 27, a third spring 29 fixedly connected to the second piston plate 27 is vertically fixedly installed on the inner top wall of the second cylinder 26, an intake valve 30 and an exhaust valve 31 are respectively fixedly installed on the side walls of the second cylinder 26, and an air pipe 32 connected to the oil tank 17 is fixedly installed on the input end of the intake valve 30.

[0071] In the initial state, the hydraulic rod 7 is fully retracted, so the first mounting plate 6 fits against the outer sleeve of the hydraulic rod 7. At this time, the first mounting plate 6 pushes the second push rod 28 upward, so that the second push rod 28 drives the second piston plate to move up and squeeze the third spring 29. At this time, the space below the second piston plate 27 in the second cylinder 26 is in a negative pressure state.

[0072] Since an intake valve 30 and an exhaust valve 31 are installed on the side wall of the second cylinder 26, and an air pipe 32 connected to the oil tank 17 is fixedly installed on the input end of the intake valve 30, when the second cylinder 26 is in a negative pressure state, the gas will be absorbed through the air pipe 32 to balance the pressure. When the second cylinder 26 absorbs the gas in the oil tank 17, the oil tank 17 is in a negative pressure state, so that the oil tank 17 can absorb the anti-sticking oil in the second cavity 24 through the recovery pipe 25, thereby playing a role in driving the oil tank 17 to absorb the anti-sticking oil.

[0073] When the hydraulic rod 7 drives the first mounting plate 6 to move downward, under the action of the third spring 29, the second piston plate 27 moves downward along the inner wall of the second cylinder 26. At this time, under the action of the intake valve 30 and the exhaust valve 31, the gas in the second cylinder 26 can only be discharged into the air through the exhaust valve 31, thereby preparing to drive the oil tank 17 again to absorb the anti-sticking oil in the second cavity 24.

[0074] As an embodiment of the present invention, refer to Figure 6A third cavity 33 is formed on the plywood 3, the oil-absorbing cotton 12 extends into the third cavity 33, an oil pipe 34 extending into the third cavity 33 is fixedly mounted on the bottom wall of the oil tank 17, and a trigger mechanism for triggering the oil pipe 34 to be turned on is provided on the oil pipe 34.

[0075] When there is a large amount of anti-sticking oil in the third cavity 33, the oil-absorbing cotton 12 always remains in a saturated state. When the plug plate 9 frequently contacts the oil-absorbing cotton 12, the anti-sticking oil on the oil-absorbing cotton 12 is consumed, so that the oil-absorbing cotton 12 absorbs the anti-sticking oil from the third cavity 33, so the amount of oil in the third cavity 33 is reduced. At this time, under the action of the trigger mechanism, the oil in the oil tank 17 flows into the third cavity 33 through the oil pipe 34. Since the oil-absorbing cotton 12 extends into the third cavity 33, the oil-absorbing cotton 12 can absorb the anti-sticking oil from the third cavity 33 and remain in a saturated state.

[0076] Since the anti-sticking oil on the oil-absorbing cotton 12 is consumed every time the plug plate 9 passes through the oil-absorbing cotton 12, long-term use will cause the oil-absorbing cotton 12 to continuously absorb the anti-sticking oil from the third cavity 33, thereby causing the water level in the third cavity 33 to drop. At this time, under the action of the trigger mechanism, the oil in the oil tank 17 flows from the oil pipe 34 into the third cavity 33, so that the anti-sticking oil can be automatically replenished for the third cavity 33, thereby ensuring that the oil absorption always remains in a saturated state.

[0077] As an embodiment of the present invention, refer to Figure 6 The trigger mechanism includes a second sleeve 35 fixedly mounted on the top wall of the composite plate 3 and connected to the oil pipeline 34, a baffle 36 made of magnetic material is movably provided in the second sleeve 35, a guide rod 37 is vertically fixedly mounted on the bottom wall of the third cavity 33, a float box 38 is movably sleeved on the guide rod 37, and a magnet 39 that repel each other with the magnetic baffle 36 is vertically fixedly mounted on the top wall of the float box 38.

[0078] When there is enough oil in the third cavity 33, the float box 38 drives the magnet 39 to move to the top of the guide rod 37. At this time, the baffle 36 made of magnetic material and the magnet 39 repel each other, so the baffle 36 will move up along the second sleeve 35, thereby blocking the oil pipeline 34 and stopping the injection of anti-sticking oil into the third cavity 33.

[0079] When the oil in the third cavity 33 is gradually consumed, the float box 38 floating on the water surface will move down along the guide rod 37 with the water surface, and drive the magnet 39 to move down together. In the process of the magnet 39 moving down, the repulsive force between the magnet 39 and the baffle 36 gradually decreases. When the gravity of the baffle 36 is greater than the repulsive force between the magnet 39 and the baffle 36, the baffle 36 moves down along the second sleeve 35. At this time, the oil pipeline 34 is connected, so that the oil in the oil tank 17 continues to flow into the third cavity 33.

[0080] When the water level in the third cavity 33 gradually rises, the float box 38 drives the magnet 39 to move upward along the guide rod 37. During this process, the distance between the magnet 39 and the baffle 36 gradually decreases, so the repulsive force gradually increases. When the repulsive force is greater than the gravity, the baffle 36 moves upward along the second sleeve 35, thereby isolating the oil pipeline 34, so that the oil in the oil tank 17 no longer flows into the third cavity 33. In the whole process, it plays a role of automatically adding oil to the third cavity 33.

[0081] Working principle: In the initial state, the first spring 4 pushes the upper closing plate 3 upward, and the hydraulic rod 7 is fully retracted. At this time, the first mounting plate 6 is in contact with the outer sleeve of the hydraulic rod 7.

[0082] When it is necessary to press-fit the flexible circuit board, first place the circuit board on the top wall of the lower closing plate 5, then start the hydraulic rod 7, and drive the second mounting plate 8 to move downward by the hydraulic rod 7. During the downward movement of the second mounting plate 8, the plug plate 9 vertically installed on the bottom wall of the second mounting plate 8 also moves downward accordingly. When the plug plate 9 moves downward, it gradually enters the plug hole 10 on the upper closing plate 3 and continues to move downward. The bottom wall of the plug plate 9 first contacts the oil-absorbing cotton 12, and then the plug plate 9 passes through the strip holes on the oil-absorbing cotton 12. In this process, the surface of the plug plate 9 will be attached with anti-sticking oil, which plays a role in reducing the viscosity between the plug plate 9 and the circuit board during the pressing process. Then the second mounting plate 8 drives the plug plate 9 to continue to move downward. During the downward movement, the recovery mechanism recovers the anti-sticking oil on the side wall of the plug plate 9, which plays a role in reducing the loss of anti-sticking oil.

[0083] When the hydraulic rod 7 drives the first mounting plate 6 to move downward, the first cylinder 16 starts to work, thereby increasing the pressure in the first sleeve 14 connected thereto. Therefore, the first building block 15 will extend out of the first sleeve 14, thus preparing for fixing the upper closing plate 3.

[0084] And the second mounting plate 8 continues to drive the plugging plate 9 to move downward until the bottom wall of the plugging plate 9 and the bottom wall of the upper closing plate 3 are at the same horizontal plane. At this time, the bottom wall of the second mounting plate 8 and the top wall of the upper closing plate 3 are tightly fitted together. Then the second mounting plate 8 pushes the upper closing plate 3 downward, and in the process of the upper closing plate 3 moving downward, the first spring 4 is squeezed, and the upper closing plate 3 squeezes the building block 15. When the building block 15 is squeezed into the first sleeve 14, the pressure in the first sleeve 14 continues to increase. When the upper closing plate 3 and the lower closing plate 5 are completely fitted to press the circuit board, the building block 15 is just in contact with the card The grooves 13 are in the same horizontal plane. At this time, under the action of high pressure, the blocks 15 will penetrate into the grooves 13, thereby fixing the upper closing plate 3. After the pressing is completed, since the upper closing plate 3 is fixed, when the hydraulic rod 7 drives the second mounting plate 8 to move upward, since the bottom wall of the plug plate 9 is adhered to anti-sticking oil, the adhesion between the plug plate 9 and the circuit board is small. At this time, the plug plate 9 can gradually detach from the socket 10, that is, detach from the contact with the circuit board, reducing the contact area between the upper closing plate 3 and the circuit board, thereby making it easier for the circuit board to detach from the contact with the upper closing plate 3.

[0085] In the initial state, the hydraulic rod 7 is fully retracted, so the first mounting plate 6 is in contact with the outer sleeve of the hydraulic rod 7. At this time, the first mounting plate 6 pushes the first push rod 19 upward, so that the first push rod 19 drives the first piston plate 18 to move upward and squeeze the first spring 4. At this time, the space below the first piston plate 18 in the first cylinder 16 is in a negative pressure state. Since the conduit 21 is connected to the first sleeve 14, the first sleeve 14 is also in a negative pressure state. At this time, the building block 15 is retracted into the first sleeve 14.

[0086] When the hydraulic rod 7 drives the first mounting plate 6 to move downward, the first mounting plate 6 no longer pushes the first push rod 19 upward. Therefore, under the action of the first spring 4, the first piston plate 18 moves downward along the inner wall of the first cylinder 16. Therefore, the space below the first piston plate 18 in the first cylinder 16 is in a high-pressure state. Since the conduit 21 is connected to the first sleeve 14, the first sleeve 14 is also in a high-pressure state. Therefore, the building block 15 extends out of the sleeve, thereby driving the building block 15 to extend out of the first sleeve 14. Therefore, under the action of the first cylinder 16, the sleeve is in a negative pressure state, so the building block 15 will retract into it. When the building block 15 retracts, the squeezed first spring 4 pushes the upper closing plate 3 upward, thereby resetting the upper closing plate 3 and preparing for work again.

[0087] When the second mounting plate 8 drives the plugging plate 9 to pass through the insertion hole 10, the bottom wall of the plugging plate 9 first contacts with the oil-absorbing cotton 12. At this time, the second mounting plate 8 continues to drive the plugging plate 9 to move downward, and the plugging plate 9 will pass through the strip hole on the oil-absorbing cotton 12. During this process, the side wall of the plugging plate 9 will contact with the oil-absorbing cotton 12. During the contact process, the anti-sticking oil on the surface of the oil-absorbing cotton 12 will adhere to the side wall of the plugging plate 9.

[0088] When the plug plate 9 continues to move downward, the side wall of the plug plate 9 contacts the scraper 23. At this time, the scraper 23 scrapes off the anti-sticking oil attached to the side wall of the plug plate 9. At the same time, the scraped anti-sticking oil flows along the scraper 23 and drips into the mounting hole 22. The anti-sticking oil dripping into the mounting hole 22 flows into the second cavity 24 connected to the mounting hole 22.

[0089] In the initial state, the hydraulic rod 7 is fully retracted, so the first mounting plate 6 fits against the outer sleeve of the hydraulic rod 7. At this time, the first mounting plate 6 pushes the second push rod 28 upward, so that the second push rod 28 drives the second piston plate to move up and squeeze the third spring 29. At this time, the space below the second piston plate 27 in the second cylinder 26 is in a negative pressure state.

[0090] Since an intake valve 30 and an exhaust valve 31 are installed on the side wall of the second cylinder 26, and an air pipe 32 connected to the oil tank 17 is fixedly installed on the input end of the intake valve 30, when the second cylinder 26 is in a negative pressure state, the gas will be absorbed through the air pipe 32 to balance the pressure. When the second cylinder 26 absorbs the gas in the oil tank 17, the oil tank 17 is in a negative pressure state, so that the oil tank 17 can absorb the anti-sticking oil in the second cavity 24 through the recovery pipe 25, thereby playing a role in driving the oil tank 17 to absorb the anti-sticking oil.

[0091] When the hydraulic rod 7 drives the first mounting plate 6 to move downward, under the action of the third spring 29, the second piston plate 27 moves downward along the inner wall of the second cylinder 26. At this time, under the action of the intake valve 30 and the exhaust valve 31, the gas in the second cylinder 26 can only be discharged into the air through the exhaust valve 31, thereby preparing to drive the oil tank 17 again to absorb the anti-sticking oil in the second cavity 24.

[0092] Therefore, under the action of the second cylinder 26, the oil tank 17 is in a negative pressure state. Since a recovery pipe 25 connected to the oil tank 17 is fixedly installed on the bottom wall of the second cavity 24, when the oil tank 17 is in a negative pressure state, the oil tank 17 will absorb external gas through the recovery pipe 25 to balance the pressure. At this time, since the anti-sticking oil in the second cavity 24 blocks the recovery pipe 25, when the oil tank 17 balances the pressure, the anti-sticking oil in the second cavity 24 will be absorbed, thereby realizing recycling and reducing costs.

[0093] During the resetting process of the upper closing plate 3, since the contact area between the upper closing plate 3 and the circuit board is reduced when the plug-in plate 9 is disengaged from the plug-in hole 10, the adhesion between the upper closing plate 3 and the circuit board becomes smaller. Therefore, when the upper closing plate 3 moves upward, the circuit board is separated from the contact with the upper closing plate 3 under the action of its own weight, which reduces the damage to the circuit board.

[0094] When working for a long time, the anti-sticking oil on the oil-absorbing cotton 12 is consumed. During this process, the oil tank 17 can provide the oil-absorbing cotton 12 with anti-sticking oil at any time, so that the oil-absorbing cotton 12 is always kept in a saturated state, so that the bottom wall of the plug board 9 is always attached with anti-sticking oil, which plays a role in ensuring that the bottom wall of the plug board 9 will not stick to the circuit board.

[0095] When there is a large amount of anti-sticking oil in the third cavity 33, the oil-absorbing cotton 12 always remains in a saturated state. When the plug plate 9 frequently contacts the oil-absorbing cotton 12, the anti-sticking oil on the oil-absorbing cotton 12 is consumed, so that the oil-absorbing cotton 12 absorbs the anti-sticking oil from the third cavity 33, so the amount of oil in the third cavity 33 is reduced. At this time, under the action of the trigger mechanism, the oil in the oil tank 17 flows into the third cavity 33 through the oil pipe 34. Since the oil-absorbing cotton 12 extends into the third cavity 33, the oil-absorbing cotton 12 can absorb the anti-sticking oil from the third cavity 33 and remain in a saturated state.

[0096] Since the plug plate 9 consumes the anti-sticking oil on the oil-absorbing cotton 12 every time it passes through the oil-absorbing cotton 12, long-term use will cause the oil-absorbing cotton 12 to continuously absorb the anti-sticking oil from the third cavity 33, thereby causing the water level in the third cavity 33 to drop. When there is enough oil in the third cavity 33, the float box 38 drives the magnet 39 to move to the top of the guide rod 37. At this time, the baffle 36 and the magnet 39 made of magnetic material repel each other, so the baffle 36 will move up along the second sleeve 35, thereby blocking the oil pipe 34 and stopping the injection of anti-sticking oil into the third cavity 33.

[0097] When the oil in the third cavity 33 is gradually consumed, the float box 38 floating on the water surface will move down along the guide rod 37 with the water surface, and drive the magnet 39 to move down together. In the process of the magnet 39 moving down, the repulsive force between the magnet 39 and the baffle 36 gradually decreases. When the gravity of the baffle 36 is greater than the repulsive force between the magnet 39 and the baffle 36, the baffle 36 moves down along the second sleeve 35. At this time, the oil pipeline 34 is connected, so that the oil in the oil tank 17 continues to flow into the third cavity 33.

[0098] When the water level in the third cavity 33 gradually rises, the float box 38 drives the magnet 39 to move upward along the guide rod 37. During this process, the distance between the magnet 39 and the baffle 36 gradually decreases, so the repulsive force gradually increases. When the repulsive force is greater than the gravity, the baffle 36 moves upward along the second sleeve 35, thereby isolating the oil pipeline 34, so that the oil in the oil tank 17 no longer flows into the third cavity 33. In the whole process, it plays a role of automatically adding oil to the third cavity 33.

[0099] Therefore, the oil in the oil tank 17 flows from the oil delivery pipe 34 into the third cavity 33, so that the anti-sticking oil can be automatically replenished for the third cavity 33, which plays a role in ensuring that the oil absorption always remains in a saturated state.

[0100] The electrical components appearing in this article are all connected to the external main controller and 220V AC power through a transformer, and the main controller can be a conventional known device that controls a computer, etc. The product model provided by the present invention is only used for the technical solution according to the structural characteristics of the product. The product will be adjusted and modified after purchase to make it more matching and consistent with the technical solution of the present invention. It is a technical solution for the best application of the technical solution. The model of its product can be replaced and modified according to the required technical parameters, which is well known to technical personnel in this field. Therefore, technical personnel in this field can clearly obtain the corresponding use effect through the technical solution provided by the present invention.

[0101] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flexible circuit board pressing device, comprising a workbench (1), wherein four fixing rods (2) are symmetrically and vertically fixedly installed on the top wall of the workbench (1), an upper closing plate (3) is movably sleeved on the four fixing rods (2), a first spring (4) is sleeved on the part of each fixing rod (2) located below the upper closing plate (3), and a lower closing plate (5) cooperating with the upper closing plate (3) is fixedly installed on the top wall of the workbench (1), characterized in that: A first mounting plate (6) is fixedly mounted on the top ends of the four fixing rods (2); a hydraulic rod (7) is vertically fixedly mounted on the bottom wall of the first mounting plate (6); a second mounting plate (8) is horizontally fixedly mounted on the output end of the hydraulic rod (7); a plurality of plugging plates (9) are vertically fixedly mounted on the bottom wall of the second mounting plate (8); a plurality of plugging holes (10) matching the plugging plates (9) are provided on the upper closing plate (3); a first cavity (11) connected to the plugging holes (10) is provided on the second mounting plate (8); an oil-absorbing cotton (12) is fixedly mounted in the first cavity (11); a plurality of strip-shaped holes matching the plugging plates (9) are provided on the oil-absorbing cotton (12); a slot (13) is provided on the side wall of the upper closing plate (3); and a locking mechanism matching the slot (13) is provided on the top wall of the workbench (1); The locking mechanism comprises a first sleeve (14) fixedly mounted on the top wall of the workbench (1), a building block (15) cooperating with the slot (13) being movably arranged in the first sleeve (14), a first cylinder (16) connected with the first sleeve (14) being fixedly mounted on the bottom wall of the first mounting plate (6), and the building block (15) being driven by the first cylinder (16), an oil tank (17) for supplying oil to the oil-absorbing cotton (12) being arranged on the first mounting plate (8), and a recovery mechanism cooperating with the oil tank (17) being arranged on the composite plate (3); A first piston plate (18) is movably arranged in the first cylinder (16); a first push rod (19) extending outside the first cylinder (16) is vertically fixedly installed on the bottom wall of the first piston plate (18); a second spring (20) fixedly connected to the first piston plate (18) is vertically fixedly installed on the inner bottom wall of the first cylinder (16); and a guide tube (21) communicating with the first sleeve (14) is fixedly installed on the side wall of the first cylinder (16); The recovery mechanism comprises a mounting hole (22) formed on a side wall of the insertion hole (10); a scraper (23) which is in the same plane as the inner wall of the insertion hole (10) is fixedly mounted on the side wall of each mounting hole (22); a second cavity (24) which is in communication with the mounting hole (22) is formed on the clamping plate (3); a recovery pipe (25) which is in communication with the oil box is fixedly mounted on the bottom wall of the second cavity (24); and a second cylinder (26) which drives the oil tank (17) to absorb oil is fixedly mounted on the first mounting plate (8); A third cavity (33) is formed on the plywood (3), the oil-absorbing cotton (12) extends into the third cavity (33), an oil delivery pipe (34) extending into the third cavity (33) is fixedly mounted on the bottom wall of the oil tank (17), and the oil delivery pipe (34) is provided with a trigger mechanism for triggering the conduction of the oil delivery pipe (34).

2. A flexible circuit board pressing device according to claim 1, characterized in that: A second piston plate (27) is movably arranged in the second cylinder (26); a second push rod (28) extending to the outside of the second cylinder (26) is vertically fixedly installed on the bottom wall of the second piston plate (27); a third spring (29) fixedly connected to the second piston plate (27) is vertically fixedly installed on the inner top wall of the second cylinder (26); an intake valve (30) and an exhaust valve (31) are respectively fixedly installed on the side walls of the second cylinder (26); and an air pipe (32) connected to the oil tank (17) is fixedly installed on the input end of the intake valve (30).

3. The flexible circuit board pressing device according to claim 1, characterized in that: The trigger mechanism comprises a second sleeve (35) fixedly mounted on the top wall of the composite plate (3) and connected to the oil delivery pipe (34); a baffle (36) made of a magnetic material is movably arranged in the second sleeve (35); a guide rod (37) is vertically fixedly mounted on the bottom wall of the third cavity (33); a float box (38) is movably sleeved on the guide rod (37); and a magnet (39) which repels the magnetic baffle (36) is vertically fixedly mounted on the top wall of the float box (38).

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