CN221329234U - Double-opening vacuum lamination all-in-one machine - Google Patents

Abstract

The utility model belongs to the field of flexible circuit board processing equipment, and discloses a double-opening vacuum lamination integrated machine. The double-opening vacuum lamination all-in-one machine comprises a frame, two automatic material collecting and discharging mechanisms which are placed at the front end of the frame side by side, and two vacuum lamination machines at the rear end of the frame, wherein the two automatic material collecting and discharging mechanisms share a left-right translation suction plate feeding mechanism and a left-right translation material collecting bin, and the feeding and the baffle discharging of two working areas are realized through a feeding disc mechanism and a baffle feeding mechanism. The device has the advantages of simpler and more optimized overall structure, more reasonable arrangement, more space saving and convenient use and maintenance; meanwhile, through setting up baffle feed mechanism, snatch the baffle and place between two upper and lower FPC boards that the pressfitting material was received by suction plate feed mechanism, can effectively avoid taking place friction damage between the FPC board after the pressfitting to guarantee to receive material quality, satisfy high-quality pressfitting technology demand.

Description

Double-opening vacuum lamination all-in-one machine

Technical Field

The utility model belongs to the field of flexible circuit board processing equipment, and particularly relates to a double-opening vacuum lamination integrated machine.

Background

The flexible circuit board adopts the material loading form from type membrane + FPC + from type membrane when the pressfitting, and the purpose of pressfitting technology is under the protection effect of upper and lower floor from type membrane, presses the upper and lower floor's tectorial membrane of FPC board and FPC board body as an organic whole (the upper and lower floor of FPC board body has the tectorial membrane of laminating, is different with upper and lower floor's membranous paper). The FPC board after the lamination process has certain viscosity, an upper layer of release film paper and a lower layer of release film paper are separated from the FPC board, and the FPC board is subjected to material collection.

The prior application patent CN115520687A discloses an intelligent material collecting and discharging mechanism based on a single-opening quick press, as shown in fig. 1, an automatic material collecting and discharging mechanism 1-2 is additionally arranged beside an existing vacuum press 1-1, and the automatic material collecting and discharging mechanism replaces manual product taking and discharging operation, so that the probability of manually damaging products can be reduced, the press quality is improved, and the labor intensity is reduced.

However, the technical solution of this patent has the following drawbacks: the combined equipment has large volume and overlarge occupied space; the combined equipment is complex and inconvenient to maintain; the production efficiency is limited to be further improved; the problem of easy abrasion between the upper FPC board and the lower FPC board after material collection cannot be solved, and the requirement of a high-quality pressing process cannot be met.

Disclosure of utility model

The utility model aims to solve at least one technical problem in the background technology, and provides a double-opening vacuum lamination all-in-one machine, which integrates two single-opening vacuum lamination automatic feeding all-in-one machines into a double-opening all-in-one machine, and the two single-opening vacuum lamination automatic feeding all-in-one machines share a suction plate feeding mechanism and a receiving bin, so that the integrated device has a simpler and more optimized integral structure, is more reasonable in arrangement, saves more field space and is convenient to use and maintain; meanwhile, through setting up baffle feed mechanism, snatch the baffle and place between two upper and lower FPC boards that the pressfitting material was received by suction plate feed mechanism, can effectively avoid taking place friction damage between the FPC board after the pressfitting to guarantee to receive material quality, satisfy high-quality pressfitting technology demand.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

The double-opening vacuum lamination integrated machine comprises a frame, wherein the frame comprises a front-end material collecting and discharging frame and a rear-end lamination frame; the front end material collecting and discharging frame is provided with a first automatic material collecting and discharging mechanism and a second automatic material collecting and discharging mechanism in parallel, and the rear end pressing frame is provided with a first vacuum pressing machine and a second vacuum pressing machine in parallel; the first vacuum pressing machine and the first automatic material collecting and discharging mechanism are working first areas, and the second vacuum pressing machine and the second automatic material collecting and discharging mechanism are working second areas;

The first automatic winding and unwinding mechanism comprises a first unreeling mechanism, a first reeling mechanism, a first follow-up paper stripping mechanism, a baffle feeding mechanism and a first material taking mechanism; the second automatic winding and unwinding mechanism comprises a second unreeling mechanism, a second reeling mechanism, a second follow-up paper stripping mechanism, a feeding disc mechanism and a second material taking mechanism; in addition, the automatic feeding device also comprises a shared suction plate feeding mechanism and a receiving bin, wherein the suction plate feeding mechanism and the receiving bin can move left and right in two working areas to switch working positions;

the partition plate feeding mechanism of the first area and the feeding disc mechanism of the second area are arranged on the front end collecting and discharging rack side by side; the material receiving bin is arranged above the partition plate feeding mechanism and the feeding disc mechanism in a left-right movable manner; a first material taking mechanism and a second material taking mechanism are symmetrically arranged on the left side and the right side of the front-end material collecting and discharging rack above the material collecting bin; a suction plate feeding mechanism is arranged above the first material taking mechanism and the second material taking mechanism in a left-right movable manner, a first follow-up paper stripping mechanism and a second follow-up paper stripping mechanism are arranged at the rear end of the suction plate feeding mechanism, and the first follow-up paper stripping mechanism and the second follow-up paper stripping mechanism are respectively close to the first vacuum press fit machine and the second vacuum press fit machine; the first unreeling mechanism, the first reeling mechanism, the second unreeling mechanism and the second reeling mechanism are evenly arranged at the upper end and the lower end of the front-end unreeling rack.

Further, the unreeling mechanism and the reeling mechanism of the first area and the second area are the same in structure;

The unreeling mechanism comprises a unreeling module and an upper comb tooth mechanism, and the upper comb tooth mechanism is arranged opposite to the unreeling film paper; the winding mechanism comprises a material receiving module and a lower comb tooth mechanism, and the lower comb tooth mechanism is arranged opposite to the material receiving module; the film paper extends from the discharging module to sequentially pass through the upper comb tooth mechanism, the follow-up paper stripping mechanism and the lower comb tooth mechanism to reach the receiving module, so as to realize the receiving and discharging of the film paper;

The upper comb tooth mechanism and the lower comb tooth mechanism comprise a fixed grid, a movable grid, a bracket and a power mechanism; the fixed grid and the power mechanism are fixedly connected with the bracket; the power mechanism adopts a stepping motor which is fixedly arranged at the middle end side of the bracket and is in driving connection with the movable grid through a ball screw; the movable grids and the fixed grids are distributed alternately, the movable grids are driven by the power mechanism to move so as to realize staggered arrangement of multiple shafts, and the collection of the surplus paper is realized through crossed multiple shafts.

Further, the follow-up paper stripping mechanisms of the first area and the second area are identical in structure; the follow-up paper stripping mechanism comprises a follow-up mounting frame, an upper stripping mechanism, a lower stripping mechanism, a power module and a follow-up sliding rail;

the follow-up sliding rail is vertically arranged at the left side and the right side of the follow-up mounting frame, and the upper stripping mechanism and the lower stripping mechanism are sequentially arranged on the follow-up sliding rail;

The power module comprises a first stepping motor and two first driving cylinders; the first stepping motor is fixedly arranged on one side of the upper end of the follow-up mounting frame and is in driving connection with the lower stripping mechanism through ball screws positioned on two sides of the follow-up mounting frame; the two first driving cylinders are fixedly arranged on the left side and the right side of the upper end of the follow-up mounting frame respectively and used for driving and connecting the left end and the right end of the upper stripping mechanism.

Further, the suction plate feeding mechanism shared by the first area and the second area comprises a suction plate mechanism and a triaxial feeding mechanism;

The triaxial feeding mechanism comprises a front-back moving module moving along a Y-direction sliding rail, a left-right moving module moving along an X-direction sliding rail and an up-down lifting module moving along a Z-direction sliding rail; the back-and-forth movement module is in driving connection with the left-and-right movement module, the left-and-right movement module is in driving connection with the up-and-down lifting module, and the up-and-down lifting module is in driving connection with the suction plate mechanism, so that the suction plate mechanism moves along X, Y, Z three axial directions.

Furthermore, the front-back moving module and the left-right moving module of the triaxial feeding mechanism drive the synchronous belt to drive through the servo motor and the speed reducer, and the up-down lifting module drives the ball screw to drive through the servo motor.

Further, the material receiving bin is driven by a stepping motor and a transmission belt and is connected to the front-end material receiving and discharging rack in a sliding manner, so as to realize left-right translation between two working areas;

the structure of the partition plate feeding mechanism in the first area is the same as that of the feeding disc mechanism in the second area, and the partition plate feeding mechanism in the first area and the feeding disc mechanism in the second area respectively comprise a feeding platform, and the feeding platforms are arranged below the material receiving bin;

The first material taking mechanism in the first area and the second material taking mechanism in the second area are identical in structure and are symmetrically arranged above the material receiving bin.

Further, the feeding disc mechanism comprises an FPC board feeding platform, and the FPC board feeding platform is lifted up and down through a second driving cylinder and a guide mechanism so as to feed to the suction plate feeding mechanism;

similarly, the baffle feeding mechanism comprises a baffle feeding platform, and the baffle feeding platform is lifted up and down through a second driving cylinder and a guiding mechanism so as to supply the baffle to the suction plate feeding mechanism.

Further, the first material taking mechanism and the second material taking mechanism have the same structure and comprise a movable material taking bracket, a horizontal connecting plate and two separation clamping jaw assemblies which are fixed on the horizontal connecting plate at intervals;

The bottom end of the movable material taking support is fixed on the front-end material collecting and discharging rack, the upper end of the movable material taking support is provided with a material taking driving belt, the material taking driving belt is in driving connection with a second stepping motor and is fixedly connected with one end of the horizontal connecting plate, the material taking driving belt is driven by the second stepping motor to drive the horizontal connecting plate to move back and forth, and therefore the separation clamping jaw assembly on the horizontal connecting plate moves back and forth to take and discharge materials.

Still further, the split jaw assembly includes an upper jaw and a lower jaw;

The bottom of the upper clamping jaw is in driving connection with two clamping jaw driving cylinders which are fixedly arranged on two sides of the lower clamping jaw and used for driving the upper clamping jaw to lift up and down;

A turnover cylinder is arranged on one side of the horizontal connecting plate, and the turnover cylinder drives a left lower clamping jaw and a right lower clamping jaw to turn up and down through a coupler and a turnover shaft;

and a photoelectric switch is arranged on the horizontal connecting plate and used for detecting whether the product reaches a material taking position.

Further, the first vacuum pressing machine and the second vacuum pressing machine have the same structure and comprise frames, and an upper pressing template, a lower pressing template and a driving mechanism are arranged in the frames; the top of the frame is fixedly provided with the upper pressing template, the bottom of the frame is fixedly provided with the driving mechanism, the upper end of the driving mechanism is in driving connection with the lower pressing template, and the lower pressing template and the upper pressing template are oppositely arranged in parallel;

the upper pressing template of the vacuum pressing machine comprises an upper heat insulation plate, an upper heating plate and an upper air bag plate assembly which are sequentially connected from top to bottom, and the upper air bag plate assembly is externally connected with an inflation device;

the lower pressing template of the vacuum pressing machine comprises a lower vacuum plate assembly, a lower heating plate and a lower heat insulation plate which are sequentially connected from top to bottom, and the lower vacuum plate assembly is externally connected with a vacuumizing device.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the double-opening vacuum lamination automatic feeding all-in-one machine, the two single-opening vacuum lamination automatic feeding all-in-one machines are integrated into the double-opening all-in-one machine, and the two single-opening vacuum lamination automatic feeding all-in-one machines share the suction plate feeding mechanism and the receiving bin, so that the integrated device has a more optimized and simple overall structure, is more reasonable in arrangement, saves more space and is convenient to use and maintain; meanwhile, by arranging the baffle feeding mechanism, the baffle is grabbed by the suction plate feeding mechanism and is placed between the upper FPC board and the lower FPC board after pressing and receiving, friction damage between the pressed FPC boards can be effectively avoided, the receiving quality is ensured, and the high-quality pressing process requirement is met;

(2) According to the double-opening vacuum lamination automatic feeding all-in-one machine provided by the utility model, the original lamination template advancing and retreating functions are canceled by the two vacuum lamination machines, only the lifting function is reserved, the structure of the vacuum lamination machine is optimized (a transmission mechanism, an advancing and retreating guide rail and the like are omitted), the equipment operation time occupied by advancing and retreating material taking and discharging of the lamination template is reduced, the lamination process is quicker and more efficient, and the working efficiency is improved;

(3) According to the double-opening vacuum lamination automatic feeding all-in-one machine provided by the utility model, the two automatic material collecting and discharging mechanisms share the suction plate feeding mechanism capable of horizontally moving left and right and the material collecting bin capable of horizontally moving left and right, and the feeding and the baffle discharging of the two working areas are realized through the feeding disc mechanism and the baffle feeding mechanism, so that the two vacuum lamination machines cooperatively work, the waiting time of part operation is reduced, and the equipment utilization rate and the work production efficiency can be remarkably improved.

Drawings

FIG. 1 is a schematic illustration of a prior art intelligent take-up and pay-off mechanism based on a single-opening fast press;

Fig. 2 is a schematic structural diagram of a dual-opening vacuum lamination automatic feeding all-in-one machine according to embodiment 1 of the present utility model;

fig. 3 is a schematic structural diagram of an upper and lower comb tooth mechanism in embodiment 1 of the present utility model;

fig. 4 is a schematic structural diagram of a follow-up paper peeling mechanism in embodiment 1 of the present utility model;

fig. 5 is a schematic structural diagram of a suction plate feeding mechanism in embodiment 1 of the present utility model;

FIG. 6 is a schematic diagram of the overall arrangement of the material receiving bin, the partition plate feeding structure, the first material taking mechanism, the material feeding tray mechanism and the second material taking mechanism in embodiment 1 of the present utility model;

FIG. 7 is a schematic structural view of a feeding tray mechanism in embodiment 1 of the present utility model;

FIG. 8 is a schematic view of the structure of the extracting mechanism in embodiment 1 of the present utility model;

FIG. 9 is a schematic diagram of a conventional vacuum press;

fig. 10 is a schematic structural diagram of a vacuum pressing machine according to embodiment 2 of the present utility model;

FIG. 11 is a schematic structural view of an upper air bag panel assembly of a vacuum lamination machine according to embodiment 2 of the present utility model;

fig. 12 is a schematic structural view of a lower vacuum plate assembly of the vacuum press in embodiment 2 of the present utility model;

Fig. 13 is a schematic process flow diagram of embodiment 3 of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Example 1

The embodiment of the utility model provides a double-opening vacuum lamination integrated machine, which is shown in fig. 2, and comprises a rack, wherein the rack comprises a front-end material collecting and discharging rack 6 and a rear-end lamination rack 7; two automatic material collecting and discharging mechanisms are arranged on the front-end material collecting and discharging rack 6 side by side: a first automatic material collecting and discharging mechanism 19 and a second automatic material collecting and discharging mechanism 21; two vacuum lamination machines are arranged side by side on the rear end lamination frame 7: a first vacuum press 18 and a second vacuum press 20; the working area of the frame is divided into two areas, the first vacuum pressing machine 18 and the first automatic material collecting and discharging mechanism 19 are working areas, and the second vacuum pressing machine 20 and the second automatic material collecting and discharging mechanism 21 are working areas;

the first automatic winding and unwinding mechanism 19 comprises a first unreeling mechanism 30, a first reeling mechanism 31, a first follow-up paper stripping mechanism, a baffle feeding mechanism 27 and a first material taking mechanism (not shown); the second automatic material collecting and discharging mechanism 21 comprises a second unreeling mechanism 28, a second reeling mechanism 29, a second follow-up paper stripping mechanism, a feeding disc mechanism 24 and a second material taking mechanism 25; the first automatic material collecting and discharging mechanism 19 and the second automatic material collecting and discharging mechanism 21 further comprise a shared suction plate feeding mechanism 22 and a material collecting bin 23, and the suction plate feeding mechanism 22 and the material collecting bin 23 can move left and right in two working areas to switch working positions;

The partition plate feeding mechanism 27 in the first area and the feeding disc mechanism 24 in the second area are arranged on the front end collecting and discharging rack side by side, the feeding disc mechanism 24 supplies FPC boards to be pressed for the suction plate feeding mechanism 22, the partition plate feeding mechanism 27 supplies partition plates for the suction plate feeding mechanism 31, and the partition plates are used for being placed between upper and lower products in a collecting bin to prevent abrasion; the material receiving bin 23 is arranged above the partition plate feeding mechanism 27 and the material loading disc mechanism 24 in a manner of being capable of moving left and right; the first material taking mechanism and the second material taking mechanism 25 are symmetrically arranged on the left side and the right side of the front end material collecting and discharging rack 6 above the material collecting bin 23; a suction plate feeding mechanism 22 is arranged above the first material taking mechanism and the second material taking mechanism 25 in a left-right movable manner, a first follow-up paper stripping mechanism and a second follow-up paper stripping mechanism are arranged at the rear end of the suction plate feeding mechanism 22, and the first follow-up paper stripping mechanism and the second follow-up paper stripping mechanism are respectively arranged close to the openings of the pressing cavities of the first vacuum pressing machine 18 and the second vacuum pressing machine 20; the first unreeling mechanism 30, the first reeling mechanism 31, the second unreeling mechanism 28 and the second reeling mechanism 29 are respectively arranged at the upper end and the lower end of the front-end unreeling rack 6.

The automatic material collecting and discharging mechanism in the embodiment of the utility model is based on the prior application patent CN115520687A, the paper pressing mechanism is omitted, the paper stripping mechanism is changed into the follow-up paper stripping mechanism, only the improvement and adjustment parts of each mechanism in the automatic material collecting and discharging mechanism in the embodiment are described in detail, and other specific structural arrangements are only briefly described and are not repeated in detail.

The unreeling mechanism and the reeling mechanism of the first area and the second area have the same structure. The unreeling mechanism comprises a unreeling module and an upper comb tooth mechanism, and the upper comb tooth mechanism is arranged opposite to the unreeling film paper; the winding mechanism mainly comprises a material receiving module and a lower comb tooth mechanism, and the lower comb tooth mechanism is arranged opposite to the material receiving module; the film paper extends from the discharging module to sequentially pass through the upper comb tooth mechanism, the follow-up paper stripping mechanism and the lower comb tooth mechanism to reach the receiving module for receiving and discharging the film paper.

As shown in fig. 3, the upper comb tooth mechanism and the lower comb tooth mechanism comprise a fixed grid 11, a movable grid 10, a bracket 9 and a power mechanism 8; the fixed grid 11 and the power mechanism 8 are fixedly connected with the bracket 9; the power mechanism 8 adopts a servo motor which is fixedly arranged at the middle end side of the bracket 9 and is in driving connection with the movable grid 10 through a ball screw; the movable grids 10 and the fixed grids 11 are distributed at intervals, the movable grids 10 are driven by the power mechanism 8 to move to realize staggered arrangement of a plurality of shafts, and the collection of surplus paper is realized through the intersection of the plurality of shafts, so that the influence of the surplus paper on material collection is reduced, and the processing efficiency of loading and unloading is improved; meanwhile, the moving position of the movable grid 10 can be precisely controlled by matching the servo motor with the ball screw, so that the length of the film drawing paper can be precisely controlled.

In other embodiments, as a further improvement, the peripheral cover of the ball screw is further provided with a dust cover, so as to avoid affecting the stability of the ball screw transmission operation due to dust accumulation during long-term operation.

The material receiving module and the material discharging module in the first area and the second area respectively comprise a rotating shaft for receiving and discharging film paper and a stepping motor for driving the rotating shaft to rotate, the rotating shaft adopts an air expansion shaft, and the air expansion shaft can conveniently assemble and disassemble the film paper winding drum.

The follow-up paper stripping mechanisms in the first area and the second area have the same structure, as shown in fig. 4, the follow-up paper stripping mechanism comprises a follow-up mounting frame 12, an upper stripping mechanism 13, a lower stripping mechanism 14, a power module and a follow-up sliding rail 15; the follow-up sliding rail 15 is vertically arranged on the left side and the right side of the follow-up mounting frame 12, and the upper stripping mechanism 13 and the lower stripping mechanism 14 are sequentially arranged on the follow-up sliding rail 15; the power module comprises a first stepper motor 16 and two first drive cylinders 17.

The first stepper motor 16 is fixedly arranged on one side of the upper end of the follow-up mounting frame 12, and is in driving connection with the lower stripping mechanism 14 through ball screws positioned on two sides of the follow-up mounting frame 12; the two first driving cylinders 17 are respectively and fixedly arranged at the left and right sides of the upper end of the follow-up mounting frame 12, and are used for driving and connecting the left and right ends of the upper stripping mechanism 13, and the power module (the first stepping motor 16 and the two first driving cylinders 17) can respectively drive the upper stripping mechanism and the lower stripping mechanism to move up and down along the follow-up sliding rail 15. During feeding, the upper stripping mechanism 13 and the lower stripping mechanism 14 are relatively far away, so that the FPC board sucked by the suction board feeding mechanism pushes the film paper into the pressing cavity; when in lamination, the upper and lower stripping mechanisms realize synchronization with the opening and closing state of the vacuum lamination machine in a follow-up way, so that the hot-pressed film paper is prevented from generating allowance or adhesion, and the hot-pressing efficiency is improved.

The specific structure of the upper stripping mechanism and the lower stripping mechanism is the same as that of the prior application CN115520687A, and a stripping knife is arranged on one side of the upper stripping mechanism and the lower stripping mechanism, which is close to the vacuum lamination machine, and is far away from the film paper during feeding and lamination, so that the film paper can better pass through the upper stripping mechanism and the lower stripping mechanism to convey the film paper; when receiving materials, the stripping knife is close to the film paper, so that the purpose of stripping the film paper is realized.

As shown in fig. 5, the suction plate feeding mechanism 22 shared by the first zone and the second zone mainly comprises a suction plate mechanism 221 and a triaxial feeding mechanism; the triaxial feeding mechanism comprises a front-back moving module moving along a Y-direction sliding rail 222, a left-right moving module moving along an X-direction sliding rail 223 and an up-down lifting module moving along a Z-direction sliding rail 224; the back-and-forth movement module is in driving connection with the left-and-right movement module, the left-and-right movement module is in driving connection with the up-and-down lifting module, and the up-and-down lifting module is in driving connection with the suction plate mechanism 221, so that the suction plate mechanism 221 moves along X, Y, Z three axial directions.

The front-back moving module and the left-right moving module of the triaxial feeding mechanism are driven by a synchronous belt driven by a servo motor and a speed reducer, and the up-down lifting module drives a ball screw to drive by the servo motor.

The suction plate mechanism 221 moves back and forth along the Y-direction sliding rail 222 and moves up and down along the Z-direction sliding rail 224, so that the position movement requirement of the suction plate during material taking can be met, the suction plate mechanism 221 moves left and right along the X-direction sliding rail 223, position switching between one area and two areas can be realized, and particularly, when one working area performs pressing operation, the suction plate mechanism can be switched to the other working area to perform material taking and discharging operation, so that the two working areas share one suction plate mechanism for material feeding, the device structure is optimized, the cost of parts is saved, pressing waiting time is shortened, and the working efficiency is improved.

The structure arrangement of the material receiving bin 23 shared by the first area and the second area, the partition plate feeding mechanism 27 and the first material taking mechanism 26 of the first area, and the material feeding disc mechanism 24 and the second material taking mechanism 25 of the second area is shown in fig. 6. The material receiving bin 23 is driven by a stepping motor and a transmission belt and is connected to the front end material receiving and discharging rack 6 in a sliding manner, and is used for realizing left-right translation between two working areas; the separator feeding mechanism 27 and the feeding disc mechanism 24 have the same structure and comprise a feeding platform, and the feeding platform is arranged below the material receiving bin 23; the first material taking mechanism 26 and the second material taking mechanism 25 have the same structure and are symmetrically arranged above the material receiving bin 23.

Specifically, referring to fig. 7, the feeding tray mechanism 24 includes an FPC board feeding platform 243 for accommodating the FPC board 26, where the FPC board feeding platform 243 is lifted up and down by a second driving cylinder 241 and a guiding mechanism 242, so as to facilitate feeding to the suction plate feeding mechanism; similarly, the separator feeding mechanism 27 includes a separator feeding platform for accommodating the separator, and the separator feeding platform is lifted up and down through the second driving cylinder 241 and the guiding mechanism 242, so as to facilitate the separator to be supplied to the suction plate feeding mechanism.

In some other embodiments, as an improvement, a plurality of limiting baffles 244 are disposed around the FPC board feeding platform 243 and the spacer feeding platform, for enclosing the FPC board 26 placed on the FPC board feeding platform 243 and the spacer placed on the spacer feeding platform; the FPC board material loading platform 243 the up end both sides of baffle material loading platform all are provided with one section scale mark 245 about relative for supplementary manual work puts FPC board or baffle in the middle, and the suction plate feed mechanism of being convenient for accurately absorbs FPC board or baffle.

The first extracting mechanism 26 and the second extracting mechanism 25 have the same structure, and the second extracting mechanism 25 is described as an example. As shown in fig. 8, the second extracting mechanism 25 includes a movable extracting bracket 251, a horizontal connecting plate 254, and two separate jaw assemblies fixed to the horizontal connecting plate 254 at intervals; the bottom end of the movable material taking bracket 251 is fixed on the front material collecting and discharging rack 6, the upper end of the movable material taking bracket 251 is provided with a material taking transmission belt 253, the material taking transmission belt 253 is in driving connection with a second stepping motor 252 and is fixedly connected with one end of a horizontal connecting plate 254, and the second stepping motor 252 drives the material taking transmission belt 253 to drive the horizontal connecting plate 254 to move back and forth, so that the separation clamping jaw assembly on the horizontal connecting plate 254 moves back and forth to take and discharge materials.

The split jaw assembly includes an upper jaw 255 and a lower jaw 256; the bottom of the upper clamping jaw 255 is in driving connection with two clamping jaw driving air cylinders 257, and the clamping jaw driving air cylinders 257 are fixedly arranged on two sides of the lower clamping jaw 256 and are used for driving the upper clamping jaw 255 to lift up and down; a turnover cylinder 258 is arranged on one side of the horizontal connecting plate 254, and the turnover cylinder 258 drives the left and right lower clamping jaws 256 to turn up and down through a coupler and a turnover shaft 259; a photoelectric switch (not shown) is also provided on the horizontal connecting plate 254 for detecting whether the product reaches the take-out position.

The working process of the separating clamping jaw assembly is the same as that of the separating clamping jaw mechanism in the prior application CN115520687A, during material collection, the FPC board is withdrawn from the pressing station, the FPC board is thermally torn and peeled off from the upper film paper and the lower film paper under the action of the follow-up paper peeling mechanism, meanwhile, the lower clamping jaw 256 is upwards turned to a horizontal position under the driving of the turning driving cylinder 258, the product is jacked up from the bottom, when the photoelectric switch detects that the product completely reaches the material collection position, the upper clamping jaw 255 descends under the driving of the clamping jaw driving cylinder 257, clamps the product in cooperation with the lower clamping jaw 256 at the horizontal position, then moves to the material discharge position of the material collection bin 23 under the driving of the horizontal movement connecting plate 254, and then the lower clamping jaw 256 is downwards turned by 90 degrees under the driving of the turning driving cylinder 258, so that the product automatically falls into the material collection bin 23, and the material collection is orderly and high in yield.

The left and right separation clamping jaw assemblies are arranged at intervals, so that stable material taking and discharging can be ensured. Meanwhile, unlike the prior application CN115520687A in which the lower clamping jaw is driven to turn by a pen-shaped air cylinder, the utility model adopts the turning air cylinder 258 positioned at one side of the horizontal connecting plate 254, and the left and right lower clamping jaws are driven to turn up and down by the coupler and the turning shaft 259, so that the structure is more compact and optimized. According to the double-opening vacuum lamination automatic feeding all-in-one machine provided by the embodiment of the utility model, the two single-opening vacuum lamination automatic feeding all-in-one machines share one suction plate feeding mechanism and one receiving bin, and the shared suction plate feeding mechanism and receiving bin only need to be increased with one degree of freedom in left-right movement, so that the position switching of the suction plate feeding mechanism and the receiving bin in two working areas (a first area and a second area) is realized, the adopted parts are few, the occupied space is small, the structure of the whole device is more compact and optimized, the part cost is saved, and the use and maintenance are more convenient; simultaneously, two single opening vacuum pressfitting automatic feeding all-in-one share a suction plate feed mechanism and a receiving bin, the sharing suction plate feed mechanism and receiving bin can be smoothly switched in two working areas (one area and two areas), specifically can be when one of them working area carries out pressfitting operation, suction plate feed mechanism and receiving bin switch to another working area and carry out get material and receive material operation, show reduction pressfitting latency, further improved work efficiency.

According to the double-opening vacuum lamination automatic feeding all-in-one machine provided by the embodiment of the utility model, the two single-opening vacuum lamination automatic feeding all-in-one machines are integrated into the double-opening all-in-one machine, and share the suction plate feeding mechanism and the receiving bin, so that the integrated whole device is simpler in structure, more reasonable in arrangement, more space-saving and convenient to use and maintain; meanwhile, through setting up baffle feed mechanism, snatch the baffle and place between two upper and lower FPC boards that the pressfitting material was received by suction plate feed mechanism, can effectively avoid taking place friction damage between the FPC board after the pressfitting to guarantee to receive material quality, satisfy high-quality pressfitting technology demand.

Example 2

The first vacuum press 18 and the second vacuum press 19 in the embodiment of the present utility model have the same structure, and on the basis of the existing advance and retreat vacuum press 1-1 shown in fig. 9 (the specific structure thereof can be seen in patent document CN 2681526Y), the advance and retreat functions (the transmission mechanism, the advance and retreat guide rail, etc.) are cancelled, only the lifting function is remained, and each component of the upper and lower press templates is structurally integrated and optimized, so that when the improved vacuum press is matched with the automatic material collecting and discharging mechanism, the automatic material collecting and discharging mechanism does not need to remain the paper pressing mechanism, which is a component for advancing and retreating the pressed film paper together with the upper and lower press templates (see patent document CN115520687 a), thereby realizing the integration of press and automatic material loading and unloading, reducing the equipment operation time occupied by advance and retreat material taking and discharging of the press templates, improving the production efficiency, and being beneficial to the integral structure optimization of the device, saving the space and maintenance.

The specific structure of the vacuum lamination machine is shown in fig. 10-12. As shown in fig. 10, the vacuum press comprises a frame 1, wherein an upper press die plate 2, a lower press die plate 3 and a driving mechanism 5 are arranged in the frame 1; the top of the frame 1 is fixedly provided with the upper pressing template 2, the bottom is fixedly provided with the driving mechanism 5, the upper end of the driving mechanism 5 is in driving connection with the lower pressing template 3, and the lower pressing template 3 and the upper pressing template 2 are oppositely arranged in parallel.

The upper pressing template 2 comprises an upper heat insulation plate 201, an upper heating plate 202 and an upper air bag plate assembly 203 which are sequentially connected from top to bottom, wherein the upper end of the upper heat insulation plate 201 is fixedly connected to the top of the frame 1, and the upper air bag plate assembly 203 is externally connected with an inflating device; as shown in fig. 11, the upper bladder plate assembly 203 includes a bladder mounting plate 2031, a vacuum bladder 2032, and a bladder pressure frame 2033; the vacuum air bag 2032 is arranged at the bottom end of the air bag mounting plate 2031, the periphery of the bottom of the vacuum air bag 2032 is tightly pressed by the air bag pressing frame 2033 to realize peripheral sealing and fixing, and the air bag pressing frame 2033 and the air bag mounting plate 2031 are fixedly locked by bolts 2034.

For the advance and retreat type vacuum pressing machine before improvement (see patent document CN 2681526Y), because the upper pressing template and the lower pressing template are hinged, namely the aluminum plate and the lower vacuum plate are connected through a hinge, the vacuum air bag below the aluminum plate is an upper pressing end surface and is easy to damage, and the hinged aluminum plate and the lower vacuum plate are required to be detached and opened during maintenance and replacement to detach and replace the vacuum air bag, so that the disassembly and assembly operation are troublesome. The improved vacuum pressing machine has the advantages that the upper pressing template and the lower pressing template are arranged in parallel, opposite and separated, the operation space of the upper pressing template and the lower pressing template is large, and when the vacuum air bag is replaced, the air bag can be taken out and replaced only by detaching the air bag pressing frame from the lower end of the air bag mounting plate, so that the disassembly and maintenance are more convenient.

An inflation pipeline 2035 externally connected with an inflation device is arranged on one side of the air bag mounting plate 2031, a grid-shaped inflation groove 2036 is formed in the bottom surface of the air bag mounting plate 2031, and an inflation port of the inflation pipeline 2035 is communicated with the inflation groove 2036. When the vacuum air bag 2032 is inflated by the inflation device, the grid-shaped inflation grooves 2036 densely arranged on the bottom surface of the air bag mounting plate 2031 can guide air, so that the air pressure in the vacuum air bag is rapidly and uniformly distributed, and the purpose of inflation is efficiently achieved.

The lower pressing template 3 comprises a lower vacuum plate assembly 301, a lower heating plate 302 and a lower heat insulation plate 303 which are sequentially connected from top to bottom, wherein the lower end of the lower heat insulation plate 303 is fixedly connected to a support connecting plate 4 at the upper end of a driving mechanism 5 (such as an oil cylinder), and the lower vacuum plate assembly 301 is externally connected with a vacuum pumping device; as shown in fig. 12, the lower vacuum plate assembly 301 includes a carrier plate 3011, a vacuum jig plate 3012, and a baking iron plate 3013; the upper end of the carrier plate 3011 is provided with a concave platform, the concave platform is fixedly provided with a vacuum jig plate 3012, the upper end of the vacuum jig plate 3012 is provided with a baking iron plate 3013, and the upper end of the baking iron plate 3013 is used for placing products to be pressed.

An installation gap is reserved between the peripheries of the vacuum jig plate 3012 and the baking iron plate 3013 and the side wall of the concave platform of the carrier plate 3011, two vacuumizing pipelines 3014 externally connected with a vacuumizing device are arranged on one side of the vacuum jig plate 3012, a groined groove 3015 is arranged at the bottom end of the vacuum jig plate 3012, and the groined groove 3015 is respectively communicated with the two vacuumizing pipelines 3014 and the installation gap.

When the upper and lower pressing templates are pressed, a closed pressing cavity is formed between the upper airbag plate assembly 203 and the lower vacuum plate assembly 301, at this time, vacuum is pumped, and air in the pressing cavity enters the two vacuum pumping pipelines through the installation gap and the groined groove 3015, so that a vacuum pumping function is realized.

And a sealing groove and a sealing ring 3016 are arranged on the carrier plate 3011 near the periphery, and the sealing ring 3016 is used for ensuring the tightness of the pressing cavity and improving the vacuumizing effect.

The working process of the vacuum lamination machine is as follows: when the FPC board to be laminated pushes upper and lower film paper into the lower lamination template 3, the driving mechanism 5 drives the lower lamination template 3 to move upwards to be closed with the upper lamination template 2 to form a closed lamination cavity, then the upper heating plate and the lower heating plate are started to heat, and a vacuumizing device externally connected with the lower lamination template 3 is started to vacuumize; after the vacuumizing is completed, the air charging device externally connected with the upper pressing template 2 charges the vacuum air bag 2032, and the vacuum air bag 2032 starts to be pressed by inflation and expansion; after the press-fitting is completed, the driving mechanism 5 is lowered, the vacuum air bag 2032 is depressurized, and the press-fitted FPC board can be taken out.

According to the double-opening vacuum lamination automatic feeding all-in-one machine provided by the embodiment of the utility model, the original lamination template advancing and retreating functions are canceled by the two vacuum lamination machines, only the lifting function is reserved, the structure of the vacuum lamination machine is optimized (a transmission mechanism, an advancing and retreating guide rail and the like are omitted), the equipment operation time occupied by advancing and retreating the lamination template to take and discharge is shortened, the lamination process is faster and more efficient, and the working efficiency is improved.

Example 3

The embodiment of the utility model provides a loading and unloading process of a double-opening vacuum lamination automatic feeding integrated machine with a baffle plate function in embodiment 1 or 2, as shown in fig. 13, wherein the loading and unloading process specifically comprises the following steps:

Step S1: the upper winding and unwinding mechanisms synchronously move, and prestretch and press film paper with required length;

Step S2: the material receiving bin is horizontally moved to a second area, and the FPC board feeding platform in the first area is lifted to a set height; then, the triaxial feeding mechanism drives the suction plate mechanism to move to a region for sucking the FPC board, and a feeding platform of the FPC board in the sucked region falls to an initial position;

Step S3: the suction plate mechanism feeds the FPC board into a region pressing cavity, after feeding, the suction plate mechanism retreats and rises, a region FPC board feeding platform is lifted to a set height, the suction plate mechanism sucks the FPC board feeding platform of the next region falls to an initial position, and the material receiving bin translates to a region waiting for material receiving;

Step S4: the suction plate mechanism moves to the second area, pushes the FPC board sucked from the first area to the second area pressing cavity, retreats and rises after the FPC board is fed, the partition plate feeding platform of the second area is lifted to a set height, the suction plate mechanism sucks the partition plate to stay in the second area to wait for placing the partition plate, and the partition plate feeding platform falls to an initial position after the suction;

Step S5: after the lamination of the lamination cavity of the first area is finished, the die is opened, the separation clamping jaw mechanism of the first area advances to be matched with the follow-up paper stripping mechanism, the FPC board is placed in the receiving bin which is reserved in the first area, then the receiving bin is translated to the second area, the baffle plate which is sucked in advance is placed in the receiving bin by the suction plate mechanism, then the suction plate mechanism moves to the first area to suck the FPC board in the feeding platform of the FPC board, and the feeding platform of the FPC board of the second area is sucked to fall to the initial position;

Step S6: the FPC board is sent into the first-region pressing cavity by the board sucking mechanism, the board sucking mechanism ascends and moves to the second region after retreating, and the receiving bin translates to the first region; the partition plate feeding platform of the second area is lifted to a set height, the partition plate is sucked by the suction plate mechanism and then moves to the first area, the partition plate feeding platform falls to an initial position, at the moment, the material receiving bin is translated to the second area to wait for material receiving, and the FPC board feeding platform of the first area is lifted to the set height in advance;

Step S7: opening the die after the compression of the second-region compression cavity is finished, enabling the separation clamping jaw mechanism of the second region to advance and be matched with the follow-up paper stripping mechanism to put the FPC board into the receiving bin which is reserved in the second region, and then enabling the board sucking mechanism to move to the second region to put the partition board which is sucked in advance into the receiving bin;

Step S8: the suction plate mechanism translates to a zone and sucks the FPC board on the FPC board feeding platform in the zone, the FPC board feeding platform in the zone after sucking drops to the initial position, the suction plate mechanism moves to a second zone, and meanwhile, the material receiving bin positioned in the second zone moves to the first zone to wait for material receiving;

Step S9: the suction plate mechanism pushes the FPC board into the two-region pressing cavity, then the suction plate mechanism retreats and rises, the two-region separator feeding platform is lifted to a set height, the suction plate mechanism stays in the two regions after sucking the separator to wait for placing the separator, and the separator feeding platform falls to an initial position after sucking;

Step S10: and opening the die after finishing pressing the pressing cavity of one area, repeating the steps S5-S9, and circularly operating.

According to the double-opening vacuum lamination automatic feeding all-in-one machine provided by the embodiment of the utility model, the two automatic material collecting and discharging mechanisms share the left-right translation suction plate feeding mechanism and the left-right translation material collecting bin, the feeding and the baffle discharging of the two working areas are realized through the feeding disc mechanism and the baffle feeding mechanism, the two vacuum lamination machines cooperatively work, the waiting time of the parts in operation is reduced, and the equipment utilization rate and the work production efficiency can be remarkably improved.

The foregoing description is only exemplary of the utility model and is not intended to limit the utility model. Any modification, equivalent replacement, improvement, etc. made within the scope of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The double-opening vacuum lamination integrated machine is characterized by comprising a frame, wherein the frame comprises a front-end material collecting and discharging frame and a rear-end lamination frame; the front end material collecting and discharging frame is provided with a first automatic material collecting and discharging mechanism and a second automatic material collecting and discharging mechanism in parallel, and the rear end pressing frame is provided with a first vacuum pressing machine and a second vacuum pressing machine in parallel; the first vacuum pressing machine and the first automatic material collecting and discharging mechanism are working first areas, and the second vacuum pressing machine and the second automatic material collecting and discharging mechanism are working second areas;

The first automatic winding and unwinding mechanism comprises a first unreeling mechanism, a first reeling mechanism, a first follow-up paper stripping mechanism, a baffle feeding mechanism and a first material taking mechanism; the second automatic winding and unwinding mechanism comprises a second unreeling mechanism, a second reeling mechanism, a second follow-up paper stripping mechanism, a feeding disc mechanism and a second material taking mechanism; in addition, the automatic feeding device also comprises a shared suction plate feeding mechanism and a receiving bin, wherein the suction plate feeding mechanism and the receiving bin can move left and right in two working areas to switch working positions;

the partition plate feeding mechanism of the first area and the feeding disc mechanism of the second area are arranged on the front end collecting and discharging rack side by side; the material receiving bin is arranged above the partition plate feeding mechanism and the feeding disc mechanism in a left-right movable manner; a first material taking mechanism and a second material taking mechanism are symmetrically arranged on the left side and the right side of the front-end material collecting and discharging rack above the material collecting bin; a suction plate feeding mechanism is arranged above the first material taking mechanism and the second material taking mechanism in a left-right movable manner, a first follow-up paper stripping mechanism and a second follow-up paper stripping mechanism are arranged at the rear end of the suction plate feeding mechanism, and the first follow-up paper stripping mechanism and the second follow-up paper stripping mechanism are respectively close to the first vacuum press fit machine and the second vacuum press fit machine; the first unreeling mechanism, the first reeling mechanism, the second unreeling mechanism and the second reeling mechanism are evenly arranged at the upper end and the lower end of the front-end unreeling rack.

2. The double-opening vacuum lamination integrated machine according to claim 1, wherein the unreeling mechanism and the reeling mechanism of the first area and the second area are identical in structure;

The unreeling mechanism comprises a unreeling module and an upper comb tooth mechanism, and the upper comb tooth mechanism is arranged opposite to the unreeling film paper; the winding mechanism comprises a material receiving module and a lower comb tooth mechanism, and the lower comb tooth mechanism is arranged opposite to the material receiving module; the film paper extends from the discharging module to sequentially pass through the upper comb tooth mechanism, the follow-up paper stripping mechanism and the lower comb tooth mechanism to reach the receiving module, so as to realize the receiving and discharging of the film paper;

The upper comb tooth mechanism and the lower comb tooth mechanism comprise a fixed grid, a movable grid, a bracket and a power mechanism; the fixed grid and the power mechanism are fixedly connected with the bracket; the power mechanism adopts a stepping motor which is fixedly arranged at the middle end side of the bracket and is in driving connection with the movable grid through a ball screw; the movable grids and the fixed grids are distributed alternately, the movable grids are driven by the power mechanism to move so as to realize staggered arrangement of multiple shafts, and the collection of the surplus paper is realized through crossed multiple shafts.

3. The dual-opening vacuum lamination integrated machine according to claim 1, wherein the follow-up paper stripping mechanisms of the first area and the second area are identical in structure; the follow-up paper stripping mechanism comprises a follow-up mounting frame, an upper stripping mechanism, a lower stripping mechanism, a power module and a follow-up sliding rail;

the follow-up sliding rail is vertically arranged at the left side and the right side of the follow-up mounting frame, and the upper stripping mechanism and the lower stripping mechanism are sequentially arranged on the follow-up sliding rail;

The power module comprises a first stepping motor and two first driving cylinders; the first stepping motor is fixedly arranged on one side of the upper end of the follow-up mounting frame and is in driving connection with the lower stripping mechanism through ball screws positioned on two sides of the follow-up mounting frame; the two first driving cylinders are fixedly arranged on the left side and the right side of the upper end of the follow-up mounting frame respectively and used for driving and connecting the left end and the right end of the upper stripping mechanism.

4. The dual-opening vacuum lamination integrated machine according to claim 1, wherein the suction plate feeding mechanism shared by the first area and the second area comprises a suction plate mechanism and a triaxial feeding mechanism;

The triaxial feeding mechanism comprises a front-back moving module moving along a Y-direction sliding rail, a left-right moving module moving along an X-direction sliding rail and an up-down lifting module moving along a Z-direction sliding rail; the back-and-forth movement module is in driving connection with the left-and-right movement module, the left-and-right movement module is in driving connection with the up-and-down lifting module, and the up-and-down lifting module is in driving connection with the suction plate mechanism, so that the suction plate mechanism moves along X, Y, Z three axial directions.

5. The dual-opening vacuum lamination all-in-one machine according to claim 4, wherein the front-back moving module and the left-right moving module of the triaxial feeding mechanism are driven by a synchronous belt driven by a servo motor and a speed reducer, and the up-down lifting module is driven by a ball screw driven by the servo motor.

6. The double-opening vacuum lamination all-in-one machine according to claim 1, wherein the material receiving bin is driven by a stepping motor and a transmission belt and is slidingly connected to the front-end material receiving and discharging rack, so as to realize left-right translation between two working areas;

the structure of the partition plate feeding mechanism in the first area is the same as that of the feeding disc mechanism in the second area, and the partition plate feeding mechanism in the first area and the feeding disc mechanism in the second area respectively comprise a feeding platform, and the feeding platforms are arranged below the material receiving bin;

The first material taking mechanism in the first area and the second material taking mechanism in the second area are identical in structure and are symmetrically arranged above the material receiving bin.

7. The double-opening vacuum lamination integrated machine according to claim 6, wherein the feeding disc mechanism comprises an FPC board feeding platform, and the FPC board feeding platform is lifted up and down through a second driving cylinder and a guiding mechanism so as to feed to the suction plate feeding mechanism;

similarly, the baffle feeding mechanism comprises a baffle feeding platform, and the baffle feeding platform is lifted up and down through a second driving cylinder and a guiding mechanism so as to supply the baffle to the suction plate feeding mechanism.

8. The dual-opening vacuum lamination integrated machine according to claim 6, wherein the first and second take-off mechanisms are identical in structure and each comprise a movable take-off bracket, a horizontal connecting plate, and two separate jaw assemblies fixed on the horizontal connecting plate at intervals;

The bottom end of the movable material taking support is fixed on the front-end material collecting and discharging rack, the upper end of the movable material taking support is provided with a material taking driving belt, the material taking driving belt is in driving connection with a second stepping motor and is fixedly connected with one end of the horizontal connecting plate, the material taking driving belt is driven by the second stepping motor to drive the horizontal connecting plate to move back and forth, and therefore the separation clamping jaw assembly on the horizontal connecting plate moves back and forth to take and discharge materials.

9. The dual opening vacuum lamination machine of claim 8, wherein the split jaw assembly comprises an upper jaw and a lower jaw;

The bottom of the upper clamping jaw is in driving connection with two clamping jaw driving cylinders which are fixedly arranged on two sides of the lower clamping jaw and used for driving the upper clamping jaw to lift up and down;

A turnover cylinder is arranged on one side of the horizontal connecting plate, and the turnover cylinder drives a left lower clamping jaw and a right lower clamping jaw to turn up and down through a coupler and a turnover shaft;

and a photoelectric switch is arranged on the horizontal connecting plate and used for detecting whether the product reaches a material taking position.

10. The dual-opening vacuum lamination integrated machine according to any one of claims 1 to 9, wherein the first and second vacuum lamination integrated machines have the same structure and comprise a frame, and an upper lamination template, a lower lamination template and a driving mechanism are arranged in the frame; the top of the frame is fixedly provided with the upper pressing template, the bottom of the frame is fixedly provided with the driving mechanism, the upper end of the driving mechanism is in driving connection with the lower pressing template, and the lower pressing template and the upper pressing template are oppositely arranged in parallel;

the upper pressing template of the vacuum pressing machine comprises an upper heat insulation plate, an upper heating plate and an upper air bag plate assembly which are sequentially connected from top to bottom, and the upper air bag plate assembly is externally connected with an inflation device;

the lower pressing template of the vacuum pressing machine comprises a lower vacuum plate assembly, a lower heating plate and a lower heat insulation plate which are sequentially connected from top to bottom, and the lower vacuum plate assembly is externally connected with a vacuumizing device.