CN114845486B - Multilayer printed circuit board hot press unit - Google Patents
Multilayer printed circuit board hot press unit Download PDFInfo
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- CN114845486B CN114845486B CN202210766197.4A CN202210766197A CN114845486B CN 114845486 B CN114845486 B CN 114845486B CN 202210766197 A CN202210766197 A CN 202210766197A CN 114845486 B CN114845486 B CN 114845486B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4611—Manufacturing multilayer circuits by laminating two or more circuit boards
- H05K3/4638—Aligning and fixing the circuit boards before lamination; Detecting or measuring the misalignment after lamination; Aligning external circuit patterns or via connections relative to internal circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/06—Lamination
- H05K2203/061—Lamination of previously made multilayered subassemblies
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/06—Lamination
- H05K2203/065—Binding insulating layers without adhesive, e.g. by local heating or welding, before lamination of the whole PCB
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/06—Lamination
- H05K2203/068—Features of the lamination press or of the lamination process, e.g. using special separator sheets
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- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a hot-pressing device for a multilayer printed circuit board, and relates to the technical field of circuit board processing. This multilayer printed circuit board hot press device, including fixture, fixture includes the centre gripping bottom plate, the centre gripping groove has been seted up to the upper surface of centre gripping bottom plate, the inside in centre gripping groove is inserted and is connected with the grip block, the grip block is in that one side lower extreme fixedly connected with spring one of keeping away from centre gripping bottom plate center, the lateral wall in that one end fixed connection centre gripping groove of grip block is being kept away from to spring one, the grip block is in that one side downside fixedly connected with centre gripping pad that is close centre gripping bottom plate center, the linkage groove has been seted up to that one side that the grip block is close centre gripping bottom plate center, circuit board assembly has been placed at the upper surface middle part of centre gripping bottom plate, fixture's top is provided with main part pressing mechanism, main part pressing mechanism includes briquetting one, this multilayer printed circuit board hot press device makes the device can the excessive pressure protection, the operation security of device has been improved.
Description
Technical Field
The invention relates to the technical field of circuit board processing, in particular to a hot-pressing device for a multilayer printed circuit board.
Background
PCB (Printed Circuit Board), which is called Printed Circuit Board in chinese, is an important electronic component, a support for electronic components, and a carrier for electrical interconnection of electronic components. It is called a "printed" circuit board because it is made using electronic printing. Printed wiring boards are one of the important components of the electronics industry. Almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, has electronic components such as integrated circuits, and printed boards are used to electrically interconnect the components. The printed circuit board consists of an insulating bottom plate, a connecting lead and a welding disc for assembling and welding electronic elements, and has double functions of a conductive circuit and the insulating bottom plate. The circuit can replace complex wiring to realize electrical connection among elements in the circuit, thereby simplifying the assembly and welding work of electronic products, reducing the wiring workload in the traditional mode and greatly lightening the labor intensity of workers; and the volume of the whole machine is reduced, the product cost is reduced, and the quality and the reliability of the electronic equipment are improved. The printed circuit board has good product consistency, can adopt standardized design, and is beneficial to realizing mechanization and automation in the production process. Meanwhile, the whole printed circuit board subjected to assembly and debugging can be used as an independent spare part, so that the exchange and maintenance of the whole product are facilitated. At present, printed wiring boards have been used very widely in the manufacture of electronic products.
The hot press needs to be used in the assembling process of the multilayer printed circuit board, the hot press needs to carry out hot-pressing joint on the multilayer printed circuit board and the panel, most hot presses on the market at present heat a pressure head through a heater, and the pressure head reaching the set temperature is pressed towards the product direction through a cylinder motor until the multilayer printed circuit board and the panel are welded together. When a pressure head of a traditional hot pressing device is pressed down for welding, the traditional hot pressing device is usually deviated from a preset position, so that a welded display panel has problems and poor control precision; on the other hand, when the conventional hot-pressing device is powered off or is in a gas failure state, sometimes the pressure head of the hot-pressing device can be continuously pressed down due to the error of the control system or the execution unit of the hot-pressing device, so that the product is damaged, and the reliability is poor. Therefore, a hot press for multi-layer printed circuit boards is needed to solve the above problems.
Disclosure of Invention
The present invention is directed to a hot press apparatus for multi-layer printed circuit board, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multilayer printed circuit board hot press unit, includes fixture, fixture includes the centre gripping bottom plate, the centre gripping groove has been seted up to the upper surface of centre gripping bottom plate, the inside of centre gripping groove inserts and is connected with the grip block, the grip block is at the one side lower extreme fixedly connected with spring one of keeping away from the centre gripping bottom plate center, spring one is at the lateral wall of the one end fixedly connected with centre gripping groove of keeping away from the grip block, the grip block is at the one side downside fixedly connected with centre gripping pad that is close to the centre gripping bottom plate center, the grip block is close to the one side of centre gripping bottom plate center and has seted up the linkage groove, circuit board subassembly has been placed in the upper surface middle part of grip block, fixture's top is provided with main part pressfitting mechanism, main part pressfitting mechanism includes briquetting one, the lower fixed surface of briquetting one installs hot plate one, the lower surface edge fixedly connected with the gasbag of hot plate two of hot port fixedly connected with of gasbag, the upper end outside of briquetting one all has seted up in the hole groove all around, the lower extreme outside of briquetting one is provided with the trachea all equidistance around, the outside of main part of briquetting one side pressfitting mechanism is provided with side pressfitting mechanism, side pressfitting mechanism is connected with a linkage pole in proper order in the linkage pole that side linkage pole is connected with one side linkage pole, the linkage pole that is connected with one side linkage pole in the linkage pole that is connected with in the linkage pole that side linkage pole is kept away from the linkage pole in proper order.
Preferably, the clamping groove is in a cross shape, and the cross center of the clamping groove is opposite to the surface center of the clamping bottom plate; the clamping plates are L-shaped, the lower ends of the clamping plates are inserted into the clamping grooves and are matched with the clamping grooves, the number of the clamping plates is four, and the four clamping plates are correspondingly inserted into four crossed edges of the clamping grooves respectively; the first spring is positioned in the clamping groove and is matched with the clamping groove; the clamping pad has elasticity, and the lower side of the clamping pad is in contact with the upper surface of the clamping bottom plate; the linkage groove is T-shaped, and the clamping plate penetrates through the linkage groove from the upper end to the lower end.
Preferably, the center of the circuit board assembly is opposite to the center of the clamping bottom plate, the side edge of the circuit board assembly is correspondingly contacted with the clamping pad, and the clamping pad clamps the circuit board assembly from four directions.
Preferably, the surface center of the first pressing block is opposite to the surface center of the clamping bottom plate, the air bag is tubular and elastic, and the second heating plate and the first heating plate are the same in size and opposite to each other.
Preferably, the number of the linkage columns is four, the four linkage columns are respectively opposite to the hole grooves, the end, close to the first pressing block, of each linkage column is correspondingly inserted into the hole grooves and is matched with the hole grooves, a second spring is fixedly connected to the end, extending into the hole grooves, of each linkage column, and the end, far away from the linkage columns, of each spring is fixedly connected with the hole grooves; the side hot pressing part is matched with the edge length of the first pressing block; the linkage rod is T-shaped and is matched with the linkage groove.
Preferably, an inner groove is formed in the middle of the lower surface of the side cylinder, a second pressing block is arranged below the side cylinder, the diameters of the second pressing block and the side cylinder are the same, a pressing column is fixedly connected to the middle of the upper surface of the second pressing block, the upper end of the pressing column is correspondingly inserted into the inner groove and is matched with the inner groove, a third spring is fixedly connected to the upper end of the pressing column, the upper end of the third spring is fixedly connected with the upper inner wall of the inner groove, a first air hole is formed in the lower end of the side cylinder on the side far away from the first pressing block in a penetrating mode, and a second air hole is formed in the upper end of the side cylinder on the side close to the first pressing block in a penetrating mode; the end, close to the first pressing block, of the air pipe penetrates through the first pressing block and the first heating plate and is communicated with the inside of the air bag, the end, far away from the first pressing block, of the air pipe is correspondingly inserted into the second air hole and is fixedly connected with the second air hole, and the air pipe is communicated with the inner groove.
Preferably, fixture's below is provided with power unit, power unit includes the base, the upper surface rear end left side fixedly connected with riser of base, the briquetting is prevented to the upper surface front end middle part fixedly connected with of base, prevent the upper surface fixed connection centre gripping bottom plate of briquetting, prevent the rear surface upper end embedding fixedly connected with pressure guard plate of briquetting, the right side of riser is stretched into to the rear end of pressure guard plate, the rear end upper surface fixed connection of pressure guard plate prevents the clamping ring, it appears cyclic annularly to prevent the clamping ring.
Preferably, a motor is fixedly connected to the front upper end of the right surface of the vertical plate, a disc is fixedly connected to an output shaft of the right end of the motor, a cylinder is fixedly connected to the upper side of the right surface of the disc, a sleeve ring is arranged on the outer side of the cylinder and sleeved on the cylinder, the cylinder is located in the middle of the sleeve ring, a loop bar is fixedly connected to the rear end of the sleeve ring, a rod shaft is movably connected to the rear end of the loop bar through a bearing, the left end of the rod shaft corresponds to the vertical plate, and the sleeve ring and the loop bar are arranged in an inclined mode.
Preferably, the place ahead of the lantern ring is provided with the frame post, the frame post is the square frame shape, the middle part left and right side fixedly connected with of frame post draws the post, the front end cup joint of the lantern ring draw the outside of post and rather than the adaptation, the front end downside fixedly connected with connecting rod of frame post, the connecting rod presents the L type, the upper surface middle part of the lower extreme fixed connection briquetting of connecting rod.
Preferably, the upper end of the pressure-proof ring is sleeved on the outer side of the disc, and the inner side of the upper end of the pressure-proof ring is not in contact with the disc.
Compared with the prior art, the invention has the beneficial effects that:
(1) This multilayer printed circuit board hot press unit, through fixture's design, grip block and centre gripping pad have all been designed at the four sides of circuit board subassembly to can stabilize circuit board subassembly in the surperficial middle part of centre gripping bottom plate, and just right with main part pressing mechanism and side pressing mechanism's center, thereby can avoid circuit board subassembly to take place the skew when multilayer printed circuit board hot press unit carries out the pressfitting to the circuit board, thereby make the hot pressing of device more accurate.
(2) This multilayer printed circuit board hot press unit, whole area through with main part pressing mechanism dwindles, and add again and establish side pressing mechanism outside it, thereby carry out the in-process of pressfitting at main part pressing mechanism and side pressing mechanism to circuit board subassembly, the pressure that circuit board subassembly's pressfitting edge received compares dispersion more in the pressure that the middle part received, thereby play the pressfitting dynamics that the side that also can be fine received when the pressfitting was received to circuit board subassembly's edge, thereby avoid the broken problem of circuit board subassembly side atress, the security and the success rate of device pressfitting have been improved.
(3) This multilayer printed circuit board hot press unit, through the design of main part pressing mechanism and side pressing mechanism, it moves down to drive the frame post at the starter motor, thereby when making main part pressing mechanism push down, it is the hot plate two to contact the circuit board subassembly at first, can preheat the circuit board subassembly at first after the hot plate two contacts the circuit board subassembly, the gasbag begins the shrink simultaneously, thereby push its inside gas into the inside groove through the trachea, thereby make the compression leg move down, when the compression leg moves down the gas pocket one time, inside gas flows out fast, the compression leg passes through the existence recovery normal position of spring three this moment, under gaseous flow, make the compression leg drive two repetitive motions of briquetting, thereby make the side section of thick bamboo can also shake the pressfitting to the in-process of circuit board subassembly side pressfitting, improve the protection of device to circuit board subassembly side, and guarantee the pressfitting dynamics to the circuit board subassembly side.
(4) This multilayer printed circuit board hot press unit inserts sliding connection in the linkage groove through the gangbar to after the circuit board subassembly was put into the centre gripping bottom plate upside, grip block and centre gripping pad can be according to circuit board subassembly's concrete size adjusting position, and the side section of thick bamboo also can be according to the removal of grip block and adjusting position simultaneously, thereby make the device can the multiple circuit board of adaptation, can be according to the side position of the specification automatic positioning circuit board subassembly of circuit board simultaneously, improved the application range and the degree of automation of device.
(5) This kind of multilayer printed circuit board hot press unit, through preventing the briquetting, the design of anti-pressure plate and anti-compression ring, rotation through the motor, thereby it rotates to drive the disc, it drives the cylinder downwards to make the cylinder move down, thereby it drives main part pressing mechanism and side pressing mechanism and carries out the pressfitting to circuit board subassembly to drive the frame post to move down, when main part pressing mechanism appears moving down too much problem, prevent that the briquetting can be pushed down this moment, thereby it moves down with anti-compression ring to drive anti-pressure plate, prevent moving down of compression ring and can make the side of anti-compression ring contradict the outside of disc, thereby the rotation of restriction disc, the continuation that stops main part pressing mechanism and side pressing mechanism immediately moves down, thereby make the device can overvoltage protection, the operation security of device has been improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of a clamping mechanism according to the present invention;
FIG. 3 is a schematic view of a main body pressing mechanism according to the present invention;
FIG. 4 is a schematic view of a side pressing mechanism according to the present invention;
FIG. 5 is a schematic view of the inside of the side tube of the present invention;
FIG. 6 is a schematic view of a power mechanism according to the present invention;
fig. 7 is a schematic view of the collar attachment of the present invention.
In the figure: 1. a clamping mechanism; 101. clamping the bottom plate; 102. a clamping groove; 103. a clamping plate; 104. a first spring; 105. a clamping pad; 106. a linkage groove; 2. a circuit board assembly; 3. a main body pressing mechanism; 301. pressing a first block; 302. heating a first plate; 303. an air bag; 304. a second heating plate; 305. a hole groove; 306. an air tube; 4. a side edge pressing mechanism; 401. a linkage column; 402. a second spring; 403. a side cylinder; 404. a linkage rod; 405. an inner tank; 406. pressing a second block; 407. pressing the column; 408. a third spring; 409. a first air hole; 410. a second air hole; 5. a power mechanism; 501. a base; 502. a vertical plate; 503. preventing the briquetting; 504. a pressure-proof plate; 505. an anti-compression ring; 506. a motor; 507. a disc; 508. a cylinder; 509. a collar; 510. a loop bar; 511. a lever shaft; 512. a frame column; 513. pulling the column; 514. a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a hot-pressing device for a multilayer printed circuit board comprises a clamping mechanism 1, wherein the clamping mechanism 1 comprises a clamping bottom plate 101, the upper surface of the clamping bottom plate 101 is provided with a clamping groove 102, the inside of the clamping groove 102 is inserted and connected with a clamping plate 103, the lower end of the side of the clamping plate 103 far away from the center of the clamping bottom plate 101 is fixedly connected with a first spring 104, the end of the first spring 104 far away from the clamping plate 103 is fixedly connected with the side wall of the clamping groove 102, the lower side of the clamping plate 103 close to the center of the clamping bottom plate 101 is fixedly connected with a clamping pad 105, the side of the clamping plate 103 close to the center of the clamping bottom plate 101 is provided with a linkage groove 106, the middle part of the upper surface of the clamping bottom plate 101 is provided with a circuit board assembly 2, a main body pressing mechanism 3 is arranged above the clamping mechanism 1, and the main body pressing mechanism 3 comprises a first pressing block 301, the lower surface of the first pressing block 301 is fixedly provided with a first heating plate 302, the edge of the lower surface of the first heating plate 302 is fixedly connected with an air bag 303, a lower port of the air bag 303 is fixedly connected with a second heating plate 304, the middle part of the periphery of the outer side of the upper end of the first pressing block 301 is provided with a hole groove 305, air pipes 306 are uniformly arranged at the periphery of the outer side of the lower end of the first pressing block 301 at equal intervals, the outer side of the main body pressing mechanism 3 is provided with a side pressing mechanism 4, the side pressing mechanism 4 comprises a linkage column 401, the end, far away from the first pressing block 301, of the linkage column 401 is fixedly connected with a side heat pressing part, the side heat pressing part comprises a plurality of side cylinders 403 which are sequentially connected, the middle part of each side cylinder 403 is fixedly connected with a linkage rod 404 in the middle part, far away from the first pressing block 301, the linkage rod 404 is inserted into the linkage groove 106, and the linkage rod 404 can only slide in the linkage groove 106.
The clamping groove 102 is in a cross shape, and the cross center of the clamping groove 102 is opposite to the surface center of the clamping bottom plate 101; the clamping plates 103 are L-shaped, the lower ends of the clamping plates 103 are inserted into the clamping grooves 102 and are matched with the clamping grooves 102, the clamping plates 103 can only slide in the clamping grooves 102, the number of the clamping plates 103 is four, and the four clamping plates 103 are correspondingly inserted into four crossed edges of the clamping grooves 102 respectively; the first spring 104 is positioned inside the clamping groove 102 and is matched with the inside of the clamping groove 102; the clamping pad 105 has elasticity, and the lower side of the clamping pad 105 is in contact with the upper surface of the clamping base plate 101; the interlocking groove 106 is T-shaped, and the interlocking groove 106 penetrates the holding plate 103 from the upper and lower ends.
The center of the circuit board assembly 2 is opposite to the center of the clamping bottom plate 101, the side edge of the circuit board assembly 2 is correspondingly contacted with the clamping pad 105, and the clamping pad 105 clamps the circuit board assembly 2 in four directions.
The surface center of the first pressing block 301 is opposite to the surface center of the clamping bottom plate 101, the air bag 303 is tubular and elastic, and the second heating plate 304 is the same as and opposite to the first heating plate 302 in size.
The number of the linkage columns 401 is four, the four linkage columns 401 are respectively opposite to the hole grooves 305, the end, close to the first pressing block 301, of each linkage column 401 is correspondingly inserted into the hole grooves 305 and is matched with the hole grooves 305, one end, extending into the hole grooves 305, of each linkage column 401 is fixedly connected with a second spring 402, and the end, far away from the linkage columns 401, of each second spring 402 is fixedly connected with the hole grooves 305; the side hot pressing part is matched with the edge length of the first pressing block 301; the linkage rod 404 is T-shaped, and the linkage rod 404 is matched with the linkage groove 106.
An inner groove 405 is formed in the middle of the lower surface of the side tube 403, a second pressing block 406 is arranged below the side tube 403, the diameters of the second pressing block 406 and the side tube 403 are the same, a pressing column 407 is fixedly connected to the middle of the upper surface of the second pressing block 406, the upper end of the pressing column 407 is correspondingly inserted into the inner groove 405 and is matched with the inner groove 405, a third spring 408 is fixedly connected to the upper end of the pressing column 407, the upper end of the third spring 408 is fixedly connected to the upper inner wall of the inner groove 405, an air hole 409 penetrates through the lower end of the side tube 403 on the side far away from the first pressing block 301, and an air hole 410 penetrates through the upper end of the side tube 403 on the side close to the first pressing block 301; the lower end surface of the second pressing block 406 after being completely contracted is flush with the lower end surface of the main body pressing mechanism 3 after being completely contracted; the end of the air pipe 306 close to the first pressing block 301 penetrates through the first pressing block 301 and the first heating plate 302 and is communicated with the inside of the air bag 303, the end of the air pipe 306 far away from the first pressing block 301 is correspondingly inserted and fixedly connected with the second air hole 410, and the air pipe 306 is communicated with the inner groove 405.
A power mechanism 5 is arranged below the clamping mechanism 1, the power mechanism 5 comprises a base 501, a vertical plate 502 is fixedly connected to the left side of the rear end of the upper surface of the base 501, a pressure prevention block 503 is fixedly connected to the middle of the front end of the upper surface of the base 501, the pressure prevention block 503 has elasticity but small deformation capacity, the upper surface of the pressure prevention block 503 is fixedly connected with the clamping bottom plate 101, a pressure prevention plate 504 is fixedly connected to the upper end of the rear surface of the pressure prevention block 503 in an embedded mode, the rear end of the pressure prevention plate 504 extends into the right side of the vertical plate 502, a pressure prevention ring 505 is fixedly connected to the upper surface of the rear end of the pressure prevention plate 504, and the pressure prevention ring 505 is annular.
Upper end fixedly connected with motor 506 before the right surface of riser 502, the right-hand member output shaft fixedly connected with disc 507 of motor 506, the right surface upside fixedly connected with cylinder 508 of disc 507, the outside of cylinder 508 is provided with lantern ring 509, lantern ring 509 cup joints on cylinder 508, cylinder 508 is in the middle part of lantern ring 509, the rear end fixedly connected with loop bar 510 of lantern ring 509, the rear end surface of loop bar 510 runs through and has a pole axle 511 through bearing swing joint, the left end of pole axle 511 corresponds fixed connection riser 502, lantern ring 509 and loop bar 510 slope set up.
The upper end of the anti-pressure ring 505 is sleeved outside the disc 507, and initially, the inner side of the upper end of the anti-pressure ring 505 is not in contact with the disc 507.
The working principle is as follows:
the first step is as follows: through the design of fixture 1, grip block 103 and grip pad 105 have all been designed at the four sides of circuit board subassembly 2 to can stabilize circuit board subassembly 2 in the surperficial middle part of centre gripping bottom plate 101, and just right with main part pressing mechanism 3 and side pressing mechanism 4's center, thereby can avoid circuit board subassembly 2 to take place the skew when multilayer printed circuit board hot press unit carries out the pressfitting to the circuit board, thereby make the hot pressing of device more accurate.
The second step is that: the whole area of the main body pressing mechanism 3 is reduced, and the side pressing mechanism 4 is additionally arranged on the outer side of the main body pressing mechanism 3, so that in the process of pressing the circuit board assembly 2 by the main body pressing mechanism 3 and the side pressing mechanism 4, the pressure received by the pressing edge of the circuit board assembly 2 is more dispersed than the pressure received by the middle part, the pressing force received by the side of the circuit board assembly 2 can be well controlled when the edge of the circuit board assembly 2 is pressed, the problem that the side of the circuit board assembly 2 is stressed and broken is solved, and the pressing safety and success rate of the device are improved.
The third step: through the design of the main body pressing mechanism 3 and the side pressing mechanism 4, when the starting motor 506 drives the frame column 512 to move downwards, so that the main body pressing mechanism 3 presses downwards, the heating plate II 304 firstly contacts the circuit board assembly 2, the circuit board assembly 2 is preheated firstly after the heating plate II 304 contacts the circuit board assembly 2, meanwhile, the air bag 303 begins to shrink, so that the gas in the pressing plate II is pressed into the inner groove 405 through the air pipe 306, so that the pressing column 407 moves downwards, meanwhile, when the pressing column 407 moves downwards to the air hole I409, the gas in the pressing column 407 flows out quickly, at the moment, the pressing column 407 returns to the original position through the existence of the spring III 408, under the flowing of the gas, the pressing column 407 drives the pressing block II 406 to move repeatedly, so that the side cylinder 403 can also perform vibration pressing in the process of pressing the side of the circuit board assembly 2, the protection of the side of the circuit board assembly 2 is improved, and the pressing strength of the side of the circuit board assembly 2 is ensured.
The fourth step: the linkage rod 404 is inserted into the linkage groove 106 to be slidably connected, so that after the circuit board assembly 2 is placed on the upper side of the clamping base plate 101, the clamping plate 103 and the clamping pad 105 can be adjusted in position according to the specific size of the circuit board assembly 2, and meanwhile, the side barrel 403 can also be adjusted in position according to the movement of the clamping plate 103, so that the device can be adapted to various circuit boards, meanwhile, the side position of the circuit board assembly 2 can be automatically positioned according to the specification of the circuit board, and the application range and the automation degree of the device are improved.
The fifth step: through the design of anti-pressure piece 503, anti-pressure board 504 and anti-pressure ring 505, rotation through motor 506, thereby drive disc 507 and rotate, make cylinder 508 move down and drive cylinder 508 down, thereby drive frame post 512 to move down and drive main part pressing mechanism 3 and side pressing mechanism 4 and carry out the pressfitting to circuit board subassembly 2, when main part pressing mechanism 3 appears moving down too much problem, anti-pressure piece 503 can be extrudeed and move down this moment, thereby drive anti-pressure board 504 and anti-pressure ring 505 and move down, the side that can make anti-pressure ring 505 move down contradicts the outside of disc 507, thereby restrict the rotation of disc 507, stop continuing of main part pressing mechanism 3 and side pressing mechanism 4 to move down immediately, thereby make the device can overvoltage protection, the operation security of device has been improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a multilayer printed circuit board hot press unit, includes fixture (1), fixture (1) is including centre gripping bottom plate (101), centre gripping groove (102) have been seted up to the upper surface of centre gripping bottom plate (101), its characterized in that: a clamping plate (103) is inserted and connected into the clamping groove (102), a first spring (104) is fixedly connected to the lower end of the clamping plate (103) at the side far away from the center of the clamping base plate (101), a first spring (104) is fixedly connected to the side wall of the clamping groove (102) at the end far away from the clamping plate (103), a clamping pad (105) is fixedly connected to the lower side of the side close to the center of the clamping base plate (101) of the clamping plate (103), a linkage groove (106) is formed in the side close to the center of the clamping base plate (101) of the clamping plate (103), a circuit board assembly (2) is placed in the middle of the upper surface of the clamping base plate (101), a main body pressing mechanism (3) is arranged above the clamping mechanism (1), the main body pressing mechanism (3) comprises a first pressing block (301), a first heating plate (302) is fixedly installed on the lower surface of the first pressing block (301), an air bag (303) is fixedly connected to the lower surface edge of the first heating plate (302), a second heating plate (304) is fixedly connected to the lower port of the air bag (303), the pressing mechanism (301) is provided with a pressing mechanism (305) at the outer side of the pressing mechanism, the pressing mechanism (4) is uniformly arranged on the outer side of the pressing mechanism at the middle of the pressing mechanism (306), the lateral pressing mechanism (4) comprises a linkage column (401), a lateral heating pressure part is fixedly connected to one end, far away from the first pressing block (301), of the linkage column (401), the lateral heating pressure part comprises a plurality of lateral cylinders (403) which are sequentially connected in an arrayed mode, a linkage rod (404) is fixedly connected to the middle portion, far away from the first pressing block (301), of the lateral cylinder (403) in the middle portion, and the linkage rod (404) is inserted into the linkage groove (106).
2. The apparatus of claim 1, wherein: the clamping groove (102) is in a cross shape, and the cross center of the clamping groove (102) is opposite to the surface center of the clamping bottom plate (101);
the clamping plates (103) are L-shaped, the lower ends of the clamping plates (103) are inserted into the clamping grooves (102) and are matched with the clamping grooves (102), the number of the clamping plates (103) is four, and the four clamping plates (103) are respectively inserted into four crossed edges of the clamping grooves (102) correspondingly;
the first spring (104) is positioned inside the clamping groove (102) and is matched with the inside of the clamping groove (102);
the clamping pad (105) has elasticity, and the lower side of the clamping pad (105) is in contact with the upper surface of the clamping base plate (101);
the linkage groove (106) is T-shaped, and the linkage groove (106) penetrates through the clamping plate (103) from the upper end and the lower end.
3. The apparatus of claim 1, wherein: the center of circuit board subassembly (2) is just right with the center of centre gripping bottom plate (101), the side correspondence of circuit board subassembly (2) contacts with centre gripping pad (105), centre gripping pad (105) are from four directions centre gripping circuit board subassembly (2).
4. The apparatus of claim 1, wherein: the surface center of the first pressing block (301) is opposite to the surface center of the clamping bottom plate (101), the air bag (303) is tubular and has elasticity, and the second heating plate (304) and the first heating plate (302) are the same in size and opposite to each other.
5. The apparatus of claim 2, wherein: the number of the linkage columns (401) is four, the four linkage columns (401) are respectively opposite to the hole grooves (305), one end, close to the first pressing block (301), of each linkage column (401) is correspondingly inserted into the hole grooves (305) and is matched with the hole grooves (305), one end, extending into the hole grooves (305), of each linkage column (401) is fixedly connected with a second spring (402), and one end, far away from the linkage columns (401), of the second spring (402) is fixedly connected with the hole grooves (305);
the side hot pressing part is matched with the edge length of the first briquetting (301);
the linkage rod (404) is T-shaped, and the linkage rod (404) is matched with the linkage groove (106).
6. The apparatus of claim 4, wherein: an inner groove (405) is formed in the middle of the lower surface of the side barrel (403), a second pressing block (406) is arranged below the side barrel (403), the diameters of the second pressing block (406) and the side barrel (403) are the same, a pressing column (407) is fixedly connected to the middle of the upper surface of the second pressing block (406), the upper end of the pressing column (407) is correspondingly inserted into the inner groove (405) and is matched with the inner groove (405), a third spring (408) is fixedly connected to the upper end of the pressing column (407), the upper end of the third spring (408) is fixedly connected with the upper inner wall of the inner groove (405), a first air hole (409) penetrates through the lower end of the side barrel (403) far away from the first pressing block (301), and a second air hole (410) penetrates through the upper end of the side barrel (403) close to the first pressing block (301);
the end, close to the first pressing block (301), of the air pipe (306) penetrates through the first pressing block (301) and the first heating plate (302) and is communicated with the interior of the air bag (303), the end, far away from the first pressing block (301), of the air pipe (306) is correspondingly inserted into and fixedly connected with the second air hole (410), and the air pipe (306) is communicated with the inner groove (405).
7. The apparatus of claim 1, wherein: the utility model discloses a clamping mechanism for the automobile tire, including fixture (1), power unit (5) are provided with power unit (5), power unit (5) are including base (501), upper surface rear end left side fixedly connected with riser (502) of base (501), upper surface front end middle part fixedly connected with of base (501) prevents briquetting (503), the last fixed surface of preventing briquetting (503) connects centre gripping bottom plate (101), the rear surface upper end embedding fixedly connected with of preventing briquetting (503) prevents clamp plate (504), the right side of riser (502) is stretched into to the rear end of clamp plate (504), fixed surface prevents clamping ring (505) on the rear end of clamp plate (504), it appears cyclic annularly to prevent clamping ring (505).
8. The apparatus of claim 7, wherein: the improved structure of the automobile steering wheel is characterized in that a motor (506) is fixedly connected to the front upper end of the right surface of the vertical plate (502), a right end output shaft of the motor (506) is fixedly connected with a disc (507), a cylinder (508) is fixedly connected to the upper side of the right surface of the disc (507), a lantern ring (509) is arranged on the outer side of the cylinder (508), the lantern ring (509) is sleeved on the cylinder (508), the cylinder (508) is located in the middle of the lantern ring (509), a sleeve rod (510) is fixedly connected to the rear end of the lantern ring (509), the rear end surface of the sleeve rod (510) penetrates through and is movably connected with a rod shaft (511) through a bearing, the left end of the rod shaft (511) corresponds to the fixedly connected vertical plate (502), and the lantern ring (509) and the sleeve rod (510) are obliquely arranged.
9. The apparatus of claim 8, wherein: the place ahead of lantern ring (509) is provided with frame post (512), frame post (512) present the square frame shape, the middle part left and right sides fixedly connected with of frame post (512) draws post (513), the front end cover of lantern ring (509) is in the outside of drawing post (513) and rather than the adaptation, the front end downside fixedly connected with connecting rod (514) of frame post (512), connecting rod (514) present the L type, the upper surface middle part of the lower extreme fixed connection briquetting (301) of connecting rod (514).
10. The apparatus of claim 9, wherein: the upper end of the pressure-proof ring (505) is sleeved on the outer side of the disc (507), and the inner side of the upper end of the pressure-proof ring (505) is not in contact with the disc (507).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210766197.4A CN114845486B (en) | 2022-07-01 | 2022-07-01 | Multilayer printed circuit board hot press unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210766197.4A CN114845486B (en) | 2022-07-01 | 2022-07-01 | Multilayer printed circuit board hot press unit |
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| CN114845486A CN114845486A (en) | 2022-08-02 |
| CN114845486B true CN114845486B (en) | 2022-11-01 |
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| CN117261426B (en) * | 2023-08-31 | 2024-04-05 | 广东合通建业科技股份有限公司 | Multilayer printed wiring board printing drying device |
| CN117460185B (en) * | 2023-12-21 | 2024-03-01 | 惠州润众科技股份有限公司 | Multilayer PCB circuit board preparation equipment and method |
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| JP6987834B2 (en) * | 2019-12-27 | 2022-01-05 | 日機装株式会社 | Laminating device and manufacturing method of laminated body |
| CN113747686B (en) * | 2021-08-05 | 2023-03-24 | 广德瓯科达电子有限公司 | Lamination bonding device of multilayer circuit board substrate |
| CN114245622B (en) * | 2021-12-31 | 2023-07-25 | 惠州城市职业学院(惠州商贸旅游高级职业技术学校) | Online compression fittings of high strength multilayer circuit board |
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Denomination of invention: A multi-layer printed circuit board hot pressing device Effective date of registration: 20230907 Granted publication date: 20221101 Pledgee: Bank of China Limited by Share Ltd. Jiangmen branch Pledgor: KAIPING ELEC & ELTEK NO. 5 CO.,LTD. Registration number: Y2023980055755 |
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