CN116056369A

CN116056369A - Multilayer PCB board lamination equipment

Info

Publication number: CN116056369A
Application number: CN202211629446.1A
Authority: CN
Inventors: 李坤; 李豪; 曾超文; 张丽红
Original assignee: Fair Rays Electronic Technology (shenzhen) Ltd
Current assignee: Fair Rays Electronic Technology (shenzhen) Ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-02

Abstract

The invention discloses multilayer PCB board lamination equipment, which comprises a box body, wherein the outer wall of the top of the box body is fixedly connected with a hydraulic cylinder, one side of the outer wall of the box body is connected with a box door through a hinge, the output end of the hydraulic cylinder extends to the inside of the box body, the output end of the hydraulic cylinder is fixedly connected with a pressing plate, pressing seats distributed at equal distance are arranged below the pressing plate, and the bottom of the pressing seats is fixedly connected with a heating plate. According to the invention, the PCB body placed at the bottom of the pressing seat can be clamped and positioned, so that the pressing work of the follow-up PCB body can be ensured to be stably performed, the PCB bodies with different specifications can be clamped and positioned, the application range of the device is enlarged, meanwhile, the PCB body and the pressing plate can be always positioned at the same center point through the clamping assembly, and the situation that the PCB body is tilted due to uneven stress on four sides of the PCB body is avoided.

Description

Multilayer PCB board lamination equipment

Technical Field

The invention relates to the technical field of PCB (printed Circuit Board) lamination, in particular to a multilayer PCB lamination device.

Background

PCBs, called printed circuit boards, also known as printed circuit boards, printed wiring boards, are important electronic components. In modern technology, PCB boards are the most important electronic components in the electronic industry, as small as electronic watches, calculators, computers, communication electronic devices, and military weapon systems, and almost every electronic device, as long as there are electronic components such as integrated circuits, etc., all use printed circuit boards, that is, PCB boards, for achieving electrical interconnection.

In the prior art, the PCB board is generally formed by pressing the multi-layer boards together, during specific production, the multi-layer boards are fixed first, then a semi-cured resin sheet is placed between the boards of the multi-layer boards, under the action of a certain temperature and a certain pressure, the semi-cured resin begins to flow, the circuit and the substrate are filled, and when the temperature is reduced to a certain degree, the resin begins to cure, and the multi-layer boards are bonded together to form the PCB board.

At present, the speed of updating of electronic technology products is continuously accelerated, personalized demands are increasingly abundant, the development trend of batch small and variety many is presented in the production of PCB board lamination, most of lamination equipment is caused in the use process, clamping mechanisms of different models are required to be replaced according to the PCB boards of different models, the lamination efficiency of the PCB boards is reduced, meanwhile, the PCB boards of different models cannot be accurately positioned and placed, and certain warpage is easily caused in the lamination process of the PCB boards, so that the quality of the whole PCB board is influenced. Therefore, a multi-layer PCB board lamination apparatus is needed to solve the above-mentioned problems.

Disclosure of Invention

Aiming at the problems in the related art, the invention provides a multilayer PCB board pressing device, which aims to overcome the technical problems in the prior art.

The technical scheme of the invention is realized as follows:

the utility model provides a multilayer PCB board lamination equipment, includes the box, the top outer wall fixedly connected with pneumatic cylinder of box, one side outer wall of box has the chamber door through hinged joint, the output of pneumatic cylinder extends to the inside of box, the output fixedly connected with clamp plate of pneumatic cylinder, the below of clamp plate is provided with the pressure seat that the equidistance distributes, the bottom fixedly connected with hot plate of pressure seat, the inside of hot plate is provided with the heating pipe, the inside of pressure seat is provided with the PCB board body;

the PCB body comprises a core plate, wherein the outer walls of the top and the bottom of the core plate are covered with prepregs, copper foils are arranged on one side of the prepregs, and iron plates are arranged on the top and the bottom of the PCB body;

the inside of pressing the seat is provided with and is used for right the centre gripping subassembly that the PCB board body was fixed a position, the inside of box sets up and is used for driving the lifting subassembly that the seat reset is pressed.

Further, the clamping assembly comprises a mounting plate fixedly connected with the inner walls of two sides of the pressing seat, a sleeve is fixedly connected with the outer wall of one side of the mounting plate, a sliding rod is inserted into the sleeve, the output end of the sliding rod is fixedly connected with a first clamping block, a mounting groove is formed in the top of the first clamping block, a first spring is welded on the inner wall of the bottom of the mounting groove, the first spring is far away from one end fixedly connected with a second clamping block of the mounting groove, the first clamping block is L-shaped in cross section, an air pump is fixedly connected with the outer wall of one side of the pressing seat, an air suction pipe and an air charging pipe are respectively inserted into the outer walls of two sides of the air pump, an air distribution pipe is inserted into one end of the air charging pipe, two ends of the air distribution pipe are respectively communicated with two groups of the sleeve, a piston is fixedly connected with one end of the sliding rod, the outer wall of the circumference of the piston is contacted with the inner wall of the circumference of the sleeve, and the inner walls of two sides of the second clamping block are contacted with the outer walls of the PCB body.

Further, the bottom inner wall fixedly connected with spout of box, the inside sliding connection of spout has the slider, the top outer wall fixedly connected with enhancement frame of slider, the top fixedly connected with backup pad of enhancement frame, backup pad and another press seat fixed connection.

Further, a connecting block is fixedly connected to the inner wall of one side of the box door, and the connecting block and the supporting plate are located on the same horizontal plane.

Further, the top outer wall fixedly connected with traveller of backup pad, the number of traveller is four groups, four groups the circumference outer wall of traveller has cup jointed a slide, one side outer wall fixedly connected with down tube of slide, the down tube keep away from the one end of slide with press a fixed connection.

Further, the lifting subassembly includes fixed connection in the mount of backup pad top outer wall, one side fixedly connected with motor of mount, the output fixedly connected with screw thread lead screw of motor, screw thread lead screw's circumference outer wall meshing has a screw thread section of thick bamboo, one side outer wall fixedly connected with connecting plate of screw thread section of thick bamboo, the recess has been seted up to one side of connecting plate, the both sides inner wall of recess all rotates and is connected with the roof, the bottom outer wall fixedly connected with third spring of roof, the one end fixedly connected with of third spring keep away from the roof is in on the bottom outer wall of connecting plate, another one side fixedly connected with guide post of mount, the circumference outer wall of guide post has cup jointed the guide cylinder, the connecting plate with guide cylinder fixed connection.

Further, the top outer wall fixedly connected with fixed frame of backup pad, the constant head tank has been seted up to one side of fixed frame, one side outer wall fixedly connected with telescopic link of slide, the output of telescopic link is provided with the second spring, the output fixedly connected with locating piece of telescopic link, the locating piece with the constant head tank cooperatees.

Further, the cross section of the positioning block is semicircular, the positioning grooves are distributed on the inner wall of one side of the fixing frame at equal intervals, and the specification of the positioning grooves is gradually reduced from top to bottom.

Further, a disengaging groove is formed in the circumferential inner wall of the positioning groove, and the cross section of the disengaging groove is triangular.

Further, the top of pressing the seat has offered the locating hole, the quantity of locating hole is four groups, four groups the locating hole distribute in press four corners of seat, the bottom inner wall welding of locating hole has the fourth spring, the one end fixedly connected with jack-up post of fourth spring.

The invention has the beneficial effects that:

according to the multilayer PCB pressing equipment provided by the invention, through the clamping assembly, when a worker needs to press a plurality of groups of PCB bodies, the PCB bodies can be stacked at the bottom of the pressing seat in sequence and the air pump is started, air can be blown into the air distribution pipe through the air charging pipe, at the moment, the air flows through the air distribution pipe to flow into two groups of sleeves respectively, the flowing air flow can give the piston a thrust force and jack up the slide rod, the first clamping block can be driven to move along the diagonal line of the pressing seat when the slide rod jacks up, and the cross sections of the first clamping block and the second clamping block are L-shaped, so that the PCB bodies placed at the bottom of the pressing seat can be clamped and positioned, the pressing work of the subsequent PCB bodies can be stably performed, the PCB bodies with different specifications can be clamped and positioned, the application range of the device is enlarged, and meanwhile, the PCB bodies and the pressing plate can be positioned at the same center point through the clamping assembly, so that the situation that the PCB bodies are tilted due to uneven stress is avoided;

because the mounting groove has been seted up at the top of first grip block, the mounting groove is inside carries out fixed connection through first spring and second grip block simultaneously, consequently when the centre gripping subassembly carries out centre gripping location to the PCB board body, can guarantee to pile up the clamping force that the PCB board body together can both receive the centre gripping subassembly, and the clamp plate also can push down along with it at the in-process second grip block that pushes down, consequently can not cause the influence to the pressfitting work of PCB board body.

According to the multilayer PCB pressing equipment provided by the invention, the lifting assembly is arranged, the hydraulic cylinder is started after a worker fixes the PCB body in the pressing seat, the pressing plate can be driven to move downwards integrally through the hydraulic cylinder, downward pressure can be applied to the pressing seat in the downward moving process of the pressing plate, the sliding cylinder fixedly connected with the pressing seat can also be subjected to downward pressure when the pressing seat is subjected to the downward pressure, and the positioning block can be separated from the inside of the positioning groove when the downward pressure is overlarge because the separating groove is arranged below the positioning groove, at the moment, the sliding cylinder can drive the telescopic rod and the positioning block to descend together until a plurality of groups of pressing seats are contacted, at the moment, the bottom of the pressing seat can press the PCB body in the other pressing seat, and the pressing work of the PCB body in the plurality of groups of pressing seats can be guaranteed;

the motor starts when the multiunit pressure seat needs to reset after the pressfitting work of PCB board body is accomplished, can drive the screw thread lead screw through the motor and take place to rotate, can drive the screw thread section of thick bamboo that meshes on its outer wall at screw thread lead screw pivoted in-process and do vertical motion, can drive connecting plate and roof through the vertical motion of screw thread section of thick bamboo and reciprocate, can upwards jack-up multiunit pressure seat when connecting plate and roof move, because one side fixedly connected with telescopic link and locating piece of slide section of thick bamboo, therefore the in-process locating piece of jacking up at the pressure seat can the joint inside the constant head tank, simultaneously the specification of constant head tank reduces from top to bottom gradually, so the unable joint of the great locating piece of specification only can continue upwards sliding in the constant head tank inside of specification, until sliding to in its assorted constant head tank, realized the automatic reset work to the pressure seat, the pressfitting work of staff to follow-up PCB board body has been made things convenient for.

According to the multilayer PCB pressing equipment provided by the invention, through the jacking column, the fourth spring and the positioning hole, a certain buffering effect can be achieved through the action of the jacking column and the fourth spring in the process of pressing the PCB body, the influence on the subsequent pressing of the PCB body caused by certain deformation due to direct extrusion between the pressing seats is avoided, meanwhile, when the pressing plate releases the pressure on the pressing seats after the hot pressing of the PCB body is finished, the fourth spring immediately resets to spring the pressing seats at the top of the pressing seats, so that a certain gap can be formed between the two groups of pressing seats, the dissipation of heat in the pressing seats is accelerated, the equipment can perform cold pressing on the PCB body more quickly, the internal stress between the PCB bodies is eliminated, and the quality of the PCB body is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

Fig. 2 is a schematic view of the split structure inside the case of the present invention.

Fig. 3 is a schematic diagram of a distribution structure of a pressing seat according to the present invention.

Fig. 4 is a schematic diagram of a split structure of a PCB body according to the present invention.

Fig. 5 is a schematic diagram of a half cross-sectional structure of a pressing seat according to the present invention.

Fig. 6 is a partially disassembled structure of the clamping assembly of the present invention.

Fig. 7 is a schematic view of a fixing frame structure of the present invention.

Fig. 8 is an enlarged schematic view of the positioning groove and the disengaging groove of the present invention.

Figure 9 is a schematic view of a portion of the lift assembly of the present invention.

FIG. 10 is a schematic view of the top post and fourth spring distribution structure of the present invention.

In the figure:

1. a case; 2. a connecting block; 3. a door; 4. a slide cylinder; 5. a spool; 6. pressing a base; 7. a hydraulic cylinder; 8. a pressing plate; 9. an iron plate; 10. a support plate; 11. a chute; 12. a fixing frame; 13. a motor; 14. a threaded screw rod; 15. a thread cylinder; 16. an inflation tube; 17. an air pump; 18. a fixed frame; 19. a slide block; 20. a top plate; 21. a guide post; 22. a guide cylinder; 23. a connecting plate; 24. copper foil; 25. a prepreg; 26. a core plate; 27. a gas distribution pipe; 28. a mounting plate; 29. a sleeve; 30. a slide bar; 32. a first clamping block; 33. a second clamping block; 34. a mounting groove; 35. a heating plate; 36. heating pipes; 37. a first spring; 38. a piston; 39. a positioning groove; 40. a disengagement groove; 41. a second spring; 42. a positioning block; 43. a telescopic rod; 44. a third spring; 45. a top column; 46. a fourth spring; 47. and positioning holes.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.

Example 1

Referring to fig. 1-9, a multi-layer PCB board laminating device 1 includes a box 1, wherein a hydraulic cylinder 7 is fixedly connected to the top outer wall of the box 1, a box door 3 is connected to the outer wall of one side of the box 1 through a hinge, the output end of the hydraulic cylinder 7 extends to the inside of the box 1, a pressing plate 8 is fixedly connected to the output end of the hydraulic cylinder 7, pressing seats 6 distributed equidistantly are arranged below the pressing plate 8, a heating plate 35 is fixedly connected to the bottom of the pressing seats 6, a heating pipe 36 is arranged in the heating plate 35, and a PCB board body is arranged in the pressing seats 6;

the PCB body comprises a core plate 26, the top and bottom outer walls of the core plate 26 are both covered with prepregs 25, one side of each prepreg 25 is provided with copper foils 24, the top and bottom of the PCB body are both provided with iron plates 9, the PCB body can be ensured not to have plate warpage in the pressing process through the iron plates 9, and meanwhile, the heat can be uniformly transferred in the hot pressing process;

the inside of pressing seat 6 is provided with the clamping assembly who is used for carrying out the location to the PCB board body, and the inside of box 1 sets up the lifting subassembly that is used for driving pressing seat 6 to reset.

The clamping assembly comprises a mounting plate 28 fixedly connected with the inner walls of the two sides of the pressing seat 6, a sleeve 29 is fixedly connected with the outer wall of one side of the mounting plate 28, a sliding rod 30 is inserted in the sleeve 29, the output end of the sliding rod 30 is fixedly connected with a first clamping block 32, the top of the first clamping block 32 is provided with a mounting groove 34, the inner wall of the bottom of the mounting groove 34 is welded with a first spring 37, one end of the first spring 37, which is far away from the mounting groove 34, is fixedly connected with a second clamping block 33, the cross sections of the first clamping block 32 and the second clamping block 33 are L-shaped, the outer wall of one side of the pressing seat 6 is fixedly connected with an air pump 17, the outer walls of the two sides of the air pump 17 are respectively inserted with an air suction pipe and an air charging pipe 16, one end, which is far away from the air pump 17, of the air charging pipe 16 is inserted with an air distribution pipe 27, the two ends of the air distribution pipe 27 are respectively communicated with the two groups of the sleeve 29, one end of the sliding rod 30 is fixedly connected with a piston 38, the circumferential outer wall of the piston 38 is contacted with the circumferential inner wall of the sleeve 29, when working personnel need to press a plurality of groups of PCB bodies, the two side inner walls of the first clamping block 32 and the second clamping block 33 can be sequentially stacked at the bottom of the pressing seat 6 and the air pump 17 is started, air can be blown into the air distribution pipe 27 through the air charging pipe 16, at the moment, the air flows through the air distribution pipe 27 and respectively flow into the two groups of sleeves 29, the flowing air can give the piston 38 a thrust and jack up the slide bar 30, the first clamping block 32 can be driven to move along the diagonal line of the pressing seat 6 when the slide bar 30 jacks up, the cross sections of the first clamping block 32 and the second clamping block 33 are L-shaped, so that the PCB bodies placed at the bottom of the pressing seat 6 can be clamped and positioned, the pressing work of the subsequent PCB bodies can be ensured to be stably pressed, can also carry out centre gripping location to the PCB board body of different specifications, the application scope of device has been enlarged, can make the PCB board body all the time be located same central point with clamp plate 8 through clamping assembly simultaneously, avoid the four sides atress size of PCB board body inhomogeneous lead to appearing the condition that the board sticks up, because mounting groove 34 has been seted up at the top of first grip block 32, the mounting groove 34 is inside carries out fixed connection through first spring 37 and second grip block 33 simultaneously, therefore when clamping assembly carries out centre gripping location to the PCB board body, can guarantee that the clamping assembly's clamping force can all be received to the PCB board body that stacks together, and clamp plate 8 also can push down along with it at the in-process second grip block 33 of pushing down, consequently can not cause the influence to the pressfitting work of PCB board body.

The bottom inner wall fixedly connected with spout 11 of box 1, the inside sliding connection of spout 11 has slider 19, and the top outer wall fixedly connected with enhancement frame of slider 19, the top fixedly connected with backup pad 10 of enhancement frame, backup pad 10 and another seat 6 fixedly connected with that presses, the one side inner wall fixedly connected with connecting block 2 of chamber door 3, connecting block 2 and backup pad 10 are located same horizontal plane.

The top outer wall of the supporting plate 10 is fixedly connected with the sliding columns 5, the number of the sliding columns 5 is four, the circumference outer walls of the four groups of sliding columns 5 are sleeved with the sliding cylinders 4, one side outer wall of the sliding cylinder 4 is fixedly connected with the inclined rod, one end of the inclined rod, which is far away from the sliding cylinder 4, is fixedly connected with the pressing seat 6, the lifting assembly comprises a fixed frame 12 fixedly connected with the top outer wall of the supporting plate 10, one side of the fixed frame 12 is fixedly connected with a motor 13, the output end of the motor 13 is fixedly connected with a threaded screw 14, the circumference outer wall of the threaded screw 14 is meshed with a threaded cylinder 15, one side outer wall of the threaded cylinder 15 is fixedly connected with a connecting plate 23, one side of the connecting plate 23 is provided with a groove, the inner walls on two sides of the groove are respectively and rotatably connected with a top plate 20, the bottom outer wall of the top plate 20 is fixedly connected with a third spring 44, one end of the third spring 44, which is far away from the top plate 20, is fixedly connected with the bottom outer wall of the connecting plate 23, the guide column 21 is fixedly connected to one side of the other fixing frame 12, the guide cylinder 22 is sleeved on the circumferential outer wall of the guide column 21, the connecting plate 23 is fixedly connected with the guide cylinder 22, the top outer wall of the supporting plate 10 is fixedly connected with the fixing frame 18, a positioning groove 39 is formed in one side of the fixing frame 18, a telescopic rod 43 is fixedly connected to one side outer wall of the sliding cylinder 4, a second spring 41 is arranged at the output end of the telescopic rod 43, a positioning block 42 is fixedly connected to the output end of the telescopic rod 43, the positioning block 42 is matched with the positioning groove 39, the cross section of the positioning block 42 is semicircular, the positioning groove 39 is distributed at an equal distance on one side inner wall of the fixing frame 18, the specification of the positioning groove 39 is gradually reduced from top to bottom, a separation groove 40 is formed in the circumferential inner wall of the positioning groove 39, the cross section of the separation groove 40 is triangular, the working personnel fixes the PCB body inside the pressing seat 6 and then starts the hydraulic cylinder 7, the pressure plate 8 can be driven to move downwards integrally through the hydraulic cylinder 7, downward pressure can be applied to the pressure seat 6 in the downward movement process of the pressure plate 8, when the pressure seat 6 is subjected to the downward pressure, the sliding cylinder 4 fixedly connected with the pressure seat 6 is also subjected to the downward pressure, due to the fact that the separating groove 40 is arranged below the positioning groove 39, when the downward pressure is overlarge, the positioning block 42 can be separated from the inside of the positioning groove 39, at the moment, the sliding cylinder 4 can drive the telescopic rod 43 and the positioning block 42 to descend together until the plurality of groups of pressure seats 6 are contacted, at the moment, the bottom of the pressure seat 6 can apply pressure to the PCB body in the other pressure seat 6, the press-fit work of the PCB body in the plurality of groups of pressure seats 6 can be guaranteed, the motor 13 is started when the plurality of groups of pressure seats 6 need to be reset after the press-fit work of the PCB body is completed, the threaded screw 14 can be driven to rotate through the motor 13, the screw rod 14 can drive the screw barrel 15 meshed on the outer wall of the screw rod 14 to vertically move in the process of rotating, the connecting plate 23 and the top plate 20 can be driven to move upwards through the vertical movement of the screw barrel 15, when the connecting plate 23 and the top plate 20 move upwards, a plurality of groups of pressing seats 6 can be lifted upwards, as one side of the sliding barrel 4 is fixedly connected with the telescopic rod 43 and the positioning block 42, the positioning block 42 can be clamped in the positioning groove 39 in the process of lifting the pressing seats 6 upwards, and meanwhile, the specification of the positioning groove 39 is gradually reduced from top to bottom, so that the positioning block 42 with larger specification cannot be clamped in the positioning groove 39 with smaller specification only can continuously slide upwards until the positioning block 39 matched with the positioning block is slid, the automatic resetting work of the pressing seats 6 is realized, and the pressing work of workers on the follow-up PCB body is facilitated.

Example 2

Referring to fig. 10, compared with embodiment 1, the present embodiment further includes that the top of the pressing seat 6 is provided with four sets of positioning holes 47, the four sets of positioning holes 47 are distributed at four corners of the pressing seat 6, the bottom inner wall of the positioning hole 47 is welded with a fourth spring 46, one end of the fourth spring 46 is fixedly connected with a jack post 45, a certain buffering effect can be achieved through the actions of the jack post 45 and the fourth spring 46 in the pressing process of the PCB body, the influence on the pressing of the PCB body caused by the subsequent deformation due to the direct extrusion between the pressing seat 6 and the pressing seat 6 is avoided, meanwhile, when the pressing plate 8 releases the pressure on the pressing seat 6 after the hot pressing of the PCB body is completed, the fourth spring 46 immediately resets to spring the pressing seat 6 at the top of the pressing seat 6, so that a certain gap can be generated between the two sets of pressing seats 6, the dissipation of heat inside the pressing seat 6 is quickened, the device can work the PCB body in a quick manner, the internal stress between the PCB body is eliminated, and the quality of the PCB body is improved.

In summary, by means of the above technical solution of the present invention, when a worker needs to press multiple sets of PCB boards, the worker can stack the multiple sets of PCB boards at the bottom of the press seat 6 in sequence and start the air pump 17, air can be blown into the air-distributing pipe 27 through the air-charging pipe 16, at this time, the air flows through the air-distributing pipe 27 to flow into the two sets of sleeves 29 respectively, the flowing air flow can give the piston 38 a thrust and jack up the slide bar 30, the slide bar 30 jack up can drive the first clamping block 32 to move along the diagonal line of the press seat 6, and the cross sections of the first clamping block 32 and the second clamping block 33 are all L-shaped, so that the PCB boards placed at the bottom of the press seat 6 can be clamped and positioned, the pressing work of the subsequent PCB boards can be stably performed, the PCB boards of different specifications can also be clamped and positioned, the application range of the device is enlarged, simultaneously, the PCB body and the pressing plate 8 can be always positioned at the same center point through the clamping assembly, the situation that the plate warpage is caused by uneven stress on four sides of the PCB body is avoided, because the mounting groove 34 is formed in the top of the first clamping block 32, and the inside of the mounting groove 34 is fixedly connected with the second clamping block 33 through the first spring 37, when the clamping assembly clamps and positions the PCB body, the stacked PCB bodies can be ensured to receive the clamping force of the clamping assembly, the pressing plate 8 can also be pressed down together with the second clamping block 33 in the pressing process, so that the pressing work of the PCB body is not influenced, the hydraulic cylinder 7 is started after the PCB body is fixed in the pressing seat 6 by staff, the pressing plate 8 can be driven to move down integrally through the hydraulic cylinder 7, the pressing seat 6 can be applied with downward pressure in the downward moving process of the pressing plate 8, when the pressing seat 6 receives downward pressure, the sliding cylinder 4 fixedly connected with the pressing seat 6 also receives the downward pressure, because the separating groove 40 is arranged below the positioning groove 39, when the downward pressure is overlarge, the positioning block 42 can separate from the inside of the positioning groove 39, at the moment, the sliding cylinder 4 can drive the telescopic rod 43 to descend together with the positioning block 42 until a plurality of groups of pressing seats 6 are contacted, at the moment, the bottom of the pressing seat 6 can press the PCB body in the other pressing seat 6, the pressing work of the PCB body in the plurality of groups of pressing seats 6 can be completed, the motor 13 is started when the plurality of groups of pressing seats 6 need to be reset after the pressing work of the PCB body is completed, the threaded screw 14 can be driven to rotate through the motor 13, the threaded cylinder 15 meshed on the outer wall of the threaded screw 14 can be driven to vertically move in the rotating process of the threaded screw 14, the connecting plate 23 and the top plate 20 can be driven to move upwards through the vertical movement of the threaded cylinder 15, when the connecting plate 23 and the top plate 20 move upwards, a plurality of groups of pressing seats 6 can be jacked upwards, as one side of the sliding cylinder 4 is fixedly connected with the telescopic rod 43 and the positioning block 42, the positioning block 42 can be clamped in the positioning groove 39 in the process of jacking the pressing seats 6 upwards, meanwhile, the specification of the positioning groove 39 is gradually reduced from top to bottom, so that the positioning block 42 with larger specification can not be clamped in the positioning groove 39 with smaller specification only continuously slides upwards until sliding into the positioning groove 39 matched with the positioning groove, the automatic resetting work of the pressing seats 6 is realized, the pressing work of workers on the subsequent PCB body is facilitated, a certain buffering effect can be achieved through the actions of the jacking column 45 and the fourth spring 46 in the process of pressing the PCB body, avoid pressing seat 6 and pressing seat 6 between direct extrusion cause certain deformation lead to follow-up pressfitting to the PCB board body to cause the influence, simultaneously when the hot pressing work of PCB board body is accomplished back clamp plate 8 release to pressing seat 6's pressure time fourth spring 46 can reset immediately with the pressing seat 6 spring up at its top to can make and produce certain clearance between two sets of pressing seats 6, the inside thermal dissipation of pressing seat 6 has been accelerated, make equipment can be faster carry out cold pressing work to the PCB board body, in order to eliminate the internal stress between the PCB board body, improve the quality of PCB board body.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims

1. Multilayer PCB board lamination equipment, including box (1), characterized in that, box (1)

The top outer wall of the box body (1) is fixedly connected with a hydraulic cylinder (7), one side outer wall of the box body (1) is connected with a box door (3) through a hinge, the output end of the hydraulic cylinder (7) extends to the inside of the box body (1),

the output end of the hydraulic cylinder (7) is fixedly connected with a pressing plate (8), pressing seats (6) distributed at equal distance are arranged below the pressing plate (8), the bottom of the pressing seats (6) is fixedly connected with a heating plate (35),

a heating pipe (36) is arranged in the heating plate (35), and a PCB body is arranged in the pressing seat (6);

the PCB body comprises a core plate (26), wherein the top and bottom outer walls of the core plate (26) are covered with prepregs (25), copper foils (24) are arranged on one side of the prepregs (25), and iron plates (9) are arranged on the top and bottom of the PCB body;

the inside of pressing seat (6) is provided with and is used for right the centre gripping subassembly that the PCB board body was fixed a position, the inside of box (1) sets up and is used for driving the lifting subassembly that pressing seat (6) reset.

2. The multi-layer PCB board pressing device according to claim 1, wherein the clamping assembly comprises a mounting plate (28) fixedly connected to the inner walls of the two sides of the pressing seat (6), a sleeve (29) is fixedly connected to the outer wall of one side of the mounting plate (28), a sliding rod (30) is inserted into the sleeve (29), the output end of the sliding rod (30) is fixedly connected with a first clamping block (32),

the top of the first clamping block (32) is provided with a mounting groove (34), the inner wall of the bottom of the mounting groove (34) is welded with a first spring (37), one end of the first spring (37) away from the mounting groove (34) is fixedly connected with a second clamping block (33), the cross sections of the first clamping block (32) and the second clamping block (33) are L-shaped, the outer wall of one side of the pressing seat (6) is fixedly connected with an air pump (17), the outer walls of two sides of the air pump (17) are respectively inserted with an air suction pipe and an air charging pipe (16),

one end of the air pump (17) is far away from to the air charging pipe (16) and is inserted with an air distribution pipe (27), two ends of the air distribution pipe (27) are respectively communicated with two groups of sleeves (29), one end of the sliding rod (30) is fixedly connected with a piston (38), the circumferential outer wall of the piston (38) is in contact with the circumferential inner wall of the sleeve (29) 5, and the two side inner walls of the first clamping block (32) and the second clamping block (33) are in contact with the two side outer walls of the PCB body.

3. The multi-layer PCB board pressing device according to claim 1, wherein a chute (11) is fixedly connected to the inner wall of the bottom of the box body (1), a sliding block (19) is slidably connected to the inside of the chute (11), a reinforcing frame is fixedly connected to the outer wall of the top of the sliding block (19), a supporting plate (10) is fixedly connected to the top of the reinforcing frame, and the supporting plate (10) is fixedly connected to the other pressing seat (6).

4. A multi-layer PCB board pressing apparatus according to claim 3, wherein a connecting block (2) is fixedly connected to an inner wall of one side of the box door (3), and the connecting block (2) and the supporting plate (10) are located on the same horizontal plane.

5. The multi-layer PCB board pressing device according to claim 4, wherein the top outer wall of the supporting board (10) is fixedly connected with sliding columns (5), the number of the sliding columns (5) is four, four groups of circumference outer walls of the sliding columns (5) are sleeved with sliding drums (4), one side outer wall of each sliding drum (4) is fixedly connected with a diagonal rod, and one end of each diagonal rod, which is far away from each sliding drum (4), is fixedly connected with the pressing seat (6).

6. The multi-layer PCB board pressing device according to claim 5, wherein the lifting assembly comprises a fixing frame (12) fixedly connected with the outer wall of the top of the supporting plate (10), one side of the fixing frame (12) is fixedly connected with a motor (13), the output end of the motor (13) is fixedly connected with a threaded screw rod (14), the circumferential outer wall of the threaded screw rod (14) is meshed with a threaded cylinder (15), one side outer wall of the threaded cylinder (15) is fixedly connected with a connecting plate (23), one side of the connecting plate (23) is provided with a groove, two side inner walls of the groove are all rotationally connected with a top plate (20), the outer wall of the bottom of the top plate (20) is fixedly connected with a third spring (44), one end, far away from the top plate (20), of the third spring (44) is fixedly connected with a guide post (21), the circumferential outer wall of the guide post (21) is sleeved with a guide cylinder (22), and the connecting plate (23) is fixedly connected with the guide cylinder (22).

7. The multi-layer PCB board pressing device according to claim 6, wherein the top outer wall of the supporting board (10) is fixedly connected with a fixing frame (18), one side of the fixing frame (18) is provided with a positioning groove (39), one side outer wall of the sliding barrel (4) is fixedly connected with a telescopic rod (43), the output end of the telescopic rod (43) is provided with a second spring (41), the output end of the telescopic rod (43) is fixedly connected with a positioning block (42), and the positioning block (42) is matched with the positioning groove (39).

8. The multi-layer PCB board pressing apparatus of claim 7, wherein the cross section of the positioning block (42) is a semicircle, the positioning grooves (39) are equidistantly distributed on an inner wall of one side of the fixing frame (18), and the specification of the positioning grooves (39) is gradually reduced from top to bottom.

9. The multi-layer PCB board laminating apparatus according to claim 8, wherein the circumferential inner wall of the positioning groove (39) is provided with a disengaging groove (40), and the cross section of the disengaging groove (40) is triangular.

10. The multi-layer PCB board pressing apparatus of claim 1, wherein positioning holes (47) are formed in the top of the pressing base (6), the number of the positioning holes (47) is four, the four positioning holes (47) are distributed at four corners of the pressing base (6), a fourth spring (46) is welded on the inner wall of the bottom of the positioning hole (47), and one end of the fourth spring (46) is fixedly connected with a top column (45).